2170 lines
65 KiB
C++
2170 lines
65 KiB
C++
/* fhandler.h
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#pragma once
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#include "pinfo.h"
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#include "tty.h"
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/* fcntl flags used only internaly. */
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#define O_NOSYMLINK 0x080000
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#define O_DIROPEN 0x100000
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/* newlib used to define O_NDELAY differently from O_NONBLOCK. Now it
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properly defines both to be the same. Unfortunately, we have to
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behave properly the old version, too, to accommodate older executables. */
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#define OLD_O_NDELAY (CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK ? 4 : 0)
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/* Care for the old O_NDELAY flag. If one of the flags is set,
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both flags are set. */
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#define O_NONBLOCK_MASK (O_NONBLOCK | OLD_O_NDELAY)
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/* It appears that 64K is the block size used for buffered I/O on NT.
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Using this blocksize in read/write calls in the application results
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in a much better performance than using smaller values. */
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#define PREFERRED_IO_BLKSIZE ((blksize_t) 65536)
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/* It also appears that this may be the only acceptable block size for
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atomic writes to a pipe. It is a shame that we have to make this
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so small. http://cygwin.com/ml/cygwin/2011-03/msg00541.html */
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#define DEFAULT_PIPEBUFSIZE PREFERRED_IO_BLKSIZE
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/* Used for fhandler_pipe::create. Use an available flag which will
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never be used in Cygwin for this function. */
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#define PIPE_ADD_PID FILE_FLAG_FIRST_PIPE_INSTANCE
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extern const char *windows_device_names[];
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extern struct __cygwin_perfile *perfile_table;
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#define __fmode (*(user_data->fmode_ptr))
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extern const char proc[];
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extern const size_t proc_len;
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extern const char procsys[];
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extern const size_t procsys_len;
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class select_record;
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class select_stuff;
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class fhandler_disk_file;
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class inode_t;
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typedef struct __DIR DIR;
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struct dirent;
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struct iovec;
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struct __acl32;
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enum dirent_states
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{
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dirent_ok = 0x0000,
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dirent_saw_dot = 0x0001,
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dirent_saw_dot_dot = 0x0002,
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dirent_saw_eof = 0x0004,
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dirent_isroot = 0x0008,
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dirent_set_d_ino = 0x0010,
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dirent_get_d_ino = 0x0020,
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dirent_nfs_d_ino = 0x0040,
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/* Global flags which must not be deleted on rewinddir or seekdir. */
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dirent_info_mask = 0x0078
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};
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enum conn_state
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{
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unconnected = 0,
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connect_pending = 1,
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connected = 2,
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connect_failed = 3
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};
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enum line_edit_status
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{
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line_edit_ok = 0,
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line_edit_input_done = 1,
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line_edit_signalled = 2,
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line_edit_error = 3,
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line_edit_pipe_full = 4
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};
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enum bg_check_types
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{
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bg_error = -1,
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bg_eof = 0,
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bg_ok = 1,
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bg_signalled = 2
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};
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enum query_state {
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no_query = 0,
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query_read_control = 1,
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query_read_attributes = 2,
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query_write_control = 3,
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query_write_dac = 4,
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query_write_attributes = 5
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};
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enum del_lock_called_from {
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on_close,
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after_fork,
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after_exec
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};
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enum virtual_ftype_t {
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virt_blk = -7, /* Block special */
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virt_chr = -6, /* Character special */
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virt_fsfile = -5, /* FS-based file via /proc/sys */
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virt_socket = -4, /* Socket */
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virt_pipe = -3, /* Pipe */
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virt_symlink = -2, /* Symlink */
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virt_file = -1, /* Regular file */
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virt_none = 0, /* Invalid, Error */
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virt_directory = 1, /* Directory */
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virt_rootdir = 2, /* Root directory of virtual FS */
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virt_fsdir = 3, /* FS-based directory via /proc/sys */
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};
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class fhandler_base
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{
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friend class dtable;
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friend void close_all_files (bool);
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struct status_flags
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{
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unsigned rbinary : 1; /* binary read mode */
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unsigned rbinset : 1; /* binary read mode explicitly set */
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unsigned wbinary : 1; /* binary write mode */
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unsigned wbinset : 1; /* binary write mode explicitly set */
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unsigned nohandle : 1; /* No handle associated with fhandler. */
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unsigned did_lseek : 1; /* set when lseek is called as a flag that
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_write should check if we've moved
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beyond EOF, zero filling or making
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file sparse if so. */
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unsigned query_open : 3; /* open file without requesting either
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read or write access */
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unsigned close_on_exec : 1; /* close-on-exec */
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unsigned need_fork_fixup : 1; /* Set if need to fixup after fork. */
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unsigned isclosed : 1; /* Set when fhandler is closed. */
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public:
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status_flags () :
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rbinary (0), rbinset (0), wbinary (0), wbinset (0), nohandle (0),
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did_lseek (0), query_open (no_query), close_on_exec (0),
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need_fork_fixup (0), isclosed (0)
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{}
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} status, open_status;
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private:
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ACCESS_MASK access;
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ULONG options;
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HANDLE io_handle;
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__ino64_t ino; /* file ID or hashed filename, depends on FS. */
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long _refcnt;
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protected:
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/* File open flags from open () and fcntl () calls */
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int openflags;
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char *rabuf; /* used for crlf conversion in text files */
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size_t ralen;
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size_t raixget;
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size_t raixput;
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size_t rabuflen;
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/* Used for advisory file locking. See flock.cc. */
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long long unique_id;
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void del_my_locks (del_lock_called_from);
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HANDLE read_state;
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public:
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long inc_refcnt () {return InterlockedIncrement (&_refcnt);}
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long dec_refcnt () {return InterlockedDecrement (&_refcnt);}
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class fhandler_base *archetype;
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int usecount;
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path_conv pc;
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void reset (const fhandler_base *);
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virtual bool use_archetype () const {return false;}
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virtual void set_name (path_conv &pc);
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virtual void set_name (const char *s)
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{
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pc.set_normalized_path (s);
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pc.set_path (s);
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}
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int error () const {return pc.error;}
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void set_error (int error) {pc.error = error;}
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bool exists () const {return pc.exists ();}
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int pc_binmode () const {return pc.binmode ();}
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device& dev () {return pc.dev;}
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operator DWORD& () {return (DWORD&) pc;}
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fhandler_base ();
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virtual ~fhandler_base ();
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/* Non-virtual simple accessor functions. */
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void set_io_handle (HANDLE x) { io_handle = x; }
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DWORD& get_device () { return dev (); }
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DWORD get_major () { return dev ().get_major (); }
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DWORD get_minor () { return dev ().get_minor (); }
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virtual int get_unit () { return dev ().get_minor (); }
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ACCESS_MASK get_access () const { return access; }
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void set_access (ACCESS_MASK x) { access = x; }
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ULONG get_options () const { return options; }
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void set_options (ULONG x) { options = x; }
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int get_flags () { return openflags; }
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void set_flags (int x, int supplied_bin = 0);
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bool is_nonblocking ();
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void set_nonblocking (int);
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bool wbinary () const { return status.wbinset ? status.wbinary : 1; }
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bool rbinary () const { return status.rbinset ? status.rbinary : 1; }
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void wbinary (bool b) {status.wbinary = b; status.wbinset = 1;}
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void rbinary (bool b) {status.rbinary = b; status.rbinset = 1;}
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void set_open_status () {open_status = status;}
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void reset_to_open_binmode ()
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{
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set_flags ((get_flags () & ~(O_TEXT | O_BINARY))
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| ((open_status.wbinary || open_status.rbinary)
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? O_BINARY : O_TEXT));
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}
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IMPLEMENT_STATUS_FLAG (bool, wbinset)
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IMPLEMENT_STATUS_FLAG (bool, rbinset)
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IMPLEMENT_STATUS_FLAG (bool, nohandle)
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IMPLEMENT_STATUS_FLAG (bool, did_lseek)
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IMPLEMENT_STATUS_FLAG (query_state, query_open)
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IMPLEMENT_STATUS_FLAG (bool, close_on_exec)
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IMPLEMENT_STATUS_FLAG (bool, need_fork_fixup)
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IMPLEMENT_STATUS_FLAG (bool, isclosed)
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int get_default_fmode (int flags);
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virtual void set_close_on_exec (bool val);
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LPSECURITY_ATTRIBUTES get_inheritance (bool all = 0)
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{
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if (all)
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return close_on_exec () ? &sec_all_nih : &sec_all;
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else
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return close_on_exec () ? &sec_none_nih : &sec_none;
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}
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virtual int fixup_before_fork_exec (DWORD) { return 0; }
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virtual void fixup_after_fork (HANDLE);
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virtual void fixup_after_exec ();
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void create_read_state (LONG n)
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{
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read_state = CreateSemaphore (&sec_none_nih, 0, n, NULL);
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ProtectHandle (read_state);
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}
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void signal_read_state (LONG n)
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{
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ReleaseSemaphore (read_state, n, NULL);
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}
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bool get_readahead_valid () { return raixget < ralen; }
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int puts_readahead (const char *s, size_t len = (size_t) -1);
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int put_readahead (char value);
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int get_readahead ();
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int peek_readahead (int queryput = 0);
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int eat_readahead (int n);
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void set_readahead_valid (int val, int ch = -1);
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int get_readahead_into_buffer (char *buf, size_t buflen);
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bool has_acls () const { return pc.has_acls (); }
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bool isremote () { return pc.isremote (); }
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bool has_attribute (DWORD x) const {return pc.has_attribute (x);}
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const char *get_name () const { return pc.normalized_path; }
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const char *get_win32_name () { return pc.get_win32 (); }
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__dev32_t get_dev () { return pc.fs_serial_number (); }
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__ino64_t get_ino () { return ino ?: ino = hash_path_name (0, pc.get_nt_native_path ()); }
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long long get_unique_id () const { return unique_id; }
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/* Returns name used for /proc/<pid>/fd in buf. */
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virtual char *get_proc_fd_name (char *buf);
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virtual void hclose (HANDLE h) {CloseHandle (h);}
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virtual void set_no_inheritance (HANDLE &, bool);
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/* fixup fd possibly non-inherited handles after fork */
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bool fork_fixup (HANDLE, HANDLE &, const char *);
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virtual bool need_fixup_before () const {return false;}
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int open_with_arch (int, mode_t = 0);
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virtual int open (int, mode_t);
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virtual void open_setup (int flags) { return; }
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int close_with_arch ();
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virtual int close ();
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virtual void cleanup () { return; }
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int _archetype_usecount (const char *fn, int ln, int n)
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{
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if (!archetype)
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return 0;
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archetype->usecount += n;
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if (strace.active ())
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strace.prntf (_STRACE_ALL, fn, "line %d: %s<%p> usecount + %d = %d", ln, get_name (), archetype, n, archetype->usecount);
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return archetype->usecount;
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}
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int open_fs (int, mode_t = 0);
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# define archetype_usecount(n) _archetype_usecount (__PRETTY_FUNCTION__, __LINE__, (n))
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int close_fs () { return fhandler_base::close (); }
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virtual int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
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void stat_fixup (struct __stat64 *buf) __attribute__ ((regparm (2)));
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int __stdcall fstat_fs (struct __stat64 *buf) __attribute__ ((regparm (2)));
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private:
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int __stdcall fstat_helper (struct __stat64 *buf,
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DWORD nNumberOfLinks)
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__attribute__ ((regparm (3)));
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int __stdcall fstat_by_nfs_ea (struct __stat64 *buf) __attribute__ ((regparm (2)));
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int __stdcall fstat_by_handle (struct __stat64 *buf) __attribute__ ((regparm (2)));
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int __stdcall fstat_by_name (struct __stat64 *buf) __attribute__ ((regparm (2)));
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public:
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virtual int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
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int utimens_fs (const struct timespec *) __attribute__ ((regparm (2)));
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virtual int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
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virtual int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
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virtual int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
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virtual ssize_t __stdcall fgetxattr (const char *, void *, size_t) __attribute__ ((regparm (3)));
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virtual int __stdcall fsetxattr (const char *, const void *, size_t, int) __attribute__ ((regparm (3)));
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virtual int __stdcall fadvise (_off64_t, _off64_t, int) __attribute__ ((regparm (3)));
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virtual int __stdcall ftruncate (_off64_t, bool) __attribute__ ((regparm (3)));
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virtual int __stdcall link (const char *) __attribute__ ((regparm (2)));
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virtual int __stdcall utimens (const struct timespec *) __attribute__ ((regparm (2)));
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virtual int __stdcall fsync () __attribute__ ((regparm (1)));
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virtual int ioctl (unsigned int cmd, void *);
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virtual int fcntl (int cmd, void *);
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virtual char const *ttyname () { return get_name (); }
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virtual void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
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virtual ssize_t __stdcall write (const void *ptr, size_t len);
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virtual ssize_t __stdcall readv (const struct iovec *, int iovcnt, ssize_t tot = -1);
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virtual ssize_t __stdcall writev (const struct iovec *, int iovcnt, ssize_t tot = -1);
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virtual ssize_t __stdcall pread (void *, size_t, _off64_t) __attribute__ ((regparm (3)));
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virtual ssize_t __stdcall pwrite (void *, size_t, _off64_t) __attribute__ ((regparm (3)));
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virtual _off64_t lseek (_off64_t offset, int whence);
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virtual int lock (int, struct __flock64 *);
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virtual int dup (fhandler_base *child, int flags);
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virtual int fpathconf (int);
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virtual HANDLE mmap (caddr_t *addr, size_t len, int prot,
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int flags, _off64_t off);
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virtual int munmap (HANDLE h, caddr_t addr, size_t len);
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virtual int msync (HANDLE h, caddr_t addr, size_t len, int flags);
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virtual bool fixup_mmap_after_fork (HANDLE h, int prot, int flags,
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_off64_t offset, DWORD size,
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void *address);
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void *operator new (size_t, void *p) __attribute__ ((nothrow)) {return p;}
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virtual int init (HANDLE, DWORD, mode_t);
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virtual int tcflush (int);
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virtual int tcsendbreak (int);
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virtual int tcdrain ();
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virtual int tcflow (int);
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virtual int tcsetattr (int a, const struct termios *t);
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virtual int tcgetattr (struct termios *t);
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virtual int tcsetpgrp (const pid_t pid);
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virtual int tcgetpgrp ();
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virtual pid_t tcgetsid ();
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virtual bool is_tty () const { return false; }
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virtual bool ispipe () const { return false; }
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virtual pid_t get_popen_pid () const {return 0;}
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virtual bool isdevice () const { return true; }
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virtual bool isfifo () const { return false; }
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virtual int ptsname_r (char *, size_t);
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virtual class fhandler_socket *is_socket () { return NULL; }
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virtual class fhandler_console *is_console () { return 0; }
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virtual int is_windows () {return 0; }
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virtual void __stdcall raw_read (void *ptr, size_t& ulen) __attribute__ ((regparm (3)));
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virtual ssize_t __stdcall raw_write (const void *ptr, size_t ulen) __attribute__ ((regparm (3)));
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/* Virtual accessor functions to hide the fact
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that some fd's have two handles. */
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virtual HANDLE& get_handle () { return io_handle; }
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virtual HANDLE& get_io_handle () { return io_handle; }
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virtual HANDLE& get_output_handle () { return io_handle; }
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virtual HANDLE get_stat_handle () { return pc.handle () ?: io_handle; }
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virtual bool hit_eof () {return false;}
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virtual select_record *select_read (select_stuff *);
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virtual select_record *select_write (select_stuff *);
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virtual select_record *select_except (select_stuff *);
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virtual const char *get_native_name ()
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{
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return dev ().native;
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}
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virtual bg_check_types bg_check (int) {return bg_ok;}
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void clear_readahead ()
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{
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raixput = raixget = ralen = rabuflen = 0;
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rabuf = NULL;
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}
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void operator delete (void *p) {cfree (p);}
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virtual void set_eof () {}
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virtual int mkdir (mode_t mode);
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virtual int rmdir ();
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virtual DIR *opendir (int fd) __attribute__ ((regparm (2)));
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virtual int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
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virtual long telldir (DIR *);
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virtual void seekdir (DIR *, long);
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virtual void rewinddir (DIR *);
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virtual int closedir (DIR *);
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bool is_auto_device () {return isdevice () && !dev ().isfs ();}
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bool is_fs_special () {return pc.is_fs_special ();}
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bool issymlink () {return pc.issymlink ();}
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bool device_access_denied (int) __attribute__ ((regparm (2)));
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int fhaccess (int flags, bool) __attribute__ ((regparm (3)));
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virtual bool __stdcall has_ongoing_io () __attribute__ ((regparm (1))) {return false;}
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fhandler_base (void *) {}
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virtual void copyto (fhandler_base *x)
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{
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x->pc.free_strings ();
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*reinterpret_cast<fhandler_base *> (x) = *this;
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x->reset (this);
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}
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virtual fhandler_base *clone (cygheap_types malloc_type = HEAP_FHANDLER)
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{
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void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_base));
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fhandler_base *fh = new (ptr) fhandler_base (ptr);
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copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
struct wsa_event
|
|
{
|
|
LONG serial_number;
|
|
long events;
|
|
int connect_errorcode;
|
|
pid_t owner;
|
|
};
|
|
|
|
class fhandler_socket: public fhandler_base
|
|
{
|
|
private:
|
|
int addr_family;
|
|
int type;
|
|
int connect_secret[4];
|
|
|
|
wsa_event *wsock_events;
|
|
HANDLE wsock_mtx;
|
|
HANDLE wsock_evt;
|
|
public:
|
|
bool init_events ();
|
|
int evaluate_events (const long event_mask, long &events, const bool erase);
|
|
const HANDLE wsock_event () const { return wsock_evt; }
|
|
const LONG serial_number () const { return wsock_events->serial_number; }
|
|
private:
|
|
int wait_for_events (const long event_mask, const DWORD flags);
|
|
void release_events ();
|
|
|
|
pid_t sec_pid;
|
|
__uid32_t sec_uid;
|
|
__gid32_t sec_gid;
|
|
pid_t sec_peer_pid;
|
|
__uid32_t sec_peer_uid;
|
|
__gid32_t sec_peer_gid;
|
|
void af_local_set_secret (char *);
|
|
void af_local_setblocking (bool &, bool &);
|
|
void af_local_unsetblocking (bool, bool);
|
|
void af_local_set_cred ();
|
|
void af_local_copy (fhandler_socket *);
|
|
bool af_local_recv_secret ();
|
|
bool af_local_send_secret ();
|
|
bool af_local_recv_cred ();
|
|
bool af_local_send_cred ();
|
|
int af_local_accept ();
|
|
public:
|
|
int af_local_connect ();
|
|
void af_local_set_sockpair_cred ();
|
|
|
|
private:
|
|
int _rmem;
|
|
int _wmem;
|
|
public:
|
|
int &rmem () { return _rmem; }
|
|
int &wmem () { return _wmem; }
|
|
void rmem (int nrmem) { _rmem = nrmem; }
|
|
void wmem (int nwmem) { _wmem = nwmem; }
|
|
|
|
private:
|
|
struct _WSAPROTOCOL_INFOW *prot_info_ptr;
|
|
public:
|
|
void init_fixup_before ();
|
|
bool need_fixup_before () const {return prot_info_ptr != NULL;}
|
|
|
|
private:
|
|
char *sun_path;
|
|
char *peer_sun_path;
|
|
struct status_flags
|
|
{
|
|
unsigned async_io : 1; /* async I/O */
|
|
unsigned saw_shutdown_read : 1; /* Socket saw a SHUT_RD */
|
|
unsigned saw_shutdown_write : 1; /* Socket saw a SHUT_WR */
|
|
unsigned saw_reuseaddr : 1; /* Socket saw SO_REUSEADDR call */
|
|
unsigned listener : 1; /* listen called */
|
|
unsigned connect_state : 2;
|
|
public:
|
|
status_flags () :
|
|
async_io (0), saw_shutdown_read (0), saw_shutdown_write (0),
|
|
listener (0), connect_state (unconnected)
|
|
{}
|
|
} status;
|
|
|
|
public:
|
|
fhandler_socket ();
|
|
~fhandler_socket ();
|
|
int get_socket () { return (int) get_handle(); }
|
|
fhandler_socket *is_socket () { return this; }
|
|
|
|
IMPLEMENT_STATUS_FLAG (bool, async_io)
|
|
IMPLEMENT_STATUS_FLAG (bool, saw_shutdown_read)
|
|
IMPLEMENT_STATUS_FLAG (bool, saw_shutdown_write)
|
|
IMPLEMENT_STATUS_FLAG (bool, saw_reuseaddr)
|
|
IMPLEMENT_STATUS_FLAG (bool, listener)
|
|
IMPLEMENT_STATUS_FLAG (conn_state, connect_state)
|
|
|
|
int bind (const struct sockaddr *name, int namelen);
|
|
int connect (const struct sockaddr *name, int namelen);
|
|
int listen (int backlog);
|
|
int accept4 (struct sockaddr *peer, int *len, int flags);
|
|
int getsockname (struct sockaddr *name, int *namelen);
|
|
int getpeername (struct sockaddr *name, int *namelen);
|
|
int getpeereid (pid_t *pid, __uid32_t *euid, __gid32_t *egid);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall readv (const struct iovec *, int iovcnt, ssize_t tot = -1);
|
|
inline ssize_t recv_internal (struct _WSAMSG *wsamsg, bool use_recvmsg) __attribute__ ((regparm (3)));
|
|
ssize_t recvfrom (void *ptr, size_t len, int flags,
|
|
struct sockaddr *from, int *fromlen);
|
|
ssize_t recvmsg (struct msghdr *msg, int flags);
|
|
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
ssize_t __stdcall writev (const struct iovec *, int iovcnt, ssize_t tot = -1);
|
|
inline ssize_t send_internal (struct _WSAMSG *wsamsg, int flags);
|
|
ssize_t sendto (const void *ptr, size_t len, int flags,
|
|
const struct sockaddr *to, int tolen);
|
|
ssize_t sendmsg (const struct msghdr *msg, int flags);
|
|
|
|
int ioctl (unsigned int cmd, void *);
|
|
int fcntl (int cmd, void *);
|
|
_off64_t lseek (_off64_t, int) { return 0; }
|
|
int shutdown (int how);
|
|
int close ();
|
|
void hclose (HANDLE) {close ();}
|
|
int dup (fhandler_base *child, int);
|
|
|
|
void set_close_on_exec (bool val);
|
|
int fixup_before_fork_exec (DWORD);
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec ();
|
|
char *get_proc_fd_name (char *buf);
|
|
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
void set_addr_family (int af) {addr_family = af;}
|
|
int get_addr_family () {return addr_family;}
|
|
void set_socket_type (int st) { type = st;}
|
|
int get_socket_type () {return type;}
|
|
void set_sun_path (const char *path);
|
|
char *get_sun_path () {return sun_path;}
|
|
void set_peer_sun_path (const char *path);
|
|
char *get_peer_sun_path () {return peer_sun_path;}
|
|
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
|
|
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
|
|
int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
|
|
int __stdcall link (const char *) __attribute__ ((regparm (2)));
|
|
|
|
fhandler_socket (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_socket *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_socket *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_socket));
|
|
fhandler_socket *fh = new (ptr) fhandler_socket (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_base_overlapped: public fhandler_base
|
|
{
|
|
static HANDLE asio_done;
|
|
static LONG asio_close_counter;
|
|
protected:
|
|
enum wait_return
|
|
{
|
|
overlapped_unknown = 0,
|
|
overlapped_success,
|
|
overlapped_nonblocking_no_data,
|
|
overlapped_nullread,
|
|
overlapped_error
|
|
};
|
|
bool io_pending;
|
|
OVERLAPPED io_status;
|
|
OVERLAPPED *overlapped;
|
|
size_t max_atomic_write;
|
|
public:
|
|
wait_return __stdcall wait_overlapped (bool, bool, DWORD *, bool, DWORD = 0) __attribute__ ((regparm (3)));
|
|
int __stdcall setup_overlapped () __attribute__ ((regparm (1)));
|
|
void __stdcall destroy_overlapped () __attribute__ ((regparm (1)));
|
|
virtual void __stdcall raw_read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
virtual ssize_t __stdcall raw_write (const void *ptr, size_t len) __attribute__ ((regparm (3)));
|
|
OVERLAPPED *&get_overlapped () {return overlapped;}
|
|
OVERLAPPED *get_overlapped_buffer () {return &io_status;}
|
|
void set_overlapped (OVERLAPPED *ov) {overlapped = ov;}
|
|
fhandler_base_overlapped (): io_pending (false), overlapped (NULL), max_atomic_write (0)
|
|
{
|
|
memset (&io_status, 0, sizeof io_status);
|
|
}
|
|
bool __stdcall has_ongoing_io () __attribute__ ((regparm (1)));
|
|
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec ();
|
|
|
|
int close ();
|
|
int dup (fhandler_base *child, int);
|
|
|
|
void check_later ();
|
|
static void flush_all_async_io () __attribute__ ((regparm (1)));;
|
|
|
|
fhandler_base_overlapped (void *) {}
|
|
|
|
virtual void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_base_overlapped *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
virtual fhandler_base_overlapped *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_base_overlapped));
|
|
fhandler_base_overlapped *fh = new (ptr) fhandler_base_overlapped (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
|
|
friend DWORD WINAPI flush_async_io (void *);
|
|
};
|
|
|
|
class fhandler_pipe: public fhandler_base_overlapped
|
|
{
|
|
private:
|
|
pid_t popen_pid;
|
|
public:
|
|
fhandler_pipe ();
|
|
|
|
|
|
bool ispipe() const { return true; }
|
|
|
|
void set_popen_pid (pid_t pid) {popen_pid = pid;}
|
|
pid_t get_popen_pid () const {return popen_pid;}
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
char *get_proc_fd_name (char *buf);
|
|
int open (int flags, mode_t mode = 0);
|
|
int dup (fhandler_base *child, int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fadvise (_off64_t, _off64_t, int) __attribute__ ((regparm (3)));
|
|
int __stdcall ftruncate (_off64_t, bool) __attribute__ ((regparm (3)));
|
|
int init (HANDLE, DWORD, mode_t);
|
|
static int create (fhandler_pipe *[2], unsigned, int);
|
|
static DWORD create (LPSECURITY_ATTRIBUTES, HANDLE *, HANDLE *, DWORD,
|
|
const char *, DWORD);
|
|
fhandler_pipe (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_pipe *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_pipe *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_pipe));
|
|
fhandler_pipe *fh = new (ptr) fhandler_pipe (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_fifo: public fhandler_base_overlapped
|
|
{
|
|
HANDLE read_ready;
|
|
HANDLE write_ready;
|
|
bool wait (HANDLE) __attribute__ ((regparm (2)));
|
|
char *fifo_name (char *, const char *) __attribute__ ((regparm (2)));
|
|
public:
|
|
fhandler_fifo ();
|
|
int open (int, mode_t);
|
|
int close ();
|
|
int dup (fhandler_base *child, int);
|
|
bool isfifo () const { return true; }
|
|
void set_close_on_exec (bool val);
|
|
void __stdcall raw_read (void *ptr, size_t& ulen) __attribute__ ((regparm (3)));
|
|
bool arm (HANDLE h);
|
|
void fixup_after_fork (HANDLE);
|
|
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
|
|
fhandler_fifo (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_fifo *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_fifo *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_fifo));
|
|
fhandler_fifo *fh = new (ptr) fhandler_fifo (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_mailslot : public fhandler_base_overlapped
|
|
{
|
|
POBJECT_ATTRIBUTES get_object_attr (OBJECT_ATTRIBUTES &, PUNICODE_STRING, int);
|
|
public:
|
|
fhandler_mailslot ();
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int open (int flags, mode_t mode = 0);
|
|
ssize_t __stdcall raw_write (const void *, size_t) __attribute__ ((regparm (3)));
|
|
int ioctl (unsigned int cmd, void *);
|
|
select_record *select_read (select_stuff *);
|
|
|
|
fhandler_mailslot (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_mailslot *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_mailslot *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_mailslot));
|
|
fhandler_mailslot *fh = new (ptr) fhandler_mailslot (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_raw: public fhandler_base
|
|
{
|
|
protected:
|
|
char *devbufalloc;
|
|
char *devbuf;
|
|
size_t devbufalign;
|
|
size_t devbufsiz;
|
|
size_t devbufstart;
|
|
size_t devbufend;
|
|
struct status_flags
|
|
{
|
|
unsigned lastblk_to_read : 1;
|
|
public:
|
|
status_flags () : lastblk_to_read (0) {}
|
|
} status;
|
|
|
|
IMPLEMENT_STATUS_FLAG (bool, lastblk_to_read)
|
|
|
|
fhandler_dev_raw ();
|
|
|
|
public:
|
|
~fhandler_dev_raw ();
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
|
|
int dup (fhandler_base *child, int);
|
|
int ioctl (unsigned int cmd, void *buf);
|
|
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec ();
|
|
|
|
fhandler_dev_raw (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_raw *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_raw *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_raw));
|
|
fhandler_dev_raw *fh = new (ptr) fhandler_dev_raw (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
#define MAX_PARTITIONS 15
|
|
|
|
struct part_t
|
|
{
|
|
LONG refcnt;
|
|
HANDLE hdl[MAX_PARTITIONS];
|
|
};
|
|
|
|
class fhandler_dev_floppy: public fhandler_dev_raw
|
|
{
|
|
private:
|
|
_off64_t drive_size;
|
|
part_t *partitions;
|
|
struct status_flags
|
|
{
|
|
unsigned eom_detected : 1;
|
|
public:
|
|
status_flags () : eom_detected (0) {}
|
|
} status;
|
|
|
|
IMPLEMENT_STATUS_FLAG (bool, eom_detected)
|
|
|
|
inline _off64_t get_current_position ();
|
|
int get_drive_info (struct hd_geometry *geo);
|
|
|
|
int lock_partition (DWORD to_write);
|
|
|
|
BOOL write_file (const void *buf, DWORD to_write, DWORD *written, int *err);
|
|
BOOL read_file (void *buf, DWORD to_read, DWORD *read, int *err);
|
|
|
|
public:
|
|
fhandler_dev_floppy ();
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int close ();
|
|
int dup (fhandler_base *child, int);
|
|
void __stdcall raw_read (void *ptr, size_t& ulen) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall raw_write (const void *ptr, size_t ulen) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
int ioctl (unsigned int cmd, void *buf);
|
|
|
|
fhandler_dev_floppy (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_floppy *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_floppy *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_floppy));
|
|
fhandler_dev_floppy *fh = new (ptr) fhandler_dev_floppy (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_tape: public fhandler_dev_raw
|
|
{
|
|
HANDLE mt_mtx;
|
|
HANDLE mt_evt;
|
|
|
|
bool is_rewind_device () { return get_minor () < 128; }
|
|
unsigned int driveno () { return (unsigned int) get_minor () & 0x7f; }
|
|
void drive_init ();
|
|
|
|
inline bool _lock (bool);
|
|
inline int unlock (int ret = 0);
|
|
|
|
public:
|
|
fhandler_dev_tape ();
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
virtual int close ();
|
|
|
|
void __stdcall raw_read (void *ptr, size_t& ulen) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall raw_write (const void *ptr, size_t ulen) __attribute__ ((regparm (3)));
|
|
|
|
virtual _off64_t lseek (_off64_t offset, int whence);
|
|
|
|
virtual int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
|
|
virtual int dup (fhandler_base *child, int);
|
|
virtual void fixup_after_fork (HANDLE parent);
|
|
virtual void set_close_on_exec (bool val);
|
|
virtual int ioctl (unsigned int cmd, void *buf);
|
|
|
|
fhandler_dev_tape (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_tape *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_tape *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_tape));
|
|
fhandler_dev_tape *fh = new (ptr) fhandler_dev_tape (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
/* Standard disk file */
|
|
|
|
class fhandler_disk_file: public fhandler_base
|
|
{
|
|
HANDLE prw_handle;
|
|
int readdir_helper (DIR *, dirent *, DWORD, DWORD, PUNICODE_STRING fname) __attribute__ ((regparm (3)));
|
|
|
|
int prw_open (bool);
|
|
|
|
public:
|
|
fhandler_disk_file ();
|
|
fhandler_disk_file (path_conv &pc);
|
|
|
|
int open (int flags, mode_t mode);
|
|
int close ();
|
|
int dup (fhandler_base *child, int);
|
|
void fixup_after_fork (HANDLE parent);
|
|
int lock (int, struct __flock64 *);
|
|
bool isdevice () const { return false; }
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
|
|
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
|
|
int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall fgetxattr (const char *, void *, size_t) __attribute__ ((regparm (3)));
|
|
int __stdcall fsetxattr (const char *, const void *, size_t, int) __attribute__ ((regparm (3)));
|
|
int __stdcall fadvise (_off64_t, _off64_t, int) __attribute__ ((regparm (3)));
|
|
int __stdcall ftruncate (_off64_t, bool) __attribute__ ((regparm (3)));
|
|
int __stdcall link (const char *) __attribute__ ((regparm (2)));
|
|
int __stdcall utimens (const struct timespec *) __attribute__ ((regparm (2)));
|
|
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
|
|
|
|
HANDLE mmap (caddr_t *addr, size_t len, int prot, int flags, _off64_t off);
|
|
int munmap (HANDLE h, caddr_t addr, size_t len);
|
|
int msync (HANDLE h, caddr_t addr, size_t len, int flags);
|
|
bool fixup_mmap_after_fork (HANDLE h, int prot, int flags,
|
|
_off64_t offset, DWORD size, void *address);
|
|
int mkdir (mode_t mode);
|
|
int rmdir ();
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
long telldir (DIR *);
|
|
void seekdir (DIR *, long);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
|
|
ssize_t __stdcall pread (void *, size_t, _off64_t) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall pwrite (void *, size_t, _off64_t) __attribute__ ((regparm (3)));
|
|
|
|
fhandler_disk_file (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_disk_file *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_disk_file *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_disk_file));
|
|
fhandler_disk_file *fh = new (ptr) fhandler_disk_file (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev: public fhandler_disk_file
|
|
{
|
|
const struct device *devidx;
|
|
bool dir_exists;
|
|
public:
|
|
fhandler_dev ();
|
|
int open (int flags, mode_t mode);
|
|
int close ();
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
void rewinddir (DIR *);
|
|
|
|
fhandler_dev (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev));
|
|
fhandler_dev *fh = new (ptr) fhandler_dev (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_cygdrive: public fhandler_disk_file
|
|
{
|
|
enum
|
|
{
|
|
DRVSZ = sizeof ("x:\\")
|
|
};
|
|
int ndrives;
|
|
const char *pdrive;
|
|
char pdrive_buf[1 + (2 * 26 * DRVSZ)];
|
|
void set_drives ();
|
|
public:
|
|
fhandler_cygdrive ();
|
|
int open (int flags, mode_t mode);
|
|
int close ();
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
|
|
|
|
fhandler_cygdrive (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_cygdrive *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_cygdrive *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_cygdrive));
|
|
fhandler_cygdrive *fh = new (ptr) fhandler_cygdrive (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_serial: public fhandler_base
|
|
{
|
|
private:
|
|
size_t vmin_; /* from termios */
|
|
unsigned int vtime_; /* from termios */
|
|
pid_t pgrp_;
|
|
int rts; /* for Windows 9x purposes only */
|
|
int dtr; /* for Windows 9x purposes only */
|
|
|
|
public:
|
|
int overlapped_armed;
|
|
OVERLAPPED io_status;
|
|
DWORD ev;
|
|
|
|
/* Constructor */
|
|
fhandler_serial ();
|
|
|
|
int open (int flags, mode_t mode);
|
|
int close ();
|
|
int init (HANDLE h, DWORD a, mode_t flags);
|
|
void overlapped_setup ();
|
|
int dup (fhandler_base *child, int);
|
|
void __stdcall raw_read (void *ptr, size_t& ulen) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall raw_write (const void *ptr, size_t ulen) __attribute__ ((regparm (3)));
|
|
int tcsendbreak (int);
|
|
int tcdrain ();
|
|
int tcflow (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
int switch_modem_lines (int set, int clr);
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
_off64_t lseek (_off64_t, int) { return 0; }
|
|
int tcflush (int);
|
|
bool is_tty () const { return true; }
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec ();
|
|
|
|
/* We maintain a pgrp so that tcsetpgrp and tcgetpgrp work, but we
|
|
don't use it for permissions checking. fhandler_pty_slave does
|
|
permission checking on pgrps. */
|
|
virtual int tcgetpgrp () { return pgrp_; }
|
|
virtual int tcsetpgrp (const pid_t pid) { pgrp_ = pid; return 0; }
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
|
|
fhandler_serial (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_serial *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_serial *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_serial));
|
|
fhandler_serial *fh = new (ptr) fhandler_serial (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
#define acquire_output_mutex(ms) \
|
|
__acquire_output_mutex (__PRETTY_FUNCTION__, __LINE__, ms)
|
|
|
|
#define release_output_mutex() \
|
|
__release_output_mutex (__PRETTY_FUNCTION__, __LINE__)
|
|
|
|
class tty;
|
|
class tty_min;
|
|
class fhandler_termios: public fhandler_base
|
|
{
|
|
private:
|
|
HANDLE output_handle;
|
|
protected:
|
|
virtual void doecho (const void *, DWORD) {};
|
|
virtual int accept_input () {return 1;};
|
|
int ioctl (int, void *);
|
|
tty_min *_tc;
|
|
tty *get_ttyp () {return (tty *) tc ();}
|
|
public:
|
|
tty_min*& tc () {return _tc;}
|
|
fhandler_termios () :
|
|
fhandler_base ()
|
|
{
|
|
need_fork_fixup (true);
|
|
}
|
|
HANDLE& get_output_handle () { return output_handle; }
|
|
line_edit_status line_edit (const char *rptr, int nread, termios&);
|
|
void set_output_handle (HANDLE h) { output_handle = h; }
|
|
void tcinit (bool force);
|
|
bool is_tty () const { return true; }
|
|
void sigflush ();
|
|
int tcgetpgrp ();
|
|
int tcsetpgrp (int pid);
|
|
bg_check_types bg_check (int sig);
|
|
virtual DWORD __acquire_output_mutex (const char *fn, int ln, DWORD ms) {return 1;}
|
|
virtual void __release_output_mutex (const char *fn, int ln) {}
|
|
void echo_erase (int force = 0);
|
|
virtual _off64_t lseek (_off64_t, int);
|
|
pid_t tcgetsid ();
|
|
|
|
fhandler_termios (void *) {}
|
|
|
|
virtual void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_termios *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
virtual fhandler_termios *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_termios));
|
|
fhandler_termios *fh = new (ptr) fhandler_termios (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
enum ansi_intensity
|
|
{
|
|
INTENSITY_INVISIBLE,
|
|
INTENSITY_DIM,
|
|
INTENSITY_NORMAL,
|
|
INTENSITY_BOLD
|
|
};
|
|
|
|
#define normal 0
|
|
#define gotesc 1
|
|
#define gotsquare 2
|
|
#define gotarg1 3
|
|
#define gotrsquare 4
|
|
#define gotcommand 5
|
|
#define gettitle 6
|
|
#define eattitle 7
|
|
#define gotparen 8
|
|
#define gotrparen 9
|
|
#define MAXARGS 10
|
|
|
|
class dev_console
|
|
{
|
|
WORD default_color, underline_color, dim_color;
|
|
|
|
/* Used to determine if an input keystroke should be modified with META. */
|
|
int meta_mask;
|
|
|
|
/* Output state */
|
|
int state_;
|
|
int args_[MAXARGS];
|
|
int nargs_;
|
|
unsigned rarg;
|
|
bool saw_question_mark;
|
|
bool saw_greater_than_sign;
|
|
bool saw_space;
|
|
bool vt100_graphics_mode_G0;
|
|
bool vt100_graphics_mode_G1;
|
|
bool iso_2022_G1;
|
|
bool alternate_charset_active;
|
|
bool metabit;
|
|
char backspace_keycode;
|
|
|
|
char my_title_buf [TITLESIZE + 1];
|
|
|
|
WORD current_win32_attr;
|
|
ansi_intensity intensity;
|
|
bool underline, blink, reverse;
|
|
WORD fg, bg;
|
|
|
|
/* saved cursor coordinates */
|
|
int savex, savey;
|
|
|
|
/* saved screen */
|
|
COORD savebufsiz;
|
|
PCHAR_INFO savebuf;
|
|
|
|
struct
|
|
{
|
|
short Top, Bottom;
|
|
} scroll_region;
|
|
struct
|
|
{
|
|
SHORT winTop;
|
|
SHORT winBottom;
|
|
COORD dwWinSize;
|
|
COORD dwBufferSize;
|
|
COORD dwCursorPosition;
|
|
WORD wAttributes;
|
|
} info;
|
|
|
|
COORD dwLastCursorPosition;
|
|
COORD dwMousePosition; /* scroll-adjusted coord of mouse event */
|
|
COORD dwLastMousePosition; /* scroll-adjusted coord of previous mouse event */
|
|
DWORD dwLastButtonState; /* (not noting mouse wheel events) */
|
|
int last_button_code; /* transformed mouse report button code */
|
|
int nModifiers;
|
|
|
|
bool insert_mode;
|
|
int use_mouse;
|
|
bool ext_mouse_mode5;
|
|
bool ext_mouse_mode6;
|
|
bool ext_mouse_mode15;
|
|
bool use_focus;
|
|
bool raw_win32_keyboard_mode;
|
|
|
|
inline UINT get_console_cp ();
|
|
DWORD con_to_str (char *d, int dlen, WCHAR w);
|
|
DWORD str_to_con (mbtowc_p, const char *, PWCHAR d, const char *s, DWORD sz);
|
|
void set_color (HANDLE);
|
|
bool fillin_info (HANDLE);
|
|
void set_default_attr ();
|
|
|
|
friend class fhandler_console;
|
|
};
|
|
|
|
/* This is a input and output console handle */
|
|
class fhandler_console: public fhandler_termios
|
|
{
|
|
public:
|
|
struct console_state
|
|
{
|
|
tty_min tty_min_state;
|
|
dev_console dev_state;
|
|
};
|
|
private:
|
|
static const unsigned MAX_WRITE_CHARS;
|
|
static console_state *shared_console_info;
|
|
static bool invisible_console;
|
|
|
|
/* Used when we encounter a truncated multi-byte sequence. The
|
|
lead bytes are stored here and revisited in the next write call. */
|
|
struct {
|
|
int len;
|
|
unsigned char buf[4]; /* Max len of valid UTF-8 sequence. */
|
|
} trunc_buf;
|
|
PWCHAR write_buf;
|
|
|
|
/* Output calls */
|
|
void set_default_attr ();
|
|
|
|
void clear_screen (int, int, int, int);
|
|
void scroll_screen (int, int, int, int, int, int);
|
|
void cursor_set (bool, int, int);
|
|
void cursor_get (int *, int *);
|
|
void cursor_rel (int, int);
|
|
inline void write_replacement_char ();
|
|
inline bool write_console (PWCHAR, DWORD, DWORD&);
|
|
const unsigned char *write_normal (unsigned const char*, unsigned const char *);
|
|
void char_command (char);
|
|
bool set_raw_win32_keyboard_mode (bool);
|
|
int output_tcsetattr (int a, const struct termios *t);
|
|
|
|
/* Input calls */
|
|
int igncr_enabled ();
|
|
int input_tcsetattr (int a, const struct termios *t);
|
|
void set_cursor_maybe ();
|
|
static bool create_invisible_console (HWINSTA);
|
|
static bool create_invisible_console_workaround ();
|
|
static console_state *open_shared_console (HWND, HANDLE&, bool&);
|
|
|
|
public:
|
|
static pid_t tc_getpgid ()
|
|
{
|
|
return shared_console_info ? shared_console_info->tty_min_state.getpgid () : myself->pgid;
|
|
}
|
|
fhandler_console (fh_devices);
|
|
static console_state *open_shared_console (HWND hw, HANDLE& h)
|
|
{
|
|
bool createit = false;
|
|
return open_shared_console (hw, h, createit);
|
|
}
|
|
|
|
fhandler_console* is_console () { return this; }
|
|
|
|
bool use_archetype () const {return true;}
|
|
|
|
int open (int flags, mode_t mode);
|
|
void open_setup (int flags);
|
|
int dup (fhandler_base *, int);
|
|
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void doecho (const void *str, DWORD len) { (void) write (str, len); }
|
|
int close ();
|
|
static bool exists () {return !!GetConsoleCP ();}
|
|
|
|
int tcflush (int);
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
|
|
int ioctl (unsigned int cmd, void *);
|
|
int init (HANDLE, DWORD, mode_t);
|
|
bool mouse_aware (MOUSE_EVENT_RECORD& mouse_event);
|
|
bool focus_aware () {return shared_console_info->dev_state.use_focus;}
|
|
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
void fixup_after_fork_exec (bool);
|
|
void fixup_after_exec () {fixup_after_fork_exec (true);}
|
|
void fixup_after_fork (HANDLE) {fixup_after_fork_exec (false);}
|
|
void set_close_on_exec (bool val);
|
|
void set_input_state ();
|
|
void send_winch_maybe ();
|
|
void setup ();
|
|
bool set_unit ();
|
|
static bool need_invisible ();
|
|
static void free_console ();
|
|
|
|
fhandler_console (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_console *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_console *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_console));
|
|
fhandler_console *fh = new (ptr) fhandler_console (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
friend tty_min * tty_list::get_cttyp ();
|
|
};
|
|
|
|
class fhandler_pty_common: public fhandler_termios
|
|
{
|
|
public:
|
|
fhandler_pty_common ()
|
|
: fhandler_termios (),
|
|
output_mutex (NULL),
|
|
input_mutex (NULL), input_available_event (NULL)
|
|
{
|
|
pc.file_attributes (FILE_ATTRIBUTE_NORMAL);
|
|
}
|
|
static const unsigned pipesize = 128 * 1024;
|
|
HANDLE output_mutex, input_mutex;
|
|
HANDLE input_available_event;
|
|
|
|
bool use_archetype () const {return true;}
|
|
DWORD __acquire_output_mutex (const char *fn, int ln, DWORD ms);
|
|
void __release_output_mutex (const char *fn, int ln);
|
|
|
|
int close ();
|
|
_off64_t lseek (_off64_t, int);
|
|
bool bytes_available (DWORD& n);
|
|
void set_close_on_exec (bool val);
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
|
|
fhandler_pty_common (void *) {}
|
|
|
|
virtual void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_pty_common *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
virtual fhandler_pty_common *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_pty_common));
|
|
fhandler_pty_common *fh = new (ptr) fhandler_pty_common (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_pty_slave: public fhandler_pty_common
|
|
{
|
|
HANDLE inuse; // used to indicate that a tty is in use
|
|
|
|
/* Helper functions for fchmod and fchown. */
|
|
bool fch_open_handles ();
|
|
int fch_set_sd (security_descriptor &sd, bool chown);
|
|
void fch_close_handles ();
|
|
|
|
public:
|
|
/* Constructor */
|
|
fhandler_pty_slave (int);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
void open_setup (int flags);
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int init (HANDLE, DWORD, mode_t);
|
|
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
int tcflush (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
int close ();
|
|
void cleanup ();
|
|
int dup (fhandler_base *child, int);
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec ();
|
|
|
|
select_record *select_read (select_stuff *);
|
|
int get_unit ();
|
|
virtual char const *ttyname () { return pc.dev.name; }
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
|
|
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
|
|
|
|
fhandler_pty_slave (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_pty_slave *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_pty_slave *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_pty_slave));
|
|
fhandler_pty_slave *fh = new (ptr) fhandler_pty_slave (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
#define __ptsname(buf, unit) __small_sprintf ((buf), "/dev/pty%d", (unit))
|
|
class fhandler_pty_master: public fhandler_pty_common
|
|
{
|
|
int pktmode; // non-zero if pty in a packet mode.
|
|
HANDLE master_ctl; // Control socket for handle duplication
|
|
cygthread *master_thread; // Master control thread
|
|
HANDLE from_master, to_master;
|
|
DWORD dwProcessId; // Owner of master handles
|
|
|
|
public:
|
|
int need_nl; // Next read should start with \n
|
|
|
|
/* Constructor */
|
|
fhandler_pty_master (int);
|
|
|
|
DWORD pty_master_thread ();
|
|
int process_slave_output (char *buf, size_t len, int pktmode_on);
|
|
void doecho (const void *str, DWORD len);
|
|
int accept_input ();
|
|
int open (int flags, mode_t mode = 0);
|
|
void open_setup (int flags);
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int close ();
|
|
void cleanup ();
|
|
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
int tcflush (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
|
|
int ptsname_r (char *, size_t);
|
|
|
|
bool hit_eof ();
|
|
bool setup ();
|
|
int dup (fhandler_base *, int);
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec ();
|
|
int tcgetpgrp ();
|
|
void flush_to_slave ();
|
|
|
|
fhandler_pty_master (void *) {}
|
|
~fhandler_pty_master ();
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_pty_master *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_pty_master *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_pty_master));
|
|
fhandler_pty_master *fh = new (ptr) fhandler_pty_master (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_null: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_null ();
|
|
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
|
|
fhandler_dev_null (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_null *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_null *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_null));
|
|
fhandler_dev_null *fh = new (ptr) fhandler_dev_null (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_zero: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_zero ();
|
|
int open (int flags, mode_t mode = 0);
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
|
|
virtual HANDLE mmap (caddr_t *addr, size_t len, int prot,
|
|
int flags, _off64_t off);
|
|
virtual int munmap (HANDLE h, caddr_t addr, size_t len);
|
|
virtual int msync (HANDLE h, caddr_t addr, size_t len, int flags);
|
|
virtual bool fixup_mmap_after_fork (HANDLE h, int prot, int flags,
|
|
_off64_t offset, DWORD size,
|
|
void *address);
|
|
|
|
fhandler_dev_zero (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_zero *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_zero *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_zero));
|
|
fhandler_dev_zero *fh = new (ptr) fhandler_dev_zero (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_random: public fhandler_base
|
|
{
|
|
protected:
|
|
HCRYPTPROV crypt_prov;
|
|
long pseudo;
|
|
_off64_t dummy_offset;
|
|
|
|
bool crypt_gen_random (void *ptr, size_t len);
|
|
int pseudo_write (const void *ptr, size_t len);
|
|
int pseudo_read (void *ptr, size_t len);
|
|
|
|
public:
|
|
fhandler_dev_random ();
|
|
int open (int flags, mode_t mode = 0);
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
int close ();
|
|
int dup (fhandler_base *child, int);
|
|
|
|
fhandler_dev_random (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_random *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_random *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_random));
|
|
fhandler_dev_random *fh = new (ptr) fhandler_dev_random (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_mem: public fhandler_base
|
|
{
|
|
protected:
|
|
DWORD mem_size;
|
|
_off64_t pos;
|
|
|
|
public:
|
|
fhandler_dev_mem ();
|
|
~fhandler_dev_mem ();
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
ssize_t __stdcall write (const void *ptr, size_t ulen);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
|
|
HANDLE mmap (caddr_t *addr, size_t len, int prot, int flags, _off64_t off);
|
|
int munmap (HANDLE h, caddr_t addr, size_t len);
|
|
int msync (HANDLE h, caddr_t addr, size_t len, int flags);
|
|
bool fixup_mmap_after_fork (HANDLE h, int prot, int flags,
|
|
_off64_t offset, DWORD size, void *address);
|
|
|
|
fhandler_dev_mem (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_mem *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_mem *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_mem));
|
|
fhandler_dev_mem *fh = new (ptr) fhandler_dev_mem (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_clipboard: public fhandler_base
|
|
{
|
|
_off64_t pos;
|
|
void *membuffer;
|
|
size_t msize;
|
|
public:
|
|
fhandler_dev_clipboard ();
|
|
int is_windows () { return 1; }
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
int close ();
|
|
|
|
int dup (fhandler_base *child, int);
|
|
void fixup_after_exec ();
|
|
|
|
fhandler_dev_clipboard (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_clipboard *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_clipboard *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_clipboard));
|
|
fhandler_dev_clipboard *fh = new (ptr) fhandler_dev_clipboard (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_windows: public fhandler_base
|
|
{
|
|
private:
|
|
HWND hWnd_; // the window whose messages are to be retrieved by read() call
|
|
int method_; // write method (Post or Send)
|
|
public:
|
|
fhandler_windows ();
|
|
int is_windows () { return 1; }
|
|
int open (int flags, mode_t mode = 0);
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int ioctl (unsigned int cmd, void *);
|
|
_off64_t lseek (_off64_t, int) { return 0; }
|
|
int close () { return 0; }
|
|
|
|
void set_close_on_exec (bool val);
|
|
void fixup_after_fork (HANDLE parent);
|
|
select_record *select_read (select_stuff *);
|
|
select_record *select_write (select_stuff *);
|
|
select_record *select_except (select_stuff *);
|
|
|
|
fhandler_windows (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_windows *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_windows *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_windows));
|
|
fhandler_windows *fh = new (ptr) fhandler_windows (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_dev_dsp: public fhandler_base
|
|
{
|
|
public:
|
|
class Audio;
|
|
class Audio_out;
|
|
class Audio_in;
|
|
private:
|
|
int audioformat_;
|
|
int audiofreq_;
|
|
int audiobits_;
|
|
int audiochannels_;
|
|
Audio_out *audio_out_;
|
|
Audio_in *audio_in_;
|
|
public:
|
|
fhandler_dev_dsp ();
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int ioctl (unsigned int cmd, void *);
|
|
_off64_t lseek (_off64_t, int);
|
|
int close ();
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec ();
|
|
private:
|
|
void close_audio_in ();
|
|
void close_audio_out (bool immediately = false);
|
|
bool use_archetype () const {return true;}
|
|
|
|
fhandler_dev_dsp (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_dev_dsp *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_dev_dsp *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev_dsp));
|
|
fhandler_dev_dsp *fh = new (ptr) fhandler_dev_dsp (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_virtual : public fhandler_base
|
|
{
|
|
protected:
|
|
char *filebuf;
|
|
_off64_t filesize;
|
|
_off64_t position;
|
|
int fileid; // unique within each class
|
|
public:
|
|
|
|
fhandler_virtual ();
|
|
virtual ~fhandler_virtual();
|
|
|
|
virtual virtual_ftype_t exists();
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
long telldir (DIR *);
|
|
void seekdir (DIR *, long);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t, int);
|
|
int dup (fhandler_base *child, int);
|
|
int open (int flags, mode_t mode = 0);
|
|
int close ();
|
|
int __stdcall fstat (struct stat *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
|
|
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
|
|
int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
|
|
virtual bool fill_filebuf ();
|
|
char *get_filebuf () { return filebuf; }
|
|
void fixup_after_exec ();
|
|
|
|
fhandler_virtual (void *) {}
|
|
|
|
virtual void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_virtual *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
virtual fhandler_virtual *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_virtual));
|
|
fhandler_virtual *fh = new (ptr) fhandler_virtual (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_proc: public fhandler_virtual
|
|
{
|
|
public:
|
|
fhandler_proc ();
|
|
virtual_ftype_t exists();
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
int closedir (DIR *);
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
static fh_devices get_proc_fhandler (const char *path);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
|
|
fhandler_proc (void *) {}
|
|
|
|
virtual void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_proc *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
virtual fhandler_proc *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_proc));
|
|
fhandler_proc *fh = new (ptr) fhandler_proc (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_procsys: public fhandler_virtual
|
|
{
|
|
public:
|
|
fhandler_procsys ();
|
|
virtual_ftype_t exists(struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
virtual_ftype_t exists();
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
long telldir (DIR *);
|
|
void seekdir (DIR *, long);
|
|
int closedir (DIR *);
|
|
int open (int flags, mode_t mode = 0);
|
|
int close ();
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
ssize_t __stdcall write (const void *ptr, size_t len);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
|
|
fhandler_procsys (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_procsys *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_procsys *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_procsys));
|
|
fhandler_procsys *fh = new (ptr) fhandler_procsys (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_procsysvipc: public fhandler_proc
|
|
{
|
|
pid_t pid;
|
|
public:
|
|
fhandler_procsysvipc ();
|
|
virtual_ftype_t exists();
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
|
|
fhandler_procsysvipc (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_procsysvipc *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_procsysvipc *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_procsysvipc));
|
|
fhandler_procsysvipc *fh = new (ptr) fhandler_procsysvipc (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_netdrive: public fhandler_virtual
|
|
{
|
|
public:
|
|
fhandler_netdrive ();
|
|
virtual_ftype_t exists();
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
void seekdir (DIR *, long);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
|
|
fhandler_netdrive (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_netdrive *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_netdrive *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_netdrive));
|
|
fhandler_netdrive *fh = new (ptr) fhandler_netdrive (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_registry: public fhandler_proc
|
|
{
|
|
private:
|
|
wchar_t *value_name;
|
|
DWORD wow64;
|
|
int prefix_len;
|
|
public:
|
|
fhandler_registry ();
|
|
void set_name (path_conv &pc);
|
|
virtual_ftype_t exists();
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
long telldir (DIR *);
|
|
void seekdir (DIR *, long);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
int close ();
|
|
int dup (fhandler_base *child, int);
|
|
|
|
fhandler_registry (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_registry *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_registry *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_registry));
|
|
fhandler_registry *fh = new (ptr) fhandler_registry (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class pinfo;
|
|
class fhandler_process: public fhandler_proc
|
|
{
|
|
pid_t pid;
|
|
public:
|
|
fhandler_process ();
|
|
virtual_ftype_t exists();
|
|
DIR *opendir (int fd) __attribute__ ((regparm (2)));
|
|
int closedir (DIR *);
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
|
|
fhandler_process (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_process *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_process *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_process));
|
|
fhandler_process *fh = new (ptr) fhandler_process (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
class fhandler_procnet: public fhandler_proc
|
|
{
|
|
pid_t pid;
|
|
public:
|
|
fhandler_procnet ();
|
|
virtual_ftype_t exists();
|
|
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
|
|
fhandler_procnet (void *) {}
|
|
|
|
void copyto (fhandler_base *x)
|
|
{
|
|
x->pc.free_strings ();
|
|
*reinterpret_cast<fhandler_procnet *> (x) = *this;
|
|
x->reset (this);
|
|
}
|
|
|
|
fhandler_procnet *clone (cygheap_types malloc_type = HEAP_FHANDLER)
|
|
{
|
|
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_procnet));
|
|
fhandler_procnet *fh = new (ptr) fhandler_procnet (ptr);
|
|
copyto (fh);
|
|
return fh;
|
|
}
|
|
};
|
|
|
|
struct fhandler_nodevice: public fhandler_base
|
|
{
|
|
fhandler_nodevice ();
|
|
int open (int flags, mode_t mode = 0);
|
|
};
|
|
|
|
#define report_tty_counts(fh, call, use_op) \
|
|
termios_printf ("%s %s, %susecount %d",\
|
|
fh->ttyname (), call,\
|
|
use_op, ((fhandler_pty_slave *) (fh->archetype ?: fh))->usecount);
|
|
|
|
typedef union
|
|
{
|
|
char __base[sizeof (fhandler_base)];
|
|
char __console[sizeof (fhandler_console)];
|
|
char __dev[sizeof (fhandler_dev)];
|
|
char __cygdrive[sizeof (fhandler_cygdrive)];
|
|
char __dev_clipboard[sizeof (fhandler_dev_clipboard)];
|
|
char __dev_dsp[sizeof (fhandler_dev_dsp)];
|
|
char __dev_floppy[sizeof (fhandler_dev_floppy)];
|
|
char __dev_mem[sizeof (fhandler_dev_mem)];
|
|
char __dev_null[sizeof (fhandler_dev_null)];
|
|
char __dev_random[sizeof (fhandler_dev_random)];
|
|
char __dev_raw[sizeof (fhandler_dev_raw)];
|
|
char __dev_tape[sizeof (fhandler_dev_tape)];
|
|
char __dev_zero[sizeof (fhandler_dev_zero)];
|
|
char __disk_file[sizeof (fhandler_disk_file)];
|
|
char __fifo[sizeof (fhandler_fifo)];
|
|
char __mailslot[sizeof (fhandler_mailslot)];
|
|
char __netdrive[sizeof (fhandler_netdrive)];
|
|
char __nodevice[sizeof (fhandler_nodevice)];
|
|
char __pipe[sizeof (fhandler_pipe)];
|
|
char __proc[sizeof (fhandler_proc)];
|
|
char __process[sizeof (fhandler_process)];
|
|
char __procnet[sizeof (fhandler_procnet)];
|
|
char __procsys[sizeof (fhandler_procsys)];
|
|
char __procsysvipc[sizeof (fhandler_procsysvipc)];
|
|
char __pty_master[sizeof (fhandler_pty_master)];
|
|
char __registry[sizeof (fhandler_registry)];
|
|
char __serial[sizeof (fhandler_serial)];
|
|
char __socket[sizeof (fhandler_socket)];
|
|
char __termios[sizeof (fhandler_termios)];
|
|
char __pty_common[sizeof (fhandler_pty_common)];
|
|
char __pty_slave[sizeof (fhandler_pty_slave)];
|
|
char __virtual[sizeof (fhandler_virtual)];
|
|
char __windows[sizeof (fhandler_windows)];
|
|
} fhandler_union;
|