ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Linux-AIO/AIO.xs
(Generate patch)

Comparing Linux-AIO/AIO.xs (file contents):
Revision 1.29 by root, Sat Jul 9 22:45:06 2005 UTC vs.
Revision 1.32 by root, Tue Jul 12 10:51:09 2005 UTC

… …
169} 169}
170 170
171static void 171static void
172poll_wait () 172poll_wait ()
173{ 173{
174 if (!nreqs)
175 return;
176
174 fd_set rfd; 177 fd_set rfd;
175 FD_ZERO(&rfd); 178 FD_ZERO(&rfd);
176 FD_SET(respipe[0], &rfd); 179 FD_SET(respipe[0], &rfd);
177 180
178 select (respipe[0] + 1, &rfd, 0, 0, 0); 181 select (respipe[0] + 1, &rfd, 0, 0, 0);
… …
238} 241}
239 242
240static sigset_t fullsigset; 243static sigset_t fullsigset;
241 244
242#undef errno 245#undef errno
243#include <asm/unistd.h> 246#include <linux/unistd.h>
244#include <linux/types.h> 247#include <linux/types.h>
245#include <sys/prctl.h> 248#include <sys/prctl.h>
246 249
247#if __alpha || __ia64 || __hppa || __v850__ 250#if __alpha || __ia64 || __hppa || __v850__
248# define stat kernelstat 251# define stat kernelstat
… …
284 287
285 _syscall3(long, open, char *, pathname, int, flags, int, mode) 288 _syscall3(long, open, char *, pathname, int, flags, int, mode)
286 _syscall1(long, close, unsigned int, fd) 289 _syscall1(long, close, unsigned int, fd)
287 _syscall1(long, unlink, char *, filename); 290 _syscall1(long, unlink, char *, filename);
288 _syscall1(long, fsync, unsigned int, fd); 291 _syscall1(long, fsync, unsigned int, fd);
292
293#ifndef __NR_fdatasync
294# define __NR_fdatasync __NR_fsync
295#endif
289 _syscall1(long, fdatasync, unsigned int, fd); 296 _syscall1(long, fdatasync, unsigned int, fd);
290 297
291#if BYTE_ORDER == LITTLE_ENDIAN 298#if BYTE_ORDER == LITTLE_ENDIAN
292# define LOFF_ARG(off) (off & 0xffffffff), (off >> 32) 299# define LOFF_ARG(off) (off & 0xffffffff), (off >> 32)
293#elif BYTE_ORDER == BIG_ENDIAN 300#elif BYTE_ORDER == BIG_ENDIAN
… …
398void 405void
399max_parallel(nthreads) 406max_parallel(nthreads)
400 int nthreads 407 int nthreads
401 PROTOTYPE: $ 408 PROTOTYPE: $
402 CODE: 409 CODE:
410{
403 int cur = started; 411 int cur = started;
404 while (cur > nthreads) 412 while (cur > nthreads)
405 { 413 {
406 end_thread (); 414 end_thread ();
407 cur--; 415 cur--;
… …
410 while (started > nthreads) 418 while (started > nthreads)
411 { 419 {
412 poll_wait (); 420 poll_wait ();
413 poll_cb (aTHX); 421 poll_cb (aTHX);
414 } 422 }
423}
415 424
416void 425void
417aio_open(pathname,flags,mode,callback) 426aio_open(pathname,flags,mode,callback)
418 SV * pathname 427 SV * pathname
419 int flags 428 int flags
420 int mode 429 int mode
421 SV * callback 430 SV * callback
422 PROTOTYPE: $$$$ 431 PROTOTYPE: $$$$
423 CODE: 432 CODE:
433{
424 aio_req req; 434 aio_req req;
425 435
426 Newz (0, req, 1, aio_cb); 436 Newz (0, req, 1, aio_cb);
427 437
428 if (!req) 438 if (!req)
… …
434 req->fd = flags; 444 req->fd = flags;
435 req->mode = mode; 445 req->mode = mode;
436 req->callback = SvREFCNT_inc (callback); 446 req->callback = SvREFCNT_inc (callback);
437 447
438 send_req (req); 448 send_req (req);
449}
439 450
440void 451void
441aio_close(fh,callback) 452aio_close(fh,callback)
442 InputStream fh 453 InputStream fh
443 SV * callback 454 SV * callback
… …
445 ALIAS: 456 ALIAS:
446 aio_close = REQ_CLOSE 457 aio_close = REQ_CLOSE
447 aio_fsync = REQ_FSYNC 458 aio_fsync = REQ_FSYNC
448 aio_fdatasync = REQ_FDATASYNC 459 aio_fdatasync = REQ_FDATASYNC
449 CODE: 460 CODE:
461{
450 aio_req req; 462 aio_req req;
451 463
452 Newz (0, req, 1, aio_cb); 464 Newz (0, req, 1, aio_cb);
453 465
454 if (!req) 466 if (!req)
… …
457 req->type = ix; 469 req->type = ix;
458 req->fd = PerlIO_fileno (fh); 470 req->fd = PerlIO_fileno (fh);
459 req->callback = SvREFCNT_inc (callback); 471 req->callback = SvREFCNT_inc (callback);
460 472
461 send_req (req); 473 send_req (req);
474}
462 475
463void 476void
464aio_read(fh,offset,length,data,dataoffset,callback) 477aio_read(fh,offset,length,data,dataoffset,callback)
465 InputStream fh 478 InputStream fh
466 UV offset 479 UV offset
… …
483 PROTOTYPE: $$$$$$ 496 PROTOTYPE: $$$$$$
484 CODE: 497 CODE:
485 read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); 498 read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
486 499
487void 500void
501aio_readahead(fh,offset,length,callback)
502 InputStream fh
503 UV offset
504 IV length
505 SV * callback
506 PROTOTYPE: $$$$
507 CODE:
508{
509 aio_req req;
510
511 if (length < 0)
512 croak ("length must not be negative");
513
514 Newz (0, req, 1, aio_cb);
515
516 if (!req)
517 croak ("out of memory during aio_req allocation");
518
519 req->type = REQ_READAHEAD;
520 req->fd = PerlIO_fileno (fh);
521 req->offset = offset;
522 req->length = length;
523 req->callback = SvREFCNT_inc (callback);
524
525 send_req (req);
526}
527
528void
488aio_stat(fh_or_path,callback) 529aio_stat(fh_or_path,callback)
489 SV * fh_or_path 530 SV * fh_or_path
490 SV * callback 531 SV * callback
491 PROTOTYPE: $$ 532 PROTOTYPE: $$
492 ALIAS: 533 ALIAS:
493 aio_lstat = 1 534 aio_lstat = 1
494 CODE: 535 CODE:
536{
495 aio_req req; 537 aio_req req;
496 538
497 Newz (0, req, 1, aio_cb); 539 Newz (0, req, 1, aio_cb);
498 540
499 if (!req) 541 if (!req)
… …
517 } 559 }
518 560
519 req->callback = SvREFCNT_inc (callback); 561 req->callback = SvREFCNT_inc (callback);
520 562
521 send_req (req); 563 send_req (req);
564}
522 565
523void 566void
524aio_unlink(pathname,callback) 567aio_unlink(pathname,callback)
525 SV * pathname 568 SV * pathname
526 SV * callback 569 SV * callback
527 PROTOTYPE: $$ 570 PROTOTYPE: $$
528 CODE: 571 CODE:
572{
529 aio_req req; 573 aio_req req;
530 574
531 Newz (0, req, 1, aio_cb); 575 Newz (0, req, 1, aio_cb);
532 576
533 if (!req) 577 if (!req)
… …
537 req->data = newSVsv (pathname); 581 req->data = newSVsv (pathname);
538 req->dataptr = SvPV_nolen (req->data); 582 req->dataptr = SvPV_nolen (req->data);
539 req->callback = SvREFCNT_inc (callback); 583 req->callback = SvREFCNT_inc (callback);
540 584
541 send_req (req); 585 send_req (req);
586}
542 587
543int 588int
544poll_fileno() 589poll_fileno()
545 PROTOTYPE: 590 PROTOTYPE:
546 CODE: 591 CODE:

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines