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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.31 by root, Thu Aug 18 16:34:53 2005 UTC vs.
Revision 1.40 by root, Sat Jun 24 16:27:02 2006 UTC

… …
5#include "perl.h" 5#include "perl.h"
6#include "XSUB.h" 6#include "XSUB.h"
7 7
8#include "autoconf/config.h" 8#include "autoconf/config.h"
9 9
10#include <pthread.h>
11
12#include <stddef.h>
10#include <sys/types.h> 13#include <sys/types.h>
11#include <sys/stat.h> 14#include <sys/stat.h>
12 15#include <limits.h>
13#include <unistd.h> 16#include <unistd.h>
14#include <fcntl.h> 17#include <fcntl.h>
15#include <signal.h> 18#include <signal.h>
16#include <sched.h> 19#include <sched.h>
17 20
18#include <pthread.h> 21#if HAVE_SENDFILE
22# if __linux
23# include <sys/sendfile.h>
24# elif __freebsd
25# include <sys/socket.h>
26# include <sys/uio.h>
27# elif __hpux
28# include <sys/socket.h>
29# elif __solaris /* not yet */
30# include <sys/sendfile.h>
31# else
32# error sendfile support requested but not available
33# endif
34#endif
19 35
20typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 36/* used for struct dirent, AIX doesn't provide it */
21typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 37#ifndef NAME_MAX
22typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ 38# define NAME_MAX 4096
39#endif
23 40
24#if __ia64 41#if __ia64
25# define STACKSIZE 65536 42# define STACKSIZE 65536
26#else 43#else
27# define STACKSIZE 4096 44# define STACKSIZE 8192
28#endif 45#endif
29 46
30enum { 47enum {
31 REQ_QUIT, 48 REQ_QUIT,
32 REQ_OPEN, REQ_CLOSE, 49 REQ_OPEN, REQ_CLOSE,
33 REQ_READ, REQ_WRITE, REQ_READAHEAD, 50 REQ_READ, REQ_WRITE, REQ_READAHEAD,
51 REQ_SENDFILE,
34 REQ_STAT, REQ_LSTAT, REQ_FSTAT, 52 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
35 REQ_FSYNC, REQ_FDATASYNC, 53 REQ_FSYNC, REQ_FDATASYNC,
36 REQ_UNLINK, REQ_RMDIR, 54 REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
37 REQ_SYMLINK, 55 REQ_READDIR,
56 REQ_LINK, REQ_SYMLINK,
38}; 57};
39 58
40typedef struct aio_cb { 59typedef struct aio_cb {
41 struct aio_cb *volatile next; 60 struct aio_cb *volatile next;
42 61
43 int type; 62 int type;
44 63
64 /* should receive a cleanup, with unions */
45 int fd; 65 int fd, fd2;
46 off_t offset; 66 off_t offset;
47 size_t length; 67 size_t length;
48 ssize_t result; 68 ssize_t result;
49 mode_t mode; /* open */ 69 mode_t mode; /* open */
50 int errorno; 70 int errorno;
51 SV *data, *callback, *fh; 71 SV *data, *callback;
72 SV *fh, *fh2;
52 void *dataptr, *data2ptr; 73 void *dataptr, *data2ptr;
53 STRLEN dataoffset; 74 STRLEN dataoffset;
54 75
55 Stat_t *statdata; 76 Stat_t *statdata;
56} aio_cb; 77} aio_cb;
… …
75 SvREFCNT_dec (req->data); 96 SvREFCNT_dec (req->data);
76 97
77 if (req->fh) 98 if (req->fh)
78 SvREFCNT_dec (req->fh); 99 SvREFCNT_dec (req->fh);
79 100
101 if (req->fh2)
102 SvREFCNT_dec (req->fh2);
103
80 if (req->statdata) 104 if (req->statdata)
81 Safefree (req->statdata); 105 Safefree (req->statdata);
82 106
83 if (req->callback) 107 if (req->callback)
84 SvREFCNT_dec (req->callback); 108 SvREFCNT_dec (req->callback);
109
110 if (req->type == REQ_READDIR && req->result >= 0)
111 free (req->data2ptr);
85 112
86 Safefree (req); 113 Safefree (req);
87} 114}
88 115
89static void 116static void
… …
154 PL_statcache = *(req->statdata); 181 PL_statcache = *(req->statdata);
155 } 182 }
156 183
157 ENTER; 184 ENTER;
158 PUSHMARK (SP); 185 PUSHMARK (SP);
159 XPUSHs (sv_2mortal (newSViv (req->result)));
160 186
161 if (req->type == REQ_OPEN) 187 if (req->type == REQ_READDIR)
162 { 188 {
189 SV *rv = &PL_sv_undef;
190
191 if (req->result >= 0)
192 {
193 char *buf = req->data2ptr;
194 AV *av = newAV ();
195
196 while (req->result)
197 {
198 SV *sv = newSVpv (buf, 0);
199
200 av_push (av, sv);
201 buf += SvCUR (sv) + 1;
202 req->result--;
203 }
204
205 rv = sv_2mortal (newRV_noinc ((SV *)av));
206 }
207
208 XPUSHs (rv);
209 }
210 else
211 {
212 XPUSHs (sv_2mortal (newSViv (req->result)));
213
214 if (req->type == REQ_OPEN)
215 {
163 /* convert fd to fh */ 216 /* convert fd to fh */
164 SV *fh; 217 SV *fh;
165 218
166 PUTBACK; 219 PUTBACK;
167 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 220 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
168 SPAGAIN; 221 SPAGAIN;
169 222
170 fh = SvREFCNT_inc (POPs); 223 fh = SvREFCNT_inc (POPs);
171 224
172 PUSHMARK (SP); 225 PUSHMARK (SP);
173 XPUSHs (sv_2mortal (fh)); 226 XPUSHs (sv_2mortal (fh));
227 }
174 } 228 }
175 229
176 if (SvOK (req->callback)) 230 if (SvOK (req->callback))
177 { 231 {
178 PUTBACK; 232 PUTBACK;
… …
301 355
302 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) 356 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
303 croak ("cannot set result pipe to nonblocking mode"); 357 croak ("cannot set result pipe to nonblocking mode");
304} 358}
305 359
306static void atfork_prepare (void)
307{
308 pthread_mutex_lock (&reqlock);
309 pthread_mutex_lock (&reslock);
310}
311
312static void atfork_parent (void)
313{
314 pthread_mutex_unlock (&reslock);
315 pthread_mutex_unlock (&reqlock);
316}
317
318static void atfork_child (void)
319{
320 aio_req prv;
321
322 started = 0;
323
324 while (reqs)
325 {
326 prv = reqs;
327 reqs = prv->next;
328 free_req (prv);
329 }
330
331 reqs = reqe = 0;
332
333 while (ress)
334 {
335 prv = ress;
336 ress = prv->next;
337 free_req (prv);
338 }
339
340 ress = rese = 0;
341
342 close (respipe [0]);
343 close (respipe [1]);
344 create_pipe ();
345
346 atfork_parent ();
347}
348
349/*****************************************************************************/ 360/*****************************************************************************/
350/* work around various missing functions */ 361/* work around various missing functions */
351 362
352#if !HAVE_PREADWRITE 363#if !HAVE_PREADWRITE
353# define pread aio_pread 364# define pread aio_pread
… …
356/* 367/*
357 * make our pread/pwrite safe against themselves, but not against 368 * make our pread/pwrite safe against themselves, but not against
358 * normal read/write by using a mutex. slows down execution a lot, 369 * normal read/write by using a mutex. slows down execution a lot,
359 * but that's your problem, not mine. 370 * but that's your problem, not mine.
360 */ 371 */
361static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; 372static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
362 373
363static ssize_t 374static ssize_t
364pread (int fd, void *buf, size_t count, off_t offset) 375pread (int fd, void *buf, size_t count, off_t offset)
365{ 376{
366 ssize_t res; 377 ssize_t res;
367 off_t ooffset; 378 off_t ooffset;
368 379
369 pthread_mutex_lock (&iolock); 380 pthread_mutex_lock (&preadwritelock);
370 ooffset = lseek (fd, 0, SEEK_CUR); 381 ooffset = lseek (fd, 0, SEEK_CUR);
371 lseek (fd, offset, SEEK_SET); 382 lseek (fd, offset, SEEK_SET);
372 res = read (fd, buf, count); 383 res = read (fd, buf, count);
373 lseek (fd, ooffset, SEEK_SET); 384 lseek (fd, ooffset, SEEK_SET);
374 pthread_mutex_unlock (&iolock); 385 pthread_mutex_unlock (&preadwritelock);
375 386
376 return res; 387 return res;
377} 388}
378 389
379static ssize_t 390static ssize_t
380pwrite (int fd, void *buf, size_t count, off_t offset) 391pwrite (int fd, void *buf, size_t count, off_t offset)
381{ 392{
382 ssize_t res; 393 ssize_t res;
383 off_t ooffset; 394 off_t ooffset;
384 395
385 pthread_mutex_lock (&iolock); 396 pthread_mutex_lock (&preadwritelock);
386 ooffset = lseek (fd, 0, SEEK_CUR); 397 ooffset = lseek (fd, 0, SEEK_CUR);
387 lseek (fd, offset, SEEK_SET); 398 lseek (fd, offset, SEEK_SET);
388 res = write (fd, buf, count); 399 res = write (fd, buf, count);
389 lseek (fd, offset, SEEK_SET); 400 lseek (fd, offset, SEEK_SET);
390 pthread_mutex_unlock (&iolock); 401 pthread_mutex_unlock (&preadwritelock);
391 402
392 return res; 403 return res;
393} 404}
394#endif 405#endif
395 406
… …
398#endif 409#endif
399 410
400#if !HAVE_READAHEAD 411#if !HAVE_READAHEAD
401# define readahead aio_readahead 412# define readahead aio_readahead
402 413
403static char readahead_buf[4096];
404
405static ssize_t 414static ssize_t
406readahead (int fd, off_t offset, size_t count) 415readahead (int fd, off_t offset, size_t count)
407{ 416{
417 char readahead_buf[4096];
418
408 while (count > 0) 419 while (count > 0)
409 { 420 {
410 size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); 421 size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
411 422
412 pread (fd, readahead_buf, len, offset); 423 pread (fd, readahead_buf, len, offset);
… …
415 } 426 }
416 427
417 errno = 0; 428 errno = 0;
418} 429}
419#endif 430#endif
431
432#if !HAVE_READDIR_R
433# define readdir_r aio_readdir_r
434
435static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436
437static int
438readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
439{
440 struct dirent *e;
441 int errorno;
442
443 pthread_mutex_lock (&readdirlock);
444
445 e = readdir (dirp);
446 errorno = errno;
447
448 if (e)
449 {
450 *res = ent;
451 strcpy (ent->d_name, e->d_name);
452 }
453 else
454 *res = 0;
455
456 pthread_mutex_unlock (&readdirlock);
457
458 errno = errorno;
459 return e ? 0 : -1;
460}
461#endif
462
463/* sendfile always needs emulation */
464static ssize_t
465sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466{
467 ssize_t res;
468
469 if (!count)
470 return 0;
471
472#if HAVE_SENDFILE
473# if __linux
474 res = sendfile (ofd, ifd, &offset, count);
475
476# elif __freebsd
477 /*
478 * Of course, the freebsd sendfile is a dire hack with no thoughts
479 * wasted on making it similar to other I/O functions.
