1 | #include "eio.h" |
1 | #include "eio.h" |
2 | #include "xthread.h" |
2 | #include "xthread.h" |
3 | |
3 | |
4 | #include <errno.h> |
4 | #include <errno.h> |
5 | |
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6 | #include "EXTERN.h" |
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7 | #include "perl.h" |
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8 | #include "XSUB.h" |
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9 | |
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10 | #include <stddef.h> |
5 | #include <stddef.h> |
11 | #include <stdlib.h> |
6 | #include <stdlib.h> |
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7 | #include <string.h> |
12 | #include <errno.h> |
8 | #include <errno.h> |
13 | #include <sys/types.h> |
9 | #include <sys/types.h> |
14 | #include <sys/stat.h> |
10 | #include <sys/stat.h> |
15 | #include <limits.h> |
11 | #include <limits.h> |
16 | #include <fcntl.h> |
12 | #include <fcntl.h> |
17 | #include <sched.h> |
13 | #include <assert.h> |
18 | |
14 | |
19 | #ifndef EIO_FINISH |
15 | #ifndef EIO_FINISH |
20 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
16 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
21 | #endif |
17 | #endif |
22 | |
18 | |
… | |
… | |
38 | # include <sys/time.h> |
34 | # include <sys/time.h> |
39 | # include <sys/select.h> |
35 | # include <sys/select.h> |
40 | # include <unistd.h> |
36 | # include <unistd.h> |
41 | # include <utime.h> |
37 | # include <utime.h> |
42 | # include <signal.h> |
38 | # include <signal.h> |
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39 | # include <dirent.h> |
43 | |
40 | |
44 | # ifndef EIO_STRUCT_DIRENT |
41 | # ifndef EIO_STRUCT_DIRENT |
45 | # define EIO_STRUCT_DIRENT struct dirent |
42 | # define EIO_STRUCT_DIRENT struct dirent |
46 | # endif |
43 | # endif |
47 | |
44 | |
48 | #endif |
45 | #endif |
49 | |
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50 | # ifndef EIO_STRUCT_STAT |
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51 | # define EIO_STRUCT_STAT struct stat |
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52 | # endif |
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53 | |
46 | |
54 | #if HAVE_SENDFILE |
47 | #if HAVE_SENDFILE |
55 | # if __linux |
48 | # if __linux |
56 | # include <sys/sendfile.h> |
49 | # include <sys/sendfile.h> |
57 | # elif __freebsd |
50 | # elif __freebsd |
… | |
… | |
80 | #define dBUF \ |
73 | #define dBUF \ |
81 | char *eio_buf; \ |
74 | char *eio_buf; \ |
82 | X_LOCK (wrklock); \ |
75 | X_LOCK (wrklock); \ |
83 | self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \ |
76 | self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \ |
84 | X_UNLOCK (wrklock); \ |
77 | X_UNLOCK (wrklock); \ |
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78 | errno = ENOMEM; \ |
85 | if (!eio_buf) \ |
79 | if (!eio_buf) \ |
86 | return -1; |
80 | return -1; |
87 | |
81 | |
88 | #define EIO_TICKS ((1000000 + 1023) >> 10) |
82 | #define EIO_TICKS ((1000000 + 1023) >> 10) |
89 | |
83 | |
… | |
… | |
98 | { |
92 | { |
99 | return (tv2->tv_sec - tv1->tv_sec ) * EIO_TICKS |
93 | return (tv2->tv_sec - tv1->tv_sec ) * EIO_TICKS |
100 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
94 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
101 | } |
95 | } |
102 | |
96 | |
103 | static unsigned int started, idle, wanted; |
97 | static unsigned int started, idle, wanted = 4; |
104 | |
98 | |
105 | /* worker threads management */ |
99 | /* worker threads management */ |
106 | static mutex_t wrklock = X_MUTEX_INIT; |
100 | static mutex_t wrklock = X_MUTEX_INIT; |
107 | |
101 | |
108 | typedef struct worker { |
102 | typedef struct worker |
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103 | { |
109 | /* locked by wrklock */ |
104 | /* locked by wrklock */ |
110 | struct worker *prev, *next; |
105 | struct worker *prev, *next; |
111 | |
106 | |
112 | thread_t tid; |
107 | thread_t tid; |
113 | |
108 | |
… | |
… | |
239 | } |
234 | } |
240 | |
235 | |
241 | abort (); |
236 | abort (); |
242 | } |
237 | } |
243 | |
238 | |
244 | static void grp_feed (eio_req *grp) |
239 | static void grp_try_feed (eio_req *grp) |
245 | { |
240 | { |
246 | while (grp->size < grp->int2 && !EIO_CANCELLED (grp)) |
241 | while (grp->size < grp->int2 && !EIO_CANCELLED (grp)) |
247 | { |
242 | { |
248 | int old_len = grp->size; |
243 | int old_len = grp->size; |
249 | |
244 | |
… | |
… | |
251 | |
246 | |
252 | /* stop if no progress has been made */ |
247 | /* stop if no progress has been made */ |
253 | if (old_len == grp->size) |
248 | if (old_len == grp->size) |
254 | { |
249 | { |
255 | grp->feed = 0; |
250 | grp->feed = 0; |
256 | grp->int2 = 0; |
251 | break; |
257 | } |
252 | } |
258 | } |
253 | } |
259 | } |
254 | } |
260 | |
255 | |
261 | static int eio_invoke (eio_req *req); |
256 | static int eio_finish (eio_req *req); |
262 | |
257 | |
263 | static int grp_dec (eio_req *grp) |
258 | static int grp_dec (eio_req *grp) |
264 | { |
259 | { |
265 | --grp->size; |
260 | --grp->size; |
266 | |
261 | |
267 | /* call feeder, if applicable */ |
262 | /* call feeder, if applicable */ |
268 | grp_feed (grp); |
263 | grp_try_feed (grp); |
269 | |
264 | |
270 | /* finish, if done */ |
265 | /* finish, if done */ |
271 | if (!grp->size && grp->int1) |
266 | if (!grp->size && grp->int1) |
272 | return eio_invoke (grp); |
267 | return eio_finish (grp); |
273 | else |
268 | else |
274 | return 0; |
269 | return 0; |
275 | } |
270 | } |
276 | |
271 | |
277 | void eio_destroy (eio_req *req) |
272 | void eio_destroy (eio_req *req) |
278 | { |
273 | { |
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274 | if ((req)->flags & EIO_FLAG_PTR1_FREE) free (req->ptr1); |
279 | if ((req)->flags & EIO_FLAG_PTR2_FREE) |
