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160 | |
160 | |
161 | static SV *on_next_submit; |
161 | static SV *on_next_submit; |
162 | static int next_pri = EIO_PRI_DEFAULT; |
162 | static int next_pri = EIO_PRI_DEFAULT; |
163 | static int max_outstanding; |
163 | static int max_outstanding; |
164 | |
164 | |
165 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
165 | static s_epipe respipe; |
166 | |
166 | |
167 | static void req_destroy (aio_req req); |
167 | static void req_destroy (aio_req req); |
168 | static void req_cancel (aio_req req); |
168 | static void req_cancel (aio_req req); |
169 | |
169 | |
170 | static void want_poll (void) |
170 | static void want_poll (void) |
171 | { |
171 | { |
172 | /* write a dummy byte to the pipe so fh becomes ready */ |
172 | /* write a dummy byte to the pipe so fh becomes ready */ |
173 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
173 | s_epipe_signal (&respipe); |
174 | } |
174 | } |
175 | |
175 | |
176 | static void done_poll (void) |
176 | static void done_poll (void) |
177 | { |
177 | { |
178 | /* read any signals sent by the worker threads */ |
178 | /* read any signals sent by the worker threads */ |
179 | char buf [4]; |
179 | s_epipe_drain (&respipe); |
180 | while (respipe_read (respipe [0], buf, 4) == 4) |
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181 | ; |
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182 | } |
180 | } |
183 | |
181 | |
184 | /* must be called at most once */ |
182 | /* must be called at most once */ |
185 | static SV *req_sv (aio_req req, const char *klass) |
183 | static SV *req_sv (aio_req req, const char *klass) |
186 | { |
184 | { |
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… | |
441 | grp->sv2 = 0; |
439 | grp->sv2 = 0; |
442 | |
440 | |
443 | eio_grp_cancel (grp); |
441 | eio_grp_cancel (grp); |
444 | } |
442 | } |
445 | |
443 | |
446 | #ifdef USE_SOCKETS_AS_HANDLES |
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447 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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448 | #else |
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449 | # define TO_SOCKET(x) (x) |
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450 | #endif |
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451 | |
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452 | static void |
444 | static void |
453 | create_respipe (void) |
445 | create_respipe (void) |
454 | { |
446 | { |
455 | int old_readfd = respipe [0]; |
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456 | |
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457 | if (respipe [1] >= 0) |
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458 | respipe_close (TO_SOCKET (respipe [1])); |
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459 | |
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460 | #ifdef _WIN32 |
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461 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
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462 | #else |
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463 | if (pipe (respipe)) |
447 | if (s_epipe_renew (&respipe)) |
464 | #endif |
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465 | croak ("unable to initialize result pipe"); |
448 | croak ("unable to initialize result pipe"); |
466 | |
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467 | if (old_readfd >= 0) |
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468 | { |
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469 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
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470 | croak ("unable to initialize result pipe(2)"); |
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471 | |
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472 | respipe_close (respipe [0]); |
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|
473 | respipe [0] = old_readfd; |
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474 | } |
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475 | |
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476 | #ifdef _WIN32 |
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477 | int arg = 1; |
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478 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
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479 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
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480 | #else |
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481 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
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482 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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483 | #endif |
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484 | croak ("unable to initialize result pipe(3)"); |
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485 | |
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486 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
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|
487 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
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488 | } |
449 | } |
489 | |
450 | |
490 | static void poll_wait (void) |
451 | static void poll_wait (void) |
491 | { |
452 | { |
492 | fd_set rfd; |
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|
493 | |
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|
494 | while (eio_nreqs ()) |
453 | while (eio_nreqs ()) |
495 | { |
454 | { |
496 | int size; |
455 | int size; |
497 | |
456 | |
498 | X_LOCK (reslock); |
457 | X_LOCK (reslock); |
… | |
… | |
502 | if (size) |
461 | if (size) |
503 | return; |
462 | return; |
504 | |
463 | |
505 | etp_maybe_start_thread (); |
464 | etp_maybe_start_thread (); |
506 | |
465 | |
507 | FD_ZERO (&rfd); |
466 | s_epipe_wait (&respipe); |
508 | FD_SET (respipe [0], &rfd); |
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|
509 | |
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510 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
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|
511 | } |
467 | } |
512 | } |
468 | } |
513 | |
469 | |
514 | static int poll_cb (void) |
470 | static int poll_cb (void) |
515 | { |
471 | { |
… | |
… | |
533 | } |
489 | } |
534 | |
490 | |
535 | static SV * |
491 | static SV * |
536 | get_cb (SV *cb_sv) |
492 | get_cb (SV *cb_sv) |
537 | { |
493 | { |
538 | HV *st; |
494 | SvGETMAGIC (cb_sv); |
539 | GV *gvp; |
495 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
540 | CV *cv; |
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541 | |
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542 | if (!SvOK (cb_sv)) |
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543 | return 0; |
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544 | |
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545 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
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546 | |
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547 | if (!cv) |
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548 | croak ("IO::AIO callback must be undef or a CODE reference"); |
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549 | |
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550 | return (SV *)cv; |
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551 | } |
496 | } |
552 | |
497 | |
553 | #define dREQ \ |
498 | #define dREQ \ |
554 | SV *cb_cv; \ |
499 | SV *cb_cv; \ |
555 | aio_req req; \ |
500 | aio_req req; \ |
… | |
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1130 | |
1075 | |
1131 | int |
1076 | int |
1132 | poll_fileno() |
1077 | poll_fileno() |
1133 | PROTOTYPE: |
1078 | PROTOTYPE: |
1134 | CODE: |
1079 | CODE: |
1135 | RETVAL = respipe [0]; |
1080 | RETVAL = s_epipe_fd (&respipe); |
1136 | OUTPUT: |
1081 | OUTPUT: |
1137 | RETVAL |
1082 | RETVAL |
1138 | |
1083 | |
1139 | int |
1084 | int |
1140 | poll_cb(...) |
1085 | poll_cb(...) |
… | |
… | |
1221 | if (GIMME_V != G_VOID) |
1166 | if (GIMME_V != G_VOID) |
1222 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1167 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1223 | |
1168 | |
1224 | if (items > 1) |
1169 | if (items > 1) |
1225 | { |
1170 | { |
1226 | SV *cb_cv = get_cb (callback); |
1171 | SV *cb_cv =get_cb (callback); |
1227 | |
1172 | |
1228 | SvREFCNT_dec (req->callback); |
1173 | SvREFCNT_dec (req->callback); |
1229 | req->callback = SvREFCNT_inc (cb_cv); |
1174 | req->callback = SvREFCNT_inc (cb_cv); |
1230 | } |
1175 | } |
1231 | } |
1176 | } |