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Comparing Coro/Coro/State.xs (file contents):
Revision 1.404 by root, Fri Jun 10 12:27:02 2011 UTC vs.
Revision 1.413 by root, Fri Jun 17 18:55:08 2011 UTC

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
97# if CORO_PTHREAD 97# if CORO_PTHREAD
98static void *coro_thx; 98static void *coro_thx;
99# endif 99# endif
100#endif 100#endif
101 101
102/* used in state.h */
103#define VAR(name,type) VARx(name, PL_ ## name, type)
104
102#ifdef __linux 105#ifdef __linux
103# include <time.h> /* for timespec */ 106# include <time.h> /* for timespec */
104# include <syscall.h> /* for SYS_* */ 107# include <syscall.h> /* for SYS_* */
105# ifdef SYS_clock_gettime 108# ifdef SYS_clock_gettime
106# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 109# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
204}; 207};
205 208
206/* 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 */
207typedef struct 210typedef struct
208{ 211{
209 SV *defsv;
210 AV *defav;
211 SV *errsv;
212 SV *irsgv;
213 HV *hinthv;
214#define VAR(name,type) type name; 212#define VARx(name,expr,type) type name;
215# include "state.h" 213# include "state.h"
216#undef VAR 214#undef VARx
217} perl_slots; 215} perl_slots;
218 216
219// how many context stack entries do we need for perl_slots 217/* how many context stack entries do we need for perl_slots */
220#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))
221 219
222/* this is a structure representing a perl-level coroutine */ 220/* this is a structure representing a perl-level coroutine */
223struct coro 221struct coro
224{ 222{
290static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 288static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
291static CV *cv_coro_run; 289static CV *cv_coro_run;
292static struct coro *coro_first; 290static struct coro *coro_first;
293#define coro_nready coroapi.nready 291#define coro_nready coroapi.nready
294 292
293/** JIT *********************************************************************/
294
295#if CORO_JIT
296 /* APPLE doesn't have HAVE_MMAP though */
297 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
298 #ifndef CORO_JIT_TYPE
299 #if __x86_64 && CORO_JIT_UNIXY
300 #define CORO_JIT_TYPE "amd64-unix"
301 #elif __i386 && CORO_JIT_UNIXY
302 #define CORO_JIT_TYPE "x86-unix"
303 #endif
304 #endif
305#endif
306
307#if !defined(CORO_JIT_TYPE) || !HAVE_MMAP
308 #undef CORO_JIT
309#endif
310
311#if CORO_JIT
312 typedef void (*load_save_perl_slots_type)(perl_slots *);
313 static load_save_perl_slots_type load_perl_slots, save_perl_slots;
314#endif
315
295/** Coro::Select ************************************************************/ 316/** Coro::Select ************************************************************/
296 317
297static OP *(*coro_old_pp_sselect) (pTHX); 318static OP *(*coro_old_pp_sselect) (pTHX);
298static SV *coro_select_select; 319static SV *coro_select_select;
299 320
314 335
315/** time stuff **************************************************************/ 336/** time stuff **************************************************************/
316 337
317#ifdef HAS_GETTIMEOFDAY 338#ifdef HAS_GETTIMEOFDAY
318 339
319ECB_INLINE void 340ecb_inline void
320coro_u2time (pTHX_ UV ret[2]) 341coro_u2time (pTHX_ UV ret[2])
321{ 342{
322 struct timeval tv; 343 struct timeval tv;
323 gettimeofday (&tv, 0); 344 gettimeofday (&tv, 0);
324 345
325 ret [0] = tv.tv_sec; 346 ret [0] = tv.tv_sec;
326 ret [1] = tv.tv_usec; 347 ret [1] = tv.tv_usec;
327} 348}
328 349
329ECB_INLINE double 350ecb_inline double
330coro_nvtime () 351coro_nvtime (void)
331{ 352{
332 struct timeval tv; 353 struct timeval tv;
333 gettimeofday (&tv, 0); 354 gettimeofday (&tv, 0);
334 355
335 return tv.tv_sec + tv.tv_usec * 1e-6; 356 return tv.tv_sec + tv.tv_usec * 1e-6;
336} 357}
337 358
338ECB_INLINE void 359ecb_inline void
339time_init (pTHX) 360time_init (pTHX)
340{ 361{
341 nvtime = coro_nvtime; 362 nvtime = coro_nvtime;
342 u2time = coro_u2time; 363 u2time = coro_u2time;
343} 364}
344 365
345#else 366#else
346 367
347ECB_INLINE void 368ecb_inline void
348time_init (pTHX) 369time_init (pTHX)
349{ 370{
350 SV **svp; 371 SV **svp;
351 372
352 require_pv ("Time/HiRes.pm"); 373 require_pv ("Time/HiRes.pm");
394 get_hv (name, create); 415 get_hv (name, create);
395#endif 416#endif
396 return get_hv (name, create); 417 return get_hv (name, create);
397} 418}
398 419
399ECB_INLINE void 420ecb_inline void
400coro_times_update () 421coro_times_update (void)
401{ 422{
402#ifdef coro_clock_gettime 423#ifdef coro_clock_gettime
403 struct timespec ts; 424 struct timespec ts;
404 425
405 ts.tv_sec = ts.tv_nsec = 0; 426 ts.tv_sec = ts.tv_nsec = 0;
417 time_real [0] = tv [0]; 438 time_real [0] = tv [0];
418 time_real [1] = tv [1] * 1000; 439 time_real [1] = tv [1] * 1000;
419#endif 440#endif
420} 441}
421 442
422ECB_INLINE void 443ecb_inline void
423coro_times_add (struct coro *c) 444coro_times_add (struct coro *c)
424{ 445{
425 c->t_real [1] += time_real [1]; 446 c->t_real [1] += time_real [1];
426 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } 447 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
427 c->t_real [0] += time_real [0]; 448 c->t_real [0] += time_real [0];
429 c->t_cpu [1] += time_cpu [1]; 450 c->t_cpu [1] += time_cpu [1];
430 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } 451 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
431 c->t_cpu [0] += time_cpu [0]; 452 c->t_cpu [0] += time_cpu [0];
432} 453}
433 454
434ECB_INLINE void 455ecb_inline void
435coro_times_sub (struct coro *c) 456coro_times_sub (struct coro *c)
436{ 457{
437 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } 458 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
438 c->t_real [1] -= time_real [1]; 459 c->t_real [1] -= time_real [1];
439 c->t_real [0] -= time_real [0]; 460 c->t_real [0] -= time_real [0];
460 : 0) 481 : 0)
461 482
462#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 483#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
463#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 484#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
464 485
465ECB_INLINE MAGIC * 486ecb_inline MAGIC *
466SvSTATEhv_p (pTHX_ SV *coro) 487SvSTATEhv_p (pTHX_ SV *coro)
467{ 488{
468 MAGIC *mg; 489 MAGIC *mg;
469 490
470 if (ecb_expect_true ( 491 if (ecb_expect_true (
475 return mg; 496 return mg;
476 497
477 return 0; 498 return 0;
478} 499}
479 500
480ECB_INLINE struct coro * 501ecb_inline struct coro *
481SvSTATE_ (pTHX_ SV *coro) 502SvSTATE_ (pTHX_ SV *coro)
482{ 503{
483 MAGIC *mg; 504 MAGIC *mg;
484 505
485 if (SvROK (coro)) 506 if (SvROK (coro))
499#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 520#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
500 521
501/*****************************************************************************/ 522/*****************************************************************************/
502/* padlist management and caching */ 523/* padlist management and caching */
503 524
