… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
34 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
35 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
36 | #endif |
37 | |
37 | |
38 | #ifdef HAVE_MMAP |
38 | #if HAVE_MMAP |
39 | # include <unistd.h> |
39 | # include <unistd.h> |
40 | # include <sys/mman.h> |
40 | # include <sys/mman.h> |
41 | # ifndef MAP_ANONYMOUS |
41 | # ifndef MAP_ANONYMOUS |
42 | # ifdef MAP_ANON |
42 | # ifdef MAP_ANON |
43 | # define MAP_ANONYMOUS MAP_ANON |
43 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
63 | #endif |
63 | #endif |
64 | |
64 | |
65 | /* the maximum number of idle cctx that will be pooled */ |
65 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
66 | static int cctx_max_idle = 4; |
67 | |
67 | |
|
|
68 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
|
|
69 | # define HAS_SCOPESTACK_NAME 1 |
|
|
70 | #endif |
|
|
71 | |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
72 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
69 | # undef CORO_STACKGUARD |
73 | # undef CORO_STACKGUARD |
70 | #endif |
74 | #endif |
71 | |
75 | |
72 | #ifndef CORO_STACKGUARD |
76 | #ifndef CORO_STACKGUARD |
… | |
… | |
97 | # if CORO_PTHREAD |
101 | # if CORO_PTHREAD |
98 | static void *coro_thx; |
102 | static void *coro_thx; |
99 | # endif |
103 | # endif |
100 | #endif |
104 | #endif |
101 | |
105 | |
102 | /* used in state.h */ |
|
|
103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
|
|
104 | |
|
|
105 | #ifdef __linux |
106 | #ifdef __linux |
106 | # include <time.h> /* for timespec */ |
107 | # include <time.h> /* for timespec */ |
107 | # include <syscall.h> /* for SYS_* */ |
108 | # include <syscall.h> /* for SYS_* */ |
108 | # ifdef SYS_clock_gettime |
109 | # ifdef SYS_clock_gettime |
109 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
110 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
… | |
… | |
177 | void *sptr; |
178 | void *sptr; |
178 | size_t ssize; |
179 | size_t ssize; |
179 | |
180 | |
180 | /* cpu state */ |
181 | /* cpu state */ |
181 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
182 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
|
|
183 | #ifndef NDEBUG |
182 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
184 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
|
|
185 | #endif |
183 | JMPENV *top_env; |
186 | JMPENV *top_env; |
184 | coro_context cctx; |
187 | coro_context cctx; |
185 | |
188 | |
186 | U32 gen; |
189 | U32 gen; |
187 | #if CORO_USE_VALGRIND |
190 | #if CORO_USE_VALGRIND |
… | |
… | |
207 | }; |
210 | }; |
208 | |
211 | |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
212 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
210 | typedef struct |
213 | typedef struct |
211 | { |
214 | { |
212 | #define VARx(name,expr,type) type name; |
215 | #define VARx(name,expr,type) type name; |
213 | # include "state.h" |
216 | #include "state.h" |
214 | #undef VARx |
|
|
215 | } perl_slots; |
217 | } perl_slots; |
216 | |
218 | |
217 | // how many context stack entries do we need for perl_slots |
219 | /* how many context stack entries do we need for perl_slots */ |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
220 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
219 | |
221 | |
220 | /* this is a structure representing a perl-level coroutine */ |
222 | /* this is a structure representing a perl-level coroutine */ |
221 | struct coro |
223 | struct coro |
222 | { |
224 | { |
… | |
… | |
291 | #define coro_nready coroapi.nready |
293 | #define coro_nready coroapi.nready |
292 | |
294 | |
293 | /** JIT *********************************************************************/ |
295 | /** JIT *********************************************************************/ |
294 | |
296 | |
295 | #if CORO_JIT |
297 | #if CORO_JIT |
|
|
298 | /* APPLE doesn't have HAVE_MMAP though */ |
|
|
299 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
296 | #ifndef CORO_JIT_TYPE |
300 | #ifndef CORO_JIT_TYPE |
297 | #if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
301 | #if __x86_64 && CORO_JIT_UNIXY |
298 | #define CORO_JIT_TYPE "amd64-unix" |
302 | #define CORO_JIT_TYPE "amd64-unix" |
