1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
|
|
3 | |
|
|
4 | #if __linux && !defined(_GNU_SOURCE) |
|
|
5 | # define _GNU_SOURCE |
|
|
6 | #endif |
|
|
7 | |
|
|
8 | /* just in case */ |
|
|
9 | #define _REENTRANT 1 |
|
|
10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "autoconf/config.h" |
18 | |
10 | |
19 | #include <pthread.h> |
|
|
20 | |
|
|
21 | #include <stddef.h> |
11 | #include <stddef.h> |
|
|
12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
14 | #include <sys/time.h> |
24 | #include <sys/select.h> |
15 | #include <sys/select.h> |
25 | #include <sys/types.h> |
16 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
… | |
… | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
42 | /* used for struct dirent, AIX doesn't provide it */ |
52 | #ifndef NAME_MAX |
43 | #ifndef NAME_MAX |
53 | # define NAME_MAX 4096 |
44 | # define NAME_MAX 4096 |
54 | #endif |
45 | #endif |
55 | |
46 | |
56 | #ifndef PTHREAD_STACK_MIN |
|
|
57 | /* care for broken platforms, e.g. windows */ |
|
|
58 | # define PTHREAD_STACK_MIN 16384 |
|
|
59 | #endif |
|
|
60 | |
|
|
61 | #if __ia64 |
|
|
62 | # define STACKSIZE 65536 |
|
|
63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
|
|
64 | # define STACKSIZE PTHREAD_STACK_MIN |
|
|
65 | #else |
|
|
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 |
|
|
79 | #endif |
|
|
80 | |
|
|
81 | /* buffer size for various temporary buffers */ |
47 | /* buffer size for various temporary buffers */ |
82 | #define AIO_BUFSIZE 65536 |
48 | #define AIO_BUFSIZE 65536 |
83 | |
49 | |
84 | #define dBUF \ |
50 | #define dBUF \ |
85 | char *aio_buf; \ |
51 | char *aio_buf; \ |
… | |
… | |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
53 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | UNLOCK (wrklock); \ |
54 | UNLOCK (wrklock); \ |
89 | if (!aio_buf) \ |
55 | if (!aio_buf) \ |
90 | return -1; |
56 | return -1; |
91 | |
57 | |
|
|
58 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
59 | |
92 | enum { |
60 | enum { |
93 | REQ_QUIT, |
61 | REQ_QUIT, |
94 | REQ_OPEN, REQ_CLOSE, |
62 | REQ_OPEN, REQ_CLOSE, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
63 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
96 | REQ_SENDFILE, |
64 | REQ_SENDFILE, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
65 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
66 | REQ_FSYNC, REQ_FDATASYNC, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
67 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
100 | REQ_MKNOD, REQ_READDIR, |
68 | REQ_MKNOD, REQ_READDIR, |
101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
69 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
102 | REQ_GROUP, REQ_NOP, |
70 | REQ_GROUP, REQ_NOP, |
103 | REQ_BUSY, |
71 | REQ_BUSY, |
104 | }; |
72 | }; |
… | |
… | |
111 | struct aio_cb *volatile next; |
79 | struct aio_cb *volatile next; |
112 | |
80 | |
113 | SV *callback, *fh; |
81 | SV *callback, *fh; |
114 | SV *sv1, *sv2; |
82 | SV *sv1, *sv2; |
115 | void *ptr1, *ptr2; |
83 | void *ptr1, *ptr2; |
116 | Stat_t *statdata; |
|
|
117 | off_t offs; |
84 | off_t offs; |
118 | size_t size; |
85 | size_t size; |
119 | ssize_t result; |
86 | ssize_t result; |
120 | |
87 | |
121 | STRLEN stroffset; |
88 | STRLEN stroffset; |
… | |
… | |
130 | SV *self; /* the perl counterpart of this request, if any */ |
97 | SV *self; /* the perl counterpart of this request, if any */ |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
98 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
132 | } aio_cb; |
99 | } aio_cb; |
133 | |
100 | |
134 | enum { |
101 | enum { |
135 | FLAG_CANCELLED = 0x01, |
102 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
136 | FLAG_DATA_RO_OFF = 0x80, /* data was set readonly */ |
103 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
|
|
104 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
137 | }; |
105 | }; |
138 | |
106 | |
139 | typedef aio_cb *aio_req; |
107 | typedef aio_cb *aio_req; |
140 | typedef aio_cb *aio_req_ornot; |
108 | typedef aio_cb *aio_req_ornot; |
141 | |
109 | |
… | |
… | |
158 | { |
126 | { |
159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
127 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
128 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
161 | } |
129 | } |
162 | |
130 | |
|
|
131 | static thread_t main_tid; |
|
|
132 | static int main_sig; |
|
|
133 | static int block_sig_level; |
|
|
134 | |
|
|
135 | void block_sig () |
|
|
136 | { |
|
|
137 | sigset_t ss; |
|
|
138 | |
|
|
139 | if (block_sig_level++) |
|
|
140 | return; |
|
|
141 | |
|
|
142 | if (!main_sig) |
|
|
143 | return; |
|
|
144 | |
|
|
145 | sigemptyset (&ss); |
|
|
146 | sigaddset (&ss, main_sig); |
|
|
147 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
|
|
148 | } |
|
|
149 | |
|
|
150 | void unblock_sig () |
|
|
151 | { |
|
|
152 | sigset_t ss; |
|
|
153 | |
|
|
154 | if (--block_sig_level) |
|
|
155 | return; |
|
|
156 | |
|
|
157 | if (!main_sig) |
|
|
158 | return; |
|
|
159 | |
|
|
160 | sigemptyset (&ss); |
|
|
161 | sigaddset (&ss, main_sig); |
|
|
162 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
|
|
163 | } |
|
|
164 | |
163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
164 | |
166 | |
165 | static unsigned int started, idle, wanted; |
167 | static unsigned int started, idle, wanted; |
166 | |
168 | |
167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
|
|
168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
|
|
169 | #else |
|
|
170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
171 | #endif |
|
|
172 | |
|
|
173 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
|
|
174 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
|
|
175 | |
|
|
176 | /* worker threads management */ |
169 | /* worker threads management */ |
177 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
170 | static mutex_t wrklock = MUTEX_INIT; |
178 | |
171 | |
179 | typedef struct worker { |
172 | typedef struct worker { |
180 | /* locked by wrklock */ |
173 | /* locked by wrklock */ |
181 | struct worker *prev, *next; |
174 | struct worker *prev, *next; |
182 | |
175 | |
183 | pthread_t tid; |
176 | thread_t tid; |
184 | |
177 | |
185 | /* locked by reslock, reqlock or wrklock */ |
178 | /* locked by reslock, reqlock or wrklock */ |
186 | aio_req req; /* currently processed request */ |
179 | aio_req req; /* currently processed request */ |
187 | void *dbuf; |
180 | void *dbuf; |
188 | DIR *dirp; |
181 | DIR *dirp; |
… | |
… | |
216 | static volatile unsigned int nreqs, nready, npending; |
209 | static volatile unsigned int nreqs, nready, npending; |
217 | static volatile unsigned int max_idle = 4; |
210 | static volatile unsigned int max_idle = 4; |
218 | static volatile unsigned int max_outstanding = 0xffffffff; |
211 | static volatile unsigned int max_outstanding = 0xffffffff; |
219 | static int respipe [2]; |
212 | static int respipe [2]; |
220 | |
213 | |
221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
214 | static mutex_t reslock = MUTEX_INIT; |
222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
215 | static mutex_t reqlock = MUTEX_INIT; |
223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
216 | static cond_t reqwait = COND_INIT; |
224 | |
217 | |
225 | #if WORDACCESS_UNSAFE |
218 | #if WORDACCESS_UNSAFE |
226 | |
219 | |
227 | static unsigned int get_nready () |
220 | static unsigned int get_nready () |
228 | { |
221 | { |
… | |
… | |
318 | |
311 | |
319 | abort (); |
312 | abort (); |
320 | } |
313 | } |
321 | |
314 | |
322 | static int poll_cb (); |
315 | static int poll_cb (); |
323 | static void req_invoke (aio_req req); |
316 | static int req_invoke (aio_req req); |
324 | static void req_free (aio_req req); |
317 | static void req_free (aio_req req); |
325 | static void req_cancel (aio_req req); |
318 | static void req_cancel (aio_req req); |
326 | |
319 | |
327 | /* must be called at most once */ |
320 | /* must be called at most once */ |
328 | static SV *req_sv (aio_req req, const char *klass) |
321 | static SV *req_sv (aio_req req, const char *klass) |
… | |
… | |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
341 | return mg ? (aio_req)mg->mg_ptr : 0; |
349 | } |
342 | } |
350 | |
343 | |
351 | static void aio_grp_feed (aio_req grp) |
344 | static void aio_grp_feed (aio_req grp) |
352 | { |
345 | { |
|
|
346 | block_sig (); |
|
|
347 | |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
348 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
354 | { |
349 | { |
355 | int old_len = grp->size; |
350 | int old_len = grp->size; |
356 | |
351 | |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
352 | if (grp->sv2 && SvOK (grp->sv2)) |
… | |
… | |
375 | SvREFCNT_dec (grp->sv2); |
370 | SvREFCNT_dec (grp->sv2); |
376 | grp->sv2 = 0; |
371 | grp->sv2 = 0; |
377 | break; |
372 | break; |
378 | } |
373 | } |
379 | } |
374 | } |
|
|
375 | |
|
|
376 | unblock_sig (); |
380 | } |
377 | } |
381 | |
378 | |
382 | static void aio_grp_dec (aio_req grp) |
379 | static void aio_grp_dec (aio_req grp) |
383 | { |
380 | { |
384 | --grp->size; |
381 | --grp->size; |
… | |
… | |
387 | aio_grp_feed (grp); |
384 | aio_grp_feed (grp); |
388 | |
385 | |
389 | /* finish, if done */ |
386 | /* finish, if done */ |
390 | if (!grp->size && grp->int1) |
387 | if (!grp->size && grp->int1) |
391 | { |
388 | { |
|
|
389 | block_sig (); |
|
|
390 | |
392 | req_invoke (grp); |
391 | if (!req_invoke (grp)) |
|
|
392 | { |
|
|
393 | req_free (grp); |
|
|
394 | unblock_sig (); |
|
|
395 | croak (0); |
|
|
396 | } |
|
|
397 | |
393 | req_free (grp); |
398 | req_free (grp); |
|
|
399 | unblock_sig (); |
394 | } |
400 | } |
395 | } |
401 | } |
396 | |
402 | |
397 | static void req_invoke (aio_req req) |
403 | static int req_invoke (aio_req req) |
398 | { |
404 | { |
399 | dSP; |
405 | dSP; |
400 | |
406 | |
401 | if (req->flags & FLAG_DATA_RO_OFF) |
407 | if (req->flags & FLAG_SV1_RO_OFF) |
402 | SvREADONLY_off (req->sv1); |
408 | 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 | |
409 | |
411 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
410 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
412 | { |
411 | { |
413 | ENTER; |
412 | ENTER; |
414 | SAVETMPS; |
413 | SAVETMPS; |
… | |
… | |
452 | PUSHs (sv_2mortal (newSViv (req->result))); |
451 | PUSHs (sv_2mortal (newSViv (req->result))); |
453 | PUTBACK; |
452 | PUTBACK; |
454 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
453 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
455 | SPAGAIN; |
454 | SPAGAIN; |
456 | |
455 | |
457 | fh = SvREFCNT_inc (POPs); |
456 | fh = POPs; |
458 | |
|
|
459 | PUSHMARK (SP); |
457 | PUSHMARK (SP); |
460 | XPUSHs (sv_2mortal (fh)); |
458 | XPUSHs (fh); |
461 | } |
459 | } |
462 | break; |
460 | break; |
463 | |
461 | |
464 | case REQ_GROUP: |
462 | case REQ_GROUP: |
465 | req->int1 = 2; /* mark group as finished */ |
463 | req->int1 = 2; /* mark group as finished */ |
… | |
… | |
486 | *SvEND (req->sv1) = 0; |
484 | *SvEND (req->sv1) = 0; |
487 | PUSHs (req->sv1); |
485 | PUSHs (req->sv1); |
488 | } |
486 | } |
489 | break; |
487 | break; |
490 | |
488 | |
|
|
489 | case REQ_STAT: |
|
|
490 | case REQ_LSTAT: |
|
|
491 | case REQ_FSTAT: |
|
|
492 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
493 | PL_laststatval = req->result; |
|
|
494 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
495 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
496 | break; |
|
|
497 | |
491 | case REQ_READ: |
498 | case REQ_READ: |
492 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
499 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
493 | *SvEND (req->sv1) = 0; |
500 | *SvEND (req->sv1) = 0; |
494 | /* fall through */ |
501 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
502 | break; |
|
|
503 | |
495 | default: |
504 | default: |
496 | PUSHs (sv_2mortal (newSViv (req->result))); |
505 | PUSHs (sv_2mortal (newSViv (req->result))); |
497 | break; |
506 | break; |
498 | } |
507 | } |
499 | |
508 | |
… | |
… | |
519 | grp->grp_first = req->grp_next; |
528 | grp->grp_first = req->grp_next; |
520 | |
529 | |
521 | aio_grp_dec (grp); |
530 | aio_grp_dec (grp); |
522 | } |
531 | } |
523 | |
532 | |
524 | if (SvTRUE (ERRSV)) |
533 | return !SvTRUE (ERRSV); |
525 | { |
|
|
526 | req_free (req); |
|
|
527 | croak (0); |
|
|
528 | } |
|
|
529 | } |
534 | } |
530 | |
535 | |
531 | static void req_free (aio_req req) |
536 | static void req_free (aio_req req) |
532 | { |
537 | { |
533 | if (req->self) |
538 | if (req->self) |
… | |
… | |
538 | |
543 | |
539 | SvREFCNT_dec (req->fh); |
544 | SvREFCNT_dec (req->fh); |
540 | SvREFCNT_dec (req->sv1); |
545 | SvREFCNT_dec (req->sv1); |
541 | SvREFCNT_dec (req->sv2); |
546 | SvREFCNT_dec (req->sv2); |
542 | SvREFCNT_dec (req->callback); |
547 | SvREFCNT_dec (req->callback); |
543 | Safefree (req->statdata); |
|
|
544 | |
548 | |
545 | if (req->type == REQ_READDIR) |
549 | if (req->flags & FLAG_PTR2_FREE) |
546 | free (req->ptr2); |
550 | free (req->ptr2); |
547 | |
551 | |
548 | Safefree (req); |
552 | Safefree (req); |
549 | } |
553 | } |
550 | |
554 | |
… | |
… | |
571 | |
575 | |
572 | static void *aio_proc(void *arg); |
576 | static void *aio_proc(void *arg); |
573 | |
577 | |
574 | static void start_thread (void) |
578 | static void start_thread (void) |
575 | { |
579 | { |
576 | sigset_t fullsigset, oldsigset; |
|
|
577 | pthread_attr_t attr; |
|
|
578 | |
|
|
579 | worker *wrk = calloc (1, sizeof (worker)); |
580 | worker *wrk = calloc (1, sizeof (worker)); |
580 | |
581 | |
581 | if (!wrk) |
582 | if (!wrk) |
582 | croak ("unable to allocate worker thread data"); |
583 | croak ("unable to allocate worker thread data"); |
583 | |
584 | |
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); |
585 | LOCK (wrklock); |
594 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
595 | |
586 | |
596 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
587 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
597 | { |
588 | { |
598 | wrk->prev = &wrk_first; |
589 | wrk->prev = &wrk_first; |
599 | wrk->next = wrk_first.next; |
590 | wrk->next = wrk_first.next; |
600 | wrk_first.next->prev = wrk; |
591 | wrk_first.next->prev = wrk; |
601 | wrk_first.next = wrk; |
592 | wrk_first.next = wrk; |
602 | ++started; |
593 | ++started; |
603 | } |
594 | } |
604 | else |
595 | else |
605 | free (wrk); |
596 | free (wrk); |
606 | |
597 | |
607 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
608 | UNLOCK (wrklock); |
598 | UNLOCK (wrklock); |
609 | } |
599 | } |
610 | |
600 | |
611 | static void maybe_start_thread () |
601 | static void maybe_start_thread () |
612 | { |
602 | { |
… | |
… | |
620 | start_thread (); |
610 | start_thread (); |
621 | } |
611 | } |
622 | |
612 | |
623 | static void req_send (aio_req req) |
613 | static void req_send (aio_req req) |
624 | { |
614 | { |
|
|
615 | block_sig (); |
|
|
616 | |
625 | ++nreqs; |
617 | ++nreqs; |
626 | |
618 | |
627 | LOCK (reqlock); |
619 | LOCK (reqlock); |
628 | ++nready; |
620 | ++nready; |
629 | reqq_push (&req_queue, req); |
621 | reqq_push (&req_queue, req); |
630 | pthread_cond_signal (&reqwait); |
622 | COND_SIGNAL (reqwait); |
631 | UNLOCK (reqlock); |
623 | UNLOCK (reqlock); |
|
|
624 | |
|
|
625 | unblock_sig (); |
632 | |
626 | |
633 | maybe_start_thread (); |
627 | maybe_start_thread (); |
634 | } |
628 | } |
635 | |
629 | |
636 | static void end_thread (void) |
630 | static void end_thread (void) |
… | |
… | |
642 | req->type = REQ_QUIT; |
636 | req->type = REQ_QUIT; |
643 | req->pri = PRI_MAX + PRI_BIAS; |
637 | req->pri = PRI_MAX + PRI_BIAS; |
644 | |
638 | |
645 | LOCK (reqlock); |
639 | LOCK (reqlock); |
646 | reqq_push (&req_queue, req); |
640 | reqq_push (&req_queue, req); |
647 | pthread_cond_signal (&reqwait); |
641 | COND_SIGNAL (reqwait); |
648 | UNLOCK (reqlock); |
642 | UNLOCK (reqlock); |
649 | |
643 | |
650 | LOCK (wrklock); |
644 | LOCK (wrklock); |
651 | --started; |
645 | --started; |
652 | UNLOCK (wrklock); |
646 | UNLOCK (wrklock); |
… | |
… | |
707 | aio_req req; |
701 | aio_req req; |
708 | |
702 | |
709 | if (max_poll_time) |
703 | if (max_poll_time) |
710 | gettimeofday (&tv_start, 0); |
704 | gettimeofday (&tv_start, 0); |
711 | |
705 | |
|
|
706 | block_sig (); |
|
|
707 | |
712 | for (;;) |
708 | for (;;) |
713 | { |
709 | { |
714 | for (;;) |
710 | for (;;) |
715 | { |
711 | { |
716 | maybe_start_thread (); |
712 | maybe_start_thread (); |
… | |
… | |
723 | --npending; |
719 | --npending; |
724 | |
720 | |
725 | if (!res_queue.size) |
721 | if (!res_queue.size) |
726 | { |
722 | { |
727 | /* read any signals sent by the worker threads */ |
723 | /* read any signals sent by the worker threads */ |
728 | char buf [32]; |
724 | char buf [4]; |
729 | while (read (respipe [0], buf, 32) == 32) |
725 | while (read (respipe [0], buf, 4) == 4) |
730 | ; |
726 | ; |
731 | } |
727 | } |
732 | } |
728 | } |
733 | |
729 | |
734 | UNLOCK (reslock); |
730 | UNLOCK (reslock); |
… | |
… | |
743 | req->int1 = 1; /* mark request as delayed */ |
739 | req->int1 = 1; /* mark request as delayed */ |
744 | continue; |
740 | continue; |
745 | } |
741 | } |
746 | else |
742 | else |
747 | { |
743 | { |
748 | req_invoke (req); |
744 | if (!req_invoke (req)) |
|
|
745 | { |
|
|
746 | req_free (req); |
|
|
747 | unblock_sig (); |
|
|
748 | croak (0); |
|
|
749 | } |
749 | |
750 | |
750 | count++; |
751 | count++; |
751 | } |
752 | } |
752 | |
753 | |
753 | req_free (req); |
754 | req_free (req); |
… | |
… | |
770 | poll_wait (); |
771 | poll_wait (); |
771 | |
772 | |
772 | ++maxreqs; |
773 | ++maxreqs; |
773 | } |
774 | } |
774 | |
775 | |
|
|
776 | unblock_sig (); |
775 | return count; |
777 | return count; |
776 | } |
778 | } |
777 | |
779 | |
778 | static void create_pipe () |
780 | static void create_pipe () |
779 | { |
781 | { |
… | |
… | |
797 | /* |
799 | /* |
798 | * make our pread/pwrite safe against themselves, but not against |
800 | * make our pread/pwrite safe against themselves, but not against |
799 | * normal read/write by using a mutex. slows down execution a lot, |
801 | * normal read/write by using a mutex. slows down execution a lot, |
800 | * but that's your problem, not mine. |
802 | * but that's your problem, not mine. |
801 | */ |
803 | */ |
802 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
804 | static mutex_t preadwritelock = MUTEX_INIT; |
803 | |
805 | |
804 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
806 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
805 | { |
807 | { |
806 | ssize_t res; |
808 | ssize_t res; |
807 | off_t ooffset; |
809 | off_t ooffset; |
… | |
… | |
858 | #endif |
860 | #endif |
859 | |
861 | |
860 | #if !HAVE_READDIR_R |
862 | #if !HAVE_READDIR_R |
861 | # define readdir_r aio_readdir_r |
863 | # define readdir_r aio_readdir_r |
862 | |
864 | |
863 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
865 | static mutex_t readdirlock = MUTEX_INIT; |
864 | |
866 | |
865 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
867 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
866 | { |
868 | { |
867 | struct dirent *e; |
869 | struct dirent *e; |
868 | int errorno; |
870 | int errorno; |
… | |
… | |
997 | int errorno; |
999 | int errorno; |
998 | |
1000 | |
999 | LOCK (wrklock); |
1001 | LOCK (wrklock); |
1000 | self->dirp = dirp = opendir (req->ptr1); |
1002 | self->dirp = dirp = opendir (req->ptr1); |
1001 | self->dbuf = u = malloc (sizeof (*u)); |
1003 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1004 | req->flags |= FLAG_PTR2_FREE; |
1002 | req->ptr2 = names = malloc (memlen); |
1005 | req->ptr2 = names = malloc (memlen); |
1003 | UNLOCK (wrklock); |
1006 | UNLOCK (wrklock); |
1004 | |
1007 | |
1005 | if (dirp && u && names) |
1008 | if (dirp && u && names) |
1006 | for (;;) |
1009 | for (;;) |
… | |
… | |
1066 | if (req) |
1069 | if (req) |
1067 | break; |
1070 | break; |
1068 | |
1071 | |
1069 | ++idle; |
1072 | ++idle; |
1070 | |
1073 | |
1071 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
1074 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
1072 | == ETIMEDOUT) |
1075 | == ETIMEDOUT) |
1073 | { |
1076 | { |
1074 | if (idle > max_idle) |
1077 | if (idle > max_idle) |
1075 | { |
1078 | { |
1076 | --idle; |
1079 | --idle; |
… | |
… | |
1080 | UNLOCK (wrklock); |
1083 | UNLOCK (wrklock); |
1081 | goto quit; |
1084 | goto quit; |
1082 | } |
1085 | } |
1083 | |
1086 | |
1084 | /* we are allowed to idle, so do so without any timeout */ |
1087 | /* we are allowed to idle, so do so without any timeout */ |
1085 | pthread_cond_wait (&reqwait, &reqlock); |
1088 | COND_WAIT (reqwait, reqlock); |
1086 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1089 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1087 | } |
1090 | } |
1088 | |
1091 | |
1089 | --idle; |
1092 | --idle; |
1090 | } |
1093 | } |
… | |
… | |
1102 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1105 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1103 | |
1106 | |
1104 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1107 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1105 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1108 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1106 | |
1109 | |
1107 | case REQ_STAT: req->result = stat (req->ptr1, req->statdata); break; |
1110 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1108 | case REQ_LSTAT: req->result = lstat (req->ptr1, req->statdata); break; |
1111 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1109 | case REQ_FSTAT: req->result = fstat (req->int1, req->statdata); break; |
1112 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1110 | |
1113 | |
1111 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1114 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1112 | case REQ_CLOSE: req->result = close (req->int1); break; |
1115 | case REQ_CLOSE: req->result = close (req->int1); break; |
1113 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1116 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1114 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1117 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1118 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1115 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1119 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1116 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1120 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1117 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1121 | 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; |
1122 | 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; |
1123 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
… | |
… | |
1149 | LOCK (reslock); |
1153 | LOCK (reslock); |
1150 | |
1154 | |
1151 | ++npending; |
1155 | ++npending; |
1152 | |
1156 | |
1153 | if (!reqq_push (&res_queue, req)) |
1157 | if (!reqq_push (&res_queue, req)) |
|
|
1158 | { |
1154 | /* write a dummy byte to the pipe so fh becomes ready */ |
1159 | /* write a dummy byte to the pipe so fh becomes ready */ |
1155 | write (respipe [1], &respipe, 1); |
1160 | write (respipe [1], &respipe, 1); |
|
|
1161 | |
|
|
1162 | /* optionally signal the main thread asynchronously */ |
|
|
1163 | if (main_sig) |
|
|
1164 | pthread_kill (main_tid, main_sig); |
|
|
1165 | } |
1156 | |
1166 | |
1157 | self->req = 0; |
1167 | self->req = 0; |
1158 | worker_clear (self); |
1168 | worker_clear (self); |
1159 | |
1169 | |
1160 | UNLOCK (reslock); |
1170 | UNLOCK (reslock); |
… | |
… | |
1263 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1273 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1264 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1274 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1265 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1275 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1266 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1276 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1267 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1277 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1278 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1268 | |
1279 | |
1269 | create_pipe (); |
1280 | create_pipe (); |
1270 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1281 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1271 | } |
1282 | } |
1272 | |
1283 | |
1273 | void |
1284 | void |
1274 | max_poll_reqs (int nreqs) |
1285 | max_poll_reqs (int nreqs) |
1275 | PROTOTYPE: $ |
1286 | PROTOTYPE: $ |
… | |
… | |
1305 | OUTPUT: |
1316 | OUTPUT: |
1306 | RETVAL |
1317 | RETVAL |
1307 | |
1318 | |
1308 | void |
1319 | void |
1309 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1320 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1310 | SV * pathname |
1321 | SV8 * pathname |
1311 | int flags |
1322 | int flags |
1312 | int mode |
1323 | int mode |
1313 | SV * callback |
1324 | SV * callback |
1314 | PROTOTYPE: $$$;$ |
1325 | PROTOTYPE: $$$;$ |
1315 | PPCODE: |
1326 | PPCODE: |
1316 | { |
1327 | { |
1317 | dREQ; |
1328 | dREQ; |
1318 | |
1329 | |
1319 | req->type = REQ_OPEN; |
1330 | req->type = REQ_OPEN; |
1320 | req->sv1 = newSVsv (pathname); |
1331 | req->sv1 = newSVsv (pathname); |
1321 | req->ptr1 = SvPVbyte_nolen (pathname); |
1332 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1322 | req->int1 = flags; |
1333 | req->int1 = flags; |
1323 | req->mode = mode; |
1334 | req->mode = mode; |
1324 | |
1335 | |
1325 | REQ_SEND; |
1336 | REQ_SEND; |
1326 | } |
1337 | } |
… | |
… | |
1348 | void |
1359 | void |
1349 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1360 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1350 | SV * fh |
1361 | SV * fh |
1351 | UV offset |
1362 | UV offset |
1352 | UV length |
1363 | UV length |
1353 | SV * data |
1364 | SV8 * data |
1354 | UV dataoffset |
1365 | UV dataoffset |
1355 | SV * callback |
1366 | SV * callback |
1356 | ALIAS: |
1367 | ALIAS: |
1357 | aio_read = REQ_READ |
1368 | aio_read = REQ_READ |
1358 | aio_write = REQ_WRITE |
1369 | aio_write = REQ_WRITE |
… | |
… | |
1378 | length = svlen - dataoffset; |
1389 | length = svlen - dataoffset; |
1379 | } |
1390 | } |
1380 | else |
1391 | else |
1381 | { |
1392 | { |
1382 | /* read: grow scalar as necessary */ |
1393 | /* read: grow scalar as necessary */ |
1383 | svptr = SvGROW (data, length + dataoffset); |
1394 | svptr = SvGROW (data, length + dataoffset + 1); |
1384 | } |
1395 | } |
1385 | |
1396 | |
1386 | if (length < 0) |
1397 | if (length < 0) |
1387 | croak ("length must not be negative"); |
1398 | croak ("length must not be negative"); |
1388 | |
1399 | |
… | |
… | |
1400 | req->stroffset = dataoffset; |
1411 | req->stroffset = dataoffset; |
1401 | |
1412 | |
1402 | if (!SvREADONLY (data)) |
1413 | if (!SvREADONLY (data)) |
1403 | { |
1414 | { |
1404 | SvREADONLY_on (data); |
1415 | SvREADONLY_on (data); |
1405 | req->flags |= FLAG_DATA_RO_OFF; |
1416 | req->flags |= FLAG_SV1_RO_OFF; |
1406 | } |
1417 | } |
1407 | |
1418 | |
1408 | REQ_SEND; |
1419 | REQ_SEND; |
1409 | } |
1420 | } |
1410 | } |
1421 | } |
1411 | |
1422 | |
1412 | void |
1423 | void |
1413 | aio_readlink (path,callback=&PL_sv_undef) |
1424 | aio_readlink (path,callback=&PL_sv_undef) |
1414 | SV * path |
1425 | SV8 * path |
1415 | SV * callback |
1426 | SV * callback |
1416 | PROTOTYPE: $$;$ |
1427 | PROTOTYPE: $$;$ |
1417 | PPCODE: |
1428 | PPCODE: |
1418 | { |
1429 | { |
1419 | SV *data; |
1430 | SV *data; |
… | |
… | |
1422 | data = newSV (NAME_MAX); |
1433 | data = newSV (NAME_MAX); |
1423 | SvPOK_on (data); |
1434 | SvPOK_on (data); |
1424 | |
1435 | |
1425 | req->type = REQ_READLINK; |
1436 | req->type = REQ_READLINK; |
1426 | req->fh = newSVsv (path); |
1437 | req->fh = newSVsv (path); |
1427 | req->ptr2 = SvPVbyte_nolen (path); |
1438 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1428 | req->sv1 = data; |
1439 | req->sv1 = data; |
1429 | req->ptr1 = SvPVbyte_nolen (data); |
1440 | req->ptr1 = SvPVbyte_nolen (data); |
1430 | |
1441 | |
1431 | REQ_SEND; |
1442 | REQ_SEND; |
1432 | } |
1443 | } |
… | |
… | |
1474 | REQ_SEND; |
1485 | REQ_SEND; |
1475 | } |
1486 | } |
1476 | |
1487 | |
1477 | void |
1488 | void |
1478 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1489 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1479 | SV * fh_or_path |
1490 | SV8 * fh_or_path |
1480 | SV * callback |
1491 | SV * callback |
1481 | ALIAS: |
1492 | ALIAS: |
1482 | aio_stat = REQ_STAT |
1493 | aio_stat = REQ_STAT |
1483 | aio_lstat = REQ_LSTAT |
1494 | aio_lstat = REQ_LSTAT |
1484 | PPCODE: |
1495 | PPCODE: |
1485 | { |
1496 | { |
1486 | dREQ; |
1497 | dREQ; |
1487 | |
1498 | |
1488 | New (0, req->statdata, 1, Stat_t); |
1499 | req->ptr2 = malloc (sizeof (Stat_t)); |
1489 | if (!req->statdata) |
1500 | if (!req->ptr2) |
1490 | { |
1501 | { |
1491 | req_free (req); |
1502 | req_free (req); |
1492 | croak ("out of memory during aio_req->statdata allocation"); |
1503 | croak ("out of memory during aio_stat statdata allocation"); |
1493 | } |
1504 | } |
|
|
1505 | |
|
|
1506 | req->flags |= FLAG_PTR2_FREE; |
1494 | |
1507 | |
1495 | if (SvPOK (fh_or_path)) |
1508 | if (SvPOK (fh_or_path)) |
1496 | { |
1509 | { |
1497 | req->type = ix; |
1510 | req->type = ix; |
1498 | req->sv1 = newSVsv (fh_or_path); |
1511 | req->sv1 = newSVsv (fh_or_path); |
1499 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
1512 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1500 | } |
1513 | } |
1501 | else |
1514 | else |
1502 | { |
1515 | { |
1503 | req->type = REQ_FSTAT; |
1516 | req->type = REQ_FSTAT; |
1504 | req->fh = newSVsv (fh_or_path); |
1517 | req->fh = newSVsv (fh_or_path); |
… | |
… | |
1508 | REQ_SEND; |
1521 | REQ_SEND; |
1509 | } |
1522 | } |
1510 | |
1523 | |
1511 | void |
1524 | void |
1512 | aio_unlink (pathname,callback=&PL_sv_undef) |
1525 | aio_unlink (pathname,callback=&PL_sv_undef) |
1513 | SV * pathname |
1526 | SV8 * pathname |
1514 | SV * callback |
1527 | SV * callback |
1515 | ALIAS: |
1528 | ALIAS: |
1516 | aio_unlink = REQ_UNLINK |
1529 | aio_unlink = REQ_UNLINK |
1517 | aio_rmdir = REQ_RMDIR |
1530 | aio_rmdir = REQ_RMDIR |
1518 | aio_readdir = REQ_READDIR |
1531 | aio_readdir = REQ_READDIR |
… | |
… | |
1520 | { |
1533 | { |
1521 | dREQ; |
1534 | dREQ; |
1522 | |
1535 | |
1523 | req->type = ix; |
1536 | req->type = ix; |
1524 | req->sv1 = newSVsv (pathname); |
1537 | req->sv1 = newSVsv (pathname); |
1525 | req->ptr1 = SvPVbyte_nolen (pathname); |
1538 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1539 | |
|
|
1540 | REQ_SEND; |
|
|
1541 | } |
|
|
1542 | |
|
|
1543 | void |
|
|
1544 | aio_mkdir (pathname,mode,callback=&PL_sv_undef) |
|
|
1545 | SV8 * pathname |
|
|
1546 | UV mode |
|
|
1547 | SV * callback |
|
|
1548 | PPCODE: |
|
|
1549 | { |
|
|
1550 | dREQ; |
1526 | |
1551 | |
|
|
1552 | req->type = REQ_MKDIR; |
|
|
1553 | req->sv1 = newSVsv (pathname); |
|
|
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1555 | req->mode = mode; |
|
|
1556 | |
1527 | REQ_SEND; |
1557 | REQ_SEND; |
1528 | } |
1558 | } |
1529 | |
1559 | |
1530 | void |
1560 | void |
1531 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1561 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1532 | SV * oldpath |
1562 | SV8 * oldpath |
1533 | SV * newpath |
1563 | SV8 * newpath |
1534 | SV * callback |
1564 | SV * callback |
1535 | ALIAS: |
1565 | ALIAS: |
1536 | aio_link = REQ_LINK |
1566 | aio_link = REQ_LINK |
1537 | aio_symlink = REQ_SYMLINK |
1567 | aio_symlink = REQ_SYMLINK |
1538 | aio_rename = REQ_RENAME |
1568 | aio_rename = REQ_RENAME |
… | |
… | |
1542 | |
1572 | |
1543 | req->type = ix; |
1573 | req->type = ix; |
1544 | req->fh = newSVsv (oldpath); |
1574 | req->fh = newSVsv (oldpath); |
1545 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1575 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1546 | req->sv1 = newSVsv (newpath); |
1576 | req->sv1 = newSVsv (newpath); |
1547 | req->ptr1 = SvPVbyte_nolen (newpath); |
1577 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1548 | |
1578 | |
1549 | REQ_SEND; |
1579 | REQ_SEND; |
1550 | } |
1580 | } |
1551 | |
1581 | |
1552 | void |
1582 | void |
1553 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1583 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1554 | SV * pathname |
1584 | SV8 * pathname |
1555 | SV * callback |
|
|
1556 | UV mode |
1585 | UV mode |
1557 | UV dev |
1586 | UV dev |
|
|
1587 | SV * callback |
1558 | PPCODE: |
1588 | PPCODE: |
1559 | { |
1589 | { |
1560 | dREQ; |
1590 | dREQ; |
1561 | |
1591 | |
1562 | req->type = REQ_MKNOD; |
1592 | req->type = REQ_MKNOD; |
1563 | req->sv1 = newSVsv (pathname); |
1593 | req->sv1 = newSVsv (pathname); |
1564 | req->ptr1 = SvPVbyte_nolen (pathname); |
1594 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1565 | req->mode = (mode_t)mode; |
1595 | req->mode = (mode_t)mode; |
1566 | req->offs = dev; |
1596 | req->offs = dev; |
1567 | |
1597 | |
1568 | REQ_SEND; |
1598 | REQ_SEND; |
1569 | } |
1599 | } |
… | |
… | |
1636 | PROTOTYPE: |
1666 | PROTOTYPE: |
1637 | CODE: |
1667 | CODE: |
1638 | while (nreqs) |
1668 | while (nreqs) |
1639 | { |
1669 | { |
1640 | poll_wait (); |
1670 | poll_wait (); |
1641 | poll_cb (0); |
1671 | poll_cb (); |
1642 | } |
1672 | } |
1643 | |
1673 | |
1644 | void |
1674 | int |
1645 | poll() |
1675 | poll() |
1646 | PROTOTYPE: |
1676 | PROTOTYPE: |
1647 | CODE: |
1677 | CODE: |
1648 | if (nreqs) |
|
|
1649 | { |
|
|
1650 | poll_wait (); |
1678 | poll_wait (); |
1651 | poll_cb (0); |
1679 | RETVAL = poll_cb (); |
1652 | } |
1680 | OUTPUT: |
|
|
1681 | RETVAL |
1653 | |
1682 | |
1654 | int |
1683 | int |
1655 | poll_fileno() |
1684 | poll_fileno() |
1656 | PROTOTYPE: |
1685 | PROTOTYPE: |
1657 | CODE: |
1686 | CODE: |
… | |
… | |
1669 | |
1698 | |
1670 | void |
1699 | void |
1671 | poll_wait() |
1700 | poll_wait() |
1672 | PROTOTYPE: |
1701 | PROTOTYPE: |
1673 | CODE: |
1702 | CODE: |
1674 | if (nreqs) |
|
|
1675 | poll_wait (); |
1703 | poll_wait (); |
|
|
1704 | |
|
|
1705 | void |
|
|
1706 | setsig (int signum = SIGIO) |
|
|
1707 | PROTOTYPE: ;$ |
|
|
1708 | CODE: |
|
|
1709 | { |
|
|
1710 | if (block_sig_level) |
|
|
1711 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1712 | |
|
|
1713 | LOCK (reslock); |
|
|
1714 | main_tid = pthread_self (); |
|
|
1715 | main_sig = signum; |
|
|
1716 | UNLOCK (reslock); |
|
|
1717 | |
|
|
1718 | if (main_sig && npending) |
|
|
1719 | pthread_kill (main_tid, main_sig); |
|
|
1720 | } |
|
|
1721 | |
|
|
1722 | void |
|
|
1723 | aio_block (SV *cb) |
|
|
1724 | PROTOTYPE: & |
|
|
1725 | PPCODE: |
|
|
1726 | { |
|
|
1727 | int count; |
|
|
1728 | |
|
|
1729 | block_sig (); |
|
|
1730 | PUSHMARK (SP); |
|
|
1731 | PUTBACK; |
|
|
1732 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1733 | SPAGAIN; |
|
|
1734 | unblock_sig (); |
|
|
1735 | |
|
|
1736 | if (SvTRUE (ERRSV)) |
|
|
1737 | croak (0); |
|
|
1738 | |
|
|
1739 | XSRETURN (count); |
|
|
1740 | } |
1676 | |
1741 | |
1677 | int |
1742 | int |
1678 | nreqs() |
1743 | nreqs() |
1679 | PROTOTYPE: |
1744 | PROTOTYPE: |
1680 | CODE: |
1745 | CODE: |
… | |
… | |
1730 | PPCODE: |
1795 | PPCODE: |
1731 | { |
1796 | { |
1732 | int i; |
1797 | int i; |
1733 | aio_req req; |
1798 | aio_req req; |
1734 | |
1799 | |
|
|
1800 | if (main_sig && !block_sig_level) |
|
|
1801 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1802 | |
1735 | if (grp->int1 == 2) |
1803 | if (grp->int1 == 2) |
1736 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1804 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1737 | |
1805 | |
1738 | for (i = 1; i < items; ++i ) |
1806 | for (i = 1; i < items; ++i ) |
1739 | { |
1807 | { |