… | |
… | |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
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 |
|
|
19 | #include "ecb.h" |
|
|
20 | |
|
|
21 | #include <stddef.h> |
18 | #include <stdio.h> |
22 | #include <stdio.h> |
19 | #include <errno.h> |
23 | #include <errno.h> |
20 | #include <assert.h> |
24 | #include <assert.h> |
21 | |
25 | |
22 | #ifndef SVs_PADSTALE |
26 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
27 | # define SVs_PADSTALE 0 |
|
|
28 | #endif |
|
|
29 | |
|
|
30 | #ifdef PadARRAY |
|
|
31 | # define NEWPADAPI |
|
|
32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
|
|
33 | #else |
|
|
34 | typedef AV PADNAMELIST; |
|
|
35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
|
|
36 | typedef AV PADLIST; |
|
|
37 | typedef AV PAD; |
|
|
38 | # endif |
|
|
39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
|
|
40 | # define PadlistMAX(pl) AvFILLp (pl) |
|
|
41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
|
|
42 | # define PadARRAY AvARRAY |
|
|
43 | # define PadMAX AvFILLp |
|
|
44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
24 | #endif |
45 | #endif |
25 | |
46 | |
26 | #if defined(_WIN32) |
47 | #if defined(_WIN32) |
27 | # undef HAS_GETTIMEOFDAY |
48 | # undef HAS_GETTIMEOFDAY |
28 | # undef setjmp |
49 | # undef setjmp |
… | |
… | |
31 | # define setjmp _setjmp /* deep magic */ |
52 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
53 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
54 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
55 | #endif |
35 | |
56 | |
36 | #ifdef HAVE_MMAP |
57 | #if HAVE_MMAP |
37 | # include <unistd.h> |
58 | # include <unistd.h> |
38 | # include <sys/mman.h> |
59 | # include <sys/mman.h> |
39 | # ifndef MAP_ANONYMOUS |
60 | # ifndef MAP_ANONYMOUS |
40 | # ifdef MAP_ANON |
61 | # ifdef MAP_ANON |
41 | # define MAP_ANONYMOUS MAP_ANON |
62 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
61 | #endif |
82 | #endif |
62 | |
83 | |
63 | /* the maximum number of idle cctx that will be pooled */ |
84 | /* the maximum number of idle cctx that will be pooled */ |
64 | static int cctx_max_idle = 4; |
85 | static int cctx_max_idle = 4; |
65 | |
86 | |
|
|
87 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
|
|
88 | # define HAS_SCOPESTACK_NAME 1 |
|
|
89 | #endif |
|
|
90 | |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
91 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
67 | # undef CORO_STACKGUARD |
92 | # undef CORO_STACKGUARD |
68 | #endif |
93 | #endif |
69 | |
94 | |
70 | #ifndef CORO_STACKGUARD |
95 | #ifndef CORO_STACKGUARD |
… | |
… | |
86 | # define STACKLEVEL ((void *)&stacklevel) |
111 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
112 | #endif |
88 | |
113 | |
89 | #define IN_DESTRUCT PL_dirty |
114 | #define IN_DESTRUCT PL_dirty |
90 | |
115 | |
91 | #if __GNUC__ >= 3 |
|
|
92 | # define attribute(x) __attribute__(x) |
|
|
93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
|
|
94 | # define INLINE static inline |
|
|
95 | #else |
|
|
96 | # define attribute(x) |
|
|
97 | # define expect(expr,value) (expr) |
|
|
98 | # define INLINE static |
|
|
99 | #endif |
|
|
100 | |
|
|
101 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
102 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
103 | |
|
|
104 | #define NOINLINE attribute ((noinline)) |
|
|
105 | |
|
|
106 | #include "CoroAPI.h" |
116 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
117 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
118 | |
109 | #ifdef USE_ITHREADS |
119 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
120 | # if CORO_PTHREAD |
… | |
… | |
187 | void *sptr; |
197 | void *sptr; |
188 | size_t ssize; |
198 | size_t ssize; |
189 | |
199 | |
190 | /* cpu state */ |
200 | /* cpu state */ |
191 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
201 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
|
|
202 | #ifndef NDEBUG |
192 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
203 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
|
|
204 | #endif |
193 | JMPENV *top_env; |
205 | JMPENV *top_env; |
194 | coro_context cctx; |
206 | coro_context cctx; |
195 | |
207 | |
196 | U32 gen; |
208 | U32 gen; |
197 | #if CORO_USE_VALGRIND |
209 | #if CORO_USE_VALGRIND |
… | |
… | |
209 | enum |
221 | enum |
210 | { |
222 | { |
211 | CF_RUNNING = 0x0001, /* coroutine is running */ |
223 | CF_RUNNING = 0x0001, /* coroutine is running */ |
212 | CF_READY = 0x0002, /* coroutine is ready */ |
224 | CF_READY = 0x0002, /* coroutine is ready */ |
213 | CF_NEW = 0x0004, /* has never been switched to */ |
225 | CF_NEW = 0x0004, /* has never been switched to */ |
214 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
226 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
215 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
227 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
216 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
228 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
217 | }; |
229 | }; |
218 | |
230 | |
219 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
231 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
220 | typedef struct |
232 | typedef struct |
221 | { |
233 | { |
222 | SV *defsv; |
|
|
223 | AV *defav; |
|
|
224 | SV *errsv; |
|
|
225 | SV *irsgv; |
|
|
226 | HV *hinthv; |
|
|
227 | #define VAR(name,type) type name; |
234 | #define VARx(name,expr,type) type name; |
228 | # include "state.h" |
235 | #include "state.h" |
229 | #undef VAR |
|
|
230 | } perl_slots; |
236 | } perl_slots; |
231 | |
237 | |
232 | // how many context stack entries do we need for perl_slots |
238 | /* how many context stack entries do we need for perl_slots */ |
233 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
239 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
234 | |
240 | |
235 | /* this is a structure representing a perl-level coroutine */ |
241 | /* this is a structure representing a perl-level coroutine */ |
236 | struct coro |
242 | struct coro |
237 | { |
243 | { |
… | |
… | |
303 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
309 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
304 | static CV *cv_coro_run; |
310 | static CV *cv_coro_run; |
305 | static struct coro *coro_first; |
311 | static struct coro *coro_first; |
306 | #define coro_nready coroapi.nready |
312 | #define coro_nready coroapi.nready |
307 | |
313 | |
|
|
314 | /** JIT *********************************************************************/ |
|
|
315 | |
|
|
316 | #if CORO_JIT |
|
|
317 | /* APPLE doesn't have HAVE_MMAP though */ |
|
|
318 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
319 | #ifndef CORO_JIT_TYPE |
|
|
320 | #if __x86_64 && CORO_JIT_UNIXY |
|
|
321 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
322 | #elif __i386 && CORO_JIT_UNIXY |
|
|
323 | #define CORO_JIT_TYPE "x86-unix" |
|
|
324 | #endif |
|
|
325 | #endif |
|
|
326 | #endif |
|
|
327 | |
|
|
328 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
|
|
329 | #undef CORO_JIT |
|
|
330 | #endif |
|
|
331 | |
|
|
332 | #if CORO_JIT |
|
|
333 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
334 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
335 | #endif |
|
|
336 | |
308 | /** Coro::Select ************************************************************/ |
337 | /** Coro::Select ************************************************************/ |
309 | |
338 | |
310 | static OP *(*coro_old_pp_sselect) (pTHX); |
339 | static OP *(*coro_old_pp_sselect) (pTHX); |
311 | static SV *coro_select_select; |
340 | static SV *coro_select_select; |
312 | |
341 | |
… | |
… | |
327 | |
356 | |
328 | /** time stuff **************************************************************/ |
357 | /** time stuff **************************************************************/ |
329 | |
358 | |
330 | #ifdef HAS_GETTIMEOFDAY |
359 | #ifdef HAS_GETTIMEOFDAY |
331 | |
360 | |
332 | static void |
361 | ecb_inline void |
333 | coro_u2time (pTHX_ UV ret[2]) |
362 | coro_u2time (pTHX_ UV ret[2]) |
334 | { |
363 | { |
335 | struct timeval tv; |
364 | struct timeval tv; |
336 | gettimeofday (&tv, 0); |
365 | gettimeofday (&tv, 0); |
337 | |
366 | |
338 | ret [0] = tv.tv_sec; |
367 | ret [0] = tv.tv_sec; |
339 | ret [1] = tv.tv_usec; |
368 | ret [1] = tv.tv_usec; |
340 | } |
369 | } |
341 | |
370 | |
342 | static double |
371 | ecb_inline double |
343 | coro_nvtime () |
372 | coro_nvtime (void) |
344 | { |
373 | { |
345 | struct timeval tv; |
374 | struct timeval tv; |
346 | gettimeofday (&tv, 0); |
375 | gettimeofday (&tv, 0); |
347 | |
376 | |
348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
377 | return tv.tv_sec + tv.tv_usec * 1e-6; |
349 | } |
378 | } |
350 | |
379 | |
351 | static void |
380 | ecb_inline void |
352 | time_init (pTHX) |
381 | time_init (pTHX) |
353 | { |
382 | { |
354 | nvtime = coro_nvtime; |
383 | nvtime = coro_nvtime; |
355 | u2time = coro_u2time; |
384 | u2time = coro_u2time; |
356 | } |
385 | } |
357 | |
386 | |
358 | #else |
387 | #else |
359 | |
388 | |
360 | static void |
389 | ecb_inline void |
361 | time_init (pTHX) |
390 | time_init (pTHX) |
362 | { |
391 | { |
363 | SV **svp; |
392 | SV **svp; |
364 | |
393 | |
365 | require_pv ("Time/HiRes.pm"); |
394 | require_pv ("Time/HiRes.pm"); |
366 | |
395 | |
367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
396 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
368 | |
397 | |
369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
398 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
399 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
371 | |
400 | |
… | |
… | |
377 | |
406 | |
378 | #endif |
407 | #endif |
379 | |
408 | |
380 | /** lowlevel stuff **********************************************************/ |
409 | /** lowlevel stuff **********************************************************/ |
381 | |
410 | |
382 | static SV * |
411 | static SV * ecb_noinline |
383 | coro_get_sv (pTHX_ const char *name, int create) |
412 | coro_get_sv (pTHX_ const char *name, int create) |
384 | { |
413 | { |
385 | #if PERL_VERSION_ATLEAST (5,10,0) |
414 | #if PERL_VERSION_ATLEAST (5,10,0) |
386 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
415 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
387 | get_sv (name, create); |
416 | get_sv (name, create); |
388 | #endif |
417 | #endif |
389 | return get_sv (name, create); |
418 | return get_sv (name, create); |
390 | } |
419 | } |
391 | |
420 | |
392 | static AV * |
421 | static AV * ecb_noinline |
393 | coro_get_av (pTHX_ const char *name, int create) |
422 | coro_get_av (pTHX_ const char *name, int create) |
394 | { |
423 | { |
395 | #if PERL_VERSION_ATLEAST (5,10,0) |
424 | #if PERL_VERSION_ATLEAST (5,10,0) |
396 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
425 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
397 | get_av (name, create); |
426 | get_av (name, create); |
398 | #endif |
427 | #endif |
399 | return get_av (name, create); |
428 | return get_av (name, create); |
400 | } |
429 | } |
401 | |
430 | |
402 | static HV * |
431 | static HV * ecb_noinline |
403 | coro_get_hv (pTHX_ const char *name, int create) |
432 | coro_get_hv (pTHX_ const char *name, int create) |
404 | { |
433 | { |
405 | #if PERL_VERSION_ATLEAST (5,10,0) |
434 | #if PERL_VERSION_ATLEAST (5,10,0) |
406 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
435 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
407 | get_hv (name, create); |
436 | get_hv (name, create); |
408 | #endif |
437 | #endif |
409 | return get_hv (name, create); |
438 | return get_hv (name, create); |
410 | } |
439 | } |
411 | |
440 | |
412 | INLINE void |
441 | ecb_inline void |
413 | coro_times_update () |
442 | coro_times_update (void) |
414 | { |
443 | { |
415 | #ifdef coro_clock_gettime |
444 | #ifdef coro_clock_gettime |
416 | struct timespec ts; |
445 | struct timespec ts; |
417 | |
446 | |
418 | ts.tv_sec = ts.tv_nsec = 0; |
447 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
430 | time_real [0] = tv [0]; |
459 | time_real [0] = tv [0]; |
431 | time_real [1] = tv [1] * 1000; |
460 | time_real [1] = tv [1] * 1000; |
432 | #endif |
461 | #endif |
433 | } |
462 | } |
434 | |
463 | |
435 | INLINE void |
464 | ecb_inline void |
436 | coro_times_add (struct coro *c) |
465 | coro_times_add (struct coro *c) |
437 | { |
466 | { |
438 | c->t_real [1] += time_real [1]; |
467 | c->t_real [1] += time_real [1]; |
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
468 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
440 | c->t_real [0] += time_real [0]; |
469 | c->t_real [0] += time_real [0]; |
… | |
… | |
442 | c->t_cpu [1] += time_cpu [1]; |
471 | c->t_cpu [1] += time_cpu [1]; |
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
472 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
444 | c->t_cpu [0] += time_cpu [0]; |
473 | c->t_cpu [0] += time_cpu [0]; |
445 | } |
474 | } |
446 | |
475 | |
447 | INLINE void |
476 | ecb_inline void |
448 | coro_times_sub (struct coro *c) |
477 | coro_times_sub (struct coro *c) |
449 | { |
478 | { |
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
479 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
451 | c->t_real [1] -= time_real [1]; |
480 | c->t_real [1] -= time_real [1]; |
452 | c->t_real [0] -= time_real [0]; |
481 | c->t_real [0] -= time_real [0]; |
… | |
… | |
460 | /* magic glue */ |
489 | /* magic glue */ |
461 | |
490 | |
462 | #define CORO_MAGIC_type_cv 26 |
491 | #define CORO_MAGIC_type_cv 26 |
463 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
492 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
464 | |
493 | |
465 | #define CORO_MAGIC_NN(sv, type) \ |
494 | #define CORO_MAGIC_NN(sv, type) \ |
466 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
495 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
467 | ? SvMAGIC (sv) \ |
496 | ? SvMAGIC (sv) \ |
468 | : mg_find (sv, type)) |
497 | : mg_find (sv, type)) |
469 | |
498 | |
470 | #define CORO_MAGIC(sv, type) \ |
499 | #define CORO_MAGIC(sv, type) \ |
471 | (expect_true (SvMAGIC (sv)) \ |
500 | (ecb_expect_true (SvMAGIC (sv)) \ |
472 | ? CORO_MAGIC_NN (sv, type) \ |
501 | ? CORO_MAGIC_NN (sv, type) \ |
473 | : 0) |
502 | : 0) |
474 | |
503 | |
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
504 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
505 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
477 | |
506 | |
478 | INLINE MAGIC * |
507 | ecb_inline MAGIC * |
479 | SvSTATEhv_p (pTHX_ SV *coro) |
508 | SvSTATEhv_p (pTHX_ SV *coro) |
480 | { |
509 | { |
481 | MAGIC *mg; |
510 | MAGIC *mg; |
482 | |
511 | |
483 | if (expect_true ( |
512 | if (ecb_expect_true ( |
484 | SvTYPE (coro) == SVt_PVHV |
513 | SvTYPE (coro) == SVt_PVHV |
485 | && (mg = CORO_MAGIC_state (coro)) |
514 | && (mg = CORO_MAGIC_state (coro)) |
486 | && mg->mg_virtual == &coro_state_vtbl |
515 | && mg->mg_virtual == &coro_state_vtbl |
487 | )) |
516 | )) |
488 | return mg; |
517 | return mg; |
489 | |
518 | |
490 | return 0; |
519 | return 0; |
491 | } |
520 | } |
492 | |
521 | |
493 | INLINE struct coro * |
522 | ecb_inline struct coro * |
494 | SvSTATE_ (pTHX_ SV *coro) |
523 | SvSTATE_ (pTHX_ SV *coro) |
495 | { |
524 | { |
496 | MAGIC *mg; |
525 | MAGIC *mg; |
497 | |
526 | |
498 | if (SvROK (coro)) |
527 | if (SvROK (coro)) |
499 | coro = SvRV (coro); |
528 | coro = SvRV (coro); |
500 | |
529 | |
501 | mg = SvSTATEhv_p (coro); |
530 | mg = SvSTATEhv_p (aTHX_ coro); |
502 | if (!mg) |
531 | if (!mg) |
503 | croak ("Coro::State object required"); |
532 | croak ("Coro::State object required"); |
504 | |
533 | |
505 | return (struct coro *)mg->mg_ptr; |
534 | return (struct coro *)mg->mg_ptr; |
506 | } |
535 | } |
… | |
… | |
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
541 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
513 | |
542 | |
514 | /*****************************************************************************/ |
543 | /*****************************************************************************/ |
515 | /* padlist management and caching */ |
544 | /* padlist management and caching */ |
516 | |
545 | |
517 | static AV * |
546 | ecb_inline PADLIST * |
518 | coro_derive_padlist (pTHX_ CV *cv) |
547 | coro_derive_padlist (pTHX_ CV *cv) |
519 | { |
548 | { |
520 | AV *padlist = CvPADLIST (cv); |
549 | PADLIST *padlist = CvPADLIST (cv); |
521 | AV *newpadlist, *newpad; |
550 | PADLIST *newpadlist; |
|
|
551 | PAD *newpad; |
|
|
552 | PADOFFSET const off = PadlistMAX (padlist) + 1; |
522 | |
553 | |
523 | newpadlist = newAV (); |
554 | newPADLIST(newpadlist); |
|
|
555 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
556 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
524 | AvREAL_off (newpadlist); |
557 | AvREAL_off (newpadlist); |
|
|
558 | #endif |
525 | #if PERL_VERSION_ATLEAST (5,10,0) |
559 | #if PERL_VERSION_ATLEAST (5,10,0) |
526 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
560 | Perl_pad_push (aTHX_ padlist, off); |
527 | #else |
561 | #else |
528 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
562 | Perl_pad_push (aTHX_ padlist, off, 1); |
529 | #endif |
563 | #endif |
530 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
564 | newpad = PadlistARRAY (padlist)[off]; |
531 | --AvFILLp (padlist); |
565 | PadlistMAX (padlist) = off - 1; |
532 | |
566 | |
533 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
567 | /* Already extended to 2 elements by newPADLIST. */ |
534 | av_store (newpadlist, 1, (SV *)newpad); |
568 | PadlistMAX (newpadlist) = 1; |
|
|
569 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
570 | PadlistARRAY (newpadlist)[1] = newpad; |
535 | |
571 | |
536 | return newpadlist; |
572 | return newpadlist; |
537 | } |
573 | } |
538 | |
574 | |
539 | static void |
575 | ecb_inline void |
540 | free_padlist (pTHX_ AV *padlist) |
576 | free_padlist (pTHX_ PADLIST *padlist) |
541 | { |
577 | { |
542 | /* may be during global destruction */ |
578 | /* may be during global destruction */ |
543 | if (!IN_DESTRUCT) |
579 | if (!IN_DESTRUCT) |
544 | { |
580 | { |
545 | I32 i = AvFILLp (padlist); |
581 | I32 i = PadlistMAX (padlist); |
546 | |
582 | |
547 | while (i > 0) /* special-case index 0 */ |
583 | while (i > 0) /* special-case index 0 */ |
548 | { |
584 | { |
549 | /* we try to be extra-careful here */ |
585 | /* we try to be extra-careful here */ |
550 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
586 | PAD *pad = PadlistARRAY (padlist)[i--]; |
551 | I32 j = AvFILLp (av); |
587 | I32 j = PadMAX (pad); |
552 | |
588 | |
553 | while (j >= 0) |
589 | while (j >= 0) |
554 | SvREFCNT_dec (AvARRAY (av)[j--]); |
590 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
555 | |
591 | |
556 | AvFILLp (av) = -1; |
592 | PadMAX (pad) = -1; |
557 | SvREFCNT_dec (av); |
593 | SvREFCNT_dec (pad); |
558 | } |
594 | } |
559 | |
595 | |
560 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
596 | SvREFCNT_dec (PadlistNAMES (padlist)); |
561 | |
597 | |
|
|
598 | #ifdef NEWPADAPI |
|
|
599 | Safefree (PadlistARRAY (padlist)); |
|
|
600 | Safefree (padlist); |
|
|
601 | #else |
562 | AvFILLp (padlist) = -1; |
602 | AvFILLp (padlist) = -1; |
|
|
603 | AvREAL_off (padlist); |
563 | SvREFCNT_dec ((SV*)padlist); |
604 | SvREFCNT_dec ((SV*)padlist); |
|
|
605 | #endif |
564 | } |
606 | } |
565 | } |
607 | } |
566 | |
608 | |
567 | static int |
609 | static int |
568 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
610 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
569 | { |
611 | { |
570 | AV *padlist; |
612 | PADLIST *padlist; |
571 | AV *av = (AV *)mg->mg_obj; |
613 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
614 | size_t len = *(size_t *)mg->mg_ptr; |
572 | |
615 | |
573 | /* perl manages to free our internal AV and _then_ call us */ |
616 | /* perl manages to free our internal AV and _then_ call us */ |
574 | if (IN_DESTRUCT) |
617 | if (IN_DESTRUCT) |
575 | return 0; |
618 | return 0; |
576 | |
619 | |
577 | /* casting is fun. */ |
620 | while (len--) |
578 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
579 | free_padlist (aTHX_ padlist); |
621 | free_padlist (aTHX_ padlists[len]); |
580 | |
|
|
581 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
582 | |
622 | |
583 | return 0; |
623 | return 0; |
584 | } |
624 | } |
585 | |
625 | |
586 | static MGVTBL coro_cv_vtbl = { |
626 | static MGVTBL coro_cv_vtbl = { |
587 | 0, 0, 0, 0, |
627 | 0, 0, 0, 0, |
588 | coro_cv_free |
628 | coro_cv_free |
589 | }; |
629 | }; |
590 | |
630 | |
591 | /* the next two functions merely cache the padlists */ |
631 | /* the next two functions merely cache the padlists */ |
592 | static void |
632 | ecb_inline void |
593 | get_padlist (pTHX_ CV *cv) |
633 | get_padlist (pTHX_ CV *cv) |
594 | { |
634 | { |
595 | MAGIC *mg = CORO_MAGIC_cv (cv); |
635 | MAGIC *mg = CORO_MAGIC_cv (cv); |
596 | AV *av; |
636 | size_t *lenp; |
597 | |
637 | |
598 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
638 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