299 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
303 | #elif __i386 && CORO_JIT_UNIXY |
300 | #elif __i386 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
|
|
301 | #define CORO_JIT_TYPE "x86-unix" |
304 | #define CORO_JIT_TYPE "x86-unix" |
302 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
303 | #else |
|
|
304 | #undef CORO_JIT |
|
|
305 | #endif |
305 | #endif |
306 | #endif |
306 | #endif |
307 | #endif |
307 | #endif |
308 | |
308 | |
|
|
309 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
|
|
310 | #undef CORO_JIT |
|
|
311 | #endif |
|
|
312 | |
309 | #if CORO_JIT |
313 | #if CORO_JIT |
|
|
314 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
310 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
315 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
311 | #endif |
316 | #endif |
312 | |
317 | |
313 | /** Coro::Select ************************************************************/ |
318 | /** Coro::Select ************************************************************/ |
314 | |
319 | |
315 | static OP *(*coro_old_pp_sselect) (pTHX); |
320 | static OP *(*coro_old_pp_sselect) (pTHX); |
… | |
… | |
332 | |
337 | |
333 | /** time stuff **************************************************************/ |
338 | /** time stuff **************************************************************/ |
334 | |
339 | |
335 | #ifdef HAS_GETTIMEOFDAY |
340 | #ifdef HAS_GETTIMEOFDAY |
336 | |
341 | |
337 | ECB_INLINE void |
342 | ecb_inline void |
338 | coro_u2time (pTHX_ UV ret[2]) |
343 | coro_u2time (pTHX_ UV ret[2]) |
339 | { |
344 | { |
340 | struct timeval tv; |
345 | struct timeval tv; |
341 | gettimeofday (&tv, 0); |
346 | gettimeofday (&tv, 0); |
342 | |
347 | |
343 | ret [0] = tv.tv_sec; |
348 | ret [0] = tv.tv_sec; |
344 | ret [1] = tv.tv_usec; |
349 | ret [1] = tv.tv_usec; |
345 | } |
350 | } |
346 | |
351 | |
347 | ECB_INLINE double |
352 | ecb_inline double |
348 | coro_nvtime () |
353 | coro_nvtime (void) |
349 | { |
354 | { |
350 | struct timeval tv; |
355 | struct timeval tv; |
351 | gettimeofday (&tv, 0); |
356 | gettimeofday (&tv, 0); |
352 | |
357 | |
353 | return tv.tv_sec + tv.tv_usec * 1e-6; |
358 | return tv.tv_sec + tv.tv_usec * 1e-6; |
354 | } |
359 | } |
355 | |
360 | |
356 | ECB_INLINE void |
361 | ecb_inline void |
357 | time_init (pTHX) |
362 | time_init (pTHX) |
358 | { |
363 | { |
359 | nvtime = coro_nvtime; |
364 | nvtime = coro_nvtime; |
360 | u2time = coro_u2time; |
365 | u2time = coro_u2time; |
361 | } |
366 | } |
362 | |
367 | |
363 | #else |
368 | #else |
364 | |
369 | |
365 | ECB_INLINE void |
370 | ecb_inline void |
366 | time_init (pTHX) |
371 | time_init (pTHX) |
367 | { |
372 | { |
368 | SV **svp; |
373 | SV **svp; |
369 | |
374 | |
370 | require_pv ("Time/HiRes.pm"); |
375 | require_pv ("Time/HiRes.pm"); |
… | |
… | |
412 | get_hv (name, create); |
417 | get_hv (name, create); |
413 | #endif |
418 | #endif |
414 | return get_hv (name, create); |
419 | return get_hv (name, create); |
415 | } |
420 | } |
416 | |
421 | |
417 | ECB_INLINE void |
422 | ecb_inline void |
418 | coro_times_update () |
423 | coro_times_update (void) |
419 | { |
424 | { |
420 | #ifdef coro_clock_gettime |
425 | #ifdef coro_clock_gettime |
421 | struct timespec ts; |
426 | struct timespec ts; |
422 | |
427 | |
423 | ts.tv_sec = ts.tv_nsec = 0; |
428 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
435 | time_real [0] = tv [0]; |
440 | time_real [0] = tv [0]; |
436 | time_real [1] = tv [1] * 1000; |
441 | time_real [1] = tv [1] * 1000; |
437 | #endif |
442 | #endif |
438 | } |
443 | } |
439 | |
444 | |
440 | ECB_INLINE void |
445 | ecb_inline void |
441 | coro_times_add (struct coro *c) |
446 | coro_times_add (struct coro *c) |
442 | { |
447 | { |
443 | c->t_real [1] += time_real [1]; |
448 | c->t_real [1] += time_real [1]; |
444 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
449 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
445 | c->t_real [0] += time_real [0]; |
450 | c->t_real [0] += time_real [0]; |
… | |
… | |
447 | c->t_cpu [1] += time_cpu [1]; |
452 | c->t_cpu [1] += time_cpu [1]; |
448 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
