… | |
… | |
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) |
… | |
… | |
421 | XPUSHs (sv_2mortal (fh)); |
455 | XPUSHs (sv_2mortal (fh)); |
422 | } |
456 | } |
423 | break; |
457 | break; |
424 | |
458 | |
425 | case REQ_GROUP: |
459 | case REQ_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
460 | req->int1 = 2; /* mark group as finished */ |
427 | |
461 | |
428 | if (req->data) |
462 | if (req->sv1) |
429 | { |
463 | { |
430 | int i; |
464 | int i; |
431 | AV *av = (AV *)req->data; |
465 | AV *av = (AV *)req->sv1; |
432 | |
466 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
467 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
468 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
469 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
470 | } |
… | |
… | |
438 | |
472 | |
439 | case REQ_NOP: |
473 | case REQ_NOP: |
440 | case REQ_BUSY: |
474 | case REQ_BUSY: |
441 | break; |
475 | break; |
442 | |
476 | |
|
|
477 | case REQ_READLINK: |
|
|
478 | if (req->result > 0) |
|
|
479 | { |
|
|
480 | SvCUR_set (req->sv1, req->result); |
|
|
481 | *SvEND (req->sv1) = 0; |
|
|
482 | PUSHs (req->sv1); |
|
|
483 | } |
|
|
484 | break; |
|
|
485 | |
|
|
486 | case REQ_STAT: |
|
|
487 | case REQ_LSTAT: |
|
|
488 | case REQ_FSTAT: |
|
|
489 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
490 | PL_laststatval = req->result; |
|
|
491 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
492 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
493 | break; |
|
|
494 | |
|
|
495 | case REQ_READ: |
|
|
496 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
497 | *SvEND (req->sv1) = 0; |
|
|
498 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
499 | break; |
|
|
500 | |
443 | default: |
501 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
502 | PUSHs (sv_2mortal (newSViv (req->result))); |
445 | break; |
503 | break; |
446 | } |
504 | } |
447 | |
505 | |
… | |
… | |
482 | { |
540 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
541 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
542 | SvREFCNT_dec (req->self); |
485 | } |
543 | } |
486 | |
544 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
545 | SvREFCNT_dec (req->fh); |
|
|
546 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
547 | SvREFCNT_dec (req->sv2); |
490 | SvREFCNT_dec (req->callback); |
548 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
549 | |
493 | if (req->type == REQ_READDIR) |
550 | if (req->flags & FLAG_PTR2_FREE) |
494 | free (req->data2ptr); |
551 | free (req->ptr2); |
495 | |
552 | |
496 | Safefree (req); |
553 | Safefree (req); |
497 | } |
554 | } |
498 | |
555 | |
499 | static void req_cancel_subs (aio_req grp) |
556 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
501 | aio_req sub; |
558 | aio_req sub; |
502 | |
559 | |
503 | if (grp->type != REQ_GROUP) |
560 | if (grp->type != REQ_GROUP) |
504 | return; |
561 | return; |
505 | |
562 | |
506 | SvREFCNT_dec (grp->fh2); |
563 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
564 | grp->sv2 = 0; |
508 | |
565 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
566 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
510 | req_cancel (sub); |
567 | req_cancel (sub); |
511 | } |
568 | } |
512 | |
569 | |
… | |
… | |
556 | UNLOCK (wrklock); |
613 | UNLOCK (wrklock); |
557 | } |
614 | } |
558 | |
615 | |
559 | static void maybe_start_thread () |
616 | static void maybe_start_thread () |
560 | { |
617 | { |
561 | #if 0 |
618 | if (get_nthreads () >= wanted) |
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
619 | return; |
568 | |
620 | |
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
621 | /* todo: maybe use idle here, but might be less exact */ |
|
|
622 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
570 | return; |
623 | 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 | |
624 | |
590 | start_thread (); |
625 | start_thread (); |
591 | } |
626 | } |
592 | |
627 | |
593 | static void req_send (aio_req req) |
628 | static void req_send (aio_req req) |
… | |
… | |
620 | LOCK (wrklock); |
655 | LOCK (wrklock); |
621 | --started; |
656 | --started; |
622 | UNLOCK (wrklock); |
657 | UNLOCK (wrklock); |
623 | } |
658 | } |
624 | |
659 | |
|
|
660 | static void set_max_idle (int nthreads) |
|
|
661 | { |
|
|
662 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
663 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
664 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
665 | } |
|
|
666 | |
625 | static void min_parallel (int nthreads) |
667 | static void min_parallel (int nthreads) |
626 | { |
668 | { |
627 | if (wanted < nthreads) |
669 | if (wanted < nthreads) |
628 | wanted = nthreads; |
670 | wanted = nthreads; |
629 | } |
671 | } |
… | |
… | |
642 | fd_set rfd; |
684 | fd_set rfd; |
643 | |
685 | |
644 | while (nreqs) |
686 | while (nreqs) |
645 | { |
687 | { |
646 | int size; |
688 | int size; |
647 | if (WORDREAD_UNSAFE) LOCK (reslock); |
689 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
648 | size = res_queue.size; |
690 | size = res_queue.size; |
649 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
691 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
650 | |
692 | |
651 | if (size) |
693 | if (size) |
652 | return; |
694 | return; |
653 | |
695 | |
654 | maybe_start_thread (); |
696 | maybe_start_thread (); |
… | |
… | |
658 | |
700 | |
659 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
701 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
660 | } |
702 | } |
661 | } |
703 | } |
662 | |
704 | |
663 | static int poll_cb (int max) |
705 | static int poll_cb () |
664 | { |
706 | { |
665 | dSP; |
707 | dSP; |
666 | int count = 0; |
708 | int count = 0; |
|
|
709 | int maxreqs = max_poll_reqs; |
667 | int do_croak = 0; |
710 | int do_croak = 0; |
|
|
711 | struct timeval tv_start, tv_now; |
668 | aio_req req; |
712 | aio_req req; |
|
|
713 | |
|
|
714 | if (max_poll_time) |
|
|
715 | gettimeofday (&tv_start, 0); |
669 | |
716 | |
670 | for (;;) |
717 | for (;;) |
671 | { |
718 | { |
672 | while (max <= 0 || count < max) |
719 | for (;;) |
673 | { |
720 | { |
674 | maybe_start_thread (); |
721 | maybe_start_thread (); |
675 | |
722 | |
676 | LOCK (reslock); |
723 | LOCK (reslock); |
677 | req = reqq_shift (&res_queue); |
724 | req = reqq_shift (&res_queue); |
… | |
… | |
694 | if (!req) |
741 | if (!req) |
695 | break; |
742 | break; |
696 | |
743 | |
697 | --nreqs; |
744 | --nreqs; |
698 | |
745 | |
699 | if (req->type == REQ_GROUP && req->length) |
746 | if (req->type == REQ_GROUP && req->size) |
700 | { |
747 | { |
701 | req->fd = 1; /* mark request as delayed */ |
748 | req->int1 = 1; /* mark request as delayed */ |
702 | continue; |
749 | continue; |
703 | } |
750 | } |
704 | else |
751 | else |
705 | { |
752 | { |
706 | if (req->type == REQ_READ) |
|
|
707 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
708 | |
|
|
709 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
710 | SvREADONLY_off (req->data); |
|
|
711 | |
|
|
712 | if (req->statdata) |
|
|
713 | { |
|
|
714 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
715 | PL_laststatval = req->result; |
|
|
716 | PL_statcache = *(req->statdata); |
|
|
717 | } |
|
|
718 | |
|
|
719 | req_invoke (req); |
753 | req_invoke (req); |
720 | |
754 | |
721 | count++; |
755 | count++; |
722 | } |
756 | } |
723 | |
757 | |
724 | req_free (req); |
758 | req_free (req); |
|
|
759 | |
|
|
760 | if (maxreqs && !--maxreqs) |
|
|
761 | break; |
|
|
762 | |
|
|
763 | if (max_poll_time) |
|
|
764 | { |
|
|
765 | gettimeofday (&tv_now, 0); |
|
|
766 | |
|
|
767 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
768 | break; |
|
|
769 | } |
725 | } |
770 | } |
726 | |
771 | |
727 | if (nreqs <= max_outstanding) |
772 | if (nreqs <= max_outstanding) |
728 | break; |
773 | break; |
729 | |
774 | |
730 | poll_wait (); |
775 | poll_wait (); |
731 | |
776 | |
732 | max = 0; |
777 | ++maxreqs; |
733 | } |
778 | } |
734 | |
779 | |
735 | return count; |
780 | return count; |
736 | } |
781 | } |
737 | |
782 | |
… | |
… | |
955 | int memofs = 0; |
1000 | int memofs = 0; |
956 | int res = 0; |
1001 | int res = 0; |
957 | int errorno; |
1002 | int errorno; |
958 | |
1003 | |
959 | LOCK (wrklock); |
1004 | LOCK (wrklock); |
960 | self->dirp = dirp = opendir (req->dataptr); |
1005 | self->dirp = dirp = opendir (req->ptr1); |
961 | self->dbuf = u = malloc (sizeof (*u)); |
1006 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1007 | req->flags |= FLAG_PTR2_FREE; |
