ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/Coro/State.xs
(Generate patch)

Comparing Coro/Coro/State.xs (file contents):
Revision 1.244 by root, Sun Sep 21 18:29:39 2008 UTC vs.
Revision 1.261 by root, Mon Nov 10 05:09:30 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>
51#else 52#else
52# define REGISTER_STACK(cctx,start,end) 53# define REGISTER_STACK(cctx,start,end)
53#endif 54#endif
54 55
55/* the maximum number of idle cctx that will be pooled */ 56/* the maximum number of idle cctx that will be pooled */
56#define MAX_IDLE_CCTX 8 57static int cctx_max_idle = 4;
57 58
58#define PERL_VERSION_ATLEAST(a,b,c) \ 59#define PERL_VERSION_ATLEAST(a,b,c) \
59 (PERL_REVISION > (a) \ 60 (PERL_REVISION > (a) \
60 || (PERL_REVISION == (a) \ 61 || (PERL_REVISION == (a) \
61 && (PERL_VERSION > (b) \ 62 && (PERL_VERSION > (b) \
80# ifndef IS_PADCONST 81# ifndef IS_PADCONST
81# define IS_PADCONST(v) 0 82# define IS_PADCONST(v) 0
82# endif 83# endif
83#endif 84#endif
84 85
86/* 5.11 */
87#ifndef CxHASARGS
88# define CxHASARGS(cx) (cx)->blk_sub.hasargs
89#endif
90
91/* 5.10.0 */
92#ifndef SvREFCNT_inc_NN
93# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
94#endif
95
85/* 5.8.8 */ 96/* 5.8.8 */
86#ifndef GV_NOTQUAL 97#ifndef GV_NOTQUAL
87# define GV_NOTQUAL 0 98# define GV_NOTQUAL 0
88#endif 99#endif
89#ifndef newSV 100#ifndef newSV
90# define newSV(l) NEWSV(0,l) 101# 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 102#endif
97 103
98/* 5.8.7 */ 104/* 5.8.7 */
99#ifndef SvRV_set 105#ifndef SvRV_set
100# define SvRV_set(s,v) SvRV(s) = (v) 106# define SvRV_set(s,v) SvRV(s) = (v)
136#define NOINLINE attribute ((noinline)) 142#define NOINLINE attribute ((noinline))
137 143
138#include "CoroAPI.h" 144#include "CoroAPI.h"
139 145
140#ifdef USE_ITHREADS 146#ifdef USE_ITHREADS
147
141static perl_mutex coro_mutex; 148static perl_mutex coro_lock;
142# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) 149# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
143# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) 150# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
151# if CORO_PTHREAD
152static void *coro_thx;
153# endif
154
144#else 155#else
156
145# define LOCK (void)0 157# define LOCK (void)0
146# define UNLOCK (void)0 158# define UNLOCK (void)0
159
147#endif 160#endif
161
162# undef LOCK
163# define LOCK (void)0
164# undef UNLOCK
165# define UNLOCK (void)0
148 166
149/* helper storage struct for Coro::AIO */ 167/* helper storage struct for Coro::AIO */
150struct io_state 168struct io_state
151{ 169{
170 AV *res;
152 int errorno; 171 int errorno;
153 I32 laststype; 172 I32 laststype; /* U16 in 5.10.0 */
154 int laststatval; 173 int laststatval;
155 Stat_t statcache; 174 Stat_t statcache;
156}; 175};
157 176
177static double (*nvtime)(); /* so why doesn't it take void? */
178
179static U32 cctx_gen;
158static size_t coro_stacksize = CORO_STACKSIZE; 180static size_t cctx_stacksize = CORO_STACKSIZE;
159static struct CoroAPI coroapi; 181static struct CoroAPI coroapi;
160static AV *main_mainstack; /* used to differentiate between $main and others */ 182static AV *main_mainstack; /* used to differentiate between $main and others */
161static JMPENV *main_top_env; 183static JMPENV *main_top_env;
162static HV *coro_state_stash, *coro_stash; 184static HV *coro_state_stash, *coro_stash;
163static volatile SV *coro_mortal; /* will be freed after next transfer */ 185static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
186static volatile struct coro *transfer_next;
187
188struct transfer_args
189{
190 struct coro *prev, *next;
191};
164 192
165static GV *irsgv; /* $/ */ 193static GV *irsgv; /* $/ */
166static GV *stdoutgv; /* *STDOUT */ 194static GV *stdoutgv; /* *STDOUT */
167static SV *rv_diehook; 195static SV *rv_diehook;
168static SV *rv_warnhook; 196static SV *rv_warnhook;
200 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 228 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
201 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 229 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */
202 JMPENV *top_env; 230 JMPENV *top_env;
203 coro_context cctx; 231 coro_context cctx;
204 232
233 U32 gen;
205#if CORO_USE_VALGRIND 234#if CORO_USE_VALGRIND
206 int valgrind_id; 235 int valgrind_id;
207#endif 236#endif
208 unsigned char flags; 237 unsigned char flags;
209} coro_cctx; 238} coro_cctx;
269#define PRIO_MIN -4 298#define PRIO_MIN -4
270 299
271/* for Coro.pm */ 300/* for Coro.pm */
272static SV *coro_current; 301static SV *coro_current;
273static SV *coro_readyhook; 302static SV *coro_readyhook;
274static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 303static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
275static int coro_nready; 304static int coro_nready;
276static struct coro *coro_first; 305static struct coro *coro_first;
277 306
278/** lowlevel stuff **********************************************************/ 307/** lowlevel stuff **********************************************************/
279 308
321 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 350 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
322#endif 351#endif
323 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 352 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
324 --AvFILLp (padlist); 353 --AvFILLp (padlist);
325 354
326 av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); 355 av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
327 av_store (newpadlist, 1, (SV *)newpad); 356 av_store (newpadlist, 1, (SV *)newpad);
328 357
329 return newpadlist; 358 return newpadlist;
330} 359}
331 360
361 390
362 /* casting is fun. */ 391 /* casting is fun. */
363 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 392 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
364 free_padlist (aTHX_ padlist); 393 free_padlist (aTHX_ padlist);
365 394
366 SvREFCNT_dec (av); 395 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
367 396
368 return 0; 397 return 0;
369} 398}
370 399
371#define CORO_MAGIC_type_cv PERL_MAGIC_ext 400#define CORO_MAGIC_type_cv PERL_MAGIC_ext
374static MGVTBL coro_cv_vtbl = { 403static MGVTBL coro_cv_vtbl = {
375 0, 0, 0, 0, 404 0, 0, 0, 0,
376 coro_cv_free 405 coro_cv_free
377}; 406};
378 407
379#define CORO_MAGIC(sv,type) \ 408#define CORO_MAGIC(sv, type) \
380 SvMAGIC (sv) \ 409 SvMAGIC (sv) \
381 ? SvMAGIC (sv)->mg_type == type \ 410 ? SvMAGIC (sv)->mg_type == type \
382 ? SvMAGIC (sv) \ 411 ? SvMAGIC (sv) \
383 : mg_find (sv, type) \ 412 : mg_find (sv, type) \
384 : 0 413 : 0
385 414
386#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 415#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
387#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) 416#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
388 417
389static struct coro * 418static struct coro *
619 648
620/* 649/*
621 * destroy the stacks, the callchain etc... 650 * destroy the stacks, the callchain etc...
622 */ 651 */
623static void 652static void
624coro_destroy_stacks (pTHX) 653coro_destruct_stacks (pTHX)
625{ 654{
626 while (PL_curstackinfo->si_next) 655 while (PL_curstackinfo->si_next)
627 PL_curstackinfo = PL_curstackinfo->si_next; 656 PL_curstackinfo = PL_curstackinfo->si_next;
628 657
629 while (PL_curstackinfo) 658 while (PL_curstackinfo)
666 #undef VAR 695 #undef VAR
667 } 696 }
668 else 697 else
669 slot = coro->slot; 698 slot = coro->slot;
670 699
700 if (slot)
701 {
671 rss += sizeof (slot->curstackinfo); 702 rss += sizeof (slot->curstackinfo);
672 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 703 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
673 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); 704 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
674 rss += slot->tmps_max * sizeof (SV *); 705 rss += slot->tmps_max * sizeof (SV *);
675 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 706 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
676 rss += slot->scopestack_max * sizeof (I32); 707 rss += slot->scopestack_max * sizeof (I32);
677 rss += slot->savestack_max * sizeof (ANY); 708 rss += slot->savestack_max * sizeof (ANY);
678 709
679#if !PERL_VERSION_ATLEAST (5,10,0) 710#if !PERL_VERSION_ATLEAST (5,10,0)
680 rss += slot->retstack_max * sizeof (OP *); 711 rss += slot->retstack_max * sizeof (OP *);
681#endif 712#endif
713 }
682 } 714 }
683 715
684 return rss; 716 return rss;
685} 717}
686 718
804 GvSV (PL_defgv) = newSV (0); 836 GvSV (PL_defgv) = newSV (0);
805 GvAV (PL_defgv) = coro->args; coro->args = 0; 837 GvAV (PL_defgv) = coro->args; coro->args = 0;
806 GvSV (PL_errgv) = newSV (0); 838 GvSV (PL_errgv) = newSV (0);
807 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 839 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
808 PL_rs = newSVsv (GvSV (irsgv)); 840 PL_rs = newSVsv (GvSV (irsgv));
809 PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); 841 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
810 842
811 { 843 {
812 dSP; 844 dSP;
813 LOGOP myop; 845 UNOP myop;
814 846
815 Zero (&myop, 1, LOGOP); 847 Zero (&myop, 1, UNOP);
816 myop.op_next = Nullop; 848 myop.op_next = Nullop;
817 myop.op_flags = OPf_WANT_VOID; 849 myop.op_flags = OPf_WANT_VOID;
818 850
819 PUSHMARK (SP); 851 PUSHMARK (SP);
820 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); 852 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
824 SPAGAIN; 856 SPAGAIN;
825 } 857 }
826 858
827 /* this newly created coroutine might be run on an existing cctx which most 859 /* this newly created coroutine might be run on an existing cctx which most
828 * likely was suspended in set_stacklevel, called from entersub. 860 * likely was suspended in set_stacklevel, called from entersub.
829 * set_stacklevl doesn't do anything on return, but entersub does LEAVE, 861 * set_stacklevel doesn't do anything on return, but entersub does LEAVE,
830 * so we ENTER here for symmetry 862 * so we ENTER here for symmetry.
