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Comparing Coro/Coro/State.xs (file contents):
Revision 1.363 by root, Tue Jul 14 00:55:10 2009 UTC vs.
Revision 1.379 by root, Tue Jul 27 14:50:17 2010 UTC

1#define NDEBUG 1
2
1#include "libcoro/coro.c" 3#include "libcoro/coro.c"
2 4
3#define PERL_NO_GET_CONTEXT 5#define PERL_NO_GET_CONTEXT
4#define PERL_EXT 6#define PERL_EXT
5 7
… …
11#include "schmorp.h" 13#include "schmorp.h"
12 14
13#include <stdio.h> 15#include <stdio.h>
14#include <errno.h> 16#include <errno.h>
15#include <assert.h> 17#include <assert.h>
18
19#ifndef SVs_PADSTALE
20# define SVs_PADSTALE 0
21#endif
16 22
17#ifdef WIN32 23#ifdef WIN32
18# undef setjmp 24# undef setjmp
19# undef longjmp 25# undef longjmp
20# undef _exit 26# undef _exit
… …
142static SV *sv_pool_size; 148static SV *sv_pool_size;
143static SV *sv_async_pool_idle; /* description string */ 149static SV *sv_async_pool_idle; /* description string */
144static AV *av_async_pool; /* idle pool */ 150static AV *av_async_pool; /* idle pool */
145static SV *sv_Coro; /* class string */ 151static SV *sv_Coro; /* class string */
146static CV *cv_pool_handler; 152static CV *cv_pool_handler;
147static CV *cv_coro_state_new;
148 153
149/* Coro::AnyEvent */ 154/* Coro::AnyEvent */
150static SV *sv_activity; 155static SV *sv_activity;
151 156
152/* enable processtime/realtime profiling */ 157/* enable processtime/realtime profiling */
… …
251 256
252 /* on_enter/on_leave */ 257 /* on_enter/on_leave */
253 AV *on_enter; 258 AV *on_enter;
254 AV *on_leave; 259 AV *on_leave;
255 260
261 /* swap_sv */
262 AV *swap_sv;
263
256 /* times */ 264 /* times */
257 coro_ts t_cpu, t_real; 265 coro_ts t_cpu, t_real;
258 266
259 /* linked list */ 267 /* linked list */
260 struct coro *next, *prev; 268 struct coro *next, *prev;
… …
282static SV *coro_readyhook; 290static SV *coro_readyhook;
283static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 291static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
284static CV *cv_coro_run, *cv_coro_terminate; 292static CV *cv_coro_run, *cv_coro_terminate;
285static struct coro *coro_first; 293static struct coro *coro_first;
286#define coro_nready coroapi.nready 294#define coro_nready coroapi.nready
295
296/** Coro::Select ************************************************************/
297
298static OP *(*coro_old_pp_sselect) (pTHX);
299static SV *coro_select_select;
300
301/* horrible hack, but if it works... */
302static OP *
303coro_pp_sselect (pTHX)
304{
305 dSP;
306 PUSHMARK (SP - 4); /* fake argument list */
307 XPUSHs (coro_select_select);
308 PUTBACK;
309
310 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
311 PL_op->op_flags |= OPf_STACKED;
312 PL_op->op_private = 0;
313 return PL_ppaddr [OP_ENTERSUB](aTHX);
314}
287 315
288/** lowlevel stuff **********************************************************/ 316/** lowlevel stuff **********************************************************/
289 317
290static SV * 318static SV *
291coro_get_sv (pTHX_ const char *name, int create) 319coro_get_sv (pTHX_ const char *name, int create)
… …
531 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 559 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
532} 560}
533 561
534/** load & save, init *******************************************************/ 562/** load & save, init *******************************************************/
535 563
564/* swap sv heads, at least logically */
565static void
566swap_svs (pTHX_ Coro__State c)
567{
568 int i;
569
570 for (i = 0; i <= AvFILLp (c->swap_sv); )
571 {
572 SV *a = AvARRAY (c->swap_sv)[i++];
573 SV *b = AvARRAY (c->swap_sv)[i++];
574
575 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
576 SV tmp;
577
578 /* swap sv_any */
579 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
580
581 /* swap sv_flags */
582 SvFLAGS (&tmp) = SvFLAGS (a);
583 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
584 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
585
586#if PERL_VERSION_ATLEAST (5,10,0)
587 /* perl 5.10 complicates this _quite_ a bit, but it also is
588 * is much faster, so no quarrels here. alternatively, we could
589 * sv_upgrade to avoid this.
