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101 | # if CORO_PTHREAD |
101 | # if CORO_PTHREAD |
102 | static void *coro_thx; |
102 | static void *coro_thx; |
103 | # endif |
103 | # endif |
104 | #endif |
104 | #endif |
105 | |
105 | |
106 | /* used in state.h */ |
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107 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
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108 | |
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109 | #ifdef __linux |
106 | #ifdef __linux |
110 | # include <time.h> /* for timespec */ |
107 | # include <time.h> /* for timespec */ |
111 | # include <syscall.h> /* for SYS_* */ |
108 | # include <syscall.h> /* for SYS_* */ |
112 | # ifdef SYS_clock_gettime |
109 | # ifdef SYS_clock_gettime |
113 | # 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)) |
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213 | }; |
210 | }; |
214 | |
211 | |
215 | /* 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 */ |
216 | typedef struct |
213 | typedef struct |
217 | { |
214 | { |
218 | #define VARx(name,expr,type) type name; |
215 | #define VARx(name,expr,type) type name; |
219 | # include "state.h" |
216 | #include "state.h" |
220 | #undef VARx |
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221 | } perl_slots; |
217 | } perl_slots; |
222 | |
218 | |
223 | /* how many context stack entries do we need for perl_slots */ |
219 | /* how many context stack entries do we need for perl_slots */ |
224 | #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)) |
225 | |
221 | |
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710 | |
706 | |
711 | #if CORO_JIT |
707 | #if CORO_JIT |
712 | load_perl_slots (slot); |
708 | load_perl_slots (slot); |
713 | #else |
709 | #else |
714 | #define VARx(name,expr,type) expr = slot->name; |
710 | #define VARx(name,expr,type) expr = slot->name; |
715 | # include "state.h" |
711 | #include "state.h" |
716 | #undef VARx |
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717 | #endif |
712 | #endif |
718 | |
713 | |
719 | { |
714 | { |
720 | dSP; |
715 | dSP; |
721 | |
716 | |
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843 | |
838 | |
844 | #if CORO_JIT |
839 | #if CORO_JIT |
845 | save_perl_slots (slot); |
840 | save_perl_slots (slot); |
846 | #else |
841 | #else |
847 | #define VARx(name,expr,type) slot->name = expr; |
842 | #define VARx(name,expr,type) slot->name = expr; |
848 | # include "state.h" |
843 | #include "state.h" |
849 | #undef VARx |
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850 | #endif |
844 | #endif |
851 | } |
845 | } |
852 | } |
846 | } |
853 | |
847 | |
854 | /* |
848 | /* |
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1417 | transfer_tail (pTHX) |
1411 | transfer_tail (pTHX) |
1418 | { |
1412 | { |
1419 | free_coro_mortal (aTHX); |
1413 | free_coro_mortal (aTHX); |
1420 | } |
1414 | } |
1421 | |
1415 | |
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1416 | /* try to exit the same way perl's main function would do */ |
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1417 | /* we do not bother resetting the environment or other things *7 |
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1418 | /* that are not, uhm, essential */ |
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1419 | /* this obviously also doesn't work when perl is embedded */ |
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1420 | static void ecb_noinline ecb_cold |
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1421 | perlish_exit (pTHX) |
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1422 | { |
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1423 | int exitstatus = perl_destruct (PL_curinterp); |
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1424 | perl_free (PL_curinterp); |
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1425 | exit (exitstatus); |
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1426 | } |
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1427 | |
1422 | /* |
1428 | /* |
1423 | * this is a _very_ stripped down perl interpreter ;) |
1429 | * this is a _very_ stripped down perl interpreter ;) |
1424 | */ |
1430 | */ |
1425 | static void |
1431 | static void |
1426 | cctx_run (void *arg) |
1432 | cctx_run (void *arg) |
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1453 | */ |
1459 | */ |
1454 | |
1460 | |
1455 | /* |
1461 | /* |
1456 | * 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 |
1457 | * 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) |
1458 | * 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 |
1459 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1465 | * doing in that case. YMMV. |
1460 | * coroutine as Coro has no such concept. |
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1461 | * This actually isn't valid with the pthread backend, but OSes requiring |
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1462 | * that backend are too broken to do it in a standards-compliant way. |
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1463 | */ |
1466 | */ |
1464 | PL_top_env = main_top_env; |
1467 | perlish_exit (aTHX); |
1465 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
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1466 | } |
1468 | } |
1467 | } |
1469 | } |
1468 | |
1470 | |
1469 | static coro_cctx * |
1471 | static coro_cctx * |
1470 | cctx_new (void) |
1472 | cctx_new (void) |
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… | |
1502 | size_t stack_size; |
1504 | size_t stack_size; |
1503 | |
1505 | |
1504 | #if HAVE_MMAP |
1506 | #if HAVE_MMAP |
1505 | 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; |
1506 | /* mmap supposedly does allocate-on-write for us */ |
1508 | /* mmap supposedly does allocate-on-write for us */ |
1507 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1509 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, -1, 0); |
1508 | |
1510 | |
1509 | if (cctx->sptr != (void *)-1) |
1511 | if (cctx->sptr != (void *)-1) |
1510 | { |
1512 | { |
1511 | #if CORO_STACKGUARD |
1513 | #if CORO_STACKGUARD |
1512 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1514 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
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3393 | int count; |
3395 | int count; |
3394 | |
3396 | |
3395 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3397 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3396 | |
3398 | |
3397 | PUSHMARK (SP); |
3399 | PUSHMARK (SP); |
3398 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (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)); |
3399 | # include "state.h" |
3401 | #include "state.h" |
3400 | #undef VARx |
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|
3401 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3402 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3402 | SPAGAIN; |
3403 | SPAGAIN; |
3403 | |
3404 | |
3404 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3405 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3405 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3406 | load = POPs; load_ptr = SvPVbyte (load, load_len); |