ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/Coro/State.xs
(Generate patch)

Comparing Coro/Coro/State.xs (file contents):
Revision 1.253 by root, Fri Nov 7 20:12:26 2008 UTC vs.
Revision 1.262 by root, Mon Nov 10 20:38:19 2008 UTC

… …
52#else 52#else
53# define REGISTER_STACK(cctx,start,end) 53# define REGISTER_STACK(cctx,start,end)
54#endif 54#endif
55 55
56/* the maximum number of idle cctx that will be pooled */ 56/* the maximum number of idle cctx that will be pooled */
57#define MAX_IDLE_CCTX 8 57static int cctx_max_idle = 4;
58 58
59#define PERL_VERSION_ATLEAST(a,b,c) \ 59#define PERL_VERSION_ATLEAST(a,b,c) \
60 (PERL_REVISION > (a) \ 60 (PERL_REVISION > (a) \
61 || (PERL_REVISION == (a) \ 61 || (PERL_REVISION == (a) \
62 && (PERL_VERSION > (b) \ 62 && (PERL_VERSION > (b) \
… …
142#define NOINLINE attribute ((noinline)) 142#define NOINLINE attribute ((noinline))
143 143
144#include "CoroAPI.h" 144#include "CoroAPI.h"
145 145
146#ifdef USE_ITHREADS 146#ifdef USE_ITHREADS
147
147static perl_mutex coro_lock; 148static perl_mutex coro_lock;
148# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) 149# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
149# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) 150# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
151# if CORO_PTHREAD
152static void *coro_thx;
153# endif
154
150#else 155#else
156
151# define LOCK (void)0 157# define LOCK (void)0
152# define UNLOCK (void)0 158# define UNLOCK (void)0
159
153#endif 160#endif
161
162# undef LOCK
163# define LOCK (void)0
164# undef UNLOCK
165# define UNLOCK (void)0
154 166
155/* helper storage struct for Coro::AIO */ 167/* helper storage struct for Coro::AIO */
156struct io_state 168struct io_state
157{ 169{
158 AV *res; 170 AV *res;
159 int errorno; 171 int errorno;
160 I32 laststype; 172 I32 laststype; /* U16 in 5.10.0 */
161 int laststatval; 173 int laststatval;
162 Stat_t statcache; 174 Stat_t statcache;
163}; 175};
164 176
165static double (*nvtime)(); /* so why doesn't it take void? */ 177static double (*nvtime)(); /* so why doesn't it take void? */
166 178
179static U32 cctx_gen;
167static size_t coro_stacksize = CORO_STACKSIZE; 180static size_t cctx_stacksize = CORO_STACKSIZE;
168static struct CoroAPI coroapi; 181static struct CoroAPI coroapi;
169static AV *main_mainstack; /* used to differentiate between $main and others */ 182static AV *main_mainstack; /* used to differentiate between $main and others */
170static JMPENV *main_top_env; 183static JMPENV *main_top_env;
171static HV *coro_state_stash, *coro_stash; 184static HV *coro_state_stash, *coro_stash;
172static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ 185static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
186static volatile struct coro *transfer_next;
187
188struct transfer_args
189{
190 struct coro *prev, *next;
191};
173 192
174static GV *irsgv; /* $/ */ 193static GV *irsgv; /* $/ */
175static GV *stdoutgv; /* *STDOUT */ 194static GV *stdoutgv; /* *STDOUT */
176static SV *rv_diehook; 195static SV *rv_diehook;
177static SV *rv_warnhook; 196static SV *rv_warnhook;
… …
209 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 228 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
210 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 229 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */
211 JMPENV *top_env; 230 JMPENV *top_env;
212 coro_context cctx; 231 coro_context cctx;
213 232
233 U32 gen;
214#if CORO_USE_VALGRIND 234#if CORO_USE_VALGRIND
215 int valgrind_id; 235 int valgrind_id;
216#endif 236#endif
217 unsigned char flags; 237 unsigned char flags;
218} coro_cctx; 238} coro_cctx;
… …
278#define PRIO_MIN -4 298#define PRIO_MIN -4
279 299
280/* for Coro.pm */ 300/* for Coro.pm */
281static SV *coro_current; 301static SV *coro_current;
282static SV *coro_readyhook; 302static SV *coro_readyhook;
283static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 303static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
284static int coro_nready; 304static int coro_nready;
285static struct coro *coro_first; 305static struct coro *coro_first;
286 306
287/** lowlevel stuff **********************************************************/ 307/** lowlevel stuff **********************************************************/
288 308
… …
820 PL_rs = newSVsv (GvSV (irsgv)); 840 PL_rs = newSVsv (GvSV (irsgv));
821 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 841 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
822 842
823 { 843 {
824 dSP; 844 dSP;
825 LOGOP myop; 845 UNOP myop;
826 846
827 Zero (&myop, 1, LOGOP); 847 Zero (&myop, 1, UNOP);
828 myop.op_next = Nullop; 848 myop.op_next = Nullop;
829 myop.op_flags = OPf_WANT_VOID; 849 myop.op_flags = OPf_WANT_VOID;
830 850
831 PUSHMARK (SP); 851 PUSHMARK (SP);
832 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); 852 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
… …
836 SPAGAIN; 856 SPAGAIN;
837 } 857 }
838 858
839 /* this newly created coroutine might be run on an existing cctx which most 859 /* this newly created coroutine might be run on an existing cctx which most
840 * likely was suspended in set_stacklevel, called from entersub. 860 * likely was suspended in set_stacklevel, called from entersub.
841 * set_stacklevl doesn't do anything on return, but entersub does LEAVE, 861 * set_stacklevel doesn't do anything on return, but entersub does LEAVE,
842 * so we ENTER here for symmetry 862 * so we ENTER here for symmetry.
843 */ 863 */
844 ENTER; 864 ENTER;
845} 865}
846 866
847static void 867static void
… …
1012 1032
1013 TAINT_NOT; 1033 TAINT_NOT;
1014 return 0; 1034 return 0;
1015} 1035}
1016 1036
1037static void
1038prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx)
1039{
1040 ta->prev = (struct coro *)cctx;
1041 ta->next = 0;
1042}
1043
1017/* inject a fake call to Coro::State::_cctx_init into the execution */ 1044/* inject a fake call to Coro::State::_cctx_init into the execution */
1018/* _cctx_init should be careful, as it could be called at almost any time */ 1045/* _cctx_init should be careful, as it could be called at almost any time */
1019/* during execution of a perl program */ 1046/* during execution of a perl program */
1047/* also initialises PL_top_env */
1020static void NOINLINE 1048static void NOINLINE
1021cctx_prepare (pTHX_ coro_cctx *cctx) 1049cctx_prepare (pTHX_ coro_cctx *cctx)
1022{ 1050{
1023 dSP; 1051 dSP;
1024 LOGOP myop; 1052 UNOP myop;
1025 1053
1026 PL_top_env = &PL_start_env; 1054 PL_top_env = &PL_start_env;
1027 1055
1028 if (cctx->flags & CC_TRACE) 1056 if (cctx->flags & CC_TRACE)
1029 PL_runops = runops_trace; 1057 PL_runops = runops_trace;
1030 1058
1031 Zero (&myop, 1, LOGOP); 1059 Zero (&myop, 1, UNOP);
1032 myop.op_next = PL_op; 1060 myop.op_next = PL_op;
1033 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 1061 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
1034 1062
1035 PUSHMARK (SP); 1063 PUSHMARK (SP);
1036 EXTEND (SP, 2); 1064 EXTEND (SP, 2);
1037 PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); 1065 PUSHs (sv_2mortal (newSViv ((IV)cctx)));
1038 PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); 1066 PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
1039 PUTBACK; 1067 PUTBACK;
1040 PL_op = (OP *)&myop; 1068 PL_op = (OP *)&myop;
1041 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 1069 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1042 SPAGAIN; 1070 SPAGAIN;
1043} 1071}
1044 1072
1073/* the tail of transfer: execute stuff we can only do after a transfer */
1074static void
1075transfer_tail (pTHX)
1076{
1077 struct coro *next = (struct coro *)transfer_next;
1078 transfer_next = 0; //D for temporary assertion in transfer
1079 assert (("FATAL ERROR: internal error 1067 in Coro module, please report", next));//D
1080
1081 free_coro_mortal (aTHX);
1082 UNLOCK;
1083
1084 if (expect_false (next->throw))
1085 {
1086 SV *exception = sv_2mortal (next->throw);
1087
1088 next->throw = 0;
1089 sv_setsv (ERRSV, exception);
1090 croak (0);
1091 }
1092}
1093
1045/* 1094/*
1046 * this is a _very_ stripped down perl interpreter ;) 1095 * this is a _very_ stripped down perl interpreter ;)
1047 */ 1096 */
1048static void 1097static void
1049cctx_run (void *arg) 1098cctx_run (void *arg)
1050{ 1099{
1100#ifdef USE_ITHREADS
1101# if CORO_PTHREAD
1102 PERL_SET_CONTEXT (coro_thx);
1103# endif
1104#endif
1105 {
1051 dTHX; 1106 dTHX;
1052 1107
1053 /* cctx_run is the alternative tail of transfer(), so unlock here. */ 1108 /* entersub called ENTER, but we never 'returned', undo that here */
1054 UNLOCK; 1109 LEAVE;
1055 1110
1056 /* we now skip the entersub that lead to transfer() */ 1111 /* we now skip the entersub that did lead to transfer() */
1057 PL_op = PL_op->op_next; 1112 PL_op = PL_op->op_next;
1058 1113
1059 /* inject a fake subroutine call to cctx_init */ 1114 /* inject a fake subroutine call to cctx_init */
1060 cctx_prepare (aTHX_ (coro_cctx *)arg); 1115 cctx_prepare (aTHX_ (coro_cctx *)arg);
1061 1116
1117 /* cctx_run is the alternative tail of transfer() */
1118 transfer_tail (aTHX);
1119
1062 /* somebody or something will hit me for both perl_run and PL_restartop */ 1120 /* somebody or something will hit me for both perl_run and PL_restartop */
1063 PL_restartop = PL_op; 1121 PL_restartop = PL_op;
1064 perl_run (PL_curinterp); 1122 perl_run (PL_curinterp);
1065 1123
1066 /* 1124 /*
1067 * If perl-run returns we assume exit() was being called or the coro 1125 * If perl-run returns we assume exit() was being called or the coro
1068 * fell off the end, which seems to be the only valid (non-bug) 1126 * fell off the end, which seems to be the only valid (non-bug)
1069 * reason for perl_run to return. We try to exit by jumping to the 1127 * reason for perl_run to return. We try to exit by jumping to the
1070 * bootstrap-time "top" top_env, as we cannot restore the "main" 1128 * bootstrap-time "top" top_env, as we cannot restore the "main"
1071 * coroutine as Coro has no such concept 1129 * coroutine as Coro has no such concept
1072 */ 1130 */
1073 PL_top_env = main_top_env; 1131 PL_top_env = main_top_env;
1074 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1132 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1133 }
1075} 1134}
1076 1135
1077static coro_cctx * 1136static coro_cctx *
1078cctx_new () 1137cctx_new ()
1079{ 1138{
1080 coro_cctx *cctx; 1139 coro_cctx *cctx;
1140
1141 ++cctx_count;
1142 New (0, cctx, 1, coro_cctx);
1143
1144 cctx->gen = cctx_gen;
1145 cctx->flags = 0;
1146 cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */
1147
1148 return cctx;
1149}
1150
1151/* create a new cctx only suitable as source */
1152static coro_cctx *
1153cctx_new_empty ()
1154{
1155 coro_cctx *cctx = cctx_new ();
1156
1157 cctx->sptr = 0;
1158 coro_create (&cctx->cctx, 0, 0, 0, 0);
1159
1160 return cctx;
1161}
1162
1163/* create a new cctx suitable as destination/running a perl interpreter */
1164static coro_cctx *
1165cctx_new_run ()
1166{
1167 coro_cctx *cctx = cctx_new ();
1081 void *stack_start; 1168 void *stack_start;
1082 size_t stack_size; 1169 size_t stack_size;
1083 1170
1084 ++cctx_count;
1085 Newz (0, cctx, 1, coro_cctx);
1086
1087#if HAVE_MMAP 1171#if HAVE_MMAP
1088 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1172 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1089 /* mmap supposedly does allocate-on-write for us */ 1173 /* mmap supposedly does allocate-on-write for us */
1090 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 1174 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1091 1175
1092 if (cctx->sptr != (void *)-1) 1176 if (cctx->sptr != (void *)-1)
1093 { 1177 {
… …
1099 cctx->flags |= CC_MAPPED; 1183 cctx->flags |= CC_MAPPED;
1100 } 1184 }
1101 else 1185 else
1102#endif 1186#endif
1103 { 1187 {
1104 cctx->ssize = coro_stacksize * (long)sizeof (long); 1188 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1105 New (0, cctx->sptr, coro_stacksize, long); 1189 New (0, cctx->sptr, cctx_stacksize, long);
1106 1190
1107 if (!cctx->sptr) 1191 if (!cctx->sptr)
1108 { 1192 {
1109 perror ("FATAL: unable to allocate stack for coroutine"); 1193 perror ("FATAL: unable to allocate stack for coroutine");
1110 _exit (EXIT_FAILURE); 1194 _exit (EXIT_FAILURE);
… …
1146 1230
1147 Safefree (cctx); 1231 Safefree (cctx);
1148} 1232}
1149 1233
1150/* wether this cctx should be destructed */ 1234/* wether this cctx should be destructed */
1151#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) 1235#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1152 1236
1153static coro_cctx * 1237static coro_cctx *
1154cctx_get (pTHX) 1238cctx_get (pTHX)
1155{ 1239{
1156 while (expect_true (cctx_first)) 1240 while (expect_true (cctx_first))
… …
1163 return cctx; 1247 return cctx;
1164 1248
1165 cctx_destroy (cctx); 1249 cctx_destroy (cctx);
1166 } 1250 }
1167 1251
1168 return cctx_new (); 1252 return cctx_new_run ();
1169} 1253}
1170 1254
1171static void 1255static void
1172cctx_put (coro_cctx *cctx) 1256cctx_put (coro_cctx *cctx)
1173{ 1257{
1174 assert (("cctx_put called on non-initialised cctx", cctx->sptr)); 1258 assert (("cctx_put called on non-initialised cctx", cctx->sptr));
1175 1259
1176 /* free another cctx if overlimit */ 1260 /* free another cctx if overlimit */
1177 if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) 1261 if (expect_false (cctx_idle >= cctx_max_idle))
1178 { 1262 {
1179 coro_cctx *first = cctx_first; 1263 coro_cctx *first = cctx_first;
1180 cctx_first = first->next; 1264 cctx_first = first->next;
1181 --cctx_idle; 1265 --cctx_idle;
1182 1266
… …
1223 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1307 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1224 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1308 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1225 } 1309 }
1226 else if (expect_true (prev != next)) 1310 else if (expect_true (prev != next))
1227 { 1311 {
1228 static volatile int has_throw;
1229 coro_cctx *prev__cctx; 1312 coro_cctx *prev__cctx;
1230 1313
1231 if (expect_false (prev->flags & CF_NEW)) 1314 if (expect_false (prev->flags & CF_NEW))
1232 { 1315 {
1233 /* create a new empty/source context */ 1316 /* create a new empty/source context */
1234 ++cctx_count; 1317 prev->cctx = cctx_new_empty ();
1235 New (0, prev->cctx, 1, coro_cctx);
1236 prev->cctx->sptr = 0;
1237 coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
1238
1239 prev->flags &= ~CF_NEW; 1318 prev->flags &= ~CF_NEW;
1240 prev->flags |= CF_RUNNING; 1319 prev->flags |= CF_RUNNING;
1241 } 1320 }
1242 1321
1243 prev->flags &= ~CF_RUNNING; 1322 prev->flags &= ~CF_RUNNING;
… …
1258 else 1337 else
1259 load_perl (aTHX_ next); 1338 load_perl (aTHX_ next);
1260 1339
1261 prev__cctx = prev->cctx; 1340 prev__cctx = prev->cctx;
1262 1341
1263 /* possibly "free" the cctx */ 1342 /* possibly untie and reuse the cctx */
1264 if (expect_true ( 1343 if (expect_true (
1265 prev__cctx->idle_sp == STACKLEVEL 1344 prev__cctx->idle_sp == STACKLEVEL
1266 && !(prev__cctx->flags & CC_TRACE) 1345 && !(prev__cctx->flags & CC_TRACE)
1267 && !force_cctx 1346 && !force_cctx
1268 )) 1347 ))
… …
1284 ++next->usecount; 1363 ++next->usecount;
1285 1364
1286 if (expect_true (!next->cctx)) 1365 if (expect_true (!next->cctx))
1287 next->cctx = cctx_get (aTHX); 1366 next->cctx = cctx_get (aTHX);
1288 1367
1289 has_throw = !!next->throw; 1368 assert (("FATAL ERROR: internal error 1352 in Coro, please report", !transfer_next));//D
1369 transfer_next = next;
1290 1370
1291 if (expect_false (prev__cctx != next->cctx)) 1371 if (expect_false (prev__cctx != next->cctx))
1292 { 1372 {
1293 prev__cctx->top_env = PL_top_env; 1373 prev__cctx->top_env = PL_top_env;
1294 PL_top_env = next->cctx->top_env; 1374 PL_top_env = next->cctx->top_env;
1295 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1375 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1296 } 1376 }
1297 1377
1298 free_coro_mortal (aTHX); 1378 transfer_tail (aTHX);
1299 UNLOCK;
1300
1301 if (expect_false (has_throw))
1302 {
1303 struct coro *coro = SvSTATE (coro_current);
1304
1305 if (coro->throw)
1306 {
1307 SV *exception = coro->throw;
1308 coro->throw = 0;
1309 sv_setsv (ERRSV, exception);
1310 croak (0);
1311 }
1312 }
1313 } 1379 }
1314} 1380}
1315
1316struct transfer_args
1317{
1318 struct coro *prev, *next;
1319};
1320 1381
1321#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) 1382#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1322#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1383#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1323 1384
1324/** high level stuff ********************************************************/ 1385/** high level stuff ********************************************************/
… …
1536 /* cannot transfer to destroyed coros, skip and look for next */ 1597 /* cannot transfer to destroyed coros, skip and look for next */
1537 if (expect_false (ta->next->flags & CF_DESTROYED)) 1598 if (expect_false (ta->next->flags & CF_DESTROYED))
1538 { 1599 {
1539 UNLOCK; 1600 UNLOCK;
1540 SvREFCNT_dec (next_sv); 1601 SvREFCNT_dec (next_sv);
1541 /* coro_nready is already taken care of by destroy */ 1602 /* coro_nready has already been taken care of by destroy */
1542 continue; 1603 continue;
1543 } 1604 }
1544 1605
1545 --coro_nready; 1606 --coro_nready;
1546 UNLOCK; 1607 UNLOCK;
… …
1631 struct coro *coro = SvSTATE (coro_sv); 1692 struct coro *coro = SvSTATE (coro_sv);
1632 1693
1633 if (flags & CC_TRACE) 1694 if (flags & CC_TRACE)
1634 { 1695 {
1635 if (!coro->cctx) 1696 if (!coro->cctx)
1636 coro->cctx = cctx_new (); 1697 coro->cctx = cctx_new_run ();
1637 else if (!(coro->cctx->flags & CC_TRACE)) 1698 else if (!(coro->cctx->flags & CC_TRACE))
1638 croak ("cannot enable tracing on coroutine with custom stack"); 1699 croak ("cannot enable tracing on coroutine with custom stack");
1639 1700
1640 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); 1701 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1641 } 1702 }
… …
1648 else 1709 else
1649 coro->slot->runops = RUNOPS_DEFAULT; 1710 coro->slot->runops = RUNOPS_DEFAULT;
1650 } 1711 }
1651} 1712}
1652 1713
1714#if 0
1653static int 1715static int
1654coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) 1716coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1655{ 1717{
1656 AV *padlist; 1718 AV *padlist;
1657 AV *av = (AV *)mg->mg_obj; 1719 AV *av = (AV *)mg->mg_obj;
… …
1663 1725
1664static MGVTBL coro_gensub_vtbl = { 1726static MGVTBL coro_gensub_vtbl = {
1665 0, 0, 0, 0, 1727 0, 0, 0, 0,
1666 coro_gensub_free 1728 coro_gensub_free
1667}; 1729};
1730#endif
1668 1731
1669/*****************************************************************************/ 1732/*****************************************************************************/
1670/* PerlIO::cede */ 1733/* PerlIO::cede */
1671 1734
1672typedef struct 1735typedef struct
… …
1748 1811
1749BOOT: 1812BOOT:
1750{ 1813{
1751#ifdef USE_ITHREADS 1814#ifdef USE_ITHREADS
1752 MUTEX_INIT (&coro_lock); 1815 MUTEX_INIT (&coro_lock);
1816# if CORO_PTHREAD
1817 coro_thx = PERL_GET_CONTEXT;
1818# endif
1753#endif 1819#endif
1754 BOOT_PAGESIZE; 1820 BOOT_PAGESIZE;
1755 1821
1756 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1822 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1757 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1823 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
… …
1838 1904
1839 PUTBACK; 1905 PUTBACK;
1840 switch (ix) 1906 switch (ix)
1841 { 1907 {
1842 case 0: 1908 case 0:
1843 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1909 prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0)));
1844 ta.next = 0;
1845 break; 1910 break;
1846 1911
1847 case 1: 1912 case 1:
1848 if (items != 2) 1913 if (items != 2)
1849 croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items); 1914 croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
… …
1888 _exit (code); 1953 _exit (code);
1889 1954
1890int 1955int
1891cctx_stacksize (int new_stacksize = 0) 1956cctx_stacksize (int new_stacksize = 0)
1892 CODE: 1957 CODE:
1893 RETVAL = coro_stacksize; 1958 RETVAL = cctx_stacksize;
1894 if (new_stacksize) 1959 if (new_stacksize)
1960 {
1895 coro_stacksize = new_stacksize; 1961 cctx_stacksize = new_stacksize;
1962 ++cctx_gen;
1963 }
1964 OUTPUT:
1965 RETVAL
1966
1967int
1968cctx_max_idle (int max_idle = 0)
1969 CODE:
1970 RETVAL = cctx_max_idle;
1971 if (max_idle > 1)
1972 cctx_max_idle = max_idle;
1896 OUTPUT: 1973 OUTPUT:
1897 RETVAL 1974 RETVAL
1898 1975
1899int 1976int
1900cctx_count () 1977cctx_count ()
… …
1978 RETVAL = boolSV (coro->flags & ix); 2055 RETVAL = boolSV (coro->flags & ix);
1979 OUTPUT: 2056 OUTPUT:
1980 RETVAL 2057 RETVAL
1981 2058
1982void 2059void
2060throw (Coro::State self, SV *throw = &PL_sv_undef)
2061 PROTOTYPE: $;$
2062 CODE:
2063 SvREFCNT_dec (self->throw);
2064 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2065
2066void
1983api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 2067api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1984 2068
1985SV * 2069SV *
1986has_cctx (Coro::State coro) 2070has_cctx (Coro::State coro)
1987 PROTOTYPE: $ 2071 PROTOTYPE: $
… …
1996 CODE: 2080 CODE:
1997 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; 2081 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1998 OUTPUT: 2082 OUTPUT:
1999 RETVAL 2083 RETVAL
2000 2084
2001IV 2085UV
2002rss (Coro::State coro) 2086rss (Coro::State coro)
2003 PROTOTYPE: $ 2087 PROTOTYPE: $
2004 ALIAS: 2088 ALIAS:
2005 usecount = 1 2089 usecount = 1
2006 CODE: 2090 CODE:
… …
2129 CODE: 2213 CODE:
2130 RETVAL = coro_nready; 2214 RETVAL = coro_nready;
2131 OUTPUT: 2215 OUTPUT:
2132 RETVAL 2216 RETVAL
2133 2217
2134void
2135throw (Coro::State self, SV *throw = &PL_sv_undef)
2136 PROTOTYPE: $;$
2137 CODE:
2138 SvREFCNT_dec (self->throw);
2139 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2140
2141# for async_pool speedup 2218# for async_pool speedup
2142void 2219void
2143_pool_1 (SV *cb) 2220_pool_1 (SV *cb)
2144 CODE: 2221 CODE:
2145{ 2222{
… …
2188 sv_setsv (cb, &PL_sv_undef); 2265 sv_setsv (cb, &PL_sv_undef);
2189 2266
2190 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2267 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2191 coro->saved_deffh = 0; 2268 coro->saved_deffh = 0;
2192 2269
2193 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2270 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2194 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2271 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2195 { 2272 {
2196 SV *old = PL_diehook; 2273 SV *old = PL_diehook;
2197 PL_diehook = 0; 2274 PL_diehook = 0;
2198 SvREFCNT_dec (old); 2275 SvREFCNT_dec (old);

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines