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> | |
15 | #include <semaphore.h> | |
16 | #include <sys/shm.h> | |
17 | #include <sys/mman.h> | |
18 | #include <sys/uio.h> | |
19 | #include <sys/resource.h> | |
20 | #include <sys/poll.h> | |
21 | ||
22 | #include "../os-windows.h" | |
671b0600 | 23 | #include "../../lib/hweight.h" |
9277ec14 | 24 | |
21c75387 BC |
25 | extern unsigned long mtime_since_now(struct timeval *); |
26 | extern void fio_gettime(struct timeval *, void *); | |
27 | ||
ad9c0fbc BC |
28 | /* These aren't defined in the MinGW headers */ |
29 | HRESULT WINAPI StringCchCopyA( | |
30 | char *pszDest, | |
31 | size_t cchDest, | |
32 | const char *pszSrc); | |
33 | ||
34 | HRESULT WINAPI StringCchPrintfA( | |
35 | char *pszDest, | |
36 | size_t cchDest, | |
37 | const char *pszFormat, | |
38 | ...); | |
39 | ||
40 | int vsprintf_s( | |
41 | char *buffer, | |
42 | size_t numberOfElements, | |
43 | const char *format, | |
44 | va_list argptr); | |
45 | ||
671b0600 BC |
46 | int GetNumLogicalProcessors(void) |
47 | { | |
48 | SYSTEM_LOGICAL_PROCESSOR_INFORMATION *processor_info = NULL; | |
49 | DWORD len = 0; | |
50 | DWORD num_processors = 0; | |
51 | DWORD error = 0; | |
52 | DWORD i; | |
53 | ||
54 | while (!GetLogicalProcessorInformation(processor_info, &len)) { | |
55 | error = GetLastError(); | |
56 | if (error == ERROR_INSUFFICIENT_BUFFER) | |
57 | processor_info = malloc(len); | |
58 | else { | |
59 | log_err("Error: GetLogicalProcessorInformation failed: %d\n", error); | |
60 | return -1; | |
61 | } | |
62 | ||
63 | if (processor_info == NULL) { | |
64 | log_err("Error: failed to allocate memory for GetLogicalProcessorInformation"); | |
65 | return -1; | |
66 | } | |
67 | } | |
68 | ||
69 | for (i = 0; i < len / sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); i++) | |
70 | { | |
71 | if (processor_info[i].Relationship == RelationProcessorCore) | |
4ee47af0 | 72 | num_processors += hweight64(processor_info[i].ProcessorMask); |
671b0600 BC |
73 | } |
74 | ||
75 | free(processor_info); | |
76 | return num_processors; | |
77 | } | |
78 | ||
9277ec14 BC |
79 | long sysconf(int name) |
80 | { | |
671b0600 | 81 | long val = -1; |
01d26955 | 82 | long val2 = -1; |
9277ec14 BC |
83 | SYSTEM_INFO sysInfo; |
84 | MEMORYSTATUSEX status; | |
85 | ||
86 | switch (name) | |
87 | { | |
88 | case _SC_NPROCESSORS_ONLN: | |
671b0600 BC |
89 | val = GetNumLogicalProcessors(); |
90 | if (val == -1) | |
01d26955 | 91 | log_err("sysconf(_SC_NPROCESSORS_ONLN) failed\n"); |
671b0600 | 92 | |
9277ec14 BC |
93 | break; |
94 | ||
95 | case _SC_PAGESIZE: | |
96 | GetSystemInfo(&sysInfo); | |
97 | val = sysInfo.dwPageSize; | |
98 | break; | |
99 | ||
100 | case _SC_PHYS_PAGES: | |
101 | status.dwLength = sizeof(status); | |
01d26955 BC |
102 | val2 = sysconf(_SC_PAGESIZE); |
103 | if (GlobalMemoryStatusEx(&status) && val2 != -1) | |
104 | val = status.ullTotalPhys / val2; | |
105 | else | |
106 | log_err("sysconf(_SC_PHYS_PAGES) failed\n"); | |
9277ec14 BC |
107 | break; |
108 | default: | |
109 | log_err("sysconf(%d) is not implemented\n", name); | |
110 | break; | |
111 | } | |
112 | ||
113 | return val; | |
114 | } | |
115 | ||
116 | char *dl_error = NULL; | |
117 | ||
118 | int dlclose(void *handle) | |
119 | { | |
120 | return !FreeLibrary((HMODULE)handle); | |
121 | } | |
122 | ||
123 | void *dlopen(const char *file, int mode) | |
124 | { | |
125 | HMODULE hMod; | |
126 | ||
127 | hMod = LoadLibrary(file); | |
128 | if (hMod == INVALID_HANDLE_VALUE) | |
129 | dl_error = (char*)"LoadLibrary failed"; | |
130 | else | |
131 | dl_error = NULL; | |
132 | ||
133 | return hMod; | |
134 | } | |
135 | ||
136 | void *dlsym(void *handle, const char *name) | |
137 | { | |
138 | FARPROC fnPtr; | |
139 | ||
140 | fnPtr = GetProcAddress((HMODULE)handle, name); | |
141 | if (fnPtr == NULL) | |
142 | dl_error = (char*)"GetProcAddress failed"; | |
143 | else | |
144 | dl_error = NULL; | |
145 | ||
146 | return fnPtr; | |
147 | } | |
148 | ||
149 | char *dlerror(void) | |
150 | { | |
151 | return dl_error; | |
152 | } | |
153 | ||
154 | int gettimeofday(struct timeval *restrict tp, void *restrict tzp) | |
155 | { | |
156 | FILETIME fileTime; | |
9576f613 BC |
157 | uint64_t unix_time, windows_time; |
158 | const uint64_t MILLISECONDS_BETWEEN_1601_AND_1970 = 11644473600000; | |
9277ec14 | 159 | |
fc0b830f | 160 | /* Ignore the timezone parameter */ |
9277ec14 BC |
161 | (void)tzp; |
162 | ||
163 | /* | |
164 | * Windows time is stored as the number 100 ns intervals since January 1 1601. | |
165 | * Conversion details from http://www.informit.com/articles/article.aspx?p=102236&seqNum=3 | |
166 | * Its precision is 100 ns but accuracy is only one clock tick, or normally around 15 ms. | |
167 | */ | |
168 | GetSystemTimeAsFileTime(&fileTime); | |
9576f613 | 169 | windows_time = ((uint64_t)fileTime.dwHighDateTime << 32) + fileTime.dwLowDateTime; |
9277ec14 BC |
170 | /* Divide by 10,000 to convert to ms and subtract the time between 1601 and 1970 */ |
171 | unix_time = (((windows_time)/10000) - MILLISECONDS_BETWEEN_1601_AND_1970); | |
172 | /* unix_time is now the number of milliseconds since 1970 (the Unix epoch) */ | |
173 | tp->tv_sec = unix_time / 1000; | |
174 | tp->tv_usec = (unix_time % 1000) * 1000; | |
175 | return 0; | |
176 | } | |
177 | ||
9277ec14 BC |
178 | int sigaction(int sig, const struct sigaction *act, |
179 | struct sigaction *oact) | |
180 | { | |
e5b8f91c BC |
181 | int rc = 0; |
182 | void (*prev_handler)(int); | |
183 | ||
184 | prev_handler = signal(sig, act->sa_handler); | |
185 | if (oact != NULL) | |
186 | oact->sa_handler = prev_handler; | |
187 | ||
188 | if (prev_handler == SIG_ERR) | |
189 | rc = -1; | |
190 | ||
191 | return rc; | |
9277ec14 BC |
192 | } |
193 | ||
194 | int lstat(const char * path, struct stat * buf) | |
195 | { | |
196 | return stat(path, buf); | |
197 | } | |
198 | ||
199 | void *mmap(void *addr, size_t len, int prot, int flags, | |
200 | int fildes, off_t off) | |
201 | { | |
202 | DWORD vaProt = 0; | |
203 | void* allocAddr = NULL; | |
204 | ||
205 | if (prot & PROT_NONE) | |
206 | vaProt |= PAGE_NOACCESS; | |
207 | ||
208 | if ((prot & PROT_READ) && !(prot & PROT_WRITE)) | |
209 | vaProt |= PAGE_READONLY; | |
210 | ||
211 | if (prot & PROT_WRITE) | |
212 | vaProt |= PAGE_READWRITE; | |
213 | ||
214 | if ((flags & MAP_ANON) | (flags & MAP_ANONYMOUS)) | |
215 | { | |
216 | allocAddr = VirtualAlloc(addr, len, MEM_COMMIT, vaProt); | |
217 | } | |
218 | ||
219 | return allocAddr; | |
220 | } | |
221 | ||
222 | int munmap(void *addr, size_t len) | |
223 | { | |
224 | return !VirtualFree(addr, 0, MEM_RELEASE); | |
225 | } | |
226 | ||
227 | int fork(void) | |
228 | { | |
229 | log_err("%s is not implemented\n", __func__); | |
230 | errno = ENOSYS; | |
231 | return (-1); | |
232 | } | |
233 | ||
234 | pid_t setsid(void) | |
235 | { | |
236 | log_err("%s is not implemented\n", __func__); | |
237 | errno = ENOSYS; | |
238 | return (-1); | |
239 | } | |
240 | ||
ad9c0fbc BC |
241 | static HANDLE log_file = INVALID_HANDLE_VALUE; |
242 | ||
9277ec14 BC |
243 | void openlog(const char *ident, int logopt, int facility) |
244 | { | |
ad9c0fbc BC |
245 | if (log_file == INVALID_HANDLE_VALUE) |
246 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
9277ec14 BC |
247 | } |
248 | ||
249 | void closelog(void) | |
250 | { | |
ad9c0fbc BC |
251 | CloseHandle(log_file); |
252 | log_file = INVALID_HANDLE_VALUE; | |
253 | } | |
254 | ||
255 | void syslog(int priority, const char *message, ... /* argument */) | |
256 | { | |
257 | va_list v; | |
258 | int len; | |
259 | char *output; | |
260 | DWORD bytes_written; | |
261 | ||
262 | if (log_file == INVALID_HANDLE_VALUE) { | |
263 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
264 | } | |
265 | ||
266 | if (log_file == INVALID_HANDLE_VALUE) { | |
267 | log_err("syslog: failed to open log file\n"); | |
268 | return; | |
269 | } | |
270 | ||
271 | va_start(v, message); | |
272 | len = _vscprintf(message, v); | |
273 | output = malloc(len + sizeof(char)); | |
98dc2db5 | 274 | vsprintf(output, message, v); |
ad9c0fbc BC |
275 | WriteFile(log_file, output, len, &bytes_written, NULL); |
276 | va_end(v); | |
98dc2db5 | 277 | free(output); |
9277ec14 BC |
278 | } |
279 | ||
280 | int kill(pid_t pid, int sig) | |
281 | { | |
282 | errno = ESRCH; | |
283 | return (-1); | |
284 | } | |
285 | ||
fc0b830f BC |
286 | /* |
287 | * This is assumed to be used only by the network code, | |
288 | * and so doesn't try and handle any of the other cases | |
289 | */ | |
9277ec14 BC |
290 | int fcntl(int fildes, int cmd, ...) |
291 | { | |
fc0b830f BC |
292 | /* |
293 | * non-blocking mode doesn't work the same as in BSD sockets, | |
294 | * so ignore it. | |
295 | */ | |
9277ec14 BC |
296 | #if 0 |
297 | va_list ap; | |
298 | int val, opt, status; | |
299 | ||
300 | if (cmd == F_GETFL) | |
301 | return 0; | |
302 | else if (cmd != F_SETFL) { | |
303 | errno = EINVAL; | |
304 | return (-1); | |
305 | } | |
306 | ||
307 | va_start(ap, 1); | |
308 | ||
309 | opt = va_arg(ap, int); | |
310 | if (opt & O_NONBLOCK) | |
311 | val = 1; | |
312 | else | |
313 | val = 0; | |
314 | ||
315 | status = ioctlsocket((SOCKET)fildes, opt, &val); | |
316 | ||
317 | if (status == SOCKET_ERROR) { | |
318 | errno = EINVAL; | |
319 | val = -1; | |
320 | } | |
321 | ||
322 | va_end(ap); | |
323 | ||
324 | return val; | |
325 | #endif | |
326 | return 0; | |
327 | } | |
328 | ||
329 | /* | |
330 | * Get the value of a local clock source. | |
331 | * This implementation supports 2 clocks: CLOCK_MONOTONIC provides high-accuracy | |
332 | * relative time, while CLOCK_REALTIME provides a low-accuracy wall time. | |
333 | */ | |
334 | int clock_gettime(clockid_t clock_id, struct timespec *tp) | |
335 | { | |
336 | int rc = 0; | |
337 | ||
338 | if (clock_id == CLOCK_MONOTONIC) | |
339 | { | |
340 | static LARGE_INTEGER freq = {{0,0}}; | |
341 | LARGE_INTEGER counts; | |
342 | ||
343 | QueryPerformanceCounter(&counts); | |
344 | if (freq.QuadPart == 0) | |
345 | QueryPerformanceFrequency(&freq); | |
346 | ||
347 | tp->tv_sec = counts.QuadPart / freq.QuadPart; | |
348 | /* Get the difference between the number of ns stored | |
349 | * in 'tv_sec' and that stored in 'counts' */ | |
9576f613 | 350 | uint64_t t = tp->tv_sec * freq.QuadPart; |
9277ec14 BC |
351 | t = counts.QuadPart - t; |
352 | /* 't' now contains the number of cycles since the last second. | |
353 | * We want the number of nanoseconds, so multiply out by 1,000,000,000 | |
354 | * and then divide by the frequency. */ | |
355 | t *= 1000000000; | |
356 | tp->tv_nsec = t / freq.QuadPart; | |
357 | } | |
358 | else if (clock_id == CLOCK_REALTIME) | |
359 | { | |
360 | /* clock_gettime(CLOCK_REALTIME,...) is just an alias for gettimeofday with a | |
361 | * higher-precision field. */ | |
362 | struct timeval tv; | |
363 | gettimeofday(&tv, NULL); | |
364 | tp->tv_sec = tv.tv_sec; | |
365 | tp->tv_nsec = tv.tv_usec * 1000; | |
366 | } else { | |
367 | errno = EINVAL; | |
368 | rc = -1; | |
369 | } | |
370 | ||
371 | return rc; | |
372 | } | |
373 | ||
374 | int mlock(const void * addr, size_t len) | |
375 | { | |
376 | return !VirtualLock((LPVOID)addr, len); | |
377 | } | |
378 | ||
379 | int munlock(const void * addr, size_t len) | |
380 | { | |
381 | return !VirtualUnlock((LPVOID)addr, len); | |
382 | } | |
383 | ||
384 | pid_t waitpid(pid_t pid, int *stat_loc, int options) | |
385 | { | |
386 | log_err("%s is not implemented\n", __func__); | |
387 | errno = ENOSYS; | |
388 | return -1; | |
389 | } | |
390 | ||
391 | int usleep(useconds_t useconds) | |
392 | { | |
393 | Sleep(useconds / 1000); | |
394 | return 0; | |
395 | } | |
396 | ||
397 | char *basename(char *path) | |
398 | { | |
399 | static char name[MAX_PATH]; | |
400 | int i; | |
401 | ||
402 | if (path == NULL || strlen(path) == 0) | |
403 | return (char*)"."; | |
404 | ||
405 | i = strlen(path) - 1; | |
406 | ||
9576f613 | 407 | while (path[i] != '\\' && path[i] != '/' && i >= 0) |
9277ec14 BC |
408 | i--; |
409 | ||
9576f613 | 410 | strncpy(name, path + i + 1, MAX_PATH); |
9277ec14 BC |
411 | |
412 | return name; | |
413 | } | |
414 | ||
9277ec14 BC |
415 | int ftruncate(int fildes, off_t length) |
416 | { | |
417 | BOOL bSuccess; | |
9576f613 BC |
418 | int64_t prev_pos = _telli64(fildes); |
419 | _lseeki64(fildes, length, SEEK_SET); | |
9277ec14 BC |
420 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); |
421 | bSuccess = SetEndOfFile(hFile); | |
9576f613 | 422 | _lseeki64(fildes, prev_pos, SEEK_SET); |
9277ec14 BC |
423 | return !bSuccess; |
424 | } | |
425 | ||
426 | int fsync(int fildes) | |
427 | { | |
428 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); | |
429 | return !FlushFileBuffers(hFile); | |
430 | } | |
431 | ||
432 | int nFileMappings = 0; | |
433 | HANDLE fileMappings[1024]; | |
434 | ||
435 | int shmget(key_t key, size_t size, int shmflg) | |
436 | { | |
437 | int mapid = -1; | |
d3987946 BC |
438 | uint32_t size_low = size & 0xFFFFFFFF; |
439 | uint32_t size_high = ((uint64_t)size) >> 32; | |
440 | HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, (PAGE_EXECUTE_READWRITE | SEC_RESERVE), size_high, size_low, NULL); | |
9277ec14 BC |
441 | if (hMapping != NULL) { |
442 | fileMappings[nFileMappings] = hMapping; | |
443 | mapid = nFileMappings; | |
444 | nFileMappings++; | |
445 | } else { | |
446 | errno = ENOSYS; | |
447 | } | |
448 | ||
449 | return mapid; | |
450 | } | |
451 | ||
452 | void *shmat(int shmid, const void *shmaddr, int shmflg) | |
453 | { | |
454 | void* mapAddr; | |
455 | MEMORY_BASIC_INFORMATION memInfo; | |
456 | mapAddr = MapViewOfFile(fileMappings[shmid], FILE_MAP_ALL_ACCESS, 0, 0, 0); | |
457 | VirtualQuery(mapAddr, &memInfo, sizeof(memInfo)); | |
458 | mapAddr = VirtualAlloc(mapAddr, memInfo.RegionSize, MEM_COMMIT, PAGE_READWRITE); | |
459 | return mapAddr; | |
460 | } | |
461 | ||
462 | int shmdt(const void *shmaddr) | |
463 | { | |
464 | return !UnmapViewOfFile(shmaddr); | |
465 | } | |
466 | ||
467 | int shmctl(int shmid, int cmd, struct shmid_ds *buf) | |
468 | { | |
469 | if (cmd == IPC_RMID) { | |
470 | fileMappings[shmid] = INVALID_HANDLE_VALUE; | |
471 | return 0; | |
472 | } else { | |
473 | log_err("%s is not implemented\n", __func__); | |
474 | } | |
475 | return (-1); | |
476 | } | |
477 | ||
478 | int setuid(uid_t uid) | |
479 | { | |
480 | log_err("%s is not implemented\n", __func__); | |
481 | errno = ENOSYS; | |
482 | return (-1); | |
483 | } | |
484 | ||
485 | int setgid(gid_t gid) | |
486 | { | |
487 | log_err("%s is not implemented\n", __func__); | |
488 | errno = ENOSYS; | |
489 | return (-1); | |
490 | } | |
491 | ||
492 | int nice(int incr) | |
493 | { | |
494 | if (incr != 0) { | |
495 | errno = EINVAL; | |
496 | return -1; | |
497 | } | |
498 | ||
499 | return 0; | |
500 | } | |
501 | ||
502 | int getrusage(int who, struct rusage *r_usage) | |
503 | { | |
9576f613 | 504 | const uint64_t SECONDS_BETWEEN_1601_AND_1970 = 11644473600; |
9277ec14 BC |
505 | FILETIME cTime, eTime, kTime, uTime; |
506 | time_t time; | |
7732a09b | 507 | HANDLE h; |
9277ec14 BC |
508 | |
509 | memset(r_usage, 0, sizeof(*r_usage)); | |
510 | ||
7732a09b HL |
511 | if (who == RUSAGE_SELF) { |
512 | h = GetCurrentProcess(); | |
513 | GetProcessTimes(h, &cTime, &eTime, &kTime, &uTime); | |
514 | } else if (who == RUSAGE_THREAD) { | |
515 | h = GetCurrentThread(); | |
516 | GetThreadTimes(h, &cTime, &eTime, &kTime, &uTime); | |
517 | } else { | |
518 | log_err("fio: getrusage %d is not implemented\n", who); | |
519 | return -1; | |
520 | } | |
521 | ||
9576f613 | 522 | time = ((uint64_t)uTime.dwHighDateTime << 32) + uTime.dwLowDateTime; |
9277ec14 BC |
523 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
524 | * 1601 to 1970 */ | |
525 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
526 | r_usage->ru_utime.tv_sec = time; | |
527 | /* getrusage() doesn't care about anything other than seconds, so set tv_usec to 0 */ | |
528 | r_usage->ru_utime.tv_usec = 0; | |
9576f613 | 529 | time = ((uint64_t)kTime.dwHighDateTime << 32) + kTime.dwLowDateTime; |
9277ec14 BC |
530 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
531 | * 1601 to 1970 */ | |
532 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
533 | r_usage->ru_stime.tv_sec = time; | |
534 | r_usage->ru_stime.tv_usec = 0; | |
535 | return 0; | |
536 | } | |
537 | ||
2277d5d5 BC |
538 | int posix_fadvise(int fd, off_t offset, off_t len, int advice) |
539 | { | |
540 | return 0; | |
541 | } | |
542 | ||
9277ec14 BC |
543 | int posix_madvise(void *addr, size_t len, int advice) |
544 | { | |
545 | log_err("%s is not implemented\n", __func__); | |
546 | return ENOSYS; | |
547 | } | |
548 | ||
fc0b830f | 549 | /* Windows doesn't support advice for memory pages. Just ignore it. */ |
9277ec14 BC |
550 | int msync(void *addr, size_t len, int flags) |
551 | { | |
9277ec14 BC |
552 | errno = ENOSYS; |
553 | return -1; | |
554 | } | |
555 | ||
556 | int fdatasync(int fildes) | |
557 | { | |
558 | return fsync(fildes); | |
559 | } | |
560 | ||
561 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, | |
562 | off_t offset) | |
563 | { | |
9576f613 BC |
564 | int64_t pos = _telli64(fildes); |
565 | ssize_t len = _write(fildes, buf, nbyte); | |
566 | _lseeki64(fildes, pos, SEEK_SET); | |
9277ec14 BC |
567 | return len; |
568 | } | |
569 | ||
570 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset) | |
571 | { | |
9576f613 | 572 | int64_t pos = _telli64(fildes); |
9277ec14 | 573 | ssize_t len = read(fildes, buf, nbyte); |
9576f613 | 574 | _lseeki64(fildes, pos, SEEK_SET); |
9277ec14 BC |
575 | return len; |
576 | } | |
577 | ||
578 | ssize_t readv(int fildes, const struct iovec *iov, int iovcnt) | |
579 | { | |
580 | log_err("%s is not implemented\n", __func__); | |
581 | errno = ENOSYS; | |
582 | return (-1); | |
583 | } | |
584 | ||
585 | ssize_t writev(int fildes, const struct iovec *iov, int iovcnt) | |
586 | { | |
587 | log_err("%s is not implemented\n", __func__); | |
588 | errno = ENOSYS; | |
589 | return (-1); | |
590 | } | |
591 | ||
592 | long long strtoll(const char *restrict str, char **restrict endptr, | |
593 | int base) | |
594 | { | |
595 | return _strtoi64(str, endptr, base); | |
596 | } | |
597 | ||
9277ec14 BC |
598 | int poll(struct pollfd fds[], nfds_t nfds, int timeout) |
599 | { | |
600 | struct timeval tv; | |
601 | struct timeval *to = NULL; | |
602 | fd_set readfds, writefds, exceptfds; | |
603 | int i; | |
604 | int rc; | |
605 | ||
3f457bea | 606 | if (timeout != -1) { |
f9a58c2a | 607 | to = &tv; |
3f457bea BC |
608 | to->tv_sec = timeout / 1000; |
609 | to->tv_usec = (timeout % 1000) * 1000; | |
610 | } | |
9277ec14 BC |
611 | |
612 | FD_ZERO(&readfds); | |
613 | FD_ZERO(&writefds); | |
614 | FD_ZERO(&exceptfds); | |
615 | ||
616 | for (i = 0; i < nfds; i++) | |
617 | { | |
618 | if (fds[i].fd < 0) { | |
619 | fds[i].revents = 0; | |
620 | continue; | |
621 | } | |
622 | ||
623 | if (fds[i].events & POLLIN) | |
624 | FD_SET(fds[i].fd, &readfds); | |
625 | ||
626 | if (fds[i].events & POLLOUT) | |
627 | FD_SET(fds[i].fd, &writefds); | |
628 | ||
f9a58c2a | 629 | FD_SET(fds[i].fd, &exceptfds); |
9277ec14 BC |
630 | } |
631 | ||
632 | rc = select(nfds, &readfds, &writefds, &exceptfds, to); | |
633 | ||
634 | if (rc != SOCKET_ERROR) { | |
635 | for (i = 0; i < nfds; i++) | |
636 | { | |
637 | if (fds[i].fd < 0) { | |
638 | continue; | |
639 | } | |
640 | ||
641 | if ((fds[i].events & POLLIN) && FD_ISSET(fds[i].fd, &readfds)) | |
642 | fds[i].revents |= POLLIN; | |
643 | ||
644 | if ((fds[i].events & POLLOUT) && FD_ISSET(fds[i].fd, &writefds)) | |
645 | fds[i].revents |= POLLOUT; | |
646 | ||
647 | if (FD_ISSET(fds[i].fd, &exceptfds)) | |
648 | fds[i].revents |= POLLHUP; | |
649 | } | |
650 | } | |
651 | ||
652 | return rc; | |
653 | } | |
654 | ||
655 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) | |
656 | { | |
21c75387 BC |
657 | struct timeval tv; |
658 | DWORD ms_remaining; | |
659 | DWORD ms_total = (rqtp->tv_sec * 1000) + (rqtp->tv_nsec / 1000000.0); | |
660 | ||
661 | if (ms_total == 0) | |
662 | ms_total = 1; | |
663 | ||
664 | ms_remaining = ms_total; | |
665 | ||
666 | /* Since Sleep() can sleep for less than the requested time, add a loop to | |
667 | ensure we only return after the requested length of time has elapsed */ | |
668 | do { | |
669 | fio_gettime(&tv, NULL); | |
670 | Sleep(ms_remaining); | |
671 | ms_remaining = ms_total - mtime_since_now(&tv); | |
672 | } while (ms_remaining > 0 && ms_remaining < ms_total); | |
673 | ||
674 | /* this implementation will never sleep for less than the requested time */ | |
675 | if (rmtp != NULL) { | |
676 | rmtp->tv_sec = 0; | |
677 | rmtp->tv_nsec = 0; | |
678 | } | |
679 | ||
680 | return 0; | |
9277ec14 BC |
681 | } |
682 | ||
683 | DIR *opendir(const char *dirname) | |
684 | { | |
01d26955 BC |
685 | struct dirent_ctx *dc = NULL; |
686 | ||
687 | /* See if we can open it. If not, we'll return an error here */ | |
688 | HANDLE file = CreateFileA(dirname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); | |
689 | if (file != INVALID_HANDLE_VALUE) { | |
690 | CloseHandle(file); | |
691 | dc = (struct dirent_ctx*)malloc(sizeof(struct dirent_ctx)); | |
692 | StringCchCopyA(dc->dirname, MAX_PATH, dirname); | |
693 | dc->find_handle = INVALID_HANDLE_VALUE; | |
694 | } else { | |
695 | DWORD error = GetLastError(); | |
696 | if (error == ERROR_FILE_NOT_FOUND) | |
697 | errno = ENOENT; | |
698 | ||
699 | else if (error == ERROR_PATH_NOT_FOUND) | |
700 | errno = ENOTDIR; | |
701 | else if (error == ERROR_TOO_MANY_OPEN_FILES) | |
702 | errno = ENFILE; | |
703 | else if (error == ERROR_ACCESS_DENIED) | |
704 | errno = EACCES; | |
705 | else | |
706 | errno = error; | |
707 | } | |
708 | ||
709 | return dc; | |
9277ec14 BC |
710 | } |
711 | ||
712 | int closedir(DIR *dirp) | |
713 | { | |
01d26955 BC |
714 | if (dirp != NULL && dirp->find_handle != INVALID_HANDLE_VALUE) |
715 | FindClose(dirp->find_handle); | |
ad9c0fbc | 716 | |
01d26955 BC |
717 | free(dirp); |
718 | return 0; | |
9277ec14 BC |
719 | } |
720 | ||
721 | struct dirent *readdir(DIR *dirp) | |
722 | { | |
ad9c0fbc BC |
723 | static struct dirent de; |
724 | WIN32_FIND_DATA find_data; | |
725 | ||
726 | if (dirp == NULL) | |
727 | return NULL; | |
728 | ||
729 | if (dirp->find_handle == INVALID_HANDLE_VALUE) { | |
730 | char search_pattern[MAX_PATH]; | |
731 | StringCchPrintfA(search_pattern, MAX_PATH, "%s\\*", dirp->dirname); | |
732 | dirp->find_handle = FindFirstFileA(search_pattern, &find_data); | |
733 | if (dirp->find_handle == INVALID_HANDLE_VALUE) | |
734 | return NULL; | |
735 | } else { | |
736 | if (!FindNextFile(dirp->find_handle, &find_data)) | |
737 | return NULL; | |
738 | } | |
739 | ||
740 | StringCchCopyA(de.d_name, MAX_PATH, find_data.cFileName); | |
741 | de.d_ino = 0; | |
742 | ||
743 | return &de; | |
9277ec14 BC |
744 | } |
745 | ||
746 | uid_t geteuid(void) | |
747 | { | |
748 | log_err("%s is not implemented\n", __func__); | |
749 | errno = ENOSYS; | |
750 | return -1; | |
751 | } | |
752 | ||
9277ec14 BC |
753 | const char* inet_ntop(int af, const void *restrict src, |
754 | char *restrict dst, socklen_t size) | |
755 | { | |
756 | INT status = SOCKET_ERROR; | |
757 | WSADATA wsd; | |
758 | char *ret = NULL; | |
759 | ||
760 | if (af != AF_INET && af != AF_INET6) { | |
761 | errno = EAFNOSUPPORT; | |
762 | return NULL; | |
763 | } | |
764 | ||
765 | WSAStartup(MAKEWORD(2,2), &wsd); | |
766 | ||
767 | if (af == AF_INET) { | |
768 | struct sockaddr_in si; | |
769 | DWORD len = size; | |
770 | memset(&si, 0, sizeof(si)); | |
771 | si.sin_family = af; | |
772 | memcpy(&si.sin_addr, src, sizeof(si.sin_addr)); | |
773 | status = WSAAddressToString((struct sockaddr*)&si, sizeof(si), NULL, dst, &len); | |
774 | } else if (af == AF_INET6) { | |
775 | struct sockaddr_in6 si6; | |
776 | DWORD len = size; | |
777 | memset(&si6, 0, sizeof(si6)); | |
778 | si6.sin6_family = af; | |
779 | memcpy(&si6.sin6_addr, src, sizeof(si6.sin6_addr)); | |
780 | status = WSAAddressToString((struct sockaddr*)&si6, sizeof(si6), NULL, dst, &len); | |
781 | } | |
782 | ||
783 | if (status != SOCKET_ERROR) | |
784 | ret = dst; | |
785 | else | |
786 | errno = ENOSPC; | |
787 | ||
788 | WSACleanup(); | |
3f457bea | 789 | |
9277ec14 BC |
790 | return ret; |
791 | } | |
792 | ||
793 | int inet_pton(int af, const char *restrict src, void *restrict dst) | |
794 | { | |
795 | INT status = SOCKET_ERROR; | |
796 | WSADATA wsd; | |
797 | int ret = 1; | |
798 | ||
799 | if (af != AF_INET && af != AF_INET6) { | |
800 | errno = EAFNOSUPPORT; | |
801 | return -1; | |
802 | } | |
803 | ||
804 | WSAStartup(MAKEWORD(2,2), &wsd); | |
805 | ||
806 | if (af == AF_INET) { | |
807 | struct sockaddr_in si; | |
808 | INT len = sizeof(si); | |
809 | memset(&si, 0, sizeof(si)); | |
810 | si.sin_family = af; | |
811 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si, &len); | |
812 | if (status != SOCKET_ERROR) | |
813 | memcpy(dst, &si.sin_addr, sizeof(si.sin_addr)); | |
814 | } else if (af == AF_INET6) { | |
815 | struct sockaddr_in6 si6; | |
816 | INT len = sizeof(si6); | |
817 | memset(&si6, 0, sizeof(si6)); | |
818 | si6.sin6_family = af; | |
819 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si6, &len); | |
820 | if (status != SOCKET_ERROR) | |
821 | memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr)); | |
822 | } | |
823 | ||
824 | if (status == SOCKET_ERROR) { | |
825 | errno = ENOSPC; | |
826 | ret = 0; | |
827 | } | |
828 | ||
829 | WSACleanup(); | |
830 | ||
831 | return ret; | |
832 | } |