… | |
… | |
17 | #include "autoconf/config.h" |
17 | #include "autoconf/config.h" |
18 | |
18 | |
19 | #include <pthread.h> |
19 | #include <pthread.h> |
20 | |
20 | |
21 | #include <stddef.h> |
21 | #include <stddef.h> |
|
|
22 | #include <stdlib.h> |
22 | #include <errno.h> |
23 | #include <errno.h> |
23 | #include <sys/time.h> |
24 | #include <sys/time.h> |
24 | #include <sys/select.h> |
25 | #include <sys/select.h> |
25 | #include <sys/types.h> |
26 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
27 | #include <sys/stat.h> |
… | |
… | |
68 | |
69 | |
69 | /* wether word reads are potentially non-atomic. |
70 | /* wether word reads are potentially non-atomic. |
70 | * this is conservatice, likely most arches this runs |
71 | * this is conservatice, likely most arches this runs |
71 | * on have atomic word read/writes. |
72 | * on have atomic word read/writes. |
72 | */ |
73 | */ |
73 | #ifndef WORDREAD_UNSAFE |
74 | #ifndef WORDACCESS_UNSAFE |
74 | # if __i386 || __x86_64 |
75 | # if __i386 || __x86_64 |
75 | # define WORDREAD_UNSAFE 0 |
76 | # define WORDACCESS_UNSAFE 0 |
76 | # else |
77 | # else |
77 | # define WORDREAD_UNSAFE 1 |
78 | # define WORDACCESS_UNSAFE 1 |
78 | # endif |
79 | # endif |
79 | #endif |
80 | #endif |
80 | |
81 | |
81 | /* buffer size for various temporary buffers */ |
82 | /* buffer size for various temporary buffers */ |
82 | #define AIO_BUFSIZE 65536 |
83 | #define AIO_BUFSIZE 65536 |
… | |
… | |
86 | LOCK (wrklock); \ |
87 | LOCK (wrklock); \ |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | UNLOCK (wrklock); \ |
89 | UNLOCK (wrklock); \ |
89 | if (!aio_buf) \ |
90 | if (!aio_buf) \ |
90 | return -1; |
91 | return -1; |
|
|
92 | |
|
|
93 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
91 | |
94 | |
92 | enum { |
95 | enum { |
93 | REQ_QUIT, |
96 | REQ_QUIT, |
94 | REQ_OPEN, REQ_CLOSE, |
97 | REQ_OPEN, REQ_CLOSE, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
98 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
96 | REQ_SENDFILE, |
99 | REQ_SENDFILE, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
100 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
101 | REQ_FSYNC, REQ_FDATASYNC, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
102 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
100 | REQ_MKNOD, REQ_READDIR, |
103 | REQ_MKNOD, REQ_READDIR, |
101 | REQ_LINK, REQ_SYMLINK, |
104 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
102 | REQ_GROUP, REQ_NOP, |
105 | REQ_GROUP, REQ_NOP, |
103 | REQ_BUSY, |
106 | REQ_BUSY, |
104 | }; |
107 | }; |
105 | |
108 | |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
109 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
… | |
108 | |
111 | |
109 | typedef struct aio_cb |
112 | typedef struct aio_cb |
110 | { |
113 | { |
111 | struct aio_cb *volatile next; |
114 | struct aio_cb *volatile next; |
112 | |
115 | |
113 | SV *data, *callback; |
116 | SV *callback, *fh; |
114 | SV *fh, *fh2; |
117 | SV *sv1, *sv2; |
115 | void *dataptr, *data2ptr; |
118 | void *ptr1, *ptr2; |
116 | Stat_t *statdata; |
|
|
117 | off_t offset; |
119 | off_t offs; |
118 | size_t length; |
120 | size_t size; |
119 | ssize_t result; |
121 | ssize_t result; |
120 | |
122 | |
121 | STRLEN dataoffset; |
123 | STRLEN stroffset; |
122 | int type; |
124 | int type; |
123 | int fd, fd2; |
125 | int int1, int2; |
124 | int errorno; |
126 | int errorno; |
125 | mode_t mode; /* open */ |
127 | mode_t mode; /* open */ |
126 | |
128 | |
127 | unsigned char flags; |
129 | unsigned char flags; |
128 | unsigned char pri; |
130 | unsigned char pri; |
… | |
… | |
130 | SV *self; /* the perl counterpart of this request, if any */ |
132 | SV *self; /* the perl counterpart of this request, if any */ |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
133 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
132 | } aio_cb; |
134 | } aio_cb; |
133 | |
135 | |
134 | enum { |
136 | enum { |
135 | FLAG_CANCELLED = 0x01, |
137 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
|
|
138 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
|
|
139 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
136 | }; |
140 | }; |
137 | |
141 | |
138 | typedef aio_cb *aio_req; |
142 | typedef aio_cb *aio_req; |
139 | typedef aio_cb *aio_req_ornot; |
143 | typedef aio_cb *aio_req_ornot; |
140 | |
144 | |
… | |
… | |
144 | |
148 | |
145 | DEFAULT_PRI = 0, |
149 | DEFAULT_PRI = 0, |
146 | PRI_BIAS = -PRI_MIN, |
150 | PRI_BIAS = -PRI_MIN, |
147 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
151 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
148 | }; |
152 | }; |
|
|
153 | |
|
|
154 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
|
|
155 | |
|
|
156 | static unsigned int max_poll_time = 0; |
|
|
157 | static unsigned int max_poll_reqs = 0; |
|
|
158 | |
|
|
159 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
|
160 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
|
161 | { |
|
|
162 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
|
163 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
|
164 | } |
|
|
165 | |
|
|
166 | static pthread_t main_tid; |
|
|
167 | static int main_sig; |
|
|
168 | static int block_sig_level; |
|
|
169 | |
|
|
170 | void block_sig () |
|
|
171 | { |
|
|
172 | sigset_t ss; |
|
|
173 | |
|
|
174 | if (block_sig_level++) |
|
|
175 | return; |
|
|
176 | |
|
|
177 | if (!main_sig) |
|
|
178 | return; |
|
|
179 | |
|
|
180 | sigemptyset (&ss); |
|
|
181 | sigaddset (&ss, main_sig); |
|
|
182 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
|
|
183 | } |
|
|
184 | |
|
|
185 | void unblock_sig () |
|
|
186 | { |
|
|
187 | sigset_t ss; |
|
|
188 | |
|
|
189 | if (--block_sig_level) |
|
|
190 | return; |
|
|
191 | |
|
|
192 | if (!main_sig) |
|
|
193 | return; |
|
|
194 | |
|
|
195 | sigemptyset (&ss); |
|
|
196 | sigaddset (&ss, main_sig); |
|
|
197 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
|
|
198 | } |
149 | |
199 | |
150 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