275 | if ((req)->flags & EIO_FLAG_PTR2_FREE) free (req->ptr2); |
280 | free (req->ptr2); |
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281 | |
276 | |
282 | EIO_DESTROY (req); |
277 | EIO_DESTROY (req); |
283 | } |
278 | } |
284 | |
279 | |
285 | static int eio_invoke (eio_req *req) |
280 | static int eio_finish (eio_req *req) |
286 | { |
281 | { |
287 | int res = EIO_FINISH (req); |
282 | int res = EIO_FINISH (req); |
288 | |
283 | |
289 | if (req->grp) |
284 | if (req->grp) |
290 | { |
285 | { |
… | |
… | |
315 | eio_cancel (grp); |
310 | eio_cancel (grp); |
316 | } |
311 | } |
317 | |
312 | |
318 | void eio_cancel (eio_req *req) |
313 | void eio_cancel (eio_req *req) |
319 | { |
314 | { |
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315 | X_LOCK (wrklock); |
320 | req->flags |= EIO_FLAG_CANCELLED; |
316 | req->flags |= EIO_FLAG_CANCELLED; |
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317 | X_UNLOCK (wrklock); |
321 | |
318 | |
322 | eio_grp_cancel (req); |
319 | eio_grp_cancel (req); |
323 | } |
320 | } |
324 | |
321 | |
325 | X_THREAD_PROC (eio_proc); |
322 | X_THREAD_PROC (eio_proc); |
326 | |
323 | |
327 | static void start_thread (void) |
324 | static void start_thread (void) |
328 | { |
325 | { |
329 | worker *wrk = calloc (1, sizeof (worker)); |
326 | worker *wrk = calloc (1, sizeof (worker)); |
330 | |
327 | |
331 | if (!wrk) |
328 | /*TODO*/ |
332 | croak ("unable to allocate worker thread data"); |
329 | assert (("unable to allocate worker thread data", wrk)); |
333 | |
330 | |
334 | X_LOCK (wrklock); |
331 | X_LOCK (wrklock); |
335 | |
332 | |
336 | if (thread_create (&wrk->tid, eio_proc, (void *)wrk)) |
333 | if (thread_create (&wrk->tid, eio_proc, (void *)wrk)) |
337 | { |
334 | { |
… | |
… | |
359 | start_thread (); |
356 | start_thread (); |
360 | } |
357 | } |
361 | |
358 | |
362 | void eio_submit (eio_req *req) |
359 | void eio_submit (eio_req *req) |
363 | { |
360 | { |
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361 | req->pri += EIO_PRI_BIAS; |
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362 | |
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363 | if (req->pri < EIO_PRI_MIN + EIO_PRI_BIAS) req->pri = EIO_PRI_MIN + EIO_PRI_BIAS; |
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364 | if (req->pri > EIO_PRI_MAX + EIO_PRI_BIAS) req->pri = EIO_PRI_MAX + EIO_PRI_BIAS; |
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365 | |
364 | ++nreqs; |
366 | ++nreqs; |
365 | |
367 | |
366 | X_LOCK (reqlock); |
368 | X_LOCK (reqlock); |
367 | ++nready; |
369 | ++nready; |
368 | reqq_push (&req_queue, req); |
370 | reqq_push (&req_queue, req); |
… | |
… | |
443 | |
445 | |
444 | if (req) |
446 | if (req) |
445 | { |
447 | { |
446 | --npending; |
448 | --npending; |
447 | |
449 | |
448 | if (!res_queue.size) |
450 | if (!res_queue.size && done_poll_cb) |
449 | done_poll_cb (); |
451 | done_poll_cb (); |
450 | } |
452 | } |
451 | |
453 | |
452 | X_UNLOCK (reslock); |
454 | X_UNLOCK (reslock); |
453 | |
455 | |
… | |
… | |
461 | req->int1 = 1; /* mark request as delayed */ |
463 | req->int1 = 1; /* mark request as delayed */ |
462 | continue; |
464 | continue; |
463 | } |
465 | } |
464 | else |
466 | else |
465 | { |
467 | { |
466 | int res = eio_invoke (req); |
468 | int res = eio_finish (req); |
467 | if (res) |
469 | if (res) |
468 | return res; |
470 | return res; |
469 | } |
471 | } |
470 | |
472 | |
471 | if (maxreqs && !--maxreqs) |
473 | if (maxreqs && !--maxreqs) |
… | |
… | |
486 | |
488 | |
487 | /*****************************************************************************/ |
489 | /*****************************************************************************/ |
488 | /* work around various missing functions */ |
490 | /* work around various missing functions */ |
489 | |
491 | |
490 | #if !HAVE_PREADWRITE |
492 | #if !HAVE_PREADWRITE |
491 | # define pread aio_pread |
493 | # define pread eio__pread |
492 | # define pwrite aio_pwrite |
494 | # define pwrite eio__pwrite |
493 | |
495 | |
494 | /* |
496 | /* |
495 | * make our pread/pwrite safe against themselves, but not against |
497 | * make our pread/pwrite safe against themselves, but not against |
496 | * normal read/write by using a mutex. slows down execution a lot, |
498 | * normal read/write by using a mutex. slows down execution a lot, |
497 | * but that's your problem, not mine. |
499 | * but that's your problem, not mine. |
498 | */ |
500 | */ |
499 | static mutex_t preadwritelock = X_MUTEX_INIT; |
501 | static mutex_t preadwritelock = X_MUTEX_INIT; |
500 | |
502 | |
501 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
503 | static ssize_t |
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504 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
502 | { |
505 | { |
503 | ssize_t res; |
506 | ssize_t res; |
504 | off_t ooffset; |
507 | off_t ooffset; |
505 | |
508 | |
506 | X_LOCK (preadwritelock); |
509 | X_LOCK (preadwritelock); |
… | |
… | |
511 | X_UNLOCK (preadwritelock); |
514 | X_UNLOCK (preadwritelock); |
512 | |
515 | |
513 | return res; |
516 | return res; |
514 | } |
517 | } |
515 | |
518 | |
516 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
519 | static ssize_t |
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520 | eio__pwrite (int fd, void *buf, size_t count, off_t offset) |
517 | { |
521 | { |
518 | ssize_t res; |
522 | ssize_t res; |
519 | off_t ooffset; |
523 | off_t ooffset; |
520 | |
524 | |
521 | X_LOCK (preadwritelock); |
525 | X_LOCK (preadwritelock); |
… | |
… | |
529 | } |
533 | } |
530 | #endif |
534 | #endif |
531 | |
535 | |
532 | #ifndef HAVE_FUTIMES |
536 | #ifndef HAVE_FUTIMES |
533 | |
537 | |
534 | # define utimes(path,times) aio_utimes (path, times) |
538 | # define utimes(path,times) eio__utimes (path, times) |
535 | # define futimes(fd,times) aio_futimes (fd, times) |
539 | # define futimes(fd,times) eio__futimes (fd, times) |
536 | |
540 | |
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541 | static int |
537 | static int aio_utimes (const char *filename, const struct timeval times[2]) |
542 | eio__utimes (const char *filename, const struct timeval times[2]) |
538 | { |
543 | { |
539 | if (times) |
544 | if (times) |
540 | { |
545 | { |
541 | struct utimbuf buf; |
546 | struct utimbuf buf; |
542 | |
547 | |
… | |
… | |
547 | } |
552 | } |
548 | else |
553 | else |
549 | return utime (filename, 0); |
554 | return utime (filename, 0); |
550 | } |
555 | } |
551 | |
556 | |
552 | static int aio_futimes (int fd, const struct timeval tv[2]) |
557 | static int eio__futimes (int fd, const struct timeval tv[2]) |
553 | { |
558 | { |
554 | errno = ENOSYS; |
559 | errno = ENOSYS; |
555 | return -1; |
560 | return -1; |
556 | } |
561 | } |
557 | |
562 | |
… | |
… | |
560 | #if !HAVE_FDATASYNC |
565 | #if !HAVE_FDATASYNC |
561 | # define fdatasync fsync |
566 | # define fdatasync fsync |
562 | #endif |
567 | #endif |
563 | |
568 | |
564 | #if !HAVE_READAHEAD |
569 | #if !HAVE_READAHEAD |
565 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
570 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
566 | |
571 | |
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572 | static ssize_t |
567 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
573 | eio__readahead (int fd, off_t offset, size_t count, worker *self) |
568 | { |
574 | { |
569 | size_t todo = count; |
575 | size_t todo = count; |
570 | dBUF; |
576 | dBUF; |
571 | |
577 | |
572 | while (todo > 0) |
578 | while (todo > 0) |
573 | { |
579 | { |
574 | size_t len = todo < EIO_BUFSIZE ? todo : EIO_BUFSIZE; |
580 | size_t len = todo < EIO_BUFSIZE ? todo : EIO_BUFSIZE; |
575 | |
581 | |
576 | pread (fd, aio_buf, len, offset); |
582 | pread (fd, eio_buf, len, offset); |
577 | offset += len; |
583 | offset += len; |
578 | todo -= len; |
584 | todo -= len; |
579 | } |
585 | } |
580 | |
586 | |
581 | errno = 0; |
587 | errno = 0; |
… | |
… | |
583 | } |
589 | } |
584 | |
590 | |
585 | #endif |
591 | #endif |
586 | |
592 | |
587 | #if !HAVE_READDIR_R |
593 | #if !HAVE_READDIR_R |
588 | # define readdir_r aio_readdir_r |
594 | # define readdir_r eio__readdir_r |
589 | |
595 | |
590 | static mutex_t readdirlock = X_MUTEX_INIT; |
596 | static mutex_t readdirlock = X_MUTEX_INIT; |
591 | |
597 | |
592 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
598 | static int |
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599 | eio__readdir_r (DIR *dirp, EIO_STRUCT_DIRENT *ent, EIO_STRUCT_DIRENT **res) |
593 | { |
600 | { |
594 | X_DIRENT *e; |
601 | EIO_STRUCT_DIRENT *e; |
595 | int errorno; |
602 | int errorno; |
596 | |
603 | |
597 | X_LOCK (readdirlock); |
604 | X_LOCK (readdirlock); |
598 | |
605 | |
599 | e = readdir (dirp); |
606 | e = readdir (dirp); |
… | |
… | |
613 | return e ? 0 : -1; |
620 | return e ? 0 : -1; |
614 | } |
621 | } |
615 | #endif |
622 | #endif |
616 | |
623 | |
617 | /* sendfile always needs emulation */ |
624 | /* sendfile always needs emulation */ |
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|
625 | static ssize_t |
618 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
626 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, worker *self) |
619 | { |
627 | { |
620 | ssize_t res; |
628 | ssize_t res; |
621 | |
629 | |
622 | if (!count) |
630 | if (!count) |
623 | return 0; |
631 | return 0; |
… | |
… | |
706 | |
714 | |
707 | return res; |
715 | return res; |
708 | } |
716 | } |
709 | |
717 | |
710 | /* read a full directory */ |
718 | /* read a full directory */ |
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|
719 | static void |
711 | static void scandir_ (eio_req *req, worker *self) |
720 | eio__scandir (eio_req *req, worker *self) |
712 | { |
721 | { |
713 | DIR *dirp; |
722 | DIR *dirp; |
714 | union |
723 | union |
715 | { |
724 | { |
716 | EIO_STRUCT_DIRENT d; |
725 | EIO_STRUCT_DIRENT d; |
… | |
… | |
768 | req->result = res; |
777 | req->result = res; |
769 | } |
778 | } |
770 | |
779 | |
771 | /*****************************************************************************/ |
780 | /*****************************************************************************/ |
772 | |
781 | |
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|
782 | #define ALLOC(len) \ |
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783 | if (!req->ptr2) \ |
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|
784 | { \ |
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785 | X_LOCK (wrklock); \ |
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786 | req->flags |= EIO_FLAG_PTR2_FREE; \ |
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787 | X_UNLOCK (wrklock); \ |
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788 | req->ptr2 = malloc (len); \ |
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|
789 | if (!req->ptr2) \ |
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|
790 | { \ |
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|
791 | errno = ENOMEM; \ |
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792 | req->result = -1; \ |
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793 | break; \ |
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794 | } \ |
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|
795 | } |
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|
796 | |
773 | X_THREAD_PROC (eio_proc) |
797 | X_THREAD_PROC (eio_proc) |
774 | { |
798 | { |
775 | eio_req *req; |
799 | eio_req *req; |
776 | struct timespec ts; |
800 | struct timespec ts; |
777 | worker *self = (worker *)thr_arg; |
801 | worker *self = (worker *)thr_arg; |
… | |
… | |
821 | errno = 0; /* strictly unnecessary */ |
845 | errno = 0; /* strictly unnecessary */ |
822 | |
846 | |
823 | if (!EIO_CANCELLED (req)) |
847 | if (!EIO_CANCELLED (req)) |
824 | switch (req->type) |
848 | switch (req->type) |
825 | { |
849 | { |
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|
850 | case EIO_READ: ALLOC (req->size); |
826 | case EIO_READ: req->result = req->offs >= 0 |
851 | req->result = req->offs >= 0 |
827 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
852 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
828 | : read (req->int1, req->ptr2, req->size); break; |
853 | : read (req->int1, req->ptr2, req->size); break; |
829 | case EIO_WRITE: req->result = req->offs >= 0 |
854 | case EIO_WRITE: req->result = req->offs >= 0 |
830 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
855 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
831 | : write (req->int1, req->ptr2, req->size); break; |
856 | : write (req->int1, req->ptr2, req->size); break; |
832 | |
857 | |
833 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
858 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
834 | case EIO_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
859 | case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size, self); break; |
835 | |
860 | |
|
|
861 | case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
836 | case EIO_STAT: req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
862 | req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
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|
863 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
837 | case EIO_LSTAT: req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
864 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
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|
865 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
838 | case EIO_FSTAT: req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
866 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
839 | |
867 | |
840 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
868 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
841 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
869 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
842 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
870 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
843 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
871 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
… | |
… | |
852 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
880 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
853 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
881 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
854 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
882 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
855 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
883 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
856 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
884 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
|
|
885 | |
|
|
886 | case EIO_READLINK: ALLOC (NAME_MAX); |
857 | case EIO_READLINK: req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
887 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
858 | |
888 | |
859 | case EIO_SYNC: req->result = 0; sync (); break; |
889 | case EIO_SYNC: req->result = 0; sync (); break; |
860 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
890 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
861 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
891 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
862 | |
892 | |
863 | case EIO_READDIR: scandir_ (req, self); break; |
893 | case EIO_READDIR: eio__scandir (req, self); break; |
864 | |
894 | |
865 | case EIO_BUSY: |
895 | case EIO_BUSY: |
866 | #ifdef _WIN32 |
896 | #ifdef _WIN32 |
867 | Sleep (req->nv1 * 1000.); |
897 | Sleep (req->nv1 * 1000.); |
868 | #else |
898 | #else |
… | |
… | |
901 | : utimes (req->ptr1, times); |
931 | : utimes (req->ptr1, times); |
902 | } |
932 | } |
903 | |
933 | |
904 | case EIO_GROUP: |
934 | case EIO_GROUP: |
905 | case EIO_NOP: |
935 | case EIO_NOP: |
|
|
936 | req->result = 0; |
906 | break; |
937 | break; |
907 | |
938 | |
908 | case EIO_QUIT: |
939 | case EIO_QUIT: |
909 | goto quit; |
940 | goto quit; |
910 | |
941 | |
… | |
… | |
917 | |
948 | |
918 | X_LOCK (reslock); |
949 | X_LOCK (reslock); |
919 | |
950 | |
920 | ++npending; |
951 | ++npending; |
921 | |
952 | |
922 | if (!reqq_push (&res_queue, req)) |
953 | if (!reqq_push (&res_queue, req) && want_poll_cb) |
923 | want_poll_cb (); |
954 | want_poll_cb (); |
924 | |
955 | |
925 | self->req = 0; |
956 | self->req = 0; |
926 | worker_clear (self); |
957 | worker_clear (self); |
927 | |
958 | |
… | |
… | |
936 | return 0; |
967 | return 0; |
937 | } |
968 | } |
938 | |
969 | |
939 | /*****************************************************************************/ |
970 | /*****************************************************************************/ |
940 | |
971 | |
941 | static void atfork_prepare (void) |
972 | static void eio_atfork_prepare (void) |
942 | { |
973 | { |
943 | X_LOCK (wrklock); |
974 | X_LOCK (wrklock); |
944 | X_LOCK (reqlock); |
975 | X_LOCK (reqlock); |
945 | X_LOCK (reslock); |
976 | X_LOCK (reslock); |
946 | #if !HAVE_PREADWRITE |
977 | #if !HAVE_PREADWRITE |
… | |
… | |
949 | #if !HAVE_READDIR_R |
980 | #if !HAVE_READDIR_R |
950 | X_LOCK (readdirlock); |
981 | X_LOCK (readdirlock); |
951 | #endif |
982 | #endif |
952 | } |
983 | } |
953 | |
984 | |
954 | static void atfork_parent (void) |
985 | static void eio_atfork_parent (void) |
955 | { |
986 | { |
956 | #if !HAVE_READDIR_R |
987 | #if !HAVE_READDIR_R |
957 | X_UNLOCK (readdirlock); |
988 | X_UNLOCK (readdirlock); |
958 | #endif |
989 | #endif |
959 | #if !HAVE_PREADWRITE |
990 | #if !HAVE_PREADWRITE |
… | |
… | |
962 | X_UNLOCK (reslock); |
993 | X_UNLOCK (reslock); |
963 | X_UNLOCK (reqlock); |
994 | X_UNLOCK (reqlock); |
964 | X_UNLOCK (wrklock); |
995 | X_UNLOCK (wrklock); |
965 | } |
996 | } |
966 | |
997 | |
967 | static void atfork_child (void) |
998 | static void eio_atfork_child (void) |
968 | { |
999 | { |
969 | eio_req *prv; |
1000 | eio_req *prv; |
970 | |
1001 | |
971 | while (prv = reqq_shift (&req_queue)) |
1002 | while (prv = reqq_shift (&req_queue)) |
972 | eio_destroy (prv); |
1003 | eio_destroy (prv); |
… | |
… | |
989 | idle = 0; |
1020 | idle = 0; |
990 | nreqs = 0; |
1021 | nreqs = 0; |
991 | nready = 0; |
1022 | nready = 0; |
992 | npending = 0; |
1023 | npending = 0; |
993 | |
1024 | |
994 | atfork_parent (); |
1025 | eio_atfork_parent (); |
995 | } |
1026 | } |
996 | |
1027 | |
997 | int eio_init (void (*want_poll)(void), void (*done_poll)(void)) |
1028 | int eio_init (void (*want_poll)(void), void (*done_poll)(void)) |
998 | { |
1029 | { |
999 | want_poll_cb = want_poll; |
1030 | want_poll_cb = want_poll; |
… | |
… | |
1008 | X_MUTEX_CHECK (readdirlock); |
1039 | X_MUTEX_CHECK (readdirlock); |
1009 | |
1040 | |
1010 | X_COND_CHECK (reqwait); |
1041 | X_COND_CHECK (reqwait); |
1011 | #endif |
1042 | #endif |
1012 | |
1043 | |
1013 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1044 | X_THREAD_ATFORK (eio_atfork_prepare, eio_atfork_parent, eio_atfork_child); |
1014 | } |
1045 | } |
1015 | |
1046 | |
1016 | #if 0 |
1047 | static void eio_api_destroy (eio_req *req) |
|
|
1048 | { |
|
|
1049 | free (req); |
|
|
1050 | } |
1017 | |
1051 | |
|
|
1052 | #define REQ(rtype) \ |
|
|
1053 | eio_req *req; \ |
|
|
1054 | \ |
|
|
1055 | req = (eio_req *)calloc (1, sizeof *req); \ |
|
|
1056 | if (!req) \ |
|
|
1057 | return 0; \ |
|
|
1058 | \ |
|
|
1059 | req->type = rtype; \ |
|
|
1060 | req->pri = pri; \ |
|
|
1061 | req->finish = cb; \ |
|
|
1062 | req->data = data; \ |
|
|
1063 | req->destroy = eio_api_destroy; |
|
|
1064 | |
|
|
1065 | #define SEND eio_submit (req); return req |
|
|
1066 | |
|
|
1067 | #define PATH \ |
|
|
1068 | req->flags |= EIO_FLAG_PTR1_FREE; \ |
|
|
1069 | req->ptr1 = strdup (path); \ |
|
|
1070 | if (!req->ptr1) \ |
|
|
1071 | { \ |
|
|
1072 | eio_api_destroy (req); \ |
|
|
1073 | return 0; \ |
|
|
1074 | } |
|
|
1075 | |
|
|
1076 | #ifndef EIO_NO_WRAPPERS |
|
|
1077 | |
|
|
1078 | eio_req *eio_nop (int pri, eio_cb cb, void *data) |
|
|
1079 | { |
|
|
1080 | REQ (EIO_NOP); SEND; |
|
|
1081 | } |
|
|
1082 | |
|
|
1083 | eio_req *eio_busy (double delay, int pri, eio_cb cb, void *data) |
|
|
1084 | { |
|
|
1085 | REQ (EIO_BUSY); req->nv1 = delay; SEND; |
|
|
1086 | } |
|
|
1087 | |
1018 | eio_req *eio_fsync (int fd, eio_cb cb); |
1088 | eio_req *eio_sync (int pri, eio_cb cb, void *data) |
|
|
1089 | { |
|
|
1090 | REQ (EIO_SYNC); SEND; |
|
|
1091 | } |
|
|
1092 | |
|
|
1093 | eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data) |
|
|
1094 | { |
|
|
1095 | REQ (EIO_FSYNC); req->int1 = fd; SEND; |
|
|
1096 | } |
|
|
1097 | |
1019 | eio_req *eio_fdatasync (int fd, eio_cb cb); |
1098 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
1020 | eio_req *eio_dupclose (int fd, eio_cb cb); |
1099 | { |
|
|
1100 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
|
|
1101 | } |
|
|
1102 | |
|
|
1103 | eio_req *eio_close (int fd, int pri, eio_cb cb, void *data) |
|
|
1104 | { |
|
|
1105 | REQ (EIO_CLOSE); req->int1 = fd; SEND; |
|
|
1106 | } |
|
|
1107 | |
1021 | eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb); |
1108 | eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data) |
1022 | eio_req *eio_read (int fd, off_t offs, size_t length, char *data, eio_cb cb); |
1109 | { |
1023 | eio_req *eio_write (int fd, off_t offs, size_t length, char *data, eio_cb cb); |
1110 | REQ (EIO_READAHEAD); req->int1 = fd; req->offs = offset; req->size = length; SEND; |
1024 | eio_req *eio_fstat (int fd, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ |
1111 | } |
|
|
1112 | |
|
|
1113 | eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data) |
|
|
1114 | { |
|
|
1115 | REQ (EIO_READ); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = buf; SEND; |
|
|
1116 | } |
|
|
1117 | |
|
|
1118 | eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data) |
|
|
1119 | { |
|
|
1120 | REQ (EIO_WRITE); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = buf; SEND; |
|
|
1121 | } |
|
|
1122 | |
|
|
1123 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
|
|
1124 | { |
|
|
1125 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
|
|
1126 | } |
|
|
1127 | |
1025 | eio_req *eio_futime (int fd, double atime, double mtime, eio_cb cb); |
1128 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
|
|
1129 | { |
|
|
1130 | REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; |
|
|
1131 | } |
|
|
1132 | |
1026 | eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb); |
1133 | eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data) |
|
|
1134 | { |
|
|
1135 | REQ (EIO_FTRUNCATE); req->int1 = fd; req->offs = offset; SEND; |
|
|
1136 | } |
|
|
1137 | |
1027 | eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb); |
1138 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data) |
|
|
1139 | { |
|
|
1140 | REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; |
|
|
1141 | } |
|
|
1142 | |
1028 | eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb); |
1143 | eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
|
|
1144 | { |
|
|
1145 | REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
|
|
1146 | } |
|
|
1147 | |
1029 | eio_req *eio_dup2 (int fd, int fd2, eio_cb cb); |
1148 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data) |
|
|
1149 | { |
|
|
1150 | REQ (EIO_DUP2); req->int1 = fd; req->int2 = fd2; SEND; |
|
|
1151 | } |
|
|
1152 | |
1030 | eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb); |
1153 | eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data) |
|
|
1154 | { |
|
|
1155 | REQ (EIO_SENDFILE); req->int1 = out_fd; req->int2 = in_fd; req->offs = in_offset; req->size = length; SEND; |
|
|
1156 | } |
|
|
1157 | |
1031 | eio_req *eio_open (const char *path, int flags, mode_t mode, eio_cb cb); |
1158 | eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data) |
1032 | eio_req *eio_readlink (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ |
1159 | { |
1033 | eio_req *eio_stat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ |
1160 | REQ (EIO_OPEN); PATH; req->int1 = flags; req->int2 = (long)mode; SEND; |
1034 | eio_req *eio_lstat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ |
1161 | } |
|
|
1162 | |
1035 | eio_req *eio_utime (const char *path, double atime, double mtime, eio_cb cb); |
1163 | eio_req *eio_utime (const char *path, double atime, double mtime, int pri, eio_cb cb, void *data) |
|
|
1164 | { |
|
|
1165 | REQ (EIO_UTIME); PATH; req->nv1 = atime; req->nv2 = mtime; SEND; |
|
|
1166 | } |
|
|
1167 | |
1036 | eio_req *eio_truncate (const char *path, off_t offset, eio_cb cb); |
1168 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data) |
1037 | eio_req *eio_chmod (const char *path, mode_t mode, eio_cb cb); |
1169 | { |
1038 | eio_req *eio_mkdir (const char *path, mode_t mode, eio_cb cb); |
1170 | REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND; |
|
|
1171 | } |
|
|
1172 | |
1039 | eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, eio_cb cb); |
1173 | eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
|
|
1174 | { |
|
|
1175 | REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
|
|
1179 | { |
|
|
1180 | REQ (EIO_CHMOD); PATH; req->int2 = (long)mode; SEND; |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
|
|
1184 | { |
|
|
1185 | REQ (EIO_MKDIR); PATH; req->int2 = (long)mode; SEND; |
|
|
1186 | } |
|
|
1187 | |
|
|
1188 | static eio_req * |
|
|
1189 | eio__1path (int type, const char *path, int pri, eio_cb cb, void *data) |
|
|
1190 | { |
|
|
1191 | REQ (type); PATH; SEND; |
|
|
1192 | } |
|
|
1193 | |
|
|
1194 | eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data) |
|
|
1195 | { |
|
|
1196 | return eio__1path (EIO_READLINK, path, pri, cb, data); |
|
|
1197 | } |
|
|
1198 | |
|
|
1199 | eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data) |
|
|
1200 | { |
|
|
1201 | return eio__1path (EIO_STAT, path, pri, cb, data); |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) |
|
|
1205 | { |
|
|
1206 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
|
|
1207 | } |
|
|
1208 | |
1040 | eio_req *eio_unlink (const char *path, eio_cb cb); |
1209 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
|
|
1210 | { |
|
|
1211 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |
|
|
1212 | } |
|
|
1213 | |
1041 | eio_req *eio_rmdir (const char *path, eio_cb cb); |
1214 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data) |
1042 | eio_req *eio_readdir (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ |
1215 | { |
|
|
1216 | return eio__1path (EIO_RMDIR, path, pri, cb, data); |
|
|
1217 | } |
|
|
1218 | |
|
|
1219 | eio_req *eio_readdir (const char *path, int pri, eio_cb cb, void *data) |
|
|
1220 | { |
|
|
1221 | return eio__1path (EIO_READDIR, path, pri, cb, data); |
|
|
1222 | } |
|
|
1223 | |
1043 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, eio_cb cb); |
1224 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1044 | eio_req *eio_busy (double delay, eio_cb cb); /* ties a thread for this long, simulating busyness */ |
|
|
1045 | eio_req *eio_nop (eio_cb cb); /* does nothing except go through the whole process */ |
|
|
1046 | void |
|
|
1047 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
1048 | PROTOTYPE: $$$;$ |
|
|
1049 | PPCODE: |
|
|
1050 | { |
1225 | { |
1051 | dREQ; |
1226 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int2 = (long)dev; SEND; |
1052 | |
|
|
1053 | req->type = EIO_OPEN; |
|
|
1054 | req->sv1 = newSVsv (pathname); |
|
|
1055 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1056 | req->int1 = flags; |
|
|
1057 | req->int2 = mode; |
|
|
1058 | |
|
|
1059 | EIO_SEND; |
|
|
1060 | } |
1227 | } |
1061 | |
1228 | |
1062 | void |
1229 | static eio_req * |
1063 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1230 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1064 | PROTOTYPE: $;$ |
|
|
1065 | ALIAS: |
|
|
1066 | aio_fsync = EIO_FSYNC |
|
|
1067 | aio_fdatasync = EIO_FDATASYNC |
|
|
1068 | PPCODE: |
|
|
1069 | { |
1231 | { |
1070 | dREQ; |
1232 | REQ (type); PATH; |
1071 | |
1233 | |
1072 | req->type = ix; |
|
|
1073 | req->sv1 = newSVsv (fh); |
|
|
1074 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1075 | |
|
|
1076 | EIO_SEND (req); |
|
|
1077 | } |
|
|
1078 | |
|
|
1079 | void |
|
|
1080 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1081 | PROTOTYPE: $;$ |
|
|
1082 | PPCODE: |
|
|
1083 | { |
|
|
1084 | dREQ; |
|
|
1085 | |
|
|
1086 | req->type = EIO_CLOSE; |
|
|
1087 | req->sv1 = newSVsv (fh); |
|
|
1088 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1089 | |
|
|
1090 | EIO_SEND (req); |
|
|
1091 | } |
|
|
1092 | |
|
|
1093 | void |
|
|
1094 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
|
|
1095 | ALIAS: |
|
|
1096 | aio_read = EIO_READ |
|
|
1097 | aio_write = EIO_WRITE |
|
|
1098 | PROTOTYPE: $$$$$;$ |
|
|
1099 | PPCODE: |
|
|
1100 | { |
|
|
1101 | STRLEN svlen; |
|
|
1102 | char *svptr = SvPVbyte (data, svlen); |
|
|
1103 | UV len = SvUV (length); |
|
|
1104 | |
|
|
1105 | SvUPGRADE (data, SVt_PV); |
|
|
1106 | SvPOK_on (data); |
|
|
1107 | |
|
|
1108 | if (dataoffset < 0) |
|
|
1109 | dataoffset += svlen; |
|
|
1110 | |
|
|
1111 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
1112 | croak ("dataoffset outside of data scalar"); |
|
|
1113 | |
|
|
1114 | if (ix == EIO_WRITE) |
|
|
1115 | { |
|
|
1116 | /* write: check length and adjust. */ |
|
|
1117 | if (!SvOK (length) || len + dataoffset > svlen) |
|
|
1118 | len = svlen - dataoffset; |
|
|
1119 | } |
|
|
1120 | else |
|
|
1121 | { |
|
|
1122 | /* read: grow scalar as necessary */ |
|
|
1123 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1124 | } |
|
|
1125 | |
|
|
1126 | if (len < 0) |
|
|
1127 | croak ("length must not be negative"); |
|
|
1128 | |
|
|
1129 | { |
|
|
1130 | dREQ; |
|
|
1131 | |
|
|
1132 | req->type = ix; |
|
|
1133 | req->sv1 = newSVsv (fh); |
|
|
1134 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
|
|
1135 | : IoOFP (sv_2io (fh))); |
|
|
1136 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1137 | req->size = len; |
|
|
1138 | req->sv2 = SvREFCNT_inc (data); |
|
|
1139 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1140 | req->stroffset = dataoffset; |
|
|
1141 | |
|
|
1142 | if (!SvREADONLY (data)) |
|
|
1143 | { |
|
|
1144 | SvREADONLY_on (data); |
|
|
1145 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1146 | } |
|
|
1147 | |
|
|
1148 | EIO_SEND; |
|
|
1149 | } |
|
|
1150 | } |
|
|
1151 | |
|
|
1152 | void |
|
|
1153 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
1154 | PROTOTYPE: $$;$ |
|
|
1155 | PPCODE: |
|
|
1156 | { |
|
|
1157 | SV *data; |
|
|
1158 | dREQ; |
|
|
1159 | |
|
|
1160 | data = newSV (NAME_MAX); |
|
|
1161 | SvPOK_on (data); |
|
|
1162 | |
|
|
1163 | req->type = EIO_READLINK; |
|
|
1164 | req->sv1 = newSVsv (path); |
|
|
1165 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1166 | req->sv2 = data; |
|
|
1167 | req->ptr2 = SvPVbyte_nolen (data); |
|
|
1168 | |
|
|
1169 | EIO_SEND; |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | void |
|
|
1173 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
|
|
1174 | PROTOTYPE: $$$$;$ |
|
|
1175 | PPCODE: |
|
|
1176 | { |
|
|
1177 | dREQ; |
|
|
1178 | |
|
|
1179 | req->type = EIO_SENDFILE; |
|
|
1180 | req->sv1 = newSVsv (out_fh); |
|
|
1181 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
1182 | req->sv2 = newSVsv (in_fh); |
|
|
1183 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
1184 | req->offs = SvVAL64 (in_offset); |
|
|
1185 | req->size = length; |
|
|
1186 | |
|
|
1187 | EIO_SEND; |
|
|
1188 | } |
|
|
1189 | |
|
|
1190 | void |
|
|
1191 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
|
|
1192 | PROTOTYPE: $$$;$ |
|
|
1193 | PPCODE: |
|
|
1194 | { |
|
|
1195 | dREQ; |
|
|
1196 | |
|
|
1197 | req->type = EIO_READAHEAD; |
|
|
1198 | req->sv1 = newSVsv (fh); |
|
|
1199 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1200 | req->offs = SvVAL64 (offset); |
|
|
1201 | req->size = length; |
|
|
1202 | |
|
|
1203 | EIO_SEND; |
|
|
1204 | } |
|
|
1205 | |
|
|
1206 | void |
|
|
1207 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
|
|
1208 | ALIAS: |
|
|
1209 | aio_stat = EIO_STAT |
|
|
1210 | aio_lstat = EIO_LSTAT |
|
|
1211 | PPCODE: |
|
|
1212 | { |
|
|
1213 | dREQ; |
|
|
1214 | |
|
|
1215 | req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); |
|
|
1216 | if (!req->ptr2) |
|
|
1217 | { |
|
|
1218 | req_destroy (req); |
|
|
1219 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1220 | } |
|
|
1221 | |
|
|
1222 | req->flags |= FLAG_PTR2_FREE; |
1234 | req->flags |= EIO_FLAG_PTR2_FREE; |
1223 | req->sv1 = newSVsv (fh_or_path); |
1235 | req->ptr2 = strdup (new_path); |
|
|
1236 | if (!req->ptr2) |
|
|
1237 | { |
|
|
1238 | eio_api_destroy (req); |
|
|
1239 | return 0; |
|
|
1240 | } |
1224 | |
1241 | |
1225 | if (SvPOK (fh_or_path)) |
1242 | SEND; |
1226 | { |
|
|
1227 | req->type = ix; |
|
|
1228 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1229 | } |
|
|
1230 | else |
|
|
1231 | { |
|
|
1232 | req->type = EIO_FSTAT; |
|
|
1233 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | EIO_SEND; |
|
|
1237 | } |
1243 | } |
1238 | |
1244 | |
1239 | void |
1245 | eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1240 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1241 | PPCODE: |
|
|
1242 | { |
1246 | { |
1243 | dREQ; |
1247 | return eio__2path (EIO_LINK, path, new_path, pri, cb, data); |
1244 | |
|
|
1245 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1246 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1247 | req->sv1 = newSVsv (fh_or_path); |
|
|
1248 | |
|
|
1249 | if (SvPOK (fh_or_path)) |
|
|
1250 | { |
|
|
1251 | req->type = EIO_UTIME; |
|
|
1252 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1253 | } |
|
|
1254 | else |
|
|
1255 | { |
|
|
1256 | req->type = EIO_FUTIME; |
|
|
1257 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | EIO_SEND; |
|
|
1261 | } |
1248 | } |
1262 | |
1249 | |
1263 | void |
1250 | eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1264 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1265 | PPCODE: |
|
|
1266 | { |
1251 | { |
1267 | dREQ; |
1252 | return eio__2path (EIO_SYMLINK, path, new_path, pri, cb, data); |
1268 | |
|
|
1269 | req->sv1 = newSVsv (fh_or_path); |
|
|
1270 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1271 | |
|
|
1272 | if (SvPOK (fh_or_path)) |
|
|
1273 | { |
|
|
1274 | req->type = EIO_TRUNCATE; |
|
|
1275 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1276 | } |
|
|
1277 | else |
|
|
1278 | { |
|
|
1279 | req->type = EIO_FTRUNCATE; |
|
|
1280 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1281 | } |
|
|
1282 | |
|
|
1283 | EIO_SEND; |
|
|
1284 | } |
1253 | } |
1285 | |
1254 | |
1286 | void |
1255 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1287 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1288 | ALIAS: |
|
|
1289 | aio_chmod = EIO_CHMOD |
|
|
1290 | aio_fchmod = EIO_FCHMOD |
|
|
1291 | aio_mkdir = EIO_MKDIR |
|
|
1292 | PPCODE: |
|
|
1293 | { |
1256 | { |
1294 | dREQ; |
1257 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
1295 | |
|
|
1296 | req->type = type; |
|
|
1297 | req->int2 = mode; |
|
|
1298 | req->sv1 = newSVsv (fh_or_path); |
|
|
1299 | |
|
|
1300 | if (ix == EIO_FCHMOD) |
|
|
1301 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1302 | else |
|
|
1303 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1304 | |
|
|
1305 | EIO_SEND; |
|
|
1306 | } |
1258 | } |
1307 | |
1259 | |
1308 | void |
|
|
1309 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1310 | PPCODE: |
|
|
1311 | { |
|
|
1312 | dREQ; |
|
|
1313 | |
|
|
1314 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1315 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1316 | req->sv1 = newSVsv (fh_or_path); |
|
|
1317 | |
|
|
1318 | if (SvPOK (fh_or_path)) |
|
|
1319 | { |
|
|
1320 | req->type = EIO_CHOWN; |
|
|
1321 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1322 | } |
|
|
1323 | else |
|
|
1324 | { |
|
|
1325 | req->type = EIO_FCHOWN; |
|
|
1326 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1327 | } |
|
|
1328 | |
|
|
1329 | EIO_SEND; |
|
|
1330 | } |
|
|
1331 | |
|
|
1332 | void |
|
|
1333 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1334 | ALIAS: |
|
|
1335 | aio_unlink = EIO_UNLINK |
|
|
1336 | aio_rmdir = EIO_RMDIR |
|
|
1337 | aio_readdir = EIO_READDIR |
|
|
1338 | PPCODE: |
|
|
1339 | { |
|
|
1340 | dREQ; |
|
|
1341 | |
|
|
1342 | req->type = ix; |
|
|
1343 | req->sv1 = newSVsv (pathname); |
|
|
1344 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1345 | |
|
|
1346 | EIO_SEND; |
|
|
1347 | } |
|
|
1348 | |
|
|
1349 | void |
|
|
1350 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1351 | ALIAS: |
|
|
1352 | aio_link = EIO_LINK |
|
|
1353 | aio_symlink = EIO_SYMLINK |
|
|
1354 | aio_rename = EIO_RENAME |
|
|
1355 | PPCODE: |
|
|
1356 | { |
|
|
1357 | dREQ; |
|
|
1358 | |
|
|
1359 | req->type = ix; |
|
|
1360 | req->sv1 = newSVsv (oldpath); |
|
|
1361 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1362 | req->sv2 = newSVsv (newpath); |
|
|
1363 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1364 | |
|
|
1365 | EIO_SEND; |
|
|
1366 | } |
|
|
1367 | |
|
|
1368 | void |
|
|
1369 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1370 | PPCODE: |
|
|
1371 | { |
|
|
1372 | dREQ; |
|
|
1373 | |
|
|
1374 | req->type = EIO_MKNOD; |
|
|
1375 | req->sv1 = newSVsv (pathname); |
|
|
1376 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1377 | req->int2 = (mode_t)mode; |
|
|
1378 | req->offs = dev; |
|
|
1379 | |
|
|
1380 | EIO_SEND; |
|
|
1381 | } |
|
|
1382 | |
|
|
1383 | void |
|
|
1384 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1385 | PPCODE: |
|
|
1386 | { |
|
|
1387 | dREQ; |
|
|
1388 | |
|
|
1389 | req->type = EIO_BUSY; |
|
|
1390 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1391 | |
|
|
1392 | EIO_SEND; |
|
|
1393 | } |
|
|
1394 | |
|
|
1395 | void |
|
|
1396 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1397 | PROTOTYPE: ;$ |
|
|
1398 | PPCODE: |
|
|
1399 | { |
|
|
1400 | dREQ; |
|
|
1401 | |
|
|
1402 | req->type = EIO_GROUP; |
|
|
1403 | |
|
|
1404 | req_send (req); |
|
|
1405 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1406 | } |
|
|
1407 | |
|
|
1408 | void |
|
|
1409 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1410 | ALIAS: |
|
|
1411 | aio_nop = EIO_NOP |
|
|
1412 | aio_sync = EIO_SYNC |
|
|
1413 | PPCODE: |
|
|
1414 | { |
|
|
1415 | dREQ; |
|
|
1416 | |
|
|
1417 | #endif |
1260 | #endif |
1418 | |
1261 | |
|
|
1262 | eio_req *eio_grp (eio_cb cb, void *data) |
|
|
1263 | { |
|
|
1264 | const int pri = EIO_PRI_MAX; |
|
|
1265 | |
|
|
1266 | REQ (EIO_GROUP); SEND; |
|
|
1267 | } |
|
|
1268 | |
|
|
1269 | #undef REQ |
|
|
1270 | #undef PATH |
|
|
1271 | #undef SEND |
|
|
1272 | |
|
|
1273 | /*****************************************************************************/ |
|
|
1274 | /* grp functions */ |
|
|
1275 | |
1419 | void eio_grp_feed (eio_req *grp, int limit, void (*feed)(eio_req *req)) |
1276 | void eio_grp_feed (eio_req *grp, void (*feed)(eio_req *req), int limit) |
1420 | { |
1277 | { |
1421 | grp->int2 = limit; |
1278 | grp->int2 = limit; |
1422 | grp->feed = feed; |
1279 | grp->feed = feed; |
|
|
1280 | |
|
|
1281 | grp_try_feed (grp); |
|
|
1282 | } |
|
|
1283 | |
|
|
1284 | void eio_grp_limit (eio_req *grp, int limit) |
|
|
1285 | { |
|
|
1286 | grp->int2 = limit; |
|
|
1287 | |
|
|
1288 | grp_try_feed (grp); |
1423 | } |
1289 | } |
1424 | |
1290 | |
1425 | void eio_grp_add (eio_req *grp, eio_req *req) |
1291 | void eio_grp_add (eio_req *grp, eio_req *req) |
1426 | { |
1292 | { |
1427 | assert (("cannot add requests to IO::AIO::GRP after the group finished", grp->int1 != 2)); |
1293 | assert (("cannot add requests to IO::AIO::GRP after the group finished", grp->int1 != 2)); |
… | |
… | |
1436 | grp->grp_first->grp_prev = req; |
1302 | grp->grp_first->grp_prev = req; |
1437 | |
1303 | |
1438 | grp->grp_first = req; |
1304 | grp->grp_first = req; |
1439 | } |
1305 | } |
1440 | |
1306 | |
|
|
1307 | /*****************************************************************************/ |
|
|
1308 | /* misc garbage */ |
1441 | |
1309 | |
|
|
1310 | ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
|
|
1311 | { |
|
|
1312 | worker wrk; |
|
|
1313 | |
|
|
1314 | wrk.dbuf = 0; |
|
|
1315 | |
|
|
1316 | eio__sendfile (ofd, ifd, offset, count, &wrk); |
|
|
1317 | |
|
|
1318 | if (wrk.dbuf) |
|
|
1319 | free (wrk.dbuf); |
|
|
1320 | } |
|
|
1321 | |