599 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
639 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
600 | else |
640 | else |
601 | { |
641 | { |
602 | #if CORO_PREFER_PERL_FUNCTIONS |
642 | #if CORO_PREFER_PERL_FUNCTIONS |
603 | /* this is probably cleaner? but also slower! */ |
643 | /* this is probably cleaner? but also slower! */ |
604 | /* in practise, it seems to be less stable */ |
644 | /* in practise, it seems to be less stable */ |
… | |
… | |
610 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
650 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
611 | #endif |
651 | #endif |
612 | } |
652 | } |
613 | } |
653 | } |
614 | |
654 | |
615 | static void |
655 | ecb_inline void |
616 | put_padlist (pTHX_ CV *cv) |
656 | put_padlist (pTHX_ CV *cv) |
617 | { |
657 | { |
618 | MAGIC *mg = CORO_MAGIC_cv (cv); |
658 | MAGIC *mg = CORO_MAGIC_cv (cv); |
619 | AV *av; |
|
|
620 | |
659 | |
621 | if (expect_false (!mg)) |
660 | if (ecb_expect_false (!mg)) |
|
|
661 | { |
622 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
662 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
663 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
664 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
665 | } |
|
|
666 | else |
|
|
667 | Renew (mg->mg_ptr, |
|
|
668 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
669 | char); |
623 | |
670 | |
624 | av = (AV *)mg->mg_obj; |
671 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
625 | |
|
|
626 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
627 | av_extend (av, AvFILLp (av) + 1); |
|
|
628 | |
|
|
629 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
630 | } |
672 | } |
631 | |
673 | |
632 | /** load & save, init *******************************************************/ |
674 | /** load & save, init *******************************************************/ |
633 | |
675 | |
|
|
676 | ecb_inline void |
|
|
677 | swap_sv (SV *a, SV *b) |
|
|
678 | { |
|
|
679 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
680 | SV tmp; |
|
|
681 | |
|
|
682 | /* swap sv_any */ |
|
|
683 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
684 | |
|
|
685 | /* swap sv_flags */ |
|
|
686 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
687 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
688 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
689 | |
|
|
690 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
691 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
692 | * is much faster, so no quarrels here. alternatively, we could |
|
|
693 | * sv_upgrade to avoid this. |
|
|
694 | */ |
|
|
695 | { |
|
|
696 | /* swap sv_u */ |
|
|
697 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
698 | |
|
|
699 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
700 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
701 | */ |
|
|
702 | #define svany_in_head(type) \ |
|
|
703 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
704 | |
|
|
705 | if (svany_in_head (SvTYPE (a))) |
|
|
706 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
707 | |
|
|
708 | if (svany_in_head (SvTYPE (b))) |
|
|
709 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
710 | } |
|
|
711 | #endif |
|
|
712 | } |
|
|
713 | |
634 | /* swap sv heads, at least logically */ |
714 | /* swap sv heads, at least logically */ |
635 | static void |
715 | static void |
636 | swap_svs (pTHX_ Coro__State c) |
716 | swap_svs (pTHX_ Coro__State c) |
637 | { |
717 | { |
638 | int i; |
718 | int i; |
639 | |
719 | |
640 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
720 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
641 | { |
721 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
642 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
643 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
644 | |
|
|
645 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
646 | SV tmp; |
|
|
647 | |
|
|
648 | /* swap sv_any */ |
|
|
649 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
650 | |
|
|
651 | /* swap sv_flags */ |
|
|
652 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
653 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
654 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
655 | |
|
|
656 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
657 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
658 | * much faster, so no quarrels here. alternatively, we could |
|
|
659 | * sv_upgrade to avoid this. |
|
|
660 | */ |
|
|
661 | { |
|
|
662 | /* swap sv_u */ |
|
|
663 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
664 | |
|
|
665 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
666 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
667 | */ |
|
|
668 | #define svany_in_head(type) \ |
|
|
669 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
670 | |
|
|
671 | if (svany_in_head (SvTYPE (a))) |
|
|
672 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
673 | |
|
|
674 | if (svany_in_head (SvTYPE (b))) |
|
|
675 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
676 | } |
|
|
677 | #endif |
|
|
678 | } |
|
|
679 | } |
722 | } |
680 | |
723 | |
681 | #define SWAP_SVS(coro) \ |
724 | #define SWAP_SVS(coro) \ |
682 | if (expect_false ((coro)->swap_sv)) \ |
725 | if (ecb_expect_false ((coro)->swap_sv)) \ |
683 | swap_svs (aTHX_ (coro)) |
726 | swap_svs (aTHX_ (coro)) |
684 | |
727 | |
685 | static void |
728 | static void |
686 | on_enterleave_call (pTHX_ SV *cb); |
729 | on_enterleave_call (pTHX_ SV *cb); |
687 | |
730 | |
… | |
… | |
691 | perl_slots *slot = c->slot; |
734 | perl_slots *slot = c->slot; |
692 | c->slot = 0; |
735 | c->slot = 0; |
693 | |
736 | |
694 | PL_mainstack = c->mainstack; |
737 | PL_mainstack = c->mainstack; |
695 | |
738 | |
696 | GvSV (PL_defgv) = slot->defsv; |
739 | #if CORO_JIT |
697 | GvAV (PL_defgv) = slot->defav; |
740 | load_perl_slots (slot); |
698 | GvSV (PL_errgv) = slot->errsv; |
741 | #else |
699 | GvSV (irsgv) = slot->irsgv; |
|
|
700 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
701 | |
|
|
702 | #define VAR(name,type) PL_ ## name = slot->name; |
742 | #define VARx(name,expr,type) expr = slot->name; |
703 | # include "state.h" |
743 | #include "state.h" |
704 | #undef VAR |
744 | #endif |
705 | |
745 | |
706 | { |
746 | { |
707 | dSP; |
747 | dSP; |
708 | |
748 | |
709 | CV *cv; |
749 | CV *cv; |
710 | |
750 | |
711 | /* now do the ugly restore mess */ |
751 | /* now do the ugly restore mess */ |
712 | while (expect_true (cv = (CV *)POPs)) |
752 | while (ecb_expect_true (cv = (CV *)POPs)) |
713 | { |
753 | { |
714 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
754 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
715 | CvDEPTH (cv) = PTR2IV (POPs); |
755 | CvDEPTH (cv) = PTR2IV (POPs); |
716 | CvPADLIST (cv) = (AV *)POPs; |
756 | CvPADLIST (cv) = (PADLIST *)POPs; |
717 | } |
757 | } |
718 | |
758 | |
719 | PUTBACK; |
759 | PUTBACK; |
720 | } |
760 | } |
721 | |
761 | |
722 | slf_frame = c->slf_frame; |
762 | slf_frame = c->slf_frame; |
723 | CORO_THROW = c->except; |
763 | CORO_THROW = c->except; |
724 | |
764 | |
725 | if (expect_false (enable_times)) |
765 | if (ecb_expect_false (enable_times)) |
726 | { |
766 | { |
727 | if (expect_false (!times_valid)) |
767 | if (ecb_expect_false (!times_valid)) |
728 | coro_times_update (); |
768 | coro_times_update (); |
729 | |
769 | |
730 | coro_times_sub (c); |
770 | coro_times_sub (c); |
731 | } |
771 | } |
732 | |
772 | |
733 | if (expect_false (c->on_enter)) |
773 | if (ecb_expect_false (c->on_enter)) |
734 | { |
774 | { |
735 | int i; |
775 | int i; |
736 | |
776 | |
737 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
777 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
738 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
778 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
744 | static void |
784 | static void |
745 | save_perl (pTHX_ Coro__State c) |
785 | save_perl (pTHX_ Coro__State c) |
746 | { |
786 | { |
747 | SWAP_SVS (c); |
787 | SWAP_SVS (c); |
748 | |
788 | |
749 | if (expect_false (c->on_leave)) |
789 | if (ecb_expect_false (c->on_leave)) |
750 | { |
790 | { |
751 | int i; |
791 | int i; |
752 | |
792 | |
753 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
793 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
754 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
794 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
755 | } |
795 | } |
756 | |
796 | |
757 | times_valid = 0; |
797 | times_valid = 0; |
758 | |
798 | |
759 | if (expect_false (enable_times)) |
799 | if (ecb_expect_false (enable_times)) |
760 | { |
800 | { |
761 | coro_times_update (); times_valid = 1; |
801 | coro_times_update (); times_valid = 1; |
762 | coro_times_add (c); |
802 | coro_times_add (c); |
763 | } |
803 | } |
764 | |
804 | |
… | |
… | |
778 | |
818 | |
779 | XPUSHs (Nullsv); |
819 | XPUSHs (Nullsv); |
780 | /* this loop was inspired by pp_caller */ |
820 | /* this loop was inspired by pp_caller */ |
781 | for (;;) |
821 | for (;;) |
782 | { |
822 | { |
783 | while (expect_true (cxix >= 0)) |
823 | while (ecb_expect_true (cxix >= 0)) |
784 | { |
824 | { |
785 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
825 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
786 | |
826 | |
787 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
827 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
788 | { |
828 | { |
789 | CV *cv = cx->blk_sub.cv; |
829 | CV *cv = cx->blk_sub.cv; |
790 | |
830 | |
791 | if (expect_true (CvDEPTH (cv))) |
831 | if (ecb_expect_true (CvDEPTH (cv))) |
792 | { |
832 | { |
793 | EXTEND (SP, 3); |
833 | EXTEND (SP, 3); |
794 | PUSHs ((SV *)CvPADLIST (cv)); |
834 | PUSHs ((SV *)CvPADLIST (cv)); |
795 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
835 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
796 | PUSHs ((SV *)cv); |
836 | PUSHs ((SV *)cv); |
… | |
… | |
799 | get_padlist (aTHX_ cv); |
839 | get_padlist (aTHX_ cv); |
800 | } |
840 | } |
801 | } |
841 | } |
802 | } |
842 | } |
803 | |
843 | |
804 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
844 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
805 | break; |
845 | break; |
806 | |
846 | |
807 | top_si = top_si->si_prev; |
847 | top_si = top_si->si_prev; |
808 | ccstk = top_si->si_cxstack; |
848 | ccstk = top_si->si_cxstack; |
809 | cxix = top_si->si_cxix; |
849 | cxix = top_si->si_cxix; |
… | |
… | |
811 | |
851 | |
812 | PUTBACK; |
852 | PUTBACK; |
813 | } |
853 | } |