200 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
151 | |
201 | |
152 | static unsigned int started, idle, wanted; |
202 | static unsigned int started, idle, wanted; |
153 | |
203 | |
… | |
… | |
207 | |
257 | |
208 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
258 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
209 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
259 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
210 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
260 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
211 | |
261 | |
212 | #if WORDREAD_UNSAFE |
262 | #if WORDACCESS_UNSAFE |
213 | |
263 | |
214 | static unsigned int get_nready () |
264 | static unsigned int get_nready () |
215 | { |
265 | { |
216 | unsigned int retval; |
266 | unsigned int retval; |
217 | |
267 | |
… | |
… | |
231 | UNLOCK (reslock); |
281 | UNLOCK (reslock); |
232 | |
282 | |
233 | return retval; |
283 | return retval; |
234 | } |
284 | } |
235 | |
285 | |
|
|
286 | static unsigned int get_nthreads () |
|
|
287 | { |
|
|
288 | unsigned int retval; |
|
|
289 | |
|
|
290 | LOCK (wrklock); |
|
|
291 | retval = started; |
|
|
292 | UNLOCK (wrklock); |
|
|
293 | |
|
|
294 | return retval; |
|
|
295 | } |
|
|
296 | |
236 | #else |
297 | #else |
237 | |
298 | |
238 | # define get_nready() nready |
299 | # define get_nready() nready |
239 | # define get_npending() npending |
300 | # define get_npending() npending |
|
|
301 | # define get_nthreads() started |
240 | |
302 | |
241 | #endif |
303 | #endif |
242 | |
304 | |
243 | /* |
305 | /* |
244 | * a somewhat faster data structure might be nice, but |
306 | * a somewhat faster data structure might be nice, but |
… | |
… | |
292 | } |
354 | } |
293 | |
355 | |
294 | abort (); |
356 | abort (); |
295 | } |
357 | } |
296 | |
358 | |
297 | static int poll_cb (int max); |
359 | static int poll_cb (); |
298 | static void req_invoke (aio_req req); |
360 | static int req_invoke (aio_req req); |
299 | static void req_free (aio_req req); |
361 | static void req_free (aio_req req); |
300 | static void req_cancel (aio_req req); |
362 | static void req_cancel (aio_req req); |
301 | |
363 | |
302 | /* must be called at most once */ |
364 | /* must be called at most once */ |
303 | static SV *req_sv (aio_req req, const char *klass) |
365 | static SV *req_sv (aio_req req, const char *klass) |
… | |
… | |
323 | return mg ? (aio_req)mg->mg_ptr : 0; |
385 | return mg ? (aio_req)mg->mg_ptr : 0; |
324 | } |
386 | } |
325 | |
387 | |
326 | static void aio_grp_feed (aio_req grp) |
388 | static void aio_grp_feed (aio_req grp) |
327 | { |
389 | { |
|
|
390 | block_sig (); |
|
|
391 | |
328 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
392 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
329 | { |
393 | { |
330 | int old_len = grp->length; |
394 | int old_len = grp->size; |
331 | |
395 | |
332 | if (grp->fh2 && SvOK (grp->fh2)) |
396 | if (grp->sv2 && SvOK (grp->sv2)) |
333 | { |
397 | { |
334 | dSP; |
398 | dSP; |
335 | |
399 | |
336 | ENTER; |
400 | ENTER; |
337 | SAVETMPS; |
401 | SAVETMPS; |
338 | PUSHMARK (SP); |
402 | PUSHMARK (SP); |
339 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
403 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
340 | PUTBACK; |
404 | PUTBACK; |
341 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
405 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
342 | SPAGAIN; |
406 | SPAGAIN; |
343 | FREETMPS; |
407 | FREETMPS; |
344 | LEAVE; |
408 | LEAVE; |
345 | } |
409 | } |
346 | |
410 | |
347 | /* stop if no progress has been made */ |
411 | /* stop if no progress has been made */ |
348 | if (old_len == grp->length) |
412 | if (old_len == grp->size) |
349 | { |
413 | { |
350 | SvREFCNT_dec (grp->fh2); |
414 | SvREFCNT_dec (grp->sv2); |
351 | grp->fh2 = 0; |
415 | grp->sv2 = 0; |
352 | break; |
416 | break; |
353 | } |
417 | } |
354 | } |
418 | } |
|
|
419 | |
|
|
420 | unblock_sig (); |
355 | } |
421 | } |
356 | |
422 | |
357 | static void aio_grp_dec (aio_req grp) |
423 | static void aio_grp_dec (aio_req grp) |
358 | { |
424 | { |
359 | --grp->length; |
425 | --grp->size; |
360 | |
426 | |
361 | /* call feeder, if applicable */ |
427 | /* call feeder, if applicable */ |
362 | aio_grp_feed (grp); |
428 | aio_grp_feed (grp); |
363 | |
429 | |
364 | /* finish, if done */ |
430 | /* finish, if done */ |
365 | if (!grp->length && grp->fd) |
431 | if (!grp->size && grp->int1) |
366 | { |
432 | { |
|
|
433 | block_sig (); |
|
|
434 | |
367 | req_invoke (grp); |
435 | if (!req_invoke (grp)) |
|
|
436 | { |
|
|
437 | req_free (grp); |
|
|
438 | unblock_sig (); |
|
|
439 | croak (0); |
|
|
440 | } |
|
|
441 | |
368 | req_free (grp); |
442 | req_free (grp); |
|
|
443 | unblock_sig (); |
369 | } |
444 | } |
370 | } |
445 | } |
371 | |
446 | |
372 | static void req_invoke (aio_req req) |
447 | static int req_invoke (aio_req req) |
373 | { |
448 | { |
374 | dSP; |
449 | dSP; |
|
|
450 | |
|
|
451 | if (req->flags & FLAG_SV1_RO_OFF) |
|
|
452 | SvREADONLY_off (req->sv1); |
375 | |
453 | |
376 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
454 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
377 | { |
455 | { |
378 | ENTER; |
456 | ENTER; |
379 | SAVETMPS; |
457 | SAVETMPS; |
… | |
… | |
387 | SV *rv = &PL_sv_undef; |
465 | SV *rv = &PL_sv_undef; |
388 | |
466 | |
389 | if (req->result >= 0) |
467 | if (req->result >= 0) |
390 | { |
468 | { |
391 | int i; |
469 | int i; |
392 | char *buf = req->data2ptr; |
470 | char *buf = req->ptr2; |
393 | AV *av = newAV (); |
471 | AV *av = newAV (); |
394 | |
472 | |
395 | av_extend (av, req->result - 1); |
473 | av_extend (av, req->result - 1); |
396 | |
474 | |
397 | for (i = 0; i < req->result; ++i) |
475 | for (i = 0; i < req->result; ++i) |
… | |
… | |
417 | PUSHs (sv_2mortal (newSViv (req->result))); |
495 | PUSHs (sv_2mortal (newSViv (req->result))); |
418 | PUTBACK; |
496 | PUTBACK; |
419 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
497 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
420 | SPAGAIN; |
498 | SPAGAIN; |
421 | |
499 | |
422 | fh = SvREFCNT_inc (POPs); |
500 | fh = POPs; |
423 | |
|
|
424 | PUSHMARK (SP); |
501 | PUSHMARK (SP); |
425 | XPUSHs (sv_2mortal (fh)); |
502 | XPUSHs (fh); |
426 | } |
503 | } |
427 | break; |
504 | break; |
428 | |
505 | |
429 | case REQ_GROUP: |
506 | case REQ_GROUP: |
430 | req->fd = 2; /* mark group as finished */ |
507 | req->int1 = 2; /* mark group as finished */ |
431 | |
508 | |
432 | if (req->data) |
509 | if (req->sv1) |
433 | { |
510 | { |
434 | int i; |
511 | int i; |
435 | AV *av = (AV *)req->data; |
512 | AV *av = (AV *)req->sv1; |
436 | |
513 | |
437 | EXTEND (SP, AvFILL (av) + 1); |
514 | EXTEND (SP, AvFILL (av) + 1); |
438 | for (i = 0; i <= AvFILL (av); ++i) |
515 | for (i = 0; i <= AvFILL (av); ++i) |
439 | PUSHs (*av_fetch (av, i, 0)); |
516 | PUSHs (*av_fetch (av, i, 0)); |
440 | } |
517 | } |
… | |
… | |
442 | |
519 | |
443 | case REQ_NOP: |
520 | case REQ_NOP: |
444 | case REQ_BUSY: |
521 | case REQ_BUSY: |
445 | break; |
522 | break; |
446 | |
523 | |
|
|
524 | case REQ_READLINK: |
|
|
525 | if (req->result > 0) |
|
|
526 | { |
|
|
527 | SvCUR_set (req->sv1, req->result); |
|
|
528 | *SvEND (req->sv1) = 0; |
|
|
529 | PUSHs (req->sv1); |
|
|
530 | } |
|
|
531 | break; |
|
|
532 | |
|
|
533 | case REQ_STAT: |
|
|
534 | case REQ_LSTAT: |
|
|
535 | case REQ_FSTAT: |
|
|
536 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
537 | PL_laststatval = req->result; |
|
|
538 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
539 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
540 | break; |
|
|
541 | |
|
|
542 | case REQ_READ: |
|
|
543 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
544 | *SvEND (req->sv1) = 0; |
|
|
545 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
546 | break; |
|
|
547 | |
447 | default: |
548 | default: |
448 | PUSHs (sv_2mortal (newSViv (req->result))); |
549 | PUSHs (sv_2mortal (newSViv (req->result))); |
449 | break; |
550 | break; |
450 | } |
551 | } |
451 | |
552 | |
… | |
… | |
471 | grp->grp_first = req->grp_next; |
572 | grp->grp_first = req->grp_next; |
472 | |
573 | |
473 | aio_grp_dec (grp); |
574 | aio_grp_dec (grp); |
474 | } |
575 | } |
475 | |
576 | |
476 | if (SvTRUE (ERRSV)) |
577 | return !SvTRUE (ERRSV); |
477 | { |
|
|
478 | req_free (req); |
|
|
479 | croak (0); |
|
|
480 | } |
|
|
481 | } |
578 | } |
482 | |
579 | |
483 | static void req_free (aio_req req) |
580 | static void req_free (aio_req req) |
484 | { |
581 | { |
485 | if (req->self) |
582 | if (req->self) |
486 | { |
583 | { |
487 | sv_unmagic (req->self, PERL_MAGIC_ext); |
584 | sv_unmagic (req->self, PERL_MAGIC_ext); |
488 | SvREFCNT_dec (req->self); |
585 | SvREFCNT_dec (req->self); |
489 | } |
586 | } |
490 | |
587 | |
491 | SvREFCNT_dec (req->data); |
|
|
492 | SvREFCNT_dec (req->fh); |
588 | SvREFCNT_dec (req->fh); |
|
|
589 | SvREFCNT_dec (req->sv1); |
493 | SvREFCNT_dec (req->fh2); |
590 | SvREFCNT_dec (req->sv2); |
494 | SvREFCNT_dec (req->callback); |
591 | SvREFCNT_dec (req->callback); |
495 | Safefree (req->statdata); |
|
|
496 | |
592 | |
497 | if (req->type == REQ_READDIR) |
593 | if (req->flags & FLAG_PTR2_FREE) |
498 | free (req->data2ptr); |
594 | free (req->ptr2); |
499 | |
595 | |
500 | Safefree (req); |
596 | Safefree (req); |
501 | } |
597 | } |
502 | |
598 | |
503 | static void req_cancel_subs (aio_req grp) |
599 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
505 | aio_req sub; |
601 | aio_req sub; |
506 | |
602 | |
507 | if (grp->type != REQ_GROUP) |
603 | if (grp->type != REQ_GROUP) |
508 | return; |
604 | return; |
509 | |
605 | |
510 | SvREFCNT_dec (grp->fh2); |
606 | SvREFCNT_dec (grp->sv2); |
511 | grp->fh2 = 0; |
607 | grp->sv2 = 0; |
512 | |
608 | |
513 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
609 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
514 | req_cancel (sub); |
610 | req_cancel (sub); |
515 | } |
611 | } |
516 | |
612 | |
… | |
… | |
541 | #endif |
637 | #endif |
542 | |
638 | |
543 | sigfillset (&fullsigset); |
639 | sigfillset (&fullsigset); |
544 | |
640 | |
545 | LOCK (wrklock); |
641 | LOCK (wrklock); |
546 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
642 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
547 | |
643 | |
548 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
644 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
549 | { |
645 | { |
550 | wrk->prev = &wrk_first; |
646 | wrk->prev = &wrk_first; |
551 | wrk->next = wrk_first.next; |
647 | wrk->next = wrk_first.next; |
… | |
… | |
554 | ++started; |
650 | ++started; |
555 | } |
651 | } |
556 | else |
652 | else |
557 | free (wrk); |
653 | free (wrk); |
558 | |
654 | |
559 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
655 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
560 | UNLOCK (wrklock); |
656 | UNLOCK (wrklock); |
561 | } |
657 | } |
562 | |
658 | |
563 | static void maybe_start_thread () |
659 | static void maybe_start_thread () |
564 | { |
660 | { |
565 | if (started >= wanted) |
661 | if (get_nthreads () >= wanted) |
566 | return; |
662 | return; |
567 | |
663 | |
568 | /* todo: maybe use idle here, but might be less exact */ |
664 | /* todo: maybe use idle here, but might be less exact */ |
569 | if ((int)nready <= (int)started - (int)(nreqs - get_nready () - get_npending ())) |
665 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
570 | return; |
666 | return; |
571 | |
667 | |
572 | start_thread (); |
668 | start_thread (); |
573 | } |
669 | } |
574 | |
670 | |
575 | static void req_send (aio_req req) |
671 | static void req_send (aio_req req) |
576 | { |
672 | { |
|
|
673 | block_sig (); |
|
|
674 | |
577 | ++nreqs; |
675 | ++nreqs; |
578 | |
676 | |
579 | LOCK (reqlock); |
677 | LOCK (reqlock); |
580 | ++nready; |
678 | ++nready; |
581 | reqq_push (&req_queue, req); |
679 | reqq_push (&req_queue, req); |
582 | pthread_cond_signal (&reqwait); |
680 | pthread_cond_signal (&reqwait); |
583 | UNLOCK (reqlock); |
681 | UNLOCK (reqlock); |
584 | |
682 | |
|
|
683 | unblock_sig (); |
|
|
684 | |
585 | maybe_start_thread (); |
685 | maybe_start_thread (); |
586 | } |
686 | } |
587 | |
687 | |
588 | static void end_thread (void) |
688 | static void end_thread (void) |
589 | { |
689 | { |
… | |
… | |
602 | LOCK (wrklock); |
702 | LOCK (wrklock); |
603 | --started; |
703 | --started; |
604 | UNLOCK (wrklock); |
704 | UNLOCK (wrklock); |
605 | } |
705 | } |
606 | |
706 | |
|
|
707 | static void set_max_idle (int nthreads) |
|
|
708 | { |
|
|
709 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
710 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
711 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
712 | } |
|
|
713 | |
607 | static void min_parallel (int nthreads) |
714 | static void min_parallel (int nthreads) |
608 | { |
715 | { |
609 | if (wanted < nthreads) |
716 | if (wanted < nthreads) |
610 | wanted = nthreads; |
717 | wanted = nthreads; |
611 | } |
718 | } |
… | |
… | |
624 | fd_set rfd; |
731 | fd_set rfd; |
625 | |
732 | |
626 | while (nreqs) |
733 | while (nreqs) |
627 | { |
734 | { |
628 | int size; |
735 | int size; |
629 | if (WORDREAD_UNSAFE) LOCK (reslock); |
736 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
630 | size = res_queue.size; |
737 | size = res_queue.size; |
631 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
738 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
632 | |
739 | |
633 | if (size) |
740 | if (size) |
634 | return; |
741 | return; |
635 | |
742 | |
636 | maybe_start_thread (); |
743 | maybe_start_thread (); |
… | |
… | |
640 | |
747 | |
641 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
748 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
642 | } |
749 | } |
643 | } |
750 | } |
644 | |
751 | |
645 | static int poll_cb (int max) |
752 | static int poll_cb () |
646 | { |
753 | { |
647 | dSP; |
754 | dSP; |
648 | int count = 0; |
755 | int count = 0; |
|
|
756 | int maxreqs = max_poll_reqs; |
649 | int do_croak = 0; |
757 | int do_croak = 0; |
|
|
758 | struct timeval tv_start, tv_now; |
650 | aio_req req; |
759 | aio_req req; |
|
|
760 | |
|
|
761 | if (max_poll_time) |
|
|
762 | gettimeofday (&tv_start, 0); |
|
|
763 | |
|
|
764 | block_sig (); |
651 | |
765 | |
652 | for (;;) |
766 | for (;;) |
653 | { |
767 | { |
654 | while (max <= 0 || count < max) |
768 | for (;;) |
655 | { |
769 | { |
656 | maybe_start_thread (); |
770 | maybe_start_thread (); |
657 | |
771 | |
658 | LOCK (reslock); |
772 | LOCK (reslock); |
659 | req = reqq_shift (&res_queue); |
773 | req = reqq_shift (&res_queue); |
… | |
… | |
663 | --npending; |
777 | --npending; |
664 | |
778 | |
665 | if (!res_queue.size) |
779 | if (!res_queue.size) |
666 | { |
780 | { |
667 | /* read any signals sent by the worker threads */ |
781 | /* read any signals sent by the worker threads */ |
668 | char buf [32]; |
782 | char buf [4]; |
669 | while (read (respipe [0], buf, 32) == 32) |
783 | while (read (respipe [0], buf, 4) == 4) |
670 | ; |
784 | ; |
671 | } |
785 | } |
672 | } |
786 | } |
673 | |
787 | |
674 | UNLOCK (reslock); |
788 | UNLOCK (reslock); |
… | |
… | |
676 | if (!req) |
790 | if (!req) |
677 | break; |
791 | break; |
678 | |
792 | |
679 | --nreqs; |
793 | --nreqs; |
680 | |
794 | |
681 | if (req->type == REQ_GROUP && req->length) |
795 | if (req->type == REQ_GROUP && req->size) |
682 | { |
796 | { |
683 | req->fd = 1; /* mark request as delayed */ |
797 | req->int1 = 1; /* mark request as delayed */ |
684 | continue; |
798 | continue; |
685 | } |
799 | } |
686 | else |
800 | else |
687 | { |
801 | { |
688 | if (req->type == REQ_READ) |
802 | if (!req_invoke (req)) |
689 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
690 | |
|
|
691 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
692 | SvREADONLY_off (req->data); |
|
|
693 | |
|
|
694 | if (req->statdata) |
|
|
695 | { |
803 | { |
696 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
804 | req_free (req); |
697 | PL_laststatval = req->result; |
805 | unblock_sig (); |
698 | PL_statcache = *(req->statdata); |
806 | croak (0); |
699 | } |
807 | } |
700 | |
|
|
701 | req_invoke (req); |
|
|
702 | |
808 | |
703 | count++; |
809 | count++; |
704 | } |
810 | } |
705 | |
811 | |
706 | req_free (req); |
812 | req_free (req); |
|
|
813 | |
|
|
814 | if (maxreqs && !--maxreqs) |
|
|
815 | break; |
|
|
816 | |
|
|
817 | if (max_poll_time) |
|
|
818 | { |
|
|
819 | gettimeofday (&tv_now, 0); |
|
|
820 | |
|
|
821 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
822 | break; |
|
|
823 | } |
707 | } |
824 | } |
708 | |
825 | |
709 | if (nreqs <= max_outstanding) |
826 | if (nreqs <= max_outstanding) |
710 | break; |
827 | break; |
711 | |
828 | |
712 | poll_wait (); |
829 | poll_wait (); |
713 | |
830 | |
714 | max = 0; |
831 | ++maxreqs; |
715 | } |
832 | } |
716 | |
833 | |
|
|
834 | unblock_sig (); |
717 | return count; |
835 | return count; |
718 | } |
836 | } |
719 | |
837 | |
720 | static void create_pipe () |
838 | static void create_pipe () |
721 | { |
839 | { |
… | |
… | |
937 | int memofs = 0; |
1055 | int memofs = 0; |
938 | int res = 0; |
1056 | int res = 0; |
939 | int errorno; |
1057 | int errorno; |
940 | |
1058 | |
941 | LOCK (wrklock); |
1059 | LOCK (wrklock); |
942 | self->dirp = dirp = opendir (req->dataptr); |
1060 | self->dirp = dirp = opendir (req->ptr1); |
943 | self->dbuf = u = malloc (sizeof (*u)); |
1061 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1062 | req->flags |= FLAG_PTR2_FREE; |
944 | req->data2ptr = names = malloc (memlen); |
1063 | req->ptr2 = names = malloc (memlen); |
945 | UNLOCK (wrklock); |
1064 | UNLOCK (wrklock); |
946 | |
1065 | |
947 | if (dirp && u && names) |
1066 | if (dirp && u && names) |
948 | for (;;) |
1067 | for (;;) |
949 | { |
1068 | { |
… | |
… | |
963 | |
1082 | |
964 | while (memofs + len > memlen) |
1083 | while (memofs + len > memlen) |
965 | { |
1084 | { |
966 | memlen *= 2; |
1085 | memlen *= 2; |
967 | LOCK (wrklock); |
1086 | LOCK (wrklock); |
968 | req->data2ptr = names = realloc (names, memlen); |
1087 | req->ptr2 = names = realloc (names, memlen); |
969 | UNLOCK (wrklock); |
1088 | UNLOCK (wrklock); |
970 | |
1089 | |
971 | if (!names) |
1090 | if (!names) |
972 | break; |
1091 | break; |
973 | } |
1092 | } |
… | |
… | |
1038 | errno = 0; /* strictly unnecessary */ |
1157 | errno = 0; /* strictly unnecessary */ |
1039 | |
1158 | |
1040 | if (!(req->flags & FLAG_CANCELLED)) |
1159 | if (!(req->flags & FLAG_CANCELLED)) |
1041 | switch (req->type) |
1160 | switch (req->type) |
1042 | { |
1161 | { |
1043 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1162 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1044 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1163 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1045 | |
1164 | |
1046 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1165 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1047 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1166 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1048 | |
1167 | |
1049 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1168 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1050 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1169 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1051 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1170 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1052 | |
1171 | |
1053 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1172 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1054 | case REQ_CLOSE: req->result = close (req->fd); break; |
1173 | case REQ_CLOSE: req->result = close (req->int1); break; |
1055 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1174 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1056 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1175 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1057 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1176 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1058 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1177 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1059 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1178 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1060 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
1179 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1180 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1061 | |
1181 | |
1062 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1182 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1063 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1183 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1064 | case REQ_READDIR: scandir_ (req, self); break; |
1184 | case REQ_READDIR: scandir_ (req, self); break; |
1065 | |
1185 | |
1066 | case REQ_BUSY: |
1186 | case REQ_BUSY: |
1067 | { |
1187 | { |
1068 | struct timeval tv; |
1188 | struct timeval tv; |
1069 | |
1189 | |
1070 | tv.tv_sec = req->fd; |
1190 | tv.tv_sec = req->int1; |
1071 | tv.tv_usec = req->fd2; |
1191 | tv.tv_usec = req->int2; |
1072 | |
1192 | |
1073 | req->result = select (0, 0, 0, 0, &tv); |
1193 | req->result = select (0, 0, 0, 0, &tv); |
1074 | } |
1194 | } |
1075 | |
1195 | |
1076 | case REQ_GROUP: |
1196 | case REQ_GROUP: |
… | |
… | |
1090 | LOCK (reslock); |
1210 | LOCK (reslock); |
1091 | |
1211 | |
1092 | ++npending; |
1212 | ++npending; |
1093 | |
1213 | |
1094 | if (!reqq_push (&res_queue, req)) |
1214 | if (!reqq_push (&res_queue, req)) |
|
|
1215 | { |
1095 | /* write a dummy byte to the pipe so fh becomes ready */ |
1216 | /* write a dummy byte to the pipe so fh becomes ready */ |
1096 | write (respipe [1], &respipe, 1); |
1217 | write (respipe [1], &respipe, 1); |
|
|
1218 | |
|
|
1219 | /* optionally signal the main thread asynchronously */ |
|
|
1220 | if (main_sig) |
|
|
1221 | pthread_kill (main_tid, main_sig); |
|
|
1222 | } |
1097 | |
1223 | |
1098 | self->req = 0; |
1224 | self->req = 0; |
1099 | worker_clear (self); |
1225 | worker_clear (self); |
1100 | |
1226 | |
1101 | UNLOCK (reslock); |
1227 | UNLOCK (reslock); |
… | |
… | |
1204 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1330 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1205 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1331 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1206 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1332 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1207 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1333 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1208 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1334 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1335 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1209 | |
1336 | |
1210 | create_pipe (); |
1337 | create_pipe (); |
1211 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1338 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1212 | } |
1339 | } |
1213 | |
1340 | |
1214 | void |
1341 | void |
|
|
1342 | max_poll_reqs (int nreqs) |
|
|
1343 | PROTOTYPE: $ |
|
|
1344 | CODE: |
|
|
1345 | max_poll_reqs = nreqs; |
|
|
1346 | |
|
|
1347 | void |
|
|
1348 | max_poll_time (double nseconds) |
|
|
1349 | PROTOTYPE: $ |
|
|
1350 | CODE: |
|
|
1351 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1352 | |
|
|
1353 | void |
1215 | min_parallel (int nthreads) |
1354 | min_parallel (int nthreads) |
1216 | PROTOTYPE: $ |
1355 | PROTOTYPE: $ |
1217 | |
1356 | |
1218 | void |
1357 | void |
1219 | max_parallel (int nthreads) |
1358 | max_parallel (int nthreads) |
1220 | PROTOTYPE: $ |
1359 | PROTOTYPE: $ |
|
|
1360 | |
|
|
1361 | void |
|
|
1362 | max_idle (int nthreads) |
|
|
1363 | PROTOTYPE: $ |
|
|
1364 | CODE: |
|
|
1365 | set_max_idle (nthreads); |
1221 | |
1366 | |
1222 | int |
1367 | int |
1223 | max_outstanding (int maxreqs) |
1368 | max_outstanding (int maxreqs) |
1224 | PROTOTYPE: $ |
1369 | PROTOTYPE: $ |
1225 | CODE: |
1370 | CODE: |
… | |
… | |
1228 | OUTPUT: |
1373 | OUTPUT: |
1229 | RETVAL |
1374 | RETVAL |
1230 | |
1375 | |
1231 | void |
1376 | void |
1232 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1377 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1233 | SV * pathname |
1378 | SV8 * pathname |
1234 | int flags |
1379 | int flags |
1235 | int mode |
1380 | int mode |
1236 | SV * callback |
1381 | SV * callback |
1237 | PROTOTYPE: $$$;$ |
1382 | PROTOTYPE: $$$;$ |
1238 | PPCODE: |
1383 | PPCODE: |
1239 | { |
1384 | { |
1240 | dREQ; |
1385 | dREQ; |
1241 | |
1386 | |
1242 | req->type = REQ_OPEN; |
1387 | req->type = REQ_OPEN; |
1243 | req->data = newSVsv (pathname); |
1388 | req->sv1 = newSVsv (pathname); |
1244 | req->dataptr = SvPVbyte_nolen (req->data); |
1389 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1245 | req->fd = flags; |
1390 | req->int1 = flags; |
1246 | req->mode = mode; |
1391 | req->mode = mode; |
1247 | |
1392 | |
1248 | REQ_SEND; |
1393 | REQ_SEND; |
1249 | } |
1394 | } |
1250 | |
1395 | |
… | |
… | |
1260 | PPCODE: |
1405 | PPCODE: |
1261 | { |
1406 | { |
1262 | dREQ; |
1407 | dREQ; |
1263 | |
1408 | |
1264 | req->type = ix; |
1409 | req->type = ix; |
1265 | req->fh = newSVsv (fh); |
1410 | req->fh = newSVsv (fh); |
1266 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1411 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1267 | |
1412 | |
1268 | REQ_SEND (req); |
1413 | REQ_SEND (req); |
1269 | } |
1414 | } |
1270 | |
1415 | |
1271 | void |
1416 | void |
1272 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1417 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1273 | SV * fh |
1418 | SV * fh |
1274 | UV offset |
1419 | UV offset |
1275 | UV length |
1420 | UV length |
1276 | SV * data |
1421 | SV8 * data |
1277 | UV dataoffset |
1422 | UV dataoffset |
1278 | SV * callback |
1423 | SV * callback |
1279 | ALIAS: |
1424 | ALIAS: |
1280 | aio_read = REQ_READ |
1425 | aio_read = REQ_READ |
1281 | aio_write = REQ_WRITE |
1426 | aio_write = REQ_WRITE |
1282 | PROTOTYPE: $$$$$;$ |
1427 | PROTOTYPE: $$$$$;$ |
1283 | PPCODE: |
1428 | PPCODE: |
1284 | { |
1429 | { |
1285 | aio_req req; |
|
|
1286 | STRLEN svlen; |
1430 | STRLEN svlen; |
1287 | char *svptr = SvPVbyte (data, svlen); |
1431 | char *svptr = SvPVbyte (data, svlen); |
1288 | |
1432 | |
1289 | SvUPGRADE (data, SVt_PV); |
1433 | SvUPGRADE (data, SVt_PV); |
1290 | SvPOK_on (data); |
1434 | SvPOK_on (data); |
… | |
… | |
1302 | length = svlen - dataoffset; |
1446 | length = svlen - dataoffset; |
1303 | } |
1447 | } |
1304 | else |
1448 | else |
1305 | { |
1449 | { |
1306 | /* read: grow scalar as necessary */ |
1450 | /* read: grow scalar as necessary */ |
1307 | svptr = SvGROW (data, length + dataoffset); |
1451 | svptr = SvGROW (data, length + dataoffset + 1); |
1308 | } |
1452 | } |
1309 | |
1453 | |
1310 | if (length < 0) |
1454 | if (length < 0) |
1311 | croak ("length must not be negative"); |
1455 | croak ("length must not be negative"); |
1312 | |
1456 | |
1313 | { |
1457 | { |
1314 | dREQ; |
1458 | dREQ; |
1315 | |
1459 | |
1316 | req->type = ix; |
1460 | req->type = ix; |
1317 | req->fh = newSVsv (fh); |
1461 | req->fh = newSVsv (fh); |
1318 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1462 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1319 | : IoOFP (sv_2io (fh))); |
1463 | : IoOFP (sv_2io (fh))); |
1320 | req->offset = offset; |
1464 | req->offs = offset; |
1321 | req->length = length; |
1465 | req->size = length; |
1322 | req->data = SvREFCNT_inc (data); |
1466 | req->sv1 = SvREFCNT_inc (data); |
1323 | req->dataptr = (char *)svptr + dataoffset; |
1467 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1468 | req->stroffset = dataoffset; |
1324 | |
1469 | |
1325 | if (!SvREADONLY (data)) |
1470 | if (!SvREADONLY (data)) |
1326 | { |
1471 | { |
1327 | SvREADONLY_on (data); |
1472 | SvREADONLY_on (data); |
1328 | req->data2ptr = (void *)data; |
1473 | req->flags |= FLAG_SV1_RO_OFF; |
1329 | } |
1474 | } |
1330 | |
1475 | |
1331 | REQ_SEND; |
1476 | REQ_SEND; |
1332 | } |
1477 | } |
|
|
1478 | } |
|
|
1479 | |
|
|
1480 | void |
|
|
1481 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1482 | SV8 * path |
|
|
1483 | SV * callback |
|
|
1484 | PROTOTYPE: $$;$ |
|
|
1485 | PPCODE: |
|
|
1486 | { |
|
|
1487 | SV *data; |
|
|
1488 | dREQ; |
|
|
1489 | |
|
|
1490 | data = newSV (NAME_MAX); |
|
|
1491 | SvPOK_on (data); |
|
|
1492 | |
|
|
1493 | req->type = REQ_READLINK; |
|
|
1494 | req->fh = newSVsv (path); |
|
|
1495 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1496 | req->sv1 = data; |
|
|
1497 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1498 | |
|
|
1499 | REQ_SEND; |
1333 | } |
1500 | } |
1334 | |
1501 | |
1335 | void |
1502 | void |
1336 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1503 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1337 | SV * out_fh |
1504 | SV * out_fh |
… | |
… | |
1343 | PPCODE: |
1510 | PPCODE: |
1344 | { |
1511 | { |
1345 | dREQ; |
1512 | dREQ; |
1346 | |
1513 | |
1347 | req->type = REQ_SENDFILE; |
1514 | req->type = REQ_SENDFILE; |
1348 | req->fh = newSVsv (out_fh); |
1515 | req->fh = newSVsv (out_fh); |
1349 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1516 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1350 | req->fh2 = newSVsv (in_fh); |
1517 | req->sv2 = newSVsv (in_fh); |
1351 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1518 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1352 | req->offset = in_offset; |
1519 | req->offs = in_offset; |
1353 | req->length = length; |
1520 | req->size = length; |
1354 | |
1521 | |
1355 | REQ_SEND; |
1522 | REQ_SEND; |
1356 | } |
1523 | } |
1357 | |
1524 | |
1358 | void |
1525 | void |
… | |
… | |
1365 | PPCODE: |
1532 | PPCODE: |
1366 | { |
1533 | { |
1367 | dREQ; |
1534 | dREQ; |
1368 | |
1535 | |
1369 | req->type = REQ_READAHEAD; |
1536 | req->type = REQ_READAHEAD; |
1370 | req->fh = newSVsv (fh); |
1537 | req->fh = newSVsv (fh); |
1371 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1538 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1372 | req->offset = offset; |
1539 | req->offs = offset; |
1373 | req->length = length; |
1540 | req->size = length; |
1374 | |
1541 | |
1375 | REQ_SEND; |
1542 | REQ_SEND; |
1376 | } |
1543 | } |
1377 | |
1544 | |
1378 | void |
1545 | void |
1379 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1546 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1380 | SV * fh_or_path |
1547 | SV8 * fh_or_path |
1381 | SV * callback |
1548 | SV * callback |
1382 | ALIAS: |
1549 | ALIAS: |
1383 | aio_stat = REQ_STAT |
1550 | aio_stat = REQ_STAT |
1384 | aio_lstat = REQ_LSTAT |
1551 | aio_lstat = REQ_LSTAT |
1385 | PPCODE: |
1552 | PPCODE: |
1386 | { |
1553 | { |
1387 | dREQ; |
1554 | dREQ; |
1388 | |
1555 | |
1389 | New (0, req->statdata, 1, Stat_t); |
1556 | req->ptr2 = malloc (sizeof (Stat_t)); |
1390 | if (!req->statdata) |
1557 | if (!req->ptr2) |
1391 | { |
1558 | { |
1392 | req_free (req); |
1559 | req_free (req); |
1393 | croak ("out of memory during aio_req->statdata allocation"); |
1560 | croak ("out of memory during aio_stat statdata allocation"); |
1394 | } |
1561 | } |
|
|
1562 | |
|
|
1563 | req->flags |= FLAG_PTR2_FREE; |
1395 | |
1564 | |
1396 | if (SvPOK (fh_or_path)) |
1565 | if (SvPOK (fh_or_path)) |
1397 | { |
1566 | { |
1398 | req->type = ix; |
1567 | req->type = ix; |
1399 | req->data = newSVsv (fh_or_path); |
1568 | req->sv1 = newSVsv (fh_or_path); |
1400 | req->dataptr = SvPVbyte_nolen (req->data); |
1569 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1401 | } |
1570 | } |
1402 | else |
1571 | else |
1403 | { |
1572 | { |
1404 | req->type = REQ_FSTAT; |
1573 | req->type = REQ_FSTAT; |
1405 | req->fh = newSVsv (fh_or_path); |
1574 | req->fh = newSVsv (fh_or_path); |
1406 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1575 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1407 | } |
1576 | } |
1408 | |
1577 | |
1409 | REQ_SEND; |
1578 | REQ_SEND; |
1410 | } |
1579 | } |
1411 | |
1580 | |
1412 | void |
1581 | void |
1413 | aio_unlink (pathname,callback=&PL_sv_undef) |
1582 | aio_unlink (pathname,callback=&PL_sv_undef) |
1414 | SV * pathname |
1583 | SV8 * pathname |
1415 | SV * callback |
1584 | SV * callback |
1416 | ALIAS: |
1585 | ALIAS: |
1417 | aio_unlink = REQ_UNLINK |
1586 | aio_unlink = REQ_UNLINK |
1418 | aio_rmdir = REQ_RMDIR |
1587 | aio_rmdir = REQ_RMDIR |
1419 | aio_readdir = REQ_READDIR |
1588 | aio_readdir = REQ_READDIR |
1420 | PPCODE: |
1589 | PPCODE: |
1421 | { |
1590 | { |
1422 | dREQ; |
1591 | dREQ; |
1423 | |
1592 | |
1424 | req->type = ix; |
1593 | req->type = ix; |
1425 | req->data = newSVsv (pathname); |
1594 | req->sv1 = newSVsv (pathname); |
1426 | req->dataptr = SvPVbyte_nolen (req->data); |
1595 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1427 | |
1596 | |
1428 | REQ_SEND; |
1597 | REQ_SEND; |
1429 | } |
1598 | } |
1430 | |
1599 | |
1431 | void |
1600 | void |
1432 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1601 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1433 | SV * oldpath |
1602 | SV8 * oldpath |
1434 | SV * newpath |
1603 | SV8 * newpath |
1435 | SV * callback |
1604 | SV * callback |
1436 | ALIAS: |
1605 | ALIAS: |
1437 | aio_link = REQ_LINK |
1606 | aio_link = REQ_LINK |
1438 | aio_symlink = REQ_SYMLINK |
1607 | aio_symlink = REQ_SYMLINK |
1439 | aio_rename = REQ_RENAME |
1608 | aio_rename = REQ_RENAME |
1440 | PPCODE: |
1609 | PPCODE: |
1441 | { |
1610 | { |
1442 | dREQ; |
1611 | dREQ; |
1443 | |
1612 | |
1444 | req->type = ix; |
1613 | req->type = ix; |
1445 | req->fh = newSVsv (oldpath); |
1614 | req->fh = newSVsv (oldpath); |
1446 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1615 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1447 | req->data = newSVsv (newpath); |
1616 | req->sv1 = newSVsv (newpath); |
1448 | req->dataptr = SvPVbyte_nolen (req->data); |
1617 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1449 | |
1618 | |
1450 | REQ_SEND; |
1619 | REQ_SEND; |
1451 | } |
1620 | } |
1452 | |
1621 | |
1453 | void |
1622 | void |
1454 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1623 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1455 | SV * pathname |
1624 | SV8 * pathname |
1456 | SV * callback |
1625 | SV * callback |
1457 | UV mode |
1626 | UV mode |
1458 | UV dev |
1627 | UV dev |
1459 | PPCODE: |
1628 | PPCODE: |
1460 | { |
1629 | { |
1461 | dREQ; |
1630 | dREQ; |
1462 | |
1631 | |
1463 | req->type = REQ_MKNOD; |
1632 | req->type = REQ_MKNOD; |
1464 | req->data = newSVsv (pathname); |
1633 | req->sv1 = newSVsv (pathname); |
1465 | req->dataptr = SvPVbyte_nolen (req->data); |
1634 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1466 | req->mode = (mode_t)mode; |
1635 | req->mode = (mode_t)mode; |
1467 | req->offset = dev; |
1636 | req->offs = dev; |
1468 | |
1637 | |
1469 | REQ_SEND; |
1638 | REQ_SEND; |
1470 | } |
1639 | } |
1471 | |
1640 | |
1472 | void |
1641 | void |
1473 | aio_busy (delay,callback=&PL_sv_undef) |
1642 | aio_busy (delay,callback=&PL_sv_undef) |
1474 | double delay |
1643 | double delay |
1475 | SV * callback |
1644 | SV * callback |
1476 | PPCODE: |
1645 | PPCODE: |
1477 | { |
1646 | { |
1478 | dREQ; |
1647 | dREQ; |
1479 | |
1648 | |
1480 | req->type = REQ_BUSY; |
1649 | req->type = REQ_BUSY; |
1481 | req->fd = delay < 0. ? 0 : delay; |
1650 | req->int1 = delay < 0. ? 0 : delay; |
1482 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1651 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1483 | |
1652 | |
1484 | REQ_SEND; |
1653 | REQ_SEND; |
1485 | } |
1654 | } |
1486 | |
1655 | |
1487 | void |
1656 | void |
… | |
… | |
1491 | PPCODE: |
1660 | PPCODE: |
1492 | { |
1661 | { |
1493 | dREQ; |
1662 | dREQ; |
1494 | |
1663 | |
1495 | req->type = REQ_GROUP; |
1664 | req->type = REQ_GROUP; |
|
|
1665 | |
1496 | req_send (req); |
1666 | req_send (req); |
1497 | |
|
|
1498 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1667 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1499 | } |
1668 | } |
1500 | |
1669 | |
1501 | void |
1670 | void |
1502 | aio_nop (callback=&PL_sv_undef) |
1671 | aio_nop (callback=&PL_sv_undef) |
1503 | SV * callback |
1672 | SV * callback |
1504 | PPCODE: |
1673 | PPCODE: |
1505 | { |
1674 | { |
1506 | dREQ; |
1675 | dREQ; |
1507 | |
1676 | |
1508 | req->type = REQ_NOP; |
1677 | req->type = REQ_NOP; |
… | |
… | |
1537 | PROTOTYPE: |
1706 | PROTOTYPE: |
1538 | CODE: |
1707 | CODE: |
1539 | while (nreqs) |
1708 | while (nreqs) |
1540 | { |
1709 | { |
1541 | poll_wait (); |
1710 | poll_wait (); |
1542 | poll_cb (0); |
1711 | poll_cb (); |
1543 | } |
1712 | } |
1544 | |
1713 | |
1545 | void |
1714 | int |
1546 | poll() |
1715 | poll() |
1547 | PROTOTYPE: |
1716 | PROTOTYPE: |
1548 | CODE: |
1717 | CODE: |
1549 | if (nreqs) |
|
|
1550 | { |
|
|
1551 | poll_wait (); |
1718 | poll_wait (); |
1552 | poll_cb (0); |
1719 | RETVAL = poll_cb (); |
1553 | } |
1720 | OUTPUT: |
|
|
1721 | RETVAL |
1554 | |
1722 | |
1555 | int |
1723 | int |
1556 | poll_fileno() |
1724 | poll_fileno() |
1557 | PROTOTYPE: |
1725 | PROTOTYPE: |
1558 | CODE: |
1726 | CODE: |
… | |
… | |
1562 | |
1730 | |
1563 | int |
1731 | int |
1564 | poll_cb(...) |
1732 | poll_cb(...) |
1565 | PROTOTYPE: |
1733 | PROTOTYPE: |
1566 | CODE: |
1734 | CODE: |
1567 | RETVAL = poll_cb (0); |
1735 | RETVAL = poll_cb (); |
1568 | OUTPUT: |
|
|
1569 | RETVAL |
|
|
1570 | |
|
|
1571 | int |
|
|
1572 | poll_some(int max = 0) |
|
|
1573 | PROTOTYPE: $ |
|
|
1574 | CODE: |
|
|
1575 | RETVAL = poll_cb (max); |
|
|
1576 | OUTPUT: |
1736 | OUTPUT: |
1577 | RETVAL |
1737 | RETVAL |
1578 | |
1738 | |
1579 | void |
1739 | void |
1580 | poll_wait() |
1740 | poll_wait() |
1581 | PROTOTYPE: |
1741 | PROTOTYPE: |
1582 | CODE: |
1742 | CODE: |
1583 | if (nreqs) |
|
|
1584 | poll_wait (); |
1743 | poll_wait (); |
|
|
1744 | |
|
|
1745 | void |
|
|
1746 | setsig (int signum = SIGIO) |
|
|
1747 | PROTOTYPE: ;$ |
|
|
1748 | CODE: |
|
|
1749 | { |
|
|
1750 | if (block_sig_level) |
|
|
1751 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1752 | |
|
|
1753 | LOCK (reslock); |
|
|
1754 | main_tid = pthread_self (); |
|
|
1755 | main_sig = signum; |
|
|
1756 | UNLOCK (reslock); |
|
|
1757 | |
|
|
1758 | if (main_sig && npending) |
|
|
1759 | pthread_kill (main_tid, main_sig); |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | void |
|
|
1763 | aio_block (SV *cb) |
|
|
1764 | PROTOTYPE: & |
|
|
1765 | PPCODE: |
|
|
1766 | { |
|
|
1767 | int count; |
|
|
1768 | |
|
|
1769 | block_sig (); |
|
|
1770 | PUSHMARK (SP); |
|
|
1771 | PUTBACK; |
|
|
1772 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1773 | SPAGAIN; |
|
|
1774 | unblock_sig (); |
|
|
1775 | |
|
|
1776 | if (SvTRUE (ERRSV)) |
|
|
1777 | croak (0); |
|
|
1778 | |
|
|
1779 | XSRETURN (count); |
|
|
1780 | } |
1585 | |
1781 | |
1586 | int |
1782 | int |
1587 | nreqs() |
1783 | nreqs() |
1588 | PROTOTYPE: |
1784 | PROTOTYPE: |
1589 | CODE: |
1785 | CODE: |
… | |
… | |
1605 | CODE: |
1801 | CODE: |
1606 | RETVAL = get_npending (); |
1802 | RETVAL = get_npending (); |
1607 | OUTPUT: |
1803 | OUTPUT: |
1608 | RETVAL |
1804 | RETVAL |
1609 | |
1805 | |
|
|
1806 | int |
|
|
1807 | nthreads() |
|
|
1808 | PROTOTYPE: |
|
|
1809 | CODE: |
|
|
1810 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1811 | RETVAL = started; |
|
|
1812 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1813 | OUTPUT: |
|
|
1814 | RETVAL |
|
|
1815 | |
1610 | PROTOTYPES: DISABLE |
1816 | PROTOTYPES: DISABLE |
1611 | |
1817 | |
1612 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1818 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1613 | |
1819 | |
1614 | void |
1820 | void |
… | |
… | |
1629 | PPCODE: |
1835 | PPCODE: |
1630 | { |
1836 | { |
1631 | int i; |
1837 | int i; |
1632 | aio_req req; |
1838 | aio_req req; |
1633 | |
1839 | |
|
|
1840 | if (main_sig && !block_sig_level) |
|
|
1841 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1842 | |
1634 | if (grp->fd == 2) |
1843 | if (grp->int1 == 2) |
1635 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1844 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1636 | |
1845 | |
1637 | for (i = 1; i < items; ++i ) |
1846 | for (i = 1; i < items; ++i ) |
1638 | { |
1847 | { |
1639 | if (GIMME_V != G_VOID) |
1848 | if (GIMME_V != G_VOID) |
… | |
… | |
1641 | |
1850 | |
1642 | req = SvAIO_REQ (ST (i)); |
1851 | req = SvAIO_REQ (ST (i)); |
1643 | |
1852 | |
1644 | if (req) |
1853 | if (req) |
1645 | { |
1854 | { |
1646 | ++grp->length; |
1855 | ++grp->size; |
1647 | req->grp = grp; |
1856 | req->grp = grp; |
1648 | |
1857 | |
1649 | req->grp_prev = 0; |
1858 | req->grp_prev = 0; |
1650 | req->grp_next = grp->grp_first; |
1859 | req->grp_next = grp->grp_first; |
1651 | |
1860 | |
… | |
… | |
1674 | av = newAV (); |
1883 | av = newAV (); |
1675 | |
1884 | |
1676 | for (i = 1; i < items; ++i ) |
1885 | for (i = 1; i < items; ++i ) |
1677 | av_push (av, newSVsv (ST (i))); |
1886 | av_push (av, newSVsv (ST (i))); |
1678 | |
1887 | |
1679 | SvREFCNT_dec (grp->data); |
1888 | SvREFCNT_dec (grp->sv1); |
1680 | grp->data = (SV *)av; |
1889 | grp->sv1 = (SV *)av; |
1681 | } |
1890 | } |
1682 | |
1891 | |
1683 | void |
1892 | void |
1684 | errno (aio_req grp, int errorno = errno) |
1893 | errno (aio_req grp, int errorno = errno) |
1685 | CODE: |
1894 | CODE: |
1686 | grp->errorno = errorno; |
1895 | grp->errorno = errorno; |
1687 | |
1896 | |
1688 | void |
1897 | void |
1689 | limit (aio_req grp, int limit) |
1898 | limit (aio_req grp, int limit) |
1690 | CODE: |
1899 | CODE: |
1691 | grp->fd2 = limit; |
1900 | grp->int2 = limit; |
1692 | aio_grp_feed (grp); |
1901 | aio_grp_feed (grp); |
1693 | |
1902 | |
1694 | void |
1903 | void |
1695 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1904 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1696 | CODE: |
1905 | CODE: |
1697 | { |
1906 | { |
1698 | SvREFCNT_dec (grp->fh2); |
1907 | SvREFCNT_dec (grp->sv2); |
1699 | grp->fh2 = newSVsv (callback); |
1908 | grp->sv2 = newSVsv (callback); |
1700 | |
1909 | |
1701 | if (grp->fd2 <= 0) |
1910 | if (grp->int2 <= 0) |
1702 | grp->fd2 = 2; |
1911 | grp->int2 = 2; |
1703 | |
1912 | |
1704 | aio_grp_feed (grp); |
1913 | aio_grp_feed (grp); |
1705 | } |
1914 | } |
1706 | |
1915 | |