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Comparing Coro/Coro/State.xs (file contents):
Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs.
Revision 1.249 by root, Tue Sep 30 17:12:35 2008 UTC

4#define PERL_EXT 4#define PERL_EXT
5 5
6#include "EXTERN.h" 6#include "EXTERN.h"
7#include "perl.h" 7#include "perl.h"
8#include "XSUB.h" 8#include "XSUB.h"
9#include "perliol.h"
9 10
10#include "patchlevel.h" 11#include "patchlevel.h"
11 12
12#include <stdio.h> 13#include <stdio.h>
13#include <errno.h> 14#include <errno.h>
14#include <assert.h> 15#include <assert.h>
16
17#ifdef WIN32
18# undef setjmp
19# undef longjmp
20# undef _exit
21# define setjmp _setjmp // deep magic, don't ask
22#else
15#include <inttypes.h> /* portable stdint.h */ 23# include <inttypes.h> /* most portable stdint.h */
24#endif
16 25
17#ifdef HAVE_MMAP 26#ifdef HAVE_MMAP
18# include <unistd.h> 27# include <unistd.h>
19# include <sys/mman.h> 28# include <sys/mman.h>
20# ifndef MAP_ANONYMOUS 29# ifndef MAP_ANONYMOUS
139#endif 148#endif
140 149
141/* helper storage struct for Coro::AIO */ 150/* helper storage struct for Coro::AIO */
142struct io_state 151struct io_state
143{ 152{
153 AV *res;
144 int errorno; 154 int errorno;
145 I32 laststype; 155 I32 laststype;
146 int laststatval; 156 int laststatval;
147 Stat_t statcache; 157 Stat_t statcache;
148}; 158};
159
160static double (*nvtime)(); /* so why doesn't it take void? */
149 161
150static size_t coro_stacksize = CORO_STACKSIZE; 162static size_t coro_stacksize = CORO_STACKSIZE;
151static struct CoroAPI coroapi; 163static struct CoroAPI coroapi;
152static AV *main_mainstack; /* used to differentiate between $main and others */ 164static AV *main_mainstack; /* used to differentiate between $main and others */
153static JMPENV *main_top_env; 165static JMPENV *main_top_env;
162 174
163/* async_pool helper stuff */ 175/* async_pool helper stuff */
164static SV *sv_pool_rss; 176static SV *sv_pool_rss;
165static SV *sv_pool_size; 177static SV *sv_pool_size;
166static AV *av_async_pool; 178static AV *av_async_pool;
179
180/* Coro::AnyEvent */
181static SV *sv_activity;
167 182
168static struct coro_cctx *cctx_first; 183static struct coro_cctx *cctx_first;
169static int cctx_count, cctx_idle; 184static int cctx_count, cctx_idle;
170 185
171enum { 186enum {
257#define PRIO_IDLE -3 272#define PRIO_IDLE -3
258#define PRIO_MIN -4 273#define PRIO_MIN -4
259 274
260/* for Coro.pm */ 275/* for Coro.pm */
261static SV *coro_current; 276static SV *coro_current;
277static SV *coro_readyhook;
262static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 278static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
263static int coro_nready; 279static int coro_nready;
264static struct coro *coro_first; 280static struct coro *coro_first;
265 281
266/** lowlevel stuff **********************************************************/ 282/** lowlevel stuff **********************************************************/
267 283
268static SV * 284static SV *
269coro_get_sv (pTHX_ const char *name, int create) 285coro_get_sv (pTHX_ const char *name, int create)
270{ 286{
271#if PERL_VERSION_ATLEAST (5,9,0) 287#if PERL_VERSION_ATLEAST (5,10,0)
272 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 288 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
273 get_sv (name, create); 289 get_sv (name, create);
274#endif 290#endif
275 return get_sv (name, create); 291 return get_sv (name, create);
276} 292}
277 293
278static AV * 294static AV *
279coro_get_av (pTHX_ const char *name, int create) 295coro_get_av (pTHX_ const char *name, int create)
280{ 296{
281#if PERL_VERSION_ATLEAST (5,9,0) 297#if PERL_VERSION_ATLEAST (5,10,0)
282 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 298 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
283 get_av (name, create); 299 get_av (name, create);
284#endif 300#endif
285 return get_av (name, create); 301 return get_av (name, create);
286} 302}
287 303
288static HV * 304static HV *
289coro_get_hv (pTHX_ const char *name, int create) 305coro_get_hv (pTHX_ const char *name, int create)
290{ 306{
291#if PERL_VERSION_ATLEAST (5,9,0) 307#if PERL_VERSION_ATLEAST (5,10,0)
292 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 308 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
