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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.91 by root, Wed Nov 8 01:57:43 2006 UTC vs.
Revision 1.99 by root, Fri Jun 1 05:51:21 2007 UTC

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>
27#include <limits.h> 18#include <limits.h>
28#include <unistd.h> 19#include <unistd.h>
29#include <fcntl.h> 20#include <fcntl.h>
30#include <signal.h> 21#include <signal.h>
31#include <sched.h> 22#include <sched.h>
23#include <utime.h>
32 24
33#if HAVE_SENDFILE 25#if HAVE_SENDFILE
34# if __linux 26# if __linux
35# include <sys/sendfile.h> 27# include <sys/sendfile.h>
36# elif __freebsd 28# elif __freebsd
… …
51/* used for struct dirent, AIX doesn't provide it */ 43/* used for struct dirent, AIX doesn't provide it */
52#ifndef NAME_MAX 44#ifndef NAME_MAX
53# define NAME_MAX 4096 45# define NAME_MAX 4096
54#endif 46#endif
55 47
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 */ 48/* buffer size for various temporary buffers */
82#define AIO_BUFSIZE 65536 49#define AIO_BUFSIZE 65536
83 50
84#define dBUF \ 51#define dBUF \
85 char *aio_buf; \ 52 char *aio_buf; \
… …
95 REQ_QUIT, 62 REQ_QUIT,
96 REQ_OPEN, REQ_CLOSE, 63 REQ_OPEN, REQ_CLOSE,
97 REQ_READ, REQ_WRITE, REQ_READAHEAD, 64 REQ_READ, REQ_WRITE, REQ_READAHEAD,
98 REQ_SENDFILE, 65 REQ_SENDFILE,
99 REQ_STAT, REQ_LSTAT, REQ_FSTAT, 66 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
67 REQ_UTIME, REQ_FUTIME, /* must be consecutive */
68 REQ_CHMOD, REQ_FCHMOD, /* must be consecutive */
69 REQ_CHOWN, REQ_FCHOWN, /* must be consecutive */
100 REQ_FSYNC, REQ_FDATASYNC, 70 REQ_FSYNC, REQ_FDATASYNC,
101 REQ_UNLINK, REQ_RMDIR, REQ_RENAME, 71 REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
102 REQ_MKNOD, REQ_READDIR, 72 REQ_MKNOD, REQ_READDIR,
103 REQ_LINK, REQ_SYMLINK, REQ_READLINK, 73 REQ_LINK, REQ_SYMLINK, REQ_READLINK,
104 REQ_GROUP, REQ_NOP, 74 REQ_GROUP, REQ_NOP,
105 REQ_BUSY, 75 REQ_BUSY,
106}; 76};
… …
110 80
111typedef struct aio_cb 81typedef struct aio_cb
112{ 82{
113 struct aio_cb *volatile next; 83 struct aio_cb *volatile next;
114 84
115 SV *callback, *fh; 85 SV *callback;
116 SV *sv1, *sv2; 86 SV *sv1, *sv2;
117 void *ptr1, *ptr2; 87 void *ptr1, *ptr2;
118 off_t offs; 88 off_t offs;
119 size_t size; 89 size_t size;
120 ssize_t result; 90 ssize_t result;
91 double nv1, nv2;
121 92
122 STRLEN stroffset; 93 STRLEN stroffset;
123 int type; 94 int type;
124 int int1, int2; 95 int int1, int2, int3;
125 int errorno; 96 int errorno;
126 mode_t mode; /* open */ 97 mode_t mode; /* open */
127 98
128 unsigned char flags; 99 unsigned char flags;
129 unsigned char pri; 100 unsigned char pri;
… …
160{ 131{
161 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS 132 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
162 + ((tv2->tv_usec - tv1->tv_usec) >> 10); 133 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
163} 134}
164 135
136static thread_t main_tid;
137static int main_sig;
138static int block_sig_level;
139
140void block_sig ()
141{
142 sigset_t ss;
143
144 if (block_sig_level++)
145 return;
146
147 if (!main_sig)
148 return;
149
150 sigemptyset (&ss);
151 sigaddset (&ss, main_sig);
152 pthread_sigmask (SIG_BLOCK, &ss, 0);
153}
154
155void unblock_sig ()
156{
157 sigset_t ss;
158
159 if (--block_sig_level)
160 return;
161
162 if (!main_sig)
163 return;
164
165 sigemptyset (&ss);
166 sigaddset (&ss, main_sig);
167 pthread_sigmask (SIG_UNBLOCK, &ss, 0);
168}
169
165static int next_pri = DEFAULT_PRI + PRI_BIAS; 170static int next_pri = DEFAULT_PRI + PRI_BIAS;
166 171
167static unsigned int started, idle, wanted; 172static unsigned int started, idle, wanted;
168 173
169#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
170# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
171#else
172# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
173#endif
174
175#define LOCK(mutex) pthread_mutex_lock (&(mutex))
176#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
177
178/* worker threads management */ 174/* worker threads management */
179static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 175static mutex_t wrklock = MUTEX_INIT;
180 176
