… | |
… | |
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_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 | static volatile unsigned int nreqs, nready, npending; |
|
|
151 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
152 | static int respipe [2]; |
|
|
153 | |
168 | |
154 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
169 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
155 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
170 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
156 | #else |
171 | #else |
157 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
172 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
… | |
… | |
198 | wrk->prev->next = wrk->next; |
213 | wrk->prev->next = wrk->next; |
199 | |
214 | |
200 | free (wrk); |
215 | free (wrk); |
201 | } |
216 | } |
202 | |
217 | |
|
|
218 | static volatile unsigned int nreqs, nready, npending; |
|
|
219 | static volatile unsigned int max_idle = 4; |
|
|
220 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
221 | static int respipe [2]; |
|
|
222 | |
203 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
223 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
204 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
224 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
205 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
225 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
226 | |
|
|
227 | #if WORDACCESS_UNSAFE |
|
|
228 | |
|
|
229 | static unsigned int get_nready () |
|
|
230 | { |
|
|
231 | unsigned int retval; |
|
|
232 | |
|
|
233 | LOCK (reqlock); |
|
|
234 | retval = nready; |
|
|
235 | UNLOCK (reqlock); |
|
|
236 | |
|
|
237 | return retval; |
|
|
238 | } |
|
|
239 | |
|
|
240 | static unsigned int get_npending () |
|
|
241 | { |
|
|
242 | unsigned int retval; |
|
|
243 | |
|
|
244 | LOCK (reslock); |
|
|
245 | retval = npending; |
|
|
246 | UNLOCK (reslock); |
|
|
247 | |
|
|
248 | return retval; |
|
|
249 | } |
|
|
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 | |
|
|
262 | #else |
|
|
263 | |
|
|
264 | # define get_nready() nready |
|
|
265 | # define get_npending() npending |
|
|
266 | # define get_nthreads() started |
|
|
267 | |
|
|
268 | #endif |
206 | |
269 | |
207 | /* |
270 | /* |
208 | * a somewhat faster data structure might be nice, but |
271 | * a somewhat faster data structure might be nice, but |
209 | * with 8 priorities this actually needs <20 insns |
272 | * with 8 priorities this actually needs <20 insns |
210 | * per shift, the most expensive operation. |
273 | * per shift, the most expensive operation. |
… | |
… | |
256 | } |
319 | } |
257 | |
320 | |
258 | abort (); |
321 | abort (); |
259 | } |
322 | } |
260 | |
323 | |
261 | static int poll_cb (int max); |
324 | static int poll_cb (); |
262 | static void req_invoke (aio_req req); |
325 | static void req_invoke (aio_req req); |
263 | static void req_free (aio_req req); |
326 | static void req_free (aio_req req); |
264 | static void req_cancel (aio_req req); |
327 | static void req_cancel (aio_req req); |
265 | |
328 | |
266 | /* must be called at most once */ |
329 | /* must be called at most once */ |
… | |
… | |
287 | return mg ? (aio_req)mg->mg_ptr : 0; |
350 | return mg ? (aio_req)mg->mg_ptr : 0; |
288 | } |
351 | } |
289 | |
352 | |
290 | static void aio_grp_feed (aio_req grp) |
353 | static void aio_grp_feed (aio_req grp) |
291 | { |
354 | { |
292 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
355 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
293 | { |
356 | { |
294 | int old_len = grp->length; |
357 | int old_len = grp->size; |
295 | |
358 | |
296 | if (grp->fh2 && SvOK (grp->fh2)) |
359 | if (grp->sv2 && SvOK (grp->sv2)) |
297 | { |
360 | { |
298 | dSP; |
361 | dSP; |
299 | |
362 | |
300 | ENTER; |
363 | ENTER; |
301 | SAVETMPS; |
364 | SAVETMPS; |
302 | PUSHMARK (SP); |
365 | PUSHMARK (SP); |
303 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
366 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
304 | PUTBACK; |
367 | PUTBACK; |
305 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
368 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
306 | SPAGAIN; |
369 | SPAGAIN; |
307 | FREETMPS; |
370 | FREETMPS; |
308 | LEAVE; |
371 | LEAVE; |
309 | } |
372 | } |
310 | |
373 | |
311 | /* stop if no progress has been made */ |
374 | /* stop if no progress has been made */ |
312 | if (old_len == grp->length) |
375 | if (old_len == grp->size) |
313 | { |
376 | { |
314 | SvREFCNT_dec (grp->fh2); |
377 | SvREFCNT_dec (grp->sv2); |
315 | grp->fh2 = 0; |
378 | grp->sv2 = 0; |
316 | break; |
379 | break; |
317 | } |
380 | } |
318 | } |
381 | } |
319 | } |
382 | } |
320 | |
383 | |
321 | static void aio_grp_dec (aio_req grp) |
384 | static void aio_grp_dec (aio_req grp) |
322 | { |
385 | { |
323 | --grp->length; |
386 | --grp->size; |
324 | |
387 | |
325 | /* call feeder, if applicable */ |
388 | /* call feeder, if applicable */ |
326 | aio_grp_feed (grp); |
389 | aio_grp_feed (grp); |
327 | |
390 | |
328 | /* finish, if done */ |
391 | /* finish, if done */ |
329 | if (!grp->length && grp->fd) |
392 | if (!grp->size && grp->int1) |
330 | { |
393 | { |
331 | req_invoke (grp); |
394 | req_invoke (grp); |
332 | req_free (grp); |
395 | req_free (grp); |
333 | } |
396 | } |
334 | } |
397 | } |
335 | |
398 | |
336 | static void poll_wait () |
|
|
337 | { |
|
|
338 | fd_set rfd; |
|
|
339 | |
|
|
340 | while (nreqs) |
|
|
341 | { |
|
|
342 | int size; |
|
|
343 | if (WORDREAD_UNSAFE) LOCK (reslock); |
|
|
344 | size = res_queue.size; |
|
|
345 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
|
|
346 | |
|
|
347 | if (size) |
|
|
348 | return; |
|
|
349 | |
|
|
350 | FD_ZERO(&rfd); |
|
|
351 | FD_SET(respipe [0], &rfd); |
|
|
352 | |
|
|
353 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
354 | } |
|
|
355 | } |
|
|
356 | |
|
|
357 | static void req_invoke (aio_req req) |
399 | static void req_invoke (aio_req req) |
358 | { |
400 | { |
359 | dSP; |
401 | dSP; |
|
|
402 | |
|
|
403 | if (req->flags & FLAG_SV1_RO_OFF) |
|
|
404 | SvREADONLY_off (req->sv1); |
360 | |
405 | |
361 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
406 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
362 | { |
407 | { |
363 | ENTER; |
408 | ENTER; |
364 | SAVETMPS; |
409 | SAVETMPS; |
… | |
… | |
372 | SV *rv = &PL_sv_undef; |
417 | SV *rv = &PL_sv_undef; |
373 | |
418 | |
374 | if (req->result >= 0) |
419 | if (req->result >= 0) |
375 | { |
420 | { |
376 | int i; |
421 | int i; |
377 | char *buf = req->data2ptr; |
422 | char *buf = req->ptr2; |
378 | AV *av = newAV (); |
423 | AV *av = newAV (); |
379 | |
424 | |
380 | av_extend (av, req->result - 1); |
425 | av_extend (av, req->result - 1); |
381 | |
426 | |
382 | for (i = 0; i < req->result; ++i) |
427 | for (i = 0; i < req->result; ++i) |
… | |
… | |
410 | XPUSHs (sv_2mortal (fh)); |
455 | XPUSHs (sv_2mortal (fh)); |
411 | } |
456 | } |
412 | break; |
457 | break; |
413 | |
458 | |
414 | case REQ_GROUP: |
459 | case REQ_GROUP: |
415 | req->fd = 2; /* mark group as finished */ |
460 | req->int1 = 2; /* mark group as finished */ |
416 | |
461 | |
417 | if (req->data) |
462 | if (req->sv1) |
418 | { |
463 | { |
419 | int i; |
464 | int i; |
420 | AV *av = (AV *)req->data; |
465 | AV *av = (AV *)req->sv1; |
421 | |
466 | |
422 | EXTEND (SP, AvFILL (av) + 1); |
467 | EXTEND (SP, AvFILL (av) + 1); |
423 | for (i = 0; i <= AvFILL (av); ++i) |
468 | for (i = 0; i <= AvFILL (av); ++i) |
424 | PUSHs (*av_fetch (av, i, 0)); |
469 | PUSHs (*av_fetch (av, i, 0)); |
425 | } |
470 | } |
… | |
… | |
427 | |
472 | |
428 | case REQ_NOP: |
473 | case REQ_NOP: |
429 | case REQ_BUSY: |
474 | case REQ_BUSY: |
430 | break; |
475 | break; |
431 | |
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 | |
432 | default: |
501 | default: |
433 | PUSHs (sv_2mortal (newSViv (req->result))); |
502 | PUSHs (sv_2mortal (newSViv (req->result))); |
434 | break; |
503 | break; |
435 | } |
504 | } |
436 | |
505 | |
… | |
… | |
471 | { |
540 | { |
472 | sv_unmagic (req->self, PERL_MAGIC_ext); |
541 | sv_unmagic (req->self, PERL_MAGIC_ext); |
473 | SvREFCNT_dec (req->self); |
542 | SvREFCNT_dec (req->self); |
474 | } |
543 | } |
475 | |
544 | |
476 | SvREFCNT_dec (req->data); |
|
|
477 | SvREFCNT_dec (req->fh); |
545 | SvREFCNT_dec (req->fh); |
|
|
546 | SvREFCNT_dec (req->sv1); |
478 | SvREFCNT_dec (req->fh2); |
547 | SvREFCNT_dec (req->sv2); |
479 | SvREFCNT_dec (req->callback); |
548 | SvREFCNT_dec (req->callback); |
480 | Safefree (req->statdata); |
|
|
481 | |
549 | |
482 | if (req->type == REQ_READDIR) |
550 | if (req->flags & FLAG_PTR2_FREE) |
483 | free (req->data2ptr); |
551 | free (req->ptr2); |
484 | |
552 | |
485 | Safefree (req); |
553 | Safefree (req); |
486 | } |
554 | } |
487 | |
555 | |
488 | static void req_cancel_subs (aio_req grp) |
556 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
490 | aio_req sub; |
558 | aio_req sub; |
491 | |
559 | |
492 | if (grp->type != REQ_GROUP) |
560 | if (grp->type != REQ_GROUP) |
493 | return; |
561 | return; |
494 | |
562 | |
495 | SvREFCNT_dec (grp->fh2); |
563 | SvREFCNT_dec (grp->sv2); |
496 | grp->fh2 = 0; |
564 | grp->sv2 = 0; |
497 | |
565 | |
498 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
566 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
499 | req_cancel (sub); |
567 | req_cancel (sub); |
500 | } |
568 | } |
501 | |
569 | |
502 | static void req_cancel (aio_req req) |
570 | static void req_cancel (aio_req req) |
503 | { |
571 | { |
504 | req->flags |= FLAG_CANCELLED; |
572 | req->flags |= FLAG_CANCELLED; |
505 | |
573 | |
506 | req_cancel_subs (req); |
574 | req_cancel_subs (req); |
507 | } |
|
|
508 | |
|
|
509 | static int poll_cb (int max) |
|
|
510 | { |
|
|
511 | dSP; |
|
|
512 | int count = 0; |
|
|
513 | int do_croak = 0; |
|
|
514 | aio_req req; |
|
|
515 | |
|
|
516 | for (;;) |
|
|
517 | { |
|
|
518 | while (max <= 0 || count < max) |
|
|
519 | { |
|
|
520 | LOCK (reslock); |
|
|
521 | req = reqq_shift (&res_queue); |
|
|
522 | |
|
|
523 | if (req) |
|
|
524 | { |
|
|
525 | --npending; |
|
|
526 | |
|
|
527 | if (!res_queue.size) |
|
|
528 | { |
|
|
529 | /* read any signals sent by the worker threads */ |
|
|
530 | char buf [32]; |
|
|
531 | while (read (respipe [0], buf, 32) == 32) |
|
|
532 | ; |
|
|
533 | } |
|
|
534 | } |
|
|
535 | |
|
|
536 | UNLOCK (reslock); |
|
|
537 | |
|
|
538 | if (!req) |
|
|
539 | break; |
|
|
540 | |
|
|
541 | --nreqs; |
|
|
542 | |
|
|
543 | if (req->type == REQ_QUIT) |
|
|
544 | --started; |
|
|
545 | else if (req->type == REQ_GROUP && req->length) |
|
|
546 | { |
|
|
547 | req->fd = 1; /* mark request as delayed */ |
|
|
548 | continue; |
|
|
549 | } |
|
|
550 | else |
|
|
551 | { |
|
|
552 | if (req->type == REQ_READ) |
|
|
553 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
554 | |
|
|
555 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
556 | SvREADONLY_off (req->data); |
|
|
557 | |
|
|
558 | if (req->statdata) |
|
|
559 | { |
|
|
560 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
561 | PL_laststatval = req->result; |
|
|
562 | PL_statcache = *(req->statdata); |
|
|
563 | } |
|
|
564 | |
|
|
565 | req_invoke (req); |
|
|
566 | |
|
|
567 | count++; |
|
|
568 | } |
|
|
569 | |
|
|
570 | req_free (req); |
|
|
571 | } |
|
|
572 | |
|
|
573 | if (nreqs <= max_outstanding) |
|
|
574 | break; |
|
|
575 | |
|
|
576 | poll_wait (); |
|
|
577 | |
|
|
578 | max = 0; |
|
|
579 | } |
|
|
580 | |
|
|
581 | return count; |
|
|
582 | } |
575 | } |
583 | |
576 | |
584 | static void *aio_proc(void *arg); |
577 | static void *aio_proc(void *arg); |
585 | |
578 | |
586 | static void start_thread (void) |
579 | static void start_thread (void) |
… | |
… | |
594 | croak ("unable to allocate worker thread data"); |
587 | croak ("unable to allocate worker thread data"); |
595 | |
588 | |
596 | pthread_attr_init (&attr); |
589 | pthread_attr_init (&attr); |
597 | pthread_attr_setstacksize (&attr, STACKSIZE); |
590 | pthread_attr_setstacksize (&attr, STACKSIZE); |
598 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
591 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
592 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
593 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
594 | #endif |
599 | |
595 | |
600 | sigfillset (&fullsigset); |
596 | sigfillset (&fullsigset); |
601 | |
597 | |
602 | LOCK (wrklock); |
598 | LOCK (wrklock); |
603 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
599 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
… | |
… | |
615 | |
611 | |
616 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
612 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
617 | UNLOCK (wrklock); |
613 | UNLOCK (wrklock); |
618 | } |
614 | } |
619 | |
615 | |
|
|
616 | static void maybe_start_thread () |
|
|
617 | { |
|
|
618 | if (get_nthreads () >= wanted) |
|
|
619 | return; |
|
|
620 | |
|
|
621 | /* todo: maybe use idle here, but might be less exact */ |
|
|
622 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
623 | return; |
|
|
624 | |
|
|
625 | start_thread (); |
|
|
626 | } |
|
|
627 | |
620 | static void req_send (aio_req req) |
628 | static void req_send (aio_req req) |
621 | { |
629 | { |
622 | while (started < wanted && nreqs >= started) |
|
|
623 | start_thread (); |
|
|
624 | |
|
|
625 | ++nreqs; |
630 | ++nreqs; |
626 | |
631 | |
627 | LOCK (reqlock); |
632 | LOCK (reqlock); |
628 | ++nready; |
633 | ++nready; |
629 | reqq_push (&req_queue, req); |
634 | reqq_push (&req_queue, req); |
630 | pthread_cond_signal (&reqwait); |
635 | pthread_cond_signal (&reqwait); |
631 | UNLOCK (reqlock); |
636 | UNLOCK (reqlock); |
|
|
637 | |
|
|
638 | maybe_start_thread (); |
632 | } |
639 | } |
633 | |
640 | |
634 | static void end_thread (void) |
641 | static void end_thread (void) |
635 | { |
642 | { |
636 | aio_req req; |
643 | aio_req req; |
… | |
… | |
638 | Newz (0, req, 1, aio_cb); |
645 | Newz (0, req, 1, aio_cb); |
639 | |
646 | |
640 | req->type = REQ_QUIT; |
647 | req->type = REQ_QUIT; |
641 | req->pri = PRI_MAX + PRI_BIAS; |
648 | req->pri = PRI_MAX + PRI_BIAS; |
642 | |
649 | |
643 | req_send (req); |
650 | LOCK (reqlock); |
|
|
651 | reqq_push (&req_queue, req); |
|
|
652 | pthread_cond_signal (&reqwait); |
|
|
653 | UNLOCK (reqlock); |
|
|
654 | |
|
|
655 | LOCK (wrklock); |
|
|
656 | --started; |
|
|
657 | UNLOCK (wrklock); |
|
|
658 | } |
|
|
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); |
644 | } |
665 | } |
645 | |
666 | |
646 | static void min_parallel (int nthreads) |
667 | static void min_parallel (int nthreads) |
647 | { |
668 | { |
648 | if (wanted < nthreads) |
669 | if (wanted < nthreads) |
649 | wanted = nthreads; |
670 | wanted = nthreads; |
650 | } |
671 | } |
651 | |
672 | |
652 | static void max_parallel (int nthreads) |
673 | static void max_parallel (int nthreads) |
653 | { |
674 | { |
654 | int cur = started; |
|
|
655 | |
|
|
656 | if (wanted > nthreads) |
675 | if (wanted > nthreads) |
657 | wanted = nthreads; |
676 | wanted = nthreads; |
658 | |
677 | |
659 | while (cur > wanted) |
678 | while (started > wanted) |
|
|
679 | end_thread (); |
|
|
680 | } |
|
|
681 | |
|
|
682 | static void poll_wait () |
|
|
683 | { |
|
|
684 | fd_set rfd; |
|
|
685 | |
|
|
686 | while (nreqs) |
660 | { |
687 | { |
|
|
688 | int size; |
|
|
689 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
690 | size = res_queue.size; |
|
|
691 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
692 | |
|
|
693 | if (size) |
|
|
694 | return; |
|
|
695 | |
661 | end_thread (); |
696 | maybe_start_thread (); |
662 | cur--; |
697 | |
|
|
698 | FD_ZERO(&rfd); |
|
|
699 | FD_SET(respipe [0], &rfd); |
|
|
700 | |
|
|
701 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
663 | } |
702 | } |
|
|
703 | } |
664 | |
704 | |
665 | while (started > wanted) |
705 | static int poll_cb () |
|
|
706 | { |
|
|
707 | dSP; |
|
|
708 | int count = 0; |
|
|
709 | int maxreqs = max_poll_reqs; |
|
|
710 | int do_croak = 0; |
|
|
711 | struct timeval tv_start, tv_now; |
|
|
712 | aio_req req; |
|
|
713 | |
|
|
714 | if (max_poll_time) |
|
|
715 | gettimeofday (&tv_start, 0); |
|
|
716 | |
|
|
717 | for (;;) |
666 | { |
718 | { |
|
|
719 | for (;;) |
|
|
720 | { |
|
|
721 | maybe_start_thread (); |
|
|
722 | |
|
|
723 | LOCK (reslock); |
|
|
724 | req = reqq_shift (&res_queue); |
|
|
725 | |
|
|
726 | if (req) |
|
|
727 | { |
|
|
728 | --npending; |
|
|
729 | |
|
|
730 | if (!res_queue.size) |
|
|
731 | { |
|
|
732 | /* read any signals sent by the worker threads */ |
|
|
733 | char buf [32]; |
|
|
734 | while (read (respipe [0], buf, 32) == 32) |
|
|
735 | ; |
|
|
736 | } |
|
|
737 | } |
|
|
738 | |
|
|
739 | UNLOCK (reslock); |
|
|
740 | |
|
|
741 | if (!req) |
|
|
742 | break; |
|
|
743 | |
|
|
744 | --nreqs; |
|
|
745 | |
|
|
746 | if (req->type == REQ_GROUP && req->size) |
|
|
747 | { |
|
|
748 | req->int1 = 1; /* mark request as delayed */ |
|
|
749 | continue; |
|
|
750 | } |
|
|
751 | else |
|
|
752 | { |
|
|
753 | req_invoke (req); |
|
|
754 | |
|
|
755 | count++; |
|
|
756 | } |
|
|
757 | |
|
|
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 | } |
|
|
770 | } |
|
|
771 | |
|
|
772 | if (nreqs <= max_outstanding) |
|
|
773 | break; |
|
|
774 | |
667 | poll_wait (); |
775 | poll_wait (); |
668 | poll_cb (0); |
776 | |
|
|
777 | ++maxreqs; |
669 | } |
778 | } |
|
|
779 | |
|
|
780 | return count; |
670 | } |
781 | } |
671 | |
782 | |
672 | static void create_pipe () |
783 | static void create_pipe () |
673 | { |
784 | { |
674 | if (pipe (respipe)) |
785 | if (pipe (respipe)) |
… | |
… | |
889 | int memofs = 0; |
1000 | int memofs = 0; |
890 | int res = 0; |
1001 | int res = 0; |
891 | int errorno; |
1002 | int errorno; |
892 | |
1003 | |
893 | LOCK (wrklock); |
1004 | LOCK (wrklock); |
894 | self->dirp = dirp = opendir (req->dataptr); |
1005 | self->dirp = dirp = opendir (req->ptr1); |
895 | self->dbuf = u = malloc (sizeof (*u)); |
1006 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1007 | req->flags |= FLAG_PTR2_FREE; |
896 | req->data2ptr = names = malloc (memlen); |
1008 | req->ptr2 = names = malloc (memlen); |
897 | UNLOCK (wrklock); |
1009 | UNLOCK (wrklock); |
898 | |
1010 | |
899 | if (dirp && u && names) |
1011 | if (dirp && u && names) |
900 | for (;;) |
1012 | for (;;) |
901 | { |
1013 | { |
… | |
… | |
915 | |
1027 | |
916 | while (memofs + len > memlen) |
1028 | while (memofs + len > memlen) |
917 | { |
1029 | { |
918 | memlen *= 2; |
1030 | memlen *= 2; |
919 | LOCK (wrklock); |
1031 | LOCK (wrklock); |
920 | req->data2ptr = names = realloc (names, memlen); |
1032 | req->ptr2 = names = realloc (names, memlen); |
921 | UNLOCK (wrklock); |
1033 | UNLOCK (wrklock); |
922 | |
1034 | |
923 | if (!names) |
1035 | if (!names) |
924 | break; |
1036 | break; |
925 | } |
1037 | } |
… | |
… | |
938 | /*****************************************************************************/ |
1050 | /*****************************************************************************/ |
939 | |
1051 | |
940 | static void *aio_proc (void *thr_arg) |
1052 | static void *aio_proc (void *thr_arg) |
941 | { |
1053 | { |
942 | aio_req req; |
1054 | aio_req req; |
943 | int type; |
1055 | struct timespec ts; |
944 | worker *self = (worker *)thr_arg; |
1056 | worker *self = (worker *)thr_arg; |
945 | |
1057 | |
946 | do |
1058 | /* try to distribute timeouts somewhat evenly */ |
|
|
1059 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1060 | * (1000000000UL / 1024UL); |
|
|
1061 | |
|
|
1062 | for (;;) |
947 | { |
1063 | { |
|
|
1064 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1065 | |
948 | LOCK (reqlock); |
1066 | LOCK (reqlock); |
949 | |
1067 | |
950 | for (;;) |
1068 | for (;;) |
951 | { |
1069 | { |
952 | self->req = req = reqq_shift (&req_queue); |
1070 | self->req = req = reqq_shift (&req_queue); |
953 | |
1071 | |
954 | if (req) |
1072 | if (req) |
955 | break; |
1073 | break; |
956 | |
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 */ |
957 | pthread_cond_wait (&reqwait, &reqlock); |
1091 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1092 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1093 | } |
|
|
1094 | |
|
|
1095 | --idle; |
958 | } |
1096 | } |
959 | |
1097 | |
960 | --nready; |
1098 | --nready; |
961 | |
1099 | |
962 | UNLOCK (reqlock); |
1100 | UNLOCK (reqlock); |
963 | |
1101 | |
964 | errno = 0; /* strictly unnecessary */ |
1102 | errno = 0; /* strictly unnecessary */ |
965 | type = req->type; /* remember type for QUIT check */ |
|
|
966 | |
1103 | |
967 | if (!(req->flags & FLAG_CANCELLED)) |
1104 | if (!(req->flags & FLAG_CANCELLED)) |
968 | switch (type) |
1105 | switch (req->type) |
969 | { |
1106 | { |
970 | 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; |
971 | 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; |
972 | |
1109 | |
973 | 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; |
974 | 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; |
975 | |
1112 | |
976 | 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; |
977 | 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; |
978 | 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; |
979 | |
1116 | |
980 | 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; |
981 | case REQ_CLOSE: req->result = close (req->fd); break; |
1118 | case REQ_CLOSE: req->result = close (req->int1); break; |
982 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1119 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
983 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1120 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
984 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1121 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
985 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1122 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
986 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1123 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); 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; |
987 | |
1126 | |
988 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1127 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
989 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1128 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
990 | case REQ_READDIR: scandir_ (req, self); break; |
1129 | case REQ_READDIR: scandir_ (req, self); break; |
991 | |
1130 | |
992 | case REQ_BUSY: |
1131 | case REQ_BUSY: |
993 | { |
1132 | { |
994 | struct timeval tv; |
1133 | struct timeval tv; |
995 | |
1134 | |
996 | tv.tv_sec = req->fd; |
1135 | tv.tv_sec = req->int1; |
997 | tv.tv_usec = req->fd2; |
1136 | tv.tv_usec = req->int2; |
998 | |
1137 | |
999 | req->result = select (0, 0, 0, 0, &tv); |
1138 | req->result = select (0, 0, 0, 0, &tv); |
1000 | } |
1139 | } |
1001 | |
1140 | |
1002 | case REQ_GROUP: |
1141 | case REQ_GROUP: |
1003 | case REQ_NOP: |
1142 | case REQ_NOP: |
|
|
1143 | break; |
|
|
1144 | |
1004 | case REQ_QUIT: |
1145 | case REQ_QUIT: |
1005 | break; |
1146 | goto quit; |
1006 | |
1147 | |
1007 | default: |
1148 | default: |
1008 | req->result = ENOSYS; |
1149 | req->result = ENOSYS; |
1009 | break; |
1150 | break; |
1010 | } |
1151 | } |
… | |
… | |
1022 | self->req = 0; |
1163 | self->req = 0; |
1023 | worker_clear (self); |
1164 | worker_clear (self); |
1024 | |
1165 | |
1025 | UNLOCK (reslock); |
1166 | UNLOCK (reslock); |
1026 | } |
1167 | } |
1027 | while (type != REQ_QUIT); |
|
|
1028 | |
1168 | |
|
|
1169 | quit: |
1029 | LOCK (wrklock); |
1170 | LOCK (wrklock); |
1030 | worker_free (self); |
1171 | worker_free (self); |
1031 | UNLOCK (wrklock); |
1172 | UNLOCK (wrklock); |
1032 | |
1173 | |
1033 | return 0; |
1174 | return 0; |
… | |
… | |
1080 | |
1221 | |
1081 | worker_clear (wrk); |
1222 | worker_clear (wrk); |
1082 | worker_free (wrk); |
1223 | worker_free (wrk); |
1083 | } |
1224 | } |
1084 | |
1225 | |
1085 | started = 0; |
1226 | started = 0; |
|
|
1227 | idle = 0; |
1086 | nreqs = 0; |
1228 | nreqs = 0; |
|
|
1229 | nready = 0; |
|
|
1230 | npending = 0; |
1087 | |
1231 | |
1088 | close (respipe [0]); |
1232 | close (respipe [0]); |
1089 | close (respipe [1]); |
1233 | close (respipe [1]); |
1090 | create_pipe (); |
1234 | create_pipe (); |
1091 | |
1235 | |
… | |
… | |
1118 | PROTOTYPES: ENABLE |
1262 | PROTOTYPES: ENABLE |
1119 | |
1263 | |
1120 | BOOT: |
1264 | BOOT: |
1121 | { |
1265 | { |
1122 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1266 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1267 | |
1123 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1268 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1124 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1269 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1125 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1270 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1271 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1272 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1273 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1126 | |
1274 | |
1127 | create_pipe (); |
1275 | create_pipe (); |
1128 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1276 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1129 | } |
1277 | } |
1130 | |
1278 | |
1131 | void |
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; |
|
|
1290 | |
|
|
1291 | void |
1132 | min_parallel (int nthreads) |
1292 | min_parallel (int nthreads) |
1133 | PROTOTYPE: $ |
1293 | PROTOTYPE: $ |
1134 | |
1294 | |
1135 | void |
1295 | void |
1136 | max_parallel (int nthreads) |
1296 | max_parallel (int nthreads) |
1137 | PROTOTYPE: $ |
1297 | PROTOTYPE: $ |
|
|
1298 | |
|
|
1299 | void |
|
|
1300 | max_idle (int nthreads) |
|
|
1301 | PROTOTYPE: $ |
|
|
1302 | CODE: |
|
|
1303 | set_max_idle (nthreads); |
1138 | |
1304 | |
1139 | int |
1305 | int |
1140 | max_outstanding (int maxreqs) |
1306 | max_outstanding (int maxreqs) |
1141 | PROTOTYPE: $ |
1307 | PROTOTYPE: $ |
1142 | CODE: |
1308 | CODE: |
… | |
… | |
1145 | OUTPUT: |
1311 | OUTPUT: |
1146 | RETVAL |
1312 | RETVAL |
1147 | |
1313 | |
1148 | void |
1314 | void |
1149 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1315 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1150 | SV * pathname |
1316 | SV8 * pathname |
1151 | int flags |
1317 | int flags |
1152 | int mode |
1318 | int mode |
1153 | SV * callback |
1319 | SV * callback |
1154 | PROTOTYPE: $$$;$ |
1320 | PROTOTYPE: $$$;$ |
1155 | PPCODE: |
1321 | PPCODE: |
1156 | { |
1322 | { |
1157 | dREQ; |
1323 | dREQ; |
1158 | |
1324 | |
1159 | req->type = REQ_OPEN; |
1325 | req->type = REQ_OPEN; |
1160 | req->data = newSVsv (pathname); |
1326 | req->sv1 = newSVsv (pathname); |
1161 | req->dataptr = SvPVbyte_nolen (req->data); |
1327 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1162 | req->fd = flags; |
1328 | req->int1 = flags; |
1163 | req->mode = mode; |
1329 | req->mode = mode; |
1164 | |
1330 | |
1165 | REQ_SEND; |
1331 | REQ_SEND; |
1166 | } |
1332 | } |
1167 | |
1333 | |
… | |
… | |
1177 | PPCODE: |
1343 | PPCODE: |
1178 | { |
1344 | { |
1179 | dREQ; |
1345 | dREQ; |
1180 | |
1346 | |
1181 | req->type = ix; |
1347 | req->type = ix; |
1182 | req->fh = newSVsv (fh); |
1348 | req->fh = newSVsv (fh); |
1183 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1349 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1184 | |
1350 | |
1185 | REQ_SEND (req); |
1351 | REQ_SEND (req); |
1186 | } |
1352 | } |
1187 | |
1353 | |
1188 | void |
1354 | void |
1189 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1355 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1190 | SV * fh |
1356 | SV * fh |
1191 | UV offset |
1357 | UV offset |
1192 | UV length |
1358 | UV length |
1193 | SV * data |
1359 | SV8 * data |
1194 | UV dataoffset |
1360 | UV dataoffset |
1195 | SV * callback |
1361 | SV * callback |
1196 | ALIAS: |
1362 | ALIAS: |
1197 | aio_read = REQ_READ |
1363 | aio_read = REQ_READ |
1198 | aio_write = REQ_WRITE |
1364 | aio_write = REQ_WRITE |
1199 | PROTOTYPE: $$$$$;$ |
1365 | PROTOTYPE: $$$$$;$ |
1200 | PPCODE: |
1366 | PPCODE: |
1201 | { |
1367 | { |
1202 | aio_req req; |
|
|
1203 | STRLEN svlen; |
1368 | STRLEN svlen; |
1204 | char *svptr = SvPVbyte (data, svlen); |
1369 | char *svptr = SvPVbyte (data, svlen); |
1205 | |
1370 | |
1206 | SvUPGRADE (data, SVt_PV); |
1371 | SvUPGRADE (data, SVt_PV); |
1207 | SvPOK_on (data); |
1372 | SvPOK_on (data); |
… | |
… | |
1229 | |
1394 | |
1230 | { |
1395 | { |
1231 | dREQ; |
1396 | dREQ; |
1232 | |
1397 | |
1233 | req->type = ix; |
1398 | req->type = ix; |
1234 | req->fh = newSVsv (fh); |
1399 | req->fh = newSVsv (fh); |
1235 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1400 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1236 | : IoOFP (sv_2io (fh))); |
1401 | : IoOFP (sv_2io (fh))); |
1237 | req->offset = offset; |
1402 | req->offs = offset; |
1238 | req->length = length; |
1403 | req->size = length; |
1239 | req->data = SvREFCNT_inc (data); |
1404 | req->sv1 = SvREFCNT_inc (data); |
1240 | req->dataptr = (char *)svptr + dataoffset; |
1405 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1406 | req->stroffset = dataoffset; |
1241 | |
1407 | |
1242 | if (!SvREADONLY (data)) |
1408 | if (!SvREADONLY (data)) |
1243 | { |
1409 | { |
1244 | SvREADONLY_on (data); |
1410 | SvREADONLY_on (data); |
1245 | req->data2ptr = (void *)data; |
1411 | req->flags |= FLAG_SV1_RO_OFF; |
1246 | } |
1412 | } |
1247 | |
1413 | |
1248 | REQ_SEND; |
1414 | REQ_SEND; |
1249 | } |
1415 | } |
|
|
1416 | } |
|
|
1417 | |
|
|
1418 | void |
|
|
1419 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1420 | SV8 * path |
|
|
1421 | SV * callback |
|
|
1422 | PROTOTYPE: $$;$ |
|
|
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; |
1250 | } |
1438 | } |
1251 | |
1439 | |
1252 | void |
1440 | void |
1253 | 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) |
1254 | SV * out_fh |
1442 | SV * out_fh |
… | |
… | |
1260 | PPCODE: |
1448 | PPCODE: |
1261 | { |
1449 | { |
1262 | dREQ; |
1450 | dREQ; |
1263 | |
1451 | |
1264 | req->type = REQ_SENDFILE; |
1452 | req->type = REQ_SENDFILE; |
1265 | req->fh = newSVsv (out_fh); |
1453 | req->fh = newSVsv (out_fh); |
1266 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1454 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1267 | req->fh2 = newSVsv (in_fh); |
1455 | req->sv2 = newSVsv (in_fh); |
1268 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1456 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1269 | req->offset = in_offset; |
1457 | req->offs = in_offset; |
1270 | req->length = length; |
1458 | req->size = length; |
1271 | |
1459 | |
1272 | REQ_SEND; |
1460 | REQ_SEND; |
1273 | } |
1461 | } |
1274 | |
1462 | |
1275 | void |
1463 | void |
… | |
… | |
1282 | PPCODE: |
1470 | PPCODE: |
1283 | { |
1471 | { |
1284 | dREQ; |
1472 | dREQ; |
1285 | |
1473 | |
1286 | req->type = REQ_READAHEAD; |
1474 | req->type = REQ_READAHEAD; |
1287 | req->fh = newSVsv (fh); |
1475 | req->fh = newSVsv (fh); |
1288 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1476 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1289 | req->offset = offset; |
1477 | req->offs = offset; |
1290 | req->length = length; |
1478 | req->size = length; |
1291 | |
1479 | |
1292 | REQ_SEND; |
1480 | REQ_SEND; |
1293 | } |
1481 | } |
1294 | |
1482 | |
1295 | void |
1483 | void |
1296 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1484 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1297 | SV * fh_or_path |
1485 | SV8 * fh_or_path |
1298 | SV * callback |
1486 | SV * callback |
1299 | ALIAS: |
1487 | ALIAS: |
1300 | aio_stat = REQ_STAT |
1488 | aio_stat = REQ_STAT |
1301 | aio_lstat = REQ_LSTAT |
1489 | aio_lstat = REQ_LSTAT |
1302 | PPCODE: |
1490 | PPCODE: |
1303 | { |
1491 | { |
1304 | dREQ; |
1492 | dREQ; |
1305 | |
1493 | |
1306 | New (0, req->statdata, 1, Stat_t); |
1494 | req->ptr2 = malloc (sizeof (Stat_t)); |
1307 | if (!req->statdata) |
1495 | if (!req->ptr2) |
1308 | { |
1496 | { |
1309 | req_free (req); |
1497 | req_free (req); |
1310 | croak ("out of memory during aio_req->statdata allocation"); |
1498 | croak ("out of memory during aio_stat statdata allocation"); |
1311 | } |
1499 | } |
|
|
1500 | |
|
|
1501 | req->flags |= FLAG_PTR2_FREE; |
1312 | |
1502 | |
1313 | if (SvPOK (fh_or_path)) |
1503 | if (SvPOK (fh_or_path)) |
1314 | { |
1504 | { |
1315 | req->type = ix; |
1505 | req->type = ix; |
1316 | req->data = newSVsv (fh_or_path); |
1506 | req->sv1 = newSVsv (fh_or_path); |
1317 | req->dataptr = SvPVbyte_nolen (req->data); |
1507 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1318 | } |
1508 | } |
1319 | else |
1509 | else |
1320 | { |
1510 | { |
1321 | req->type = REQ_FSTAT; |
1511 | req->type = REQ_FSTAT; |
1322 | req->fh = newSVsv (fh_or_path); |
1512 | req->fh = newSVsv (fh_or_path); |
1323 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1513 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1324 | } |
1514 | } |
1325 | |
1515 | |
1326 | REQ_SEND; |
1516 | REQ_SEND; |
1327 | } |
1517 | } |
1328 | |
1518 | |
1329 | void |
1519 | void |
1330 | aio_unlink (pathname,callback=&PL_sv_undef) |
1520 | aio_unlink (pathname,callback=&PL_sv_undef) |
1331 | SV * pathname |
1521 | SV8 * pathname |
1332 | SV * callback |
1522 | SV * callback |
1333 | ALIAS: |
1523 | ALIAS: |
1334 | aio_unlink = REQ_UNLINK |
1524 | aio_unlink = REQ_UNLINK |
1335 | aio_rmdir = REQ_RMDIR |
1525 | aio_rmdir = REQ_RMDIR |
1336 | aio_readdir = REQ_READDIR |
1526 | aio_readdir = REQ_READDIR |
1337 | PPCODE: |
1527 | PPCODE: |
1338 | { |
1528 | { |
1339 | dREQ; |
1529 | dREQ; |
1340 | |
1530 | |
1341 | req->type = ix; |
1531 | req->type = ix; |
1342 | req->data = newSVsv (pathname); |
1532 | req->sv1 = newSVsv (pathname); |
1343 | req->dataptr = SvPVbyte_nolen (req->data); |
1533 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1344 | |
1534 | |
1345 | REQ_SEND; |
1535 | REQ_SEND; |
1346 | } |
1536 | } |
1347 | |
1537 | |
1348 | void |
1538 | void |
1349 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1539 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1350 | SV * oldpath |
1540 | SV8 * oldpath |
1351 | SV * newpath |
1541 | SV8 * newpath |
1352 | SV * callback |
1542 | SV * callback |
1353 | ALIAS: |
1543 | ALIAS: |
1354 | aio_link = REQ_LINK |
1544 | aio_link = REQ_LINK |
1355 | aio_symlink = REQ_SYMLINK |
1545 | aio_symlink = REQ_SYMLINK |
1356 | aio_rename = REQ_RENAME |
1546 | aio_rename = REQ_RENAME |
1357 | PPCODE: |
1547 | PPCODE: |
1358 | { |
1548 | { |
1359 | dREQ; |
1549 | dREQ; |
1360 | |
1550 | |
1361 | req->type = ix; |
1551 | req->type = ix; |
1362 | req->fh = newSVsv (oldpath); |
1552 | req->fh = newSVsv (oldpath); |
1363 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1553 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1364 | req->data = newSVsv (newpath); |
1554 | req->sv1 = newSVsv (newpath); |
1365 | req->dataptr = SvPVbyte_nolen (req->data); |
1555 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1366 | |
1556 | |
1367 | REQ_SEND; |
1557 | REQ_SEND; |
1368 | } |
1558 | } |
1369 | |
1559 | |
1370 | void |
1560 | void |
|
|
1561 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
|
|
1562 | SV8 * pathname |
|
|
1563 | SV * callback |
|
|
1564 | UV mode |
|
|
1565 | UV dev |
|
|
1566 | PPCODE: |
|
|
1567 | { |
|
|
1568 | dREQ; |
|
|
1569 | |
|
|
1570 | req->type = REQ_MKNOD; |
|
|
1571 | req->sv1 = newSVsv (pathname); |
|
|
1572 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1573 | req->mode = (mode_t)mode; |
|
|
1574 | req->offs = dev; |
|
|
1575 | |
|
|
1576 | REQ_SEND; |
|
|
1577 | } |
|
|
1578 | |
|
|
1579 | void |
1371 | aio_busy (delay,callback=&PL_sv_undef) |
1580 | aio_busy (delay,callback=&PL_sv_undef) |
1372 | double delay |
1581 | double delay |
1373 | SV * callback |
1582 | SV * callback |
1374 | PPCODE: |
1583 | PPCODE: |
1375 | { |
1584 | { |
1376 | dREQ; |
1585 | dREQ; |
1377 | |
1586 | |
1378 | req->type = REQ_BUSY; |
1587 | req->type = REQ_BUSY; |
1379 | req->fd = delay < 0. ? 0 : delay; |
1588 | req->int1 = delay < 0. ? 0 : delay; |
1380 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1589 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1381 | |
1590 | |
1382 | REQ_SEND; |
1591 | REQ_SEND; |
1383 | } |
1592 | } |
1384 | |
1593 | |
1385 | void |
1594 | void |
… | |
… | |
1389 | PPCODE: |
1598 | PPCODE: |
1390 | { |
1599 | { |
1391 | dREQ; |
1600 | dREQ; |
1392 | |
1601 | |
1393 | req->type = REQ_GROUP; |
1602 | req->type = REQ_GROUP; |
|
|
1603 | |
1394 | req_send (req); |
1604 | req_send (req); |
1395 | |
|
|
1396 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1605 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1397 | } |
1606 | } |
1398 | |
1607 | |
1399 | void |
1608 | void |
1400 | aio_nop (callback=&PL_sv_undef) |
1609 | aio_nop (callback=&PL_sv_undef) |
1401 | SV * callback |
1610 | SV * callback |
1402 | PPCODE: |
1611 | PPCODE: |
1403 | { |
1612 | { |
1404 | dREQ; |
1613 | dREQ; |
1405 | |
1614 | |
1406 | req->type = REQ_NOP; |
1615 | req->type = REQ_NOP; |
… | |
… | |
1435 | PROTOTYPE: |
1644 | PROTOTYPE: |
1436 | CODE: |
1645 | CODE: |
1437 | while (nreqs) |
1646 | while (nreqs) |
1438 | { |
1647 | { |
1439 | poll_wait (); |
1648 | poll_wait (); |
1440 | poll_cb (0); |
1649 | poll_cb (); |
1441 | } |
1650 | } |
1442 | |
1651 | |
1443 | void |
1652 | int |
1444 | poll() |
1653 | poll() |
1445 | PROTOTYPE: |
1654 | PROTOTYPE: |
1446 | CODE: |
1655 | CODE: |
1447 | if (nreqs) |
1656 | if (nreqs) |
1448 | { |
1657 | { |
1449 | poll_wait (); |
1658 | poll_wait (); |
1450 | poll_cb (0); |
1659 | RETVAL = poll_cb (); |
1451 | } |
1660 | } |
|
|
1661 | else |
|
|
1662 | RETVAL = 0; |
|
|
1663 | OUTPUT: |
|
|
1664 | RETVAL |
1452 | |
1665 | |
1453 | int |
1666 | int |
1454 | poll_fileno() |
1667 | poll_fileno() |
1455 | PROTOTYPE: |
1668 | PROTOTYPE: |
1456 | CODE: |
1669 | CODE: |
… | |
… | |
1460 | |
1673 | |
1461 | int |
1674 | int |
1462 | poll_cb(...) |
1675 | poll_cb(...) |
1463 | PROTOTYPE: |
1676 | PROTOTYPE: |
1464 | CODE: |
1677 | CODE: |
1465 | RETVAL = poll_cb (0); |
1678 | RETVAL = poll_cb (); |
1466 | OUTPUT: |
|
|
1467 | RETVAL |
|
|
1468 | |
|
|
1469 | int |
|
|
1470 | poll_some(int max = 0) |
|
|
1471 | PROTOTYPE: $ |
|
|
1472 | CODE: |
|
|
1473 | RETVAL = poll_cb (max); |
|
|
1474 | OUTPUT: |
1679 | OUTPUT: |
1475 | RETVAL |
1680 | RETVAL |
1476 | |
1681 | |
1477 | void |
1682 | void |
1478 | poll_wait() |
1683 | poll_wait() |
… | |
… | |
1491 | |
1696 | |
1492 | int |
1697 | int |
1493 | nready() |
1698 | nready() |
1494 | PROTOTYPE: |
1699 | PROTOTYPE: |
1495 | CODE: |
1700 | CODE: |
1496 | if (WORDREAD_UNSAFE) LOCK (reqlock); |
|
|
1497 | RETVAL = nready; |
1701 | RETVAL = get_nready (); |
1498 | if (WORDREAD_UNSAFE) UNLOCK (reqlock); |
|
|
1499 | OUTPUT: |
1702 | OUTPUT: |
1500 | RETVAL |
1703 | RETVAL |
1501 | |
1704 | |
1502 | int |
1705 | int |
1503 | npending() |
1706 | npending() |
1504 | PROTOTYPE: |
1707 | PROTOTYPE: |
1505 | CODE: |
1708 | CODE: |
1506 | if (WORDREAD_UNSAFE) LOCK (reslock); |
|
|
1507 | RETVAL = npending; |
1709 | RETVAL = get_npending (); |
|
|
1710 | OUTPUT: |
|
|
1711 | RETVAL |
|
|
1712 | |
|
|
1713 | int |
|
|
1714 | nthreads() |
|
|
1715 | PROTOTYPE: |
|
|
1716 | CODE: |
|
|
1717 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1718 | RETVAL = started; |
1508 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
1719 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
1509 | OUTPUT: |
1720 | OUTPUT: |
1510 | RETVAL |
1721 | RETVAL |
1511 | |
1722 | |
1512 | PROTOTYPES: DISABLE |
1723 | PROTOTYPES: DISABLE |
1513 | |
1724 | |
… | |
… | |
1531 | PPCODE: |
1742 | PPCODE: |
1532 | { |
1743 | { |
1533 | int i; |
1744 | int i; |
1534 | aio_req req; |
1745 | aio_req req; |
1535 | |
1746 | |
1536 | if (grp->fd == 2) |
1747 | if (grp->int1 == 2) |
1537 | 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"); |
1538 | |
1749 | |
1539 | for (i = 1; i < items; ++i ) |
1750 | for (i = 1; i < items; ++i ) |
1540 | { |
1751 | { |
1541 | if (GIMME_V != G_VOID) |
1752 | if (GIMME_V != G_VOID) |
… | |
… | |
1543 | |
1754 | |
1544 | req = SvAIO_REQ (ST (i)); |
1755 | req = SvAIO_REQ (ST (i)); |
1545 | |
1756 | |
1546 | if (req) |
1757 | if (req) |
1547 | { |
1758 | { |
1548 | ++grp->length; |
1759 | ++grp->size; |
1549 | req->grp = grp; |
1760 | req->grp = grp; |
1550 | |
1761 | |
1551 | req->grp_prev = 0; |
1762 | req->grp_prev = 0; |
1552 | req->grp_next = grp->grp_first; |
1763 | req->grp_next = grp->grp_first; |
1553 | |
1764 | |
… | |
… | |
1576 | av = newAV (); |
1787 | av = newAV (); |
1577 | |
1788 | |
1578 | for (i = 1; i < items; ++i ) |
1789 | for (i = 1; i < items; ++i ) |
1579 | av_push (av, newSVsv (ST (i))); |
1790 | av_push (av, newSVsv (ST (i))); |
1580 | |
1791 | |
1581 | SvREFCNT_dec (grp->data); |
1792 | SvREFCNT_dec (grp->sv1); |
1582 | grp->data = (SV *)av; |
1793 | grp->sv1 = (SV *)av; |
1583 | } |
1794 | } |
1584 | |
1795 | |
1585 | void |
1796 | void |
1586 | errno (aio_req grp, int errorno = errno) |
1797 | errno (aio_req grp, int errorno = errno) |
1587 | CODE: |
1798 | CODE: |
1588 | grp->errorno = errorno; |
1799 | grp->errorno = errorno; |
1589 | |
1800 | |
1590 | void |
1801 | void |
1591 | limit (aio_req grp, int limit) |
1802 | limit (aio_req grp, int limit) |
1592 | CODE: |
1803 | CODE: |
1593 | grp->fd2 = limit; |
1804 | grp->int2 = limit; |
1594 | aio_grp_feed (grp); |
1805 | aio_grp_feed (grp); |
1595 | |
1806 | |
1596 | void |
1807 | void |
1597 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1808 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1598 | CODE: |
1809 | CODE: |
1599 | { |
1810 | { |
1600 | SvREFCNT_dec (grp->fh2); |
1811 | SvREFCNT_dec (grp->sv2); |
1601 | grp->fh2 = newSVsv (callback); |
1812 | grp->sv2 = newSVsv (callback); |
1602 | |
1813 | |
1603 | if (grp->fd2 <= 0) |
1814 | if (grp->int2 <= 0) |
1604 | grp->fd2 = 2; |
1815 | grp->int2 = 2; |
1605 | |
1816 | |
1606 | aio_grp_feed (grp); |
1817 | aio_grp_feed (grp); |
1607 | } |
1818 | } |
1608 | |
1819 | |