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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* | |
| 3 * The contents of this file are subject to the Mozilla Public | |
| 4 * License Version 1.1 (the "License"); you may not use this file | |
| 5 * except in compliance with the License. You may obtain a copy of | |
| 6 * the License at http://www.mozilla.org/MPL/ | |
| 7 * | |
| 8 * Software distributed under the License is distributed on an "AS | |
| 9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | |
| 10 * implied. See the License for the specific language governing | |
| 11 * rights and limitations under the License. | |
| 12 * | |
| 13 * The Original Code is the Netscape Portable Runtime (NSPR). | |
| 14 * | |
| 15 * The Initial Developer of the Original Code is Netscape | |
| 16 * Communications Corporation. Portions created by Netscape are | |
| 17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All | |
| 18 * Rights Reserved. | |
| 19 * | |
| 20 * Contributor(s): | |
| 21 * | |
| 22 * Alternatively, the contents of this file may be used under the | |
| 23 * terms of the GNU General Public License Version 2 or later (the | |
| 24 * "GPL"), in which case the provisions of the GPL are applicable | |
| 25 * instead of those above. If you wish to allow use of your | |
| 26 * version of this file only under the terms of the GPL and not to | |
| 27 * allow others to use your version of this file under the MPL, | |
| 28 * indicate your decision by deleting the provisions above and | |
| 29 * replace them with the notice and other provisions required by | |
| 30 * the GPL. If you do not delete the provisions above, a recipient | |
| 31 * may use your version of this file under either the MPL or the | |
| 32 * GPL. | |
| 33 */ | |
| 34 | |
| 35 #ifndef nspr_os2_defs_h___ | |
| 36 #define nspr_os2_defs_h___ | |
| 37 | |
| 38 #define INCL_DOS | |
| 39 #define INCL_DOSPROCESS | |
| 40 #define INCL_DOSERRORS | |
| 41 #define INCL_WIN | |
| 42 #define INCL_WPS | |
| 43 #include <os2.h> | |
| 44 #include <sys/select.h> | |
| 45 | |
| 46 #include "prio.h" | |
| 47 | |
| 48 #include <errno.h> | |
| 49 | |
| 50 #ifdef XP_OS2_VACPP | |
| 51 /* TODO RAMSEMs need to be written for GCC/EMX */ | |
| 52 #define USE_RAMSEM | |
| 53 #endif | |
| 54 | |
| 55 #ifdef USE_RAMSEM | |
| 56 #pragma pack(4) | |
| 57 | |
| 58 #pragma pack(2) | |
| 59 typedef struct _RAMSEM | |
| 60 { | |
| 61 ULONG ulTIDPID; | |
| 62 ULONG hevSem; | |
| 63 ULONG cLocks; | |
| 64 USHORT cWaiting; | |
| 65 USHORT cPosts; | |
| 66 } RAMSEM, *PRAMSEM; | |
| 67 | |
| 68 typedef struct _CRITICAL_SECTION | |
| 69 { | |
| 70 ULONG ulReserved[4]; /* Same size as RAMSEM */ | |
| 71 } CRITICAL_SECTION, *PCRITICAL_SECTION, *LPCRITICAL_SECTION; | |
| 72 #pragma pack(4) | |
| 73 | |
| 74 APIRET _Optlink SemRequest486(PRAMSEM, ULONG); | |
| 75 APIRET _Optlink SemReleasex86(PRAMSEM, ULONG); | |
| 76 #endif | |
| 77 | |
