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Comparing Coro/Coro/State.xs (file contents):
Revision 1.216 by root, Wed Nov 14 10:24:14 2007 UTC vs.
Revision 1.235 by root, Sat May 10 00:13:18 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);
671 688
672/* 689/*
673 * This overrides the default magic get method of %SIG elements. 690 * 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 691 * 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 692 * and instead of tryign to save and restore the hash elements, we just provide
679 * when a schedule happens then, but we ignore this. 696 * when a schedule happens then, but we ignore this.
680 */ 697 */
681static int 698static int
682coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 699coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
683{ 700{
684 return orig_sigelem_get (aTHX_ sv, mg);
685 const char *s = MgPV_nolen_const (mg); 701 const char *s = MgPV_nolen_const (mg);
686 702
687 if (*s == '_') 703 if (*s == '_')
688 { 704 {
689 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; 705 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;
690 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; 706 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;
691 } 707 }
692 708
693 return orig_sigelem_get (aTHX_ sv, mg); 709 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
694} 710}
695#endif 711
712static int
713coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
714{
715 const char *s = MgPV_nolen_const (mg);
716
717 if (*s == '_')
718 {
719 SV **svp = 0;
720
721 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
722 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
723
724 if (svp)
725 {
726 SV *old = *svp;
727 *svp = newSVsv (sv);
728 SvREFCNT_dec (old);
729 return 0;
730 }
731 }
732
733 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
734}
696 735
697static void 736static void
698coro_setup (pTHX_ struct coro *coro) 737coro_setup (pTHX_ struct coro *coro)
699{ 738{
700 /* 739 /*
709 PL_curpm = 0; 748 PL_curpm = 0;
710 PL_curpad = 0; 749 PL_curpad = 0;
711 PL_localizing = 0; 750 PL_localizing = 0;
712 PL_dirty = 0; 751 PL_dirty = 0;
713 PL_restartop = 0; 752 PL_restartop = 0;
753#if PERL_VERSION_ATLEAST (5,10,0)
754 PL_parser = 0;
755#endif
714 756
715 /* recreate the die/warn hooks */ 757 /* recreate the die/warn hooks */
716 PL_diehook = 0; 758 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); 759 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);
723 760
724 GvSV (PL_defgv) = newSV (0); 761 GvSV (PL_defgv) = newSV (0);
725 GvAV (PL_defgv) = coro->args; coro->args = 0; 762 GvAV (PL_defgv) = coro->args; coro->args = 0;
726 GvSV (PL_errgv) = newSV (0); 763 GvSV (PL_errgv) = newSV (0);
727 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 764 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
878 SAVETMPS; 915 SAVETMPS;
879 EXTEND (SP, 3); 916 EXTEND (SP, 3);
880 PUSHMARK (SP); 917 PUSHMARK (SP);
881 PUSHs (&PL_sv_yes); 918 PUSHs (&PL_sv_yes);
882 PUSHs (fullname); 919 PUSHs (fullname);
883 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 920 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884 PUTBACK; 921 PUTBACK;
885 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 922 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); 923 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
887 SPAGAIN; 924 SPAGAIN;
888 FREETMPS; 925 FREETMPS;
1104 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1141 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1105 1142
1106 if (expect_false (next->flags & CF_DESTROYED)) 1143 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"); 1144 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108 1145
1109 if (
1110#if PERL_VERSION_ATLEAST (5,9,0) 1146#if !PERL_VERSION_ATLEAST (5,10,0)
1111 expect_false (PL_parser)
1112#else
1113 expect_false (PL_lex_state != LEX_NOTPARSING) 1147 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114#endif
1115 )
1116 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1148 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1149#endif
1117 } 1150 }
1118} 1151}
1119 1152
1120/* always use the TRANSFER macro */ 1153/* always use the TRANSFER macro */
1121static void NOINLINE 1154static void NOINLINE
1122transfer (pTHX_ struct coro *prev, struct coro *next) 1155transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1123{ 1156{
1124 dSTACKLEVEL; 1157 dSTACKLEVEL;
1125 static volatile int has_throw; 1158 static volatile int has_throw;
1126 1159
1127 /* sometimes transfer is only called to set idle_sp */ 1160 /* sometimes transfer is only called to set idle_sp */
1161 load_perl (aTHX_ next); 1194 load_perl (aTHX_ next);
1162 1195
1163 prev__cctx = prev->cctx; 1196 prev__cctx = prev->cctx;
1164 1197
1165 /* possibly "free" the cctx */ 1198 /* possibly "free" the cctx */
1166 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1199 if (expect_true (
1200 prev__cctx->idle_sp == STACKLEVEL
1201 && !(prev__cctx->flags & CC_TRACE)
1202 && !force_cctx
1203 ))
1167 { 1204 {
1168 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1205 /* 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)); 1206 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1170 1207
1171 prev->cctx = 0; 1208 prev->cctx = 0;
1214struct transfer_args 1251struct transfer_args
1215{ 1252{
1216 struct coro *prev, *next; 1253 struct coro *prev, *next;
1217}; 1254};
1218 1255
1219#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1256#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) 1257#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1221 1258
1222/** high level stuff ********************************************************/ 1259/** high level stuff ********************************************************/
1223 1260
1224static int 1261static int
1318{ 1355{
1319 dTHX; 1356 dTHX;
1320 struct transfer_args ta; 1357 struct transfer_args ta;
1321 1358
1322 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1359 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1323 TRANSFER (ta); 1360 TRANSFER (ta, 1);
1324} 1361}
1325 1362
1326/** Coro ********************************************************************/ 1363/** Coro ********************************************************************/
1327 1364
1328static void 1365static void
1330{ 1367{
1331 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1368 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1332} 1369}
1333 1370
1334static SV * 1371static SV *
1335coro_deq (pTHX_ int min_prio) 1372coro_deq (pTHX)
1336{ 1373{
1337 int prio = PRIO_MAX - PRIO_MIN; 1374 int prio;
1338 1375
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; ) 1376 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1344 if (AvFILLp (coro_ready [prio]) >= 0) 1377 if (AvFILLp (coro_ready [prio]) >= 0)
1345 return av_shift (coro_ready [prio]); 1378 return av_shift (coro_ready [prio]);
1346 1379
1347 return 0; 1380 return 0;
1348} 1381}
1350static int 1383static int
1351api_ready (SV *coro_sv) 1384api_ready (SV *coro_sv)
1352{ 1385{
1353 dTHX; 1386 dTHX;
1354 struct coro *coro; 1387 struct coro *coro;
1388 SV *hook;
1355 1389
1356 if (SvROK (coro_sv)) 1390 if (SvROK (coro_sv))
1357 coro_sv = SvRV (coro_sv); 1391 coro_sv = SvRV (coro_sv);
1358 1392
1359 coro = SvSTATE (coro_sv); 1393 coro = SvSTATE (coro_sv);
1362 return 0; 1396 return 0;
1363 1397
1364 coro->flags |= CF_READY; 1398 coro->flags |= CF_READY;
1365 1399
1366 LOCK; 1400 LOCK;
1401
1402 hook = coro_nready ? 0 : coro_readyhook;
1403
1367 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1404 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1368 ++coro_nready; 1405 ++coro_nready;
1406
1369 UNLOCK; 1407 UNLOCK;
1408
1409 if (hook)
1410 {
1411 dSP;
1412
1413 ENTER;
1414 SAVETMPS;
1415
1416 PUSHMARK (SP);
1417 PUTBACK;
1418 call_sv (hook, G_DISCARD);
1419 SPAGAIN;
1420
1421 FREETMPS;
1422 LEAVE;
1423 }
1370 1424
1371 return 1; 1425 return 1;
1372} 1426}
1373 1427
1374static int 1428static int
1384 SV *prev_sv, *next_sv; 1438 SV *prev_sv, *next_sv;
1385 1439
1386 for (;;) 1440 for (;;)
1387 { 1441 {
1388 LOCK; 1442 LOCK;
1389 next_sv = coro_deq (aTHX_ PRIO_MIN); 1443 next_sv = coro_deq (aTHX);
1390 1444
1391 /* nothing to schedule: call the idle handler */ 1445 /* nothing to schedule: call the idle handler */
1392 if (expect_false (!next_sv)) 1446 if (expect_false (!next_sv))
1393 { 1447 {
1394 dSP; 1448 dSP;
1398 SAVETMPS; 1452 SAVETMPS;
1399 1453
1400 PUSHMARK (SP); 1454 PUSHMARK (SP);
1401 PUTBACK; 1455 PUTBACK;
1402 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1456 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1457 SPAGAIN;
1403 1458
1404 FREETMPS; 1459 FREETMPS;
1405 LEAVE; 1460 LEAVE;
1406 continue; 1461 continue;
1407 } 1462 }
1462{ 1517{
1463 dTHX; 1518 dTHX;
1464 struct transfer_args ta; 1519 struct transfer_args ta;
1465 1520
1466 prepare_schedule (aTHX_ &ta); 1521 prepare_schedule (aTHX_ &ta);
1467 TRANSFER (ta); 1522 TRANSFER (ta, 1);
1468} 1523}
1469 1524
1470static int 1525static int
1471api_cede (void) 1526api_cede (void)
1472{ 1527{
1475 1530
1476 prepare_cede (aTHX_ &ta); 1531 prepare_cede (aTHX_ &ta);
1477 1532
1478 if (expect_true (ta.prev != ta.next)) 1533 if (expect_true (ta.prev != ta.next))
1479 { 1534 {
1480 TRANSFER (ta); 1535 TRANSFER (ta, 1);
1481 return 1; 1536 return 1;
1482 } 1537 }
1483 else 1538 else
1484 return 0; 1539 return 0;
1485} 1540}
1490 dTHX; 1545 dTHX;
1491 struct transfer_args ta; 1546 struct transfer_args ta;
1492 1547
1493 if (prepare_cede_notself (aTHX_ &ta)) 1548 if (prepare_cede_notself (aTHX_ &ta))
1494 { 1549 {
1495 TRANSFER (ta); 1550 TRANSFER (ta, 1);
1496 return 1; 1551 return 1;
1497 } 1552 }
1498 else 1553 else
1499 return 0; 1554 return 0;
1500} 1555}
1536#endif 1591#endif
1537 BOOT_PAGESIZE; 1592 BOOT_PAGESIZE;
1538 1593
1539 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1594 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1540 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1595 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1541#if 0 1596
1542 orig_sigelem_get = PL_vtbl_sigelem.svt_get; 1597 orig_sigelem_get = PL_vtbl_sigelem.svt_get;
1543 PL_vtbl_sigelem.svt_get = coro_sigelem_get; 1598 PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1544#endif 1599 orig_sigelem_set = PL_vtbl_sigelem.svt_set;
1600 PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1601
1545 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); 1602 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1546 rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); 1603 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)); 1604 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1548 1605
1549 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1606 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1550 1607
1551 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1608 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1552 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1609 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1607 Coro::cede_notself = 4 1664 Coro::cede_notself = 4
1608 CODE: 1665 CODE:
1609{ 1666{
1610 struct transfer_args ta; 1667 struct transfer_args ta;
1611 1668
1669 PUTBACK;
1612 switch (ix) 1670 switch (ix)
1613 { 1671 {
1614 case 0: 1672 case 0:
1615 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1673 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1616 ta.next = 0; 1674 ta.next = 0;
1635 if (!prepare_cede_notself (aTHX_ &ta)) 1693 if (!prepare_cede_notself (aTHX_ &ta))
1636 XSRETURN_EMPTY; 1694 XSRETURN_EMPTY;
1637 1695
1638 break; 1696 break;
1639 } 1697 }
1698 SPAGAIN;
1640 1699
1641 BARRIER; 1700 BARRIER;
1642 PUTBACK; 1701 PUTBACK;
1643 TRANSFER (ta); 1702 TRANSFER (ta, 0);
1644 SPAGAIN; /* might be the sp of a different coroutine now */ 1703 SPAGAIN; /* might be the sp of a different coroutine now */
1645 /* be extra careful not to ever do anything after TRANSFER */ 1704 /* be extra careful not to ever do anything after TRANSFER */
1646} 1705}
1647 1706
1648bool 1707bool
1651 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1710 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1652 OUTPUT: 1711 OUTPUT:
1653 RETVAL 1712 RETVAL
1654 1713
1655void 1714void
1656_exit (code) 1715_exit (int code)
1657 int code
1658 PROTOTYPE: $ 1716 PROTOTYPE: $
1659 CODE: 1717 CODE:
1660 _exit (code); 1718 _exit (code);
1661 1719
1662int 1720int
1702 { 1760 {
1703 struct coro temp; 1761 struct coro temp;
1704 1762
1705 if (!(coro->flags & CF_RUNNING)) 1763 if (!(coro->flags & CF_RUNNING))
1706 { 1764 {
1765 PUTBACK;
1707 save_perl (aTHX_ &temp); 1766 save_perl (aTHX_ &temp);
1708 load_perl (aTHX_ coro); 1767 load_perl (aTHX_ coro);
1709 } 1768 }
1710 1769
1711 { 1770 {
1730 1789
1731 if (!(coro->flags & CF_RUNNING)) 1790 if (!(coro->flags & CF_RUNNING))
1732 { 1791 {
1733 save_perl (aTHX_ coro); 1792 save_perl (aTHX_ coro);
1734 load_perl (aTHX_ &temp); 1793 load_perl (aTHX_ &temp);
1794 SPAGAIN;
1735 } 1795 }
1736 } 1796 }
1737} 1797}
1738 1798
1739SV * 1799SV *
1751 1811
1752void 1812void
1753api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1813api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1754 1814
1755SV * 1815SV *
1756has_stack (Coro::State coro) 1816has_cctx (Coro::State coro)
1757 PROTOTYPE: $ 1817 PROTOTYPE: $
1758 CODE: 1818 CODE:
1759 RETVAL = boolSV (!!coro->cctx); 1819 RETVAL = boolSV (!!coro->cctx);
1760 OUTPUT: 1820 OUTPUT:
1761 RETVAL 1821 RETVAL
1780 case 1: RETVAL = coro->usecount; break; 1840 case 1: RETVAL = coro->usecount; break;
1781 } 1841 }
1782 OUTPUT: 1842 OUTPUT:
1783 RETVAL 1843 RETVAL
1784 1844
1845void
1846force_cctx ()
1847 CODE:
1848 struct coro *coro = SvSTATE (coro_current);
1849 coro->cctx->idle_sp = 0;
1785 1850
1786MODULE = Coro::State PACKAGE = Coro 1851MODULE = Coro::State PACKAGE = Coro
1787 1852
1788BOOT: 1853BOOT:
1789{ 1854{
1790 int i; 1855 int i;
1791 1856
1857 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1792 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 1858 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1793 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 1859 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1794 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1795 1860
1796 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); 1861 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1797 SvREADONLY_on (coro_current); 1862 SvREADONLY_on (coro_current);
1798 1863
1799 coro_stash = gv_stashpv ("Coro", TRUE); 1864 coro_stash = gv_stashpv ("Coro", TRUE);
1831 PROTOTYPE: $ 1896 PROTOTYPE: $
1832 CODE: 1897 CODE:
1833 SvREFCNT_dec (SvRV (coro_current)); 1898 SvREFCNT_dec (SvRV (coro_current));
1834 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1899 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1835 1900
1901void
1902_set_readyhook (SV *hook)
1903 PROTOTYPE: $
1904 CODE:
1905 LOCK;
1906 if (coro_readyhook)
1907 SvREFCNT_dec (coro_readyhook);
1908 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1909 UNLOCK;
1910
1836int 1911int
1837prio (Coro::State coro, int newprio = 0) 1912prio (Coro::State coro, int newprio = 0)
1838 ALIAS: 1913 ALIAS:
1839 nice = 1 1914 nice = 1
1840 CODE: 1915 CODE:
1876 PROTOTYPE: $;$ 1951 PROTOTYPE: $;$
1877 CODE: 1952 CODE:
1878 SvREFCNT_dec (self->throw); 1953 SvREFCNT_dec (self->throw);
1879 self->throw = SvOK (throw) ? newSVsv (throw) : 0; 1954 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1880 1955
1956void
1957swap_defsv (Coro::State self)
1958 PROTOTYPE: $
1959 ALIAS:
1960 swap_defav = 1
1961 CODE:
1962 if (!self->slot)
1963 croak ("cannot swap state with coroutine that has no saved state");
1964 else
1965 {
1966 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
1967 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
1968
1969 SV *tmp = *src; *src = *dst; *dst = tmp;
1970 }
1971
1881# for async_pool speedup 1972# for async_pool speedup
1882void 1973void
1883_pool_1 (SV *cb) 1974_pool_1 (SV *cb)
1884 CODE: 1975 CODE:
1885{ 1976{
1889 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 1980 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1890 AV *invoke_av; 1981 AV *invoke_av;
1891 int i, len; 1982 int i, len;
1892 1983
1893 if (!invoke) 1984 if (!invoke)
1985 {
1986 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1894 croak ("\3async_pool terminate\2\n"); 1987 croak ("\3async_pool terminate\2\n");
1988 }
1895 1989
1896 SvREFCNT_dec (coro->saved_deffh); 1990 SvREFCNT_dec (coro->saved_deffh);
1897 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 1991 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1898 1992
1899 hv_store (hv, "desc", sizeof ("desc") - 1, 1993 hv_store (hv, "desc", sizeof ("desc") - 1,
1925 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2019 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1926 coro->saved_deffh = 0; 2020 coro->saved_deffh = 0;
1927 2021
1928 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2022 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1929 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2023 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2024 {
2025 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1930 croak ("\3async_pool terminate\2\n"); 2026 croak ("\3async_pool terminate\2\n");
2027 }
1931 2028
1932 av_clear (GvAV (PL_defgv)); 2029 av_clear (GvAV (PL_defgv));
1933 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 2030 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1934 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 2031 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1935 2032
1974 PL_laststype = data->laststype; 2071 PL_laststype = data->laststype;
1975 PL_laststatval = data->laststatval; 2072 PL_laststatval = data->laststatval;
1976 PL_statcache = data->statcache; 2073 PL_statcache = data->statcache;
1977} 2074}
1978 2075
2076
2077MODULE = Coro::State PACKAGE = Coro::AnyEvent
2078
2079BOOT:
2080 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2081
2082SV *
2083_schedule ()
2084 PROTOTYPE: @
2085 CODE:
2086{
2087 static int incede;
2088
2089 api_cede_notself ();
2090
2091 ++incede;
2092 while (coro_nready >= incede && api_cede ())
2093 ;
2094
2095 sv_setsv (sv_activity, &PL_sv_undef);
2096 if (coro_nready >= incede)
2097 {
2098 PUSHMARK (SP);
2099 PUTBACK;
2100 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2101 SPAGAIN;
2102 }
2103
2104 --incede;
2105}
2106

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