Commit | Line | Data |
---|---|---|
9277ec14 BC |
1 | /* This file contains functions which implement those POSIX and Linux functions |
2 | * that MinGW and Microsoft don't provide. The implementations contain just enough | |
3 | * functionality to support fio. | |
4 | */ | |
5 | ||
6 | #include <arpa/inet.h> | |
7 | #include <netinet/in.h> | |
8 | #include <windows.h> | |
9 | #include <stddef.h> | |
ad9c0fbc | 10 | #include <string.h> |
9277ec14 BC |
11 | #include <stdlib.h> |
12 | #include <unistd.h> | |
13 | #include <dirent.h> | |
14 | #include <pthread.h> | |
f16b7405 | 15 | #include <time.h> |
9277ec14 BC |
16 | #include <semaphore.h> |
17 | #include <sys/shm.h> | |
18 | #include <sys/mman.h> | |
19 | #include <sys/uio.h> | |
20 | #include <sys/resource.h> | |
21 | #include <sys/poll.h> | |
70a61165 BC |
22 | #include <sys/wait.h> |
23 | #include <setjmp.h> | |
9277ec14 BC |
24 | |
25 | #include "../os-windows.h" | |
671b0600 | 26 | #include "../../lib/hweight.h" |
9277ec14 | 27 | |
21c75387 BC |
28 | extern unsigned long mtime_since_now(struct timeval *); |
29 | extern void fio_gettime(struct timeval *, void *); | |
30 | ||
ad9c0fbc BC |
31 | /* These aren't defined in the MinGW headers */ |
32 | HRESULT WINAPI StringCchCopyA( | |
33 | char *pszDest, | |
34 | size_t cchDest, | |
35 | const char *pszSrc); | |
36 | ||
37 | HRESULT WINAPI StringCchPrintfA( | |
38 | char *pszDest, | |
39 | size_t cchDest, | |
40 | const char *pszFormat, | |
41 | ...); | |
42 | ||
43 | int vsprintf_s( | |
44 | char *buffer, | |
45 | size_t numberOfElements, | |
46 | const char *format, | |
47 | va_list argptr); | |
48 | ||
10a6b3c6 BC |
49 | int win_to_posix_error(DWORD winerr) |
50 | { | |
51 | switch (winerr) | |
52 | { | |
53 | case ERROR_FILE_NOT_FOUND: return ENOENT; | |
54 | case ERROR_PATH_NOT_FOUND: return ENOENT; | |
55 | case ERROR_ACCESS_DENIED: return EACCES; | |
56 | case ERROR_INVALID_HANDLE: return EBADF; | |
57 | case ERROR_NOT_ENOUGH_MEMORY: return ENOMEM; | |
58 | case ERROR_INVALID_DATA: return EINVAL; | |
59 | case ERROR_OUTOFMEMORY: return ENOMEM; | |
60 | case ERROR_INVALID_DRIVE: return ENODEV; | |
61 | case ERROR_NOT_SAME_DEVICE: return EXDEV; | |
62 | case ERROR_WRITE_PROTECT: return EROFS; | |
63 | case ERROR_BAD_UNIT: return ENODEV; | |
64 | case ERROR_SHARING_VIOLATION: return EACCES; | |
65 | case ERROR_LOCK_VIOLATION: return EACCES; | |
66 | case ERROR_SHARING_BUFFER_EXCEEDED: return ENOLCK; | |
67 | case ERROR_HANDLE_DISK_FULL: return ENOSPC; | |
68 | case ERROR_NOT_SUPPORTED: return ENOSYS; | |
69 | case ERROR_FILE_EXISTS: return EEXIST; | |
70 | case ERROR_CANNOT_MAKE: return EPERM; | |
71 | case ERROR_INVALID_PARAMETER: return EINVAL; | |
72 | case ERROR_NO_PROC_SLOTS: return EAGAIN; | |
73 | case ERROR_BROKEN_PIPE: return EPIPE; | |
74 | case ERROR_OPEN_FAILED: return EIO; | |
75 | case ERROR_NO_MORE_SEARCH_HANDLES: return ENFILE; | |
76 | case ERROR_CALL_NOT_IMPLEMENTED: return ENOSYS; | |
77 | case ERROR_INVALID_NAME: return ENOENT; | |
78 | case ERROR_WAIT_NO_CHILDREN: return ECHILD; | |
79 | case ERROR_CHILD_NOT_COMPLETE: return EBUSY; | |
80 | case ERROR_DIR_NOT_EMPTY: return ENOTEMPTY; | |
81 | case ERROR_SIGNAL_REFUSED: return EIO; | |
82 | case ERROR_BAD_PATHNAME: return ENOENT; | |
83 | case ERROR_SIGNAL_PENDING: return EBUSY; | |
84 | case ERROR_MAX_THRDS_REACHED: return EAGAIN; | |
85 | case ERROR_BUSY: return EBUSY; | |
86 | case ERROR_ALREADY_EXISTS: return EEXIST; | |
87 | case ERROR_NO_SIGNAL_SENT: return EIO; | |
88 | case ERROR_FILENAME_EXCED_RANGE: return EINVAL; | |
89 | case ERROR_META_EXPANSION_TOO_LONG: return EINVAL; | |
90 | case ERROR_INVALID_SIGNAL_NUMBER: return EINVAL; | |
91 | case ERROR_THREAD_1_INACTIVE: return EINVAL; | |
92 | case ERROR_BAD_PIPE: return EINVAL; | |
93 | case ERROR_PIPE_BUSY: return EBUSY; | |
94 | case ERROR_NO_DATA: return EPIPE; | |
95 | case ERROR_MORE_DATA: return EAGAIN; | |
96 | case ERROR_DIRECTORY: return ENOTDIR; | |
97 | case ERROR_PIPE_CONNECTED: return EBUSY; | |
98 | case ERROR_NO_TOKEN: return EINVAL; | |
99 | case ERROR_PROCESS_ABORTED: return EFAULT; | |
100 | case ERROR_BAD_DEVICE: return ENODEV; | |
101 | case ERROR_BAD_USERNAME: return EINVAL; | |
102 | case ERROR_OPEN_FILES: return EAGAIN; | |
103 | case ERROR_ACTIVE_CONNECTIONS: return EAGAIN; | |
104 | case ERROR_DEVICE_IN_USE: return EAGAIN; | |
105 | case ERROR_INVALID_AT_INTERRUPT_TIME: return EINTR; | |
106 | case ERROR_IO_DEVICE: return EIO; | |
107 | case ERROR_NOT_OWNER: return EPERM; | |
108 | case ERROR_END_OF_MEDIA: return ENOSPC; | |
109 | case ERROR_EOM_OVERFLOW: return ENOSPC; | |
110 | case ERROR_BEGINNING_OF_MEDIA: return ESPIPE; | |
111 | case ERROR_SETMARK_DETECTED: return ESPIPE; | |
112 | case ERROR_NO_DATA_DETECTED: return ENOSPC; | |
113 | case ERROR_POSSIBLE_DEADLOCK: return EDEADLOCK; | |
114 | case ERROR_CRC: return EIO; | |
115 | case ERROR_NEGATIVE_SEEK: return EINVAL; | |
116 | case ERROR_DISK_FULL: return ENOSPC; | |
117 | case ERROR_NOACCESS: return EFAULT; | |
118 | case ERROR_FILE_INVALID: return ENXIO; | |
119 | } | |
120 | ||
121 | return winerr; | |
122 | } | |
123 | ||
671b0600 BC |
124 | int GetNumLogicalProcessors(void) |
125 | { | |
126 | SYSTEM_LOGICAL_PROCESSOR_INFORMATION *processor_info = NULL; | |
127 | DWORD len = 0; | |
128 | DWORD num_processors = 0; | |
129 | DWORD error = 0; | |
130 | DWORD i; | |
131 | ||
132 | while (!GetLogicalProcessorInformation(processor_info, &len)) { | |
133 | error = GetLastError(); | |
134 | if (error == ERROR_INSUFFICIENT_BUFFER) | |
135 | processor_info = malloc(len); | |
136 | else { | |
137 | log_err("Error: GetLogicalProcessorInformation failed: %d\n", error); | |
138 | return -1; | |
139 | } | |
140 | ||
141 | if (processor_info == NULL) { | |
142 | log_err("Error: failed to allocate memory for GetLogicalProcessorInformation"); | |
143 | return -1; | |
144 | } | |
145 | } | |
146 | ||
147 | for (i = 0; i < len / sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); i++) | |
148 | { | |
149 | if (processor_info[i].Relationship == RelationProcessorCore) | |
4ee47af0 | 150 | num_processors += hweight64(processor_info[i].ProcessorMask); |
671b0600 BC |
151 | } |
152 | ||
153 | free(processor_info); | |
154 | return num_processors; | |
155 | } | |
156 | ||
9277ec14 BC |
157 | long sysconf(int name) |
158 | { | |
671b0600 | 159 | long val = -1; |
01d26955 | 160 | long val2 = -1; |
9277ec14 BC |
161 | SYSTEM_INFO sysInfo; |
162 | MEMORYSTATUSEX status; | |
163 | ||
164 | switch (name) | |
165 | { | |
166 | case _SC_NPROCESSORS_ONLN: | |
671b0600 BC |
167 | val = GetNumLogicalProcessors(); |
168 | if (val == -1) | |
01d26955 | 169 | log_err("sysconf(_SC_NPROCESSORS_ONLN) failed\n"); |
671b0600 | 170 | |
9277ec14 BC |
171 | break; |
172 | ||
173 | case _SC_PAGESIZE: | |
174 | GetSystemInfo(&sysInfo); | |
175 | val = sysInfo.dwPageSize; | |
176 | break; | |
177 | ||
178 | case _SC_PHYS_PAGES: | |
179 | status.dwLength = sizeof(status); | |
01d26955 BC |
180 | val2 = sysconf(_SC_PAGESIZE); |
181 | if (GlobalMemoryStatusEx(&status) && val2 != -1) | |
182 | val = status.ullTotalPhys / val2; | |
183 | else | |
184 | log_err("sysconf(_SC_PHYS_PAGES) failed\n"); | |
9277ec14 BC |
185 | break; |
186 | default: | |
187 | log_err("sysconf(%d) is not implemented\n", name); | |
188 | break; | |
189 | } | |
190 | ||
191 | return val; | |
192 | } | |
193 | ||
194 | char *dl_error = NULL; | |
195 | ||
196 | int dlclose(void *handle) | |
197 | { | |
198 | return !FreeLibrary((HMODULE)handle); | |
199 | } | |
200 | ||
201 | void *dlopen(const char *file, int mode) | |
202 | { | |
203 | HMODULE hMod; | |
204 | ||
205 | hMod = LoadLibrary(file); | |
206 | if (hMod == INVALID_HANDLE_VALUE) | |
207 | dl_error = (char*)"LoadLibrary failed"; | |
208 | else | |
209 | dl_error = NULL; | |
210 | ||
211 | return hMod; | |
212 | } | |
213 | ||
214 | void *dlsym(void *handle, const char *name) | |
215 | { | |
216 | FARPROC fnPtr; | |
217 | ||
218 | fnPtr = GetProcAddress((HMODULE)handle, name); | |
219 | if (fnPtr == NULL) | |
220 | dl_error = (char*)"GetProcAddress failed"; | |
221 | else | |
222 | dl_error = NULL; | |
223 | ||
224 | return fnPtr; | |
225 | } | |
226 | ||
227 | char *dlerror(void) | |
228 | { | |
229 | return dl_error; | |
230 | } | |
231 | ||
ba55bfa9 BC |
232 | /* Copied from http://blogs.msdn.com/b/joshpoley/archive/2007/12/19/date-time-formats-and-conversions.aspx */ |
233 | void Time_tToSystemTime(time_t dosTime, SYSTEMTIME *systemTime) | |
234 | { | |
5de1ade5 JS |
235 | FILETIME utcFT; |
236 | LONGLONG jan1970; | |
237 | ||
238 | jan1970 = Int32x32To64(dosTime, 10000000) + 116444736000000000; | |
239 | utcFT.dwLowDateTime = (DWORD)jan1970; | |
240 | utcFT.dwHighDateTime = jan1970 >> 32; | |
ba55bfa9 BC |
241 | |
242 | FileTimeToSystemTime((FILETIME*)&utcFT, systemTime); | |
243 | } | |
244 | ||
245 | char* ctime_r(const time_t *t, char *buf) | |
246 | { | |
247 | SYSTEMTIME systime; | |
15a0c8ee | 248 | const char * const dayOfWeek[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; |
ba55bfa9 BC |
249 | const char * const monthOfYear[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; |
250 | ||
251 | Time_tToSystemTime(*t, &systime); | |
252 | /* We don't know how long `buf` is, but assume it's rounded up from the minimum of 25 to 32 */ | |
1f086b55 | 253 | StringCchPrintfA(buf, 31, "%s %s %d %02d:%02d:%02d %04d\n", dayOfWeek[systime.wDayOfWeek % 7], monthOfYear[(systime.wMonth - 1) % 12], |
ba55bfa9 BC |
254 | systime.wDay, systime.wHour, systime.wMinute, systime.wSecond, systime.wYear); |
255 | return buf; | |
256 | } | |
257 | ||
9277ec14 BC |
258 | int gettimeofday(struct timeval *restrict tp, void *restrict tzp) |
259 | { | |
260 | FILETIME fileTime; | |
9576f613 BC |
261 | uint64_t unix_time, windows_time; |
262 | const uint64_t MILLISECONDS_BETWEEN_1601_AND_1970 = 11644473600000; | |
9277ec14 | 263 | |
fc0b830f | 264 | /* Ignore the timezone parameter */ |
9277ec14 BC |
265 | (void)tzp; |
266 | ||
267 | /* | |
268 | * Windows time is stored as the number 100 ns intervals since January 1 1601. | |
269 | * Conversion details from http://www.informit.com/articles/article.aspx?p=102236&seqNum=3 | |
270 | * Its precision is 100 ns but accuracy is only one clock tick, or normally around 15 ms. | |
271 | */ | |
272 | GetSystemTimeAsFileTime(&fileTime); | |
9576f613 | 273 | windows_time = ((uint64_t)fileTime.dwHighDateTime << 32) + fileTime.dwLowDateTime; |
9277ec14 BC |
274 | /* Divide by 10,000 to convert to ms and subtract the time between 1601 and 1970 */ |
275 | unix_time = (((windows_time)/10000) - MILLISECONDS_BETWEEN_1601_AND_1970); | |
276 | /* unix_time is now the number of milliseconds since 1970 (the Unix epoch) */ | |
277 | tp->tv_sec = unix_time / 1000; | |
278 | tp->tv_usec = (unix_time % 1000) * 1000; | |
279 | return 0; | |
280 | } | |
281 | ||
9277ec14 BC |
282 | int sigaction(int sig, const struct sigaction *act, |
283 | struct sigaction *oact) | |
284 | { | |
e5b8f91c BC |
285 | int rc = 0; |
286 | void (*prev_handler)(int); | |
287 | ||
288 | prev_handler = signal(sig, act->sa_handler); | |
289 | if (oact != NULL) | |
290 | oact->sa_handler = prev_handler; | |
291 | ||
292 | if (prev_handler == SIG_ERR) | |
293 | rc = -1; | |
294 | ||
295 | return rc; | |
9277ec14 BC |
296 | } |
297 | ||
298 | int lstat(const char * path, struct stat * buf) | |
299 | { | |
300 | return stat(path, buf); | |
301 | } | |
302 | ||
303 | void *mmap(void *addr, size_t len, int prot, int flags, | |
304 | int fildes, off_t off) | |
305 | { | |
306 | DWORD vaProt = 0; | |
307 | void* allocAddr = NULL; | |
308 | ||
309 | if (prot & PROT_NONE) | |
310 | vaProt |= PAGE_NOACCESS; | |
311 | ||
312 | if ((prot & PROT_READ) && !(prot & PROT_WRITE)) | |
313 | vaProt |= PAGE_READONLY; | |
314 | ||
315 | if (prot & PROT_WRITE) | |
316 | vaProt |= PAGE_READWRITE; | |
317 | ||
318 | if ((flags & MAP_ANON) | (flags & MAP_ANONYMOUS)) | |
319 | { | |
320 | allocAddr = VirtualAlloc(addr, len, MEM_COMMIT, vaProt); | |
10a6b3c6 BC |
321 | if (allocAddr == NULL) |
322 | errno = win_to_posix_error(GetLastError()); | |
9277ec14 BC |
323 | } |
324 | ||
325 | return allocAddr; | |
326 | } | |
327 | ||
328 | int munmap(void *addr, size_t len) | |
329 | { | |
10a6b3c6 BC |
330 | if (!VirtualFree(addr, 0, MEM_RELEASE)) { |
331 | errno = win_to_posix_error(GetLastError()); | |
332 | return -1; | |
333 | } | |
334 | ||
335 | return 0; | |
9277ec14 BC |
336 | } |
337 | ||
338 | int fork(void) | |
339 | { | |
340 | log_err("%s is not implemented\n", __func__); | |
341 | errno = ENOSYS; | |
10a6b3c6 | 342 | return -1; |
9277ec14 BC |
343 | } |
344 | ||
