1 #include "../git-compat-util.h"
5 #include "../run-command.h"
7 static const int delay[] = { 0, 1, 10, 20, 40 };
9 int err_win_to_posix(DWORD winerr)
13 case ERROR_ACCESS_DENIED: error = EACCES; break;
14 case ERROR_ACCOUNT_DISABLED: error = EACCES; break;
15 case ERROR_ACCOUNT_RESTRICTION: error = EACCES; break;
16 case ERROR_ALREADY_ASSIGNED: error = EBUSY; break;
17 case ERROR_ALREADY_EXISTS: error = EEXIST; break;
18 case ERROR_ARITHMETIC_OVERFLOW: error = ERANGE; break;
19 case ERROR_BAD_COMMAND: error = EIO; break;
20 case ERROR_BAD_DEVICE: error = ENODEV; break;
21 case ERROR_BAD_DRIVER_LEVEL: error = ENXIO; break;
22 case ERROR_BAD_EXE_FORMAT: error = ENOEXEC; break;
23 case ERROR_BAD_FORMAT: error = ENOEXEC; break;
24 case ERROR_BAD_LENGTH: error = EINVAL; break;
25 case ERROR_BAD_PATHNAME: error = ENOENT; break;
26 case ERROR_BAD_PIPE: error = EPIPE; break;
27 case ERROR_BAD_UNIT: error = ENODEV; break;
28 case ERROR_BAD_USERNAME: error = EINVAL; break;
29 case ERROR_BROKEN_PIPE: error = EPIPE; break;
30 case ERROR_BUFFER_OVERFLOW: error = ENAMETOOLONG; break;
31 case ERROR_BUSY: error = EBUSY; break;
32 case ERROR_BUSY_DRIVE: error = EBUSY; break;
33 case ERROR_CALL_NOT_IMPLEMENTED: error = ENOSYS; break;
34 case ERROR_CANNOT_MAKE: error = EACCES; break;
35 case ERROR_CANTOPEN: error = EIO; break;
36 case ERROR_CANTREAD: error = EIO; break;
37 case ERROR_CANTWRITE: error = EIO; break;
38 case ERROR_CRC: error = EIO; break;
39 case ERROR_CURRENT_DIRECTORY: error = EACCES; break;
40 case ERROR_DEVICE_IN_USE: error = EBUSY; break;
41 case ERROR_DEV_NOT_EXIST: error = ENODEV; break;
42 case ERROR_DIRECTORY: error = EINVAL; break;
43 case ERROR_DIR_NOT_EMPTY: error = ENOTEMPTY; break;
44 case ERROR_DISK_CHANGE: error = EIO; break;
45 case ERROR_DISK_FULL: error = ENOSPC; break;
46 case ERROR_DRIVE_LOCKED: error = EBUSY; break;
47 case ERROR_ENVVAR_NOT_FOUND: error = EINVAL; break;
48 case ERROR_EXE_MARKED_INVALID: error = ENOEXEC; break;
49 case ERROR_FILENAME_EXCED_RANGE: error = ENAMETOOLONG; break;
50 case ERROR_FILE_EXISTS: error = EEXIST; break;
51 case ERROR_FILE_INVALID: error = ENODEV; break;
52 case ERROR_FILE_NOT_FOUND: error = ENOENT; break;
53 case ERROR_GEN_FAILURE: error = EIO; break;
54 case ERROR_HANDLE_DISK_FULL: error = ENOSPC; break;
55 case ERROR_INSUFFICIENT_BUFFER: error = ENOMEM; break;
56 case ERROR_INVALID_ACCESS: error = EACCES; break;
57 case ERROR_INVALID_ADDRESS: error = EFAULT; break;
58 case ERROR_INVALID_BLOCK: error = EFAULT; break;
59 case ERROR_INVALID_DATA: error = EINVAL; break;
60 case ERROR_INVALID_DRIVE: error = ENODEV; break;
61 case ERROR_INVALID_EXE_SIGNATURE: error = ENOEXEC; break;
62 case ERROR_INVALID_FLAGS: error = EINVAL; break;
63 case ERROR_INVALID_FUNCTION: error = ENOSYS; break;
64 case ERROR_INVALID_HANDLE: error = EBADF; break;
65 case ERROR_INVALID_LOGON_HOURS: error = EACCES; break;
66 case ERROR_INVALID_NAME: error = EINVAL; break;
67 case ERROR_INVALID_OWNER: error = EINVAL; break;
68 case ERROR_INVALID_PARAMETER: error = EINVAL; break;
69 case ERROR_INVALID_PASSWORD: error = EPERM; break;
70 case ERROR_INVALID_PRIMARY_GROUP: error = EINVAL; break;
71 case ERROR_INVALID_SIGNAL_NUMBER: error = EINVAL; break;
72 case ERROR_INVALID_TARGET_HANDLE: error = EIO; break;
73 case ERROR_INVALID_WORKSTATION: error = EACCES; break;
74 case ERROR_IO_DEVICE: error = EIO; break;
75 case ERROR_IO_INCOMPLETE: error = EINTR; break;
76 case ERROR_LOCKED: error = EBUSY; break;
77 case ERROR_LOCK_VIOLATION: error = EACCES; break;
78 case ERROR_LOGON_FAILURE: error = EACCES; break;
79 case ERROR_MAPPED_ALIGNMENT: error = EINVAL; break;
80 case ERROR_META_EXPANSION_TOO_LONG: error = E2BIG; break;
81 case ERROR_MORE_DATA: error = EPIPE; break;
82 case ERROR_NEGATIVE_SEEK: error = ESPIPE; break;
83 case ERROR_NOACCESS: error = EFAULT; break;
84 case ERROR_NONE_MAPPED: error = EINVAL; break;
85 case ERROR_NOT_ENOUGH_MEMORY: error = ENOMEM; break;
86 case ERROR_NOT_READY: error = EAGAIN; break;
87 case ERROR_NOT_SAME_DEVICE: error = EXDEV; break;
88 case ERROR_NO_DATA: error = EPIPE; break;
89 case ERROR_NO_MORE_SEARCH_HANDLES: error = EIO; break;
90 case ERROR_NO_PROC_SLOTS: error = EAGAIN; break;
91 case ERROR_NO_SUCH_PRIVILEGE: error = EACCES; break;
92 case ERROR_OPEN_FAILED: error = EIO; break;
93 case ERROR_OPEN_FILES: error = EBUSY; break;
94 case ERROR_OPERATION_ABORTED: error = EINTR; break;
95 case ERROR_OUTOFMEMORY: error = ENOMEM; break;
96 case ERROR_PASSWORD_EXPIRED: error = EACCES; break;
97 case ERROR_PATH_BUSY: error = EBUSY; break;
98 case ERROR_PATH_NOT_FOUND: error = ENOENT; break;
99 case ERROR_PIPE_BUSY: error = EBUSY; break;
100 case ERROR_PIPE_CONNECTED: error = EPIPE; break;
101 case ERROR_PIPE_LISTENING: error = EPIPE; break;
102 case ERROR_PIPE_NOT_CONNECTED: error = EPIPE; break;
103 case ERROR_PRIVILEGE_NOT_HELD: error = EACCES; break;
104 case ERROR_READ_FAULT: error = EIO; break;
105 case ERROR_SEEK: error = EIO; break;
106 case ERROR_SEEK_ON_DEVICE: error = ESPIPE; break;
107 case ERROR_SHARING_BUFFER_EXCEEDED: error = ENFILE; break;
108 case ERROR_SHARING_VIOLATION: error = EACCES; break;
109 case ERROR_STACK_OVERFLOW: error = ENOMEM; break;
110 case ERROR_SWAPERROR: error = ENOENT; break;
111 case ERROR_TOO_MANY_MODULES: error = EMFILE; break;
112 case ERROR_TOO_MANY_OPEN_FILES: error = EMFILE; break;
113 case ERROR_UNRECOGNIZED_MEDIA: error = ENXIO; break;
114 case ERROR_UNRECOGNIZED_VOLUME: error = ENODEV; break;
115 case ERROR_WAIT_NO_CHILDREN: error = ECHILD; break;
116 case ERROR_WRITE_FAULT: error = EIO; break;
117 case ERROR_WRITE_PROTECT: error = EROFS; break;
122 static inline int is_file_in_use_error(DWORD errcode)
125 case ERROR_SHARING_VIOLATION:
126 case ERROR_ACCESS_DENIED:
133 static int read_yes_no_answer(void)
137 if (fgets(answer, sizeof(answer), stdin)) {
138 size_t answer_len = strlen(answer);
139 int got_full_line = 0, c;
141 /* remove the newline */
142 if (answer_len >= 2 && answer[answer_len-2] == '\r') {
143 answer[answer_len-2] = '\0';
145 } else if (answer_len >= 1 && answer[answer_len-1] == '\n') {
146 answer[answer_len-1] = '\0';
149 /* flush the buffer in case we did not get the full line */
151 while ((c = getchar()) != EOF && c != '\n')
154 /* we could not read, return the
155 * default answer which is no */
158 if (tolower(answer[0]) == 'y' && !answer[1])
160 if (!strncasecmp(answer, "yes", sizeof(answer)))
162 if (tolower(answer[0]) == 'n' && !answer[1])
164 if (!strncasecmp(answer, "no", sizeof(answer)))
167 /* did not find an answer we understand */
171 static int ask_yes_no_if_possible(const char *format, ...)
174 const char *retry_hook[] = { NULL, NULL, NULL };
177 va_start(args, format);
178 vsnprintf(question, sizeof(question), format, args);
181 if ((retry_hook[0] = mingw_getenv("GIT_ASK_YESNO"))) {
182 retry_hook[1] = question;
183 return !run_command_v_opt(retry_hook, 0);
186 if (!isatty(_fileno(stdin)) || !isatty(_fileno(stderr)))
191 fprintf(stderr, "%s (y/n) ", question);
193 if ((answer = read_yes_no_answer()) >= 0)
196 fprintf(stderr, "Sorry, I did not understand your answer. "
197 "Please type 'y' or 'n'\n");
202 int mingw_unlink(const char *pathname)
206 /* read-only files cannot be removed */
207 chmod(pathname, 0666);
208 while ((ret = unlink(pathname)) == -1 && tries < ARRAY_SIZE(delay)) {
209 if (!is_file_in_use_error(GetLastError()))
212 * We assume that some other process had the source or
213 * destination file open at the wrong moment and retry.
214 * In order to give the other process a higher chance to
215 * complete its operation, we give up our time slice now.
216 * If we have to retry again, we do sleep a bit.
221 while (ret == -1 && is_file_in_use_error(GetLastError()) &&
222 ask_yes_no_if_possible("Unlink of file '%s' failed. "
223 "Should I try again?", pathname))
224 ret = unlink(pathname);
228 static int is_dir_empty(const char *path)
230 struct strbuf buf = STRBUF_INIT;
231 WIN32_FIND_DATAA findbuf;
234 strbuf_addf(&buf, "%s\\*", path);
235 handle = FindFirstFileA(buf.buf, &findbuf);
236 if (handle == INVALID_HANDLE_VALUE) {
237 strbuf_release(&buf);
238 return GetLastError() == ERROR_NO_MORE_FILES;
241 while (!strcmp(findbuf.cFileName, ".") ||
242 !strcmp(findbuf.cFileName, ".."))
243 if (!FindNextFile(handle, &findbuf)) {
244 strbuf_release(&buf);
245 return GetLastError() == ERROR_NO_MORE_FILES;
248 strbuf_release(&buf);
253 int mingw_rmdir(const char *pathname)
257 while ((ret = rmdir(pathname)) == -1 && tries < ARRAY_SIZE(delay)) {
258 if (!is_file_in_use_error(GetLastError()))
259 errno = err_win_to_posix(GetLastError());
262 if (!is_dir_empty(pathname)) {
267 * We assume that some other process had the source or
268 * destination file open at the wrong moment and retry.
269 * In order to give the other process a higher chance to
270 * complete its operation, we give up our time slice now.
271 * If we have to retry again, we do sleep a bit.
276 while (ret == -1 && errno == EACCES && is_file_in_use_error(GetLastError()) &&
277 ask_yes_no_if_possible("Deletion of directory '%s' failed. "
278 "Should I try again?", pathname))
279 ret = rmdir(pathname);
284 int mingw_open (const char *filename, int oflags, ...)
290 va_start(args, oflags);
291 mode = va_arg(args, int);
294 if (filename && !strcmp(filename, "/dev/null"))
297 fd = open(filename, oflags, mode);
299 if (fd < 0 && (oflags & O_CREAT) && errno == EACCES) {
300 DWORD attrs = GetFileAttributes(filename);
301 if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY))
308 ssize_t mingw_write(int fd, const void *buf, size_t count)
311 * While write() calls to a file on a local disk are translated
312 * into WriteFile() calls with a maximum size of 64KB on Windows
313 * XP and 256KB on Vista, no such cap is placed on writes to
314 * files over the network on Windows XP. Unfortunately, there
315 * seems to be a limit of 32MB-28KB on X64 and 64MB-32KB on x86;
316 * bigger writes fail on Windows XP.
317 * So we cap to a nice 31MB here to avoid write failures over
318 * the net without changing the number of WriteFile() calls in
321 return write(fd, buf, min(count, 31 * 1024 * 1024));
324 static BOOL WINAPI ctrl_ignore(DWORD type)
330 int mingw_fgetc(FILE *stream)
333 if (!isatty(_fileno(stream)))
334 return fgetc(stream);
336 SetConsoleCtrlHandler(ctrl_ignore, TRUE);
339 if (ch != EOF || GetLastError() != ERROR_OPERATION_ABORTED)
342 /* Ctrl+C was pressed, simulate SIGINT and retry */
345 SetConsoleCtrlHandler(ctrl_ignore, FALSE);
350 FILE *mingw_fopen (const char *filename, const char *otype)
352 if (filename && !strcmp(filename, "/dev/null"))
354 return fopen(filename, otype);
358 FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream)
360 if (filename && !strcmp(filename, "/dev/null"))
362 return freopen(filename, otype, stream);
366 int mingw_fflush(FILE *stream)
368 int ret = fflush(stream);
371 * write() is used behind the scenes of stdio output functions.
372 * Since git code does not check for errors after each stdio write
373 * operation, it can happen that write() is called by a later
374 * stdio function even if an earlier write() call failed. In the
375 * case of a pipe whose readable end was closed, only the first
376 * call to write() reports EPIPE on Windows. Subsequent write()
377 * calls report EINVAL. It is impossible to notice whether this
378 * fflush invocation triggered such a case, therefore, we have to
379 * catch all EINVAL errors whole-sale.
381 if (ret && errno == EINVAL)
388 * The unit of FILETIME is 100-nanoseconds since January 1, 1601, UTC.
389 * Returns the 100-nanoseconds ("hekto nanoseconds") since the epoch.
391 static inline long long filetime_to_hnsec(const FILETIME *ft)
393 long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime;
394 /* Windows to Unix Epoch conversion */
395 return winTime - 116444736000000000LL;
398 static inline time_t filetime_to_time_t(const FILETIME *ft)
400 return (time_t)(filetime_to_hnsec(ft) / 10000000);
403 /* We keep the do_lstat code in a separate function to avoid recursion.
404 * When a path ends with a slash, the stat will fail with ENOENT. In
405 * this case, we strip the trailing slashes and stat again.
407 * If follow is true then act like stat() and report on the link
408 * target. Otherwise report on the link itself.
410 static int do_lstat(int follow, const char *file_name, struct stat *buf)
413 WIN32_FILE_ATTRIBUTE_DATA fdata;
415 if (!(err = get_file_attr(file_name, &fdata))) {
420 buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
421 buf->st_size = fdata.nFileSizeLow |
422 (((off_t)fdata.nFileSizeHigh)<<32);
423 buf->st_dev = buf->st_rdev = 0; /* not used by Git */
424 buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
425 buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
426 buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
427 if (fdata.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
428 WIN32_FIND_DATAA findbuf;
429 HANDLE handle = FindFirstFileA(file_name, &findbuf);
430 if (handle != INVALID_HANDLE_VALUE) {
431 if ((findbuf.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
432 (findbuf.dwReserved0 == IO_REPARSE_TAG_SYMLINK)) {
434 char buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
435 buf->st_size = readlink(file_name, buffer, MAXIMUM_REPARSE_DATA_BUFFER_SIZE);
437 buf->st_mode = S_IFLNK;
439 buf->st_mode |= S_IREAD;
440 if (!(findbuf.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
441 buf->st_mode |= S_IWRITE;
452 /* We provide our own lstat/fstat functions, since the provided
453 * lstat/fstat functions are so slow. These stat functions are
454 * tailored for Git's usage (read: fast), and are not meant to be
455 * complete. Note that Git stat()s are redirected to mingw_lstat()
456 * too, since Windows doesn't really handle symlinks that well.
