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Comparing Coro/Coro/State.xs (file contents):
Revision 1.437 by root, Tue Nov 5 15:13:42 2013 UTC vs.
Revision 1.449 by root, Sun Jun 21 17:02:49 2015 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>
41# define PadlistNAMES(pl) (*PadlistARRAY (pl)) 42# define PadlistNAMES(pl) (*PadlistARRAY (pl))
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
47#ifndef PadnamelistREFCNT
48# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
49#endif
50#ifndef PadnamelistREFCNT_dec
51# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
52#endif
46 53
47/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ 54/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
48/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ 55/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
49#if PERL_VERSION_ATLEAST(5,19,0) 56#if PERL_VERSION_ATLEAST(5,19,0)
50# define SVt_BIND SVt_IV 57# define SVt_BIND SVt_IV
516ecb_inline PADLIST * 523ecb_inline PADLIST *
517coro_derive_padlist (pTHX_ CV *cv) 524coro_derive_padlist (pTHX_ CV *cv)
518{ 525{
519 PADLIST *padlist = CvPADLIST (cv); 526 PADLIST *padlist = CvPADLIST (cv);
520 PADLIST *newpadlist; 527 PADLIST *newpadlist;
528 PADNAMELIST *padnames;
521 PAD *newpad; 529 PAD *newpad;
522 PADOFFSET off = PadlistMAX (padlist) + 1; 530 PADOFFSET off = PadlistMAX (padlist) + 1;
523 531
524#if NEWPADAPI 532#if NEWPADAPI
525 533
552 AvREAL_off (newpadlist); 560 AvREAL_off (newpadlist);
553#endif 561#endif
554 562
555 /* Already extended to 2 elements by newPADLIST. */ 563 /* Already extended to 2 elements by newPADLIST. */
556 PadlistMAX (newpadlist) = 1; 564 PadlistMAX (newpadlist) = 1;
557 PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); 565
566 padnames = PadlistNAMES (padlist);
567 ++PadnamelistREFCNT (padnames);
568 PadlistNAMES (newpadlist) = padnames;
569
558 PadlistARRAY (newpadlist)[1] = newpad; 570 PadlistARRAY (newpadlist)[1] = newpad;
559 571
560 return newpadlist; 572 return newpadlist;
561} 573}
562 574
570 582
571 while (i > 0) /* special-case index 0 */ 583 while (i > 0) /* special-case index 0 */
572 { 584 {
573 /* we try to be extra-careful here */ 585 /* we try to be extra-careful here */
574 PAD *pad = PadlistARRAY (padlist)[i--]; 586 PAD *pad = PadlistARRAY (padlist)[i--];
587
588 if (pad)
589 {
575 I32 j = PadMAX (pad); 590 I32 j = PadMAX (pad);
576 591
577 while (j >= 0) 592 while (j >= 0)
578 SvREFCNT_dec (PadARRAY (pad)[j--]); 593 SvREFCNT_dec (PadARRAY (pad)[j--]);
579 594
580 PadMAX (pad) = -1; 595 PadMAX (pad) = -1;
581 SvREFCNT_dec (pad); 596 SvREFCNT_dec (pad);
597 }
582 } 598 }
583 599
584 SvREFCNT_dec (PadlistNAMES (padlist)); 600 PadnamelistREFCNT_dec (PadlistNAMES (padlist));
585 601
586#if NEWPADAPI 602#if NEWPADAPI
587 Safefree (PadlistARRAY (padlist)); 603 Safefree (PadlistARRAY (padlist));
588 Safefree (padlist); 604 Safefree (padlist);
589#else 605#else
1133 1149
1134 GvSV (PL_defgv) = newSV (0); 1150 GvSV (PL_defgv) = newSV (0);
1135 GvAV (PL_defgv) = coro->args; coro->args = 0; 1151 GvAV (PL_defgv) = coro->args; coro->args = 0;
1136 GvSV (PL_errgv) = newSV (0); 1152 GvSV (PL_errgv) = newSV (0);
1137 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1153 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1138 GvHV (PL_hintgv) = 0; 1154 GvHV (PL_hintgv) = newHV ();
1155#if PERL_VERSION_ATLEAST (5,10,0)
1156 hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
1157#endif
1139 PL_rs = newSVsv (GvSV (irsgv)); 1158 PL_rs = newSVsv (GvSV (irsgv));
1140 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 1159 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1141 1160
1142 { 1161 {
1143 dSP; 1162 dSP;
1325 1344
1326 if (PL_curcop != &PL_compiling) 1345 if (PL_curcop != &PL_compiling)
1327 { 1346 {
1328 SV **cb; 1347 SV **cb;
1329 1348
1330 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) 1349 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1331 { 1350 {
1332 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1351 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1333 1352
1334 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) 1353 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1335 { 1354 {
1912 /* nothing to schedule: call the idle handler */ 1931 /* nothing to schedule: call the idle handler */
1913 if (SvROK (sv_idle) 1932 if (SvROK (sv_idle)
1914 && SvOBJECT (SvRV (sv_idle))) 1933 && SvOBJECT (SvRV (sv_idle)))
1915 { 1934 {
1916 if (SvRV (sv_idle) == SvRV (coro_current)) 1935 if (SvRV (sv_idle) == SvRV (coro_current))
1936 {
1937 require_pv ("Carp");
1938
1939 {
1940 dSP;
1941
1942 ENTER;
1943 SAVETMPS;
1944
1945 PUSHMARK (SP);
1917 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); 1946 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1947 PUTBACK;
1948 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1949
1950 FREETMPS;
1951 LEAVE;
1952 }
1953 }
1918 1954
1919 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1955 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1920 api_ready (aTHX_ SvRV (sv_idle)); 1956 api_ready (aTHX_ SvRV (sv_idle));
1921 --coro_nready; 1957 --coro_nready;
1922 } 1958 }
2226 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); 2262 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2227 } 2263 }
2228 else 2264 else
2229 { 2265 {
2230 struct coro *self = SvSTATE_current; 2266 struct coro *self = SvSTATE_current;
2267
2268 if (!self)
2269 croak ("Coro::cancel called outside of thread content,");
2231 2270
2232 /* otherwise we cancel directly, purely for speed reasons 2271 /* otherwise we cancel directly, purely for speed reasons
2233 * unfortunately, this requires some magic trickery, as 2272 * unfortunately, this requires some magic trickery, as
2234 * somebody else could cancel us, so we have to fight the cancellation. 2273 * somebody else could cancel us, so we have to fight the cancellation.
2235 * this is ugly, and hopefully fully worth the extra speed. 2274 * this is ugly, and hopefully fully worth the extra speed.
2577 2616
2578/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ 2617/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2579static void 2618static void
2580slf_destroy (pTHX_ struct coro *coro) 2619slf_destroy (pTHX_ struct coro *coro)
2581{ 2620{
2582 /* this callback is reserved for slf functions needing to do cleanup */ 2621 struct CoroSLF frame = coro->slf_frame;
2583 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2584 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2585 2622
2586 /* 2623 /*
2587 * The on_destroy above most likely is from an SLF call. 2624 * The on_destroy below most likely is from an SLF call.
2588 * Since by definition the SLF call will not finish when we destroy 2625 * Since by definition the SLF call will not finish when we destroy
2589 * the coro, we will have to force-finish it here, otherwise 2626 * the coro, we will have to force-finish it here, otherwise
2590 * cleanup functions cannot call SLF functions. 2627 * cleanup functions cannot call SLF functions.
2591 */ 2628 */
2592 coro->slf_frame.prepare = 0; 2629 coro->slf_frame.prepare = 0;
2630
2631 /* this callback is reserved for slf functions needing to do cleanup */
2632 if (frame.destroy && frame.prepare && !PL_dirty)
2633 frame.destroy (aTHX_ &frame);
2593} 2634}
2594 2635
2595/* 2636/*
2596 * these not obviously related functions are all rolled into one 2637 * these not obviously related functions are all rolled into one
2597 * function to increase chances that they all will call transfer with the same 2638 * function to increase chances that they all will call transfer with the same
2937{ 2978{
2938 AV *av = (AV *)frame->data; 2979 AV *av = (AV *)frame->data;
2939 SV *count_sv = AvARRAY (av)[0]; 2980 SV *count_sv = AvARRAY (av)[0];
2940 SV *coro_hv = SvRV (coro_current); 2981 SV *coro_hv = SvRV (coro_current);
2941 2982
2983 frame->destroy = 0;
2984
2942 /* if we are about to throw, don't actually acquire the lock, just throw */ 2985 /* if we are about to throw, don't actually acquire the lock, just throw */
2943 if (CORO_THROW) 2986 if (ecb_expect_false (CORO_THROW))
2987 {
2988 /* we still might be responsible for the semaphore, so wake up others */
2989 coro_semaphore_adjust (aTHX_ av, 0);
2990
2944 return 0; 2991 return 0;
2992 }
2945 else if (SvIVX (count_sv) > 0) 2993 else if (SvIVX (count_sv) > 0)
2946 { 2994 {
2947 frame->destroy = 0;
2948
2949 if (acquire) 2995 if (acquire)
2950 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2996 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2951 else 2997 else
2952 coro_semaphore_adjust (aTHX_ av, 0); 2998 coro_semaphore_adjust (aTHX_ av, 0);
2953 2999
3413 3459
3414PROTOTYPES: DISABLE 3460PROTOTYPES: DISABLE
3415 3461
3416BOOT: 3462BOOT:
3417{ 3463{
3464#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
3465#include "state.h"
3418#ifdef USE_ITHREADS 3466#ifdef USE_ITHREADS
3419# if CORO_PTHREAD 3467# if CORO_PTHREAD
3420 coro_thx = PERL_GET_CONTEXT; 3468 coro_thx = PERL_GET_CONTEXT;
3421# endif 3469# endif
3422#endif 3470#endif

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