293 get_hv (name, create); 309 get_hv (name, create);
294#endif 310#endif
295 return get_hv (name, create); 311 return get_hv (name, create);
296} 312}
301 AV *padlist = CvPADLIST (cv); 317 AV *padlist = CvPADLIST (cv);
302 AV *newpadlist, *newpad; 318 AV *newpadlist, *newpad;
303 319
304 newpadlist = newAV (); 320 newpadlist = newAV ();
305 AvREAL_off (newpadlist); 321 AvREAL_off (newpadlist);
306#if PERL_VERSION_ATLEAST (5,9,0) 322#if PERL_VERSION_ATLEAST (5,10,0)
307 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 323 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
308#else 324#else
309 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 325 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310#endif 326#endif
311 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 327 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312 --AvFILLp (padlist); 328 --AvFILLp (padlist);
313 329
314 av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); 330 av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315 av_store (newpadlist, 1, (SV *)newpad); 331 av_store (newpadlist, 1, (SV *)newpad);
316 332
317 return newpadlist; 333 return newpadlist;
318} 334}
319 335
349 365
350 /* casting is fun. */ 366 /* casting is fun. */
351 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 367 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
352 free_padlist (aTHX_ padlist); 368 free_padlist (aTHX_ padlist);
353 369
370 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
371
354 return 0; 372 return 0;
355} 373}
356 374
357#define CORO_MAGIC_type_cv PERL_MAGIC_ext 375#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358#define CORO_MAGIC_type_state PERL_MAGIC_ext 376#define CORO_MAGIC_type_state PERL_MAGIC_ext
408 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 426 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 427 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410 else 428 else
411 { 429 {
412#if CORO_PREFER_PERL_FUNCTIONS 430#if CORO_PREFER_PERL_FUNCTIONS
413 /* this is probably cleaner, but also slower? */ 431 /* this is probably cleaner? but also slower! */
432 /* in practise, it seems to be less stable */
414 CV *cp = Perl_cv_clone (cv); 433 CV *cp = Perl_cv_clone (cv);
415 CvPADLIST (cv) = CvPADLIST (cp); 434 CvPADLIST (cv) = CvPADLIST (cp);
416 CvPADLIST (cp) = 0; 435 CvPADLIST (cp) = 0;
417 SvREFCNT_dec (cp); 436 SvREFCNT_dec (cp);
418#else 437#else
502 521
503 if (expect_true (CvDEPTH (cv))) 522 if (expect_true (CvDEPTH (cv)))
504 { 523 {
505 EXTEND (SP, 3); 524 EXTEND (SP, 3);
506 PUSHs ((SV *)CvPADLIST (cv)); 525 PUSHs ((SV *)CvPADLIST (cv));
507 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 526 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508 PUSHs ((SV *)cv); 527 PUSHs ((SV *)cv);
509 528
510 CvDEPTH (cv) = 0; 529 CvDEPTH (cv) = 0;
511 get_padlist (aTHX_ cv); 530 get_padlist (aTHX_ cv);
512 } 531 }
592 611
593 New(54,PL_savestack,24,ANY); 612 New(54,PL_savestack,24,ANY);
594 PL_savestack_ix = 0; 613 PL_savestack_ix = 0;
595 PL_savestack_max = 24; 614 PL_savestack_max = 24;
596 615
597#if !PERL_VERSION_ATLEAST (5,9,0) 616#if !PERL_VERSION_ATLEAST (5,10,0)
598 New(54,PL_retstack,4,OP*); 617 New(54,PL_retstack,4,OP*);
599 PL_retstack_ix = 0; 618 PL_retstack_ix = 0;
600 PL_retstack_max = 4; 619 PL_retstack_max = 4;
601#endif 620#endif
602} 621}
625 644
626 Safefree (PL_tmps_stack); 645 Safefree (PL_tmps_stack);
627 Safefree (PL_markstack); 646 Safefree (PL_markstack);
628 Safefree (PL_scopestack); 647 Safefree (PL_scopestack);
629 Safefree (PL_savestack); 648 Safefree (PL_savestack);
630#if !PERL_VERSION_ATLEAST (5,9,0) 649#if !PERL_VERSION_ATLEAST (5,10,0)
631 Safefree (PL_retstack); 650 Safefree (PL_retstack);
632#endif 651#endif
633} 652}
634 653
635static size_t 654static size_t
651 #undef VAR 670 #undef VAR
652 } 671 }
653 else 672 else
654 slot = coro->slot; 673 slot = coro->slot;
655 674
675 if (slot)
676 {
656 rss += sizeof (slot->curstackinfo); 677 rss += sizeof (slot->curstackinfo);
657 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 678 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); 679 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659 rss += slot->tmps_max * sizeof (SV *); 680 rss += slot->tmps_max * sizeof (SV *);
660 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 681 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661 rss += slot->scopestack_max * sizeof (I32); 682 rss += slot->scopestack_max * sizeof (I32);
662 rss += slot->savestack_max * sizeof (ANY); 683 rss += slot->savestack_max * sizeof (ANY);
663 684
664#if !PERL_VERSION_ATLEAST (5,9,0) 685#if !PERL_VERSION_ATLEAST (5,10,0)
665 rss += slot->retstack_max * sizeof (OP *); 686 rss += slot->retstack_max * sizeof (OP *);
666#endif 687#endif
688 }
667 } 689 }
668 690
669 return rss; 691 return rss;
670} 692}
671 693
672/** coroutine stack handling ************************************************/ 694/** coroutine stack handling ************************************************/
673 695
674static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); 696static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg);
675static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); 697static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg);
698static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg);
699
700/* apparently < 5.8.8 */
701#ifndef MgPV_nolen_const
702#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
703 SvPV_nolen((SV*)((mg)->mg_ptr)) : \
704 (const char*)(mg)->mg_ptr)
705#endif
676 706
677/* 707/*
678 * This overrides the default magic get method of %SIG elements. 708 * This overrides the default magic get method of %SIG elements.
679 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 709 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680 * and instead of tryign to save and restore the hash elements, we just provide 710 * and instead of tryign to save and restore the hash elements, we just provide
688{ 718{
689 const char *s = MgPV_nolen_const (mg); 719 const char *s = MgPV_nolen_const (mg);
690 720
691 if (*s == '_') 721 if (*s == '_')
692 { 722 {
693 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; 723 SV **svp = 0;
694 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; 724
725 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
726 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
727
728 if (svp)
729 {
730 sv_setsv (sv, *svp ? *svp : &PL_sv_undef);
731 return 0;
732 }
695 } 733 }
696 734
697 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 735 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
736}
737
738static int
739coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
740{
741 const char *s = MgPV_nolen_const (mg);
742
743 if (*s == '_')
744 {
745 SV **svp = 0;
746
747 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
748 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
749
750 if (svp)
751 {
752 SV *old = *svp;
753 *svp = 0;
754 SvREFCNT_dec (old);
755 return 0;
756 }
757 }
758
759 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698} 760}
699 761
700static int 762static int
701coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) 763coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
702{ 764{
712 if (svp) 774 if (svp)
713 { 775 {
714 SV *old = *svp; 776 SV *old = *svp;
715 *svp = newSVsv (sv); 777 *svp = newSVsv (sv);
716 SvREFCNT_dec (old); 778 SvREFCNT_dec (old);
717 return; 779 return 0;
718 } 780 }
719 } 781 }
720 782
721 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; 783 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722} 784}
736 PL_curpm = 0; 798 PL_curpm = 0;
737 PL_curpad = 0; 799 PL_curpad = 0;
738 PL_localizing = 0; 800 PL_localizing = 0;
739 PL_dirty = 0; 801 PL_dirty = 0;
740 PL_restartop = 0; 802 PL_restartop = 0;
803#if PERL_VERSION_ATLEAST (5,10,0)
804 PL_parser = 0;
805#endif
741 806
742 /* recreate the die/warn hooks */ 807 /* recreate the die/warn hooks */
743 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); 808 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
744 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); 809 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
745 810
746 GvSV (PL_defgv) = newSV (0); 811 GvSV (PL_defgv) = newSV (0);
747 GvAV (PL_defgv) = coro->args; coro->args = 0; 812 GvAV (PL_defgv) = coro->args; coro->args = 0;
748 GvSV (PL_errgv) = newSV (0); 813 GvSV (PL_errgv) = newSV (0);
749 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 814 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
750 PL_rs = newSVsv (GvSV (irsgv)); 815 PL_rs = newSVsv (GvSV (irsgv));
751 PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); 816 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
752 817
753 { 818 {
754 dSP; 819 dSP;
755 LOGOP myop; 820 LOGOP myop;
756 821
852 : cx->blk_gimme == G_SCALAR ? bot + 1 917 : cx->blk_gimme == G_SCALAR ? bot + 1
853 : bot; 918 : bot;
854 919
855 av_extend (av, top - bot); 920 av_extend (av, top - bot);
856 while (bot < top) 921 while (bot < top)
857 av_push (av, SvREFCNT_inc (*bot++)); 922 av_push (av, SvREFCNT_inc_NN (*bot++));
858 923
859 PL_runops = RUNOPS_DEFAULT; 924 PL_runops = RUNOPS_DEFAULT;
860 ENTER; 925 ENTER;
861 SAVETMPS; 926 SAVETMPS;
862 EXTEND (SP, 3); 927 EXTEND (SP, 3);
1126 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1191 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1127 1192
1128 if (expect_false (next->flags & CF_DESTROYED)) 1193 if (expect_false (next->flags & CF_DESTROYED))
1129 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1194 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1130 1195
1131 if (
1132#if PERL_VERSION_ATLEAST (5,9,0) 1196#if !PERL_VERSION_ATLEAST (5,10,0)
1133 expect_false (PL_parser && PL_parser->lex_state != LEX_NOTPARSING)
1134#else
1135 expect_false (PL_lex_state != LEX_NOTPARSING) 1197 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136#endif
1137 )
1138 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1198 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1199#endif
1139 } 1200 }
1140} 1201}
1141 1202
1142/* always use the TRANSFER macro */ 1203/* always use the TRANSFER macro */
1143static void NOINLINE 1204static void NOINLINE
1144transfer (pTHX_ struct coro *prev, struct coro *next) 1205transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1145{ 1206{
1146 dSTACKLEVEL; 1207 dSTACKLEVEL;
1147 static volatile int has_throw; 1208 static volatile int has_throw;
1148 1209
1149 /* sometimes transfer is only called to set idle_sp */ 1210 /* sometimes transfer is only called to set idle_sp */
1183 load_perl (aTHX_ next); 1244 load_perl (aTHX_ next);
1184 1245
1185 prev__cctx = prev->cctx; 1246 prev__cctx = prev->cctx;
1186 1247
1187 /* possibly "free" the cctx */ 1248 /* possibly "free" the cctx */
1188 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1249 if (expect_true (
1250 prev__cctx->idle_sp == STACKLEVEL
1251 && !(prev__cctx->flags & CC_TRACE)
1252 && !force_cctx
1253 ))
1189 { 1254 {
1190 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1255 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1191 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1256 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1192 1257
1193 prev->cctx = 0; 1258 prev->cctx = 0;
1236struct transfer_args 1301struct transfer_args
1237{ 1302{
1238 struct coro *prev, *next; 1303 struct coro *prev, *next;
1239}; 1304};
1240 1305
1241#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1306#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1242#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1307#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1243 1308
1244/** high level stuff ********************************************************/ 1309/** high level stuff ********************************************************/
1245 1310
1246static int 1311static int
1340{ 1405{
1341 dTHX; 1406 dTHX;
1342 struct transfer_args ta; 1407 struct transfer_args ta;
1343 1408
1344 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1409 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1345 TRANSFER (ta); 1410 TRANSFER (ta, 1);
1346} 1411}
1347 1412
1348/** Coro ********************************************************************/ 1413/** Coro ********************************************************************/
1349 1414
1350static void 1415static void
1368static int 1433static int
1369api_ready (SV *coro_sv) 1434api_ready (SV *coro_sv)
1370{ 1435{
1371 dTHX; 1436 dTHX;
1372 struct coro *coro; 1437 struct coro *coro;
1438 SV *sv_hook;
1439 void (*xs_hook)(void);
1373 1440
1374 if (SvROK (coro_sv)) 1441 if (SvROK (coro_sv))
1375 coro_sv = SvRV (coro_sv); 1442 coro_sv = SvRV (coro_sv);
1376 1443
1377 coro = SvSTATE (coro_sv); 1444 coro = SvSTATE (coro_sv);
1380 return 0; 1447 return 0;
1381 1448
1382 coro->flags |= CF_READY; 1449 coro->flags |= CF_READY;
