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Comparing Coro/Coro/State.xs (file contents):
Revision 1.366 by root, Tue Jul 21 03:39:58 2009 UTC vs.
Revision 1.391 by root, Thu Mar 31 04:24:19 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
… …
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>
16 21
17#ifdef WIN32 22#ifndef SVs_PADSTALE
23# define SVs_PADSTALE 0
24#endif
25
26#if defined(_WIN32)
27# undef HAS_GETTIMEOFDAY
18# undef setjmp 28# undef setjmp
19# undef longjmp 29# undef longjmp
20# undef _exit 30# undef _exit
21# define setjmp _setjmp /* deep magic */ 31# define setjmp _setjmp /* deep magic */
22#else 32#else
… …
142static SV *sv_pool_size; 152static SV *sv_pool_size;
143static SV *sv_async_pool_idle; /* description string */ 153static SV *sv_async_pool_idle; /* description string */
144static AV *av_async_pool; /* idle pool */ 154static AV *av_async_pool; /* idle pool */
145static SV *sv_Coro; /* class string */ 155static SV *sv_Coro; /* class string */
146static CV *cv_pool_handler; 156static CV *cv_pool_handler;
147static CV *cv_coro_state_new;
148 157
149/* Coro::AnyEvent */ 158/* Coro::AnyEvent */
150static SV *sv_activity; 159static SV *sv_activity;
151 160
152/* enable processtime/realtime profiling */ 161/* enable processtime/realtime profiling */
… …
232 CV *startcv; /* the CV to execute */ 241 CV *startcv; /* the CV to execute */
233 AV *args; /* data associated with this coroutine (initial args) */ 242 AV *args; /* data associated with this coroutine (initial args) */
234 int refcnt; /* coroutines are refcounted, yes */ 243 int refcnt; /* coroutines are refcounted, yes */
235 int flags; /* CF_ flags */ 244 int flags; /* CF_ flags */
236 HV *hv; /* the perl hash associated with this coro, if any */ 245 HV *hv; /* the perl hash associated with this coro, if any */
237 void (*on_destroy)(pTHX_ struct coro *coro); 246 void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */
238 247
239 /* statistics */ 248 /* statistics */
240 int usecount; /* number of transfers to this coro */ 249 int usecount; /* number of transfers to this coro */
241 250
242 /* coro process data */ 251 /* coro process data */
… …
250 AV *invoke_av; 259 AV *invoke_av;
251 260
252 /* on_enter/on_leave */ 261 /* on_enter/on_leave */
253 AV *on_enter; 262 AV *on_enter;
254 AV *on_leave; 263 AV *on_leave;
264
265 /* swap_sv */
266 AV *swap_sv;
255 267
256 /* times */ 268 /* times */
257 coro_ts t_cpu, t_real; 269 coro_ts t_cpu, t_real;
258 270
259 /* linked list */ 271 /* linked list */
… …
290static OP *(*coro_old_pp_sselect) (pTHX); 302static OP *(*coro_old_pp_sselect) (pTHX);
291static SV *coro_select_select; 303static SV *coro_select_select;
292 304
293/* horrible hack, but if it works... */ 305/* horrible hack, but if it works... */
294static OP * 306static OP *
295coro_pp_sselect (aTHX) 307coro_pp_sselect (pTHX)
296{ 308{
297 dSP; 309 dSP;
298 PUSHMARK (SP - 4); /* fake argument list */ 310 PUSHMARK (SP - 4); /* fake argument list */
299 XPUSHs (coro_select_select); 311 XPUSHs (coro_select_select);
300 PUTBACK; 312 PUTBACK;
… …
302 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ 314 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
303 PL_op->op_flags |= OPf_STACKED; 315 PL_op->op_flags |= OPf_STACKED;
304 PL_op->op_private = 0; 316 PL_op->op_private = 0;
305 return PL_ppaddr [OP_ENTERSUB](aTHX); 317 return PL_ppaddr [OP_ENTERSUB](aTHX);
306} 318}
319
320/** time stuff **************************************************************/
321
322#ifdef HAS_GETTIMEOFDAY
323
324static void
325coro_u2time (pTHX_ UV ret[2])
326{
327 struct timeval tv;
328 gettimeofday (&tv, 0);
329
330 ret [0] = tv.tv_sec;
331 ret [1] = tv.tv_usec;
332}
333
334static double
335coro_nvtime ()
336{
337 struct timeval tv;
338 gettimeofday (&tv, 0);
339
340 return tv.tv_sec + tv.tv_usec * 1e-6;
341}
342
343static void
344time_init (pTHX)
345{
346 nvtime = coro_nvtime;
347 u2time = coro_u2time;
348}
349
350#else
351
352static void