814 | |
854 | |
815 | /* allocate some space on the context stack for our purposes */ |
855 | /* allocate some space on the context stack for our purposes */ |
816 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
856 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
817 | { |
857 | { |
818 | unsigned int i; |
858 | unsigned int i; |
819 | |
859 | |
820 | for (i = 0; i < SLOT_COUNT; ++i) |
860 | for (i = 0; i < SLOT_COUNT; ++i) |
821 | CXINC; |
861 | CXINC; |
… | |
… | |
826 | c->mainstack = PL_mainstack; |
866 | c->mainstack = PL_mainstack; |
827 | |
867 | |
828 | { |
868 | { |
829 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
869 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
830 | |
870 | |
831 | slot->defav = GvAV (PL_defgv); |
871 | #if CORO_JIT |
832 | slot->defsv = DEFSV; |
872 | save_perl_slots (slot); |
833 | slot->errsv = ERRSV; |
873 | #else |
834 | slot->irsgv = GvSV (irsgv); |
|
|
835 | slot->hinthv = GvHV (PL_hintgv); |
|
|
836 | |
|
|
837 | #define VAR(name,type) slot->name = PL_ ## name; |
874 | #define VARx(name,expr,type) slot->name = expr; |
838 | # include "state.h" |
875 | #include "state.h" |
839 | #undef VAR |
876 | #endif |
840 | } |
877 | } |
841 | } |
878 | } |
842 | |
879 | |
843 | /* |
880 | /* |
844 | * allocate various perl stacks. This is almost an exact copy |
881 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
875 | #endif |
912 | #endif |
876 | |
913 | |
877 | New(54,PL_scopestack,8,I32); |
914 | New(54,PL_scopestack,8,I32); |
878 | PL_scopestack_ix = 0; |
915 | PL_scopestack_ix = 0; |
879 | PL_scopestack_max = 8; |
916 | PL_scopestack_max = 8; |
|
|
917 | #if HAS_SCOPESTACK_NAME |
|
|
918 | New(54,PL_scopestack_name,8,const char*); |
|
|
919 | #endif |
880 | |
920 | |
881 | New(54,PL_savestack,24,ANY); |
921 | New(54,PL_savestack,24,ANY); |
882 | PL_savestack_ix = 0; |
922 | PL_savestack_ix = 0; |
883 | PL_savestack_max = 24; |
923 | PL_savestack_max = 24; |
884 | |
924 | |
… | |
… | |
912 | } |
952 | } |
913 | |
953 | |
914 | Safefree (PL_tmps_stack); |
954 | Safefree (PL_tmps_stack); |
915 | Safefree (PL_markstack); |
955 | Safefree (PL_markstack); |
916 | Safefree (PL_scopestack); |
956 | Safefree (PL_scopestack); |
|
|
957 | #if HAS_SCOPESTACK_NAME |
|
|
958 | Safefree (PL_scopestack_name); |
|
|
959 | #endif |
917 | Safefree (PL_savestack); |
960 | Safefree (PL_savestack); |
918 | #if !PERL_VERSION_ATLEAST (5,10,0) |
961 | #if !PERL_VERSION_ATLEAST (5,10,0) |
919 | Safefree (PL_retstack); |
962 | Safefree (PL_retstack); |
920 | #endif |
963 | #endif |
921 | } |
964 | } |
… | |
… | |
967 | #endif |
1010 | #endif |
968 | |
1011 | |
969 | /* |
1012 | /* |
970 | * This overrides the default magic get method of %SIG elements. |
1013 | * This overrides the default magic get method of %SIG elements. |
971 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1014 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
972 | * and instead of trying to save and restore the hash elements, we just provide |
1015 | * and instead of trying to save and restore the hash elements (extremely slow), |
973 | * readback here. |
1016 | * we just provide our own readback here. |
974 | */ |
1017 | */ |
975 | static int |
1018 | static int ecb_cold |
976 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1019 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
977 | { |
1020 | { |
978 | const char *s = MgPV_nolen_const (mg); |
1021 | const char *s = MgPV_nolen_const (mg); |
979 | |
1022 | |
980 | if (*s == '_') |
1023 | if (*s == '_') |
981 | { |
1024 | { |
982 | SV **svp = 0; |
1025 | SV **svp = 0; |
983 | |
1026 | |
984 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1027 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
985 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1028 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
986 | |
1029 | |
987 | if (svp) |
1030 | if (svp) |
988 | { |
1031 | { |
989 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1032 | SV *ssv; |
|
|
1033 | |
|
|
1034 | if (!*svp) |
|
|
1035 | ssv = &PL_sv_undef; |
|
|
1036 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1037 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1038 | else |
|
|
1039 | ssv = *svp; |
|
|
1040 | |
|
|
1041 | sv_setsv (sv, ssv); |
990 | return 0; |
1042 | return 0; |
991 | } |
1043 | } |
992 | } |
1044 | } |
993 | |
1045 | |
994 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1046 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
995 | } |
1047 | } |
996 | |
1048 | |
997 | static int |
1049 | static int ecb_cold |
998 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1050 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
999 | { |
1051 | { |
1000 | const char *s = MgPV_nolen_const (mg); |
1052 | const char *s = MgPV_nolen_const (mg); |
1001 | |
1053 | |
1002 | if (*s == '_') |
1054 | if (*s == '_') |
… | |
… | |
1016 | } |
1068 | } |
1017 | |
1069 | |
1018 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1070 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1019 | } |
1071 | } |
1020 | |
1072 | |
1021 | static int |
1073 | static int ecb_cold |
1022 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1074 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1023 | { |
1075 | { |
1024 | const char *s = MgPV_nolen_const (mg); |
1076 | const char *s = MgPV_nolen_const (mg); |
1025 | |
1077 | |
1026 | if (*s == '_') |
1078 | if (*s == '_') |
… | |
… | |
1061 | return 1; |
1113 | return 1; |
1062 | } |
1114 | } |
1063 | |
1115 | |
1064 | static UNOP init_perl_op; |
1116 | static UNOP init_perl_op; |
1065 | |
1117 | |
1066 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1118 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1067 | init_perl (pTHX_ struct coro *coro) |
1119 | init_perl (pTHX_ struct coro *coro) |
1068 | { |
1120 | { |
1069 | /* |
1121 | /* |
1070 | * emulate part of the perl startup here. |
1122 | * emulate part of the perl startup here. |
1071 | */ |
1123 | */ |
… | |
… | |
1086 | PL_parser = 0; |
1138 | PL_parser = 0; |
1087 | #endif |
1139 | #endif |
1088 | PL_hints = 0; |
1140 | PL_hints = 0; |
1089 | |
1141 | |
1090 | /* recreate the die/warn hooks */ |
1142 | /* recreate the die/warn hooks */ |
1091 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1143 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1092 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1144 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1093 | |
1145 | |
1094 | GvSV (PL_defgv) = newSV (0); |
1146 | GvSV (PL_defgv) = newSV (0); |
1095 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1147 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1096 | GvSV (PL_errgv) = newSV (0); |
1148 | GvSV (PL_errgv) = newSV (0); |
1097 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1149 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1098 | GvHV (PL_hintgv) = 0; |
1150 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1133 | /* copy throw, in case it was set before init_perl */ |
1185 | /* copy throw, in case it was set before init_perl */ |
1134 | CORO_THROW = coro->except; |
1186 | CORO_THROW = coro->except; |
1135 | |
1187 | |
1136 | SWAP_SVS (coro); |
1188 | SWAP_SVS (coro); |
1137 | |
1189 | |
1138 | if (expect_false (enable_times)) |
1190 | if (ecb_expect_false (enable_times)) |
1139 | { |
1191 | { |
1140 | coro_times_update (); |
1192 | coro_times_update (); |
1141 | coro_times_sub (coro); |
1193 | coro_times_sub (coro); |
1142 | } |
1194 | } |
1143 | } |
1195 | } |
… | |
… | |
1186 | /* restore swapped sv's */ |
1238 | /* restore swapped sv's */ |
1187 | SWAP_SVS (coro); |
1239 | SWAP_SVS (coro); |
1188 | |
1240 | |
1189 | coro_destruct_stacks (aTHX); |
1241 | coro_destruct_stacks (aTHX); |
1190 | |
1242 | |
1191 | // now save some sv's to be free'd later |
1243 | /* now save some sv's to be free'd later */ |
1192 | svf [0] = GvSV (PL_defgv); |
1244 | svf [0] = GvSV (PL_defgv); |
1193 | svf [1] = (SV *)GvAV (PL_defgv); |
1245 | svf [1] = (SV *)GvAV (PL_defgv); |
1194 | svf [2] = GvSV (PL_errgv); |
1246 | svf [2] = GvSV (PL_errgv); |
1195 | svf [3] = (SV *)PL_defoutgv; |
1247 | svf [3] = (SV *)PL_defoutgv; |
1196 | svf [4] = PL_rs; |
1248 | svf [4] = PL_rs; |
… | |
… | |
1216 | SvREFCNT_dec (coro->invoke_cb); |
1268 | SvREFCNT_dec (coro->invoke_cb); |
1217 | SvREFCNT_dec (coro->invoke_av); |
1269 | SvREFCNT_dec (coro->invoke_av); |
1218 | } |
1270 | } |
1219 | } |
1271 | } |
1220 | |
1272 | |
1221 | INLINE void |
1273 | ecb_inline void |
1222 | free_coro_mortal (pTHX) |
1274 | free_coro_mortal (pTHX) |
1223 | { |
1275 | { |
1224 | if (expect_true (coro_mortal)) |
1276 | if (ecb_expect_true (coro_mortal)) |
1225 | { |
1277 | { |
1226 | SvREFCNT_dec ((SV *)coro_mortal); |
1278 | SvREFCNT_dec ((SV *)coro_mortal); |
1227 | coro_mortal = 0; |
1279 | coro_mortal = 0; |
1228 | } |
1280 | } |
1229 | } |
1281 | } |
… | |
… | |
1364 | |
1416 | |
1365 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1417 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1366 | } |
1418 | } |
1367 | |
1419 | |
1368 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1420 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1369 | static void NOINLINE |
1421 | static void ecb_noinline |
1370 | cctx_prepare (pTHX) |
1422 | cctx_prepare (pTHX) |
1371 | { |
1423 | { |
1372 | PL_top_env = &PL_start_env; |
1424 | PL_top_env = &PL_start_env; |
1373 | |
1425 | |
1374 | if (cctx_current->flags & CC_TRACE) |
1426 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1385 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1437 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1386 | slf_frame.check = slf_check_set_stacklevel; |
1438 | slf_frame.check = slf_check_set_stacklevel; |
1387 | } |
1439 | } |
1388 | |
1440 | |
1389 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1441 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1390 | INLINE void |
1442 | ecb_inline void |
1391 | transfer_tail (pTHX) |
1443 | transfer_tail (pTHX) |
1392 | { |
1444 | { |
1393 | free_coro_mortal (aTHX); |
1445 | free_coro_mortal (aTHX); |
|
|
1446 | } |
|
|
1447 | |
|
|
1448 | /* try to exit the same way perl's main function would do */ |
|
|
1449 | /* we do not bother resetting the environment or other things *7 |
|
|
1450 | /* that are not, uhm, essential */ |
|
|
1451 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1452 | static void ecb_noinline ecb_cold |
|
|
1453 | perlish_exit (pTHX) |
|
|
1454 | { |
|
|