345 | pid_t setsid(void) | |
346 | { | |
347 | log_err("%s is not implemented\n", __func__); | |
348 | errno = ENOSYS; | |
10a6b3c6 | 349 | return -1; |
9277ec14 BC |
350 | } |
351 | ||
ad9c0fbc BC |
352 | static HANDLE log_file = INVALID_HANDLE_VALUE; |
353 | ||
9277ec14 BC |
354 | void openlog(const char *ident, int logopt, int facility) |
355 | { | |
ad9c0fbc BC |
356 | if (log_file == INVALID_HANDLE_VALUE) |
357 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
9277ec14 BC |
358 | } |
359 | ||
360 | void closelog(void) | |
361 | { | |
ad9c0fbc BC |
362 | CloseHandle(log_file); |
363 | log_file = INVALID_HANDLE_VALUE; | |
364 | } | |
365 | ||
366 | void syslog(int priority, const char *message, ... /* argument */) | |
367 | { | |
368 | va_list v; | |
369 | int len; | |
370 | char *output; | |
371 | DWORD bytes_written; | |
372 | ||
373 | if (log_file == INVALID_HANDLE_VALUE) { | |
374 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
375 | } | |
376 | ||
377 | if (log_file == INVALID_HANDLE_VALUE) { | |
378 | log_err("syslog: failed to open log file\n"); | |
379 | return; | |
380 | } | |
381 | ||
382 | va_start(v, message); | |
383 | len = _vscprintf(message, v); | |
384 | output = malloc(len + sizeof(char)); | |
98dc2db5 | 385 | vsprintf(output, message, v); |
ad9c0fbc BC |
386 | WriteFile(log_file, output, len, &bytes_written, NULL); |
387 | va_end(v); | |
98dc2db5 | 388 | free(output); |
9277ec14 BC |
389 | } |
390 | ||
391 | int kill(pid_t pid, int sig) | |
392 | { | |
393 | errno = ESRCH; | |
10a6b3c6 | 394 | return -1; |
9277ec14 BC |
395 | } |
396 | ||
fc0b830f BC |
397 | /* |
398 | * This is assumed to be used only by the network code, | |
399 | * and so doesn't try and handle any of the other cases | |
400 | */ | |
9277ec14 BC |
401 | int fcntl(int fildes, int cmd, ...) |
402 | { | |
fc0b830f BC |
403 | /* |
404 | * non-blocking mode doesn't work the same as in BSD sockets, | |
405 | * so ignore it. | |
406 | */ | |
9277ec14 BC |
407 | #if 0 |
408 | va_list ap; | |
409 | int val, opt, status; | |
410 | ||
411 | if (cmd == F_GETFL) | |
412 | return 0; | |
413 | else if (cmd != F_SETFL) { | |
414 | errno = EINVAL; | |
10a6b3c6 | 415 | return -1; |
9277ec14 BC |
416 | } |
417 | ||
418 | va_start(ap, 1); | |
419 | ||
420 | opt = va_arg(ap, int); | |
421 | if (opt & O_NONBLOCK) | |
422 | val = 1; | |
423 | else | |
424 | val = 0; | |
425 | ||
426 | status = ioctlsocket((SOCKET)fildes, opt, &val); | |
427 | ||
428 | if (status == SOCKET_ERROR) { | |
429 | errno = EINVAL; | |
430 | val = -1; | |
431 | } | |
432 | ||
433 | va_end(ap); | |
434 | ||
435 | return val; | |
436 | #endif | |
437 | return 0; | |
438 | } | |
439 | ||
440 | /* | |
441 | * Get the value of a local clock source. | |
442 | * This implementation supports 2 clocks: CLOCK_MONOTONIC provides high-accuracy | |
443 | * relative time, while CLOCK_REALTIME provides a low-accuracy wall time. | |
444 | */ | |
445 | int clock_gettime(clockid_t clock_id, struct timespec *tp) | |
446 | { | |
447 | int rc = 0; | |
448 | ||
449 | if (clock_id == CLOCK_MONOTONIC) | |
450 | { | |
451 | static LARGE_INTEGER freq = {{0,0}}; | |
452 | LARGE_INTEGER counts; | |
5aa23eb8 | 453 | uint64_t t; |
9277ec14 BC |
454 | |
455 | QueryPerformanceCounter(&counts); | |
456 | if (freq.QuadPart == 0) | |
457 | QueryPerformanceFrequency(&freq); | |
458 | ||
459 | tp->tv_sec = counts.QuadPart / freq.QuadPart; | |
460 | /* Get the difference between the number of ns stored | |
461 | * in 'tv_sec' and that stored in 'counts' */ | |
5aa23eb8 | 462 | t = tp->tv_sec * freq.QuadPart; |
9277ec14 BC |
463 | t = counts.QuadPart - t; |
464 | /* 't' now contains the number of cycles since the last second. | |
465 | * We want the number of nanoseconds, so multiply out by 1,000,000,000 | |
466 | * and then divide by the frequency. */ | |
467 | t *= 1000000000; | |
468 | tp->tv_nsec = t / freq.QuadPart; | |
469 | } | |
470 | else if (clock_id == CLOCK_REALTIME) | |
471 | { | |
472 | /* clock_gettime(CLOCK_REALTIME,...) is just an alias for gettimeofday with a | |
473 | * higher-precision field. */ | |
474 | struct timeval tv; | |
475 | gettimeofday(&tv, NULL); | |
476 | tp->tv_sec = tv.tv_sec; | |
477 | tp->tv_nsec = tv.tv_usec * 1000; | |
478 | } else { | |
479 | errno = EINVAL; | |
480 | rc = -1; | |
481 | } | |
482 | ||
483 | return rc; | |
484 | } | |
485 | ||
486 | int mlock(const void * addr, size_t len) | |
487 | { | |
10a6b3c6 BC |
488 | SIZE_T min, max; |
489 | BOOL success; | |
490 | HANDLE process = GetCurrentProcess(); | |
491 | ||
492 | success = GetProcessWorkingSetSize(process, &min, &max); | |
493 | if (!success) { | |
494 | errno = win_to_posix_error(GetLastError()); | |
495 | return -1; | |
496 | } | |
497 | ||
498 | min += len; | |
499 | max += len; | |
500 | success = SetProcessWorkingSetSize(process, min, max); | |
501 | if (!success) { | |
502 | errno = win_to_posix_error(GetLastError()); | |
503 | return -1; | |
504 | } | |
505 | ||
506 | success = VirtualLock((LPVOID)addr, len); | |
507 | if (!success) { | |
508 | errno = win_to_posix_error(GetLastError()); | |
509 | return -1; | |
510 | } | |
511 | ||
512 | return 0; | |
9277ec14 BC |
513 | } |
514 | ||
515 | int munlock(const void * addr, size_t len) | |
516 | { | |
10a6b3c6 BC |
517 | BOOL success = VirtualUnlock((LPVOID)addr, len); |
518 | if (!success) { | |
519 | errno = win_to_posix_error(GetLastError()); | |
520 | return -1; | |
521 | } | |
522 | ||
523 | return 0; | |
9277ec14 BC |
524 | } |
525 | ||
526 | pid_t waitpid(pid_t pid, int *stat_loc, int options) | |
527 | { | |
528 | log_err("%s is not implemented\n", __func__); | |
529 | errno = ENOSYS; | |
530 | return -1; | |
531 | } | |
532 | ||
533 | int usleep(useconds_t useconds) | |
534 | { | |
535 | Sleep(useconds / 1000); | |
536 | return 0; | |
537 | } | |
538 | ||
539 | char *basename(char *path) | |
540 | { | |
541 | static char name[MAX_PATH]; | |
542 | int i; | |
543 | ||
544 | if (path == NULL || strlen(path) == 0) | |
545 | return (char*)"."; | |
546 | ||
547 | i = strlen(path) - 1; | |
548 | ||
9576f613 | 549 | while (path[i] != '\\' && path[i] != '/' && i >= 0) |
9277ec14 BC |
550 | i--; |
551 | ||
9576f613 | 552 | strncpy(name, path + i + 1, MAX_PATH); |
9277ec14 BC |
553 | |
554 | return name; | |
555 | } | |
556 | ||
9277ec14 BC |
557 | int fsync(int fildes) |
558 | { | |
559 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); | |
10a6b3c6 BC |
560 | if (!FlushFileBuffers(hFile)) { |
561 | errno = win_to_posix_error(GetLastError()); | |
562 | return -1; | |
563 | } | |
564 | ||
565 | return 0; | |
9277ec14 BC |
566 | } |
567 | ||
568 | int nFileMappings = 0; | |
569 | HANDLE fileMappings[1024]; | |
570 | ||
571 | int shmget(key_t key, size_t size, int shmflg) | |
572 | { | |
573 | int mapid = -1; | |
d3987946 BC |
574 | uint32_t size_low = size & 0xFFFFFFFF; |
575 | uint32_t size_high = ((uint64_t)size) >> 32; | |
576 | HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, (PAGE_EXECUTE_READWRITE | SEC_RESERVE), size_high, size_low, NULL); | |
9277ec14 BC |
577 | if (hMapping != NULL) { |
578 | fileMappings[nFileMappings] = hMapping; | |
579 | mapid = nFileMappings; | |
580 | nFileMappings++; | |
581 | } else { | |
582 | errno = ENOSYS; | |
583 | } | |
584 | ||
585 | return mapid; | |
586 | } | |
587 | ||
588 | void *shmat(int shmid, const void *shmaddr, int shmflg) | |
589 | { | |
590 | void* mapAddr; | |
591 | MEMORY_BASIC_INFORMATION memInfo; | |
592 | mapAddr = MapViewOfFile(fileMappings[shmid], FILE_MAP_ALL_ACCESS, 0, 0, 0); | |
10a6b3c6 BC |
593 | if (mapAddr == NULL) { |
594 | errno = win_to_posix_error(GetLastError()); | |
595 | return (void*)-1; | |
596 | } | |
597 | ||
598 | if (VirtualQuery(mapAddr, &memInfo, sizeof(memInfo)) == 0) { | |
599 | errno = win_to_posix_error(GetLastError()); | |
600 | return (void*)-1; | |
601 | } | |
602 | ||
9277ec14 | 603 | mapAddr = VirtualAlloc(mapAddr, memInfo.RegionSize, MEM_COMMIT, PAGE_READWRITE); |
10a6b3c6 BC |
604 | if (mapAddr == NULL) { |
605 | errno = win_to_posix_error(GetLastError()); | |
606 | return (void*)-1; | |
607 | } | |
608 | ||
9277ec14 BC |
609 | return mapAddr; |
610 | } | |
611 | ||
612 | int shmdt(const void *shmaddr) | |
613 | { | |
10a6b3c6 BC |
614 | if (!UnmapViewOfFile(shmaddr)) { |
615 | errno = win_to_posix_error(GetLastError()); | |
616 | return -1; | |
617 | } | |
618 | ||
619 | return 0; | |
9277ec14 BC |
620 | } |
621 | ||
622 | int shmctl(int shmid, int cmd, struct shmid_ds *buf) | |
623 | { | |
624 | if (cmd == IPC_RMID) { | |
625 | fileMappings[shmid] = INVALID_HANDLE_VALUE; | |
626 | return 0; | |
627 | } else { | |
628 | log_err("%s is not implemented\n", __func__); | |
629 | } | |
10a6b3c6 BC |
630 | errno = ENOSYS; |
631 | return -1; | |
9277ec14 BC |
632 | } |
633 | ||
634 | int setuid(uid_t uid) | |
635 | { | |
636 | log_err("%s is not implemented\n", __func__); | |
637 | errno = ENOSYS; | |
10a6b3c6 | 638 | return -1; |
9277ec14 BC |
639 | } |
640 | ||
641 | int setgid(gid_t gid) | |
642 | { | |
643 | log_err("%s is not implemented\n", __func__); | |
644 | errno = ENOSYS; | |
10a6b3c6 | 645 | return -1; |
9277ec14 BC |
646 | } |
647 | ||
648 | int nice(int incr) | |
649 | { | |
24a2bb13 BC |
650 | DWORD prioclass = NORMAL_PRIORITY_CLASS; |
651 | ||
652 | if (incr < -15) | |
653 | prioclass = HIGH_PRIORITY_CLASS; | |
654 | else if (incr < 0) | |
655 | prioclass = ABOVE_NORMAL_PRIORITY_CLASS; | |
656 | else if (incr > 15) | |
657 | prioclass = IDLE_PRIORITY_CLASS; | |
658 | else if (incr > 0) | |
659 | prioclass = BELOW_NORMAL_PRIORITY_CLASS; | |
660 | ||
661 | if (!SetPriorityClass(GetCurrentProcess(), prioclass)) | |
662 | log_err("fio: SetPriorityClass failed\n"); | |
9277ec14 BC |
663 | |
664 | return 0; | |
665 | } | |
666 | ||
667 | int getrusage(int who, struct rusage *r_usage) | |
668 | { | |
9576f613 | 669 | const uint64_t SECONDS_BETWEEN_1601_AND_1970 = 11644473600; |
9277ec14 BC |
670 | FILETIME cTime, eTime, kTime, uTime; |
671 | time_t time; | |
7732a09b | 672 | HANDLE h; |
9277ec14 BC |
673 | |
674 | memset(r_usage, 0, sizeof(*r_usage)); | |
675 | ||
7732a09b HL |
676 | if (who == RUSAGE_SELF) { |
677 | h = GetCurrentProcess(); | |
678 | GetProcessTimes(h, &cTime, &eTime, &kTime, &uTime); | |
679 | } else if (who == RUSAGE_THREAD) { | |
680 | h = GetCurrentThread(); | |
681 | GetThreadTimes(h, &cTime, &eTime, &kTime, &uTime); | |
682 | } else { | |
683 | log_err("fio: getrusage %d is not implemented\n", who); | |
684 | return -1; | |
685 | } | |
686 | ||
9576f613 | 687 | time = ((uint64_t)uTime.dwHighDateTime << 32) + uTime.dwLowDateTime; |
9277ec14 BC |
688 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
689 | * 1601 to 1970 */ | |
690 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
691 | r_usage->ru_utime.tv_sec = time; | |
692 | /* getrusage() doesn't care about anything other than seconds, so set tv_usec to 0 */ | |
693 | r_usage->ru_utime.tv_usec = 0; | |
9576f613 | 694 | time = ((uint64_t)kTime.dwHighDateTime << 32) + kTime.dwLowDateTime; |
9277ec14 BC |
695 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
696 | * 1601 to 1970 */ | |
697 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
698 | r_usage->ru_stime.tv_sec = time; | |
699 | r_usage->ru_stime.tv_usec = 0; | |
700 | return 0; | |
701 | } | |
702 | ||
703 | int posix_madvise(void *addr, size_t len, int advice) | |
704 | { | |
705 | log_err("%s is not implemented\n", __func__); | |
706 | return ENOSYS; | |
707 | } | |
708 | ||
fc0b830f | 709 | /* Windows doesn't support advice for memory pages. Just ignore it. */ |
9277ec14 BC |
710 | int msync(void *addr, size_t len, int flags) |
711 | { | |
9277ec14 BC |
712 | errno = ENOSYS; |
713 | return -1; | |
714 | } | |
715 | ||
716 | int fdatasync(int fildes) | |
717 | { | |
718 | return fsync(fildes); | |
719 | } | |
720 | ||
721 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, | |
722 | off_t offset) | |
723 | { | |
9576f613 BC |
724 | int64_t pos = _telli64(fildes); |
725 | ssize_t len = _write(fildes, buf, nbyte); | |
726 | _lseeki64(fildes, pos, SEEK_SET); | |
9277ec14 BC |
727 | return len; |
728 | } | |
729 | ||
730 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset) | |
731 | { | |
9576f613 | 732 | int64_t pos = _telli64(fildes); |
9277ec14 | 733 | ssize_t len = read(fildes, buf, nbyte); |
9576f613 | 734 | _lseeki64(fildes, pos, SEEK_SET); |
9277ec14 BC |
735 | return len; |
736 | } | |
737 | ||
738 | ssize_t readv(int fildes, const struct iovec *iov, int iovcnt) | |
739 | { | |
740 | log_err("%s is not implemented\n", __func__); | |
741 | errno = ENOSYS; | |
10a6b3c6 | 742 | return -1; |
9277ec14 BC |
743 | } |
744 | ||
745 | ssize_t writev(int fildes, const struct iovec *iov, int iovcnt) | |
746 | { | |
70a61165 BC |
747 | int i; |
748 | DWORD bytes_written = 0; | |
749 | for (i = 0; i < iovcnt; i++) | |
750 | { | |
751 | int len = send((SOCKET)fildes, iov[i].iov_base, iov[i].iov_len, 0); | |
752 | if (len == SOCKET_ERROR) | |
753 | { | |
754 | DWORD err = GetLastError(); | |
755 | errno = win_to_posix_error(err); | |
756 | bytes_written = -1; | |
757 | break; | |
758 | } | |
759 | bytes_written += len; | |
760 | } | |
761 | ||
762 | return bytes_written; | |
9277ec14 BC |
763 | } |
764 | ||
765 | long long strtoll(const char *restrict str, char **restrict endptr, | |
766 | int base) | |
767 | { | |
768 | return _strtoi64(str, endptr, base); | |
769 | } | |
770 | ||
9277ec14 BC |
771 | int poll(struct pollfd fds[], nfds_t nfds, int timeout) |
772 | { | |
773 | struct timeval tv; | |
774 | struct timeval *to = NULL; | |
775 | fd_set readfds, writefds, exceptfds; | |
776 | int i; | |
777 | int rc; | |
778 | ||
3f457bea | 779 | if (timeout != -1) { |
f9a58c2a | 780 | to = &tv; |
3f457bea BC |
781 | to->tv_sec = timeout / 1000; |
782 | to->tv_usec = (timeout % 1000) * 1000; | |
783 | } | |
9277ec14 BC |
784 | |
785 | FD_ZERO(&readfds); | |
786 | FD_ZERO(&writefds); | |
787 | FD_ZERO(&exceptfds); | |
788 | ||
789 | for (i = 0; i < nfds; i++) | |
790 | { | |
791 | if (fds[i].fd < 0) { | |
792 | fds[i].revents = 0; | |
793 | continue; | |
794 | } | |
795 | ||
796 | if (fds[i].events & POLLIN) | |
797 | FD_SET(fds[i].fd, &readfds); | |
798 | ||
799 | if (fds[i].events & POLLOUT) | |
800 | FD_SET(fds[i].fd, &writefds); | |
801 | ||
f9a58c2a | 802 | FD_SET(fds[i].fd, &exceptfds); |
9277ec14 | 803 | } |
9277ec14 BC |
804 | rc = select(nfds, &readfds, &writefds, &exceptfds, to); |
805 | ||
806 | if (rc != SOCKET_ERROR) { | |
807 | for (i = 0; i < nfds; i++) | |
808 | { | |
809 | if (fds[i].fd < 0) { | |
810 | continue; | |
811 | } | |
812 | ||
813 | if ((fds[i].events & POLLIN) && FD_ISSET(fds[i].fd, &readfds)) | |
814 | fds[i].revents |= POLLIN; | |
815 | ||
816 | if ((fds[i].events & POLLOUT) && FD_ISSET(fds[i].fd, &writefds)) | |
817 | fds[i].revents |= POLLOUT; | |
818 | ||
819 | if (FD_ISSET(fds[i].fd, &exceptfds)) | |
820 | fds[i].revents |= POLLHUP; | |
821 | } | |
822 | } | |
9277ec14 BC |
823 | return rc; |
824 | } | |
825 | ||
826 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) | |
827 | { | |
21c75387 BC |
828 | struct timeval tv; |
829 | DWORD ms_remaining; | |
830 | DWORD ms_total = (rqtp->tv_sec * 1000) + (rqtp->tv_nsec / 1000000.0); | |
831 | ||
832 | if (ms_total == 0) | |
833 | ms_total = 1; | |
834 | ||
835 | ms_remaining = ms_total; | |
836 | ||
837 | /* Since Sleep() can sleep for less than the requested time, add a loop to | |
838 | ensure we only return after the requested length of time has elapsed */ | |
839 | do { | |
840 | fio_gettime(&tv, NULL); | |
841 | Sleep(ms_remaining); | |
842 | ms_remaining = ms_total - mtime_since_now(&tv); | |
843 | } while (ms_remaining > 0 && ms_remaining < ms_total); | |
844 | ||
845 | /* this implementation will never sleep for less than the requested time */ | |
846 | if (rmtp != NULL) { | |
847 | rmtp->tv_sec = 0; | |
848 | rmtp->tv_nsec = 0; | |
849 | } | |
850 | ||
851 | return 0; | |
9277ec14 BC |
852 | } |
853 | ||
854 | DIR *opendir(const char *dirname) | |
855 | { | |
01d26955 BC |
856 | struct dirent_ctx *dc = NULL; |
857 | ||
858 | /* See if we can open it. If not, we'll return an error here */ | |
859 | HANDLE file = CreateFileA(dirname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); | |
860 | if (file != INVALID_HANDLE_VALUE) { | |
861 | CloseHandle(file); | |
862 | dc = (struct dirent_ctx*)malloc(sizeof(struct dirent_ctx)); | |
863 | StringCchCopyA(dc->dirname, MAX_PATH, dirname); | |
864 | dc->find_handle = INVALID_HANDLE_VALUE; | |
865 | } else { | |
866 | DWORD error = GetLastError(); | |
867 | if (error == ERROR_FILE_NOT_FOUND) | |
868 | errno = ENOENT; | |
869 | ||
870 | else if (error == ERROR_PATH_NOT_FOUND) | |
871 | errno = ENOTDIR; | |
872 | else if (error == ERROR_TOO_MANY_OPEN_FILES) | |
873 | errno = ENFILE; | |
874 | else if (error == ERROR_ACCESS_DENIED) | |
875 | errno = EACCES; | |
876 | else | |
877 | errno = error; | |
878 | } | |
879 | ||
880 | return dc; | |
9277ec14 BC |
881 | } |
882 | ||
883 | int closedir(DIR *dirp) | |
884 | { | |
01d26955 BC |
885 | if (dirp != NULL && dirp->find_handle != INVALID_HANDLE_VALUE) |
886 | FindClose(dirp->find_handle); | |
ad9c0fbc | 887 | |
01d26955 BC |
888 | free(dirp); |
889 | return 0; | |
9277ec14 BC |
890 | } |
891 | ||
892 | struct dirent *readdir(DIR *dirp) | |
893 | { | |
ad9c0fbc BC |
894 | static struct dirent de; |
895 | WIN32_FIND_DATA find_data; | |
896 | ||
897 | if (dirp == NULL) | |
898 | return NULL; | |
899 | ||
900 | if (dirp->find_handle == INVALID_HANDLE_VALUE) { | |
901 | char search_pattern[MAX_PATH]; | |
15a0c8ee | 902 | StringCchPrintfA(search_pattern, MAX_PATH-1, "%s\\*", dirp->dirname); |
ad9c0fbc BC |
903 | dirp->find_handle = FindFirstFileA(search_pattern, &find_data); |
904 | if (dirp->find_handle == INVALID_HANDLE_VALUE) | |
905 | return NULL; | |
906 | } else { | |
907 | if (!FindNextFile(dirp->find_handle, &find_data)) | |
908 | return NULL; | |
909 | } | |
910 | ||
911 | StringCchCopyA(de.d_name, MAX_PATH, find_data.cFileName); | |
912 | de.d_ino = 0; | |
913 | ||
914 | return &de; | |
9277ec14 BC |
915 | } |
916 | ||
917 | uid_t geteuid(void) | |
918 | { | |
919 | log_err("%s is not implemented\n", __func__); | |
920 | errno = ENOSYS; | |
921 | return -1; | |
922 | } | |
923 | ||
f16b7405 BC |
924 | in_addr_t inet_network(const char *cp) |
925 | { | |
926 | in_addr_t hbo; | |
927 | in_addr_t nbo = inet_addr(cp); | |
928 | hbo = ((nbo & 0xFF) << 24) + ((nbo & 0xFF00) << 8) + ((nbo & 0xFF0000) >> 8) + ((nbo & 0xFF000000) >> 24); | |
929 | return hbo; | |
930 | } | |
931 | ||
9277ec14 BC |
932 | const char* inet_ntop(int af, const void *restrict src, |
933 | char *restrict dst, socklen_t size) | |
934 | { | |
935 | INT status = SOCKET_ERROR; | |
936 | WSADATA wsd; | |
937 | char *ret = NULL; | |
938 | ||
939 | if (af != AF_INET && af != AF_INET6) { | |
940 | errno = EAFNOSUPPORT; | |
941 | return NULL; | |
942 | } | |
943 | ||
944 | WSAStartup(MAKEWORD(2,2), &wsd); | |
945 | ||
946 | if (af == AF_INET) { | |
947 | struct sockaddr_in si; | |
948 | DWORD len = size; | |
949 | memset(&si, 0, sizeof(si)); | |
950 | si.sin_family = af; | |
951 | memcpy(&si.sin_addr, src, sizeof(si.sin_addr)); | |
952 | status = WSAAddressToString((struct sockaddr*)&si, sizeof(si), NULL, dst, &len); | |
953 | } else if (af == AF_INET6) { | |
954 | struct sockaddr_in6 si6; | |
955 | DWORD len = size; | |
956 | memset(&si6, 0, sizeof(si6)); | |
957 | si6.sin6_family = af; | |
958 | memcpy(&si6.sin6_addr, src, sizeof(si6.sin6_addr)); | |
959 | status = WSAAddressToString((struct sockaddr*)&si6, sizeof(si6), NULL, dst, &len); | |
960 | } | |
961 | ||
962 | if (status != SOCKET_ERROR) | |
963 | ret = dst; | |
964 | else | |
965 | errno = ENOSPC; | |
966 | ||
967 | WSACleanup(); | |
3f457bea | 968 | |
9277ec14 BC |
969 | return ret; |
970 | } | |
971 | ||
972 | int inet_pton(int af, const char *restrict src, void *restrict dst) | |
973 | { | |
974 | INT status = SOCKET_ERROR; | |
975 | WSADATA wsd; | |
976 | int ret = 1; | |
977 | ||
978 | if (af != AF_INET && af != AF_INET6) { | |
979 | errno = EAFNOSUPPORT; | |
980 | return -1; | |
981 | } | |
982 | ||
983 | WSAStartup(MAKEWORD(2,2), &wsd); | |
984 | ||
985 | if (af == AF_INET) { | |
986 | struct sockaddr_in si; | |
987 | INT len = sizeof(si); | |
988 | memset(&si, 0, sizeof(si)); | |
989 | si.sin_family = af; | |
990 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si, &len); | |
991 | if (status != SOCKET_ERROR) | |
992 | memcpy(dst, &si.sin_addr, sizeof(si.sin_addr)); | |
993 | } else if (af == AF_INET6) { | |
994 | struct sockaddr_in6 si6; | |
995 | INT len = sizeof(si6); | |
996 | memset(&si6, 0, sizeof(si6)); | |
997 | si6.sin6_family = af; | |
998 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si6, &len); | |
999 | if (status != SOCKET_ERROR) | |
1000 | memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr)); | |
1001 | } | |
1002 | ||
1003 | if (status == SOCKET_ERROR) { | |
1004 | errno = ENOSPC; | |
1005 | ret = 0; | |
1006 | } | |
1007 | ||
1008 | WSACleanup(); | |
1009 | ||
1010 | return ret; | |
1011 | } |