181typedef struct worker { 177typedef struct worker {
182 /* locked by wrklock */ 178 /* locked by wrklock */
183 struct worker *prev, *next; 179 struct worker *prev, *next;
184 180
185 pthread_t tid; 181 thread_t tid;
186 182
187 /* locked by reslock, reqlock or wrklock */ 183 /* locked by reslock, reqlock or wrklock */
188 aio_req req; /* currently processed request */ 184 aio_req req; /* currently processed request */
189 void *dbuf; 185 void *dbuf;
190 DIR *dirp; 186 DIR *dirp;
… …
218static volatile unsigned int nreqs, nready, npending; 214static volatile unsigned int nreqs, nready, npending;
219static volatile unsigned int max_idle = 4; 215static volatile unsigned int max_idle = 4;
220static volatile unsigned int max_outstanding = 0xffffffff; 216static volatile unsigned int max_outstanding = 0xffffffff;
221static int respipe [2]; 217static int respipe [2];
222 218
223static pthread_mutex_t reslock = AIO_MUTEX_INIT; 219static mutex_t reslock = MUTEX_INIT;
224static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 220static mutex_t reqlock = MUTEX_INIT;
225static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 221static cond_t reqwait = COND_INIT;
226 222
227#if WORDACCESS_UNSAFE 223#if WORDACCESS_UNSAFE
228 224
229static unsigned int get_nready () 225static unsigned int get_nready ()
230{ 226{
… …
320 316
321 abort (); 317 abort ();
322} 318}
323 319
324static int poll_cb (); 320static int poll_cb ();
325static void req_invoke (aio_req req); 321static int req_invoke (aio_req req);
326static void req_free (aio_req req); 322static void req_free (aio_req req);
327static void req_cancel (aio_req req); 323static void req_cancel (aio_req req);
328 324
329/* must be called at most once */ 325/* must be called at most once */
330static SV *req_sv (aio_req req, const char *klass) 326static SV *req_sv (aio_req req, const char *klass)
… …
350 return mg ? (aio_req)mg->mg_ptr : 0; 346 return mg ? (aio_req)mg->mg_ptr : 0;
351} 347}
352 348
353static void aio_grp_feed (aio_req grp) 349static void aio_grp_feed (aio_req grp)
354{ 350{
351 block_sig ();
352
355 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) 353 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))
356 { 354 {
357 int old_len = grp->size; 355 int old_len = grp->size;
358 356
359 if (grp->sv2 && SvOK (grp->sv2)) 357 if (grp->sv2 && SvOK (grp->sv2))
… …
377 SvREFCNT_dec (grp->sv2); 375 SvREFCNT_dec (grp->sv2);
378 grp->sv2 = 0; 376 grp->sv2 = 0;
379 break; 377 break;
380 } 378 }
381 } 379 }
380
381 unblock_sig ();
382} 382}
383 383
384static void aio_grp_dec (aio_req grp) 384static void aio_grp_dec (aio_req grp)
385{ 385{
386 --grp->size; 386 --grp->size;
… …
389 aio_grp_feed (grp); 389 aio_grp_feed (grp);
390 390
391 /* finish, if done */ 391 /* finish, if done */
392 if (!grp->size && grp->int1) 392 if (!grp->size && grp->int1)
393 { 393 {
394 block_sig ();
395
394 req_invoke (grp); 396 if (!req_invoke (grp))
397 {
398 req_free (grp);
399 unblock_sig ();
400 croak (0);
401 }
402
395 req_free (grp); 403 req_free (grp);
404 unblock_sig ();
396 } 405 }
397} 406}
398 407
399static void req_invoke (aio_req req) 408static int req_invoke (aio_req req)
400{ 409{
401 dSP; 410 dSP;
402 411
403 if (req->flags & FLAG_SV1_RO_OFF) 412 if (req->flags & FLAG_SV1_RO_OFF)
404 SvREADONLY_off (req->sv1); 413 SvREADONLY_off (req->sv1);
… …
447 PUSHs (sv_2mortal (newSViv (req->result))); 456 PUSHs (sv_2mortal (newSViv (req->result)));
448 PUTBACK; 457 PUTBACK;
449 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 458 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
450 SPAGAIN; 459 SPAGAIN;
451 460
452 fh = SvREFCNT_inc (POPs); 461 fh = POPs;
453
454 PUSHMARK (SP); 462 PUSHMARK (SP);
455 XPUSHs (sv_2mortal (fh)); 463 XPUSHs (fh);
456 } 464 }
457 break; 465 break;
458 466
459 case REQ_GROUP: 467 case REQ_GROUP:
460 req->int1 = 2; /* mark group as finished */ 468 req->int1 = 2; /* mark group as finished */
… …
475 break; 483 break;
476 484
477 case REQ_READLINK: 485 case REQ_READLINK:
478 if (req->result > 0) 486 if (req->result > 0)
479 { 487 {
480 SvCUR_set (req->sv1, req->result); 488 SvCUR_set (req->sv2, req->result);
481 *SvEND (req->sv1) = 0; 489 *SvEND (req->sv2) = 0;