1455 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1456 | perl_free (PL_curinterp); |
|
|
1457 | exit (exitstatus); |
1394 | } |
1458 | } |
1395 | |
1459 | |
1396 | /* |
1460 | /* |
1397 | * this is a _very_ stripped down perl interpreter ;) |
1461 | * this is a _very_ stripped down perl interpreter ;) |
1398 | */ |
1462 | */ |
… | |
… | |
1427 | */ |
1491 | */ |
1428 | |
1492 | |
1429 | /* |
1493 | /* |
1430 | * If perl-run returns we assume exit() was being called or the coro |
1494 | * If perl-run returns we assume exit() was being called or the coro |
1431 | * fell off the end, which seems to be the only valid (non-bug) |
1495 | * fell off the end, which seems to be the only valid (non-bug) |
1432 | * reason for perl_run to return. We try to exit by jumping to the |
1496 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1433 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1497 | * doing in that case. YMMV. |
1434 | * coroutine as Coro has no such concept. |
|
|
1435 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1436 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1437 | */ |
1498 | */ |
1438 | PL_top_env = main_top_env; |
1499 | perlish_exit (aTHX); |
1439 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1440 | } |
1500 | } |
1441 | } |
1501 | } |
1442 | |
1502 | |
1443 | static coro_cctx * |
1503 | static coro_cctx * |
1444 | cctx_new () |
1504 | cctx_new (void) |
1445 | { |
1505 | { |
1446 | coro_cctx *cctx; |
1506 | coro_cctx *cctx; |
1447 | |
1507 | |
1448 | ++cctx_count; |
1508 | ++cctx_count; |
1449 | New (0, cctx, 1, coro_cctx); |
1509 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1455 | return cctx; |
1515 | return cctx; |
1456 | } |
1516 | } |
1457 | |
1517 | |
1458 | /* create a new cctx only suitable as source */ |
1518 | /* create a new cctx only suitable as source */ |
1459 | static coro_cctx * |
1519 | static coro_cctx * |
1460 | cctx_new_empty () |
1520 | cctx_new_empty (void) |
1461 | { |
1521 | { |
1462 | coro_cctx *cctx = cctx_new (); |
1522 | coro_cctx *cctx = cctx_new (); |
1463 | |
1523 | |
1464 | cctx->sptr = 0; |
1524 | cctx->sptr = 0; |
1465 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1525 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1467 | return cctx; |
1527 | return cctx; |
1468 | } |
1528 | } |
1469 | |
1529 | |
1470 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1530 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1471 | static coro_cctx * |
1531 | static coro_cctx * |
1472 | cctx_new_run () |
1532 | cctx_new_run (void) |
1473 | { |
1533 | { |
1474 | coro_cctx *cctx = cctx_new (); |
1534 | coro_cctx *cctx = cctx_new (); |
1475 | void *stack_start; |
1535 | void *stack_start; |
1476 | size_t stack_size; |
1536 | size_t stack_size; |
1477 | |
1537 | |
|
|
1538 | #if CORO_FIBER |
|
|
1539 | |
|
|
1540 | cctx->ssize = cctx_stacksize * sizeof (long); |
|
|
1541 | cctx->sptr = 0; |
|
|
1542 | |
|
|
1543 | #else |
|
|
1544 | |
1478 | #if HAVE_MMAP |
1545 | #if HAVE_MMAP |
1479 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1546 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1480 | /* mmap supposedly does allocate-on-write for us */ |
1547 | /* mmap supposedly does allocate-on-write for us */ |
1481 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1548 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, -1, 0); |
1482 | |
1549 | |
1483 | if (cctx->sptr != (void *)-1) |
1550 | if (cctx->sptr != (void *)-1) |
1484 | { |
1551 | { |
1485 | #if CORO_STACKGUARD |
1552 | #if CORO_STACKGUARD |
1486 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1553 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1487 | #endif |
1554 | #endif |
1488 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1555 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1489 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1556 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1490 | cctx->flags |= CC_MAPPED; |
1557 | cctx->flags |= CC_MAPPED; |
1491 | } |
1558 | } |
1492 | else |
1559 | else |
1493 | #endif |
1560 | #endif |
1494 | { |
1561 | { |
1495 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1562 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1496 | New (0, cctx->sptr, cctx_stacksize, long); |
1563 | New (0, cctx->sptr, cctx_stacksize, long); |
1497 | |
1564 | |
1498 | if (!cctx->sptr) |
1565 | if (!cctx->sptr) |
1499 | { |
1566 | { |
1500 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1567 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1501 | _exit (EXIT_FAILURE); |
1568 | _exit (EXIT_FAILURE); |
1502 | } |
1569 | } |
1503 | |
1570 | |
1504 | stack_start = cctx->sptr; |
1571 | stack_start = cctx->sptr; |
1505 | stack_size = cctx->ssize; |
1572 | stack_size = cctx->ssize; |
1506 | } |
1573 | } |
|
|
1574 | #endif |
1507 | |
1575 | |
1508 | #if CORO_USE_VALGRIND |
1576 | #if CORO_USE_VALGRIND |
1509 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
1577 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
1510 | #endif |
1578 | #endif |
1511 | |
1579 | |
… | |
… | |
1530 | { |
1598 | { |
1531 | #if CORO_USE_VALGRIND |
1599 | #if CORO_USE_VALGRIND |
1532 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1600 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1533 | #endif |
1601 | #endif |
1534 | |
1602 | |
1535 | #if HAVE_MMAP |
1603 | #if HAVE_MMAP |
1536 | if (cctx->flags & CC_MAPPED) |
1604 | if (cctx->flags & CC_MAPPED) |
1537 | munmap (cctx->sptr, cctx->ssize); |
1605 | munmap (cctx->sptr, cctx->ssize); |
1538 | else |
1606 | else |
1539 | #endif |
1607 | #endif |
1540 | Safefree (cctx->sptr); |
1608 | Safefree (cctx->sptr); |
1541 | } |
1609 | } |
1542 | |
1610 | |
1543 | Safefree (cctx); |
1611 | Safefree (cctx); |
1544 | } |
1612 | } |
1545 | |
1613 | |
… | |
… | |
1547 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1615 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1548 | |
1616 | |
1549 | static coro_cctx * |
1617 | static coro_cctx * |
1550 | cctx_get (pTHX) |
1618 | cctx_get (pTHX) |
1551 | { |
1619 | { |
1552 | while (expect_true (cctx_first)) |
1620 | while (ecb_expect_true (cctx_first)) |
1553 | { |
1621 | { |
1554 | coro_cctx *cctx = cctx_first; |
1622 | coro_cctx *cctx = cctx_first; |
1555 | cctx_first = cctx->next; |
1623 | cctx_first = cctx->next; |
1556 | --cctx_idle; |
1624 | --cctx_idle; |
1557 | |
1625 | |
1558 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1626 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1559 | return cctx; |
1627 | return cctx; |
1560 | |
1628 | |
1561 | cctx_destroy (cctx); |
1629 | cctx_destroy (cctx); |
1562 | } |
1630 | } |
1563 | |
1631 | |
… | |
… | |
1568 | cctx_put (coro_cctx *cctx) |
1636 | cctx_put (coro_cctx *cctx) |
1569 | { |
1637 | { |
1570 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1638 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1571 | |
1639 | |
1572 | /* free another cctx if overlimit */ |
1640 | /* free another cctx if overlimit */ |
1573 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1641 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1574 | { |
1642 | { |
1575 | coro_cctx *first = cctx_first; |
1643 | coro_cctx *first = cctx_first; |
1576 | cctx_first = first->next; |
1644 | cctx_first = first->next; |
1577 | --cctx_idle; |
1645 | --cctx_idle; |
1578 | |
1646 | |
… | |
… | |
1589 | static void |
1657 | static void |
1590 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1658 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1591 | { |
1659 | { |
1592 | /* TODO: throwing up here is considered harmful */ |
1660 | /* TODO: throwing up here is considered harmful */ |
1593 | |
1661 | |
1594 | if (expect_true (prev != next)) |
1662 | if (ecb_expect_true (prev != next)) |
1595 | { |
1663 | { |
1596 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1664 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1597 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1665 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1598 | |
1666 | |
1599 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1667 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1600 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1668 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1601 | |
1669 | |
1602 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1670 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1603 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1671 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1604 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1672 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1605 | #endif |
1673 | #endif |
1606 | } |
1674 | } |
1607 | } |
1675 | } |
1608 | |
1676 | |
1609 | /* always use the TRANSFER macro */ |
1677 | /* always use the TRANSFER macro */ |
1610 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1678 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1611 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1679 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1612 | { |
1680 | { |
1613 | dSTACKLEVEL; |
1681 | dSTACKLEVEL; |
1614 | |
1682 | |
1615 | /* sometimes transfer is only called to set idle_sp */ |
1683 | /* sometimes transfer is only called to set idle_sp */ |
1616 | if (expect_false (!prev)) |
1684 | if (ecb_expect_false (!prev)) |
1617 | { |
1685 | { |
1618 | cctx_current->idle_sp = STACKLEVEL; |
1686 | cctx_current->idle_sp = STACKLEVEL; |
1619 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1687 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1620 | } |
1688 | } |
1621 | else if (expect_true (prev != next)) |
1689 | else if (ecb_expect_true (prev != next)) |
1622 | { |
1690 | { |
1623 | coro_cctx *cctx_prev; |
1691 | coro_cctx *cctx_prev; |
1624 | |
1692 | |
1625 | if (expect_false (prev->flags & CF_NEW)) |
1693 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1626 | { |
1694 | { |
1627 | /* create a new empty/source context */ |
1695 | /* create a new empty/source context */ |
1628 | prev->flags &= ~CF_NEW; |
1696 | prev->flags &= ~CF_NEW; |
1629 | prev->flags |= CF_RUNNING; |
1697 | prev->flags |= CF_RUNNING; |
1630 | } |
1698 | } |
… | |
… | |
1633 | next->flags |= CF_RUNNING; |
1701 | next->flags |= CF_RUNNING; |
1634 | |
1702 | |
1635 | /* first get rid of the old state */ |
1703 | /* first get rid of the old state */ |
1636 | save_perl (aTHX_ prev); |
1704 | save_perl (aTHX_ prev); |
1637 | |
1705 | |
1638 | if (expect_false (next->flags & CF_NEW)) |
1706 | if (ecb_expect_false (next->flags & CF_NEW)) |
1639 | { |
1707 | { |
1640 | /* need to start coroutine */ |
1708 | /* need to start coroutine */ |
1641 | next->flags &= ~CF_NEW; |
1709 | next->flags &= ~CF_NEW; |
1642 | /* setup coroutine call */ |
1710 | /* setup coroutine call */ |
1643 | init_perl (aTHX_ next); |
1711 | init_perl (aTHX_ next); |
1644 | } |
1712 | } |
1645 | else |
1713 | else |
1646 | load_perl (aTHX_ next); |
1714 | load_perl (aTHX_ next); |
1647 | |
1715 | |
1648 | /* possibly untie and reuse the cctx */ |
1716 | /* possibly untie and reuse the cctx */ |
1649 | if (expect_true ( |
1717 | if (ecb_expect_true ( |
1650 | cctx_current->idle_sp == STACKLEVEL |
1718 | cctx_current->idle_sp == STACKLEVEL |
1651 | && !(cctx_current->flags & CC_TRACE) |
1719 | && !(cctx_current->flags & CC_TRACE) |
1652 | && !force_cctx |
1720 | && !force_cctx |
1653 | )) |
1721 | )) |
1654 | { |
1722 | { |
1655 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1723 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1656 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1724 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1657 | |
1725 | |
1658 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1726 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1659 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1727 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1660 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1728 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1661 | if (expect_true (!next->cctx)) |
1729 | if (ecb_expect_true (!next->cctx)) |
1662 | next->cctx = cctx_get (aTHX); |
1730 | next->cctx = cctx_get (aTHX); |
1663 | |
1731 | |
1664 | cctx_put (cctx_current); |
1732 | cctx_put (cctx_current); |
1665 | } |
1733 | } |
1666 | else |
1734 | else |
1667 | prev->cctx = cctx_current; |
1735 | prev->cctx = cctx_current; |
1668 | |
1736 | |
1669 | ++next->usecount; |
1737 | ++next->usecount; |
1670 | |
1738 | |
1671 | cctx_prev = cctx_current; |
1739 | cctx_prev = cctx_current; |
1672 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1740 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1673 | |
1741 | |
1674 | next->cctx = 0; |
1742 | next->cctx = 0; |
1675 | |
1743 | |
1676 | if (expect_false (cctx_prev != cctx_current)) |
1744 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1677 | { |
1745 | { |
1678 | cctx_prev->top_env = PL_top_env; |
1746 | cctx_prev->top_env = PL_top_env; |
1679 | PL_top_env = cctx_current->top_env; |
1747 | PL_top_env = cctx_current->top_env; |
1680 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1748 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1681 | } |
1749 | } |
… | |
… | |
1695 | coro_call_on_destroy (pTHX_ struct coro *coro); |
1763 | coro_call_on_destroy (pTHX_ struct coro *coro); |
1696 | |
1764 | |
1697 | static void |
1765 | static void |
1698 | coro_state_destroy (pTHX_ struct coro *coro) |
1766 | coro_state_destroy (pTHX_ struct coro *coro) |
1699 | { |
1767 | { |
1700 | if (coro->flags & CF_DESTROYED) |
1768 | if (coro->flags & CF_ZOMBIE) |
1701 | return; |
1769 | return; |
1702 | |
1770 | |
1703 | slf_destroy (aTHX_ coro); |
1771 | slf_destroy (aTHX_ coro); |
1704 | |
1772 | |
1705 | coro->flags |= CF_DESTROYED; |
1773 | coro->flags |= CF_ZOMBIE; |
1706 | |
1774 | |
1707 | if (coro->flags & CF_READY) |
1775 | if (coro->flags & CF_READY) |
1708 | { |
1776 | { |
1709 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1777 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1710 | /* alternative: look through all ready queues and remove the coro */ |
1778 | /* alternative: look through all ready queues and remove the coro */ |
1711 | --coro_nready; |
1779 | --coro_nready; |
… | |
… | |
1727 | SvREFCNT_dec (coro->startcv); |
1795 | SvREFCNT_dec (coro->startcv); |
1728 | SvREFCNT_dec (coro->args); |
1796 | SvREFCNT_dec (coro->args); |
1729 | SvREFCNT_dec (coro->swap_sv); |
1797 | SvREFCNT_dec (coro->swap_sv); |
1730 | SvREFCNT_dec (CORO_THROW); |
1798 | SvREFCNT_dec (CORO_THROW); |
1731 | |
1799 | |
1732 | coro_call_on_destroy (coro); |
1800 | coro_call_on_destroy (aTHX_ coro); |
1733 | |
1801 | |
1734 | /* more destruction mayhem in coro_state_free */ |
1802 | /* more destruction mayhem in coro_state_free */ |
1735 | } |
1803 | } |
1736 | |
1804 | |
1737 | static int |
1805 | static int |
1738 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1806 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1739 | { |
1807 | { |
1740 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1808 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1741 | mg->mg_ptr = 0; |
1809 | mg->mg_ptr = 0; |
1742 | |
1810 | |
1743 | coro_state_destroy (coro); |
1811 | coro_state_destroy (aTHX_ coro); |
1744 | SvREFCNT_dec (coro->on_destroy); |
1812 | SvREFCNT_dec (coro->on_destroy); |
1745 | SvREFCNT_dec (coro->status); |
1813 | SvREFCNT_dec (coro->status); |
1746 | |
1814 | |
1747 | Safefree (coro); |
1815 | Safefree (coro); |
1748 | |
1816 | |
1749 | return 0; |
1817 | return 0; |
1750 | } |
1818 | } |
1751 | |
1819 | |
1752 | static int |
1820 | static int ecb_cold |
1753 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1821 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1754 | { |
1822 | { |
1755 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1823 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1756 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1824 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1757 | mg->mg_ptr = 0; |
1825 | mg->mg_ptr = 0; |
… | |
… | |
1788 | TRANSFER (ta, 1); |
1856 | TRANSFER (ta, 1); |
1789 | } |
1857 | } |
1790 | |
1858 | |
1791 | /** Coro ********************************************************************/ |
1859 | /** Coro ********************************************************************/ |
1792 | |
1860 | |
1793 | INLINE void |
1861 | ecb_inline void |
1794 | coro_enq (pTHX_ struct coro *coro) |
1862 | coro_enq (pTHX_ struct coro *coro) |
1795 | { |
1863 | { |
1796 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1864 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1797 | |
1865 | |
1798 | SvREFCNT_inc_NN (coro->hv); |
1866 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1800 | coro->next_ready = 0; |
1868 | coro->next_ready = 0; |
1801 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1869 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1802 | ready [1] = coro; |
1870 | ready [1] = coro; |
1803 | } |
1871 | } |
1804 | |
1872 | |
1805 | INLINE struct coro * |
1873 | ecb_inline struct coro * |
1806 | coro_deq (pTHX) |
1874 | coro_deq (pTHX) |
1807 | { |
1875 | { |
1808 | int prio; |
1876 | int prio; |
1809 | |
1877 | |
1810 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1878 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1863 | { |
1931 | { |
1864 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1932 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1865 | } |
1933 | } |
1866 | |
1934 | |
1867 | /* expects to own a reference to next->hv */ |
1935 | /* expects to own a reference to next->hv */ |
1868 | INLINE void |
1936 | ecb_inline void |
1869 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1937 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1870 | { |
1938 | { |
1871 | SV *prev_sv = SvRV (coro_current); |
1939 | SV *prev_sv = SvRV (coro_current); |
1872 | |
1940 | |
1873 | ta->prev = SvSTATE_hv (prev_sv); |
1941 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1886 | { |
1954 | { |
1887 | for (;;) |
1955 | for (;;) |
1888 | { |
1956 | { |
1889 | struct coro *next = coro_deq (aTHX); |
1957 | struct coro *next = coro_deq (aTHX); |
1890 | |
1958 | |
1891 | if (expect_true (next)) |
1959 | if (ecb_expect_true (next)) |
1892 | { |
1960 | { |
1893 | /* cannot transfer to destroyed coros, skip and look for next */ |
1961 | /* cannot transfer to destroyed coros, skip and look for next */ |
1894 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1962 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1895 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1963 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1896 | else |
1964 | else |
1897 | { |
1965 | { |
1898 | next->flags &= ~CF_READY; |
1966 | next->flags &= ~CF_READY; |
1899 | --coro_nready; |
1967 | --coro_nready; |
… | |
… | |
1932 | } |
2000 | } |
1933 | } |
2001 | } |
1934 | } |
2002 | } |
1935 | } |
2003 | } |
1936 | |
2004 | |
1937 | INLINE void |
2005 | ecb_inline void |
1938 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2006 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1939 | { |
2007 | { |
1940 | api_ready (aTHX_ coro_current); |
2008 | api_ready (aTHX_ coro_current); |
1941 | prepare_schedule (aTHX_ ta); |
2009 | prepare_schedule (aTHX_ ta); |
1942 | } |
2010 | } |
1943 | |
2011 | |
1944 | INLINE void |
2012 | ecb_inline void |
1945 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2013 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1946 | { |
2014 | { |
1947 | SV *prev = SvRV (coro_current); |
2015 | SV *prev = SvRV (coro_current); |
1948 | |
2016 | |
1949 | if (coro_nready) |
2017 | if (coro_nready) |
… | |
… | |
1979 | { |
2047 | { |
1980 | struct coro_transfer_args ta; |
2048 | struct coro_transfer_args ta; |
1981 | |
2049 | |
1982 | prepare_cede (aTHX_ &ta); |
2050 | prepare_cede (aTHX_ &ta); |
1983 | |
2051 | |
1984 | if (expect_true (ta.prev != ta.next)) |
2052 | if (ecb_expect_true (ta.prev != ta.next)) |
1985 | { |
2053 | { |
1986 | TRANSFER (ta, 1); |
2054 | TRANSFER (ta, 1); |
1987 | return 1; |
2055 | return 1; |
1988 | } |
2056 | } |
1989 | else |
2057 | else |
… | |
… | |
2054 | PUTBACK; |
2122 | PUTBACK; |
2055 | } |
2123 | } |
2056 | } |
2124 | } |
2057 | |
2125 | |
2058 | static void |
2126 | static void |
2059 | coro_push_on_destroy (aTHX_ struct coro *coro, SV *cb) |
2127 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
2060 | { |
2128 | { |
2061 | if (!coro->on_destroy) |
2129 | if (!coro->on_destroy) |
2062 | coro->on_destroy = newAV (); |
2130 | coro->on_destroy = newAV (); |
2063 | |
2131 | |
2064 | av_push (coro->on_destroy, cb); |
2132 | av_push (coro->on_destroy, cb); |
… | |
… | |
2078 | if (!coro->status) |
2146 | if (!coro->status) |
2079 | return 1; |
2147 | return 1; |
2080 | |
2148 | |
2081 | frame->destroy = 0; |
2149 | frame->destroy = 0; |
2082 | |
2150 | |
2083 | coro_push_av (coro->status, GIMME_V); |
2151 | coro_push_av (aTHX_ coro->status, GIMME_V); |
2084 | |
2152 | |
2085 | SvREFCNT_dec ((SV *)coro->hv); |
2153 | SvREFCNT_dec ((SV *)coro->hv); |
2086 | |
2154 | |
2087 | return 0; |
2155 | return 0; |
2088 | } |
2156 | } |
… | |
… | |
2135 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2203 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2136 | SPAGAIN; |
2204 | SPAGAIN; |
2137 | } |
2205 | } |
2138 | |
2206 | |
2139 | PUTBACK; |
2207 | PUTBACK; |
2140 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2208 | call_sv (cb, G_VOID | G_DISCARD); |
2141 | } |
2209 | } |
2142 | } |
2210 | } |
2143 | } |
2211 | } |
2144 | |
2212 | |
2145 | static void |
2213 | static void |
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2214 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2147 | { |
2215 | { |
2148 | AV *av; |
2216 | AV *av; |
2149 | |
2217 | |
2150 | if (coro->status) |
2218 | if (coro->status) |
2151 | { |
2219 | { |
2152 | av = coro->status; |
2220 | av = coro->status; |
2153 | av_clear (av); |
2221 | av_clear (av); |
2154 | } |
2222 | } |
… | |
… | |
2201 | |
2269 | |
2202 | coro = SvSTATE (arg [0]); |
2270 | coro = SvSTATE (arg [0]); |
2203 | coro_hv = coro->hv; |
2271 | coro_hv = coro->hv; |
2204 | |
2272 | |
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2273 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2206 | |
2274 | |
2207 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2275 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2208 | { |
2276 | { |
2209 | /* coro currently busy cancelling something, so just notify it */ |
2277 | /* coro currently busy cancelling something, so just notify it */ |
2210 | coro->slf_frame.data = (void *)coro; |
2278 | coro->slf_frame.data = (void *)coro; |
2211 | |
2279 | |
2212 | frame->prepare = prepare_nop; |
2280 | frame->prepare = prepare_nop; |
… | |
… | |
2320 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2388 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2321 | { |
2389 | { |
2322 | HV *hv = (HV *)SvRV (coro_current); |
2390 | HV *hv = (HV *)SvRV (coro_current); |
2323 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2391 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2324 | |
2392 | |
2325 | if (expect_true (coro->saved_deffh)) |
2393 | if (ecb_expect_true (coro->saved_deffh)) |
2326 | { |
2394 | { |
2327 | /* subsequent iteration */ |
2395 | /* subsequent iteration */ |
2328 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2396 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2329 | coro->saved_deffh = 0; |
2397 | coro->saved_deffh = 0; |
2330 | |
2398 | |
… | |
… | |
2390 | |
2458 | |
2391 | static int |
2459 | static int |
2392 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2460 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2393 | { |
2461 | { |
2394 | SV *data = (SV *)frame->data; |
2462 | SV *data = (SV *)frame->data; |
2395 | |
2463 | |
2396 | if (CORO_THROW) |
2464 | if (CORO_THROW) |
2397 | return 0; |
2465 | return 0; |
2398 | |
2466 | |
2399 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2467 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2400 | return 1; |
2468 | return 1; |
… | |
… | |
2436 | cb = sv_2mortal (coro->rouse_cb); |
2504 | cb = sv_2mortal (coro->rouse_cb); |
2437 | coro->rouse_cb = 0; |
2505 | coro->rouse_cb = 0; |
2438 | } |
2506 | } |
2439 | |
2507 | |
2440 | if (!SvROK (cb) |
2508 | if (!SvROK (cb) |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2509 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2510 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2511 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2444 | |
2512 | |
2445 | { |
2513 | { |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2514 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2596 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2664 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2597 | |
2665 | |
2598 | /* set up the slf frame, unless it has already been set-up */ |
2666 | /* set up the slf frame, unless it has already been set-up */ |
2599 | /* the latter happens when a new coro has been started */ |
2667 | /* the latter happens when a new coro has been started */ |
2600 | /* or when a new cctx was attached to an existing coroutine */ |
2668 | /* or when a new cctx was attached to an existing coroutine */ |
2601 | if (expect_true (!slf_frame.prepare)) |
2669 | if (ecb_expect_true (!slf_frame.prepare)) |
2602 | { |
2670 | { |
2603 | /* first iteration */ |
2671 | /* first iteration */ |
2604 | dSP; |
2672 | dSP; |
2605 | SV **arg = PL_stack_base + TOPMARK + 1; |
2673 | SV **arg = PL_stack_base + TOPMARK + 1; |
2606 | int items = SP - arg; /* args without function object */ |
2674 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2647 | while (slf_frame.check (aTHX_ &slf_frame)); |
2715 | while (slf_frame.check (aTHX_ &slf_frame)); |
2648 | |
2716 | |
2649 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2717 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2650 | |
2718 | |
2651 | /* exception handling */ |
2719 | /* exception handling */ |
2652 | if (expect_false (CORO_THROW)) |
2720 | if (ecb_expect_false (CORO_THROW)) |
2653 | { |
2721 | { |
2654 | SV *exception = sv_2mortal (CORO_THROW); |
2722 | SV *exception = sv_2mortal (CORO_THROW); |
2655 | |
2723 | |
2656 | CORO_THROW = 0; |
2724 | CORO_THROW = 0; |
2657 | sv_setsv (ERRSV, exception); |
2725 | sv_setsv (ERRSV, exception); |
… | |
… | |
2659 | } |
2727 | } |
2660 | |
2728 | |
2661 | /* return value handling - mostly like entersub */ |
2729 | /* return value handling - mostly like entersub */ |
2662 | /* make sure we put something on the stack in scalar context */ |
2730 | /* make sure we put something on the stack in scalar context */ |
2663 | if (GIMME_V == G_SCALAR |
2731 | if (GIMME_V == G_SCALAR |
2664 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2732 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2665 | { |
2733 | { |
2666 | dSP; |
2734 | dSP; |
2667 | SV **bot = PL_stack_base + checkmark; |
2735 | SV **bot = PL_stack_base + checkmark; |
2668 | |
2736 | |
2669 | if (sp == bot) /* too few, push undef */ |
2737 | if (sp == bot) /* too few, push undef */ |
… | |
… | |
2783 | { |
2851 | { |
2784 | PerlIOBuf base; |
2852 | PerlIOBuf base; |
2785 | NV next, every; |
2853 | NV next, every; |
2786 | } PerlIOCede; |
2854 | } PerlIOCede; |
2787 | |
2855 | |
2788 | static IV |
2856 | static IV ecb_cold |
2789 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2857 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2790 | { |
2858 | { |
2791 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2859 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2792 | |
2860 | |
2793 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2861 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2794 | self->next = nvtime () + self->every; |
2862 | self->next = nvtime () + self->every; |
2795 | |
2863 | |
2796 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2864 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2797 | } |
2865 | } |
2798 | |
2866 | |
2799 | static SV * |
2867 | static SV * ecb_cold |
2800 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2868 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2801 | { |
2869 | { |
2802 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2870 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2803 | |
2871 | |
2804 | return newSVnv (self->every); |
2872 | return newSVnv (self->every); |
… | |
… | |
2949 | { |
3017 | { |
2950 | int i; |
3018 | int i; |
2951 | /* if we were woken up but can't down, we look through the whole */ |
3019 | /* if we were woken up but can't down, we look through the whole */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
3020 | /* waiters list and only add us if we aren't in there already */ |
2953 | /* this avoids some degenerate memory usage cases */ |
3021 | /* this avoids some degenerate memory usage cases */ |
2954 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
3022 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2955 | if (AvARRAY (av)[i] == coro_hv) |
3023 | if (AvARRAY (av)[i] == coro_hv) |
2956 | return 1; |
3024 | return 1; |
2957 | |
3025 | |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
3026 | av_push (av, SvREFCNT_inc (coro_hv)); |
2959 | return 1; |
3027 | return 1; |
… | |
… | |
3216 | dSP; |
3284 | dSP; |
3217 | |
3285 | |
3218 | static SV *prio_cv; |
3286 | static SV *prio_cv; |
3219 | static SV *prio_sv; |
3287 | static SV *prio_sv; |
3220 | |
3288 | |
3221 | if (expect_false (!prio_cv)) |
3289 | if (ecb_expect_false (!prio_cv)) |
3222 | { |
3290 | { |
3223 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3291 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3224 | prio_sv = newSViv (0); |
3292 | prio_sv = newSViv (0); |
3225 | } |
3293 | } |
3226 | |
3294 | |
… | |
… | |
3332 | } |
3400 | } |
3333 | |
3401 | |
3334 | return coro_sv; |
3402 | return coro_sv; |
3335 | } |
3403 | } |
3336 | |
3404 | |
|
|
3405 | #ifndef __cplusplus |
|
|
3406 | ecb_cold XS(boot_Coro__State); |
|
|
3407 | #endif |
|
|
3408 | |
|
|
3409 | #if CORO_JIT |
|
|
3410 | |
|
|
3411 | static void ecb_noinline ecb_cold |
|
|
3412 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3413 | { |
|
|
3414 | dSP; |
|
|
3415 | AV *av = newAV (); |
|
|
3416 | |
|
|
3417 | av_store (av, 3, newSVuv (d)); |
|
|
3418 | av_store (av, 2, newSVuv (c)); |
|
|
3419 | av_store (av, 1, newSVuv (b)); |
|
|
3420 | av_store (av, 0, newSVuv (a)); |
|
|
3421 | |
|
|
3422 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3423 | |
|
|
3424 | PUTBACK; |
|
|
3425 | } |
|
|
3426 | |
|
|
3427 | static void ecb_noinline ecb_cold |
|
|
3428 | jit_init (pTHX) |
|
|
3429 | { |
|
|
3430 | dSP; |
|
|
3431 | SV *load, *save; |
|
|
3432 | char *map_base; |
|
|
3433 | char *load_ptr, *save_ptr; |
|
|
3434 | STRLEN load_len, save_len, map_len; |
|
|
3435 | int count; |
|
|
3436 | |
|
|
3437 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3438 | |
|
|
3439 | PUSHMARK (SP); |
|
|
3440 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3441 | #include "state.h" |
|
|
3442 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3443 | SPAGAIN; |
|
|
3444 | |
|
|
3445 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3446 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3447 | |
|
|
3448 | map_len = load_len + save_len + 16; |
|
|
3449 | |
|
|
3450 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3451 | |
|
|
3452 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3453 | |
|
|
3454 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3455 | memcpy (map_base, load_ptr, load_len); |
|
|
3456 | |
|
|
3457 | map_base += (load_len + 15) & ~15; |
|
|
3458 | |
|
|
3459 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3460 | memcpy (map_base, save_ptr, save_len); |
|
|
3461 | |
|
|
3462 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3463 | /* hackers might have it a bit more difficult */ |
|
|
3464 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3465 | |
|
|
3466 | PUTBACK; |
|
|
3467 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3468 | } |
|
|
3469 | |
|
|
3470 | #endif |
|
|
3471 | |
3337 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3472 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3338 | |
3473 | |
3339 | PROTOTYPES: DISABLE |
3474 | PROTOTYPES: DISABLE |
3340 | |
3475 | |
3341 | BOOT: |
3476 | BOOT: |
… | |
… | |
3344 | # if CORO_PTHREAD |
3479 | # if CORO_PTHREAD |
3345 | coro_thx = PERL_GET_CONTEXT; |
3480 | coro_thx = PERL_GET_CONTEXT; |
3346 | # endif |
3481 | # endif |
3347 | #endif |
3482 | #endif |
3348 | BOOT_PAGESIZE; |
3483 | BOOT_PAGESIZE; |
|
|
3484 | |
|
|
3485 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3486 | /* just create them one at init time is not clear to me, except for */ |
|
|
3487 | /* programs trying to delete them, but... */ |
|
|
3488 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3489 | DEFSV; |
|
|
3490 | ERRSV; |
3349 | |
3491 | |
3350 | cctx_current = cctx_new_empty (); |
3492 | cctx_current = cctx_new_empty (); |
3351 | |
3493 | |
3352 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3494 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3353 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3495 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3396 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3538 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3397 | |
3539 | |
3398 | time_init (aTHX); |
3540 | time_init (aTHX); |
3399 | |
3541 | |
3400 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3542 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3543 | #if CORO_JIT |
|
|
3544 | PUTBACK; |
|
|
3545 | jit_init (aTHX); |
|
|
3546 | SPAGAIN; |
|
|
3547 | #endif |
3401 | } |
3548 | } |
3402 | |
3549 | |
3403 | SV * |
3550 | SV * |
3404 | new (SV *klass, ...) |
3551 | new (SV *klass, ...) |
3405 | ALIAS: |
3552 | ALIAS: |
… | |
… | |
3482 | void |
3629 | void |
3483 | list () |
3630 | list () |
3484 | PROTOTYPE: |
3631 | PROTOTYPE: |
3485 | PPCODE: |
3632 | PPCODE: |
3486 | { |
3633 | { |
3487 | struct coro *coro; |
3634 | struct coro *coro; |
3488 | for (coro = coro_first; coro; coro = coro->next) |
3635 | for (coro = coro_first; coro; coro = coro->next) |
3489 | if (coro->hv) |
3636 | if (coro->hv) |
3490 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3637 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3491 | } |
3638 | } |
3492 | |
3639 | |
… | |
… | |
3547 | PROTOTYPE: $ |
3694 | PROTOTYPE: $ |
3548 | ALIAS: |
3695 | ALIAS: |
3549 | is_ready = CF_READY |
3696 | is_ready = CF_READY |
3550 | is_running = CF_RUNNING |
3697 | is_running = CF_RUNNING |
3551 | is_new = CF_NEW |
3698 | is_new = CF_NEW |
3552 | is_destroyed = CF_DESTROYED |
3699 | is_destroyed = CF_ZOMBIE |
|
|
3700 | is_zombie = CF_ZOMBIE |
3553 | is_suspended = CF_SUSPENDED |
3701 | is_suspended = CF_SUSPENDED |
3554 | CODE: |
3702 | CODE: |
3555 | RETVAL = boolSV (coro->flags & ix); |
3703 | RETVAL = boolSV (coro->flags & ix); |
3556 | OUTPUT: |
3704 | OUTPUT: |
3557 | RETVAL |
3705 | RETVAL |
3558 | |
3706 | |
3559 | void |
3707 | void |
3560 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3708 | throw (SV *self, SV *exception = &PL_sv_undef) |
3561 | PROTOTYPE: $;$ |
3709 | PROTOTYPE: $;$ |
3562 | CODE: |
3710 | CODE: |
3563 | { |
3711 | { |
|
|
3712 | struct coro *coro = SvSTATE (self); |
3564 | struct coro *current = SvSTATE_current; |
3713 | struct coro *current = SvSTATE_current; |
3565 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3714 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3566 | SvREFCNT_dec (*exceptionp); |
3715 | SvREFCNT_dec (*exceptionp); |
3567 | SvGETMAGIC (exception); |
3716 | SvGETMAGIC (exception); |
3568 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3717 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3718 | |
|
|
3719 | api_ready (aTHX_ self); |
3569 | } |
3720 | } |
3570 | |
3721 | |
3571 | void |
3722 | void |
3572 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3723 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3573 | PROTOTYPE: $;$ |
3724 | PROTOTYPE: $;$ |
… | |
… | |
3650 | |
3801 | |
3651 | void |
3802 | void |
3652 | times (Coro::State self) |
3803 | times (Coro::State self) |
3653 | PPCODE: |
3804 | PPCODE: |
3654 | { |
3805 | { |
3655 | struct coro *current = SvSTATE (coro_current); |
3806 | struct coro *current = SvSTATE (coro_current); |
3656 | |
3807 | |
3657 | if (expect_false (current == self)) |
3808 | if (ecb_expect_false (current == self)) |
3658 | { |
3809 | { |
3659 | coro_times_update (); |
3810 | coro_times_update (); |
3660 | coro_times_add (SvSTATE (coro_current)); |
3811 | coro_times_add (SvSTATE (coro_current)); |
3661 | } |
3812 | } |
3662 | |
3813 | |
3663 | EXTEND (SP, 2); |
3814 | EXTEND (SP, 2); |
3664 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3815 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3665 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3816 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3666 | |
3817 | |
3667 | if (expect_false (current == self)) |
3818 | if (ecb_expect_false (current == self)) |
3668 | coro_times_sub (SvSTATE (coro_current)); |
3819 | coro_times_sub (SvSTATE (coro_current)); |
3669 | } |
3820 | } |
3670 | |
3821 | |
3671 | void |
3822 | void |
3672 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3823 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3703 | |
3854 | |
3704 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3855 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3705 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3856 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3706 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3857 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3707 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3858 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3708 | |
3859 | |
3709 | coro_stash = gv_stashpv ("Coro", TRUE); |
3860 | coro_stash = gv_stashpv ("Coro", TRUE); |
3710 | |
3861 | |
3711 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3862 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3712 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3863 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3713 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3864 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3935 | on_leave = 1 |
4086 | on_leave = 1 |
3936 | PROTOTYPE: & |
4087 | PROTOTYPE: & |
3937 | CODE: |
4088 | CODE: |
3938 | { |
4089 | { |
3939 | struct coro *coro = SvSTATE_current; |
4090 | struct coro *coro = SvSTATE_current; |
3940 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4091 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3941 | |
4092 | |
3942 | block = s_get_cv_croak (block); |
4093 | block = s_get_cv_croak (block); |
3943 | |
4094 | |
3944 | if (!*avp) |
4095 | if (!*avp) |
3945 | *avp = newAV (); |
4096 | *avp = newAV (); |
… | |
… | |
3965 | |
4116 | |
3966 | SV * |
4117 | SV * |
3967 | new (SV *klass, SV *count = 0) |
4118 | new (SV *klass, SV *count = 0) |
3968 | CODE: |
4119 | CODE: |
3969 | { |
4120 | { |
3970 | int semcnt = 1; |
4121 | int semcnt = 1; |
3971 | |
4122 | |
3972 | if (count) |
4123 | if (count) |
3973 | { |
4124 | { |
3974 | SvGETMAGIC (count); |
4125 | SvGETMAGIC (count); |
3975 | |
4126 | |
… | |
… | |
4035 | XSRETURN_NO; |
4186 | XSRETURN_NO; |
4036 | } |
4187 | } |
4037 | |
4188 | |
4038 | void |
4189 | void |
4039 | waiters (SV *self) |
4190 | waiters (SV *self) |
4040 | PPCODE: |
4191 | PPCODE: |
4041 | { |
4192 | { |
4042 | AV *av = (AV *)SvRV (self); |
4193 | AV *av = (AV *)SvRV (self); |
4043 | int wcount = AvFILLp (av) + 1 - 1; |
4194 | int wcount = AvFILLp (av) + 1 - 1; |
4044 | |
4195 | |
4045 | if (GIMME_V == G_SCALAR) |
4196 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4054 | } |
4205 | } |
4055 | |
4206 | |
4056 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4207 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4057 | |
4208 | |
4058 | void |
4209 | void |
4059 | _may_delete (SV *sem, int count, int extra_refs) |
4210 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4060 | PPCODE: |
4211 | PPCODE: |
4061 | { |
4212 | { |
4062 | AV *av = (AV *)SvRV (sem); |
4213 | AV *av = (AV *)SvRV (sem); |
4063 | |
4214 | |
4064 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4215 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4065 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4216 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4066 | && SvIV (AvARRAY (av)[0]) == count) |
4217 | && SvIV (AvARRAY (av)[0]) == count) |
4067 | XSRETURN_YES; |
4218 | XSRETURN_YES; |
… | |
… | |
4088 | |
4239 | |
4089 | void |
4240 | void |
4090 | broadcast (SV *self) |
4241 | broadcast (SV *self) |
4091 | CODE: |
4242 | CODE: |
4092 | { |
4243 | { |
4093 | AV *av = (AV *)SvRV (self); |
4244 | AV *av = (AV *)SvRV (self); |
4094 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4245 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4095 | } |
4246 | } |
4096 | |
4247 | |
4097 | void |
4248 | void |
4098 | send (SV *self) |
4249 | send (SV *self) |
… | |
… | |
4106 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4257 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4107 | } |
4258 | } |
4108 | |
4259 | |
4109 | IV |
4260 | IV |
4110 | awaited (SV *self) |
4261 | awaited (SV *self) |
4111 | CODE: |
4262 | CODE: |
4112 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4263 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4113 | OUTPUT: |
4264 | OUTPUT: |
4114 | RETVAL |
4265 | RETVAL |
4115 | |
4266 | |
4116 | |
4267 | |
… | |
… | |
4121 | |
4272 | |
4122 | void |
4273 | void |
4123 | _schedule (...) |
4274 | _schedule (...) |
4124 | CODE: |
4275 | CODE: |
4125 | { |
4276 | { |
4126 | static int incede; |
4277 | static int incede; |
4127 | |
4278 | |
4128 | api_cede_notself (aTHX); |
4279 | api_cede_notself (aTHX); |
4129 | |
4280 | |
4130 | ++incede; |
4281 | ++incede; |
4131 | while (coro_nready >= incede && api_cede (aTHX)) |
4282 | while (coro_nready >= incede && api_cede (aTHX)) |