| 1 |
/* thread.h |
| 2 |
* |
| 3 |
* Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005 |
| 4 |
* by Larry Wall and others |
| 5 |
* |
| 6 |
* You may distribute under the terms of either the GNU General Public |
| 7 |
* License or the Artistic License, as specified in the README file. |
| 8 |
* |
| 9 |
*/ |
| 10 |
|
| 11 |
#if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
| 12 |
|
| 13 |
#if defined(VMS) |
| 14 |
#include <builtins.h> |
| 15 |
#endif |
| 16 |
|
| 17 |
#ifdef WIN32 |
| 18 |
# include <win32thread.h> |
| 19 |
#else |
| 20 |
#ifdef NETWARE |
| 21 |
# include <nw5thread.h> |
| 22 |
#else |
| 23 |
# ifdef OLD_PTHREADS_API /* Here be dragons. */ |
| 24 |
# define DETACH(t) \ |
| 25 |
STMT_START { \ |
| 26 |
int _eC_; \ |
| 27 |
if ((_eC_ = pthread_detach(&(t)->self))) { \ |
| 28 |
MUTEX_UNLOCK(&(t)->mutex); \ |
| 29 |
Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \ |
| 30 |
_eC_, __FILE__, __LINE__); \ |
| 31 |
} \ |
| 32 |
} STMT_END |
| 33 |
|
| 34 |
# define PERL_GET_CONTEXT Perl_get_context() |
| 35 |
# define PERL_SET_CONTEXT(t) Perl_set_context((void*)t) |
| 36 |
|
| 37 |
# define PTHREAD_GETSPECIFIC_INT |
| 38 |
# ifdef DJGPP |
| 39 |
# define pthread_addr_t any_t |
| 40 |
# define NEED_PTHREAD_INIT |
| 41 |
# define PTHREAD_CREATE_JOINABLE (1) |
| 42 |
# endif |
| 43 |
# ifdef __OPEN_VM |
| 44 |
# define pthread_addr_t void * |
| 45 |
# endif |
| 46 |
# ifdef OEMVS |
| 47 |
# define pthread_addr_t void * |
| 48 |
# define pthread_create(t,a,s,d) pthread_create(t,&(a),s,d) |
| 49 |
# define pthread_keycreate pthread_key_create |
| 50 |
# endif |
| 51 |
# ifdef VMS |
| 52 |
# define pthread_attr_init(a) pthread_attr_create(a) |
| 53 |
# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_setdetach_np(a,s) |
| 54 |
# define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d) |
| 55 |
# define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) |
| 56 |
# define pthread_mutexattr_init(a) pthread_mutexattr_create(a) |
| 57 |
# define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) |
| 58 |
# endif |
| 59 |
# if defined(__hpux) && defined(__ux_version) && __ux_version <= 1020 |
| 60 |
# define pthread_attr_init(a) pthread_attr_create(a) |
| 61 |
/* XXX pthread_setdetach_np() missing in DCE threads on HP-UX 10.20 */ |
| 62 |
# define PTHREAD_ATTR_SETDETACHSTATE(a,s) (0) |
| 63 |
# define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d) |
| 64 |
# define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) |
| 65 |
# define pthread_mutexattr_init(a) pthread_mutexattr_create(a) |
| 66 |
