| … | |
… | |
| 10 | #include "patchlevel.h" |
10 | #include "patchlevel.h" |
| 11 | |
11 | |
| 12 | #include <stdio.h> |
12 | #include <stdio.h> |
| 13 | #include <errno.h> |
13 | #include <errno.h> |
| 14 | #include <assert.h> |
14 | #include <assert.h> |
|
|
15 | #include <inttypes.h> /* portable stdint.h */ |
| 15 | |
16 | |
| 16 | #ifdef HAVE_MMAP |
17 | #ifdef HAVE_MMAP |
| 17 | # include <unistd.h> |
18 | # include <unistd.h> |
| 18 | # include <sys/mman.h> |
19 | # include <sys/mman.h> |
| 19 | # ifndef MAP_ANONYMOUS |
20 | # ifndef MAP_ANONYMOUS |
| … | |
… | |
| 221 | |
222 | |
| 222 | /* process data */ |
223 | /* process data */ |
| 223 | AV *mainstack; |
224 | AV *mainstack; |
| 224 | perl_slots *slot; /* basically the saved sp */ |
225 | perl_slots *slot; /* basically the saved sp */ |
| 225 | |
226 | |
| 226 | /* data associated with this coroutine (initial args) */ |
227 | AV *args; /* data associated with this coroutine (initial args) */ |
| 227 | AV *args; |
228 | int refcnt; /* coroutines are refcounted, yes */ |
| 228 | int refcnt; |
|
|
| 229 | int flags; /* CF_ flags */ |
229 | int flags; /* CF_ flags */ |
|
|
230 | HV *hv; /* the perl hash associated with this coro, if any */ |
| 230 | |
231 | |
| 231 | /* statistics */ |
232 | /* statistics */ |
| 232 | int usecount; /* number of transfers to this coro */ |
233 | int usecount; /* number of transfers to this coro */ |
| 233 | |
234 | |
| 234 | /* coro process data */ |
235 | /* coro process data */ |
| 235 | int prio; |
236 | int prio; |
| 236 | SV *throw; |
237 | SV *throw; /* exception to be thrown */ |
| 237 | |
238 | |
| 238 | /* async_pool */ |
239 | /* async_pool */ |
| 239 | SV *saved_deffh; |
240 | SV *saved_deffh; |
| 240 | |
241 | |
| 241 | /* linked list */ |
242 | /* linked list */ |
| 242 | struct coro *next, *prev; |
243 | struct coro *next, *prev; |
| 243 | HV *hv; /* the perl hash associated with this coro, if any */ |
|
|
| 244 | }; |
244 | }; |
| 245 | |
245 | |
| 246 | typedef struct coro *Coro__State; |
246 | typedef struct coro *Coro__State; |
| 247 | typedef struct coro *Coro__State_or_hashref; |
247 | typedef struct coro *Coro__State_or_hashref; |
| 248 | |
248 | |
| … | |
… | |
| 557 | * allocate various perl stacks. This is an exact copy |
557 | * allocate various perl stacks. This is an exact copy |
| 558 | * of perl.c:init_stacks, except that it uses less memory |
558 | * of perl.c:init_stacks, except that it uses less memory |
| 559 | * on the (sometimes correct) assumption that coroutines do |
559 | * on the (sometimes correct) assumption that coroutines do |
| 560 | * not usually need a lot of stackspace. |
560 | * not usually need a lot of stackspace. |
| 561 | */ |
561 | */ |
| 562 | #if 1 |
562 | #if CORO_PREFER_PERL_FUNCTIONS |
| 563 | # define coro_init_stacks init_stacks |
563 | # define coro_init_stacks init_stacks |
| 564 | #else |
564 | #else |
| 565 | static void |
565 | static void |
| 566 | coro_init_stacks (pTHX) |
566 | coro_init_stacks (pTHX) |
| 567 | { |
567 | { |
| … | |
… | |
| 713 | PL_op = (OP *)&myop; |
713 | PL_op = (OP *)&myop; |
| 714 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
714 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
| 715 | SPAGAIN; |
715 | SPAGAIN; |
| 716 | } |
716 | } |
| 717 | |
717 | |
| 718 | ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ |
718 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
719 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
720 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
721 | * so we ENTER here for symmetry |
|
|
722 | */ |
|
|
723 | ENTER; |
| 719 | } |
724 | } |
| 720 | |
725 | |
| 721 | static void |
726 | static void |
| 722 | coro_destroy (pTHX_ struct coro *coro) |
727 | coro_destroy (pTHX_ struct coro *coro) |
| 723 | { |
728 | { |
| … | |
… | |
| 1524 | |
1529 | |
| 1525 | while (main_top_env->je_prev) |
1530 | while (main_top_env->je_prev) |
| 1526 | main_top_env = main_top_env->je_prev; |
1531 | main_top_env = main_top_env->je_prev; |
| 1527 | |
1532 | |
| 1528 | coroapi.ver = CORO_API_VERSION; |
1533 | coroapi.ver = CORO_API_VERSION; |
|
|
1534 | coroapi.rev = CORO_API_REVISION; |
| 1529 | coroapi.transfer = api_transfer; |
1535 | coroapi.transfer = api_transfer; |
| 1530 | |
1536 | |
| 1531 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1537 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
| 1532 | } |
1538 | } |
| 1533 | |
1539 | |
| … | |
… | |
| 1600 | |
1606 | |
| 1601 | break; |
1607 | break; |
| 1602 | } |
1608 | } |
| 1603 | |
1609 | |
| 1604 | BARRIER; |
1610 | BARRIER; |
|
|
1611 | PUTBACK; |
| 1605 | TRANSFER (ta); |
1612 | TRANSFER (ta); |
| 1606 | |
1613 | SPAGAIN; /* might be the sp of a different coroutine now */ |
| 1607 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1614 | /* be extra careful not to ever do anything after TRANSFER */ |
| 1608 | XSRETURN_YES; |
|
|
| 1609 | } |
1615 | } |
| 1610 | |
1616 | |
| 1611 | bool |
1617 | bool |
| 1612 | _destroy (SV *coro_sv) |
1618 | _destroy (SV *coro_sv) |
| 1613 | CODE: |
1619 | CODE: |
| … | |
… | |
| 1673 | |
1679 | |
| 1674 | { |
1680 | { |
| 1675 | dSP; |
1681 | dSP; |
| 1676 | ENTER; |
1682 | ENTER; |
| 1677 | SAVETMPS; |
1683 | SAVETMPS; |
|
|
1684 | PUTBACK; |
|
|
1685 | PUSHSTACK; |
| 1678 | PUSHMARK (SP); |
1686 | PUSHMARK (SP); |
| 1679 | PUTBACK; |
|
|
| 1680 | |
1687 | |
| 1681 | if (ix) |
1688 | if (ix) |
| 1682 | eval_sv (coderef, 0); |
1689 | eval_sv (coderef, 0); |
| 1683 | else |
1690 | else |
| 1684 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1691 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
| 1685 | |
1692 | |
|
|
1693 | POPSTACK; |
| 1686 | SPAGAIN; |
1694 | SPAGAIN; |
| 1687 | FREETMPS; |
1695 | FREETMPS; |
| 1688 | LEAVE; |
1696 | LEAVE; |
| 1689 | PUTBACK; |
1697 | PUTBACK; |
| 1690 | } |
1698 | } |