482 PUSHs (req->sv1); 490 PUSHs (req->sv2);
483 } 491 }
484 break; 492 break;
485 493
486 case REQ_STAT: 494 case REQ_STAT:
487 case REQ_LSTAT: 495 case REQ_LSTAT:
… …
491 PL_statcache = *(Stat_t *)(req->ptr2); 499 PL_statcache = *(Stat_t *)(req->ptr2);
492 PUSHs (sv_2mortal (newSViv (req->result))); 500 PUSHs (sv_2mortal (newSViv (req->result)));
493 break; 501 break;
494 502
495 case REQ_READ: 503 case REQ_READ:
496 SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); 504 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
497 *SvEND (req->sv1) = 0; 505 *SvEND (req->sv2) = 0;
498 PUSHs (sv_2mortal (newSViv (req->result))); 506 PUSHs (sv_2mortal (newSViv (req->result)));
499 break; 507 break;
500 508
501 default: 509 default:
502 PUSHs (sv_2mortal (newSViv (req->result))); 510 PUSHs (sv_2mortal (newSViv (req->result)));
… …
525 grp->grp_first = req->grp_next; 533 grp->grp_first = req->grp_next;
526 534
527 aio_grp_dec (grp); 535 aio_grp_dec (grp);
528 } 536 }
529 537
530 if (SvTRUE (ERRSV)) 538 return !SvTRUE (ERRSV);
531 {
532 req_free (req);
533 croak (0);
534 }
535} 539}
536 540
537static void req_free (aio_req req) 541static void req_free (aio_req req)
538{ 542{
539 if (req->self) 543 if (req->self)
540 { 544 {
541 sv_unmagic (req->self, PERL_MAGIC_ext); 545 sv_unmagic (req->self, PERL_MAGIC_ext);
542 SvREFCNT_dec (req->self); 546 SvREFCNT_dec (req->self);
543 } 547 }
544 548
545 SvREFCNT_dec (req->fh);
546 SvREFCNT_dec (req->sv1); 549 SvREFCNT_dec (req->sv1);
547 SvREFCNT_dec (req->sv2); 550 SvREFCNT_dec (req->sv2);
548 SvREFCNT_dec (req->callback); 551 SvREFCNT_dec (req->callback);
549 552
550 if (req->flags & FLAG_PTR2_FREE) 553 if (req->flags & FLAG_PTR2_FREE)
… …
576 579
577static void *aio_proc(void *arg); 580static void *aio_proc(void *arg);
578 581
579static void start_thread (void) 582static void start_thread (void)
580{ 583{
581 sigset_t fullsigset, oldsigset;
582 pthread_attr_t attr;
583
584 worker *wrk = calloc (1, sizeof (worker)); 584 worker *wrk = calloc (1, sizeof (worker));
585 585
586 if (!wrk) 586 if (!wrk)
587 croak ("unable to allocate worker thread data"); 587 croak ("unable to allocate worker thread data");
588 588
589 pthread_attr_init (&attr);
590 pthread_attr_setstacksize (&attr, STACKSIZE);
591 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
592#ifdef PTHREAD_SCOPE_PROCESS
593 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
594#endif
595
596 sigfillset (&fullsigset);
597
598 LOCK (wrklock); 589 LOCK (wrklock);
599 sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
600 590
601 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 591 if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
602 { 592 {
603 wrk->prev = &wrk_first; 593 wrk->prev = &wrk_first;
604 wrk->next = wrk_first.next; 594 wrk->next = wrk_first.next;
605 wrk_first.next->prev = wrk; 595 wrk_first.next->prev = wrk;
606 wrk_first.next = wrk; 596 wrk_first.next = wrk;
607 ++started; 597 ++started;
608 } 598 }
609 else 599 else
610 free (wrk); 600 free (wrk);
611 601
612 sigprocmask (SIG_SETMASK, &oldsigset, 0);
613 UNLOCK (wrklock); 602 UNLOCK (wrklock);
614} 603}
615 604
616static void maybe_start_thread () 605static void maybe_start_thread ()
617{ 606{
… …
625 start_thread (); 614 start_thread ();
626} 615}
627 616
628static void req_send (aio_req req) 617static void req_send (aio_req req)
629{ 618{
619 block_sig ();
620
630 ++nreqs; 621 ++nreqs;
631 622
632 LOCK (reqlock); 623 LOCK (reqlock);
633 ++nready; 624 ++nready;
634 reqq_push (&req_queue, req); 625 reqq_push (&req_queue, req);
635 pthread_cond_signal (&reqwait); 626 COND_SIGNAL (reqwait);
636 UNLOCK (reqlock); 627 UNLOCK (reqlock);
628
629 unblock_sig ();
637 630
638 maybe_start_thread (); 631 maybe_start_thread ();
639} 632}
640 633
641static void end_thread (void) 634static void end_thread (void)
… …
647 req->type = REQ_QUIT; 640 req->type = REQ_QUIT;
648 req->pri = PRI_MAX + PRI_BIAS; 641 req->pri = PRI_MAX + PRI_BIAS;
649 642
650 LOCK (reqlock); 643 LOCK (reqlock);
651 reqq_push (&req_queue, req); 644 reqq_push (&req_queue, req);
652 pthread_cond_signal (&reqwait); 645 COND_SIGNAL (reqwait);