962 | req->data2ptr = names = malloc (memlen); |
1008 | req->ptr2 = names = malloc (memlen); |
963 | UNLOCK (wrklock); |
1009 | UNLOCK (wrklock); |
964 | |
1010 | |
965 | if (dirp && u && names) |
1011 | if (dirp && u && names) |
966 | for (;;) |
1012 | for (;;) |
967 | { |
1013 | { |
… | |
… | |
981 | |
1027 | |
982 | while (memofs + len > memlen) |
1028 | while (memofs + len > memlen) |
983 | { |
1029 | { |
984 | memlen *= 2; |
1030 | memlen *= 2; |
985 | LOCK (wrklock); |
1031 | LOCK (wrklock); |
986 | req->data2ptr = names = realloc (names, memlen); |
1032 | req->ptr2 = names = realloc (names, memlen); |
987 | UNLOCK (wrklock); |
1033 | UNLOCK (wrklock); |
988 | |
1034 | |
989 | if (!names) |
1035 | if (!names) |
990 | break; |
1036 | break; |
991 | } |
1037 | } |
… | |
… | |
1004 | /*****************************************************************************/ |
1050 | /*****************************************************************************/ |
1005 | |
1051 | |
1006 | static void *aio_proc (void *thr_arg) |
1052 | static void *aio_proc (void *thr_arg) |
1007 | { |
1053 | { |
1008 | aio_req req; |
1054 | aio_req req; |
|
|
1055 | struct timespec ts; |
1009 | worker *self = (worker *)thr_arg; |
1056 | worker *self = (worker *)thr_arg; |
|
|
1057 | |
|
|
1058 | /* try to distribute timeouts somewhat evenly */ |
|
|
1059 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1060 | * (1000000000UL / 1024UL); |
1010 | |
1061 | |
1011 | for (;;) |
1062 | for (;;) |
1012 | { |
1063 | { |
|
|
1064 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1065 | |
1013 | LOCK (reqlock); |
1066 | LOCK (reqlock); |
1014 | |
1067 | |
1015 | for (;;) |
1068 | for (;;) |
1016 | { |
1069 | { |
1017 | self->req = req = reqq_shift (&req_queue); |
1070 | self->req = req = reqq_shift (&req_queue); |
1018 | |
1071 | |
1019 | if (req) |
1072 | if (req) |
1020 | break; |
1073 | break; |
1021 | |
1074 | |
|
|
1075 | ++idle; |
|
|
1076 | |
|
|
1077 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1078 | == ETIMEDOUT) |
|
|
1079 | { |
|
|
1080 | if (idle > max_idle) |
|
|
1081 | { |
|
|
1082 | --idle; |
|
|
1083 | UNLOCK (reqlock); |
|
|
1084 | LOCK (wrklock); |
|
|
1085 | --started; |
|
|
1086 | UNLOCK (wrklock); |
|
|
1087 | goto quit; |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | /* we are allowed to idle, so do so without any timeout */ |
1022 | pthread_cond_wait (&reqwait, &reqlock); |
1091 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1092 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1093 | } |
|
|
1094 | |
|
|
1095 | --idle; |
1023 | } |
1096 | } |
1024 | |
1097 | |
1025 | --nready; |
1098 | --nready; |
1026 | |
1099 | |
1027 | UNLOCK (reqlock); |
1100 | UNLOCK (reqlock); |
… | |
… | |
1029 | errno = 0; /* strictly unnecessary */ |
1102 | errno = 0; /* strictly unnecessary */ |
1030 | |
1103 | |
1031 | if (!(req->flags & FLAG_CANCELLED)) |
1104 | if (!(req->flags & FLAG_CANCELLED)) |
1032 | switch (req->type) |
1105 | switch (req->type) |
1033 | { |
1106 | { |
1034 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1107 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1035 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1108 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1036 | |
1109 | |
1037 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1110 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1038 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1111 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1039 | |
1112 | |
1040 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1113 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1041 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1114 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1042 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1115 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1043 | |
1116 | |
1044 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1117 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1045 | case REQ_CLOSE: req->result = close (req->fd); break; |
1118 | case REQ_CLOSE: req->result = close (req->int1); break; |
1046 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1119 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1047 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1120 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1048 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1121 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1049 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1122 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1050 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1123 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1051 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
1124 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1125 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1052 | |
1126 | |
1053 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1127 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1054 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1128 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1055 | case REQ_READDIR: scandir_ (req, self); break; |
1129 | case REQ_READDIR: scandir_ (req, self); break; |
1056 | |
1130 | |
1057 | case REQ_BUSY: |
1131 | case REQ_BUSY: |
1058 | { |
1132 | { |
1059 | struct timeval tv; |
1133 | struct timeval tv; |
1060 | |
1134 | |
1061 | tv.tv_sec = req->fd; |
1135 | tv.tv_sec = req->int1; |
1062 | tv.tv_usec = req->fd2; |
1136 | tv.tv_usec = req->int2; |
1063 | |
1137 | |
1064 | req->result = select (0, 0, 0, 0, &tv); |
1138 | req->result = select (0, 0, 0, 0, &tv); |
1065 | } |
1139 | } |
1066 | |
1140 | |
1067 | case REQ_GROUP: |
1141 | case REQ_GROUP: |
1068 | case REQ_NOP: |
1142 | case REQ_NOP: |
1069 | break; |
1143 | break; |
1070 | |
1144 | |
1071 | case REQ_QUIT: |
1145 | case REQ_QUIT: |
1072 | LOCK (wrklock); |
1146 | goto quit; |
1073 | worker_free (self); |
|
|
1074 | --started; |
|
|
1075 | UNLOCK (wrklock); |
|
|
1076 | return 0; |
|
|
1077 | |
1147 | |
1078 | default: |
1148 | default: |
1079 | req->result = ENOSYS; |
1149 | req->result = ENOSYS; |
1080 | break; |
1150 | break; |
1081 | } |
1151 | } |
… | |
… | |
1093 | self->req = 0; |
1163 | self->req = 0; |
1094 | worker_clear (self); |
1164 | worker_clear (self); |
1095 | |
1165 | |
1096 | UNLOCK (reslock); |
1166 | UNLOCK (reslock); |
1097 | } |
1167 | } |
|
|
1168 | |
|
|
1169 | quit: |
|
|
1170 | LOCK (wrklock); |
|
|
1171 | worker_free (self); |
|
|
1172 | UNLOCK (wrklock); |
|
|
1173 | |
|
|
1174 | return 0; |
1098 | } |
1175 | } |
1099 | |
1176 | |
1100 | /*****************************************************************************/ |
1177 | /*****************************************************************************/ |
1101 | |
1178 | |
1102 | static void atfork_prepare (void) |
1179 | static void atfork_prepare (void) |
… | |
… | |
1144 | |
1221 | |
1145 | worker_clear (wrk); |
1222 | worker_clear (wrk); |
1146 | worker_free (wrk); |
1223 | worker_free (wrk); |
1147 | } |
1224 | } |
1148 | |
1225 | |
1149 | started = 0; |
1226 | started = 0; |
|
|
1227 | idle = 0; |
1150 | nreqs = 0; |
1228 | nreqs = 0; |
|
|
1229 | nready = 0; |
|
|
1230 | npending = 0; |
1151 | |
1231 | |
1152 | close (respipe [0]); |
1232 | close (respipe [0]); |
1153 | close (respipe [1]); |
1233 | close (respipe [1]); |
1154 | create_pipe (); |
1234 | create_pipe (); |
1155 | |
1235 | |
… | |
… | |
1192 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1272 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1193 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1273 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1194 | |
1274 | |
1195 | create_pipe (); |
1275 | create_pipe (); |
1196 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1276 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1197 | |
|
|
1198 | start_thread (); |
|
|
1199 | } |
1277 | } |
|
|
1278 | |
|
|
1279 | void |
|
|
1280 | max_poll_reqs (int nreqs) |
|
|
1281 | PROTOTYPE: $ |
|
|
1282 | CODE: |
|
|
1283 | max_poll_reqs = nreqs; |
|
|
1284 | |
|
|
1285 | void |
|
|
1286 | max_poll_time (double nseconds) |
|
|
1287 | PROTOTYPE: $ |
|
|
1288 | CODE: |
|
|
1289 | max_poll_time = nseconds * AIO_TICKS; |
1200 | |
1290 | |
1201 | void |
1291 | void |
1202 | min_parallel (int nthreads) |
1292 | min_parallel (int nthreads) |
1203 | PROTOTYPE: $ |
1293 | PROTOTYPE: $ |
1204 | |
1294 | |
1205 | void |
1295 | void |
1206 | max_parallel (int nthreads) |
1296 | max_parallel (int nthreads) |
1207 | PROTOTYPE: $ |
1297 | PROTOTYPE: $ |
|
|
1298 | |
|
|
1299 | void |
|
|
1300 | max_idle (int nthreads) |
|
|
1301 | PROTOTYPE: $ |
|
|
1302 | CODE: |
|
|
1303 | set_max_idle (nthreads); |
1208 | |
1304 | |
1209 | int |
1305 | int |
1210 | max_outstanding (int maxreqs) |
1306 | max_outstanding (int maxreqs) |
1211 | PROTOTYPE: $ |
1307 | PROTOTYPE: $ |
1212 | CODE: |
1308 | CODE: |
… | |
… | |
1215 | OUTPUT: |
1311 | OUTPUT: |
1216 | RETVAL |
1312 | RETVAL |
1217 | |
1313 | |
1218 | void |
1314 | void |
1219 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1315 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1220 | SV * pathname |
1316 | SV8 * pathname |
1221 | int flags |
1317 | int flags |
1222 | int mode |
1318 | int mode |
1223 | SV * callback |
1319 | SV * callback |
1224 | PROTOTYPE: $$$;$ |
1320 | PROTOTYPE: $$$;$ |
1225 | PPCODE: |
1321 | PPCODE: |
1226 | { |
1322 | { |
1227 | dREQ; |
1323 | dREQ; |
1228 | |
1324 | |
1229 | req->type = REQ_OPEN; |
1325 | req->type = REQ_OPEN; |
1230 | req->data = newSVsv (pathname); |
1326 | req->sv1 = newSVsv (pathname); |
1231 | req->dataptr = SvPVbyte_nolen (req->data); |
1327 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1232 | req->fd = flags; |
1328 | req->int1 = flags; |
1233 | req->mode = mode; |
1329 | req->mode = mode; |
1234 | |
1330 | |
1235 | REQ_SEND; |
1331 | REQ_SEND; |
1236 | } |
1332 | } |
1237 | |
1333 | |
… | |
… | |
1247 | PPCODE: |
1343 | PPCODE: |
1248 | { |
1344 | { |
1249 | dREQ; |
1345 | dREQ; |
1250 | |
1346 | |
1251 | req->type = ix; |
1347 | req->type = ix; |
1252 | req->fh = newSVsv (fh); |
1348 | req->fh = newSVsv (fh); |
1253 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1349 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1254 | |
1350 | |
1255 | REQ_SEND (req); |
1351 | REQ_SEND (req); |
1256 | } |
1352 | } |
1257 | |
1353 | |
1258 | void |
1354 | void |
1259 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1355 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1260 | SV * fh |
1356 | SV * fh |
1261 | UV offset |
1357 | UV offset |
1262 | UV length |
1358 | UV length |
1263 | SV * data |
1359 | SV8 * data |
1264 | UV dataoffset |
1360 | UV dataoffset |
1265 | SV * callback |
1361 | SV * callback |
1266 | ALIAS: |
1362 | ALIAS: |
1267 | aio_read = REQ_READ |
1363 | aio_read = REQ_READ |
1268 | aio_write = REQ_WRITE |
1364 | aio_write = REQ_WRITE |
1269 | PROTOTYPE: $$$$$;$ |
1365 | PROTOTYPE: $$$$$;$ |
1270 | PPCODE: |
1366 | PPCODE: |
1271 | { |
1367 | { |
1272 | aio_req req; |
|
|
1273 | STRLEN svlen; |
1368 | STRLEN svlen; |
1274 | char *svptr = SvPVbyte (data, svlen); |
1369 | char *svptr = SvPVbyte (data, svlen); |
1275 | |
1370 | |
1276 | SvUPGRADE (data, SVt_PV); |
1371 | SvUPGRADE (data, SVt_PV); |
1277 | SvPOK_on (data); |
1372 | SvPOK_on (data); |
… | |
… | |
1299 | |
1394 | |
1300 | { |
1395 | { |
1301 | dREQ; |
1396 | dREQ; |
1302 | |
1397 | |
1303 | req->type = ix; |
1398 | req->type = ix; |
1304 | req->fh = newSVsv (fh); |
1399 | req->fh = newSVsv (fh); |
1305 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1400 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1306 | : IoOFP (sv_2io (fh))); |
1401 | : IoOFP (sv_2io (fh))); |
1307 | req->offset = offset; |
1402 | req->offs = offset; |
1308 | req->length = length; |
1403 | req->size = length; |
1309 | req->data = SvREFCNT_inc (data); |
1404 | req->sv1 = SvREFCNT_inc (data); |
1310 | req->dataptr = (char *)svptr + dataoffset; |
1405 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1406 | req->stroffset = dataoffset; |
1311 | |
1407 | |
1312 | if (!SvREADONLY (data)) |
1408 | if (!SvREADONLY (data)) |
1313 | { |
1409 | { |
1314 | SvREADONLY_on (data); |
1410 | SvREADONLY_on (data); |
1315 | req->data2ptr = (void *)data; |
1411 | req->flags |= FLAG_SV1_RO_OFF; |
1316 | } |
1412 | } |
1317 | |
1413 | |
1318 | REQ_SEND; |
1414 | REQ_SEND; |
1319 | } |
1415 | } |
|
|
1416 | } |
|
|
1417 | |
|
|
1418 | void |
|
|
1419 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1420 | SV8 * path |
|
|
1421 | SV * callback |
|
|
1422 | PROTOTYPE: $$;$ |
|
|
1423 | PPCODE: |
|
|
