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12 | #include "perl.h" |
12 | #include "perl.h" |
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" |
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17 | #include "ecb.h" |
17 | |
18 | |
18 | #include <stddef.h> |
19 | #include <stddef.h> |
19 | #include <stdio.h> |
20 | #include <stdio.h> |
20 | #include <errno.h> |
21 | #include <errno.h> |
21 | #include <assert.h> |
22 | #include <assert.h> |
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87 | # define STACKLEVEL ((void *)&stacklevel) |
88 | # define STACKLEVEL ((void *)&stacklevel) |
88 | #endif |
89 | #endif |
89 | |
90 | |
90 | #define IN_DESTRUCT PL_dirty |
91 | #define IN_DESTRUCT PL_dirty |
91 | |
92 | |
92 | #if __GNUC__ >= 3 |
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93 | # define attribute(x) __attribute__(x) |
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94 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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95 | # define INLINE static inline |
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96 | #else |
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97 | # define attribute(x) |
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98 | # define expect(expr,value) (expr) |
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99 | # define INLINE static |
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100 | #endif |
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101 | |
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102 | #define expect_false(expr) expect ((expr) != 0, 0) |
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103 | #define expect_true(expr) expect ((expr) != 0, 1) |
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104 | |
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105 | #define NOINLINE attribute ((noinline)) |
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106 | |
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107 | #include "CoroAPI.h" |
93 | #include "CoroAPI.h" |
108 | #define GCoroAPI (&coroapi) /* very sneaky */ |
94 | #define GCoroAPI (&coroapi) /* very sneaky */ |
109 | |
95 | |
110 | #ifdef USE_ITHREADS |
96 | #ifdef USE_ITHREADS |
111 | # if CORO_PTHREAD |
97 | # if CORO_PTHREAD |
112 | static void *coro_thx; |
98 | static void *coro_thx; |
113 | # endif |
99 | # endif |
114 | #endif |
100 | #endif |
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101 | |
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102 | /* used in state.h */ |
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103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
115 | |
104 | |
116 | #ifdef __linux |
105 | #ifdef __linux |
117 | # include <time.h> /* for timespec */ |
106 | # include <time.h> /* for timespec */ |
118 | # include <syscall.h> /* for SYS_* */ |
107 | # include <syscall.h> /* for SYS_* */ |
119 | # ifdef SYS_clock_gettime |
108 | # ifdef SYS_clock_gettime |
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218 | }; |
207 | }; |
219 | |
208 | |
220 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
221 | typedef struct |
210 | typedef struct |
222 | { |
211 | { |
223 | SV *defsv; |
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224 | AV *defav; |
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225 | SV *errsv; |
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226 | SV *irsgv; |
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227 | HV *hinthv; |
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228 | #define VAR(name,type) type name; |
212 | #define VARx(name,expr,type) type name; |
229 | # include "state.h" |
213 | # include "state.h" |
230 | #undef VAR |
214 | #undef VARx |
231 | } perl_slots; |
215 | } perl_slots; |
232 | |
216 | |
233 | // how many context stack entries do we need for perl_slots |
217 | // how many context stack entries do we need for perl_slots |
234 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
235 | |
219 | |
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304 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
288 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
305 | static CV *cv_coro_run; |
289 | static CV *cv_coro_run; |
306 | static struct coro *coro_first; |
290 | static struct coro *coro_first; |
307 | #define coro_nready coroapi.nready |
291 | #define coro_nready coroapi.nready |
308 | |
292 | |
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293 | /** JIT *********************************************************************/ |
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294 | |
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295 | #if CORO_JIT |
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296 | #ifndef CORO_JIT_TYPE |
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297 | #if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
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298 | #define CORO_JIT_TYPE "amd64-unix" |
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299 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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300 | #elif __i386 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
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301 | #define CORO_JIT_TYPE "x86-unix" |
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302 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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303 | #else |
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304 | x x x x |
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305 | #undef CORO_JIT |
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306 | #endif |
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307 | #endif |
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308 | #endif |
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309 | |
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310 | #if CORO_JIT |
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311 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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312 | #endif |
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313 | |
309 | /** Coro::Select ************************************************************/ |
314 | /** Coro::Select ************************************************************/ |
310 | |
315 | |
311 | static OP *(*coro_old_pp_sselect) (pTHX); |
316 | static OP *(*coro_old_pp_sselect) (pTHX); |
312 | static SV *coro_select_select; |
317 | static SV *coro_select_select; |
313 | |
318 | |
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328 | |
333 | |
329 | /** time stuff **************************************************************/ |
334 | /** time stuff **************************************************************/ |
330 | |
335 | |
331 | #ifdef HAS_GETTIMEOFDAY |
336 | #ifdef HAS_GETTIMEOFDAY |
332 | |
337 | |
333 | static void |
338 | ECB_INLINE void |
334 | coro_u2time (pTHX_ UV ret[2]) |
339 | coro_u2time (pTHX_ UV ret[2]) |
335 | { |
340 | { |
336 | struct timeval tv; |
341 | struct timeval tv; |
337 | gettimeofday (&tv, 0); |
342 | gettimeofday (&tv, 0); |
338 | |
343 | |
339 | ret [0] = tv.tv_sec; |
344 | ret [0] = tv.tv_sec; |
340 | ret [1] = tv.tv_usec; |
345 | ret [1] = tv.tv_usec; |
341 | } |
346 | } |
342 | |
347 | |
343 | static double |
348 | ECB_INLINE double |
344 | coro_nvtime () |
349 | coro_nvtime () |
345 | { |
350 | { |
346 | struct timeval tv; |
351 | struct timeval tv; |
347 | gettimeofday (&tv, 0); |
352 | gettimeofday (&tv, 0); |
348 | |
353 | |
349 | return tv.tv_sec + tv.tv_usec * 1e-6; |
354 | return tv.tv_sec + tv.tv_usec * 1e-6; |
350 | } |
355 | } |
351 | |
356 | |
352 | static void |
357 | ECB_INLINE void |
353 | time_init (pTHX) |
358 | time_init (pTHX) |
354 | { |
359 | { |
355 | nvtime = coro_nvtime; |
360 | nvtime = coro_nvtime; |
356 | u2time = coro_u2time; |
361 | u2time = coro_u2time; |
357 | } |
362 | } |
358 | |
363 | |
359 | #else |
364 | #else |
360 | |
365 | |
361 | static void |
366 | ECB_INLINE void |
362 | time_init (pTHX) |
367 | time_init (pTHX) |
363 | { |
368 | { |
364 | SV **svp; |
369 | SV **svp; |
365 | |
370 | |
366 | require_pv ("Time/HiRes.pm"); |
371 | require_pv ("Time/HiRes.pm"); |
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378 | |
383 | |
379 | #endif |
384 | #endif |
380 | |
385 | |
381 | /** lowlevel stuff **********************************************************/ |
386 | /** lowlevel stuff **********************************************************/ |
382 | |
387 | |
383 | static SV * |
388 | static SV * ecb_noinline |
384 | coro_get_sv (pTHX_ const char *name, int create) |
389 | coro_get_sv (pTHX_ const char *name, int create) |
385 | { |
390 | { |
386 | #if PERL_VERSION_ATLEAST (5,10,0) |
391 | #if PERL_VERSION_ATLEAST (5,10,0) |
387 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
392 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
388 | get_sv (name, create); |
393 | get_sv (name, create); |
389 | #endif |
394 | #endif |
390 | return get_sv (name, create); |
395 | return get_sv (name, create); |
391 | } |
396 | } |
392 | |
397 | |
393 | static AV * |
398 | static AV * ecb_noinline |
394 | coro_get_av (pTHX_ const char *name, int create) |
399 | coro_get_av (pTHX_ const char *name, int create) |
395 | { |
400 | { |
396 | #if PERL_VERSION_ATLEAST (5,10,0) |
401 | #if PERL_VERSION_ATLEAST (5,10,0) |
397 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
402 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
398 | get_av (name, create); |
403 | get_av (name, create); |
399 | #endif |
404 | #endif |
400 | return get_av (name, create); |
405 | return get_av (name, create); |
401 | } |
406 | } |
402 | |
407 | |
403 | static HV * |
408 | static HV * ecb_noinline |
404 | coro_get_hv (pTHX_ const char *name, int create) |
409 | coro_get_hv (pTHX_ const char *name, int create) |
405 | { |
410 | { |
406 | #if PERL_VERSION_ATLEAST (5,10,0) |
411 | #if PERL_VERSION_ATLEAST (5,10,0) |
407 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
412 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
408 | get_hv (name, create); |
413 | get_hv (name, create); |
409 | #endif |
414 | #endif |
410 | return get_hv (name, create); |
415 | return get_hv (name, create); |
411 | } |
416 | } |
412 | |
417 | |
413 | INLINE void |
418 | ECB_INLINE void |
414 | coro_times_update () |
419 | coro_times_update () |
415 | { |
420 | { |
416 | #ifdef coro_clock_gettime |
421 | #ifdef coro_clock_gettime |
417 | struct timespec ts; |
422 | struct timespec ts; |
418 | |
423 | |
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431 | time_real [0] = tv [0]; |
436 | time_real [0] = tv [0]; |
432 | time_real [1] = tv [1] * 1000; |
437 | time_real [1] = tv [1] * 1000; |
433 | #endif |
438 | #endif |
434 | } |
439 | } |
435 | |
440 | |
436 | INLINE void |
441 | ECB_INLINE void |
437 | coro_times_add (struct coro *c) |
442 | coro_times_add (struct coro *c) |
438 | { |
443 | { |
439 | c->t_real [1] += time_real [1]; |
444 | c->t_real [1] += time_real [1]; |
440 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
445 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
441 | c->t_real [0] += time_real [0]; |
446 | c->t_real [0] += time_real [0]; |
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443 | c->t_cpu [1] += time_cpu [1]; |
448 | c->t_cpu [1] += time_cpu [1]; |
444 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
449 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
445 | c->t_cpu [0] += time_cpu [0]; |
450 | c->t_cpu [0] += time_cpu [0]; |
446 | } |
451 | } |
447 | |
452 | |
448 | INLINE void |
453 | ECB_INLINE void |
449 | coro_times_sub (struct coro *c) |
454 | coro_times_sub (struct coro *c) |
450 | { |
455 | { |
451 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
456 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
452 | c->t_real [1] -= time_real [1]; |
457 | c->t_real [1] -= time_real [1]; |
453 | c->t_real [0] -= time_real [0]; |
458 | c->t_real [0] -= time_real [0]; |
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461 | /* magic glue */ |
466 | /* magic glue */ |
462 | |
467 | |
463 | #define CORO_MAGIC_type_cv 26 |
468 | #define CORO_MAGIC_type_cv 26 |
464 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
469 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
465 | |
470 | |
466 | #define CORO_MAGIC_NN(sv, type) \ |
471 | #define CORO_MAGIC_NN(sv, type) \ |
467 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
472 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
468 | ? SvMAGIC (sv) \ |
473 | ? SvMAGIC (sv) \ |
469 | : mg_find (sv, type)) |
474 | : mg_find (sv, type)) |
470 | |
475 | |
471 | #define CORO_MAGIC(sv, type) \ |
476 | #define CORO_MAGIC(sv, type) \ |
472 | (expect_true (SvMAGIC (sv)) \ |
477 | (ecb_expect_true (SvMAGIC (sv)) \ |
473 | ? CORO_MAGIC_NN (sv, type) \ |
478 | ? CORO_MAGIC_NN (sv, type) \ |
474 | : 0) |
479 | : 0) |
475 | |
480 | |
476 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
481 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
477 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
482 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
478 | |
483 | |
479 | INLINE MAGIC * |
484 | ECB_INLINE MAGIC * |
480 | SvSTATEhv_p (pTHX_ SV *coro) |
485 | SvSTATEhv_p (pTHX_ SV *coro) |
481 | { |
486 | { |
482 | MAGIC *mg; |
487 | MAGIC *mg; |
483 | |
488 | |
484 | if (expect_true ( |
489 | if (ecb_expect_true ( |
485 | SvTYPE (coro) == SVt_PVHV |
490 | SvTYPE (coro) == SVt_PVHV |
486 | && (mg = CORO_MAGIC_state (coro)) |
491 | && (mg = CORO_MAGIC_state (coro)) |
487 | && mg->mg_virtual == &coro_state_vtbl |
492 | && mg->mg_virtual == &coro_state_vtbl |
488 | )) |
493 | )) |
489 | return mg; |
494 | return mg; |
490 | |
495 | |
491 | return 0; |
496 | return 0; |
492 | } |
497 | } |
493 | |
498 | |
494 | INLINE struct coro * |
499 | ECB_INLINE struct coro * |
495 | SvSTATE_ (pTHX_ SV *coro) |
500 | SvSTATE_ (pTHX_ SV *coro) |
496 | { |
501 | { |
497 | MAGIC *mg; |
502 | MAGIC *mg; |
498 | |
503 | |
499 | if (SvROK (coro)) |
504 | if (SvROK (coro)) |
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513 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
518 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
514 | |
519 | |
515 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
516 | /* padlist management and caching */ |
521 | /* padlist management and caching */ |
517 | |
522 | |
518 | static AV * |
523 | ECB_INLINE AV * |
519 | coro_derive_padlist (pTHX_ CV *cv) |
524 | coro_derive_padlist (pTHX_ CV *cv) |
520 | { |
525 | { |
521 | AV *padlist = CvPADLIST (cv); |
526 | AV *padlist = CvPADLIST (cv); |
522 | AV *newpadlist, *newpad; |
527 | AV *newpadlist, *newpad; |
523 | |
528 | |
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535 | av_store (newpadlist, 1, (SV *)newpad); |
540 | av_store (newpadlist, 1, (SV *)newpad); |
536 | |
541 | |
537 | return newpadlist; |
542 | return newpadlist; |
538 | } |
543 | } |
539 | |
544 | |
540 | static void |
545 | ECB_INLINE void |
541 | free_padlist (pTHX_ AV *padlist) |
546 | free_padlist (pTHX_ AV *padlist) |
542 | { |
547 | { |
543 | /* may be during global destruction */ |
548 | /* may be during global destruction */ |
544 | if (!IN_DESTRUCT) |
549 | if (!IN_DESTRUCT) |
545 | { |
550 | { |
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588 | 0, 0, 0, 0, |
593 | 0, 0, 0, 0, |
589 | coro_cv_free |
594 | coro_cv_free |
590 | }; |
595 | }; |
591 | |
596 | |
592 | /* the next two functions merely cache the padlists */ |
597 | /* the next two functions merely cache the padlists */ |
593 | static void |
598 | ECB_INLINE void |
594 | get_padlist (pTHX_ CV *cv) |
599 | get_padlist (pTHX_ CV *cv) |
595 | { |
600 | { |
596 | MAGIC *mg = CORO_MAGIC_cv (cv); |
601 | MAGIC *mg = CORO_MAGIC_cv (cv); |
597 | AV *av; |
602 | AV *av; |
598 | |
603 | |
599 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
604 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
600 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
605 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
601 | else |
606 | else |
602 | { |
607 | { |
603 | #if CORO_PREFER_PERL_FUNCTIONS |
608 | #if CORO_PREFER_PERL_FUNCTIONS |
604 | /* this is probably cleaner? but also slower! */ |
609 | /* this is probably cleaner? but also slower! */ |
… | |
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611 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
616 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
612 | #endif |
617 | #endif |
613 | } |
618 | } |
614 | } |
619 | } |
615 | |
620 | |
616 | static void |
621 | ECB_INLINE void |
617 | put_padlist (pTHX_ CV *cv) |
622 | put_padlist (pTHX_ CV *cv) |
618 | { |
623 | { |
619 | MAGIC *mg = CORO_MAGIC_cv (cv); |
624 | MAGIC *mg = CORO_MAGIC_cv (cv); |
620 | AV *av; |
625 | AV *av; |
621 | |
626 | |
622 | if (expect_false (!mg)) |
627 | if (ecb_expect_false (!mg)) |
623 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
628 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
624 | |
629 | |
625 | av = (AV *)mg->mg_obj; |
630 | av = (AV *)mg->mg_obj; |
626 | |
631 | |
627 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
632 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
628 | av_extend (av, AvFILLp (av) + 1); |
633 | av_extend (av, AvFILLp (av) + 1); |
629 | |
634 | |
630 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
635 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
631 | } |
636 | } |
632 | |
637 | |
… | |
… | |
677 | } |
682 | } |
678 | #endif |
683 | #endif |
679 | } |
684 | } |
680 | } |
685 | } |
681 | |
686 | |
682 | #define SWAP_SVS(coro) \ |
687 | #define SWAP_SVS(coro) \ |
683 | if (expect_false ((coro)->swap_sv)) \ |
688 | if (ecb_expect_false ((coro)->swap_sv)) \ |
684 | swap_svs (aTHX_ (coro)) |
689 | swap_svs (aTHX_ (coro)) |
685 | |
690 | |
686 | static void |
691 | static void |
687 | on_enterleave_call (pTHX_ SV *cb); |
692 | on_enterleave_call (pTHX_ SV *cb); |
688 | |
693 | |
… | |
… | |
692 | perl_slots *slot = c->slot; |
697 | perl_slots *slot = c->slot; |
693 | c->slot = 0; |
698 | c->slot = 0; |
694 | |
699 | |
695 | PL_mainstack = c->mainstack; |
700 | PL_mainstack = c->mainstack; |
696 | |
701 | |
697 | GvSV (PL_defgv) = slot->defsv; |
702 | #if CORO_JIT |
698 | GvAV (PL_defgv) = slot->defav; |
703 | load_perl_slots (slot); |
699 | GvSV (PL_errgv) = slot->errsv; |
704 | #else |
700 | GvSV (irsgv) = slot->irsgv; |
|
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701 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
702 | |
|
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703 | #define VAR(name,type) PL_ ## name = slot->name; |
705 | #define VARx(name,expr,type) expr = slot->name; |
704 | # include "state.h" |
706 | # include "state.h" |
705 | #undef VAR |
707 | #undef VARx |
|
|
708 | #endif |
706 | |
709 | |
707 | { |
710 | { |
708 | dSP; |
711 | dSP; |
709 | |
712 | |
710 | CV *cv; |
713 | CV *cv; |
711 | |
714 | |
712 | /* now do the ugly restore mess */ |
715 | /* now do the ugly restore mess */ |
713 | while (expect_true (cv = (CV *)POPs)) |
716 | while (ecb_expect_true (cv = (CV *)POPs)) |
714 | { |
717 | { |
715 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
718 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
716 | CvDEPTH (cv) = PTR2IV (POPs); |
719 | CvDEPTH (cv) = PTR2IV (POPs); |
717 | CvPADLIST (cv) = (AV *)POPs; |
720 | CvPADLIST (cv) = (AV *)POPs; |
718 | } |
721 | } |
… | |
… | |
721 | } |
724 | } |
722 | |
725 | |
723 | slf_frame = c->slf_frame; |
726 | slf_frame = c->slf_frame; |
724 | CORO_THROW = c->except; |
