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 | ||
232 | int gettimeofday(struct timeval *restrict tp, void *restrict tzp) | |
233 | { | |
234 | FILETIME fileTime; | |
9576f613 BC |
235 | uint64_t unix_time, windows_time; |
236 | const uint64_t MILLISECONDS_BETWEEN_1601_AND_1970 = 11644473600000; | |
9277ec14 | 237 | |
fc0b830f | 238 | /* Ignore the timezone parameter */ |
9277ec14 BC |
239 | (void)tzp; |
240 | ||
241 | /* | |
242 | * Windows time is stored as the number 100 ns intervals since January 1 1601. | |
243 | * Conversion details from http://www.informit.com/articles/article.aspx?p=102236&seqNum=3 | |
244 | * Its precision is 100 ns but accuracy is only one clock tick, or normally around 15 ms. | |
245 | */ | |
246 | GetSystemTimeAsFileTime(&fileTime); | |
9576f613 | 247 | windows_time = ((uint64_t)fileTime.dwHighDateTime << 32) + fileTime.dwLowDateTime; |
9277ec14 BC |
248 | /* Divide by 10,000 to convert to ms and subtract the time between 1601 and 1970 */ |
249 | unix_time = (((windows_time)/10000) - MILLISECONDS_BETWEEN_1601_AND_1970); | |
250 | /* unix_time is now the number of milliseconds since 1970 (the Unix epoch) */ | |
251 | tp->tv_sec = unix_time / 1000; | |
252 | tp->tv_usec = (unix_time % 1000) * 1000; | |
253 | return 0; | |
254 | } | |
255 | ||
9277ec14 BC |
256 | int sigaction(int sig, const struct sigaction *act, |
257 | struct sigaction *oact) | |
258 | { | |
e5b8f91c BC |
259 | int rc = 0; |
260 | void (*prev_handler)(int); | |
261 | ||
262 | prev_handler = signal(sig, act->sa_handler); | |
263 | if (oact != NULL) | |
264 | oact->sa_handler = prev_handler; | |
265 | ||
266 | if (prev_handler == SIG_ERR) | |
267 | rc = -1; | |
268 | ||
269 | return rc; | |
9277ec14 BC |
270 | } |
271 | ||
272 | int lstat(const char * path, struct stat * buf) | |
273 | { | |
274 | return stat(path, buf); | |
275 | } | |
276 | ||
277 | void *mmap(void *addr, size_t len, int prot, int flags, | |
278 | int fildes, off_t off) | |
279 | { | |
280 | DWORD vaProt = 0; | |
281 | void* allocAddr = NULL; | |
282 | ||
283 | if (prot & PROT_NONE) | |
284 | vaProt |= PAGE_NOACCESS; | |
285 | ||
286 | if ((prot & PROT_READ) && !(prot & PROT_WRITE)) | |
287 | vaProt |= PAGE_READONLY; | |
288 | ||
289 | if (prot & PROT_WRITE) | |
290 | vaProt |= PAGE_READWRITE; | |
291 | ||
292 | if ((flags & MAP_ANON) | (flags & MAP_ANONYMOUS)) | |
293 | { | |
294 | allocAddr = VirtualAlloc(addr, len, MEM_COMMIT, vaProt); | |
10a6b3c6 BC |
295 | if (allocAddr == NULL) |
296 | errno = win_to_posix_error(GetLastError()); | |
9277ec14 BC |
297 | } |
298 | ||
299 | return allocAddr; | |
300 | } | |
301 | ||
302 | int munmap(void *addr, size_t len) | |
303 | { | |
10a6b3c6 BC |
304 | if (!VirtualFree(addr, 0, MEM_RELEASE)) { |
305 | errno = win_to_posix_error(GetLastError()); | |
306 | return -1; | |
307 | } | |
308 | ||
309 | return 0; | |
9277ec14 BC |
310 | } |
311 | ||
312 | int fork(void) | |
313 | { | |
314 | log_err("%s is not implemented\n", __func__); | |
