mingw: support waitpid with pid > 0 and WNOHANG
[git/dscho.git] / compat / mingw.h
blob379d7bff2cf35ad0829dbf7a0a5cc27986d7578c
1 #include <winsock2.h>
2 #include <ws2tcpip.h>
4 /*
5 * things that are not available in header files
6 */
8 typedef int pid_t;
9 typedef int uid_t;
10 typedef int socklen_t;
11 #define hstrerror strerror
13 #define S_IFLNK 0120000 /* Symbolic link */
14 #define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
15 #define S_ISSOCK(x) 0
17 #ifndef _STAT_H_
18 #define S_IRUSR 0
19 #define S_IWUSR 0
20 #define S_IXUSR 0
21 #define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
22 #endif
23 #define S_IRGRP 0
24 #define S_IWGRP 0
25 #define S_IXGRP 0
26 #define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
27 #define S_IROTH 0
28 #define S_IWOTH 0
29 #define S_IXOTH 0
30 #define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
31 #define S_ISUID 0
32 #define S_ISGID 0
33 #define S_ISVTX 0
35 #define WIFEXITED(x) 1
36 #define WIFSIGNALED(x) 0
37 #define WEXITSTATUS(x) ((x) & 0xff)
38 #define WTERMSIG(x) SIGTERM
40 #define SIGHUP 1
41 #define SIGQUIT 3
42 #define SIGKILL 9
43 #define SIGPIPE 13
44 #define SIGALRM 14
45 #define SIGCHLD 17
47 #define F_GETFD 1
48 #define F_SETFD 2
49 #define FD_CLOEXEC 0x1
51 #define EAFNOSUPPORT WSAEAFNOSUPPORT
52 #define ECONNABORTED WSAECONNABORTED
54 struct passwd {
55 char *pw_name;
56 char *pw_gecos;
57 char *pw_dir;
60 extern char *getpass(const char *prompt);
62 #ifndef POLLIN
63 struct pollfd {
64 int fd; /* file descriptor */
65 short events; /* requested events */
66 short revents; /* returned events */
68 #define POLLIN 1
69 #define POLLHUP 2
70 #endif
72 typedef void (__cdecl *sig_handler_t)(int);
73 struct sigaction {
74 sig_handler_t sa_handler;
75 unsigned sa_flags;
77 #define sigemptyset(x) (void)0
78 #define SA_RESTART 0
80 struct itimerval {
81 struct timeval it_value, it_interval;
83 #define ITIMER_REAL 0
86 * sanitize preprocessor namespace polluted by Windows headers defining
87 * macros which collide with git local versions
89 #undef HELP_COMMAND /* from winuser.h */
92 * trivial stubs
95 static inline int readlink(const char *path, char *buf, size_t bufsiz)
96 { errno = ENOSYS; return -1; }
97 static inline int symlink(const char *oldpath, const char *newpath)
98 { errno = ENOSYS; return -1; }
99 static inline int fchmod(int fildes, mode_t mode)
100 { errno = ENOSYS; return -1; }
101 static inline pid_t fork(void)
102 { errno = ENOSYS; return -1; }
103 static inline unsigned int alarm(unsigned int seconds)
104 { return 0; }
105 static inline int fsync(int fd)
106 { return _commit(fd); }
107 static inline pid_t getppid(void)
108 { return 1; }
109 static inline void sync(void)
111 static inline uid_t getuid(void)
112 { return 1; }
113 static inline struct passwd *getpwnam(const char *name)
114 { return NULL; }
115 static inline int fcntl(int fd, int cmd, ...)
117 if (cmd == F_GETFD || cmd == F_SETFD)
118 return 0;
119 errno = EINVAL;
120 return -1;
122 /* bash cannot reliably detect negative return codes as failure */
123 #define exit(code) exit((code) & 0xff)
126 * simple adaptors
129 static inline int mingw_mkdir(const char *path, int mode)
131 return mkdir(path);
133 #define mkdir mingw_mkdir
135 static inline int mingw_unlink(const char *pathname)
137 /* read-only files cannot be removed */
138 chmod(pathname, 0666);
139 return unlink(pathname);
141 #define unlink mingw_unlink
143 #define WNOHANG 1
144 pid_t waitpid(pid_t pid, int *status, unsigned options);
146 #ifndef NO_OPENSSL
147 #include <openssl/ssl.h>
148 static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
150 return SSL_set_fd(ssl, _get_osfhandle(fd));
152 #define SSL_set_fd mingw_SSL_set_fd
154 static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
156 return SSL_set_rfd(ssl, _get_osfhandle(fd));
158 #define SSL_set_rfd mingw_SSL_set_rfd
160 static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
162 return SSL_set_wfd(ssl, _get_osfhandle(fd));
164 #define SSL_set_wfd mingw_SSL_set_wfd
165 #endif
168 * implementations of missing functions
171 int pipe(int filedes[2]);
172 unsigned int sleep (unsigned int seconds);
173 int mkstemp(char *template);
174 int gettimeofday(struct timeval *tv, void *tz);
175 int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
176 struct tm *gmtime_r(const time_t *timep, struct tm *result);
177 struct tm *localtime_r(const time_t *timep, struct tm *result);
178 int getpagesize(void); /* defined in MinGW's libgcc.a */
179 struct passwd *getpwuid(uid_t uid);
180 int setitimer(int type, struct itimerval *in, struct itimerval *out);
181 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
182 int link(const char *oldpath, const char *newpath);
185 * replacements of existing functions
188 int mingw_open (const char *filename, int oflags, ...);
189 #define open mingw_open
191 ssize_t mingw_write(int fd, const void *buf, size_t count);
192 #define write mingw_write
194 FILE *mingw_fopen (const char *filename, const char *otype);
195 #define fopen mingw_fopen
197 FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
198 #define freopen mingw_freopen
200 char *mingw_getcwd(char *pointer, int len);
201 #define getcwd mingw_getcwd
203 char *mingw_getenv(const char *name);
204 #define getenv mingw_getenv
206 struct hostent *mingw_gethostbyname(const char *host);
207 #define gethostbyname mingw_gethostbyname
209 void mingw_freeaddrinfo(struct addrinfo *res);
210 #define freeaddrinfo mingw_freeaddrinfo
212 int mingw_getaddrinfo(const char *node, const char *service,
213 const struct addrinfo *hints, struct addrinfo **res);
214 #define getaddrinfo mingw_getaddrinfo
216 int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
217 char *host, DWORD hostlen, char *serv, DWORD servlen,
218 int flags);
219 #define getnameinfo mingw_getnameinfo
221 int mingw_socket(int domain, int type, int protocol);
222 #define socket mingw_socket
224 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
225 #define connect mingw_connect
227 int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
228 #define bind mingw_bind
230 int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
231 #define setsockopt mingw_setsockopt
233 int mingw_listen(int sockfd, int backlog);
234 #define listen mingw_listen
236 int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
237 #define accept mingw_accept
239 int mingw_rename(const char*, const char*);
240 #define rename mingw_rename
242 #if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
243 int mingw_getpagesize(void);
244 #define getpagesize mingw_getpagesize
245 #endif
247 /* Use mingw_lstat() instead of lstat()/stat() and
248 * mingw_fstat() instead of fstat() on Windows.
250 #define off_t off64_t
251 #define lseek _lseeki64
252 #ifndef ALREADY_DECLARED_STAT_FUNCS
253 #define stat _stati64
254 int mingw_lstat(const char *file_name, struct stat *buf);
255 int mingw_stat(const char *file_name, struct stat *buf);
256 int mingw_fstat(int fd, struct stat *buf);
257 #define fstat mingw_fstat
258 #define lstat mingw_lstat
259 #define _stati64(x,y) mingw_stat(x,y)
260 #endif
262 int mingw_utime(const char *file_name, const struct utimbuf *times);
263 #define utime mingw_utime
265 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
266 const char *dir,
267 int fhin, int fhout, int fherr);
268 void mingw_execvp(const char *cmd, char *const *argv);
269 #define execvp mingw_execvp
270 void mingw_execv(const char *cmd, char *const *argv);
271 #define execv mingw_execv
273 static inline unsigned int git_ntohl(unsigned int x)
274 { return (unsigned int)ntohl(x); }
275 #define ntohl git_ntohl
277 sig_handler_t mingw_signal(int sig, sig_handler_t handler);
278 #define signal mingw_signal
281 * ANSI emulation wrappers
284 int winansi_fputs(const char *str, FILE *stream);
285 int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
286 int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
287 #define fputs winansi_fputs
288 #define printf(...) winansi_printf(__VA_ARGS__)
289 #define fprintf(...) winansi_fprintf(__VA_ARGS__)
292 * git specific compatibility
295 #define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
296 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
297 #define PATH_SEP ';'
298 #define PRIuMAX "I64u"
300 void mingw_open_html(const char *path);
301 #define open_html mingw_open_html
304 * helpers
307 char **make_augmented_environ(const char *const *vars);
308 void free_environ(char **env);
311 * A replacement of main() that ensures that argv[0] has a path
312 * and that default fmode and std(in|out|err) are in binary mode
315 #define main(c,v) dummy_decl_mingw_main(); \
316 static int mingw_main(); \
317 int main(int argc, const char **argv) \
319 extern CRITICAL_SECTION pinfo_cs; \
320 _fmode = _O_BINARY; \
321 _setmode(_fileno(stdin), _O_BINARY); \
322 _setmode(_fileno(stdout), _O_BINARY); \
323 _setmode(_fileno(stderr), _O_BINARY); \
324 argv[0] = xstrdup(_pgmptr); \
325 InitializeCriticalSection(&pinfo_cs); \
326 return mingw_main(argc, argv); \
328 static int mingw_main(c,v)
330 #ifndef NO_MINGW_REPLACE_READDIR
332 * A replacement of readdir, to ensure that it reads the file type at
333 * the same time. This avoid extra unneeded lstats in git on MinGW
335 #undef DT_UNKNOWN
336 #undef DT_DIR
337 #undef DT_REG
338 #undef DT_LNK
339 #define DT_UNKNOWN 0
340 #define DT_DIR 1
341 #define DT_REG 2
342 #define DT_LNK 3
344 struct mingw_dirent
346 long d_ino; /* Always zero. */
347 union {
348 unsigned short d_reclen; /* Always zero. */
349 unsigned char d_type; /* Reimplementation adds this */
351 unsigned short d_namlen; /* Length of name in d_name. */
352 char d_name[FILENAME_MAX]; /* File name. */
354 #define dirent mingw_dirent
355 #define readdir(x) mingw_readdir(x)
356 struct dirent *mingw_readdir(DIR *dir);
357 #endif // !NO_MINGW_REPLACE_READDIR
360 * Used by Pthread API implementation for Windows
362 extern int err_win_to_posix(DWORD winerr);