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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 1.257 by root, Sun Nov 9 15:35:44 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 */
173 186
174static GV *irsgv; /* $/ */ 187static GV *irsgv; /* $/ */
175static GV *stdoutgv; /* *STDOUT */ 188static GV *stdoutgv; /* *STDOUT */
176static SV *rv_diehook; 189static SV *rv_diehook;
177static SV *rv_warnhook; 190static SV *rv_warnhook;
… …
209 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 222 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 */ 223 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */
211 JMPENV *top_env; 224 JMPENV *top_env;
212 coro_context cctx; 225 coro_context cctx;
213 226
227 U32 gen;
214#if CORO_USE_VALGRIND 228#if CORO_USE_VALGRIND
215 int valgrind_id; 229 int valgrind_id;
216#endif 230#endif
217 unsigned char flags; 231 unsigned char flags;
218} coro_cctx; 232} coro_cctx;
… …
278#define PRIO_MIN -4 292#define PRIO_MIN -4
279 293
280/* for Coro.pm */ 294/* for Coro.pm */
281static SV *coro_current; 295static SV *coro_current;
282static SV *coro_readyhook; 296static SV *coro_readyhook;
283static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 297static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
284static int coro_nready; 298static int coro_nready;
285static struct coro *coro_first; 299static struct coro *coro_first;
286 300
287/** lowlevel stuff **********************************************************/ 301/** lowlevel stuff **********************************************************/
288 302
… …
383static MGVTBL coro_cv_vtbl = { 397static MGVTBL coro_cv_vtbl = {
384 0, 0, 0, 0, 398 0, 0, 0, 0,
385 coro_cv_free 399 coro_cv_free
386}; 400};
387 401
388#define CORO_MAGIC(sv,type) \ 402#define CORO_MAGIC(sv, type) \
389 SvMAGIC (sv) \ 403 SvMAGIC (sv) \
390 ? SvMAGIC (sv)->mg_type == type \ 404 ? SvMAGIC (sv)->mg_type == type \
391 ? SvMAGIC (sv) \ 405 ? SvMAGIC (sv) \
392 : mg_find (sv, type) \ 406 : mg_find (sv, type) \
393 : 0 407 : 0
394 408
395#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 409#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) 410#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
397 411
398static struct coro * 412static struct coro *
… …
628 642
629/* 643/*
630 * destroy the stacks, the callchain etc... 644 * destroy the stacks, the callchain etc...
631 */ 645 */
632static void 646static void
633coro_destroy_stacks (pTHX) 647coro_destruct_stacks (pTHX)
634{ 648{
635 while (PL_curstackinfo->si_next) 649 while (PL_curstackinfo->si_next)
636 PL_curstackinfo = PL_curstackinfo->si_next; 650 PL_curstackinfo = PL_curstackinfo->si_next;
637 651
638 while (PL_curstackinfo) 652 while (PL_curstackinfo)
… …
843 */ 857 */
844 ENTER; 858 ENTER;
845} 859}
846 860
847static void 861static void
848coro_destroy (pTHX_ struct coro *coro) 862coro_destruct (pTHX_ struct coro *coro)
849{ 863{
850 if (!IN_DESTRUCT) 864 if (!IN_DESTRUCT)
851 { 865 {
852 /* restore all saved variables and stuff */ 866 /* restore all saved variables and stuff */
853 LEAVE_SCOPE (0); 867 LEAVE_SCOPE (0);
… …
875 SvREFCNT_dec (PL_warnhook); 889 SvREFCNT_dec (PL_warnhook);
876 890
877 SvREFCNT_dec (coro->saved_deffh); 891 SvREFCNT_dec (coro->saved_deffh);
878 SvREFCNT_dec (coro->throw); 892 SvREFCNT_dec (coro->throw);
879 893
880 coro_destroy_stacks (aTHX); 894 coro_destruct_stacks (aTHX);
881} 895}
882 896
883static void 897static void
884free_coro_mortal (pTHX) 898free_coro_mortal (pTHX)
885{ 899{
… …
1046 * this is a _very_ stripped down perl interpreter ;) 1060 * this is a _very_ stripped down perl interpreter ;)
1047 */ 1061 */
1048static void 1062static void
1049cctx_run (void *arg) 1063cctx_run (void *arg)
1050{ 1064{
1065#ifdef USE_ITHREADS
1066# if CORO_PTHREAD
1067 PERL_SET_CONTEXT (coro_thx);
1068# endif
1069#endif
1070 {
1051 dTHX; 1071 dTHX;
1052 1072
1053 /* cctx_run is the alternative tail of transfer(), so unlock here. */ 1073 /* cctx_run is the alternative tail of transfer(), so unlock here. */
1054 UNLOCK; 1074 UNLOCK;
1055 1075
1056 /* we now skip the entersub that lead to transfer() */ 1076 /* we now skip the entersub that lead to transfer() */
1057 PL_op = PL_op->op_next; 1077 PL_op = PL_op->op_next;
1058 1078
1059 /* inject a fake subroutine call to cctx_init */ 1079 /* inject a fake subroutine call to cctx_init */
1060 cctx_prepare (aTHX_ (coro_cctx *)arg); 1080 cctx_prepare (aTHX_ (coro_cctx *)arg);
1061 1081
1062 /* somebody or something will hit me for both perl_run and PL_restartop */ 1082 /* somebody or something will hit me for both perl_run and PL_restartop */
1063 PL_restartop = PL_op; 1083 PL_restartop = PL_op;
1064 perl_run (PL_curinterp); 1084 perl_run (PL_curinterp);
1065 1085
1066 /* 1086 /*
1067 * If perl-run returns we assume exit() was being called or the coro 1087 * 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) 1088 * 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 1089 * 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" 1090 * bootstrap-time "top" top_env, as we cannot restore the "main"
1071 * coroutine as Coro has no such concept 1091 * coroutine as Coro has no such concept
1072 */ 1092 */
1073 PL_top_env = main_top_env; 1093 PL_top_env = main_top_env;
1074 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1094 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1095 }
1075} 1096}
1076 1097
1077static coro_cctx * 1098static coro_cctx *
1078cctx_new () 1099cctx_new ()
1079{ 1100{
1080 coro_cctx *cctx; 1101 coro_cctx *cctx;
1081 void *stack_start; 1102 void *stack_start;
1082 size_t stack_size; 1103 size_t stack_size;
1083 1104
1084 ++cctx_count; 1105 ++cctx_count;
1085
1086 Newz (0, cctx, 1, coro_cctx); 1106 Newz (0, cctx, 1, coro_cctx);
1087 1107
1108 cctx->gen = cctx_gen;
1109
1088#if HAVE_MMAP 1110#if HAVE_MMAP
1089 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1111 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1090 /* mmap supposedly does allocate-on-write for us */ 1112 /* 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); 1113 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1092 1114
1093 if (cctx->sptr != (void *)-1) 1115 if (cctx->sptr != (void *)-1)
1094 { 1116 {
… …
1100 cctx->flags |= CC_MAPPED; 1122 cctx->flags |= CC_MAPPED;
1101 } 1123 }
1102 else 1124 else
1103#endif 1125#endif
1104 { 1126 {
1105 cctx->ssize = coro_stacksize * (long)sizeof (long); 1127 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1106 New (0, cctx->sptr, coro_stacksize, long); 1128 New (0, cctx->sptr, cctx_stacksize, long);
1107 1129
1108 if (!cctx->sptr) 1130 if (!cctx->sptr)
1109 { 1131 {
1110 perror ("FATAL: unable to allocate stack for coroutine"); 1132 perror ("FATAL: unable to allocate stack for coroutine");
1111 _exit (EXIT_FAILURE); 1133 _exit (EXIT_FAILURE);
… …
1126{ 1148{
1127 if (!cctx) 1149 if (!cctx)
1128 return; 1150 return;
1129 1151
1130 --cctx_count; 1152 --cctx_count;
1153 coro_destroy (&cctx->cctx);
1131 1154
1155 /* coro_transfer creates new, empty cctx's */
1156 if (cctx->sptr)
1157 {
1132#if CORO_USE_VALGRIND 1158#if CORO_USE_VALGRIND
1133 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 1159 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1134#endif 1160#endif
1135 1161
1136#if HAVE_MMAP 1162#if HAVE_MMAP
1137 if (cctx->flags & CC_MAPPED) 1163 if (cctx->flags & CC_MAPPED)
1138 munmap (cctx->sptr, cctx->ssize); 1164 munmap (cctx->sptr, cctx->ssize);
1139 else 1165 else
1140#endif 1166#endif
1141 Safefree (cctx->sptr); 1167 Safefree (cctx->sptr);
1168 }
1142 1169
1143 Safefree (cctx); 1170 Safefree (cctx);
1144} 1171}
1145 1172