315 | errno = ENOSYS; | |
10a6b3c6 | 316 | return -1; |
9277ec14 BC |
317 | } |
318 | ||
319 | pid_t setsid(void) | |
320 | { | |
321 | log_err("%s is not implemented\n", __func__); | |
322 | errno = ENOSYS; | |
10a6b3c6 | 323 | return -1; |
9277ec14 BC |
324 | } |
325 | ||
ad9c0fbc BC |
326 | static HANDLE log_file = INVALID_HANDLE_VALUE; |
327 | ||
9277ec14 BC |
328 | void openlog(const char *ident, int logopt, int facility) |
329 | { | |
ad9c0fbc BC |
330 | if (log_file == INVALID_HANDLE_VALUE) |
331 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
9277ec14 BC |
332 | } |
333 | ||
334 | void closelog(void) | |
335 | { | |
ad9c0fbc BC |
336 | CloseHandle(log_file); |
337 | log_file = INVALID_HANDLE_VALUE; | |
338 | } | |
339 | ||
340 | void syslog(int priority, const char *message, ... /* argument */) | |
341 | { | |
342 | va_list v; | |
343 | int len; | |
344 | char *output; | |
345 | DWORD bytes_written; | |
346 | ||
347 | if (log_file == INVALID_HANDLE_VALUE) { | |
348 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); | |
349 | } | |
350 | ||
351 | if (log_file == INVALID_HANDLE_VALUE) { | |
352 | log_err("syslog: failed to open log file\n"); | |
353 | return; | |
354 | } | |
355 | ||
356 | va_start(v, message); | |
357 | len = _vscprintf(message, v); | |
358 | output = malloc(len + sizeof(char)); | |
98dc2db5 | 359 | vsprintf(output, message, v); |
ad9c0fbc BC |
360 | WriteFile(log_file, output, len, &bytes_written, NULL); |
361 | va_end(v); | |
98dc2db5 | 362 | free(output); |
9277ec14 BC |
363 | } |
364 | ||
365 | int kill(pid_t pid, int sig) | |
366 | { | |
367 | errno = ESRCH; | |
10a6b3c6 | 368 | return -1; |
9277ec14 BC |
369 | } |
370 | ||
fc0b830f BC |
371 | /* |
372 | * This is assumed to be used only by the network code, | |
373 | * and so doesn't try and handle any of the other cases | |
374 | */ | |
9277ec14 BC |
375 | int fcntl(int fildes, int cmd, ...) |
376 | { | |
fc0b830f BC |
377 | /* |
378 | * non-blocking mode doesn't work the same as in BSD sockets, | |
379 | * so ignore it. | |
380 | */ | |
9277ec14 BC |
381 | #if 0 |
382 | va_list ap; | |
383 | int val, opt, status; | |
384 | ||
385 | if (cmd == F_GETFL) | |
386 | return 0; | |
387 | else if (cmd != F_SETFL) { | |
388 | errno = EINVAL; | |
10a6b3c6 | 389 | return -1; |
9277ec14 BC |
390 | } |
391 | ||
392 | va_start(ap, 1); | |
393 | ||
394 | opt = va_arg(ap, int); | |
395 | if (opt & O_NONBLOCK) | |
396 | val = 1; | |
397 | else | |
398 | val = 0; | |
399 | ||
400 | status = ioctlsocket((SOCKET)fildes, opt, &val); | |
401 | ||
402 | if (status == SOCKET_ERROR) { | |
403 | errno = EINVAL; | |
404 | val = -1; | |
405 | } | |
406 | ||
407 | va_end(ap); | |
408 | ||
409 | return val; | |
410 | #endif | |
411 | return 0; | |
412 | } | |
413 | ||
414 | /* | |
415 | * Get the value of a local clock source. | |
416 | * This implementation supports 2 clocks: CLOCK_MONOTONIC provides high-accuracy | |
417 | * relative time, while CLOCK_REALTIME provides a low-accuracy wall time. | |
418 | */ | |
419 | int clock_gettime(clockid_t clock_id, struct timespec *tp) | |
420 | { | |
421 | int rc = 0; | |
422 | ||
423 | if (clock_id == CLOCK_MONOTONIC) | |
424 | { | |
425 | static LARGE_INTEGER freq = {{0,0}}; | |
426 | LARGE_INTEGER counts; | |
5aa23eb8 | 427 | uint64_t t; |
9277ec14 BC |
428 | |
429 | QueryPerformanceCounter(&counts); | |
430 | if (freq.QuadPart == 0) | |
431 | QueryPerformanceFrequency(&freq); | |
432 | ||
433 | tp->tv_sec = counts.QuadPart / freq.QuadPart; | |
434 | /* Get the difference between the number of ns stored | |
435 | * in 'tv_sec' and that stored in 'counts' */ | |
5aa23eb8 | 436 | t = tp->tv_sec * freq.QuadPart; |
9277ec14 BC |
437 | t = counts.QuadPart - t; |
438 | /* 't' now contains the number of cycles since the last second. | |
439 | * We want the number of nanoseconds, so multiply out by 1,000,000,000 | |
440 | * and then divide by the frequency. */ | |
441 | t *= 1000000000; | |
442 | tp->tv_nsec = t / freq.QuadPart; | |
443 | } | |
444 | else if (clock_id == CLOCK_REALTIME) | |
445 | { | |
446 | /* clock_gettime(CLOCK_REALTIME,...) is just an alias for gettimeofday with a | |
447 | * higher-precision field. */ | |
448 | struct timeval tv; | |
449 | gettimeofday(&tv, NULL); | |
450 | tp->tv_sec = tv.tv_sec; | |
451 | tp->tv_nsec = tv.tv_usec * 1000; | |
452 | } else { | |
453 | errno = EINVAL; | |
454 | rc = -1; | |
455 | } | |
456 | ||
457 | return rc; | |
458 | } | |
459 | ||
460 | int mlock(const void * addr, size_t len) | |
461 | { | |
10a6b3c6 BC |
462 | SIZE_T min, max; |
463 | BOOL success; | |
464 | HANDLE process = GetCurrentProcess(); | |
465 | ||
466 | success = GetProcessWorkingSetSize(process, &min, &max); | |
467 | if (!success) { | |
468 | errno = win_to_posix_error(GetLastError()); | |
469 | return -1; | |
470 | } | |
471 | ||
472 | min += len; | |
473 | max += len; | |
474 | success = SetProcessWorkingSetSize(process, min, max); | |
475 | if (!success) { | |
476 | errno = win_to_posix_error(GetLastError()); | |
477 | return -1; | |
478 | } | |
479 | ||
480 | success = VirtualLock((LPVOID)addr, len); | |
481 | if (!success) { | |
482 | errno = win_to_posix_error(GetLastError()); | |
483 | return -1; | |
484 | } | |
485 | ||
486 | return 0; | |
9277ec14 BC |
487 | } |
488 | ||
489 | int munlock(const void * addr, size_t len) | |
490 | { | |
10a6b3c6 BC |
491 | BOOL success = VirtualUnlock((LPVOID)addr, len); |
492 | if (!success) { | |
493 | errno = win_to_posix_error(GetLastError()); | |
494 | return -1; | |
495 | } | |
496 | ||
497 | return 0; | |
9277ec14 BC |
498 | } |
499 | ||
500 | pid_t waitpid(pid_t pid, int *stat_loc, int options) | |
501 | { | |
502 | log_err("%s is not implemented\n", __func__); | |
503 | errno = ENOSYS; | |
504 | return -1; | |
505 | } | |
506 | ||
507 | int usleep(useconds_t useconds) | |
508 | { | |
509 | Sleep(useconds / 1000); | |
510 | return 0; | |
