… | |
… | |
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 | |
… | |
… | |
59 | # define STACKSIZE 65536 |
62 | # define STACKSIZE 65536 |
60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
61 | # define STACKSIZE PTHREAD_STACK_MIN |
64 | # define STACKSIZE PTHREAD_STACK_MIN |
62 | #else |
65 | #else |
63 | # define STACKSIZE 16384 |
66 | # define STACKSIZE 16384 |
|
|
67 | #endif |
|
|
68 | |
|
|
69 | /* wether word reads are potentially non-atomic. |
|
|
70 | * this is conservatice, likely most arches this runs |
|
|
71 | * on have atomic word read/writes. |
|
|
72 | */ |
|
|
73 | #ifndef WORDACCESS_UNSAFE |
|
|
74 | # if __i386 || __x86_64 |
|
|
75 | # define WORDACCESS_UNSAFE 0 |
|
|
76 | # else |
|
|
77 | # define WORDACCESS_UNSAFE 1 |
|
|
78 | # endif |
64 | #endif |
79 | #endif |
65 | |
80 | |
66 | /* buffer size for various temporary buffers */ |
81 | /* buffer size for various temporary buffers */ |
67 | #define AIO_BUFSIZE 65536 |
82 | #define AIO_BUFSIZE 65536 |
68 | |
83 | |
… | |
… | |
80 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
81 | REQ_SENDFILE, |
96 | REQ_SENDFILE, |
82 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
83 | REQ_FSYNC, REQ_FDATASYNC, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
84 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
85 | REQ_READDIR, |
100 | REQ_MKNOD, REQ_READDIR, |
86 | REQ_LINK, REQ_SYMLINK, |
101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
87 | REQ_GROUP, REQ_NOP, |
102 | REQ_GROUP, REQ_NOP, |
88 | REQ_BUSY, |
103 | REQ_BUSY, |
89 | }; |
104 | }; |
90 | |
105 | |
91 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
… | |
93 | |
108 | |
94 | typedef struct aio_cb |
109 | typedef struct aio_cb |
95 | { |
110 | { |
96 | struct aio_cb *volatile next; |
111 | struct aio_cb *volatile next; |
97 | |
112 | |
98 | SV *data, *callback; |
113 | SV *callback, *fh; |
99 | SV *fh, *fh2; |
114 | SV *sv1, *sv2; |
100 | void *dataptr, *data2ptr; |
115 | void *ptr1, *ptr2; |
101 | Stat_t *statdata; |
116 | Stat_t *statdata; |
102 | off_t offset; |
117 | off_t offs; |
103 | size_t length; |
118 | size_t size; |
104 | ssize_t result; |
119 | ssize_t result; |
105 | |
120 | |
106 | STRLEN dataoffset; |
121 | STRLEN stroffset; |
107 | int type; |
122 | int type; |
108 | int fd, fd2; |
123 | int int1, int2; |
109 | int errorno; |
124 | int errorno; |
110 | mode_t mode; /* open */ |
125 | mode_t mode; /* open */ |
111 | |
126 | |
112 | unsigned char flags; |
127 | unsigned char flags; |
113 | unsigned char pri; |
128 | unsigned char pri; |
… | |
… | |
115 | SV *self; /* the perl counterpart of this request, if any */ |
130 | SV *self; /* the perl counterpart of this request, if any */ |
116 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
117 | } aio_cb; |
132 | } aio_cb; |
118 | |
133 | |
119 | enum { |
134 | enum { |
120 | FLAG_CANCELLED = 0x01, |
135 | FLAG_CANCELLED = 0x01, |
|
|
136 | FLAG_DATA_RO_OFF = 0x80, /* data was set readonly */ |
121 | }; |
137 | }; |
122 | |
138 | |
123 | typedef aio_cb *aio_req; |
139 | typedef aio_cb *aio_req; |
124 | typedef aio_cb *aio_req_ornot; |
140 | typedef aio_cb *aio_req_ornot; |
125 | |
141 | |
… | |
… | |
130 | DEFAULT_PRI = 0, |
146 | DEFAULT_PRI = 0, |
131 | PRI_BIAS = -PRI_MIN, |
147 | PRI_BIAS = -PRI_MIN, |
132 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
148 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
133 | }; |
149 | }; |
134 | |
150 | |
|
|
151 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
|
|
152 | |
|
|
153 | static unsigned int max_poll_time = 0; |
|
|
154 | static unsigned int max_poll_reqs = 0; |
|
|
155 | |
|
|
156 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
|
157 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
|
158 | { |
|
|
159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
|
160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
|
161 | } |
|
|
162 | |
135 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
136 | |
164 | |
137 | static unsigned int started, wanted; |
165 | static unsigned int started, idle, wanted; |
138 | static volatile unsigned int nreqs; |
|
|
139 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
140 | static int respipe [2]; |
|
|
141 | |
166 | |
142 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
143 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
144 | #else |
169 | #else |
145 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
… | |
… | |
186 | wrk->prev->next = wrk->next; |
211 | wrk->prev->next = wrk->next; |
187 | |
212 | |
188 | free (wrk); |
213 | free (wrk); |
189 | } |
214 | } |
190 | |
215 | |
|
|
216 | static volatile unsigned int nreqs, nready, npending; |
|
|
217 | static volatile unsigned int max_idle = 4; |
|
|
218 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
219 | static int respipe [2]; |
|
|
220 | |
191 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
192 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
193 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
224 | |
|
|
225 | #if WORDACCESS_UNSAFE |
|
|
226 | |
|
|
227 | static unsigned int get_nready () |
|
|
228 | { |
|
|
229 | unsigned int retval; |
|
|
230 | |
|
|
231 | LOCK (reqlock); |
|
|
232 | retval = nready; |
|
|
233 | UNLOCK (reqlock); |
|
|
234 | |
|
|
235 | return retval; |
|
|
236 | } |
|
|
237 | |
|
|
238 | static unsigned int get_npending () |
|
|
239 | { |
|
|
240 | unsigned int retval; |
|
|
241 | |
|
|
242 | LOCK (reslock); |
|
|
243 | retval = npending; |
|
|
244 | UNLOCK (reslock); |
|
|
245 | |
|
|
246 | return retval; |
|
|
247 | } |
|
|
248 | |
|
|
249 | static unsigned int get_nthreads () |
|
|
250 | { |
|
|
251 | unsigned int retval; |
|
|
252 | |
|
|
253 | LOCK (wrklock); |
|
|
254 | retval = started; |
|
|
255 | UNLOCK (wrklock); |
|
|
256 | |
|
|
257 | return retval; |
|
|
258 | } |
|
|
259 | |
|
|
260 | #else |
|
|
261 | |
|
|
262 | # define get_nready() nready |
|
|
263 | # define get_npending() npending |
|
|
264 | # define get_nthreads() started |
|
|
265 | |
|
|
266 | #endif |
194 | |
267 | |
195 | /* |
268 | /* |
196 | * a somewhat faster data structure might be nice, but |
269 | * a somewhat faster data structure might be nice, but |
197 | * with 8 priorities this actually needs <20 insns |
270 | * with 8 priorities this actually needs <20 insns |
198 | * per shift, the most expensive operation. |
271 | * per shift, the most expensive operation. |
… | |
… | |
244 | } |
317 | } |
245 | |
318 | |
246 | abort (); |
319 | abort (); |
247 | } |
320 | } |
248 | |
321 | |
249 | static int poll_cb (int max); |
322 | static int poll_cb (); |
250 | static void req_invoke (aio_req req); |
323 | static void req_invoke (aio_req req); |
251 | static void req_free (aio_req req); |
324 | static void req_free (aio_req req); |
252 | static void req_cancel (aio_req req); |
325 | static void req_cancel (aio_req req); |
253 | |
326 | |
254 | /* must be called at most once */ |
327 | /* must be called at most once */ |
… | |
… | |
275 | return mg ? (aio_req)mg->mg_ptr : 0; |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
276 | } |
349 | } |
277 | |
350 | |
278 | static void aio_grp_feed (aio_req grp) |
351 | static void aio_grp_feed (aio_req grp) |
279 | { |
352 | { |
280 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
281 | { |
354 | { |
282 | int old_len = grp->length; |
355 | int old_len = grp->size; |
283 | |
356 | |
284 | if (grp->fh2 && SvOK (grp->fh2)) |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
285 | { |
358 | { |
286 | dSP; |
359 | dSP; |
287 | |
360 | |
288 | ENTER; |
361 | ENTER; |
289 | SAVETMPS; |
362 | SAVETMPS; |
290 | PUSHMARK (SP); |
363 | PUSHMARK (SP); |
291 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
364 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
292 | PUTBACK; |
365 | PUTBACK; |
293 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
366 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
294 | SPAGAIN; |
367 | SPAGAIN; |
295 | FREETMPS; |
368 | FREETMPS; |
296 | LEAVE; |
369 | LEAVE; |
297 | } |
370 | } |
298 | |
371 | |
299 | /* stop if no progress has been made */ |
372 | /* stop if no progress has been made */ |
300 | if (old_len == grp->length) |
373 | if (old_len == grp->size) |
301 | { |
374 | { |
302 | SvREFCNT_dec (grp->fh2); |
375 | SvREFCNT_dec (grp->sv2); |
303 | grp->fh2 = 0; |
376 | grp->sv2 = 0; |
304 | break; |
377 | break; |
305 | } |
378 | } |
306 | } |
379 | } |
307 | } |
380 | } |
308 | |
381 | |
309 | static void aio_grp_dec (aio_req grp) |
382 | static void aio_grp_dec (aio_req grp) |
310 | { |
383 | { |
311 | --grp->length; |
384 | --grp->size; |
312 | |
385 | |
313 | /* call feeder, if applicable */ |
386 | /* call feeder, if applicable */ |
314 | aio_grp_feed (grp); |
387 | aio_grp_feed (grp); |
315 | |
388 | |
316 | /* finish, if done */ |
389 | /* finish, if done */ |
317 | if (!grp->length && grp->fd) |
390 | if (!grp->size && grp->int1) |
318 | { |
391 | { |
319 | req_invoke (grp); |
392 | req_invoke (grp); |
320 | req_free (grp); |
393 | req_free (grp); |
321 | } |
394 | } |
322 | } |
395 | } |
323 | |
396 | |
324 | static void poll_wait () |
|
|
325 | { |
|
|
326 | fd_set rfd; |
|
|
327 | |
|
|
328 | while (nreqs) |
|
|
329 | { |
|
|
330 | int size; |
|
|
331 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
|
|
332 | LOCK (reslock); |
|
|
333 | #endif |
|
|
334 | size = res_queue.size; |
|
|
335 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
|
|
336 | UNLOCK (reslock); |
|
|
337 | #endif |
|
|
338 | |
|
|
339 | if (size) |
|
|
340 | return; |
|
|
341 | |
|
|
342 | FD_ZERO(&rfd); |
|
|
343 | FD_SET(respipe [0], &rfd); |
|
|
344 | |
|
|
345 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
346 | } |
|
|
347 | } |
|
|
348 | |
|
|
349 | static void req_invoke (aio_req req) |
397 | static void req_invoke (aio_req req) |
350 | { |
398 | { |
351 | dSP; |
399 | dSP; |
352 | |
400 | |
|
|
401 | if (req->flags & FLAG_DATA_RO_OFF) |
|
|
402 | SvREADONLY_off (req->sv1); |
|
|
403 | |
|
|
404 | if (req->statdata) |
|
|
405 | { |
|
|
406 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
407 | PL_laststatval = req->result; |
|
|
408 | PL_statcache = *(req->statdata); |
|
|
409 | } |
|
|
410 | |
353 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
411 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
354 | { |
412 | { |
355 | errno = req->errorno; |
|
|
356 | |
|
|
357 | ENTER; |
413 | ENTER; |
358 | SAVETMPS; |
414 | SAVETMPS; |
359 | PUSHMARK (SP); |
415 | PUSHMARK (SP); |
360 | EXTEND (SP, 1); |
416 | EXTEND (SP, 1); |
361 | |
417 | |
… | |
… | |
366 | SV *rv = &PL_sv_undef; |
422 | SV *rv = &PL_sv_undef; |
367 | |
423 | |
368 | if (req->result >= 0) |
424 | if (req->result >= 0) |
369 | { |
425 | { |
370 | int i; |
426 | int i; |
371 | char *buf = req->data2ptr; |
427 | char *buf = req->ptr2; |
372 | AV *av = newAV (); |
428 | AV *av = newAV (); |
373 | |
429 | |
374 | av_extend (av, req->result - 1); |
430 | av_extend (av, req->result - 1); |
375 | |
431 | |
376 | for (i = 0; i < req->result; ++i) |
432 | for (i = 0; i < req->result; ++i) |
… | |
… | |
404 | XPUSHs (sv_2mortal (fh)); |
460 | XPUSHs (sv_2mortal (fh)); |
405 | } |
461 | } |
406 | break; |
462 | break; |
407 | |
463 | |
408 | case REQ_GROUP: |
464 | case REQ_GROUP: |
409 | req->fd = 2; /* mark group as finished */ |
465 | req->int1 = 2; /* mark group as finished */ |
410 | |
466 | |
411 | if (req->data) |
467 | if (req->sv1) |
412 | { |
468 | { |
413 | int i; |
469 | int i; |
414 | AV *av = (AV *)req->data; |
470 | AV *av = (AV *)req->sv1; |
415 | |
471 | |
416 | EXTEND (SP, AvFILL (av) + 1); |
472 | EXTEND (SP, AvFILL (av) + 1); |
417 | for (i = 0; i <= AvFILL (av); ++i) |
473 | for (i = 0; i <= AvFILL (av); ++i) |
418 | PUSHs (*av_fetch (av, i, 0)); |
474 | PUSHs (*av_fetch (av, i, 0)); |
419 | } |
475 | } |
… | |
… | |
421 | |
477 | |
422 | case REQ_NOP: |
478 | case REQ_NOP: |
423 | case REQ_BUSY: |
479 | case REQ_BUSY: |
424 | break; |
480 | break; |
425 | |
481 | |
|
|
482 | case REQ_READLINK: |
|
|
483 | if (req->result > 0) |
|
|
484 | { |
|
|
485 | SvCUR_set (req->sv1, req->result); |
|
|
486 | *SvEND (req->sv1) = 0; |
|
|
487 | PUSHs (req->sv1); |
|
|
488 | } |
|
|
489 | break; |
|
|
490 | |
|
|
491 | case REQ_READ: |
|
|
492 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
493 | *SvEND (req->sv1) = 0; |
|
|
494 | /* fall through */ |
426 | default: |
495 | default: |
427 | PUSHs (sv_2mortal (newSViv (req->result))); |
496 | PUSHs (sv_2mortal (newSViv (req->result))); |
428 | break; |
497 | break; |
429 | } |
498 | } |
430 | |
499 | |
|
|
500 | errno = req->errorno; |
431 | |
501 | |
432 | PUTBACK; |
502 | PUTBACK; |
433 | call_sv (req->callback, G_VOID | G_EVAL); |
503 | call_sv (req->callback, G_VOID | G_EVAL); |
434 | SPAGAIN; |
504 | SPAGAIN; |
435 | |
505 | |
… | |
… | |
464 | { |
534 | { |
465 | sv_unmagic (req->self, PERL_MAGIC_ext); |
535 | sv_unmagic (req->self, PERL_MAGIC_ext); |
466 | SvREFCNT_dec (req->self); |
536 | SvREFCNT_dec (req->self); |
467 | } |
537 | } |
468 | |
538 | |
469 | SvREFCNT_dec (req->data); |
|
|
470 | SvREFCNT_dec (req->fh); |
539 | SvREFCNT_dec (req->fh); |
|
|
540 | SvREFCNT_dec (req->sv1); |
471 | SvREFCNT_dec (req->fh2); |
541 | SvREFCNT_dec (req->sv2); |
472 | SvREFCNT_dec (req->callback); |
542 | SvREFCNT_dec (req->callback); |
473 | Safefree (req->statdata); |
543 | Safefree (req->statdata); |
474 | |
544 | |
475 | if (req->type == REQ_READDIR) |
545 | if (req->type == REQ_READDIR) |
476 | free (req->data2ptr); |
546 | free (req->ptr2); |
477 | |
547 | |
478 | Safefree (req); |
548 | Safefree (req); |
479 | } |
549 | } |
480 | |
550 | |
481 | static void req_cancel_subs (aio_req grp) |
551 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
483 | aio_req sub; |
553 | aio_req sub; |
484 | |
554 | |
485 | if (grp->type != REQ_GROUP) |
555 | if (grp->type != REQ_GROUP) |
486 | return; |
556 | return; |
487 | |
557 | |
488 | SvREFCNT_dec (grp->fh2); |
558 | SvREFCNT_dec (grp->sv2); |
489 | grp->fh2 = 0; |
559 | grp->sv2 = 0; |
490 | |
560 | |
491 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
561 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
492 | req_cancel (sub); |
562 | req_cancel (sub); |
493 | } |
563 | } |
494 | |
564 | |
… | |
… | |
497 | req->flags |= FLAG_CANCELLED; |
567 | req->flags |= FLAG_CANCELLED; |
498 | |
568 | |
499 | req_cancel_subs (req); |
569 | req_cancel_subs (req); |
500 | } |
570 | } |
501 | |
571 | |
|
|
572 | static void *aio_proc(void *arg); |
|
|
573 | |
|
|
574 | static void start_thread (void) |
|
|
575 | { |
|
|
576 | sigset_t fullsigset, oldsigset; |
|
|
577 | pthread_attr_t attr; |
|
|
578 | |
|
|
579 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
580 | |
|
|
581 | if (!wrk) |
|
|
582 | croak ("unable to allocate worker thread data"); |
|
|
583 | |
|
|
584 | pthread_attr_init (&attr); |
|
|
585 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
586 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
587 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
588 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
589 | #endif |
|
|
590 | |
|
|
591 | sigfillset (&fullsigset); |
|
|
592 | |
|
|
593 | LOCK (wrklock); |
|
|
594 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
595 | |
|
|
596 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
597 | { |
|
|
598 | wrk->prev = &wrk_first; |
|
|
599 | wrk->next = wrk_first.next; |
|
|
600 | wrk_first.next->prev = wrk; |
|
|
601 | wrk_first.next = wrk; |
|
|
602 | ++started; |
|
|
603 | } |
|
|
604 | else |
|
|
605 | free (wrk); |
|
|
606 | |
|
|
607 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
608 | UNLOCK (wrklock); |
|
|
609 | } |
|
|
610 | |
|
|
611 | static void maybe_start_thread () |
|
|
612 | { |
|
|
613 | if (get_nthreads () >= wanted) |
|
|
614 | return; |
|
|
615 | |
|
|
616 | /* todo: maybe use idle here, but might be less exact */ |
|
|
617 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
618 | return; |
|
|
619 | |
|
|
620 | start_thread (); |
|
|
621 | } |
|
|
622 | |
|
|
623 | static void req_send (aio_req req) |
|
|
624 | { |
|
|
625 | ++nreqs; |
|
|
626 | |
|
|
627 | LOCK (reqlock); |
|
|
628 | ++nready; |
|
|
629 | reqq_push (&req_queue, req); |
|
|
630 | pthread_cond_signal (&reqwait); |
|
|
631 | UNLOCK (reqlock); |
|
|
632 | |
|
|
633 | maybe_start_thread (); |
|
|
634 | } |
|
|
635 | |
|
|
636 | static void end_thread (void) |
|
|
637 | { |
|
|
638 | aio_req req; |
|
|
639 | |
|
|
640 | Newz (0, req, 1, aio_cb); |
|
|
641 | |
|
|
642 | req->type = REQ_QUIT; |
|
|
643 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
644 | |
|
|
645 | LOCK (reqlock); |
|
|
646 | reqq_push (&req_queue, req); |
|
|
647 | pthread_cond_signal (&reqwait); |
|
|
648 | UNLOCK (reqlock); |
|
|
649 | |
|
|
650 | LOCK (wrklock); |
|
|
651 | --started; |
|
|
652 | UNLOCK (wrklock); |
|
|
653 | } |
|
|
654 | |
|
|
655 | static void set_max_idle (int nthreads) |
|
|
656 | { |
|
|
657 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
658 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
659 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
660 | } |
|
|
661 | |
|
|
662 | static void min_parallel (int nthreads) |
|
|
663 | { |
|
|
664 | if (wanted < nthreads) |
|
|
665 | wanted = nthreads; |
|
|
666 | } |
|
|
667 | |
|
|
668 | static void max_parallel (int nthreads) |
|
|
669 | { |
|
|
670 | if (wanted > nthreads) |
|
|
671 | wanted = nthreads; |
|
|
672 | |
|
|
673 | while (started > wanted) |
|
|
674 | end_thread (); |
|
|
675 | } |
|
|
676 | |
|
|
677 | static void poll_wait () |
|
|
678 | { |
|
|
679 | fd_set rfd; |
|
|
680 | |
|
|
681 | while (nreqs) |
|
|
682 | { |
|
|
683 | int size; |
|
|
684 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
685 | size = res_queue.size; |
|
|
686 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
687 | |
|
|
688 | if (size) |
|
|
689 | return; |
|
|
690 | |
|
|
691 | maybe_start_thread (); |
|
|
692 | |
|
|
693 | FD_ZERO(&rfd); |
|
|
694 | FD_SET(respipe [0], &rfd); |
|
|
695 | |
|
|
696 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
697 | } |
|
|
698 | } |
|
|
699 | |
502 | static int poll_cb (int max) |
700 | static int poll_cb () |
503 | { |
701 | { |
504 | dSP; |
702 | dSP; |
505 | int count = 0; |
703 | int count = 0; |
|
|
704 | int maxreqs = max_poll_reqs; |
506 | int do_croak = 0; |
705 | int do_croak = 0; |
|
|
706 | struct timeval tv_start, tv_now; |
507 | aio_req req; |
707 | aio_req req; |
508 | |
708 | |
|
|
709 | if (max_poll_time) |
|
|
710 | gettimeofday (&tv_start, 0); |
|
|
711 | |
509 | for (;;) |
712 | for (;;) |
510 | { |
713 | { |
511 | while (max <= 0 || count < max) |
714 | for (;;) |
512 | { |
715 | { |
|
|
716 | maybe_start_thread (); |
|
|
717 | |
513 | LOCK (reslock); |
718 | LOCK (reslock); |
514 | req = reqq_shift (&res_queue); |
719 | req = reqq_shift (&res_queue); |
515 | |
720 | |
516 | if (req) |
721 | if (req) |
517 | { |
722 | { |
|
|
723 | --npending; |
|
|
724 | |
518 | if (!res_queue.size) |
725 | if (!res_queue.size) |
519 | { |
726 | { |
520 | /* read any signals sent by the worker threads */ |
727 | /* read any signals sent by the worker threads */ |
521 | char buf [32]; |
728 | char buf [32]; |
522 | while (read (respipe [0], buf, 32) == 32) |
729 | while (read (respipe [0], buf, 32) == 32) |
… | |
… | |
529 | if (!req) |
736 | if (!req) |
530 | break; |
737 | break; |
531 | |
738 | |
532 | --nreqs; |
739 | --nreqs; |
533 | |
740 | |
534 | if (req->type == REQ_QUIT) |
|
|
535 | --started; |
|
|
536 | else if (req->type == REQ_GROUP && req->length) |
741 | if (req->type == REQ_GROUP && req->size) |
537 | { |
742 | { |
538 | req->fd = 1; /* mark request as delayed */ |
743 | req->int1 = 1; /* mark request as delayed */ |
539 | continue; |
744 | continue; |
540 | } |
745 | } |
541 | else |
746 | else |
542 | { |
747 | { |
543 | if (req->type == REQ_READ) |
|
|
544 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
545 | |
|
|
546 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
547 | SvREADONLY_off (req->data); |
|
|
548 | |
|
|
549 | if (req->statdata) |
|
|
550 | { |
|
|
551 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
552 | PL_laststatval = req->result; |
|
|
553 | PL_statcache = *(req->statdata); |
|
|
554 | } |
|
|
555 | |
|
|
556 | req_invoke (req); |
748 | req_invoke (req); |
557 | |
749 | |
558 | count++; |
750 | count++; |
559 | } |
751 | } |
560 | |
752 | |
561 | req_free (req); |
753 | req_free (req); |
|
|
754 | |
|
|
755 | if (maxreqs && !--maxreqs) |
|
|
756 | break; |
|
|
757 | |
|
|
758 | if (max_poll_time) |
|
|
759 | { |
|
|
760 | gettimeofday (&tv_now, 0); |
|
|
761 | |
|
|
762 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
763 | break; |
|
|
764 | } |
562 | } |
765 | } |
563 | |
766 | |
564 | if (nreqs <= max_outstanding) |
767 | if (nreqs <= max_outstanding) |
565 | break; |
768 | break; |
566 | |
769 | |
567 | poll_wait (); |
770 | poll_wait (); |
568 | |
771 | |
569 | max = 0; |
772 | ++maxreqs; |
570 | } |
773 | } |
571 | |
774 | |
572 | return count; |
775 | return count; |
573 | } |
|
|
574 | |
|
|
575 | static void *aio_proc(void *arg); |
|
|
576 | |
|
|
577 | static void start_thread (void) |
|
|
578 | { |
|
|
579 | sigset_t fullsigset, oldsigset; |
|
|
580 | pthread_attr_t attr; |
|
|
581 | |
|
|
582 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
583 | |
|
|
584 | if (!wrk) |
|
|
585 | croak ("unable to allocate worker thread data"); |
|
|
586 | |
|
|
587 | pthread_attr_init (&attr); |
|
|
588 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
589 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
590 | |
|
|
591 | sigfillset (&fullsigset); |
|
|
592 | |
|
|
593 | LOCK (wrklock); |
|
|
594 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
595 | |
|
|
596 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
597 | { |
|
|
598 | wrk->prev = &wrk_first; |
|
|
599 | wrk->next = wrk_first.next; |
|
|
600 | wrk_first.next->prev = wrk; |
|
|
601 | wrk_first.next = wrk; |
|
|
602 | ++started; |
|
|
603 | } |
|
|
604 | else |
|
|
605 | free (wrk); |
|
|
606 | |
|
|
607 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
608 | UNLOCK (wrklock); |
|
|
609 | } |
|
|
610 | |
|
|
611 | static void req_send (aio_req req) |
|
|
612 | { |
|
|
613 | while (started < wanted && nreqs >= started) |
|
|
614 | start_thread (); |
|
|
615 | |
|
|
616 | ++nreqs; |
|
|
617 | |
|
|
618 | LOCK (reqlock); |
|
|
619 | reqq_push (&req_queue, req); |
|
|
620 | pthread_cond_signal (&reqwait); |
|
|
621 | UNLOCK (reqlock); |
|
|
622 | } |
|
|
623 | |
|
|
624 | static void end_thread (void) |
|
|
625 | { |
|
|
626 | aio_req req; |
|
|
627 | |
|
|
628 | Newz (0, req, 1, aio_cb); |
|
|
629 | |
|
|
630 | req->type = REQ_QUIT; |
|
|
631 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
632 | |
|
|
633 | req_send (req); |
|
|
634 | } |
|
|
635 | |
|
|
636 | static void min_parallel (int nthreads) |
|
|
637 | { |
|
|
638 | if (wanted < nthreads) |
|
|
639 | wanted = nthreads; |
|
|
640 | } |
|
|
641 | |
|
|
642 | static void max_parallel (int nthreads) |
|
|
643 | { |
|
|
644 | int cur = started; |
|
|
645 | |
|
|
646 | if (wanted > nthreads) |
|
|
647 | wanted = nthreads; |
|
|
648 | |
|
|
649 | while (cur > wanted) |
|
|
650 | { |
|
|
651 | end_thread (); |
|
|
652 | cur--; |
|
|
653 | } |
|
|
654 | |
|
|
655 | while (started > wanted) |
|
|
656 | { |
|
|
657 | poll_wait (); |
|
|
658 | poll_cb (0); |
|
|
659 | } |
|
|
660 | } |
776 | } |
661 | |
777 | |
662 | static void create_pipe () |
778 | static void create_pipe () |
663 | { |
779 | { |
664 | if (pipe (respipe)) |
780 | if (pipe (respipe)) |
… | |
… | |
879 | int memofs = 0; |
995 | int memofs = 0; |
880 | int res = 0; |
996 | int res = 0; |
881 | int errorno; |
997 | int errorno; |
882 | |
998 | |
883 | LOCK (wrklock); |
999 | LOCK (wrklock); |
884 | self->dirp = dirp = opendir (req->dataptr); |
1000 | self->dirp = dirp = opendir (req->ptr1); |
885 | self->dbuf = u = malloc (sizeof (*u)); |
1001 | self->dbuf = u = malloc (sizeof (*u)); |
886 | req->data2ptr = names = malloc (memlen); |
1002 | req->ptr2 = names = malloc (memlen); |
887 | UNLOCK (wrklock); |
1003 | UNLOCK (wrklock); |
888 | |
1004 | |
889 | if (dirp && u && names) |
1005 | if (dirp && u && names) |
890 | for (;;) |
1006 | for (;;) |
891 | { |
1007 | { |
… | |
… | |
905 | |
1021 | |
906 | while (memofs + len > memlen) |
1022 | while (memofs + len > memlen) |
907 | { |
1023 | { |
908 | memlen *= 2; |
1024 | memlen *= 2; |
909 | LOCK (wrklock); |
1025 | LOCK (wrklock); |
910 | req->data2ptr = names = realloc (names, memlen); |
1026 | req->ptr2 = names = realloc (names, memlen); |
911 | UNLOCK (wrklock); |
1027 | UNLOCK (wrklock); |
912 | |
1028 | |
913 | if (!names) |
1029 | if (!names) |
914 | break; |
1030 | break; |
915 | } |
1031 | } |
… | |
… | |
928 | /*****************************************************************************/ |
1044 | /*****************************************************************************/ |
929 | |
1045 | |
930 | static void *aio_proc (void *thr_arg) |
1046 | static void *aio_proc (void *thr_arg) |
931 | { |
1047 | { |
932 | aio_req req; |
1048 | aio_req req; |
933 | int type; |
1049 | struct timespec ts; |
934 | worker *self = (worker *)thr_arg; |
1050 | worker *self = (worker *)thr_arg; |
935 | |
1051 | |
936 | do |
1052 | /* try to distribute timeouts somewhat evenly */ |
|
|
1053 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1054 | * (1000000000UL / 1024UL); |
|
|
1055 | |
|
|
1056 | for (;;) |
937 | { |
1057 | { |
|
|
1058 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1059 | |
938 | LOCK (reqlock); |
1060 | LOCK (reqlock); |
939 | |
1061 | |
940 | for (;;) |
1062 | for (;;) |
941 | { |
1063 | { |
942 | self->req = req = reqq_shift (&req_queue); |
1064 | self->req = req = reqq_shift (&req_queue); |
943 | |
1065 | |
944 | if (req) |
1066 | if (req) |
945 | break; |
1067 | break; |
946 | |
1068 | |
|
|
1069 | ++idle; |
|
|
1070 | |
|
|
1071 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1072 | == ETIMEDOUT) |
|
|
1073 | { |
|
|
1074 | if (idle > max_idle) |
|
|
1075 | { |
|
|
1076 | --idle; |
|
|
1077 | UNLOCK (reqlock); |
|
|
1078 | LOCK (wrklock); |
|
|
1079 | --started; |
|
|
1080 | UNLOCK (wrklock); |
|
|
1081 | goto quit; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* we are allowed to idle, so do so without any timeout */ |
947 | pthread_cond_wait (&reqwait, &reqlock); |
1085 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1086 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | --idle; |
948 | } |
1090 | } |
|
|
1091 | |
|
|
1092 | --nready; |
949 | |
1093 | |
950 | UNLOCK (reqlock); |
1094 | UNLOCK (reqlock); |
951 | |
1095 | |
952 | errno = 0; /* strictly unnecessary */ |
1096 | errno = 0; /* strictly unnecessary */ |
953 | type = req->type; /* remember type for QUIT check */ |
|
|
954 | |
1097 | |
955 | if (!(req->flags & FLAG_CANCELLED)) |
1098 | if (!(req->flags & FLAG_CANCELLED)) |
956 | switch (type) |
1099 | switch (req->type) |
957 | { |
1100 | { |
958 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1101 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
959 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1102 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
960 | |
1103 | |
961 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1104 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
962 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1105 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
963 | |
1106 | |
964 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1107 | case REQ_STAT: req->result = stat (req->ptr1, req->statdata); break; |
965 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1108 | case REQ_LSTAT: req->result = lstat (req->ptr1, req->statdata); break; |
966 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1109 | case REQ_FSTAT: req->result = fstat (req->int1, req->statdata); break; |
967 | |
1110 | |
968 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1111 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
969 | case REQ_CLOSE: req->result = close (req->fd); break; |
1112 | case REQ_CLOSE: req->result = close (req->int1); break; |
970 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1113 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
971 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1114 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
972 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1115 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
973 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1116 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
974 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1117 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1118 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1119 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
975 | |
1120 | |
976 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1121 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
977 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1122 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
978 | case REQ_READDIR: scandir_ (req, self); break; |
1123 | case REQ_READDIR: scandir_ (req, self); break; |
979 | |
1124 | |
980 | case REQ_BUSY: |
1125 | case REQ_BUSY: |
981 | { |
1126 | { |
982 | struct timeval tv; |
1127 | struct timeval tv; |
983 | |
1128 | |
984 | tv.tv_sec = req->fd; |
1129 | tv.tv_sec = req->int1; |
985 | tv.tv_usec = req->fd2; |
1130 | tv.tv_usec = req->int2; |
986 | |
1131 | |
987 | req->result = select (0, 0, 0, 0, &tv); |
1132 | req->result = select (0, 0, 0, 0, &tv); |
988 | } |
1133 | } |
989 | |
1134 | |
990 | case REQ_GROUP: |
1135 | case REQ_GROUP: |
991 | case REQ_NOP: |
1136 | case REQ_NOP: |
|
|
1137 | break; |
|
|
1138 | |
992 | case REQ_QUIT: |
1139 | case REQ_QUIT: |
993 | break; |
1140 | goto quit; |
994 | |
1141 | |
995 | default: |
1142 | default: |
996 | req->result = ENOSYS; |
1143 | req->result = ENOSYS; |
997 | break; |
1144 | break; |
998 | } |
1145 | } |
999 | |
1146 | |
1000 | req->errorno = errno; |
1147 | req->errorno = errno; |
1001 | |
1148 | |
1002 | LOCK (reslock); |
1149 | LOCK (reslock); |
1003 | |
1150 | |
|
|
1151 | ++npending; |
|
|
1152 | |
1004 | if (!reqq_push (&res_queue, req)) |
1153 | if (!reqq_push (&res_queue, req)) |
1005 | /* write a dummy byte to the pipe so fh becomes ready */ |
1154 | /* write a dummy byte to the pipe so fh becomes ready */ |
1006 | write (respipe [1], &respipe, 1); |
1155 | write (respipe [1], &respipe, 1); |
1007 | |
1156 | |
1008 | self->req = 0; |
1157 | self->req = 0; |
1009 | worker_clear (self); |
1158 | worker_clear (self); |
1010 | |
1159 | |
1011 | UNLOCK (reslock); |
1160 | UNLOCK (reslock); |
1012 | } |
1161 | } |
1013 | while (type != REQ_QUIT); |
|
|
1014 | |
1162 | |
|
|
1163 | quit: |
1015 | LOCK (wrklock); |
1164 | LOCK (wrklock); |
1016 | worker_free (self); |
1165 | worker_free (self); |
1017 | UNLOCK (wrklock); |
1166 | UNLOCK (wrklock); |
1018 | |
1167 | |
1019 | return 0; |
1168 | return 0; |
… | |
… | |
1066 | |
1215 | |
1067 | worker_clear (wrk); |
1216 | worker_clear (wrk); |
1068 | worker_free (wrk); |
1217 | worker_free (wrk); |
1069 | } |
1218 | } |
1070 | |
1219 | |
1071 | started = 0; |
1220 | started = 0; |
|
|
1221 | idle = 0; |
1072 | nreqs = 0; |
1222 | nreqs = 0; |
|
|
1223 | nready = 0; |
|
|
1224 | npending = 0; |
1073 | |
1225 | |
1074 | close (respipe [0]); |
1226 | close (respipe [0]); |
1075 | close (respipe [1]); |
1227 | close (respipe [1]); |
1076 | create_pipe (); |
1228 | create_pipe (); |
1077 | |
1229 | |
… | |
… | |
1104 | PROTOTYPES: ENABLE |
1256 | PROTOTYPES: ENABLE |
1105 | |
1257 | |
1106 | BOOT: |
1258 | BOOT: |
1107 | { |
1259 | { |
1108 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1260 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1261 | |
1109 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1262 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1110 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1263 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1111 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1264 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1265 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1266 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1267 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1112 | |
1268 | |
1113 | create_pipe (); |
1269 | create_pipe (); |
1114 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1270 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1115 | } |
1271 | } |
1116 | |
1272 | |
1117 | void |
1273 | void |
|
|
1274 | max_poll_reqs (int nreqs) |
|
|
1275 | PROTOTYPE: $ |
|
|
1276 | CODE: |
|
|
1277 | max_poll_reqs = nreqs; |
|
|
1278 | |
|
|
1279 | void |
|
|
1280 | max_poll_time (double nseconds) |
|
|
1281 | PROTOTYPE: $ |
|
|
1282 | CODE: |
|
|
1283 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1284 | |
|
|
1285 | void |
1118 | min_parallel (int nthreads) |
1286 | min_parallel (int nthreads) |
1119 | PROTOTYPE: $ |
1287 | PROTOTYPE: $ |
1120 | |
1288 | |
1121 | void |
1289 | void |
1122 | max_parallel (int nthreads) |
1290 | max_parallel (int nthreads) |
1123 | PROTOTYPE: $ |
1291 | PROTOTYPE: $ |
|
|
1292 | |
|
|
1293 | void |
|
|
1294 | max_idle (int nthreads) |
|
|
1295 | PROTOTYPE: $ |
|
|
1296 | CODE: |
|
|
1297 | set_max_idle (nthreads); |
1124 | |
1298 | |
1125 | int |
1299 | int |
1126 | max_outstanding (int maxreqs) |
1300 | max_outstanding (int maxreqs) |
1127 | PROTOTYPE: $ |
1301 | PROTOTYPE: $ |
1128 | CODE: |
1302 | CODE: |
… | |
… | |
1141 | PPCODE: |
1315 | PPCODE: |
1142 | { |
1316 | { |
1143 | dREQ; |
1317 | dREQ; |
1144 | |
1318 | |
1145 | req->type = REQ_OPEN; |
1319 | req->type = REQ_OPEN; |
1146 | req->data = newSVsv (pathname); |
1320 | req->sv1 = newSVsv (pathname); |
1147 | req->dataptr = SvPVbyte_nolen (req->data); |
1321 | req->ptr1 = SvPVbyte_nolen (pathname); |
1148 | req->fd = flags; |
1322 | req->int1 = flags; |
1149 | req->mode = mode; |
1323 | req->mode = mode; |
1150 | |
1324 | |
1151 | REQ_SEND; |
1325 | REQ_SEND; |
1152 | } |
1326 | } |
1153 | |
1327 | |
… | |
… | |
1163 | PPCODE: |
1337 | PPCODE: |
1164 | { |
1338 | { |
1165 | dREQ; |
1339 | dREQ; |
1166 | |
1340 | |
1167 | req->type = ix; |
1341 | req->type = ix; |
1168 | req->fh = newSVsv (fh); |
1342 | req->fh = newSVsv (fh); |
1169 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1343 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1170 | |
1344 | |
1171 | REQ_SEND (req); |
1345 | REQ_SEND (req); |
1172 | } |
1346 | } |
1173 | |
1347 | |
1174 | void |
1348 | void |
… | |
… | |
1183 | aio_read = REQ_READ |
1357 | aio_read = REQ_READ |
1184 | aio_write = REQ_WRITE |
1358 | aio_write = REQ_WRITE |
1185 | PROTOTYPE: $$$$$;$ |
1359 | PROTOTYPE: $$$$$;$ |
1186 | PPCODE: |
1360 | PPCODE: |
1187 | { |
1361 | { |
1188 | aio_req req; |
|
|
1189 | STRLEN svlen; |
1362 | STRLEN svlen; |
1190 | char *svptr = SvPVbyte (data, svlen); |
1363 | char *svptr = SvPVbyte (data, svlen); |
1191 | |
1364 | |
1192 | SvUPGRADE (data, SVt_PV); |
1365 | SvUPGRADE (data, SVt_PV); |
1193 | SvPOK_on (data); |
1366 | SvPOK_on (data); |
… | |
… | |
1215 | |
1388 | |
1216 | { |
1389 | { |
1217 | dREQ; |
1390 | dREQ; |
1218 | |
1391 | |
1219 | req->type = ix; |
1392 | req->type = ix; |
1220 | req->fh = newSVsv (fh); |
1393 | req->fh = newSVsv (fh); |
1221 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1394 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1222 | : IoOFP (sv_2io (fh))); |
1395 | : IoOFP (sv_2io (fh))); |
1223 | req->offset = offset; |
1396 | req->offs = offset; |
1224 | req->length = length; |
1397 | req->size = length; |
1225 | req->data = SvREFCNT_inc (data); |
1398 | req->sv1 = SvREFCNT_inc (data); |
1226 | req->dataptr = (char *)svptr + dataoffset; |
1399 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1400 | req->stroffset = dataoffset; |
1227 | |
1401 | |
1228 | if (!SvREADONLY (data)) |
1402 | if (!SvREADONLY (data)) |
1229 | { |
1403 | { |
1230 | SvREADONLY_on (data); |
1404 | SvREADONLY_on (data); |
1231 | req->data2ptr = (void *)data; |
1405 | req->flags |= FLAG_DATA_RO_OFF; |
1232 | } |
1406 | } |
1233 | |
1407 | |
1234 | REQ_SEND; |
1408 | REQ_SEND; |
1235 | } |
1409 | } |
|
|
1410 | } |
|
|
1411 | |
|
|
1412 | void |
|
|
1413 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1414 | SV * path |
|
|
1415 | SV * callback |
|
|
1416 | PROTOTYPE: $$;$ |
|
|
1417 | PPCODE: |
|
|
1418 | { |
|
|
1419 | SV *data; |
|
|
1420 | dREQ; |
|
|
1421 | |
|
|
1422 | data = newSV (NAME_MAX); |
|
|
1423 | SvPOK_on (data); |
|
|
1424 | |
|
|
1425 | req->type = REQ_READLINK; |
|
|
1426 | req->fh = newSVsv (path); |
|
|
1427 | req->ptr2 = SvPVbyte_nolen (path); |
|
|
1428 | req->sv1 = data; |
|
|
1429 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1430 | |
|
|
1431 | REQ_SEND; |
1236 | } |
1432 | } |
1237 | |
1433 | |
1238 | void |
1434 | void |
1239 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1435 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1240 | SV * out_fh |
1436 | SV * out_fh |
… | |
… | |
1246 | PPCODE: |
1442 | PPCODE: |
1247 | { |
1443 | { |
1248 | dREQ; |
1444 | dREQ; |
1249 | |
1445 | |
1250 | req->type = REQ_SENDFILE; |
1446 | req->type = REQ_SENDFILE; |
1251 | req->fh = newSVsv (out_fh); |
1447 | req->fh = newSVsv (out_fh); |
1252 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1448 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1253 | req->fh2 = newSVsv (in_fh); |
1449 | req->sv2 = newSVsv (in_fh); |
1254 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1450 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1255 | req->offset = in_offset; |
1451 | req->offs = in_offset; |
1256 | req->length = length; |
1452 | req->size = length; |
1257 | |
1453 | |
1258 | REQ_SEND; |
1454 | REQ_SEND; |
1259 | } |
1455 | } |
1260 | |
1456 | |
1261 | void |
1457 | void |
… | |
… | |
1268 | PPCODE: |
1464 | PPCODE: |
1269 | { |
1465 | { |
1270 | dREQ; |
1466 | dREQ; |
1271 | |
1467 | |
1272 | req->type = REQ_READAHEAD; |
1468 | req->type = REQ_READAHEAD; |
1273 | req->fh = newSVsv (fh); |
1469 | req->fh = newSVsv (fh); |
1274 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1470 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1275 | req->offset = offset; |
1471 | req->offs = offset; |
1276 | req->length = length; |
1472 | req->size = length; |
1277 | |
1473 | |
1278 | REQ_SEND; |
1474 | REQ_SEND; |
1279 | } |
1475 | } |
1280 | |
1476 | |
1281 | void |
1477 | void |
… | |
… | |
1297 | } |
1493 | } |
1298 | |
1494 | |
1299 | if (SvPOK (fh_or_path)) |
1495 | if (SvPOK (fh_or_path)) |
1300 | { |
1496 | { |
1301 | req->type = ix; |
1497 | req->type = ix; |
1302 | req->data = newSVsv (fh_or_path); |
1498 | req->sv1 = newSVsv (fh_or_path); |
1303 | req->dataptr = SvPVbyte_nolen (req->data); |
1499 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
1304 | } |
1500 | } |
1305 | else |
1501 | else |
1306 | { |
1502 | { |
1307 | req->type = REQ_FSTAT; |
1503 | req->type = REQ_FSTAT; |
1308 | req->fh = newSVsv (fh_or_path); |
1504 | req->fh = newSVsv (fh_or_path); |
1309 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1505 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1310 | } |
1506 | } |
1311 | |
1507 | |
1312 | REQ_SEND; |
1508 | REQ_SEND; |
1313 | } |
1509 | } |
1314 | |
1510 | |
1315 | void |
1511 | void |
1316 | aio_unlink (pathname,callback=&PL_sv_undef) |
1512 | aio_unlink (pathname,callback=&PL_sv_undef) |
1317 | SV * pathname |
1513 | SV * pathname |
1318 | SV * callback |
1514 | SV * callback |
1319 | ALIAS: |
1515 | ALIAS: |
1320 | aio_unlink = REQ_UNLINK |
1516 | aio_unlink = REQ_UNLINK |
1321 | aio_rmdir = REQ_RMDIR |
1517 | aio_rmdir = REQ_RMDIR |
1322 | aio_readdir = REQ_READDIR |
1518 | aio_readdir = REQ_READDIR |
1323 | PPCODE: |
1519 | PPCODE: |
1324 | { |
1520 | { |
1325 | dREQ; |
1521 | dREQ; |
1326 | |
1522 | |
1327 | req->type = ix; |
1523 | req->type = ix; |
1328 | req->data = newSVsv (pathname); |
1524 | req->sv1 = newSVsv (pathname); |
1329 | req->dataptr = SvPVbyte_nolen (req->data); |
1525 | req->ptr1 = SvPVbyte_nolen (pathname); |
1330 | |
1526 | |
1331 | REQ_SEND; |
1527 | REQ_SEND; |
1332 | } |
1528 | } |
1333 | |
1529 | |
1334 | void |
1530 | void |
1335 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1531 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1336 | SV * oldpath |
1532 | SV * oldpath |
1337 | SV * newpath |
1533 | SV * newpath |
1338 | SV * callback |
1534 | SV * callback |
1339 | ALIAS: |
1535 | ALIAS: |
1340 | aio_link = REQ_LINK |
1536 | aio_link = REQ_LINK |
1341 | aio_symlink = REQ_SYMLINK |
1537 | aio_symlink = REQ_SYMLINK |
1342 | aio_rename = REQ_RENAME |
1538 | aio_rename = REQ_RENAME |
1343 | PPCODE: |
1539 | PPCODE: |
1344 | { |
1540 | { |
1345 | dREQ; |
1541 | dREQ; |
1346 | |
1542 | |
1347 | req->type = ix; |
1543 | req->type = ix; |
1348 | req->fh = newSVsv (oldpath); |
1544 | req->fh = newSVsv (oldpath); |
1349 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1545 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1350 | req->data = newSVsv (newpath); |
1546 | req->sv1 = newSVsv (newpath); |
1351 | req->dataptr = SvPVbyte_nolen (req->data); |
1547 | req->ptr1 = SvPVbyte_nolen (newpath); |
1352 | |
1548 | |
1353 | REQ_SEND; |
1549 | REQ_SEND; |
1354 | } |
1550 | } |
1355 | |
1551 | |
1356 | void |
1552 | void |
|
|
1553 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
|
|
1554 | SV * pathname |
|
|
1555 | SV * callback |
|
|
1556 | UV mode |
|
|
1557 | UV dev |
|
|
1558 | PPCODE: |
|
|
1559 | { |
|
|
1560 | dREQ; |
|
|
1561 | |
|
|
1562 | req->type = REQ_MKNOD; |
|
|
1563 | req->sv1 = newSVsv (pathname); |
|
|
1564 | req->ptr1 = SvPVbyte_nolen (pathname); |
|
|
1565 | req->mode = (mode_t)mode; |
|
|
1566 | req->offs = dev; |
|
|
1567 | |
|
|
1568 | REQ_SEND; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void |
1357 | aio_busy (delay,callback=&PL_sv_undef) |
1572 | aio_busy (delay,callback=&PL_sv_undef) |
1358 | double delay |
1573 | double delay |
1359 | SV * callback |
1574 | SV * callback |
1360 | PPCODE: |
1575 | PPCODE: |
1361 | { |
1576 | { |
1362 | dREQ; |
1577 | dREQ; |
1363 | |
1578 | |
1364 | req->type = REQ_BUSY; |
1579 | req->type = REQ_BUSY; |
1365 | req->fd = delay < 0. ? 0 : delay; |
1580 | req->int1 = delay < 0. ? 0 : delay; |
1366 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1581 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1367 | |
1582 | |
1368 | REQ_SEND; |
1583 | REQ_SEND; |
1369 | } |
1584 | } |
1370 | |
1585 | |
1371 | void |
1586 | void |
… | |
… | |
1375 | PPCODE: |
1590 | PPCODE: |
1376 | { |
1591 | { |
1377 | dREQ; |
1592 | dREQ; |
1378 | |
1593 | |
1379 | req->type = REQ_GROUP; |
1594 | req->type = REQ_GROUP; |
|
|
1595 | |
1380 | req_send (req); |
1596 | req_send (req); |
1381 | |
|
|
1382 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1597 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1383 | } |
1598 | } |
1384 | |
1599 | |
1385 | void |
1600 | void |
1386 | aio_nop (callback=&PL_sv_undef) |
1601 | aio_nop (callback=&PL_sv_undef) |
1387 | SV * callback |
1602 | SV * callback |
1388 | PPCODE: |
1603 | PPCODE: |
1389 | { |
1604 | { |
1390 | dREQ; |
1605 | dREQ; |
1391 | |
1606 | |
1392 | req->type = REQ_NOP; |
1607 | req->type = REQ_NOP; |
1393 | |
1608 | |
1394 | REQ_SEND; |
1609 | REQ_SEND; |
1395 | } |
1610 | } |
1396 | |
1611 | |
1397 | void |
1612 | int |
1398 | aioreq_pri (int pri = DEFAULT_PRI) |
1613 | aioreq_pri (int pri = 0) |
1399 | CODE: |
1614 | PROTOTYPE: ;$ |
|
|
1615 | CODE: |
|
|
1616 | RETVAL = next_pri - PRI_BIAS; |
|
|
1617 | if (items > 0) |
|
|
1618 | { |
1400 | if (pri < PRI_MIN) pri = PRI_MIN; |
1619 | if (pri < PRI_MIN) pri = PRI_MIN; |
1401 | if (pri > PRI_MAX) pri = PRI_MAX; |
1620 | if (pri > PRI_MAX) pri = PRI_MAX; |
1402 | next_pri = pri + PRI_BIAS; |
1621 | next_pri = pri + PRI_BIAS; |
|
|
1622 | } |
|
|
1623 | OUTPUT: |
|
|
1624 | RETVAL |
1403 | |
1625 | |
1404 | void |
1626 | void |
1405 | aioreq_nice (int nice = 0) |
1627 | aioreq_nice (int nice = 0) |
1406 | CODE: |
1628 | CODE: |
1407 | nice = next_pri - nice; |
1629 | nice = next_pri - nice; |
1408 | if (nice < PRI_MIN) nice = PRI_MIN; |
1630 | if (nice < PRI_MIN) nice = PRI_MIN; |
1409 | if (nice > PRI_MAX) nice = PRI_MAX; |
1631 | if (nice > PRI_MAX) nice = PRI_MAX; |
1410 | next_pri = nice + PRI_BIAS; |
1632 | next_pri = nice + PRI_BIAS; |
1411 | |
1633 | |
1412 | void |
1634 | void |
1413 | flush () |
1635 | flush () |
1414 | PROTOTYPE: |
1636 | PROTOTYPE: |
1415 | CODE: |
1637 | CODE: |
… | |
… | |
1439 | |
1661 | |
1440 | int |
1662 | int |
1441 | poll_cb(...) |
1663 | poll_cb(...) |
1442 | PROTOTYPE: |
1664 | PROTOTYPE: |
1443 | CODE: |
1665 | CODE: |
1444 | RETVAL = poll_cb (0); |
1666 | RETVAL = poll_cb (); |
1445 | OUTPUT: |
|
|
1446 | RETVAL |
|
|
1447 | |
|
|
1448 | int |
|
|
1449 | poll_some(int max = 0) |
|
|
1450 | PROTOTYPE: $ |
|
|
1451 | CODE: |
|
|
1452 | RETVAL = poll_cb (max); |
|
|
1453 | OUTPUT: |
1667 | OUTPUT: |
1454 | RETVAL |
1668 | RETVAL |
1455 | |
1669 | |
1456 | void |
1670 | void |
1457 | poll_wait() |
1671 | poll_wait() |
… | |
… | |
1466 | CODE: |
1680 | CODE: |
1467 | RETVAL = nreqs; |
1681 | RETVAL = nreqs; |
1468 | OUTPUT: |
1682 | OUTPUT: |
1469 | RETVAL |
1683 | RETVAL |
1470 | |
1684 | |
|
|
1685 | int |
|
|
1686 | nready() |
|
|
1687 | PROTOTYPE: |
|
|
1688 | CODE: |
|
|
1689 | RETVAL = get_nready (); |
|
|
1690 | OUTPUT: |
|
|
1691 | RETVAL |
|
|
1692 | |
|
|
1693 | int |
|
|
1694 | npending() |
|
|
1695 | PROTOTYPE: |
|
|
1696 | CODE: |
|
|
1697 | RETVAL = get_npending (); |
|
|
1698 | OUTPUT: |
|
|
1699 | RETVAL |
|
|
1700 | |
|
|
1701 | int |
|
|
1702 | nthreads() |
|
|
1703 | PROTOTYPE: |
|
|
1704 | CODE: |
|
|
1705 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1706 | RETVAL = started; |
|
|
1707 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1708 | OUTPUT: |
|
|
1709 | RETVAL |
|
|
1710 | |
1471 | PROTOTYPES: DISABLE |
1711 | PROTOTYPES: DISABLE |
1472 | |
1712 | |
1473 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1713 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1474 | |
1714 | |
1475 | void |
1715 | void |
… | |
… | |
1490 | PPCODE: |
1730 | PPCODE: |
1491 | { |
1731 | { |
1492 | int i; |
1732 | int i; |
1493 | aio_req req; |
1733 | aio_req req; |
1494 | |
1734 | |
1495 | if (grp->fd == 2) |
1735 | if (grp->int1 == 2) |
1496 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1736 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1497 | |
1737 | |
1498 | for (i = 1; i < items; ++i ) |
1738 | for (i = 1; i < items; ++i ) |
1499 | { |
1739 | { |
1500 | if (GIMME_V != G_VOID) |
1740 | if (GIMME_V != G_VOID) |
… | |
… | |
1502 | |
1742 | |
1503 | req = SvAIO_REQ (ST (i)); |
1743 | req = SvAIO_REQ (ST (i)); |
1504 | |
1744 | |
1505 | if (req) |
1745 | if (req) |
1506 | { |
1746 | { |
1507 | ++grp->length; |
1747 | ++grp->size; |
1508 | req->grp = grp; |
1748 | req->grp = grp; |
1509 | |
1749 | |
1510 | req->grp_prev = 0; |
1750 | req->grp_prev = 0; |
1511 | req->grp_next = grp->grp_first; |
1751 | req->grp_next = grp->grp_first; |
1512 | |
1752 | |
… | |
… | |
1526 | void |
1766 | void |
1527 | result (aio_req grp, ...) |
1767 | result (aio_req grp, ...) |
1528 | CODE: |
1768 | CODE: |
1529 | { |
1769 | { |
1530 | int i; |
1770 | int i; |
|
|
1771 | AV *av; |
|
|
1772 | |
|
|
1773 | grp->errorno = errno; |
|
|
1774 | |
1531 | AV *av = newAV (); |
1775 | av = newAV (); |
1532 | |
1776 | |
1533 | for (i = 1; i < items; ++i ) |
1777 | for (i = 1; i < items; ++i ) |
1534 | av_push (av, newSVsv (ST (i))); |
1778 | av_push (av, newSVsv (ST (i))); |
1535 | |
1779 | |
1536 | SvREFCNT_dec (grp->data); |
1780 | SvREFCNT_dec (grp->sv1); |
1537 | grp->data = (SV *)av; |
1781 | grp->sv1 = (SV *)av; |
1538 | } |
1782 | } |
|
|
1783 | |
|
|
1784 | void |
|
|
1785 | errno (aio_req grp, int errorno = errno) |
|
|
1786 | CODE: |
|
|
1787 | grp->errorno = errorno; |
1539 | |
1788 | |
1540 | void |
1789 | void |
1541 | limit (aio_req grp, int limit) |
1790 | limit (aio_req grp, int limit) |
1542 | CODE: |
1791 | CODE: |
1543 | grp->fd2 = limit; |
1792 | grp->int2 = limit; |
1544 | aio_grp_feed (grp); |
1793 | aio_grp_feed (grp); |
1545 | |
1794 | |
1546 | void |
1795 | void |
1547 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1796 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1548 | CODE: |
1797 | CODE: |
1549 | { |
1798 | { |
1550 | SvREFCNT_dec (grp->fh2); |
1799 | SvREFCNT_dec (grp->sv2); |
1551 | grp->fh2 = newSVsv (callback); |
1800 | grp->sv2 = newSVsv (callback); |
1552 | |
1801 | |
1553 | if (grp->fd2 <= 0) |
1802 | if (grp->int2 <= 0) |
1554 | grp->fd2 = 2; |
1803 | grp->int2 = 2; |
1555 | |
1804 | |
1556 | aio_grp_feed (grp); |
1805 | aio_grp_feed (grp); |
1557 | } |
1806 | } |
1558 | |
1807 | |