1 /* winsup.h: main Cygwin header file.
3 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
5 This file is part of Cygwin.
7 This software is a copyrighted work licensed under the terms of the
8 Cygwin license. Please consult the file "CYGWIN_LICENSE" for
15 #define __INSIDE_CYGWIN__
17 #define strlen __builtin_strlen
18 #define strcmp __builtin_strcmp
19 #define strcpy __builtin_strcpy
20 #define memcpy __builtin_memcpy
21 #define memcmp __builtin_memcmp
22 #ifdef HAVE_BUILTIN_MEMSET
23 # define memset __builtin_memset
26 #define NO_COPY __attribute__((nocommon)) __attribute__((section(".data_cygwin_nocopy")))
30 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ >= 199900L
31 #define NEW_MACRO_VARARGS
34 #include <sys/types.h>
35 #include <sys/strace.h>
37 extern const char case_folded_lower
[];
38 #define cyg_tolower(c) (case_folded_lower[(unsigned char)(c)])
39 extern const char case_folded_upper
[];
40 #define cyg_toupper(c) (case_folded_upper[(unsigned char)(c)])
43 #define cfree newlib_cfree_dont_use
46 #define WIN32_LEAN_AND_MEAN 1
65 /* The one function we use from winuser.h most of the time */
66 extern "C" DWORD WINAPI
GetLastError (void);
68 enum codepage_type
{ansi_cp
, oem_cp
};
69 extern codepage_type current_codepage
;
73 int __stdcall
sys_wcstombs(char *, const WCHAR
*, int)
74 __attribute__ ((regparm(3)));
76 int __stdcall
sys_mbstowcs(WCHAR
*, const char *, int)
77 __attribute__ ((regparm(3)));
79 /* Used to check if Cygwin DLL is dynamically loaded. */
80 extern int dynamically_loaded
;
82 extern int cygserver_running
;
84 #define TITLESIZE 1024
86 /* status bit manipulation */
87 #define __ISSETF(what, x, prefix) \
88 ((what)->status & prefix##_##x)
89 #define __SETF(what, x, prefix) \
90 ((what)->status |= prefix##_##x)
91 #define __CLEARF(what, x, prefix) \
92 ((what)->status &= ~prefix##_##x)
93 #define __CONDSETF(n, what, x, prefix) \
94 ((n) ? __SETF (what, x, prefix) : __CLEARF (what, x, prefix))
99 extern HANDLE title_mutex
;
101 /**************************** Convenience ******************************/
103 /* Used when treating / and \ as equivalent. */
104 #define SLASH_P(ch) \
107 ((__c) == '/' || (__c) == '\\'); \
110 /* Convert a signal to a signal mask */
111 #define SIGTOMASK(sig) (1<<((sig) - signal_shift_subtract))
112 extern unsigned int signal_shift_subtract
;
114 #ifdef NEW_MACRO_VARARGS
115 # define api_fatal(...) __api_fatal ("%P: *** " __VA_ARGS__)
117 # define api_fatal(fmt, args...) __api_fatal ("%P: *** " fmt,## args)
121 #define issep(ch) (strchr (" \t\n\r", (ch)) != NULL)
123 #define isdirsep SLASH_P
124 #define isabspath(p) \
125 (isdirsep (*(p)) || (isalpha (*(p)) && (p)[1] == ':' && (!(p)[2] || isdirsep ((p)[2]))))
127 /******************** Initialization/Termination **********************/
130 /* cygwin .dll initialization */
131 void dll_crt0 (per_process
*) __asm__ ("_dll_crt0__FP11per_process");
132 extern "C" void __stdcall
_dll_crt0 ();
134 /* dynamically loaded dll initialization */
135 extern "C" int dll_dllcrt0 (HMODULE
, per_process
*);
137 /* dynamically loaded dll initialization for non-cygwin apps */
138 extern "C" int dll_noncygwin_dllcrt0 (HMODULE
, per_process
*);
140 /* exit the program */
141 extern "C" void __stdcall
do_exit (int) __attribute__ ((noreturn
));
144 void uinfo_init (void);
146 #define ILLEGAL_UID16 ((__uid16_t)-1)
147 #define ILLEGAL_UID ((__uid32_t)-1)
148 #define ILLEGAL_GID16 ((__gid16_t)-1)
149 #define ILLEGAL_GID ((__gid32_t)-1)
150 #define ILLEGAL_SEEK ((__off64_t)-1)
152 #define uid16touid32(u16) ((u16)==ILLEGAL_UID16?ILLEGAL_UID:(__uid32_t)(u16))
153 #define gid16togid32(g16) ((g16)==ILLEGAL_GID16?ILLEGAL_GID:(__gid32_t)(g16))
155 extern "C" __uid32_t
getuid32 (void);
156 extern "C" __uid32_t
geteuid32 (void);
157 extern "C" struct passwd
*getpwuid32 (__uid32_t
);
160 void events_init (void);
161 void events_terminate (void);
163 void __stdcall
close_all_files (void);
164 BOOL __stdcall
check_pty_fds (void);
166 /* Invisible window initialization/termination. */
167 HWND __stdcall
gethwnd (void);
168 void __stdcall
window_terminate (void);
170 /* Globals that handle initialization of winsock in a child process. */
171 extern HANDLE wsock32_handle
;
172 extern HANDLE ws2_32_handle
;
174 /* Globals that handle initialization of netapi in a child process. */
175 extern HANDLE netapi32_handle
;
177 /* debug_on_trap support. see exceptions.cc:try_to_debug() */
178 extern "C" void error_start_init (const char*);
179 extern "C" int try_to_debug (bool waitloop
= 1);
181 void set_file_api_mode (codepage_type
);
183 extern int cygwin_finished_initializing
;
185 /**************************** Miscellaneous ******************************/
187 void __stdcall
set_std_handle (int);
188 int __stdcall
writable_directory (const char *file
);
189 int __stdcall
stat_dev (DWORD
, int, unsigned long, struct __stat64
*);
190 extern BOOL allow_ntsec
;
192 unsigned long __stdcall
hash_path_name (unsigned long hash
, const char *name
) __attribute__ ((regparm(2)));
193 void __stdcall
nofinalslash (const char *src
, char *dst
) __attribute__ ((regparm(2)));
194 extern "C" char *__stdcall
rootdir (char *full_path
) __attribute__ ((regparm(1)));
196 /* String manipulation */
197 extern "C" char *__stdcall
strccpy (char *s1
, const char **s2
, char c
);
198 extern "C" int __stdcall
strcasematch (const char *s1
, const char *s2
) __attribute__ ((regparm(2)));
199 extern "C" int __stdcall
strncasematch (const char *s1
, const char *s2
, size_t n
) __attribute__ ((regparm(3)));
200 extern "C" char *__stdcall
strcasestr (const char *searchee
, const char *lookfor
) __attribute__ ((regparm(2)));
203 void __stdcall
totimeval (struct timeval
*dst
, FILETIME
* src
, int sub
, int flag
);
204 long __stdcall
to_time_t (FILETIME
* ptr
);
205 void __stdcall
to_timestruc_t (FILETIME
* ptr
, timestruc_t
* out
);
206 void __stdcall
time_as_timestruc_t (timestruc_t
* out
);
208 void __stdcall
set_console_title (char *);
209 void early_stuff_init ();
211 int __stdcall
check_null_str (const char *name
) __attribute__ ((regparm(1)));
212 int __stdcall
check_null_empty_str (const char *name
) __attribute__ ((regparm(1)));
213 int __stdcall
check_null_empty_str_errno (const char *name
) __attribute__ ((regparm(1)));
214 int __stdcall
check_null_str_errno (const char *name
) __attribute__ ((regparm(1)));
215 int __stdcall
__check_null_invalid_struct (void *s
, unsigned sz
) __attribute__ ((regparm(2)));
216 int __stdcall
__check_null_invalid_struct_errno (void *s
, unsigned sz
) __attribute__ ((regparm(2)));
217 int __stdcall
__check_invalid_read_ptr_errno (const void *s
, unsigned sz
) __attribute__ ((regparm(2)));
219 #define check_null_invalid_struct(s) \
220 __check_null_invalid_struct ((s), sizeof (*(s)))
221 #define check_null_invalid_struct_errno(s) \
222 __check_null_invalid_struct_errno ((s), sizeof (*(s)))
224 #define set_winsock_errno() __set_winsock_errno (__FUNCTION__, __LINE__)
225 void __set_winsock_errno (const char *fn
, int ln
) __attribute__ ((regparm(2)));
227 extern bool wsock_started
;
229 /* Printf type functions */
230 extern "C" void __api_fatal (const char *, ...) __attribute__ ((noreturn
));
231 extern "C" int __small_sprintf (char *dst
, const char *fmt
, ...) /*__attribute__ ((regparm (2)))*/;
232 extern "C" int __small_vsprintf (char *dst
, const char *fmt
, va_list ap
) /*__attribute__ ((regparm (3)))*/;
233 extern void multiple_cygwin_problem (const char *, unsigned, unsigned);
235 extern "C" void __malloc_lock ();
236 extern "C" void __malloc_unlock ();
239 int __stdcall
stat_worker (const char *name
, struct __stat64
*buf
, int nofollow
,
240 path_conv
*pc
= NULL
) __attribute__ ((regparm (3)));
242 /**************************** Exports ******************************/
245 int cygwin_select (int , fd_set
*, fd_set
*, fd_set
*,
247 int cygwin_gethostname (char *__name
, size_t __len
);
249 int kill_pgrp (pid_t
, int);
250 int _kill (int, int);
251 int _raise (int sig
);
253 extern DWORD binmode
;
254 extern char _data_start__
, _data_end__
, _bss_start__
, _bss_end__
;
255 extern void (*__CTOR_LIST__
) (void);
256 extern void (*__DTOR_LIST__
) (void);
257 extern SYSTEM_INFO system_info
;
260 /*************************** Unsorted ******************************/
262 #define WM_ASYNCIO 0x8000 // WM_APP
264 /* Note that MAX_PATH is defined in the windows headers */
265 /* There is also PATH_MAX and MAXPATHLEN.
266 PATH_MAX is from Posix and does *not* include the trailing NUL.
267 MAXPATHLEN is from Unix.
269 Thou shalt use MAX_PATH throughout. It avoids the NUL vs no-NUL
270 issue and is neither of the Unixy ones [so we can punt on which
271 one is the right one to use]. */
273 #define STD_RBITS (S_IRUSR | S_IRGRP | S_IROTH)
274 #define STD_WBITS (S_IWUSR)
275 #define STD_XBITS (S_IXUSR | S_IXGRP | S_IXOTH)
276 #define NO_W ~(S_IWUSR | S_IWGRP | S_IWOTH)
277 #define NO_R ~(S_IRUSR | S_IRGRP | S_IROTH)
278 #define NO_X ~(S_IXUSR | S_IXGRP | S_IXOTH)
280 /* The title on program start. */
281 extern char *old_title
;
282 extern BOOL display_title
;
284 extern HANDLE hMainThread
;
285 extern HANDLE hMainProc
;
287 extern bool cygwin_testing
;
288 extern unsigned _cygwin_testing_magic
;
289 extern HMODULE cygwin_hmodule
;
291 extern char almost_null
[];
293 #define winsock2_active (wsadata.wVersion >= 512)
294 #define winsock_active (wsadata.wVersion < 512)
295 extern struct WSAData wsadata
;
297 #endif /* defined __cplusplus */