653 UNLOCK (reqlock); 646 UNLOCK (reqlock);
654 647
655 LOCK (wrklock); 648 LOCK (wrklock);
656 --started; 649 --started;
657 UNLOCK (wrklock); 650 UNLOCK (wrklock);
… …
712 aio_req req; 705 aio_req req;
713 706
714 if (max_poll_time) 707 if (max_poll_time)
715 gettimeofday (&tv_start, 0); 708 gettimeofday (&tv_start, 0);
716 709
710 block_sig ();
711
717 for (;;) 712 for (;;)
718 { 713 {
719 for (;;) 714 for (;;)
720 { 715 {
721 maybe_start_thread (); 716 maybe_start_thread ();
… …
728 --npending; 723 --npending;
729 724
730 if (!res_queue.size) 725 if (!res_queue.size)
731 { 726 {
732 /* read any signals sent by the worker threads */ 727 /* read any signals sent by the worker threads */
733 char buf [32]; 728 char buf [4];
734 while (read (respipe [0], buf, 32) == 32) 729 while (read (respipe [0], buf, 4) == 4)
735 ; 730 ;
736 } 731 }
737 } 732 }
738 733
739 UNLOCK (reslock); 734 UNLOCK (reslock);
… …
748 req->int1 = 1; /* mark request as delayed */ 743 req->int1 = 1; /* mark request as delayed */
749 continue; 744 continue;
750 } 745 }
751 else 746 else
752 { 747 {
753 req_invoke (req); 748 if (!req_invoke (req))
749 {
750 req_free (req);
751 unblock_sig ();
752 croak (0);
753 }
754 754
755 count++; 755 count++;
756 } 756 }
757 757
758 req_free (req); 758 req_free (req);
… …
775 poll_wait (); 775 poll_wait ();
776 776
777 ++maxreqs; 777 ++maxreqs;
778 } 778 }
779 779
780 unblock_sig ();
780 return count; 781 return count;
781} 782}
782 783
783static void create_pipe () 784static void create_pipe ()
784{ 785{
… …
802/* 803/*
803 * make our pread/pwrite safe against themselves, but not against 804 * make our pread/pwrite safe against themselves, but not against
804 * normal read/write by using a mutex. slows down execution a lot, 805 * normal read/write by using a mutex. slows down execution a lot,
805 * but that's your problem, not mine. 806 * but that's your problem, not mine.
806 */ 807 */
807static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 808static mutex_t preadwritelock = MUTEX_INIT;
808 809
809static ssize_t pread (int fd, void *buf, size_t count, off_t offset) 810static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
810{ 811{
811 ssize_t res; 812 ssize_t res;
812 off_t ooffset; 813 off_t ooffset;
… …
835 836
836 return res; 837 return res;
837} 838}
838#endif 839#endif
839 840
841#ifndef HAVE_FUTIMES
842
843# define utimes(path,times) aio_utimes (path, times)
844# define futimes(fd,times) aio_futimes (fd, times)
845
846int aio_utimes (const char *filename, const struct timeval times[2])
847{
848 if (times)
849 {
850 struct utimbuf buf;
851
852 buf.actime = times[0].tv_sec;
853 buf.modtime = times[1].tv_sec;
854
855 return utime (filename, &buf);
856 }
857 else
858 return utime (filename, 0);
859}
860
861int aio_futimes (int fd, const struct timeval tv[2])
862{
863 errno = ENOSYS;
864 return -1;
865}
866
867#endif
868
840#if !HAVE_FDATASYNC 869#if !HAVE_FDATASYNC
841# define fdatasync fsync 870# define fdatasync fsync
842#endif 871#endif
843 872
844#if !HAVE_READAHEAD 873#if !HAVE_READAHEAD
… …
863#endif 892#endif
864 893
865#if !HAVE_READDIR_R 894#if !HAVE_READDIR_R
866# define readdir_r aio_readdir_r 895# define readdir_r aio_readdir_r
867 896
868static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 897static mutex_t readdirlock = MUTEX_INIT;
869 898
870static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 899static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
871{ 900{
872 struct dirent *e; 901 struct dirent *e;
873 int errorno; 902 int errorno;
… …
1072 if (req) 1101 if (req)
1073 break; 1102 break;
1074 1103
1075 ++idle; 1104 ++idle;
1076 1105
1077 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 1106 if (COND_TIMEDWAIT (reqwait, reqlock, ts)
1078 == ETIMEDOUT) 1107 == ETIMEDOUT)
1079 { 1108 {
1080 if (idle > max_idle) 1109 if (idle > max_idle)
1081 { 1110 {
1082 --idle; 1111 --idle;
… …
1086 UNLOCK (wrklock); 1115 UNLOCK (wrklock);
1087 goto quit; 1116 goto quit;
1088 } 1117 }
1089 1118
1090 /* we are allowed to idle, so do so without any timeout */ 1119 /* we are allowed to idle, so do so without any timeout */
1091 pthread_cond_wait (&reqwait, &reqlock); 1120 COND_WAIT (reqwait, reqlock);
1092 ts.tv_sec = time (0) + IDLE_TIMEOUT; 1121 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1093 } 1122 }
1094 1123
1095 --idle; 1124 --idle;
1096 } 1125 }
… …
1112 1141
1113 case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; 1142 case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1114 case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; 1143 case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1115 case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; 1144 case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
1116 1145
1146 case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
1147 case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
1148 case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break;
1149 case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break;
1150
1117 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; 1151 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1118 case REQ_CLOSE: req->result = close (req->int1); break; 1152 case REQ_CLOSE: req->result = close (req->int1); break;
1119 case REQ_UNLINK: req->result = unlink (req->ptr1); break; 1153 case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1120 case REQ_RMDIR: req->result = rmdir (req->ptr1); break; 1154 case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
1155 case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;
1121 case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; 1156 case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1122 case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; 1157 case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1123 case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; 1158 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; 1159 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; 1160 case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;
… …
1130 1165
1131 case REQ_BUSY: 1166 case REQ_BUSY:
1132 { 1167 {
1133 struct timeval tv; 1168 struct timeval tv;
1134 1169
1135 tv.tv_sec = req->int1; 1170 tv.tv_sec = req->nv1;
1136 tv.tv_usec = req->int2; 1171 tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.;
1137 1172
1138 req->result = select (0, 0, 0, 0, &tv); 1173 req->result = select (0, 0, 0, 0, &tv);
1174 }
1175
1176 case REQ_UTIME:
1177 case REQ_FUTIME:
1178 {
1179 struct timeval tv[2];
1180 struct timeval *times;
1181
1182 if (req->nv1 != -1. || req->nv2 != -1.)
1183 {
1184 tv[0].tv_sec = req->nv1;
1185 tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
1186 tv[1].tv_sec = req->nv2;
1187 tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
1188
1189 times = tv;
1190 }
1191 else
1192 times = 0;
1193
1194
1195 req->result = req->type == REQ_FUTIME
1196 ? futimes (req->int1, times)
1197 : utimes (req->ptr1, times);
1139 } 1198 }
1140 1199
1141 case REQ_GROUP: 1200 case REQ_GROUP:
1142 case REQ_NOP: 1201 case REQ_NOP:
1143 break; 1202 break;
1144 1203
1145 case REQ_QUIT: 1204 case REQ_QUIT:
1146 goto quit; 1205 goto quit;
1147 1206
1148 default: 1207 default:
1149 req->result = ENOSYS; 1208 req->result = -1;
1150 break; 1209 break;
1151 } 1210 }
1152 1211
1153 req->errorno = errno; 1212 req->errorno = errno;
1154 1213
1155 LOCK (reslock); 1214 LOCK (reslock);
1156 1215
1157 ++npending; 1216 ++npending;
1158 1217
1159 if (!reqq_push (&res_queue, req)) 1218 if (!reqq_push (&res_queue, req))
1219 {
1160 /* write a dummy byte to the pipe so fh becomes ready */ 1220 /* write a dummy byte to the pipe so fh becomes ready */
1161 write (respipe [1], &respipe, 1); 1221 write (respipe [1], &respipe, 1);
1222
1223 /* optionally signal the main thread asynchronously */
1224 if (main_sig)
1225 pthread_kill (main_tid, main_sig);
1226 }
1162 1227
1163 self->req = 0; 1228 self->req = 0;
1164 worker_clear (self); 1229 worker_clear (self);
1165 1230
1166 UNLOCK (reslock); 1231 UNLOCK (reslock);
… …
1269 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1334 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
1270 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1335 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1271 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1336 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1272 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1337 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
1273 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1338 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
1339 newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
1274 1340
1275 create_pipe (); 1341 create_pipe ();
1276 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1342 ATFORK (atfork_prepare, atfork_parent, atfork_child);
1277} 1343}
1278 1344
1279void 1345void
1280max_poll_reqs (int nreqs) 1346max_poll_reqs (int nreqs)
1281 PROTOTYPE: $ 1347 PROTOTYPE: $
… …
1310 max_outstanding = maxreqs; 1376 max_outstanding = maxreqs;
1311 OUTPUT: 1377 OUTPUT:
1312 RETVAL 1378 RETVAL
1313 1379
1314void 1380void
1315aio_open (pathname,flags,mode,callback=&PL_sv_undef) 1381aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
1316 SV8 * pathname
1317 int flags
1318 int mode
1319 SV * callback
1320 PROTOTYPE: $$$;$ 1382 PROTOTYPE: $$$;$
1321 PPCODE: 1383 PPCODE:
1322{ 1384{
1323 dREQ; 1385 dREQ;
1324 1386
… …
1330 1392
1331 REQ_SEND; 1393 REQ_SEND;
1332} 1394}
1333 1395
1334void 1396void
1335aio_close (fh,callback=&PL_sv_undef) 1397aio_close (SV *fh, SV *callback=&PL_sv_undef)
1336 SV * fh
1337 SV * callback
1338 PROTOTYPE: $;$ 1398 PROTOTYPE: $;$
1339 ALIAS: 1399 ALIAS:
1340 aio_close = REQ_CLOSE 1400 aio_close = REQ_CLOSE
1341 aio_fsync = REQ_FSYNC 1401 aio_fsync = REQ_FSYNC
1342 aio_fdatasync = REQ_FDATASYNC 1402 aio_fdatasync = REQ_FDATASYNC
1343 PPCODE: 1403 PPCODE:
1344{ 1404{
1345 dREQ; 1405 dREQ;
1346 1406
1347 req->type = ix; 1407 req->type = ix;
1348 req->fh = newSVsv (fh); 1408 req->sv1 = newSVsv (fh);
1349 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1409 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1350 1410
1351 REQ_SEND (req); 1411 REQ_SEND (req);
1352} 1412}
1353 1413
1354void 1414void
1355aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 1415aio_read (SV *fh, UV offset, UV length, SV8 *data, UV dataoffset, SV *callback=&PL_sv_undef)
1356 SV * fh
1357 UV offset
1358 UV length
1359 SV8 * data
1360 UV dataoffset
1361 SV * callback
1362 ALIAS: 1416 ALIAS:
1363 aio_read = REQ_READ 1417 aio_read = REQ_READ
1364 aio_write = REQ_WRITE 1418 aio_write = REQ_WRITE
1365 PROTOTYPE: $$$$$;$ 1419 PROTOTYPE: $$$$$;$
1366 PPCODE: 1420 PPCODE:
… …
1384 length = svlen - dataoffset; 1438 length = svlen - dataoffset;
1385 } 1439 }
1386 else 1440 else
1387 { 1441 {
1388 /* read: grow scalar as necessary */ 1442 /* read: grow scalar as necessary */
1389 svptr = SvGROW (data, length + dataoffset); 1443 svptr = SvGROW (data, length + dataoffset + 1);
1390 } 1444 }
1391 1445
1392 if (length < 0) 1446 if (length < 0)
1393 croak ("length must not be negative"); 1447 croak ("length must not be negative");
1394 1448
1395 { 1449 {
1396 dREQ; 1450 dREQ;
1397 1451
1398 req->type = ix; 1452 req->type = ix;
1399 req->fh = newSVsv (fh); 1453 req->sv1 = newSVsv (fh);
1400 req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) 1454 req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
1401 : IoOFP (sv_2io (fh))); 1455 : IoOFP (sv_2io (fh)));
1402 req->offs = offset; 1456 req->offs = offset;
1403 req->size = length; 1457 req->size = length;
1404 req->sv1 = SvREFCNT_inc (data); 1458 req->sv2 = SvREFCNT_inc (data);
1405 req->ptr1 = (char *)svptr + dataoffset; 1459 req->ptr1 = (char *)svptr + dataoffset;
1406 req->stroffset = dataoffset; 1460 req->stroffset = dataoffset;
1407 1461
1408 if (!SvREADONLY (data)) 1462 if (!SvREADONLY (data))
1409 { 1463 {
… …
1414 REQ_SEND; 1468 REQ_SEND;
1415 } 1469 }
1416} 1470}
1417 1471
1418void 1472void
1419aio_readlink (path,callback=&PL_sv_undef) 1473aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
1420 SV8 * path
1421 SV * callback
1422 PROTOTYPE: $$;$ 1474 PROTOTYPE: $$;$
1423 PPCODE: 1475 PPCODE:
1424{ 1476{
1425 SV *data; 1477 SV *data;
1426 dREQ; 1478 dREQ;
1427 1479
1428 data = newSV (NAME_MAX); 1480 data = newSV (NAME_MAX);
1429 SvPOK_on (data); 1481 SvPOK_on (data);
1430 1482
1431 req->type = REQ_READLINK; 1483 req->type = REQ_READLINK;
1432 req->fh = newSVsv (path); 1484 req->sv1 = newSVsv (path);
1433 req->ptr2 = SvPVbyte_nolen (req->fh); 1485 req->ptr2 = SvPVbyte_nolen (req->sv1);
1434 req->sv1 = data; 1486 req->sv2 = data;
1435 req->ptr1 = SvPVbyte_nolen (data); 1487 req->ptr1 = SvPVbyte_nolen (data);
1436 1488
1437 REQ_SEND; 1489 REQ_SEND;
1438} 1490}
1439 1491
1440void 1492void
1441aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1493aio_sendfile (SV *out_fh, SV *in_fh, UV in_offset, UV length, SV *callback=&PL_sv_undef)
1442 SV * out_fh
1443 SV * in_fh
1444 UV in_offset
1445 UV length
1446 SV * callback
1447 PROTOTYPE: $$$$;$ 1494 PROTOTYPE: $$$$;$
1448 PPCODE: 1495 PPCODE:
1449{ 1496{
1450 dREQ; 1497 dREQ;
1451 1498
1452 req->type = REQ_SENDFILE; 1499 req->type = REQ_SENDFILE;
1453 req->fh = newSVsv (out_fh); 1500 req->sv1 = newSVsv (out_fh);
1454 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1501 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1455 req->sv2 = newSVsv (in_fh); 1502 req->sv2 = newSVsv (in_fh);
1456 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1503 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1457 req->offs = in_offset; 1504 req->offs = in_offset;
1458 req->size = length; 1505 req->size = length;
1459 1506
1460 REQ_SEND; 1507 REQ_SEND;
1461} 1508}
1462 1509
1463void 1510void
1464aio_readahead (fh,offset,length,callback=&PL_sv_undef) 1511aio_readahead (SV *fh, UV offset, IV length, SV *callback=&PL_sv_undef)
1465 SV * fh
1466 UV offset
1467 IV length
1468 SV * callback
1469 PROTOTYPE: $$$;$ 1512 PROTOTYPE: $$$;$
1470 PPCODE: 1513 PPCODE:
1471{ 1514{
1472 dREQ; 1515 dREQ;
1473 1516
1474 req->type = REQ_READAHEAD; 1517 req->type = REQ_READAHEAD;
1475 req->fh = newSVsv (fh); 1518 req->sv1 = newSVsv (fh);
1476 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1519 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1477 req->offs = offset; 1520 req->offs = offset;
1478 req->size = length; 1521 req->size = length;
1479 1522
1480 REQ_SEND; 1523 REQ_SEND;
1481} 1524}
1482 1525
1483void 1526void
1484aio_stat (fh_or_path,callback=&PL_sv_undef) 1527aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
1485 SV8 * fh_or_path
1486 SV * callback
1487 ALIAS: 1528 ALIAS:
1488 aio_stat = REQ_STAT 1529 aio_stat = REQ_STAT
1489 aio_lstat = REQ_LSTAT 1530 aio_lstat = REQ_LSTAT
1490 PPCODE: 1531 PPCODE:
1491{ 1532{
… …
1497 req_free (req); 1538 req_free (req);
1498 croak ("out of memory during aio_stat statdata allocation"); 1539 croak ("out of memory during aio_stat statdata allocation");
1499 } 1540 }
1500 1541
1501 req->flags |= FLAG_PTR2_FREE; 1542 req->flags |= FLAG_PTR2_FREE;
1543 req->sv1 = newSVsv (fh_or_path);
1502 1544
1503 if (SvPOK (fh_or_path)) 1545 if (SvPOK (fh_or_path))
1504 { 1546 {
1505 req->type = ix; 1547 req->type = ix;
1506 req->sv1 = newSVsv (fh_or_path);
1507 req->ptr1 = SvPVbyte_nolen (req->sv1); 1548 req->ptr1 = SvPVbyte_nolen (req->sv1);
1508 } 1549 }
1509 else 1550 else
1510 { 1551 {
1511 req->type = REQ_FSTAT; 1552 req->type = REQ_FSTAT;
1512 req->fh = newSVsv (fh_or_path);
1513 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1553 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1514 } 1554 }
1515 1555
1516 REQ_SEND; 1556 REQ_SEND;
1517} 1557}
1518 1558
1519void 1559void
1560aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1561 PPCODE:
1562{
1563 dREQ;
1564
1565 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1566 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1567 req->sv1 = newSVsv (fh_or_path);
1568
1569 if (SvPOK (fh_or_path))
1570 {
1571 req->type = REQ_UTIME;
1572 req->ptr1 = SvPVbyte_nolen (req->sv1);
1573 }
1574 else
1575 {
1576 req->type = REQ_FUTIME;
1577 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1578 }
1579
1580 REQ_SEND;
1581}
1582
1583void
1584aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1585 PPCODE:
1586{
1587 dREQ;
1588
1589 req->mode = mode;
1590 req->sv1 = newSVsv (fh_or_path);
1591
1592 if (SvPOK (fh_or_path))
1593 {
1594 req->type = REQ_CHMOD;
1595 req->ptr1 = SvPVbyte_nolen (req->sv1);
1596 }
1597 else
1598 {
1599 req->type = REQ_FCHMOD;
