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