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/cvs/Coro/Coro/State.xs
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Comparing Coro/Coro/State.xs (file contents):
Revision 1.379 by root, Tue Jul 27 14:50:17 2010 UTC vs.
Revision 1.389 by root, Fri Mar 4 16:41:21 2011 UTC

1/* this works around a bug in mingw32 providing a non-working setjmp */
2#define USE_NO_MINGW_SETJMP_TWO_ARGS
3
1#define NDEBUG 1 4#define NDEBUG 1
2 5
3#include "libcoro/coro.c" 6#include "libcoro/coro.c"
4 7
5#define PERL_NO_GET_CONTEXT 8#define PERL_NO_GET_CONTEXT
… …
18 21
19#ifndef SVs_PADSTALE 22#ifndef SVs_PADSTALE
20# define SVs_PADSTALE 0 23# define SVs_PADSTALE 0
21#endif 24#endif
22 25
23#ifdef WIN32 26#if defined(_WIN32)
27# undef HAS_GETTIMEOFDAY
24# undef setjmp 28# undef setjmp
25# undef longjmp 29# undef longjmp
26# undef _exit 30# undef _exit
27# define setjmp _setjmp /* deep magic */ 31# define setjmp _setjmp /* deep magic */
28#else 32#else
… …
237 CV *startcv; /* the CV to execute */ 241 CV *startcv; /* the CV to execute */
238 AV *args; /* data associated with this coroutine (initial args) */ 242 AV *args; /* data associated with this coroutine (initial args) */
239 int refcnt; /* coroutines are refcounted, yes */ 243 int refcnt; /* coroutines are refcounted, yes */
240 int flags; /* CF_ flags */ 244 int flags; /* CF_ flags */
241 HV *hv; /* the perl hash associated with this coro, if any */ 245 HV *hv; /* the perl hash associated with this coro, if any */
242 void (*on_destroy)(pTHX_ struct coro *coro); 246 void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */
243 247
244 /* statistics */ 248 /* statistics */
245 int usecount; /* number of transfers to this coro */ 249 int usecount; /* number of transfers to this coro */
246 250
247 /* coro process data */ 251 /* coro process data */
… …
310 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ 314 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
311 PL_op->op_flags |= OPf_STACKED; 315 PL_op->op_flags |= OPf_STACKED;
312 PL_op->op_private = 0; 316 PL_op->op_private = 0;
313 return PL_ppaddr [OP_ENTERSUB](aTHX); 317 return PL_ppaddr [OP_ENTERSUB](aTHX);
314} 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
315 371
316/** lowlevel stuff **********************************************************/ 372/** lowlevel stuff **********************************************************/
317 373
318static SV * 374static SV *
319coro_get_sv (pTHX_ const char *name, int create) 375coro_get_sv (pTHX_ const char *name, int create)
… …
583 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); 639 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
584 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); 640 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
585 641
586#if PERL_VERSION_ATLEAST (5,10,0) 642#if PERL_VERSION_ATLEAST (5,10,0)
587 /* perl 5.10 complicates this _quite_ a bit, but it also is 643 /* perl 5.10 complicates this _quite_ a bit, but it also is
588 * is much faster, so no quarrels here. alternatively, we could 644 * much faster, so no quarrels here. alternatively, we could
589 * sv_upgrade to avoid this. 645 * sv_upgrade to avoid this.
590 */ 646 */
591 { 647 {
592 /* swap sv_u */ 648 /* swap sv_u */
593 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; 649 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
… …
1010 PL_comppad_name_fill = 0; 1066 PL_comppad_name_fill = 0;
1011 PL_comppad_name_floor = 0; 1067 PL_comppad_name_floor = 0;
1012 PL_curpm = 0; 1068 PL_curpm = 0;
1013 PL_curpad = 0; 1069 PL_curpad = 0;
1014 PL_localizing = 0; 1070 PL_localizing = 0;
1015 PL_dirty = 0;
1016 PL_restartop = 0; 1071 PL_restartop = 0;
1017#if PERL_VERSION_ATLEAST (5,10,0) 1072#if PERL_VERSION_ATLEAST (5,10,0)
1018 PL_parser = 0; 1073 PL_parser = 0;
1019#endif 1074#endif
1020 PL_hints = 0; 1075 PL_hints = 0;
… …
2794 { 2849 {
2795 SV *cb_cv = s_get_cv_croak (arg [1]); 2850 SV *cb_cv = s_get_cv_croak (arg [1]);
2796 av_push (av, SvREFCNT_inc_NN (cb_cv)); 2851 av_push (av, SvREFCNT_inc_NN (cb_cv));
2797 2852
2798 if (SvIVX (AvARRAY (av)[0])) 2853 if (SvIVX (AvARRAY (av)[0]))
2799 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ 2854 coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */
2800 2855
2801 frame->prepare = prepare_nop; 2856 frame->prepare = prepare_nop;
2802 frame->check = slf_check_nop; 2857 frame->check = slf_check_nop;
2803 } 2858 }
2804 else if (SvIVX (AvARRAY (av)[0])) 2859 else if (SvIVX (AvARRAY (av)[0]))
… …
2966 /* now call the AIO function - we assume our request is uncancelable */ 3021 /* now call the AIO function - we assume our request is uncancelable */
2967 PUTBACK; 3022 PUTBACK;
2968 call_sv ((SV *)req, G_VOID | G_DISCARD); 3023 call_sv ((SV *)req, G_VOID | G_DISCARD);
2969 } 3024 }
2970 3025
2971 /* 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 */
2972 frame->data = (void *)state; 3027 frame->data = (void *)state;
2973 frame->prepare = prepare_schedule; 3028 frame->prepare = prepare_schedule;
2974 frame->check = slf_check_aio_req; 3029 frame->check = slf_check_aio_req;
2975} 3030}
2976 3031
… …
3107 coroapi.prepare_nop = prepare_nop; 3162 coroapi.prepare_nop = prepare_nop;
3108 coroapi.prepare_schedule = prepare_schedule; 3163 coroapi.prepare_schedule = prepare_schedule;
3109 coroapi.prepare_cede = prepare_cede; 3164 coroapi.prepare_cede = prepare_cede;
3110 coroapi.prepare_cede_notself = prepare_cede_notself; 3165 coroapi.prepare_cede_notself = prepare_cede_notself;
3111 3166
3112 { 3167 time_init (aTHX);
3113 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
3114
3115 if (!svp) croak ("Time::HiRes is required");
3116 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
3117
3118 nvtime = INT2PTR (double (*)(), SvIV (*svp));
3119
3120 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
3121 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
3122 }
3123 3168
3124 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3169 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3125} 3170}
3126 3171
3127SV * 3172SV *
… …
3873 { 3918 {
3874 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 3919 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
3875 coro_old_pp_sselect = 0; 3920 coro_old_pp_sselect = 0;
3876 } 3921 }
3877 3922
3878

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