| 78 /* | |
| 79 * Internal configuration macros | |
| 80 */ | |
| 81 | |
| 82 #define PR_LINKER_ARCH "os2" | |
| 83 #define _PR_SI_SYSNAME "OS2" | |
| 84 #define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */ | |
| 85 | |
| 86 #define HAVE_DLL | |
| 87 #define _PR_GLOBAL_THREADS_ONLY | |
| 88 #undef HAVE_THREAD_AFFINITY | |
| 89 #define _PR_HAVE_THREADSAFE_GETHOST | |
| 90 #define _PR_HAVE_ATOMIC_OPS | |
| 91 | |
| 92 #define HANDLE unsigned long | |
| 93 #define HINSTANCE HMODULE | |
| 94 | |
| 95 /* --- Common User-Thread/Native-Thread Definitions --------------------- */ | |
| 96 | |
| 97 /* --- Globals --- */ | |
| 98 extern struct PRLock *_pr_schedLock; | |
| 99 | |
| 100 /* --- Typedefs --- */ | |
| 101 typedef void (*FiberFunc)(void *); | |
| 102 | |
| 103 #define PR_NUM_GCREGS 8 | |
| 104 typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS]; | |
| 105 #define GC_VMBASE 0x40000000 | |
| 106 #define GC_VMLIMIT 0x00FFFFFF | |
| 107 typedef int (*FARPROC)(); | |
| 108 | |
| 109 #define _MD_MAGIC_THREAD 0x22222222 | |
| 110 #define _MD_MAGIC_THREADSTACK 0x33333333 | |
| 111 #define _MD_MAGIC_SEGMENT 0x44444444 | |
| 112 #define _MD_MAGIC_DIR 0x55555555 | |
| 113 #define _MD_MAGIC_CV 0x66666666 | |
| 114 | |
| 115 struct _MDSemaphore { | |
| 116 HEV sem; | |
| 117 }; | |
| 118 | |
| 119 struct _MDCPU { | |
| 120 int unused; | |
| 121 }; | |
| 122 | |
| 123 struct _MDThread { | |
| 124 HEV blocked_sema; /* Threads block on this when waiting | |
| 125 * for IO or CondVar. | |
| 126 */ | |
| 127 PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the | |
| 128 * wait queue of some cond var. | |
| 129 * PR_FALSE otherwise. */ | |
| 130 TID handle; /* OS/2 thread handle */ | |
| 131 void *sp; /* only valid when suspended */ | |
| 132 PRUint32 magic; /* for debugging */ | |
| 133 PR_CONTEXT_TYPE gcContext; /* Thread context for GC */ | |
| 134 struct PRThread *prev, *next; /* used by the cvar wait queue to | |
| 135 * chain the PRThread structures | |
| 136 * together */ | |
| 137 }; | |
| 138 | |
| 139 struct _MDThreadStack { | |
| 140 PRUint32 magic; /* for debugging */ | |
| 141 }; | |
| 142 | |
| 143 struct _MDSegment { | |
| 144 PRUint32 magic; /* for debugging */ | |
| 145 }; | |
| 146 | |
| 147 #undef PROFILE_LOCKS | |
| 148 | |
| 149 struct _MDDir { | |
| 150 HDIR d_hdl; | |
| 151 FILEFINDBUF3 d_entry; | |
| 152 PRBool firstEntry; /* Is this the entry returned | |
| 153 * by FindFirstFile()? */ | |
| 154 PRUint32 magic; /* for debugging */ | |
| 155 }; | |
| 156 | |
| 157 struct _MDCVar { | |
| 158 PRUint32 magic; | |
| 159 struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly- | |
| 160 * linked list of threads | |
| 161 * waiting on this condition | |
| 162 * variable */ | |
| 163 PRIntn nwait; /* number of threads in the | |
| 164 * wait queue */ | |
| 165 }; | |
| 166 | |
| 167 #define _MD_CV_NOTIFIED_LENGTH 6 | |
| 168 typedef struct _MDNotified _MDNotified; | |
| 169 struct _MDNotified { | |
| 170 PRIntn length; /* # of used entries in this | |
| 171 * structure */ | |
| 172 struct { | |
| 173 struct _MDCVar *cv; /* the condition variable notified */ | |
| 174 PRIntn times; /* and the number of times notified */ | |
| 175 struct PRThread *notifyHead; /* list of threads to wake up */ | |
| 176 } cv[_MD_CV_NOTIFIED_LENGTH]; | |
| 177 _MDNotified *link; /* link to another of these, or NULL */ | |
| 178 }; | |
| 179 | |
| 180 struct _MDLock { | |
| 181 #ifdef USE_RAMSEM | |
| 182 CRITICAL_SECTION mutex; /* this is recursive on NT */ | |
| 183 #else | |
| 184 HMTX mutex; /* this is recursive on NT */ | |
| 185 #endif | |
| 186 | |
| 187 /* | |
| 188 * When notifying cvars, there is no point in actually | |
| 189 * waking up the threads waiting on the cvars until we've | |
| 190 * released the lock. So, we temporarily record the cvars. | |
| 191 * When doing an unlock, we'll then wake up the waiting threads. | |
| 192 */ | |
| 193 struct _MDNotified notified; /* array of conditions notified */ | |
| 194 #ifdef PROFILE_LOCKS | |
| 195 PRInt32 hitcount; | |
| 196 PRInt32 misscount; | |
| 197 #endif | |
| 198 }; | |
| 199 | |
| 200 struct _MDFileDesc { | |
| 201 PRInt32 osfd; /* The osfd can come from one of three spaces: | |
| 202 * - For stdin, stdout, and stderr, we are using | |
| 203 * the libc file handle (0, 1, 2), which is an int. | |
| 204 * - For files and pipes, we are using OS/2 handles, | |
| 205 * which is a void*. | |
| 206 * - For sockets, we are using int | |
| 207 */ | |
| 208 }; | |
| 209 | |
| 210 struct _MDProcess { | |
| 211 PID pid; | |
| 212 }; | |
| 213 | |
| 214 /* --- Misc stuff --- */ | |
| 215 #define _MD_GET_SP(thread) (thread)->md.gcContext[6] | |
| 216 | |
| 217 /* --- IO stuff --- */ | |
| 218 | |
| 219 #define _MD_OPEN (_PR_MD_OPEN) | |
| 220 #define _MD_OPEN_FILE (_PR_MD_OPEN) | |
| 221 #define _MD_READ (_PR_MD_READ) | |
| 222 #define _MD_WRITE (_PR_MD_WRITE) | |
| 223 #define _MD_WRITEV (_PR_MD_WRITEV) | |
| 224 #define _MD_LSEEK (_PR_MD_LSEEK) | |
| 225 #define _MD_LSEEK64 (_PR_MD_LSEEK64) | |
| 226 extern PRInt32 _MD_CloseFile(PRInt32 osfd); | |
| 227 #define _MD_CLOSE_FILE _MD_CloseFile | |
| 228 #define _MD_GETFILEINFO (_PR_MD_GETFILEINFO) | |
| 229 #define _MD_GETFILEINFO64 (_PR_MD_GETFILEINFO64) | |
| 230 #define _MD_GETOPENFILEINFO (_PR_MD_GETOPENFILEINFO) | |
| 231 #define _MD_GETOPENFILEINFO64 (_PR_MD_GETOPENFILEINFO64) | |
| 232 #define _MD_STAT (_PR_MD_STAT) | |
| 233 #define _MD_RENAME (_PR_MD_RENAME) | |
| 234 #define _MD_ACCESS (_PR_MD_ACCESS) | |
| 235 #define _MD_DELETE (_PR_MD_DELETE) | |
| 236 #define _MD_MKDIR (_PR_MD_MKDIR) | |
| 237 #define _MD_MAKE_DIR (_PR_MD_MKDIR) | |
| 238 #define _MD_RMDIR (_PR_MD_RMDIR) | |
| 239 #define _MD_LOCKFILE (_PR_MD_LOCKFILE) | |
| 240 #define _MD_TLOCKFILE (_PR_MD_TLOCKFILE) | |
| 241 #define _MD_UNLOCKFILE (_PR_MD_UNLOCKFILE) | |
| 242 | |
| 243 /* --- Socket IO stuff --- */ | |
| 244 | |
| 245 #define TCPV40HDRS | |
| 246 #define BSD_SELECT | |
| 247 | |
| 248 /* The ones that don't map directly may need to be re-visited... */ | |
| 249 #ifdef XP_OS2_VACPP | |
| 250 #define EPIPE EBADF | |
| 251 #define EIO ECONNREFUSED | |
| 252 #endif | |
| 253 #define _MD_EACCES EACCES | |
| 254 #define _MD_EADDRINUSE EADDRINUSE | |
| 255 #define _MD_EADDRNOTAVAIL EADDRNOTAVAIL | |
| 256 #define _MD_EAFNOSUPPORT EAFNOSUPPORT | |
| 257 #define _MD_EAGAIN EWOULDBLOCK | |
| 258 #define _MD_EALREADY EALREADY | |
| 259 #define _MD_EBADF EBADF | |
| 260 #define _MD_ECONNREFUSED ECONNREFUSED | |
| 261 #define _MD_ECONNRESET ECONNRESET | |
| 262 #define _MD_EFAULT SOCEFAULT | |
| 263 #define _MD_EINPROGRESS EINPROGRESS | |
| 264 #define _MD_EINTR EINTR | |
| 265 #define _MD_EINVAL EINVAL | |
| 266 #define _MD_EISCONN EISCONN | |
| 267 #define _MD_ENETUNREACH ENETUNREACH | |
| 268 #define _MD_ENOENT ENOENT | |
| 269 #define _MD_ENOTCONN ENOTCONN | |
| 270 #define _MD_ENOTSOCK ENOTSOCK | |
| 271 #define _MD_EOPNOTSUPP EOPNOTSUPP | |
| 272 #define _MD_EWOULDBLOCK EWOULDBLOCK | |
| 273 #define _MD_GET_SOCKET_ERROR() sock_errno() | |
| 274 #ifndef INADDR_LOOPBACK /* For some reason this is not defined in OS2 tcpip */ | |
| 275 /* #define INADDR_LOOPBACK INADDR_ANY */ | |
| 276 #endif | |
| 277 | |
| 278 #define _MD_INIT_FILEDESC(fd) | |
| 279 extern void _MD_MakeNonblock(PRFileDesc *f); | |
| 280 #define _MD_MAKE_NONBLOCK _MD_MakeNonblock | |
| 281 #define _MD_INIT_FD_INHERITABLE (_PR_MD_INIT_FD_INHERITABLE) | |
| 282 #define _MD_QUERY_FD_INHERITABLE (_PR_MD_QUERY_FD_INHERITABLE) | |
| 283 #define _MD_SHUTDOWN (_PR_MD_SHUTDOWN) | |
| 284 #define _MD_LISTEN _PR_MD_LISTEN | |
| 285 extern PRInt32 _MD_CloseSocket(PRInt32 osfd); | |
| 286 #define _MD_CLOSE_SOCKET _MD_CloseSocket | |
| 287 #define _MD_SENDTO (_PR_MD_SENDTO) | |
| 288 #define _MD_RECVFROM (_PR_MD_RECVFROM) | |
| 289 #define _MD_SOCKETPAIR (_PR_MD_SOCKETPAIR) | |
| 290 #define _MD_GETSOCKNAME (_PR_MD_GETSOCKNAME) | |
| 291 #define _MD_GETPEERNAME (_PR_MD_GETPEERNAME) | |
| 292 #define _MD_GETSOCKOPT (_PR_MD_GETSOCKOPT) | |
| 293 #define _MD_SETSOCKOPT (_PR_MD_SETSOCKOPT) | |
| 294 | |
| 295 #define _MD_FSYNC _PR_MD_FSYNC | |
| 296 #define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE) | |
| 297 | |
| 298 #ifdef _PR_HAVE_ATOMIC_OPS | |
| 299 #define _MD_INIT_ATOMIC() | |
| 300 #define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT | |
| 301 #define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD | |
| 302 #define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT | |
| 303 #define _MD_ATOMIC_SET _PR_MD_ATOMIC_SET | |
| 304 #endif | |
| 305 | |
| 306 #define _MD_INIT_IO (_PR_MD_INIT_IO) | |
| 307 #define _MD_PR_POLL (_PR_MD_PR_POLL) | |
| 308 | |
| 309 #define _MD_SOCKET (_PR_MD_SOCKET) | |
| 310 extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd); | |
| 311 #define _MD_SOCKETAVAILABLE _MD_SocketAvailable | |
| 312 #define _MD_PIPEAVAILABLE _MD_SocketAvailable | |
| 313 #define _MD_CONNECT (_PR_MD_CONNECT) | |
| 314 extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen, | |
| 315 PRIntervalTime timeout); | |
| 316 #define _MD_ACCEPT _MD_Accept | |
| 317 #define _MD_BIND (_PR_MD_BIND) | |
| 318 #define _MD_RECV (_PR_MD_RECV) | |
| 319 #define _MD_SEND (_PR_MD_SEND) | |
| 320 | |
| 321 /* --- Scheduler stuff --- */ | |
| 322 /* #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU */ | |
| 323 #define _MD_PAUSE_CPU | |
| 324 | |
| 325 /* --- DIR stuff --- */ | |
| 326 #define PR_DIRECTORY_SEPARATOR '\\' | |
| 327 #define PR_DIRECTORY_SEPARATOR_STR "\\" | |
| 328 #define PR_PATH_SEPARATOR ';' | |
| 329 #define PR_PATH_SEPARATOR_STR ";" | |
| 330 #define _MD_ERRNO() errno | |
| 331 #define _MD_OPEN_DIR (_PR_MD_OPEN_DIR) | |
| 332 #define _MD_CLOSE_DIR (_PR_MD_CLOSE_DIR) | |
| 333 #define _MD_READ_DIR (_PR_MD_READ_DIR) | |
| 334 | |
| 335 /* --- Segment stuff --- */ | |
| 336 #define _MD_INIT_SEGS() | |
| 337 #define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0 | |
| 338 #define _MD_FREE_SEGMENT(seg) | |
| 339 | |
| 340 /* --- Environment Stuff --- */ | |
| 341 #define _MD_GET_ENV (_PR_MD_GET_ENV) | |
| 342 #define _MD_PUT_ENV (_PR_MD_PUT_ENV) | |
| 343 | |
| 344 /* --- Threading Stuff --- */ | |
| 345 #define _MD_DEFAULT_STACK_SIZE 65536L | |
| 346 #define _MD_INIT_THREAD (_PR_MD_INIT_THREAD) | |
| 347 #define _MD_INIT_ATTACHED_THREAD (_PR_MD_INIT_THREAD) | |
| 348 #define _MD_CREATE_THREAD (_PR_MD_CREATE_THREAD) | |
| 349 #define _MD_YIELD (_PR_MD_YIELD) | |
| 350 #define _MD_SET_PRIORITY (_PR_MD_SET_PRIORITY) | |
| 351 #define _MD_CLEAN_THREAD (_PR_MD_CLEAN_THREAD) | |
| 352 #define _MD_SETTHREADAFFINITYMASK (_PR_MD_SETTHREADAFFINITYMASK) | |
| 353 #define _MD_GETTHREADAFFINITYMASK (_PR_MD_GETTHREADAFFINITYMASK) | |
| 354 #define _MD_EXIT_THREAD (_PR_MD_EXIT_THREAD) | |
| 355 #define _MD_SUSPEND_THREAD (_PR_MD_SUSPEND_THREAD) | |
| 356 #define _MD_RESUME_THREAD (_PR_MD_RESUME_THREAD) | |
| 357 #define _MD_SUSPEND_CPU (_PR_MD_SUSPEND_CPU) | |
| 358 #define _MD_RESUME_CPU (_PR_MD_RESUME_CPU) | |
| 359 #define _MD_WAKEUP_CPUS (_PR_MD_WAKEUP_CPUS) | |
| 360 #define _MD_BEGIN_SUSPEND_ALL() | |
| 361 #define _MD_BEGIN_RESUME_ALL() | |
| 362 #define _MD_END_SUSPEND_ALL() | |
| 363 #define _MD_END_RESUME_ALL() | |
| 364 | |
| 365 /* --- Lock stuff --- */ | |
| 366 #define _PR_LOCK _MD_LOCK | |
| 367 #define _PR_UNLOCK _MD_UNLOCK | |
| 368 | |
| 369 #ifdef USE_RAMSEM | |
| 370 #define _MD_NEW_LOCK (_PR_MD_NEW_LOCK) | |
| 371 #define _MD_FREE_LOCK(lock) (DosCloseEventSem(((PRAMSEM)(&((lock)->mut
ex)))->hevSem)) | |
| 372 #define _MD_LOCK(lock) (SemRequest486(&((lock)->mutex), -1)) | |
| 373 #define _MD_TEST_AND_LOCK(lock) (SemRequest486(&((lock)->mutex), -1),0) | |
| 374 #define _MD_UNLOCK(lock) \ | |
| 375 PR_BEGIN_MACRO \ | |
