… | |
… | |
261 | /* this is a structure representing a perl-level coroutine */ |
261 | /* this is a structure representing a perl-level coroutine */ |
262 | struct coro { |
262 | struct coro { |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
264 | coro_cctx *cctx; |
264 | coro_cctx *cctx; |
265 | |
265 | |
|
|
266 | /* ready queue */ |
|
|
267 | struct coro *next_ready; |
|
|
268 | |
266 | /* state data */ |
269 | /* state data */ |
267 | struct CoroSLF slf_frame; /* saved slf frame */ |
270 | struct CoroSLF slf_frame; /* saved slf frame */ |
268 | AV *mainstack; |
271 | AV *mainstack; |
269 | perl_slots *slot; /* basically the saved sp */ |
272 | perl_slots *slot; /* basically the saved sp */ |
270 | |
273 | |
… | |
… | |
314 | #define PRIO_MIN -4 |
317 | #define PRIO_MIN -4 |
315 | |
318 | |
316 | /* for Coro.pm */ |
319 | /* for Coro.pm */ |
317 | static SV *coro_current; |
320 | static SV *coro_current; |
318 | static SV *coro_readyhook; |
321 | static SV *coro_readyhook; |
319 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
322 | static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */ |
320 | static CV *cv_coro_run, *cv_coro_terminate; |
323 | static CV *cv_coro_run, *cv_coro_terminate; |
321 | static struct coro *coro_first; |
324 | static struct coro *coro_first; |
322 | #define coro_nready coroapi.nready |
325 | #define coro_nready coroapi.nready |
323 | |
326 | |
324 | /** lowlevel stuff **********************************************************/ |
327 | /** lowlevel stuff **********************************************************/ |
… | |
… | |
1612 | /** Coro ********************************************************************/ |
1615 | /** Coro ********************************************************************/ |
1613 | |
1616 | |
1614 | INLINE void |
1617 | INLINE void |
1615 | coro_enq (pTHX_ struct coro *coro) |
1618 | coro_enq (pTHX_ struct coro *coro) |
1616 | { |
1619 | { |
1617 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1620 | struct coro **ready = coro_ready [coro->prio - PRIO_MIN]; |
1618 | } |
|
|
1619 | |
1621 | |
1620 | INLINE SV * |
1622 | SvREFCNT_inc_NN (coro->hv); |
|
|
1623 | |
|
|
1624 | coro->next_ready = 0; |
|
|
1625 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1626 | ready [1] = coro; |
|
|
1627 | } |
|
|
1628 | |
|
|
1629 | INLINE struct coro * |
1621 | coro_deq (pTHX) |
1630 | coro_deq (pTHX) |
1622 | { |
1631 | { |
1623 | int prio; |
1632 | int prio; |
1624 | |
1633 | |
1625 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1634 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1626 | if (AvFILLp (coro_ready [prio]) >= 0) |
1635 | { |
1627 | return av_shift (coro_ready [prio]); |
1636 | struct coro **ready = coro_ready [prio]; |
1628 | |
1637 | |
1629 | return 0; |
1638 | if (ready [0]) |
|
|
1639 | { |
|
|
1640 | struct coro *coro = ready [0]; |
|
|
1641 | ready [0] = coro->next_ready; |
|
|
1642 | return coro; |
|
|
1643 | } |
|
|
1644 | } |
1630 | } |
1645 | } |
1631 | |
1646 | |
1632 | static int |
1647 | static int |
1633 | api_ready (pTHX_ SV *coro_sv) |
1648 | api_ready (pTHX_ SV *coro_sv) |
1634 | { |
1649 | { |
… | |
… | |
1696 | static void |
1711 | static void |
1697 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1712 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1698 | { |
1713 | { |
1699 | for (;;) |
1714 | for (;;) |
1700 | { |
1715 | { |
1701 | SV *next_sv = coro_deq (aTHX); |
1716 | struct coro *next = coro_deq (aTHX); |
1702 | |
1717 | |
1703 | if (expect_true (next_sv)) |
1718 | if (expect_true (next)) |
1704 | { |
1719 | { |
1705 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1706 | |
|
|
1707 | /* cannot transfer to destroyed coros, skip and look for next */ |
1720 | /* cannot transfer to destroyed coros, skip and look for next */ |
1708 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1721 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1709 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1722 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1710 | else |
1723 | else |
1711 | { |
1724 | { |
1712 | next->flags &= ~CF_READY; |
1725 | next->flags &= ~CF_READY; |
1713 | --coro_nready; |
1726 | --coro_nready; |
1714 | |
1727 | |
… | |
… | |
3232 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3245 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3233 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3246 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3234 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3247 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3235 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3248 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3236 | |
3249 | |
3237 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3238 | coro_ready[i] = newAV (); |
|
|
3239 | |
|
|
3240 | { |
3250 | { |
3241 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3251 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3242 | |
3252 | |
3243 | coroapi.schedule = api_schedule; |
3253 | coroapi.schedule = api_schedule; |
3244 | coroapi.schedule_to = api_schedule_to; |
3254 | coroapi.schedule_to = api_schedule_to; |