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Comparing Coro/Coro/State.xs (file contents):
Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 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_mutex; 148static perl_mutex coro_lock;
148# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) 149# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
149# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } 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 after next transfer */ 185static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
186static volatile char next_has_throw; /* speedup flag for next->throw check */
173 187
174static GV *irsgv; /* $/ */ 188static GV *irsgv; /* $/ */
175static GV *stdoutgv; /* *STDOUT */ 189static GV *stdoutgv; /* *STDOUT */
176static SV *rv_diehook; 190static SV *rv_diehook;
177static SV *rv_warnhook; 191static SV *rv_warnhook;
… …
209 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 223 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 */ 224 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */
211 JMPENV *top_env; 225 JMPENV *top_env;
212 coro_context cctx; 226 coro_context cctx;
213 227
228 U32 gen;
214#if CORO_USE_VALGRIND 229#if CORO_USE_VALGRIND
215 int valgrind_id; 230 int valgrind_id;
216#endif 231#endif
217 unsigned char flags; 232 unsigned char flags;
218} coro_cctx; 233} coro_cctx;
… …
278#define PRIO_MIN -4 293#define PRIO_MIN -4
279 294
280/* for Coro.pm */ 295/* for Coro.pm */
281static SV *coro_current; 296static SV *coro_current;
282static SV *coro_readyhook; 297static SV *coro_readyhook;
283static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 298static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
284static int coro_nready; 299static int coro_nready;
285static struct coro *coro_first; 300static struct coro *coro_first;
286 301
287/** lowlevel stuff **********************************************************/ 302/** lowlevel stuff **********************************************************/
288 303
… …
383static MGVTBL coro_cv_vtbl = { 398static MGVTBL coro_cv_vtbl = {
384 0, 0, 0, 0, 399 0, 0, 0, 0,
385 coro_cv_free 400 coro_cv_free
386}; 401};
387 402
388#define CORO_MAGIC(sv,type) \ 403#define CORO_MAGIC(sv, type) \
389 SvMAGIC (sv) \ 404 SvMAGIC (sv) \
390 ? SvMAGIC (sv)->mg_type == type \ 405 ? SvMAGIC (sv)->mg_type == type \
391 ? SvMAGIC (sv) \ 406 ? SvMAGIC (sv) \
392 : mg_find (sv, type) \ 407 : mg_find (sv, type) \
393 : 0 408 : 0
394 409
395#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 410#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
396#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) 411#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
397 412
398static struct coro * 413static struct coro *
… …
628 643
629/* 644/*
630 * destroy the stacks, the callchain etc... 645 * destroy the stacks, the callchain etc...
631 */ 646 */
632static void 647static void
633coro_destroy_stacks (pTHX) 648coro_destruct_stacks (pTHX)
634{ 649{
635 while (PL_curstackinfo->si_next) 650 while (PL_curstackinfo->si_next)
636 PL_curstackinfo = PL_curstackinfo->si_next; 651 PL_curstackinfo = PL_curstackinfo->si_next;
637 652
638 while (PL_curstackinfo) 653 while (PL_curstackinfo)
… …
843 */ 858 */
844 ENTER; 859 ENTER;
845} 860}
846 861
847static void 862static void
848coro_destroy (pTHX_ struct coro *coro) 863coro_destruct (pTHX_ struct coro *coro)
849{ 864{
850 if (!IN_DESTRUCT) 865 if (!IN_DESTRUCT)
851 { 866 {
852 /* restore all saved variables and stuff */ 867 /* restore all saved variables and stuff */
853 LEAVE_SCOPE (0); 868 LEAVE_SCOPE (0);
… …
875 SvREFCNT_dec (PL_warnhook); 890 SvREFCNT_dec (PL_warnhook);
876 891
877 SvREFCNT_dec (coro->saved_deffh); 892 SvREFCNT_dec (coro->saved_deffh);
878 SvREFCNT_dec (coro->throw); 893 SvREFCNT_dec (coro->throw);
879 894
880 coro_destroy_stacks (aTHX); 895 coro_destruct_stacks (aTHX);
881} 896}
882 897
883static void 898static void
884free_coro_mortal (pTHX) 899free_coro_mortal (pTHX)
885{ 900{
… …
1015} 1030}
1016 1031
1017/* inject a fake call to Coro::State::_cctx_init into the execution */ 1032/* 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 */ 1033/* _cctx_init should be careful, as it could be called at almost any time */
1019/* during execution of a perl program */ 1034/* during execution of a perl program */
1035/* also initialises PL_top_env */
1020static void NOINLINE 1036static void NOINLINE
1021cctx_prepare (pTHX_ coro_cctx *cctx) 1037cctx_prepare (pTHX_ coro_cctx *cctx)
1022{ 1038{
1023 dSP; 1039 dSP;
1024 LOGOP myop; 1040 LOGOP myop;
… …
1040 PL_op = (OP *)&myop; 1056 PL_op = (OP *)&myop;
1041 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 1057 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1042 SPAGAIN; 1058 SPAGAIN;
1043} 1059}
1044 1060
1061/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
1062static void
1063transfer_tail (void)
1064{
1065 UNLOCK;
1066
1067 if (expect_false (next_has_throw))
1068 {
1069 struct coro *coro = SvSTATE (coro_current);
1070
1071 if (coro->throw)
1072 {
1073 SV *exception = coro->throw;
1074 coro->throw = 0;
1075 sv_setsv (ERRSV, exception);
1076 croak (0);
1077 }
1078 }
1079}
1080
1045/* 1081/*
1046 * this is a _very_ stripped down perl interpreter ;) 1082 * this is a _very_ stripped down perl interpreter ;)
1047 */ 1083 */
1048static void 1084static void
1049cctx_run (void *arg) 1085cctx_run (void *arg)
1050{ 1086{
1087#ifdef USE_ITHREADS
1088# if CORO_PTHREAD
1089 PERL_SET_CONTEXT (coro_thx);
1090# endif
1091#endif
1092 {
1051 dTHX; 1093 dTHX;
1052 1094
1053 /* cctx_run is the alternative tail of transfer(), so unlock here. */
1054 UNLOCK;
1055
1056 /* we now skip the entersub that lead to transfer() */ 1095 /* we now skip the entersub that lead to transfer () */
1057 PL_op = PL_op->op_next; 1096 PL_op = PL_op->op_next;
1058 1097
1059 /* inject a fake subroutine call to cctx_init */ 1098 /* inject a fake subroutine call to cctx_init */
1060 cctx_prepare (aTHX_ (coro_cctx *)arg); 1099 cctx_prepare (aTHX_ (coro_cctx *)arg);
1061 1100
1101 /* cctx_run is the alternative tail of transfer () */
1102 transfer_tail ();
1103
1062 /* somebody or something will hit me for both perl_run and PL_restartop */ 1104 /* somebody or something will hit me for both perl_run and PL_restartop */
1063 PL_restartop = PL_op; 1105 PL_restartop = PL_op;
1064 perl_run (PL_curinterp); 1106 perl_run (PL_curinterp);
1065 1107
1066 /* 1108 /*
1067 * If perl-run returns we assume exit() was being called or the coro 1109 * 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) 1110 * 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 1111 * 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" 1112 * bootstrap-time "top" top_env, as we cannot restore the "main"
1071 * coroutine as Coro has no such concept 1113 * coroutine as Coro has no such concept
1072 */ 1114 */
1073 PL_top_env = main_top_env; 1115 PL_top_env = main_top_env;
1074 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1116 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1117 }
1075} 1118}
1076 1119
1077static coro_cctx * 1120static coro_cctx *
1078cctx_new () 1121cctx_new ()
1079{ 1122{
1080 coro_cctx *cctx; 1123 coro_cctx *cctx;
1124
1125 ++cctx_count;
1126 New (0, cctx, 1, coro_cctx);
1127
1128 cctx->gen = cctx_gen;
1129 cctx->flags = 0;
1130 cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel */
1131
1132 return cctx;
1133}
1134
1135/* create a new cctx only suitable as source */
1136static coro_cctx *
1137cctx_new_empty ()
1138{
1139 coro_cctx *cctx = cctx_new ();
1140
1141 cctx->sptr = 0;
1142 coro_create (&cctx->cctx, 0, 0, 0, 0);
1143
1144 return cctx;
1145}
1146
1147/* create a new cctx suitable as destination/running a perl interpreter */
1148static coro_cctx *
1149cctx_new_run ()
1150{
1151 coro_cctx *cctx = cctx_new ();
1081 void *stack_start; 1152 void *stack_start;
1082 size_t stack_size; 1153 size_t stack_size;
1083 1154
1084 ++cctx_count;
1085
1086 Newz (0, cctx, 1, coro_cctx);
1087
1088#if HAVE_MMAP 1155#if HAVE_MMAP
1089 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1156 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1090 /* mmap supposedly does allocate-on-write for us */ 1157 /* mmap supposedly does allocate-on-write for us */
1091 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 1158 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1092 1159
1093 if (cctx->sptr != (void *)-1) 1160 if (cctx->sptr != (void *)-1)
1094 { 1161 {
… …
1100 cctx->flags |= CC_MAPPED; 1167 cctx->flags |= CC_MAPPED;
1101 } 1168 }
1102 else 1169 else
1103#endif 1170#endif
1104 { 1171 {
1105 cctx->ssize = coro_stacksize * (long)sizeof (long); 1172 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1106 New (0, cctx->sptr, coro_stacksize, long); 1173 New (0, cctx->sptr, cctx_stacksize, long);
1107 1174
1108 if (!cctx->sptr) 1175 if (!cctx->sptr)
1109 { 1176 {
1110 perror ("FATAL: unable to allocate stack for coroutine"); 1177 perror ("FATAL: unable to allocate stack for coroutine");
1111 _exit (EXIT_FAILURE); 1178 _exit (EXIT_FAILURE);
… …
1126{ 1193{
1127 if (!cctx) 1194 if (!cctx)
1128 return; 1195 return;
1129 1196
1130 --cctx_count; 1197 --cctx_count;
1198 coro_destroy (&cctx->cctx);
1131 1199
1200 /* coro_transfer creates new, empty cctx's */
1201 if (cctx->sptr)
1202 {
1132#if CORO_USE_VALGRIND 1203#if CORO_USE_VALGRIND
1133 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 1204 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1134#endif 1205#endif
1135 1206
1136#if HAVE_MMAP 1207#if HAVE_MMAP
1137 if (cctx->flags & CC_MAPPED) 1208 if (cctx->flags & CC_MAPPED)
1138 munmap (cctx->sptr, cctx->ssize); 1209 munmap (cctx->sptr, cctx->ssize);
1139 else 1210 else
1140#endif 1211#endif
1141 Safefree (cctx->sptr); 1212 Safefree (cctx->sptr);
1213 }
1142 1214
1143 Safefree (cctx); 1215 Safefree (cctx);
1144} 1216}
1145 1217
1146/* wether this cctx should be destructed */ 1218/* wether this cctx should be destructed */
1147#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) 1219#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1148 1220
1149static coro_cctx * 1221static coro_cctx *
1150cctx_get (pTHX) 1222cctx_get (pTHX)
1151{ 1223{
1152 while (expect_true (cctx_first)) 1224 while (expect_true (cctx_first))
… …
1159 return cctx; 1231 return cctx;
1160 1232
1161 cctx_destroy (cctx); 1233 cctx_destroy (cctx);
1162 } 1234 }
1163 1235
1164 return cctx_new (); 1236 return cctx_new_run ();
1165} 1237}
1166 1238
1167static void 1239static void
1168cctx_put (coro_cctx *cctx) 1240cctx_put (coro_cctx *cctx)
1169{ 1241{
1242 assert (("cctx_put called on non-initialised cctx", cctx->sptr));
1243
1170 /* free another cctx if overlimit */ 1244 /* free another cctx if overlimit */
1171 if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) 1245 if (expect_false (cctx_idle >= cctx_max_idle))
1172 { 1246 {
1173 coro_cctx *first = cctx_first; 1247 coro_cctx *first = cctx_first;
1174 cctx_first = first->next; 1248 cctx_first = first->next;
1175 --cctx_idle; 1249 --cctx_idle;
1176 1250
… …
1208/* always use the TRANSFER macro */ 1282/* always use the TRANSFER macro */
1209static void NOINLINE 1283static void NOINLINE
1210transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1284transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1211{ 1285{
1212 dSTACKLEVEL; 1286 dSTACKLEVEL;
1213 static volatile int has_throw;
1214 1287
1215 /* sometimes transfer is only called to set idle_sp */ 1288 /* sometimes transfer is only called to set idle_sp */
1216 if (expect_false (!next)) 1289 if (expect_false (!next))
1217 { 1290 {
1218 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1291 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
… …
1222 { 1295 {
1223 coro_cctx *prev__cctx; 1296 coro_cctx *prev__cctx;
1224 1297
1225 if (expect_false (prev->flags & CF_NEW)) 1298 if (expect_false (prev->flags & CF_NEW))
1226 { 1299 {
1227 /* create a new empty context */ 1300 /* create a new empty/source context */
1228 Newz (0, prev->cctx, 1, coro_cctx); 1301 prev->cctx = cctx_new_empty ();
1229 prev->flags &= ~CF_NEW; 1302 prev->flags &= ~CF_NEW;
1230 prev->flags |= CF_RUNNING; 1303 prev->flags |= CF_RUNNING;
1231 } 1304 }
1232 1305
1233 prev->flags &= ~CF_RUNNING; 1306 prev->flags &= ~CF_RUNNING;
… …
1248 else 1321 else
1249 load_perl (aTHX_ next); 1322 load_perl (aTHX_ next);
1250 1323
1251 prev__cctx = prev->cctx; 1324 prev__cctx = prev->cctx;
1252 1325
1326 if (prev__cctx->idle_sp == STACKLEVEL) asm volatile("");//D
1327
1253 /* possibly "free" the cctx */ 1328 /* possibly "free" the cctx */
1254 if (expect_true ( 1329 if (expect_true (
1255 prev__cctx->idle_sp == STACKLEVEL 1330 prev__cctx->idle_sp == STACKLEVEL
1256 && !(prev__cctx->flags & CC_TRACE) 1331 && !(prev__cctx->flags & CC_TRACE)
1257 && !force_cctx 1332 && !force_cctx
… …
1274 ++next->usecount; 1349 ++next->usecount;
1275 1350
1276 if (expect_true (!next->cctx)) 1351 if (expect_true (!next->cctx))
1277 next->cctx = cctx_get (aTHX); 1352 next->cctx = cctx_get (aTHX);
1278 1353
1279 has_throw = !!next->throw; 1354 next_has_throw = !!next->throw;
1280 1355
1281 if (expect_false (prev__cctx != next->cctx)) 1356 if (expect_false (prev__cctx != next->cctx))
1282 { 1357 {
1283 prev__cctx->top_env = PL_top_env; 1358 prev__cctx->top_env = PL_top_env;
1284 PL_top_env = next->cctx->top_env; 1359 PL_top_env = next->cctx->top_env;
… …
1286 } 1361 }
1287 1362
1288 free_coro_mortal (aTHX); 1363 free_coro_mortal (aTHX);
1289 UNLOCK; 1364 UNLOCK;
1290 1365
1291 if (expect_false (has_throw)) 1366 transfer_tail ();
1292 {
1293 struct coro *coro = SvSTATE (coro_current);
1294
1295 if (coro->throw)
1296 {
1297 SV *exception = coro->throw;
1298 coro->throw = 0;
1299 sv_setsv (ERRSV, exception);
1300 croak (0);
1301 }
1302 }
1303 } 1367 }
1304} 1368}
1305 1369
1306struct transfer_args 1370struct transfer_args
1307{ 1371{
… …
1340 croak ("FATAL: tried to destroy currently running coroutine"); 1404 croak ("FATAL: tried to destroy currently running coroutine");
1341 1405
1342 save_perl (aTHX_ &temp); 1406 save_perl (aTHX_ &temp);
1343 load_perl (aTHX_ coro); 1407 load_perl (aTHX_ coro);
1344 1408
1345 coro_destroy (aTHX_ coro); 1409 coro_destruct (aTHX_ coro);
1346 1410
1347 load_perl (aTHX_ &temp); 1411 load_perl (aTHX_ &temp);
1348 1412
1349 coro->slot = 0; 1413 coro->slot = 0;
1350 } 1414 }
… …
1621 struct coro *coro = SvSTATE (coro_sv); 1685 struct coro *coro = SvSTATE (coro_sv);
1622 1686
1623 if (flags & CC_TRACE) 1687 if (flags & CC_TRACE)
1624 { 1688 {
1625 if (!coro->cctx) 1689 if (!coro->cctx)
1626 coro->cctx = cctx_new (); 1690 coro->cctx = cctx_new_run ();
1627 else if (!(coro->cctx->flags & CC_TRACE)) 1691 else if (!(coro->cctx->flags & CC_TRACE))
1628 croak ("cannot enable tracing on coroutine with custom stack"); 1692 croak ("cannot enable tracing on coroutine with custom stack");
1629 1693
1630 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); 1694 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1631 } 1695 }
… …
1638 else 1702 else
1639 coro->slot->runops = RUNOPS_DEFAULT; 1703 coro->slot->runops = RUNOPS_DEFAULT;
1640 } 1704 }
1641} 1705}
1642 1706
1707#if 0
1643static int 1708static int
1644coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) 1709coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1645{ 1710{
1646 AV *padlist; 1711 AV *padlist;
1647 AV *av = (AV *)mg->mg_obj; 1712 AV *av = (AV *)mg->mg_obj;
… …
1653 1718
1654static MGVTBL coro_gensub_vtbl = { 1719static MGVTBL coro_gensub_vtbl = {
1655 0, 0, 0, 0, 1720 0, 0, 0, 0,
1656 coro_gensub_free 1721 coro_gensub_free
1657}; 1722};
1723#endif
1658 1724
1659/*****************************************************************************/ 1725/*****************************************************************************/
1660/* PerlIO::cede */ 1726/* PerlIO::cede */
1661 1727
1662typedef struct 1728typedef struct
… …
1737PROTOTYPES: DISABLE 1803PROTOTYPES: DISABLE
1738 1804
1739BOOT: 1805BOOT:
1740{ 1806{
1741#ifdef USE_ITHREADS 1807#ifdef USE_ITHREADS
1742 MUTEX_INIT (&coro_mutex); 1808 MUTEX_INIT (&coro_lock);
1809# if CORO_PTHREAD
1810 coro_thx = PERL_GET_CONTEXT;
1811# endif
1743#endif 1812#endif
1744 BOOT_PAGESIZE; 1813 BOOT_PAGESIZE;
1745 1814
1746 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1815 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1747 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1816 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
… …
1834 ta.next = 0; 1903 ta.next = 0;
1835 break; 1904 break;
1836 1905
1837 case 1: 1906 case 1:
1838 if (items != 2) 1907 if (items != 2)
1839 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); 1908 croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1840 1909
1841 prepare_transfer (aTHX_ &ta, ST (0), ST (1)); 1910 prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1842 break; 1911 break;
1843 1912
1844 case 2: 1913 case 2:
… …
1878 _exit (code); 1947 _exit (code);
1879 1948
1880int 1949int
1881cctx_stacksize (int new_stacksize = 0) 1950cctx_stacksize (int new_stacksize = 0)
1882 CODE: 1951 CODE:
1883 RETVAL = coro_stacksize; 1952 RETVAL = cctx_stacksize;
1884 if (new_stacksize) 1953 if (new_stacksize)
1954 {
1885 coro_stacksize = new_stacksize; 1955 cctx_stacksize = new_stacksize;
1956 ++cctx_gen;
1957 }
1958 OUTPUT:
1959 RETVAL
1960
1961int
1962cctx_max_idle (int max_idle = 0)
1963 CODE:
1964 RETVAL = cctx_max_idle;
1965 if (max_idle > 1)
1966 cctx_max_idle = max_idle;
1886 OUTPUT: 1967 OUTPUT:
1887 RETVAL 1968 RETVAL
1888 1969
1889int 1970int
1890cctx_count () 1971cctx_count ()
… …
1986 CODE: 2067 CODE:
1987 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; 2068 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1988 OUTPUT: 2069 OUTPUT:
1989 RETVAL 2070 RETVAL
1990 2071
1991IV 2072UV
1992rss (Coro::State coro) 2073rss (Coro::State coro)
1993 PROTOTYPE: $ 2074 PROTOTYPE: $
1994 ALIAS: 2075 ALIAS:
1995 usecount = 1 2076 usecount = 1
1996 CODE: 2077 CODE:
… …
2007 CODE: 2088 CODE:
2008 struct coro *coro = SvSTATE (coro_current); 2089 struct coro *coro = SvSTATE (coro_current);
2009 coro->cctx->idle_sp = 0; 2090 coro->cctx->idle_sp = 0;
2010 2091
2011void 2092void
2012throw (Coro::State self, SV *throw = &PL_sv_undef)
2013 PROTOTYPE: $;$
2014 CODE:
2015 SvREFCNT_dec (self->throw);
2016 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2017
2018void
2019swap_defsv (Coro::State self) 2093swap_defsv (Coro::State self)
2020 PROTOTYPE: $ 2094 PROTOTYPE: $
2021 ALIAS: 2095 ALIAS:
2022 swap_defav = 1 2096 swap_defav = 1
2023 CODE: 2097 CODE:
… …
2126 CODE: 2200 CODE:
2127 RETVAL = coro_nready; 2201 RETVAL = coro_nready;
2128 OUTPUT: 2202 OUTPUT:
2129 RETVAL 2203 RETVAL
2130 2204
2205void
2206throw (Coro::State self, SV *throw = &PL_sv_undef)
2207 PROTOTYPE: $;$
2208 CODE:
2209 SvREFCNT_dec (self->throw);
2210 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2211
2131# for async_pool speedup 2212# for async_pool speedup
2132void 2213void
2133_pool_1 (SV *cb) 2214_pool_1 (SV *cb)
2134 CODE: 2215 CODE:
2135{ 2216{
… …
2178 sv_setsv (cb, &PL_sv_undef); 2259 sv_setsv (cb, &PL_sv_undef);
2179 2260
2180 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2261 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2181 coro->saved_deffh = 0; 2262 coro->saved_deffh = 0;
2182 2263
2183 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2264 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2184 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2265 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2185 { 2266 {
2186 SV *old = PL_diehook; 2267 SV *old = PL_diehook;
2187 PL_diehook = 0; 2268 PL_diehook = 0;
2188 SvREFCNT_dec (old); 2269 SvREFCNT_dec (old);

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