480 */
481 {
482 off_t sbytes;
483 res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0);
484
485 if (res < 0 && sbytes)
486 /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */
487 res = sbytes;
488 }
489
490# elif __hpux
491 res = sendfile (ofd, ifd, offset, count, 0, 0);
492
493# elif __solaris
494 {
495 struct sendfilevec vec;
496 size_t sbytes;
497
498 vec.sfv_fd = ifd;
499 vec.sfv_flag = 0;
500 vec.sfv_off = offset;
501 vec.sfv_len = count;
502
503 res = sendfilev (ofd, &vec, 1, &sbytes);
504
505 if (res < 0 && sbytes)
506 res = sbytes;
507 }
508
509# endif
510#else
511 res = -1;
512 errno = ENOSYS;
513#endif
514
515 if (res < 0
516 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK
517#if __solaris
518 || errno == EAFNOSUPPORT || errno == EPROTOTYPE
519#endif
520 )
521 )
522 {
523 /* emulate sendfile. this is a major pain in the ass */
524 char buf[4096];
525 res = 0;
526
527 while (count)
528 {
529 ssize_t cnt;
530
531 cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);
532
533 if (cnt <= 0)
534 {
535 if (cnt && !res) res = -1;
536 break;
537 }
538
539 cnt = write (ofd, buf, cnt);
540
541 if (cnt <= 0)
542 {
543 if (cnt && !res) res = -1;
544 break;
545 }
546
547 offset += cnt;
548 res += cnt;
549 count -= cnt;
550 }
551 }
552
553 return res;
554}
555
556/* read a full directory */
557static int
558scandir_ (const char *path, void **namesp)
559{
560 DIR *dirp = opendir (path);
561 union
562 {
563 struct dirent d;
564 char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];
565 } u;
566 struct dirent *entp;
567 char *name, *names;
568 int memlen = 4096;
569 int memofs = 0;
570 int res = 0;
571 int errorno;
572
573 if (!dirp)
574 return -1;
575
576 names = malloc (memlen);
577
578 for (;;)
579 {
580 errno = 0, readdir_r (dirp, &u.d, &entp);
581
582 if (!entp)
583 break;
584
585 name = entp->d_name;
586
587 if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2])))
588 {
589 int len = strlen (name) + 1;
590
591 res++;
592
593 while (memofs + len > memlen)
594 {
595 memlen *= 2;
596 names = realloc (names, memlen);
597 if (!names)
598 break;
599 }
600
601 memcpy (names + memofs, name, len);
602 memofs += len;
603 }
604 }
605
606 errorno = errno;
607 closedir (dirp);
608
609 if (errorno)
610 {
611 free (names);
612 errno = errorno;
613 res = -1;
614 }
615
616 *namesp = (void *)names;
617 return res;
618}
420 619
421/*****************************************************************************/ 620/*****************************************************************************/
422 621
423static void * 622static void *
424aio_proc (void *thr_arg) 623aio_proc (void *thr_arg)
… …
456 { 655 {
457 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 656 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
458 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; 657 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
459 658
460 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; 659 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
660 case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
461 661
462 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 662 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
463 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 663 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
464 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 664 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
465 665
466 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; 666 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
