Commit | Line | Data |
---|---|---|
ea0efc06 | 1 | #ifdef USE_THREADS |
12ca11f6 | 2 | |
ea0efc06 | 3 | #ifdef WIN32 |
f0f333f4 NIS |
4 | # include <win32thread.h> |
5 | #else | |
12ca11f6 | 6 | |
12ca11f6 MB |
7 | /* POSIXish threads */ |
8 | typedef pthread_t perl_thread; | |
11343788 | 9 | #ifdef OLD_PTHREADS_API |
ea0efc06 MB |
10 | # define pthread_mutexattr_init(a) pthread_mutexattr_create(a) |
11 | # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) | |
12 | # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) | |
13 | # define YIELD pthread_yield() | |
14 | # define DETACH(t) \ | |
15 | STMT_START { \ | |
46930d8f | 16 | if (pthread_detach(&(t)->self)) { \ |
ea0efc06 MB |
17 | MUTEX_UNLOCK(&(t)->mutex); \ |
18 | croak("panic: DETACH"); \ | |
19 | } \ | |
20 | } STMT_END | |
11343788 | 21 | #else |
ea0efc06 MB |
22 | # define pthread_mutexattr_default NULL |
23 | # define pthread_condattr_default NULL | |
24 | # define pthread_attr_default NULL | |
11343788 | 25 | #endif /* OLD_PTHREADS_API */ |
f0f333f4 | 26 | #endif |
11343788 | 27 | |
ea0efc06 MB |
28 | #ifndef YIELD |
29 | # define YIELD sched_yield() | |
30 | #endif | |
31 | ||
32 | #ifndef MUTEX_INIT | |
33 | #define MUTEX_INIT(m) \ | |
34 | STMT_START { \ | |
35 | if (pthread_mutex_init((m), pthread_mutexattr_default)) \ | |
36 | croak("panic: MUTEX_INIT"); \ | |
37 | } STMT_END | |
38 | #define MUTEX_LOCK(m) \ | |
39 | STMT_START { \ | |
40 | if (pthread_mutex_lock((m))) \ | |
41 | croak("panic: MUTEX_LOCK"); \ | |
42 | } STMT_END | |
43 | #define MUTEX_UNLOCK(m) \ | |
44 | STMT_START { \ | |
45 | if (pthread_mutex_unlock((m))) \ | |
46 | croak("panic: MUTEX_UNLOCK"); \ | |
47 | } STMT_END | |
48 | #define MUTEX_DESTROY(m) \ | |
49 | STMT_START { \ | |
50 | if (pthread_mutex_destroy((m))) \ | |
51 | croak("panic: MUTEX_DESTROY"); \ | |
52 | } STMT_END | |
53 | #endif /* MUTEX_INIT */ | |
54 | ||
55 | #ifndef COND_INIT | |
56 | #define COND_INIT(c) \ | |
57 | STMT_START { \ | |
58 | if (pthread_cond_init((c), pthread_condattr_default)) \ | |
59 | croak("panic: COND_INIT"); \ | |
60 | } STMT_END | |
61 | #define COND_SIGNAL(c) \ | |
62 | STMT_START { \ | |
63 | if (pthread_cond_signal((c))) \ | |
64 | croak("panic: COND_SIGNAL"); \ | |
65 | } STMT_END | |
66 | #define COND_BROADCAST(c) \ | |
67 | STMT_START { \ | |
68 | if (pthread_cond_broadcast((c))) \ | |
69 | croak("panic: COND_BROADCAST"); \ | |
70 | } STMT_END | |
71 | #define COND_WAIT(c, m) \ | |
72 | STMT_START { \ | |
73 | if (pthread_cond_wait((c), (m))) \ | |
74 | croak("panic: COND_WAIT"); \ | |
75 | } STMT_END | |
76 | #define COND_DESTROY(c) \ | |
77 | STMT_START { \ | |
78 | if (pthread_cond_destroy((c))) \ | |
79 | croak("panic: COND_DESTROY"); \ | |
80 | } STMT_END | |
81 | #endif /* COND_INIT */ | |
33f46ff6 | 82 | |
f826a10b | 83 | /* DETACH(t) must only be called while holding t->mutex */ |
ea0efc06 MB |
84 | #ifndef DETACH |
85 | #define DETACH(t) \ | |
86 | STMT_START { \ | |
46930d8f | 87 | if (pthread_detach((t)->self)) { \ |
ea0efc06 MB |
88 | MUTEX_UNLOCK(&(t)->mutex); \ |
89 | croak("panic: DETACH"); \ | |
90 | } \ | |
91 | } STMT_END | |
92 | #endif /* DETACH */ | |
33f46ff6 | 93 | |
ea0efc06 MB |
94 | #ifndef JOIN |
95 | #define JOIN(t, avp) \ | |
96 | STMT_START { \ | |
46930d8f | 97 | if (pthread_join((t)->self, (void**)(avp))) \ |
ea0efc06 MB |
98 | croak("panic: pthread_join"); \ |
99 | } STMT_END | |
100 | #endif /* JOIN */ | |
101 | ||
102 | #ifndef SET_THR | |
103 | #define SET_THR(t) \ | |
104 | STMT_START { \ | |
105 | if (pthread_setspecific(thr_key, (void *) (t))) \ | |
106 | croak("panic: pthread_setspecific"); \ | |
107 | } STMT_END | |
108 | #endif /* SET_THR */ | |
109 | ||
110 | #ifndef THR | |
111 | # ifdef OLD_PTHREADS_API | |
11343788 | 112 | struct thread *getTHR _((void)); |
ea0efc06 MB |
113 | # define THR getTHR() |
114 | # else | |
115 | # define THR ((struct thread *) pthread_getspecific(thr_key)) | |
116 | # endif /* OLD_PTHREADS_API */ | |
117 | #endif /* THR */ | |
118 | ||
119 | #ifndef dTHR | |
120 | # define dTHR struct thread *thr = THR | |
121 | #endif /* dTHR */ | |
11343788 | 122 | |
33f46ff6 MB |
123 | #ifndef INIT_THREADS |
124 | # ifdef NEED_PTHREAD_INIT | |
125 | # define INIT_THREADS pthread_init() | |
126 | # else | |
127 | # define INIT_THREADS NOOP | |
128 | # endif | |
129 | #endif | |
11343788 | 130 | |
0b9678a8 | 131 | |
ea0efc06 MB |
132 | #ifndef THREAD_RET_TYPE |
133 | # define THREAD_RET_TYPE void * | |
134 | # define THREAD_RET_CAST(p) ((void *)(p)) | |
135 | #endif /* THREAD_RET */ | |
136 | ||
33f46ff6 | 137 | struct thread { |
11343788 | 138 | /* The fields that used to be global */ |
33f46ff6 | 139 | /* Important ones in the first cache line (if alignment is done right) */ |
11343788 | 140 | SV ** Tstack_sp; |
462e5cf6 MB |
141 | #ifdef OP_IN_REGISTER |
142 | OP * Topsave; | |
143 | #else | |
11343788 | 144 | OP * Top; |
462e5cf6 | 145 | #endif |
33f46ff6 MB |
146 | SV ** Tcurpad; |
147 | SV ** Tstack_base; | |
148 | ||
149 | SV ** Tstack_max; | |
11343788 MB |
150 | |
151 | I32 * Tscopestack; | |
152 | I32 Tscopestack_ix; | |
153 | I32 Tscopestack_max; | |
154 | ||
155 | ANY * Tsavestack; | |
156 | I32 Tsavestack_ix; | |
157 | I32 Tsavestack_max; | |
158 | ||
159 | OP ** Tretstack; | |
160 | I32 Tretstack_ix; | |
161 | I32 Tretstack_max; | |
162 | ||
163 | I32 * Tmarkstack; | |
164 | I32 * Tmarkstack_ptr; | |
165 | I32 * Tmarkstack_max; | |
166 | ||
11343788 MB |
167 | SV * TSv; |
168 | XPV * TXpv; | |
11343788 MB |
169 | struct stat Tstatbuf; |
170 | struct tms Ttimesbuf; | |
171 | ||
172 | /* XXX What about regexp stuff? */ | |
173 | ||
174 | /* Now the fields that used to be "per interpreter" (even when global) */ | |
175 | ||
a863c7d1 MB |
176 | /* Fields used by magic variables such as $@, $/ and so on */ |
177 | bool Ttainted; | |
178 | PMOP * Tcurpm; | |
179 | SV * Tnrs; | |
180 | SV * Trs; | |
181 | GV * Tlast_in_gv; | |
182 | char * Tofs; | |
183 | STRLEN Tofslen; | |
184 | GV * Tdefoutgv; | |
185 | char * Tchopset; | |
186 | SV * Tformtarget; | |
187 | SV * Tbodytarget; | |
188 | SV * Ttoptarget; | |
189 | ||
190 | /* Stashes */ | |
11343788 MB |
191 | HV * Tdefstash; |
192 | HV * Tcurstash; | |
11343788 | 193 | |
a863c7d1 | 194 | /* Stacks */ |
11343788 MB |
195 | SV ** Ttmps_stack; |
196 | I32 Ttmps_ix; | |
197 | I32 Ttmps_floor; | |
198 | I32 Ttmps_max; | |
199 | ||
200 | int Tin_eval; | |
201 | OP * Trestartop; | |
202 | int Tdelaymagic; | |
203 | bool Tdirty; | |
204 | U8 Tlocalizing; | |
0f15f207 | 205 | COP * Tcurcop; |
11343788 | 206 | |
c09156bb | 207 | PERL_CONTEXT * Tcxstack; |
11343788 MB |
208 | I32 Tcxstack_ix; |
209 | I32 Tcxstack_max; | |
210 | ||
0f15f207 | 211 | AV * Tcurstack; |
11343788 | 212 | AV * Tmainstack; |
e858de61 | 213 | JMPENV * Ttop_env; |
11343788 MB |
214 | I32 Trunlevel; |
215 | ||
216 | /* XXX Sort stuff, firstgv, secongv and so on? */ | |
217 | ||
199100c8 MB |
218 | SV * oursv; |
219 | HV * cvcache; | |
46930d8f | 220 | perl_thread self; /* Underlying thread object */ |
33f46ff6 | 221 | U32 flags; |
554b3eca MB |
222 | AV * magicals; /* Per-thread magicals */ |
223 | AV * specific; /* Thread-specific user data */ | |
38a03e6e MB |
224 | SV * errsv; /* Backing SV for $@ */ |
225 | HV * errhv; /* HV for what was %@ in pp_ctl.c */ | |
f826a10b | 226 | perl_mutex mutex; /* For the fields others can change */ |
33f46ff6 MB |
227 | U32 tid; |
228 | struct thread *next, *prev; /* Circular linked list of threads */ | |
0b9678a8 | 229 | JMPENV Tstart_env; /* Top of top_env longjmp() chain */ |
00495520 | 230 | #ifdef HAVE_THREAD_INTERN |
f826a10b MB |
231 | struct thread_intern i; /* Platform-dependent internals */ |
232 | #endif | |
199100c8 | 233 | char trailing_nul; /* For the sake of thrsv and oursv */ |
11343788 MB |
234 | }; |
235 | ||
236 | typedef struct thread *Thread; | |
237 | ||
33f46ff6 | 238 | /* Values and macros for thr->flags */ |
605e5515 MB |
239 | #define THRf_STATE_MASK 7 |
240 | #define THRf_R_JOINABLE 0 | |
241 | #define THRf_R_JOINED 1 | |
242 | #define THRf_R_DETACHED 2 | |
243 | #define THRf_ZOMBIE 3 | |
244 | #define THRf_DEAD 4 | |
f93b4edd | 245 | |
458fb581 | 246 | #define THRf_DID_DIE 8 |
07b73707 | 247 | |
f826a10b | 248 | /* ThrSTATE(t) and ThrSETSTATE(t) must only be called while holding t->mutex */ |
458fb581 | 249 | #define ThrSTATE(t) ((t)->flags & THRf_STATE_MASK) |
f93b4edd | 250 | #define ThrSETSTATE(t, s) STMT_START { \ |
605e5515 | 251 | (t)->flags &= ~THRf_STATE_MASK; \ |
33f46ff6 | 252 | (t)->flags |= (s); \ |
605e5515 MB |
253 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), \ |
254 | "thread %p set to state %d\n", (t), (s))); \ | |
f93b4edd MB |
255 | } STMT_END |
256 | ||
257 | typedef struct condpair { | |
f826a10b MB |
258 | perl_mutex mutex; /* Protects all other fields */ |
259 | perl_cond owner_cond; /* For when owner changes at all */ | |
260 | perl_cond cond; /* For cond_signal and cond_broadcast */ | |
261 | Thread owner; /* Currently owning thread */ | |
f93b4edd MB |
262 | } condpair_t; |
263 | ||
264 | #define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex) | |
265 | #define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond) | |
266 | #define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond) | |
267 | #define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner | |
268 | ||
11343788 MB |
269 | #undef stack_base |
270 | #undef stack_sp | |
271 | #undef stack_max | |
0f15f207 | 272 | #undef curstack |
11343788 MB |
273 | #undef mainstack |
274 | #undef markstack | |
275 | #undef markstack_ptr | |
276 | #undef markstack_max | |
277 | #undef scopestack | |
278 | #undef scopestack_ix | |
279 | #undef scopestack_max | |
280 | #undef savestack | |
281 | #undef savestack_ix | |
282 | #undef savestack_max | |
283 | #undef retstack | |
284 | #undef retstack_ix | |
285 | #undef retstack_max | |
0f15f207 | 286 | #undef curcop |
11343788 MB |
287 | #undef cxstack |
288 | #undef cxstack_ix | |
289 | #undef cxstack_max | |
809a5acc MB |
290 | #undef defstash |
291 | #undef curstash | |
6d4ff0d2 MB |
292 | #undef tmps_stack |
293 | #undef tmps_floor | |
294 | #undef tmps_ix | |
295 | #undef tmps_max | |
11343788 MB |
296 | #undef curpad |
297 | #undef Sv | |
298 | #undef Xpv | |
96827780 MB |
299 | #undef statbuf |
300 | #undef timesbuf | |
a863c7d1 MB |
301 | #undef tainted |
302 | #undef curpm | |
303 | #undef nrs | |
304 | #undef rs | |
305 | #undef last_in_gv | |
306 | #undef ofs | |
307 | #undef ofslen | |
308 | #undef defoutgv | |
309 | #undef chopset | |
310 | #undef formtarget | |
311 | #undef bodytarget | |
312 | #undef toptarget | |
11343788 MB |
313 | #undef top_env |
314 | #undef runlevel | |
315 | #undef in_eval | |
809a5acc MB |
316 | #undef restartop |
317 | #undef delaymagic | |
318 | #undef dirty | |
319 | #undef localizing | |
11343788 | 320 | |
11343788 MB |
321 | #define stack_base (thr->Tstack_base) |
322 | #define stack_sp (thr->Tstack_sp) | |
323 | #define stack_max (thr->Tstack_max) | |
462e5cf6 MB |
324 | #ifdef OP_IN_REGISTER |
325 | #define opsave (thr->Topsave) | |
326 | #else | |
327 | #undef op | |
11343788 | 328 | #define op (thr->Top) |
462e5cf6 | 329 | #endif |
0f15f207 | 330 | #define curcop (thr->Tcurcop) |
11343788 | 331 | #define stack (thr->Tstack) |
809a5acc | 332 | #define curstack (thr->Tcurstack) |
11343788 MB |
333 | #define mainstack (thr->Tmainstack) |
334 | #define markstack (thr->Tmarkstack) | |
335 | #define markstack_ptr (thr->Tmarkstack_ptr) | |
336 | #define markstack_max (thr->Tmarkstack_max) | |
337 | #define scopestack (thr->Tscopestack) | |
338 | #define scopestack_ix (thr->Tscopestack_ix) | |
339 | #define scopestack_max (thr->Tscopestack_max) | |
340 | ||
341 | #define savestack (thr->Tsavestack) | |
342 | #define savestack_ix (thr->Tsavestack_ix) | |
343 | #define savestack_max (thr->Tsavestack_max) | |
344 | ||
345 | #define retstack (thr->Tretstack) | |
346 | #define retstack_ix (thr->Tretstack_ix) | |
347 | #define retstack_max (thr->Tretstack_max) | |
348 | ||
349 | #define cxstack (thr->Tcxstack) | |
350 | #define cxstack_ix (thr->Tcxstack_ix) | |
351 | #define cxstack_max (thr->Tcxstack_max) | |
352 | ||
353 | #define curpad (thr->Tcurpad) | |
354 | #define Sv (thr->TSv) | |
355 | #define Xpv (thr->TXpv) | |
96827780 MB |
356 | #define statbuf (thr->Tstatbuf) |
357 | #define timesbuf (thr->Ttimesbuf) | |
a863c7d1 MB |
358 | #define tainted (thr->Ttainted) |
359 | #define tainted (thr->Ttainted) | |
360 | #define curpm (thr->Tcurpm) | |
361 | #define nrs (thr->Tnrs) | |
362 | #define rs (thr->Trs) | |
363 | #define last_in_gv (thr->Tlast_in_gv) | |
364 | #define ofs (thr->Tofs) | |
57d3b86d | 365 | #define ofslen (thr->Tofslen) |
a863c7d1 MB |
366 | #define defoutgv (thr->Tdefoutgv) |
367 | #define chopset (thr->Tchopset) | |
368 | #define formtarget (thr->Tformtarget) | |
369 | #define bodytarget (thr->Tbodytarget) | |
370 | #define toptarget (thr->Ttoptarget) | |
11343788 MB |
371 | #define defstash (thr->Tdefstash) |
372 | #define curstash (thr->Tcurstash) | |
11343788 MB |
373 | |
374 | #define tmps_stack (thr->Ttmps_stack) | |
375 | #define tmps_ix (thr->Ttmps_ix) | |
376 | #define tmps_floor (thr->Ttmps_floor) | |
377 | #define tmps_max (thr->Ttmps_max) | |
378 | ||
379 | #define in_eval (thr->Tin_eval) | |
380 | #define restartop (thr->Trestartop) | |
381 | #define delaymagic (thr->Tdelaymagic) | |
382 | #define dirty (thr->Tdirty) | |
383 | #define localizing (thr->Tlocalizing) | |
384 | ||
385 | #define top_env (thr->Ttop_env) | |
386 | #define runlevel (thr->Trunlevel) | |
0b9678a8 | 387 | #define start_env (thr->Tstart_env) |
11343788 | 388 | |
ea0efc06 MB |
389 | #else |
390 | /* USE_THREADS is not defined */ | |
391 | #define MUTEX_LOCK(m) | |
392 | #define MUTEX_UNLOCK(m) | |
393 | #define MUTEX_INIT(m) | |
394 | #define MUTEX_DESTROY(m) | |
395 | #define COND_INIT(c) | |
396 | #define COND_SIGNAL(c) | |
397 | #define COND_BROADCAST(c) | |
398 | #define COND_WAIT(c, m) | |
399 | #define COND_DESTROY(c) | |
400 | ||
401 | #define THR | |
402 | /* Rats: if dTHR is just blank then the subsequent ";" throws an error */ | |
403 | #define dTHR extern int errno | |
11343788 | 404 | #endif /* USE_THREADS */ |