727 | CORO_THROW = c->except; |
725 | |
728 | |
726 | if (expect_false (enable_times)) |
729 | if (ecb_expect_false (enable_times)) |
727 | { |
730 | { |
728 | if (expect_false (!times_valid)) |
731 | if (ecb_expect_false (!times_valid)) |
729 | coro_times_update (); |
732 | coro_times_update (); |
730 | |
733 | |
731 | coro_times_sub (c); |
734 | coro_times_sub (c); |
732 | } |
735 | } |
733 | |
736 | |
734 | if (expect_false (c->on_enter)) |
737 | if (ecb_expect_false (c->on_enter)) |
735 | { |
738 | { |
736 | int i; |
739 | int i; |
737 | |
740 | |
738 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
741 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
739 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
742 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
745 | static void |
748 | static void |
746 | save_perl (pTHX_ Coro__State c) |
749 | save_perl (pTHX_ Coro__State c) |
747 | { |
750 | { |
748 | SWAP_SVS (c); |
751 | SWAP_SVS (c); |
749 | |
752 | |
750 | if (expect_false (c->on_leave)) |
753 | if (ecb_expect_false (c->on_leave)) |
751 | { |
754 | { |
752 | int i; |
755 | int i; |
753 | |
756 | |
754 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
757 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
755 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
758 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
756 | } |
759 | } |
757 | |
760 | |
758 | times_valid = 0; |
761 | times_valid = 0; |
759 | |
762 | |
760 | if (expect_false (enable_times)) |
763 | if (ecb_expect_false (enable_times)) |
761 | { |
764 | { |
762 | coro_times_update (); times_valid = 1; |
765 | coro_times_update (); times_valid = 1; |
763 | coro_times_add (c); |
766 | coro_times_add (c); |
764 | } |
767 | } |
765 | |
768 | |
… | |
… | |
779 | |
782 | |
780 | XPUSHs (Nullsv); |
783 | XPUSHs (Nullsv); |
781 | /* this loop was inspired by pp_caller */ |
784 | /* this loop was inspired by pp_caller */ |
782 | for (;;) |
785 | for (;;) |
783 | { |
786 | { |
784 | while (expect_true (cxix >= 0)) |
787 | while (ecb_expect_true (cxix >= 0)) |
785 | { |
788 | { |
786 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
789 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
787 | |
790 | |
788 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
791 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
789 | { |
792 | { |
790 | CV *cv = cx->blk_sub.cv; |
793 | CV *cv = cx->blk_sub.cv; |
791 | |
794 | |
792 | if (expect_true (CvDEPTH (cv))) |
795 | if (ecb_expect_true (CvDEPTH (cv))) |
793 | { |
796 | { |
794 | EXTEND (SP, 3); |
797 | EXTEND (SP, 3); |
795 | PUSHs ((SV *)CvPADLIST (cv)); |
798 | PUSHs ((SV *)CvPADLIST (cv)); |
796 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
799 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
797 | PUSHs ((SV *)cv); |
800 | PUSHs ((SV *)cv); |
… | |
… | |
800 | get_padlist (aTHX_ cv); |
803 | get_padlist (aTHX_ cv); |
801 | } |
804 | } |
802 | } |
805 | } |
803 | } |
806 | } |
804 | |
807 | |
805 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
808 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
806 | break; |
809 | break; |
807 | |
810 | |
808 | top_si = top_si->si_prev; |
811 | top_si = top_si->si_prev; |
809 | ccstk = top_si->si_cxstack; |
812 | ccstk = top_si->si_cxstack; |
810 | cxix = top_si->si_cxix; |
813 | cxix = top_si->si_cxix; |
… | |
… | |
812 | |
815 | |
813 | PUTBACK; |
816 | PUTBACK; |
814 | } |
817 | } |
815 | |
818 | |
816 | /* allocate some space on the context stack for our purposes */ |
819 | /* allocate some space on the context stack for our purposes */ |
817 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
820 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
818 | { |
821 | { |
819 | unsigned int i; |
822 | unsigned int i; |
820 | |
823 | |
821 | for (i = 0; i < SLOT_COUNT; ++i) |
824 | for (i = 0; i < SLOT_COUNT; ++i) |
822 | CXINC; |
825 | CXINC; |
… | |
… | |
827 | c->mainstack = PL_mainstack; |
830 | c->mainstack = PL_mainstack; |
828 | |
831 | |
829 | { |
832 | { |
830 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
833 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
831 | |
834 | |
832 | slot->defav = GvAV (PL_defgv); |
835 | #if CORO_JIT |
833 | slot->defsv = DEFSV; |
836 | save_perl_slots (slot); |
834 | slot->errsv = ERRSV; |
837 | #else |
835 | slot->irsgv = GvSV (irsgv); |
|
|
836 | slot->hinthv = GvHV (PL_hintgv); |
|
|
837 | |
|
|
838 | #define VAR(name,type) slot->name = PL_ ## name; |
838 | #define VARx(name,expr,type) slot->name = expr; |
839 | # include "state.h" |
839 | # include "state.h" |
840 | #undef VAR |
840 | #undef VARx |
|
|
841 | #endif |
841 | } |
842 | } |
842 | } |
843 | } |
843 | |
844 | |
844 | /* |
845 | /* |
845 | * allocate various perl stacks. This is almost an exact copy |
846 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
971 | * This overrides the default magic get method of %SIG elements. |
972 | * This overrides the default magic get method of %SIG elements. |
972 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
973 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
973 | * and instead of trying to save and restore the hash elements (extremely slow), |
974 | * and instead of trying to save and restore the hash elements (extremely slow), |
974 | * we just provide our own readback here. |
975 | * we just provide our own readback here. |
975 | */ |
976 | */ |
976 | static int |
977 | static int ecb_cold |
977 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
978 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
978 | { |
979 | { |
979 | const char *s = MgPV_nolen_const (mg); |
980 | const char *s = MgPV_nolen_const (mg); |
980 | |
981 | |
981 | if (*s == '_') |
982 | if (*s == '_') |
… | |
… | |
993 | } |
994 | } |
994 | |
995 | |
995 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
996 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
996 | } |
997 | } |
997 | |
998 | |
998 | static int |
999 | static int ecb_cold |
999 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1000 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1000 | { |
1001 | { |
1001 | const char *s = MgPV_nolen_const (mg); |
1002 | const char *s = MgPV_nolen_const (mg); |
1002 | |
1003 | |
1003 | if (*s == '_') |
1004 | if (*s == '_') |
… | |
… | |
1017 | } |
1018 | } |
1018 | |
1019 | |
1019 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1020 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1020 | } |
1021 | } |
1021 | |
1022 | |
1022 | static int |
1023 | static int ecb_cold |
1023 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1024 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1024 | { |
1025 | { |
1025 | const char *s = MgPV_nolen_const (mg); |
1026 | const char *s = MgPV_nolen_const (mg); |
1026 | |
1027 | |
1027 | if (*s == '_') |
1028 | if (*s == '_') |
… | |
… | |
1062 | return 1; |
1063 | return 1; |
1063 | } |
1064 | } |
1064 | |
1065 | |
1065 | static UNOP init_perl_op; |
1066 | static UNOP init_perl_op; |
1066 | |
1067 | |
1067 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1068 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1068 | init_perl (pTHX_ struct coro *coro) |
1069 | init_perl (pTHX_ struct coro *coro) |
1069 | { |
1070 | { |
1070 | /* |
1071 | /* |
1071 | * emulate part of the perl startup here. |
1072 | * emulate part of the perl startup here. |
1072 | */ |
1073 | */ |
… | |
… | |
1134 | /* copy throw, in case it was set before init_perl */ |
1135 | /* copy throw, in case it was set before init_perl */ |
1135 | CORO_THROW = coro->except; |
1136 | CORO_THROW = coro->except; |
1136 | |
1137 | |
1137 | SWAP_SVS (coro); |
1138 | SWAP_SVS (coro); |
1138 | |
1139 | |
1139 | if (expect_false (enable_times)) |
1140 | if (ecb_expect_false (enable_times)) |
1140 | { |
1141 | { |
1141 | coro_times_update (); |
1142 | coro_times_update (); |
1142 | coro_times_sub (coro); |
1143 | coro_times_sub (coro); |
1143 | } |
1144 | } |
1144 | } |
1145 | } |
… | |
… | |
1217 | SvREFCNT_dec (coro->invoke_cb); |
1218 | SvREFCNT_dec (coro->invoke_cb); |
1218 | SvREFCNT_dec (coro->invoke_av); |
1219 | SvREFCNT_dec (coro->invoke_av); |
1219 | } |
1220 | } |
1220 | } |
1221 | } |
1221 | |
1222 | |
1222 | INLINE void |
1223 | ECB_INLINE void |
1223 | free_coro_mortal (pTHX) |
1224 | free_coro_mortal (pTHX) |
1224 | { |
1225 | { |
1225 | if (expect_true (coro_mortal)) |
1226 | if (ecb_expect_true (coro_mortal)) |
1226 | { |
1227 | { |
1227 | SvREFCNT_dec ((SV *)coro_mortal); |
1228 | SvREFCNT_dec ((SV *)coro_mortal); |
1228 | coro_mortal = 0; |
1229 | coro_mortal = 0; |
1229 | } |
1230 | } |
1230 | } |
1231 | } |
… | |
… | |
1365 | |
1366 | |
1366 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1367 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1367 | } |
1368 | } |
1368 | |
1369 | |
1369 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1370 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1370 | static void NOINLINE |
1371 | static void ecb_noinline |
1371 | cctx_prepare (pTHX) |
1372 | cctx_prepare (pTHX) |
1372 | { |
1373 | { |
1373 | PL_top_env = &PL_start_env; |
1374 | PL_top_env = &PL_start_env; |
1374 | |
1375 | |
1375 | if (cctx_current->flags & CC_TRACE) |
1376 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1386 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1387 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1387 | slf_frame.check = slf_check_set_stacklevel; |
1388 | slf_frame.check = slf_check_set_stacklevel; |
1388 | } |
1389 | } |
1389 | |
1390 | |
1390 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1391 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1391 | INLINE void |
1392 | ECB_INLINE void |
1392 | transfer_tail (pTHX) |
1393 | transfer_tail (pTHX) |
1393 | { |
1394 | { |
1394 | free_coro_mortal (aTHX); |
1395 | free_coro_mortal (aTHX); |
1395 | } |
1396 | } |
1396 | |
1397 | |
… | |
… | |
1548 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1549 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1549 | |
1550 | |
1550 | static coro_cctx * |
1551 | static coro_cctx * |
1551 | cctx_get (pTHX) |
1552 | cctx_get (pTHX) |
1552 | { |
1553 | { |
1553 | while (expect_true (cctx_first)) |
1554 | while (ecb_expect_true (cctx_first)) |
1554 | { |
1555 | { |
1555 | coro_cctx *cctx = cctx_first; |
1556 | coro_cctx *cctx = cctx_first; |
1556 | cctx_first = cctx->next; |
1557 | cctx_first = cctx->next; |
1557 | --cctx_idle; |
1558 | --cctx_idle; |
1558 | |
1559 | |
1559 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1560 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1560 | return cctx; |
1561 | return cctx; |
1561 | |
1562 | |
1562 | cctx_destroy (cctx); |
1563 | cctx_destroy (cctx); |
1563 | } |
1564 | } |
1564 | |
1565 | |
… | |
… | |
1569 | cctx_put (coro_cctx *cctx) |
1570 | cctx_put (coro_cctx *cctx) |
1570 | { |
1571 | { |
1571 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1572 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1572 | |
1573 | |
1573 | /* free another cctx if overlimit */ |
1574 | /* free another cctx if overlimit */ |
1574 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1575 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1575 | { |
1576 | { |
1576 | coro_cctx *first = cctx_first; |
1577 | coro_cctx *first = cctx_first; |
1577 | cctx_first = first->next; |
1578 | cctx_first = first->next; |
1578 | --cctx_idle; |
1579 | --cctx_idle; |
1579 | |
1580 | |
… | |
… | |
1590 | static void |
1591 | static void |
1591 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1592 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1592 | { |
1593 | { |
1593 | /* TODO: throwing up here is considered harmful */ |
1594 | /* TODO: throwing up here is considered harmful */ |
1594 | |
1595 | |
1595 | if (expect_true (prev != next)) |
1596 | if (ecb_expect_true (prev != next)) |
1596 | { |
1597 | { |
1597 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1598 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1598 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1599 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1599 | |
1600 | |
1600 | if (expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1601 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1601 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1602 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1602 | |
1603 | |
1603 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1604 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1604 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1605 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1605 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1606 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1606 | #endif |
1607 | #endif |
1607 | } |
1608 | } |
1608 | } |
1609 | } |
1609 | |
1610 | |
1610 | /* always use the TRANSFER macro */ |
1611 | /* always use the TRANSFER macro */ |
1611 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1612 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1612 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1613 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1613 | { |
1614 | { |
1614 | dSTACKLEVEL; |
1615 | dSTACKLEVEL; |
1615 | |
1616 | |
1616 | /* sometimes transfer is only called to set idle_sp */ |
1617 | /* sometimes transfer is only called to set idle_sp */ |
1617 | if (expect_false (!prev)) |
1618 | if (ecb_expect_false (!prev)) |
1618 | { |
1619 | { |
1619 | cctx_current->idle_sp = STACKLEVEL; |
1620 | cctx_current->idle_sp = STACKLEVEL; |
1620 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1621 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1621 | } |
1622 | } |
1622 | else if (expect_true (prev != next)) |
1623 | else if (ecb_expect_true (prev != next)) |
1623 | { |
1624 | { |
1624 | coro_cctx *cctx_prev; |
1625 | coro_cctx *cctx_prev; |
1625 | |
1626 | |
1626 | if (expect_false (prev->flags & CF_NEW)) |
1627 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1627 | { |
1628 | { |
1628 | /* create a new empty/source context */ |
1629 | /* create a new empty/source context */ |
1629 | prev->flags &= ~CF_NEW; |
1630 | prev->flags &= ~CF_NEW; |
1630 | prev->flags |= CF_RUNNING; |
1631 | prev->flags |= CF_RUNNING; |
1631 | } |
1632 | } |
… | |
… | |
1634 | next->flags |= CF_RUNNING; |
1635 | next->flags |= CF_RUNNING; |
1635 | |
1636 | |
1636 | /* first get rid of the old state */ |
1637 | /* first get rid of the old state */ |
1637 | save_perl (aTHX_ prev); |
1638 | save_perl (aTHX_ prev); |
1638 | |
1639 | |
1639 | if (expect_false (next->flags & CF_NEW)) |
1640 | if (ecb_expect_false (next->flags & CF_NEW)) |
1640 | { |
1641 | { |
1641 | /* need to start coroutine */ |
1642 | /* need to start coroutine */ |
1642 | next->flags &= ~CF_NEW; |
1643 | next->flags &= ~CF_NEW; |
1643 | /* setup coroutine call */ |
1644 | /* setup coroutine call */ |
1644 | init_perl (aTHX_ next); |
1645 | init_perl (aTHX_ next); |
1645 | } |
1646 | } |
1646 | else |
1647 | else |
1647 | load_perl (aTHX_ next); |
1648 | load_perl (aTHX_ next); |
1648 | |
1649 | |
1649 | /* possibly untie and reuse the cctx */ |
1650 | /* possibly untie and reuse the cctx */ |
1650 | if (expect_true ( |
1651 | if (ecb_expect_true ( |
1651 | cctx_current->idle_sp == STACKLEVEL |
1652 | cctx_current->idle_sp == STACKLEVEL |
1652 | && !(cctx_current->flags & CC_TRACE) |
1653 | && !(cctx_current->flags & CC_TRACE) |
1653 | && !force_cctx |
1654 | && !force_cctx |
1654 | )) |
1655 | )) |
1655 | { |
1656 | { |
1656 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1657 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1657 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1658 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1658 | |
1659 | |
1659 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1660 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1660 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1661 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1661 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1662 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1662 | if (expect_true (!next->cctx)) |
1663 | if (ecb_expect_true (!next->cctx)) |
1663 | next->cctx = cctx_get (aTHX); |
1664 | next->cctx = cctx_get (aTHX); |
1664 | |
1665 | |
1665 | cctx_put (cctx_current); |
1666 | cctx_put (cctx_current); |
1666 | } |
1667 | } |
1667 | else |
1668 | else |
1668 | prev->cctx = cctx_current; |
1669 | prev->cctx = cctx_current; |
1669 | |
1670 | |
1670 | ++next->usecount; |
1671 | ++next->usecount; |
1671 | |
1672 | |
1672 | cctx_prev = cctx_current; |
1673 | cctx_prev = cctx_current; |
1673 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1674 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1674 | |
1675 | |
1675 | next->cctx = 0; |
1676 | next->cctx = 0; |
1676 | |
1677 | |
1677 | if (expect_false (cctx_prev != cctx_current)) |
1678 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1678 | { |
1679 | { |
1679 | cctx_prev->top_env = PL_top_env; |
1680 | cctx_prev->top_env = PL_top_env; |
1680 | PL_top_env = cctx_current->top_env; |
1681 | PL_top_env = cctx_current->top_env; |
1681 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1682 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1682 | } |
1683 | } |
… | |
… | |
1748 | Safefree (coro); |
1749 | Safefree (coro); |
1749 | |
1750 | |
1750 | return 0; |
1751 | return 0; |
1751 | } |
1752 | } |
1752 | |
1753 | |
1753 | static int |
1754 | static int ecb_cold |
1754 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1755 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1755 | { |
1756 | { |
1756 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1757 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1757 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1758 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1758 | mg->mg_ptr = 0; |
1759 | mg->mg_ptr = 0; |
… | |
… | |
1789 | TRANSFER (ta, 1); |
1790 | TRANSFER (ta, 1); |
1790 | } |
1791 | } |
1791 | |
1792 | |
1792 | /** Coro ********************************************************************/ |
1793 | /** Coro ********************************************************************/ |
1793 | |
1794 | |
1794 | INLINE void |
1795 | ECB_INLINE void |
1795 | coro_enq (pTHX_ struct coro *coro) |
1796 | coro_enq (pTHX_ struct coro *coro) |
1796 | { |
1797 | { |
1797 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1798 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1798 | |
1799 | |
1799 | SvREFCNT_inc_NN (coro->hv); |
1800 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1801 | coro->next_ready = 0; |
1802 | coro->next_ready = 0; |
1802 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1803 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1803 | ready [1] = coro; |
1804 | ready [1] = coro; |
1804 | } |
1805 | } |
1805 | |
1806 | |
1806 | INLINE struct coro * |
1807 | ECB_INLINE struct coro * |
1807 | coro_deq (pTHX) |
1808 | coro_deq (pTHX) |
1808 | { |
1809 | { |
1809 | int prio; |
1810 | int prio; |
1810 | |
1811 | |
1811 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1812 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1864 | { |
1865 | { |
1865 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1866 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1866 | } |
1867 | } |
1867 | |
1868 | |
1868 | /* expects to own a reference to next->hv */ |
1869 | /* expects to own a reference to next->hv */ |
1869 | INLINE void |
1870 | ECB_INLINE void |
1870 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1871 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1871 | { |
1872 | { |
1872 | SV *prev_sv = SvRV (coro_current); |
1873 | SV *prev_sv = SvRV (coro_current); |
1873 | |
1874 | |
1874 | ta->prev = SvSTATE_hv (prev_sv); |
1875 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1887 | { |
1888 | { |
1888 | for (;;) |
1889 | for (;;) |
1889 | { |
1890 | { |
1890 | struct coro *next = coro_deq (aTHX); |
1891 | struct coro *next = coro_deq (aTHX); |
1891 | |
1892 | |
1892 | if (expect_true (next)) |
1893 | if (ecb_expect_true (next)) |
1893 | { |
1894 | { |
1894 | /* cannot transfer to destroyed coros, skip and look for next */ |
1895 | /* cannot transfer to destroyed coros, skip and look for next */ |
1895 | if (expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1896 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1896 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1897 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1897 | else |
1898 | else |
1898 | { |
1899 | { |
1899 | next->flags &= ~CF_READY; |
1900 | next->flags &= ~CF_READY; |
1900 | --coro_nready; |
1901 | --coro_nready; |
… | |
… | |
1933 | } |
1934 | } |
1934 | } |
1935 | } |
1935 | } |
1936 | } |
1936 | } |
1937 | } |
1937 | |
1938 | |
1938 | INLINE void |
1939 | ECB_INLINE void |
1939 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1940 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1940 | { |
1941 | { |
1941 | api_ready (aTHX_ coro_current); |
1942 | api_ready (aTHX_ coro_current); |
1942 | prepare_schedule (aTHX_ ta); |
1943 | prepare_schedule (aTHX_ ta); |
1943 | } |
1944 | } |
1944 | |
1945 | |
1945 | INLINE void |
1946 | ECB_INLINE void |
1946 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1947 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1947 | { |
1948 | { |
1948 | SV *prev = SvRV (coro_current); |
1949 | SV *prev = SvRV (coro_current); |
1949 | |
1950 | |
1950 | if (coro_nready) |
1951 | if (coro_nready) |
… | |
… | |
1980 | { |
1981 | { |
1981 | struct coro_transfer_args ta; |
1982 | struct coro_transfer_args ta; |
1982 | |
1983 | |
1983 | prepare_cede (aTHX_ &ta); |
1984 | prepare_cede (aTHX_ &ta); |
1984 | |
1985 | |
1985 | if (expect_true (ta.prev != ta.next)) |
1986 | if (ecb_expect_true (ta.prev != ta.next)) |
1986 | { |
1987 | { |
1987 | TRANSFER (ta, 1); |
1988 | TRANSFER (ta, 1); |
1988 | return 1; |
1989 | return 1; |
1989 | } |
1990 | } |
1990 | else |
1991 | else |
… | |
… | |
2203 | coro = SvSTATE (arg [0]); |
2204 | coro = SvSTATE (arg [0]); |
2204 | coro_hv = coro->hv; |
2205 | coro_hv = coro->hv; |
2205 | |
2206 | |
2206 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2207 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2207 | |
2208 | |
2208 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2209 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2209 | { |
2210 | { |
2210 | /* coro currently busy cancelling something, so just notify it */ |
2211 | /* coro currently busy cancelling something, so just notify it */ |
2211 | coro->slf_frame.data = (void *)coro; |
2212 | coro->slf_frame.data = (void *)coro; |
2212 | |
2213 | |
2213 | frame->prepare = prepare_nop; |
2214 | frame->prepare = prepare_nop; |
… | |
… | |
2321 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2322 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2322 | { |
2323 | { |
2323 | HV *hv = (HV *)SvRV (coro_current); |
2324 | HV *hv = (HV *)SvRV (coro_current); |
2324 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2325 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2325 | |
2326 | |
2326 | if (expect_true (coro->saved_deffh)) |
2327 | if (ecb_expect_true (coro->saved_deffh)) |
2327 | { |
2328 | { |
2328 | /* subsequent iteration */ |
2329 | /* subsequent iteration */ |
2329 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2330 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2330 | coro->saved_deffh = 0; |
2331 | coro->saved_deffh = 0; |
2331 | |
2332 | |
… | |
… | |
2597 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2598 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2598 | |
2599 | |
2599 | /* set up the slf frame, unless it has already been set-up */ |
2600 | /* set up the slf frame, unless it has already been set-up */ |
2600 | /* the latter happens when a new coro has been started */ |
2601 | /* the latter happens when a new coro has been started */ |
2601 | /* or when a new cctx was attached to an existing coroutine */ |
2602 | /* or when a new cctx was attached to an existing coroutine */ |
2602 | if (expect_true (!slf_frame.prepare)) |
2603 | if (ecb_expect_true (!slf_frame.prepare)) |
2603 | { |
2604 | { |
2604 | /* first iteration */ |
2605 | /* first iteration */ |
2605 | dSP; |
2606 | dSP; |
2606 | SV **arg = PL_stack_base + TOPMARK + 1; |
2607 | SV **arg = PL_stack_base + TOPMARK + 1; |
2607 | int items = SP - arg; /* args without function object */ |
2608 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2648 | while (slf_frame.check (aTHX_ &slf_frame)); |
2649 | while (slf_frame.check (aTHX_ &slf_frame)); |
2649 | |
2650 | |
2650 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2651 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2651 | |
2652 | |
2652 | /* exception handling */ |
2653 | /* exception handling */ |
2653 | if (expect_false (CORO_THROW)) |
2654 | if (ecb_expect_false (CORO_THROW)) |
2654 | { |
2655 | { |
2655 | SV *exception = sv_2mortal (CORO_THROW); |
2656 | SV *exception = sv_2mortal (CORO_THROW); |
2656 | |
2657 | |
2657 | CORO_THROW = 0; |
2658 | CORO_THROW = 0; |
2658 | sv_setsv (ERRSV, exception); |
2659 | sv_setsv (ERRSV, exception); |
… | |
… | |
2660 | } |
2661 | } |
2661 | |
2662 | |
2662 | /* return value handling - mostly like entersub */ |
2663 | /* return value handling - mostly like entersub */ |
2663 | /* make sure we put something on the stack in scalar context */ |
2664 | /* make sure we put something on the stack in scalar context */ |
2664 | if (GIMME_V == G_SCALAR |
2665 | if (GIMME_V == G_SCALAR |
2665 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2666 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2666 | { |
2667 | { |
2667 | dSP; |
2668 | dSP; |
2668 | SV **bot = PL_stack_base + checkmark; |
2669 | SV **bot = PL_stack_base + checkmark; |
2669 | |
2670 | |
2670 | if (sp == bot) /* too few, push undef */ |
2671 | if (sp == bot) /* too few, push undef */ |
… | |
… | |
2784 | { |
2785 | { |
2785 | PerlIOBuf base; |
2786 | PerlIOBuf base; |
2786 | NV next, every; |
2787 | NV next, every; |
2787 | } PerlIOCede; |
2788 | } PerlIOCede; |
2788 | |
2789 | |
2789 | static IV |
2790 | static IV ecb_cold |
2790 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2791 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2791 | { |
2792 | { |
2792 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2793 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2793 | |
2794 | |
2794 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2795 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2795 | self->next = nvtime () + self->every; |
2796 | self->next = nvtime () + self->every; |
2796 | |
2797 | |
2797 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2798 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2798 | } |
2799 | } |
2799 | |
2800 | |
2800 | static SV * |
2801 | static SV * ecb_cold |
2801 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2802 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2802 | { |
2803 | { |
2803 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2804 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2804 | |
2805 | |
2805 | return newSVnv (self->every); |
2806 | return newSVnv (self->every); |
… | |
… | |
3217 | dSP; |
3218 | dSP; |
3218 | |
3219 | |
3219 | static SV *prio_cv; |
3220 | static SV *prio_cv; |
3220 | static SV *prio_sv; |
3221 | static SV *prio_sv; |
3221 | |
3222 | |
3222 | if (expect_false (!prio_cv)) |
3223 | if (ecb_expect_false (!prio_cv)) |
3223 | { |
3224 | { |
3224 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3225 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3225 | prio_sv = newSViv (0); |
3226 | prio_sv = newSViv (0); |
3226 | } |
3227 | } |
3227 | |
3228 | |
… | |
… | |
3333 | } |
3334 | } |
3334 | |
3335 | |
3335 | return coro_sv; |
3336 | return coro_sv; |
3336 | } |
3337 | } |
3337 | |
3338 | |
|
|
3339 | #ifndef __cplusplus |
|
|
3340 | ecb_cold XS(boot_Coro__State); |
|
|
3341 | #endif |
|
|
3342 | |
|
|
3343 | #if CORO_JIT |
|
|
3344 | |
|
|
3345 | static void ecb_noinline ecb_cold |
|
|
3346 | pushav_3uv (pTHX_ UV a, UV b, UV c) |
|
|
3347 | { |
|
|
3348 | dSP; |
|
|
3349 | AV *av = newAV (); |
|
|
3350 | |
|
|
3351 | av_store (av, 2, newSVuv (c)); |
|
|
3352 | av_store (av, 1, newSVuv (b)); |
|
|
3353 | av_store (av, 0, newSVuv (a)); |
|
|
3354 | |
|
|
3355 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3356 | |
|
|
3357 | PUTBACK; |
|
|
3358 | } |
|
|
3359 | |
|
|
3360 | static void ecb_noinline ecb_cold |
|
|
3361 | jit_init (pTHX) |
|
|
3362 | { |
|
|
3363 | dSP; |
|
|
3364 | SV *load, *save; |
|
|
3365 | char *map_base; |
|
|
3366 | char *load_ptr, *save_ptr; |
|
|
3367 | STRLEN load_len, save_len; |
|
|
3368 | int count; |
|
|
3369 | |
|
|
3370 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3371 | |
|
|
3372 | PUSHMARK (SP); |
|
|
3373 | #define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3374 | # include "state.h" |
|
|
3375 | #undef VARx |
|
|
3376 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3377 | SPAGAIN; |
|
|
3378 | |
|
|
3379 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3380 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3381 | |
|
|
3382 | map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3383 | |
|
|
3384 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3385 | |
|
|
3386 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3387 | memcpy (map_base, load_ptr, load_len); |
|
|
3388 | |
|
|
3389 | map_base += (load_len + 15) & ~15; |
|
|
3390 | |
|
|
3391 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3392 | memcpy (map_base, save_ptr, save_len); |
|
|
3393 | |
|
|
3394 | PUTBACK; |
|
|
3395 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3396 | } |
|
|
3397 | |
|
|
3398 | #endif |
|
|
3399 | |
3338 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3400 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3339 | |
3401 | |
3340 | PROTOTYPES: DISABLE |
3402 | PROTOTYPES: DISABLE |
3341 | |
3403 | |
3342 | BOOT: |
3404 | BOOT: |
… | |
… | |
3346 | coro_thx = PERL_GET_CONTEXT; |
3408 | coro_thx = PERL_GET_CONTEXT; |
3347 | # endif |
3409 | # endif |
3348 | #endif |
3410 | #endif |
3349 | BOOT_PAGESIZE; |
3411 | BOOT_PAGESIZE; |
3350 | |
3412 | |
|
|
3413 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3414 | /* just create them one at init time is not clear to me, except for */ |
|
|
3415 | /* programs trying to delete them, but... */ |
|
|
3416 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3417 | DEFSV; |
|
|
3418 | ERRSV; |
|
|
3419 | |
3351 | cctx_current = cctx_new_empty (); |
3420 | cctx_current = cctx_new_empty (); |
3352 | |
3421 | |
3353 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3422 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3354 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3423 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3355 | |
3424 | |
… | |
… | |
3397 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3466 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3398 | |
3467 | |
3399 | time_init (aTHX); |
3468 | time_init (aTHX); |
3400 | |
3469 | |
3401 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3470 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3471 | #if CORO_JIT |
|
|
3472 | PUTBACK; |
|
|
3473 | jit_init (aTHX); |
|
|
3474 | SPAGAIN; |
|
|
3475 | #endif |
3402 | } |
3476 | } |
3403 | |
3477 | |
3404 | SV * |
3478 | SV * |
3405 | new (SV *klass, ...) |
3479 | new (SV *klass, ...) |
3406 | ALIAS: |
3480 | ALIAS: |
… | |
… | |
3654 | times (Coro::State self) |
3728 | times (Coro::State self) |
3655 | PPCODE: |
3729 | PPCODE: |
3656 | { |
3730 | { |
3657 | struct coro *current = SvSTATE (coro_current); |
3731 | struct coro *current = SvSTATE (coro_current); |
3658 | |
3732 | |
3659 | if (expect_false (current == self)) |
3733 | if (ecb_expect_false (current == self)) |
3660 | { |
3734 | { |
3661 | coro_times_update (); |
3735 | coro_times_update (); |
3662 | coro_times_add (SvSTATE (coro_current)); |
3736 | coro_times_add (SvSTATE (coro_current)); |
3663 | } |
3737 | } |
3664 | |
3738 | |
3665 | EXTEND (SP, 2); |
3739 | EXTEND (SP, 2); |
3666 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3740 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3667 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3741 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3668 | |
3742 | |
3669 | if (expect_false (current == self)) |
3743 | if (ecb_expect_false (current == self)) |
3670 | coro_times_sub (SvSTATE (coro_current)); |
3744 | coro_times_sub (SvSTATE (coro_current)); |
3671 | } |
3745 | } |
3672 | |
3746 | |
3673 | void |
3747 | void |
3674 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3748 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |