Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 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> |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 10 | #include <string.h> |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 11 | #include <stdlib.h> |
| 12 | #include <unistd.h> |
| 13 | #include <dirent.h> |
| 14 | #include <pthread.h> |
| 15 | #include <semaphore.h> |
| 16 | #include <sys/shm.h> |
| 17 | #include <sys/mman.h> |
| 18 | #include <sys/uio.h> |
| 19 | #include <sys/resource.h> |
| 20 | #include <sys/poll.h> |
| 21 | |
| 22 | #include "../os-windows.h" |
| 23 | |
Bruce Cran | 21c7538 | 2012-08-15 20:24:24 +0200 | [diff] [blame] | 24 | extern unsigned long mtime_since_now(struct timeval *); |
| 25 | extern void fio_gettime(struct timeval *, void *); |
| 26 | |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 27 | /* These aren't defined in the MinGW headers */ |
| 28 | HRESULT WINAPI StringCchCopyA( |
| 29 | char *pszDest, |
| 30 | size_t cchDest, |
| 31 | const char *pszSrc); |
| 32 | |
| 33 | HRESULT WINAPI StringCchPrintfA( |
| 34 | char *pszDest, |
| 35 | size_t cchDest, |
| 36 | const char *pszFormat, |
| 37 | ...); |
| 38 | |
| 39 | int vsprintf_s( |
| 40 | char *buffer, |
| 41 | size_t numberOfElements, |
| 42 | const char *format, |
| 43 | va_list argptr); |
| 44 | |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 45 | long sysconf(int name) |
| 46 | { |
| 47 | long long val = -1; |
| 48 | DWORD len; |
| 49 | SYSTEM_LOGICAL_PROCESSOR_INFORMATION processorInfo; |
| 50 | SYSTEM_INFO sysInfo; |
| 51 | MEMORYSTATUSEX status; |
| 52 | |
| 53 | switch (name) |
| 54 | { |
| 55 | case _SC_NPROCESSORS_ONLN: |
| 56 | len = sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); |
| 57 | GetLogicalProcessorInformation(&processorInfo, &len); |
| 58 | val = len / sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); |
| 59 | break; |
| 60 | |
| 61 | case _SC_PAGESIZE: |
| 62 | GetSystemInfo(&sysInfo); |
| 63 | val = sysInfo.dwPageSize; |
| 64 | break; |
| 65 | |
| 66 | case _SC_PHYS_PAGES: |
| 67 | status.dwLength = sizeof(status); |
| 68 | GlobalMemoryStatusEx(&status); |
| 69 | val = status.ullTotalPhys; |
| 70 | break; |
| 71 | default: |
| 72 | log_err("sysconf(%d) is not implemented\n", name); |
| 73 | break; |
| 74 | } |
| 75 | |
| 76 | return val; |
| 77 | } |
| 78 | |
| 79 | char *dl_error = NULL; |
| 80 | |
| 81 | int dlclose(void *handle) |
| 82 | { |
| 83 | return !FreeLibrary((HMODULE)handle); |
| 84 | } |
| 85 | |
| 86 | void *dlopen(const char *file, int mode) |
| 87 | { |
| 88 | HMODULE hMod; |
| 89 | |
| 90 | hMod = LoadLibrary(file); |
| 91 | if (hMod == INVALID_HANDLE_VALUE) |
| 92 | dl_error = (char*)"LoadLibrary failed"; |
| 93 | else |
| 94 | dl_error = NULL; |
| 95 | |
| 96 | return hMod; |
| 97 | } |
| 98 | |
| 99 | void *dlsym(void *handle, const char *name) |
| 100 | { |
| 101 | FARPROC fnPtr; |
| 102 | |
| 103 | fnPtr = GetProcAddress((HMODULE)handle, name); |
| 104 | if (fnPtr == NULL) |
| 105 | dl_error = (char*)"GetProcAddress failed"; |
| 106 | else |
| 107 | dl_error = NULL; |
| 108 | |
| 109 | return fnPtr; |
| 110 | } |
| 111 | |
| 112 | char *dlerror(void) |
| 113 | { |
| 114 | return dl_error; |
| 115 | } |
| 116 | |
| 117 | int gettimeofday(struct timeval *restrict tp, void *restrict tzp) |
| 118 | { |
| 119 | FILETIME fileTime; |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 120 | uint64_t unix_time, windows_time; |
| 121 | const uint64_t MILLISECONDS_BETWEEN_1601_AND_1970 = 11644473600000; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 122 | |
Bruce Cran | fc0b830 | 2012-02-20 21:03:48 +0100 | [diff] [blame] | 123 | /* Ignore the timezone parameter */ |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 124 | (void)tzp; |
| 125 | |
| 126 | /* |
| 127 | * Windows time is stored as the number 100 ns intervals since January 1 1601. |
| 128 | * Conversion details from http://www.informit.com/articles/article.aspx?p=102236&seqNum=3 |
| 129 | * Its precision is 100 ns but accuracy is only one clock tick, or normally around 15 ms. |
| 130 | */ |
| 131 | GetSystemTimeAsFileTime(&fileTime); |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 132 | windows_time = ((uint64_t)fileTime.dwHighDateTime << 32) + fileTime.dwLowDateTime; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 133 | /* Divide by 10,000 to convert to ms and subtract the time between 1601 and 1970 */ |
| 134 | unix_time = (((windows_time)/10000) - MILLISECONDS_BETWEEN_1601_AND_1970); |
| 135 | /* unix_time is now the number of milliseconds since 1970 (the Unix epoch) */ |
| 136 | tp->tv_sec = unix_time / 1000; |
| 137 | tp->tv_usec = (unix_time % 1000) * 1000; |
| 138 | return 0; |
| 139 | } |
| 140 | |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 141 | int sigaction(int sig, const struct sigaction *act, |
| 142 | struct sigaction *oact) |
| 143 | { |
Bruce Cran | e5b8f91 | 2012-02-22 19:56:22 +0000 | [diff] [blame] | 144 | int rc = 0; |
| 145 | void (*prev_handler)(int); |
| 146 | |
| 147 | prev_handler = signal(sig, act->sa_handler); |
| 148 | if (oact != NULL) |
| 149 | oact->sa_handler = prev_handler; |
| 150 | |
| 151 | if (prev_handler == SIG_ERR) |
| 152 | rc = -1; |
| 153 | |
| 154 | return rc; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | int lstat(const char * path, struct stat * buf) |
| 158 | { |
| 159 | return stat(path, buf); |
| 160 | } |
| 161 | |
| 162 | void *mmap(void *addr, size_t len, int prot, int flags, |
| 163 | int fildes, off_t off) |
| 164 | { |
| 165 | DWORD vaProt = 0; |
| 166 | void* allocAddr = NULL; |
| 167 | |
| 168 | if (prot & PROT_NONE) |
| 169 | vaProt |= PAGE_NOACCESS; |
| 170 | |
| 171 | if ((prot & PROT_READ) && !(prot & PROT_WRITE)) |
| 172 | vaProt |= PAGE_READONLY; |
| 173 | |
| 174 | if (prot & PROT_WRITE) |
| 175 | vaProt |= PAGE_READWRITE; |
| 176 | |
| 177 | if ((flags & MAP_ANON) | (flags & MAP_ANONYMOUS)) |
| 178 | { |
| 179 | allocAddr = VirtualAlloc(addr, len, MEM_COMMIT, vaProt); |
| 180 | } |
| 181 | |
| 182 | return allocAddr; |
| 183 | } |
| 184 | |
| 185 | int munmap(void *addr, size_t len) |
| 186 | { |
| 187 | return !VirtualFree(addr, 0, MEM_RELEASE); |
| 188 | } |
| 189 | |
| 190 | int fork(void) |
| 191 | { |
| 192 | log_err("%s is not implemented\n", __func__); |
| 193 | errno = ENOSYS; |
| 194 | return (-1); |
| 195 | } |
| 196 | |
| 197 | pid_t setsid(void) |
| 198 | { |
| 199 | log_err("%s is not implemented\n", __func__); |
| 200 | errno = ENOSYS; |
| 201 | return (-1); |
| 202 | } |
| 203 | |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 204 | static HANDLE log_file = INVALID_HANDLE_VALUE; |
| 205 | |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 206 | void openlog(const char *ident, int logopt, int facility) |
| 207 | { |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 208 | if (log_file == INVALID_HANDLE_VALUE) |
| 209 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | void closelog(void) |
| 213 | { |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 214 | CloseHandle(log_file); |
| 215 | log_file = INVALID_HANDLE_VALUE; |
| 216 | } |
| 217 | |
| 218 | void syslog(int priority, const char *message, ... /* argument */) |
| 219 | { |
| 220 | va_list v; |
| 221 | int len; |
| 222 | char *output; |
| 223 | DWORD bytes_written; |
| 224 | |
| 225 | if (log_file == INVALID_HANDLE_VALUE) { |
| 226 | log_file = CreateFileA("syslog.txt", GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); |
| 227 | } |
| 228 | |
| 229 | if (log_file == INVALID_HANDLE_VALUE) { |
| 230 | log_err("syslog: failed to open log file\n"); |
| 231 | return; |
| 232 | } |
| 233 | |
| 234 | va_start(v, message); |
| 235 | len = _vscprintf(message, v); |
| 236 | output = malloc(len + sizeof(char)); |
Bruce Cran | 98dc2db | 2012-10-03 19:46:46 +0200 | [diff] [blame] | 237 | vsprintf(output, message, v); |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 238 | WriteFile(log_file, output, len, &bytes_written, NULL); |
| 239 | va_end(v); |
Bruce Cran | 98dc2db | 2012-10-03 19:46:46 +0200 | [diff] [blame] | 240 | free(output); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | int kill(pid_t pid, int sig) |
| 244 | { |
| 245 | errno = ESRCH; |
| 246 | return (-1); |
| 247 | } |
| 248 | |
Bruce Cran | fc0b830 | 2012-02-20 21:03:48 +0100 | [diff] [blame] | 249 | /* |
| 250 | * This is assumed to be used only by the network code, |
| 251 | * and so doesn't try and handle any of the other cases |
| 252 | */ |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 253 | int fcntl(int fildes, int cmd, ...) |
| 254 | { |
Bruce Cran | fc0b830 | 2012-02-20 21:03:48 +0100 | [diff] [blame] | 255 | /* |
| 256 | * non-blocking mode doesn't work the same as in BSD sockets, |
| 257 | * so ignore it. |
| 258 | */ |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 259 | #if 0 |
| 260 | va_list ap; |
| 261 | int val, opt, status; |
| 262 | |
| 263 | if (cmd == F_GETFL) |
| 264 | return 0; |
| 265 | else if (cmd != F_SETFL) { |
| 266 | errno = EINVAL; |
| 267 | return (-1); |
| 268 | } |
| 269 | |
| 270 | va_start(ap, 1); |
| 271 | |
| 272 | opt = va_arg(ap, int); |
| 273 | if (opt & O_NONBLOCK) |
| 274 | val = 1; |
| 275 | else |
| 276 | val = 0; |
| 277 | |
| 278 | status = ioctlsocket((SOCKET)fildes, opt, &val); |
| 279 | |
| 280 | if (status == SOCKET_ERROR) { |
| 281 | errno = EINVAL; |
| 282 | val = -1; |
| 283 | } |
| 284 | |
| 285 | va_end(ap); |
| 286 | |
| 287 | return val; |
| 288 | #endif |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | /* |
| 293 | * Get the value of a local clock source. |
| 294 | * This implementation supports 2 clocks: CLOCK_MONOTONIC provides high-accuracy |
| 295 | * relative time, while CLOCK_REALTIME provides a low-accuracy wall time. |
| 296 | */ |
| 297 | int clock_gettime(clockid_t clock_id, struct timespec *tp) |
| 298 | { |
| 299 | int rc = 0; |
| 300 | |
| 301 | if (clock_id == CLOCK_MONOTONIC) |
| 302 | { |
| 303 | static LARGE_INTEGER freq = {{0,0}}; |
| 304 | LARGE_INTEGER counts; |
| 305 | |
| 306 | QueryPerformanceCounter(&counts); |
| 307 | if (freq.QuadPart == 0) |
| 308 | QueryPerformanceFrequency(&freq); |
| 309 | |
| 310 | tp->tv_sec = counts.QuadPart / freq.QuadPart; |
| 311 | /* Get the difference between the number of ns stored |
| 312 | * in 'tv_sec' and that stored in 'counts' */ |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 313 | uint64_t t = tp->tv_sec * freq.QuadPart; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 314 | t = counts.QuadPart - t; |
| 315 | /* 't' now contains the number of cycles since the last second. |
| 316 | * We want the number of nanoseconds, so multiply out by 1,000,000,000 |
| 317 | * and then divide by the frequency. */ |
| 318 | t *= 1000000000; |
| 319 | tp->tv_nsec = t / freq.QuadPart; |
| 320 | } |
| 321 | else if (clock_id == CLOCK_REALTIME) |
| 322 | { |
| 323 | /* clock_gettime(CLOCK_REALTIME,...) is just an alias for gettimeofday with a |
| 324 | * higher-precision field. */ |
| 325 | struct timeval tv; |
| 326 | gettimeofday(&tv, NULL); |
| 327 | tp->tv_sec = tv.tv_sec; |
| 328 | tp->tv_nsec = tv.tv_usec * 1000; |
| 329 | } else { |
| 330 | errno = EINVAL; |
| 331 | rc = -1; |
| 332 | } |
| 333 | |
| 334 | return rc; |
| 335 | } |
| 336 | |
| 337 | int mlock(const void * addr, size_t len) |
| 338 | { |
| 339 | return !VirtualLock((LPVOID)addr, len); |
| 340 | } |
| 341 | |
| 342 | int munlock(const void * addr, size_t len) |
| 343 | { |
| 344 | return !VirtualUnlock((LPVOID)addr, len); |
| 345 | } |
| 346 | |
| 347 | pid_t waitpid(pid_t pid, int *stat_loc, int options) |
| 348 | { |
| 349 | log_err("%s is not implemented\n", __func__); |
| 350 | errno = ENOSYS; |
| 351 | return -1; |
| 352 | } |
| 353 | |
| 354 | int usleep(useconds_t useconds) |
| 355 | { |
| 356 | Sleep(useconds / 1000); |
| 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | char *basename(char *path) |
| 361 | { |
| 362 | static char name[MAX_PATH]; |
| 363 | int i; |
| 364 | |
| 365 | if (path == NULL || strlen(path) == 0) |
| 366 | return (char*)"."; |
| 367 | |
| 368 | i = strlen(path) - 1; |
| 369 | |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 370 | while (path[i] != '\\' && path[i] != '/' && i >= 0) |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 371 | i--; |
| 372 | |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 373 | strncpy(name, path + i + 1, MAX_PATH); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 374 | |
| 375 | return name; |
| 376 | } |
| 377 | |
| 378 | int posix_fallocate(int fd, off_t offset, off_t len) |
| 379 | { |
Bruce Cran | ca48255 | 2012-09-06 09:08:49 -0600 | [diff] [blame] | 380 | const int BUFFER_SIZE = 256 * 1024; |
Bruce Cran | f9a58c2 | 2012-04-04 08:35:13 -0600 | [diff] [blame] | 381 | int rc = 0; |
| 382 | char *buf; |
| 383 | unsigned int write_len; |
| 384 | unsigned int bytes_written; |
| 385 | off_t bytes_remaining = len; |
| 386 | |
| 387 | if (len == 0 || offset < 0) |
| 388 | return EINVAL; |
| 389 | |
| 390 | buf = malloc(BUFFER_SIZE); |
| 391 | |
| 392 | if (buf == NULL) |
| 393 | return ENOMEM; |
| 394 | |
| 395 | memset(buf, 0, BUFFER_SIZE); |
| 396 | |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 397 | int64_t prev_pos = _telli64(fd); |
| 398 | |
| 399 | if (_lseeki64(fd, offset, SEEK_SET) == -1) |
Bruce Cran | f9a58c2 | 2012-04-04 08:35:13 -0600 | [diff] [blame] | 400 | return errno; |
| 401 | |
| 402 | while (bytes_remaining > 0) { |
| 403 | if (bytes_remaining < BUFFER_SIZE) |
| 404 | write_len = (unsigned int)bytes_remaining; |
| 405 | else |
| 406 | write_len = BUFFER_SIZE; |
| 407 | |
| 408 | bytes_written = _write(fd, buf, write_len); |
| 409 | if (bytes_written == -1) { |
| 410 | rc = errno; |
| 411 | break; |
| 412 | } |
| 413 | |
Bruce Cran | eedd9d0 | 2012-10-10 16:24:16 +0100 | [diff] [blame] | 414 | /* Don't allow Windows to cache the write: flush it to disk */ |
| 415 | _commit(fd); |
| 416 | |
Bruce Cran | f9a58c2 | 2012-04-04 08:35:13 -0600 | [diff] [blame] | 417 | bytes_remaining -= bytes_written; |
| 418 | } |
| 419 | |
| 420 | free(buf); |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 421 | _lseeki64(fd, prev_pos, SEEK_SET); |
Bruce Cran | f9a58c2 | 2012-04-04 08:35:13 -0600 | [diff] [blame] | 422 | return rc; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | int ftruncate(int fildes, off_t length) |
| 426 | { |
| 427 | BOOL bSuccess; |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 428 | int64_t prev_pos = _telli64(fildes); |
| 429 | _lseeki64(fildes, length, SEEK_SET); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 430 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); |
| 431 | bSuccess = SetEndOfFile(hFile); |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 432 | _lseeki64(fildes, prev_pos, SEEK_SET); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 433 | return !bSuccess; |
| 434 | } |
| 435 | |
| 436 | int fsync(int fildes) |
| 437 | { |
| 438 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); |
| 439 | return !FlushFileBuffers(hFile); |
| 440 | } |
| 441 | |
| 442 | int nFileMappings = 0; |
| 443 | HANDLE fileMappings[1024]; |
| 444 | |
| 445 | int shmget(key_t key, size_t size, int shmflg) |
| 446 | { |
| 447 | int mapid = -1; |
Bruce Cran | d398794 | 2012-06-08 08:12:20 +0200 | [diff] [blame] | 448 | uint32_t size_low = size & 0xFFFFFFFF; |
| 449 | uint32_t size_high = ((uint64_t)size) >> 32; |
| 450 | HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, (PAGE_EXECUTE_READWRITE | SEC_RESERVE), size_high, size_low, NULL); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 451 | if (hMapping != NULL) { |
| 452 | fileMappings[nFileMappings] = hMapping; |
| 453 | mapid = nFileMappings; |
| 454 | nFileMappings++; |
| 455 | } else { |
| 456 | errno = ENOSYS; |
| 457 | } |
| 458 | |
| 459 | return mapid; |
| 460 | } |
| 461 | |
| 462 | void *shmat(int shmid, const void *shmaddr, int shmflg) |
| 463 | { |
| 464 | void* mapAddr; |
| 465 | MEMORY_BASIC_INFORMATION memInfo; |
| 466 | mapAddr = MapViewOfFile(fileMappings[shmid], FILE_MAP_ALL_ACCESS, 0, 0, 0); |
| 467 | VirtualQuery(mapAddr, &memInfo, sizeof(memInfo)); |
| 468 | mapAddr = VirtualAlloc(mapAddr, memInfo.RegionSize, MEM_COMMIT, PAGE_READWRITE); |
| 469 | return mapAddr; |
| 470 | } |
| 471 | |
| 472 | int shmdt(const void *shmaddr) |
| 473 | { |
| 474 | return !UnmapViewOfFile(shmaddr); |
| 475 | } |
| 476 | |
| 477 | int shmctl(int shmid, int cmd, struct shmid_ds *buf) |
| 478 | { |
| 479 | if (cmd == IPC_RMID) { |
| 480 | fileMappings[shmid] = INVALID_HANDLE_VALUE; |
| 481 | return 0; |
| 482 | } else { |
| 483 | log_err("%s is not implemented\n", __func__); |
| 484 | } |
| 485 | return (-1); |
| 486 | } |
| 487 | |
| 488 | int setuid(uid_t uid) |
| 489 | { |
| 490 | log_err("%s is not implemented\n", __func__); |
| 491 | errno = ENOSYS; |
| 492 | return (-1); |
| 493 | } |
| 494 | |
| 495 | int setgid(gid_t gid) |
| 496 | { |
| 497 | log_err("%s is not implemented\n", __func__); |
| 498 | errno = ENOSYS; |
| 499 | return (-1); |
| 500 | } |
| 501 | |
| 502 | int nice(int incr) |
| 503 | { |
| 504 | if (incr != 0) { |
| 505 | errno = EINVAL; |
| 506 | return -1; |
| 507 | } |
| 508 | |
| 509 | return 0; |
| 510 | } |
| 511 | |
| 512 | int getrusage(int who, struct rusage *r_usage) |
| 513 | { |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 514 | const uint64_t SECONDS_BETWEEN_1601_AND_1970 = 11644473600; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 515 | FILETIME cTime, eTime, kTime, uTime; |
| 516 | time_t time; |
| 517 | |
| 518 | memset(r_usage, 0, sizeof(*r_usage)); |
| 519 | |
| 520 | HANDLE hProcess = GetCurrentProcess(); |
| 521 | GetProcessTimes(hProcess, &cTime, &eTime, &kTime, &uTime); |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 522 | time = ((uint64_t)uTime.dwHighDateTime << 32) + uTime.dwLowDateTime; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 523 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
| 524 | * 1601 to 1970 */ |
| 525 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); |
| 526 | r_usage->ru_utime.tv_sec = time; |
| 527 | /* getrusage() doesn't care about anything other than seconds, so set tv_usec to 0 */ |
| 528 | r_usage->ru_utime.tv_usec = 0; |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 529 | time = ((uint64_t)kTime.dwHighDateTime << 32) + kTime.dwLowDateTime; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 530 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from |
| 531 | * 1601 to 1970 */ |
| 532 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); |
| 533 | r_usage->ru_stime.tv_sec = time; |
| 534 | r_usage->ru_stime.tv_usec = 0; |
| 535 | return 0; |
| 536 | } |
| 537 | |
Bruce Cran | 2277d5d | 2012-12-06 20:33:14 +0100 | [diff] [blame^] | 538 | int posix_fadvise(int fd, off_t offset, off_t len, int advice) |
| 539 | { |
| 540 | return 0; |
| 541 | } |
| 542 | |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 543 | int posix_madvise(void *addr, size_t len, int advice) |
| 544 | { |
| 545 | log_err("%s is not implemented\n", __func__); |
| 546 | return ENOSYS; |
| 547 | } |
| 548 | |
Bruce Cran | fc0b830 | 2012-02-20 21:03:48 +0100 | [diff] [blame] | 549 | /* Windows doesn't support advice for memory pages. Just ignore it. */ |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 550 | int msync(void *addr, size_t len, int flags) |
| 551 | { |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 552 | errno = ENOSYS; |
| 553 | return -1; |
| 554 | } |
| 555 | |
| 556 | int fdatasync(int fildes) |
| 557 | { |
| 558 | return fsync(fildes); |
| 559 | } |
| 560 | |
| 561 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, |
| 562 | off_t offset) |
| 563 | { |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 564 | int64_t pos = _telli64(fildes); |
| 565 | ssize_t len = _write(fildes, buf, nbyte); |
| 566 | _lseeki64(fildes, pos, SEEK_SET); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 567 | return len; |
| 568 | } |
| 569 | |
| 570 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset) |
| 571 | { |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 572 | int64_t pos = _telli64(fildes); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 573 | ssize_t len = read(fildes, buf, nbyte); |
Bruce Cran | 9576f61 | 2012-08-17 15:10:04 +0200 | [diff] [blame] | 574 | _lseeki64(fildes, pos, SEEK_SET); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 575 | return len; |
| 576 | } |
| 577 | |
| 578 | ssize_t readv(int fildes, const struct iovec *iov, int iovcnt) |
| 579 | { |
| 580 | log_err("%s is not implemented\n", __func__); |
| 581 | errno = ENOSYS; |
| 582 | return (-1); |
| 583 | } |
| 584 | |
| 585 | ssize_t writev(int fildes, const struct iovec *iov, int iovcnt) |
| 586 | { |
| 587 | log_err("%s is not implemented\n", __func__); |
| 588 | errno = ENOSYS; |
| 589 | return (-1); |
| 590 | } |
| 591 | |
| 592 | long long strtoll(const char *restrict str, char **restrict endptr, |
| 593 | int base) |
| 594 | { |
| 595 | return _strtoi64(str, endptr, base); |
| 596 | } |
| 597 | |
| 598 | char *strsep(char **stringp, const char *delim) |
| 599 | { |
| 600 | char *orig = *stringp; |
| 601 | BOOL gotMatch = FALSE; |
| 602 | int i = 0; |
| 603 | int j = 0; |
| 604 | |
| 605 | if (*stringp == NULL) |
| 606 | return NULL; |
| 607 | |
| 608 | while ((*stringp)[i] != '\0') { |
| 609 | j = 0; |
| 610 | while (delim[j] != '\0') { |
| 611 | if ((*stringp)[i] == delim[j]) { |
| 612 | gotMatch = TRUE; |
| 613 | (*stringp)[i] = '\0'; |
| 614 | *stringp = *stringp + i + 1; |
| 615 | break; |
| 616 | } |
| 617 | j++; |
| 618 | } |
| 619 | if (gotMatch) |
| 620 | break; |
| 621 | |
| 622 | i++; |
| 623 | } |
| 624 | |
| 625 | if (!gotMatch) |
| 626 | *stringp = NULL; |
| 627 | |
| 628 | return orig; |
| 629 | } |
| 630 | |
| 631 | int poll(struct pollfd fds[], nfds_t nfds, int timeout) |
| 632 | { |
| 633 | struct timeval tv; |
| 634 | struct timeval *to = NULL; |
| 635 | fd_set readfds, writefds, exceptfds; |
| 636 | int i; |
| 637 | int rc; |
| 638 | |
Bruce Cran | 3f457be | 2012-10-10 13:37:41 +0100 | [diff] [blame] | 639 | if (timeout != -1) { |
Bruce Cran | f9a58c2 | 2012-04-04 08:35:13 -0600 | [diff] [blame] | 640 | to = &tv; |
Bruce Cran | 3f457be | 2012-10-10 13:37:41 +0100 | [diff] [blame] | 641 | to->tv_sec = timeout / 1000; |
| 642 | to->tv_usec = (timeout % 1000) * 1000; |
| 643 | } |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 644 | |
| 645 | FD_ZERO(&readfds); |
| 646 | FD_ZERO(&writefds); |
| 647 | FD_ZERO(&exceptfds); |
| 648 | |
| 649 | for (i = 0; i < nfds; i++) |
| 650 | { |
| 651 | if (fds[i].fd < 0) { |
| 652 | fds[i].revents = 0; |
| 653 | continue; |
| 654 | } |
| 655 | |
| 656 | if (fds[i].events & POLLIN) |
| 657 | FD_SET(fds[i].fd, &readfds); |
| 658 | |
| 659 | if (fds[i].events & POLLOUT) |
| 660 | FD_SET(fds[i].fd, &writefds); |
| 661 | |
Bruce Cran | f9a58c2 | 2012-04-04 08:35:13 -0600 | [diff] [blame] | 662 | FD_SET(fds[i].fd, &exceptfds); |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | rc = select(nfds, &readfds, &writefds, &exceptfds, to); |
| 666 | |
| 667 | if (rc != SOCKET_ERROR) { |
| 668 | for (i = 0; i < nfds; i++) |
| 669 | { |
| 670 | if (fds[i].fd < 0) { |
| 671 | continue; |
| 672 | } |
| 673 | |
| 674 | if ((fds[i].events & POLLIN) && FD_ISSET(fds[i].fd, &readfds)) |
| 675 | fds[i].revents |= POLLIN; |
| 676 | |
| 677 | if ((fds[i].events & POLLOUT) && FD_ISSET(fds[i].fd, &writefds)) |
| 678 | fds[i].revents |= POLLOUT; |
| 679 | |
| 680 | if (FD_ISSET(fds[i].fd, &exceptfds)) |
| 681 | fds[i].revents |= POLLHUP; |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | return rc; |
| 686 | } |
| 687 | |
| 688 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) |
| 689 | { |
Bruce Cran | 21c7538 | 2012-08-15 20:24:24 +0200 | [diff] [blame] | 690 | struct timeval tv; |
| 691 | DWORD ms_remaining; |
| 692 | DWORD ms_total = (rqtp->tv_sec * 1000) + (rqtp->tv_nsec / 1000000.0); |
| 693 | |
| 694 | if (ms_total == 0) |
| 695 | ms_total = 1; |
| 696 | |
| 697 | ms_remaining = ms_total; |
| 698 | |
| 699 | /* Since Sleep() can sleep for less than the requested time, add a loop to |
| 700 | ensure we only return after the requested length of time has elapsed */ |
| 701 | do { |
| 702 | fio_gettime(&tv, NULL); |
| 703 | Sleep(ms_remaining); |
| 704 | ms_remaining = ms_total - mtime_since_now(&tv); |
| 705 | } while (ms_remaining > 0 && ms_remaining < ms_total); |
| 706 | |
| 707 | /* this implementation will never sleep for less than the requested time */ |
| 708 | if (rmtp != NULL) { |
| 709 | rmtp->tv_sec = 0; |
| 710 | rmtp->tv_nsec = 0; |
| 711 | } |
| 712 | |
| 713 | return 0; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | DIR *opendir(const char *dirname) |
| 717 | { |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 718 | struct dirent_ctx *dc = NULL; |
| 719 | |
| 720 | /* See if we can open it. If not, we'll return an error here */ |
| 721 | HANDLE file = CreateFileA(dirname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); |
| 722 | if (file != INVALID_HANDLE_VALUE) { |
| 723 | CloseHandle(file); |
| 724 | dc = (struct dirent_ctx*)malloc(sizeof(struct dirent_ctx)); |
| 725 | StringCchCopyA(dc->dirname, MAX_PATH, dirname); |
| 726 | dc->find_handle = INVALID_HANDLE_VALUE; |
| 727 | } else { |
| 728 | DWORD error = GetLastError(); |
| 729 | if (error == ERROR_FILE_NOT_FOUND) |
| 730 | errno = ENOENT; |
| 731 | |
| 732 | else if (error == ERROR_PATH_NOT_FOUND) |
| 733 | errno = ENOTDIR; |
| 734 | else if (error == ERROR_TOO_MANY_OPEN_FILES) |
| 735 | errno = ENFILE; |
| 736 | else if (error == ERROR_ACCESS_DENIED) |
| 737 | errno = EACCES; |
| 738 | else |
| 739 | errno = error; |
| 740 | } |
| 741 | |
| 742 | return dc; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 743 | } |
| 744 | |
| 745 | int closedir(DIR *dirp) |
| 746 | { |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 747 | if (dirp != NULL && dirp->find_handle != INVALID_HANDLE_VALUE) |
| 748 | FindClose(dirp->find_handle); |
| 749 | |
| 750 | free(dirp); |
| 751 | return 0; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 752 | } |
| 753 | |
| 754 | struct dirent *readdir(DIR *dirp) |
| 755 | { |
Bruce Cran | ad9c0fb | 2012-08-21 15:45:57 +0200 | [diff] [blame] | 756 | static struct dirent de; |
| 757 | WIN32_FIND_DATA find_data; |
| 758 | |
| 759 | if (dirp == NULL) |
| 760 | return NULL; |
| 761 | |
| 762 | if (dirp->find_handle == INVALID_HANDLE_VALUE) { |
| 763 | char search_pattern[MAX_PATH]; |
| 764 | StringCchPrintfA(search_pattern, MAX_PATH, "%s\\*", dirp->dirname); |
| 765 | dirp->find_handle = FindFirstFileA(search_pattern, &find_data); |
| 766 | if (dirp->find_handle == INVALID_HANDLE_VALUE) |
| 767 | return NULL; |
| 768 | } else { |
| 769 | if (!FindNextFile(dirp->find_handle, &find_data)) |
| 770 | return NULL; |
| 771 | } |
| 772 | |
| 773 | StringCchCopyA(de.d_name, MAX_PATH, find_data.cFileName); |
| 774 | de.d_ino = 0; |
| 775 | |
| 776 | return &de; |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 777 | } |
| 778 | |
| 779 | uid_t geteuid(void) |
| 780 | { |
| 781 | log_err("%s is not implemented\n", __func__); |
| 782 | errno = ENOSYS; |
| 783 | return -1; |
| 784 | } |
| 785 | |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 786 | const char* inet_ntop(int af, const void *restrict src, |
| 787 | char *restrict dst, socklen_t size) |
| 788 | { |
| 789 | INT status = SOCKET_ERROR; |
| 790 | WSADATA wsd; |
| 791 | char *ret = NULL; |
| 792 | |
| 793 | if (af != AF_INET && af != AF_INET6) { |
| 794 | errno = EAFNOSUPPORT; |
| 795 | return NULL; |
| 796 | } |
| 797 | |
| 798 | WSAStartup(MAKEWORD(2,2), &wsd); |
| 799 | |
| 800 | if (af == AF_INET) { |
| 801 | struct sockaddr_in si; |
| 802 | DWORD len = size; |
| 803 | memset(&si, 0, sizeof(si)); |
| 804 | si.sin_family = af; |
| 805 | memcpy(&si.sin_addr, src, sizeof(si.sin_addr)); |
| 806 | status = WSAAddressToString((struct sockaddr*)&si, sizeof(si), NULL, dst, &len); |
| 807 | } else if (af == AF_INET6) { |
| 808 | struct sockaddr_in6 si6; |
| 809 | DWORD len = size; |
| 810 | memset(&si6, 0, sizeof(si6)); |
| 811 | si6.sin6_family = af; |
| 812 | memcpy(&si6.sin6_addr, src, sizeof(si6.sin6_addr)); |
| 813 | status = WSAAddressToString((struct sockaddr*)&si6, sizeof(si6), NULL, dst, &len); |
| 814 | } |
| 815 | |
| 816 | if (status != SOCKET_ERROR) |
| 817 | ret = dst; |
| 818 | else |
| 819 | errno = ENOSPC; |
| 820 | |
| 821 | WSACleanup(); |
Bruce Cran | 3f457be | 2012-10-10 13:37:41 +0100 | [diff] [blame] | 822 | |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 823 | return ret; |
| 824 | } |
| 825 | |
Bruce Cran | 3f457be | 2012-10-10 13:37:41 +0100 | [diff] [blame] | 826 | int inet_aton(const char *cp, struct in_addr *inp) |
| 827 | { |
| 828 | return inet_pton(AF_INET, cp, inp); |
| 829 | } |
| 830 | |
Bruce Cran | 9277ec1 | 2012-02-20 19:28:39 +0000 | [diff] [blame] | 831 | int inet_pton(int af, const char *restrict src, void *restrict dst) |
| 832 | { |
| 833 | INT status = SOCKET_ERROR; |
| 834 | WSADATA wsd; |
| 835 | int ret = 1; |
| 836 | |
| 837 | if (af != AF_INET && af != AF_INET6) { |
| 838 | errno = EAFNOSUPPORT; |
| 839 | return -1; |
| 840 | } |
| 841 | |
| 842 | WSAStartup(MAKEWORD(2,2), &wsd); |
| 843 | |
| 844 | if (af == AF_INET) { |
| 845 | struct sockaddr_in si; |
| 846 | INT len = sizeof(si); |
| 847 | memset(&si, 0, sizeof(si)); |
| 848 | si.sin_family = af; |
| 849 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si, &len); |
| 850 | if (status != SOCKET_ERROR) |
| 851 | memcpy(dst, &si.sin_addr, sizeof(si.sin_addr)); |
| 852 | } else if (af == AF_INET6) { |
| 853 | struct sockaddr_in6 si6; |
| 854 | INT len = sizeof(si6); |
| 855 | memset(&si6, 0, sizeof(si6)); |
| 856 | si6.sin6_family = af; |
| 857 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si6, &len); |
| 858 | if (status != SOCKET_ERROR) |
| 859 | memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr)); |
| 860 | } |
| 861 | |
| 862 | if (status == SOCKET_ERROR) { |
| 863 | errno = ENOSPC; |
| 864 | ret = 0; |
| 865 | } |
| 866 | |
| 867 | WSACleanup(); |
| 868 | |
| 869 | return ret; |
| 870 | } |