504ECB_INLINE AV * 525ecb_inline AV *
505coro_derive_padlist (pTHX_ CV *cv) 526coro_derive_padlist (pTHX_ CV *cv)
506{ 527{
507 AV *padlist = CvPADLIST (cv); 528 AV *padlist = CvPADLIST (cv);
508 AV *newpadlist, *newpad; 529 AV *newpadlist, *newpad;
509 530
521 av_store (newpadlist, 1, (SV *)newpad); 542 av_store (newpadlist, 1, (SV *)newpad);
522 543
523 return newpadlist; 544 return newpadlist;
524} 545}
525 546
526ECB_INLINE void 547ecb_inline void
527free_padlist (pTHX_ AV *padlist) 548free_padlist (pTHX_ AV *padlist)
528{ 549{
529 /* may be during global destruction */ 550 /* may be during global destruction */
530 if (!IN_DESTRUCT) 551 if (!IN_DESTRUCT)
531 { 552 {
574 0, 0, 0, 0, 595 0, 0, 0, 0,
575 coro_cv_free 596 coro_cv_free
576}; 597};
577 598
578/* the next two functions merely cache the padlists */ 599/* the next two functions merely cache the padlists */
579ECB_INLINE void 600ecb_inline void
580get_padlist (pTHX_ CV *cv) 601get_padlist (pTHX_ CV *cv)
581{ 602{
582 MAGIC *mg = CORO_MAGIC_cv (cv); 603 MAGIC *mg = CORO_MAGIC_cv (cv);
583 AV *av; 604 AV *av;
584 605
597 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 618 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
598#endif 619#endif
599 } 620 }
600} 621}
601 622
602ECB_INLINE void 623ecb_inline void
603put_padlist (pTHX_ CV *cv) 624put_padlist (pTHX_ CV *cv)
604{ 625{
605 MAGIC *mg = CORO_MAGIC_cv (cv); 626 MAGIC *mg = CORO_MAGIC_cv (cv);
606 AV *av; 627 AV *av;
607 628
678 perl_slots *slot = c->slot; 699 perl_slots *slot = c->slot;
679 c->slot = 0; 700 c->slot = 0;
680 701
681 PL_mainstack = c->mainstack; 702 PL_mainstack = c->mainstack;
682 703
683 GvSV (PL_defgv) = slot->defsv; 704#if CORO_JIT
684 GvAV (PL_defgv) = slot->defav; 705 load_perl_slots (slot);
685 GvSV (PL_errgv) = slot->errsv; 706#else
686 GvSV (irsgv) = slot->irsgv;
687 GvHV (PL_hintgv) = slot->hinthv;
688
689 #define VAR(name,type) PL_ ## name = slot->name; 707 #define VARx(name,expr,type) expr = slot->name;
690 # include "state.h" 708 # include "state.h"
691 #undef VAR 709 #undef VARx
710#endif
692 711
693 { 712 {
694 dSP; 713 dSP;
695 714
696 CV *cv; 715 CV *cv;
798 817
799 PUTBACK; 818 PUTBACK;
800 } 819 }
801 820
802 /* allocate some space on the context stack for our purposes */ 821 /* allocate some space on the context stack for our purposes */
803 if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) 822 if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max))
804 { 823 {
805 unsigned int i; 824 unsigned int i;
806 825
807 for (i = 0; i < SLOT_COUNT; ++i) 826 for (i = 0; i < SLOT_COUNT; ++i)
808 CXINC; 827 CXINC;
813 c->mainstack = PL_mainstack; 832 c->mainstack = PL_mainstack;
814 833
815 { 834 {
816 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 835 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
817 836
818 slot->defav = GvAV (PL_defgv); 837#if CORO_JIT
819 slot->defsv = DEFSV; 838 save_perl_slots (slot);
820 slot->errsv = ERRSV; 839#else
821 slot->irsgv = GvSV (irsgv);
822 slot->hinthv = GvHV (PL_hintgv);
823
824 #define VAR(name,type) slot->name = PL_ ## name; 840 #define VARx(name,expr,type) slot->name = expr;
825 # include "state.h" 841 # include "state.h"
826 #undef VAR 842 #undef VARx
843#endif
827 } 844 }
828} 845}
829 846
830/* 847/*
831 * allocate various perl stacks. This is almost an exact copy 848 * allocate various perl stacks. This is almost an exact copy
1173 /* restore swapped sv's */ 1190 /* restore swapped sv's */
1174 SWAP_SVS (coro); 1191 SWAP_SVS (coro);
1175 1192
1176 coro_destruct_stacks (aTHX); 1193 coro_destruct_stacks (aTHX);
1177 1194
1178 // now save some sv's to be free'd later 1195 /* now save some sv's to be free'd later */
1179 svf [0] = GvSV (PL_defgv); 1196 svf [0] = GvSV (PL_defgv);
1180 svf [1] = (SV *)GvAV (PL_defgv); 1197 svf [1] = (SV *)GvAV (PL_defgv);
1181 svf [2] = GvSV (PL_errgv); 1198 svf [2] = GvSV (PL_errgv);
1182 svf [3] = (SV *)PL_defoutgv; 1199 svf [3] = (SV *)PL_defoutgv;
1183 svf [4] = PL_rs; 1200 svf [4] = PL_rs;
1203 SvREFCNT_dec (coro->invoke_cb); 1220 SvREFCNT_dec (coro->invoke_cb);
1204 SvREFCNT_dec (coro->invoke_av); 1221 SvREFCNT_dec (coro->invoke_av);
1205 } 1222 }
1206} 1223}
1207 1224
1208ECB_INLINE void 1225ecb_inline void
1209free_coro_mortal (pTHX) 1226free_coro_mortal (pTHX)
1210{ 1227{
1211 if (ecb_expect_true (coro_mortal)) 1228 if (ecb_expect_true (coro_mortal))
1212 { 1229 {
1213 SvREFCNT_dec ((SV *)coro_mortal); 1230 SvREFCNT_dec ((SV *)coro_mortal);
1372 slf_frame.prepare = slf_prepare_set_stacklevel; 1389 slf_frame.prepare = slf_prepare_set_stacklevel;
1373 slf_frame.check = slf_check_set_stacklevel; 1390 slf_frame.check = slf_check_set_stacklevel;
1374} 1391}
1375 1392
1376/* the tail of transfer: execute stuff we can only do after a transfer */ 1393/* the tail of transfer: execute stuff we can only do after a transfer */
1377ECB_INLINE void 1394ecb_inline void
1378transfer_tail (pTHX) 1395transfer_tail (pTHX)
1379{ 1396{
1380 free_coro_mortal (aTHX); 1397 free_coro_mortal (aTHX);
1381} 1398}
1382 1399
1426 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1443 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1427 } 1444 }
1428} 1445}
1429 1446
1430static coro_cctx * 1447static coro_cctx *
1431cctx_new () 1448cctx_new (void)
1432{ 1449{
1433 coro_cctx *cctx; 1450 coro_cctx *cctx;
1434 1451
1435 ++cctx_count; 1452 ++cctx_count;
1436 New (0, cctx, 1, coro_cctx); 1453 New (0, cctx, 1, coro_cctx);
1442 return cctx; 1459 return cctx;
1443} 1460}
1444 1461
1445/* create a new cctx only suitable as source */ 1462/* create a new cctx only suitable as source */
1446static coro_cctx * 1463static coro_cctx *
1447cctx_new_empty () 1464cctx_new_empty (void)
1448{ 1465{
1449 coro_cctx *cctx = cctx_new (); 1466 coro_cctx *cctx = cctx_new ();
1450 1467
1451 cctx->sptr = 0; 1468 cctx->sptr = 0;
1452 coro_create (&cctx->cctx, 0, 0, 0, 0); 1469 coro_create (&cctx->cctx, 0, 0, 0, 0);
1454 return cctx; 1471 return cctx;
1455} 1472}
1456 1473
1457/* create a new cctx suitable as destination/running a perl interpreter */ 1474/* create a new cctx suitable as destination/running a perl interpreter */
1458static coro_cctx * 1475static coro_cctx *
1459cctx_new_run () 1476cctx_new_run (void)
1460{ 1477{
1461 coro_cctx *cctx = cctx_new (); 1478 coro_cctx *cctx = cctx_new ();
1462 void *stack_start; 1479 void *stack_start;
1463 size_t stack_size; 1480 size_t stack_size;
1464 1481
1465#if HAVE_MMAP 1482#if HAVE_MMAP
1466 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1483 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1467 /* mmap supposedly does allocate-on-write for us */ 1484 /* mmap supposedly does allocate-on-write for us */
1468 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 1485 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0);
1469 1486
1470 if (cctx->sptr != (void *)-1) 1487 if (cctx->sptr != (void *)-1)
1471 { 1488 {
1472 #if CORO_STACKGUARD 1489 #if CORO_STACKGUARD
1473 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 1490 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1775 TRANSFER (ta, 1); 1792 TRANSFER (ta, 1);
1776} 1793}
1777 1794
1778/** Coro ********************************************************************/ 1795/** Coro ********************************************************************/
1779 1796
1780ECB_INLINE void 1797ecb_inline void
1781coro_enq (pTHX_ struct coro *coro) 1798coro_enq (pTHX_ struct coro *coro)
1782{ 1799{
1783 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1800 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1784 1801
1785 SvREFCNT_inc_NN (coro->hv); 1802 SvREFCNT_inc_NN (coro->hv);
1787 coro->next_ready = 0; 1804 coro->next_ready = 0;
1788 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1805 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1789 ready [1] = coro; 1806 ready [1] = coro;
1790} 1807}
1791 1808
1792ECB_INLINE struct coro * 1809ecb_inline struct coro *
1793coro_deq (pTHX) 1810coro_deq (pTHX)
1794{ 1811{
1795 int prio; 1812 int prio;
1796 1813
1797 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1814 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1850{ 1867{
1851 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1868 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1852} 1869}
1853 1870
1854/* expects to own a reference to next->hv */ 1871/* expects to own a reference to next->hv */
1855ECB_INLINE void 1872ecb_inline void
1856prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1873prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1857{ 1874{
1858 SV *prev_sv = SvRV (coro_current); 1875 SV *prev_sv = SvRV (coro_current);
1859 1876
1860 ta->prev = SvSTATE_hv (prev_sv); 1877 ta->prev = SvSTATE_hv (prev_sv);
1919 } 1936 }
1920 } 1937 }
1921 } 1938 }
1922} 1939}
1923 1940
1924ECB_INLINE void 1941ecb_inline void
1925prepare_cede (pTHX_ struct coro_transfer_args *ta) 1942prepare_cede (pTHX_ struct coro_transfer_args *ta)
1926{ 1943{
1927 api_ready (aTHX_ coro_current); 1944 api_ready (aTHX_ coro_current);
1928 prepare_schedule (aTHX_ ta); 1945 prepare_schedule (aTHX_ ta);
1929} 1946}
1930 1947
1931ECB_INLINE void 1948ecb_inline void
1932prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 1949prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1933{ 1950{
1934 SV *prev = SvRV (coro_current); 1951 SV *prev = SvRV (coro_current);
1935 1952
1936 if (coro_nready) 1953 if (coro_nready)
2936 { 2953 {
2937 int i; 2954 int i;
2938 /* if we were woken up but can't down, we look through the whole */ 2955 /* if we were woken up but can't down, we look through the whole */
2939 /* waiters list and only add us if we aren't in there already */ 2956 /* waiters list and only add us if we aren't in there already */
2940 /* this avoids some degenerate memory usage cases */ 2957 /* this avoids some degenerate memory usage cases */
2941 for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug 2958 for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */
2942 if (AvARRAY (av)[i] == coro_hv) 2959 if (AvARRAY (av)[i] == coro_hv)
2943 return 1; 2960 return 1;
2944 2961
2945 av_push (av, SvREFCNT_inc (coro_hv)); 2962 av_push (av, SvREFCNT_inc (coro_hv));
2946 return 1; 2963 return 1;
3323 3340
3324#ifndef __cplusplus 3341#ifndef __cplusplus
3325ecb_cold XS(boot_Coro__State); 3342ecb_cold XS(boot_Coro__State);
3326#endif 3343#endif
3327 3344
3345#if CORO_JIT
3346
3347static void ecb_noinline ecb_cold
3348pushav_4uv (pTHX_ UV a, UV b, UV c, UV d)
3349{
3350 dSP;
3351 AV *av = newAV ();
3352
3353 av_store (av, 3, newSVuv (d));
3354 av_store (av, 2, newSVuv (c));
3355 av_store (av, 1, newSVuv (b));
3356 av_store (av, 0, newSVuv (a));
3357
3358 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
3359
3360 PUTBACK;
3361}
3362
3363static void ecb_noinline ecb_cold
3364jit_init (pTHX)
3365{
3366 dSP;
3367 SV *load, *save;
3368 char *map_base;
3369 char *load_ptr, *save_ptr;
3370 STRLEN load_len, save_len, map_len;
3371 int count;
3372
3373 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3374
3375 PUSHMARK (SP);
3376#define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3377# include "state.h"
3378#undef VARx
3379 count = call_pv ("Coro::State::_jit", G_ARRAY);
3380 SPAGAIN;
3381
3382 save = POPs; save_ptr = SvPVbyte (save, save_len);
3383 load = POPs; load_ptr = SvPVbyte (load, load_len);
3384
3385 map_len = load_len + save_len + 16;
3386
3387 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3388
3389 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3390
3391 load_perl_slots = (load_save_perl_slots_type)map_base;
3392 memcpy (map_base, load_ptr, load_len);
3393
3394 map_base += (load_len + 15) & ~15;
3395
3396 save_perl_slots = (load_save_perl_slots_type)map_base;
3397 memcpy (map_base, save_ptr, save_len);
3398
3399 /* we are good citizens and try to make the page read-only, so the evil evil */
3400 /* hackers might have it a bit more difficult */
3401 mprotect (map_base, map_len, PROT_READ | PROT_EXEC);
3402
3403 PUTBACK;
3404 eval_pv ("undef &Coro::State::_jit", 1);
3405}
3406
3407#endif
3408
3328MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3409MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
3329 3410
3330PROTOTYPES: DISABLE 3411PROTOTYPES: DISABLE
3331 3412
3332BOOT: 3413BOOT:
3336 coro_thx = PERL_GET_CONTEXT; 3417 coro_thx = PERL_GET_CONTEXT;
3337# endif 3418# endif
3338#endif 3419#endif
3339 BOOT_PAGESIZE; 3420 BOOT_PAGESIZE;
3340 3421
3422 /* perl defines these to check for existance first, but why it doesn't */
3423 /* just create them one at init time is not clear to me, except for */
3424 /* programs trying to delete them, but... */
3425 /* anyway, we declare this as invalid and make sure they are initialised here */
3426 DEFSV;
3427 ERRSV;
3428
3341 cctx_current = cctx_new_empty (); 3429 cctx_current = cctx_new_empty ();
3342 3430
3343 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 3431 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
3344 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 3432 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
3345 3433
3387 coroapi.prepare_cede_notself = prepare_cede_notself; 3475 coroapi.prepare_cede_notself = prepare_cede_notself;
3388 3476
3389 time_init (aTHX); 3477 time_init (aTHX);
3390 3478
3391 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3479 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3480#if CORO_JIT
3481 PUTBACK;
3482 jit_init (aTHX);
3483 SPAGAIN;
3484#endif
3392} 3485}
3393 3486
3394SV * 3487SV *
3395new (SV *klass, ...) 3488new (SV *klass, ...)
3396 ALIAS: 3489 ALIAS:
4046} 4139}
4047 4140
4048MODULE = Coro::State PACKAGE = Coro::SemaphoreSet 4141MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
4049 4142
4050void 4143void
4051_may_delete (SV *sem, int count, int extra_refs) 4144_may_delete (SV *sem, int count, unsigned int extra_refs)
4052 PPCODE: 4145 PPCODE:
4053{ 4146{
4054 AV *av = (AV *)SvRV (sem); 4147 AV *av = (AV *)SvRV (sem);
4055 4148
4056 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4149 if (SvREFCNT ((SV *)av) == 1 + extra_refs

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