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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 1.387 by root, Mon Feb 21 13:38:04 2011 UTC

1/* this works around a bug in mingw32 providing a non-working setjmp */
2#define USE_NO_MINGW_SETJMP_TWO_ARGS
3
4#define NDEBUG 1
5
1#include "libcoro/coro.c" 6#include "libcoro/coro.c"
2 7
3#define PERL_NO_GET_CONTEXT 8#define PERL_NO_GET_CONTEXT
4#define PERL_EXT 9#define PERL_EXT
5 10
… …
11#include "schmorp.h" 16#include "schmorp.h"
12 17
13#include <stdio.h> 18#include <stdio.h>
14#include <errno.h> 19#include <errno.h>
15#include <assert.h> 20#include <assert.h>
21
22#ifndef SVs_PADSTALE
23# define SVs_PADSTALE 0
24#endif
16 25
17#ifdef WIN32 26#ifdef WIN32
18# undef setjmp 27# undef setjmp
19# undef longjmp 28# undef longjmp
20# undef _exit 29# undef _exit
… …
142static SV *sv_pool_size; 151static SV *sv_pool_size;
143static SV *sv_async_pool_idle; /* description string */ 152static SV *sv_async_pool_idle; /* description string */
144static AV *av_async_pool; /* idle pool */ 153static AV *av_async_pool; /* idle pool */
145static SV *sv_Coro; /* class string */ 154static SV *sv_Coro; /* class string */
146static CV *cv_pool_handler; 155static CV *cv_pool_handler;
147static CV *cv_coro_state_new;
148 156
149/* Coro::AnyEvent */ 157/* Coro::AnyEvent */
150static SV *sv_activity; 158static SV *sv_activity;
151 159
152/* enable processtime/realtime profiling */ 160/* enable processtime/realtime profiling */
… …
232 CV *startcv; /* the CV to execute */ 240 CV *startcv; /* the CV to execute */
233 AV *args; /* data associated with this coroutine (initial args) */ 241 AV *args; /* data associated with this coroutine (initial args) */
234 int refcnt; /* coroutines are refcounted, yes */ 242 int refcnt; /* coroutines are refcounted, yes */
235 int flags; /* CF_ flags */ 243 int flags; /* CF_ flags */
236 HV *hv; /* the perl hash associated with this coro, if any */ 244 HV *hv; /* the perl hash associated with this coro, if any */
237 void (*on_destroy)(pTHX_ struct coro *coro); 245 void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */
238 246
239 /* statistics */ 247 /* statistics */
240 int usecount; /* number of transfers to this coro */ 248 int usecount; /* number of transfers to this coro */
241 249
242 /* coro process data */ 250 /* coro process data */
… …
250 AV *invoke_av; 258 AV *invoke_av;
251 259
252 /* on_enter/on_leave */ 260 /* on_enter/on_leave */
253 AV *on_enter; 261 AV *on_enter;
254 AV *on_leave; 262 AV *on_leave;
263
264 /* swap_sv */
265 AV *swap_sv;
255 266
256 /* times */ 267 /* times */
257 coro_ts t_cpu, t_real; 268 coro_ts t_cpu, t_real;
258 269
259 /* linked list */ 270 /* linked list */
… …
282static SV *coro_readyhook; 293static SV *coro_readyhook;
283static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 294static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
284static CV *cv_coro_run, *cv_coro_terminate; 295static CV *cv_coro_run, *cv_coro_terminate;
285static struct coro *coro_first; 296static struct coro *coro_first;
286#define coro_nready coroapi.nready 297#define coro_nready coroapi.nready
298
299/** Coro::Select ************************************************************/
300
301static OP *(*coro_old_pp_sselect) (pTHX);
302static SV *coro_select_select;
303
304/* horrible hack, but if it works... */
305static OP *
306coro_pp_sselect (pTHX)
307{
308 dSP;
309 PUSHMARK (SP - 4); /* fake argument list */
310 XPUSHs (coro_select_select);
311 PUTBACK;
312
313 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
314 PL_op->op_flags |= OPf_STACKED;
315 PL_op->op_private = 0;
316 return PL_ppaddr [OP_ENTERSUB](aTHX);
317}
318
319/** time stuff **************************************************************/
320
321#ifdef HAS_GETTIMEOFDAY
322
323static void
324coro_u2time (pTHX_ UV ret[2])
325{
326 struct timeval tv;
327 gettimeofday (&tv, 0);
328
329 ret [0] = tv.tv_sec;
330 ret [1] = tv.tv_usec;
331}
332
333static double
334coro_nvtime ()
335{
336 struct timeval tv;
337 gettimeofday (&tv, 0);
338
339 return tv.tv_sec + tv.tv_usec * 1e-6;
