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Comparing Coro/Coro/State.xs (file contents):
Revision 1.425 by root, Wed Dec 5 00:14:22 2012 UTC vs.
Revision 1.432 by root, Wed May 8 00:44:44 2013 UTC

1/* this works around a bug in mingw32 providing a non-working setjmp */ 1/* this works around a bug in mingw32 providing a non-working setjmp */
2#define USE_NO_MINGW_SETJMP_TWO_ARGS 2#define USE_NO_MINGW_SETJMP_TWO_ARGS
3 3
4#define NDEBUG 1 4#define NDEBUG 1 /* perl usually disables NDEBUG later */
5 5
6#include "libcoro/coro.c" 6#include "libcoro/coro.c"
7 7
8#define PERL_NO_GET_CONTEXT 8#define PERL_NO_GET_CONTEXT
9#define PERL_EXT 9#define PERL_EXT
… …
52# define setjmp _setjmp /* deep magic */ 52# define setjmp _setjmp /* deep magic */
53#else 53#else
54# include <inttypes.h> /* most portable stdint.h */ 54# include <inttypes.h> /* most portable stdint.h */
55#endif 55#endif
56 56
57#if HAVE_MMAP
58# include <unistd.h>
59# include <sys/mman.h>
60# ifndef MAP_ANONYMOUS
61# ifdef MAP_ANON
62# define MAP_ANONYMOUS MAP_ANON
63# else
64# undef HAVE_MMAP
65# endif
66# endif
67# include <limits.h>
68# ifndef PAGESIZE
69# define PAGESIZE pagesize
70# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
71static long pagesize;
72# else
73# define BOOT_PAGESIZE (void)0
74# endif
75#else
76# define PAGESIZE 0
77# define BOOT_PAGESIZE (void)0
78#endif
79
80#if CORO_USE_VALGRIND
81# include <valgrind/valgrind.h>
82#endif
83
84/* the maximum number of idle cctx that will be pooled */ 57/* the maximum number of idle cctx that will be pooled */
85static int cctx_max_idle = 4; 58static int cctx_max_idle = 4;
86 59
87#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) 60#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
88# define HAS_SCOPESTACK_NAME 1 61# define HAS_SCOPESTACK_NAME 1
89#endif
90
91#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
92# undef CORO_STACKGUARD
93#endif
94
95#ifndef CORO_STACKGUARD
96# define CORO_STACKGUARD 0
97#endif 62#endif
98 63
99/* prefer perl internal functions over our own? */ 64/* prefer perl internal functions over our own? */
100#ifndef CORO_PREFER_PERL_FUNCTIONS 65#ifndef CORO_PREFER_PERL_FUNCTIONS
101# define CORO_PREFER_PERL_FUNCTIONS 0 66# define CORO_PREFER_PERL_FUNCTIONS 0
… …
192typedef struct coro_cctx 157typedef struct coro_cctx
193{ 158{
194 struct coro_cctx *next; 159 struct coro_cctx *next;
195 160
196 /* the stack */ 161 /* the stack */
197 void *sptr; 162 struct coro_stack stack;
198 size_t ssize;
199 163
200 /* cpu state */ 164 /* cpu state */
201 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 165 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
202#ifndef NDEBUG 166#ifndef NDEBUG
203 JMPENV *idle_te; /* same as idle_sp, but for top_env */ 167 JMPENV *idle_te; /* same as idle_sp, but for top_env */
… …
312#define coro_nready coroapi.nready 276#define coro_nready coroapi.nready
313 277
314/** JIT *********************************************************************/ 278/** JIT *********************************************************************/
315 279
316#if CORO_JIT 280#if CORO_JIT
317 /* APPLE doesn't have HAVE_MMAP though */ 281 /* APPLE doesn't have mmap though */
318 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) 282 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
319 #ifndef CORO_JIT_TYPE 283 #ifndef CORO_JIT_TYPE
320 #if __x86_64 && CORO_JIT_UNIXY 284 #if ECB_AMD64 && CORO_JIT_UNIXY
321 #define CORO_JIT_TYPE "amd64-unix" 285 #define CORO_JIT_TYPE "amd64-unix"
322 #elif __i386 && CORO_JIT_UNIXY 286 #elif __i386 && CORO_JIT_UNIXY
323 #define CORO_JIT_TYPE "x86-unix" 287 #define CORO_JIT_TYPE "x86-unix"
324 #endif 288 #endif
325 #endif 289 #endif
326#endif 290#endif
327 291
328#if !defined(CORO_JIT_TYPE) || !HAVE_MMAP 292#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
329 #undef CORO_JIT 293 #undef CORO_JIT
330#endif 294#endif
331 295
332#if CORO_JIT 296#if CORO_JIT
333 typedef void (*load_save_perl_slots_type)(perl_slots *); 297 typedef void (*load_save_perl_slots_type)(perl_slots *);
… …
1519static coro_cctx * 1483static coro_cctx *
1520cctx_new_empty (void) 1484cctx_new_empty (void)
1521{ 1485{
1522 coro_cctx *cctx = cctx_new (); 1486 coro_cctx *cctx = cctx_new ();
1523 1487
1524 cctx->sptr = 0; 1488 cctx->stack.sptr = 0;
1525 coro_create (&cctx->cctx, 0, 0, 0, 0); 1489 coro_create (&cctx->cctx, 0, 0, 0, 0);
1526 1490
1527 return cctx; 1491 return cctx;
1528} 1492}
1529 1493
1530/* create a new cctx suitable as destination/running a perl interpreter */ 1494/* create a new cctx suitable as destination/running a perl interpreter */
1531static coro_cctx * 1495static coro_cctx *
1532cctx_new_run (void) 1496cctx_new_run (void)
1533{ 1497{
1534 coro_cctx *cctx = cctx_new (); 1498 coro_cctx *cctx = cctx_new ();
1535 void *stack_start;
1536 size_t stack_size;
1537 1499
1538#if HAVE_MMAP 1500 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1539 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1540 /* mmap supposedly does allocate-on-write for us */
1541 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, -1, 0);
1542
1543 if (cctx->sptr != (void *)-1)
1544 {
1545 #if CORO_STACKGUARD
1546 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1547 #endif
1548 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1549 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1550 cctx->flags |= CC_MAPPED;
1551 } 1501 {
1552 else
1553#endif
1554 {
1555 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1556 New (0, cctx->sptr, cctx_stacksize, long);
1557
1558 if (!cctx->sptr)
1559 {
1560 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1502 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1561 _exit (EXIT_FAILURE); 1503 _exit (EXIT_FAILURE);
1562 }
1563
1564 stack_start = cctx->sptr;
1565 stack_size = cctx->ssize;
1566 } 1504 }
1567 1505
1568 #if CORO_USE_VALGRIND
1569 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1570 #endif
1571
1572 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1506 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1573 1507
1574 return cctx; 1508 return cctx;
1575} 1509}
1576 1510
1577static void 1511static void
… …
1583 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); 1517 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1584 1518
1585 --cctx_count; 1519 --cctx_count;
1586 coro_destroy (&cctx->cctx); 1520 coro_destroy (&cctx->cctx);
1587 1521
1588 /* coro_transfer creates new, empty cctx's */ 1522 coro_stack_free (&cctx->stack);
1589 if (cctx->sptr)
1590 {
1591 #if CORO_USE_VALGRIND
1592 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1593 #endif
1594
1595#if HAVE_MMAP
1596 if (cctx->flags & CC_MAPPED)
1597 munmap (cctx->sptr, cctx->ssize);
1598 else
1599#endif
1600 Safefree (cctx->sptr);
1601 }
1602 1523
1603 Safefree (cctx); 1524 Safefree (cctx);
1604} 1525}
1605 1526
1606/* wether this cctx should be destructed */ 1527/* wether this cctx should be destructed */
… …
1625} 1546}
1626 1547
1627static void 1548static void
1628cctx_put (coro_cctx *cctx) 1549cctx_put (coro_cctx *cctx)
1629{ 1550{
1630 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1551 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1631 1552
1632 /* free another cctx if overlimit */ 1553 /* free another cctx if overlimit */
1633 if (ecb_expect_false (cctx_idle >= cctx_max_idle)) 1554 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1634 { 1555 {
1635 coro_cctx *first = cctx_first; 1556 coro_cctx *first = cctx_first;
… …
2174{ 2095{
2175 AV *od = coro->on_destroy; 2096 AV *od = coro->on_destroy;
2176 2097
2177 if (!od) 2098 if (!od)
2178 return; 2099 return;
2100
2101 coro->on_destroy = 0;
2102 sv_2mortal ((SV *)od);
2179 2103
2180 while (AvFILLp (od) >= 0) 2104 while (AvFILLp (od) >= 0)
2181 { 2105 {
2182 SV *cb = sv_2mortal (av_pop (od)); 2106 SV *cb = sv_2mortal (av_pop (od));
2183 2107
… …
3470#ifdef USE_ITHREADS 3394#ifdef USE_ITHREADS
3471# if CORO_PTHREAD 3395# if CORO_PTHREAD
3472 coro_thx = PERL_GET_CONTEXT; 3396 coro_thx = PERL_GET_CONTEXT;
3473# endif 3397# endif
3474#endif 3398#endif
3475 BOOT_PAGESIZE;
3476
3477 /* perl defines these to check for existance first, but why it doesn't */ 3399 /* perl defines these to check for existance first, but why it doesn't */
3478 /* just create them one at init time is not clear to me, except for */ 3400 /* just create them one at init time is not clear to me, except for */
3479 /* programs trying to delete them, but... */ 3401 /* programs trying to delete them, but... */
3480 /* anyway, we declare this as invalid and make sure they are initialised here */ 3402 /* anyway, we declare this as invalid and make sure they are initialised here */
3481 DEFSV; 3403 DEFSV;
… …
3551void 3473void
3552transfer (...) 3474transfer (...)
3553 PROTOTYPE: $$ 3475 PROTOTYPE: $$
3554 CODE: 3476 CODE:
3555 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3477 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3556
3557void
3558_exit (int code)
3559 PROTOTYPE: $
3560 CODE:
3561 _exit (code);
3562 3478
3563SV * 3479SV *
3564clone (Coro::State coro) 3480clone (Coro::State coro)
3565 CODE: 3481 CODE:
3566{ 3482{
… …
3621void 3537void
3622list () 3538list ()
3623 PROTOTYPE: 3539 PROTOTYPE:
3624 PPCODE: 3540 PPCODE:
3625{ 3541{
3626 struct coro *coro; 3542 struct coro *coro;
3627 for (coro = coro_first; coro; coro = coro->next) 3543 for (coro = coro_first; coro; coro = coro->next)
3628 if (coro->hv) 3544 if (coro->hv)
3629 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3545 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3630} 3546}
3631 3547
… …
3793 3709
3794void 3710void
3795times (Coro::State self) 3711times (Coro::State self)
3796 PPCODE: 3712 PPCODE:
3797{ 3713{
3798 struct coro *current = SvSTATE (coro_current); 3714 struct coro *current = SvSTATE (coro_current);
3799 3715
3800 if (ecb_expect_false (current == self)) 3716 if (ecb_expect_false (current == self))
3801 { 3717 {
3802 coro_times_update (); 3718 coro_times_update ();
3803 coro_times_add (SvSTATE (coro_current)); 3719 coro_times_add (SvSTATE (coro_current));
… …
4078 on_leave = 1 3994 on_leave = 1
4079 PROTOTYPE: & 3995 PROTOTYPE: &
4080 CODE: 3996 CODE:
4081{ 3997{
4082 struct coro *coro = SvSTATE_current; 3998 struct coro *coro = SvSTATE_current;
4083 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 3999 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
4084 4000
4085 block = s_get_cv_croak (block); 4001 block = s_get_cv_croak (block);
4086 4002
4087 if (!*avp) 4003 if (!*avp)
4088 *avp = newAV (); 4004 *avp = newAV ();
… …
4108 4024
4109SV * 4025SV *
4110new (SV *klass, SV *count = 0) 4026new (SV *klass, SV *count = 0)
4111 CODE: 4027 CODE:
4112{ 4028{
4113 int semcnt = 1; 4029 int semcnt = 1;
4114 4030
4115 if (count) 4031 if (count)
4116 { 4032 {
4117 SvGETMAGIC (count); 4033 SvGETMAGIC (count);
4118 4034
… …
4178 XSRETURN_NO; 4094 XSRETURN_NO;
4179} 4095}
4180 4096
4181void 4097void
4182waiters (SV *self) 4098waiters (SV *self)
4183 PPCODE: 4099 PPCODE:
4184{ 4100{
4185 AV *av = (AV *)SvRV (self); 4101 AV *av = (AV *)SvRV (self);
4186 int wcount = AvFILLp (av) + 1 - 1; 4102 int wcount = AvFILLp (av) + 1 - 1;
4187 4103
4188 if (GIMME_V == G_SCALAR) 4104 if (GIMME_V == G_SCALAR)
… …
4200 4116
4201void 4117void
4202_may_delete (SV *sem, int count, unsigned int extra_refs) 4118_may_delete (SV *sem, int count, unsigned int extra_refs)
4203 PPCODE: 4119 PPCODE:
4204{ 4120{
4205 AV *av = (AV *)SvRV (sem); 4121 AV *av = (AV *)SvRV (sem);
4206 4122
4207 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4123 if (SvREFCNT ((SV *)av) == 1 + extra_refs
4208 && AvFILLp (av) == 0 /* no waiters, just count */ 4124 && AvFILLp (av) == 0 /* no waiters, just count */
4209 && SvIV (AvARRAY (av)[0]) == count) 4125 && SvIV (AvARRAY (av)[0]) == count)
4210 XSRETURN_YES; 4126 XSRETURN_YES;
… …
4231 4147
4232void 4148void
4233broadcast (SV *self) 4149broadcast (SV *self)
4234 CODE: 4150 CODE:
4235{ 4151{
4236 AV *av = (AV *)SvRV (self); 4152 AV *av = (AV *)SvRV (self);
4237 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4153 coro_signal_wake (aTHX_ av, AvFILLp (av));
4238} 4154}
4239 4155
4240void 4156void
4241send (SV *self) 4157send (SV *self)
… …
4249 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4165 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4250} 4166}
4251 4167
4252IV 4168IV
4253awaited (SV *self) 4169awaited (SV *self)
4254 CODE: 4170 CODE:
4255 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4171 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4256 OUTPUT: 4172 OUTPUT:
4257 RETVAL 4173 RETVAL
4258 4174
4259 4175
… …
4264 4180
4265void 4181void
4266_schedule (...) 4182_schedule (...)
4267 CODE: 4183 CODE:
4268{ 4184{
4269 static int incede; 4185 static int incede;
4270 4186
4271 api_cede_notself (aTHX); 4187 api_cede_notself (aTHX);
4272 4188
4273 ++incede; 4189 ++incede;
4274 while (coro_nready >= incede && api_cede (aTHX)) 4190 while (coro_nready >= incede && api_cede (aTHX))
… …
4318 { 4234 {
4319 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4235 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4320 coro_old_pp_sselect = 0; 4236 coro_old_pp_sselect = 0;
4321 } 4237 }
4322 4238
4239MODULE = Coro::State PACKAGE = Coro::Util
4240
4241void
4242_exit (int code)
4243 CODE:
4244 _exit (code);
4245
4246NV
4247time ()
4248 CODE:
4249 RETVAL = nvtime (aTHX);
4250 OUTPUT:
4251 RETVAL
4252
4253NV
4254gettimeofday ()
4255 PPCODE:
4256{
4257 UV tv [2];
4258 u2time (aTHX_ tv);
4259 EXTEND (SP, 2);
4260 PUSHs (sv_2mortal (newSVuv (tv [0])));
4261 PUSHs (sv_2mortal (newSVuv (tv [1])));
4262}
4263

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