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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.4 by root, Sun Jul 10 20:57:00 2005 UTC vs.
Revision 1.10 by root, Wed Jul 13 00:13:09 2005 UTC

1#define PERL_NO_GET_CONTEXT
2
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
5#define _XOPEN_SOURCE 500
6
7#include <sys/types.h> 7#include <sys/types.h>
8#include <sys/stat.h> 8#include <sys/stat.h>
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
15#include <sys/syscall.h>
16#endif
14 17
15#include <pthread.h> 18#include <pthread.h>
16#include <sys/syscall.h>
17 19
18typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 20typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */
19typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 21typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */
20typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ 22typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */
21 23
… …
77 79
78 select (respipe [0] + 1, &rfd, 0, 0, 0); 80 select (respipe [0] + 1, &rfd, 0, 0, 0);
79} 81}
80 82
81static int 83static int
82poll_cb (pTHX) 84poll_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
157 if (SvOK (req->callback))
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;
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
231static void 236static void
232read_write (pTHX_
233 int dowrite, int fd, off_t offset, size_t length, 237read_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
367MODULE = IO::AIO PACKAGE = IO::AIO 371MODULE = IO::AIO PACKAGE = IO::AIO
368 372
373PROTOTYPES: ENABLE
374
369BOOT: 375BOOT:
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
409int 415int
410max_outstanding(nreqs) 416max_outstanding(nreqs)
… …
413 CODE: 419 CODE:
414 RETVAL = max_outstanding; 420 RETVAL = max_outstanding;
415 max_outstanding = nreqs; 421 max_outstanding = nreqs;
416 422
417void 423void
418aio_open(pathname,flags,mode,callback) 424aio_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
443void 449void
444aio_close(fh,callback) 450aio_close(fh,callback=&PL_sv_undef)
445 InputStream fh 451 InputStream fh
446 SV * callback 452 SV * callback
447 PROTOTYPE: $$ 453 PROTOTYPE: $;$
448 ALIAS: 454 ALIAS:
449 aio_close = REQ_CLOSE 455 aio_close = REQ_CLOSE
450 aio_fsync = REQ_FSYNC 456 aio_fsync = REQ_FSYNC
451 aio_fdatasync = REQ_FDATASYNC 457 aio_fdatasync = REQ_FDATASYNC
452 CODE: 458 CODE:
… …
464 470
465 send_req (req); 471 send_req (req);
466} 472}
467 473
468void 474void
469aio_read(fh,offset,length,data,dataoffset,callback) 475aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
470 InputStream fh 476 InputStream fh
471 UV offset 477 UV offset
472 IV length 478 IV length
473 SV * data 479 SV * data
474 IV dataoffset 480 IV dataoffset
475 SV * callback 481 SV * callback
476 PROTOTYPE: $$$$$$ 482 PROTOTYPE: $$$$$;$
477 CODE: 483 CODE:
478 read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); 484 read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
479 485
480void 486void
481aio_write(fh,offset,length,data,dataoffset,callback) 487aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
482 OutputStream fh 488 OutputStream fh
483 UV offset 489 UV offset
484 IV length 490 IV length
485 SV * data 491 SV * data
486 IV dataoffset 492 IV dataoffset
487 SV * callback 493 SV * callback
488 PROTOTYPE: $$$$$$ 494 PROTOTYPE: $$$$$;$
489 CODE: 495 CODE:
490 read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); 496 read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
491 497
492void 498void
493aio_readahead(fh,offset,length,callback) 499aio_readahead(fh,offset,length,callback=&PL_sv_undef)
494 InputStream fh 500 InputStream fh
495 UV offset 501 UV offset
496 IV length 502 IV length
497 SV * callback 503 SV * callback
498 PROTOTYPE: $$$$ 504 PROTOTYPE: $$$;$
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
520void 526void
521aio_stat(fh_or_path,callback) 527aio_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: $$
525 ALIAS: 530 ALIAS:
531 aio_stat = REQ_STAT
526 aio_lstat = 1 532 aio_lstat = REQ_LSTAT
527 CODE: 533 CODE:
528{ 534{
529 aio_req req; 535 aio_req req;
530 536
531 Newz (0, req, 1, aio_cb); 537 Newz (0, req, 1, aio_cb);
… …
538 if (!req->statdata) 544 if (!req->statdata)
539 croak ("out of memory during aio_req->statdata allocation"); 545 croak ("out of memory during aio_req->statdata allocation");
540 546
541 if (SvPOK (fh_or_path)) 547 if (SvPOK (fh_or_path))
542 { 548 {
543 req->type = ix ? REQ_LSTAT : REQ_STAT; 549 req->type = ix;
544 req->data = newSVsv (fh_or_path); 550 req->data = newSVsv (fh_or_path);
545 req->dataptr = SvPV_nolen (req->data); 551 req->dataptr = SvPV_nolen (req->data);
546 } 552 }
547 else 553 else
548 { 554 {
… …
554 560
555 send_req (req); 561 send_req (req);
556} 562}
557 563
558void 564void
559aio_unlink(pathname,callback) 565aio_unlink(pathname,callback=&PL_sv_undef)
560 SV * pathname 566 SV * pathname
561 SV * callback 567 SV * callback
562 PROTOTYPE: $$
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
585void
586flush()
587 PROTOTYPE:
588 CODE:
589 while (nreqs)
590 {
591 poll_wait ();
592 poll_cb ();
593 }
594
595void
596poll()
597 PROTOTYPE:
598 CODE:
599 if (nreqs)
600 {
601 poll_wait ();
602 poll_cb ();
603 }
604
580int 605int
581poll_fileno() 606poll_fileno()
582 PROTOTYPE: 607 PROTOTYPE:
583 CODE: 608 CODE:
584 RETVAL = respipe [0]; 609 RETVAL = respipe [0];
… …
587 612
588int 613int
589poll_cb(...) 614poll_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
596void 621void
597poll_wait() 622poll_wait()

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