340}
341
342static void
343time_init (void)
344{
345 nvtime = coro_nvtime;
346 u2time = coro_u2time;
347}
348
349#else
350
351static void
352time_init (void)
353{
354 SV **svp;
355
356 require_pv ("Time::HiRes");
357
358 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
359
360 if (!svp) croak ("Time::HiRes is required");
361 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
362
363 nvtime = INT2PTR (double (*)(), SvIV (*svp));
364
365 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
366 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
367}
368
369#endif
287 370
288/** lowlevel stuff **********************************************************/ 371/** lowlevel stuff **********************************************************/
289 372
290static SV * 373static SV *
291coro_get_sv (pTHX_ const char *name, int create) 374coro_get_sv (pTHX_ const char *name, int create)
… …
531 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 614 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
532} 615}
533 616
534/** load & save, init *******************************************************/ 617/** load & save, init *******************************************************/
535 618
619/* swap sv heads, at least logically */
620static void
621swap_svs (pTHX_ Coro__State c)
622{
623 int i;
624
625 for (i = 0; i <= AvFILLp (c->swap_sv); )
626 {
627 SV *a = AvARRAY (c->swap_sv)[i++];
628 SV *b = AvARRAY (c->swap_sv)[i++];
629
630 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
631 SV tmp;
632
633 /* swap sv_any */
634 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
635
636 /* swap sv_flags */
637 SvFLAGS (&tmp) = SvFLAGS (a);
638 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
639 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
640
641#if PERL_VERSION_ATLEAST (5,10,0)
642 /* perl 5.10 complicates this _quite_ a bit, but it also is
643 * much faster, so no quarrels here. alternatively, we could
644 * sv_upgrade to avoid this.
645 */
646 {
647 /* swap sv_u */
648 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
649
650 /* if SvANY points to the head, we need to adjust the pointers,
651 * as the pointer for a still points to b, and maybe vice versa.
652 */
653 #define svany_in_head(type) \
654 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
655
656 if (svany_in_head (SvTYPE (a)))
657 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
658
659 if (svany_in_head (SvTYPE (b)))
660 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
661 }
662#endif
663 }
664}
665
666#define SWAP_SVS(coro) \
667 if (expect_false ((coro)->swap_sv)) \
668 swap_svs (aTHX_ (coro))
669
536static void 670static void
537on_enterleave_call (pTHX_ SV *cb); 671on_enterleave_call (pTHX_ SV *cb);
538 672
539static void 673static void
540load_perl (pTHX_ Coro__State c) 674load_perl (pTHX_ Coro__State c)
… …
586 int i; 720 int i;
587 721
588 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 722 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
589 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 723 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
590 } 724 }
725
726 SWAP_SVS (c);
591} 727}
592 728
593static void 729static void
594save_perl (pTHX_ Coro__State c) 730save_perl (pTHX_ Coro__State c)
595{ 731{
732 SWAP_SVS (c);
733
596 if (expect_false (c->on_leave)) 734 if (expect_false (c->on_leave))
597 { 735 {
598 int i; 736 int i;
599 737
600 for (i = AvFILLp (c->on_leave); i >= 0; --i) 738 for (i = AvFILLp (c->on_leave); i >= 0; --i)
… …
907slf_check_repeat (pTHX_ struct CoroSLF *frame) 1045slf_check_repeat (pTHX_ struct CoroSLF *frame)
908{ 1046{
909 return 1; 1047 return 1;
910} 1048}
911 1049
912static UNOP coro_setup_op; 1050static UNOP init_perl_op;
913 1051
914static void NOINLINE /* noinline to keep it out of the transfer fast path */ 1052static void NOINLINE /* noinline to keep it out of the transfer fast path */
915coro_setup (pTHX_ struct coro *coro) 1053init_perl (pTHX_ struct coro *coro)
916{ 1054{
917 /* 1055 /*
918 * emulate part of the perl startup here. 1056 * emulate part of the perl startup here.
919 */ 1057 */
920 coro_init_stacks (aTHX); 1058 coro_init_stacks (aTHX);
… …
927 PL_comppad_name_fill = 0; 1065 PL_comppad_name_fill = 0;
928 PL_comppad_name_floor = 0; 1066 PL_comppad_name_floor = 0;
929 PL_curpm = 0; 1067 PL_curpm = 0;
930 PL_curpad = 0; 1068 PL_curpad = 0;
931 PL_localizing = 0; 1069 PL_localizing = 0;
932 PL_dirty = 0;
933 PL_restartop = 0; 1070 PL_restartop = 0;
934#if PERL_VERSION_ATLEAST (5,10,0) 1071#if PERL_VERSION_ATLEAST (5,10,0)
935 PL_parser = 0; 1072 PL_parser = 0;
936#endif 1073#endif
937 PL_hints = 0; 1074 PL_hints = 0;
… …
969 */ 1106 */
970 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 1107 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 */ 1108 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
972 1109
973 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 1110 /* 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; 1111 init_perl_op.op_next = PL_op;
975 coro_setup_op.op_type = OP_ENTERSUB; 1112 init_perl_op.op_type = OP_ENTERSUB;
976 coro_setup_op.op_ppaddr = pp_slf; 1113 init_perl_op.op_ppaddr = pp_slf;
977 /* no flags etc. required, as an init function won't be called */ 1114 /* no flags etc. required, as an init function won't be called */
978 1115
979 PL_op = (OP *)&coro_setup_op; 1116 PL_op = (OP *)&init_perl_op;
980 1117
981 /* copy throw, in case it was set before coro_setup */ 1118 /* copy throw, in case it was set before init_perl */
982 CORO_THROW = coro->except; 1119 CORO_THROW = coro->except;
1120
1121 SWAP_SVS (coro);
983 1122
984 if (expect_false (enable_times)) 1123 if (expect_false (enable_times))
985 { 1124 {
986 coro_times_update (); 1125 coro_times_update ();
987 coro_times_sub (coro); 1126 coro_times_sub (coro);
… …
1008 dounwind (-1); 1147 dounwind (-1);
1009 } 1148 }
1010} 1149}
1011 1150
1012static void 1151static void
1013coro_destruct_perl (pTHX_ struct coro *coro) 1152destroy_perl (pTHX_ struct coro *coro)
1014{ 1153{
1015 SV *svf [9]; 1154 SV *svf [9];
1016 1155
1017 { 1156 {
1018 struct coro *current = SvSTATE_current; 1157 struct coro *current = SvSTATE_current;
… …
1022 save_perl (aTHX_ current); 1161 save_perl (aTHX_ current);
1023 load_perl (aTHX_ coro); 1162 load_perl (aTHX_ coro);
1024 1163
1025 coro_unwind_stacks (aTHX); 1164 coro_unwind_stacks (aTHX);
1026 coro_destruct_stacks (aTHX); 1165 coro_destruct_stacks (aTHX);
1166
1167 /* restore swapped sv's */
1168 SWAP_SVS (coro);
1027 1169
1028 // now save some sv's to be free'd later 1170 // now save some sv's to be free'd later
1029 svf [0] = GvSV (PL_defgv); 1171 svf [0] = GvSV (PL_defgv);
1030 svf [1] = (SV *)GvAV (PL_defgv); 1172 svf [1] = (SV *)GvAV (PL_defgv);
1031 svf [2] = GvSV (PL_errgv); 1173 svf [2] = GvSV (PL_errgv);
… …
1255 /* somebody or something will hit me for both perl_run and PL_restartop */ 1397 /* somebody or something will hit me for both perl_run and PL_restartop */
1256 PL_restartop = PL_op; 1398 PL_restartop = PL_op;
1257 perl_run (PL_curinterp); 1399 perl_run (PL_curinterp);
1258 /* 1400 /*
1259 * Unfortunately, there is no way to get at the return values of the 1401 * Unfortunately, there is no way to get at the return values of the
1260 * coro body here, as perl_run destroys these 1402 * coro body here, as perl_run destroys these. Likewise, we cannot catch
1403 * runtime errors here, as this is just a random interpreter, not a thread.
1261 */ 1404 */
1262 1405
1263 /* 1406 /*
1264 * If perl-run returns we assume exit() was being called or the coro 1407 * 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) 1408 * fell off the end, which seems to be the only valid (non-bug)
… …
1472 if (expect_false (next->flags & CF_NEW)) 1615 if (expect_false (next->flags & CF_NEW))
1473 { 1616 {
1474 /* need to start coroutine */ 1617 /* need to start coroutine */
1475 next->flags &= ~CF_NEW; 1618 next->flags &= ~CF_NEW;
1476 /* setup coroutine call */ 1619 /* setup coroutine call */
1477 coro_setup (aTHX_ next); 1620 init_perl (aTHX_ next);
1478 } 1621 }
1479 else 1622 else
1480 load_perl (aTHX_ next); 1623 load_perl (aTHX_ next);
1481 1624
1482 /* possibly untie and reuse the cctx */ 1625 /* possibly untie and reuse the cctx */
… …
1545 1688
1546 if (coro->mainstack 1689 if (coro->mainstack
1547 && coro->mainstack != main_mainstack 1690 && coro->mainstack != main_mainstack
1548 && coro->slot 1691 && coro->slot
1549 && !PL_dirty) 1692 && !PL_dirty)
1550 coro_destruct_perl (aTHX_ coro); 1693 destroy_perl (aTHX_ coro);
1694
1695 if (coro->next) coro->next->prev = coro->prev;
1696 if (coro->prev) coro->prev->next = coro->next;
1697 if (coro == coro_first) coro_first = coro->next;
1551 1698
1552 cctx_destroy (coro->cctx); 1699 cctx_destroy (coro->cctx);
1553 SvREFCNT_dec (coro->startcv); 1700 SvREFCNT_dec (coro->startcv);
1554 SvREFCNT_dec (coro->args); 1701 SvREFCNT_dec (coro->args);
1702 SvREFCNT_dec (coro->swap_sv);
1555 SvREFCNT_dec (CORO_THROW); 1703 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 1704
1561 return 1; 1705 return 1;
1562} 1706}
1563 1707
1564static int 1708static int
… …
1648 } 1792 }
1649 1793
1650 return 0; 1794 return 0;
1651} 1795}
1652 1796
1797static void
1798invoke_sv_ready_hook_helper (void)
1799{
1800 dTHX;
1801 dSP;
1802
1803 ENTER;
1804 SAVETMPS;
1805
1806 PUSHMARK (SP);
1807 PUTBACK;
1808 call_sv (coro_readyhook, G_VOID | G_DISCARD);
1809
1810 FREETMPS;
1811 LEAVE;
1812}
1813
1653static int 1814static int
1654api_ready (pTHX_ SV *coro_sv) 1815api_ready (pTHX_ SV *coro_sv)
1655{ 1816{
1656 struct coro *coro;
1657 SV *sv_hook;
1658 void (*xs_hook)(void);
1659
1660 coro = SvSTATE (coro_sv); 1817 struct coro *coro = SvSTATE (coro_sv);
1661 1818
1662 if (coro->flags & CF_READY) 1819 if (coro->flags & CF_READY)
1663 return 0; 1820 return 0;
1664 1821
1665 coro->flags |= CF_READY; 1822 coro->flags |= CF_READY;
1666 1823
1667 sv_hook = coro_nready ? 0 : coro_readyhook;
1668 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1669
1670 coro_enq (aTHX_ coro); 1824 coro_enq (aTHX_ coro);
1671 ++coro_nready;
1672 1825
1673 if (sv_hook) 1826 if (!coro_nready++)
1674 { 1827 if (coroapi.readyhook)
1675 dSP; 1828 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 1829
1691 return 1; 1830 return 1;
1692} 1831}
1693 1832
1694static int 1833static int
… …
1739 { 1878 {
1740 /* nothing to schedule: call the idle handler */ 1879 /* nothing to schedule: call the idle handler */
1741 if (SvROK (sv_idle) 1880 if (SvROK (sv_idle)
1742 && SvOBJECT (SvRV (sv_idle))) 1881 && SvOBJECT (SvRV (sv_idle)))
1743 { 1882 {
1883 if (SvRV (sv_idle) == SvRV (coro_current))
1884 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");
1885
1744 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1886 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1745 api_ready (aTHX_ SvRV (sv_idle)); 1887 api_ready (aTHX_ SvRV (sv_idle));
1746 --coro_nready; 1888 --coro_nready;
1747 } 1889 }
1748 else 1890 else
1749 { 1891 {
1892 /* TODO: deprecated, remove, cannot work reliably *//*D*/
1750 dSP; 1893 dSP;
1751 1894
1752 ENTER; 1895 ENTER;
1753 SAVETMPS; 1896 SAVETMPS;
1754 1897
… …
1900{ 2043{
1901 int i; 2044 int i;
1902 HV *hv = (HV *)SvRV (coro_current); 2045 HV *hv = (HV *)SvRV (coro_current);
1903 AV *av = newAV (); 2046 AV *av = newAV ();
1904 2047
2048 /* items are actually not so common, so optimise for this case */
2049 if (items)
2050 {
1905 av_extend (av, items - 1); 2051 av_extend (av, items - 1);
2052
1906 for (i = 0; i < items; ++i) 2053 for (i = 0; i < items; ++i)
1907 av_push (av, SvREFCNT_inc_NN (arg [i])); 2054 av_push (av, SvREFCNT_inc_NN (arg [i]));
2055 }
1908 2056
1909 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); 2057 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1910 2058
1911 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2059 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1912 api_ready (aTHX_ sv_manager); 2060 api_ready (aTHX_ sv_manager);
… …
2328 if (PL_op->op_flags & OPf_STACKED) 2476 if (PL_op->op_flags & OPf_STACKED)
2329 { 2477 {
2330 if (items > slf_arga) 2478 if (items > slf_arga)
2331 { 2479 {
2332 slf_arga = items; 2480 slf_arga = items;
2333 free (slf_argv); 2481 Safefree (slf_argv);
2334 slf_argv = malloc (slf_arga * sizeof (SV *)); 2482 New (0, slf_argv, slf_arga, SV *);
2335 } 2483 }
2336 2484
2337 slf_argc = items; 2485 slf_argc = items;
2338 2486
2339 for (i = 0; i < items; ++i) 2487 for (i = 0; i < items; ++i)
… …
2700 { 2848 {
2701 SV *cb_cv = s_get_cv_croak (arg [1]); 2849 SV *cb_cv = s_get_cv_croak (arg [1]);
2702 av_push (av, SvREFCNT_inc_NN (cb_cv)); 2850 av_push (av, SvREFCNT_inc_NN (cb_cv));
2703 2851
2704 if (SvIVX (AvARRAY (av)[0])) 2852 if (SvIVX (AvARRAY (av)[0]))
2705 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ 2853 coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */
2706 2854
2707 frame->prepare = prepare_nop; 2855 frame->prepare = prepare_nop;
2708 frame->check = slf_check_nop; 2856 frame->check = slf_check_nop;
2709 } 2857 }
2710 else if (SvIVX (AvARRAY (av)[0])) 2858 else if (SvIVX (AvARRAY (av)[0]))
… …
2872 /* now call the AIO function - we assume our request is uncancelable */ 3020 /* now call the AIO function - we assume our request is uncancelable */
2873 PUTBACK; 3021 PUTBACK;
2874 call_sv ((SV *)req, G_VOID | G_DISCARD); 3022 call_sv ((SV *)req, G_VOID | G_DISCARD);
2875 } 3023 }
2876 3024
2877 /* now that the requets is going, we loop toll we have a result */ 3025 /* now that the request is going, we loop till we have a result */
2878 frame->data = (void *)state; 3026 frame->data = (void *)state;
2879 frame->prepare = prepare_schedule; 3027 frame->prepare = prepare_schedule;
2880 frame->check = slf_check_aio_req; 3028 frame->check = slf_check_aio_req;
2881} 3029}
2882 3030
… …
2893/*****************************************************************************/ 3041/*****************************************************************************/
2894 3042
2895#if CORO_CLONE 3043#if CORO_CLONE
2896# include "clone.c" 3044# include "clone.c"
2897#endif 3045#endif
3046
3047/*****************************************************************************/
3048
3049static SV *
3050coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro)
3051{
3052 SV *coro_sv;
3053 struct coro *coro;
3054 MAGIC *mg;
3055 HV *hv;
3056 SV *cb;
3057 int i;
3058
3059 if (argc > 0)
3060 {
3061 cb = s_get_cv_croak (argv [0]);
3062
3063 if (!is_coro)
3064 {
3065 if (CvISXSUB (cb))
3066 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
3067
3068 if (!CvROOT (cb))
3069 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
3070 }
3071 }
3072
3073 Newz (0, coro, 1, struct coro);
3074 coro->args = newAV ();
3075 coro->flags = CF_NEW;
3076
3077 if (coro_first) coro_first->prev = coro;
3078 coro->next = coro_first;
3079 coro_first = coro;
3080
3081 coro->hv = hv = newHV ();
3082 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3083 mg->mg_flags |= MGf_DUP;
3084 coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
3085
3086 if (argc > 0)
3087 {
3088 av_extend (coro->args, argc + is_coro - 1);
3089
3090 if (is_coro)
3091 {
3092 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3093 cb = (SV *)cv_coro_run;
3094 }
3095
3096 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3097
3098 for (i = 1; i < argc; i++)
3099 av_push (coro->args, newSVsv (argv [i]));
3100 }
3101
3102 return coro_sv;
3103}
2898 3104
2899MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3105MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2900 3106
2901PROTOTYPES: DISABLE 3107PROTOTYPES: DISABLE
2902 3108
… …
2955 coroapi.prepare_nop = prepare_nop; 3161 coroapi.prepare_nop = prepare_nop;
2956 coroapi.prepare_schedule = prepare_schedule; 3162 coroapi.prepare_schedule = prepare_schedule;
2957 coroapi.prepare_cede = prepare_cede; 3163 coroapi.prepare_cede = prepare_cede;
2958 coroapi.prepare_cede_notself = prepare_cede_notself; 3164 coroapi.prepare_cede_notself = prepare_cede_notself;
2959 3165
2960 { 3166 time_init ();
2961 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
2962
2963 if (!svp) croak ("Time::HiRes is required");
2964 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2965
2966 nvtime = INT2PTR (double (*)(), SvIV (*svp));
2967
2968 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
2969 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
2970 }
2971 3167
2972 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3168 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2973} 3169}
2974 3170
2975SV * 3171SV *
2976new (char *klass, ...) 3172new (SV *klass, ...)
2977 ALIAS: 3173 ALIAS:
2978 Coro::new = 1 3174 Coro::new = 1
2979 CODE: 3175 CODE:
2980{ 3176 RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2981 struct coro *coro; 3177 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 3178 RETVAL
3032 3179
3033void 3180void
3034transfer (...) 3181transfer (...)
3035 PROTOTYPE: $$ 3182 PROTOTYPE: $$
… …
3172 RETVAL = boolSV (coro->flags & ix); 3319 RETVAL = boolSV (coro->flags & ix);
3173 OUTPUT: 3320 OUTPUT:
3174 RETVAL 3321 RETVAL
3175 3322
3176void 3323void
3177throw (Coro::State self, SV *throw = &PL_sv_undef) 3324throw (Coro::State self, SV *exception = &PL_sv_undef)
3178 PROTOTYPE: $;$ 3325 PROTOTYPE: $;$
3179 CODE: 3326 CODE:
3180{ 3327{
3181 struct coro *current = SvSTATE_current; 3328 struct coro *current = SvSTATE_current;
3182 SV **throwp = self == current ? &CORO_THROW : &self->except; 3329 SV **exceptionp = self == current ? &CORO_THROW : &self->except;
3183 SvREFCNT_dec (*throwp); 3330 SvREFCNT_dec (*exceptionp);
3184 SvGETMAGIC (throw); 3331 SvGETMAGIC (exception);
3185 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 3332 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3186} 3333}
3187 3334
3188void 3335void
3189api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3336api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3190 PROTOTYPE: $;$ 3337 PROTOTYPE: $;$
… …
3285 3432
3286 if (expect_false (current == self)) 3433 if (expect_false (current == self))
3287 coro_times_sub (SvSTATE (coro_current)); 3434 coro_times_sub (SvSTATE (coro_current));
3288} 3435}
3289 3436
3437void
3438swap_sv (Coro::State coro, SV *sv, SV *swapsv)
3439 CODE:
3440{
3441 struct coro *current = SvSTATE_current;
3442
3443 if (current == coro)
3444 SWAP_SVS (current);
3445
3446 if (!coro->swap_sv)
3447 coro->swap_sv = newAV ();
3448
3449 av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));
3450 av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));
3451
3452 if (current == coro)
3453 SWAP_SVS (current);
3454}
3455
3456
3290MODULE = Coro::State PACKAGE = Coro 3457MODULE = Coro::State PACKAGE = Coro
3291 3458
3292BOOT: 3459BOOT:
3293{ 3460{
3294 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3461 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
… …
3302 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); 3469 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3303 3470
3304 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3471 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); 3472 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); 3473 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); 3474 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3308 3475
3309 coro_stash = gv_stashpv ("Coro", TRUE); 3476 coro_stash = gv_stashpv ("Coro", TRUE);
3310 3477
3311 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3478 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3312 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3479 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3313 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3480 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
3331 sv_setiv (sv, (IV)&coroapi); 3498 sv_setiv (sv, (IV)&coroapi);
3332 SvREADONLY_on (sv); 3499 SvREADONLY_on (sv);
3333 } 3500 }
3334} 3501}
3335 3502
3503SV *
3504async (...)
3505 PROTOTYPE: &@
3506 CODE:
3507 RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1);
3508 api_ready (aTHX_ RETVAL);
3509 OUTPUT:
3510 RETVAL
3511
3336void 3512void
3337terminate (...) 3513terminate (...)
3338 CODE: 3514 CODE:
3339 CORO_EXECUTE_SLF_XS (slf_init_terminate); 3515 CORO_EXECUTE_SLF_XS (slf_init_terminate);
3340 3516
… …
3374_set_readyhook (SV *hook) 3550_set_readyhook (SV *hook)
3375 PROTOTYPE: $ 3551 PROTOTYPE: $
3376 CODE: 3552 CODE:
3377 SvREFCNT_dec (coro_readyhook); 3553 SvREFCNT_dec (coro_readyhook);
3378 SvGETMAGIC (hook); 3554 SvGETMAGIC (hook);
3555 if (SvOK (hook))
3556 {
3379 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; 3557 coro_readyhook = newSVsv (hook);
3558 CORO_READYHOOK = invoke_sv_ready_hook_helper;
3559 }
3560 else
3561 {
3562 coro_readyhook = 0;
3563 CORO_READYHOOK = 0;
3564 }
3380 3565
3381int 3566int
3382prio (Coro::State coro, int newprio = 0) 3567prio (Coro::State coro, int newprio = 0)
3383 PROTOTYPE: $;$ 3568 PROTOTYPE: $;$
3384 ALIAS: 3569 ALIAS:
… …
3448 for (i = 1; i < items; ++i) 3633 for (i = 1; i < items; ++i)
3449 av_push (av, SvREFCNT_inc_NN (ST (i))); 3634 av_push (av, SvREFCNT_inc_NN (ST (i)));
3450 3635
3451 if ((SV *)hv == &PL_sv_undef) 3636 if ((SV *)hv == &PL_sv_undef)
3452 { 3637 {
3453 PUSHMARK (SP); 3638 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)); 3639 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3640 SvREFCNT_dec (sv);
3462 } 3641 }
3463 3642
3464 { 3643 {
3465 struct coro *coro = SvSTATE_hv (hv); 3644 struct coro *coro = SvSTATE_hv (hv);
3466 3645
… …
3717 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); 3896 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3718 sv_setpv ((SV *)slf_cv, proto); 3897 sv_setpv ((SV *)slf_cv, proto);
3719 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); 3898 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3720} 3899}
3721 3900
3901MODULE = Coro::State PACKAGE = Coro::Select
3902
3903void
3904patch_pp_sselect ()
3905 CODE:
3906 if (!coro_old_pp_sselect)
3907 {
3908 coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
3909 coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
3910 PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
3911 }
3912
3913void
3914unpatch_pp_sselect ()
3915 CODE:
3916 if (coro_old_pp_sselect)
3917 {
3918 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
3919 coro_old_pp_sselect = 0;
3920 }
3921

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