831 */ 863 */
832 ENTER; 864 ENTER;
833} 865}
834 866
835static void 867static void
836coro_destroy (pTHX_ struct coro *coro) 868coro_destruct (pTHX_ struct coro *coro)
837{ 869{
838 if (!IN_DESTRUCT) 870 if (!IN_DESTRUCT)
839 { 871 {
840 /* restore all saved variables and stuff */ 872 /* restore all saved variables and stuff */
841 LEAVE_SCOPE (0); 873 LEAVE_SCOPE (0);
863 SvREFCNT_dec (PL_warnhook); 895 SvREFCNT_dec (PL_warnhook);
864 896
865 SvREFCNT_dec (coro->saved_deffh); 897 SvREFCNT_dec (coro->saved_deffh);
866 SvREFCNT_dec (coro->throw); 898 SvREFCNT_dec (coro->throw);
867 899
868 coro_destroy_stacks (aTHX); 900 coro_destruct_stacks (aTHX);
869} 901}
870 902
871static void 903static void
872free_coro_mortal (pTHX) 904free_coro_mortal (pTHX)
873{ 905{
910 : cx->blk_gimme == G_SCALAR ? bot + 1 942 : cx->blk_gimme == G_SCALAR ? bot + 1
911 : bot; 943 : bot;
912 944
913 av_extend (av, top - bot); 945 av_extend (av, top - bot);
914 while (bot < top) 946 while (bot < top)
915 av_push (av, SvREFCNT_inc (*bot++)); 947 av_push (av, SvREFCNT_inc_NN (*bot++));
916 948
917 PL_runops = RUNOPS_DEFAULT; 949 PL_runops = RUNOPS_DEFAULT;
918 ENTER; 950 ENTER;
919 SAVETMPS; 951 SAVETMPS;
920 EXTEND (SP, 3); 952 EXTEND (SP, 3);
1000 1032
1001 TAINT_NOT; 1033 TAINT_NOT;
1002 return 0; 1034 return 0;
1003} 1035}
1004 1036
1037static void
1038prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx)
1039{
1040 ta->prev = (struct coro *)cctx;
1041 ta->next = 0;
1042}
1043
1005/* inject a fake call to Coro::State::_cctx_init into the execution */ 1044/* inject a fake call to Coro::State::_cctx_init into the execution */
1006/* _cctx_init should be careful, as it could be called at almost any time */ 1045/* _cctx_init should be careful, as it could be called at almost any time */
1007/* during execution of a perl program */ 1046/* during execution of a perl program */
1047/* also initialises PL_top_env */
1008static void NOINLINE 1048static void NOINLINE
1009cctx_prepare (pTHX_ coro_cctx *cctx) 1049cctx_prepare (pTHX_ coro_cctx *cctx)
1010{ 1050{
1011 dSP; 1051 dSP;
1012 LOGOP myop; 1052 UNOP myop;
1013 1053
1014 PL_top_env = &PL_start_env; 1054 PL_top_env = &PL_start_env;
1015 1055
1016 if (cctx->flags & CC_TRACE) 1056 if (cctx->flags & CC_TRACE)
1017 PL_runops = runops_trace; 1057 PL_runops = runops_trace;
1018 1058
1019 Zero (&myop, 1, LOGOP); 1059 Zero (&myop, 1, UNOP);
1020 myop.op_next = PL_op; 1060 myop.op_next = PL_op;
1021 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 1061 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
1022 1062
1023 PUSHMARK (SP); 1063 PUSHMARK (SP);
1024 EXTEND (SP, 2); 1064 EXTEND (SP, 2);
1025 PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); 1065 PUSHs (sv_2mortal (newSViv ((IV)cctx)));
1026 PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); 1066 PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
1027 PUTBACK; 1067 PUTBACK;
1028 PL_op = (OP *)&myop; 1068 PL_op = (OP *)&myop;
1029 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 1069 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1030 SPAGAIN; 1070 SPAGAIN;
1031} 1071}
1032 1072
1073/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
1074static void
1075transfer_tail (void)
1076{
1077 struct coro *next = (struct coro *)transfer_next;
1078 transfer_next = 0; //D for temporary assertion in transfer
1079 assert (("FATAL ERROR: internal error 1067 in Coro module, please report", next));//D
1080
1081 free_coro_mortal (aTHX);
1082 UNLOCK;
1083
1084 if (expect_false (next->throw))
1085 {
1086 SV *exception = sv_2mortal (next->throw);
1087
1088 next->throw = 0;
1089 sv_setsv (ERRSV, exception);
1090 croak (0);
1091 }
1092}
1093
1033/* 1094/*
1034 * this is a _very_ stripped down perl interpreter ;) 1095 * this is a _very_ stripped down perl interpreter ;)
1035 */ 1096 */
1036static void 1097static void
1037cctx_run (void *arg) 1098cctx_run (void *arg)
1038{ 1099{
1100#ifdef USE_ITHREADS
1101# if CORO_PTHREAD
1102 PERL_SET_CONTEXT (coro_thx);
1103# endif
1104#endif
1105 {
1039 dTHX; 1106 dTHX;
1040 1107
1041 /* cctx_run is the alternative tail of transfer(), so unlock here. */ 1108 /* entersub called ENTER, but we never 'returned', undo that here */
1042 UNLOCK; 1109 LEAVE;
1043 1110
1044 /* we now skip the entersub that lead to transfer() */ 1111 /* we now skip the entersub that did lead to transfer() */
1045 PL_op = PL_op->op_next; 1112 PL_op = PL_op->op_next;
1046 1113
1047 /* inject a fake subroutine call to cctx_init */ 1114 /* inject a fake subroutine call to cctx_init */
1048 cctx_prepare (aTHX_ (coro_cctx *)arg); 1115 cctx_prepare (aTHX_ (coro_cctx *)arg);
1049 1116
1117 /* cctx_run is the alternative tail of transfer() */
1118 transfer_tail ();
1119
1050 /* somebody or something will hit me for both perl_run and PL_restartop */ 1120 /* somebody or something will hit me for both perl_run and PL_restartop */
1051 PL_restartop = PL_op; 1121 PL_restartop = PL_op;
1052 perl_run (PL_curinterp); 1122 perl_run (PL_curinterp);
1053 1123
1054 /* 1124 /*
1055 * If perl-run returns we assume exit() was being called or the coro 1125 * If perl-run returns we assume exit() was being called or the coro
1056 * fell off the end, which seems to be the only valid (non-bug) 1126 * fell off the end, which seems to be the only valid (non-bug)
1057 * reason for perl_run to return. We try to exit by jumping to the 1127 * reason for perl_run to return. We try to exit by jumping to the
1058 * bootstrap-time "top" top_env, as we cannot restore the "main" 1128 * bootstrap-time "top" top_env, as we cannot restore the "main"
1059 * coroutine as Coro has no such concept 1129 * coroutine as Coro has no such concept
1060 */ 1130 */
1061 PL_top_env = main_top_env; 1131 PL_top_env = main_top_env;
1062 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1132 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1133 }
1063} 1134}
1064 1135
1065static coro_cctx * 1136static coro_cctx *
1066cctx_new () 1137cctx_new ()
1067{ 1138{
1068 coro_cctx *cctx; 1139 coro_cctx *cctx;
1140
1141 ++cctx_count;
1142 New (0, cctx, 1, coro_cctx);
1143
1144 cctx->gen = cctx_gen;
1145 cctx->flags = 0;
1146 cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */
1147
1148 return cctx;
1149}
1150
1151/* create a new cctx only suitable as source */
1152static coro_cctx *
1153cctx_new_empty ()
1154{
1155 coro_cctx *cctx = cctx_new ();
1156
1157 cctx->sptr = 0;
1158 coro_create (&cctx->cctx, 0, 0, 0, 0);
1159
1160 return cctx;
1161}
1162
1163/* create a new cctx suitable as destination/running a perl interpreter */
1164static coro_cctx *
1165cctx_new_run ()
1166{
1167 coro_cctx *cctx = cctx_new ();
1069 void *stack_start; 1168 void *stack_start;
1070 size_t stack_size; 1169 size_t stack_size;
1071 1170
1072 ++cctx_count;
1073
1074 Newz (0, cctx, 1, coro_cctx);
1075
1076#if HAVE_MMAP 1171#if HAVE_MMAP
1077 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1172 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1078 /* mmap supposedly does allocate-on-write for us */ 1173 /* mmap supposedly does allocate-on-write for us */
1079 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 1174 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1080 1175
1081 if (cctx->sptr != (void *)-1) 1176 if (cctx->sptr != (void *)-1)
1082 { 1177 {
1088 cctx->flags |= CC_MAPPED; 1183 cctx->flags |= CC_MAPPED;
1089 } 1184 }
1090 else 1185 else
1091#endif 1186#endif
1092 { 1187 {
1093 cctx->ssize = coro_stacksize * (long)sizeof (long); 1188 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1094 New (0, cctx->sptr, coro_stacksize, long); 1189 New (0, cctx->sptr, cctx_stacksize, long);
1095 1190
1096 if (!cctx->sptr) 1191 if (!cctx->sptr)
1097 { 1192 {
1098 perror ("FATAL: unable to allocate stack for coroutine"); 1193 perror ("FATAL: unable to allocate stack for coroutine");
1099 _exit (EXIT_FAILURE); 1194 _exit (EXIT_FAILURE);
1114{ 1209{
1115 if (!cctx) 1210 if (!cctx)
1116 return; 1211 return;
1117 1212
1118 --cctx_count; 1213 --cctx_count;
1214 coro_destroy (&cctx->cctx);
1119 1215
1216 /* coro_transfer creates new, empty cctx's */
1217 if (cctx->sptr)
1218 {
1120#if CORO_USE_VALGRIND 1219#if CORO_USE_VALGRIND
1121 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 1220 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1122#endif 1221#endif
1123 1222
1124#if HAVE_MMAP 1223#if HAVE_MMAP
1125 if (cctx->flags & CC_MAPPED) 1224 if (cctx->flags & CC_MAPPED)
1126 munmap (cctx->sptr, cctx->ssize); 1225 munmap (cctx->sptr, cctx->ssize);
1127 else 1226 else
1128#endif 1227#endif
1129 Safefree (cctx->sptr); 1228 Safefree (cctx->sptr);
1229 }
1130 1230
1131 Safefree (cctx); 1231 Safefree (cctx);
1132} 1232}
1133 1233
1134/* wether this cctx should be destructed */ 1234/* wether this cctx should be destructed */
1135#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) 1235#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1136 1236
1137static coro_cctx * 1237static coro_cctx *
1138cctx_get (pTHX) 1238cctx_get (pTHX)
1139{ 1239{
1140 while (expect_true (cctx_first)) 1240 while (expect_true (cctx_first))
1147 return cctx; 1247 return cctx;
1148 1248
1149 cctx_destroy (cctx); 1249 cctx_destroy (cctx);
1150 } 1250 }
1151 1251
1152 return cctx_new (); 1252 return cctx_new_run ();
1153} 1253}
1154 1254
1155static void 1255static void
1156cctx_put (coro_cctx *cctx) 1256cctx_put (coro_cctx *cctx)
1157{ 1257{
1258 assert (("cctx_put called on non-initialised cctx", cctx->sptr));
1259
1158 /* free another cctx if overlimit */ 1260 /* free another cctx if overlimit */
1159 if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) 1261 if (expect_false (cctx_idle >= cctx_max_idle))
1160 { 1262 {
1161 coro_cctx *first = cctx_first; 1263 coro_cctx *first = cctx_first;
1162 cctx_first = first->next; 1264 cctx_first = first->next;
1163 --cctx_idle; 1265 --cctx_idle;
1164 1266
1196/* always use the TRANSFER macro */ 1298/* always use the TRANSFER macro */
1197static void NOINLINE 1299static void NOINLINE
1198transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1300transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1199{ 1301{
1200 dSTACKLEVEL; 1302 dSTACKLEVEL;
1201 static volatile int has_throw;
1202 1303
1203 /* sometimes transfer is only called to set idle_sp */ 1304 /* sometimes transfer is only called to set idle_sp */
1204 if (expect_false (!next)) 1305 if (expect_false (!next))
1205 { 1306 {
1206 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1307 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1210 { 1311 {
1211 coro_cctx *prev__cctx; 1312 coro_cctx *prev__cctx;
1212 1313
1213 if (expect_false (prev->flags & CF_NEW)) 1314 if (expect_false (prev->flags & CF_NEW))
1214 { 1315 {
1215 /* create a new empty context */ 1316 /* create a new empty/source context */
1216 Newz (0, prev->cctx, 1, coro_cctx); 1317 prev->cctx = cctx_new_empty ();
1217 prev->flags &= ~CF_NEW; 1318 prev->flags &= ~CF_NEW;
1218 prev->flags |= CF_RUNNING; 1319 prev->flags |= CF_RUNNING;
1219 } 1320 }
1220 1321
1221 prev->flags &= ~CF_RUNNING; 1322 prev->flags &= ~CF_RUNNING;
1236 else 1337 else
1237 load_perl (aTHX_ next); 1338 load_perl (aTHX_ next);
1238 1339
1239 prev__cctx = prev->cctx; 1340 prev__cctx = prev->cctx;
1240 1341
1241 /* possibly "free" the cctx */ 1342 /* possibly untie and reuse the cctx */
1242 if (expect_true ( 1343 if (expect_true (
1243 prev__cctx->idle_sp == STACKLEVEL 1344 prev__cctx->idle_sp == STACKLEVEL
1244 && !(prev__cctx->flags & CC_TRACE) 1345 && !(prev__cctx->flags & CC_TRACE)
1245 && !force_cctx 1346 && !force_cctx
1246 )) 1347 ))
1262 ++next->usecount; 1363 ++next->usecount;
1263 1364
1264 if (expect_true (!next->cctx)) 1365 if (expect_true (!next->cctx))
1265 next->cctx = cctx_get (aTHX); 1366 next->cctx = cctx_get (aTHX);
1266 1367
1267 has_throw = !!next->throw; 1368 assert (("FATAL ERROR: internal error 1352 in Coro, please report", !transfer_next));//D
1369 transfer_next = next;
1268 1370
1269 if (expect_false (prev__cctx != next->cctx)) 1371 if (expect_false (prev__cctx != next->cctx))
1270 { 1372 {
1271 prev__cctx->top_env = PL_top_env; 1373 prev__cctx->top_env = PL_top_env;
1272 PL_top_env = next->cctx->top_env; 1374 PL_top_env = next->cctx->top_env;
1273 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1375 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1274 } 1376 }
1275 1377
1276 free_coro_mortal (aTHX); 1378 transfer_tail ();
1277 UNLOCK;
1278
1279 if (expect_false (has_throw))
1280 {
1281 struct coro *coro = SvSTATE (coro_current);
1282
1283 if (coro->throw)
1284 {
1285 SV *exception = coro->throw;
1286 coro->throw = 0;
1287 sv_setsv (ERRSV, exception);
1288 croak (0);
1289 }
1290 }
1291 } 1379 }
1292} 1380}
1293
1294struct transfer_args
1295{
1296 struct coro *prev, *next;
1297};
1298 1381
1299#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) 1382#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1300#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1383#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1301 1384
1302/** high level stuff ********************************************************/ 1385/** high level stuff ********************************************************/
1328 croak ("FATAL: tried to destroy currently running coroutine"); 1411 croak ("FATAL: tried to destroy currently running coroutine");
1329 1412
1330 save_perl (aTHX_ &temp); 1413 save_perl (aTHX_ &temp);
1331 load_perl (aTHX_ coro); 1414 load_perl (aTHX_ coro);
1332 1415
1333 coro_destroy (aTHX_ coro); 1416 coro_destruct (aTHX_ coro);
1334 1417
1335 load_perl (aTHX_ &temp); 1418 load_perl (aTHX_ &temp);
1336 1419
1337 coro->slot = 0; 1420 coro->slot = 0;
1338 } 1421 }
1444 LOCK; 1527 LOCK;
1445 1528
1446 sv_hook = coro_nready ? 0 : coro_readyhook; 1529 sv_hook = coro_nready ? 0 : coro_readyhook;
1447 xs_hook = coro_nready ? 0 : coroapi.readyhook; 1530 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1448 1531
1449 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1532 coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1450 ++coro_nready; 1533 ++coro_nready;
1451 1534
1452 UNLOCK; 1535 UNLOCK;
1453 1536
1454 if (sv_hook) 1537 if (sv_hook)
1514 /* cannot transfer to destroyed coros, skip and look for next */ 1597 /* cannot transfer to destroyed coros, skip and look for next */
1515 if (expect_false (ta->next->flags & CF_DESTROYED)) 1598 if (expect_false (ta->next->flags & CF_DESTROYED))
1516 { 1599 {
1517 UNLOCK; 1600 UNLOCK;
1518 SvREFCNT_dec (next_sv); 1601 SvREFCNT_dec (next_sv);
1519 /* coro_nready is already taken care of by destroy */ 1602 /* coro_nready has already been taken care of by destroy */
1520 continue; 1603 continue;
1521 } 1604 }
1522 1605
1523 --coro_nready; 1606 --coro_nready;
1524 UNLOCK; 1607 UNLOCK;
1609 struct coro *coro = SvSTATE (coro_sv); 1692 struct coro *coro = SvSTATE (coro_sv);
1610 1693
1611 if (flags & CC_TRACE) 1694 if (flags & CC_TRACE)
1612 { 1695 {
1613 if (!coro->cctx) 1696 if (!coro->cctx)
1614 coro->cctx = cctx_new (); 1697 coro->cctx = cctx_new_run ();
1615 else if (!(coro->cctx->flags & CC_TRACE)) 1698 else if (!(coro->cctx->flags & CC_TRACE))
1616 croak ("cannot enable tracing on coroutine with custom stack"); 1699 croak ("cannot enable tracing on coroutine with custom stack");
1617 1700
1618 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); 1701 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1619 } 1702 }
1626 else 1709 else
1627 coro->slot->runops = RUNOPS_DEFAULT; 1710 coro->slot->runops = RUNOPS_DEFAULT;
1628 } 1711 }
1629} 1712}
1630 1713
1714#if 0
1631static int 1715static int
1632coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) 1716coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1633{ 1717{
1634 AV *padlist; 1718 AV *padlist;
1635 AV *av = (AV *)mg->mg_obj; 1719 AV *av = (AV *)mg->mg_obj;
1641 1725
1642static MGVTBL coro_gensub_vtbl = { 1726static MGVTBL coro_gensub_vtbl = {
1643 0, 0, 0, 0, 1727 0, 0, 0, 0,
1644 coro_gensub_free 1728 coro_gensub_free
1645}; 1729};
1730#endif
1731
1732/*****************************************************************************/
1733/* PerlIO::cede */
1734
1735typedef struct
1736{
1737 PerlIOBuf base;
1738 NV next, every;
1739} PerlIOCede;
1740
1741static IV
1742PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
1743{
1744 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1745
1746 self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
1747 self->next = nvtime () + self->every;
1748
1749 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
1750}
1751
1752static SV *
1753PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
1754{
1755 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1756
1757 return newSVnv (self->every);
1758}
1759
1760static IV
1761PerlIOCede_flush (pTHX_ PerlIO *f)
1762{
1763 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1764 double now = nvtime ();
1765
1766 if (now >= self->next)
1767 {
1768 api_cede ();
1769 self->next = now + self->every;
1770 }
1771
1772 return PerlIOBuf_flush (aTHX_ f);
1773}
1774
1775static PerlIO_funcs PerlIO_cede =
1776{
1777 sizeof(PerlIO_funcs),
1778 "cede",
1779 sizeof(PerlIOCede),
1780 PERLIO_K_DESTRUCT | PERLIO_K_RAW,
1781 PerlIOCede_pushed,
1782 PerlIOBuf_popped,
1783 PerlIOBuf_open,
1784 PerlIOBase_binmode,
1785 PerlIOCede_getarg,
1786 PerlIOBase_fileno,
1787 PerlIOBuf_dup,
1788 PerlIOBuf_read,
1789 PerlIOBuf_unread,
1790 PerlIOBuf_write,
1791 PerlIOBuf_seek,
1792 PerlIOBuf_tell,
1793 PerlIOBuf_close,
1794 PerlIOCede_flush,
1795 PerlIOBuf_fill,
1796 PerlIOBase_eof,
1797 PerlIOBase_error,
1798 PerlIOBase_clearerr,
1799 PerlIOBase_setlinebuf,
1800 PerlIOBuf_get_base,
1801 PerlIOBuf_bufsiz,
1802 PerlIOBuf_get_ptr,
1803 PerlIOBuf_get_cnt,
1804 PerlIOBuf_set_ptrcnt,
1805};
1806
1646 1807
1647MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1808MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1648 1809
1649PROTOTYPES: DISABLE 1810PROTOTYPES: DISABLE
1650 1811
1651BOOT: 1812BOOT:
1652{ 1813{
1653#ifdef USE_ITHREADS 1814#ifdef USE_ITHREADS
1654 MUTEX_INIT (&coro_mutex); 1815 MUTEX_INIT (&coro_lock);
1816# if CORO_PTHREAD
1817 coro_thx = PERL_GET_CONTEXT;
1818# endif
1655#endif 1819#endif
1656 BOOT_PAGESIZE; 1820 BOOT_PAGESIZE;
1657 1821
1658 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1822 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1659 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1823 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1680 main_top_env = main_top_env->je_prev; 1844 main_top_env = main_top_env->je_prev;
1681 1845
1682 coroapi.ver = CORO_API_VERSION; 1846 coroapi.ver = CORO_API_VERSION;
1683 coroapi.rev = CORO_API_REVISION; 1847 coroapi.rev = CORO_API_REVISION;
1684 coroapi.transfer = api_transfer; 1848 coroapi.transfer = api_transfer;
1849
1850 {
1851 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
1852
1853 if (!svp) croak ("Time::HiRes is required");
1854 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
1855
1856 nvtime = INT2PTR (double (*)(), SvIV (*svp));
1857 }
1685 1858
1686 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1859 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1687} 1860}
1688 1861
1689SV * 1862SV *
1731 1904
1732 PUTBACK; 1905 PUTBACK;
1733 switch (ix) 1906 switch (ix)
1734 { 1907 {
1735 case 0: 1908 case 0:
1736 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1909 prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0)));
1737 ta.next = 0;
1738 break; 1910 break;
1739 1911
1740 case 1: 1912 case 1:
1741 if (items != 2) 1913 if (items != 2)
1742 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); 1914 croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1743 1915
1744 prepare_transfer (aTHX_ &ta, ST (0), ST (1)); 1916 prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1745 break; 1917 break;
1746 1918
1747 case 2: 1919 case 2:
1781 _exit (code); 1953 _exit (code);
1782 1954
1783int 1955int
1784cctx_stacksize (int new_stacksize = 0) 1956cctx_stacksize (int new_stacksize = 0)
1785 CODE: 1957 CODE:
1786 RETVAL = coro_stacksize; 1958 RETVAL = cctx_stacksize;
1787 if (new_stacksize) 1959 if (new_stacksize)
1960 {
1788 coro_stacksize = new_stacksize; 1961 cctx_stacksize = new_stacksize;
1962 ++cctx_gen;
1963 }
1964 OUTPUT:
1965 RETVAL
1966
1967int
1968cctx_max_idle (int max_idle = 0)
1969 CODE:
1970 RETVAL = cctx_max_idle;
1971 if (max_idle > 1)
1972 cctx_max_idle = max_idle;
1789 OUTPUT: 1973 OUTPUT:
1790 RETVAL 1974 RETVAL
1791 1975
1792int 1976int
1793cctx_count () 1977cctx_count ()
1817call (Coro::State coro, SV *coderef) 2001call (Coro::State coro, SV *coderef)
1818 ALIAS: 2002 ALIAS:
1819 eval = 1 2003 eval = 1
1820 CODE: 2004 CODE:
1821{ 2005{
1822 if (coro->mainstack) 2006 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
1823 { 2007 {
1824 struct coro temp; 2008 struct coro temp;
1825 2009
1826 if (!(coro->flags & CF_RUNNING)) 2010 if (!(coro->flags & CF_RUNNING))
1827 { 2011 {
1871 RETVAL = boolSV (coro->flags & ix); 2055 RETVAL = boolSV (coro->flags & ix);
1872 OUTPUT: 2056 OUTPUT:
1873 RETVAL 2057 RETVAL
1874 2058
1875void 2059void
2060throw (Coro::State self, SV *throw = &PL_sv_undef)
2061 PROTOTYPE: $;$
2062 CODE:
2063 SvREFCNT_dec (self->throw);
2064 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2065
2066void
1876api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 2067api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1877 2068
1878SV * 2069SV *
1879has_cctx (Coro::State coro) 2070has_cctx (Coro::State coro)
1880 PROTOTYPE: $ 2071 PROTOTYPE: $
1889 CODE: 2080 CODE:
1890 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; 2081 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1891 OUTPUT: 2082 OUTPUT:
1892 RETVAL 2083 RETVAL
1893 2084
1894IV 2085UV
1895rss (Coro::State coro) 2086rss (Coro::State coro)
1896 PROTOTYPE: $ 2087 PROTOTYPE: $
1897 ALIAS: 2088 ALIAS:
1898 usecount = 1 2089 usecount = 1
1899 CODE: 2090 CODE:
1910 CODE: 2101 CODE:
1911 struct coro *coro = SvSTATE (coro_current); 2102 struct coro *coro = SvSTATE (coro_current);
1912 coro->cctx->idle_sp = 0; 2103 coro->cctx->idle_sp = 0;
1913 2104
1914void 2105void
1915throw (Coro::State self, SV *throw = &PL_sv_undef)
1916 PROTOTYPE: $;$
1917 CODE:
1918 SvREFCNT_dec (self->throw);
1919 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1920
1921void
1922swap_defsv (Coro::State self) 2106swap_defsv (Coro::State self)
1923 PROTOTYPE: $ 2107 PROTOTYPE: $
1924 ALIAS: 2108 ALIAS:
1925 swap_defav = 1 2109 swap_defav = 1
1926 CODE: 2110 CODE:
1980void 2164void
1981_set_current (SV *current) 2165_set_current (SV *current)
1982 PROTOTYPE: $ 2166 PROTOTYPE: $
1983 CODE: 2167 CODE:
1984 SvREFCNT_dec (SvRV (coro_current)); 2168 SvREFCNT_dec (SvRV (coro_current));
1985 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 2169 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
1986 2170
1987void 2171void
1988_set_readyhook (SV *hook) 2172_set_readyhook (SV *hook)
1989 PROTOTYPE: $ 2173 PROTOTYPE: $
1990 CODE: 2174 CODE:
2050 SvREFCNT_dec (old); 2234 SvREFCNT_dec (old);
2051 croak ("\3async_pool terminate\2\n"); 2235 croak ("\3async_pool terminate\2\n");
2052 } 2236 }
2053 2237
2054 SvREFCNT_dec (coro->saved_deffh); 2238 SvREFCNT_dec (coro->saved_deffh);
2055 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2239 coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2056 2240
2057 hv_store (hv, "desc", sizeof ("desc") - 1, 2241 hv_store (hv, "desc", sizeof ("desc") - 1,
2058 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); 2242 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2059 2243
2060 invoke_av = (AV *)SvRV (invoke); 2244 invoke_av = (AV *)SvRV (invoke);
2064 2248
2065 if (len > 0) 2249 if (len > 0)
2066 { 2250 {
2067 av_fill (defav, len - 1); 2251 av_fill (defav, len - 1);
2068 for (i = 0; i < len; ++i) 2252 for (i = 0; i < len; ++i)
2069 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); 2253 av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
2070 } 2254 }
2071 2255
2072 SvREFCNT_dec (invoke); 2256 SvREFCNT_dec (invoke);
2073} 2257}
2074 2258
2081 sv_setsv (cb, &PL_sv_undef); 2265 sv_setsv (cb, &PL_sv_undef);
2082 2266
2083 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2267 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2084 coro->saved_deffh = 0; 2268 coro->saved_deffh = 0;
2085 2269
2086 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2270 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2087 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2271 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2088 { 2272 {
2089 SV *old = PL_diehook; 2273 SV *old = PL_diehook;
2090 PL_diehook = 0; 2274 PL_diehook = 0;
2091 SvREFCNT_dec (old); 2275 SvREFCNT_dec (old);
2153#endif 2337#endif
2154 2338
2155 2339
2156MODULE = Coro::State PACKAGE = Coro::AIO 2340MODULE = Coro::State PACKAGE = Coro::AIO
2157 2341
2158SV * 2342void
2159_get_state () 2343_get_state (SV *self)
2160 CODE: 2344 PPCODE:
2161{ 2345{
2162 struct io_state *data; 2346 AV *defav = GvAV (PL_defgv);
2163 2347 AV *av = newAV ();
2348 int i;
2164 RETVAL = newSV (sizeof (struct io_state)); 2349 SV *data_sv = newSV (sizeof (struct io_state));
2165 data = (struct io_state *)SvPVX (RETVAL); 2350 struct io_state *data = (struct io_state *)SvPVX (data_sv);
2166 SvCUR_set (RETVAL, sizeof (struct io_state)); 2351 SvCUR_set (data_sv, sizeof (struct io_state));
2167 SvPOK_only (RETVAL); 2352 SvPOK_only (data_sv);
2168 2353
2169 data->errorno = errno; 2354 data->errorno = errno;
2170 data->laststype = PL_laststype; 2355 data->laststype = PL_laststype;
2171 data->laststatval = PL_laststatval; 2356 data->laststatval = PL_laststatval;
2172 data->statcache = PL_statcache; 2357 data->statcache = PL_statcache;
2358
2359 av_extend (av, AvFILLp (defav) + 1 + 1);
2360
2361 for (i = 0; i <= AvFILLp (defav); ++i)
2362 av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
2363
2364 av_push (av, data_sv);
2365
2366 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
2367
2368 api_ready (self);
2173} 2369}
2174 OUTPUT:
2175 RETVAL
2176 2370
2177void 2371void
2178_set_state (char *data_) 2372_set_state (SV *state)
2179 PROTOTYPE: $ 2373 PROTOTYPE: $
2180 CODE: 2374 PPCODE:
2181{ 2375{
2182 struct io_state *data = (void *)data_; 2376 AV *av = (AV *)SvRV (state);
2377 struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]);
2378 int i;
2183 2379
2184 errno = data->errorno; 2380 errno = data->errorno;
2185 PL_laststype = data->laststype; 2381 PL_laststype = data->laststype;
2186 PL_laststatval = data->laststatval; 2382 PL_laststatval = data->laststatval;
2187 PL_statcache = data->statcache; 2383 PL_statcache = data->statcache;
2384
2385 EXTEND (SP, AvFILLp (av));
2386 for (i = 0; i < AvFILLp (av); ++i)
2387 PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
2188} 2388}
2189 2389
2190 2390
2191MODULE = Coro::State PACKAGE = Coro::AnyEvent 2391MODULE = Coro::State PACKAGE = Coro::AnyEvent
2192 2392
2216 } 2416 }
2217 2417
2218 --incede; 2418 --incede;
2219} 2419}
2220 2420
2421
2422MODULE = Coro::State PACKAGE = PerlIO::cede
2423
2424BOOT:
2425 PerlIO_define_layer (aTHX_ &PerlIO_cede);

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines