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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef prunixos_h___ | |
| 7 #define prunixos_h___ | |
| 8 | |
| 9 /* | |
| 10 * If FD_SETSIZE is not defined on the command line, set the default value | |
| 11 * before include select.h | |
| 12 */ | |
| 13 /* | |
| 14 * Linux: FD_SETSIZE is defined in /usr/include/sys/select.h and should | |
| 15 * not be redefined. | |
| 16 */ | |
| 17 #if !defined(LINUX) && !defined(__GNU__) && !defined(__GLIBC__) \ | |
| 18 && !defined(DARWIN) | |
| 19 #ifndef FD_SETSIZE | |
| 20 #define FD_SETSIZE 4096 | |
| 21 #endif | |
| 22 #endif | |
| 23 | |
| 24 #include <unistd.h> | |
| 25 #include <stddef.h> | |
| 26 #include <sys/stat.h> | |
| 27 #include <dirent.h> | |
| 28 #include <errno.h> | |
| 29 | |
| 30 #include "prio.h" | |
| 31 #include "prmem.h" | |
| 32 #include "prclist.h" | |
| 33 | |
| 34 /* | |
| 35 * For select(), fd_set, and struct timeval. | |
| 36 * | |
| 37 * In The Single UNIX(R) Specification, Version 2, | |
| 38 * the header file for select() is <sys/time.h>. | |
| 39 * In Version 3, the header file for select() is | |
| 40 * changed to <sys/select.h>. | |
| 41 * | |
| 42 * fd_set is defined in <sys/types.h>. Usually | |
| 43 * <sys/time.h> includes <sys/types.h>, but on some | |
| 44 * older systems <sys/time.h> does not include | |
| 45 * <sys/types.h>, so we include it explicitly. | |
| 46 */ | |
| 47 #include <sys/time.h> | |
| 48 #include <sys/types.h> | |
| 49 #if defined(AIX) || defined(SYMBIAN) | |
| 50 #include <sys/select.h> | |
| 51 #endif | |
| 52 | |
| 53 #ifndef SYMBIAN | |
| 54 #define HAVE_NETINET_TCP_H | |
| 55 #endif | |
| 56 | |
| 57 #define _PR_HAVE_O_APPEND | |
| 58 | |
| 59 #define PR_DIRECTORY_SEPARATOR '/' | |
| 60 #define PR_DIRECTORY_SEPARATOR_STR "/" | |
| 61 #define PR_PATH_SEPARATOR ':' | |
| 62 #define PR_PATH_SEPARATOR_STR ":" | |
| 63 typedef int (*FARPROC)(); | |
| 64 | |
| 65 /* | |
| 66 * intervals at which GLOBAL threads wakeup to check for pending interrupt | |
| 67 */ | |
| 68 #define _PR_INTERRUPT_CHECK_INTERVAL_SECS 5 | |
| 69 extern PRIntervalTime intr_timeout_ticks; | |
| 70 | |
| 71 /* | |
| 72 * The bit flags for the in_flags and out_flags fields | |
| 73 * of _PR_UnixPollDesc | |
| 74 */ | |
| 75 #ifdef _PR_USE_POLL | |
| 76 #define _PR_UNIX_POLL_READ POLLIN | |
| 77 #define _PR_UNIX_POLL_WRITE POLLOUT | |
| 78 #define _PR_UNIX_POLL_EXCEPT POLLPRI | |
| 79 #define _PR_UNIX_POLL_ERR POLLERR | |
| 80 #define _PR_UNIX_POLL_NVAL POLLNVAL | |
| 81 #define _PR_UNIX_POLL_HUP POLLHUP | |
| 82 #else /* _PR_USE_POLL */ | |
| 83 #define _PR_UNIX_POLL_READ 0x1 | |
| 84 #define _PR_UNIX_POLL_WRITE 0x2 | |
| 85 #define _PR_UNIX_POLL_EXCEPT 0x4 | |
| 86 #define _PR_UNIX_POLL_ERR 0x8 | |
| 87 #define _PR_UNIX_POLL_NVAL 0x10 | |
| 88 #define _PR_UNIX_POLL_HUP 0x20 | |
| 89 #endif /* _PR_USE_POLL */ | |
| 90 | |
| 91 typedef struct _PRUnixPollDesc { | |
| 92 PRInt32 osfd; | |
| 93 PRInt16 in_flags; | |
| 94 PRInt16 out_flags; | |
| 95 } _PRUnixPollDesc; | |
| 96 | |
| 97 typedef struct PRPollQueue { | |
| 98 PRCList links; /* for linking PRPollQueue's together */ | |
| 99 _PRUnixPollDesc *pds; /* array of poll descriptors */ | |
| 100 PRUintn npds; /* length of the array */ | |
| 101 PRPackedBool on_ioq; /* is this on the async i/o work q? */ | |
| 102 PRIntervalTime timeout; /* timeout, in ticks */ | |
| 103 struct PRThread *thr; | |
| 104 } PRPollQueue; | |
| 105 | |
| 106 #define _PR_POLLQUEUE_PTR(_qp) \ | |
| 107 ((PRPollQueue*) ((char*) (_qp) - offsetof(PRPollQueue,links))) | |
| 108 | |
| 109 | |
| 110 extern PRInt32 _PR_WaitForMultipleFDs( | |
| 111 _PRUnixPollDesc *unixpds, | |
| 112 PRInt32 pdcnt, | |
| 113 PRIntervalTime timeout); | |
| 114 extern void _PR_Unblock_IO_Wait(struct PRThread *thr); | |
| 115 | |
| 116 #if defined(_PR_LOCAL_THREADS_ONLY) || defined(_PR_GLOBAL_THREADS_ONLY) | |
| 117 #define _MD_CHECK_FOR_EXIT() | |
| 118 #endif | |
| 119 | |
| 120 extern fd_set _pr_md_read_set, _pr_md_write_set, _pr_md_exception_set; | |
| 121 extern PRInt16 _pr_md_read_cnt[], _pr_md_write_cnt[], _pr_md_exception_cnt[]; | |
| 122 extern PRInt32 _pr_md_ioq_max_osfd; | |
| 123 extern PRUint32 _pr_md_ioq_timeout; | |
| 124 | |
| 125 struct _MDFileDesc { | |
| 126 int osfd; | |
| 127 #if defined(LINUX) && defined(_PR_PTHREADS) | |
| 128 int tcp_nodelay; /* used by pt_LinuxSendFile */ | |
| 129 #endif | |
| 130 }; | |
| 131 | |
| 132 struct _MDDir { | |
| 133 DIR *d; | |
| 134 }; | |
| 135 | |
| 136 struct _PRCPU; | |
| 137 extern void _MD_unix_init_running_cpu(struct _PRCPU *cpu); | |
| 138 | |
| 139 /* | |
| 140 ** Make a redzone at both ends of the stack segment. Disallow access | |
| 141 ** to those pages of memory. It's ok if the mprotect call's don't | |
| 142 ** work - it just means that we don't really have a functional | |
| 143 ** redzone. | |
| 144 */ | |
| 145 #include <sys/mman.h> | |
| 146 #ifndef PROT_NONE | |
| 147 #define PROT_NONE 0x0 | |
| 148 #endif | |
| 149 | |
| 150 #if defined(DEBUG) && !defined(DARWIN) | |
| 151 #if !defined(SOLARIS) | |
| 152 #include <string.h> /* for memset() */ | |
| 153 #define _MD_INIT_STACK(ts,REDZONE) \ | |
| 154 PR_BEGIN_MACRO \ | |
| 155 (void) mprotect((void*)ts->seg->vaddr, REDZONE, PROT_NONE); \ | |
| 156 (void) mprotect((void*) ((char*)ts->seg->vaddr + REDZONE + ts->stackSize
),\ | |
| 157 REDZONE, PROT_NONE); \ | |
| 158 /* \ | |
| 159 ** Fill stack memory with something that turns into an illegal \ | |
| 160 ** pointer value. This will sometimes find runtime references to \ | |
| 161 ** uninitialized pointers. We don't do this for solaris because we \ | |
| 162 ** can use purify instead. \ | |
| 163 */ \ | |
| 164 if (_pr_debugStacks) { \ | |
| 165 memset(ts->allocBase + REDZONE, 0xf7, ts->stackSize); \ | |
| 166 } \ | |
| 167 PR_END_MACRO | |
| 168 #else /* !SOLARIS */ | |
| 169 #define _MD_INIT_STACK(ts,REDZONE) \ | |
| 170 PR_BEGIN_MACRO \ | |
| 171 (void) mprotect((void*)ts->seg->vaddr, REDZONE, PROT_NONE); \ | |
| 172 (void) mprotect((void*) ((char*)ts->seg->vaddr + REDZONE + ts->stackSize
),\ | |
| 173 REDZONE, PROT_NONE); \ | |
| 174 PR_END_MACRO | |
| 175 #endif /* !SOLARIS */ | |
| 176 | |
| 177 /* | |
| 178 * _MD_CLEAR_STACK | |
| 179 * Allow access to the redzone pages; the access was turned off in | |
| 180 * _MD_INIT_STACK. | |
| 181 */ | |
| 182 #define _MD_CLEAR_STACK(ts) \ | |
| 183 PR_BEGIN_MACRO \ | |
| 184 (void) mprotect((void*)ts->seg->vaddr, REDZONE, PROT_READ|PROT_WRITE);\ | |
| 185 (void) mprotect((void*) ((char*)ts->seg->vaddr + REDZONE + ts->stackSize
),\ | |
| 186 REDZONE, PROT_READ|PROT_WRITE); \ | |
| 187 PR_END_MACRO | |
| 188 | |
| 189 #else /* DEBUG */ | |
| 190 | |
| 191 #define _MD_INIT_STACK(ts,REDZONE) | |
| 192 #define _MD_CLEAR_STACK(ts) | |
| 193 | |
| 194 #endif /* DEBUG */ | |
| 195 | |
| 196 #if !defined(SOLARIS) | |
| 197 | |
| 198 #define PR_SET_INTSOFF(newval) | |
| 199 | |
| 200 #endif | |
| 201 | |
| 202 /************************************************************************/ | |
| 203 | |
| 204 extern void _PR_UnixInit(void); | |
| 205 | |
| 206 extern void _PR_UnixCleanup(void); | |
| 207 #define _MD_EARLY_CLEANUP _PR_UnixCleanup | |
| 208 | |
| 209 /************************************************************************/ | |
| 210 | |
| 211 struct _MDProcess { | |
| 212 pid_t pid; | |
| 213 }; | |
| 214 | |
| 215 struct PRProcess; | |
| 216 struct PRProcessAttr; | |
| 217 | |
| 218 /* Create a new process (fork() + exec()) */ | |
| 219 #define _MD_CREATE_PROCESS _MD_CreateUnixProcess | |
| 220 extern struct PRProcess * _MD_CreateUnixProcess( | |
| 221 const char *path, | |
| 222 char *const *argv, | |
| 223 char *const *envp, | |
| 224 const struct PRProcessAttr *attr | |
| 225 ); | |
| 226 | |
| 227 #define _MD_DETACH_PROCESS _MD_DetachUnixProcess | |
| 228 extern PRStatus _MD_DetachUnixProcess(struct PRProcess *process); | |
| 229 | |
| 230 /* Wait for a child process to terminate */ | |
| 231 #define _MD_WAIT_PROCESS _MD_WaitUnixProcess | |
| 232 extern PRStatus _MD_WaitUnixProcess(struct PRProcess *process, | |
| 233 PRInt32 *exitCode); | |
| 234 | |
| 235 #define _MD_KILL_PROCESS _MD_KillUnixProcess | |
| 236 extern PRStatus _MD_KillUnixProcess(struct PRProcess *process); | |
| 237 | |
| 238 /************************************************************************/ | |
| 239 | |
| 240 extern void _MD_EnableClockInterrupts(void); | |
| 241 extern void _MD_DisableClockInterrupts(void); | |
| 242 | |
| 243 #define _MD_START_INTERRUPTS _MD_StartInterrupts | |
| 244 #define _MD_STOP_INTERRUPTS _MD_StopInterrupts | |
| 245 #define _MD_DISABLE_CLOCK_INTERRUPTS _MD_DisableClockInterrupts | |
| 246 #define _MD_ENABLE_CLOCK_INTERRUPTS _MD_EnableClockInterrupts | |
| 247 #define _MD_BLOCK_CLOCK_INTERRUPTS _MD_BlockClockInterrupts | |
| 248 #define _MD_UNBLOCK_CLOCK_INTERRUPTS _MD_UnblockClockInterrupts | |
| 249 | |
| 250 /************************************************************************/ | |
| 251 | |
| 252 extern void _MD_InitCPUS(void); | |
| 253 #define _MD_INIT_CPUS _MD_InitCPUS | |
| 254 | |
| 255 extern void _MD_Wakeup_CPUs(void); | |
| 256 #define _MD_WAKEUP_CPUS _MD_Wakeup_CPUs | |
| 257 | |
| 258 #define _MD_PAUSE_CPU _MD_PauseCPU | |
| 259 | |
| 260 #if defined(_PR_LOCAL_THREADS_ONLY) || defined(_PR_GLOBAL_THREADS_ONLY) | |
| 261 #define _MD_CLEANUP_BEFORE_EXIT() | |
| 262 #endif | |
| 263 | |
| 264 #ifndef IRIX | |
| 265 #define _MD_EXIT(status) _exit(status) | |
| 266 #endif | |
| 267 | |
| 268 /************************************************************************/ | |
| 269 | |
| 270 #define _MD_GET_ENV getenv | |
| 271 #define _MD_PUT_ENV putenv | |
| 272 | |
| 273 /************************************************************************/ | |
| 274 | |
| 275 #define _MD_INIT_FILEDESC(fd) | |
| 276 | |
| 277 extern void _MD_MakeNonblock(PRFileDesc *fd); | |
| 278 #define _MD_MAKE_NONBLOCK _MD_MakeNonblock | |
| 279 | |
| 280 /************************************************************************/ | |
| 281 | |
| 282 #if !defined(_PR_PTHREADS) | |
| 283 | |
| 284 extern void _MD_InitSegs(void); | |
| 285 extern PRStatus _MD_AllocSegment(PRSegment *seg, PRUint32 size, | |
| 286 void *vaddr); | |
| 287 extern void _MD_FreeSegment(PRSegment *seg); | |
| 288 | |
| 289 #define _MD_INIT_SEGS _MD_InitSegs | |
| 290 #define _MD_ALLOC_SEGMENT _MD_AllocSegment | |
| 291 #define _MD_FREE_SEGMENT _MD_FreeSegment | |
| 292 | |
| 293 #endif /* !defined(_PR_PTHREADS) */ | |
| 294 | |
| 295 /************************************************************************/ | |
| 296 | |
| 297 #ifdef _MD_INTERVAL_USE_GTOD | |
| 298 extern PRIntervalTime _PR_UNIX_GetInterval(void); | |
| 299 extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); | |
| 300 #define _MD_INTERVAL_INIT() | |
| 301 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
| 302 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
| 303 #endif | |
| 304 | |
| 305 #ifdef _PR_HAVE_CLOCK_MONOTONIC | |
| 306 extern PRIntervalTime _PR_UNIX_GetInterval2(void); | |
| 307 extern PRIntervalTime _PR_UNIX_TicksPerSecond2(void); | |
| 308 #define _MD_INTERVAL_INIT() | |
| 309 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval2 | |
| 310 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond2 | |
| 311 #endif | |
| 312 | |
| 313 #define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000) | |
| 314 #define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000) | |
| 315 | |
| 316 /************************************************************************/ | |
| 317 | |
| 318 #define _MD_ERRNO() (errno) | |
| 319 #define _MD_GET_SOCKET_ERROR() (errno) | |
| 320 | |
| 321 /************************************************************************/ | |
| 322 | |
| 323 extern PRInt32 _MD_AvailableSocket(PRInt32 osfd); | |
| 324 | |
| 325 extern void _MD_StartInterrupts(void); | |
| 326 extern void _MD_StopInterrupts(void); | |
| 327 extern void _MD_DisableClockInterrupts(void); | |
| 328 extern void _MD_BlockClockInterrupts(void); | |
| 329 extern void _MD_UnblockClockInterrupts(void); | |
| 330 extern void _MD_PauseCPU(PRIntervalTime timeout); | |
| 331 | |
| 332 extern PRStatus _MD_open_dir(struct _MDDir *, const char *); | |
| 333 extern PRInt32 _MD_close_dir(struct _MDDir *); | |
| 334 extern char * _MD_read_dir(struct _MDDir *, PRIntn); | |
| 335 extern PRInt32 _MD_open(const char *name, PRIntn osflags, PRIntn mode); | |
| 336 extern PRInt32 _MD_delete(const char *name); | |
| 337 extern PRInt32 _MD_getfileinfo(const char *fn, PRFileInfo *info); | |
| 338 extern PRInt32 _MD_getfileinfo64(const char *fn, PRFileInfo64 *info); | |
| 339 extern PRInt32 _MD_getopenfileinfo(const PRFileDesc *fd, PRFileInfo *info); | |
| 340 extern PRInt32 _MD_getopenfileinfo64(const PRFileDesc *fd, PRFileInfo64 *info); | |
| 341 extern PRInt32 _MD_rename(const char *from, const char *to); | |
| 342 extern PRInt32 _MD_access(const char *name, PRAccessHow how); | |
| 343 extern PRInt32 _MD_mkdir(const char *name, PRIntn mode); | |
| 344 extern PRInt32 _MD_rmdir(const char *name); | |
| 345 extern PRInt32 _MD_accept_read(PRInt32 sock, PRInt32 *newSock, | |
| 346 PRNetAddr **raddr, void *buf, PRInt32 amount); | |
| 347 extern PRInt32 _PR_UnixSendFile(PRFileDesc *sd, PRSendFileData *sfd, | |
| 348 PRTransmitFileFlags flags, PRIntervalTime timeout); | |
| 349 | |
| 350 extern PRStatus _MD_LockFile(PRInt32 osfd); | |
| 351 extern PRStatus _MD_TLockFile(PRInt32 osfd); | |
| 352 extern PRStatus _MD_UnlockFile(PRInt32 osfd); | |
| 353 | |
| 354 #define _MD_OPEN_DIR(dir, name) _MD_open_dir(dir, name) | |
| 355 #define _MD_CLOSE_DIR(dir) _MD_close_dir(dir) | |
| 356 #define _MD_READ_DIR(dir, flags) _MD_read_dir(dir, flags) | |
| 357 #define _MD_OPEN(name, osflags, mode) _MD_open(name, osflags, mode) | |
| 358 #define _MD_OPEN_FILE(name, osflags, mode) _MD_open(name, osflags, mode) | |
| 359 extern PRInt32 _MD_read(PRFileDesc *fd, void *buf, PRInt32 amount); | |
| 360 #define _MD_READ(fd,buf,amount) _MD_read(fd,buf,amount) | |
| 361 extern PRInt32 _MD_write(PRFileDesc *fd, const void *buf, PRInt32 amount); | |
| 362 #define _MD_WRITE(fd,buf,amount) _MD_write(fd,buf,amount) | |
| 363 #define _MD_DELETE(name) _MD_delete(name) | |
| 364 #define _MD_GETFILEINFO(fn, info) _MD_getfileinfo(fn, info) | |
| 365 #define _MD_GETFILEINFO64(fn, info) _MD_getfileinfo64(fn, info) | |
| 366 #define _MD_GETOPENFILEINFO(fd, info) _MD_getopenfileinfo(fd, info) | |
| 367 #define _MD_GETOPENFILEINFO64(fd, info) _MD_getopenfileinfo64(fd, info) | |
| 368 #define _MD_RENAME(from, to) _MD_rename(from, to) | |
| 369 #define _MD_ACCESS(name, how) _MD_access(name, how) | |
| 370 #define _MD_MKDIR(name, mode) _MD_mkdir(name, mode) | |
| 371 #define _MD_MAKE_DIR(name, mode) _MD_mkdir(name, mode) | |
| 372 #define _MD_RMDIR(name) _MD_rmdir(name) | |
| 373 #define _MD_ACCEPT_READ(sock, newSock, raddr, buf, amount) _MD_accept_read(
sock, newSock, raddr, buf, amount) | |
| 374 | |
| 375 #define _MD_LOCKFILE _MD_LockFile | |
| 376 #define _MD_TLOCKFILE _MD_TLockFile | |
| 377 #define _MD_UNLOCKFILE _MD_UnlockFile | |
| 378 | |
| 379 | |
| 380 extern PRInt32 _MD_socket(int af, int type, int flags); | |
| 381 #define _MD_SOCKET _MD_socket | |
| 382 extern PRInt32 _MD_connect(PRFileDesc *fd, const PRNetAddr *addr, | |
| 383 PRUint32 addrlen
, PRIntervalTime timeout); | |
| 384 #define _MD_CONNECT _MD_connect | |
| 385 extern PRInt32 _MD_accept(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *ad
drlen, | |
| 386
PRIntervalTime timeout); | |
| 387 #define _MD_ACCEPT _MD_accept | |
| 388 extern PRInt32 _MD_bind(PRFileDesc *fd, const PRNetAddr *addr, PRUint32
addrlen); | |
| 389 #define _MD_BIND _MD_bind | |
| 390 extern PRInt32 _MD_listen(PRFileDesc *fd, PRIntn backlog); | |
| 391 #define _MD_LISTEN _MD_listen | |
| 392 extern PRInt32 _MD_shutdown(PRFileDesc *fd, PRIntn how); | |
| 393 #define _MD_SHUTDOWN _MD_shutdown | |
| 394 | |
| 395 extern PRInt32 _MD_recv(PRFileDesc *fd, void *buf, PRInt32 amount, | |
| 396 PRIntn flags, PRIntervalTime timeout); | |
| 397 #define _MD_RECV _MD_recv | |
| 398 extern PRInt32 _MD_send(PRFileDesc *fd, const void *buf, PRInt32 amount
, | |
| 399 PRIntn f
lags, PRIntervalTime timeout); | |
| 400 #define _MD_SEND _MD_send | |
| 401 extern PRInt32 _MD_recvfrom(PRFileDesc *fd, void *buf, PRInt32 amount, | |
| 402 PRIntn flags, PRNetAddr *addr, P
RUint32 *addrlen, | |
| 403
PRIntervalTime timeout); | |
| 404 #define _MD_RECVFROM _MD_recvfrom | |
| 405 extern PRInt32 _MD_sendto(PRFileDesc *fd, const void *buf, PRInt32 amount, | |
| 406 PRIntn flags, const PRNe
tAddr *addr, PRUint32 addrlen, | |
| 407
PRIntervalTime timeout); | |
| 408 #define _MD_SENDTO _MD_sendto | |
| 409 extern PRInt32 _MD_writev(PRFileDesc *fd, const struct PRIOVec *iov, | |
| 410 PRInt32 iov_size
, PRIntervalTime timeout); | |
| 411 #define _MD_WRITEV _MD_writev | |
| 412 | |
| 413 extern PRInt32 _MD_socketavailable(PRFileDesc *fd); | |
| 414 #define _MD_SOCKETAVAILABLE _MD_socketavailable | |
| 415 extern PRInt64 _MD_socketavailable64(PRFileDesc *fd); | |
| 416 #define _MD_SOCKETAVAILABLE64 _MD_socketavailable64 | |
| 417 | |
| 418 #define _MD_PIPEAVAILABLE _MD_socketavailable | |
| 419 | |
| 420 extern PRInt32 _MD_pr_poll(PRPollDesc *pds, PRIntn npds, | |
| 421
PRIntervalTime timeout); | |
| 422 #define _MD_PR_POLL _MD_pr_poll | |
| 423 | |
| 424 extern PRInt32 _MD_close(PRInt32 osfd); | |
| 425 #define _MD_CLOSE_FILE _MD_close | |
| 426 extern PRInt32 _MD_lseek(PRFileDesc*, PRInt32, PRSeekWhence); | |
| 427 #define _MD_LSEEK _MD_lseek | |
| 428 extern PRInt64 _MD_lseek64(PRFileDesc*, PRInt64, PRSeekWhence); | |
| 429 #define _MD_LSEEK64 _MD_lseek64 | |
| 430 extern PRInt32 _MD_fsync(PRFileDesc *fd); | |
| 431 #define _MD_FSYNC _MD_fsync | |
| 432 | |
| 433 extern PRInt32 _MD_socketpair(int af, int type, int flags, PRInt32 *osfd); | |
| 434 #define _MD_SOCKETPAIR _MD_socketpair | |
| 435 | |
| 436 #define _MD_CLOSE_SOCKET _MD_close | |
| 437 | |
| 438 #ifndef NO_NSPR_10_SUPPORT | |
| 439 #define _MD_STAT stat | |
| 440 #endif | |
| 441 | |
| 442 extern PRStatus _MD_getpeername(PRFileDesc *fd, PRNetAddr *addr, | |
| 443
PRUint32 *addrlen); | |
| 444 #define _MD_GETPEERNAME _MD_getpeername | |
| 445 extern PRStatus _MD_getsockname(PRFileDesc *fd, PRNetAddr *addr, | |
| 446
PRUint32 *addrlen); | |
| 447 #define _MD_GETSOCKNAME _MD_getsockname | |
| 448 | |
| 449 extern PRStatus _MD_getsockopt(PRFileDesc *fd, PRInt32 level, | |
| 450 PRInt32 optname, char* optval, P
RInt32* optlen); | |
| 451 #define _MD_GETSOCKOPT _MD_getsockopt | |
| 452 extern PRStatus _MD_setsockopt(PRFileDesc *fd, PRInt32 level, | |
| 453 PRInt32 optname, const char* optval, PRI
nt32 optlen); | |
| 454 #define _MD_SETSOCKOPT _MD_setsockopt | |
| 455 | |
| 456 extern PRStatus _MD_set_fd_inheritable(PRFileDesc *fd, PRBool inheritable); | |
| 457 #define _MD_SET_FD_INHERITABLE _MD_set_fd_inheritable | |
| 458 | |
| 459 extern void _MD_init_fd_inheritable(PRFileDesc *fd, PRBool imported); | |
| 460 #define _MD_INIT_FD_INHERITABLE _MD_init_fd_inheritable | |
| 461 | |
| 462 extern void _MD_query_fd_inheritable(PRFileDesc *fd); | |
| 463 #define _MD_QUERY_FD_INHERITABLE _MD_query_fd_inheritable | |
| 464 | |
| 465 extern PRStatus _MD_gethostname(char *name, PRUint32 namelen); | |
| 466 #define _MD_GETHOSTNAME _MD_gethostname | |
| 467 | |
| 468 extern PRStatus _MD_getsysinfo(PRSysInfo cmd, char *name, PRUint32 namelen); | |
| 469 #define _MD_GETSYSINFO _MD_getsysinfo | |
| 470 | |
| 471 extern int _MD_unix_get_nonblocking_connect_error(int osfd); | |
| 472 | |
| 473 /* Memory-mapped files */ | |
| 474 | |
| 475 struct _MDFileMap { | |
| 476 PRIntn prot; | |
| 477 PRIntn flags; | |
| 478 PRBool isAnonFM; /* when true, PR_CloseFileMap() must close the related fd *
/ | |
| 479 }; | |
| 480 | |
| 481 extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size); | |
| 482 #define _MD_CREATE_FILE_MAP _MD_CreateFileMap | |
| 483 | |
| 484 #define _MD_GET_MEM_MAP_ALIGNMENT() PR_GetPageSize() | |
| 485 | |
| 486 extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset, | |
| 487 PRUint32 len); | |
| 488 #define _MD_MEM_MAP _MD_MemMap | |
| 489 | |
| 490 extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size); | |
| 491 #define _MD_MEM_UNMAP _MD_MemUnmap | |
| 492 | |
| 493 extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap); | |
| 494 #define _MD_CLOSE_FILE_MAP _MD_CloseFileMap | |
| 495 | |
| 496 extern PRStatus _MD_SyncMemMap( | |
| 497 PRFileDesc *fd, | |
| 498 void *addr, | |
| 499 PRUint32 len); | |
| 500 #define _MD_SYNC_MEM_MAP _MD_SyncMemMap | |
| 501 | |
| 502 /* | |
| 503 * The standard (XPG4) gettimeofday() (from BSD) takes two arguments. | |
| 504 * On some SVR4 derivatives, gettimeofday() takes only one argument. | |
| 505 * The GETTIMEOFDAY macro is intended to hide this difference. | |
| 506 */ | |
| 507 #ifdef HAVE_SVID_GETTOD | |
| 508 #define GETTIMEOFDAY(tp) gettimeofday(tp) | |
| 509 #else | |
| 510 #define GETTIMEOFDAY(tp) gettimeofday((tp), NULL) | |
| 511 #endif | |
| 512 | |
| 513 #if defined(_PR_PTHREADS) && !defined(_PR_POLL_AVAILABLE) | |
| 514 #define _PR_NEED_FAKE_POLL | |
| 515 #endif | |
| 516 | |
| 517 #if defined(_PR_NEED_FAKE_POLL) | |
| 518 | |
| 519 /* | |
| 520 * Some platforms don't have poll(), but our pthreads code calls poll(). | |
| 521 * As a temporary measure, I implemented a fake poll() using select(). | |
| 522 * Here are the struct and macro definitions copied from sys/poll.h | |
| 523 * on Solaris 2.5. | |
| 524 */ | |
| 525 | |
| 526 struct pollfd { | |
| 527 int fd; | |
| 528 short events; | |
| 529 short revents; | |
| 530 }; | |
| 531 | |
| 532 /* poll events */ | |
| 533 | |
| 534 #define POLLIN 0x0001 /* fd is readable */ | |
| 535 #define POLLPRI 0x0002 /* high priority info at fd */ | |
| 536 #define POLLOUT 0x0004 /* fd is writeable (won't block) */ | |
| 537 #define POLLRDNORM 0x0040 /* normal data is readable */ | |
| 538 #define POLLWRNORM POLLOUT | |
| 539 #define POLLRDBAND 0x0080 /* out-of-band data is readable */ | |
| 540 #define POLLWRBAND 0x0100 /* out-of-band data is writeable */ | |
| 541 | |
| 542 #define POLLNORM POLLRDNORM | |
| 543 | |
| 544 #define POLLERR 0x0008 /* fd has error condition */ | |
| 545 #define POLLHUP 0x0010 /* fd has been hung up on */ | |
| 546 #define POLLNVAL 0x0020 /* invalid pollfd entry */ | |
| 547 | |
| 548 extern int poll(struct pollfd *, unsigned long, int); | |
| 549 | |
| 550 #endif /* _PR_NEED_FAKE_POLL */ | |
| 551 | |
| 552 /* | |
| 553 ** A vector of the UNIX I/O calls we use. These are here to smooth over | |
| 554 ** the rough edges needed for large files. All of NSPR's implmentaions | |
| 555 ** go through this vector using syntax of the form | |
| 556 ** result = _md_iovector.xxx64(args); | |
| 557 */ | |
| 558 | |
| 559 #if defined(SOLARIS2_5) | |
| 560 /* | |
| 561 ** Special case: Solaris 2.5.1 | |
| 562 ** Solaris starts to have 64-bit file I/O in 2.6. We build on Solaris | |
| 563 ** 2.5.1 so that we can use the same binaries on both Solaris 2.5.1 and | |
| 564 ** 2.6. At run time, we detect whether 64-bit file I/O is available by | |
| 565 ** looking up the 64-bit file function symbols in libc. At build time, | |
| 566 ** we need to define the 64-bit file I/O datatypes that are compatible | |
| 567 ** with their definitions on Solaris 2.6. | |
| 568 */ | |
| 569 typedef PRInt64 off64_t; | |
| 570 typedef PRUint64 ino64_t; | |
| 571 typedef PRInt64 blkcnt64_t; | |
| 572 struct stat64 { | |
| 573 dev_t st_dev; | |
| 574 long st_pad1[3]; | |
| 575 ino64_t st_ino; | |
| 576 mode_t st_mode; | |
| 577 nlink_t st_nlink; | |
| 578 uid_t st_uid; | |
| 579 gid_t st_gid; | |
| 580 dev_t st_rdev; | |
| 581 long t_pad2[2]; | |
| 582 off64_t st_size; | |
| 583 timestruc_t st_atim; | |
| 584 timestruc_t st_mtim; | |
| 585 timestruc_t st_ctim; | |
| 586 long st_blksize; | |
| 587 blkcnt64_t st_blocks; | |
| 588 char st_fstype[_ST_FSTYPSZ]; | |
| 589 long st_pad4[8]; | |
| 590 }; | |
| 591 typedef struct stat64 _MDStat64; | |
| 592 typedef off64_t _MDOff64_t; | |
| 593 | |
| 594 #elif defined(_PR_HAVE_OFF64_T) | |
| 595 typedef struct stat64 _MDStat64; | |
| 596 typedef off64_t _MDOff64_t; | |
| 597 #elif defined(_PR_HAVE_LARGE_OFF_T) | |
| 598 typedef struct stat _MDStat64; | |
| 599 typedef off_t _MDOff64_t; | |
| 600 #elif defined(_PR_NO_LARGE_FILES) | |
| 601 typedef struct stat _MDStat64; | |
| 602 typedef PRInt64 _MDOff64_t; | |
| 603 #else | |
| 604 #error "I don't know yet" | |
| 605 #endif | |
| 606 | |
| 607 typedef PRIntn (*_MD_Fstat64)(PRIntn osfd, _MDStat64 *buf); | |
| 608 typedef PRIntn (*_MD_Open64)(const char *path, int oflag, ...); | |
| 609 typedef PRIntn (*_MD_Stat64)(const char *path, _MDStat64 *buf); | |
| 610 typedef _MDOff64_t (*_MD_Lseek64)(PRIntn osfd, _MDOff64_t, PRIntn whence); | |
| 611 typedef void* (*_MD_Mmap64)( | |
| 612 void *addr, PRSize len, PRIntn prot, PRIntn flags, | |
| 613 PRIntn fildes, _MDOff64_t offset); | |
| 614 struct _MD_IOVector | |
| 615 { | |
| 616 _MD_Open64 _open64; | |
| 617 _MD_Mmap64 _mmap64; | |
| 618 _MD_Stat64 _stat64; | |
| 619 _MD_Fstat64 _fstat64; | |
| 620 _MD_Lseek64 _lseek64; | |
| 621 }; | |
| 622 extern struct _MD_IOVector _md_iovector; | |
| 623 | |
| 624 #endif /* prunixos_h___ */ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2078763002:
Delete bundled copy of NSS and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/nss@master