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Comparing Coro/Coro/State.xs (file contents):
Revision 1.201 by root, Mon Oct 8 01:23:14 2007 UTC vs.
Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC

10#include "patchlevel.h" 10#include "patchlevel.h"
11 11
12#include <stdio.h> 12#include <stdio.h>
13#include <errno.h> 13#include <errno.h>
14#include <assert.h> 14#include <assert.h>
15#include <inttypes.h> /* portable stdint.h */
15 16
16#ifdef HAVE_MMAP 17#ifdef HAVE_MMAP
17# include <unistd.h> 18# include <unistd.h>
18# include <sys/mman.h> 19# include <sys/mman.h>
19# ifndef MAP_ANONYMOUS 20# ifndef MAP_ANONYMOUS
130#else 131#else
131# define LOCK (void)0 132# define LOCK (void)0
132# define UNLOCK (void)0 133# define UNLOCK (void)0
133#endif 134#endif
134 135
135#define strpair(const) const, sizeof (const) - 1
136
137/* helper storage struct for Coro::AIO */ 136/* helper storage struct for Coro::AIO */
138struct io_state 137struct io_state
139{ 138{
140 int errorno; 139 int errorno;
141 I32 laststype; 140 I32 laststype;
221 220
222 /* process data */ 221 /* process data */
223 AV *mainstack; 222 AV *mainstack;
224 perl_slots *slot; /* basically the saved sp */ 223 perl_slots *slot; /* basically the saved sp */
225 224
226 /* data associated with this coroutine (initial args) */ 225 AV *args; /* data associated with this coroutine (initial args) */
227 AV *args; 226 int refcnt; /* coroutines are refcounted, yes */
228 int refcnt;
229 int flags; /* CF_ flags */ 227 int flags; /* CF_ flags */
228 HV *hv; /* the perl hash associated with this coro, if any */
230 229
231 /* statistics */ 230 /* statistics */
232 int usecount; /* number of transfers to this coro */ 231 int usecount; /* number of transfers to this coro */
233 232
234 /* coro process data */ 233 /* coro process data */
235 int prio; 234 int prio;
236 SV *throw; 235 SV *throw; /* exception to be thrown */
237 236
238 /* async_pool */ 237 /* async_pool */
239 SV *saved_deffh; 238 SV *saved_deffh;
240 239
241 /* linked list */ 240 /* linked list */
242 struct coro *next, *prev; 241 struct coro *next, *prev;
243 HV *hv; /* the perl hash associated with this coro, if any */
244}; 242};
245 243
246typedef struct coro *Coro__State; 244typedef struct coro *Coro__State;
247typedef struct coro *Coro__State_or_hashref; 245typedef struct coro *Coro__State_or_hashref;
248 246
453 451
454 #define VAR(name,type) PL_ ## name = slot->name; 452 #define VAR(name,type) PL_ ## name = slot->name;
455 # include "state.h" 453 # include "state.h"
456 #undef VAR 454 #undef VAR
457 455
456 /*hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);*/
457 /*hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);*/
458
458 { 459 {
459 dSP; 460 dSP;
460 461
461 CV *cv; 462 CV *cv;
462 463
521 522
522 PUTBACK; 523 PUTBACK;
523 } 524 }
524 525
525 /* allocate some space on the context stack for our purposes */ 526 /* allocate some space on the context stack for our purposes */
527 /* we manually unroll here, as usually 2 slots is enough */
528 if (SLOT_COUNT >= 1) CXINC;
529 if (SLOT_COUNT >= 2) CXINC;
530 if (SLOT_COUNT >= 3) CXINC;
526 { 531 {
527 /* we manually unroll here, as usually 2 slots is enough */
528 int i; 532 int i;
529 if (SLOT_COUNT >= 1) CXINC;
530 if (SLOT_COUNT >= 2) CXINC;
531 if (SLOT_COUNT >= 3) CXINC;
532 for (i = 3; i < SLOT_COUNT; ++i) 533 for (i = 3; i < SLOT_COUNT; ++i)
533 CXINC; 534 CXINC;
534
535 cxstack_ix -= SLOT_COUNT; /* undo allocation */
536 } 535 }
536 cxstack_ix -= SLOT_COUNT; /* undo allocation */
537 537
538 c->mainstack = PL_mainstack; 538 c->mainstack = PL_mainstack;
539 539
540 { 540 {
541 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 541 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
685 PL_curpm = 0; 685 PL_curpm = 0;
686 PL_curpad = 0; 686 PL_curpad = 0;
687 PL_localizing = 0; 687 PL_localizing = 0;
688 PL_dirty = 0; 688 PL_dirty = 0;
689 PL_restartop = 0; 689 PL_restartop = 0;
690 SvREFCNT_inc (PL_diehook ); hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); 690 PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
691 SvREFCNT_inc (PL_warnhook); hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); 691 PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
692 692
693 GvSV (PL_defgv) = newSV (0); 693 GvSV (PL_defgv) = newSV (0);
694 GvAV (PL_defgv) = coro->args; coro->args = 0; 694 GvAV (PL_defgv) = coro->args; coro->args = 0;
695 GvSV (PL_errgv) = newSV (0); 695 GvSV (PL_errgv) = newSV (0);
696 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 696 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
711 PL_op = (OP *)&myop; 711 PL_op = (OP *)&myop;
712 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 712 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
713 SPAGAIN; 713 SPAGAIN;
714 } 714 }
715 715
716 ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ 716 /* this newly created coroutine might be run on an existing cctx which most
717 * likely was suspended in set_stacklevel, called from entersub.
718 * set_stacklevl doesn't do anything on return, but entersub does LEAVE,
719 * so we ENTER here for symmetry
720 */
721 ENTER;
717} 722}
718 723
719static void 724static void
720coro_destroy (pTHX_ struct coro *coro) 725coro_destroy (pTHX_ struct coro *coro)
721{ 726{
805 PUSHMARK (SP); 810 PUSHMARK (SP);
806 PUSHs (&PL_sv_no); 811 PUSHs (&PL_sv_no);
807 PUSHs (fullname); 812 PUSHs (fullname);
808 PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 813 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
809 PUTBACK; 814 PUTBACK;
810 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 815 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
811 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 816 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
812 SPAGAIN; 817 SPAGAIN;
813 FREETMPS; 818 FREETMPS;
814 LEAVE; 819 LEAVE;
815 PL_runops = runops_trace; 820 PL_runops = runops_trace;
844 PUSHMARK (SP); 849 PUSHMARK (SP);
845 PUSHs (&PL_sv_yes); 850 PUSHs (&PL_sv_yes);
846 PUSHs (fullname); 851 PUSHs (fullname);
847 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 852 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
848 PUTBACK; 853 PUTBACK;
849 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 854 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
850 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 855 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
851 SPAGAIN; 856 SPAGAIN;
852 FREETMPS; 857 FREETMPS;
853 LEAVE; 858 LEAVE;
854 PL_runops = runops_trace; 859 PL_runops = runops_trace;
868 PL_runops = RUNOPS_DEFAULT; 873 PL_runops = RUNOPS_DEFAULT;
869 PUSHMARK (SP); 874 PUSHMARK (SP);
870 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); 875 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
871 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); 876 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
872 PUTBACK; 877 PUTBACK;
873 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); 878 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
874 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 879 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
875 SPAGAIN; 880 SPAGAIN;
876 FREETMPS; 881 FREETMPS;
877 LEAVE; 882 LEAVE;
878 PL_runops = runops_trace; 883 PL_runops = runops_trace;
1505 1510
1506 hv_sig = coro_get_hv ("SIG", TRUE); 1511 hv_sig = coro_get_hv ("SIG", TRUE);
1507 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); 1512 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
1508 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); 1513 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
1509 1514
1510 if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); 1515 if (!PL_diehook ) hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
1511 if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); 1516 if (!PL_warnhook) hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
1512 1517
1513 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1518 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1514 1519
1515 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1520 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1516 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1521 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1522 1527
1523 while (main_top_env->je_prev) 1528 while (main_top_env->je_prev)
1524 main_top_env = main_top_env->je_prev; 1529 main_top_env = main_top_env->je_prev;
1525 1530
1526 coroapi.ver = CORO_API_VERSION; 1531 coroapi.ver = CORO_API_VERSION;
1532 coroapi.rev = CORO_API_REVISION;
1527 coroapi.transfer = api_transfer; 1533 coroapi.transfer = api_transfer;
1528 1534
1529 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1535 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1530} 1536}
1531 1537
1598 1604
1599 break; 1605 break;
1600 } 1606 }
1601 1607
1602 BARRIER; 1608 BARRIER;
1609 PUTBACK;
1603 TRANSFER (ta); 1610 TRANSFER (ta);
1604 1611 SPAGAIN; /* might be the sp of a different coroutine now */
1605 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) 1612 /* be extra careful not to ever do anything after TRANSFER */
1606 XSRETURN_YES;
1607} 1613}
1608 1614
1609bool 1615bool
1610_destroy (SV *coro_sv) 1616_destroy (SV *coro_sv)
1611 CODE: 1617 CODE:
1671 1677
1672 { 1678 {
1673 dSP; 1679 dSP;
1674 ENTER; 1680 ENTER;
1675 SAVETMPS; 1681 SAVETMPS;
1682 PUTBACK;
1683 PUSHSTACK;
1676 PUSHMARK (SP); 1684 PUSHMARK (SP);
1677 PUTBACK;
1678 1685
1679 if (ix) 1686 if (ix)
1680 eval_sv (coderef, 0); 1687 eval_sv (coderef, 0);
1681 else 1688 else
1682 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1689 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1683 1690
1691 POPSTACK;
1684 SPAGAIN; 1692 SPAGAIN;
1685 FREETMPS; 1693 FREETMPS;
1686 LEAVE; 1694 LEAVE;
1687 PUTBACK; 1695 PUTBACK;
1688 } 1696 }
1843 CODE: 1851 CODE:
1844{ 1852{
1845 struct coro *coro = SvSTATE (coro_current); 1853 struct coro *coro = SvSTATE (coro_current);
1846 HV *hv = (HV *)SvRV (coro_current); 1854 HV *hv = (HV *)SvRV (coro_current);
1847 AV *defav = GvAV (PL_defgv); 1855 AV *defav = GvAV (PL_defgv);
1848 SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); 1856 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1849 AV *invoke_av; 1857 AV *invoke_av;
1850 int i, len; 1858 int i, len;
1851 1859
1852 if (!invoke) 1860 if (!invoke)
1853 croak ("\3async_pool terminate\2\n"); 1861 croak ("\3async_pool terminate\2\n");
1854 1862
1855 SvREFCNT_dec (coro->saved_deffh); 1863 SvREFCNT_dec (coro->saved_deffh);
1856 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 1864 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1857 1865
1858 hv_store (hv, "desc", sizeof ("desc") - 1, 1866 hv_store (hv, "desc", sizeof ("desc") - 1,
1859 newSVpvn (strpair ("[async_pool]")), 0); 1867 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1860 1868
1861 invoke_av = (AV *)SvRV (invoke); 1869 invoke_av = (AV *)SvRV (invoke);
1862 len = av_len (invoke_av); 1870 len = av_len (invoke_av);
1863 1871
1864 sv_setsv (cb, AvARRAY (invoke_av)[0]); 1872 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1887 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 1895 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1888 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1896 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1889 croak ("\3async_pool terminate\2\n"); 1897 croak ("\3async_pool terminate\2\n");
1890 1898
1891 av_clear (GvAV (PL_defgv)); 1899 av_clear (GvAV (PL_defgv));
1892 hv_store ((HV *)SvRV (coro_current), strpair ("desc"), 1900 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1893 newSVpvn (strpair ("[async_pool idle]")), 0); 1901 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1894 1902
1895 coro->prio = 0; 1903 coro->prio = 0;
1896 1904
1897 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 1905 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1898 api_trace (coro_current, 0); 1906 api_trace (coro_current, 0);

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