458 static int do_stat_internal(int follow, const char *file_name, struct stat *buf)
461 static char alt_name[PATH_MAX];
463 if (!do_lstat(follow, file_name, buf))
466 /* if file_name ended in a '/', Windows returned ENOENT;
467 * try again without trailing slashes
472 namelen = strlen(file_name);
473 if (namelen && file_name[namelen-1] != '/')
475 while (namelen && file_name[namelen-1] == '/')
477 if (!namelen || namelen >= PATH_MAX)
480 memcpy(alt_name, file_name, namelen);
481 alt_name[namelen] = 0;
482 return do_lstat(follow, alt_name, buf);
485 int mingw_lstat(const char *file_name, struct stat *buf)
487 return do_stat_internal(0, file_name, buf);
489 int mingw_stat(const char *file_name, struct stat *buf)
491 return do_stat_internal(1, file_name, buf);
494 int mingw_fstat(int fd, struct stat *buf)
496 HANDLE fh = (HANDLE)_get_osfhandle(fd);
497 BY_HANDLE_FILE_INFORMATION fdata;
499 if (fh == INVALID_HANDLE_VALUE) {
503 /* direct non-file handles to MS's fstat() */
504 if (GetFileType(fh) != FILE_TYPE_DISK)
505 return _fstati64(fd, buf);
507 if (GetFileInformationByHandle(fh, &fdata)) {
512 buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
513 buf->st_size = fdata.nFileSizeLow |
514 (((off_t)fdata.nFileSizeHigh)<<32);
515 buf->st_dev = buf->st_rdev = 0; /* not used by Git */
516 buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
517 buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
518 buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
525 static inline void time_t_to_filetime(time_t t, FILETIME *ft)
527 long long winTime = t * 10000000LL + 116444736000000000LL;
528 ft->dwLowDateTime = winTime;
529 ft->dwHighDateTime = winTime >> 32;
532 int mingw_utime (const char *file_name, const struct utimbuf *times)
537 /* must have write permission */
538 DWORD attrs = GetFileAttributes(file_name);
539 if (attrs != INVALID_FILE_ATTRIBUTES &&
540 (attrs & FILE_ATTRIBUTE_READONLY)) {
541 /* ignore errors here; open() will report them */
542 SetFileAttributes(file_name, attrs & ~FILE_ATTRIBUTE_READONLY);
545 if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0) {
551 time_t_to_filetime(times->modtime, &mft);
552 time_t_to_filetime(times->actime, &aft);
554 GetSystemTimeAsFileTime(&mft);
557 if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
565 if (attrs != INVALID_FILE_ATTRIBUTES &&
566 (attrs & FILE_ATTRIBUTE_READONLY)) {
567 /* ignore errors again */
568 SetFileAttributes(file_name, attrs);
573 unsigned int sleep (unsigned int seconds)
579 int mkstemp(char *template)
581 char *filename = mktemp(template);
582 if (filename == NULL)
584 return open(filename, O_RDWR | O_CREAT, 0600);
587 int gettimeofday(struct timeval *tv, void *tz)
592 GetSystemTimeAsFileTime(&ft);
593 hnsec = filetime_to_hnsec(&ft);
594 tv->tv_sec = hnsec / 10000000;
595 tv->tv_usec = (hnsec % 10000000) / 10;
599 int pipe(int filedes[2])
603 /* this creates non-inheritable handles */
604 if (!CreatePipe(&h[0], &h[1], NULL, 8192)) {
605 errno = err_win_to_posix(GetLastError());
608 filedes[0] = _open_osfhandle((int)h[0], O_NOINHERIT);
609 if (filedes[0] < 0) {
614 filedes[1] = _open_osfhandle((int)h[1], O_NOINHERIT);
615 if (filedes[0] < 0) {
623 struct tm *gmtime_r(const time_t *timep, struct tm *result)
625 /* gmtime() in MSVCRT.DLL is thread-safe, but not reentrant */
626 memcpy(result, gmtime(timep), sizeof(struct tm));
630 struct tm *localtime_r(const time_t *timep, struct tm *result)
632 /* localtime() in MSVCRT.DLL is thread-safe, but not reentrant */
633 memcpy(result, localtime(timep), sizeof(struct tm));
638 char *mingw_getcwd(char *pointer, int len)
641 char *ret = getcwd(pointer, len);
644 for (i = 0; pointer[i]; i++)
645 if (pointer[i] == '\\')
651 * See http://msdn2.microsoft.com/en-us/library/17w5ykft(vs.71).aspx
652 * (Parsing C++ Command-Line Arguments)
654 static const char *quote_arg(const char *arg)
656 /* count chars to quote */
658 int force_quotes = 0;
661 if (!*p) force_quotes = 1;
663 if (isspace(*p) || *p == '*' || *p == '?' || *p == '{' || *p == '\'')
667 else if (*p == '\\') {
681 if (!force_quotes && n == 0)
684 /* insert \ where necessary */
685 d = q = xmalloc(len+n+3);
690 else if (*arg == '\\') {
692 while (*arg == '\\') {
709 static const char *parse_interpreter(const char *cmd)
711 static char buf[100];
715 /* don't even try a .exe */
717 if (n >= 4 && !strcasecmp(cmd+n-4, ".exe"))
720 fd = open(cmd, O_RDONLY);
723 n = read(fd, buf, sizeof(buf)-1);
725 if (n < 4) /* at least '#!/x' and not error */
728 if (buf[0] != '#' || buf[1] != '!')
731 p = buf + strcspn(buf, "\r\n");
736 if (!(p = strrchr(buf+2, '/')) && !(p = strrchr(buf+2, '\\')))
739 if ((opt = strchr(p+1, ' ')))
745 * Splits the PATH into parts.
747 static char **get_path_split(void)
749 char *p, **path, *envpath = mingw_getenv("PATH");
752 if (!envpath || !*envpath)
755 envpath = xstrdup(envpath);
761 if (*dir) { /* not earlier, catches series of ; */
768 path = xmalloc((n+1)*sizeof(char *));
773 path[i++] = xstrdup(p);
783 static void free_path_split(char **path)
796 * exe_only means that we only want to detect .exe files, but not scripts
797 * (which do not have an extension)
799 static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_only)
802 snprintf(path, sizeof(path), "%s/%s.exe", dir, cmd);
804 if (!isexe && access(path, F_OK) == 0)
805 return xstrdup(path);
806 path[strlen(path)-4] = '\0';
807 if ((!exe_only || isexe) && access(path, F_OK) == 0)
808 if (!(GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY))
809 return xstrdup(path);
814 * Determines the absolute path of cmd using the split path in path.
815 * If cmd contains a slash or backslash, no lookup is performed.
817 static char *path_lookup(const char *cmd, char **path, int exe_only)
820 int len = strlen(cmd);
821 int isexe = len >= 4 && !strcasecmp(cmd+len-4, ".exe");
823 if (strchr(cmd, '/') || strchr(cmd, '\\'))
826 while (!prog && *path)
827 prog = lookup_prog(*path++, cmd, isexe, exe_only);
832 static int env_compare(const void *a, const void *b)
836 return strcasecmp(*ea, *eb);
840 struct pinfo_t *next;
844 static struct pinfo_t *pinfo = NULL;
845 CRITICAL_SECTION pinfo_cs;
847 static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
849 int prepend_cmd, int fhin, int fhout, int fherr)
852 PROCESS_INFORMATION pi;
853 struct strbuf envblk, args;
857 /* Determine whether or not we are associated to a console */
858 HANDLE cons = CreateFile("CONOUT$", GENERIC_WRITE,
859 FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
860 FILE_ATTRIBUTE_NORMAL, NULL);
861 if (cons == INVALID_HANDLE_VALUE) {
862 /* There is no console associated with this process.
863 * Since the child is a console process, Windows
864 * would normally create a console window. But
865 * since we'll be redirecting std streams, we do
866 * not need the console.
867 * It is necessary to use DETACHED_PROCESS
868 * instead of CREATE_NO_WINDOW to make ssh
869 * recognize that it has no console.
871 flags = DETACHED_PROCESS;
873 /* There is already a console. If we specified
874 * DETACHED_PROCESS here, too, Windows would
875 * disassociate the child from the console.
876 * The same is true for CREATE_NO_WINDOW.
882 memset(&si, 0, sizeof(si));
884 si.dwFlags = STARTF_USESTDHANDLES;
885 si.hStdInput = (HANDLE) _get_osfhandle(fhin);
886 si.hStdOutput = (HANDLE) _get_osfhandle(fhout);
887 si.hStdError = (HANDLE) _get_osfhandle(fherr);
889 /* concatenate argv, quoting args as we go */
890 strbuf_init(&args, 0);
892 char *quoted = (char *)quote_arg(cmd);
893 strbuf_addstr(&args, quoted);
897 for (; *argv; argv++) {
898 char *quoted = (char *)quote_arg(*argv);
900 strbuf_addch(&args, ' ');
901 strbuf_addstr(&args, quoted);
908 char **e, **sorted_env;
910 for (e = env; *e; e++)
913 /* environment must be sorted */
914 sorted_env = xmalloc(sizeof(*sorted_env) * (count + 1));
915 memcpy(sorted_env, env, sizeof(*sorted_env) * (count + 1));
916 qsort(sorted_env, count, sizeof(*sorted_env), env_compare);
918 strbuf_init(&envblk, 0);
919 for (e = sorted_env; *e; e++) {
920 strbuf_addstr(&envblk, *e);
921 strbuf_addch(&envblk, '\0');
926 memset(&pi, 0, sizeof(pi));
927 ret = CreateProcess(cmd, args.buf, NULL, NULL, TRUE, flags,
928 env ? envblk.buf : NULL, dir, &si, &pi);
931 strbuf_release(&envblk);
932 strbuf_release(&args);
938 CloseHandle(pi.hThread);
941 * The process ID is the human-readable identifier of the process
942 * that we want to present in log and error messages. The handle
943 * is not useful for this purpose. But we cannot close it, either,
944 * because it is not possible to turn a process ID into a process
945 * handle after the process terminated.
946 * Keep the handle in a list for waitpid.
948 EnterCriticalSection(&pinfo_cs);
950 struct pinfo_t *info = xmalloc(sizeof(struct pinfo_t));
951 info->pid = pi.dwProcessId;
952 info->proc = pi.hProcess;
956 LeaveCriticalSection(&pinfo_cs);
958 return (pid_t)pi.dwProcessId;
961 static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env,
964 return mingw_spawnve_fd(cmd, argv, env, NULL, prepend_cmd, 0, 1, 2);
967 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
969 int fhin, int fhout, int fherr)
972 char **path = get_path_split();
973 char *prog = path_lookup(cmd, path, 0);
980 const char *interpr = parse_interpreter(prog);
983 const char *argv0 = argv[0];
984 char *iprog = path_lookup(interpr, path, 1);
991 pid = mingw_spawnve_fd(iprog, argv, env, dir, 1,
998 pid = mingw_spawnve_fd(prog, argv, env, dir, 0,
1002 free_path_split(path);
1006 static int try_shell_exec(const char *cmd, char *const *argv, char **env)
1008 const char *interpr = parse_interpreter(cmd);
1015 path = get_path_split();
1016 prog = path_lookup(interpr, path, 1);
1020 while (argv[argc]) argc++;
1021 argv2 = xmalloc(sizeof(*argv) * (argc+1));
1022 argv2[0] = (char *)cmd; /* full path to the script file */
1023 memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc);
1024 pid = mingw_spawnve(prog, argv2, env, 1);
1027 if (waitpid(pid, &status, 0) < 0)
1031 pid = 1; /* indicate that we tried but failed */
1035 free_path_split(path);
1039 static void mingw_execve(const char *cmd, char *const *argv, char *const *env)
1041 /* check if git_command is a shell script */
1042 if (!try_shell_exec(cmd, argv, (char **)env)) {
1045 pid = mingw_spawnve(cmd, (const char **)argv, (char **)env, 0);
1048 if (waitpid(pid, &status, 0) < 0)
1054 int mingw_execvp(const char *cmd, char *const *argv)
1056 char **path = get_path_split();
1057 char *prog = path_lookup(cmd, path, 0);
1060 mingw_execve(prog, argv, environ);
1065 free_path_split(path);
1069 int mingw_execv(const char *cmd, char *const *argv)
1071 mingw_execve(cmd, argv, environ);
1075 int mingw_kill(pid_t pid, int sig)
1077 if (pid > 0 && sig == SIGTERM) {
1078 HANDLE h = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
1080 if (TerminateProcess(h, -1)) {
1085 errno = err_win_to_posix(GetLastError());
1088 } else if (pid > 0 && sig == 0) {
1089 HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
1100 static char **copy_environ(void)
1106 env = xmalloc((i+1)*sizeof(*env));
1107 for (i = 0; environ[i]; i++)
1108 env[i] = xstrdup(environ[i]);
1113 void free_environ(char **env)
1116 for (i = 0; env[i]; i++)
1121 static int lookup_env(char **env, const char *name, size_t nmln)
1125 for (i = 0; env[i]; i++) {
1126 if (0 == strncmp(env[i], name, nmln)
1127 && '=' == env[i][nmln])
1135 * If name contains '=', then sets the variable, otherwise it unsets it
1137 static char **env_setenv(char **env, const char *name)
1139 char *eq = strchrnul(name, '=');
1140 int i = lookup_env(env, name, eq-name);
1144 for (i = 0; env[i]; i++)
1146 env = xrealloc(env, (i+2)*sizeof(*env));
1147 env[i] = xstrdup(name);
1154 env[i] = xstrdup(name);
1163 * Copies global environ and adjusts variables as specified by vars.
1165 char **make_augmented_environ(const char *const *vars)
1167 char **env = copy_environ();
1170 env = env_setenv(env, *vars++);
1177 * The system's getenv looks up the name in a case-insensitive manner.
1178 * This version tries a case-sensitive lookup and falls back to
1179 * case-insensitive if nothing was found. This is necessary because,
1180 * as a prominent example, CMD sets 'Path', but not 'PATH'.
1181 * Warning: not thread-safe.
1183 static char *getenv_cs(const char *name)
1185 size_t len = strlen(name);
1186 int i = lookup_env(environ, name, len);
1188 return environ[i] + len + 1; /* skip past name and '=' */
1189 return getenv(name);
1192 char *mingw_getenv(const char *name)
1194 char *result = getenv_cs(name);
1195 if (!result && !strcmp(name, "TMPDIR")) {
1196 /* on Windows it is TMP and TEMP */
1197 result = getenv_cs("TMP");
1199 result = getenv_cs("TEMP");
1205 * Note, this isn't a complete replacement for getaddrinfo. It assumes
1206 * that service contains a numerical port, or that it is null. It
1207 * does a simple search using gethostbyname, and returns one IPv4 host
1210 static int WSAAPI getaddrinfo_stub(const char *node, const char *service,
1211 const struct addrinfo *hints,
1212 struct addrinfo **res)
1214 struct hostent *h = NULL;
1215 struct addrinfo *ai;
1216 struct sockaddr_in *sin;
1219 h = gethostbyname(node);
1221 return WSAGetLastError();
1224 ai = xmalloc(sizeof(struct addrinfo));
1227 ai->ai_family = AF_INET;
1228 ai->ai_socktype = hints ? hints->ai_socktype : 0;
1229 switch (ai->ai_socktype) {
1231 ai->ai_protocol = IPPROTO_TCP;
1234 ai->ai_protocol = IPPROTO_UDP;
1237 ai->ai_protocol = 0;
1240 ai->ai_addrlen = sizeof(struct sockaddr_in);
1241 if (hints && (hints->ai_flags & AI_CANONNAME))
1242 ai->ai_canonname = h ? xstrdup(h->h_name) : NULL;
1244 ai->ai_canonname = NULL;
1246 sin = xmalloc(ai->ai_addrlen);
1247 memset(sin, 0, ai->ai_addrlen);
1248 sin->sin_family = AF_INET;
1249 /* Note: getaddrinfo is supposed to allow service to be a string,
1250 * which should be looked up using getservbyname. This is
1251 * currently not implemented */
1253 sin->sin_port = htons(atoi(service));
1255 sin->sin_addr = *(struct in_addr *)h->h_addr;
1256 else if (hints && (hints->ai_flags & AI_PASSIVE))
1257 sin->sin_addr.s_addr = INADDR_ANY;
1259 sin->sin_addr.s_addr = INADDR_LOOPBACK;
1260 ai->ai_addr = (struct sockaddr *)sin;
1265 static void WSAAPI freeaddrinfo_stub(struct addrinfo *res)
1267 free(res->ai_canonname);
1272 static int WSAAPI getnameinfo_stub(const struct sockaddr *sa, socklen_t salen,
1273 char *host, DWORD hostlen,
1274 char *serv, DWORD servlen, int flags)
1276 const struct sockaddr_in *sin = (const struct sockaddr_in *)sa;
1277 if (sa->sa_family != AF_INET)
1282 if (host && hostlen > 0) {
1283 struct hostent *ent = NULL;
1284 if (!(flags & NI_NUMERICHOST))
1285 ent = gethostbyaddr((const char *)&sin->sin_addr,
1286 sizeof(sin->sin_addr), AF_INET);
1289 snprintf(host, hostlen, "%s", ent->h_name);
1290 else if (flags & NI_NAMEREQD)
1293 snprintf(host, hostlen, "%s", inet_ntoa(sin->sin_addr));
1296 if (serv && servlen > 0) {
1297 struct servent *ent = NULL;
1298 if (!(flags & NI_NUMERICSERV))
1299 ent = getservbyport(sin->sin_port,
1300 flags & NI_DGRAM ? "udp" : "tcp");
1303 snprintf(serv, servlen, "%s", ent->s_name);
1305 snprintf(serv, servlen, "%d", ntohs(sin->sin_port));
1311 static HMODULE ipv6_dll = NULL;
1312 static void (WSAAPI *ipv6_freeaddrinfo)(struct addrinfo *res);
1313 static int (WSAAPI *ipv6_getaddrinfo)(const char *node, const char *service,
1314 const struct addrinfo *hints,
1315 struct addrinfo **res);
1316 static int (WSAAPI *ipv6_getnameinfo)(const struct sockaddr *sa, socklen_t salen,
1317 char *host, DWORD hostlen,
1318 char *serv, DWORD servlen, int flags);
1320 * gai_strerror is an inline function in the ws2tcpip.h header, so we
1321 * don't need to try to load that one dynamically.
1324 static void socket_cleanup(void)
1328 FreeLibrary(ipv6_dll);
1330 ipv6_freeaddrinfo = freeaddrinfo_stub;
1331 ipv6_getaddrinfo = getaddrinfo_stub;
1332 ipv6_getnameinfo = getnameinfo_stub;
1335 static void ensure_socket_initialization(void)
1338 static int initialized = 0;
1339 const char *libraries[] = { "ws2_32.dll", "wship6.dll", NULL };
1345 if (WSAStartup(MAKEWORD(2,2), &wsa))
1346 die("unable to initialize winsock subsystem, error %d",
1349 for (name = libraries; *name; name++) {
1350 ipv6_dll = LoadLibrary(*name);
1354 ipv6_freeaddrinfo = (void (WSAAPI *)(struct addrinfo *))
1355 GetProcAddress(ipv6_dll, "freeaddrinfo");
1356 ipv6_getaddrinfo = (int (WSAAPI *)(const char *, const char *,
1357 const struct addrinfo *,
1358 struct addrinfo **))
1359 GetProcAddress(ipv6_dll, "getaddrinfo");
1360 ipv6_getnameinfo = (int (WSAAPI *)(const struct sockaddr *,
1361 socklen_t, char *, DWORD,
1362 char *, DWORD, int))
1363 GetProcAddress(ipv6_dll, "getnameinfo");
1364 if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) {
1365 FreeLibrary(ipv6_dll);
1370 if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) {
1371 ipv6_freeaddrinfo = freeaddrinfo_stub;
1372 ipv6_getaddrinfo = getaddrinfo_stub;
1373 ipv6_getnameinfo = getnameinfo_stub;
1376 atexit(socket_cleanup);
1381 int mingw_gethostname(char *name, int namelen)
1383 ensure_socket_initialization();
1384 return gethostname(name, namelen);
1387 #undef gethostbyname
1388 struct hostent *mingw_gethostbyname(const char *host)
1390 ensure_socket_initialization();
1391 return gethostbyname(host);
1394 void mingw_freeaddrinfo(struct addrinfo *res)
1396 ipv6_freeaddrinfo(res);
1399 int mingw_getaddrinfo(const char *node, const char *service,
1400 const struct addrinfo *hints, struct addrinfo **res)
1402 ensure_socket_initialization();
1403 return ipv6_getaddrinfo(node, service, hints, res);
1406 int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
1407 char *host, DWORD hostlen, char *serv, DWORD servlen,
1410 ensure_socket_initialization();
1411 return ipv6_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
1414 int mingw_socket(int domain, int type, int protocol)
1419 ensure_socket_initialization();
1420 s = WSASocket(domain, type, protocol, NULL, 0, 0);
1421 if (s == INVALID_SOCKET) {
1423 * WSAGetLastError() values are regular BSD error codes
1424 * biased by WSABASEERR.
1425 * However, strerror() does not know about networking
1426 * specific errors, which are values beginning at 38 or so.
1427 * Therefore, we choose to leave the biased error code
1428 * in errno so that _if_ someone looks up the code somewhere,
1429 * then it is at least the number that are usually listed.
1431 errno = WSAGetLastError();
1434 /* convert into a file descriptor */
1435 if ((sockfd = _open_osfhandle(s, O_RDWR|O_BINARY)) < 0) {
1437 return error("unable to make a socket file descriptor: %s",
1444 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz)
1446 SOCKET s = (SOCKET)_get_osfhandle(sockfd);
1447 return connect(s, sa, sz);
1451 int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz)
1453 SOCKET s = (SOCKET)_get_osfhandle(sockfd);
1454 return bind(s, sa, sz);
1458 int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen)
1460 SOCKET s = (SOCKET)_get_osfhandle(sockfd);
1461 return setsockopt(s, lvl, optname, (const char*)optval, optlen);
1465 int mingw_shutdown(int sockfd, int how)
1467 SOCKET s = (SOCKET)_get_osfhandle(sockfd);
1468 return shutdown(s, how);
1472 int mingw_listen(int sockfd, int backlog)
1474 SOCKET s = (SOCKET)_get_osfhandle(sockfd);
1475 return listen(s, backlog);
1479 int mingw_accept(int sockfd1, struct sockaddr *sa, socklen_t *sz)
1483 SOCKET s1 = (SOCKET)_get_osfhandle(sockfd1);
1484 SOCKET s2 = accept(s1, sa, sz);
1486 /* convert into a file descriptor */
1487 if ((sockfd2 = _open_osfhandle(s2, O_RDWR|O_BINARY)) < 0) {
1490 return error("unable to make a socket file descriptor: %s",
1497 int mingw_rename(const char *pold, const char *pnew)
1503 * Try native rename() first to get errno right.
1504 * It is based on MoveFile(), which cannot overwrite existing files.
1506 if (!rename(pold, pnew))
1508 if (errno != EEXIST)
1511 if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
1513 /* TODO: translate more errors */
1514 gle = GetLastError();
1515 if (gle == ERROR_ACCESS_DENIED &&
1516 (attrs = GetFileAttributes(pnew)) != INVALID_FILE_ATTRIBUTES) {
1517 if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
1521 if ((attrs & FILE_ATTRIBUTE_READONLY) &&
1522 SetFileAttributes(pnew, attrs & ~FILE_ATTRIBUTE_READONLY)) {
1523 if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
1525 gle = GetLastError();
1526 /* revert file attributes on failure */
1527 SetFileAttributes(pnew, attrs);
1530 if (tries < ARRAY_SIZE(delay) && gle == ERROR_ACCESS_DENIED) {
1532 * We assume that some other process had the source or
1533 * destination file open at the wrong moment and retry.
1534 * In order to give the other process a higher chance to
1535 * complete its operation, we give up our time slice now.
1536 * If we have to retry again, we do sleep a bit.
1538 Sleep(delay[tries]);
1542 if (gle == ERROR_ACCESS_DENIED &&
1543 ask_yes_no_if_possible("Rename from '%s' to '%s' failed. "
1544 "Should I try again?", pold, pnew))
1552 * Note that this doesn't return the actual pagesize, but
1553 * the allocation granularity. If future Windows specific git code
1554 * needs the real getpagesize function, we need to find another solution.
1556 int mingw_getpagesize(void)
1560 return si.dwAllocationGranularity;
1563 struct passwd *getpwuid(int uid)
1565 static char user_name[100];
1566 static struct passwd p;
1568 DWORD len = sizeof(user_name);
1569 if (!GetUserName(user_name, &len))
1571 p.pw_name = user_name;
1572 p.pw_gecos = "unknown";
1577 static HANDLE timer_event;
1578 static HANDLE timer_thread;
1579 static int timer_interval;
1580 static int one_shot;
1581 static sig_handler_t timer_fn = SIG_DFL, sigint_fn = SIG_DFL;
1583 /* The timer works like this:
1584 * The thread, ticktack(), is a trivial routine that most of the time
1585 * only waits to receive the signal to terminate. The main thread tells
1586 * the thread to terminate by setting the timer_event to the signalled
1588 * But ticktack() interrupts the wait state after the timer's interval
1589 * length to call the signal handler.
1592 static unsigned __stdcall ticktack(void *dummy)
1594 while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) {
1595 mingw_raise(SIGALRM);
1602 static int start_timer_thread(void)
1604 timer_event = CreateEvent(NULL, FALSE, FALSE, NULL);
1606 timer_thread = (HANDLE) _beginthreadex(NULL, 0, ticktack, NULL, 0, NULL);
1608 return errno = ENOMEM,
1609 error("cannot start timer thread");
1611 return errno = ENOMEM,
1612 error("cannot allocate resources for timer");
1616 static void stop_timer_thread(void)
1619 SetEvent(timer_event); /* tell thread to terminate */
1621 int rc = WaitForSingleObject(timer_thread, 1000);
1622 if (rc == WAIT_TIMEOUT)
1623 error("timer thread did not terminate timely");
1624 else if (rc != WAIT_OBJECT_0)
1625 error("waiting for timer thread failed: %lu",
1627 CloseHandle(timer_thread);
1630 CloseHandle(timer_event);
1632 timer_thread = NULL;
1635 static inline int is_timeval_eq(const struct timeval *i1, const struct timeval *i2)
1637 return i1->tv_sec == i2->tv_sec && i1->tv_usec == i2->tv_usec;
1640 int setitimer(int type, struct itimerval *in, struct itimerval *out)
1642 static const struct timeval zero;
1643 static int atexit_done;
1646 return errno = EINVAL,
1647 error("setitimer param 3 != NULL not implemented");
1648 if (!is_timeval_eq(&in->it_interval, &zero) &&
1649 !is_timeval_eq(&in->it_interval, &in->it_value))
1650 return errno = EINVAL,
1651 error("setitimer: it_interval must be zero or eq it_value");
1654 stop_timer_thread();
1656 if (is_timeval_eq(&in->it_value, &zero) &&
1657 is_timeval_eq(&in->it_interval, &zero))
1660 timer_interval = in->it_value.tv_sec * 1000 + in->it_value.tv_usec / 1000;
1661 one_shot = is_timeval_eq(&in->it_interval, &zero);
1663 atexit(stop_timer_thread);
1666 return start_timer_thread();
1669 int sigaction(int sig, struct sigaction *in, struct sigaction *out)
1672 return errno = EINVAL,
1673 error("sigaction only implemented for SIGALRM");
1675 return errno = EINVAL,
1676 error("sigaction: param 3 != NULL not implemented");
1678 timer_fn = in->sa_handler;
1683 sig_handler_t mingw_signal(int sig, sig_handler_t handler)
1695 sigint_fn = handler;
1699 return signal(sig, handler);
1706 int mingw_raise(int sig)
1710 if (timer_fn == SIG_DFL) {
1711 if (isatty(STDERR_FILENO))
1712 fputs("Alarm clock\n", stderr);
1713 exit(128 + SIGALRM);
1714 } else if (timer_fn != SIG_IGN)
1719 if (sigint_fn == SIG_DFL)
1721 else if (sigint_fn != SIG_IGN)
1731 static const char *make_backslash_path(const char *path)
1733 static char buf[PATH_MAX + 1];
1736 if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
1737 die("Too long path: %.*s", 60, path);
1739 for (c = buf; *c; c++) {
1746 void mingw_open_html(const char *unixpath)
1748 const char *htmlpath = make_backslash_path(unixpath);
1749 typedef HINSTANCE (WINAPI *T)(HWND, const char *,
1750 const char *, const char *, const char *, INT);
1755 shell32 = LoadLibrary("shell32.dll");
1757 die("cannot load shell32.dll");
1758 ShellExecute = (T)GetProcAddress(shell32, "ShellExecuteA");
1760 die("cannot run browser");
1762 printf("Launching default browser to display HTML ...\n");
1763 r = (int)ShellExecute(NULL, "open", htmlpath, NULL, "\\", SW_SHOWNORMAL);
1764 FreeLibrary(shell32);
1765 /* see the MSDN documentation referring to the result codes here */
1767 die("failed to launch browser for %.*s", MAX_PATH, unixpath);
1771 int link(const char *oldpath, const char *newpath)
1773 typedef BOOL (WINAPI *T)(const char*, const char*, LPSECURITY_ATTRIBUTES);
1774 static T create_hard_link = NULL;
1775 if (!create_hard_link) {
1776 create_hard_link = (T) GetProcAddress(
1777 GetModuleHandle("kernel32.dll"), "CreateHardLinkA");
1778 if (!create_hard_link)
1779 create_hard_link = (T)-1;
1781 if (create_hard_link == (T)-1) {
1785 if (!create_hard_link(newpath, oldpath, NULL)) {
1786 errno = err_win_to_posix(GetLastError());
1792 pid_t waitpid(pid_t pid, int *status, int options)
1794 HANDLE h = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_INFORMATION,
1801 if (pid > 0 && options & WNOHANG) {
1802 if (WAIT_OBJECT_0 != WaitForSingleObject(h, 0)) {
1806 options &= ~WNOHANG;
1810 struct pinfo_t **ppinfo;
1811 if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) {
1817 GetExitCodeProcess(h, (LPDWORD)status);
1819 EnterCriticalSection(&pinfo_cs);
1823 struct pinfo_t *info = *ppinfo;
1824 if (info->pid == pid) {
1825 CloseHandle(info->proc);
1826 *ppinfo = info->next;
1830 ppinfo = &info->next;
1833 LeaveCriticalSection(&pinfo_cs);