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Comparing Coro/Coro/State.xs (file contents):
Revision 1.215 by root, Sun Oct 14 19:34:09 2007 UTC vs.
Revision 1.239 by root, Sat Jun 28 23:14:19 2008 UTC

10#include "patchlevel.h" 10#include "patchlevel.h"
11 11
12#include <stdio.h> 12#include <stdio.h>
13#include <errno.h> 13#include <errno.h>
14#include <assert.h> 14#include <assert.h>
15
16#ifdef WIN32
17# undef setjmp
18# undef longjmp
19# undef _exit
20# define setjmp _setjmp // deep magic, don't ask
21#else
15#include <inttypes.h> /* portable stdint.h */ 22# include <inttypes.h> /* most portable stdint.h */
23#endif
16 24
17#ifdef HAVE_MMAP 25#ifdef HAVE_MMAP
18# include <unistd.h> 26# include <unistd.h>
19# include <sys/mman.h> 27# include <sys/mman.h>
20# ifndef MAP_ANONYMOUS 28# ifndef MAP_ANONYMOUS
72# ifndef IS_PADCONST 80# ifndef IS_PADCONST
73# define IS_PADCONST(v) 0 81# define IS_PADCONST(v) 0
74# endif 82# endif
75#endif 83#endif
76 84
85/* 5.8.8 */
86#ifndef GV_NOTQUAL
87# define GV_NOTQUAL 0
88#endif
89#ifndef newSV
90# define newSV(l) NEWSV(0,l)
91#endif
92
93/* 5.11 */
94#ifndef CxHASARGS
95# define CxHASARGS(cx) (cx)->blk_sub.hasargs
96#endif
97
77/* 5.8.7 */ 98/* 5.8.7 */
78#ifndef SvRV_set 99#ifndef SvRV_set
79# define SvRV_set(s,v) SvRV(s) = (v) 100# define SvRV_set(s,v) SvRV(s) = (v)
80#endif
81
82/* 5.8.8 */
83#ifndef GV_NOTQUAL
84# define GV_NOTQUAL 0
85#endif
86#ifndef newSV
87# define newSV(l) NEWSV(0,l)
88#endif 101#endif
89 102
90#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 103#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91# undef CORO_STACKGUARD 104# undef CORO_STACKGUARD
92#endif 105#endif
145static size_t coro_stacksize = CORO_STACKSIZE; 158static size_t coro_stacksize = CORO_STACKSIZE;
146static struct CoroAPI coroapi; 159static struct CoroAPI coroapi;
147static AV *main_mainstack; /* used to differentiate between $main and others */ 160static AV *main_mainstack; /* used to differentiate between $main and others */
148static JMPENV *main_top_env; 161static JMPENV *main_top_env;
149static HV *coro_state_stash, *coro_stash; 162static HV *coro_state_stash, *coro_stash;
150static SV *coro_mortal; /* will be freed after next transfer */ 163static volatile SV *coro_mortal; /* will be freed after next transfer */
151 164
152static GV *irsgv; /* $/ */ 165static GV *irsgv; /* $/ */
153static GV *stdoutgv; /* *STDOUT */ 166static GV *stdoutgv; /* *STDOUT */
154static SV *rv_diehook; 167static SV *rv_diehook;
155static SV *rv_warnhook; 168static SV *rv_warnhook;
157 170
158/* async_pool helper stuff */ 171/* async_pool helper stuff */
159static SV *sv_pool_rss; 172static SV *sv_pool_rss;
160static SV *sv_pool_size; 173static SV *sv_pool_size;
161static AV *av_async_pool; 174static AV *av_async_pool;
175
176/* Coro::AnyEvent */
177static SV *sv_activity;
162 178
163static struct coro_cctx *cctx_first; 179static struct coro_cctx *cctx_first;
164static int cctx_count, cctx_idle; 180static int cctx_count, cctx_idle;
165 181
166enum { 182enum {
252#define PRIO_IDLE -3 268#define PRIO_IDLE -3
253#define PRIO_MIN -4 269#define PRIO_MIN -4
254 270
255/* for Coro.pm */ 271/* for Coro.pm */
256static SV *coro_current; 272static SV *coro_current;
273static SV *coro_readyhook;
257static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 274static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
258static int coro_nready; 275static int coro_nready;
259static struct coro *coro_first; 276static struct coro *coro_first;
260 277
261/** lowlevel stuff **********************************************************/ 278/** lowlevel stuff **********************************************************/
262 279
263static SV * 280static SV *
264coro_get_sv (pTHX_ const char *name, int create) 281coro_get_sv (pTHX_ const char *name, int create)
265{ 282{
266#if PERL_VERSION_ATLEAST (5,9,0) 283#if PERL_VERSION_ATLEAST (5,10,0)
267 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 284 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
268 get_sv (name, create); 285 get_sv (name, create);
269#endif 286#endif
270 return get_sv (name, create); 287 return get_sv (name, create);
271} 288}
272 289
273static AV * 290static AV *
274coro_get_av (pTHX_ const char *name, int create) 291coro_get_av (pTHX_ const char *name, int create)
275{ 292{
276#if PERL_VERSION_ATLEAST (5,9,0) 293#if PERL_VERSION_ATLEAST (5,10,0)
277 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 294 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
278 get_av (name, create); 295 get_av (name, create);
279#endif 296#endif
280 return get_av (name, create); 297 return get_av (name, create);
281} 298}
282 299
283static HV * 300static HV *
284coro_get_hv (pTHX_ const char *name, int create) 301coro_get_hv (pTHX_ const char *name, int create)
285{ 302{
286#if PERL_VERSION_ATLEAST (5,9,0) 303#if PERL_VERSION_ATLEAST (5,10,0)
287 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 304 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
288 get_hv (name, create); 305 get_hv (name, create);
289#endif 306#endif
290 return get_hv (name, create); 307 return get_hv (name, create);
291} 308}
296 AV *padlist = CvPADLIST (cv); 313 AV *padlist = CvPADLIST (cv);
297 AV *newpadlist, *newpad; 314 AV *newpadlist, *newpad;
298 315
299 newpadlist = newAV (); 316 newpadlist = newAV ();
300 AvREAL_off (newpadlist); 317 AvREAL_off (newpadlist);
301#if PERL_VERSION_ATLEAST (5,9,0) 318#if PERL_VERSION_ATLEAST (5,10,0)
302 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 319 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
303#else 320#else
304 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 321 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
305#endif 322#endif
306 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 323 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
497 514
498 if (expect_true (CvDEPTH (cv))) 515 if (expect_true (CvDEPTH (cv)))
499 { 516 {
500 EXTEND (SP, 3); 517 EXTEND (SP, 3);
501 PUSHs ((SV *)CvPADLIST (cv)); 518 PUSHs ((SV *)CvPADLIST (cv));
502 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 519 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
503 PUSHs ((SV *)cv); 520 PUSHs ((SV *)cv);
504 521
505 CvDEPTH (cv) = 0; 522 CvDEPTH (cv) = 0;
506 get_padlist (aTHX_ cv); 523 get_padlist (aTHX_ cv);
507 } 524 }
587 604
588 New(54,PL_savestack,24,ANY); 605 New(54,PL_savestack,24,ANY);
589 PL_savestack_ix = 0; 606 PL_savestack_ix = 0;
590 PL_savestack_max = 24; 607 PL_savestack_max = 24;
591 608
592#if !PERL_VERSION_ATLEAST (5,9,0) 609#if !PERL_VERSION_ATLEAST (5,10,0)
593 New(54,PL_retstack,4,OP*); 610 New(54,PL_retstack,4,OP*);
594 PL_retstack_ix = 0; 611 PL_retstack_ix = 0;
595 PL_retstack_max = 4; 612 PL_retstack_max = 4;
596#endif 613#endif
597} 614}
620 637
621 Safefree (PL_tmps_stack); 638 Safefree (PL_tmps_stack);
622 Safefree (PL_markstack); 639 Safefree (PL_markstack);
623 Safefree (PL_scopestack); 640 Safefree (PL_scopestack);
624 Safefree (PL_savestack); 641 Safefree (PL_savestack);
625#if !PERL_VERSION_ATLEAST (5,9,0) 642#if !PERL_VERSION_ATLEAST (5,10,0)
626 Safefree (PL_retstack); 643 Safefree (PL_retstack);
627#endif 644#endif
628} 645}
629 646
630static size_t 647static size_t
654 rss += slot->tmps_max * sizeof (SV *); 671 rss += slot->tmps_max * sizeof (SV *);
655 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 672 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
656 rss += slot->scopestack_max * sizeof (I32); 673 rss += slot->scopestack_max * sizeof (I32);
657 rss += slot->savestack_max * sizeof (ANY); 674 rss += slot->savestack_max * sizeof (ANY);
658 675
659#if !PERL_VERSION_ATLEAST (5,9,0) 676#if !PERL_VERSION_ATLEAST (5,10,0)
660 rss += slot->retstack_max * sizeof (OP *); 677 rss += slot->retstack_max * sizeof (OP *);
661#endif 678#endif
662 } 679 }
663 680
664 return rss; 681 return rss;
665} 682}
666 683
667/** coroutine stack handling ************************************************/ 684/** coroutine stack handling ************************************************/
668 685
669#if 0
670static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); 686static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg);
687static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg);
688static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg);
689
690/* apparently < 5.8.8 */
691#undef MgPV_nolen_const
692#ifndef MgPV_nolen_const
693#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
694 SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \
695 (const char*)(mg)->mg_ptr)
696#endif
671 697
672/* 698/*
673 * This overrides the default magic get method of %SIG elements. 699 * This overrides the default magic get method of %SIG elements.
674 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 700 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
675 * and instead of tryign to save and restore the hash elements, we just provide 701 * and instead of tryign to save and restore the hash elements, we just provide
679 * when a schedule happens then, but we ignore this. 705 * when a schedule happens then, but we ignore this.
680 */ 706 */
681static int 707static int
682coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 708coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
683{ 709{
684 return orig_sigelem_get (aTHX_ sv, mg);
685 const char *s = MgPV_nolen_const (mg); 710 const char *s = MgPV_nolen_const (mg);
686 711
687 if (*s == '_') 712 if (*s == '_')
688 { 713 {
689 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; 714 SV **svp = 0;
690 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; 715
716 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
717 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
718
719 if (svp)
720 {
721 sv_setsv (sv, *svp ? *svp : &PL_sv_undef);
722 return 0;
723 }
724 }
725
726 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
727}
728
729static int
730coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
731{
732 const char *s = MgPV_nolen_const (mg);
733
734 if (*s == '_')
691 } 735 {
736 SV **svp = 0;
692 737
738 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
739 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
740
741 if (svp)
742 {
743 SV *old = *svp;
744 *svp = 0;
745 SvREFCNT_dec (old);
746 return 0;
747 }
748 }
749
750 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
751}
752
753static int
754coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
755{
756 const char *s = MgPV_nolen_const (mg);
757
758 if (*s == '_')
759 {
760 SV **svp = 0;
761
762 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
763 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
764
765 if (svp)
766 {
767 SV *old = *svp;
768 *svp = newSVsv (sv);
769 SvREFCNT_dec (old);
770 return 0;
771 }
772 }
773
693 return orig_sigelem_get (aTHX_ sv, mg); 774 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
694} 775}
695#endif
696 776
697static void 777static void
698coro_setup (pTHX_ struct coro *coro) 778coro_setup (pTHX_ struct coro *coro)
699{ 779{
700 /* 780 /*
709 PL_curpm = 0; 789 PL_curpm = 0;
710 PL_curpad = 0; 790 PL_curpad = 0;
711 PL_localizing = 0; 791 PL_localizing = 0;
712 PL_dirty = 0; 792 PL_dirty = 0;
713 PL_restartop = 0; 793 PL_restartop = 0;
794#if PERL_VERSION_ATLEAST (5,10,0)
795 PL_parser = 0;
796#endif
714 797
715 /* recreate the die/warn hooks */ 798 /* recreate the die/warn hooks */
716 PL_diehook = 0; 799 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
717 hv_store (hv_sig, "__DIE__", sizeof ("__DIE__") - 1, newSV (0), 0); 800 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
718 PL_diehook = SvREFCNT_inc (rv_diehook);
719
720 PL_warnhook = 0;
721 hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, newSV (0), 0);
722 PL_warnhook = SvREFCNT_inc (rv_warnhook);
723 801
724 GvSV (PL_defgv) = newSV (0); 802 GvSV (PL_defgv) = newSV (0);
725 GvAV (PL_defgv) = coro->args; coro->args = 0; 803 GvAV (PL_defgv) = coro->args; coro->args = 0;
726 GvSV (PL_errgv) = newSV (0); 804 GvSV (PL_errgv) = newSV (0);
727 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 805 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
878 SAVETMPS; 956 SAVETMPS;
879 EXTEND (SP, 3); 957 EXTEND (SP, 3);
880 PUSHMARK (SP); 958 PUSHMARK (SP);
881 PUSHs (&PL_sv_yes); 959 PUSHs (&PL_sv_yes);
882 PUSHs (fullname); 960 PUSHs (fullname);
883 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 961 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884 PUTBACK; 962 PUTBACK;
885 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 963 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
886 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 964 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
887 SPAGAIN; 965 SPAGAIN;
888 FREETMPS; 966 FREETMPS;
1104 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1182 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1105 1183
1106 if (expect_false (next->flags & CF_DESTROYED)) 1184 if (expect_false (next->flags & CF_DESTROYED))
1107 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1185 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108 1186
1109 if (
1110#if PERL_VERSION_ATLEAST (5,9,0) 1187#if !PERL_VERSION_ATLEAST (5,10,0)
1111 expect_false (PL_parser)
1112#else
1113 expect_false (PL_lex_state != LEX_NOTPARSING) 1188 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114#endif
1115 )
1116 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1189 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1190#endif
1117 } 1191 }
1118} 1192}
1119 1193
1120/* always use the TRANSFER macro */ 1194/* always use the TRANSFER macro */
1121static void NOINLINE 1195static void NOINLINE
1122transfer (pTHX_ struct coro *prev, struct coro *next) 1196transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1123{ 1197{
1124 dSTACKLEVEL; 1198 dSTACKLEVEL;
1199 static volatile int has_throw;
1125 1200
1126 /* sometimes transfer is only called to set idle_sp */ 1201 /* sometimes transfer is only called to set idle_sp */
1127 if (expect_false (!next)) 1202 if (expect_false (!next))
1128 { 1203 {
1129 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1204 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1160 load_perl (aTHX_ next); 1235 load_perl (aTHX_ next);
1161 1236
1162 prev__cctx = prev->cctx; 1237 prev__cctx = prev->cctx;
1163 1238
1164 /* possibly "free" the cctx */ 1239 /* possibly "free" the cctx */
1165 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1240 if (expect_true (
1241 prev__cctx->idle_sp == STACKLEVEL
1242 && !(prev__cctx->flags & CC_TRACE)
1243 && !force_cctx
1244 ))
1166 { 1245 {
1167 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1246 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1168 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1247 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1169 1248
1170 prev->cctx = 0; 1249 prev->cctx = 0;
1180 1259
1181 ++next->usecount; 1260 ++next->usecount;
1182 1261
1183 if (expect_true (!next->cctx)) 1262 if (expect_true (!next->cctx))
1184 next->cctx = cctx_get (aTHX); 1263 next->cctx = cctx_get (aTHX);
1264
1265 has_throw = !!next->throw;
1185 1266
1186 if (expect_false (prev__cctx != next->cctx)) 1267 if (expect_false (prev__cctx != next->cctx))
1187 { 1268 {
1188 prev__cctx->top_env = PL_top_env; 1269 prev__cctx->top_env = PL_top_env;
1189 PL_top_env = next->cctx->top_env; 1270 PL_top_env = next->cctx->top_env;
1191 } 1272 }
1192 1273
1193 free_coro_mortal (aTHX); 1274 free_coro_mortal (aTHX);
1194 UNLOCK; 1275 UNLOCK;
1195 1276
1196 if (expect_false (prev->throw || next->throw)) 1277 if (expect_false (has_throw))
1197 { 1278 {
1198 struct coro *coro = SvSTATE (coro_current); 1279 struct coro *coro = SvSTATE (coro_current);
1199 1280
1200 if (coro->throw) 1281 if (coro->throw)
1201 { 1282 {
1211struct transfer_args 1292struct transfer_args
1212{ 1293{
1213 struct coro *prev, *next; 1294 struct coro *prev, *next;
1214}; 1295};
1215 1296
1216#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1297#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1217#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1298#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1218 1299
1219/** high level stuff ********************************************************/ 1300/** high level stuff ********************************************************/
1220 1301
1221static int 1302static int
1315{ 1396{
1316 dTHX; 1397 dTHX;
1317 struct transfer_args ta; 1398 struct transfer_args ta;
1318 1399
1319 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1400 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1320 TRANSFER (ta); 1401 TRANSFER (ta, 1);
1321} 1402}
1322 1403
1323/** Coro ********************************************************************/ 1404/** Coro ********************************************************************/
1324 1405
1325static void 1406static void
1327{ 1408{
1328 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1409 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1329} 1410}
1330 1411
1331static SV * 1412static SV *
1332coro_deq (pTHX_ int min_prio) 1413coro_deq (pTHX)
1333{ 1414{
1334 int prio = PRIO_MAX - PRIO_MIN; 1415 int prio;
1335 1416
1336 min_prio -= PRIO_MIN;
1337 if (min_prio < 0)
1338 min_prio = 0;
1339
1340 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1417 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1341 if (AvFILLp (coro_ready [prio]) >= 0) 1418 if (AvFILLp (coro_ready [prio]) >= 0)
1342 return av_shift (coro_ready [prio]); 1419 return av_shift (coro_ready [prio]);
1343 1420
1344 return 0; 1421 return 0;
1345} 1422}
1347static int 1424static int
1348api_ready (SV *coro_sv) 1425api_ready (SV *coro_sv)
1349{ 1426{
1350 dTHX; 1427 dTHX;
1351 struct coro *coro; 1428 struct coro *coro;
1429 SV *sv_hook;
1430 void (*xs_hook)(void);
1352 1431
1353 if (SvROK (coro_sv)) 1432 if (SvROK (coro_sv))
1354 coro_sv = SvRV (coro_sv); 1433 coro_sv = SvRV (coro_sv);
1355 1434
1356 coro = SvSTATE (coro_sv); 1435 coro = SvSTATE (coro_sv);
1359 return 0; 1438 return 0;
1360 1439
1361 coro->flags |= CF_READY; 1440 coro->flags |= CF_READY;
1362 1441
1363 LOCK; 1442 LOCK;
1443
1444 sv_hook = coro_nready ? 0 : coro_readyhook;
1445 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1446
1364 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1447 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1365 ++coro_nready; 1448 ++coro_nready;
1449
1366 UNLOCK; 1450 UNLOCK;
1451
1452 if (sv_hook)
1453 {
1454 dSP;
1455
1456 ENTER;
1457 SAVETMPS;
1458
1459 PUSHMARK (SP);
1460 PUTBACK;
1461 call_sv (sv_hook, G_DISCARD);
1462 SPAGAIN;
1463
1464 FREETMPS;
1465 LEAVE;
1466 }
1467
1468 if (xs_hook)
1469 xs_hook ();
1367 1470
1368 return 1; 1471 return 1;
1369} 1472}
1370 1473
1371static int 1474static int
1381 SV *prev_sv, *next_sv; 1484 SV *prev_sv, *next_sv;
1382 1485
1383 for (;;) 1486 for (;;)
1384 { 1487 {
1385 LOCK; 1488 LOCK;
1386 next_sv = coro_deq (aTHX_ PRIO_MIN); 1489 next_sv = coro_deq (aTHX);
1387 1490
1388 /* nothing to schedule: call the idle handler */ 1491 /* nothing to schedule: call the idle handler */
1389 if (expect_false (!next_sv)) 1492 if (expect_false (!next_sv))
1390 { 1493 {
1391 dSP; 1494 dSP;
1395 SAVETMPS; 1498 SAVETMPS;
1396 1499
1397 PUSHMARK (SP); 1500 PUSHMARK (SP);
1398 PUTBACK; 1501 PUTBACK;
1399 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1502 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1503 SPAGAIN;
1400 1504
1401 FREETMPS; 1505 FREETMPS;
1402 LEAVE; 1506 LEAVE;
1403 continue; 1507 continue;
1404 } 1508 }
1459{ 1563{
1460 dTHX; 1564 dTHX;
1461 struct transfer_args ta; 1565 struct transfer_args ta;
1462 1566
1463 prepare_schedule (aTHX_ &ta); 1567 prepare_schedule (aTHX_ &ta);
1464 TRANSFER (ta); 1568 TRANSFER (ta, 1);
1465} 1569}
1466 1570
1467static int 1571static int
1468api_cede (void) 1572api_cede (void)
1469{ 1573{
1472 1576
1473 prepare_cede (aTHX_ &ta); 1577 prepare_cede (aTHX_ &ta);
1474 1578
1475 if (expect_true (ta.prev != ta.next)) 1579 if (expect_true (ta.prev != ta.next))
1476 { 1580 {
1477 TRANSFER (ta); 1581 TRANSFER (ta, 1);
1478 return 1; 1582 return 1;
1479 } 1583 }
1480 else 1584 else
1481 return 0; 1585 return 0;
1482} 1586}
1487 dTHX; 1591 dTHX;
1488 struct transfer_args ta; 1592 struct transfer_args ta;
1489 1593
1490 if (prepare_cede_notself (aTHX_ &ta)) 1594 if (prepare_cede_notself (aTHX_ &ta))
1491 { 1595 {
1492 TRANSFER (ta); 1596 TRANSFER (ta, 1);
1493 return 1; 1597 return 1;
1494 } 1598 }
1495 else 1599 else
1496 return 0; 1600 return 0;
1497} 1601}
1533#endif 1637#endif
1534 BOOT_PAGESIZE; 1638 BOOT_PAGESIZE;
1535 1639
1536 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1640 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1537 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1641 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1538#if 0 1642
1539 orig_sigelem_get = PL_vtbl_sigelem.svt_get; 1643 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1540 PL_vtbl_sigelem.svt_get = coro_sigelem_get; 1644 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1541#endif 1645 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1646
1542 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); 1647 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1543 rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); 1648 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1544 rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); 1649 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1545 1650
1546 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1651 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1547 1652
1548 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1653 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1549 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1654 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1554 main_top_env = PL_top_env; 1659 main_top_env = PL_top_env;
1555 1660
1556 while (main_top_env->je_prev) 1661 while (main_top_env->je_prev)
1557 main_top_env = main_top_env->je_prev; 1662 main_top_env = main_top_env->je_prev;
1558 1663
1559 coroapi.ver = CORO_API_VERSION; 1664 coroapi.ver = CORO_API_VERSION;
1560 coroapi.rev = CORO_API_REVISION; 1665 coroapi.rev = CORO_API_REVISION;
1561 coroapi.transfer = api_transfer; 1666 coroapi.transfer = api_transfer;
1562 1667
1563 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1668 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1564} 1669}
1565 1670
1566SV * 1671SV *
1604 Coro::cede_notself = 4 1709 Coro::cede_notself = 4
1605 CODE: 1710 CODE:
1606{ 1711{
1607 struct transfer_args ta; 1712 struct transfer_args ta;
1608 1713
1714 PUTBACK;
1609 switch (ix) 1715 switch (ix)
1610 { 1716 {
1611 case 0: 1717 case 0:
1612 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1718 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1613 ta.next = 0; 1719 ta.next = 0;
1632 if (!prepare_cede_notself (aTHX_ &ta)) 1738 if (!prepare_cede_notself (aTHX_ &ta))
1633 XSRETURN_EMPTY; 1739 XSRETURN_EMPTY;
1634 1740
1635 break; 1741 break;
1636 } 1742 }
1743 SPAGAIN;
1637 1744
1638 BARRIER; 1745 BARRIER;
1639 PUTBACK; 1746 PUTBACK;
1640 TRANSFER (ta); 1747 TRANSFER (ta, 0);
1641 SPAGAIN; /* might be the sp of a different coroutine now */ 1748 SPAGAIN; /* might be the sp of a different coroutine now */
1642 /* be extra careful not to ever do anything after TRANSFER */ 1749 /* be extra careful not to ever do anything after TRANSFER */
1643} 1750}
1644 1751
1645bool 1752bool
1648 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1755 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1649 OUTPUT: 1756 OUTPUT:
1650 RETVAL 1757 RETVAL
1651 1758
1652void 1759void
1653_exit (code) 1760_exit (int code)
1654 int code
1655 PROTOTYPE: $ 1761 PROTOTYPE: $
1656 CODE: 1762 CODE:
1657 _exit (code); 1763 _exit (code);
1658 1764
1659int 1765int
1699 { 1805 {
1700 struct coro temp; 1806 struct coro temp;
1701 1807
1702 if (!(coro->flags & CF_RUNNING)) 1808 if (!(coro->flags & CF_RUNNING))
1703 { 1809 {
1810 PUTBACK;
1704 save_perl (aTHX_ &temp); 1811 save_perl (aTHX_ &temp);
1705 load_perl (aTHX_ coro); 1812 load_perl (aTHX_ coro);
1706 } 1813 }
1707 1814
1708 { 1815 {
1727 1834
1728 if (!(coro->flags & CF_RUNNING)) 1835 if (!(coro->flags & CF_RUNNING))
1729 { 1836 {
1730 save_perl (aTHX_ coro); 1837 save_perl (aTHX_ coro);
1731 load_perl (aTHX_ &temp); 1838 load_perl (aTHX_ &temp);
1839 SPAGAIN;
1732 } 1840 }
1733 } 1841 }
1734} 1842}
1735 1843
1736SV * 1844SV *
1748 1856
1749void 1857void
1750api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1858api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1751 1859
1752SV * 1860SV *
1753has_stack (Coro::State coro) 1861has_cctx (Coro::State coro)
1754 PROTOTYPE: $ 1862 PROTOTYPE: $
1755 CODE: 1863 CODE:
1756 RETVAL = boolSV (!!coro->cctx); 1864 RETVAL = boolSV (!!coro->cctx);
1757 OUTPUT: 1865 OUTPUT:
1758 RETVAL 1866 RETVAL
1777 case 1: RETVAL = coro->usecount; break; 1885 case 1: RETVAL = coro->usecount; break;
1778 } 1886 }
1779 OUTPUT: 1887 OUTPUT:
1780 RETVAL 1888 RETVAL
1781 1889
1890void
1891force_cctx ()
1892 CODE:
1893 struct coro *coro = SvSTATE (coro_current);
1894 coro->cctx->idle_sp = 0;
1782 1895
1783MODULE = Coro::State PACKAGE = Coro 1896MODULE = Coro::State PACKAGE = Coro
1784 1897
1785BOOT: 1898BOOT:
1786{ 1899{
1787 int i; 1900 int i;
1788 1901
1902 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1789 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 1903 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1790 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 1904 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1791 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1792 1905
1793 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); 1906 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1794 SvREADONLY_on (coro_current); 1907 SvREADONLY_on (coro_current);
1795 1908
1796 coro_stash = gv_stashpv ("Coro", TRUE); 1909 coro_stash = gv_stashpv ("Coro", TRUE);
1828 PROTOTYPE: $ 1941 PROTOTYPE: $
1829 CODE: 1942 CODE:
1830 SvREFCNT_dec (SvRV (coro_current)); 1943 SvREFCNT_dec (SvRV (coro_current));
1831 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1944 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1832 1945
1946void
1947_set_readyhook (SV *hook)
1948 PROTOTYPE: $
1949 CODE:
1950 LOCK;
1951 SvREFCNT_dec (coro_readyhook);
1952 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1953 UNLOCK;
1954
1833int 1955int
1834prio (Coro::State coro, int newprio = 0) 1956prio (Coro::State coro, int newprio = 0)
1835 ALIAS: 1957 ALIAS:
1836 nice = 1 1958 nice = 1
1837 CODE: 1959 CODE:
1873 PROTOTYPE: $;$ 1995 PROTOTYPE: $;$
1874 CODE: 1996 CODE:
1875 SvREFCNT_dec (self->throw); 1997 SvREFCNT_dec (self->throw);
1876 self->throw = SvOK (throw) ? newSVsv (throw) : 0; 1998 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1877 1999
2000void
2001swap_defsv (Coro::State self)
2002 PROTOTYPE: $
2003 ALIAS:
2004 swap_defav = 1
2005 CODE:
2006 if (!self->slot)
2007 croak ("cannot swap state with coroutine that has no saved state");
2008 else
2009 {
2010 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
2011 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2012
2013 SV *tmp = *src; *src = *dst; *dst = tmp;
2014 }
2015
1878# for async_pool speedup 2016# for async_pool speedup
1879void 2017void
1880_pool_1 (SV *cb) 2018_pool_1 (SV *cb)
1881 CODE: 2019 CODE:
1882{ 2020{
1886 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 2024 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1887 AV *invoke_av; 2025 AV *invoke_av;
1888 int i, len; 2026 int i, len;
1889 2027
1890 if (!invoke) 2028 if (!invoke)
2029 {
2030 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1891 croak ("\3async_pool terminate\2\n"); 2031 croak ("\3async_pool terminate\2\n");
2032 }
1892 2033
1893 SvREFCNT_dec (coro->saved_deffh); 2034 SvREFCNT_dec (coro->saved_deffh);
1894 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2035 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1895 2036
1896 hv_store (hv, "desc", sizeof ("desc") - 1, 2037 hv_store (hv, "desc", sizeof ("desc") - 1,
1922 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2063 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1923 coro->saved_deffh = 0; 2064 coro->saved_deffh = 0;
1924 2065
1925 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2066 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1926 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2067 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2068 {
2069 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1927 croak ("\3async_pool terminate\2\n"); 2070 croak ("\3async_pool terminate\2\n");
2071 }
1928 2072
1929 av_clear (GvAV (PL_defgv)); 2073 av_clear (GvAV (PL_defgv));
1930 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 2074 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1931 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 2075 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1932 2076
1971 PL_laststype = data->laststype; 2115 PL_laststype = data->laststype;
1972 PL_laststatval = data->laststatval; 2116 PL_laststatval = data->laststatval;
1973 PL_statcache = data->statcache; 2117 PL_statcache = data->statcache;
1974} 2118}
1975 2119
2120
2121MODULE = Coro::State PACKAGE = Coro::AnyEvent
2122
2123BOOT:
2124 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2125
2126SV *
2127_schedule (...)
2128 PROTOTYPE: @
2129 CODE:
2130{
2131 static int incede;
2132
2133 api_cede_notself ();
2134
2135 ++incede;
2136 while (coro_nready >= incede && api_cede ())
2137 ;
2138
2139 sv_setsv (sv_activity, &PL_sv_undef);
2140 if (coro_nready >= incede)
2141 {
2142 PUSHMARK (SP);
2143 PUTBACK;
2144 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2145 SPAGAIN;
2146 }
2147
2148 --incede;
2149}
2150

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