1146/* wether this cctx should be destructed */ 1173/* wether this cctx should be destructed */
1147#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) 1174#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1148 1175
1149static coro_cctx * 1176static coro_cctx *
1150cctx_get (pTHX) 1177cctx_get (pTHX)
1151{ 1178{
1152 while (expect_true (cctx_first)) 1179 while (expect_true (cctx_first))
… …
1165} 1192}
1166 1193
1167static void 1194static void
1168cctx_put (coro_cctx *cctx) 1195cctx_put (coro_cctx *cctx)
1169{ 1196{
1197 assert (("cctx_put called on non-initialised cctx", cctx->sptr));
1198
1170 /* free another cctx if overlimit */ 1199 /* free another cctx if overlimit */
1171 if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) 1200 if (expect_false (cctx_idle >= cctx_max_idle))
1172 { 1201 {
1173 coro_cctx *first = cctx_first; 1202 coro_cctx *first = cctx_first;
1174 cctx_first = first->next; 1203 cctx_first = first->next;
1175 --cctx_idle; 1204 --cctx_idle;
1176 1205
… …
1208/* always use the TRANSFER macro */ 1237/* always use the TRANSFER macro */
1209static void NOINLINE 1238static void NOINLINE
1210transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1239transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1211{ 1240{
1212 dSTACKLEVEL; 1241 dSTACKLEVEL;
1213 static volatile int has_throw;
1214 1242
1215 /* sometimes transfer is only called to set idle_sp */ 1243 /* sometimes transfer is only called to set idle_sp */
1216 if (expect_false (!next)) 1244 if (expect_false (!next))
1217 { 1245 {
1218 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1246 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1219 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1247 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1220 } 1248 }
1221 else if (expect_true (prev != next)) 1249 else if (expect_true (prev != next))
1222 { 1250 {
1251 static volatile int has_throw;
1223 coro_cctx *prev__cctx; 1252 coro_cctx *prev__cctx;
1224 1253
1225 if (expect_false (prev->flags & CF_NEW)) 1254 if (expect_false (prev->flags & CF_NEW))
1226 { 1255 {
1227 /* create a new empty context */ 1256 /* create a new empty/source context */
1257 ++cctx_count;
1228 Newz (0, prev->cctx, 1, coro_cctx); 1258 New (0, prev->cctx, 1, coro_cctx);
1259 prev->cctx->sptr = 0;
1260 coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
1261
1229 prev->flags &= ~CF_NEW; 1262 prev->flags &= ~CF_NEW;
1230 prev->flags |= CF_RUNNING; 1263 prev->flags |= CF_RUNNING;
1231 } 1264 }
1232 1265
1233 prev->flags &= ~CF_RUNNING; 1266 prev->flags &= ~CF_RUNNING;
… …
1340 croak ("FATAL: tried to destroy currently running coroutine"); 1373 croak ("FATAL: tried to destroy currently running coroutine");
1341 1374
1342 save_perl (aTHX_ &temp); 1375 save_perl (aTHX_ &temp);
1343 load_perl (aTHX_ coro); 1376 load_perl (aTHX_ coro);
1344 1377
1345 coro_destroy (aTHX_ coro); 1378 coro_destruct (aTHX_ coro);
1346 1379
1347 load_perl (aTHX_ &temp); 1380 load_perl (aTHX_ &temp);
1348 1381
1349 coro->slot = 0; 1382 coro->slot = 0;
1350 } 1383 }
… …
1638 else 1671 else
1639 coro->slot->runops = RUNOPS_DEFAULT; 1672 coro->slot->runops = RUNOPS_DEFAULT;
1640 } 1673 }
1641} 1674}
1642 1675
1676#if 0
1643static int 1677static int
1644coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) 1678coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1645{ 1679{
1646 AV *padlist; 1680 AV *padlist;
1647 AV *av = (AV *)mg->mg_obj; 1681 AV *av = (AV *)mg->mg_obj;
… …
1653 1687
1654static MGVTBL coro_gensub_vtbl = { 1688static MGVTBL coro_gensub_vtbl = {
1655 0, 0, 0, 0, 1689 0, 0, 0, 0,
1656 coro_gensub_free 1690 coro_gensub_free
1657}; 1691};
1692#endif
1658 1693
1659/*****************************************************************************/ 1694/*****************************************************************************/
1660/* PerlIO::cede */ 1695/* PerlIO::cede */
1661 1696
1662typedef struct 1697typedef struct
… …
1737PROTOTYPES: DISABLE 1772PROTOTYPES: DISABLE
1738 1773
1739BOOT: 1774BOOT:
1740{ 1775{
1741#ifdef USE_ITHREADS 1776#ifdef USE_ITHREADS
1742 MUTEX_INIT (&coro_mutex); 1777 MUTEX_INIT (&coro_lock);
1778# if CORO_PTHREAD
1779 coro_thx = PERL_GET_CONTEXT;
1780# endif
1743#endif 1781#endif
1744 BOOT_PAGESIZE; 1782 BOOT_PAGESIZE;
1745 1783
1746 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1784 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1747 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1785 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
… …
1834 ta.next = 0; 1872 ta.next = 0;
1835 break; 1873 break;
1836 1874
1837 case 1: 1875 case 1:
1838 if (items != 2) 1876 if (items != 2)
1839 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); 1877 croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1840 1878
1841 prepare_transfer (aTHX_ &ta, ST (0), ST (1)); 1879 prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1842 break; 1880 break;
1843 1881
1844 case 2: 1882 case 2:
… …
1878 _exit (code); 1916 _exit (code);
1879 1917
1880int 1918int
1881cctx_stacksize (int new_stacksize = 0) 1919cctx_stacksize (int new_stacksize = 0)
1882 CODE: 1920 CODE:
1883 RETVAL = coro_stacksize; 1921 RETVAL = cctx_stacksize;
1884 if (new_stacksize) 1922 if (new_stacksize)
1923 {
1885 coro_stacksize = new_stacksize; 1924 cctx_stacksize = new_stacksize;
1925 ++cctx_gen;
1926 }
1927 OUTPUT:
1928 RETVAL
1929
1930int
1931cctx_max_idle (int max_idle = 0)
1932 CODE:
1933 RETVAL = cctx_max_idle;
1934 if (max_idle > 1)
1935 cctx_max_idle = max_idle;
1886 OUTPUT: 1936 OUTPUT:
1887 RETVAL 1937 RETVAL
1888 1938
1889int 1939int
1890cctx_count () 1940cctx_count ()
… …
1986 CODE: 2036 CODE:
1987 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; 2037 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1988 OUTPUT: 2038 OUTPUT:
1989 RETVAL 2039 RETVAL
1990 2040
1991IV 2041UV
1992rss (Coro::State coro) 2042rss (Coro::State coro)
1993 PROTOTYPE: $ 2043 PROTOTYPE: $
1994 ALIAS: 2044 ALIAS:
1995 usecount = 1 2045 usecount = 1
1996 CODE: 2046 CODE:
… …
2007 CODE: 2057 CODE:
2008 struct coro *coro = SvSTATE (coro_current); 2058 struct coro *coro = SvSTATE (coro_current);
2009 coro->cctx->idle_sp = 0; 2059 coro->cctx->idle_sp = 0;
2010 2060
2011void 2061void
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) 2062swap_defsv (Coro::State self)
2020 PROTOTYPE: $ 2063 PROTOTYPE: $
2021 ALIAS: 2064 ALIAS:
2022 swap_defav = 1 2065 swap_defav = 1
2023 CODE: 2066 CODE:
… …
2126 CODE: 2169 CODE:
2127 RETVAL = coro_nready; 2170 RETVAL = coro_nready;
2128 OUTPUT: 2171 OUTPUT:
2129 RETVAL 2172 RETVAL
2130 2173
2174void
2175throw (Coro::State self, SV *throw = &PL_sv_undef)
2176 PROTOTYPE: $;$
2177 CODE:
2178 SvREFCNT_dec (self->throw);
2179 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2180
2131# for async_pool speedup 2181# for async_pool speedup
2132void 2182void
2133_pool_1 (SV *cb) 2183_pool_1 (SV *cb)
2134 CODE: 2184 CODE:
2135{ 2185{
… …
2178 sv_setsv (cb, &PL_sv_undef); 2228 sv_setsv (cb, &PL_sv_undef);
2179 2229
2180 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2230 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2181 coro->saved_deffh = 0; 2231 coro->saved_deffh = 0;
2182 2232
2183 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2233 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2184 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2234 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2185 { 2235 {
2186 SV *old = PL_diehook; 2236 SV *old = PL_diehook;
2187 PL_diehook = 0; 2237 PL_diehook = 0;
2188 SvREFCNT_dec (old); 2238 SvREFCNT_dec (old);

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