467 case REQ_CLOSE: req->result = close (req->fd); break; 667 case REQ_CLOSE: req->result = close (req->fd); break;
468 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 668 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
469 case REQ_RMDIR: req->result = rmdir (req->dataptr); break; 669 case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
670 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
671 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
470 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 672 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
471 673
472 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 674 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
473 case REQ_FSYNC: req->result = fsync (req->fd); break; 675 case REQ_FSYNC: req->result = fsync (req->fd); break;
676 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
474 677
475 case REQ_QUIT: 678 case REQ_QUIT:
476 break; 679 break;
477 680
478 default: 681 default:
… …
502 pthread_mutex_unlock (&reslock); 705 pthread_mutex_unlock (&reslock);
503 } 706 }
504 while (type != REQ_QUIT); 707 while (type != REQ_QUIT);
505 708
506 return 0; 709 return 0;
710}
711
712/*****************************************************************************/
713
714static void atfork_prepare (void)
715{
716 pthread_mutex_lock (&reqlock);
717 pthread_mutex_lock (&reslock);
718#if !HAVE_PREADWRITE
719 pthread_mutex_lock (&preadwritelock);
720#endif
721#if !HAVE_READDIR_R
722 pthread_mutex_lock (&readdirlock);
723#endif
724}
725
726static void atfork_parent (void)
727{
728#if !HAVE_READDIR_R
729 pthread_mutex_unlock (&readdirlock);
730#endif
731#if !HAVE_PREADWRITE
732 pthread_mutex_unlock (&preadwritelock);
733#endif
734 pthread_mutex_unlock (&reslock);
735 pthread_mutex_unlock (&reqlock);
736}
737
738static void atfork_child (void)
739{
740 aio_req prv;
741
742 started = 0;
743
744 while (reqs)
745 {
746 prv = reqs;
747 reqs = prv->next;
748 free_req (prv);
749 }
750
751 reqs = reqe = 0;
752
753 while (ress)
754 {
755 prv = ress;
756 ress = prv->next;
757 free_req (prv);
758 }
759
760 ress = rese = 0;
761
762 close (respipe [0]);
763 close (respipe [1]);
764 create_pipe ();
765
766 atfork_parent ();
507} 767}
508 768
509#define dREQ \ 769#define dREQ \
510 aio_req req; \ 770 aio_req req; \
511 \ 771 \
… …
527 create_pipe (); 787 create_pipe ();
528 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 788 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
529} 789}
530 790
531void 791void
532min_parallel(nthreads) 792min_parallel (nthreads)
533 int nthreads 793 int nthreads
534 PROTOTYPE: $ 794 PROTOTYPE: $
535 795
536void 796void
537max_parallel(nthreads) 797max_parallel (nthreads)
538 int nthreads 798 int nthreads
539 PROTOTYPE: $ 799 PROTOTYPE: $
540 800
541int 801int
542max_outstanding(nreqs) 802max_outstanding (nreqs)
543 int nreqs 803 int nreqs
544 PROTOTYPE: $ 804 PROTOTYPE: $
545 CODE: 805 CODE:
546 RETVAL = max_outstanding; 806 RETVAL = max_outstanding;
547 max_outstanding = nreqs; 807 max_outstanding = nreqs;
548 808
549void 809void
550aio_open(pathname,flags,mode,callback=&PL_sv_undef) 810aio_open (pathname,flags,mode,callback=&PL_sv_undef)
551 SV * pathname 811 SV * pathname
552 int flags 812 int flags
553 int mode 813 int mode
554 SV * callback 814 SV * callback
555 PROTOTYPE: $$$;$ 815 PROTOTYPE: $$$;$
… …
565 825
566 send_req (req); 826 send_req (req);
567} 827}
568 828
569void 829void
570aio_close(fh,callback=&PL_sv_undef) 830aio_close (fh,callback=&PL_sv_undef)
571 SV * fh 831 SV * fh
572 SV * callback 832 SV * callback
573 PROTOTYPE: $;$ 833 PROTOTYPE: $;$
574 ALIAS: 834 ALIAS:
575 aio_close = REQ_CLOSE 835 aio_close = REQ_CLOSE
… …
585 845
586 send_req (req); 846 send_req (req);
587} 847}
588 848
589void 849void
590aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 850aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
591 SV * fh 851 SV * fh
592 UV offset 852 UV offset
593 IV length 853 UV length
594 SV * data 854 SV * data
595 IV dataoffset 855 UV dataoffset
596 SV * callback 856 SV * callback
597 ALIAS: 857 ALIAS:
598 aio_read = REQ_READ 858 aio_read = REQ_READ
599 aio_write = REQ_WRITE 859 aio_write = REQ_WRITE
600 PROTOTYPE: $$$$$;$ 860 PROTOTYPE: $$$$$;$
… …
649 send_req (req); 909 send_req (req);
650 } 910 }
651} 911}
652 912
653void 913void
914aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
915 SV * out_fh
916 SV * in_fh
917 UV in_offset
918 UV length
919 SV * callback
920 PROTOTYPE: $$$$;$
921 CODE:
922{
923 dREQ;
924
925 req->type = REQ_SENDFILE;
926 req->fh = newSVsv (out_fh);
927 req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
928 req->fh2 = newSVsv (in_fh);
929 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
930 req->offset = in_offset;
931 req->length = length;
932
933 send_req (req);
934}
935
936void
654aio_readahead(fh,offset,length,callback=&PL_sv_undef) 937aio_readahead (fh,offset,length,callback=&PL_sv_undef)
655 SV * fh 938 SV * fh
656 UV offset 939 UV offset
657 IV length 940 IV length
658 SV * callback 941 SV * callback
659 PROTOTYPE: $$$;$ 942 PROTOTYPE: $$$;$
… …
669 952
670 send_req (req); 953 send_req (req);
671} 954}
672 955
673void 956void
674aio_stat(fh_or_path,callback=&PL_sv_undef) 957aio_stat (fh_or_path,callback=&PL_sv_undef)
675 SV * fh_or_path 958 SV * fh_or_path
676 SV * callback 959 SV * callback
677 ALIAS: 960 ALIAS:
678 aio_stat = REQ_STAT 961 aio_stat = REQ_STAT
679 aio_lstat = REQ_LSTAT 962 aio_lstat = REQ_LSTAT
… …
703 986
704 send_req (req); 987 send_req (req);
705} 988}
706 989
707void 990void
708aio_unlink(pathname,callback=&PL_sv_undef) 991aio_unlink (pathname,callback=&PL_sv_undef)
709 SV * pathname 992 SV * pathname
710 SV * callback 993 SV * callback
711 ALIAS: 994 ALIAS:
712 aio_unlink = REQ_UNLINK 995 aio_unlink = REQ_UNLINK
713 aio_rmdir = REQ_RMDIR 996 aio_rmdir = REQ_RMDIR
997 aio_readdir = REQ_READDIR
714 CODE: 998 CODE:
715{ 999{
716 dREQ; 1000 dREQ;
717 1001
718 req->type = ix; 1002 req->type = ix;
… …
721 1005
722 send_req (req); 1006 send_req (req);
723} 1007}
724 1008
725void 1009void
726aio_symlink(oldpath,newpath,callback=&PL_sv_undef) 1010aio_link (oldpath,newpath,callback=&PL_sv_undef)
727 SV * oldpath 1011 SV * oldpath
728 SV * newpath 1012 SV * newpath
729 SV * callback 1013 SV * callback
1014 ALIAS:
1015 aio_link = REQ_LINK
1016 aio_symlink = REQ_SYMLINK
1017 aio_rename = REQ_RENAME
730 CODE: 1018 CODE:
731{ 1019{
732 dREQ; 1020 dREQ;
733 1021
734 req->type = REQ_SYMLINK; 1022 req->type = ix;
735 req->fh = newSVsv (oldpath); 1023 req->fh = newSVsv (oldpath);
736 req->data2ptr = SvPVbyte_nolen (req->fh); 1024 req->data2ptr = SvPVbyte_nolen (req->fh);
737 req->data = newSVsv (newpath); 1025 req->data = newSVsv (newpath);
738 req->dataptr = SvPVbyte_nolen (req->data); 1026 req->dataptr = SvPVbyte_nolen (req->data);
739 1027
740 send_req (req); 1028 send_req (req);
741} 1029}
742 1030
743void 1031void
744flush() 1032flush ()
745 PROTOTYPE: 1033 PROTOTYPE:
746 CODE: 1034 CODE:
747 while (nreqs) 1035 while (nreqs)
748 { 1036 {
749 poll_wait (); 1037 poll_wait ();

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