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; | |
06cbb3c7 RC |
307 | DWORD mapAccess = 0; |
308 | DWORD lenlow; | |
309 | DWORD lenhigh; | |
310 | HANDLE hMap; | |
9277ec14 BC |
311 | void* allocAddr = NULL; |
312 | ||
313 | if (prot & PROT_NONE) | |
314 | vaProt |= PAGE_NOACCESS; | |
315 | ||
06cbb3c7 | 316 | if ((prot & PROT_READ) && !(prot & PROT_WRITE)) { |
9277ec14 | 317 | vaProt |= PAGE_READONLY; |
06cbb3c7 RC |
318 | mapAccess = FILE_MAP_READ; |
319 | } | |
9277ec14 | 320 | |
06cbb3c7 | 321 | if (prot & PROT_WRITE) { |
9277ec14 | 322 | vaProt |= PAGE_READWRITE; |
06cbb3c7 RC |
323 | mapAccess |= FILE_MAP_WRITE; |
324 | } | |
325 | ||
326 | lenlow = len & 0xFFFF; | |
327 | lenhigh = len >> 16; | |
328 | /* If the low DWORD is zero and the high DWORD is non-zero, `CreateFileMapping` | |
329 | will return ERROR_INVALID_PARAMETER. To avoid this, set both to zero. */ | |
330 | if (lenlow == 0) { | |
331 | lenhigh = 0; | |
332 | } | |
9277ec14 | 333 | |
06cbb3c7 | 334 | if (flags & MAP_ANON || flags & MAP_ANONYMOUS) |
9277ec14 BC |
335 | { |
336 | allocAddr = VirtualAlloc(addr, len, MEM_COMMIT, vaProt); | |
10a6b3c6 BC |
337 | if (allocAddr == NULL) |
338 | errno = win_to_posix_error(GetLastError()); | |
9277ec14 | 339 | } |
06cbb3c7 RC |
340 | else |
341 | { | |
342 | hMap = CreateFileMapping((HANDLE)_get_osfhandle(fildes), NULL, vaProt, lenhigh, lenlow, NULL); | |
343 | ||
344 | if (hMap != NULL) | |
345 | { | |
346 | allocAddr = MapViewOfFile(hMap, mapAccess, off >> 16, off & 0xFFFF, len); | |
347 | } | |
348 | ||
349 | if (hMap == NULL || allocAddr == NULL) | |
350 | errno = win_to_posix_error(GetLastError()); | |
351 | ||
352 | } | |
9277ec14 BC |
353 | |
354 | return allocAddr; | |
355 | } | |
356 | ||
357 | int munmap(void *addr, size_t len) | |
358 | { | |
06cbb3c7 RC |
359 | BOOL success; |
360 | ||
361 | /* We may have allocated the memory with either MapViewOfFile or | |
362 | VirtualAlloc. Therefore, try calling UnmapViewOfFile first, and if that | |
363 | fails, call VirtualFree. */ | |
364 | success = UnmapViewOfFile(addr); | |
365 | ||
366 | if (!success) | |
367 | { | |
368 | success = VirtualFree(addr, 0, MEM_RELEASE); | |
10a6b3c6 BC |
369 | } |
370 | ||
06cbb3c7 RC |
371 | return !success; |
372 | } | |
373 | ||
374 | int msync(void *addr, size_t len, int flags) | |
375 | { | |
376 | return !FlushViewOfFile(addr, len); | |
9277ec14 BC |
377 | } |
378 | ||
379 | int fork(void) | |
380 | { | |
381 | log_err("%s is not implemented\n", __func__); | |
382 | errno = ENOSYS; | |
10a6b3c6 | 383 | return -1; |
9277ec14 BC |
384 | } |
385 | ||
386 | pid_t setsid(void) | |
387 | { | |
388 | log_err("%s is not implemented\n", __func__); | |
389 | errno = ENOSYS; | |
10a6b3c6 | 390 | return -1; |
9277ec14 BC |
391 | } |
392 | ||
ad9c0fbc BC |
393 | static HANDLE log_file = INVALID_HANDLE_VALUE; |
394 | ||
9277ec14 BC |
395 | void openlog(const char *ident, int logopt, int facility) |
396 | { | |
ad9c0fbc BC |
397 | if (log_file == INVALID_HANDLE_VALUE) |
398 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
9277ec14 BC |
399 | } |
400 | ||
401 | void closelog(void) | |
402 | { | |
ad9c0fbc BC |
403 | CloseHandle(log_file); |
404 | log_file = INVALID_HANDLE_VALUE; | |
405 | } | |
406 | ||
407 | void syslog(int priority, const char *message, ... /* argument */) | |
408 | { | |
409 | va_list v; | |
410 | int len; | |
411 | char *output; | |
412 | DWORD bytes_written; | |
413 | ||
414 | if (log_file == INVALID_HANDLE_VALUE) { | |
415 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
416 | } | |
417 | ||
418 | if (log_file == INVALID_HANDLE_VALUE) { | |
419 | log_err("syslog: failed to open log file\n"); | |
420 | return; | |
421 | } | |
422 | ||
423 | va_start(v, message); | |
424 | len = _vscprintf(message, v); | |
425 | output = malloc(len + sizeof(char)); | |
98dc2db5 | 426 | vsprintf(output, message, v); |
ad9c0fbc BC |
427 | WriteFile(log_file, output, len, &bytes_written, NULL); |
428 | va_end(v); | |
98dc2db5 | 429 | free(output); |
9277ec14 BC |
430 | } |
431 | ||
432 | int kill(pid_t pid, int sig) | |
433 | { | |
434 | errno = ESRCH; | |
10a6b3c6 | 435 | return -1; |
9277ec14 BC |
436 | } |
437 | ||
fc0b830f BC |
438 | /* |
439 | * This is assumed to be used only by the network code, | |
440 | * and so doesn't try and handle any of the other cases | |
441 | */ | |
9277ec14 BC |
442 | int fcntl(int fildes, int cmd, ...) |
443 | { | |
fc0b830f BC |
444 | /* |
445 | * non-blocking mode doesn't work the same as in BSD sockets, | |
446 | * so ignore it. | |
447 | */ | |
9277ec14 BC |
448 | #if 0 |
449 | va_list ap; | |
450 | int val, opt, status; | |
451 | ||
452 | if (cmd == F_GETFL) | |
453 | return 0; | |
454 | else if (cmd != F_SETFL) { | |
455 | errno = EINVAL; | |
10a6b3c6 | 456 | return -1; |
9277ec14 BC |
457 | } |
458 | ||
459 | va_start(ap, 1); | |
460 | ||
461 | opt = va_arg(ap, int); | |
462 | if (opt & O_NONBLOCK) | |
463 | val = 1; | |
464 | else | |
465 | val = 0; | |
466 | ||
467 | status = ioctlsocket((SOCKET)fildes, opt, &val); | |
468 | ||
469 | if (status == SOCKET_ERROR) { | |
470 | errno = EINVAL; | |
471 | val = -1; | |
472 | } | |
473 | ||
474 | va_end(ap); | |
475 | ||
476 | return val; | |
477 | #endif | |
478 | return 0; | |
479 | } | |
480 | ||
481 | /* | |
482 | * Get the value of a local clock source. | |
483 | * This implementation supports 2 clocks: CLOCK_MONOTONIC provides high-accuracy | |
484 | * relative time, while CLOCK_REALTIME provides a low-accuracy wall time. | |
485 | */ | |
486 | int clock_gettime(clockid_t clock_id, struct timespec *tp) | |
487 | { | |
488 | int rc = 0; | |
489 | ||
490 | if (clock_id == CLOCK_MONOTONIC) | |
491 | { | |
492 | static LARGE_INTEGER freq = {{0,0}}; | |
493 | LARGE_INTEGER counts; | |
5aa23eb8 | 494 | uint64_t t; |
9277ec14 BC |
495 | |
496 | QueryPerformanceCounter(&counts); | |
497 | if (freq.QuadPart == 0) | |
498 | QueryPerformanceFrequency(&freq); | |
499 | ||
500 | tp->tv_sec = counts.QuadPart / freq.QuadPart; | |
501 | /* Get the difference between the number of ns stored | |
502 | * in 'tv_sec' and that stored in 'counts' */ | |
5aa23eb8 | 503 | t = tp->tv_sec * freq.QuadPart; |
9277ec14 BC |
504 | t = counts.QuadPart - t; |
505 | /* 't' now contains the number of cycles since the last second. | |
506 | * We want the number of nanoseconds, so multiply out by 1,000,000,000 | |
507 | * and then divide by the frequency. */ | |
508 | t *= 1000000000; | |
509 | tp->tv_nsec = t / freq.QuadPart; | |
510 | } | |
511 | else if (clock_id == CLOCK_REALTIME) | |
512 | { | |
513 | /* clock_gettime(CLOCK_REALTIME,...) is just an alias for gettimeofday with a | |
514 | * higher-precision field. */ | |
515 | struct timeval tv; | |
516 | gettimeofday(&tv, NULL); | |
517 | tp->tv_sec = tv.tv_sec; | |
518 | tp->tv_nsec = tv.tv_usec * 1000; | |
519 | } else { | |
520 | errno = EINVAL; | |
521 | rc = -1; | |
522 | } | |
523 | ||
524 | return rc; | |
525 | } | |
526 | ||
527 | int mlock(const void * addr, size_t len) | |
528 | { | |
10a6b3c6 BC |
529 | SIZE_T min, max; |
530 | BOOL success; | |
531 | HANDLE process = GetCurrentProcess(); | |
532 | ||
533 | success = GetProcessWorkingSetSize(process, &min, &max); | |
534 | if (!success) { | |
535 | errno = win_to_posix_error(GetLastError()); | |
536 | return -1; | |
537 | } | |
538 | ||
539 | min += len; | |
540 | max += len; | |
541 | success = SetProcessWorkingSetSize(process, min, max); | |
542 | if (!success) { | |
543 | errno = win_to_posix_error(GetLastError()); | |
544 | return -1; | |
545 | } | |
546 | ||
547 | success = VirtualLock((LPVOID)addr, len); | |
548 | if (!success) { | |
549 | errno = win_to_posix_error(GetLastError()); | |
550 | return -1; | |
551 | } | |
552 | ||
553 | return 0; | |
9277ec14 BC |
554 | } |
555 | ||
556 | int munlock(const void * addr, size_t len) | |
557 | { | |
10a6b3c6 BC |
558 | BOOL success = VirtualUnlock((LPVOID)addr, len); |
559 | if (!success) { | |
560 | errno = win_to_posix_error(GetLastError()); | |
561 | return -1; | |
562 | } | |
563 | ||
564 | return 0; | |
9277ec14 BC |
565 | } |
566 | ||
567 | pid_t waitpid(pid_t pid, int *stat_loc, int options) | |
568 | { | |
569 | log_err("%s is not implemented\n", __func__); | |
570 | errno = ENOSYS; | |
571 | return -1; | |
572 | } | |
573 | ||
574 | int usleep(useconds_t useconds) | |
575 | { | |
576 | Sleep(useconds / 1000); | |
577 | return 0; | |
578 | } | |
579 | ||
580 | char *basename(char *path) | |
581 | { | |
582 | static char name[MAX_PATH]; | |
583 | int i; | |
584 | ||
585 | if (path == NULL || strlen(path) == 0) | |
586 | return (char*)"."; | |
587 | ||
588 | i = strlen(path) - 1; | |
589 | ||
9576f613 | 590 | while (path[i] != '\\' && path[i] != '/' && i >= 0) |
9277ec14 BC |
591 | i--; |
592 | ||
9576f613 | 593 | strncpy(name, path + i + 1, MAX_PATH); |
9277ec14 BC |
594 | |
595 | return name; | |
596 | } | |
597 | ||
9277ec14 BC |
598 | int fsync(int fildes) |
599 | { | |
600 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); | |
10a6b3c6 BC |
601 | if (!FlushFileBuffers(hFile)) { |
602 | errno = win_to_posix_error(GetLastError()); | |
603 | return -1; | |
604 | } | |
605 | ||
606 | return 0; | |
9277ec14 BC |
607 | } |
608 | ||
609 | int nFileMappings = 0; | |
610 | HANDLE fileMappings[1024]; | |
611 | ||
612 | int shmget(key_t key, size_t size, int shmflg) | |
613 | { | |
614 | int mapid = -1; | |
d3987946 BC |
615 | uint32_t size_low = size & 0xFFFFFFFF; |
616 | uint32_t size_high = ((uint64_t)size) >> 32; | |
617 | HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, (PAGE_EXECUTE_READWRITE | SEC_RESERVE), size_high, size_low, NULL); | |
9277ec14 BC |
618 | if (hMapping != NULL) { |
619 | fileMappings[nFileMappings] = hMapping; | |
620 | mapid = nFileMappings; | |
621 | nFileMappings++; | |
622 | } else { | |
623 | errno = ENOSYS; | |
624 | } | |
625 | ||
626 | return mapid; | |
627 | } | |
628 | ||
629 | void *shmat(int shmid, const void *shmaddr, int shmflg) | |
630 | { | |
631 | void* mapAddr; | |
632 | MEMORY_BASIC_INFORMATION memInfo; | |
633 | mapAddr = MapViewOfFile(fileMappings[shmid], FILE_MAP_ALL_ACCESS, 0, 0, 0); | |
10a6b3c6 BC |
634 | if (mapAddr == NULL) { |
635 | errno = win_to_posix_error(GetLastError()); | |
636 | return (void*)-1; | |
637 | } | |
638 | ||
639 | if (VirtualQuery(mapAddr, &memInfo, sizeof(memInfo)) == 0) { | |
640 | errno = win_to_posix_error(GetLastError()); | |
641 | return (void*)-1; | |
642 | } | |
643 | ||
9277ec14 | 644 | mapAddr = VirtualAlloc(mapAddr, memInfo.RegionSize, MEM_COMMIT, PAGE_READWRITE); |
10a6b3c6 BC |
645 | if (mapAddr == NULL) { |
646 | errno = win_to_posix_error(GetLastError()); | |
647 | return (void*)-1; | |
648 | } | |
649 | ||
9277ec14 BC |
650 | return mapAddr; |
651 | } | |
652 | ||
653 | int shmdt(const void *shmaddr) | |
654 | { | |
10a6b3c6 BC |
655 | if (!UnmapViewOfFile(shmaddr)) { |
656 | errno = win_to_posix_error(GetLastError()); | |
657 | return -1; | |
658 | } | |
659 | ||
660 | return 0; | |
9277ec14 BC |
661 | } |
662 | ||
663 | int shmctl(int shmid, int cmd, struct shmid_ds *buf) | |
664 | { | |
665 | if (cmd == IPC_RMID) { | |
666 | fileMappings[shmid] = INVALID_HANDLE_VALUE; | |
667 | return 0; | |
668 | } else { | |
669 | log_err("%s is not implemented\n", __func__); | |
670 | } | |
10a6b3c6 BC |
671 | errno = ENOSYS; |
672 | return -1; | |
9277ec14 BC |
673 | } |
674 | ||
675 | int setuid(uid_t uid) | |
676 | { | |
677 | log_err("%s is not implemented\n", __func__); | |
678 | errno = ENOSYS; | |
10a6b3c6 | 679 | return -1; |
9277ec14 BC |
680 | } |
681 | ||
682 | int setgid(gid_t gid) | |
683 | { | |
684 | log_err("%s is not implemented\n", __func__); | |
685 | errno = ENOSYS; | |
10a6b3c6 | 686 | return -1; |
9277ec14 BC |
687 | } |
688 | ||
689 | int nice(int incr) | |
690 | { | |
24a2bb13 BC |
691 | DWORD prioclass = NORMAL_PRIORITY_CLASS; |
692 | ||
693 | if (incr < -15) | |
694 | prioclass = HIGH_PRIORITY_CLASS; | |
695 | else if (incr < 0) | |
696 | prioclass = ABOVE_NORMAL_PRIORITY_CLASS; | |
697 | else if (incr > 15) | |
698 | prioclass = IDLE_PRIORITY_CLASS; | |
699 | else if (incr > 0) | |
700 | prioclass = BELOW_NORMAL_PRIORITY_CLASS; | |
701 | ||
702 | if (!SetPriorityClass(GetCurrentProcess(), prioclass)) | |
703 | log_err("fio: SetPriorityClass failed\n"); | |
9277ec14 BC |
704 | |
705 | return 0; | |
706 | } | |
707 | ||
708 | int getrusage(int who, struct rusage *r_usage) | |
709 | { | |
9576f613 | 710 | const uint64_t SECONDS_BETWEEN_1601_AND_1970 = 11644473600; |
9277ec14 BC |
711 | FILETIME cTime, eTime, kTime, uTime; |
712 | time_t time; | |
7732a09b | 713 | HANDLE h; |
9277ec14 BC |
714 | |
715 | memset(r_usage, 0, sizeof(*r_usage)); | |
716 | ||
7732a09b HL |
717 | if (who == RUSAGE_SELF) { |
718 | h = GetCurrentProcess(); | |
719 | GetProcessTimes(h, &cTime, &eTime, &kTime, &uTime); | |
720 | } else if (who == RUSAGE_THREAD) { | |
721 | h = GetCurrentThread(); | |
722 | GetThreadTimes(h, &cTime, &eTime, &kTime, &uTime); | |
723 | } else { | |
724 | log_err("fio: getrusage %d is not implemented\n", who); | |
725 | return -1; | |
726 | } | |
727 | ||
9576f613 | 728 | time = ((uint64_t)uTime.dwHighDateTime << 32) + uTime.dwLowDateTime; |
9277ec14 BC |
729 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
730 | * 1601 to 1970 */ | |
731 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
732 | r_usage->ru_utime.tv_sec = time; | |
733 | /* getrusage() doesn't care about anything other than seconds, so set tv_usec to 0 */ | |
734 | r_usage->ru_utime.tv_usec = 0; | |
9576f613 | 735 | time = ((uint64_t)kTime.dwHighDateTime << 32) + kTime.dwLowDateTime; |
9277ec14 BC |
736 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
737 | * 1601 to 1970 */ | |
738 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
739 | r_usage->ru_stime.tv_sec = time; | |
740 | r_usage->ru_stime.tv_usec = 0; | |
741 | return 0; | |
742 | } | |
743 | ||
744 | int posix_madvise(void *addr, size_t len, int advice) | |
745 | { | |
9277ec14 BC |
746 | return ENOSYS; |
747 | } | |
748 | ||
9277ec14 BC |
749 | int fdatasync(int fildes) |
750 | { | |
751 | return fsync(fildes); | |
752 | } | |
753 | ||
754 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, | |
755 | off_t offset) | |
756 | { | |
9576f613 BC |
757 | int64_t pos = _telli64(fildes); |
758 | ssize_t len = _write(fildes, buf, nbyte); | |
759 | _lseeki64(fildes, pos, SEEK_SET); | |
9277ec14 BC |
760 | return len; |
761 | } | |
762 | ||
763 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset) | |
764 | { | |
9576f613 | 765 | int64_t pos = _telli64(fildes); |
9277ec14 | 766 | ssize_t len = read(fildes, buf, nbyte); |
9576f613 | 767 | _lseeki64(fildes, pos, SEEK_SET); |
9277ec14 BC |
768 | return len; |
769 | } | |
770 | ||
771 | ssize_t readv(int fildes, const struct iovec *iov, int iovcnt) | |
772 | { | |
773 | log_err("%s is not implemented\n", __func__); | |
774 | errno = ENOSYS; | |
10a6b3c6 | 775 | return -1; |
9277ec14 BC |
776 | } |
777 | ||
778 | ssize_t writev(int fildes, const struct iovec *iov, int iovcnt) | |
779 | { | |
70a61165 BC |
780 | int i; |
781 | DWORD bytes_written = 0; | |
782 | for (i = 0; i < iovcnt; i++) | |
783 | { | |
784 | int len = send((SOCKET)fildes, iov[i].iov_base, iov[i].iov_len, 0); | |
785 | if (len == SOCKET_ERROR) | |
786 | { | |
787 | DWORD err = GetLastError(); | |
788 | errno = win_to_posix_error(err); | |
789 | bytes_written = -1; | |
790 | break; | |
791 | } | |
792 | bytes_written += len; | |
793 | } | |
794 | ||
795 | return bytes_written; | |
9277ec14 BC |
796 | } |
797 | ||
798 | long long strtoll(const char *restrict str, char **restrict endptr, | |
799 | int base) | |
800 | { | |
801 | return _strtoi64(str, endptr, base); | |
802 | } | |
803 | ||
9277ec14 BC |
804 | int poll(struct pollfd fds[], nfds_t nfds, int timeout) |
805 | { | |
806 | struct timeval tv; | |
807 | struct timeval *to = NULL; | |
808 | fd_set readfds, writefds, exceptfds; | |
809 | int i; | |
810 | int rc; | |
811 | ||
3f457bea | 812 | if (timeout != -1) { |
f9a58c2a | 813 | to = &tv; |
3f457bea BC |
814 | to->tv_sec = timeout / 1000; |
815 | to->tv_usec = (timeout % 1000) * 1000; | |
816 | } | |
9277ec14 BC |
817 | |
818 | FD_ZERO(&readfds); | |
819 | FD_ZERO(&writefds); | |
820 | FD_ZERO(&exceptfds); | |
821 | ||
822 | for (i = 0; i < nfds; i++) | |
823 | { | |
824 | if (fds[i].fd < 0) { | |
825 | fds[i].revents = 0; | |
826 | continue; | |
827 | } | |
828 | ||
829 | if (fds[i].events & POLLIN) | |
830 | FD_SET(fds[i].fd, &readfds); | |
831 | ||
832 | if (fds[i].events & POLLOUT) | |
833 | FD_SET(fds[i].fd, &writefds); | |
834 | ||
f9a58c2a | 835 | FD_SET(fds[i].fd, &exceptfds); |
9277ec14 | 836 | } |
9277ec14 BC |
837 | rc = select(nfds, &readfds, &writefds, &exceptfds, to); |
838 | ||
839 | if (rc != SOCKET_ERROR) { | |
840 | for (i = 0; i < nfds; i++) | |
841 | { | |
842 | if (fds[i].fd < 0) { | |
843 | continue; | |
844 | } | |
845 | ||
846 | if ((fds[i].events & POLLIN) && FD_ISSET(fds[i].fd, &readfds)) | |
847 | fds[i].revents |= POLLIN; | |
848 | ||
849 | if ((fds[i].events & POLLOUT) && FD_ISSET(fds[i].fd, &writefds)) | |
850 | fds[i].revents |= POLLOUT; | |
851 | ||
852 | if (FD_ISSET(fds[i].fd, &exceptfds)) | |
853 | fds[i].revents |= POLLHUP; | |
854 | } | |
855 | } | |
9277ec14 BC |
856 | return rc; |
857 | } | |
858 | ||
859 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) | |
860 | { | |
21c75387 BC |
861 | struct timeval tv; |
862 | DWORD ms_remaining; | |
863 | DWORD ms_total = (rqtp->tv_sec * 1000) + (rqtp->tv_nsec / 1000000.0); | |
864 | ||
865 | if (ms_total == 0) | |
866 | ms_total = 1; | |
867 | ||
868 | ms_remaining = ms_total; | |
869 | ||
870 | /* Since Sleep() can sleep for less than the requested time, add a loop to | |
871 | ensure we only return after the requested length of time has elapsed */ | |
872 | do { | |
873 | fio_gettime(&tv, NULL); | |
874 | Sleep(ms_remaining); | |
875 | ms_remaining = ms_total - mtime_since_now(&tv); | |
876 | } while (ms_remaining > 0 && ms_remaining < ms_total); | |
877 | ||
878 | /* this implementation will never sleep for less than the requested time */ | |
879 | if (rmtp != NULL) { | |
880 | rmtp->tv_sec = 0; | |
881 | rmtp->tv_nsec = 0; | |
882 | } | |
883 | ||
884 | return 0; | |
9277ec14 BC |
885 | } |
886 | ||
887 | DIR *opendir(const char *dirname) | |
888 | { | |
01d26955 BC |
889 | struct dirent_ctx *dc = NULL; |
890 | ||
891 | /* See if we can open it. If not, we'll return an error here */ | |
892 | HANDLE file = CreateFileA(dirname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); | |
893 | if (file != INVALID_HANDLE_VALUE) { | |
894 | CloseHandle(file); | |
895 | dc = (struct dirent_ctx*)malloc(sizeof(struct dirent_ctx)); | |
896 | StringCchCopyA(dc->dirname, MAX_PATH, dirname); | |
897 | dc->find_handle = INVALID_HANDLE_VALUE; | |
898 | } else { | |
899 | DWORD error = GetLastError(); | |
900 | if (error == ERROR_FILE_NOT_FOUND) | |
901 | errno = ENOENT; | |
902 | ||
903 | else if (error == ERROR_PATH_NOT_FOUND) | |
904 | errno = ENOTDIR; | |
905 | else if (error == ERROR_TOO_MANY_OPEN_FILES) | |
906 | errno = ENFILE; | |
907 | else if (error == ERROR_ACCESS_DENIED) | |
908 | errno = EACCES; | |
909 | else | |
910 | errno = error; | |
911 | } | |
912 | ||
913 | return dc; | |
9277ec14 BC |
914 | } |
915 | ||
916 | int closedir(DIR *dirp) | |
917 | { | |
01d26955 BC |
918 | if (dirp != NULL && dirp->find_handle != INVALID_HANDLE_VALUE) |
919 | FindClose(dirp->find_handle); | |
ad9c0fbc | 920 | |
01d26955 BC |
921 | free(dirp); |
922 | return 0; | |
9277ec14 BC |
923 | } |
924 | ||
925 | struct dirent *readdir(DIR *dirp) | |
926 | { | |
ad9c0fbc BC |
927 | static struct dirent de; |
928 | WIN32_FIND_DATA find_data; | |
929 | ||
930 | if (dirp == NULL) | |
931 | return NULL; | |
932 | ||
933 | if (dirp->find_handle == INVALID_HANDLE_VALUE) { | |
934 | char search_pattern[MAX_PATH]; | |
15a0c8ee | 935 | StringCchPrintfA(search_pattern, MAX_PATH-1, "%s\\*", dirp->dirname); |
ad9c0fbc BC |
936 | dirp->find_handle = FindFirstFileA(search_pattern, &find_data); |
937 | if (dirp->find_handle == INVALID_HANDLE_VALUE) | |
938 | return NULL; | |
939 | } else { | |
940 | if (!FindNextFile(dirp->find_handle, &find_data)) | |
941 | return NULL; | |
942 | } | |
943 | ||
944 | StringCchCopyA(de.d_name, MAX_PATH, find_data.cFileName); | |
945 | de.d_ino = 0; | |
946 | ||
947 | return &de; | |
9277ec14 BC |
948 | } |
949 | ||
950 | uid_t geteuid(void) | |
951 | { | |
952 | log_err("%s is not implemented\n", __func__); | |
953 | errno = ENOSYS; | |
954 | return -1; | |
955 | } | |
956 | ||
f16b7405 BC |
957 | in_addr_t inet_network(const char *cp) |
958 | { | |
959 | in_addr_t hbo; | |
960 | in_addr_t nbo = inet_addr(cp); | |
961 | hbo = ((nbo & 0xFF) << 24) + ((nbo & 0xFF00) << 8) + ((nbo & 0xFF0000) >> 8) + ((nbo & 0xFF000000) >> 24); | |
962 | return hbo; | |
963 | } | |
964 | ||
9277ec14 BC |
965 | const char* inet_ntop(int af, const void *restrict src, |
966 | char *restrict dst, socklen_t size) | |
967 | { | |
968 | INT status = SOCKET_ERROR; | |
969 | WSADATA wsd; | |
970 | char *ret = NULL; | |
971 | ||
972 | if (af != AF_INET && af != AF_INET6) { | |
973 | errno = EAFNOSUPPORT; | |
974 | return NULL; | |
975 | } | |
976 | ||
977 | WSAStartup(MAKEWORD(2,2), &wsd); | |
978 | ||
979 | if (af == AF_INET) { | |
980 | struct sockaddr_in si; | |
981 | DWORD len = size; | |
982 | memset(&si, 0, sizeof(si)); | |
983 | si.sin_family = af; | |
984 | memcpy(&si.sin_addr, src, sizeof(si.sin_addr)); | |
985 | status = WSAAddressToString((struct sockaddr*)&si, sizeof(si), NULL, dst, &len); | |
986 | } else if (af == AF_INET6) { | |
987 | struct sockaddr_in6 si6; | |
988 | DWORD len = size; | |
989 | memset(&si6, 0, sizeof(si6)); | |
990 | si6.sin6_family = af; | |
991 | memcpy(&si6.sin6_addr, src, sizeof(si6.sin6_addr)); | |
992 | status = WSAAddressToString((struct sockaddr*)&si6, sizeof(si6), NULL, dst, &len); | |
993 | } | |
994 | ||
995 | if (status != SOCKET_ERROR) | |
996 | ret = dst; | |
997 | else | |
998 | errno = ENOSPC; | |
999 | ||
1000 | WSACleanup(); | |
3f457bea | 1001 | |
9277ec14 BC |
1002 | return ret; |
1003 | } | |
1004 | ||
1005 | int inet_pton(int af, const char *restrict src, void *restrict dst) | |
1006 | { | |
1007 | INT status = SOCKET_ERROR; | |
1008 | WSADATA wsd; | |
1009 | int ret = 1; | |
1010 | ||
1011 | if (af != AF_INET && af != AF_INET6) { | |
1012 | errno = EAFNOSUPPORT; | |
1013 | return -1; | |
1014 | } | |
1015 | ||
1016 | WSAStartup(MAKEWORD(2,2), &wsd); | |
1017 | ||
1018 | if (af == AF_INET) { | |
1019 | struct sockaddr_in si; | |
1020 | INT len = sizeof(si); | |
1021 | memset(&si, 0, sizeof(si)); | |
1022 | si.sin_family = af; | |
1023 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si, &len); | |
1024 | if (status != SOCKET_ERROR) | |
1025 | memcpy(dst, &si.sin_addr, sizeof(si.sin_addr)); | |
1026 | } else if (af == AF_INET6) { | |
1027 | struct sockaddr_in6 si6; | |
1028 | INT len = sizeof(si6); | |
1029 | memset(&si6, 0, sizeof(si6)); | |
1030 | si6.sin6_family = af; | |
1031 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si6, &len); | |
1032 | if (status != SOCKET_ERROR) | |
1033 | memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr)); | |
1034 | } | |
1035 | ||
1036 | if (status == SOCKET_ERROR) { | |
1037 | errno = ENOSPC; | |
1038 | ret = 0; | |
1039 | } | |
1040 | ||
1041 | WSACleanup(); | |
1042 | ||
1043 | return ret; | |
1044 | } |