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Comparing Coro/Coro/State.xs (file contents):
Revision 1.435 by root, Sat Nov 2 19:49:33 2013 UTC vs.
Revision 1.445 by root, Thu May 1 08:09:43 2014 UTC

14#include "perliol.h" 14#include "perliol.h"
15 15
16#include "schmorp.h" 16#include "schmorp.h"
17 17
18#define ECB_NO_THREADS 1 18#define ECB_NO_THREADS 1
19#define ECB_NO_LIBM 1
19#include "ecb.h" 20#include "ecb.h"
20 21
21#include <stddef.h> 22#include <stddef.h>
22#include <stdio.h> 23#include <stdio.h>
23#include <errno.h> 24#include <errno.h>
42# define PadARRAY AvARRAY 43# define PadARRAY AvARRAY
43# define PadMAX AvFILLp 44# define PadMAX AvFILLp
44# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) 45# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
45#endif 46#endif
46 47
48/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
49/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
50#if PERL_VERSION_ATLEAST(5,19,0)
51# define SVt_BIND SVt_IV
52#endif
53
47#if defined(_WIN32) 54#if defined(_WIN32)
48# undef HAS_GETTIMEOFDAY 55# undef HAS_GETTIMEOFDAY
49# undef setjmp 56# undef setjmp
50# undef longjmp 57# undef longjmp
51# undef _exit 58# undef _exit
515 PAD *newpad; 522 PAD *newpad;
516 PADOFFSET off = PadlistMAX (padlist) + 1; 523 PADOFFSET off = PadlistMAX (padlist) + 1;
517 524
518#if NEWPADAPI 525#if NEWPADAPI
519 526
527 /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
528 /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
520 while (!PadlistARRAY (padlist)[off - 1]) 529 while (!PadlistARRAY (padlist)[off - 1])
521 --off; 530 --off;
522 531
523 Perl_pad_push (aTHX_ padlist, off); 532 Perl_pad_push (aTHX_ padlist, off);
524 533
562 571
563 while (i > 0) /* special-case index 0 */ 572 while (i > 0) /* special-case index 0 */
564 { 573 {
565 /* we try to be extra-careful here */ 574 /* we try to be extra-careful here */
566 PAD *pad = PadlistARRAY (padlist)[i--]; 575 PAD *pad = PadlistARRAY (padlist)[i--];
576
577 if (pad)
578 {
567 I32 j = PadMAX (pad); 579 I32 j = PadMAX (pad);
568 580
569 while (j >= 0) 581 while (j >= 0)
570 SvREFCNT_dec (PadARRAY (pad)[j--]); 582 SvREFCNT_dec (PadARRAY (pad)[j--]);
571 583
572 PadMAX (pad) = -1; 584 PadMAX (pad) = -1;
573 SvREFCNT_dec (pad); 585 SvREFCNT_dec (pad);
586 }
574 } 587 }
575 588
576 SvREFCNT_dec (PadlistNAMES (padlist)); 589 SvREFCNT_dec (PadlistNAMES (padlist));
577 590
578#if NEWPADAPI 591#if NEWPADAPI
1904 /* nothing to schedule: call the idle handler */ 1917 /* nothing to schedule: call the idle handler */
1905 if (SvROK (sv_idle) 1918 if (SvROK (sv_idle)
1906 && SvOBJECT (SvRV (sv_idle))) 1919 && SvOBJECT (SvRV (sv_idle)))
1907 { 1920 {
1908 if (SvRV (sv_idle) == SvRV (coro_current)) 1921 if (SvRV (sv_idle) == SvRV (coro_current))
1922 {
1923 require_pv ("Carp");
1924
1925 {
1926 dSP;
1927
1928 ENTER;
1929 SAVETMPS;
1930
1931 PUSHMARK (SP);
1909 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); 1932 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1933 PUTBACK;
1934 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1935
1936 FREETMPS;
1937 LEAVE;
1938 }
1939 }
1910 1940
1911 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1941 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1912 api_ready (aTHX_ SvRV (sv_idle)); 1942 api_ready (aTHX_ SvRV (sv_idle));
1913 --coro_nready; 1943 --coro_nready;
1914 } 1944 }
2218 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); 2248 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2219 } 2249 }
2220 else 2250 else
2221 { 2251 {
2222 struct coro *self = SvSTATE_current; 2252 struct coro *self = SvSTATE_current;
2253
2254 if (!self)
2255 croak ("Coro::cancel called outside of thread content,");
2223 2256
2224 /* otherwise we cancel directly, purely for speed reasons 2257 /* otherwise we cancel directly, purely for speed reasons
2225 * unfortunately, this requires some magic trickery, as 2258 * unfortunately, this requires some magic trickery, as
2226 * somebody else could cancel us, so we have to fight the cancellation. 2259 * somebody else could cancel us, so we have to fight the cancellation.
2227 * this is ugly, and hopefully fully worth the extra speed. 2260 * this is ugly, and hopefully fully worth the extra speed.
2569 2602
2570/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ 2603/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2571static void 2604static void
2572slf_destroy (pTHX_ struct coro *coro) 2605slf_destroy (pTHX_ struct coro *coro)
2573{ 2606{
2574 /* this callback is reserved for slf functions needing to do cleanup */ 2607 struct CoroSLF frame = coro->slf_frame;
2575 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2576 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2577 2608
2578 /* 2609 /*
2579 * The on_destroy above most likely is from an SLF call. 2610 * The on_destroy below most likely is from an SLF call.
2580 * Since by definition the SLF call will not finish when we destroy 2611 * Since by definition the SLF call will not finish when we destroy
2581 * the coro, we will have to force-finish it here, otherwise 2612 * the coro, we will have to force-finish it here, otherwise
2582 * cleanup functions cannot call SLF functions. 2613 * cleanup functions cannot call SLF functions.
2583 */ 2614 */
2584 coro->slf_frame.prepare = 0; 2615 coro->slf_frame.prepare = 0;
2616
2617 /* this callback is reserved for slf functions needing to do cleanup */
2618 if (frame.destroy && frame.prepare && !PL_dirty)
2619 frame.destroy (aTHX_ &frame);
2585} 2620}
2586 2621
2587/* 2622/*
2588 * these not obviously related functions are all rolled into one 2623 * these not obviously related functions are all rolled into one
2589 * function to increase chances that they all will call transfer with the same 2624 * function to increase chances that they all will call transfer with the same
2929{ 2964{
2930 AV *av = (AV *)frame->data; 2965 AV *av = (AV *)frame->data;
2931 SV *count_sv = AvARRAY (av)[0]; 2966 SV *count_sv = AvARRAY (av)[0];
2932 SV *coro_hv = SvRV (coro_current); 2967 SV *coro_hv = SvRV (coro_current);
2933 2968
2969 frame->destroy = 0;
2970
2934 /* if we are about to throw, don't actually acquire the lock, just throw */ 2971 /* if we are about to throw, don't actually acquire the lock, just throw */
2935 if (CORO_THROW) 2972 if (ecb_expect_false (CORO_THROW))
2973 {
2974 /* we still might be responsible for the semaphore, so wake up others */
2975 coro_semaphore_adjust (aTHX_ av, 0);
2976
2936 return 0; 2977 return 0;
2978 }
2937 else if (SvIVX (count_sv) > 0) 2979 else if (SvIVX (count_sv) > 0)
2938 { 2980 {
2939 frame->destroy = 0;
2940
2941 if (acquire) 2981 if (acquire)
2942 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2982 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2943 else 2983 else
2944 coro_semaphore_adjust (aTHX_ av, 0); 2984 coro_semaphore_adjust (aTHX_ av, 0);
2945 2985
3405 3445
3406PROTOTYPES: DISABLE 3446PROTOTYPES: DISABLE
3407 3447
3408BOOT: 3448BOOT:
3409{ 3449{
3450#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
3451#include "state.h"
3410#ifdef USE_ITHREADS 3452#ifdef USE_ITHREADS
3411# if CORO_PTHREAD 3453# if CORO_PTHREAD
3412 coro_thx = PERL_GET_CONTEXT; 3454 coro_thx = PERL_GET_CONTEXT;
3413# endif 3455# endif
3414#endif 3456#endif

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