| 376 if (0 != (lock)->notified.length) { \ | |
| 377 md_UnlockAndPostNotifies((lock), NULL, NULL); \ | |
| 378 } else { \ | |
| 379 SemReleasex86( &(lock)->mutex, 0 ); \ | |
| 380 } \ | |
| 381 PR_END_MACRO | |
| 382 #else | |
| 383 #define _MD_NEW_LOCK (_PR_MD_NEW_LOCK) | |
| 384 #define _MD_FREE_LOCK(lock) (DosCloseMutexSem((lock)->mutex)) | |
| 385 #define _MD_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_IND
EFINITE_WAIT)) | |
| 386 #define _MD_TEST_AND_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_IND
EFINITE_WAIT),0) | |
| 387 #define _MD_UNLOCK(lock) \ | |
| 388 PR_BEGIN_MACRO \ | |
| 389 if (0 != (lock)->notified.length) { \ | |
| 390 md_UnlockAndPostNotifies((lock), NULL, NULL); \ | |
| 391 } else { \ | |
| 392 DosReleaseMutexSem((lock)->mutex); \ | |
| 393 } \ | |
| 394 PR_END_MACRO | |
| 395 #endif | |
| 396 | |
| 397 /* --- lock and cv waiting --- */ | |
| 398 #define _MD_WAIT (_PR_MD_WAIT) | |
| 399 #define _MD_WAKEUP_WAITER (_PR_MD_WAKEUP_WAITER) | |
| 400 | |
| 401 /* --- CVar ------------------- */ | |
| 402 #define _MD_WAIT_CV (_PR_MD_WAIT_CV) | |
| 403 #define _MD_NEW_CV (_PR_MD_NEW_CV) | |
| 404 #define _MD_FREE_CV (_PR_MD_FREE_CV) | |
| 405 #define _MD_NOTIFY_CV (_PR_MD_NOTIFY_CV ) | |
| 406 #define _MD_NOTIFYALL_CV (_PR_MD_NOTIFYALL_CV) | |
| 407 | |
| 408 /* XXXMB- the IOQ stuff is certainly not working correctly yet. */ | |
| 409 /* extern struct _MDLock _pr_ioq_lock; */ | |
| 410 #define _MD_IOQ_LOCK() | |
| 411 #define _MD_IOQ_UNLOCK() | |
| 412 | |
| 413 | |
| 414 /* --- Initialization stuff --- */ | |
| 415 #define _MD_START_INTERRUPTS() | |
| 416 #define _MD_STOP_INTERRUPTS() | |
| 417 #define _MD_DISABLE_CLOCK_INTERRUPTS() | |
| 418 #define _MD_ENABLE_CLOCK_INTERRUPTS() | |
| 419 #define _MD_BLOCK_CLOCK_INTERRUPTS() | |
| 420 #define _MD_UNBLOCK_CLOCK_INTERRUPTS() | |
| 421 #define _MD_EARLY_INIT (_PR_MD_EARLY_INIT) | |
| 422 #define _MD_FINAL_INIT() | |
| 423 #define _MD_INIT_CPUS() | |
| 424 #define _MD_INIT_RUNNING_CPU(cpu) | |
| 425 | |
| 426 struct PRProcess; | |
| 427 struct PRProcessAttr; | |
| 428 | |
| 429 #define _MD_CREATE_PROCESS _PR_CreateOS2Process | |
| 430 extern struct PRProcess * _PR_CreateOS2Process( | |
| 431 const char *path, | |
| 432 char *const *argv, | |
| 433 char *const *envp, | |
| 434 const struct PRProcessAttr *attr | |
| 435 ); | |
| 436 | |
| 437 #define _MD_DETACH_PROCESS _PR_DetachOS2Process | |
| 438 extern PRStatus _PR_DetachOS2Process(struct PRProcess *process); | |
| 439 | |
| 440 /* --- Wait for a child process to terminate --- */ | |
| 441 #define _MD_WAIT_PROCESS _PR_WaitOS2Process | |
| 442 extern PRStatus _PR_WaitOS2Process(struct PRProcess *process, | |
| 443 PRInt32 *exitCode); | |
| 444 | |
| 445 #define _MD_KILL_PROCESS _PR_KillOS2Process | |
| 446 extern PRStatus _PR_KillOS2Process(struct PRProcess *process); | |
| 447 | |
| 448 #define _MD_CLEANUP_BEFORE_EXIT() | |
| 449 #define _MD_EXIT (_PR_MD_EXIT) | |
| 450 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 451 PR_BEGIN_MACRO \ | |
| 452 *status = PR_TRUE; \ | |
| 453 PR_END_MACRO | |
| 454 #define _MD_SWITCH_CONTEXT | |
| 455 #define _MD_RESTORE_CONTEXT | |
| 456 | |
| 457 /* --- Intervals --- */ | |
| 458 #define _MD_INTERVAL_INIT (_PR_MD_INTERVAL_INIT) | |
| 459 #define _MD_GET_INTERVAL (_PR_MD_GET_INTERVAL) | |
| 460 #define _MD_INTERVAL_PER_SEC (_PR_MD_INTERVAL_PER_SEC) | |
| 461 #define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000) | |
| 462 #define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000) | |
| 463 | |
| 464 /* --- Native-Thread Specific Definitions ------------------------------- */ | |
| 465 | |
| 466 typedef struct __NSPR_TLS | |
| 467 { | |
| 468 struct PRThread *_pr_thread_last_run; | |
| 469 struct PRThread *_pr_currentThread; | |
| 470 struct _PRCPU *_pr_currentCPU; | |
| 471 } _NSPR_TLS; | |
| 472 | |
| 473 extern _NSPR_TLS* pThreadLocalStorage; | |
| 474 NSPR_API(void) _PR_MD_ENSURE_TLS(void); | |
| 475 | |
| 476 #define _MD_GET_ATTACHED_THREAD() pThreadLocalStorage->_pr_currentThread | |
| 477 extern struct PRThread * _MD_CURRENT_THREAD(void); | |
| 478 #define _MD_SET_CURRENT_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage
->_pr_currentThread = (_thread) | |
| 479 | |
| 480 #define _MD_LAST_THREAD() pThreadLocalStorage->_pr_thread_last_run | |
| 481 #define _MD_SET_LAST_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_
pr_thread_last_run = (_thread) | |
| 482 | |
| 483 #define _MD_CURRENT_CPU() pThreadLocalStorage->_pr_currentCPU | |
| 484 #define _MD_SET_CURRENT_CPU(_cpu) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_
currentCPU = (_cpu) | |
| 485 | |
| 486 /* lth. #define _MD_SET_INTSOFF(_val) (_pr_ints_off = (_val)) */ | |
| 487 /* lth. #define _MD_GET_INTSOFF() _pr_ints_off */ | |
| 488 /* lth. #define _MD_INCREMENT_INTSOFF() (_pr_ints_off++) */ | |
| 489 /* lth. #define _MD_DECREMENT_INTSOFF() (_pr_ints_off--) */ | |
| 490 | |
| 491 /* --- Scheduler stuff --- */ | |
| 492 #define LOCK_SCHEDULER() 0 | |
| 493 #define UNLOCK_SCHEDULER() 0 | |
| 494 #define _PR_LockSched() 0 | |
| 495 #define _PR_UnlockSched() 0 | |
| 496 | |
| 497 /* --- Initialization stuff --- */ | |
| 498 #define _MD_INIT_LOCKS() | |
| 499 | |
| 500 /* --- Stack stuff --- */ | |
| 501 #define _MD_INIT_STACK(stack, redzone) | |
| 502 #define _MD_CLEAR_STACK(stack) | |
| 503 | |
| 504 /* --- Memory-mapped files stuff --- not implemented on OS/2 */ | |
| 505 | |
| 506 struct _MDFileMap { | |
| 507 PRInt8 unused; | |
| 508 }; | |
| 509 | |
| 510 extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size); | |
| 511 #define _MD_CREATE_FILE_MAP _MD_CreateFileMap | |
| 512 | |
| 513 extern PRInt32 _MD_GetMemMapAlignment(void); | |
| 514 #define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment | |
| 515 | |
| 516 extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset, | |
| 517 PRUint32 len); | |
| 518 #define _MD_MEM_MAP _MD_MemMap | |
| 519 | |
| 520 extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size); | |
| 521 #define _MD_MEM_UNMAP _MD_MemUnmap | |
| 522 | |
| 523 extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap); | |
| 524 #define _MD_CLOSE_FILE_MAP _MD_CloseFileMap | |
| 525 | |
| 526 /* Some stuff for setting up thread contexts */ | |
| 527 typedef ULONG DWORD, *PDWORD; | |
| 528 | |
| 529 /* The following definitions and two structures are new in OS/2 Warp 4.0. | |
| 530 */ | |
| 531 #ifndef CONTEXT_CONTROL | |
| 532 #define CONTEXT_CONTROL 0x00000001 | |
| 533 #define CONTEXT_INTEGER 0x00000002 | |
| 534 #define CONTEXT_SEGMENTS 0x00000004 | |
| 535 #define CONTEXT_FLOATING_POINT 0x00000008 | |
| 536 #define CONTEXT_FULL 0x0000000F | |
| 537 | |
| 538 #pragma pack(2) | |
| 539 typedef struct _FPREG { | |
| 540 ULONG losig; /* Low 32-bits of the significand. */ | |
| 541 ULONG hisig; /* High 32-bits of the significand. */ | |
| 542 USHORT signexp; /* Sign and exponent. */ | |
| 543 } FPREG; | |
| 544 typedef struct _CONTEXTRECORD { | |
| 545 ULONG ContextFlags; | |
| 546 ULONG ctx_env[7]; | |
| 547 FPREG ctx_stack[8]; | |
| 548 ULONG ctx_SegGs; /* GS register. */ | |
| 549 ULONG ctx_SegFs; /* FS register. */ | |
| 550 ULONG ctx_SegEs; /* ES register. */ | |
| 551 ULONG ctx_SegDs; /* DS register. */ | |
| 552 ULONG ctx_RegEdi; /* EDI register. */ | |
| 553 ULONG ctx_RegEsi; /* ESI register. */ | |
| 554 ULONG ctx_RegEax; /* EAX register. */ | |
| 555 ULONG ctx_RegEbx; /* EBX register. */ | |
| 556 ULONG ctx_RegEcx; /* ECX register. */ | |
| 557 ULONG ctx_RegEdx; /* EDX register. */ | |
| 558 ULONG ctx_RegEbp; /* EBP register. */ | |
| 559 ULONG ctx_RegEip; /* EIP register. */ | |
| 560 ULONG ctx_SegCs; /* CS register. */ | |
| 561 ULONG ctx_EFlags; /* EFLAGS register. */ | |
| 562 ULONG ctx_RegEsp; /* ESP register. */ | |
| 563 ULONG ctx_SegSs; /* SS register. */ | |
| 564 } CONTEXTRECORD, *PCONTEXTRECORD; | |
| 565 #pragma pack() | |
| 566 #endif | |
| 567 | |
| 568 extern APIRET (* APIENTRY QueryThreadContext)(TID, ULONG, PCONTEXTRECORD); | |
| 569 unsigned long _System _DLL_InitTerm( unsigned long mod_handle, unsigned long fla
g); | |
| 570 | |
| 571 /* | |
| 572 #define _pr_tid (((PTIB2)_getTIBvalue(offsetof(TIB, tib_ptib2)))->tib
2_ultid) | |
| 573 #define _pr_current_Thread (_system_tls[_pr_tid-1].__pr_current_thread) | |
| 574 */ | |
| 575 | |
| 576 /* Some simple mappings of Windows API's to OS/2 API's to make our lives a | |
| 577 * little bit easier. Only add one here if it is a DIRECT mapping. We are | |
| 578 * not emulating anything. Just mapping. | |
| 579 */ | |
| 580 #define FreeLibrary(x) DosFreeModule((HMODULE)x) | |
| 581 #define OutputDebugString(x) | |
| 582 | |
| 583 extern int _MD_os2_get_nonblocking_connect_error(int osfd); | |
| 584 | |
| 585 #endif /* nspr_os2_defs_h___ */ | |
| OLD | NEW |