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Comparing Coro/Coro/State.xs (file contents):
Revision 1.217 by root, Wed Nov 14 11:32:56 2007 UTC vs.
Revision 1.243 by root, Sat Aug 30 03:07:46 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
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#ifndef MgPV_nolen_const
692#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
693 SvPV_nolen((SV*)((mg)->mg_ptr)) : \
694 (const char*)(mg)->mg_ptr)
695#endif
671 696
672/* 697/*
673 * This overrides the default magic get method of %SIG elements. 698 * 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 699 * 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 700 * and instead of tryign to save and restore the hash elements, we just provide
679 * when a schedule happens then, but we ignore this. 704 * when a schedule happens then, but we ignore this.
680 */ 705 */
681static int 706static int
682coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 707coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
683{ 708{
684 return orig_sigelem_get (aTHX_ sv, mg);
685 const char *s = MgPV_nolen_const (mg); 709 const char *s = MgPV_nolen_const (mg);
686 710
687 if (*s == '_') 711 if (*s == '_')
688 { 712 {
689 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; 713 SV **svp = 0;
690 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; 714
715 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
716 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
717
718 if (svp)
719 {
720 sv_setsv (sv, *svp ? *svp : &PL_sv_undef);
721 return 0;
722 }
723 }
724
725 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
726}
727
728static int
729coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
730{
731 const char *s = MgPV_nolen_const (mg);
732
733 if (*s == '_')
691 } 734 {
735 SV **svp = 0;
692 736
737 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
738 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
739
740 if (svp)
741 {
742 SV *old = *svp;
743 *svp = 0;
744 SvREFCNT_dec (old);
745 return 0;
746 }
747 }
748
749 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
750}
751
752static int
753coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
754{
755 const char *s = MgPV_nolen_const (mg);
756
757 if (*s == '_')
758 {
759 SV **svp = 0;
760
761 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
762 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
763
764 if (svp)
765 {
766 SV *old = *svp;
767 *svp = newSVsv (sv);
768 SvREFCNT_dec (old);
769 return 0;
770 }
771 }
772
693 return orig_sigelem_get (aTHX_ sv, mg); 773 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
694} 774}
695#endif
696 775
697static void 776static void
698coro_setup (pTHX_ struct coro *coro) 777coro_setup (pTHX_ struct coro *coro)
699{ 778{
700 /* 779 /*
709 PL_curpm = 0; 788 PL_curpm = 0;
710 PL_curpad = 0; 789 PL_curpad = 0;
711 PL_localizing = 0; 790 PL_localizing = 0;
712 PL_dirty = 0; 791 PL_dirty = 0;
713 PL_restartop = 0; 792 PL_restartop = 0;
793#if PERL_VERSION_ATLEAST (5,10,0)
794 PL_parser = 0;
795#endif
714 796
715 /* recreate the die/warn hooks */ 797 /* recreate the die/warn hooks */
716 PL_diehook = 0; 798 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); 799 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);
723 800
724 GvSV (PL_defgv) = newSV (0); 801 GvSV (PL_defgv) = newSV (0);
725 GvAV (PL_defgv) = coro->args; coro->args = 0; 802 GvAV (PL_defgv) = coro->args; coro->args = 0;
726 GvSV (PL_errgv) = newSV (0); 803 GvSV (PL_errgv) = newSV (0);
727 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 804 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
878 SAVETMPS; 955 SAVETMPS;
879 EXTEND (SP, 3); 956 EXTEND (SP, 3);
880 PUSHMARK (SP); 957 PUSHMARK (SP);
881 PUSHs (&PL_sv_yes); 958 PUSHs (&PL_sv_yes);
882 PUSHs (fullname); 959 PUSHs (fullname);
883 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 960 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884 PUTBACK; 961 PUTBACK;
885 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 962 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); 963 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
887 SPAGAIN; 964 SPAGAIN;
888 FREETMPS; 965 FREETMPS;
1104 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1181 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1105 1182
1106 if (expect_false (next->flags & CF_DESTROYED)) 1183 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"); 1184 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108 1185
1109 if (
1110#if PERL_VERSION_ATLEAST (5,9,0) 1186#if !PERL_VERSION_ATLEAST (5,10,0)
1111 expect_false (PL_parser)
1112#else
1113 expect_false (PL_lex_state != LEX_NOTPARSING) 1187 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114#endif
1115 )
1116 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1188 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1189#endif
1117 } 1190 }
1118} 1191}
1119 1192
1120/* always use the TRANSFER macro */ 1193/* always use the TRANSFER macro */
1121static void NOINLINE 1194static void NOINLINE
1122transfer (pTHX_ struct coro *prev, struct coro *next) 1195transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1123{ 1196{
1124 dSTACKLEVEL; 1197 dSTACKLEVEL;
1125 static volatile int has_throw; 1198 static volatile int has_throw;
1126 1199
1127 /* sometimes transfer is only called to set idle_sp */ 1200 /* sometimes transfer is only called to set idle_sp */
1161 load_perl (aTHX_ next); 1234 load_perl (aTHX_ next);
1162 1235
1163 prev__cctx = prev->cctx; 1236 prev__cctx = prev->cctx;
1164 1237
1165 /* possibly "free" the cctx */ 1238 /* possibly "free" the cctx */
1166 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1239 if (expect_true (
1240 prev__cctx->idle_sp == STACKLEVEL
1241 && !(prev__cctx->flags & CC_TRACE)
1242 && !force_cctx
1243 ))
1167 { 1244 {
1168 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1245 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1169 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1246 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1170 1247
1171 prev->cctx = 0; 1248 prev->cctx = 0;
1214struct transfer_args 1291struct transfer_args
1215{ 1292{
1216 struct coro *prev, *next; 1293 struct coro *prev, *next;
1217}; 1294};
1218 1295
1219#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1296#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1220#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1297#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1221 1298
1222/** high level stuff ********************************************************/ 1299/** high level stuff ********************************************************/
1223 1300
1224static int 1301static int
1318{ 1395{
1319 dTHX; 1396 dTHX;
1320 struct transfer_args ta; 1397 struct transfer_args ta;
1321 1398
1322 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1399 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1323 TRANSFER (ta); 1400 TRANSFER (ta, 1);
1324} 1401}
1325 1402
1326/** Coro ********************************************************************/ 1403/** Coro ********************************************************************/
1327 1404
1328static void 1405static void
1330{ 1407{
1331 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1408 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1332} 1409}
1333 1410
1334static SV * 1411static SV *
1335coro_deq (pTHX_ int min_prio) 1412coro_deq (pTHX)
1336{ 1413{
1337 int prio = PRIO_MAX - PRIO_MIN; 1414 int prio;
1338 1415
1339 min_prio -= PRIO_MIN;
1340 if (min_prio < 0)
1341 min_prio = 0;
1342
1343 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1416 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1344 if (AvFILLp (coro_ready [prio]) >= 0) 1417 if (AvFILLp (coro_ready [prio]) >= 0)
1345 return av_shift (coro_ready [prio]); 1418 return av_shift (coro_ready [prio]);
1346 1419
1347 return 0; 1420 return 0;
1348} 1421}
1350static int 1423static int
1351api_ready (SV *coro_sv) 1424api_ready (SV *coro_sv)
1352{ 1425{
1353 dTHX; 1426 dTHX;
1354 struct coro *coro; 1427 struct coro *coro;
1428 SV *sv_hook;
1429 void (*xs_hook)(void);
1355 1430
1356 if (SvROK (coro_sv)) 1431 if (SvROK (coro_sv))
1357 coro_sv = SvRV (coro_sv); 1432 coro_sv = SvRV (coro_sv);
1358 1433
1359 coro = SvSTATE (coro_sv); 1434 coro = SvSTATE (coro_sv);
1362 return 0; 1437 return 0;
1363 1438
1364 coro->flags |= CF_READY; 1439 coro->flags |= CF_READY;
1365 1440
1366 LOCK; 1441 LOCK;
1442
1443 sv_hook = coro_nready ? 0 : coro_readyhook;
1444 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1445
1367 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1446 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1368 ++coro_nready; 1447 ++coro_nready;
1448
1369 UNLOCK; 1449 UNLOCK;
1450
1451 if (sv_hook)
1452 {
1453 dSP;
1454
1455 ENTER;
1456 SAVETMPS;
1457
1458 PUSHMARK (SP);
1459 PUTBACK;
1460 call_sv (sv_hook, G_DISCARD);
1461 SPAGAIN;
1462
1463 FREETMPS;
1464 LEAVE;
1465 }
1466
1467 if (xs_hook)
1468 xs_hook ();
1370 1469
1371 return 1; 1470 return 1;
1372} 1471}
1373 1472
1374static int 1473static int
1384 SV *prev_sv, *next_sv; 1483 SV *prev_sv, *next_sv;
1385 1484
1386 for (;;) 1485 for (;;)
1387 { 1486 {
1388 LOCK; 1487 LOCK;
1389 next_sv = coro_deq (aTHX_ PRIO_MIN); 1488 next_sv = coro_deq (aTHX);
1390 1489
1391 /* nothing to schedule: call the idle handler */ 1490 /* nothing to schedule: call the idle handler */
1392 if (expect_false (!next_sv)) 1491 if (expect_false (!next_sv))
1393 { 1492 {
1394 dSP; 1493 dSP;
1398 SAVETMPS; 1497 SAVETMPS;
1399 1498
1400 PUSHMARK (SP); 1499 PUSHMARK (SP);
1401 PUTBACK; 1500 PUTBACK;
1402 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1501 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1502 SPAGAIN;
1403 1503
1404 FREETMPS; 1504 FREETMPS;
1405 LEAVE; 1505 LEAVE;
1406 continue; 1506 continue;
1407 } 1507 }
1462{ 1562{
1463 dTHX; 1563 dTHX;
1464 struct transfer_args ta; 1564 struct transfer_args ta;
1465 1565
1466 prepare_schedule (aTHX_ &ta); 1566 prepare_schedule (aTHX_ &ta);
1467 TRANSFER (ta); 1567 TRANSFER (ta, 1);
1468} 1568}
1469 1569
1470static int 1570static int
1471api_cede (void) 1571api_cede (void)
1472{ 1572{
1475 1575
1476 prepare_cede (aTHX_ &ta); 1576 prepare_cede (aTHX_ &ta);
1477 1577
1478 if (expect_true (ta.prev != ta.next)) 1578 if (expect_true (ta.prev != ta.next))
1479 { 1579 {
1480 TRANSFER (ta); 1580 TRANSFER (ta, 1);
1481 return 1; 1581 return 1;
1482 } 1582 }
1483 else 1583 else
1484 return 0; 1584 return 0;
1485} 1585}
1490 dTHX; 1590 dTHX;
1491 struct transfer_args ta; 1591 struct transfer_args ta;
1492 1592
1493 if (prepare_cede_notself (aTHX_ &ta)) 1593 if (prepare_cede_notself (aTHX_ &ta))
1494 { 1594 {
1495 TRANSFER (ta); 1595 TRANSFER (ta, 1);
1496 return 1; 1596 return 1;
1497 } 1597 }
1498 else 1598 else
1499 return 0; 1599 return 0;
1500} 1600}
1523 else 1623 else
1524 coro->slot->runops = RUNOPS_DEFAULT; 1624 coro->slot->runops = RUNOPS_DEFAULT;
1525 } 1625 }
1526} 1626}
1527 1627
1628static int
1629coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1630{
1631 AV *padlist;
1632 AV *av = (AV *)mg->mg_obj;
1633
1634 abort ();
1635
1636 return 0;
1637}
1638
1639static MGVTBL coro_gensub_vtbl = {
1640 0, 0, 0, 0,
1641 coro_gensub_free
1642};
1643
1528MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1644MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1529 1645
1530PROTOTYPES: DISABLE 1646PROTOTYPES: DISABLE
1531 1647
1532BOOT: 1648BOOT:
1536#endif 1652#endif
1537 BOOT_PAGESIZE; 1653 BOOT_PAGESIZE;
1538 1654
1539 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1655 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1540 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1656 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1541#if 0 1657
1542 orig_sigelem_get = PL_vtbl_sigelem.svt_get; 1658 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1543 PL_vtbl_sigelem.svt_get = coro_sigelem_get; 1659 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1544#endif 1660 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1661
1545 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); 1662 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1546 rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); 1663 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1547 rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); 1664 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1548 1665
1549 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1666 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1550 1667
1551 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1668 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1552 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1669 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1557 main_top_env = PL_top_env; 1674 main_top_env = PL_top_env;
1558 1675
1559 while (main_top_env->je_prev) 1676 while (main_top_env->je_prev)
1560 main_top_env = main_top_env->je_prev; 1677 main_top_env = main_top_env->je_prev;
1561 1678
1562 coroapi.ver = CORO_API_VERSION; 1679 coroapi.ver = CORO_API_VERSION;
1563 coroapi.rev = CORO_API_REVISION; 1680 coroapi.rev = CORO_API_REVISION;
1564 coroapi.transfer = api_transfer; 1681 coroapi.transfer = api_transfer;
1565 1682
1566 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1683 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1567} 1684}
1568 1685
1569SV * 1686SV *
1607 Coro::cede_notself = 4 1724 Coro::cede_notself = 4
1608 CODE: 1725 CODE:
1609{ 1726{
1610 struct transfer_args ta; 1727 struct transfer_args ta;
1611 1728
1729 PUTBACK;
1612 switch (ix) 1730 switch (ix)
1613 { 1731 {
1614 case 0: 1732 case 0:
1615 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1733 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1616 ta.next = 0; 1734 ta.next = 0;
1635 if (!prepare_cede_notself (aTHX_ &ta)) 1753 if (!prepare_cede_notself (aTHX_ &ta))
1636 XSRETURN_EMPTY; 1754 XSRETURN_EMPTY;
1637 1755
1638 break; 1756 break;
1639 } 1757 }
1758 SPAGAIN;
1640 1759
1641 BARRIER; 1760 BARRIER;
1642 PUTBACK; 1761 PUTBACK;
1643 TRANSFER (ta); 1762 TRANSFER (ta, 0);
1644 SPAGAIN; /* might be the sp of a different coroutine now */ 1763 SPAGAIN; /* might be the sp of a different coroutine now */
1645 /* be extra careful not to ever do anything after TRANSFER */ 1764 /* be extra careful not to ever do anything after TRANSFER */
1646} 1765}
1647 1766
1648bool 1767bool
1651 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1770 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1652 OUTPUT: 1771 OUTPUT:
1653 RETVAL 1772 RETVAL
1654 1773
1655void 1774void
1656_exit (code) 1775_exit (int code)
1657 int code
1658 PROTOTYPE: $ 1776 PROTOTYPE: $
1659 CODE: 1777 CODE:
1660 _exit (code); 1778 _exit (code);
1661 1779
1662int 1780int
1702 { 1820 {
1703 struct coro temp; 1821 struct coro temp;
1704 1822
1705 if (!(coro->flags & CF_RUNNING)) 1823 if (!(coro->flags & CF_RUNNING))
1706 { 1824 {
1825 PUTBACK;
1707 save_perl (aTHX_ &temp); 1826 save_perl (aTHX_ &temp);
1708 load_perl (aTHX_ coro); 1827 load_perl (aTHX_ coro);
1709 } 1828 }
1710 1829
1711 { 1830 {
1730 1849
1731 if (!(coro->flags & CF_RUNNING)) 1850 if (!(coro->flags & CF_RUNNING))
1732 { 1851 {
1733 save_perl (aTHX_ coro); 1852 save_perl (aTHX_ coro);
1734 load_perl (aTHX_ &temp); 1853 load_perl (aTHX_ &temp);
1854 SPAGAIN;
1735 } 1855 }
1736 } 1856 }
1737} 1857}
1738 1858
1739SV * 1859SV *
1751 1871
1752void 1872void
1753api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1873api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1754 1874
1755SV * 1875SV *
1756has_stack (Coro::State coro) 1876has_cctx (Coro::State coro)
1757 PROTOTYPE: $ 1877 PROTOTYPE: $
1758 CODE: 1878 CODE:
1759 RETVAL = boolSV (!!coro->cctx); 1879 RETVAL = boolSV (!!coro->cctx);
1760 OUTPUT: 1880 OUTPUT:
1761 RETVAL 1881 RETVAL
1780 case 1: RETVAL = coro->usecount; break; 1900 case 1: RETVAL = coro->usecount; break;
1781 } 1901 }
1782 OUTPUT: 1902 OUTPUT:
1783 RETVAL 1903 RETVAL
1784 1904
1905void
1906force_cctx ()
1907 CODE:
1908 struct coro *coro = SvSTATE (coro_current);
1909 coro->cctx->idle_sp = 0;
1910
1911void
1912throw (Coro::State self, SV *throw = &PL_sv_undef)
1913 PROTOTYPE: $;$
1914 CODE:
1915 SvREFCNT_dec (self->throw);
1916 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1917
1918void
1919swap_defsv (Coro::State self)
1920 PROTOTYPE: $
1921 ALIAS:
1922 swap_defav = 1
1923 CODE:
1924 if (!self->slot)
1925 croak ("cannot swap state with coroutine that has no saved state");
1926 else
1927 {
1928 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
1929 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
1930
1931 SV *tmp = *src; *src = *dst; *dst = tmp;
1932 }
1785 1933
1786MODULE = Coro::State PACKAGE = Coro 1934MODULE = Coro::State PACKAGE = Coro
1787 1935
1788BOOT: 1936BOOT:
1789{ 1937{
1790 int i; 1938 int i;
1791 1939
1940 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1792 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 1941 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1793 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 1942 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1794 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1795 1943
1796 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); 1944 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1797 SvREADONLY_on (coro_current); 1945 SvREADONLY_on (coro_current);
1798 1946
1799 coro_stash = gv_stashpv ("Coro", TRUE); 1947 coro_stash = gv_stashpv ("Coro", TRUE);
1831 PROTOTYPE: $ 1979 PROTOTYPE: $
1832 CODE: 1980 CODE:
1833 SvREFCNT_dec (SvRV (coro_current)); 1981 SvREFCNT_dec (SvRV (coro_current));
1834 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1982 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1835 1983
1984void
1985_set_readyhook (SV *hook)
1986 PROTOTYPE: $
1987 CODE:
1988 LOCK;
1989 SvREFCNT_dec (coro_readyhook);
1990 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1991 UNLOCK;
1992
1836int 1993int
1837prio (Coro::State coro, int newprio = 0) 1994prio (Coro::State coro, int newprio = 0)
1838 ALIAS: 1995 ALIAS:
1839 nice = 1 1996 nice = 1
1840 CODE: 1997 CODE:
1869 CODE: 2026 CODE:
1870 RETVAL = coro_nready; 2027 RETVAL = coro_nready;
1871 OUTPUT: 2028 OUTPUT:
1872 RETVAL 2029 RETVAL
1873 2030
1874void
1875throw (Coro::State self, SV *throw = &PL_sv_undef)
1876 PROTOTYPE: $;$
1877 CODE:
1878 SvREFCNT_dec (self->throw);
1879 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1880
1881# for async_pool speedup 2031# for async_pool speedup
1882void 2032void
1883_pool_1 (SV *cb) 2033_pool_1 (SV *cb)
1884 CODE: 2034 CODE:
1885{ 2035{
1889 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 2039 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1890 AV *invoke_av; 2040 AV *invoke_av;
1891 int i, len; 2041 int i, len;
1892 2042
1893 if (!invoke) 2043 if (!invoke)
2044 {
2045 SV *old = PL_diehook;
2046 PL_diehook = 0;
2047 SvREFCNT_dec (old);
1894 croak ("\3async_pool terminate\2\n"); 2048 croak ("\3async_pool terminate\2\n");
2049 }
1895 2050
1896 SvREFCNT_dec (coro->saved_deffh); 2051 SvREFCNT_dec (coro->saved_deffh);
1897 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2052 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1898 2053
1899 hv_store (hv, "desc", sizeof ("desc") - 1, 2054 hv_store (hv, "desc", sizeof ("desc") - 1,
1925 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2080 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1926 coro->saved_deffh = 0; 2081 coro->saved_deffh = 0;
1927 2082
1928 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2083 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1929 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2084 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2085 {
2086 SV *old = PL_diehook;
2087 PL_diehook = 0;
2088 SvREFCNT_dec (old);
1930 croak ("\3async_pool terminate\2\n"); 2089 croak ("\3async_pool terminate\2\n");
2090 }
1931 2091
1932 av_clear (GvAV (PL_defgv)); 2092 av_clear (GvAV (PL_defgv));
1933 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 2093 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1934 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 2094 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1935 2095
1938 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2098 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1939 api_trace (coro_current, 0); 2099 api_trace (coro_current, 0);
1940 2100
1941 av_push (av_async_pool, newSVsv (coro_current)); 2101 av_push (av_async_pool, newSVsv (coro_current));
1942} 2102}
2103
2104#if 0
2105
2106void
2107_generator_call (...)
2108 PROTOTYPE: @
2109 PPCODE:
2110 fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
2111 xxxx
2112 abort ();
2113
2114SV *
2115gensub (SV *sub, ...)
2116 PROTOTYPE: &;@
2117 CODE:
2118{
2119 struct coro *coro;
2120 MAGIC *mg;
2121 CV *xcv;
2122 CV *ncv = (CV *)newSV_type (SVt_PVCV);
2123 int i;
2124
2125 CvGV (ncv) = CvGV (cv);
2126 CvFILE (ncv) = CvFILE (cv);
2127
2128 Newz (0, coro, 1, struct coro);
2129 coro->args = newAV ();
2130 coro->flags = CF_NEW;
2131
2132 av_extend (coro->args, items - 1);
2133 for (i = 1; i < items; i++)
2134 av_push (coro->args, newSVsv (ST (i)));
2135
2136 CvISXSUB_on (ncv);
2137 CvXSUBANY (ncv).any_ptr = (void *)coro;
2138
2139 xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
2140
2141 CvXSUB (ncv) = CvXSUB (xcv);
2142 CvANON_on (ncv);
2143
2144 mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0);
2145 RETVAL = newRV_noinc ((SV *)ncv);
2146}
2147 OUTPUT:
2148 RETVAL
2149
2150#endif
1943 2151
1944 2152
1945MODULE = Coro::State PACKAGE = Coro::AIO 2153MODULE = Coro::State PACKAGE = Coro::AIO
1946 2154
1947SV * 2155SV *
1974 PL_laststype = data->laststype; 2182 PL_laststype = data->laststype;
1975 PL_laststatval = data->laststatval; 2183 PL_laststatval = data->laststatval;
1976 PL_statcache = data->statcache; 2184 PL_statcache = data->statcache;
1977} 2185}
1978 2186
2187
2188MODULE = Coro::State PACKAGE = Coro::AnyEvent
2189
2190BOOT:
2191 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2192
2193SV *
2194_schedule (...)
2195 PROTOTYPE: @
2196 CODE:
2197{
2198 static int incede;
2199
2200 api_cede_notself ();
2201
2202 ++incede;
2203 while (coro_nready >= incede && api_cede ())
2204 ;
2205
2206 sv_setsv (sv_activity, &PL_sv_undef);
2207 if (coro_nready >= incede)
2208 {
2209 PUSHMARK (SP);
2210 PUTBACK;
2211 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2212 SPAGAIN;
2213 }
2214
2215 --incede;
2216}
2217

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