1424 | { |
|
|
1425 | SV *data; |
|
|
1426 | dREQ; |
|
|
1427 | |
|
|
1428 | data = newSV (NAME_MAX); |
|
|
1429 | SvPOK_on (data); |
|
|
1430 | |
|
|
1431 | req->type = REQ_READLINK; |
|
|
1432 | req->fh = newSVsv (path); |
|
|
1433 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1434 | req->sv1 = data; |
|
|
1435 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1436 | |
|
|
1437 | REQ_SEND; |
1320 | } |
1438 | } |
1321 | |
1439 | |
1322 | void |
1440 | void |
1323 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1441 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1324 | SV * out_fh |
1442 | SV * out_fh |
… | |
… | |
1330 | PPCODE: |
1448 | PPCODE: |
1331 | { |
1449 | { |
1332 | dREQ; |
1450 | dREQ; |
1333 | |
1451 | |
1334 | req->type = REQ_SENDFILE; |
1452 | req->type = REQ_SENDFILE; |
1335 | req->fh = newSVsv (out_fh); |
1453 | req->fh = newSVsv (out_fh); |
1336 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1454 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1337 | req->fh2 = newSVsv (in_fh); |
1455 | req->sv2 = newSVsv (in_fh); |
1338 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1456 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1339 | req->offset = in_offset; |
1457 | req->offs = in_offset; |
1340 | req->length = length; |
1458 | req->size = length; |
1341 | |
1459 | |
1342 | REQ_SEND; |
1460 | REQ_SEND; |
1343 | } |
1461 | } |
1344 | |
1462 | |
1345 | void |
1463 | void |
… | |
… | |
1352 | PPCODE: |
1470 | PPCODE: |
1353 | { |
1471 | { |
1354 | dREQ; |
1472 | dREQ; |
1355 | |
1473 | |
1356 | req->type = REQ_READAHEAD; |
1474 | req->type = REQ_READAHEAD; |
1357 | req->fh = newSVsv (fh); |
1475 | req->fh = newSVsv (fh); |
1358 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1476 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1359 | req->offset = offset; |
1477 | req->offs = offset; |
1360 | req->length = length; |
1478 | req->size = length; |
1361 | |
1479 | |
1362 | REQ_SEND; |
1480 | REQ_SEND; |
1363 | } |
1481 | } |
1364 | |
1482 | |
1365 | void |
1483 | void |
1366 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1484 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1367 | SV * fh_or_path |
1485 | SV8 * fh_or_path |
1368 | SV * callback |
1486 | SV * callback |
1369 | ALIAS: |
1487 | ALIAS: |
1370 | aio_stat = REQ_STAT |
1488 | aio_stat = REQ_STAT |
1371 | aio_lstat = REQ_LSTAT |
1489 | aio_lstat = REQ_LSTAT |
1372 | PPCODE: |
1490 | PPCODE: |
1373 | { |
1491 | { |
1374 | dREQ; |
1492 | dREQ; |
1375 | |
1493 | |
1376 | New (0, req->statdata, 1, Stat_t); |
1494 | req->ptr2 = malloc (sizeof (Stat_t)); |
1377 | if (!req->statdata) |
1495 | if (!req->ptr2) |
1378 | { |
1496 | { |
1379 | req_free (req); |
1497 | req_free (req); |
1380 | croak ("out of memory during aio_req->statdata allocation"); |
1498 | croak ("out of memory during aio_stat statdata allocation"); |
1381 | } |
1499 | } |
|
|
1500 | |
|
|
1501 | req->flags |= FLAG_PTR2_FREE; |
1382 | |
1502 | |
1383 | if (SvPOK (fh_or_path)) |
1503 | if (SvPOK (fh_or_path)) |
1384 | { |
1504 | { |
1385 | req->type = ix; |
1505 | req->type = ix; |
1386 | req->data = newSVsv (fh_or_path); |
1506 | req->sv1 = newSVsv (fh_or_path); |
1387 | req->dataptr = SvPVbyte_nolen (req->data); |
1507 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1388 | } |
1508 | } |
1389 | else |
1509 | else |
1390 | { |
1510 | { |
1391 | req->type = REQ_FSTAT; |
1511 | req->type = REQ_FSTAT; |
1392 | req->fh = newSVsv (fh_or_path); |
1512 | req->fh = newSVsv (fh_or_path); |
1393 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1513 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1394 | } |
1514 | } |
1395 | |
1515 | |
1396 | REQ_SEND; |
1516 | REQ_SEND; |
1397 | } |
1517 | } |
1398 | |
1518 | |
1399 | void |
1519 | void |
1400 | aio_unlink (pathname,callback=&PL_sv_undef) |
1520 | aio_unlink (pathname,callback=&PL_sv_undef) |
1401 | SV * pathname |
1521 | SV8 * pathname |
1402 | SV * callback |
1522 | SV * callback |
1403 | ALIAS: |
1523 | ALIAS: |
1404 | aio_unlink = REQ_UNLINK |
1524 | aio_unlink = REQ_UNLINK |
1405 | aio_rmdir = REQ_RMDIR |
1525 | aio_rmdir = REQ_RMDIR |
1406 | aio_readdir = REQ_READDIR |
1526 | aio_readdir = REQ_READDIR |
1407 | PPCODE: |
1527 | PPCODE: |
1408 | { |
1528 | { |
1409 | dREQ; |
1529 | dREQ; |
1410 | |
1530 | |
1411 | req->type = ix; |
1531 | req->type = ix; |
1412 | req->data = newSVsv (pathname); |
1532 | req->sv1 = newSVsv (pathname); |
1413 | req->dataptr = SvPVbyte_nolen (req->data); |
1533 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1414 | |
1534 | |
1415 | REQ_SEND; |
1535 | REQ_SEND; |
1416 | } |
1536 | } |
1417 | |
1537 | |
1418 | void |
1538 | void |
1419 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1539 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1420 | SV * oldpath |
1540 | SV8 * oldpath |
1421 | SV * newpath |
1541 | SV8 * newpath |
1422 | SV * callback |
1542 | SV * callback |
1423 | ALIAS: |
1543 | ALIAS: |
1424 | aio_link = REQ_LINK |
1544 | aio_link = REQ_LINK |
1425 | aio_symlink = REQ_SYMLINK |
1545 | aio_symlink = REQ_SYMLINK |
1426 | aio_rename = REQ_RENAME |
1546 | aio_rename = REQ_RENAME |
1427 | PPCODE: |
1547 | PPCODE: |
1428 | { |
1548 | { |
1429 | dREQ; |
1549 | dREQ; |
1430 | |
1550 | |
1431 | req->type = ix; |
1551 | req->type = ix; |
1432 | req->fh = newSVsv (oldpath); |
1552 | req->fh = newSVsv (oldpath); |
1433 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1553 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1434 | req->data = newSVsv (newpath); |
1554 | req->sv1 = newSVsv (newpath); |
1435 | req->dataptr = SvPVbyte_nolen (req->data); |
1555 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1436 | |
1556 | |
1437 | REQ_SEND; |
1557 | REQ_SEND; |
1438 | } |
1558 | } |
1439 | |
1559 | |
1440 | void |
1560 | void |
1441 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1561 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1442 | SV * pathname |
1562 | SV8 * pathname |
1443 | SV * callback |
1563 | SV * callback |
1444 | UV mode |
1564 | UV mode |
1445 | UV dev |
1565 | UV dev |
1446 | PPCODE: |
1566 | PPCODE: |
1447 | { |
1567 | { |
1448 | dREQ; |
1568 | dREQ; |
1449 | |
1569 | |
1450 | req->type = REQ_MKNOD; |
1570 | req->type = REQ_MKNOD; |
1451 | req->data = newSVsv (pathname); |
1571 | req->sv1 = newSVsv (pathname); |
1452 | req->dataptr = SvPVbyte_nolen (req->data); |
1572 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1453 | req->mode = (mode_t)mode; |
1573 | req->mode = (mode_t)mode; |
1454 | req->offset = dev; |
1574 | req->offs = dev; |
1455 | |
1575 | |
1456 | REQ_SEND; |
1576 | REQ_SEND; |
1457 | } |
1577 | } |
1458 | |
1578 | |
1459 | void |
1579 | void |
1460 | aio_busy (delay,callback=&PL_sv_undef) |
1580 | aio_busy (delay,callback=&PL_sv_undef) |
1461 | double delay |
1581 | double delay |
1462 | SV * callback |
1582 | SV * callback |
1463 | PPCODE: |
1583 | PPCODE: |
1464 | { |
1584 | { |
1465 | dREQ; |
1585 | dREQ; |
1466 | |
1586 | |
1467 | req->type = REQ_BUSY; |
1587 | req->type = REQ_BUSY; |
1468 | req->fd = delay < 0. ? 0 : delay; |
1588 | req->int1 = delay < 0. ? 0 : delay; |
1469 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1589 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1470 | |
1590 | |
1471 | REQ_SEND; |
1591 | REQ_SEND; |
1472 | } |
1592 | } |
1473 | |
1593 | |
1474 | void |
1594 | void |
… | |
… | |
1478 | PPCODE: |
1598 | PPCODE: |
1479 | { |
1599 | { |
1480 | dREQ; |
1600 | dREQ; |
1481 | |
1601 | |
1482 | req->type = REQ_GROUP; |
1602 | req->type = REQ_GROUP; |
|
|
1603 | |
1483 | req_send (req); |
1604 | req_send (req); |
1484 | |
|
|
1485 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1605 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1486 | } |
1606 | } |
1487 | |
1607 | |
1488 | void |
1608 | void |
1489 | aio_nop (callback=&PL_sv_undef) |
1609 | aio_nop (callback=&PL_sv_undef) |
1490 | SV * callback |
1610 | SV * callback |
1491 | PPCODE: |
1611 | PPCODE: |
1492 | { |
1612 | { |
1493 | dREQ; |
1613 | dREQ; |
1494 | |
1614 | |
1495 | req->type = REQ_NOP; |
1615 | req->type = REQ_NOP; |
… | |
… | |
1524 | PROTOTYPE: |
1644 | PROTOTYPE: |
1525 | CODE: |
1645 | CODE: |
1526 | while (nreqs) |
1646 | while (nreqs) |
1527 | { |
1647 | { |
1528 | poll_wait (); |
1648 | poll_wait (); |
1529 | poll_cb (0); |
1649 | poll_cb (); |
1530 | } |
1650 | } |
1531 | |
1651 | |
1532 | void |
1652 | int |
1533 | poll() |
1653 | poll() |
1534 | PROTOTYPE: |
1654 | PROTOTYPE: |
1535 | CODE: |
1655 | CODE: |
1536 | if (nreqs) |
1656 | if (nreqs) |
1537 | { |
1657 | { |
1538 | poll_wait (); |
1658 | poll_wait (); |
1539 | poll_cb (0); |
1659 | RETVAL = poll_cb (); |
1540 | } |
1660 | } |
|
|
1661 | else |
|
|
1662 | RETVAL = 0; |
|
|
1663 | OUTPUT: |
|
|
1664 | RETVAL |
1541 | |
1665 | |
1542 | int |
1666 | int |
1543 | poll_fileno() |
1667 | poll_fileno() |
1544 | PROTOTYPE: |
1668 | PROTOTYPE: |
1545 | CODE: |
1669 | CODE: |
… | |
… | |
1549 | |
1673 | |
1550 | int |
1674 | int |
1551 | poll_cb(...) |
1675 | poll_cb(...) |
1552 | PROTOTYPE: |
1676 | PROTOTYPE: |
1553 | CODE: |
1677 | CODE: |
1554 | RETVAL = poll_cb (0); |
1678 | RETVAL = poll_cb (); |
1555 | OUTPUT: |
|
|
1556 | RETVAL |
|
|
1557 | |
|
|
1558 | int |
|
|
1559 | poll_some(int max = 0) |
|
|
1560 | PROTOTYPE: $ |
|
|
1561 | CODE: |
|
|
1562 | RETVAL = poll_cb (max); |
|
|
1563 | OUTPUT: |
1679 | OUTPUT: |
1564 | RETVAL |
1680 | RETVAL |
1565 | |
1681 | |
1566 | void |
1682 | void |
1567 | poll_wait() |
1683 | poll_wait() |
… | |
… | |
1592 | CODE: |
1708 | CODE: |
1593 | RETVAL = get_npending (); |
1709 | RETVAL = get_npending (); |
1594 | OUTPUT: |
1710 | OUTPUT: |
1595 | RETVAL |
1711 | RETVAL |
1596 | |
1712 | |
|
|
1713 | int |
|
|
1714 | nthreads() |
|
|
1715 | PROTOTYPE: |
|
|
1716 | CODE: |
|
|
1717 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1718 | RETVAL = started; |
|
|
1719 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1720 | OUTPUT: |
|
|
1721 | RETVAL |
|
|
1722 | |
1597 | PROTOTYPES: DISABLE |
1723 | PROTOTYPES: DISABLE |
1598 | |
1724 | |
1599 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1725 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1600 | |
1726 | |
1601 | void |
1727 | void |
… | |
… | |
1616 | PPCODE: |
1742 | PPCODE: |
1617 | { |
1743 | { |
1618 | int i; |
1744 | int i; |
1619 | aio_req req; |
1745 | aio_req req; |
1620 | |
1746 | |
1621 | if (grp->fd == 2) |
1747 | if (grp->int1 == 2) |
1622 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1748 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1623 | |
1749 | |
1624 | for (i = 1; i < items; ++i ) |
1750 | for (i = 1; i < items; ++i ) |
1625 | { |
1751 | { |
1626 | if (GIMME_V != G_VOID) |
1752 | if (GIMME_V != G_VOID) |
… | |
… | |
1628 | |
1754 | |
1629 | req = SvAIO_REQ (ST (i)); |
1755 | req = SvAIO_REQ (ST (i)); |
1630 | |
1756 | |
1631 | if (req) |
1757 | if (req) |
1632 | { |
1758 | { |
1633 | ++grp->length; |
1759 | ++grp->size; |
1634 | req->grp = grp; |
1760 | req->grp = grp; |
1635 | |
1761 | |
1636 | req->grp_prev = 0; |
1762 | req->grp_prev = 0; |
1637 | req->grp_next = grp->grp_first; |
1763 | req->grp_next = grp->grp_first; |
1638 | |
1764 | |
… | |
… | |
1661 | av = newAV (); |
1787 | av = newAV (); |
1662 | |
1788 | |
1663 | for (i = 1; i < items; ++i ) |
1789 | for (i = 1; i < items; ++i ) |
1664 | av_push (av, newSVsv (ST (i))); |
1790 | av_push (av, newSVsv (ST (i))); |
1665 | |
1791 | |
1666 | SvREFCNT_dec (grp->data); |
1792 | SvREFCNT_dec (grp->sv1); |
1667 | grp->data = (SV *)av; |
1793 | grp->sv1 = (SV *)av; |
1668 | } |
1794 | } |
1669 | |
1795 | |
1670 | void |
1796 | void |
1671 | errno (aio_req grp, int errorno = errno) |
1797 | errno (aio_req grp, int errorno = errno) |
1672 | CODE: |
1798 | CODE: |
1673 | grp->errorno = errorno; |
1799 | grp->errorno = errorno; |
1674 | |
1800 | |
1675 | void |
1801 | void |
1676 | limit (aio_req grp, int limit) |
1802 | limit (aio_req grp, int limit) |
1677 | CODE: |
1803 | CODE: |
1678 | grp->fd2 = limit; |
1804 | grp->int2 = limit; |
1679 | aio_grp_feed (grp); |
1805 | aio_grp_feed (grp); |
1680 | |
1806 | |
1681 | void |
1807 | void |
1682 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1808 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1683 | CODE: |
1809 | CODE: |
1684 | { |
1810 | { |
1685 | SvREFCNT_dec (grp->fh2); |
1811 | SvREFCNT_dec (grp->sv2); |
1686 | grp->fh2 = newSVsv (callback); |
1812 | grp->sv2 = newSVsv (callback); |
1687 | |
1813 | |
1688 | if (grp->fd2 <= 0) |
1814 | if (grp->int2 <= 0) |
1689 | grp->fd2 = 2; |
1815 | grp->int2 = 2; |
1690 | |
1816 | |
1691 | aio_grp_feed (grp); |
1817 | aio_grp_feed (grp); |
1692 | } |
1818 | } |
1693 | |
1819 | |