590 */
591 {
592 /* swap sv_u */
593 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
594
595 /* if SvANY points to the head, we need to adjust the pointers,
596 * as the pointer for a still points to b, and maybe vice versa.
597 */
598 #define svany_in_head(type) \
599 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
600
601 if (svany_in_head (SvTYPE (a)))
602 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
603
604 if (svany_in_head (SvTYPE (b)))
605 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
606 }
607#endif
608 }
609}
610
611#define SWAP_SVS(coro) \
612 if (expect_false ((coro)->swap_sv)) \
613 swap_svs (aTHX_ (coro))
614
536static void 615static void
537on_enterleave_call (pTHX_ SV *cb); 616on_enterleave_call (pTHX_ SV *cb);
538 617
539static void 618static void
540load_perl (pTHX_ Coro__State c) 619load_perl (pTHX_ Coro__State c)
… …
586 int i; 665 int i;
587 666
588 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 667 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
589 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 668 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
590 } 669 }
670
671 SWAP_SVS (c);
591} 672}
592 673
593static void 674static void
594save_perl (pTHX_ Coro__State c) 675save_perl (pTHX_ Coro__State c)
595{ 676{
677 SWAP_SVS (c);
678
596 if (expect_false (c->on_leave)) 679 if (expect_false (c->on_leave))
597 { 680 {
598 int i; 681 int i;
599 682
600 for (i = AvFILLp (c->on_leave); i >= 0; --i) 683 for (i = AvFILLp (c->on_leave); i >= 0; --i)
… …
907slf_check_repeat (pTHX_ struct CoroSLF *frame) 990slf_check_repeat (pTHX_ struct CoroSLF *frame)
908{ 991{
909 return 1; 992 return 1;
910} 993}
911 994
912static UNOP coro_setup_op; 995static UNOP init_perl_op;
913 996
914static void NOINLINE /* noinline to keep it out of the transfer fast path */ 997static void NOINLINE /* noinline to keep it out of the transfer fast path */
915coro_setup (pTHX_ struct coro *coro) 998init_perl (pTHX_ struct coro *coro)
916{ 999{
917 /* 1000 /*
918 * emulate part of the perl startup here. 1001 * emulate part of the perl startup here.
919 */ 1002 */
920 coro_init_stacks (aTHX); 1003 coro_init_stacks (aTHX);
… …
969 */ 1052 */
970 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 1053 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
971 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 1054 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
972 1055
973 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 1056 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
974 coro_setup_op.op_next = PL_op; 1057 init_perl_op.op_next = PL_op;
975 coro_setup_op.op_type = OP_ENTERSUB; 1058 init_perl_op.op_type = OP_ENTERSUB;
976 coro_setup_op.op_ppaddr = pp_slf; 1059 init_perl_op.op_ppaddr = pp_slf;
977 /* no flags etc. required, as an init function won't be called */ 1060 /* no flags etc. required, as an init function won't be called */
978 1061
979 PL_op = (OP *)&coro_setup_op; 1062 PL_op = (OP *)&init_perl_op;
980 1063
981 /* copy throw, in case it was set before coro_setup */ 1064 /* copy throw, in case it was set before init_perl */
982 CORO_THROW = coro->except; 1065 CORO_THROW = coro->except;
1066
1067 SWAP_SVS (coro);
983 1068
984 if (expect_false (enable_times)) 1069 if (expect_false (enable_times))
985 { 1070 {
986 coro_times_update (); 1071 coro_times_update ();
987 coro_times_sub (coro); 1072 coro_times_sub (coro);
… …
1008 dounwind (-1); 1093 dounwind (-1);
1009 } 1094 }
1010} 1095}
1011 1096
1012static void 1097static void
1013coro_destruct_perl (pTHX_ struct coro *coro) 1098destroy_perl (pTHX_ struct coro *coro)
1014{ 1099{
1015 SV *svf [9]; 1100 SV *svf [9];
1016 1101
1017 { 1102 {
1018 struct coro *current = SvSTATE_current; 1103 struct coro *current = SvSTATE_current;
… …
1022 save_perl (aTHX_ current); 1107 save_perl (aTHX_ current);
1023 load_perl (aTHX_ coro); 1108 load_perl (aTHX_ coro);
1024 1109
1025 coro_unwind_stacks (aTHX); 1110 coro_unwind_stacks (aTHX);
1026 coro_destruct_stacks (aTHX); 1111 coro_destruct_stacks (aTHX);
1112
1113 /* restore swapped sv's */
1114 SWAP_SVS (coro);
1027 1115
1028 // now save some sv's to be free'd later 1116 // now save some sv's to be free'd later
1029 svf [0] = GvSV (PL_defgv); 1117 svf [0] = GvSV (PL_defgv);
1030 svf [1] = (SV *)GvAV (PL_defgv); 1118 svf [1] = (SV *)GvAV (PL_defgv);
1031 svf [2] = GvSV (PL_errgv); 1119 svf [2] = GvSV (PL_errgv);
… …
1255 /* somebody or something will hit me for both perl_run and PL_restartop */ 1343 /* somebody or something will hit me for both perl_run and PL_restartop */
1256 PL_restartop = PL_op; 1344 PL_restartop = PL_op;
1257 perl_run (PL_curinterp); 1345 perl_run (PL_curinterp);
1258 /* 1346 /*
1259 * Unfortunately, there is no way to get at the return values of the 1347 * Unfortunately, there is no way to get at the return values of the
1260 * coro body here, as perl_run destroys these 1348 * coro body here, as perl_run destroys these. Likewise, we cannot catch
1349 * runtime errors here, as this is just a random interpreter, not a thread.
1261 */ 1350 */
1262 1351
1263 /* 1352 /*
1264 * If perl-run returns we assume exit() was being called or the coro 1353 * If perl-run returns we assume exit() was being called or the coro
1265 * fell off the end, which seems to be the only valid (non-bug) 1354 * fell off the end, which seems to be the only valid (non-bug)
… …
1472 if (expect_false (next->flags & CF_NEW)) 1561 if (expect_false (next->flags & CF_NEW))
1473 { 1562 {
1474 /* need to start coroutine */ 1563 /* need to start coroutine */
1475 next->flags &= ~CF_NEW; 1564 next->flags &= ~CF_NEW;
1476 /* setup coroutine call */ 1565 /* setup coroutine call */
1477 coro_setup (aTHX_ next); 1566 init_perl (aTHX_ next);
1478 } 1567 }
1479 else 1568 else
1480 load_perl (aTHX_ next); 1569 load_perl (aTHX_ next);
1481 1570
1482 /* possibly untie and reuse the cctx */ 1571 /* possibly untie and reuse the cctx */
… …
1545 1634
1546 if (coro->mainstack 1635 if (coro->mainstack
1547 && coro->mainstack != main_mainstack 1636 && coro->mainstack != main_mainstack
1548 && coro->slot 1637 && coro->slot
1549 && !PL_dirty) 1638 && !PL_dirty)
1550 coro_destruct_perl (aTHX_ coro); 1639 destroy_perl (aTHX_ coro);
1640
1641 if (coro->next) coro->next->prev = coro->prev;
1642 if (coro->prev) coro->prev->next = coro->next;
1643 if (coro == coro_first) coro_first = coro->next;
1551 1644
1552 cctx_destroy (coro->cctx); 1645 cctx_destroy (coro->cctx);
1553 SvREFCNT_dec (coro->startcv); 1646 SvREFCNT_dec (coro->startcv);
1554 SvREFCNT_dec (coro->args); 1647 SvREFCNT_dec (coro->args);
1648 SvREFCNT_dec (coro->swap_sv);
1555 SvREFCNT_dec (CORO_THROW); 1649 SvREFCNT_dec (CORO_THROW);
1556
1557 if (coro->next) coro->next->prev = coro->prev;
1558 if (coro->prev) coro->prev->next = coro->next;
1559 if (coro == coro_first) coro_first = coro->next;
1560 1650
1561 return 1; 1651 return 1;
1562} 1652}
1563 1653
1564static int 1654static int
… …
1648 } 1738 }
1649 1739
1650 return 0; 1740 return 0;
1651} 1741}
1652 1742
1743static void
1744invoke_sv_ready_hook_helper (void)
1745{
1746 dTHX;
1747 dSP;
1748
1749 ENTER;
1750 SAVETMPS;
1751
1752 PUSHMARK (SP);
1753 PUTBACK;
1754 call_sv (coro_readyhook, G_VOID | G_DISCARD);
1755
1756 FREETMPS;
1757 LEAVE;
1758}
1759
1653static int 1760static int
1654api_ready (pTHX_ SV *coro_sv) 1761api_ready (pTHX_ SV *coro_sv)
1655{ 1762{
1656 struct coro *coro;
1657 SV *sv_hook;
1658 void (*xs_hook)(void);
1659
1660 coro = SvSTATE (coro_sv); 1763 struct coro *coro = SvSTATE (coro_sv);
1661 1764
1662 if (coro->flags & CF_READY) 1765 if (coro->flags & CF_READY)
1663 return 0; 1766 return 0;
1664 1767
1665 coro->flags |= CF_READY; 1768 coro->flags |= CF_READY;
1666 1769
1667 sv_hook = coro_nready ? 0 : coro_readyhook;
1668 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1669
1670 coro_enq (aTHX_ coro); 1770 coro_enq (aTHX_ coro);
1671 ++coro_nready;
1672 1771
1673 if (sv_hook) 1772 if (!coro_nready++)
1674 { 1773 if (coroapi.readyhook)
1675 dSP; 1774 coroapi.readyhook ();
1676
1677 ENTER;
1678 SAVETMPS;
1679
1680 PUSHMARK (SP);
1681 PUTBACK;
1682 call_sv (sv_hook, G_VOID | G_DISCARD);
1683
1684 FREETMPS;
1685 LEAVE;
1686 }
1687
1688 if (xs_hook)
1689 xs_hook ();
1690 1775
1691 return 1; 1776 return 1;
1692} 1777}
1693 1778
1694static int 1779static int
… …
1739 { 1824 {
1740 /* nothing to schedule: call the idle handler */ 1825 /* nothing to schedule: call the idle handler */
1741 if (SvROK (sv_idle) 1826 if (SvROK (sv_idle)
1742 && SvOBJECT (SvRV (sv_idle))) 1827 && SvOBJECT (SvRV (sv_idle)))
1743 { 1828 {
1829 if (SvRV (sv_idle) == SvRV (coro_current))
1830 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");
1831
1744 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1832 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1745 api_ready (aTHX_ SvRV (sv_idle)); 1833 api_ready (aTHX_ SvRV (sv_idle));
1746 --coro_nready; 1834 --coro_nready;
1747 } 1835 }
1748 else 1836 else
1749 { 1837 {
1838 /* TODO: deprecated, remove, cannot work reliably *//*D*/
1750 dSP; 1839 dSP;
1751 1840
1752 ENTER; 1841 ENTER;
1753 SAVETMPS; 1842 SAVETMPS;
1754 1843
… …
1900{ 1989{
1901 int i; 1990 int i;
1902 HV *hv = (HV *)SvRV (coro_current); 1991 HV *hv = (HV *)SvRV (coro_current);
1903 AV *av = newAV (); 1992 AV *av = newAV ();
1904 1993
1994 /* items are actually not so common, so optimise for this case */
1995 if (items)
1996 {
1905 av_extend (av, items - 1); 1997 av_extend (av, items - 1);
1998
1906 for (i = 0; i < items; ++i) 1999 for (i = 0; i < items; ++i)
1907 av_push (av, SvREFCNT_inc_NN (arg [i])); 2000 av_push (av, SvREFCNT_inc_NN (arg [i]));
2001 }
1908 2002
1909 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); 2003 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1910 2004
1911 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2005 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1912 api_ready (aTHX_ sv_manager); 2006 api_ready (aTHX_ sv_manager);
… …
2328 if (PL_op->op_flags & OPf_STACKED) 2422 if (PL_op->op_flags & OPf_STACKED)
2329 { 2423 {
2330 if (items > slf_arga) 2424 if (items > slf_arga)
2331 { 2425 {
2332 slf_arga = items; 2426 slf_arga = items;
2333 free (slf_argv); 2427 Safefree (slf_argv);
2334 slf_argv = malloc (slf_arga * sizeof (SV *)); 2428 New (0, slf_argv, slf_arga, SV *);
2335 } 2429 }
2336 2430
2337 slf_argc = items; 2431 slf_argc = items;
2338 2432
2339 for (i = 0; i < items; ++i) 2433 for (i = 0; i < items; ++i)
… …
2894 2988
2895#if CORO_CLONE 2989#if CORO_CLONE
2896# include "clone.c" 2990# include "clone.c"
2897#endif 2991#endif
2898 2992
2993/*****************************************************************************/
2994
2995static SV *
2996coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro)
2997{
2998 SV *coro_sv;
2999 struct coro *coro;
3000 MAGIC *mg;
3001 HV *hv;
3002 SV *cb;
3003 int i;
3004
3005 if (argc > 0)
3006 {
3007 cb = s_get_cv_croak (argv [0]);
3008
3009 if (!is_coro)
3010 {
3011 if (CvISXSUB (cb))
3012 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
3013
3014 if (!CvROOT (cb))
3015 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
3016 }
3017 }
3018
3019 Newz (0, coro, 1, struct coro);
3020 coro->args = newAV ();
3021 coro->flags = CF_NEW;
3022
3023 if (coro_first) coro_first->prev = coro;
3024 coro->next = coro_first;
3025 coro_first = coro;
3026
3027 coro->hv = hv = newHV ();
3028 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3029 mg->mg_flags |= MGf_DUP;
3030 coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
3031
3032 if (argc > 0)
3033 {
3034 av_extend (coro->args, argc + is_coro - 1);
3035
3036 if (is_coro)
3037 {
3038 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3039 cb = (SV *)cv_coro_run;
3040 }
3041
3042 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3043
3044 for (i = 1; i < argc; i++)
3045 av_push (coro->args, newSVsv (argv [i]));
3046 }
3047
3048 return coro_sv;
3049}
3050
2899MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3051MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2900 3052
2901PROTOTYPES: DISABLE 3053PROTOTYPES: DISABLE
2902 3054
2903BOOT: 3055BOOT:
… …
2971 3123
2972 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3124 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2973} 3125}
2974 3126
2975SV * 3127SV *
2976new (char *klass, ...) 3128new (SV *klass, ...)
2977 ALIAS: 3129 ALIAS:
2978 Coro::new = 1 3130 Coro::new = 1
2979 CODE: 3131 CODE:
2980{ 3132 RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2981 struct coro *coro; 3133 OUTPUT:
2982 MAGIC *mg;
2983 HV *hv;
2984 SV *cb;
2985 int i;
2986
2987 if (items > 1)
2988 {
2989 cb = s_get_cv_croak (ST (1));
2990
2991 if (!ix)
2992 {
2993 if (CvISXSUB (cb))
2994 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2995
2996 if (!CvROOT (cb))
2997 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2998 }
2999 }
3000
3001 Newz (0, coro, 1, struct coro);
3002 coro->args = newAV ();
3003 coro->flags = CF_NEW;
3004
3005 if (coro_first) coro_first->prev = coro;
3006 coro->next = coro_first;
3007 coro_first = coro;
3008
3009 coro->hv = hv = newHV ();
3010 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3011 mg->mg_flags |= MGf_DUP;
3012 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
3013
3014 if (items > 1)
3015 {
3016 av_extend (coro->args, items - 1 + ix - 1);
3017
3018 if (ix)
3019 {
3020 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3021 cb = (SV *)cv_coro_run;
3022 }
3023
3024 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3025
3026 for (i = 2; i < items; i++)
3027 av_push (coro->args, newSVsv (ST (i)));
3028 }
3029}
3030 OUTPUT:
3031 RETVAL 3134 RETVAL
3032 3135
3033void 3136void
3034transfer (...) 3137transfer (...)
3035 PROTOTYPE: $$ 3138 PROTOTYPE: $$
… …
3172 RETVAL = boolSV (coro->flags & ix); 3275 RETVAL = boolSV (coro->flags & ix);
3173 OUTPUT: 3276 OUTPUT:
3174 RETVAL 3277 RETVAL
3175 3278
3176void 3279void
3177throw (Coro::State self, SV *throw = &PL_sv_undef) 3280throw (Coro::State self, SV *exception = &PL_sv_undef)
3178 PROTOTYPE: $;$ 3281 PROTOTYPE: $;$
3179 CODE: 3282 CODE:
3180{ 3283{
3181 struct coro *current = SvSTATE_current; 3284 struct coro *current = SvSTATE_current;
3182 SV **throwp = self == current ? &CORO_THROW : &self->except; 3285 SV **exceptionp = self == current ? &CORO_THROW : &self->except;
3183 SvREFCNT_dec (*throwp); 3286 SvREFCNT_dec (*exceptionp);
3184 SvGETMAGIC (throw); 3287 SvGETMAGIC (exception);
3185 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 3288 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3186} 3289}
3187 3290
3188void 3291void
3189api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3292api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3190 PROTOTYPE: $;$ 3293 PROTOTYPE: $;$
… …
3285 3388
3286 if (expect_false (current == self)) 3389 if (expect_false (current == self))
3287 coro_times_sub (SvSTATE (coro_current)); 3390 coro_times_sub (SvSTATE (coro_current));
3288} 3391}
3289 3392
3393void
3394swap_sv (Coro::State coro, SV *sv, SV *swapsv)
3395 CODE:
3396{
3397 struct coro *current = SvSTATE_current;
3398
3399 if (current == coro)
3400 SWAP_SVS (current);
3401
3402 if (!coro->swap_sv)
3403 coro->swap_sv = newAV ();
3404
3405 av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));
3406 av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));
3407
3408 if (current == coro)
3409 SWAP_SVS (current);
3410}
3411
3412
3290MODULE = Coro::State PACKAGE = Coro 3413MODULE = Coro::State PACKAGE = Coro
3291 3414
3292BOOT: 3415BOOT:
3293{ 3416{
3294 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3417 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
… …
3302 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); 3425 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3303 3426
3304 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3427 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3305 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3428 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3306 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3429 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3307 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); 3430 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3308 3431
3309 coro_stash = gv_stashpv ("Coro", TRUE); 3432 coro_stash = gv_stashpv ("Coro", TRUE);
3310 3433
3311 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3434 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3312 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3435 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3313 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3436 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
3331 sv_setiv (sv, (IV)&coroapi); 3454 sv_setiv (sv, (IV)&coroapi);
3332 SvREADONLY_on (sv); 3455 SvREADONLY_on (sv);
3333 } 3456 }
3334} 3457}
3335 3458
3459SV *
3460async (...)
3461 PROTOTYPE: &@
3462 CODE:
3463 RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1);
3464 api_ready (aTHX_ RETVAL);
3465 OUTPUT:
3466 RETVAL
3467
3336void 3468void
3337terminate (...) 3469terminate (...)
3338 CODE: 3470 CODE:
3339 CORO_EXECUTE_SLF_XS (slf_init_terminate); 3471 CORO_EXECUTE_SLF_XS (slf_init_terminate);
3340 3472
… …
3374_set_readyhook (SV *hook) 3506_set_readyhook (SV *hook)
3375 PROTOTYPE: $ 3507 PROTOTYPE: $
3376 CODE: 3508 CODE:
3377 SvREFCNT_dec (coro_readyhook); 3509 SvREFCNT_dec (coro_readyhook);
3378 SvGETMAGIC (hook); 3510 SvGETMAGIC (hook);
3511 if (SvOK (hook))
3512 {
3379 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; 3513 coro_readyhook = newSVsv (hook);
3514 CORO_READYHOOK = invoke_sv_ready_hook_helper;
3515 }
3516 else
3517 {
3518 coro_readyhook = 0;
3519 CORO_READYHOOK = 0;
3520 }
3380 3521
3381int 3522int
3382prio (Coro::State coro, int newprio = 0) 3523prio (Coro::State coro, int newprio = 0)
3383 PROTOTYPE: $;$ 3524 PROTOTYPE: $;$
3384 ALIAS: 3525 ALIAS:
… …
3448 for (i = 1; i < items; ++i) 3589 for (i = 1; i < items; ++i)
3449 av_push (av, SvREFCNT_inc_NN (ST (i))); 3590 av_push (av, SvREFCNT_inc_NN (ST (i)));
3450 3591
3451 if ((SV *)hv == &PL_sv_undef) 3592 if ((SV *)hv == &PL_sv_undef)
3452 { 3593 {
3453 PUSHMARK (SP); 3594 SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1);
3454 EXTEND (SP, 2);
3455 PUSHs (sv_Coro);
3456 PUSHs ((SV *)cv_pool_handler);
3457 PUTBACK;
3458 call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3459 SPAGAIN;
3460
3461 hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); 3595 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3596 SvREFCNT_dec (sv);
3462 } 3597 }
3463 3598
3464 { 3599 {
3465 struct coro *coro = SvSTATE_hv (hv); 3600 struct coro *coro = SvSTATE_hv (hv);
3466 3601
… …
3717 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); 3852 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3718 sv_setpv ((SV *)slf_cv, proto); 3853 sv_setpv ((SV *)slf_cv, proto);
3719 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); 3854 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3720} 3855}
3721 3856
3857MODULE = Coro::State PACKAGE = Coro::Select
3858
3859void
3860patch_pp_sselect ()
3861 CODE:
3862 if (!coro_old_pp_sselect)
3863 {
3864 coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
3865 coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
3866 PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
3867 }
3868
3869void
3870unpatch_pp_sselect ()
3871 CODE:
3872 if (coro_old_pp_sselect)
3873 {
3874 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
3875 coro_old_pp_sselect = 0;
3876 }
3877
3878

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