… | |
… | |
29 | |
29 | |
30 | enum { |
30 | enum { |
31 | REQ_QUIT, |
31 | REQ_QUIT, |
32 | REQ_OPEN, REQ_CLOSE, |
32 | REQ_OPEN, REQ_CLOSE, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
36 | REQ_UNLINK, REQ_RMDIR, |
|
|
37 | REQ_SYMLINK, |
36 | }; |
38 | }; |
37 | |
39 | |
38 | typedef struct aio_cb { |
40 | typedef struct aio_cb { |
39 | struct aio_cb *volatile next; |
41 | struct aio_cb *volatile next; |
40 | |
42 | |
… | |
… | |
45 | size_t length; |
47 | size_t length; |
46 | ssize_t result; |
48 | ssize_t result; |
47 | mode_t mode; /* open */ |
49 | mode_t mode; /* open */ |
48 | int errorno; |
50 | int errorno; |
49 | SV *data, *callback, *fh; |
51 | SV *data, *callback, *fh; |
50 | void *dataptr; |
52 | void *dataptr, *data2ptr; |
51 | STRLEN dataoffset; |
53 | STRLEN dataoffset; |
52 | |
54 | |
53 | Stat_t *statdata; |
55 | Stat_t *statdata; |
54 | } aio_cb; |
56 | } aio_cb; |
55 | |
57 | |
… | |
… | |
64 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
66 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
65 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
67 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
66 | |
68 | |
67 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
69 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
68 | static volatile aio_req ress, rese; /* queue start, queue end */ |
70 | static volatile aio_req ress, rese; /* queue start, queue end */ |
|
|
71 | |
|
|
72 | static void free_req (aio_req req) |
|
|
73 | { |
|
|
74 | if (req->data) |
|
|
75 | SvREFCNT_dec (req->data); |
|
|
76 | |
|
|
77 | if (req->fh) |
|
|
78 | SvREFCNT_dec (req->fh); |
|
|
79 | |
|
|
80 | if (req->statdata) |
|
|
81 | Safefree (req->statdata); |
|
|
82 | |
|
|
83 | if (req->callback) |
|
|
84 | SvREFCNT_dec (req->callback); |
|
|
85 | |
|
|
86 | Safefree (req); |
|
|
87 | } |
69 | |
88 | |
70 | static void |
89 | static void |
71 | poll_wait () |
90 | poll_wait () |
72 | { |
91 | { |
73 | if (nreqs && !ress) |
92 | if (nreqs && !ress) |
… | |
… | |
83 | static int |
102 | static int |
84 | poll_cb () |
103 | poll_cb () |
85 | { |
104 | { |
86 | dSP; |
105 | dSP; |
87 | int count = 0; |
106 | int count = 0; |
|
|
107 | int do_croak = 0; |
88 | aio_req req, prv; |
108 | aio_req req; |
89 | |
109 | |
90 | pthread_mutex_lock (&reslock); |
110 | for (;;) |
91 | |
|
|
92 | { |
|
|
93 | /* read any signals sent by the worker threads */ |
|
|
94 | char buf [32]; |
|
|
95 | while (read (respipe [0], buf, 32) > 0) |
|
|
96 | ; |
|
|
97 | } |
|
|
98 | |
|
|
99 | req = ress; |
|
|
100 | ress = rese = 0; |
|
|
101 | |
|
|
102 | pthread_mutex_unlock (&reslock); |
|
|
103 | |
|
|
104 | while (req) |
|
|
105 | { |
111 | { |
|
|
112 | pthread_mutex_lock (&reslock); |
|
|
113 | req = ress; |
|
|
114 | |
|
|
115 | if (req) |
|
|
116 | { |
|
|
117 | ress = req->next; |
|
|
118 | |
|
|
119 | if (!ress) |
|
|
120 | { |
|
|
121 | rese = 0; |
|
|
122 | |
|
|
123 | /* read any signals sent by the worker threads */ |
|
|
124 | char buf [32]; |
|
|
125 | while (read (respipe [0], buf, 32) == 32) |
|
|
126 | ; |
|
|
127 | } |
|
|
128 | } |
|
|
129 | |
|
|
130 | pthread_mutex_unlock (&reslock); |
|
|
131 | |
|
|
132 | if (!req) |
|
|
133 | break; |
|
|
134 | |
106 | nreqs--; |
135 | nreqs--; |
107 | |
136 | |
108 | if (req->type == REQ_QUIT) |
137 | if (req->type == REQ_QUIT) |
109 | started--; |
138 | started--; |
110 | else |
139 | else |
111 | { |
140 | { |
112 | int errorno = errno; |
141 | int errorno = errno; |
113 | errno = req->errorno; |
142 | errno = req->errorno; |
114 | |
143 | |
115 | if (req->type == REQ_READ) |
144 | if (req->type == REQ_READ) |
116 | SvCUR_set (req->data, req->dataoffset |
145 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
117 | + req->result > 0 ? req->result : 0); |
|
|
118 | |
146 | |
119 | if (req->data) |
147 | if (req->statdata) |
120 | SvREFCNT_dec (req->data); |
|
|
121 | |
|
|
122 | if (req->fh) |
|
|
123 | SvREFCNT_dec (req->fh); |
|
|
124 | |
|
|
125 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
126 | { |
148 | { |
127 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
149 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
128 | PL_laststatval = req->result; |
150 | PL_laststatval = req->result; |
129 | PL_statcache = *(req->statdata); |
151 | PL_statcache = *(req->statdata); |
130 | |
|
|
131 | Safefree (req->statdata); |
|
|
132 | } |
152 | } |
133 | |
153 | |
134 | ENTER; |
154 | ENTER; |
135 | PUSHMARK (SP); |
155 | PUSHMARK (SP); |
136 | XPUSHs (sv_2mortal (newSViv (req->result))); |
156 | XPUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
153 | if (SvOK (req->callback)) |
173 | if (SvOK (req->callback)) |
154 | { |
174 | { |
155 | PUTBACK; |
175 | PUTBACK; |
156 | call_sv (req->callback, G_VOID | G_EVAL); |
176 | call_sv (req->callback, G_VOID | G_EVAL); |
157 | SPAGAIN; |
177 | SPAGAIN; |
|
|
178 | |
|
|
179 | if (SvTRUE (ERRSV)) |
|
|
180 | { |
|
|
181 | free_req (req); |
|
|
182 | croak (0); |
|
|
183 | } |
158 | } |
184 | } |
159 | |
185 | |
160 | LEAVE; |
186 | LEAVE; |
161 | |
|
|
162 | if (req->callback) |
|
|
163 | SvREFCNT_dec (req->callback); |
|
|
164 | |
187 | |
165 | errno = errorno; |
188 | errno = errorno; |
166 | count++; |
189 | count++; |
167 | } |
190 | } |
168 | |
191 | |
169 | prv = req; |
192 | free_req (req); |
170 | req = req->next; |
|
|
171 | Safefree (prv); |
|
|
172 | |
|
|
173 | /* TODO: croak on errors? */ |
|
|
174 | } |
193 | } |
175 | |
194 | |
176 | return count; |
195 | return count; |
177 | } |
196 | } |
178 | |
197 | |
… | |
… | |
216 | reqe = reqs = req; |
235 | reqe = reqs = req; |
217 | |
236 | |
218 | pthread_cond_signal (&reqwait); |
237 | pthread_cond_signal (&reqwait); |
219 | pthread_mutex_unlock (&reqlock); |
238 | pthread_mutex_unlock (&reqlock); |
220 | |
239 | |
221 | while (nreqs > max_outstanding) |
240 | if (nreqs > max_outstanding) |
|
|
241 | for (;;) |
|
|
242 | { |
|
|
243 | poll_cb (); |
|
|
244 | |
|
|
245 | if (nreqs <= max_outstanding) |
|
|
246 | break; |
|
|
247 | |
|
|
248 | poll_wait (); |
|
|
249 | } |
|
|
250 | } |
|
|
251 | |
|
|
252 | static void |
|
|
253 | end_thread (void) |
|
|
254 | { |
|
|
255 | aio_req req; |
|
|
256 | Newz (0, req, 1, aio_cb); |
|
|
257 | req->type = REQ_QUIT; |
|
|
258 | |
|
|
259 | send_req (req); |
|
|
260 | } |
|
|
261 | |
|
|
262 | static void min_parallel (int nthreads) |
|
|
263 | { |
|
|
264 | while (nthreads > started) |
|
|
265 | start_thread (); |
|
|
266 | } |
|
|
267 | |
|
|
268 | static void max_parallel (int nthreads) |
|
|
269 | { |
|
|
270 | int cur = started; |
|
|
271 | |
|
|
272 | while (cur > nthreads) |
|
|
273 | { |
|
|
274 | end_thread (); |
|
|
275 | cur--; |
|
|
276 | } |
|
|
277 | |
|
|
278 | while (started > nthreads) |
222 | { |
279 | { |
223 | poll_wait (); |
280 | poll_wait (); |
224 | poll_cb (); |
281 | poll_cb (); |
225 | } |
282 | } |
226 | } |
283 | } |
227 | |
284 | |
228 | static void |
285 | static void create_pipe () |
229 | end_thread (void) |
|
|
230 | { |
286 | { |
231 | aio_req req; |
287 | if (pipe (respipe)) |
232 | New (0, req, 1, aio_cb); |
288 | croak ("unable to initialize result pipe"); |
233 | req->type = REQ_QUIT; |
|
|
234 | |
289 | |
235 | send_req (req); |
290 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
236 | } |
291 | croak ("cannot set result pipe to nonblocking mode"); |
237 | |
292 | |
|
|
293 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
294 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
295 | } |
|
|
296 | |
|
|
297 | static void atfork_prepare (void) |
|
|
298 | { |
|
|
299 | for (;;) { |
|
|
300 | |
|
|
301 | for (;;) |
|
|
302 | { |
|
|
303 | poll_cb (); |
|
|
304 | |
|
|
305 | if (!nreqs) |
|
|
306 | break; |
|
|
307 | |
|
|
308 | poll_wait (); |
|
|
309 | } |
|
|
310 | |
|
|
311 | pthread_mutex_lock (&reqlock); |
|
|
312 | |
|
|
313 | if (!nreqs) |
|
|
314 | break; |
|
|
315 | |
|
|
316 | pthread_mutex_unlock (&reqlock); |
|
|
317 | } |
|
|
318 | |
|
|
319 | pthread_mutex_lock (&reslock); |
|
|
320 | |
|
|
321 | assert (!nreqs && !reqs && !ress); |
|
|
322 | } |
|
|
323 | |
|
|
324 | static void atfork_parent (void) |
|
|
325 | { |
|
|
326 | pthread_mutex_unlock (&reslock); |
|
|
327 | pthread_mutex_unlock (&reqlock); |
|
|
328 | } |
|
|
329 | |
|
|
330 | static void atfork_child (void) |
|
|
331 | { |
|
|
332 | int restart = started; |
|
|
333 | started = 0; |
|
|
334 | |
|
|
335 | atfork_parent (); |
|
|
336 | |
|
|
337 | min_parallel (restart); |
|
|
338 | } |
|
|
339 | |
|
|
340 | /*****************************************************************************/ |
238 | /* work around various missing functions */ |
341 | /* work around various missing functions */ |
239 | |
342 | |
240 | #if !HAVE_PREADWRITE |
343 | #if !HAVE_PREADWRITE |
241 | # define pread aio_pread |
344 | # define pread aio_pread |
242 | # define pwrite aio_pwrite |
345 | # define pwrite aio_pwrite |
… | |
… | |
304 | |
407 | |
305 | errno = 0; |
408 | errno = 0; |
306 | } |
409 | } |
307 | #endif |
410 | #endif |
308 | |
411 | |
|
|
412 | /*****************************************************************************/ |
|
|
413 | |
309 | static void * |
414 | static void * |
310 | aio_proc (void *thr_arg) |
415 | aio_proc (void *thr_arg) |
311 | { |
416 | { |
312 | aio_req req; |
417 | aio_req req; |
313 | int type; |
418 | int type; |
… | |
… | |
350 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
455 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
351 | |
456 | |
352 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
457 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
353 | case REQ_CLOSE: req->result = close (req->fd); break; |
458 | case REQ_CLOSE: req->result = close (req->fd); break; |
354 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
459 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
460 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
461 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
355 | |
462 | |
356 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
463 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
357 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
464 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
358 | |
465 | |
359 | case REQ_QUIT: |
466 | case REQ_QUIT: |
… | |
… | |
388 | while (type != REQ_QUIT); |
495 | while (type != REQ_QUIT); |
389 | |
496 | |
390 | return 0; |
497 | return 0; |
391 | } |
498 | } |
392 | |
499 | |
|
|
500 | #define dREQ \ |
|
|
501 | aio_req req; \ |
|
|
502 | \ |
|
|
503 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
504 | croak ("clalback must be undef or of reference type"); \ |
|
|
505 | \ |
|
|
506 | Newz (0, req, 1, aio_cb); \ |
|
|
507 | if (!req) \ |
|
|
508 | croak ("out of memory during aio_req allocation"); \ |
|
|
509 | \ |
|
|
510 | req->callback = newSVsv (callback); |
|
|
511 | |
393 | MODULE = IO::AIO PACKAGE = IO::AIO |
512 | MODULE = IO::AIO PACKAGE = IO::AIO |
394 | |
513 | |
395 | PROTOTYPES: ENABLE |
514 | PROTOTYPES: ENABLE |
396 | |
515 | |
397 | BOOT: |
516 | BOOT: |
398 | { |
517 | { |
399 | if (pipe (respipe)) |
518 | create_pipe (); |
400 | croak ("unable to initialize result pipe"); |
519 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
401 | |
|
|
402 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
403 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
404 | |
|
|
405 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
406 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
407 | } |
520 | } |
408 | |
521 | |
409 | void |
522 | void |
410 | min_parallel(nthreads) |
523 | min_parallel(nthreads) |
411 | int nthreads |
524 | int nthreads |
412 | PROTOTYPE: $ |
525 | PROTOTYPE: $ |
413 | CODE: |
|
|
414 | while (nthreads > started) |
|
|
415 | start_thread (); |
|
|
416 | |
526 | |
417 | void |
527 | void |
418 | max_parallel(nthreads) |
528 | max_parallel(nthreads) |
419 | int nthreads |
529 | int nthreads |
420 | PROTOTYPE: $ |
530 | PROTOTYPE: $ |
421 | CODE: |
|
|
422 | { |
|
|
423 | int cur = started; |
|
|
424 | while (cur > nthreads) |
|
|
425 | { |
|
|
426 | end_thread (); |
|
|
427 | cur--; |
|
|
428 | } |
|
|
429 | |
|
|
430 | while (started > nthreads) |
|
|
431 | { |
|
|
432 | poll_wait (); |
|
|
433 | poll_cb (); |
|
|
434 | } |
|
|
435 | } |
|
|
436 | |
531 | |
437 | int |
532 | int |
438 | max_outstanding(nreqs) |
533 | max_outstanding(nreqs) |
439 | int nreqs |
534 | int nreqs |
440 | PROTOTYPE: $ |
535 | PROTOTYPE: $ |
… | |
… | |
449 | int mode |
544 | int mode |
450 | SV * callback |
545 | SV * callback |
451 | PROTOTYPE: $$$;$ |
546 | PROTOTYPE: $$$;$ |
452 | CODE: |
547 | CODE: |
453 | { |
548 | { |
454 | aio_req req; |
549 | dREQ; |
455 | |
|
|
456 | Newz (0, req, 1, aio_cb); |
|
|
457 | |
|
|
458 | if (!req) |
|
|
459 | croak ("out of memory during aio_req allocation"); |
|
|
460 | |
550 | |
461 | req->type = REQ_OPEN; |
551 | req->type = REQ_OPEN; |
462 | req->data = newSVsv (pathname); |
552 | req->data = newSVsv (pathname); |
463 | req->dataptr = SvPV_nolen (req->data); |
553 | req->dataptr = SvPVbyte_nolen (req->data); |
464 | req->fd = flags; |
554 | req->fd = flags; |
465 | req->mode = mode; |
555 | req->mode = mode; |
466 | req->callback = SvREFCNT_inc (callback); |
|
|
467 | |
556 | |
468 | send_req (req); |
557 | send_req (req); |
469 | } |
558 | } |
470 | |
559 | |
471 | void |
560 | void |
… | |
… | |
477 | aio_close = REQ_CLOSE |
566 | aio_close = REQ_CLOSE |
478 | aio_fsync = REQ_FSYNC |
567 | aio_fsync = REQ_FSYNC |
479 | aio_fdatasync = REQ_FDATASYNC |
568 | aio_fdatasync = REQ_FDATASYNC |
480 | CODE: |
569 | CODE: |
481 | { |
570 | { |
482 | aio_req req; |
571 | dREQ; |
483 | |
|
|
484 | Newz (0, req, 1, aio_cb); |
|
|
485 | |
|
|
486 | if (!req) |
|
|
487 | croak ("out of memory during aio_req allocation"); |
|
|
488 | |
572 | |
489 | req->type = ix; |
573 | req->type = ix; |
490 | req->fh = newSVsv (fh); |
574 | req->fh = newSVsv (fh); |
491 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
575 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
492 | req->callback = SvREFCNT_inc (callback); |
|
|
493 | |
576 | |
494 | send_req (req); |
577 | send_req (req); |
495 | } |
578 | } |
496 | |
579 | |
497 | void |
580 | void |
… | |
… | |
508 | PROTOTYPE: $$$$$;$ |
591 | PROTOTYPE: $$$$$;$ |
509 | CODE: |
592 | CODE: |
510 | { |
593 | { |
511 | aio_req req; |
594 | aio_req req; |
512 | STRLEN svlen; |
595 | STRLEN svlen; |
513 | char *svptr = SvPV (data, svlen); |
596 | char *svptr = SvPVbyte (data, svlen); |
514 | |
597 | |
515 | SvUPGRADE (data, SVt_PV); |
598 | SvUPGRADE (data, SVt_PV); |
516 | SvPOK_on (data); |
599 | SvPOK_on (data); |
517 | |
600 | |
518 | if (dataoffset < 0) |
601 | if (dataoffset < 0) |
… | |
… | |
534 | } |
617 | } |
535 | |
618 | |
536 | if (length < 0) |
619 | if (length < 0) |
537 | croak ("length must not be negative"); |
620 | croak ("length must not be negative"); |
538 | |
621 | |
539 | Newz (0, req, 1, aio_cb); |
622 | { |
|
|
623 | dREQ; |
540 | |
624 | |
541 | if (!req) |
|
|
542 | croak ("out of memory during aio_req allocation"); |
|
|
543 | |
|
|
544 | req->type = ix; |
625 | req->type = ix; |
545 | req->fh = newSVsv (fh); |
626 | req->fh = newSVsv (fh); |
546 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
627 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
547 | : IoOFP (sv_2io (fh))); |
628 | : IoOFP (sv_2io (fh))); |
548 | req->offset = offset; |
629 | req->offset = offset; |
549 | req->length = length; |
630 | req->length = length; |
550 | req->data = SvREFCNT_inc (data); |
631 | req->data = SvREFCNT_inc (data); |
551 | req->dataptr = (char *)svptr + dataoffset; |
632 | req->dataptr = (char *)svptr + dataoffset; |
552 | req->callback = SvREFCNT_inc (callback); |
|
|
553 | |
633 | |
554 | send_req (req); |
634 | send_req (req); |
|
|
635 | } |
555 | } |
636 | } |
556 | |
637 | |
557 | void |
638 | void |
558 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
639 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
559 | SV * fh |
640 | SV * fh |
… | |
… | |
561 | IV length |
642 | IV length |
562 | SV * callback |
643 | SV * callback |
563 | PROTOTYPE: $$$;$ |
644 | PROTOTYPE: $$$;$ |
564 | CODE: |
645 | CODE: |
565 | { |
646 | { |
566 | aio_req req; |
647 | dREQ; |
567 | |
|
|
568 | if (length < 0) |
|
|
569 | croak ("length must not be negative"); |
|
|
570 | |
|
|
571 | Newz (0, req, 1, aio_cb); |
|
|
572 | |
|
|
573 | if (!req) |
|
|
574 | croak ("out of memory during aio_req allocation"); |
|
|
575 | |
648 | |
576 | req->type = REQ_READAHEAD; |
649 | req->type = REQ_READAHEAD; |
577 | req->fh = newSVsv (fh); |
650 | req->fh = newSVsv (fh); |
578 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
651 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
579 | req->offset = offset; |
652 | req->offset = offset; |
580 | req->length = length; |
653 | req->length = length; |
581 | req->callback = SvREFCNT_inc (callback); |
|
|
582 | |
654 | |
583 | send_req (req); |
655 | send_req (req); |
584 | } |
656 | } |
585 | |
657 | |
586 | void |
658 | void |
… | |
… | |
590 | ALIAS: |
662 | ALIAS: |
591 | aio_stat = REQ_STAT |
663 | aio_stat = REQ_STAT |
592 | aio_lstat = REQ_LSTAT |
664 | aio_lstat = REQ_LSTAT |
593 | CODE: |
665 | CODE: |
594 | { |
666 | { |
595 | aio_req req; |
667 | dREQ; |
596 | |
|
|
597 | Newz (0, req, 1, aio_cb); |
|
|
598 | |
|
|
599 | if (!req) |
|
|
600 | croak ("out of memory during aio_req allocation"); |
|
|
601 | |
668 | |
602 | New (0, req->statdata, 1, Stat_t); |
669 | New (0, req->statdata, 1, Stat_t); |
603 | |
|
|
604 | if (!req->statdata) |
670 | if (!req->statdata) |
|
|
671 | { |
|
|
672 | free_req (req); |
605 | croak ("out of memory during aio_req->statdata allocation"); |
673 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
674 | } |
606 | |
675 | |
607 | if (SvPOK (fh_or_path)) |
676 | if (SvPOK (fh_or_path)) |
608 | { |
677 | { |
609 | req->type = ix; |
678 | req->type = ix; |
610 | req->data = newSVsv (fh_or_path); |
679 | req->data = newSVsv (fh_or_path); |
611 | req->dataptr = SvPV_nolen (req->data); |
680 | req->dataptr = SvPVbyte_nolen (req->data); |
612 | } |
681 | } |
613 | else |
682 | else |
614 | { |
683 | { |
615 | req->type = REQ_FSTAT; |
684 | req->type = REQ_FSTAT; |
616 | req->fh = newSVsv (fh_or_path); |
685 | req->fh = newSVsv (fh_or_path); |
617 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
686 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
618 | } |
687 | } |
619 | |
688 | |
620 | req->callback = SvREFCNT_inc (callback); |
|
|
621 | |
|
|
622 | send_req (req); |
689 | send_req (req); |
623 | } |
690 | } |
624 | |
691 | |
625 | void |
692 | void |
626 | aio_unlink(pathname,callback=&PL_sv_undef) |
693 | aio_unlink(pathname,callback=&PL_sv_undef) |
627 | SV * pathname |
694 | SV * pathname |
628 | SV * callback |
695 | SV * callback |
|
|
696 | ALIAS: |
|
|
697 | aio_unlink = REQ_UNLINK |
|
|
698 | aio_rmdir = REQ_RMDIR |
629 | CODE: |
699 | CODE: |
630 | { |
700 | { |
631 | aio_req req; |
701 | dREQ; |
632 | |
702 | |
633 | Newz (0, req, 1, aio_cb); |
703 | req->type = ix; |
|
|
704 | req->data = newSVsv (pathname); |
|
|
705 | req->dataptr = SvPVbyte_nolen (req->data); |
634 | |
706 | |
635 | if (!req) |
707 | send_req (req); |
636 | croak ("out of memory during aio_req allocation"); |
708 | } |
|
|
709 | |
|
|
710 | void |
|
|
711 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
|
|
712 | SV * oldpath |
|
|
713 | SV * newpath |
|
|
714 | SV * callback |
|
|
715 | CODE: |
|
|
716 | { |
|
|
717 | dREQ; |
637 | |
718 | |
638 | req->type = REQ_UNLINK; |
719 | req->type = REQ_SYMLINK; |
|
|
720 | req->fh = newSVsv (oldpath); |
|
|
721 | req->data2ptr = SvPVbyte_nolen (req->fh); |
639 | req->data = newSVsv (pathname); |
722 | req->data = newSVsv (newpath); |
640 | req->dataptr = SvPV_nolen (req->data); |
723 | req->dataptr = SvPVbyte_nolen (req->data); |
641 | req->callback = SvREFCNT_inc (callback); |
|
|
642 | |
724 | |
643 | send_req (req); |
725 | send_req (req); |
644 | } |
726 | } |
645 | |
727 | |
646 | void |
728 | void |