… | |
… | |
43 | # else |
43 | # else |
44 | # error sendfile support requested but not available |
44 | # error sendfile support requested but not available |
45 | # endif |
45 | # endif |
46 | #endif |
46 | #endif |
47 | |
47 | |
|
|
48 | /* number of seconds after which idle threads exit */ |
|
|
49 | #define IDLE_TIMEOUT 10 |
|
|
50 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
51 | /* used for struct dirent, AIX doesn't provide it */ |
49 | #ifndef NAME_MAX |
52 | #ifndef NAME_MAX |
50 | # define NAME_MAX 4096 |
53 | # define NAME_MAX 4096 |
51 | #endif |
54 | #endif |
52 | |
55 | |
… | |
… | |
65 | |
68 | |
66 | /* wether word reads are potentially non-atomic. |
69 | /* wether word reads are potentially non-atomic. |
67 | * this is conservatice, likely most arches this runs |
70 | * this is conservatice, likely most arches this runs |
68 | * on have atomic word read/writes. |
71 | * on have atomic word read/writes. |
69 | */ |
72 | */ |
70 | #ifndef WORDREAD_UNSAFE |
73 | #ifndef WORDACCESS_UNSAFE |
71 | # if __i386 || __x86_64 |
74 | # if __i386 || __x86_64 |
72 | # define WORDREAD_UNSAFE 0 |
75 | # define WORDACCESS_UNSAFE 0 |
73 | # else |
76 | # else |
74 | # define WORDREAD_UNSAFE 1 |
77 | # define WORDACCESS_UNSAFE 1 |
75 | # endif |
78 | # endif |
76 | #endif |
79 | #endif |
77 | |
80 | |
78 | /* buffer size for various temporary buffers */ |
81 | /* buffer size for various temporary buffers */ |
79 | #define AIO_BUFSIZE 65536 |
82 | #define AIO_BUFSIZE 65536 |
… | |
… | |
83 | LOCK (wrklock); \ |
86 | LOCK (wrklock); \ |
84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
85 | UNLOCK (wrklock); \ |
88 | UNLOCK (wrklock); \ |
86 | if (!aio_buf) \ |
89 | if (!aio_buf) \ |
87 | return -1; |
90 | return -1; |
|
|
91 | |
|
|
92 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
88 | |
93 | |
89 | enum { |
94 | enum { |
90 | REQ_QUIT, |
95 | REQ_QUIT, |
91 | REQ_OPEN, REQ_CLOSE, |
96 | REQ_OPEN, REQ_CLOSE, |
92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
97 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
93 | REQ_SENDFILE, |
98 | REQ_SENDFILE, |
94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
99 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
95 | REQ_FSYNC, REQ_FDATASYNC, |
100 | REQ_FSYNC, REQ_FDATASYNC, |
96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
101 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
97 | REQ_MKNOD, REQ_READDIR, |
102 | REQ_MKNOD, REQ_READDIR, |
98 | REQ_LINK, REQ_SYMLINK, |
103 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
99 | REQ_GROUP, REQ_NOP, |
104 | REQ_GROUP, REQ_NOP, |
100 | REQ_BUSY, |
105 | REQ_BUSY, |
101 | }; |
106 | }; |
102 | |
107 | |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
108 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
… | |
105 | |
110 | |
106 | typedef struct aio_cb |
111 | typedef struct aio_cb |
107 | { |
112 | { |
108 | struct aio_cb *volatile next; |
113 | struct aio_cb *volatile next; |
109 | |
114 | |
110 | SV *data, *callback; |
115 | SV *callback, *fh; |
111 | SV *fh, *fh2; |
116 | SV *sv1, *sv2; |
112 | void *dataptr, *data2ptr; |
117 | void *ptr1, *ptr2; |
113 | Stat_t *statdata; |
|
|
114 | off_t offset; |
118 | off_t offs; |
115 | size_t length; |
119 | size_t size; |
116 | ssize_t result; |
120 | ssize_t result; |
117 | |
121 | |
118 | STRLEN dataoffset; |
122 | STRLEN stroffset; |
119 | int type; |
123 | int type; |
120 | int fd, fd2; |
124 | int int1, int2; |
121 | int errorno; |
125 | int errorno; |
122 | mode_t mode; /* open */ |
126 | mode_t mode; /* open */ |
123 | |
127 | |
124 | unsigned char flags; |
128 | unsigned char flags; |
125 | unsigned char pri; |
129 | unsigned char pri; |
… | |
… | |
127 | SV *self; /* the perl counterpart of this request, if any */ |
131 | SV *self; /* the perl counterpart of this request, if any */ |
128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
132 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
129 | } aio_cb; |
133 | } aio_cb; |
130 | |
134 | |
131 | enum { |
135 | enum { |
132 | FLAG_CANCELLED = 0x01, |
136 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
|
|
137 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
|
|
138 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
133 | }; |
139 | }; |
134 | |
140 | |
135 | typedef aio_cb *aio_req; |
141 | typedef aio_cb *aio_req; |
136 | typedef aio_cb *aio_req_ornot; |
142 | typedef aio_cb *aio_req_ornot; |
137 | |
143 | |
… | |
… | |
142 | DEFAULT_PRI = 0, |
148 | DEFAULT_PRI = 0, |
143 | PRI_BIAS = -PRI_MIN, |
149 | PRI_BIAS = -PRI_MIN, |
144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
150 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
145 | }; |
151 | }; |
146 | |
152 | |
|
|
153 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
|
|
154 | |
|
|
155 | static unsigned int max_poll_time = 0; |
|
|
156 | static unsigned int max_poll_reqs = 0; |
|
|
157 | |
|
|
158 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
|
159 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
|
160 | { |
|
|
161 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
|
162 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
|
163 | } |
|
|
164 | |
147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
148 | |
166 | |
149 | static unsigned int started, wanted; |
167 | static unsigned int started, idle, wanted; |
150 | |
168 | |
151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
169 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
170 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
153 | #else |
171 | #else |
154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
172 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
… | |
… | |
196 | |
214 | |
197 | free (wrk); |
215 | free (wrk); |
198 | } |
216 | } |
199 | |
217 | |
200 | static volatile unsigned int nreqs, nready, npending; |
218 | static volatile unsigned int nreqs, nready, npending; |
|
|
219 | static volatile unsigned int max_idle = 4; |
201 | static volatile unsigned int max_outstanding = 0xffffffff; |
220 | static volatile unsigned int max_outstanding = 0xffffffff; |
202 | static int respipe [2]; |
221 | static int respipe [2]; |
203 | |
222 | |
204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
223 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
224 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
225 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
207 | |
226 | |
208 | #if WORDREAD_UNSAFE |
227 | #if WORDACCESS_UNSAFE |
209 | |
228 | |
210 | static unsigned int get_nready () |
229 | static unsigned int get_nready () |
211 | { |
230 | { |
212 | unsigned int retval; |
231 | unsigned int retval; |
213 | |
232 | |
… | |
… | |
227 | UNLOCK (reslock); |
246 | UNLOCK (reslock); |
228 | |
247 | |
229 | return retval; |
248 | return retval; |
230 | } |
249 | } |
231 | |
250 | |
|
|
251 | static unsigned int get_nthreads () |
|
|
252 | { |
|
|
253 | unsigned int retval; |
|
|
254 | |
|
|
255 | LOCK (wrklock); |
|
|
256 | retval = started; |
|
|
257 | UNLOCK (wrklock); |
|
|
258 | |
|
|
259 | return retval; |
|
|
260 | } |
|
|
261 | |
232 | #else |
262 | #else |
233 | |
263 | |
234 | # define get_nready() nready |
264 | # define get_nready() nready |
235 | # define get_npending() npending |
265 | # define get_npending() npending |
|
|
266 | # define get_nthreads() started |
236 | |
267 | |
237 | #endif |
268 | #endif |
238 | |
269 | |
239 | /* |
270 | /* |
240 | * a somewhat faster data structure might be nice, but |
271 | * a somewhat faster data structure might be nice, but |
… | |
… | |
288 | } |
319 | } |
289 | |
320 | |
290 | abort (); |
321 | abort (); |
291 | } |
322 | } |
292 | |
323 | |
293 | static int poll_cb (int max); |
324 | static int poll_cb (); |
294 | static void req_invoke (aio_req req); |
325 | static void req_invoke (aio_req req); |
295 | static void req_free (aio_req req); |
326 | static void req_free (aio_req req); |
296 | static void req_cancel (aio_req req); |
327 | static void req_cancel (aio_req req); |
297 | |
328 | |
298 | /* must be called at most once */ |
329 | /* must be called at most once */ |
… | |
… | |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
350 | return mg ? (aio_req)mg->mg_ptr : 0; |
320 | } |
351 | } |
321 | |
352 | |
322 | static void aio_grp_feed (aio_req grp) |
353 | static void aio_grp_feed (aio_req grp) |
323 | { |
354 | { |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
355 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
325 | { |
356 | { |
326 | int old_len = grp->length; |
357 | int old_len = grp->size; |
327 | |
358 | |
328 | if (grp->fh2 && SvOK (grp->fh2)) |
359 | if (grp->sv2 && SvOK (grp->sv2)) |
329 | { |
360 | { |
330 | dSP; |
361 | dSP; |
331 | |
362 | |
332 | ENTER; |
363 | ENTER; |
333 | SAVETMPS; |
364 | SAVETMPS; |
334 | PUSHMARK (SP); |
365 | PUSHMARK (SP); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
366 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
336 | PUTBACK; |
367 | PUTBACK; |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
368 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
338 | SPAGAIN; |
369 | SPAGAIN; |
339 | FREETMPS; |
370 | FREETMPS; |
340 | LEAVE; |
371 | LEAVE; |
341 | } |
372 | } |
342 | |
373 | |
343 | /* stop if no progress has been made */ |
374 | /* stop if no progress has been made */ |
344 | if (old_len == grp->length) |
375 | if (old_len == grp->size) |
345 | { |
376 | { |
346 | SvREFCNT_dec (grp->fh2); |
377 | SvREFCNT_dec (grp->sv2); |
347 | grp->fh2 = 0; |
378 | grp->sv2 = 0; |
348 | break; |
379 | break; |
349 | } |
380 | } |
350 | } |
381 | } |
351 | } |
382 | } |
352 | |
383 | |
353 | static void aio_grp_dec (aio_req grp) |
384 | static void aio_grp_dec (aio_req grp) |
354 | { |
385 | { |
355 | --grp->length; |
386 | --grp->size; |
356 | |
387 | |
357 | /* call feeder, if applicable */ |
388 | /* call feeder, if applicable */ |
358 | aio_grp_feed (grp); |
389 | aio_grp_feed (grp); |
359 | |
390 | |
360 | /* finish, if done */ |
391 | /* finish, if done */ |
361 | if (!grp->length && grp->fd) |
392 | if (!grp->size && grp->int1) |
362 | { |
393 | { |
363 | req_invoke (grp); |
394 | req_invoke (grp); |
364 | req_free (grp); |
395 | req_free (grp); |
365 | } |
396 | } |
366 | } |
397 | } |
367 | |
398 | |
368 | static void req_invoke (aio_req req) |
399 | static void req_invoke (aio_req req) |
369 | { |
400 | { |
370 | dSP; |
401 | dSP; |
|
|
402 | |
|
|
403 | if (req->flags & FLAG_SV1_RO_OFF) |
|
|
404 | SvREADONLY_off (req->sv1); |
371 | |
405 | |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
406 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
373 | { |
407 | { |
374 | ENTER; |
408 | ENTER; |
375 | SAVETMPS; |
409 | SAVETMPS; |
… | |
… | |
383 | SV *rv = &PL_sv_undef; |
417 | SV *rv = &PL_sv_undef; |
384 | |
418 | |
385 | if (req->result >= 0) |
419 | if (req->result >= 0) |
386 | { |
420 | { |
387 | int i; |
421 | int i; |
388 | char *buf = req->data2ptr; |
422 | char *buf = req->ptr2; |
389 | AV *av = newAV (); |
423 | AV *av = newAV (); |
390 | |
424 | |
391 | av_extend (av, req->result - 1); |
425 | av_extend (av, req->result - 1); |
392 | |
426 | |
393 | for (i = 0; i < req->result; ++i) |
427 | for (i = 0; i < req->result; ++i) |
… | |
… | |
413 | PUSHs (sv_2mortal (newSViv (req->result))); |
447 | PUSHs (sv_2mortal (newSViv (req->result))); |
414 | PUTBACK; |
448 | PUTBACK; |
415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
449 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
416 | SPAGAIN; |
450 | SPAGAIN; |
417 | |
451 | |
418 | fh = SvREFCNT_inc (POPs); |
452 | fh = POPs; |
419 | |
|
|
420 | PUSHMARK (SP); |
453 | PUSHMARK (SP); |
421 | XPUSHs (sv_2mortal (fh)); |
454 | XPUSHs (fh); |
422 | } |
455 | } |
423 | break; |
456 | break; |
424 | |
457 | |
425 | case REQ_GROUP: |
458 | case REQ_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
459 | req->int1 = 2; /* mark group as finished */ |
427 | |
460 | |
428 | if (req->data) |
461 | if (req->sv1) |
429 | { |
462 | { |
430 | int i; |
463 | int i; |
431 | AV *av = (AV *)req->data; |
464 | AV *av = (AV *)req->sv1; |
432 | |
465 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
466 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
467 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
468 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
469 | } |
… | |
… | |
438 | |
471 | |
439 | case REQ_NOP: |
472 | case REQ_NOP: |
440 | case REQ_BUSY: |
473 | case REQ_BUSY: |
441 | break; |
474 | break; |
442 | |
475 | |
|
|
476 | case REQ_READLINK: |
|
|
477 | if (req->result > 0) |
|
|
478 | { |
|
|
479 | SvCUR_set (req->sv1, req->result); |
|
|
480 | *SvEND (req->sv1) = 0; |
|
|
481 | PUSHs (req->sv1); |
|
|
482 | } |
|
|
483 | break; |
|
|
484 | |
|
|
485 | case REQ_STAT: |
|
|
486 | case REQ_LSTAT: |
|
|
487 | case REQ_FSTAT: |
|
|
488 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
489 | PL_laststatval = req->result; |
|
|
490 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
491 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
492 | break; |
|
|
493 | |
|
|
494 | case REQ_READ: |
|
|
495 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
496 | *SvEND (req->sv1) = 0; |
|
|
497 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
498 | break; |
|
|
499 | |
443 | default: |
500 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
501 | PUSHs (sv_2mortal (newSViv (req->result))); |
445 | break; |
502 | break; |
446 | } |
503 | } |
447 | |
504 | |
… | |
… | |
482 | { |
539 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
540 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
541 | SvREFCNT_dec (req->self); |
485 | } |
542 | } |
486 | |
543 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
544 | SvREFCNT_dec (req->fh); |
|
|
545 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
546 | SvREFCNT_dec (req->sv2); |
490 | SvREFCNT_dec (req->callback); |
547 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
548 | |
493 | if (req->type == REQ_READDIR) |
549 | if (req->flags & FLAG_PTR2_FREE) |
494 | free (req->data2ptr); |
550 | free (req->ptr2); |
495 | |
551 | |
496 | Safefree (req); |
552 | Safefree (req); |
497 | } |
553 | } |
498 | |
554 | |
499 | static void req_cancel_subs (aio_req grp) |
555 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
501 | aio_req sub; |
557 | aio_req sub; |
502 | |
558 | |
503 | if (grp->type != REQ_GROUP) |
559 | if (grp->type != REQ_GROUP) |
504 | return; |
560 | return; |
505 | |
561 | |
506 | SvREFCNT_dec (grp->fh2); |
562 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
563 | grp->sv2 = 0; |
508 | |
564 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
565 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
510 | req_cancel (sub); |
566 | req_cancel (sub); |
511 | } |
567 | } |
512 | |
568 | |
… | |
… | |
556 | UNLOCK (wrklock); |
612 | UNLOCK (wrklock); |
557 | } |
613 | } |
558 | |
614 | |
559 | static void maybe_start_thread () |
615 | static void maybe_start_thread () |
560 | { |
616 | { |
561 | #if 0 |
617 | if (get_nthreads () >= wanted) |
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
618 | return; |
568 | |
619 | |
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
620 | /* todo: maybe use idle here, but might be less exact */ |
|
|
621 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
570 | return; |
622 | return; |
571 | |
|
|
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
623 | |
590 | start_thread (); |
624 | start_thread (); |
591 | } |
625 | } |
592 | |
626 | |
593 | static void req_send (aio_req req) |
627 | static void req_send (aio_req req) |
… | |
… | |
610 | Newz (0, req, 1, aio_cb); |
644 | Newz (0, req, 1, aio_cb); |
611 | |
645 | |
612 | req->type = REQ_QUIT; |
646 | req->type = REQ_QUIT; |
613 | req->pri = PRI_MAX + PRI_BIAS; |
647 | req->pri = PRI_MAX + PRI_BIAS; |
614 | |
648 | |
615 | req_send (req); |
649 | LOCK (reqlock); |
|
|
650 | reqq_push (&req_queue, req); |
|
|
651 | pthread_cond_signal (&reqwait); |
|
|
652 | UNLOCK (reqlock); |
616 | |
653 | |
617 | LOCK (wrklock); |
654 | LOCK (wrklock); |
618 | --started; |
655 | --started; |
619 | UNLOCK (wrklock); |
656 | UNLOCK (wrklock); |
620 | } |
657 | } |
621 | |
658 | |
|
|
659 | static void set_max_idle (int nthreads) |
|
|
660 | { |
|
|
661 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
662 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
663 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
664 | } |
|
|
665 | |
622 | static void min_parallel (int nthreads) |
666 | static void min_parallel (int nthreads) |
623 | { |
667 | { |
624 | if (wanted < nthreads) |
668 | if (wanted < nthreads) |
625 | wanted = nthreads; |
669 | wanted = nthreads; |
626 | } |
670 | } |
… | |
… | |
639 | fd_set rfd; |
683 | fd_set rfd; |
640 | |
684 | |
641 | while (nreqs) |
685 | while (nreqs) |
642 | { |
686 | { |
643 | int size; |
687 | int size; |
644 | if (WORDREAD_UNSAFE) LOCK (reslock); |
688 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
645 | size = res_queue.size; |
689 | size = res_queue.size; |
646 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
690 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
647 | |
691 | |
648 | if (size) |
692 | if (size) |
649 | return; |
693 | return; |
650 | |
694 | |
651 | maybe_start_thread (); |
695 | maybe_start_thread (); |
… | |
… | |
655 | |
699 | |
656 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
700 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
657 | } |
701 | } |
658 | } |
702 | } |
659 | |
703 | |
660 | static int poll_cb (int max) |
704 | static int poll_cb () |
661 | { |
705 | { |
662 | dSP; |
706 | dSP; |
663 | int count = 0; |
707 | int count = 0; |
|
|
708 | int maxreqs = max_poll_reqs; |
664 | int do_croak = 0; |
709 | int do_croak = 0; |
|
|
710 | struct timeval tv_start, tv_now; |
665 | aio_req req; |
711 | aio_req req; |
|
|
712 | |
|
|
713 | if (max_poll_time) |
|
|
714 | gettimeofday (&tv_start, 0); |
666 | |
715 | |
667 | for (;;) |
716 | for (;;) |
668 | { |
717 | { |
669 | while (max <= 0 || count < max) |
718 | for (;;) |
670 | { |
719 | { |
671 | maybe_start_thread (); |
720 | maybe_start_thread (); |
672 | |
721 | |
673 | LOCK (reslock); |
722 | LOCK (reslock); |
674 | req = reqq_shift (&res_queue); |
723 | req = reqq_shift (&res_queue); |
… | |
… | |
691 | if (!req) |
740 | if (!req) |
692 | break; |
741 | break; |
693 | |
742 | |
694 | --nreqs; |
743 | --nreqs; |
695 | |
744 | |
696 | if (req->type == REQ_GROUP && req->length) |
745 | if (req->type == REQ_GROUP && req->size) |
697 | { |
746 | { |
698 | req->fd = 1; /* mark request as delayed */ |
747 | req->int1 = 1; /* mark request as delayed */ |
699 | continue; |
748 | continue; |
700 | } |
749 | } |
701 | else |
750 | else |
702 | { |
751 | { |
703 | if (req->type == REQ_READ) |
|
|
704 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
705 | |
|
|
706 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
707 | SvREADONLY_off (req->data); |
|
|
708 | |
|
|
709 | if (req->statdata) |
|
|
710 | { |
|
|
711 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
712 | PL_laststatval = req->result; |
|
|
713 | PL_statcache = *(req->statdata); |
|
|
714 | } |
|
|
715 | |
|
|
716 | req_invoke (req); |
752 | req_invoke (req); |
717 | |
753 | |
718 | count++; |
754 | count++; |
719 | } |
755 | } |
720 | |
756 | |
721 | req_free (req); |
757 | req_free (req); |
|
|
758 | |
|
|
759 | if (maxreqs && !--maxreqs) |
|
|
760 | break; |
|
|
761 | |
|
|
762 | if (max_poll_time) |
|
|
763 | { |
|
|
764 | gettimeofday (&tv_now, 0); |
|
|
765 | |
|
|
766 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
767 | break; |
|
|
768 | } |
722 | } |
769 | } |
723 | |
770 | |
724 | if (nreqs <= max_outstanding) |
771 | if (nreqs <= max_outstanding) |
725 | break; |
772 | break; |
726 | |
773 | |
727 | poll_wait (); |
774 | poll_wait (); |
728 | |
775 | |
729 | max = 0; |
776 | ++maxreqs; |
730 | } |
777 | } |
731 | |
778 | |
732 | return count; |
779 | return count; |
733 | } |
780 | } |
734 | |
781 | |
… | |
… | |
952 | int memofs = 0; |
999 | int memofs = 0; |
953 | int res = 0; |
1000 | int res = 0; |
954 | int errorno; |
1001 | int errorno; |
955 | |
1002 | |
956 | LOCK (wrklock); |
1003 | LOCK (wrklock); |
957 | self->dirp = dirp = opendir (req->dataptr); |
1004 | self->dirp = dirp = opendir (req->ptr1); |
958 | self->dbuf = u = malloc (sizeof (*u)); |
1005 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1006 | req->flags |= FLAG_PTR2_FREE; |
959 | req->data2ptr = names = malloc (memlen); |
1007 | req->ptr2 = names = malloc (memlen); |
960 | UNLOCK (wrklock); |
1008 | UNLOCK (wrklock); |
961 | |
1009 | |
962 | if (dirp && u && names) |
1010 | if (dirp && u && names) |
963 | for (;;) |
1011 | for (;;) |
964 | { |
1012 | { |
… | |
… | |
978 | |
1026 | |
979 | while (memofs + len > memlen) |
1027 | while (memofs + len > memlen) |
980 | { |
1028 | { |
981 | memlen *= 2; |
1029 | memlen *= 2; |
982 | LOCK (wrklock); |
1030 | LOCK (wrklock); |
983 | req->data2ptr = names = realloc (names, memlen); |
1031 | req->ptr2 = names = realloc (names, memlen); |
984 | UNLOCK (wrklock); |
1032 | UNLOCK (wrklock); |
985 | |
1033 | |
986 | if (!names) |
1034 | if (!names) |
987 | break; |
1035 | break; |
988 | } |
1036 | } |
… | |
… | |
1001 | /*****************************************************************************/ |
1049 | /*****************************************************************************/ |
1002 | |
1050 | |
1003 | static void *aio_proc (void *thr_arg) |
1051 | static void *aio_proc (void *thr_arg) |
1004 | { |
1052 | { |
1005 | aio_req req; |
1053 | aio_req req; |
|
|
1054 | struct timespec ts; |
1006 | worker *self = (worker *)thr_arg; |
1055 | worker *self = (worker *)thr_arg; |
|
|
1056 | |
|
|
1057 | /* try to distribute timeouts somewhat evenly */ |
|
|
1058 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1059 | * (1000000000UL / 1024UL); |
1007 | |
1060 | |
1008 | for (;;) |
1061 | for (;;) |
1009 | { |
1062 | { |
|
|
1063 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1064 | |
1010 | LOCK (reqlock); |
1065 | LOCK (reqlock); |
1011 | |
1066 | |
1012 | for (;;) |
1067 | for (;;) |
1013 | { |
1068 | { |
1014 | self->req = req = reqq_shift (&req_queue); |
1069 | self->req = req = reqq_shift (&req_queue); |
1015 | |
1070 | |
1016 | if (req) |
1071 | if (req) |
1017 | break; |
1072 | break; |
1018 | |
1073 | |
|
|
1074 | ++idle; |
|
|
1075 | |
|
|
1076 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1077 | == ETIMEDOUT) |
|
|
1078 | { |
|
|
1079 | if (idle > max_idle) |
|
|
1080 | { |
|
|
1081 | --idle; |
|
|
1082 | UNLOCK (reqlock); |
|
|
1083 | LOCK (wrklock); |
|
|
1084 | --started; |
|
|
1085 | UNLOCK (wrklock); |
|
|
1086 | goto quit; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | /* we are allowed to idle, so do so without any timeout */ |
1019 | pthread_cond_wait (&reqwait, &reqlock); |
1090 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1091 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | --idle; |
1020 | } |
1095 | } |
1021 | |
1096 | |
1022 | --nready; |
1097 | --nready; |
1023 | |
1098 | |
1024 | UNLOCK (reqlock); |
1099 | UNLOCK (reqlock); |
… | |
… | |
1026 | errno = 0; /* strictly unnecessary */ |
1101 | errno = 0; /* strictly unnecessary */ |
1027 | |
1102 | |
1028 | if (!(req->flags & FLAG_CANCELLED)) |
1103 | if (!(req->flags & FLAG_CANCELLED)) |
1029 | switch (req->type) |
1104 | switch (req->type) |
1030 | { |
1105 | { |
1031 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1106 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1032 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1107 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1033 | |
1108 | |
1034 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1109 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1035 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1110 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1036 | |
1111 | |
1037 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1112 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1038 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1113 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1039 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1114 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1040 | |
1115 | |
1041 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1116 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1042 | case REQ_CLOSE: req->result = close (req->fd); break; |
1117 | case REQ_CLOSE: req->result = close (req->int1); break; |
1043 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1118 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1044 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1119 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1045 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1120 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1046 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1121 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1047 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1122 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1048 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
1123 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1124 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1049 | |
1125 | |
1050 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1126 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1051 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1127 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1052 | case REQ_READDIR: scandir_ (req, self); break; |
1128 | case REQ_READDIR: scandir_ (req, self); break; |
1053 | |
1129 | |
1054 | case REQ_BUSY: |
1130 | case REQ_BUSY: |
1055 | { |
1131 | { |
1056 | struct timeval tv; |
1132 | struct timeval tv; |
1057 | |
1133 | |
1058 | tv.tv_sec = req->fd; |
1134 | tv.tv_sec = req->int1; |
1059 | tv.tv_usec = req->fd2; |
1135 | tv.tv_usec = req->int2; |
1060 | |
1136 | |
1061 | req->result = select (0, 0, 0, 0, &tv); |
1137 | req->result = select (0, 0, 0, 0, &tv); |
1062 | } |
1138 | } |
1063 | |
1139 | |
1064 | case REQ_GROUP: |
1140 | case REQ_GROUP: |
1065 | case REQ_NOP: |
1141 | case REQ_NOP: |
1066 | break; |
1142 | break; |
1067 | |
1143 | |
1068 | case REQ_QUIT: |
1144 | case REQ_QUIT: |
1069 | LOCK (wrklock); |
1145 | goto quit; |
1070 | worker_free (self); |
|
|
1071 | --started; |
|
|
1072 | UNLOCK (wrklock); |
|
|
1073 | return 0; |
|
|
1074 | |
1146 | |
1075 | default: |
1147 | default: |
1076 | req->result = ENOSYS; |
1148 | req->result = ENOSYS; |
1077 | break; |
1149 | break; |
1078 | } |
1150 | } |
… | |
… | |
1090 | self->req = 0; |
1162 | self->req = 0; |
1091 | worker_clear (self); |
1163 | worker_clear (self); |
1092 | |
1164 | |
1093 | UNLOCK (reslock); |
1165 | UNLOCK (reslock); |
1094 | } |
1166 | } |
|
|
1167 | |
|
|
1168 | quit: |
|
|
1169 | LOCK (wrklock); |
|
|
1170 | worker_free (self); |
|
|
1171 | UNLOCK (wrklock); |
|
|
1172 | |
|
|
1173 | return 0; |
1095 | } |
1174 | } |
1096 | |
1175 | |
1097 | /*****************************************************************************/ |
1176 | /*****************************************************************************/ |
1098 | |
1177 | |
1099 | static void atfork_prepare (void) |
1178 | static void atfork_prepare (void) |
… | |
… | |
1141 | |
1220 | |
1142 | worker_clear (wrk); |
1221 | worker_clear (wrk); |
1143 | worker_free (wrk); |
1222 | worker_free (wrk); |
1144 | } |
1223 | } |
1145 | |
1224 | |
1146 | started = 0; |
1225 | started = 0; |
|
|
1226 | idle = 0; |
1147 | nreqs = 0; |
1227 | nreqs = 0; |
|
|
1228 | nready = 0; |
|
|
1229 | npending = 0; |
1148 | |
1230 | |
1149 | close (respipe [0]); |
1231 | close (respipe [0]); |
1150 | close (respipe [1]); |
1232 | close (respipe [1]); |
1151 | create_pipe (); |
1233 | create_pipe (); |
1152 | |
1234 | |
… | |
… | |
1179 | PROTOTYPES: ENABLE |
1261 | PROTOTYPES: ENABLE |
1180 | |
1262 | |
1181 | BOOT: |
1263 | BOOT: |
1182 | { |
1264 | { |
1183 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1265 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1266 | |
1184 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1267 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1185 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1268 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1186 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1269 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1187 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1270 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1188 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1271 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1272 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1189 | |
1273 | |
1190 | create_pipe (); |
1274 | create_pipe (); |
1191 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1275 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1192 | |
|
|
1193 | start_thread (); |
|
|
1194 | } |
1276 | } |
|
|
1277 | |
|
|
1278 | void |
|
|
1279 | max_poll_reqs (int nreqs) |
|
|
1280 | PROTOTYPE: $ |
|
|
1281 | CODE: |
|
|
1282 | max_poll_reqs = nreqs; |
|
|
1283 | |
|
|
1284 | void |
|
|
1285 | max_poll_time (double nseconds) |
|
|
1286 | PROTOTYPE: $ |
|
|
1287 | CODE: |
|
|
1288 | max_poll_time = nseconds * AIO_TICKS; |
1195 | |
1289 | |
1196 | void |
1290 | void |
1197 | min_parallel (int nthreads) |
1291 | min_parallel (int nthreads) |
1198 | PROTOTYPE: $ |
1292 | PROTOTYPE: $ |
1199 | |
1293 | |
1200 | void |
1294 | void |
1201 | max_parallel (int nthreads) |
1295 | max_parallel (int nthreads) |
1202 | PROTOTYPE: $ |
1296 | PROTOTYPE: $ |
|
|
1297 | |
|
|
1298 | void |
|
|
1299 | max_idle (int nthreads) |
|
|
1300 | PROTOTYPE: $ |
|
|
1301 | CODE: |
|
|
1302 | set_max_idle (nthreads); |
1203 | |
1303 | |
1204 | int |
1304 | int |
1205 | max_outstanding (int maxreqs) |
1305 | max_outstanding (int maxreqs) |
1206 | PROTOTYPE: $ |
1306 | PROTOTYPE: $ |
1207 | CODE: |
1307 | CODE: |
… | |
… | |
1210 | OUTPUT: |
1310 | OUTPUT: |
1211 | RETVAL |
1311 | RETVAL |
1212 | |
1312 | |
1213 | void |
1313 | void |
1214 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1314 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1215 | SV * pathname |
1315 | SV8 * pathname |
1216 | int flags |
1316 | int flags |
1217 | int mode |
1317 | int mode |
1218 | SV * callback |
1318 | SV * callback |
1219 | PROTOTYPE: $$$;$ |
1319 | PROTOTYPE: $$$;$ |
1220 | PPCODE: |
1320 | PPCODE: |
1221 | { |
1321 | { |
1222 | dREQ; |
1322 | dREQ; |
1223 | |
1323 | |
1224 | req->type = REQ_OPEN; |
1324 | req->type = REQ_OPEN; |
1225 | req->data = newSVsv (pathname); |
1325 | req->sv1 = newSVsv (pathname); |
1226 | req->dataptr = SvPVbyte_nolen (req->data); |
1326 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1227 | req->fd = flags; |
1327 | req->int1 = flags; |
1228 | req->mode = mode; |
1328 | req->mode = mode; |
1229 | |
1329 | |
1230 | REQ_SEND; |
1330 | REQ_SEND; |
1231 | } |
1331 | } |
1232 | |
1332 | |
… | |
… | |
1242 | PPCODE: |
1342 | PPCODE: |
1243 | { |
1343 | { |
1244 | dREQ; |
1344 | dREQ; |
1245 | |
1345 | |
1246 | req->type = ix; |
1346 | req->type = ix; |
1247 | req->fh = newSVsv (fh); |
1347 | req->fh = newSVsv (fh); |
1248 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1348 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1249 | |
1349 | |
1250 | REQ_SEND (req); |
1350 | REQ_SEND (req); |
1251 | } |
1351 | } |
1252 | |
1352 | |
1253 | void |
1353 | void |
1254 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1354 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1255 | SV * fh |
1355 | SV * fh |
1256 | UV offset |
1356 | UV offset |
1257 | UV length |
1357 | UV length |
1258 | SV * data |
1358 | SV8 * data |
1259 | UV dataoffset |
1359 | UV dataoffset |
1260 | SV * callback |
1360 | SV * callback |
1261 | ALIAS: |
1361 | ALIAS: |
1262 | aio_read = REQ_READ |
1362 | aio_read = REQ_READ |
1263 | aio_write = REQ_WRITE |
1363 | aio_write = REQ_WRITE |
1264 | PROTOTYPE: $$$$$;$ |
1364 | PROTOTYPE: $$$$$;$ |
1265 | PPCODE: |
1365 | PPCODE: |
1266 | { |
1366 | { |
1267 | aio_req req; |
|
|
1268 | STRLEN svlen; |
1367 | STRLEN svlen; |
1269 | char *svptr = SvPVbyte (data, svlen); |
1368 | char *svptr = SvPVbyte (data, svlen); |
1270 | |
1369 | |
1271 | SvUPGRADE (data, SVt_PV); |
1370 | SvUPGRADE (data, SVt_PV); |
1272 | SvPOK_on (data); |
1371 | SvPOK_on (data); |
… | |
… | |
1294 | |
1393 | |
1295 | { |
1394 | { |
1296 | dREQ; |
1395 | dREQ; |
1297 | |
1396 | |
1298 | req->type = ix; |
1397 | req->type = ix; |
1299 | req->fh = newSVsv (fh); |
1398 | req->fh = newSVsv (fh); |
1300 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1399 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1301 | : IoOFP (sv_2io (fh))); |
1400 | : IoOFP (sv_2io (fh))); |
1302 | req->offset = offset; |
1401 | req->offs = offset; |
1303 | req->length = length; |
1402 | req->size = length; |
1304 | req->data = SvREFCNT_inc (data); |
1403 | req->sv1 = SvREFCNT_inc (data); |
1305 | req->dataptr = (char *)svptr + dataoffset; |
1404 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1405 | req->stroffset = dataoffset; |
1306 | |
1406 | |
1307 | if (!SvREADONLY (data)) |
1407 | if (!SvREADONLY (data)) |
1308 | { |
1408 | { |
1309 | SvREADONLY_on (data); |
1409 | SvREADONLY_on (data); |
1310 | req->data2ptr = (void *)data; |
1410 | req->flags |= FLAG_SV1_RO_OFF; |
1311 | } |
1411 | } |
1312 | |
1412 | |
1313 | REQ_SEND; |
1413 | REQ_SEND; |
1314 | } |
1414 | } |
|
|
1415 | } |
|
|
1416 | |
|
|
1417 | void |
|
|
1418 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1419 | SV8 * path |
|
|
1420 | SV * callback |
|
|
1421 | PROTOTYPE: $$;$ |
|
|
1422 | PPCODE: |
|
|
1423 | { |
|
|
1424 | SV *data; |
|
|
1425 | dREQ; |
|
|
1426 | |
|
|
1427 | data = newSV (NAME_MAX); |
|
|
1428 | SvPOK_on (data); |
|
|
1429 | |
|
|
1430 | req->type = REQ_READLINK; |
|
|
1431 | req->fh = newSVsv (path); |
|
|
1432 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1433 | req->sv1 = data; |
|
|
1434 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1435 | |
|
|
1436 | REQ_SEND; |
1315 | } |
1437 | } |
1316 | |
1438 | |
1317 | void |
1439 | void |
1318 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1440 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1319 | SV * out_fh |
1441 | SV * out_fh |
… | |
… | |
1325 | PPCODE: |
1447 | PPCODE: |
1326 | { |
1448 | { |
1327 | dREQ; |
1449 | dREQ; |
1328 | |
1450 | |
1329 | req->type = REQ_SENDFILE; |
1451 | req->type = REQ_SENDFILE; |
1330 | req->fh = newSVsv (out_fh); |
1452 | req->fh = newSVsv (out_fh); |
1331 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1453 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1332 | req->fh2 = newSVsv (in_fh); |
1454 | req->sv2 = newSVsv (in_fh); |
1333 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1455 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1334 | req->offset = in_offset; |
1456 | req->offs = in_offset; |
1335 | req->length = length; |
1457 | req->size = length; |
1336 | |
1458 | |
1337 | REQ_SEND; |
1459 | REQ_SEND; |
1338 | } |
1460 | } |
1339 | |
1461 | |
1340 | void |
1462 | void |
… | |
… | |
1347 | PPCODE: |
1469 | PPCODE: |
1348 | { |
1470 | { |
1349 | dREQ; |
1471 | dREQ; |
1350 | |
1472 | |
1351 | req->type = REQ_READAHEAD; |
1473 | req->type = REQ_READAHEAD; |
1352 | req->fh = newSVsv (fh); |
1474 | req->fh = newSVsv (fh); |
1353 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1475 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1354 | req->offset = offset; |
1476 | req->offs = offset; |
1355 | req->length = length; |
1477 | req->size = length; |
1356 | |
1478 | |
1357 | REQ_SEND; |
1479 | REQ_SEND; |
1358 | } |
1480 | } |
1359 | |
1481 | |
1360 | void |
1482 | void |
1361 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1483 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1362 | SV * fh_or_path |
1484 | SV8 * fh_or_path |
1363 | SV * callback |
1485 | SV * callback |
1364 | ALIAS: |
1486 | ALIAS: |
1365 | aio_stat = REQ_STAT |
1487 | aio_stat = REQ_STAT |
1366 | aio_lstat = REQ_LSTAT |
1488 | aio_lstat = REQ_LSTAT |
1367 | PPCODE: |
1489 | PPCODE: |
1368 | { |
1490 | { |
1369 | dREQ; |
1491 | dREQ; |
1370 | |
1492 | |
1371 | New (0, req->statdata, 1, Stat_t); |
1493 | req->ptr2 = malloc (sizeof (Stat_t)); |
1372 | if (!req->statdata) |
1494 | if (!req->ptr2) |
1373 | { |
1495 | { |
1374 | req_free (req); |
1496 | req_free (req); |
1375 | croak ("out of memory during aio_req->statdata allocation"); |
1497 | croak ("out of memory during aio_stat statdata allocation"); |
1376 | } |
1498 | } |
|
|
1499 | |
|
|
1500 | req->flags |= FLAG_PTR2_FREE; |
1377 | |
1501 | |
1378 | if (SvPOK (fh_or_path)) |
1502 | if (SvPOK (fh_or_path)) |
1379 | { |
1503 | { |
1380 | req->type = ix; |
1504 | req->type = ix; |
1381 | req->data = newSVsv (fh_or_path); |
1505 | req->sv1 = newSVsv (fh_or_path); |
1382 | req->dataptr = SvPVbyte_nolen (req->data); |
1506 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1383 | } |
1507 | } |
1384 | else |
1508 | else |
1385 | { |
1509 | { |
1386 | req->type = REQ_FSTAT; |
1510 | req->type = REQ_FSTAT; |
1387 | req->fh = newSVsv (fh_or_path); |
1511 | req->fh = newSVsv (fh_or_path); |
1388 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1512 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1389 | } |
1513 | } |
1390 | |
1514 | |
1391 | REQ_SEND; |
1515 | REQ_SEND; |
1392 | } |
1516 | } |
1393 | |
1517 | |
1394 | void |
1518 | void |
1395 | aio_unlink (pathname,callback=&PL_sv_undef) |
1519 | aio_unlink (pathname,callback=&PL_sv_undef) |
1396 | SV * pathname |
1520 | SV8 * pathname |
1397 | SV * callback |
1521 | SV * callback |
1398 | ALIAS: |
1522 | ALIAS: |
1399 | aio_unlink = REQ_UNLINK |
1523 | aio_unlink = REQ_UNLINK |
1400 | aio_rmdir = REQ_RMDIR |
1524 | aio_rmdir = REQ_RMDIR |
1401 | aio_readdir = REQ_READDIR |
1525 | aio_readdir = REQ_READDIR |
1402 | PPCODE: |
1526 | PPCODE: |
1403 | { |
1527 | { |
1404 | dREQ; |
1528 | dREQ; |
1405 | |
1529 | |
1406 | req->type = ix; |
1530 | req->type = ix; |
1407 | req->data = newSVsv (pathname); |
1531 | req->sv1 = newSVsv (pathname); |
1408 | req->dataptr = SvPVbyte_nolen (req->data); |
1532 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1409 | |
1533 | |
1410 | REQ_SEND; |
1534 | REQ_SEND; |
1411 | } |
1535 | } |
1412 | |
1536 | |
1413 | void |
1537 | void |
1414 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1538 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1415 | SV * oldpath |
1539 | SV8 * oldpath |
1416 | SV * newpath |
1540 | SV8 * newpath |
1417 | SV * callback |
1541 | SV * callback |
1418 | ALIAS: |
1542 | ALIAS: |
1419 | aio_link = REQ_LINK |
1543 | aio_link = REQ_LINK |
1420 | aio_symlink = REQ_SYMLINK |
1544 | aio_symlink = REQ_SYMLINK |
1421 | aio_rename = REQ_RENAME |
1545 | aio_rename = REQ_RENAME |
1422 | PPCODE: |
1546 | PPCODE: |
1423 | { |
1547 | { |
1424 | dREQ; |
1548 | dREQ; |
1425 | |
1549 | |
1426 | req->type = ix; |
1550 | req->type = ix; |
1427 | req->fh = newSVsv (oldpath); |
1551 | req->fh = newSVsv (oldpath); |
1428 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1552 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1429 | req->data = newSVsv (newpath); |
1553 | req->sv1 = newSVsv (newpath); |
1430 | req->dataptr = SvPVbyte_nolen (req->data); |
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1431 | |
1555 | |
1432 | REQ_SEND; |
1556 | REQ_SEND; |
1433 | } |
1557 | } |
1434 | |
1558 | |
1435 | void |
1559 | void |
1436 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1560 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1437 | SV * pathname |
1561 | SV8 * pathname |
1438 | SV * callback |
1562 | SV * callback |
1439 | UV mode |
1563 | UV mode |
1440 | UV dev |
1564 | UV dev |
1441 | PPCODE: |
1565 | PPCODE: |
1442 | { |
1566 | { |
1443 | dREQ; |
1567 | dREQ; |
1444 | |
1568 | |
1445 | req->type = REQ_MKNOD; |
1569 | req->type = REQ_MKNOD; |
1446 | req->data = newSVsv (pathname); |
1570 | req->sv1 = newSVsv (pathname); |
1447 | req->dataptr = SvPVbyte_nolen (req->data); |
1571 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1448 | req->mode = (mode_t)mode; |
1572 | req->mode = (mode_t)mode; |
1449 | req->offset = dev; |
1573 | req->offs = dev; |
1450 | |
1574 | |
1451 | REQ_SEND; |
1575 | REQ_SEND; |
1452 | } |
1576 | } |
1453 | |
1577 | |
1454 | void |
1578 | void |
1455 | aio_busy (delay,callback=&PL_sv_undef) |
1579 | aio_busy (delay,callback=&PL_sv_undef) |
1456 | double delay |
1580 | double delay |
1457 | SV * callback |
1581 | SV * callback |
1458 | PPCODE: |
1582 | PPCODE: |
1459 | { |
1583 | { |
1460 | dREQ; |
1584 | dREQ; |
1461 | |
1585 | |
1462 | req->type = REQ_BUSY; |
1586 | req->type = REQ_BUSY; |
1463 | req->fd = delay < 0. ? 0 : delay; |
1587 | req->int1 = delay < 0. ? 0 : delay; |
1464 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1588 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1465 | |
1589 | |
1466 | REQ_SEND; |
1590 | REQ_SEND; |
1467 | } |
1591 | } |
1468 | |
1592 | |
1469 | void |
1593 | void |
… | |
… | |
1473 | PPCODE: |
1597 | PPCODE: |
1474 | { |
1598 | { |
1475 | dREQ; |
1599 | dREQ; |
1476 | |
1600 | |
1477 | req->type = REQ_GROUP; |
1601 | req->type = REQ_GROUP; |
|
|
1602 | |
1478 | req_send (req); |
1603 | req_send (req); |
1479 | |
|
|
1480 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1604 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1481 | } |
1605 | } |
1482 | |
1606 | |
1483 | void |
1607 | void |
1484 | aio_nop (callback=&PL_sv_undef) |
1608 | aio_nop (callback=&PL_sv_undef) |
1485 | SV * callback |
1609 | SV * callback |
1486 | PPCODE: |
1610 | PPCODE: |
1487 | { |
1611 | { |
1488 | dREQ; |
1612 | dREQ; |
1489 | |
1613 | |
1490 | req->type = REQ_NOP; |
1614 | req->type = REQ_NOP; |
… | |
… | |
1519 | PROTOTYPE: |
1643 | PROTOTYPE: |
1520 | CODE: |
1644 | CODE: |
1521 | while (nreqs) |
1645 | while (nreqs) |
1522 | { |
1646 | { |
1523 | poll_wait (); |
1647 | poll_wait (); |
1524 | poll_cb (0); |
1648 | poll_cb (); |
1525 | } |
1649 | } |
1526 | |
1650 | |
1527 | void |
1651 | int |
1528 | poll() |
1652 | poll() |
1529 | PROTOTYPE: |
1653 | PROTOTYPE: |
1530 | CODE: |
1654 | CODE: |
1531 | if (nreqs) |
|
|
1532 | { |
|
|
1533 | poll_wait (); |
1655 | poll_wait (); |
1534 | poll_cb (0); |
1656 | RETVAL = poll_cb (); |
1535 | } |
1657 | OUTPUT: |
|
|
1658 | RETVAL |
1536 | |
1659 | |
1537 | int |
1660 | int |
1538 | poll_fileno() |
1661 | poll_fileno() |
1539 | PROTOTYPE: |
1662 | PROTOTYPE: |
1540 | CODE: |
1663 | CODE: |
… | |
… | |
1544 | |
1667 | |
1545 | int |
1668 | int |
1546 | poll_cb(...) |
1669 | poll_cb(...) |
1547 | PROTOTYPE: |
1670 | PROTOTYPE: |
1548 | CODE: |
1671 | CODE: |
1549 | RETVAL = poll_cb (0); |
1672 | RETVAL = poll_cb (); |
1550 | OUTPUT: |
|
|
1551 | RETVAL |
|
|
1552 | |
|
|
1553 | int |
|
|
1554 | poll_some(int max = 0) |
|
|
1555 | PROTOTYPE: $ |
|
|
1556 | CODE: |
|
|
1557 | RETVAL = poll_cb (max); |
|
|
1558 | OUTPUT: |
1673 | OUTPUT: |
1559 | RETVAL |
1674 | RETVAL |
1560 | |
1675 | |
1561 | void |
1676 | void |
1562 | poll_wait() |
1677 | poll_wait() |
1563 | PROTOTYPE: |
1678 | PROTOTYPE: |
1564 | CODE: |
1679 | CODE: |
1565 | if (nreqs) |
|
|
1566 | poll_wait (); |
1680 | poll_wait (); |
1567 | |
1681 | |
1568 | int |
1682 | int |
1569 | nreqs() |
1683 | nreqs() |
1570 | PROTOTYPE: |
1684 | PROTOTYPE: |
1571 | CODE: |
1685 | CODE: |
… | |
… | |
1587 | CODE: |
1701 | CODE: |
1588 | RETVAL = get_npending (); |
1702 | RETVAL = get_npending (); |
1589 | OUTPUT: |
1703 | OUTPUT: |
1590 | RETVAL |
1704 | RETVAL |
1591 | |
1705 | |
|
|
1706 | int |
|
|
1707 | nthreads() |
|
|
1708 | PROTOTYPE: |
|
|
1709 | CODE: |
|
|
1710 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1711 | RETVAL = started; |
|
|
1712 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1713 | OUTPUT: |
|
|
1714 | RETVAL |
|
|
1715 | |
1592 | PROTOTYPES: DISABLE |
1716 | PROTOTYPES: DISABLE |
1593 | |
1717 | |
1594 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1718 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1595 | |
1719 | |
1596 | void |
1720 | void |
… | |
… | |
1611 | PPCODE: |
1735 | PPCODE: |
1612 | { |
1736 | { |
1613 | int i; |
1737 | int i; |
1614 | aio_req req; |
1738 | aio_req req; |
1615 | |
1739 | |
1616 | if (grp->fd == 2) |
1740 | if (grp->int1 == 2) |
1617 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1741 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1618 | |
1742 | |
1619 | for (i = 1; i < items; ++i ) |
1743 | for (i = 1; i < items; ++i ) |
1620 | { |
1744 | { |
1621 | if (GIMME_V != G_VOID) |
1745 | if (GIMME_V != G_VOID) |
… | |
… | |
1623 | |
1747 | |
1624 | req = SvAIO_REQ (ST (i)); |
1748 | req = SvAIO_REQ (ST (i)); |
1625 | |
1749 | |
1626 | if (req) |
1750 | if (req) |
1627 | { |
1751 | { |
1628 | ++grp->length; |
1752 | ++grp->size; |
1629 | req->grp = grp; |
1753 | req->grp = grp; |
1630 | |
1754 | |
1631 | req->grp_prev = 0; |
1755 | req->grp_prev = 0; |
1632 | req->grp_next = grp->grp_first; |
1756 | req->grp_next = grp->grp_first; |
1633 | |
1757 | |
… | |
… | |
1656 | av = newAV (); |
1780 | av = newAV (); |
1657 | |
1781 | |
1658 | for (i = 1; i < items; ++i ) |
1782 | for (i = 1; i < items; ++i ) |
1659 | av_push (av, newSVsv (ST (i))); |
1783 | av_push (av, newSVsv (ST (i))); |
1660 | |
1784 | |
1661 | SvREFCNT_dec (grp->data); |
1785 | SvREFCNT_dec (grp->sv1); |
1662 | grp->data = (SV *)av; |
1786 | grp->sv1 = (SV *)av; |
1663 | } |
1787 | } |
1664 | |
1788 | |
1665 | void |
1789 | void |
1666 | errno (aio_req grp, int errorno = errno) |
1790 | errno (aio_req grp, int errorno = errno) |
1667 | CODE: |
1791 | CODE: |
1668 | grp->errorno = errorno; |
1792 | grp->errorno = errorno; |
1669 | |
1793 | |
1670 | void |
1794 | void |
1671 | limit (aio_req grp, int limit) |
1795 | limit (aio_req grp, int limit) |
1672 | CODE: |
1796 | CODE: |
1673 | grp->fd2 = limit; |
1797 | grp->int2 = limit; |
1674 | aio_grp_feed (grp); |
1798 | aio_grp_feed (grp); |
1675 | |
1799 | |
1676 | void |
1800 | void |
1677 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1801 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1678 | CODE: |
1802 | CODE: |
1679 | { |
1803 | { |
1680 | SvREFCNT_dec (grp->fh2); |
1804 | SvREFCNT_dec (grp->sv2); |
1681 | grp->fh2 = newSVsv (callback); |
1805 | grp->sv2 = newSVsv (callback); |
1682 | |
1806 | |
1683 | if (grp->fd2 <= 0) |
1807 | if (grp->int2 <= 0) |
1684 | grp->fd2 = 2; |
1808 | grp->int2 = 2; |
1685 | |
1809 | |
1686 | aio_grp_feed (grp); |
1810 | aio_grp_feed (grp); |
1687 | } |
1811 | } |
1688 | |
1812 | |