1383 1450
1384 LOCK; 1451 LOCK;
1452
1453 sv_hook = coro_nready ? 0 : coro_readyhook;
1454 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1455
1385 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1456 coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1386 ++coro_nready; 1457 ++coro_nready;
1458
1387 UNLOCK; 1459 UNLOCK;
1460
1461 if (sv_hook)
1462 {
1463 dSP;
1464
1465 ENTER;
1466 SAVETMPS;
1467
1468 PUSHMARK (SP);
1469 PUTBACK;
1470 call_sv (sv_hook, G_DISCARD);
1471 SPAGAIN;
1472
1473 FREETMPS;
1474 LEAVE;
1475 }
1476
1477 if (xs_hook)
1478 xs_hook ();
1388 1479
1389 return 1; 1480 return 1;
1390} 1481}
1391 1482
1392static int 1483static int
1481{ 1572{
1482 dTHX; 1573 dTHX;
1483 struct transfer_args ta; 1574 struct transfer_args ta;
1484 1575
1485 prepare_schedule (aTHX_ &ta); 1576 prepare_schedule (aTHX_ &ta);
1486 TRANSFER (ta); 1577 TRANSFER (ta, 1);
1487} 1578}
1488 1579
1489static int 1580static int
1490api_cede (void) 1581api_cede (void)
1491{ 1582{
1494 1585
1495 prepare_cede (aTHX_ &ta); 1586 prepare_cede (aTHX_ &ta);
1496 1587
1497 if (expect_true (ta.prev != ta.next)) 1588 if (expect_true (ta.prev != ta.next))
1498 { 1589 {
1499 TRANSFER (ta); 1590 TRANSFER (ta, 1);
1500 return 1; 1591 return 1;
1501 } 1592 }
1502 else 1593 else
1503 return 0; 1594 return 0;
1504} 1595}
1509 dTHX; 1600 dTHX;
1510 struct transfer_args ta; 1601 struct transfer_args ta;
1511 1602
1512 if (prepare_cede_notself (aTHX_ &ta)) 1603 if (prepare_cede_notself (aTHX_ &ta))
1513 { 1604 {
1514 TRANSFER (ta); 1605 TRANSFER (ta, 1);
1515 return 1; 1606 return 1;
1516 } 1607 }
1517 else 1608 else
1518 return 0; 1609 return 0;
1519} 1610}
1542 else 1633 else
1543 coro->slot->runops = RUNOPS_DEFAULT; 1634 coro->slot->runops = RUNOPS_DEFAULT;
1544 } 1635 }
1545} 1636}
1546 1637
1638static int
1639coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1640{
1641 AV *padlist;
1642 AV *av = (AV *)mg->mg_obj;
1643
1644 abort ();
1645
1646 return 0;
1647}
1648
1649static MGVTBL coro_gensub_vtbl = {
1650 0, 0, 0, 0,
1651 coro_gensub_free
1652};
1653
1654/*****************************************************************************/
1655/* PerlIO::cede */
1656
1657typedef struct
1658{
1659 PerlIOBuf base;
1660 NV next, every;
1661} PerlIOCede;
1662
1663static IV
1664PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
1665{
1666 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1667
1668 self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
1669 self->next = nvtime () + self->every;
1670
1671 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
1672}
1673
1674static SV *
1675PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
1676{
1677 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1678
1679 return newSVnv (self->every);
1680}
1681
1682static IV
1683PerlIOCede_flush (pTHX_ PerlIO *f)
1684{
1685 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1686 double now = nvtime ();
1687
1688 if (now >= self->next)
1689 {
1690 api_cede ();
1691 self->next = now + self->every;
1692 }
1693
1694 return PerlIOBuf_flush (aTHX_ f);
1695}
1696
1697static PerlIO_funcs PerlIO_cede =
1698{
1699 sizeof(PerlIO_funcs),
1700 "cede",
1701 sizeof(PerlIOCede),
1702 PERLIO_K_DESTRUCT | PERLIO_K_RAW,
1703 PerlIOCede_pushed,
1704 PerlIOBuf_popped,
1705 PerlIOBuf_open,
1706 PerlIOBase_binmode,
1707 PerlIOCede_getarg,
1708 PerlIOBase_fileno,
1709 PerlIOBuf_dup,
1710 PerlIOBuf_read,
1711 PerlIOBuf_unread,
1712 PerlIOBuf_write,
1713 PerlIOBuf_seek,
1714 PerlIOBuf_tell,
1715 PerlIOBuf_close,
1716 PerlIOCede_flush,
1717 PerlIOBuf_fill,
1718 PerlIOBase_eof,
1719 PerlIOBase_error,
1720 PerlIOBase_clearerr,
1721 PerlIOBase_setlinebuf,
1722 PerlIOBuf_get_base,
1723 PerlIOBuf_bufsiz,
1724 PerlIOBuf_get_ptr,
1725 PerlIOBuf_get_cnt,
1726 PerlIOBuf_set_ptrcnt,
1727};
1728
1729
1547MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1730MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1548 1731
1549PROTOTYPES: DISABLE 1732PROTOTYPES: DISABLE
1550 1733
1551BOOT: 1734BOOT:
1556 BOOT_PAGESIZE; 1739 BOOT_PAGESIZE;
1557 1740
1558 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1741 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1559 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1742 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1560 1743