# define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) |
| 67 |
# endif |
| 68 |
# if defined(DJGPP) || defined(__OPEN_VM) || defined(OEMVS) |
| 69 |
# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s)) |
| 70 |
# define YIELD pthread_yield(NULL) |
| 71 |
# endif |
| 72 |
# endif |
| 73 |
# if !defined(__hpux) || !defined(__ux_version) || __ux_version > 1020 |
| 74 |
# define pthread_mutexattr_default NULL |
| 75 |
# define pthread_condattr_default NULL |
| 76 |
# endif |
| 77 |
#endif /* NETWARE */ |
| 78 |
#endif |
| 79 |
|
| 80 |
#ifndef PTHREAD_CREATE |
| 81 |
/* You are not supposed to pass NULL as the 2nd arg of PTHREAD_CREATE(). */ |
| 82 |
# define PTHREAD_CREATE(t,a,s,d) pthread_create(t,&(a),s,d) |
| 83 |
#endif |
| 84 |
|
| 85 |
#ifndef PTHREAD_ATTR_SETDETACHSTATE |
| 86 |
# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s) |
| 87 |
#endif |
| 88 |
|
| 89 |
#ifndef PTHREAD_CREATE_JOINABLE |
| 90 |
# ifdef OLD_PTHREAD_CREATE_JOINABLE |
| 91 |
# define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE |
| 92 |
# else |
| 93 |
# define PTHREAD_CREATE_JOINABLE 0 /* Panic? No, guess. */ |
| 94 |
# endif |
| 95 |
#endif |
| 96 |
|
| 97 |
#ifdef DGUX |
| 98 |
# define THREAD_CREATE_NEEDS_STACK (32*1024) |
| 99 |
#endif |
| 100 |
|
| 101 |
#ifdef I_MACH_CTHREADS |
| 102 |
|
| 103 |
/* cthreads interface */ |
| 104 |
|
| 105 |
/* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */ |
| 106 |
|
| 107 |
#define MUTEX_INIT(m) \ |
| 108 |
STMT_START { \ |
| 109 |
*m = mutex_alloc(); \ |
| 110 |
if (*m) { \ |
| 111 |
mutex_init(*m); \ |
| 112 |
} else { \ |
| 113 |
Perl_croak_nocontext("panic: MUTEX_INIT [%s:%d]", \ |
| 114 |
__FILE__, __LINE__); \ |
| 115 |
} \ |
| 116 |
} STMT_END |
| 117 |
|
| 118 |
#define MUTEX_LOCK(m) mutex_lock(*m) |
| 119 |
#define MUTEX_UNLOCK(m) mutex_unlock(*m) |
| 120 |
#define MUTEX_DESTROY(m) \ |
| 121 |
STMT_START { \ |
| 122 |
mutex_free(*m); \ |
| 123 |
*m = 0; \ |
| 124 |
} STMT_END |
| 125 |
|
| 126 |
#define COND_INIT(c) \ |
| 127 |
STMT_START { \ |
| 128 |
*c = condition_alloc(); \ |
| 129 |
if (*c) { \ |
| 130 |
condition_init(*c); \ |
| 131 |
} \ |
| 132 |
else { \ |
| 133 |
Perl_croak_nocontext("panic: COND_INIT [%s:%d]", \ |
| 134 |
__FILE__, __LINE__); \ |
| 135 |
} \ |
| 136 |
} STMT_END |
| 137 |
|
| 138 |
#define COND_SIGNAL(c) condition_signal(*c) |
| 139 |
#define COND_BROADCAST(c) condition_broadcast(*c) |
| 140 |
#define COND_WAIT(c, m) condition_wait(*c, *m) |
| 141 |
#define COND_DESTROY(c) \ |
| 142 |
STMT_START { \ |
| 143 |
condition_free(*c); \ |
| 144 |
*c = 0; \ |
| 145 |
} STMT_END |
| 146 |
|
| 147 |
#define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0) |
| 148 |
#define THREAD_POST_CREATE(thr) |
| 149 |
|
| 150 |
#define THREAD_RET_TYPE any_t |
| 151 |
#define THREAD_RET_CAST(x) ((any_t) x) |
| 152 |
|
| 153 |
#define DETACH(t) cthread_detach(t->self) |
| 154 |
#define JOIN(t, avp) (*(avp) = (AV *)cthread_join(t->self)) |
| 155 |
|
| 156 |
#define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t) |
| 157 |
#define PERL_GET_CONTEXT cthread_data(cthread_self()) |
| 158 |
|
| 159 |
#define INIT_THREADS cthread_init() |
| 160 |
#define YIELD cthread_yield() |
| 161 |
#define ALLOC_THREAD_KEY NOOP |
| 162 |
#define FREE_THREAD_KEY NOOP |
| 163 |
#define SET_THREAD_SELF(thr) (thr->self = cthread_self()) |
| 164 |
|
| 165 |
#endif /* I_MACH_CTHREADS */ |
| 166 |
|
| 167 |
#ifndef YIELD |
| 168 |
# ifdef SCHED_YIELD |
| 169 |
# define YIELD SCHED_YIELD |
| 170 |
# else |
| 171 |
# ifdef HAS_SCHED_YIELD |
| 172 |
# define YIELD sched_yield() |
| 173 |
# else |
| 174 |
# ifdef HAS_PTHREAD_YIELD |
| 175 |
/* pthread_yield(NULL) platforms are expected |
| 176 |
* to have #defined YIELD for themselves. */ |
| 177 |
# define YIELD pthread_yield() |
| 178 |
# endif |
| 179 |
# endif |
| 180 |
# endif |
| 181 |
#endif |
| 182 |
|
| 183 |
#ifdef __hpux |
| 184 |
# define MUTEX_INIT_NEEDS_MUTEX_ZEROED |
| 185 |
#endif |
| 186 |
|
| 187 |
#ifndef MUTEX_INIT |
| 188 |
|
| 189 |
# ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED |
| 190 |
/* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */ |
| 191 |
# define MUTEX_INIT(m) \ |
| 192 |
STMT_START { \ |
| 193 |
int _eC_; \ |
| 194 |
Zero((m), 1, perl_mutex); \ |
| 195 |
if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \ |
| 196 |
Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \ |
| 197 |
_eC_, __FILE__, __LINE__); \ |
| 198 |
} STMT_END |
| 199 |
# else |
| 200 |
# define MUTEX_INIT(m) \ |
| 201 |
STMT_START { \ |
| 202 |
int _eC_; \ |
| 203 |
if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \ |
| 204 |
Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \ |
| 205 |
_eC_, __FILE__, __LINE__); \ |
| 206 |
} STMT_END |
| 207 |
# endif |
| 208 |
|
| 209 |
# define MUTEX_LOCK(m) \ |
| 210 |
STMT_START { \ |
| 211 |
int _eC_; \ |
| 212 |
if ((_eC_ = pthread_mutex_lock((m)))) \ |
| 213 |
Perl_croak_nocontext("panic: MUTEX_LOCK (%d) [%s:%d]", \ |
| 214 |
_eC_, __FILE__, __LINE__); \ |
| 215 |
} STMT_END |
| 216 |
|
| 217 |
# define MUTEX_UNLOCK(m) \ |
| 218 |
STMT_START { \ |
| 219 |
int _eC_; \ |
| 220 |
if ((_eC_ = pthread_mutex_unlock((m)))) \ |
| 221 |
Perl_croak_nocontext("panic: MUTEX_UNLOCK (%d) [%s:%d]", \ |
| 222 |
_eC_, __FILE__, __LINE__); \ |
| 223 |
} STMT_END |
| 224 |
|
| 225 |
# define MUTEX_DESTROY(m) \ |
| 226 |
STMT_START { \ |
| 227 |
int _eC_; \ |
| 228 |
if ((_eC_ = pthread_mutex_destroy((m)))) \ |
| 229 |
Perl_croak_nocontext("panic: MUTEX_DESTROY (%d) [%s:%d]", \ |
| 230 |
_eC_, __FILE__, __LINE__); \ |
| 231 |
} STMT_END |
| 232 |
#endif /* MUTEX_INIT */ |
| 233 |
|
| 234 |
#ifndef COND_INIT |
| 235 |
# define COND_INIT(c) \ |
| 236 |
STMT_START { \ |
| 237 |
int _eC_; \ |
| 238 |
if ((_eC_ = pthread_cond_init((c), pthread_condattr_default))) \ |
| 239 |
Perl_croak_nocontext("panic: COND_INIT (%d) [%s:%d]", \ |
| 240 |
_eC_, __FILE__, __LINE__); \ |
| 241 |
} STMT_END |
| 242 |
|
| 243 |
# define COND_SIGNAL(c) \ |
| 244 |
STMT_START { \ |
| 245 |
int _eC_; \ |
| 246 |
if ((_eC_ = pthread_cond_signal((c)))) \ |
| 247 |
Perl_croak_nocontext("panic: COND_SIGNAL (%d) [%s:%d]", \ |
| 248 |
_eC_, __FILE__, __LINE__); \ |
| 249 |
} STMT_END |
| 250 |
|
| 251 |
# define COND_BROADCAST(c) \ |
| 252 |
STMT_START { \ |
| 253 |
int _eC_; \ |
| 254 |
if ((_eC_ = pthread_cond_broadcast((c)))) \ |
| 255 |
Perl_croak_nocontext("panic: COND_BROADCAST (%d) [%s:%d]", \ |
| 256 |
_eC_, __FILE__, __LINE__); \ |
| 257 |
} STMT_END |
| 258 |
|
| 259 |
# define COND_WAIT(c, m) \ |
| 260 |
STMT_START { \ |
| 261 |
int _eC_; \ |
| 262 |
if ((_eC_ = pthread_cond_wait((c), (m)))) \ |
| 263 |
Perl_croak_nocontext("panic: COND_WAIT (%d) [%s:%d]", \ |
| 264 |
_eC_, __FILE__, __LINE__); \ |
| 265 |
} STMT_END |
| 266 |
|
| 267 |
# define COND_DESTROY(c) \ |
| 268 |
STMT_START { \ |
| 269 |
int _eC_; \ |
| 270 |
if ((_eC_ = pthread_cond_destroy((c)))) \ |
| 271 |
Perl_croak_nocontext("panic: COND_DESTROY (%d) [%s:%d]", \ |
| 272 |
_eC_, __FILE__, __LINE__); \ |
| 273 |
} STMT_END |
| 274 |
#endif /* COND_INIT */ |
| 275 |
|
| 276 |
/* DETACH(t) must only be called while holding t->mutex */ |
| 277 |
#ifndef DETACH |
| 278 |
# define DETACH(t) \ |
| 279 |
STMT_START { \ |
| 280 |
int _eC_; \ |
| 281 |
if ((_eC_ = pthread_detach((t)->self))) { \ |
| 282 |
MUTEX_UNLOCK(&(t)->mutex); \ |
| 283 |
Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \ |
| 284 |
_eC_, __FILE__, __LINE__); \ |
| 285 |
} \ |
| 286 |
} STMT_END |
| 287 |
#endif /* DETACH */ |
| 288 |
|
| 289 |
#ifndef JOIN |
| 290 |
# define JOIN(t, avp) \ |
| 291 |
STMT_START { \ |
| 292 |
int _eC_; \ |
| 293 |
if ((_eC_ = pthread_join((t)->self, (void**)(avp)))) \ |
| 294 |
Perl_croak_nocontext("panic: pthread_join (%d) [%s:%d]", \ |
| 295 |
_eC_, __FILE__, __LINE__); \ |
| 296 |
} STMT_END |
| 297 |
#endif /* JOIN */ |
| 298 |
|
| 299 |
/* Use an unchecked fetch of thread-specific data instead of a checked one. |
| 300 |
* It would fail if the key were bogus, but if the key were bogus then |
| 301 |
* Really Bad Things would be happening anyway. --dan */ |
| 302 |
#if (defined(__ALPHA) && (__VMS_VER >= 70000000)) || \ |
| 303 |
(defined(__alpha) && defined(__osf__) && !defined(__GNUC__)) /* Available only on >= 4.0 */ |
| 304 |
# define HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP /* Configure test needed */ |
| 305 |
#endif |
| 306 |
|
| 307 |
#ifdef HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP |
| 308 |
# define PTHREAD_GETSPECIFIC(key) pthread_unchecked_getspecific_np(key) |
| 309 |
#else |
| 310 |
# define PTHREAD_GETSPECIFIC(key) pthread_getspecific(key) |
| 311 |
#endif |
| 312 |
|
| 313 |
#ifndef PERL_GET_CONTEXT |
| 314 |
# define PERL_GET_CONTEXT PTHREAD_GETSPECIFIC(PL_thr_key) |
| 315 |
#endif |
| 316 |
|
| 317 |
#ifndef PERL_SET_CONTEXT |
| 318 |
# define PERL_SET_CONTEXT(t) \ |
| 319 |
STMT_START { \ |
| 320 |
int _eC_; \ |
| 321 |
if ((_eC_ = pthread_setspecific(PL_thr_key, (void *)(t)))) \ |
| 322 |
Perl_croak_nocontext("panic: pthread_setspecific (%d) [%s:%d]", \ |
| 323 |
_eC_, __FILE__, __LINE__); \ |
| 324 |
} STMT_END |
| 325 |
#endif /* PERL_SET_CONTEXT */ |
| 326 |
|
| 327 |
#ifndef INIT_THREADS |
| 328 |
# ifdef NEED_PTHREAD_INIT |
| 329 |
# define INIT_THREADS pthread_init() |
| 330 |
# endif |
| 331 |
#endif |
| 332 |
|
| 333 |
#ifndef ALLOC_THREAD_KEY |
| 334 |
# define ALLOC_THREAD_KEY \ |
| 335 |
STMT_START { \ |
| 336 |
int _eC_; \ |
| 337 |
if ((_eC_ = pthread_key_create(&PL_thr_key, 0))) { \ |
| 338 |
write(2, "panic: pthread_key_create failed\n", 33); \ |
| 339 |
exit(1); \ |
| 340 |
} \ |
| 341 |
} STMT_END |
| 342 |
#endif |
| 343 |
|
| 344 |
#ifndef FREE_THREAD_KEY |
| 345 |
# define FREE_THREAD_KEY \ |
| 346 |
STMT_START { \ |
| 347 |
pthread_key_delete(PL_thr_key); \ |
| 348 |
} STMT_END |
| 349 |
#endif |
| 350 |
|
| 351 |
#ifndef PTHREAD_ATFORK |
| 352 |
# ifdef HAS_PTHREAD_ATFORK |
| 353 |
# define PTHREAD_ATFORK(prepare,parent,child) \ |
| 354 |
pthread_atfork(prepare,parent,child) |
| 355 |
# else |
| 356 |
# define PTHREAD_ATFORK(prepare,parent,child) \ |
| 357 |
NOOP |
| 358 |
# endif |
| 359 |
#endif |
| 360 |
|
| 361 |
#ifndef THREAD_RET_TYPE |
| 362 |
# define THREAD_RET_TYPE void * |
| 363 |
# define THREAD_RET_CAST(p) ((void *)(p)) |
| 364 |
#endif /* THREAD_RET */ |
| 365 |
|
| 366 |
#if defined(USE_5005THREADS) |
| 367 |
|
| 368 |
/* Accessor for per-thread SVs */ |
| 369 |
# define THREADSV(i) (thr->threadsvp[i]) |
| 370 |
|
| 371 |
/* |
| 372 |
* LOCK_SV_MUTEX and UNLOCK_SV_MUTEX are performance-critical. Here, we |
| 373 |
* try only locking them if there may be more than one thread in existence. |
| 374 |
* Systems with very fast mutexes (and/or slow conditionals) may wish to |
| 375 |
* remove the "if (threadnum) ..." test. |
| 376 |
* XXX do NOT use C<if (PL_threadnum) ...> -- it sets up race conditions! |
| 377 |
*/ |
| 378 |
# define LOCK_SV_MUTEX MUTEX_LOCK(&PL_sv_mutex) |
| 379 |
# define UNLOCK_SV_MUTEX MUTEX_UNLOCK(&PL_sv_mutex) |
| 380 |
# define LOCK_STRTAB_MUTEX MUTEX_LOCK(&PL_strtab_mutex) |
| 381 |
# define UNLOCK_STRTAB_MUTEX MUTEX_UNLOCK(&PL_strtab_mutex) |
| 382 |
# define LOCK_CRED_MUTEX MUTEX_LOCK(&PL_cred_mutex) |
| 383 |
# define UNLOCK_CRED_MUTEX MUTEX_UNLOCK(&PL_cred_mutex) |
| 384 |
# define LOCK_FDPID_MUTEX MUTEX_LOCK(&PL_fdpid_mutex) |
| 385 |
# define UNLOCK_FDPID_MUTEX MUTEX_UNLOCK(&PL_fdpid_mutex) |
| 386 |
# define LOCK_SV_LOCK_MUTEX MUTEX_LOCK(&PL_sv_lock_mutex) |
| 387 |
# define UNLOCK_SV_LOCK_MUTEX MUTEX_UNLOCK(&PL_sv_lock_mutex) |
| 388 |
|
| 389 |
/* Values and macros for thr->flags */ |
| 390 |
#define THRf_STATE_MASK 7 |
| 391 |
#define THRf_R_JOINABLE 0 |
| 392 |
#define THRf_R_JOINED 1 |
| 393 |
#define THRf_R_DETACHED 2 |
| 394 |
#define THRf_ZOMBIE 3 |
| 395 |
#define THRf_DEAD 4 |
| 396 |
|
| 397 |
#define THRf_DID_DIE 8 |
| 398 |
|
| 399 |
/* ThrSTATE(t) and ThrSETSTATE(t) must only be called while holding t->mutex */ |
| 400 |
#define ThrSTATE(t) ((t)->flags & THRf_STATE_MASK) |
| 401 |
#define ThrSETSTATE(t, s) STMT_START { \ |
| 402 |
(t)->flags &= ~THRf_STATE_MASK; \ |
| 403 |
(t)->flags |= (s); \ |
| 404 |
DEBUG_S(PerlIO_printf(Perl_debug_log, \ |
| 405 |
"thread %p set to state %d\n", (t), (s))); \ |
| 406 |
} STMT_END |
| 407 |
|
| 408 |
typedef struct condpair { |
| 409 |
perl_mutex mutex; /* Protects all other fields */ |
| 410 |
perl_cond owner_cond; /* For when owner changes at all */ |
| 411 |
perl_cond cond; /* For cond_signal and cond_broadcast */ |
| 412 |
Thread owner; /* Currently owning thread */ |
| 413 |
} condpair_t; |
| 414 |
|
| 415 |
#define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex) |
| 416 |
#define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond) |
| 417 |
#define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond) |
| 418 |
#define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner |
| 419 |
|
| 420 |
#endif /* USE_5005THREADS */ |
| 421 |
|
| 422 |
# define LOCK_DOLLARZERO_MUTEX MUTEX_LOCK(&PL_dollarzero_mutex) |
| 423 |
# define UNLOCK_DOLLARZERO_MUTEX MUTEX_UNLOCK(&PL_dollarzero_mutex) |
| 424 |
|
| 425 |
#endif /* USE_5005THREADS || USE_ITHREADS */ |
| 426 |
|
| 427 |
#ifndef MUTEX_LOCK |
| 428 |
# define MUTEX_LOCK(m) |
| 429 |
#endif |
| 430 |
|
| 431 |
#ifndef MUTEX_UNLOCK |
| 432 |
# define MUTEX_UNLOCK(m) |
| 433 |
#endif |
| 434 |
|
| 435 |
#ifndef MUTEX_INIT |
| 436 |
# define MUTEX_INIT(m) |
| 437 |
#endif |
| 438 |
|
| 439 |
#ifndef MUTEX_DESTROY |
| 440 |
# define MUTEX_DESTROY(m) |
| 441 |
#endif |
| 442 |
|
| 443 |
#ifndef COND_INIT |
| 444 |
# define COND_INIT(c) |
| 445 |
#endif |
| 446 |
|
| 447 |
#ifndef COND_SIGNAL |
| 448 |
# define COND_SIGNAL(c) |
| 449 |
#endif |
| 450 |
|
| 451 |
#ifndef COND_BROADCAST |
| 452 |
# define COND_BROADCAST(c) |
| 453 |
#endif |
| 454 |
|
| 455 |
#ifndef COND_WAIT |
| 456 |
# define COND_WAIT(c, m) |
| 457 |
#endif |
| 458 |
|
| 459 |
#ifndef COND_DESTROY |
| 460 |
# define COND_DESTROY(c) |
| 461 |
#endif |
| 462 |
|
| 463 |
#ifndef LOCK_SV_MUTEX |
| 464 |
# define LOCK_SV_MUTEX |
| 465 |
#endif |
| 466 |
|
| 467 |
#ifndef UNLOCK_SV_MUTEX |
| 468 |
# define UNLOCK_SV_MUTEX |
| 469 |
#endif |
| 470 |
|
| 471 |
#ifndef LOCK_STRTAB_MUTEX |
| 472 |
# define LOCK_STRTAB_MUTEX |
| 473 |
#endif |
| 474 |
|
| 475 |
#ifndef UNLOCK_STRTAB_MUTEX |
| 476 |
# define UNLOCK_STRTAB_MUTEX |
| 477 |
#endif |
| 478 |
|
| 479 |
#ifndef LOCK_CRED_MUTEX |
| 480 |
# define LOCK_CRED_MUTEX |
| 481 |
#endif |
| 482 |
|
| 483 |
#ifndef UNLOCK_CRED_MUTEX |
| 484 |
# define UNLOCK_CRED_MUTEX |
| 485 |
#endif |
| 486 |
|
| 487 |
#ifndef LOCK_FDPID_MUTEX |
| 488 |
# define LOCK_FDPID_MUTEX |
| 489 |
#endif |
| 490 |
|
| 491 |
#ifndef UNLOCK_FDPID_MUTEX |
| 492 |
# define UNLOCK_FDPID_MUTEX |
| 493 |
#endif |
| 494 |
|
| 495 |
#ifndef LOCK_SV_LOCK_MUTEX |
| 496 |
# define LOCK_SV_LOCK_MUTEX |
| 497 |
#endif |
| 498 |
|
| 499 |
#ifndef UNLOCK_SV_LOCK_MUTEX |
| 500 |
# define UNLOCK_SV_LOCK_MUTEX |
| 501 |
#endif |
| 502 |
|
| 503 |
#ifndef LOCK_DOLLARZERO_MUTEX |
| 504 |
# define LOCK_DOLLARZERO_MUTEX |
| 505 |
#endif |
| 506 |
|
| 507 |
#ifndef UNLOCK_DOLLARZERO_MUTEX |
| 508 |
# define UNLOCK_DOLLARZERO_MUTEX |
| 509 |
#endif |
| 510 |
|
| 511 |
/* THR, SET_THR, and dTHR are there for compatibility with old versions */ |
| 512 |
#ifndef THR |
| 513 |
# define THR PERL_GET_THX |
| 514 |
#endif |
| 515 |
|
| 516 |
#ifndef SET_THR |
| 517 |
# define SET_THR(t) PERL_SET_THX(t) |
| 518 |
#endif |
| 519 |
|
| 520 |
#ifndef dTHR |
| 521 |
# define dTHR dNOOP |
| 522 |
#endif |
| 523 |
|
| 524 |
#ifndef INIT_THREADS |
| 525 |
# define INIT_THREADS NOOP |
| 526 |
#endif |
