… | |
… | |
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 | |
56 | typedef aio_cb *aio_req; |
58 | typedef aio_cb *aio_req; |
57 | |
59 | |
58 | static int started; |
60 | static int started, wanted; |
59 | static volatile int nreqs; |
61 | static volatile int nreqs; |
60 | static int max_outstanding = 1<<30; |
62 | static int max_outstanding = 1<<30; |
61 | static int respipe [2]; |
63 | static int respipe [2]; |
62 | |
64 | |
63 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
65 | static pthread_mutex_t reslock = 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 */ |
69 | |
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 | } |
|
|
88 | |
70 | static void |
89 | static void |
71 | poll_wait () |
90 | poll_wait () |
72 | { |
91 | { |
73 | if (nreqs && !ress) |
92 | if (nreqs && !ress) |
74 | { |
93 | { |
… | |
… | |
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 | |
|
|
110 | for (;;) |
|
|
111 | { |
90 | pthread_mutex_lock (&reslock); |
112 | pthread_mutex_lock (&reslock); |
|
|
113 | req = ress; |
91 | |
114 | |
92 | { |
115 | if (req) |
|
|
116 | { |
|
|
117 | ress = req->next; |
|
|
118 | |
|
|
119 | if (!ress) |
|
|
120 | { |
93 | /* read any signals sent by the worker threads */ |
121 | /* read any signals sent by the worker threads */ |
94 | char buf [32]; |
122 | char buf [32]; |
95 | while (read (respipe [0], buf, 32) > 0) |
123 | while (read (respipe [0], buf, 32) == 32) |
|
|
124 | ; |
|
|
125 | |
|
|
126 | rese = 0; |
|
|
127 | } |
96 | ; |
128 | } |
97 | } |
|
|
98 | |
129 | |
99 | req = ress; |
|
|
100 | ress = rese = 0; |
|
|
101 | |
|
|
102 | pthread_mutex_unlock (&reslock); |
130 | pthread_mutex_unlock (&reslock); |
103 | |
131 | |
104 | while (req) |
132 | if (!req) |
105 | { |
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 | |
|
|
147 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
148 | SvREADONLY_off (req->data); |
|
|
149 | |
119 | if (req->data) |
150 | 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 | { |
151 | { |
127 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
152 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
128 | PL_laststatval = req->result; |
153 | PL_laststatval = req->result; |
129 | PL_statcache = *(req->statdata); |
154 | PL_statcache = *(req->statdata); |
130 | |
|
|
131 | Safefree (req->statdata); |
|
|
132 | } |
155 | } |
133 | |
156 | |
134 | ENTER; |
157 | ENTER; |
135 | PUSHMARK (SP); |
158 | PUSHMARK (SP); |
136 | XPUSHs (sv_2mortal (newSViv (req->result))); |
159 | XPUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
153 | if (SvOK (req->callback)) |
176 | if (SvOK (req->callback)) |
154 | { |
177 | { |
155 | PUTBACK; |
178 | PUTBACK; |
156 | call_sv (req->callback, G_VOID | G_EVAL); |
179 | call_sv (req->callback, G_VOID | G_EVAL); |
157 | SPAGAIN; |
180 | SPAGAIN; |
|
|
181 | |
|
|
182 | if (SvTRUE (ERRSV)) |
|
|
183 | { |
|
|
184 | free_req (req); |
|
|
185 | croak (0); |
|
|
186 | } |
158 | } |
187 | } |
159 | |
188 | |
160 | LEAVE; |
189 | LEAVE; |
161 | |
|
|
162 | if (req->callback) |
|
|
163 | SvREFCNT_dec (req->callback); |
|
|
164 | |
190 | |
165 | errno = errorno; |
191 | errno = errorno; |
166 | count++; |
192 | count++; |
167 | } |
193 | } |
168 | |
194 | |
169 | prv = req; |
195 | free_req (req); |
170 | req = req->next; |
|
|
171 | Safefree (prv); |
|
|
172 | |
|
|
173 | /* TODO: croak on errors? */ |
|
|
174 | } |
196 | } |
175 | |
197 | |
176 | return count; |
198 | return count; |
177 | } |
199 | } |
178 | |
200 | |
… | |
… | |
199 | } |
221 | } |
200 | |
222 | |
201 | static void |
223 | static void |
202 | send_req (aio_req req) |
224 | send_req (aio_req req) |
203 | { |
225 | { |
|
|
226 | while (started < wanted && nreqs >= started) |
|
|
227 | start_thread (); |
|
|
228 | |
204 | nreqs++; |
229 | nreqs++; |
205 | |
230 | |
206 | pthread_mutex_lock (&reqlock); |
231 | pthread_mutex_lock (&reqlock); |
207 | |
232 | |
208 | req->next = 0; |
233 | req->next = 0; |
… | |
… | |
216 | reqe = reqs = req; |
241 | reqe = reqs = req; |
217 | |
242 | |
218 | pthread_cond_signal (&reqwait); |
243 | pthread_cond_signal (&reqwait); |
219 | pthread_mutex_unlock (&reqlock); |
244 | pthread_mutex_unlock (&reqlock); |
220 | |
245 | |
221 | while (nreqs > max_outstanding) |
246 | if (nreqs > max_outstanding) |
|
|
247 | for (;;) |
|
|
248 | { |
|
|
249 | poll_cb (); |
|
|
250 | |
|
|
251 | if (nreqs <= max_outstanding) |
|
|
252 | break; |
|
|
253 | |
|
|
254 | poll_wait (); |
|
|
255 | } |
|
|
256 | } |
|
|
257 | |
|
|
258 | static void |
|
|
259 | end_thread (void) |
|
|
260 | { |
|
|
261 | aio_req req; |
|
|
262 | Newz (0, req, 1, aio_cb); |
|
|
263 | req->type = REQ_QUIT; |
|
|
264 | |
|
|
265 | send_req (req); |
|
|
266 | } |
|
|
267 | |
|
|
268 | static void min_parallel (int nthreads) |
|
|
269 | { |
|
|
270 | if (wanted < nthreads) |
|
|
271 | wanted = nthreads; |
|
|
272 | } |
|
|
273 | |
|
|
274 | static void max_parallel (int nthreads) |
|
|
275 | { |
|
|
276 | int cur = started; |
|
|
277 | |
|
|
278 | if (wanted > nthreads) |
|
|
279 | wanted = nthreads; |
|
|
280 | |
|
|
281 | while (cur > wanted) |
|
|
282 | { |
|
|
283 | end_thread (); |
|
|
284 | cur--; |
|
|
285 | } |
|
|
286 | |
|
|
287 | while (started > wanted) |
222 | { |
288 | { |
223 | poll_wait (); |
289 | poll_wait (); |
224 | poll_cb (); |
290 | poll_cb (); |
225 | } |
291 | } |
226 | } |
292 | } |
227 | |
293 | |
228 | static void |
294 | static void create_pipe () |
229 | end_thread (void) |
|
|
230 | { |
295 | { |
|
|
296 | if (pipe (respipe)) |
|
|
297 | croak ("unable to initialize result pipe"); |
|
|
298 | |
|
|
299 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
300 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
301 | |
|
|
302 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
303 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
304 | } |
|
|
305 | |
|
|
306 | static void atfork_prepare (void) |
|
|
307 | { |
|
|
308 | pthread_mutex_lock (&reqlock); |
|
|
309 | pthread_mutex_lock (&reslock); |
|
|
310 | } |
|
|
311 | |
|
|
312 | static void atfork_parent (void) |
|
|
313 | { |
|
|
314 | pthread_mutex_unlock (&reslock); |
|
|
315 | pthread_mutex_unlock (&reqlock); |
|
|
316 | } |
|
|
317 | |
|
|
318 | static void atfork_child (void) |
|
|
319 | { |
231 | aio_req req; |
320 | aio_req prv; |
232 | New (0, req, 1, aio_cb); |
|
|
233 | req->type = REQ_QUIT; |
|
|
234 | |
321 | |
235 | send_req (req); |
322 | started = 0; |
236 | } |
|
|
237 | |
323 | |
|
|
324 | while (reqs) |
|
|
325 | { |
|
|
326 | prv = reqs; |
|
|
327 | reqs = prv->next; |
|
|
328 | free_req (prv); |
|
|
329 | } |
|
|
330 | |
|
|
331 | reqs = reqe = 0; |
|
|
332 | |
|
|
333 | while (ress) |
|
|
334 | { |
|
|
335 | prv = ress; |
|
|
336 | ress = prv->next; |
|
|
337 | free_req (prv); |
|
|
338 | } |
|
|
339 | |
|
|
340 | ress = rese = 0; |
|
|
341 | |
|
|
342 | close (respipe [0]); |
|
|
343 | close (respipe [1]); |
|
|
344 | create_pipe (); |
|
|
345 | |
|
|
346 | atfork_parent (); |
|
|
347 | } |
|
|
348 | |
|
|
349 | /*****************************************************************************/ |
238 | /* work around various missing functions */ |
350 | /* work around various missing functions */ |
239 | |
351 | |
240 | #if !HAVE_PREADWRITE |
352 | #if !HAVE_PREADWRITE |
241 | # define pread aio_pread |
353 | # define pread aio_pread |
242 | # define pwrite aio_pwrite |
354 | # define pwrite aio_pwrite |
… | |
… | |
304 | |
416 | |
305 | errno = 0; |
417 | errno = 0; |
306 | } |
418 | } |
307 | #endif |
419 | #endif |
308 | |
420 | |
|
|
421 | /*****************************************************************************/ |
|
|
422 | |
309 | static void * |
423 | static void * |
310 | aio_proc (void *thr_arg) |
424 | aio_proc (void *thr_arg) |
311 | { |
425 | { |
312 | aio_req req; |
426 | aio_req req; |
313 | int type; |
427 | int type; |
… | |
… | |
350 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
464 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
351 | |
465 | |
352 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
466 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
353 | case REQ_CLOSE: req->result = close (req->fd); break; |
467 | case REQ_CLOSE: req->result = close (req->fd); break; |
354 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
468 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
469 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
470 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
355 | |
471 | |
356 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
472 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
357 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
473 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
358 | |
474 | |
359 | case REQ_QUIT: |
475 | case REQ_QUIT: |
… | |
… | |
388 | while (type != REQ_QUIT); |
504 | while (type != REQ_QUIT); |
389 | |
505 | |
390 | return 0; |
506 | return 0; |
391 | } |
507 | } |
392 | |
508 | |
|
|
509 | #define dREQ \ |
|
|
510 | aio_req req; \ |
|
|
511 | \ |
|
|
512 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
513 | croak ("clalback must be undef or of reference type"); \ |
|
|
514 | \ |
|
|
515 | Newz (0, req, 1, aio_cb); \ |
|
|
516 | if (!req) \ |
|
|
517 | croak ("out of memory during aio_req allocation"); \ |
|
|
518 | \ |
|
|
519 | req->callback = newSVsv (callback); |
|
|
520 | |
393 | MODULE = IO::AIO PACKAGE = IO::AIO |
521 | MODULE = IO::AIO PACKAGE = IO::AIO |
394 | |
522 | |
395 | PROTOTYPES: ENABLE |
523 | PROTOTYPES: ENABLE |
396 | |
524 | |
397 | BOOT: |
525 | BOOT: |
398 | { |
526 | { |
399 | if (pipe (respipe)) |
527 | create_pipe (); |
400 | croak ("unable to initialize result pipe"); |
528 | 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 | } |
529 | } |
408 | |
530 | |
409 | void |
531 | void |
410 | min_parallel(nthreads) |
532 | min_parallel(nthreads) |
411 | int nthreads |
533 | int nthreads |
412 | PROTOTYPE: $ |
534 | PROTOTYPE: $ |
413 | CODE: |
|
|
414 | while (nthreads > started) |
|
|
415 | start_thread (); |
|
|
416 | |
535 | |
417 | void |
536 | void |
418 | max_parallel(nthreads) |
537 | max_parallel(nthreads) |
419 | int nthreads |
538 | int nthreads |
420 | PROTOTYPE: $ |
539 | 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 | |
540 | |
437 | int |
541 | int |
438 | max_outstanding(nreqs) |
542 | max_outstanding(nreqs) |
439 | int nreqs |
543 | int nreqs |
440 | PROTOTYPE: $ |
544 | PROTOTYPE: $ |
… | |
… | |
449 | int mode |
553 | int mode |
450 | SV * callback |
554 | SV * callback |
451 | PROTOTYPE: $$$;$ |
555 | PROTOTYPE: $$$;$ |
452 | CODE: |
556 | CODE: |
453 | { |
557 | { |
454 | aio_req req; |
558 | dREQ; |
455 | |
|
|
456 | Newz (0, req, 1, aio_cb); |
|
|
457 | |
|
|
458 | if (!req) |
|
|
459 | croak ("out of memory during aio_req allocation"); |
|
|
460 | |
559 | |
461 | req->type = REQ_OPEN; |
560 | req->type = REQ_OPEN; |
462 | req->data = newSVsv (pathname); |
561 | req->data = newSVsv (pathname); |
463 | req->dataptr = SvPV_nolen (req->data); |
562 | req->dataptr = SvPVbyte_nolen (req->data); |
464 | req->fd = flags; |
563 | req->fd = flags; |
465 | req->mode = mode; |
564 | req->mode = mode; |
466 | req->callback = SvREFCNT_inc (callback); |
|
|
467 | |
565 | |
468 | send_req (req); |
566 | send_req (req); |
469 | } |
567 | } |
470 | |
568 | |
471 | void |
569 | void |
… | |
… | |
477 | aio_close = REQ_CLOSE |
575 | aio_close = REQ_CLOSE |
478 | aio_fsync = REQ_FSYNC |
576 | aio_fsync = REQ_FSYNC |
479 | aio_fdatasync = REQ_FDATASYNC |
577 | aio_fdatasync = REQ_FDATASYNC |
480 | CODE: |
578 | CODE: |
481 | { |
579 | { |
482 | aio_req req; |
580 | dREQ; |
483 | |
|
|
484 | Newz (0, req, 1, aio_cb); |
|
|
485 | |
|
|
486 | if (!req) |
|
|
487 | croak ("out of memory during aio_req allocation"); |
|
|
488 | |
581 | |
489 | req->type = ix; |
582 | req->type = ix; |
490 | req->fh = newSVsv (fh); |
583 | req->fh = newSVsv (fh); |
491 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
584 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
492 | req->callback = SvREFCNT_inc (callback); |
|
|
493 | |
585 | |
494 | send_req (req); |
586 | send_req (req); |
495 | } |
587 | } |
496 | |
588 | |
497 | void |
589 | void |
… | |
… | |
534 | } |
626 | } |
535 | |
627 | |
536 | if (length < 0) |
628 | if (length < 0) |
537 | croak ("length must not be negative"); |
629 | croak ("length must not be negative"); |
538 | |
630 | |
539 | Newz (0, req, 1, aio_cb); |
631 | { |
|
|
632 | dREQ; |
540 | |
633 | |
541 | if (!req) |
|
|
542 | croak ("out of memory during aio_req allocation"); |
|
|
543 | |
|
|
544 | req->type = ix; |
634 | req->type = ix; |
545 | req->fh = newSVsv (fh); |
635 | req->fh = newSVsv (fh); |
546 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
636 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
547 | : IoOFP (sv_2io (fh))); |
637 | : IoOFP (sv_2io (fh))); |
548 | req->offset = offset; |
638 | req->offset = offset; |
549 | req->length = length; |
639 | req->length = length; |
550 | req->data = SvREFCNT_inc (data); |
640 | req->data = SvREFCNT_inc (data); |
551 | req->dataptr = (char *)svptr + dataoffset; |
641 | req->dataptr = (char *)svptr + dataoffset; |
552 | req->callback = SvREFCNT_inc (callback); |
|
|
553 | |
642 | |
|
|
643 | if (!SvREADONLY (data)) |
|
|
644 | { |
|
|
645 | SvREADONLY_on (data); |
|
|
646 | req->data2ptr = (void *)data; |
|
|
647 | } |
|
|
648 | |
554 | send_req (req); |
649 | send_req (req); |
|
|
650 | } |
555 | } |
651 | } |
556 | |
652 | |
557 | void |
653 | void |
558 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
654 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
559 | SV * fh |
655 | SV * fh |
… | |
… | |
561 | IV length |
657 | IV length |
562 | SV * callback |
658 | SV * callback |
563 | PROTOTYPE: $$$;$ |
659 | PROTOTYPE: $$$;$ |
564 | CODE: |
660 | CODE: |
565 | { |
661 | { |
566 | aio_req req; |
662 | 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 | |
663 | |
576 | req->type = REQ_READAHEAD; |
664 | req->type = REQ_READAHEAD; |
577 | req->fh = newSVsv (fh); |
665 | req->fh = newSVsv (fh); |
578 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
666 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
579 | req->offset = offset; |
667 | req->offset = offset; |
580 | req->length = length; |
668 | req->length = length; |
581 | req->callback = SvREFCNT_inc (callback); |
|
|
582 | |
669 | |
583 | send_req (req); |
670 | send_req (req); |
584 | } |
671 | } |
585 | |
672 | |
586 | void |
673 | void |
… | |
… | |
590 | ALIAS: |
677 | ALIAS: |
591 | aio_stat = REQ_STAT |
678 | aio_stat = REQ_STAT |
592 | aio_lstat = REQ_LSTAT |
679 | aio_lstat = REQ_LSTAT |
593 | CODE: |
680 | CODE: |
594 | { |
681 | { |
595 | aio_req req; |
682 | dREQ; |
596 | |
|
|
597 | Newz (0, req, 1, aio_cb); |
|
|
598 | |
|
|
599 | if (!req) |
|
|
600 | croak ("out of memory during aio_req allocation"); |
|
|
601 | |
683 | |
602 | New (0, req->statdata, 1, Stat_t); |
684 | New (0, req->statdata, 1, Stat_t); |
603 | |
|
|
604 | if (!req->statdata) |
685 | if (!req->statdata) |
|
|
686 | { |
|
|
687 | free_req (req); |
605 | croak ("out of memory during aio_req->statdata allocation"); |
688 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
689 | } |
606 | |
690 | |
607 | if (SvPOK (fh_or_path)) |
691 | if (SvPOK (fh_or_path)) |
608 | { |
692 | { |
609 | req->type = ix; |
693 | req->type = ix; |
610 | req->data = newSVsv (fh_or_path); |
694 | req->data = newSVsv (fh_or_path); |
611 | req->dataptr = SvPV_nolen (req->data); |
695 | req->dataptr = SvPVbyte_nolen (req->data); |
612 | } |
696 | } |
613 | else |
697 | else |
614 | { |
698 | { |
615 | req->type = REQ_FSTAT; |
699 | req->type = REQ_FSTAT; |
616 | req->fh = newSVsv (fh_or_path); |
700 | req->fh = newSVsv (fh_or_path); |
617 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
701 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
618 | } |
702 | } |
619 | |
703 | |
620 | req->callback = SvREFCNT_inc (callback); |
|
|
621 | |
|
|
622 | send_req (req); |
704 | send_req (req); |
623 | } |
705 | } |
624 | |
706 | |
625 | void |
707 | void |
626 | aio_unlink(pathname,callback=&PL_sv_undef) |
708 | aio_unlink(pathname,callback=&PL_sv_undef) |
627 | SV * pathname |
709 | SV * pathname |
628 | SV * callback |
710 | SV * callback |
|
|
711 | ALIAS: |
|
|
712 | aio_unlink = REQ_UNLINK |
|
|
713 | aio_rmdir = REQ_RMDIR |
629 | CODE: |
714 | CODE: |
630 | { |
715 | { |
631 | aio_req req; |
716 | dREQ; |
632 | |
717 | |
633 | Newz (0, req, 1, aio_cb); |
718 | req->type = ix; |
|
|
719 | req->data = newSVsv (pathname); |
|
|
720 | req->dataptr = SvPVbyte_nolen (req->data); |
634 | |
721 | |
635 | if (!req) |
722 | send_req (req); |
636 | croak ("out of memory during aio_req allocation"); |
723 | } |
|
|
724 | |
|
|
725 | void |
|
|
726 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
|
|
727 | SV * oldpath |
|
|
728 | SV * newpath |
|
|
729 | SV * callback |
|
|
730 | CODE: |
|
|
731 | { |
|
|
732 | dREQ; |
637 | |
733 | |
638 | req->type = REQ_UNLINK; |
734 | req->type = REQ_SYMLINK; |
|
|
735 | req->fh = newSVsv (oldpath); |
|
|
736 | req->data2ptr = SvPVbyte_nolen (req->fh); |
639 | req->data = newSVsv (pathname); |
737 | req->data = newSVsv (newpath); |
640 | req->dataptr = SvPV_nolen (req->data); |
738 | req->dataptr = SvPVbyte_nolen (req->data); |
641 | req->callback = SvREFCNT_inc (callback); |
|
|
642 | |
739 | |
643 | send_req (req); |
740 | send_req (req); |
644 | } |
741 | } |
645 | |
742 | |
646 | void |
743 | void |