1 | #define PERL_NO_GET_CONTEXT |
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2 | |
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3 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
4 | #include "perl.h" |
2 | #include "perl.h" |
5 | #include "XSUB.h" |
3 | #include "XSUB.h" |
6 | |
4 | |
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5 | #define _XOPEN_SOURCE 500 |
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6 | |
7 | #include <sys/types.h> |
7 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
8 | #include <sys/stat.h> |
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9 | |
9 | #include <unistd.h> |
10 | #include <unistd.h> |
10 | #include <fcntl.h> |
11 | #include <fcntl.h> |
11 | #include <signal.h> |
12 | #include <signal.h> |
12 | #include <sched.h> |
13 | #include <sched.h> |
13 | #include <endian.h> |
14 | #if __linux |
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15 | #include <sys/syscall.h> |
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16 | #endif |
14 | |
17 | |
15 | #include <pthread.h> |
18 | #include <pthread.h> |
16 | #include <sys/syscall.h> |
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17 | |
19 | |
18 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
19 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
22 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | |
23 | |
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… | |
77 | |
79 | |
78 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
80 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
79 | } |
81 | } |
80 | |
82 | |
81 | static int |
83 | static int |
82 | poll_cb (pTHX) |
84 | poll_cb () |
83 | { |
85 | { |
84 | dSP; |
86 | dSP; |
85 | int count = 0; |
87 | int count = 0; |
86 | aio_req req; |
88 | aio_req req; |
87 | |
89 | |
… | |
… | |
150 | |
152 | |
151 | PUSHMARK (SP); |
153 | PUSHMARK (SP); |
152 | XPUSHs (fh); |
154 | XPUSHs (fh); |
153 | } |
155 | } |
154 | |
156 | |
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157 | if (SvOK (req->callback)) |
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158 | { |
155 | PUTBACK; |
159 | PUTBACK; |
156 | call_sv (req->callback, G_VOID | G_EVAL); |
160 | call_sv (req->callback, G_VOID | G_EVAL); |
157 | SPAGAIN; |
161 | SPAGAIN; |
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162 | } |
158 | |
163 | |
159 | if (req->callback) |
164 | if (req->callback) |
160 | SvREFCNT_dec (req->callback); |
165 | SvREFCNT_dec (req->callback); |
161 | |
166 | |
162 | errno = errorno; |
167 | errno = errorno; |
… | |
… | |
227 | |
232 | |
228 | send_req (req); |
233 | send_req (req); |
229 | } |
234 | } |
230 | |
235 | |
231 | static void |
236 | static void |
232 | read_write (pTHX_ |
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233 | int dowrite, int fd, off_t offset, size_t length, |
237 | read_write (int dowrite, int fd, off_t offset, size_t length, |
234 | SV *data, STRLEN dataoffset, SV *callback) |
238 | SV *data, STRLEN dataoffset, SV *callback) |
235 | { |
239 | { |
236 | aio_req req; |
240 | aio_req req; |
237 | STRLEN svlen; |
241 | STRLEN svlen; |
238 | char *svptr = SvPV (data, svlen); |
242 | char *svptr = SvPV (data, svlen); |
… | |
… | |
309 | |
313 | |
310 | type = req->type; |
314 | type = req->type; |
311 | |
315 | |
312 | switch (type) |
316 | switch (type) |
313 | { |
317 | { |
314 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break; |
318 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
315 | case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break; |
319 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
316 | #if SYS_readahead |
320 | #if SYS_readahead |
317 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
321 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
318 | #else |
322 | #else |
319 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
323 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
320 | #endif |
324 | #endif |
… | |
… | |
364 | return 0; |
368 | return 0; |
365 | } |
369 | } |
366 | |
370 | |
367 | MODULE = IO::AIO PACKAGE = IO::AIO |
371 | MODULE = IO::AIO PACKAGE = IO::AIO |
368 | |
372 | |
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373 | PROTOTYPES: ENABLE |
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374 | |
369 | BOOT: |
375 | BOOT: |
370 | { |
376 | { |
371 | if (pipe (respipe)) |
377 | if (pipe (respipe)) |
372 | croak ("unable to initialize result pipe"); |
378 | croak ("unable to initialize result pipe"); |
373 | |
379 | |
… | |
… | |
400 | } |
406 | } |
401 | |
407 | |
402 | while (started > nthreads) |
408 | while (started > nthreads) |
403 | { |
409 | { |
404 | poll_wait (); |
410 | poll_wait (); |
405 | poll_cb (aTHX); |
411 | poll_cb (); |
406 | } |
412 | } |
407 | } |
413 | } |
408 | |
414 | |
409 | int |
415 | int |
410 | max_outstanding(nreqs) |
416 | max_outstanding(nreqs) |
… | |
… | |
413 | CODE: |
419 | CODE: |
414 | RETVAL = max_outstanding; |
420 | RETVAL = max_outstanding; |
415 | max_outstanding = nreqs; |
421 | max_outstanding = nreqs; |
416 | |
422 | |
417 | void |
423 | void |
418 | aio_open(pathname,flags,mode,callback) |
424 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
419 | SV * pathname |
425 | SV * pathname |
420 | int flags |
426 | int flags |
421 | int mode |
427 | int mode |
422 | SV * callback |
428 | SV * callback |
423 | PROTOTYPE: $$$$ |
429 | PROTOTYPE: $$$;$ |
424 | CODE: |
430 | CODE: |
425 | { |
431 | { |
426 | aio_req req; |
432 | aio_req req; |
427 | |
433 | |
428 | Newz (0, req, 1, aio_cb); |
434 | Newz (0, req, 1, aio_cb); |
… | |
… | |
439 | |
445 | |
440 | send_req (req); |
446 | send_req (req); |
441 | } |
447 | } |
442 | |
448 | |
443 | void |
449 | void |
444 | aio_close(fh,callback) |
450 | aio_close(fh,callback=&PL_sv_undef) |
445 | InputStream fh |
451 | InputStream fh |
446 | SV * callback |
452 | SV * callback |
447 | PROTOTYPE: $$ |
453 | PROTOTYPE: $;$ |
448 | ALIAS: |
454 | ALIAS: |
449 | aio_close = REQ_CLOSE |
455 | aio_close = REQ_CLOSE |
450 | aio_fsync = REQ_FSYNC |
456 | aio_fsync = REQ_FSYNC |
451 | aio_fdatasync = REQ_FDATASYNC |
457 | aio_fdatasync = REQ_FDATASYNC |
452 | CODE: |
458 | CODE: |
… | |
… | |
464 | |
470 | |
465 | send_req (req); |
471 | send_req (req); |
466 | } |
472 | } |
467 | |
473 | |
468 | void |
474 | void |
469 | aio_read(fh,offset,length,data,dataoffset,callback) |
475 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
470 | InputStream fh |
476 | InputStream fh |
471 | UV offset |
477 | UV offset |
472 | IV length |
478 | IV length |
473 | SV * data |
479 | SV * data |
474 | IV dataoffset |
480 | IV dataoffset |
475 | SV * callback |
481 | SV * callback |
476 | PROTOTYPE: $$$$$$ |
482 | PROTOTYPE: $$$$$;$ |
477 | CODE: |
483 | CODE: |
478 | read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
484 | read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
479 | |
485 | |
480 | void |
486 | void |
481 | aio_write(fh,offset,length,data,dataoffset,callback) |
487 | aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
482 | OutputStream fh |
488 | OutputStream fh |
483 | UV offset |
489 | UV offset |
484 | IV length |
490 | IV length |
485 | SV * data |
491 | SV * data |
486 | IV dataoffset |
492 | IV dataoffset |
487 | SV * callback |
493 | SV * callback |
488 | PROTOTYPE: $$$$$$ |
494 | PROTOTYPE: $$$$$;$ |
489 | CODE: |
495 | CODE: |
490 | read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
496 | read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
491 | |
497 | |
492 | void |
498 | void |
493 | aio_readahead(fh,offset,length,callback) |
499 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
494 | InputStream fh |
500 | InputStream fh |
495 | UV offset |
501 | UV offset |
496 | IV length |
502 | IV length |
497 | SV * callback |
503 | SV * callback |
498 | PROTOTYPE: $$$$ |
504 | PROTOTYPE: $$$;$ |
499 | CODE: |
505 | CODE: |
500 | { |
506 | { |
501 | aio_req req; |
507 | aio_req req; |
502 | |
508 | |
503 | if (length < 0) |
509 | if (length < 0) |
… | |
… | |
516 | |
522 | |
517 | send_req (req); |
523 | send_req (req); |
518 | } |
524 | } |
519 | |
525 | |
520 | void |
526 | void |
521 | aio_stat(fh_or_path,callback) |
527 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
522 | SV * fh_or_path |
528 | SV * fh_or_path |
523 | SV * callback |
529 | SV * callback |
524 | PROTOTYPE: $$ |
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525 | ALIAS: |
530 | ALIAS: |
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531 | aio_stat = REQ_STAT |
526 | aio_lstat = 1 |
532 | aio_lstat = REQ_LSTAT |
527 | CODE: |
533 | CODE: |
528 | { |
534 | { |
529 | aio_req req; |
535 | aio_req req; |
530 | |
536 | |
531 | Newz (0, req, 1, aio_cb); |
537 | Newz (0, req, 1, aio_cb); |
… | |
… | |
538 | if (!req->statdata) |
544 | if (!req->statdata) |
539 | croak ("out of memory during aio_req->statdata allocation"); |
545 | croak ("out of memory during aio_req->statdata allocation"); |
540 | |
546 | |
541 | if (SvPOK (fh_or_path)) |
547 | if (SvPOK (fh_or_path)) |
542 | { |
548 | { |
543 | req->type = ix ? REQ_LSTAT : REQ_STAT; |
549 | req->type = ix; |
544 | req->data = newSVsv (fh_or_path); |
550 | req->data = newSVsv (fh_or_path); |
545 | req->dataptr = SvPV_nolen (req->data); |
551 | req->dataptr = SvPV_nolen (req->data); |
546 | } |
552 | } |
547 | else |
553 | else |
548 | { |
554 | { |
… | |
… | |
554 | |
560 | |
555 | send_req (req); |
561 | send_req (req); |
556 | } |
562 | } |
557 | |
563 | |
558 | void |
564 | void |
559 | aio_unlink(pathname,callback) |
565 | aio_unlink(pathname,callback=&PL_sv_undef) |
560 | SV * pathname |
566 | SV * pathname |
561 | SV * callback |
567 | SV * callback |
562 | PROTOTYPE: $$ |
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563 | CODE: |
568 | CODE: |
564 | { |
569 | { |
565 | aio_req req; |
570 | aio_req req; |
566 | |
571 | |
567 | Newz (0, req, 1, aio_cb); |
572 | Newz (0, req, 1, aio_cb); |
… | |
… | |
575 | req->callback = SvREFCNT_inc (callback); |
580 | req->callback = SvREFCNT_inc (callback); |
576 | |
581 | |
577 | send_req (req); |
582 | send_req (req); |
578 | } |
583 | } |
579 | |
584 | |
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585 | void |
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586 | flush() |
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587 | PROTOTYPE: |
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588 | CODE: |
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589 | while (nreqs) |
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590 | { |
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591 | poll_wait (); |
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592 | poll_cb (); |
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593 | } |
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594 | |
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595 | void |
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596 | poll() |
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597 | PROTOTYPE: |
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598 | CODE: |
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599 | if (nreqs) |
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600 | { |
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601 | poll_wait (); |
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602 | poll_cb (); |
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603 | } |
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604 | |
580 | int |
605 | int |
581 | poll_fileno() |
606 | poll_fileno() |
582 | PROTOTYPE: |
607 | PROTOTYPE: |
583 | CODE: |
608 | CODE: |
584 | RETVAL = respipe [0]; |
609 | RETVAL = respipe [0]; |
… | |
… | |
587 | |
612 | |
588 | int |
613 | int |
589 | poll_cb(...) |
614 | poll_cb(...) |
590 | PROTOTYPE: |
615 | PROTOTYPE: |
591 | CODE: |
616 | CODE: |
592 | RETVAL = poll_cb (aTHX); |
617 | RETVAL = poll_cb (); |
593 | OUTPUT: |
618 | OUTPUT: |
594 | RETVAL |
619 | RETVAL |
595 | |
620 | |
596 | void |
621 | void |
597 | poll_wait() |
622 | poll_wait() |