511 | } | |
512 | ||
513 | char *basename(char *path) | |
514 | { | |
515 | static char name[MAX_PATH]; | |
516 | int i; | |
517 | ||
518 | if (path == NULL || strlen(path) == 0) | |
519 | return (char*)"."; | |
520 | ||
521 | i = strlen(path) - 1; | |
522 | ||
9576f613 | 523 | while (path[i] != '\\' && path[i] != '/' && i >= 0) |
9277ec14 BC |
524 | i--; |
525 | ||
9576f613 | 526 | strncpy(name, path + i + 1, MAX_PATH); |
9277ec14 BC |
527 | |
528 | return name; | |
529 | } | |
530 | ||
9277ec14 BC |
531 | int fsync(int fildes) |
532 | { | |
533 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); | |
10a6b3c6 BC |
534 | if (!FlushFileBuffers(hFile)) { |
535 | errno = win_to_posix_error(GetLastError()); | |
536 | return -1; | |
537 | } | |
538 | ||
539 | return 0; | |
9277ec14 BC |
540 | } |
541 | ||
542 | int nFileMappings = 0; | |
543 | HANDLE fileMappings[1024]; | |
544 | ||
545 | int shmget(key_t key, size_t size, int shmflg) | |
546 | { | |
547 | int mapid = -1; | |
d3987946 BC |
548 | uint32_t size_low = size & 0xFFFFFFFF; |
549 | uint32_t size_high = ((uint64_t)size) >> 32; | |
550 | HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, (PAGE_EXECUTE_READWRITE | SEC_RESERVE), size_high, size_low, NULL); | |
9277ec14 BC |
551 | if (hMapping != NULL) { |
552 | fileMappings[nFileMappings] = hMapping; | |
553 | mapid = nFileMappings; | |
554 | nFileMappings++; | |
555 | } else { | |
556 | errno = ENOSYS; | |
557 | } | |
558 | ||
559 | return mapid; | |
560 | } | |
561 | ||
562 | void *shmat(int shmid, const void *shmaddr, int shmflg) | |
563 | { | |
564 | void* mapAddr; | |
565 | MEMORY_BASIC_INFORMATION memInfo; | |
566 | mapAddr = MapViewOfFile(fileMappings[shmid], FILE_MAP_ALL_ACCESS, 0, 0, 0); | |
10a6b3c6 BC |
567 | if (mapAddr == NULL) { |
568 | errno = win_to_posix_error(GetLastError()); | |
569 | return (void*)-1; | |
570 | } | |
571 | ||
572 | if (VirtualQuery(mapAddr, &memInfo, sizeof(memInfo)) == 0) { | |
573 | errno = win_to_posix_error(GetLastError()); | |
574 | return (void*)-1; | |
575 | } | |
576 | ||
9277ec14 | 577 | mapAddr = VirtualAlloc(mapAddr, memInfo.RegionSize, MEM_COMMIT, PAGE_READWRITE); |
10a6b3c6 BC |
578 | if (mapAddr == NULL) { |
579 | errno = win_to_posix_error(GetLastError()); | |
580 | return (void*)-1; | |
581 | } | |
582 | ||
9277ec14 BC |
583 | return mapAddr; |
584 | } | |
585 | ||
586 | int shmdt(const void *shmaddr) | |
587 | { | |
10a6b3c6 BC |
588 | if (!UnmapViewOfFile(shmaddr)) { |
589 | errno = win_to_posix_error(GetLastError()); | |
590 | return -1; | |
591 | } | |
592 | ||
593 | return 0; | |
9277ec14 BC |
594 | } |
595 | ||
596 | int shmctl(int shmid, int cmd, struct shmid_ds *buf) | |
597 | { | |
598 | if (cmd == IPC_RMID) { | |
599 | fileMappings[shmid] = INVALID_HANDLE_VALUE; | |
600 | return 0; | |
601 | } else { | |
602 | log_err("%s is not implemented\n", __func__); | |
603 | } | |
10a6b3c6 BC |
604 | errno = ENOSYS; |
605 | return -1; | |
9277ec14 BC |
606 | } |
607 | ||
608 | int setuid(uid_t uid) | |
609 | { | |
610 | log_err("%s is not implemented\n", __func__); | |
611 | errno = ENOSYS; | |
10a6b3c6 | 612 | return -1; |
9277ec14 BC |
613 | } |
614 | ||
615 | int setgid(gid_t gid) | |
616 | { | |
617 | log_err("%s is not implemented\n", __func__); | |
618 | errno = ENOSYS; | |
10a6b3c6 | 619 | return -1; |
9277ec14 BC |
620 | } |
621 | ||
622 | int nice(int incr) | |
623 | { | |
624 | if (incr != 0) { | |
625 | errno = EINVAL; | |
626 | return -1; | |
627 | } | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | int getrusage(int who, struct rusage *r_usage) | |
633 | { | |
9576f613 | 634 | const uint64_t SECONDS_BETWEEN_1601_AND_1970 = 11644473600; |
9277ec14 BC |
635 | FILETIME cTime, eTime, kTime, uTime; |
636 | time_t time; | |
7732a09b | 637 | HANDLE h; |
9277ec14 BC |
638 | |
639 | memset(r_usage, 0, sizeof(*r_usage)); | |
640 | ||
7732a09b HL |
641 | if (who == RUSAGE_SELF) { |
642 | h = GetCurrentProcess(); | |
643 | GetProcessTimes(h, &cTime, &eTime, &kTime, &uTime); | |
644 | } else if (who == RUSAGE_THREAD) { | |
645 | h = GetCurrentThread(); | |
646 | GetThreadTimes(h, &cTime, &eTime, &kTime, &uTime); | |
647 | } else { | |
648 | log_err("fio: getrusage %d is not implemented\n", who); | |
649 | return -1; | |
650 | } | |
651 | ||
9576f613 | 652 | time = ((uint64_t)uTime.dwHighDateTime << 32) + uTime.dwLowDateTime; |
9277ec14 BC |
653 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
654 | * 1601 to 1970 */ | |
655 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
656 | r_usage->ru_utime.tv_sec = time; | |
657 | /* getrusage() doesn't care about anything other than seconds, so set tv_usec to 0 */ | |
658 | r_usage->ru_utime.tv_usec = 0; | |
9576f613 | 659 | time = ((uint64_t)kTime.dwHighDateTime << 32) + kTime.dwLowDateTime; |
9277ec14 BC |
660 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
661 | * 1601 to 1970 */ | |
662 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
663 | r_usage->ru_stime.tv_sec = time; | |
664 | r_usage->ru_stime.tv_usec = 0; | |
665 | return 0; | |
666 | } | |
667 | ||
668 | int posix_madvise(void *addr, size_t len, int advice) | |
669 | { | |
670 | log_err("%s is not implemented\n", __func__); | |
671 | return ENOSYS; | |
672 | } | |
673 | ||
fc0b830f | 674 | /* Windows doesn't support advice for memory pages. Just ignore it. */ |
9277ec14 BC |
675 | int msync(void *addr, size_t len, int flags) |
676 | { | |
9277ec14 BC |
677 | errno = ENOSYS; |
678 | return -1; | |
679 | } | |
680 | ||
681 | int fdatasync(int fildes) | |
682 | { | |
683 | return fsync(fildes); | |
684 | } | |
685 | ||
686 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, | |
687 | off_t offset) | |
688 | { | |
9576f613 BC |
689 | int64_t pos = _telli64(fildes); |
690 | ssize_t len = _write(fildes, buf, nbyte); | |
691 | _lseeki64(fildes, pos, SEEK_SET); | |
9277ec14 BC |
692 | return len; |
693 | } | |
694 | ||
695 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset) | |
696 | { | |
9576f613 | 697 | int64_t pos = _telli64(fildes); |
9277ec14 | 698 | ssize_t len = read(fildes, buf, nbyte); |
9576f613 | 699 | _lseeki64(fildes, pos, SEEK_SET); |
9277ec14 BC |
700 | return len; |
701 | } | |
702 | ||
703 | ssize_t readv(int fildes, const struct iovec *iov, int iovcnt) | |
704 | { | |
705 | log_err("%s is not implemented\n", __func__); | |
706 | errno = ENOSYS; | |
10a6b3c6 | 707 | return -1; |
9277ec14 BC |
708 | } |
709 | ||
710 | ssize_t writev(int fildes, const struct iovec *iov, int iovcnt) | |
711 | { | |
70a61165 BC |
712 | int i; |
713 | DWORD bytes_written = 0; | |
714 | for (i = 0; i < iovcnt; i++) | |
715 | { | |
716 | int len = send((SOCKET)fildes, iov[i].iov_base, iov[i].iov_len, 0); | |
717 | if (len == SOCKET_ERROR) | |
718 | { | |
719 | DWORD err = GetLastError(); | |
720 | errno = win_to_posix_error(err); | |
721 | bytes_written = -1; | |
722 | break; | |
723 | } | |
724 | bytes_written += len; | |
725 | } | |
726 | ||
727 | return bytes_written; | |
9277ec14 BC |
728 | } |
729 | ||
730 | long long strtoll(const char *restrict str, char **restrict endptr, | |
731 | int base) | |
732 | { | |
733 | return _strtoi64(str, endptr, base); | |
734 | } | |
735 | ||
9277ec14 BC |
736 | int poll(struct pollfd fds[], nfds_t nfds, int timeout) |
737 | { | |
738 | struct timeval tv; | |
739 | struct timeval *to = NULL; | |
740 | fd_set readfds, writefds, exceptfds; | |
741 | int i; | |
742 | int rc; | |
743 | ||
3f457bea | 744 | if (timeout != -1) { |
f9a58c2a | 745 | to = &tv; |
3f457bea BC |
746 | to->tv_sec = timeout / 1000; |
747 | to->tv_usec = (timeout % 1000) * 1000; | |
748 | } | |
9277ec14 BC |
749 | |
750 | FD_ZERO(&readfds); | |
751 | FD_ZERO(&writefds); | |
752 | FD_ZERO(&exceptfds); | |
753 | ||
754 | for (i = 0; i < nfds; i++) | |
755 | { | |
756 | if (fds[i].fd < 0) { | |
757 | fds[i].revents = 0; | |
758 | continue; | |
759 | } | |
760 | ||
761 | if (fds[i].events & POLLIN) | |
762 | FD_SET(fds[i].fd, &readfds); | |
763 | ||
764 | if (fds[i].events & POLLOUT) | |
765 | FD_SET(fds[i].fd, &writefds); | |
766 | ||
f9a58c2a | 767 | FD_SET(fds[i].fd, &exceptfds); |
9277ec14 | 768 | } |
9277ec14 BC |
769 | rc = select(nfds, &readfds, &writefds, &exceptfds, to); |
770 | ||
771 | if (rc != SOCKET_ERROR) { | |
772 | for (i = 0; i < nfds; i++) | |
773 | { | |
774 | if (fds[i].fd < 0) { | |
775 | continue; | |
776 | } | |
777 | ||
778 | if ((fds[i].events & POLLIN) && FD_ISSET(fds[i].fd, &readfds)) | |
779 | fds[i].revents |= POLLIN; | |
780 | ||
781 | if ((fds[i].events & POLLOUT) && FD_ISSET(fds[i].fd, &writefds)) | |
782 | fds[i].revents |= POLLOUT; | |
783 | ||
784 | if (FD_ISSET(fds[i].fd, &exceptfds)) | |
785 | fds[i].revents |= POLLHUP; | |
786 | } | |
787 | } | |
9277ec14 BC |
788 | return rc; |
789 | } | |
790 | ||
791 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) | |
792 | { | |
21c75387 BC |
793 | struct timeval tv; |
794 | DWORD ms_remaining; | |
795 | DWORD ms_total = (rqtp->tv_sec * 1000) + (rqtp->tv_nsec / 1000000.0); | |
796 | ||
797 | if (ms_total == 0) | |
798 | ms_total = 1; | |
799 | ||
800 | ms_remaining = ms_total; | |
801 | ||
802 | /* Since Sleep() can sleep for less than the requested time, add a loop to | |
803 | ensure we only return after the requested length of time has elapsed */ | |
804 | do { | |
805 | fio_gettime(&tv, NULL); | |
806 | Sleep(ms_remaining); | |
807 | ms_remaining = ms_total - mtime_since_now(&tv); | |
808 | } while (ms_remaining > 0 && ms_remaining < ms_total); | |
809 | ||
810 | /* this implementation will never sleep for less than the requested time */ | |
811 | if (rmtp != NULL) { | |
812 | rmtp->tv_sec = 0; | |
813 | rmtp->tv_nsec = 0; | |
814 | } | |
815 | ||
816 | return 0; | |
9277ec14 BC |
817 | } |
818 | ||
819 | DIR *opendir(const char *dirname) | |
820 | { | |
01d26955 BC |
821 | struct dirent_ctx *dc = NULL; |
822 | ||
823 | /* See if we can open it. If not, we'll return an error here */ | |
824 | HANDLE file = CreateFileA(dirname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); | |
825 | if (file != INVALID_HANDLE_VALUE) { | |
826 | CloseHandle(file); | |
827 | dc = (struct dirent_ctx*)malloc(sizeof(struct dirent_ctx)); | |
828 | StringCchCopyA(dc->dirname, MAX_PATH, dirname); | |
829 | dc->find_handle = INVALID_HANDLE_VALUE; | |
830 | } else { | |
831 | DWORD error = GetLastError(); | |
832 | if (error == ERROR_FILE_NOT_FOUND) | |
833 | errno = ENOENT; | |
834 | ||
835 | else if (error == ERROR_PATH_NOT_FOUND) | |
836 | errno = ENOTDIR; | |
837 | else if (error == ERROR_TOO_MANY_OPEN_FILES) | |
838 | errno = ENFILE; | |
839 | else if (error == ERROR_ACCESS_DENIED) | |
840 | errno = EACCES; | |
841 | else | |
842 | errno = error; | |
843 | } | |
844 | ||
845 | return dc; | |
9277ec14 BC |
846 | } |
847 | ||
848 | int closedir(DIR *dirp) | |
849 | { | |
01d26955 BC |
850 | if (dirp != NULL && dirp->find_handle != INVALID_HANDLE_VALUE) |
851 | FindClose(dirp->find_handle); | |
ad9c0fbc | 852 | |
01d26955 BC |
853 | free(dirp); |
854 | return 0; | |
9277ec14 BC |
855 | } |
856 | ||
857 | struct dirent *readdir(DIR *dirp) | |
858 | { | |
ad9c0fbc BC |
859 | static struct dirent de; |
860 | WIN32_FIND_DATA find_data; | |
861 | ||
862 | if (dirp == NULL) | |
863 | return NULL; | |
864 | ||
865 | if (dirp->find_handle == INVALID_HANDLE_VALUE) { | |
866 | char search_pattern[MAX_PATH]; | |
867 | StringCchPrintfA(search_pattern, MAX_PATH, "%s\\*", dirp->dirname); | |
868 | dirp->find_handle = FindFirstFileA(search_pattern, &find_data); | |
869 | if (dirp->find_handle == INVALID_HANDLE_VALUE) | |
870 | return NULL; | |
871 | } else { | |
872 | if (!FindNextFile(dirp->find_handle, &find_data)) | |
873 | return NULL; | |
874 | } | |
875 | ||
876 | StringCchCopyA(de.d_name, MAX_PATH, find_data.cFileName); | |
877 | de.d_ino = 0; | |
878 | ||
879 | return &de; | |
9277ec14 BC |
880 | } |
881 | ||
882 | uid_t geteuid(void) | |
883 | { | |
884 | log_err("%s is not implemented\n", __func__); | |
885 | errno = ENOSYS; | |
886 | return -1; | |
887 | } | |
888 | ||
f16b7405 BC |
889 | in_addr_t inet_network(const char *cp) |
890 | { | |
891 | in_addr_t hbo; | |
892 | in_addr_t nbo = inet_addr(cp); | |
893 | hbo = ((nbo & 0xFF) << 24) + ((nbo & 0xFF00) << 8) + ((nbo & 0xFF0000) >> 8) + ((nbo & 0xFF000000) >> 24); | |
894 | return hbo; | |
895 | } | |
896 | ||
9277ec14 BC |
897 | const char* inet_ntop(int af, const void *restrict src, |
898 | char *restrict dst, socklen_t size) | |
899 | { | |
900 | INT status = SOCKET_ERROR; | |
901 | WSADATA wsd; | |
902 | char *ret = NULL; | |
903 | ||
904 | if (af != AF_INET && af != AF_INET6) { | |
905 | errno = EAFNOSUPPORT; | |
906 | return NULL; | |
907 | } | |
908 | ||
909 | WSAStartup(MAKEWORD(2,2), &wsd); | |
910 | ||
911 | if (af == AF_INET) { | |
912 | struct sockaddr_in si; | |
913 | DWORD len = size; | |
914 | memset(&si, 0, sizeof(si)); | |
915 | si.sin_family = af; | |
916 | memcpy(&si.sin_addr, src, sizeof(si.sin_addr)); | |
917 | status = WSAAddressToString((struct sockaddr*)&si, sizeof(si), NULL, dst, &len); | |
918 | } else if (af == AF_INET6) { | |
919 | struct sockaddr_in6 si6; | |
920 | DWORD len = size; | |
921 | memset(&si6, 0, sizeof(si6)); | |
922 | si6.sin6_family = af; | |
923 | memcpy(&si6.sin6_addr, src, sizeof(si6.sin6_addr)); | |
924 | status = WSAAddressToString((struct sockaddr*)&si6, sizeof(si6), NULL, dst, &len); | |
925 | } | |
926 | ||
927 | if (status != SOCKET_ERROR) | |
928 | ret = dst; | |
929 | else | |
930 | errno = ENOSPC; | |
931 | ||
932 | WSACleanup(); | |
3f457bea | 933 | |
9277ec14 BC |
934 | return ret; |
935 | } | |
936 | ||
937 | int inet_pton(int af, const char *restrict src, void *restrict dst) | |
938 | { | |
939 | INT status = SOCKET_ERROR; | |
940 | WSADATA wsd; | |
941 | int ret = 1; | |
942 | ||
943 | if (af != AF_INET && af != AF_INET6) { | |
944 | errno = EAFNOSUPPORT; | |
945 | return -1; | |
946 | } | |
947 | ||
948 | WSAStartup(MAKEWORD(2,2), &wsd); | |
949 | ||
950 | if (af == AF_INET) { | |
951 | struct sockaddr_in si; | |
952 | INT len = sizeof(si); | |
953 | memset(&si, 0, sizeof(si)); | |
954 | si.sin_family = af; | |
955 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si, &len); | |
956 | if (status != SOCKET_ERROR) | |
957 | memcpy(dst, &si.sin_addr, sizeof(si.sin_addr)); | |
958 | } else if (af == AF_INET6) { | |
959 | struct sockaddr_in6 si6; | |
960 | INT len = sizeof(si6); | |
961 | memset(&si6, 0, sizeof(si6)); | |
962 | si6.sin6_family = af; | |
963 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si6, &len); | |
964 | if (status != SOCKET_ERROR) | |
965 | memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr)); | |
966 | } | |
967 | ||
968 | if (status == SOCKET_ERROR) { | |
969 | errno = ENOSPC; | |
970 | ret = 0; | |
971 | } | |
972 | ||
973 | WSACleanup(); | |
974 | ||
975 | return ret; | |
976 | } |