| … | |
… | |
| 53 | |
53 | |
| 54 | void *sptr; |
54 | void *sptr; |
| 55 | long ssize; /* positive == mmap, otherwise malloc */ |
55 | long ssize; /* positive == mmap, otherwise malloc */ |
| 56 | } coro_stack; |
56 | } coro_stack; |
| 57 | |
57 | |
| 58 | static coro_stack main_stack = { 1, 0, 0 }; |
|
|
| 59 | |
|
|
| 60 | struct coro { |
58 | struct coro { |
| 61 | /* the optional C context */ |
59 | /* the optional C context */ |
| 62 | coro_stack *stack; |
60 | coro_stack *stack; |
| 63 | void *cursp; |
61 | void *cursp; |
| 64 | int gencnt; |
62 | int gencnt; |
| … | |
… | |
| 68 | SV *defsv; |
66 | SV *defsv; |
| 69 | SV *errsv; |
67 | SV *errsv; |
| 70 | |
68 | |
| 71 | /* saved global state not related to stacks */ |
69 | /* saved global state not related to stacks */ |
| 72 | U8 dowarn; |
70 | U8 dowarn; |
|
|
71 | I32 in_eval; |
| 73 | |
72 | |
| 74 | /* the stacks and related info (callchain etc..) */ |
73 | /* the stacks and related info (callchain etc..) */ |
| 75 | PERL_SI *curstackinfo; |
74 | PERL_SI *curstackinfo; |
| 76 | AV *curstack; |
75 | AV *curstack; |
| 77 | AV *mainstack; |
76 | AV *mainstack; |
| … | |
… | |
| 95 | I32 savestack_max; |
94 | I32 savestack_max; |
| 96 | OP **retstack; |
95 | OP **retstack; |
| 97 | I32 retstack_ix; |
96 | I32 retstack_ix; |
| 98 | I32 retstack_max; |
97 | I32 retstack_max; |
| 99 | COP *curcop; |
98 | COP *curcop; |
| 100 | JMPENV start_env; |
|
|
| 101 | JMPENV *top_env; |
99 | JMPENV *top_env; |
| 102 | |
100 | |
| 103 | /* data associated with this coroutine (initial args) */ |
101 | /* data associated with this coroutine (initial args) */ |
| 104 | AV *args; |
102 | AV *args; |
| 105 | }; |
103 | }; |
| … | |
… | |
| 290 | |
288 | |
| 291 | static void |
289 | static void |
| 292 | load_state(pTHX_ Coro__State c) |
290 | load_state(pTHX_ Coro__State c) |
| 293 | { |
291 | { |
| 294 | PL_dowarn = c->dowarn; |
292 | PL_dowarn = c->dowarn; |
|
|
293 | PL_in_eval = c->in_eval; |
| 295 | |
294 | |
| 296 | PL_curstackinfo = c->curstackinfo; |
295 | PL_curstackinfo = c->curstackinfo; |
| 297 | PL_curstack = c->curstack; |
296 | PL_curstack = c->curstack; |
| 298 | PL_mainstack = c->mainstack; |
297 | PL_mainstack = c->mainstack; |
| 299 | PL_stack_sp = c->stack_sp; |
298 | PL_stack_sp = c->stack_sp; |
| … | |
… | |
| 316 | PL_savestack_max = c->savestack_max; |
315 | PL_savestack_max = c->savestack_max; |
| 317 | PL_retstack = c->retstack; |
316 | PL_retstack = c->retstack; |
| 318 | PL_retstack_ix = c->retstack_ix; |
317 | PL_retstack_ix = c->retstack_ix; |
| 319 | PL_retstack_max = c->retstack_max; |
318 | PL_retstack_max = c->retstack_max; |
| 320 | PL_curcop = c->curcop; |
319 | PL_curcop = c->curcop; |
| 321 | PL_start_env = c->start_env; |
|
|
| 322 | PL_top_env = c->top_env; |
320 | PL_top_env = c->top_env; |
| 323 | |
321 | |
| 324 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
322 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
| 325 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
323 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
| 326 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
324 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
| … | |
… | |
| 425 | /* but if it's missing the defav contents magically get replaced sometimes */ |
423 | /* but if it's missing the defav contents magically get replaced sometimes */ |
| 426 | if (c->defav) |
424 | if (c->defav) |
| 427 | av_reify (c->defav); |
425 | av_reify (c->defav); |
| 428 | |
426 | |
| 429 | c->dowarn = PL_dowarn; |
427 | c->dowarn = PL_dowarn; |
|
|
428 | c->in_eval = PL_in_eval; |
| 430 | |
429 | |
| 431 | c->curstackinfo = PL_curstackinfo; |
430 | c->curstackinfo = PL_curstackinfo; |
| 432 | c->curstack = PL_curstack; |
431 | c->curstack = PL_curstack; |
| 433 | c->mainstack = PL_mainstack; |
432 | c->mainstack = PL_mainstack; |
| 434 | c->stack_sp = PL_stack_sp; |
433 | c->stack_sp = PL_stack_sp; |
| … | |
… | |
| 451 | c->savestack_max = PL_savestack_max; |
450 | c->savestack_max = PL_savestack_max; |
| 452 | c->retstack = PL_retstack; |
451 | c->retstack = PL_retstack; |
| 453 | c->retstack_ix = PL_retstack_ix; |
452 | c->retstack_ix = PL_retstack_ix; |
| 454 | c->retstack_max = PL_retstack_max; |
453 | c->retstack_max = PL_retstack_max; |
| 455 | c->curcop = PL_curcop; |
454 | c->curcop = PL_curcop; |
| 456 | c->start_env = PL_start_env; |
|
|
| 457 | c->top_env = PL_top_env; |
455 | c->top_env = PL_top_env; |
| 458 | } |
456 | } |
| 459 | |
457 | |
| 460 | /* |
458 | /* |
| 461 | * allocate various perl stacks. This is an exact copy |
459 | * allocate various perl stacks. This is an exact copy |
| … | |
… | |
| 553 | stack->usecnt = 1; |
551 | stack->usecnt = 1; |
| 554 | stack->gencnt = ctx->gencnt = 0; |
552 | stack->gencnt = ctx->gencnt = 0; |
| 555 | if (alloc) |
553 | if (alloc) |
| 556 | { |
554 | { |
| 557 | #ifdef HAVE_MMAP |
555 | #ifdef HAVE_MMAP |
| 558 | stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write */ |
556 | stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */ |
| 559 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, 0, 0); |
557 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, 0, 0); |
| 560 | if (stack->sptr == (void *)-1) |
558 | if (stack->sptr == (void *)-1) |
| 561 | #endif |
559 | #endif |
| 562 | { |
560 | { |
| 563 | /*FIXME*//*D*//* reasonable stack size! */ |
561 | /*FIXME*//*D*//* reasonable stack size! */ |
| … | |
… | |
| 605 | dSP; |
603 | dSP; |
| 606 | Coro__State ctx = (Coro__State)arg; |
604 | Coro__State ctx = (Coro__State)arg; |
| 607 | SV *sub_init = (SV*)get_cv(SUB_INIT, FALSE); |
605 | SV *sub_init = (SV*)get_cv(SUB_INIT, FALSE); |
| 608 | |
606 | |
| 609 | coro_init_stacks (aTHX); |
607 | coro_init_stacks (aTHX); |
| 610 | JMPENV_BOOTSTRAP; |
|
|
| 611 | SPAGAIN; |
|
|
| 612 | |
|
|
| 613 | /*PL_curcop = 0;*/ |
608 | /*PL_curcop = 0;*/ |
|
|
609 | /*PL_in_eval = PL_in_eval;*/ /* inherit */ |
| 614 | SvREFCNT_dec (GvAV (PL_defgv)); |
610 | SvREFCNT_dec (GvAV (PL_defgv)); |
| 615 | GvAV (PL_defgv) = ctx->args; |
611 | GvAV (PL_defgv) = ctx->args; |
| 616 | |
612 | |
|
|
613 | SPAGAIN; |
|
|
614 | |
| 617 | if (ctx->stack) |
615 | if (ctx->stack) |
| 618 | { |
616 | { |
| 619 | ctx->cursp = 0; |
617 | ctx->cursp = 0; |
| 620 | |
618 | |
| 621 | PUSHMARK(SP); |
619 | PUSHMARK(SP); |
| 622 | PUTBACK; |
620 | PUTBACK; |
| 623 | (void) call_sv (sub_init, G_VOID|G_NOARGS); |
621 | (void) call_sv (sub_init, G_VOID|G_NOARGS|G_EVAL); |
|
|
622 | |
|
|
623 | if (SvTRUE (ERRSV)) |
|
|
624 | croak (NULL); |
|
|
625 | else |
| 624 | croak ("FATAL: CCTXT coroutine returned!"); |
626 | croak ("FATAL: CCTXT coroutine returned!"); |
| 625 | } |
627 | } |
| 626 | else |
628 | else |
| 627 | { |
629 | { |
| 628 | UNOP myop; |
630 | UNOP myop; |
| 629 | |
631 | |
| … | |
… | |
| 656 | /* |
658 | /* |
| 657 | * this is a _very_ stripped down perl interpreter ;) |
659 | * this is a _very_ stripped down perl interpreter ;) |
| 658 | */ |
660 | */ |
| 659 | Coro__State ctx = (Coro__State)arg; |
661 | Coro__State ctx = (Coro__State)arg; |
| 660 | |
662 | |
|
|
663 | /*FIXME*//* must set up top_env here */ |
| 661 | ctx->cursp = 0; |
664 | ctx->cursp = 0; |
| 662 | PL_op = PL_op->op_next; |
665 | PL_op = PL_op->op_next; |
| 663 | CALLRUNOPS(aTHX); |
666 | CALLRUNOPS(aTHX); |
| 664 | /*NORETURN*/ |
667 | |
| 665 | abort (); |
668 | abort (); |
| 666 | } |
669 | } |
| 667 | |
670 | |
| 668 | STATIC void |
671 | STATIC void |
| 669 | transfer(pTHX_ struct coro *prev, struct coro *next, int flags) |
672 | transfer(pTHX_ struct coro *prev, struct coro *next, int flags) |
