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 1.249 by root, Tue Sep 30 17:12:35 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) \
81# ifndef IS_PADCONST 81# ifndef IS_PADCONST
82# define IS_PADCONST(v) 0 82# define IS_PADCONST(v) 0
83# endif 83# endif
84#endif 84#endif
85 85
86/* 5.11 */
87#ifndef CxHASARGS
88# define CxHASARGS(cx) (cx)->blk_sub.hasargs
89#endif
90
91/* 5.10.0 */
92#ifndef SvREFCNT_inc_NN
93# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
94#endif
95
86/* 5.8.8 */ 96/* 5.8.8 */
87#ifndef GV_NOTQUAL 97#ifndef GV_NOTQUAL
88# define GV_NOTQUAL 0 98# define GV_NOTQUAL 0
89#endif 99#endif
90#ifndef newSV 100#ifndef newSV
91# define newSV(l) NEWSV(0,l) 101# define newSV(l) NEWSV(0,l)
92#endif
93
94/* 5.11 */
95#ifndef CxHASARGS
96# define CxHASARGS(cx) (cx)->blk_sub.hasargs
97#endif 102#endif
98 103
99/* 5.8.7 */ 104/* 5.8.7 */
100#ifndef SvRV_set 105#ifndef SvRV_set
101# define SvRV_set(s,v) SvRV(s) = (v) 106# define SvRV_set(s,v) SvRV(s) = (v)
137#define NOINLINE attribute ((noinline)) 142#define NOINLINE attribute ((noinline))
138 143
139#include "CoroAPI.h" 144#include "CoroAPI.h"
140 145
141#ifdef USE_ITHREADS 146#ifdef USE_ITHREADS
147
142static perl_mutex coro_mutex; 148static perl_mutex coro_lock;
143# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) 149# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
144# 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
145#else 155#else
156
146# define LOCK (void)0 157# define LOCK (void)0
147# define UNLOCK (void)0 158# define UNLOCK (void)0
159
148#endif 160#endif
161
162# undef LOCK
163# define LOCK (void)0
164# undef UNLOCK
165# define UNLOCK (void)0
149 166
150/* helper storage struct for Coro::AIO */ 167/* helper storage struct for Coro::AIO */
151struct io_state 168struct io_state
152{ 169{
153 AV *res; 170 AV *res;
154 int errorno; 171 int errorno;
155 I32 laststype; 172 I32 laststype; /* U16 in 5.10.0 */
156 int laststatval; 173 int laststatval;
157 Stat_t statcache; 174 Stat_t statcache;
158}; 175};
159 176
160static double (*nvtime)(); /* so why doesn't it take void? */ 177static double (*nvtime)(); /* so why doesn't it take void? */
161 178
179static U32 cctx_gen;
162static size_t coro_stacksize = CORO_STACKSIZE; 180static size_t cctx_stacksize = CORO_STACKSIZE;
163static struct CoroAPI coroapi; 181static struct CoroAPI coroapi;
164static AV *main_mainstack; /* used to differentiate between $main and others */ 182static AV *main_mainstack; /* used to differentiate between $main and others */
165static JMPENV *main_top_env; 183static JMPENV *main_top_env;
166static HV *coro_state_stash, *coro_stash; 184static HV *coro_state_stash, *coro_stash;
167static volatile SV *coro_mortal; /* will be freed after next transfer */ 185static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
168 186
169static GV *irsgv; /* $/ */ 187static GV *irsgv; /* $/ */
170static GV *stdoutgv; /* *STDOUT */ 188static GV *stdoutgv; /* *STDOUT */
171static SV *rv_diehook; 189static SV *rv_diehook;
172static SV *rv_warnhook; 190static SV *rv_warnhook;
204 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 222 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
205 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 */
206 JMPENV *top_env; 224 JMPENV *top_env;
207 coro_context cctx; 225 coro_context cctx;
208 226
227 U32 gen;
209#if CORO_USE_VALGRIND 228#if CORO_USE_VALGRIND
210 int valgrind_id; 229 int valgrind_id;
211#endif 230#endif
212 unsigned char flags; 231 unsigned char flags;
213} coro_cctx; 232} coro_cctx;
273#define PRIO_MIN -4 292#define PRIO_MIN -4
274 293
275/* for Coro.pm */ 294/* for Coro.pm */
276static SV *coro_current; 295static SV *coro_current;
277static SV *coro_readyhook; 296static SV *coro_readyhook;
278static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 297static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
279static int coro_nready; 298static int coro_nready;
280static struct coro *coro_first; 299static struct coro *coro_first;
281 300
282/** lowlevel stuff **********************************************************/ 301/** lowlevel stuff **********************************************************/
283 302
378static MGVTBL coro_cv_vtbl = { 397static MGVTBL coro_cv_vtbl = {
379 0, 0, 0, 0, 398 0, 0, 0, 0,
380 coro_cv_free 399 coro_cv_free
381}; 400};
382 401
383#define CORO_MAGIC(sv,type) \ 402#define CORO_MAGIC(sv, type) \
384 SvMAGIC (sv) \ 403 SvMAGIC (sv) \
385 ? SvMAGIC (sv)->mg_type == type \ 404 ? SvMAGIC (sv)->mg_type == type \
386 ? SvMAGIC (sv) \ 405 ? SvMAGIC (sv) \
387 : mg_find (sv, type) \ 406 : mg_find (sv, type) \
388 : 0 407 : 0
389 408
390#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)
391#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)
392 411
393static struct coro * 412static struct coro *
623 642
624/* 643/*
625 * destroy the stacks, the callchain etc... 644 * destroy the stacks, the callchain etc...
626 */ 645 */
627static void 646static void
628coro_destroy_stacks (pTHX) 647coro_destruct_stacks (pTHX)
629{ 648{
630 while (PL_curstackinfo->si_next) 649 while (PL_curstackinfo->si_next)
631 PL_curstackinfo = PL_curstackinfo->si_next; 650 PL_curstackinfo = PL_curstackinfo->si_next;
632 651
633 while (PL_curstackinfo) 652 while (PL_curstackinfo)
838 */ 857 */
839 ENTER; 858 ENTER;
840} 859}
841 860
842static void 861static void
843coro_destroy (pTHX_ struct coro *coro) 862coro_destruct (pTHX_ struct coro *coro)
844{ 863{
845 if (!IN_DESTRUCT) 864 if (!IN_DESTRUCT)
846 { 865 {
847 /* restore all saved variables and stuff */ 866 /* restore all saved variables and stuff */
848 LEAVE_SCOPE (0); 867 LEAVE_SCOPE (0);
870 SvREFCNT_dec (PL_warnhook); 889 SvREFCNT_dec (PL_warnhook);
871 890
872 SvREFCNT_dec (coro->saved_deffh); 891 SvREFCNT_dec (coro->saved_deffh);
873 SvREFCNT_dec (coro->throw); 892 SvREFCNT_dec (coro->throw);
874 893
875 coro_destroy_stacks (aTHX); 894 coro_destruct_stacks (aTHX);
876} 895}
877 896
878static void 897static void
879free_coro_mortal (pTHX) 898free_coro_mortal (pTHX)
880{ 899{
1041 * this is a _very_ stripped down perl interpreter ;) 1060 * this is a _very_ stripped down perl interpreter ;)
1042 */ 1061 */
1043static void 1062static void
1044cctx_run (void *arg) 1063cctx_run (void *arg)
1045{ 1064{
1065#ifdef USE_ITHREADS
1066# if CORO_PTHREAD
1067 PERL_SET_CONTEXT (coro_thx);
1068# endif
1069#endif
1070 {
1046 dTHX; 1071 dTHX;
1047 1072
1048 /* cctx_run is the alternative tail of transfer(), so unlock here. */ 1073 /* cctx_run is the alternative tail of transfer(), so unlock here. */
1049 UNLOCK; 1074 UNLOCK;
1050 1075
1051 /* we now skip the entersub that lead to transfer() */ 1076 /* we now skip the entersub that lead to transfer() */
1052 PL_op = PL_op->op_next; 1077 PL_op = PL_op->op_next;
1053 1078
1054 /* inject a fake subroutine call to cctx_init */ 1079 /* inject a fake subroutine call to cctx_init */
1055 cctx_prepare (aTHX_ (coro_cctx *)arg); 1080 cctx_prepare (aTHX_ (coro_cctx *)arg);
1056 1081
1057 /* 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 */
1058 PL_restartop = PL_op; 1083 PL_restartop = PL_op;
1059 perl_run (PL_curinterp); 1084 perl_run (PL_curinterp);
1060 1085
1061 /* 1086 /*
1062 * 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
1063 * 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)
1064 * 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
1065 * bootstrap-time "top" top_env, as we cannot restore the "main" 1090 * bootstrap-time "top" top_env, as we cannot restore the "main"
1066 * coroutine as Coro has no such concept 1091 * coroutine as Coro has no such concept
1067 */ 1092 */
1068 PL_top_env = main_top_env; 1093 PL_top_env = main_top_env;
1069 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 }
1070} 1096}
1071 1097
1072static coro_cctx * 1098static coro_cctx *
1073cctx_new () 1099cctx_new ()
1074{ 1100{
1075 coro_cctx *cctx; 1101 coro_cctx *cctx;
1076 void *stack_start; 1102 void *stack_start;
1077 size_t stack_size; 1103 size_t stack_size;
1078 1104
1079 ++cctx_count; 1105 ++cctx_count;
1080
1081 Newz (0, cctx, 1, coro_cctx); 1106 Newz (0, cctx, 1, coro_cctx);
1082 1107
1108 cctx->gen = cctx_gen;
1109
1083#if HAVE_MMAP 1110#if HAVE_MMAP
1084 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;
1085 /* mmap supposedly does allocate-on-write for us */ 1112 /* mmap supposedly does allocate-on-write for us */
1086 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);
1087 1114
1088 if (cctx->sptr != (void *)-1) 1115 if (cctx->sptr != (void *)-1)
1089 { 1116 {
1095 cctx->flags |= CC_MAPPED; 1122 cctx->flags |= CC_MAPPED;
1096 } 1123 }
1097 else 1124 else
1098#endif 1125#endif
1099 { 1126 {
1100 cctx->ssize = coro_stacksize * (long)sizeof (long); 1127 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1101 New (0, cctx->sptr, coro_stacksize, long); 1128 New (0, cctx->sptr, cctx_stacksize, long);
1102 1129
1103 if (!cctx->sptr) 1130 if (!cctx->sptr)
1104 { 1131 {
1105 perror ("FATAL: unable to allocate stack for coroutine"); 1132 perror ("FATAL: unable to allocate stack for coroutine");
1106 _exit (EXIT_FAILURE); 1133 _exit (EXIT_FAILURE);
1121{ 1148{
1122 if (!cctx) 1149 if (!cctx)
1123 return; 1150 return;
1124 1151
1125 --cctx_count; 1152 --cctx_count;
1153 coro_destroy (&cctx->cctx);
1126 1154
1155 /* coro_transfer creates new, empty cctx's */
1156 if (cctx->sptr)
1157 {
1127#if CORO_USE_VALGRIND 1158#if CORO_USE_VALGRIND
1128 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 1159 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1129#endif 1160#endif
1130 1161
1131#if HAVE_MMAP 1162#if HAVE_MMAP
1132 if (cctx->flags & CC_MAPPED) 1163 if (cctx->flags & CC_MAPPED)
1133 munmap (cctx->sptr, cctx->ssize); 1164 munmap (cctx->sptr, cctx->ssize);
1134 else 1165 else
1135#endif 1166#endif
1136 Safefree (cctx->sptr); 1167 Safefree (cctx->sptr);
1168 }
1137 1169
1138 Safefree (cctx); 1170 Safefree (cctx);
1139} 1171}
1140 1172
1141/* wether this cctx should be destructed */ 1173/* wether this cctx should be destructed */
1142#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))
1143 1175
1144static coro_cctx * 1176static coro_cctx *
1145cctx_get (pTHX) 1177cctx_get (pTHX)
1146{ 1178{
1147 while (expect_true (cctx_first)) 1179 while (expect_true (cctx_first))
1160} 1192}
1161 1193
1162static void 1194static void
1163cctx_put (coro_cctx *cctx) 1195cctx_put (coro_cctx *cctx)
1164{ 1196{
1197 assert (("cctx_put called on non-initialised cctx", cctx->sptr));
1198
1165 /* free another cctx if overlimit */ 1199 /* free another cctx if overlimit */
1166 if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) 1200 if (expect_false (cctx_idle >= cctx_max_idle))
1167 { 1201 {
1168 coro_cctx *first = cctx_first; 1202 coro_cctx *first = cctx_first;
1169 cctx_first = first->next; 1203 cctx_first = first->next;
1170 --cctx_idle; 1204 --cctx_idle;
1171 1205
1203/* always use the TRANSFER macro */ 1237/* always use the TRANSFER macro */
1204static void NOINLINE 1238static void NOINLINE
1205transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1239transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1206{ 1240{
1207 dSTACKLEVEL; 1241 dSTACKLEVEL;
1208 static volatile int has_throw;
1209 1242
1210 /* sometimes transfer is only called to set idle_sp */ 1243 /* sometimes transfer is only called to set idle_sp */
1211 if (expect_false (!next)) 1244 if (expect_false (!next))
1212 { 1245 {
1213 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1246 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1214 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 */
1215 } 1248 }
1216 else if (expect_true (prev != next)) 1249 else if (expect_true (prev != next))
1217 { 1250 {
1251 static volatile int has_throw;
1218 coro_cctx *prev__cctx; 1252 coro_cctx *prev__cctx;
1219 1253
1220 if (expect_false (prev->flags & CF_NEW)) 1254 if (expect_false (prev->flags & CF_NEW))
1221 { 1255 {
1222 /* create a new empty context */ 1256 /* create a new empty/source context */
1257 ++cctx_count;
1223 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
1224 prev->flags &= ~CF_NEW; 1262 prev->flags &= ~CF_NEW;
1225 prev->flags |= CF_RUNNING; 1263 prev->flags |= CF_RUNNING;
1226 } 1264 }
1227 1265
1228 prev->flags &= ~CF_RUNNING; 1266 prev->flags &= ~CF_RUNNING;
1335 croak ("FATAL: tried to destroy currently running coroutine"); 1373 croak ("FATAL: tried to destroy currently running coroutine");
1336 1374
1337 save_perl (aTHX_ &temp); 1375 save_perl (aTHX_ &temp);
1338 load_perl (aTHX_ coro); 1376 load_perl (aTHX_ coro);
1339 1377
1340 coro_destroy (aTHX_ coro); 1378 coro_destruct (aTHX_ coro);
1341 1379
1342 load_perl (aTHX_ &temp); 1380 load_perl (aTHX_ &temp);
1343 1381
1344 coro->slot = 0; 1382 coro->slot = 0;
1345 } 1383 }
1633 else 1671 else
1634 coro->slot->runops = RUNOPS_DEFAULT; 1672 coro->slot->runops = RUNOPS_DEFAULT;
1635 } 1673 }
1636} 1674}
1637 1675
1676#if 0
1638static int 1677static int
1639coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) 1678coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1640{ 1679{
1641 AV *padlist; 1680 AV *padlist;
1642 AV *av = (AV *)mg->mg_obj; 1681 AV *av = (AV *)mg->mg_obj;
1648 1687
1649static MGVTBL coro_gensub_vtbl = { 1688static MGVTBL coro_gensub_vtbl = {
1650 0, 0, 0, 0, 1689 0, 0, 0, 0,
1651 coro_gensub_free 1690 coro_gensub_free
1652}; 1691};
1692#endif
1653 1693
1654/*****************************************************************************/ 1694/*****************************************************************************/
1655/* PerlIO::cede */ 1695/* PerlIO::cede */
1656 1696
1657typedef struct 1697typedef struct
1732PROTOTYPES: DISABLE 1772PROTOTYPES: DISABLE
1733 1773
1734BOOT: 1774BOOT:
1735{ 1775{
1736#ifdef USE_ITHREADS 1776#ifdef USE_ITHREADS
1737 MUTEX_INIT (&coro_mutex); 1777 MUTEX_INIT (&coro_lock);
1778# if CORO_PTHREAD
1779 coro_thx = PERL_GET_CONTEXT;
1780# endif
1738#endif 1781#endif
1739 BOOT_PAGESIZE; 1782 BOOT_PAGESIZE;
1740 1783
1741 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1784 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1742 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1785 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1829 ta.next = 0; 1872 ta.next = 0;
1830 break; 1873 break;
1831 1874
1832 case 1: 1875 case 1:
1833 if (items != 2) 1876 if (items != 2)
1834 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);
1835 1878
1836 prepare_transfer (aTHX_ &ta, ST (0), ST (1)); 1879 prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1837 break; 1880 break;
1838 1881
1839 case 2: 1882 case 2:
1873 _exit (code); 1916 _exit (code);
1874 1917
1875int 1918int
1876cctx_stacksize (int new_stacksize = 0) 1919cctx_stacksize (int new_stacksize = 0)
1877 CODE: 1920 CODE:
1878 RETVAL = coro_stacksize; 1921 RETVAL = cctx_stacksize;
1879 if (new_stacksize) 1922 if (new_stacksize)
1923 {
1880 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;
1881 OUTPUT: 1936 OUTPUT:
1882 RETVAL 1937 RETVAL
1883 1938
1884int 1939int
1885cctx_count () 1940cctx_count ()
1981 CODE: 2036 CODE:
1982 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; 2037 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1983 OUTPUT: 2038 OUTPUT:
1984 RETVAL 2039 RETVAL
1985 2040
1986IV 2041UV
1987rss (Coro::State coro) 2042rss (Coro::State coro)
1988 PROTOTYPE: $ 2043 PROTOTYPE: $
1989 ALIAS: 2044 ALIAS:
1990 usecount = 1 2045 usecount = 1
1991 CODE: 2046 CODE:
2002 CODE: 2057 CODE:
2003 struct coro *coro = SvSTATE (coro_current); 2058 struct coro *coro = SvSTATE (coro_current);
2004 coro->cctx->idle_sp = 0; 2059 coro->cctx->idle_sp = 0;
2005 2060
2006void 2061void
2007throw (Coro::State self, SV *throw = &PL_sv_undef)
2008 PROTOTYPE: $;$
2009 CODE:
2010 SvREFCNT_dec (self->throw);
2011 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2012
2013void
2014swap_defsv (Coro::State self) 2062swap_defsv (Coro::State self)
2015 PROTOTYPE: $ 2063 PROTOTYPE: $
2016 ALIAS: 2064 ALIAS:
2017 swap_defav = 1 2065 swap_defav = 1
2018 CODE: 2066 CODE:
2121 CODE: 2169 CODE:
2122 RETVAL = coro_nready; 2170 RETVAL = coro_nready;
2123 OUTPUT: 2171 OUTPUT:
2124 RETVAL 2172 RETVAL
2125 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
2126# for async_pool speedup 2181# for async_pool speedup
2127void 2182void
2128_pool_1 (SV *cb) 2183_pool_1 (SV *cb)
2129 CODE: 2184 CODE:
2130{ 2185{
2173 sv_setsv (cb, &PL_sv_undef); 2228 sv_setsv (cb, &PL_sv_undef);
2174 2229
2175 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2230 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2176 coro->saved_deffh = 0; 2231 coro->saved_deffh = 0;
2177 2232
2178 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2233 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2179 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2234 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2180 { 2235 {
2181 SV *old = PL_diehook; 2236 SV *old = PL_diehook;
2182 PL_diehook = 0; 2237 PL_diehook = 0;
2183 SvREFCNT_dec (old); 2238 SvREFCNT_dec (old);

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines