341 lines
11 KiB
C++
341 lines
11 KiB
C++
/* sys/cygwin.h
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Copyright 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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2007, 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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#ifndef _SYS_CYGWIN_H
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#define _SYS_CYGWIN_H
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#include <sys/types.h>
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#include <limits.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _CYGWIN_SIGNAL_STRING "cYgSiGw00f"
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#if 0 /* ENTIRELY DEPRECATED INTERFACES. */
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extern pid_t cygwin32_winpid_to_pid (int);
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extern void cygwin32_win32_to_posix_path_list (const char *, char *);
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extern int cygwin32_win32_to_posix_path_list_buf_size (const char *);
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extern void cygwin32_posix_to_win32_path_list (const char *, char *);
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extern int cygwin32_posix_to_win32_path_list_buf_size (const char *);
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extern int cygwin32_conv_to_win32_path (const char *, char *);
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extern int cygwin32_conv_to_full_win32_path (const char *, char *);
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extern void cygwin32_conv_to_posix_path (const char *, char *);
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extern void cygwin32_conv_to_full_posix_path (const char *, char *);
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extern int cygwin32_posix_path_list_p (const char *);
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extern void cygwin32_split_path (const char *, char *, char *);
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extern int cygwin32_attach_handle_to_fd (char *, int, HANDLE, mode_t, DWORD);
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#endif
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/* DEPRECATED INTERFACES. These are restricted to MAX_PATH length.
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Don't use in modern applications. */
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extern int cygwin_win32_to_posix_path_list (const char *, char *)
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__attribute__ ((deprecated));
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extern int cygwin_win32_to_posix_path_list_buf_size (const char *)
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__attribute__ ((deprecated));
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extern int cygwin_posix_to_win32_path_list (const char *, char *)
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__attribute__ ((deprecated));
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extern int cygwin_posix_to_win32_path_list_buf_size (const char *)
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__attribute__ ((deprecated));
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extern int cygwin_conv_to_win32_path (const char *, char *)
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__attribute__ ((deprecated));
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extern int cygwin_conv_to_full_win32_path (const char *, char *)
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__attribute__ ((deprecated));
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extern int cygwin_conv_to_posix_path (const char *, char *)
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__attribute__ ((deprecated));
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extern int cygwin_conv_to_full_posix_path (const char *, char *)
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__attribute__ ((deprecated));
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/* Use these interfaces in favor of the above. */
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/* Possible 'what' values in calls to cygwin_conv_path/cygwin_create_path. */
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enum
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{
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CCP_POSIX_TO_WIN_A = 0, /* from is char*, to is char* */
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CCP_POSIX_TO_WIN_W, /* from is char*, to is wchar_t* */
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CCP_WIN_A_TO_POSIX, /* from is char*, to is char* */
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CCP_WIN_W_TO_POSIX, /* from is wchar_t*, to is char* */
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/* Or these values to the above as needed. */
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CCP_ABSOLUTE = 0, /* Request absolute path (default). */
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CCP_RELATIVE = 0x100 /* Request to keep path relative. */
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};
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typedef unsigned int cygwin_conv_path_t;
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/* If size is 0, cygwin_conv_path returns the required buffer size in bytes.
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Otherwise, it returns 0 on success, or -1 on error and errno is set to
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one of the below values:
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EINVAL what has an invalid value.
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EFAULT from or to point into nirvana.
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ENAMETOOLONG the resulting path is longer than 32K, or, in case
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of what == CCP_POSIX_TO_WIN_A, longer than MAX_PATH.
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ENOSPC size is less than required for the conversion.
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*/
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extern ssize_t cygwin_conv_path (cygwin_conv_path_t what, const void *from,
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void *to, size_t size);
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/* Same, but handles path lists separated by colon or semicolon. */
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extern ssize_t cygwin_conv_path_list (cygwin_conv_path_t what, const void *from,
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void *to, size_t size);
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/* Allocate a buffer for the conversion result using malloc(3), and return
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a pointer to it. Returns NULL if something goes wrong with errno set
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to one of the above values, or to ENOMEM if malloc fails. */
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extern void *cygwin_create_path (cygwin_conv_path_t what, const void *from);
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extern pid_t cygwin_winpid_to_pid (int);
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extern int cygwin_posix_path_list_p (const char *);
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extern void cygwin_split_path (const char *, char *, char *);
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struct __cygwin_perfile
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{
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const char *name;
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unsigned flags;
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};
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/* External interface stuff */
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/* Always add at the bottom. Do not add new values in the middle. */
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typedef enum
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{
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CW_LOCK_PINFO,
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CW_UNLOCK_PINFO,
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CW_GETTHREADNAME,
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CW_GETPINFO,
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CW_SETPINFO,
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CW_SETTHREADNAME,
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CW_GETVERSIONINFO,
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CW_READ_V1_MOUNT_TABLES,
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CW_USER_DATA,
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CW_PERFILE,
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CW_GET_CYGDRIVE_PREFIXES,
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CW_GETPINFO_FULL,
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CW_INIT_EXCEPTIONS,
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CW_GET_CYGDRIVE_INFO,
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CW_SET_CYGWIN_REGISTRY_NAME,
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CW_GET_CYGWIN_REGISTRY_NAME,
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CW_STRACE_TOGGLE,
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CW_STRACE_ACTIVE,
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CW_CYGWIN_PID_TO_WINPID,
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CW_EXTRACT_DOMAIN_AND_USER,
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CW_CMDLINE,
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CW_CHECK_NTSEC,
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CW_GET_ERRNO_FROM_WINERROR,
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CW_GET_POSIX_SECURITY_ATTRIBUTE,
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CW_GET_SHMLBA,
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CW_GET_UID_FROM_SID,
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CW_GET_GID_FROM_SID,
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CW_GET_BINMODE,
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CW_HOOK,
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CW_ARGV,
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CW_ENVP,
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CW_DEBUG_SELF,
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CW_SYNC_WINENV,
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CW_CYGTLS_PADSIZE,
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CW_SET_DOS_FILE_WARNING,
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CW_SET_PRIV_KEY,
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CW_SETERRNO,
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CW_EXIT_PROCESS,
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CW_SET_EXTERNAL_TOKEN,
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CW_GET_INSTKEY
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} cygwin_getinfo_types;
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/* Token type for CW_SET_EXTERNAL_TOKEN */
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enum
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{
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CW_TOKEN_IMPERSONATION = 0,
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CW_TOKEN_RESTRICTED = 1
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};
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#define CW_NEXTPID 0x80000000 /* or with pid to get next one */
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unsigned long cygwin_internal (cygwin_getinfo_types, ...);
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/* Flags associated with process_state */
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enum
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{
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PID_IN_USE = 0x00001, /* Entry in use. */
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PID_UNUSED = 0x00002, /* Available. */
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PID_STOPPED = 0x00004, /* Waiting for SIGCONT. */
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PID_TTYIN = 0x00008, /* Waiting for terminal input. */
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PID_TTYOU = 0x00010, /* Waiting for terminal output. */
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PID_ORPHANED = 0x00020, /* Member of an orphaned process group. */
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PID_ACTIVE = 0x00040, /* Pid accepts signals. */
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PID_CYGPARENT = 0x00080, /* Set if parent was a cygwin app. */
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PID_MAP_RW = 0x00100, /* Flag to open map rw. */
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PID_MYSELF = 0x00200, /* Flag that pid is me. */
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PID_NOCLDSTOP = 0x00400, /* Set if no SIGCHLD signal on stop. */
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PID_INITIALIZING = 0x00800, /* Set until ready to receive signals. */
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PID_USETTY = 0x01000, /* Setting this enables or disables cygwin's
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tty support. This is inherited by
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all execed or forked processes. */
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PID_ALLPIDS = 0x02000, /* used by pinfo scanner */
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PID_EXECED = 0x04000, /* redirect to original pid info block */
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PID_NOREDIR = 0x08000, /* don't redirect if execed */
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PID_EXITED = 0x80000000 /* Free entry. */
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};
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#ifdef WINVER
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/* This lives in the app and is initialized before jumping into the DLL.
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It should only contain stuff which the user's process needs to see, or
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which is needed before the user pointer is initialized, or is needed to
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carry inheritance information from parent to child. Note that it cannot
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be used to carry inheritance information across exec!
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Remember, this structure is linked into the application's executable.
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Changes to this can invalidate existing executables, so we go to extra
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lengths to avoid having to do it.
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When adding/deleting members, remember to adjust {public,internal}_reserved.
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The size of the class shouldn't change [unless you really are prepared to
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invalidate all existing executables]. The program does a check (using
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SIZEOF_PER_PROCESS) to make sure you remember to make the adjustment.
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*/
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#ifdef __cplusplus
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class MTinterface;
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#endif
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struct per_process_cxx_malloc;
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struct per_process
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{
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char *initial_sp;
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/* The offset of these 3 values can never change. */
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/* magic_biscuit is the size of this class and should never change. */
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unsigned long magic_biscuit;
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unsigned long dll_major;
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unsigned long dll_minor;
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struct _reent **impure_ptr_ptr;
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char ***envptr;
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/* Used to point to the memory machine we should use. Usually these
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point back into the dll, but they can be overridden by the user. */
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void *(*malloc)(size_t);
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void (*free)(void *);
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void *(*realloc)(void *, size_t);
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int *fmode_ptr;
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int (*main)(int, char **, char **);
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void (**ctors)(void);
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void (**dtors)(void);
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/* For fork */
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void *data_start;
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void *data_end;
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void *bss_start;
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void *bss_end;
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void *(*calloc)(size_t, size_t);
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/* For future expansion of values set by the app. */
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void (*premain[4]) (int, char **, struct per_process *);
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/* The rest are *internal* to cygwin.dll.
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Those that are here because we want the child to inherit the value from
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the parent (which happens when bss is copied) are marked as such. */
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/* non-zero of ctors have been run. Inherited from parent. */
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int run_ctors_p;
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DWORD unused[7];
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/* Pointers to real operator new/delete functions for forwarding. */
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struct per_process_cxx_malloc *cxx_malloc;
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HMODULE hmodule;
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DWORD api_major; /* API version that this program was */
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DWORD api_minor; /* linked with */
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/* For future expansion, so apps won't have to be relinked if we
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add an item. */
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DWORD unused2[6];
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#if defined (__INSIDE_CYGWIN__) && defined (__cplusplus)
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MTinterface *threadinterface;
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#else
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void *threadinterface;
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#endif
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struct _reent *impure_ptr;
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};
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#define per_process_overwrite ((unsigned) &(((struct per_process *) NULL)->threadinterface))
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extern void cygwin_premain0 (int argc, char **argv, struct per_process *);
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extern void cygwin_premain1 (int argc, char **argv, struct per_process *);
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extern void cygwin_premain2 (int argc, char **argv, struct per_process *);
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extern void cygwin_premain3 (int argc, char **argv, struct per_process *);
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#ifdef _PATH_PASSWD
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extern HANDLE cygwin_logon_user (const struct passwd *, const char *);
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#endif
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extern void cygwin_set_impersonation_token (const HANDLE);
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/* included if <windows.h> is included */
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extern int cygwin_attach_handle_to_fd (char *, int, HANDLE, mode_t, DWORD);
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#ifdef __CYGWIN__
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#include <sys/resource.h>
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#define TTY_CONSOLE 0x40000000
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#define EXTERNAL_PINFO_VERSION_16_BIT 0
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#define EXTERNAL_PINFO_VERSION_32_BIT 1
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#define EXTERNAL_PINFO_VERSION_32_LP 2
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#define EXTERNAL_PINFO_VERSION EXTERNAL_PINFO_VERSION_32_LP
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#ifndef _SYS_TYPES_H
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typedef unsigned short __uid16_t;
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typedef unsigned short __gid16_t;
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typedef unsigned long __uid32_t;
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typedef unsigned long __gid32_t;
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#endif
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struct external_pinfo
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{
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pid_t pid;
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pid_t ppid;
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DWORD exitcode;
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DWORD dwProcessId, dwSpawnedProcessId;
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__uid16_t uid;
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__gid16_t gid;
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pid_t pgid;
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pid_t sid;
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int ctty;
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mode_t umask;
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long start_time;
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struct rusage rusage_self;
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struct rusage rusage_children;
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char progname[MAX_PATH];
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DWORD strace_mask;
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DWORD version;
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DWORD process_state;
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/* Only available if version >= EXTERNAL_PINFO_VERSION_32_BIT */
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__uid32_t uid32;
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__gid32_t gid32;
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/* Only available if version >= EXTERNAL_PINFO_VERSION_32_LP */
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char *progname_long;
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};
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#endif /*__CYGWIN__*/
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#endif /*WINVER*/
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#ifdef __cplusplus
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};
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#endif
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#endif /* _SYS_CYGWIN_H */
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