353time_init (pTHX)
354{
355 SV **svp;
356
357 require_pv ("Time/HiRes.pm");
358
359 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
360
361 if (!svp) croak ("Time::HiRes is required, but missing.");
362 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
363
364 nvtime = INT2PTR (double (*)(), SvIV (*svp));
365
366 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
367 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
368}
369
370#endif
307 371
308/** lowlevel stuff **********************************************************/ 372/** lowlevel stuff **********************************************************/
309 373
310static SV * 374static SV *
311coro_get_sv (pTHX_ const char *name, int create) 375coro_get_sv (pTHX_ const char *name, int create)
… …
551 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 615 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
552} 616}
553 617
554/** load & save, init *******************************************************/ 618/** load & save, init *******************************************************/
555 619
620/* swap sv heads, at least logically */
621static void
622swap_svs (pTHX_ Coro__State c)
623{
624 int i;
625
626 for (i = 0; i <= AvFILLp (c->swap_sv); )
627 {
628 SV *a = AvARRAY (c->swap_sv)[i++];
629 SV *b = AvARRAY (c->swap_sv)[i++];
630
631 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
632 SV tmp;
633
634 /* swap sv_any */
635 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
636
637 /* swap sv_flags */
638 SvFLAGS (&tmp) = SvFLAGS (a);
639 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
640 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
641
642#if PERL_VERSION_ATLEAST (5,10,0)
643 /* perl 5.10 complicates this _quite_ a bit, but it also is
644 * much faster, so no quarrels here. alternatively, we could
645 * sv_upgrade to avoid this.
646 */
647 {
648 /* swap sv_u */
649 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
650
651 /* if SvANY points to the head, we need to adjust the pointers,
652 * as the pointer for a still points to b, and maybe vice versa.
653 */
654 #define svany_in_head(type) \
655 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
656
657 if (svany_in_head (SvTYPE (a)))
658 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
659
660 if (svany_in_head (SvTYPE (b)))
661 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
662 }
663#endif
664 }
665}
666
667#define SWAP_SVS(coro) \
668 if (expect_false ((coro)->swap_sv)) \
669 swap_svs (aTHX_ (coro))
670
556static void 671static void
557on_enterleave_call (pTHX_ SV *cb); 672on_enterleave_call (pTHX_ SV *cb);
558 673
559static void 674static void
560load_perl (pTHX_ Coro__State c) 675load_perl (pTHX_ Coro__State c)
… …
606 int i; 721 int i;
607 722
608 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 723 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
609 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 724 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
610 } 725 }
726
727 SWAP_SVS (c);
611} 728}
612 729
613static void 730static void
614save_perl (pTHX_ Coro__State c) 731save_perl (pTHX_ Coro__State c)
615{ 732{
733 SWAP_SVS (c);
734
616 if (expect_false (c->on_leave)) 735 if (expect_false (c->on_leave))
617 { 736 {
618 int i; 737 int i;
619 738
620 for (i = AvFILLp (c->on_leave); i >= 0; --i) 739 for (i = AvFILLp (c->on_leave); i >= 0; --i)
… …
927slf_check_repeat (pTHX_ struct CoroSLF *frame) 1046slf_check_repeat (pTHX_ struct CoroSLF *frame)
928{ 1047{
929 return 1; 1048 return 1;
930} 1049}
931 1050
932static UNOP coro_setup_op; 1051static UNOP init_perl_op;
933 1052
934static void NOINLINE /* noinline to keep it out of the transfer fast path */ 1053static void NOINLINE /* noinline to keep it out of the transfer fast path */
935coro_setup (pTHX_ struct coro *coro) 1054init_perl (pTHX_ struct coro *coro)
936{ 1055{
937 /* 1056 /*
938 * emulate part of the perl startup here. 1057 * emulate part of the perl startup here.
939 */ 1058 */
940 coro_init_stacks (aTHX); 1059 coro_init_stacks (aTHX);
… …
947 PL_comppad_name_fill = 0; 1066 PL_comppad_name_fill = 0;
948 PL_comppad_name_floor = 0; 1067 PL_comppad_name_floor = 0;
949 PL_curpm = 0; 1068 PL_curpm = 0;
950 PL_curpad = 0; 1069 PL_curpad = 0;
951 PL_localizing = 0; 1070 PL_localizing = 0;
952 PL_dirty = 0;
953 PL_restartop = 0; 1071 PL_restartop = 0;
954#if PERL_VERSION_ATLEAST (5,10,0) 1072#if PERL_VERSION_ATLEAST (5,10,0)
955 PL_parser = 0; 1073 PL_parser = 0;
956#endif 1074#endif
957 PL_hints = 0; 1075 PL_hints = 0;
… …
989 */ 1107 */
990 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 1108 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
991 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 1109 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
992 1110
993 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 1111 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
994 coro_setup_op.op_next = PL_op; 1112 init_perl_op.op_next = PL_op;
995 coro_setup_op.op_type = OP_ENTERSUB; 1113 init_perl_op.op_type = OP_ENTERSUB;
996 coro_setup_op.op_ppaddr = pp_slf; 1114 init_perl_op.op_ppaddr = pp_slf;
997 /* no flags etc. required, as an init function won't be called */ 1115 /* no flags etc. required, as an init function won't be called */
998 1116
999 PL_op = (OP *)&coro_setup_op; 1117 PL_op = (OP *)&init_perl_op;
1000 1118
1001 /* copy throw, in case it was set before coro_setup */ 1119 /* copy throw, in case it was set before init_perl */
1002 CORO_THROW = coro->except; 1120 CORO_THROW = coro->except;
1121
1122 SWAP_SVS (coro);
1003 1123
1004 if (expect_false (enable_times)) 1124 if (expect_false (enable_times))
1005 { 1125 {
1006 coro_times_update (); 1126 coro_times_update ();
1007 coro_times_sub (coro); 1127 coro_times_sub (coro);
… …
1028 dounwind (-1); 1148 dounwind (-1);
1029 } 1149 }
1030} 1150}
1031 1151
1032static void 1152static void
1033coro_destruct_perl (pTHX_ struct coro *coro) 1153destroy_perl (pTHX_ struct coro *coro)
1034{ 1154{
1035 SV *svf [9]; 1155 SV *svf [9];
1036 1156
1037 { 1157 {
1038 struct coro *current = SvSTATE_current; 1158 struct coro *current = SvSTATE_current;
… …
1042 save_perl (aTHX_ current); 1162 save_perl (aTHX_ current);
1043 load_perl (aTHX_ coro); 1163 load_perl (aTHX_ coro);
1044 1164
1045 coro_unwind_stacks (aTHX); 1165 coro_unwind_stacks (aTHX);
1046 coro_destruct_stacks (aTHX); 1166 coro_destruct_stacks (aTHX);
1167
1168 /* restore swapped sv's */
1169 SWAP_SVS (coro);
1047 1170
1048 // now save some sv's to be free'd later 1171 // now save some sv's to be free'd later
1049 svf [0] = GvSV (PL_defgv); 1172 svf [0] = GvSV (PL_defgv);
1050 svf [1] = (SV *)GvAV (PL_defgv); 1173 svf [1] = (SV *)GvAV (PL_defgv);
1051 svf [2] = GvSV (PL_errgv); 1174 svf [2] = GvSV (PL_errgv);
… …
1275 /* somebody or something will hit me for both perl_run and PL_restartop */ 1398 /* somebody or something will hit me for both perl_run and PL_restartop */
1276 PL_restartop = PL_op; 1399 PL_restartop = PL_op;
1277 perl_run (PL_curinterp); 1400 perl_run (PL_curinterp);
1278 /* 1401 /*
1279 * Unfortunately, there is no way to get at the return values of the 1402 * Unfortunately, there is no way to get at the return values of the
1280 * coro body here, as perl_run destroys these 1403 * coro body here, as perl_run destroys these. Likewise, we cannot catch
1404 * runtime errors here, as this is just a random interpreter, not a thread.
1281 */ 1405 */
1282 1406
1283 /* 1407 /*
1284 * If perl-run returns we assume exit() was being called or the coro 1408 * If perl-run returns we assume exit() was being called or the coro
1285 * fell off the end, which seems to be the only valid (non-bug) 1409 * fell off the end, which seems to be the only valid (non-bug)
… …
1492 if (expect_false (next->flags & CF_NEW)) 1616 if (expect_false (next->flags & CF_NEW))
1493 { 1617 {
1494 /* need to start coroutine */ 1618 /* need to start coroutine */
1495 next->flags &= ~CF_NEW; 1619 next->flags &= ~CF_NEW;
1496 /* setup coroutine call */ 1620 /* setup coroutine call */
1497 coro_setup (aTHX_ next); 1621 init_perl (aTHX_ next);
1498 } 1622 }
1499 else 1623 else
1500 load_perl (aTHX_ next); 1624 load_perl (aTHX_ next);
1501 1625
1502 /* possibly untie and reuse the cctx */ 1626 /* possibly untie and reuse the cctx */
… …
1565 1689
1566 if (coro->mainstack 1690 if (coro->mainstack
1567 && coro->mainstack != main_mainstack 1691 && coro->mainstack != main_mainstack
1568 && coro->slot 1692 && coro->slot
1569 && !PL_dirty) 1693 && !PL_dirty)
1570 coro_destruct_perl (aTHX_ coro); 1694 destroy_perl (aTHX_ coro);
1695
1696 if (coro->next) coro->next->prev = coro->prev;
1697 if (coro->prev) coro->prev->next = coro->next;
1698 if (coro == coro_first) coro_first = coro->next;
1571 1699
1572 cctx_destroy (coro->cctx); 1700 cctx_destroy (coro->cctx);
1573 SvREFCNT_dec (coro->startcv); 1701 SvREFCNT_dec (coro->startcv);
1574 SvREFCNT_dec (coro->args); 1702 SvREFCNT_dec (coro->args);
1703 SvREFCNT_dec (coro->swap_sv);
1575 SvREFCNT_dec (CORO_THROW); 1704 SvREFCNT_dec (CORO_THROW);
1576
1577 if (coro->next) coro->next->prev = coro->prev;
1578 if (coro->prev) coro->prev->next = coro->next;
1579 if (coro == coro_first) coro_first = coro->next;
1580 1705
1581 return 1; 1706 return 1;
1582} 1707}
1583 1708
1584static int 1709static int
… …
1754 { 1879 {
1755 /* nothing to schedule: call the idle handler */ 1880 /* nothing to schedule: call the idle handler */
1756 if (SvROK (sv_idle) 1881 if (SvROK (sv_idle)
1757 && SvOBJECT (SvRV (sv_idle))) 1882 && SvOBJECT (SvRV (sv_idle)))
1758 { 1883 {
1884 if (SvRV (sv_idle) == SvRV (coro_current))
1885 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");
1886
1759 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1887 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1760 api_ready (aTHX_ SvRV (sv_idle)); 1888 api_ready (aTHX_ SvRV (sv_idle));
1761 --coro_nready; 1889 --coro_nready;
1762 } 1890 }
1763 else 1891 else
1764 { 1892 {
1893 /* TODO: deprecated, remove, cannot work reliably *//*D*/
1765 dSP; 1894 dSP;
1766 1895
1767 ENTER; 1896 ENTER;
1768 SAVETMPS; 1897 SAVETMPS;
1769 1898
… …
1879 2008
1880static void 2009static void
1881coro_call_on_destroy (pTHX_ struct coro *coro) 2010coro_call_on_destroy (pTHX_ struct coro *coro)
1882{ 2011{
1883 SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); 2012 SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
1884 SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
1885 2013
1886 if (on_destroyp) 2014 if (on_destroyp)
1887 { 2015 {
1888 AV *on_destroy = (AV *)SvRV (*on_destroyp); 2016 SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
2017 AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp)));
2018 AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0;
1889 2019
1890 while (AvFILLp (on_destroy) >= 0) 2020 while (AvFILLp (on_destroy) >= 0)
1891 { 2021 {
1892 dSP; /* don't disturb outer sp */ 2022 dSP; /* don't disturb outer sp */
1893 SV *cb = av_pop (on_destroy); 2023 SV *cb = av_pop (on_destroy);
… …
1895 PUSHMARK (SP); 2025 PUSHMARK (SP);
1896 2026
1897 if (statusp) 2027 if (statusp)
1898 { 2028 {
1899 int i; 2029 int i;
1900 AV *status = (AV *)SvRV (*statusp);
1901 EXTEND (SP, AvFILLp (status) + 1); 2030 EXTEND (SP, AvFILLp (status) + 1);
1902 2031
1903 for (i = 0; i <= AvFILLp (status); ++i) 2032 for (i = 0; i <= AvFILLp (status); ++i)
1904 PUSHs (AvARRAY (status)[i]); 2033 PUSHs (AvARRAY (status)[i]);
1905 } 2034 }
… …
1915{ 2044{
1916 int i; 2045 int i;
1917 HV *hv = (HV *)SvRV (coro_current); 2046 HV *hv = (HV *)SvRV (coro_current);
1918 AV *av = newAV (); 2047 AV *av = newAV ();
1919 2048
2049 /* items are actually not so common, so optimise for this case */
2050 if (items)
2051 {
1920 av_extend (av, items - 1); 2052 av_extend (av, items - 1);
2053
1921 for (i = 0; i < items; ++i) 2054 for (i = 0; i < items; ++i)
1922 av_push (av, SvREFCNT_inc_NN (arg [i])); 2055 av_push (av, SvREFCNT_inc_NN (arg [i]));
2056 }
1923 2057
1924 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); 2058 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1925 2059
1926 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2060 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1927 api_ready (aTHX_ sv_manager); 2061 api_ready (aTHX_ sv_manager);
… …
2343 if (PL_op->op_flags & OPf_STACKED) 2477 if (PL_op->op_flags & OPf_STACKED)
2344 { 2478 {
2345 if (items > slf_arga) 2479 if (items > slf_arga)
2346 { 2480 {
2347 slf_arga = items; 2481 slf_arga = items;
2348 free (slf_argv); 2482 Safefree (slf_argv);
2349 slf_argv = malloc (slf_arga * sizeof (SV *)); 2483 New (0, slf_argv, slf_arga, SV *);
2350 } 2484 }
2351 2485
2352 slf_argc = items; 2486 slf_argc = items;
2353 2487
2354 for (i = 0; i < items; ++i) 2488 for (i = 0; i < items; ++i)
… …
2715 { 2849 {
2716 SV *cb_cv = s_get_cv_croak (arg [1]); 2850 SV *cb_cv = s_get_cv_croak (arg [1]);
2717 av_push (av, SvREFCNT_inc_NN (cb_cv)); 2851 av_push (av, SvREFCNT_inc_NN (cb_cv));
2718 2852
2719 if (SvIVX (AvARRAY (av)[0])) 2853 if (SvIVX (AvARRAY (av)[0]))
2720 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ 2854 coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */
2721 2855
2722 frame->prepare = prepare_nop; 2856 frame->prepare = prepare_nop;
2723 frame->check = slf_check_nop; 2857 frame->check = slf_check_nop;
2724 } 2858 }
2725 else if (SvIVX (AvARRAY (av)[0])) 2859 else if (SvIVX (AvARRAY (av)[0]))
… …
2887 /* now call the AIO function - we assume our request is uncancelable */ 3021 /* now call the AIO function - we assume our request is uncancelable */
2888 PUTBACK; 3022 PUTBACK;
2889 call_sv ((SV *)req, G_VOID | G_DISCARD); 3023 call_sv ((SV *)req, G_VOID | G_DISCARD);
2890 } 3024 }
2891 3025
2892 /* now that the requets is going, we loop toll we have a result */ 3026 /* now that the request is going, we loop till we have a result */
2893 frame->data = (void *)state; 3027 frame->data = (void *)state;
2894 frame->prepare = prepare_schedule; 3028 frame->prepare = prepare_schedule;
2895 frame->check = slf_check_aio_req; 3029 frame->check = slf_check_aio_req;
2896} 3030}
2897 3031
… …
2908/*****************************************************************************/ 3042/*****************************************************************************/
2909 3043
2910#if CORO_CLONE 3044#if CORO_CLONE
2911# include "clone.c" 3045# include "clone.c"
2912#endif 3046#endif
3047
3048/*****************************************************************************/
3049
3050static SV *
3051coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro)
3052{
3053 SV *coro_sv;
3054 struct coro *coro;
3055 MAGIC *mg;
3056 HV *hv;
3057 SV *cb;
3058 int i;
3059
3060 if (argc > 0)
3061 {
3062 cb = s_get_cv_croak (argv [0]);
3063
3064 if (!is_coro)
3065 {
3066 if (CvISXSUB (cb))
3067 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
3068
3069 if (!CvROOT (cb))
3070 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
3071 }
3072 }
3073
3074 Newz (0, coro, 1, struct coro);
3075 coro->args = newAV ();
3076 coro->flags = CF_NEW;
3077
3078 if (coro_first) coro_first->prev = coro;
3079 coro->next = coro_first;
3080 coro_first = coro;
3081
3082 coro->hv = hv = newHV ();
3083 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3084 mg->mg_flags |= MGf_DUP;
3085 coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
3086
3087 if (argc > 0)
3088 {
3089 av_extend (coro->args, argc + is_coro - 1);
3090
3091 if (is_coro)
3092 {
3093 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3094 cb = (SV *)cv_coro_run;
3095 }
3096
3097 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3098
3099 for (i = 1; i < argc; i++)
3100 av_push (coro->args, newSVsv (argv [i]));
3101 }
3102
3103 return coro_sv;
3104}
2913 3105
2914MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3106MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2915 3107
2916PROTOTYPES: DISABLE 3108PROTOTYPES: DISABLE
2917 3109
… …
2970 coroapi.prepare_nop = prepare_nop; 3162 coroapi.prepare_nop = prepare_nop;
2971 coroapi.prepare_schedule = prepare_schedule; 3163 coroapi.prepare_schedule = prepare_schedule;
2972 coroapi.prepare_cede = prepare_cede; 3164 coroapi.prepare_cede = prepare_cede;
2973 coroapi.prepare_cede_notself = prepare_cede_notself; 3165 coroapi.prepare_cede_notself = prepare_cede_notself;
2974 3166
2975 { 3167 time_init (aTHX);
2976 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
2977
2978 if (!svp) croak ("Time::HiRes is required");
2979 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2980
2981 nvtime = INT2PTR (double (*)(), SvIV (*svp));
2982
2983 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
2984 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
2985 }
2986 3168
2987 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3169 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2988} 3170}
2989 3171
2990SV * 3172SV *
2991new (char *klass, ...) 3173new (SV *klass, ...)
2992 ALIAS: 3174 ALIAS:
2993 Coro::new = 1 3175 Coro::new = 1
2994 CODE: 3176 CODE:
2995{ 3177 RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2996 struct coro *coro; 3178 OUTPUT:
2997 MAGIC *mg;
2998 HV *hv;
2999 SV *cb;
3000 int i;
3001
3002 if (items > 1)
3003 {
3004 cb = s_get_cv_croak (ST (1));
3005
3006 if (!ix)
3007 {
3008 if (CvISXSUB (cb))
3009 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
3010
3011 if (!CvROOT (cb))
3012 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
3013 }
3014 }
3015
3016 Newz (0, coro, 1, struct coro);
3017 coro->args = newAV ();
3018 coro->flags = CF_NEW;
3019
3020 if (coro_first) coro_first->prev = coro;
3021 coro->next = coro_first;
3022 coro_first = coro;
3023
3024 coro->hv = hv = newHV ();
3025 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3026 mg->mg_flags |= MGf_DUP;
3027 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
3028
3029 if (items > 1)
3030 {
3031 av_extend (coro->args, items - 1 + ix - 1);
3032
3033 if (ix)
3034 {
3035 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3036 cb = (SV *)cv_coro_run;
3037 }
3038
3039 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3040
3041 for (i = 2; i < items; i++)
3042 av_push (coro->args, newSVsv (ST (i)));
3043 }
3044}
3045 OUTPUT:
3046 RETVAL 3179 RETVAL
3047 3180
3048void 3181void
3049transfer (...) 3182transfer (...)
3050 PROTOTYPE: $$ 3183 PROTOTYPE: $$
… …
3187 RETVAL = boolSV (coro->flags & ix); 3320 RETVAL = boolSV (coro->flags & ix);
3188 OUTPUT: 3321 OUTPUT:
3189 RETVAL 3322 RETVAL
3190 3323
3191void 3324void
3192throw (Coro::State self, SV *throw = &PL_sv_undef) 3325throw (Coro::State self, SV *exception = &PL_sv_undef)
3193 PROTOTYPE: $;$ 3326 PROTOTYPE: $;$
3194 CODE: 3327 CODE:
3195{ 3328{
3196 struct coro *current = SvSTATE_current; 3329 struct coro *current = SvSTATE_current;
3197 SV **throwp = self == current ? &CORO_THROW : &self->except; 3330 SV **exceptionp = self == current ? &CORO_THROW : &self->except;
3198 SvREFCNT_dec (*throwp); 3331 SvREFCNT_dec (*exceptionp);
3199 SvGETMAGIC (throw); 3332 SvGETMAGIC (exception);
3200 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 3333 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3201} 3334}
3202 3335
3203void 3336void
3204api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3337api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3205 PROTOTYPE: $;$ 3338 PROTOTYPE: $;$
… …
3262cancel (Coro::State self) 3395cancel (Coro::State self)
3263 CODE: 3396 CODE:
3264 coro_state_destroy (aTHX_ self); 3397 coro_state_destroy (aTHX_ self);
3265 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ 3398 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3266 3399
3267
3268SV * 3400SV *
3269enable_times (int enabled = enable_times) 3401enable_times (int enabled = enable_times)
3270 CODE: 3402 CODE:
3271{ 3403{
3272 RETVAL = boolSV (enable_times); 3404 RETVAL = boolSV (enable_times);
… …
3299 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); 3431 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3300 3432
3301 if (expect_false (current == self)) 3433 if (expect_false (current == self))
3302 coro_times_sub (SvSTATE (coro_current)); 3434 coro_times_sub (SvSTATE (coro_current));
3303} 3435}
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
3304 3456
3305MODULE = Coro::State PACKAGE = Coro 3457MODULE = Coro::State PACKAGE = Coro
3306 3458
3307BOOT: 3459BOOT:
3308{ 3460{
… …
3317 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); 3469 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3318 3470
3319 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);
3320 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3472 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3321 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);
3322 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 */
3323 3475
3324 coro_stash = gv_stashpv ("Coro", TRUE); 3476 coro_stash = gv_stashpv ("Coro", TRUE);
3325 3477
3326 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3478 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3327 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3479 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3328 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3480 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
3345 /*GCoroAPI = &coroapi;*/ 3497 /*GCoroAPI = &coroapi;*/
3346 sv_setiv (sv, (IV)&coroapi); 3498 sv_setiv (sv, (IV)&coroapi);
3347 SvREADONLY_on (sv); 3499 SvREADONLY_on (sv);
3348 } 3500 }
3349} 3501}
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
3350 3511
3351void 3512void
3352terminate (...) 3513terminate (...)
3353 CODE: 3514 CODE:
3354 CORO_EXECUTE_SLF_XS (slf_init_terminate); 3515 CORO_EXECUTE_SLF_XS (slf_init_terminate);
… …
3472 for (i = 1; i < items; ++i) 3633 for (i = 1; i < items; ++i)
3473 av_push (av, SvREFCNT_inc_NN (ST (i))); 3634 av_push (av, SvREFCNT_inc_NN (ST (i)));
3474 3635
3475 if ((SV *)hv == &PL_sv_undef) 3636 if ((SV *)hv == &PL_sv_undef)
3476 { 3637 {
3477 PUSHMARK (SP); 3638 SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1);
3478 EXTEND (SP, 2);
3479 PUSHs (sv_Coro);
3480 PUSHs ((SV *)cv_pool_handler);
3481 PUTBACK;
3482 call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3483 SPAGAIN;
3484
3485 hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); 3639 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3640 SvREFCNT_dec (sv);
3486 } 3641 }
3487 3642
3488 { 3643 {
3489 struct coro *coro = SvSTATE_hv (hv); 3644 struct coro *coro = SvSTATE_hv (hv);
3490 3645
… …
3762 { 3917 {
3763 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 3918 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
3764 coro_old_pp_sselect = 0; 3919 coro_old_pp_sselect = 0;
3765 } 3920 }
3766 3921
3767

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