1561 orig_sigelem_get = PL_vtbl_sigelem.svt_get; 1744 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1562 PL_vtbl_sigelem.svt_get = coro_sigelem_get; 1745 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1563 orig_sigelem_set = PL_vtbl_sigelem.svt_set; 1746 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1564 PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1565 1747
1566 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); 1748 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1567 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); 1749 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1568 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); 1750 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1569 1751
1578 main_top_env = PL_top_env; 1760 main_top_env = PL_top_env;
1579 1761
1580 while (main_top_env->je_prev) 1762 while (main_top_env->je_prev)
1581 main_top_env = main_top_env->je_prev; 1763 main_top_env = main_top_env->je_prev;
1582 1764
1583 coroapi.ver = CORO_API_VERSION; 1765 coroapi.ver = CORO_API_VERSION;
1584 coroapi.rev = CORO_API_REVISION; 1766 coroapi.rev = CORO_API_REVISION;
1585 coroapi.transfer = api_transfer; 1767 coroapi.transfer = api_transfer;
1768
1769 {
1770 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
1771
1772 if (!svp) croak ("Time::HiRes is required");
1773 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
1774
1775 nvtime = INT2PTR (double (*)(), SvIV (*svp));
1776 }
1586 1777
1587 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1778 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1588} 1779}
1589 1780
1590SV * 1781SV *
1661 } 1852 }
1662 SPAGAIN; 1853 SPAGAIN;
1663 1854
1664 BARRIER; 1855 BARRIER;
1665 PUTBACK; 1856 PUTBACK;
1666 TRANSFER (ta); 1857 TRANSFER (ta, 0);
1667 SPAGAIN; /* might be the sp of a different coroutine now */ 1858 SPAGAIN; /* might be the sp of a different coroutine now */
1668 /* be extra careful not to ever do anything after TRANSFER */ 1859 /* be extra careful not to ever do anything after TRANSFER */
1669} 1860}
1670 1861
1671bool 1862bool
1674 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1865 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1675 OUTPUT: 1866 OUTPUT:
1676 RETVAL 1867 RETVAL
1677 1868
1678void 1869void
1679_exit (code) 1870_exit (int code)
1680 int code
1681 PROTOTYPE: $ 1871 PROTOTYPE: $
1682 CODE: 1872 CODE:
1683 _exit (code); 1873 _exit (code);
1684 1874
1685int 1875int
1719call (Coro::State coro, SV *coderef) 1909call (Coro::State coro, SV *coderef)
1720 ALIAS: 1910 ALIAS:
1721 eval = 1 1911 eval = 1
1722 CODE: 1912 CODE:
1723{ 1913{
1724 if (coro->mainstack) 1914 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
1725 { 1915 {
1726 struct coro temp; 1916 struct coro temp;
1727 1917
1728 if (!(coro->flags & CF_RUNNING)) 1918 if (!(coro->flags & CF_RUNNING))
1729 { 1919 {
1776 1966
1777void 1967void
1778api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1968api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1779 1969
1780SV * 1970SV *
1781has_stack (Coro::State coro) 1971has_cctx (Coro::State coro)
1782 PROTOTYPE: $ 1972 PROTOTYPE: $
1783 CODE: 1973 CODE:
1784 RETVAL = boolSV (!!coro->cctx); 1974 RETVAL = boolSV (!!coro->cctx);
1785 OUTPUT: 1975 OUTPUT:
1786 RETVAL 1976 RETVAL
1805 case 1: RETVAL = coro->usecount; break; 1995 case 1: RETVAL = coro->usecount; break;
1806 } 1996 }
1807 OUTPUT: 1997 OUTPUT:
1808 RETVAL 1998 RETVAL
1809 1999
2000void
2001force_cctx ()
2002 CODE:
2003 struct coro *coro = SvSTATE (coro_current);
2004 coro->cctx->idle_sp = 0;
2005
2006void
2007throw (Coro::State self, SV *throw = &PL_sv_undef)
2008 PROTOTYPE: $;$
2009 CODE:
2010 SvREFCNT_dec (self->throw);
2011 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2012
2013void
2014swap_defsv (Coro::State self)
2015 PROTOTYPE: $
2016 ALIAS:
2017 swap_defav = 1
2018 CODE:
2019 if (!self->slot)
2020 croak ("cannot swap state with coroutine that has no saved state");
2021 else
2022 {
2023 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
2024 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2025
2026 SV *tmp = *src; *src = *dst; *dst = tmp;
2027 }
1810 2028
1811MODULE = Coro::State PACKAGE = Coro 2029MODULE = Coro::State PACKAGE = Coro
1812 2030
1813BOOT: 2031BOOT:
1814{ 2032{
1815 int i; 2033 int i;
1816 2034
2035 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1817 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 2036 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1818 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 2037 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1819 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1820 2038
1821 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); 2039 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1822 SvREADONLY_on (coro_current); 2040 SvREADONLY_on (coro_current);
1823 2041
1824 coro_stash = gv_stashpv ("Coro", TRUE); 2042 coro_stash = gv_stashpv ("Coro", TRUE);
1854void 2072void
1855_set_current (SV *current) 2073_set_current (SV *current)
1856 PROTOTYPE: $ 2074 PROTOTYPE: $
1857 CODE: 2075 CODE:
1858 SvREFCNT_dec (SvRV (coro_current)); 2076 SvREFCNT_dec (SvRV (coro_current));
1859 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 2077 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
2078
2079void
2080_set_readyhook (SV *hook)
2081 PROTOTYPE: $
2082 CODE:
2083 LOCK;
2084 SvREFCNT_dec (coro_readyhook);
2085 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
2086 UNLOCK;
1860 2087
1861int 2088int
1862prio (Coro::State coro, int newprio = 0) 2089prio (Coro::State coro, int newprio = 0)
1863 ALIAS: 2090 ALIAS:
1864 nice = 1 2091 nice = 1
1894 CODE: 2121 CODE:
1895 RETVAL = coro_nready; 2122 RETVAL = coro_nready;
1896 OUTPUT: 2123 OUTPUT:
1897 RETVAL 2124 RETVAL
1898 2125
1899void
1900throw (Coro::State self, SV *throw = &PL_sv_undef)
1901 PROTOTYPE: $;$
1902 CODE:
1903 SvREFCNT_dec (self->throw);
1904 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1905
1906# for async_pool speedup 2126# for async_pool speedup
1907void 2127void
1908_pool_1 (SV *cb) 2128_pool_1 (SV *cb)
1909 CODE: 2129 CODE:
1910{ 2130{
1915 AV *invoke_av; 2135 AV *invoke_av;
1916 int i, len; 2136 int i, len;
1917 2137
1918 if (!invoke) 2138 if (!invoke)
1919 { 2139 {
1920 SvREFCNT_dec (PL_diehook); PL_diehook = 0; 2140 SV *old = PL_diehook;
2141 PL_diehook = 0;
2142 SvREFCNT_dec (old);
1921 croak ("\3async_pool terminate\2\n"); 2143 croak ("\3async_pool terminate\2\n");
1922 } 2144 }
1923 2145
1924 SvREFCNT_dec (coro->saved_deffh); 2146 SvREFCNT_dec (coro->saved_deffh);
1925 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2147 coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1926 2148
1927 hv_store (hv, "desc", sizeof ("desc") - 1, 2149 hv_store (hv, "desc", sizeof ("desc") - 1,
1928 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); 2150 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1929 2151
1930 invoke_av = (AV *)SvRV (invoke); 2152 invoke_av = (AV *)SvRV (invoke);
1934 2156
1935 if (len > 0) 2157 if (len > 0)
1936 { 2158 {
1937 av_fill (defav, len - 1); 2159 av_fill (defav, len - 1);
1938 for (i = 0; i < len; ++i) 2160 for (i = 0; i < len; ++i)
1939 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); 2161 av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1940 } 2162 }
1941 2163
1942 SvREFCNT_dec (invoke); 2164 SvREFCNT_dec (invoke);
1943} 2165}
1944 2166
1954 coro->saved_deffh = 0; 2176 coro->saved_deffh = 0;
1955 2177
1956 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2178 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1957 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2179 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1958 { 2180 {
1959 SvREFCNT_dec (PL_diehook); PL_diehook = 0; 2181 SV *old = PL_diehook;
2182 PL_diehook = 0;
2183 SvREFCNT_dec (old);
1960 croak ("\3async_pool terminate\2\n"); 2184 croak ("\3async_pool terminate\2\n");
1961 } 2185 }
1962 2186
1963 av_clear (GvAV (PL_defgv)); 2187 av_clear (GvAV (PL_defgv));
1964 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 2188 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1970 api_trace (coro_current, 0); 2194 api_trace (coro_current, 0);
1971 2195
1972 av_push (av_async_pool, newSVsv (coro_current)); 2196 av_push (av_async_pool, newSVsv (coro_current));
1973} 2197}
1974 2198
2199#if 0
2200
2201void
2202_generator_call (...)
2203 PROTOTYPE: @
2204 PPCODE:
2205 fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
2206 xxxx
2207 abort ();
2208
2209SV *
2210gensub (SV *sub, ...)
2211 PROTOTYPE: &;@
2212 CODE:
2213{
2214 struct coro *coro;
2215 MAGIC *mg;
2216 CV *xcv;
2217 CV *ncv = (CV *)newSV_type (SVt_PVCV);
2218 int i;
2219
2220 CvGV (ncv) = CvGV (cv);
2221 CvFILE (ncv) = CvFILE (cv);
2222
2223 Newz (0, coro, 1, struct coro);
2224 coro->args = newAV ();
2225 coro->flags = CF_NEW;
2226
2227 av_extend (coro->args, items - 1);
2228 for (i = 1; i < items; i++)
2229 av_push (coro->args, newSVsv (ST (i)));
2230
2231 CvISXSUB_on (ncv);
2232 CvXSUBANY (ncv).any_ptr = (void *)coro;
2233
2234 xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
2235
2236 CvXSUB (ncv) = CvXSUB (xcv);
2237 CvANON_on (ncv);
2238
2239 mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0);
2240 RETVAL = newRV_noinc ((SV *)ncv);
2241}
2242 OUTPUT:
2243 RETVAL
2244
2245#endif
2246
1975 2247
1976MODULE = Coro::State PACKAGE = Coro::AIO 2248MODULE = Coro::State PACKAGE = Coro::AIO
1977 2249
1978SV * 2250void
1979_get_state () 2251_get_state (SV *self)
1980 CODE: 2252 PPCODE:
1981{ 2253{
1982 struct io_state *data; 2254 AV *defav = GvAV (PL_defgv);
1983 2255 AV *av = newAV ();
2256 int i;
1984 RETVAL = newSV (sizeof (struct io_state)); 2257 SV *data_sv = newSV (sizeof (struct io_state));
1985 data = (struct io_state *)SvPVX (RETVAL); 2258 struct io_state *data = (struct io_state *)SvPVX (data_sv);
1986 SvCUR_set (RETVAL, sizeof (struct io_state)); 2259 SvCUR_set (data_sv, sizeof (struct io_state));
1987 SvPOK_only (RETVAL); 2260 SvPOK_only (data_sv);
1988 2261
1989 data->errorno = errno; 2262 data->errorno = errno;
1990 data->laststype = PL_laststype; 2263 data->laststype = PL_laststype;
1991 data->laststatval = PL_laststatval; 2264 data->laststatval = PL_laststatval;
1992 data->statcache = PL_statcache; 2265 data->statcache = PL_statcache;
2266
2267 av_extend (av, AvFILLp (defav) + 1 + 1);
2268
2269 for (i = 0; i <= AvFILLp (defav); ++i)
2270 av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
2271
2272 av_push (av, data_sv);
2273
2274 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
2275
2276 api_ready (self);
1993} 2277}
1994 OUTPUT:
1995 RETVAL
1996 2278
1997void 2279void
1998_set_state (char *data_) 2280_set_state (SV *state)
1999 PROTOTYPE: $ 2281 PROTOTYPE: $
2000 CODE: 2282 PPCODE:
2001{ 2283{
2002 struct io_state *data = (void *)data_; 2284 AV *av = (AV *)SvRV (state);
2285 struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]);
2286 int i;
2003 2287
2004 errno = data->errorno; 2288 errno = data->errorno;
2005 PL_laststype = data->laststype; 2289 PL_laststype = data->laststype;
2006 PL_laststatval = data->laststatval; 2290 PL_laststatval = data->laststatval;
2007 PL_statcache = data->statcache; 2291 PL_statcache = data->statcache;
2008}
2009 2292
2293 EXTEND (SP, AvFILLp (av));
2294 for (i = 0; i < AvFILLp (av); ++i)
2295 PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
2296}
2297
2298
2299MODULE = Coro::State PACKAGE = Coro::AnyEvent
2300
2301BOOT:
2302 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2303
2304SV *
2305_schedule (...)
2306 PROTOTYPE: @
2307 CODE:
2308{
2309 static int incede;
2310
2311 api_cede_notself ();
2312
2313 ++incede;
2314 while (coro_nready >= incede && api_cede ())
2315 ;
2316
2317 sv_setsv (sv_activity, &PL_sv_undef);
2318 if (coro_nready >= incede)
2319 {
2320 PUSHMARK (SP);
2321 PUTBACK;
2322 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2323 SPAGAIN;
2324 }
2325
2326 --incede;
2327}
2328
2329
2330MODULE = Coro::State PACKAGE = PerlIO::cede
2331
2332BOOT:
2333 PerlIO_define_layer (aTHX_ &PerlIO_cede);

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