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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.29 by root, Wed Aug 17 06:12:10 2005 UTC vs.
Revision 1.41 by root, Sat Jun 24 19:14:04 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>
13#include <errno.h>
10#include <sys/types.h> 14#include <sys/types.h>
11#include <sys/stat.h> 15#include <sys/stat.h>
12 16#include <limits.h>
13#include <unistd.h> 17#include <unistd.h>
14#include <fcntl.h> 18#include <fcntl.h>
15#include <signal.h> 19#include <signal.h>
16#include <sched.h> 20#include <sched.h>
17 21
18#include <pthread.h> 22#if HAVE_SENDFILE
23# if __linux
24# include <sys/sendfile.h>
25# elif __freebsd
26# include <sys/socket.h>
27# include <sys/uio.h>
28# elif __hpux
29# include <sys/socket.h>
30# elif __solaris /* not yet */
31# include <sys/sendfile.h>
32# else
33# error sendfile support requested but not available
34# endif
35#endif
19 36
20typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 37/* used for struct dirent, AIX doesn't provide it */
21typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 38#ifndef NAME_MAX
22typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ 39# define NAME_MAX 4096
40#endif
23 41
24#if __ia64 42#if __ia64
25# define STACKSIZE 65536 43# define STACKSIZE 65536
26#else 44#else
27# define STACKSIZE 4096 45# define STACKSIZE 8192
28#endif 46#endif
29 47
30enum { 48enum {
31 REQ_QUIT, 49 REQ_QUIT,
32 REQ_OPEN, REQ_CLOSE, 50 REQ_OPEN, REQ_CLOSE,
33 REQ_READ, REQ_WRITE, REQ_READAHEAD, 51 REQ_READ, REQ_WRITE, REQ_READAHEAD,
52 REQ_SENDFILE,
34 REQ_STAT, REQ_LSTAT, REQ_FSTAT, 53 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
35 REQ_FSYNC, REQ_FDATASYNC, 54 REQ_FSYNC, REQ_FDATASYNC,
36 REQ_UNLINK, REQ_RMDIR, 55 REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
37 REQ_SYMLINK, 56 REQ_READDIR,
57 REQ_LINK, REQ_SYMLINK,
38}; 58};
39 59
40typedef struct aio_cb { 60typedef struct aio_cb {
41 struct aio_cb *volatile next; 61 struct aio_cb *volatile next;
42 62
43 int type; 63 int type;
44 64
65 /* should receive a cleanup, with unions */
45 int fd; 66 int fd, fd2;
46 off_t offset; 67 off_t offset;
47 size_t length; 68 size_t length;
48 ssize_t result; 69 ssize_t result;
49 mode_t mode; /* open */ 70 mode_t mode; /* open */
50 int errorno; 71 int errorno;
51 SV *data, *callback, *fh; 72 SV *data, *callback;
73 SV *fh, *fh2;
52 void *dataptr, *data2ptr; 74 void *dataptr, *data2ptr;
53 STRLEN dataoffset; 75 STRLEN dataoffset;
54 76
55 Stat_t *statdata; 77 Stat_t *statdata;
56} aio_cb; 78} aio_cb;
57 79
58typedef aio_cb *aio_req; 80typedef aio_cb *aio_req;
59 81
60static int started; 82static int started, wanted;
61static volatile int nreqs; 83static volatile int nreqs;
62static int max_outstanding = 1<<30; 84static int max_outstanding = 1<<30;
63static int respipe [2]; 85static int respipe [2];
64 86
65static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; 87static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
… …
75 SvREFCNT_dec (req->data); 97 SvREFCNT_dec (req->data);
76 98
77 if (req->fh) 99 if (req->fh)
78 SvREFCNT_dec (req->fh); 100 SvREFCNT_dec (req->fh);
79 101
102 if (req->fh2)
103 SvREFCNT_dec (req->fh2);
104
80 if (req->statdata) 105 if (req->statdata)
81 Safefree (req->statdata); 106 Safefree (req->statdata);
82 107
83 if (req->callback) 108 if (req->callback)
84 SvREFCNT_dec (req->callback); 109 SvREFCNT_dec (req->callback);
110
111 if (req->type == REQ_READDIR && req->result >= 0)
112 free (req->data2ptr);
85 113
86 Safefree (req); 114 Safefree (req);
87} 115}
88 116
89static void 117static void
… …
116 { 144 {
117 ress = req->next; 145 ress = req->next;
118 146
119 if (!ress) 147 if (!ress)
120 { 148 {
121 rese = 0;
122
123 /* read any signals sent by the worker threads */ 149 /* read any signals sent by the worker threads */
124 char buf [32]; 150 char buf [32];
125 while (read (respipe [0], buf, 32) == 32) 151 while (read (respipe [0], buf, 32) == 32)
126 ; 152 ;
153
154 rese = 0;
127 } 155 }
128 } 156 }
129 157
130 pthread_mutex_unlock (&reslock); 158 pthread_mutex_unlock (&reslock);
131 159
… …
154 PL_statcache = *(req->statdata); 182 PL_statcache = *(req->statdata);
155 } 183 }
156 184
157 ENTER; 185 ENTER;
158 PUSHMARK (SP); 186 PUSHMARK (SP);
159 XPUSHs (sv_2mortal (newSViv (req->result)));
160 187
161 if (req->type == REQ_OPEN) 188 if (req->type == REQ_READDIR)
162 { 189 {
190 SV *rv = &PL_sv_undef;
191
192 if (req->result >= 0)
193 {
194 char *buf = req->data2ptr;
195 AV *av = newAV ();
196
197 while (req->result)
198 {
199 SV *sv = newSVpv (buf, 0);
200
201 av_push (av, sv);
202 buf += SvCUR (sv) + 1;
203 req->result--;
204 }
205
206 rv = sv_2mortal (newRV_noinc ((SV *)av));
207 }
208
209 XPUSHs (rv);
210 }
211 else
212 {
213 XPUSHs (sv_2mortal (newSViv (req->result)));
214
215 if (req->type == REQ_OPEN)
216 {
163 /* convert fd to fh */ 217 /* convert fd to fh */
164 SV *fh; 218 SV *fh;
165 219
166 PUTBACK; 220 PUTBACK;
167 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 221 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
168 SPAGAIN; 222 SPAGAIN;
169 223
170 fh = SvREFCNT_inc (POPs); 224 fh = SvREFCNT_inc (POPs);
171 225
172 PUSHMARK (SP); 226 PUSHMARK (SP);
173 XPUSHs (sv_2mortal (fh)); 227 XPUSHs (sv_2mortal (fh));
228 }
174 } 229 }
175 230
176 if (SvOK (req->callback)) 231 if (SvOK (req->callback))
177 { 232 {
178 PUTBACK; 233 PUTBACK;
… …
221} 276}
222 277
223static void 278static void
224send_req (aio_req req) 279send_req (aio_req req)
225{ 280{
281 while (started < wanted && nreqs >= started)
282 start_thread ();
283
226 nreqs++; 284 nreqs++;
227 285
228 pthread_mutex_lock (&reqlock); 286 pthread_mutex_lock (&reqlock);
229 287
230 req->next = 0; 288 req->next = 0;
… …
262 send_req (req); 320 send_req (req);
263} 321}
264 322
265static void min_parallel (int nthreads) 323static void min_parallel (int nthreads)
266{ 324{
267 while (nthreads > started) 325 if (wanted < nthreads)
268 start_thread (); 326 wanted = nthreads;
269} 327}
270 328
271static void max_parallel (int nthreads) 329static void max_parallel (int nthreads)
272{ 330{
273 int cur = started; 331 int cur = started;
274 332
333 if (wanted > nthreads)
334 wanted = nthreads;
335
275 while (cur > nthreads) 336 while (cur > wanted)
276 { 337 {
277 end_thread (); 338 end_thread ();
278 cur--; 339 cur--;
279 } 340 }
280 341
281 while (started > nthreads) 342 while (started > wanted)
282 { 343 {
283 poll_wait (); 344 poll_wait ();
284 poll_cb (); 345 poll_cb ();
285 } 346 }
286} 347}
… …
293 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) 354 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
294 croak ("cannot set result pipe to nonblocking mode"); 355 croak ("cannot set result pipe to nonblocking mode");
295 356
296 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) 357 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
297 croak ("cannot set result pipe to nonblocking mode"); 358 croak ("cannot set result pipe to nonblocking mode");
298}
299
300static void atfork_prepare (void)
301{
302 pthread_mutex_lock (&reqlock);
303 pthread_mutex_lock (&reslock);
304}
305
306static void atfork_parent (void)
307{
308 pthread_mutex_unlock (&reslock);
309 pthread_mutex_unlock (&reqlock);
310}
311
312static void atfork_child (void)
313{
314 aio_req prv;
315
316 int restart = started;
317 started = 0;
318
319 while (reqs)
320 {
321 prv = reqs;
322 reqs = prv->next;
323 free_req (prv);
324 }
325
326 reqs = reqe = 0;
327
328 while (ress)
329 {
330 prv = ress;
331 ress = prv->next;
332 free_req (prv);
333 }
334
335 ress = rese = 0;
336
337 close (respipe [0]);
338 close (respipe [1]);
339 create_pipe ();
340
341 atfork_parent ();
342
343 min_parallel (restart);
344} 359}
345 360
346/*****************************************************************************/ 361/*****************************************************************************/
347/* work around various missing functions */ 362/* work around various missing functions */
348 363
… …
353/* 368/*
354 * make our pread/pwrite safe against themselves, but not against 369 * make our pread/pwrite safe against themselves, but not against
355 * normal read/write by using a mutex. slows down execution a lot, 370 * normal read/write by using a mutex. slows down execution a lot,
356 * but that's your problem, not mine. 371 * but that's your problem, not mine.
357 */ 372 */
358static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; 373static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
359 374
360static ssize_t 375static ssize_t
361pread (int fd, void *buf, size_t count, off_t offset) 376pread (int fd, void *buf, size_t count, off_t offset)
362{ 377{
363 ssize_t res; 378 ssize_t res;
364 off_t ooffset; 379 off_t ooffset;
365 380
366 pthread_mutex_lock (&iolock); 381 pthread_mutex_lock (&preadwritelock);
367 ooffset = lseek (fd, 0, SEEK_CUR); 382 ooffset = lseek (fd, 0, SEEK_CUR);
368 lseek (fd, offset, SEEK_SET); 383 lseek (fd, offset, SEEK_SET);
369 res = read (fd, buf, count); 384 res = read (fd, buf, count);
370 lseek (fd, ooffset, SEEK_SET); 385 lseek (fd, ooffset, SEEK_SET);
371 pthread_mutex_unlock (&iolock); 386 pthread_mutex_unlock (&preadwritelock);
372 387
373 return res; 388 return res;
374} 389}
375 390
376static ssize_t 391static ssize_t
377pwrite (int fd, void *buf, size_t count, off_t offset) 392pwrite (int fd, void *buf, size_t count, off_t offset)
378{ 393{
379 ssize_t res; 394 ssize_t res;
380 off_t ooffset; 395 off_t ooffset;
381 396
382 pthread_mutex_lock (&iolock); 397 pthread_mutex_lock (&preadwritelock);
383 ooffset = lseek (fd, 0, SEEK_CUR); 398 ooffset = lseek (fd, 0, SEEK_CUR);
384 lseek (fd, offset, SEEK_SET); 399 lseek (fd, offset, SEEK_SET);
385 res = write (fd, buf, count); 400 res = write (fd, buf, count);
386 lseek (fd, offset, SEEK_SET); 401 lseek (fd, offset, SEEK_SET);
387 pthread_mutex_unlock (&iolock); 402 pthread_mutex_unlock (&preadwritelock);
388 403
389 return res; 404 return res;
390} 405}
391#endif 406#endif
392 407
… …
395#endif 410#endif
396 411
397#if !HAVE_READAHEAD 412#if !HAVE_READAHEAD
398# define readahead aio_readahead 413# define readahead aio_readahead
399 414
400static char readahead_buf[4096];
401
402static ssize_t 415static ssize_t
403readahead (int fd, off_t offset, size_t count) 416readahead (int fd, off_t offset, size_t count)
404{ 417{
418 char readahead_buf[4096];
419
405 while (count > 0) 420 while (count > 0)
406 { 421 {
407 size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); 422 size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
408 423
409 pread (fd, readahead_buf, len, offset); 424 pread (fd, readahead_buf, len, offset);
… …
412 } 427 }
413 428
414 errno = 0; 429 errno = 0;
415} 430}
416#endif 431#endif
432
433#if !HAVE_READDIR_R
434# define readdir_r aio_readdir_r
435
436static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
437
438static int
439readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
440{
441 struct dirent *e;
442 int errorno;
443
444 pthread_mutex_lock (&readdirlock);
445
446 e = readdir (dirp);
447 errorno = errno;
448
449 if (e)
450 {
451 *res = ent;
452 strcpy (ent->d_name, e->d_name);
453 }
454 else
455 *res = 0;
456
457 pthread_mutex_unlock (&readdirlock);
458
459 errno = errorno;
460 return e ? 0 : -1;
461}
462#endif
463
464/* sendfile always needs emulation */
465static ssize_t
466sendfile_ (int ofd, int ifd, off_t offset, size_t count)
467{
468 ssize_t res;
469
470 if (!count)
471 return 0;
472
473#if HAVE_SENDFILE
474# if __linux
475 res = sendfile (ofd, ifd, &offset, count);
476
477# elif __freebsd
478 /*
479 * Of course, the freebsd sendfile is a dire hack with no thoughts
480 * wasted on making it similar to other I/O functions.
481 */
482 {
483 off_t sbytes;
484 res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0);
485
486 if (res < 0 && sbytes)
487 /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */
488 res = sbytes;
489 }
490
491# elif __hpux
492 res = sendfile (ofd, ifd, offset, count, 0, 0);
493
494# elif __solaris
495 {
496 struct sendfilevec vec;
497 size_t sbytes;
498
499 vec.sfv_fd = ifd;
500 vec.sfv_flag = 0;
501 vec.sfv_off = offset;
502 vec.sfv_len = count;
503
504 res = sendfilev (ofd, &vec, 1, &sbytes);
505
506 if (res < 0 && sbytes)
507 res = sbytes;
508 }
509
510# endif
511#else
512 res = -1;
513 errno = ENOSYS;
514#endif
515
516 if (res < 0
517 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK
518#if __solaris
519 || errno == EAFNOSUPPORT || errno == EPROTOTYPE
520#endif
521 )
522 )
523 {
524 /* emulate sendfile. this is a major pain in the ass */
525 char buf[4096];
526 res = 0;
527
528 while (count)
529 {
530 ssize_t cnt;
531
532 cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);
533
534 if (cnt <= 0)
535 {
536 if (cnt && !res) res = -1;
537 break;
538 }
539
540 cnt = write (ofd, buf, cnt);
541
542 if (cnt <= 0)
543 {
544 if (cnt && !res) res = -1;
545 break;
546 }
547
548 offset += cnt;
549 res += cnt;
550 count -= cnt;
551 }
552 }
553
554 return res;
555}
556
557/* read a full directory */
558static int
559scandir_ (const char *path, void **namesp)
560{
561 DIR *dirp = opendir (path);
562 union
563 {
564 struct dirent d;
565 char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];
566 } u;
567 struct dirent *entp;
568 char *name, *names;
569 int memlen = 4096;
570 int memofs = 0;
571 int res = 0;
572 int errorno;
573
574 if (!dirp)
575 return -1;
576
577 names = malloc (memlen);
578
579 for (;;)
580 {
581 errno = 0, readdir_r (dirp, &u.d, &entp);
582
583 if (!entp)
584 break;
585
586 name = entp->d_name;
587
588 if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2])))
589 {
590 int len = strlen (name) + 1;
591
592 res++;
593
594 while (memofs + len > memlen)
595 {
596 memlen *= 2;
597 names = realloc (names, memlen);
598 if (!names)
599 break;
600 }
601
602 memcpy (names + memofs, name, len);
603 memofs += len;
604 }
605 }
606
607 errorno = errno;
608 closedir (dirp);
609
610 if (errorno)
611 {
612 free (names);
613 errno = errorno;
614 res = -1;
615 }
616
617 *namesp = (void *)names;
618 return res;
619}
417 620
418/*****************************************************************************/ 621/*****************************************************************************/
419 622
420static void * 623static void *
421aio_proc (void *thr_arg) 624aio_proc (void *thr_arg)
… …
453 { 656 {
454 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 657 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
455 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; 658 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
456 659
457 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; 660 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
661 case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
458 662
459 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 663 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
460 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 664 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
461 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 665 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
462 666
463 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; 667 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
464 case REQ_CLOSE: req->result = close (req->fd); break; 668 case REQ_CLOSE: req->result = close (req->fd); break;
465 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 669 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
466 case REQ_RMDIR: req->result = rmdir (req->dataptr); break; 670 case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
671 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
672 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
467 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 673 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
468 674
469 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 675 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
470 case REQ_FSYNC: req->result = fsync (req->fd); break; 676 case REQ_FSYNC: req->result = fsync (req->fd); break;
677 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
471 678
472 case REQ_QUIT: 679 case REQ_QUIT:
473 break; 680 break;
474 681
475 default: 682 default:
… …
499 pthread_mutex_unlock (&reslock); 706 pthread_mutex_unlock (&reslock);
500 } 707 }
501 while (type != REQ_QUIT); 708 while (type != REQ_QUIT);
502 709
503 return 0; 710 return 0;
711}
712
713/*****************************************************************************/
714
715static void atfork_prepare (void)
716{
717 pthread_mutex_lock (&reqlock);
718 pthread_mutex_lock (&reslock);
719#if !HAVE_PREADWRITE
720 pthread_mutex_lock (&preadwritelock);
721#endif
722#if !HAVE_READDIR_R
723 pthread_mutex_lock (&readdirlock);
724#endif
725}
726
727static void atfork_parent (void)
728{
729#if !HAVE_READDIR_R
730 pthread_mutex_unlock (&readdirlock);
731#endif
732#if !HAVE_PREADWRITE
733 pthread_mutex_unlock (&preadwritelock);
734#endif
735 pthread_mutex_unlock (&reslock);
736 pthread_mutex_unlock (&reqlock);
737}
738
739static void atfork_child (void)
740{
741 aio_req prv;
742
743 started = 0;
744
745 while (reqs)
746 {
747 prv = reqs;
748 reqs = prv->next;
749 free_req (prv);
750 }
751
752 reqs = reqe = 0;
753
754 while (ress)
755 {
756 prv = ress;
757 ress = prv->next;
758 free_req (prv);
759 }
760
761 ress = rese = 0;
762
763 close (respipe [0]);
764 close (respipe [1]);
765 create_pipe ();
766
767 atfork_parent ();
504} 768}
505 769
506#define dREQ \ 770#define dREQ \
507 aio_req req; \ 771 aio_req req; \
508 \ 772 \
… …
519 783
520PROTOTYPES: ENABLE 784PROTOTYPES: ENABLE
521 785
522BOOT: 786BOOT:
523{ 787{
788 HV *stash = gv_stashpv ("IO::AIO", 1);
789 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
790 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
791 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
792
524 create_pipe (); 793 create_pipe ();
525 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 794 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
526} 795}
527 796
528void 797void
529min_parallel(nthreads) 798min_parallel (nthreads)
530 int nthreads 799 int nthreads
531 PROTOTYPE: $ 800 PROTOTYPE: $
532 801
533void 802void
534max_parallel(nthreads) 803max_parallel (nthreads)
535 int nthreads 804 int nthreads
536 PROTOTYPE: $ 805 PROTOTYPE: $
537 806
538int 807int
539max_outstanding(nreqs) 808max_outstanding (nreqs)
540 int nreqs 809 int nreqs
541 PROTOTYPE: $ 810 PROTOTYPE: $
542 CODE: 811 CODE:
543 RETVAL = max_outstanding; 812 RETVAL = max_outstanding;
544 max_outstanding = nreqs; 813 max_outstanding = nreqs;
545 814
546void 815void
547aio_open(pathname,flags,mode,callback=&PL_sv_undef) 816aio_open (pathname,flags,mode,callback=&PL_sv_undef)
548 SV * pathname 817 SV * pathname
549 int flags 818 int flags
550 int mode 819 int mode
551 SV * callback 820 SV * callback
552 PROTOTYPE: $$$;$ 821 PROTOTYPE: $$$;$
… …
562 831
563 send_req (req); 832 send_req (req);
564} 833}
565 834
566void 835void
567aio_close(fh,callback=&PL_sv_undef) 836aio_close (fh,callback=&PL_sv_undef)
568 SV * fh 837 SV * fh
569 SV * callback 838 SV * callback
570 PROTOTYPE: $;$ 839 PROTOTYPE: $;$
571 ALIAS: 840 ALIAS:
572 aio_close = REQ_CLOSE 841 aio_close = REQ_CLOSE
… …
582 851
583 send_req (req); 852 send_req (req);
584} 853}
585 854
586void 855void
587aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 856aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
588 SV * fh 857 SV * fh
589 UV offset 858 UV offset
590 IV length 859 UV length
591 SV * data 860 SV * data
592 IV dataoffset 861 UV dataoffset
593 SV * callback 862 SV * callback
594 ALIAS: 863 ALIAS:
595 aio_read = REQ_READ 864 aio_read = REQ_READ
596 aio_write = REQ_WRITE 865 aio_write = REQ_WRITE
597 PROTOTYPE: $$$$$;$ 866 PROTOTYPE: $$$$$;$
… …
646 send_req (req); 915 send_req (req);
647 } 916 }
648} 917}
649 918
650void 919void
920aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
921 SV * out_fh
922 SV * in_fh
923 UV in_offset
924 UV length
925 SV * callback
926 PROTOTYPE: $$$$;$
927 CODE:
928{
929 dREQ;
930
931 req->type = REQ_SENDFILE;
932 req->fh = newSVsv (out_fh);
933 req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
934 req->fh2 = newSVsv (in_fh);
935 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
936 req->offset = in_offset;
937 req->length = length;
938
939 send_req (req);
940}
941
942void
651aio_readahead(fh,offset,length,callback=&PL_sv_undef) 943aio_readahead (fh,offset,length,callback=&PL_sv_undef)
652 SV * fh 944 SV * fh
653 UV offset 945 UV offset
654 IV length 946 IV length
655 SV * callback 947 SV * callback
656 PROTOTYPE: $$$;$ 948 PROTOTYPE: $$$;$
… …
666 958
667 send_req (req); 959 send_req (req);
668} 960}
669 961
670void 962void
671aio_stat(fh_or_path,callback=&PL_sv_undef) 963aio_stat (fh_or_path,callback=&PL_sv_undef)
672 SV * fh_or_path 964 SV * fh_or_path
673 SV * callback 965 SV * callback
674 ALIAS: 966 ALIAS:
675 aio_stat = REQ_STAT 967 aio_stat = REQ_STAT
676 aio_lstat = REQ_LSTAT 968 aio_lstat = REQ_LSTAT
… …
700 992
701 send_req (req); 993 send_req (req);
702} 994}
703 995
704void 996void
705aio_unlink(pathname,callback=&PL_sv_undef) 997aio_unlink (pathname,callback=&PL_sv_undef)
706 SV * pathname 998 SV * pathname
707 SV * callback 999 SV * callback
708 ALIAS: 1000 ALIAS:
709 aio_unlink = REQ_UNLINK 1001 aio_unlink = REQ_UNLINK
710 aio_rmdir = REQ_RMDIR 1002 aio_rmdir = REQ_RMDIR
1003 aio_readdir = REQ_READDIR
711 CODE: 1004 CODE:
712{ 1005{
713 dREQ; 1006 dREQ;
714 1007
715 req->type = ix; 1008 req->type = ix;
… …
718 1011
719 send_req (req); 1012 send_req (req);
720} 1013}
721 1014
722void 1015void
723aio_symlink(oldpath,newpath,callback=&PL_sv_undef) 1016aio_link (oldpath,newpath,callback=&PL_sv_undef)
724 SV * oldpath 1017 SV * oldpath
725 SV * newpath 1018 SV * newpath
726 SV * callback 1019 SV * callback
1020 ALIAS:
1021 aio_link = REQ_LINK
1022 aio_symlink = REQ_SYMLINK
1023 aio_rename = REQ_RENAME
727 CODE: 1024 CODE:
728{ 1025{
729 dREQ; 1026 dREQ;
730 1027
731 req->type = REQ_SYMLINK; 1028 req->type = ix;
732 req->fh = newSVsv (oldpath); 1029 req->fh = newSVsv (oldpath);
733 req->data2ptr = SvPVbyte_nolen (req->fh); 1030 req->data2ptr = SvPVbyte_nolen (req->fh);
734 req->data = newSVsv (newpath); 1031 req->data = newSVsv (newpath);
735 req->dataptr = SvPVbyte_nolen (req->data); 1032 req->dataptr = SvPVbyte_nolen (req->data);
736 1033
737 send_req (req); 1034 send_req (req);
738} 1035}
739 1036
740void 1037void
741flush() 1038flush ()
742 PROTOTYPE: 1039 PROTOTYPE:
743 CODE: 1040 CODE:
744 while (nreqs) 1041 while (nreqs)
745 { 1042 {
746 poll_wait (); 1043 poll_wait ();

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