109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
/* shared_info.h: shared info for cygwin
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Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009 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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#include "tty.h"
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#include "security.h"
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#include "mtinfo.h"
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#include "limits.h"
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#include "mount.h"
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class user_info
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{
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public:
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DWORD version;
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DWORD cb;
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bool warned_msdos;
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mount_info mountinfo;
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};
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/******** Shared Info ********/
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/* Data accessible to all tasks */
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#define SHARED_VERSION (unsigned)(cygwin_version.api_major << 8 | \
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cygwin_version.api_minor)
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#define SHARED_VERSION_MAGIC CYGWIN_VERSION_MAGIC (SHARED_MAGIC, SHARED_VERSION)
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#define SHARED_INFO_CB 39328
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#define CURR_SHARED_MAGIC 0x398d8baU
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#define USER_VERSION 1 // increment when mount table changes and
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#define USER_VERSION_MAGIC CYGWIN_VERSION_MAGIC (USER_MAGIC, USER_VERSION)
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#define CURR_USER_MAGIC 0xb2232e71U
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/* NOTE: Do not make gratuitous changes to the names or organization of the
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below class. The layout is checksummed to determine compatibility between
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different cygwin versions. */
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class shared_info
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{
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DWORD version;
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DWORD cb;
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public:
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unsigned heap_chunk;
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bool heap_slop_inited;
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unsigned heap_slop;
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DWORD sys_mount_table_counter;
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tty_list tty;
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LONG last_used_bindresvport;
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WCHAR installation_root[PATH_MAX];
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DWORD obcaseinsensitive;
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mtinfo mt;
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void initialize ();
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void init_installation_root ();
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void init_obcaseinsensitive ();
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unsigned heap_chunk_size ();
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unsigned heap_slop_size ();
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};
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extern shared_info *cygwin_shared;
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extern user_info *user_shared;
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#define mount_table (&(user_shared->mountinfo))
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extern HANDLE cygwin_user_h;
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enum shared_locations
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{
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SH_CYGWIN_SHARED,
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SH_USER_SHARED,
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SH_SHARED_CONSOLE,
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SH_MYSELF,
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SH_TOTAL_SIZE,
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SH_JUSTCREATE,
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SH_JUSTOPEN
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};
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void __stdcall memory_init ();
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void __stdcall shared_destroy ();
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#define shared_align_past(p) \
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((char *) (system_info.dwAllocationGranularity * \
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(((DWORD) ((p) + 1) + system_info.dwAllocationGranularity - 1) / \
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system_info.dwAllocationGranularity)))
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#ifdef _FHANDLER_H_
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struct console_state
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{
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tty_min tty_min_state;
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dev_console dev_state;
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};
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#endif
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HANDLE get_shared_parent_dir ();
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HANDLE get_session_parent_dir ();
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char *__stdcall shared_name (char *, const char *, int);
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WCHAR *__stdcall shared_name (WCHAR *, const WCHAR *, int);
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void *__stdcall open_shared (const WCHAR *name, int n, HANDLE &shared_h,
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DWORD size, shared_locations&,
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PSECURITY_ATTRIBUTES psa = &sec_all,
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DWORD access = FILE_MAP_READ | FILE_MAP_WRITE);
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extern void user_shared_create (bool reinit);
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extern void user_shared_initialize ();
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