453 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
449 | c->t_cpu [0] += time_cpu [0]; |
454 | c->t_cpu [0] += time_cpu [0]; |
450 | } |
455 | } |
451 | |
456 | |
452 | ECB_INLINE void |
457 | ecb_inline void |
453 | coro_times_sub (struct coro *c) |
458 | coro_times_sub (struct coro *c) |
454 | { |
459 | { |
455 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
460 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
456 | c->t_real [1] -= time_real [1]; |
461 | c->t_real [1] -= time_real [1]; |
457 | c->t_real [0] -= time_real [0]; |
462 | c->t_real [0] -= time_real [0]; |
… | |
… | |
478 | : 0) |
483 | : 0) |
479 | |
484 | |
480 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
485 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
481 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
486 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
482 | |
487 | |
483 | ECB_INLINE MAGIC * |
488 | ecb_inline MAGIC * |
484 | SvSTATEhv_p (pTHX_ SV *coro) |
489 | SvSTATEhv_p (pTHX_ SV *coro) |
485 | { |
490 | { |
486 | MAGIC *mg; |
491 | MAGIC *mg; |
487 | |
492 | |
488 | if (ecb_expect_true ( |
493 | if (ecb_expect_true ( |
… | |
… | |
493 | return mg; |
498 | return mg; |
494 | |
499 | |
495 | return 0; |
500 | return 0; |
496 | } |
501 | } |
497 | |
502 | |
498 | ECB_INLINE struct coro * |
503 | ecb_inline struct coro * |
499 | SvSTATE_ (pTHX_ SV *coro) |
504 | SvSTATE_ (pTHX_ SV *coro) |
500 | { |
505 | { |
501 | MAGIC *mg; |
506 | MAGIC *mg; |
502 | |
507 | |
503 | if (SvROK (coro)) |
508 | if (SvROK (coro)) |
… | |
… | |
517 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
522 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
518 | |
523 | |
519 | /*****************************************************************************/ |
524 | /*****************************************************************************/ |
520 | /* padlist management and caching */ |
525 | /* padlist management and caching */ |
521 | |
526 | |
522 | ECB_INLINE AV * |
527 | ecb_inline AV * |
523 | coro_derive_padlist (pTHX_ CV *cv) |
528 | coro_derive_padlist (pTHX_ CV *cv) |
524 | { |
529 | { |
525 | AV *padlist = CvPADLIST (cv); |
530 | AV *padlist = CvPADLIST (cv); |
526 | AV *newpadlist, *newpad; |
531 | AV *newpadlist, *newpad; |
527 | |
532 | |
… | |
… | |
539 | av_store (newpadlist, 1, (SV *)newpad); |
544 | av_store (newpadlist, 1, (SV *)newpad); |
540 | |
545 | |
541 | return newpadlist; |
546 | return newpadlist; |
542 | } |
547 | } |
543 | |
548 | |
544 | ECB_INLINE void |
549 | ecb_inline void |
545 | free_padlist (pTHX_ AV *padlist) |
550 | free_padlist (pTHX_ AV *padlist) |
546 | { |
551 | { |
547 | /* may be during global destruction */ |
552 | /* may be during global destruction */ |
548 | if (!IN_DESTRUCT) |
553 | if (!IN_DESTRUCT) |
549 | { |
554 | { |
… | |
… | |
592 | 0, 0, 0, 0, |
597 | 0, 0, 0, 0, |
593 | coro_cv_free |
598 | coro_cv_free |
594 | }; |
599 | }; |
595 | |
600 | |
596 | /* the next two functions merely cache the padlists */ |
601 | /* the next two functions merely cache the padlists */ |
597 | ECB_INLINE void |
602 | ecb_inline void |
598 | get_padlist (pTHX_ CV *cv) |
603 | get_padlist (pTHX_ CV *cv) |
599 | { |
604 | { |
600 | MAGIC *mg = CORO_MAGIC_cv (cv); |
605 | MAGIC *mg = CORO_MAGIC_cv (cv); |
601 | AV *av; |
606 | AV *av; |
602 | |
607 | |
… | |
… | |
615 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
620 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
616 | #endif |
621 | #endif |
617 | } |
622 | } |
618 | } |
623 | } |
619 | |
624 | |
620 | ECB_INLINE void |
625 | ecb_inline void |
621 | put_padlist (pTHX_ CV *cv) |
626 | put_padlist (pTHX_ CV *cv) |
622 | { |
627 | { |
623 | MAGIC *mg = CORO_MAGIC_cv (cv); |
628 | MAGIC *mg = CORO_MAGIC_cv (cv); |
624 | AV *av; |
629 | AV *av; |
625 | |
630 | |
… | |
… | |
634 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
639 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
635 | } |
640 | } |
636 | |
641 | |
637 | /** load & save, init *******************************************************/ |
642 | /** load & save, init *******************************************************/ |
638 | |
643 | |
|
|
644 | ecb_inline void |
|
|
645 | swap_sv (SV *a, SV *b) |
|
|
646 | { |
|
|
647 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
648 | SV tmp; |
|
|
649 | |
|
|
650 | /* swap sv_any */ |
|
|
651 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
652 | |
|
|
653 | /* swap sv_flags */ |
|
|
654 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
655 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
656 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
657 | |
|
|
658 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
659 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
660 | * is much faster, so no quarrels here. alternatively, we could |
|
|
661 | * sv_upgrade to avoid this. |
|
|
662 | */ |
|
|
663 | { |
|
|
664 | /* swap sv_u */ |
|
|
665 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
666 | |
|
|
667 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
668 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
669 | */ |
|
|
670 | #define svany_in_head(type) \ |
|
|
671 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
672 | |
|
|
673 | if (svany_in_head (SvTYPE (a))) |
|
|
674 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
675 | |
|
|
676 | if (svany_in_head (SvTYPE (b))) |
|
|
677 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
678 | } |
|
|
679 | #endif |
|
|
680 | } |
|
|
681 | |
639 | /* swap sv heads, at least logically */ |
682 | /* swap sv heads, at least logically */ |
640 | static void |
683 | static void |
641 | swap_svs (pTHX_ Coro__State c) |
684 | swap_svs (pTHX_ Coro__State c) |
642 | { |
685 | { |
643 | int i; |
686 | int i; |
644 | |
687 | |
645 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
688 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
646 | { |
689 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
647 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
648 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
649 | |
|
|
650 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
651 | SV tmp; |
|
|
652 | |
|
|
653 | /* swap sv_any */ |
|
|
654 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
655 | |
|
|
656 | /* swap sv_flags */ |
|
|
657 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
658 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
659 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
660 | |
|
|
661 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
662 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
663 | * much faster, so no quarrels here. alternatively, we could |
|
|
664 | * sv_upgrade to avoid this. |
|
|
665 | */ |
|
|
666 | { |
|
|
667 | /* swap sv_u */ |
|
|
668 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
669 | |
|
|
670 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
671 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
672 | */ |
|
|
673 | #define svany_in_head(type) \ |
|
|
674 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
675 | |
|
|
676 | if (svany_in_head (SvTYPE (a))) |
|
|
677 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
678 | |
|
|
679 | if (svany_in_head (SvTYPE (b))) |
|
|
680 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
681 | } |
|
|
682 | #endif |
|
|
683 | } |
|
|
684 | } |
690 | } |
685 | |
691 | |
686 | #define SWAP_SVS(coro) \ |
692 | #define SWAP_SVS(coro) \ |
687 | if (ecb_expect_false ((coro)->swap_sv)) \ |
693 | if (ecb_expect_false ((coro)->swap_sv)) \ |
688 | swap_svs (aTHX_ (coro)) |
694 | swap_svs (aTHX_ (coro)) |
… | |
… | |
700 | |
706 | |
701 | #if CORO_JIT |
707 | #if CORO_JIT |
702 | load_perl_slots (slot); |
708 | load_perl_slots (slot); |
703 | #else |
709 | #else |
704 | #define VARx(name,expr,type) expr = slot->name; |
710 | #define VARx(name,expr,type) expr = slot->name; |
705 | # include "state.h" |
711 | #include "state.h" |
706 | #undef VARx |
|
|
707 | #endif |
712 | #endif |
708 | |
713 | |
709 | { |
714 | { |
710 | dSP; |
715 | dSP; |
711 | |
716 | |
… | |
… | |
814 | |
819 | |
815 | PUTBACK; |
820 | PUTBACK; |
816 | } |
821 | } |
817 | |
822 | |
818 | /* allocate some space on the context stack for our purposes */ |
823 | /* allocate some space on the context stack for our purposes */ |
819 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
824 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
820 | { |
825 | { |
821 | unsigned int i; |
826 | unsigned int i; |
822 | |
827 | |
823 | for (i = 0; i < SLOT_COUNT; ++i) |
828 | for (i = 0; i < SLOT_COUNT; ++i) |
824 | CXINC; |
829 | CXINC; |
… | |
… | |
833 | |
838 | |
834 | #if CORO_JIT |
839 | #if CORO_JIT |
835 | save_perl_slots (slot); |
840 | save_perl_slots (slot); |
836 | #else |
841 | #else |
837 | #define VARx(name,expr,type) slot->name = expr; |
842 | #define VARx(name,expr,type) slot->name = expr; |
838 | # include "state.h" |
843 | #include "state.h" |
839 | #undef VARx |
|
|
840 | #endif |
844 | #endif |
841 | } |
845 | } |
842 | } |
846 | } |
843 | |
847 | |
844 | /* |
848 | /* |
… | |
… | |
876 | #endif |
880 | #endif |
877 | |
881 | |
878 | New(54,PL_scopestack,8,I32); |
882 | New(54,PL_scopestack,8,I32); |
879 | PL_scopestack_ix = 0; |
883 | PL_scopestack_ix = 0; |
880 | PL_scopestack_max = 8; |
884 | PL_scopestack_max = 8; |
|
|
885 | #if HAS_SCOPESTACK_NAME |
|
|
886 | New(54,PL_scopestack_name,8,const char*); |
|
|
887 | #endif |
881 | |
888 | |
882 | New(54,PL_savestack,24,ANY); |
889 | New(54,PL_savestack,24,ANY); |
883 | PL_savestack_ix = 0; |
890 | PL_savestack_ix = 0; |
884 | PL_savestack_max = 24; |
891 | PL_savestack_max = 24; |
885 | |
892 | |
… | |
… | |
913 | } |
920 | } |
914 | |
921 | |
915 | Safefree (PL_tmps_stack); |
922 | Safefree (PL_tmps_stack); |
916 | Safefree (PL_markstack); |
923 | Safefree (PL_markstack); |
917 | Safefree (PL_scopestack); |
924 | Safefree (PL_scopestack); |
|
|
925 | #if HAS_SCOPESTACK_NAME |
|
|
926 | Safefree (PL_scopestack_name); |
|
|
927 | #endif |
918 | Safefree (PL_savestack); |
928 | Safefree (PL_savestack); |
919 | #if !PERL_VERSION_ATLEAST (5,10,0) |
929 | #if !PERL_VERSION_ATLEAST (5,10,0) |
920 | Safefree (PL_retstack); |
930 | Safefree (PL_retstack); |
921 | #endif |
931 | #endif |
922 | } |
932 | } |
… | |
… | |
985 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
995 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
986 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
996 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
987 | |
997 | |
988 | if (svp) |
998 | if (svp) |
989 | { |
999 | { |
990 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1000 | SV *ssv; |
|
|
1001 | |
|
|
1002 | if (!*svp) |
|
|
1003 | ssv = &PL_sv_undef; |
|
|
1004 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1005 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1006 | else |
|
|
1007 | ssv = *svp; |
|
|
1008 | |
|
|
1009 | sv_setsv (sv, ssv); |
991 | return 0; |
1010 | return 0; |
992 | } |
1011 | } |
993 | } |
1012 | } |
994 | |
1013 | |
995 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1014 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
… | |
… | |
1187 | /* restore swapped sv's */ |
1206 | /* restore swapped sv's */ |
1188 | SWAP_SVS (coro); |
1207 | SWAP_SVS (coro); |
1189 | |
1208 | |
1190 | coro_destruct_stacks (aTHX); |
1209 | coro_destruct_stacks (aTHX); |
1191 | |
1210 | |
1192 | // now save some sv's to be free'd later |
1211 | /* now save some sv's to be free'd later */ |
1193 | svf [0] = GvSV (PL_defgv); |
1212 | svf [0] = GvSV (PL_defgv); |
1194 | svf [1] = (SV *)GvAV (PL_defgv); |
1213 | svf [1] = (SV *)GvAV (PL_defgv); |
1195 | svf [2] = GvSV (PL_errgv); |
1214 | svf [2] = GvSV (PL_errgv); |
1196 | svf [3] = (SV *)PL_defoutgv; |
1215 | svf [3] = (SV *)PL_defoutgv; |
1197 | svf [4] = PL_rs; |
1216 | svf [4] = PL_rs; |
… | |
… | |
1217 | SvREFCNT_dec (coro->invoke_cb); |
1236 | SvREFCNT_dec (coro->invoke_cb); |
1218 | SvREFCNT_dec (coro->invoke_av); |
1237 | SvREFCNT_dec (coro->invoke_av); |
1219 | } |
1238 | } |
1220 | } |
1239 | } |
1221 | |
1240 | |
1222 | ECB_INLINE void |
1241 | ecb_inline void |
1223 | free_coro_mortal (pTHX) |
1242 | free_coro_mortal (pTHX) |
1224 | { |
1243 | { |
1225 | if (ecb_expect_true (coro_mortal)) |
1244 | if (ecb_expect_true (coro_mortal)) |
1226 | { |
1245 | { |
1227 | SvREFCNT_dec ((SV *)coro_mortal); |
1246 | SvREFCNT_dec ((SV *)coro_mortal); |
… | |
… | |
1386 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1405 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1387 | slf_frame.check = slf_check_set_stacklevel; |
1406 | slf_frame.check = slf_check_set_stacklevel; |
1388 | } |
1407 | } |
1389 | |
1408 | |
1390 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1409 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1391 | ECB_INLINE void |
1410 | ecb_inline void |
1392 | transfer_tail (pTHX) |
1411 | transfer_tail (pTHX) |
1393 | { |
1412 | { |
1394 | free_coro_mortal (aTHX); |
1413 | free_coro_mortal (aTHX); |
|
|
1414 | } |
|
|
1415 | |
|
|
1416 | /* try to exit the same way perl's main function would do */ |
|
|
1417 | /* we do not bother resetting the environment or other things *7 |
|
|
1418 | /* that are not, uhm, essential */ |
|
|
1419 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1420 | static void ecb_noinline ecb_cold |
|
|
1421 | perlish_exit (void) |
|
|
1422 | { |
|
|
1423 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1424 | perl_free (PL_curinterp); |
|
|
1425 | exit (exitstatus); |
1395 | } |
1426 | } |
1396 | |
1427 | |
1397 | /* |
1428 | /* |
1398 | * this is a _very_ stripped down perl interpreter ;) |
1429 | * this is a _very_ stripped down perl interpreter ;) |
1399 | */ |
1430 | */ |
… | |
… | |
1428 | */ |
1459 | */ |
1429 | |
1460 | |
1430 | /* |
1461 | /* |
1431 | * If perl-run returns we assume exit() was being called or the coro |
1462 | * If perl-run returns we assume exit() was being called or the coro |
1432 | * fell off the end, which seems to be the only valid (non-bug) |
1463 | * fell off the end, which seems to be the only valid (non-bug) |
1433 | * reason for perl_run to return. We try to exit by jumping to the |
1464 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1434 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1465 | * doing in that case. YMMV. |
1435 | * coroutine as Coro has no such concept. |
|
|
1436 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1437 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1438 | */ |
1466 | */ |
1439 | PL_top_env = main_top_env; |
1467 | perlish_exit (); |
1440 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1441 | } |
1468 | } |
1442 | } |
1469 | } |
1443 | |
1470 | |
1444 | static coro_cctx * |
1471 | static coro_cctx * |
1445 | cctx_new () |
1472 | cctx_new (void) |
1446 | { |
1473 | { |
1447 | coro_cctx *cctx; |
1474 | coro_cctx *cctx; |
1448 | |
1475 | |
1449 | ++cctx_count; |
1476 | ++cctx_count; |
1450 | New (0, cctx, 1, coro_cctx); |
1477 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1456 | return cctx; |
1483 | return cctx; |
1457 | } |
1484 | } |
1458 | |
1485 | |
1459 | /* create a new cctx only suitable as source */ |
1486 | /* create a new cctx only suitable as source */ |
1460 | static coro_cctx * |
1487 | static coro_cctx * |
1461 | cctx_new_empty () |
1488 | cctx_new_empty (void) |
1462 | { |
1489 | { |
1463 | coro_cctx *cctx = cctx_new (); |
1490 | coro_cctx *cctx = cctx_new (); |
1464 | |
1491 | |
1465 | cctx->sptr = 0; |
1492 | cctx->sptr = 0; |
1466 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1493 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1468 | return cctx; |
1495 | return cctx; |
1469 | } |
1496 | } |
1470 | |
1497 | |
1471 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1498 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1472 | static coro_cctx * |
1499 | static coro_cctx * |
1473 | cctx_new_run () |
1500 | cctx_new_run (void) |
1474 | { |
1501 | { |
1475 | coro_cctx *cctx = cctx_new (); |
1502 | coro_cctx *cctx = cctx_new (); |
1476 | void *stack_start; |
1503 | void *stack_start; |
1477 | size_t stack_size; |
1504 | size_t stack_size; |
1478 | |
1505 | |
1479 | #if HAVE_MMAP |
1506 | #if HAVE_MMAP |
1480 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1507 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1481 | /* mmap supposedly does allocate-on-write for us */ |
1508 | /* mmap supposedly does allocate-on-write for us */ |
1482 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1509 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1483 | |
1510 | |
1484 | if (cctx->sptr != (void *)-1) |
1511 | if (cctx->sptr != (void *)-1) |
1485 | { |
1512 | { |
1486 | #if CORO_STACKGUARD |
1513 | #if CORO_STACKGUARD |
1487 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1514 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
… | |
… | |
1789 | TRANSFER (ta, 1); |
1816 | TRANSFER (ta, 1); |
1790 | } |
1817 | } |
1791 | |
1818 | |
1792 | /** Coro ********************************************************************/ |
1819 | /** Coro ********************************************************************/ |
1793 | |
1820 | |
1794 | ECB_INLINE void |
1821 | ecb_inline void |
1795 | coro_enq (pTHX_ struct coro *coro) |
1822 | coro_enq (pTHX_ struct coro *coro) |
1796 | { |
1823 | { |
1797 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1824 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1798 | |
1825 | |
1799 | SvREFCNT_inc_NN (coro->hv); |
1826 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1801 | coro->next_ready = 0; |
1828 | coro->next_ready = 0; |
1802 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1829 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1803 | ready [1] = coro; |
1830 | ready [1] = coro; |
1804 | } |
1831 | } |
1805 | |
1832 | |
1806 | ECB_INLINE struct coro * |
1833 | ecb_inline struct coro * |
1807 | coro_deq (pTHX) |
1834 | coro_deq (pTHX) |
1808 | { |
1835 | { |
1809 | int prio; |
1836 | int prio; |
1810 | |
1837 | |
1811 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1838 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1864 | { |
1891 | { |
1865 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1892 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1866 | } |
1893 | } |
1867 | |
1894 | |
1868 | /* expects to own a reference to next->hv */ |
1895 | /* expects to own a reference to next->hv */ |
1869 | ECB_INLINE void |
1896 | ecb_inline void |
1870 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1897 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1871 | { |
1898 | { |
1872 | SV *prev_sv = SvRV (coro_current); |
1899 | SV *prev_sv = SvRV (coro_current); |
1873 | |
1900 | |
1874 | ta->prev = SvSTATE_hv (prev_sv); |
1901 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1933 | } |
1960 | } |
1934 | } |
1961 | } |
1935 | } |
1962 | } |
1936 | } |
1963 | } |
1937 | |
1964 | |
1938 | ECB_INLINE void |
1965 | ecb_inline void |
1939 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1966 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1940 | { |
1967 | { |
1941 | api_ready (aTHX_ coro_current); |
1968 | api_ready (aTHX_ coro_current); |
1942 | prepare_schedule (aTHX_ ta); |
1969 | prepare_schedule (aTHX_ ta); |
1943 | } |
1970 | } |
1944 | |
1971 | |
1945 | ECB_INLINE void |
1972 | ecb_inline void |
1946 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1973 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1947 | { |
1974 | { |
1948 | SV *prev = SvRV (coro_current); |
1975 | SV *prev = SvRV (coro_current); |
1949 | |
1976 | |
1950 | if (coro_nready) |
1977 | if (coro_nready) |
… | |
… | |
2950 | { |
2977 | { |
2951 | int i; |
2978 | int i; |
2952 | /* if we were woken up but can't down, we look through the whole */ |
2979 | /* if we were woken up but can't down, we look through the whole */ |
2953 | /* waiters list and only add us if we aren't in there already */ |
2980 | /* waiters list and only add us if we aren't in there already */ |
2954 | /* this avoids some degenerate memory usage cases */ |
2981 | /* this avoids some degenerate memory usage cases */ |
2955 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2982 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2956 | if (AvARRAY (av)[i] == coro_hv) |
2983 | if (AvARRAY (av)[i] == coro_hv) |
2957 | return 1; |
2984 | return 1; |
2958 | |
2985 | |
2959 | av_push (av, SvREFCNT_inc (coro_hv)); |
2986 | av_push (av, SvREFCNT_inc (coro_hv)); |
2960 | return 1; |
2987 | return 1; |
… | |
… | |
3340 | #endif |
3367 | #endif |
3341 | |
3368 | |
3342 | #if CORO_JIT |
3369 | #if CORO_JIT |
3343 | |
3370 | |
3344 | static void ecb_noinline ecb_cold |
3371 | static void ecb_noinline ecb_cold |
3345 | pushav_3uv (pTHX_ UV a, UV b, UV c) |
3372 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
3346 | { |
3373 | { |
3347 | dSP; |
3374 | dSP; |
3348 | AV *av = newAV (); |
3375 | AV *av = newAV (); |
3349 | |
3376 | |
|
|
3377 | av_store (av, 3, newSVuv (d)); |
3350 | av_store (av, 2, newSVuv (c)); |
3378 | av_store (av, 2, newSVuv (c)); |
3351 | av_store (av, 1, newSVuv (b)); |
3379 | av_store (av, 1, newSVuv (b)); |
3352 | av_store (av, 0, newSVuv (a)); |
3380 | av_store (av, 0, newSVuv (a)); |
3353 | |
3381 | |
3354 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
3382 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
… | |
… | |
3361 | { |
3389 | { |
3362 | dSP; |
3390 | dSP; |
3363 | SV *load, *save; |
3391 | SV *load, *save; |
3364 | char *map_base; |
3392 | char *map_base; |
3365 | char *load_ptr, *save_ptr; |
3393 | char *load_ptr, *save_ptr; |
3366 | STRLEN load_len, save_len; |
3394 | STRLEN load_len, save_len, map_len; |
3367 | int count; |
3395 | int count; |
3368 | |
3396 | |
|
|
3397 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3398 | |
3369 | PUSHMARK (SP); |
3399 | PUSHMARK (SP); |
3370 | PUTBACK; |
|
|
3371 | #define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); |
3400 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3372 | # include "state.h" |
3401 | #include "state.h" |
3373 | #undef VARx |
|
|
3374 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3402 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3375 | SPAGAIN; |
3403 | SPAGAIN; |
3376 | |
3404 | |
3377 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3405 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3378 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3406 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3379 | |
3407 | |
|
|
3408 | map_len = load_len + save_len + 16; |
|
|
3409 | |
3380 | map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3410 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3381 | |
3411 | |
3382 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3412 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3383 | |
3413 | |
3384 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3414 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3385 | memcpy (map_base, load_ptr, load_len); |
3415 | memcpy (map_base, load_ptr, load_len); |
3386 | |
3416 | |
3387 | map_base += (load_len + 15) & ~15; |
3417 | map_base += (load_len + 15) & ~15; |
3388 | |
3418 | |
3389 | save_perl_slots = (load_save_perl_slots_type)map_base; |
3419 | save_perl_slots = (load_save_perl_slots_type)map_base; |
3390 | memcpy (map_base, save_ptr, save_len); |
3420 | memcpy (map_base, save_ptr, save_len); |
|
|
3421 | |
|
|
3422 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3423 | /* hackers might have it a bit more difficult */ |
|
|
3424 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3425 | |
|
|
3426 | PUTBACK; |
|
|
3427 | eval_pv ("undef &Coro::State::_jit", 1); |
3391 | } |
3428 | } |
3392 | |
3429 | |
3393 | #endif |
3430 | #endif |
3394 | |
3431 | |
3395 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3432 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
… | |
… | |
3463 | time_init (aTHX); |
3500 | time_init (aTHX); |
3464 | |
3501 | |
3465 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3502 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3466 | #if CORO_JIT |
3503 | #if CORO_JIT |
3467 | PUTBACK; |
3504 | PUTBACK; |
3468 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3469 | jit_init (aTHX); |
3505 | jit_init (aTHX); |
3470 | perl_eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3471 | SPAGAIN; |
3506 | SPAGAIN; |
3472 | #endif |
3507 | #endif |
3473 | } |
3508 | } |
3474 | |
3509 | |
3475 | SV * |
3510 | SV * |
… | |
… | |
4127 | } |
4162 | } |
4128 | |
4163 | |
4129 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4164 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4130 | |
4165 | |
4131 | void |
4166 | void |
4132 | _may_delete (SV *sem, int count, int extra_refs) |
4167 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4133 | PPCODE: |
4168 | PPCODE: |
4134 | { |
4169 | { |
4135 | AV *av = (AV *)SvRV (sem); |
4170 | AV *av = (AV *)SvRV (sem); |
4136 | |
4171 | |
4137 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4172 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |