307 lines
9.6 KiB
C++
307 lines
9.6 KiB
C++
/* winsup.h: main Cygwin header file.
|
|
|
|
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
|
|
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Red Hat, Inc.
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#include "config.h"
|
|
|
|
#define __INSIDE_CYGWIN__
|
|
|
|
#define NO_COPY_RO __attribute__((nocommon)) __attribute__((section(".rdata_cygwin_nocopy")))
|
|
#define NO_COPY __attribute__((nocommon)) __attribute__((section(".data_cygwin_nocopy")))
|
|
#define NO_COPY_INIT __attribute__((section(".data_cygwin_nocopy")))
|
|
|
|
#define EXPORT_ALIAS(sym,symalias) extern "C" __typeof (sym) symalias __attribute__ ((alias(#sym)));
|
|
|
|
/* Fun, fun, fun. On Mingw64, WINVER is set according to the value of
|
|
_WIN32_WINNT, on Mingw32 it's exactly the opposite... */
|
|
#define _WIN32_WINNT 0x0602
|
|
#define WINVER 0x0602
|
|
|
|
#define _NO_W32_PSEUDO_MODIFIERS
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/strace.h>
|
|
|
|
/* Declarations for functions used in C and C++ code. */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
uid_t getuid32 ();
|
|
uid_t geteuid32 ();
|
|
int seteuid32 (uid_t);
|
|
gid_t getegid32 (void);
|
|
struct passwd *getpwuid32 (uid_t);
|
|
struct passwd *getpwnam (const char *);
|
|
struct __sFILE64 *fopen64 (const char *, const char *);
|
|
struct hostent *cygwin_gethostbyname (const char *name);
|
|
/* Don't enforce definition of in_addr_t. */
|
|
uint32_t cygwin_inet_addr (const char *cp);
|
|
int fcntl64 (int fd, int cmd, ...);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
/* Note that MAX_PATH is defined in the windows headers */
|
|
/* There is also PATH_MAX and MAXPATHLEN.
|
|
PATH_MAX is from Posix and does include the trailing NUL.
|
|
MAXPATHLEN is from Unix.
|
|
|
|
Thou shalt *not* use CYG_MAX_PATH anymore. Use NT_MAX_PATH or
|
|
dynamic allocation instead when accessing real files. Use
|
|
MAX_PATH in case you need a convenient small buffer when creating
|
|
names for synchronization objects or named pipes. */
|
|
#define CYG_MAX_PATH (MAX_PATH)
|
|
|
|
/* There's no define for the maximum path length the NT kernel can handle.
|
|
That's why we define our own to use in path length test and for path
|
|
buffer sizes. As MAX_PATH and PATH_MAX, this is defined including the
|
|
trailing 0. Internal buffers and internal path routines should use
|
|
NT_MAX_PATH. PATH_MAX as defined in limits.h is the maximum length of
|
|
application provided path strings we handle. */
|
|
#define NT_MAX_PATH 32768
|
|
|
|
/* This definition allows to define wide char strings using macros as
|
|
parameters. See the definition of __CONCAT in newlib's sys/cdefs.h
|
|
and accompanying comment. */
|
|
#define __WIDE(a) L ## a
|
|
#define _WIDE(a) __WIDE(a)
|
|
|
|
#include "winlean.h"
|
|
|
|
#ifdef __cplusplus
|
|
|
|
#include "wincap.h"
|
|
#include "regparm.h"
|
|
|
|
extern const unsigned char case_folded_lower[];
|
|
#define cyg_tolower(c) ((char) case_folded_lower[(unsigned char)(c)])
|
|
extern const unsigned char case_folded_upper[];
|
|
#define cyg_toupper(c) ((char) case_folded_upper[(unsigned char)(c)])
|
|
|
|
#ifndef MALLOC_DEBUG
|
|
#define cfree newlib_cfree_dont_use
|
|
#endif
|
|
|
|
/* Used as type by sys_wcstombs_alloc and sys_mbstowcs_alloc. For a
|
|
description see there. */
|
|
#define HEAP_NOTHEAP -1
|
|
|
|
/* Used to check if Cygwin DLL is dynamically loaded. */
|
|
|
|
extern int cygserver_running;
|
|
|
|
#define _MT_SAFE // DELETEME someday
|
|
|
|
#define TITLESIZE 1024
|
|
|
|
#include "debug.h"
|
|
|
|
#include <wchar.h>
|
|
|
|
/**************************** Convenience ******************************/
|
|
|
|
/* Used to define status flag accessor methods */
|
|
#define IMPLEMENT_STATUS_FLAG(type,flag) \
|
|
type flag (type val) { return (type) (status.flag = (val)); } \
|
|
type flag () const { return (type) status.flag; }
|
|
|
|
/* Used when treating / and \ as equivalent. */
|
|
#define iswdirsep(ch) \
|
|
({ \
|
|
WCHAR __c = (ch); \
|
|
((__c) == L'/' || (__c) == L'\\'); \
|
|
})
|
|
|
|
#define isdirsep(ch) \
|
|
({ \
|
|
char __c = (ch); \
|
|
((__c) == '/' || (__c) == '\\'); \
|
|
})
|
|
|
|
/* Convert a signal to a signal mask */
|
|
#define SIGTOMASK(sig) (1 << ((sig) - 1))
|
|
|
|
#define set_api_fatal_return(n) do {extern int __api_fatal_exit_val; __api_fatal_exit_val = (n);} while (0)
|
|
|
|
#undef issep
|
|
#define issep(ch) (strchr (" \t\n\r", (ch)) != NULL)
|
|
|
|
/* Every path beginning with / or \, as well as every path being X:
|
|
or starting with X:/ or X:\ */
|
|
#define isabspath_u(p) \
|
|
((p)->Length && \
|
|
(iswdirsep ((p)->Buffer[0]) || \
|
|
((p)->Length > sizeof (WCHAR) && iswalpha ((p)->Buffer[0]) \
|
|
&& (p)->Buffer[1] == L':' && \
|
|
((p)->Length == 2 * sizeof (WCHAR) || iswdirsep ((p)->Buffer[2])))))
|
|
|
|
#define iswabspath(p) \
|
|
(iswdirsep (*(p)) || (iswalpha (*(p)) && (p)[1] == L':' && (!(p)[2] || iswdirsep ((p)[2]))))
|
|
|
|
#define isabspath(p) \
|
|
(isdirsep (*(p)) || (isalpha (*(p)) && (p)[1] == ':' && (!(p)[2] || isdirsep ((p)[2]))))
|
|
|
|
/******************** Initialization/Termination **********************/
|
|
|
|
class per_process;
|
|
/* cygwin .dll initialization */
|
|
void dll_crt0 (per_process *) __asm__ (_SYMSTR (dll_crt0__FP11per_process));
|
|
extern "C" void __stdcall _dll_crt0 ();
|
|
void dll_crt0_1 (void *);
|
|
void dll_dllcrt0_1 (void *);
|
|
|
|
/* dynamically loaded dll initialization */
|
|
extern "C" PVOID dll_dllcrt0 (HMODULE, per_process *);
|
|
|
|
extern "C" void _pei386_runtime_relocator (per_process *);
|
|
|
|
#ifndef __x86_64__
|
|
/* dynamically loaded dll initialization for non-cygwin apps */
|
|
extern "C" int dll_noncygwin_dllcrt0 (HMODULE, per_process *);
|
|
#endif /* !__x86_64__ */
|
|
|
|
void __reg1 do_exit (int) __attribute__ ((noreturn));
|
|
|
|
/* libstdc++ malloc operator wrapper support. */
|
|
extern struct per_process_cxx_malloc default_cygwin_cxx_malloc;
|
|
|
|
#define ILLEGAL_SEEK ((off_t)-1)
|
|
|
|
/* Convert LARGE_INTEGER into long long */
|
|
#define get_ll(pl) (((long long) (pl).HighPart << 32) | (pl).LowPart)
|
|
|
|
/* various events */
|
|
void events_init ();
|
|
|
|
void __stdcall close_all_files (bool = false);
|
|
|
|
/* debug_on_trap support. see exceptions.cc:try_to_debug() */
|
|
extern "C" void error_start_init (const char*);
|
|
extern "C" int try_to_debug (bool waitloop = 1);
|
|
|
|
void ld_preload ();
|
|
const char *find_first_notloaded_dll (class path_conv &);
|
|
|
|
/**************************** Miscellaneous ******************************/
|
|
|
|
void __stdcall set_std_handle (int);
|
|
int __stdcall stat_dev (DWORD, int, unsigned long, struct stat *);
|
|
|
|
ino_t __reg2 hash_path_name (ino_t hash, PUNICODE_STRING name);
|
|
ino_t __reg2 hash_path_name (ino_t hash, PCWSTR name);
|
|
ino_t __reg2 hash_path_name (ino_t hash, const char *name);
|
|
void __reg2 nofinalslash (const char *src, char *dst);
|
|
|
|
void __reg3 *hook_or_detect_cygwin (const char *, const void *, WORD&, HANDLE h = NULL);
|
|
|
|
/* Time related */
|
|
void __stdcall totimeval (struct timeval *, PLARGE_INTEGER, int, int);
|
|
time_t __stdcall to_time_t (PLARGE_INTEGER);
|
|
void __stdcall to_timestruc_t (PLARGE_INTEGER, timestruc_t *);
|
|
void __stdcall time_as_timestruc_t (timestruc_t *);
|
|
void __stdcall timeval_to_filetime (const struct timeval *, PLARGE_INTEGER);
|
|
void __stdcall timespec_to_filetime (const struct timespec *, PLARGE_INTEGER);
|
|
|
|
/* Console related */
|
|
void __stdcall set_console_title (char *);
|
|
void init_console_handler (bool);
|
|
|
|
void __reg2 __set_winsock_errno (const char *fn, int ln);
|
|
#define set_winsock_errno() __set_winsock_errno (__FUNCTION__, __LINE__)
|
|
|
|
extern bool wsock_started;
|
|
|
|
/* Printf type functions */
|
|
extern "C" void vapi_fatal (const char *, va_list ap) __attribute__ ((noreturn));
|
|
extern "C" void api_fatal (const char *, ...) __attribute__ ((noreturn));
|
|
int __small_sprintf (char *dst, const char *fmt, ...);
|
|
int __small_vsprintf (char *dst, const char *fmt, va_list ap);
|
|
int __small_swprintf (PWCHAR dst, const WCHAR *fmt, ...);
|
|
int __small_vswprintf (PWCHAR dst, const WCHAR *fmt, va_list ap);
|
|
void multiple_cygwin_problem (const char *, uintptr_t, uintptr_t);
|
|
|
|
extern "C" void vklog (int priority, const char *message, va_list ap);
|
|
extern "C" void klog (int priority, const char *message, ...);
|
|
bool child_copy (HANDLE, bool, ...);
|
|
|
|
class path_conv;
|
|
|
|
int __reg2 stat_worker (path_conv &pc, struct stat *buf);
|
|
|
|
ino_t __reg2 readdir_get_ino (const char *path, bool dot_dot);
|
|
|
|
/* mmap functions. */
|
|
enum mmap_region_status
|
|
{
|
|
MMAP_NONE,
|
|
MMAP_RAISE_SIGBUS,
|
|
MMAP_NORESERVE_COMMITED
|
|
};
|
|
mmap_region_status mmap_is_attached_or_noreserve (void *addr, size_t len);
|
|
bool is_mmapped_region (caddr_t start_addr, caddr_t end_address);
|
|
|
|
extern inline bool flush_file_buffers (HANDLE h)
|
|
{
|
|
return (GetFileType (h) != FILE_TYPE_PIPE) ? FlushFileBuffers (h) : true;
|
|
}
|
|
#define FlushFileBuffers flush_file_buffers
|
|
|
|
/* Make sure that regular ExitThread is never called */
|
|
#define ExitThread exit_thread
|
|
|
|
/**************************** Exports ******************************/
|
|
|
|
extern "C" {
|
|
int cygwin_select (int , fd_set *, fd_set *, fd_set *,
|
|
struct timeval *to);
|
|
int cygwin_gethostname (char *__name, size_t __len);
|
|
};
|
|
|
|
/*************************** Unsorted ******************************/
|
|
|
|
#define WM_ASYNCIO 0x8000 // WM_APP
|
|
|
|
|
|
#define STD_RBITS (S_IRUSR | S_IRGRP | S_IROTH)
|
|
#define STD_WBITS (S_IWUSR)
|
|
#define STD_XBITS (S_IXUSR | S_IXGRP | S_IXOTH)
|
|
#define NO_W ~(S_IWUSR | S_IWGRP | S_IWOTH)
|
|
#define NO_R ~(S_IRUSR | S_IRGRP | S_IROTH)
|
|
#define NO_X ~(S_IXUSR | S_IXGRP | S_IXOTH)
|
|
|
|
|
|
#ifdef __x86_64__
|
|
extern "C" char __data_start__, __data_end__, __bss_start__, __bss_end__;
|
|
#else
|
|
extern "C" char _data_start__, _data_end__, _bss_start__, _bss_end__;
|
|
#endif
|
|
extern "C" void (*__CTOR_LIST__) (void);
|
|
extern "C" void (*__DTOR_LIST__) (void);
|
|
|
|
#define InterlockedDecrement _InterlockedDecrement
|
|
#define InterlockedExchange _InterlockedExchange
|
|
#define InterlockedIncrement _InterlockedIncrement
|
|
|
|
#ifndef NO_GLOBALS_H
|
|
#define _RDATA /* See globals.h */
|
|
#include "globals.h"
|
|
|
|
extern inline void clear_procimptoken ()
|
|
{
|
|
if (hProcImpToken)
|
|
{
|
|
HANDLE old_procimp = hProcImpToken;
|
|
hProcImpToken = NULL;
|
|
CloseHandle (old_procimp);
|
|
}
|
|
}
|
|
#endif /*NO_GLOBALS_H*/
|
|
#endif /* defined __cplusplus */
|