1600 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1601 }
1602
1603 REQ_SEND;
1604}
1605
1606void
1607aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)
1608 PPCODE:
1609{
1610 dREQ;
1611
1612 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1613 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1614 req->sv1 = newSVsv (fh_or_path);
1615
1616 if (SvPOK (fh_or_path))
1617 {
1618 req->type = REQ_CHOWN;
1619 req->ptr1 = SvPVbyte_nolen (req->sv1);
1620 }
1621 else
1622 {
1623 req->type = REQ_FCHOWN;
1624 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1625 }
1626
1627 REQ_SEND;
1628}
1629
1630void
1520aio_unlink (pathname,callback=&PL_sv_undef) 1631aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1521 SV8 * pathname
1522 SV * callback
1523 ALIAS: 1632 ALIAS:
1524 aio_unlink = REQ_UNLINK 1633 aio_unlink = REQ_UNLINK
1525 aio_rmdir = REQ_RMDIR 1634 aio_rmdir = REQ_RMDIR
1526 aio_readdir = REQ_READDIR 1635 aio_readdir = REQ_READDIR
1527 PPCODE: 1636 PPCODE:
… …
1534 1643
1535 REQ_SEND; 1644 REQ_SEND;
1536} 1645}
1537 1646
1538void 1647void
1648aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1649 PPCODE:
1650{
1651 dREQ;
1652
1653 req->type = REQ_MKDIR;
1654 req->sv1 = newSVsv (pathname);
1655 req->ptr1 = SvPVbyte_nolen (req->sv1);
1656 req->mode = mode;
1657
1658 REQ_SEND;
1659}
1660
1661void
1539aio_link (oldpath,newpath,callback=&PL_sv_undef) 1662aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1540 SV8 * oldpath
1541 SV8 * newpath
1542 SV * callback
1543 ALIAS: 1663 ALIAS:
1544 aio_link = REQ_LINK 1664 aio_link = REQ_LINK
1545 aio_symlink = REQ_SYMLINK 1665 aio_symlink = REQ_SYMLINK
1546 aio_rename = REQ_RENAME 1666 aio_rename = REQ_RENAME
1547 PPCODE: 1667 PPCODE:
1548{ 1668{
1549 dREQ; 1669 dREQ;
1550 1670
1551 req->type = ix; 1671 req->type = ix;
1552 req->fh = newSVsv (oldpath); 1672 req->sv2 = newSVsv (oldpath);
1553 req->ptr2 = SvPVbyte_nolen (req->fh); 1673 req->ptr2 = SvPVbyte_nolen (req->sv2);
1554 req->sv1 = newSVsv (newpath); 1674 req->sv1 = newSVsv (newpath);
1555 req->ptr1 = SvPVbyte_nolen (req->sv1); 1675 req->ptr1 = SvPVbyte_nolen (req->sv1);
1556 1676
1557 REQ_SEND; 1677 REQ_SEND;
1558} 1678}
1559 1679
1560void 1680void
1561aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) 1681aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)
1562 SV8 * pathname
1563 SV * callback
1564 UV mode
1565 UV dev
1566 PPCODE: 1682 PPCODE:
1567{ 1683{
1568 dREQ; 1684 dREQ;
1569 1685
1570 req->type = REQ_MKNOD; 1686 req->type = REQ_MKNOD;
… …
1575 1691
1576 REQ_SEND; 1692 REQ_SEND;
1577} 1693}
1578 1694
1579void 1695void
1580aio_busy (delay,callback=&PL_sv_undef) 1696aio_busy (double delay, SV *callback=&PL_sv_undef)
1581 double delay
1582 SV * callback
1583 PPCODE: 1697 PPCODE:
1584{ 1698{
1585 dREQ; 1699 dREQ;
1586 1700
1587 req->type = REQ_BUSY; 1701 req->type = REQ_BUSY;
1588 req->int1 = delay < 0. ? 0 : delay; 1702 req->nv1 = delay < 0. ? 0. : delay;
1589 req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1);
1590 1703
1591 REQ_SEND; 1704 REQ_SEND;
1592} 1705}
1593 1706
1594void 1707void
1595aio_group (callback=&PL_sv_undef) 1708aio_group (SV *callback=&PL_sv_undef)
1596 SV * callback
1597 PROTOTYPE: ;$ 1709 PROTOTYPE: ;$
1598 PPCODE: 1710 PPCODE:
1599{ 1711{
1600 dREQ; 1712 dREQ;
1601 1713
… …
1604 req_send (req); 1716 req_send (req);
1605 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1717 XPUSHs (req_sv (req, AIO_GRP_KLASS));
1606} 1718}
1607 1719
1608void 1720void
1609aio_nop (callback=&PL_sv_undef) 1721aio_nop (SV *callback=&PL_sv_undef)
1610 SV * callback
1611 PPCODE: 1722 PPCODE:
1612{ 1723{
1613 dREQ; 1724 dREQ;
1614 1725
1615 req->type = REQ_NOP; 1726 req->type = REQ_NOP;
… …
1651 1762
1652int 1763int
1653poll() 1764poll()
1654 PROTOTYPE: 1765 PROTOTYPE:
1655 CODE: 1766 CODE:
1656 if (nreqs)
1657 {
1658 poll_wait (); 1767 poll_wait ();
1659 RETVAL = poll_cb (); 1768 RETVAL = poll_cb ();
1660 }
1661 else
1662 RETVAL = 0;
1663 OUTPUT: 1769 OUTPUT:
1664 RETVAL 1770 RETVAL
1665 1771
1666int 1772int
1667poll_fileno() 1773poll_fileno()
… …
1681 1787
1682void 1788void
1683poll_wait() 1789poll_wait()
1684 PROTOTYPE: 1790 PROTOTYPE:
1685 CODE: 1791 CODE:
1686 if (nreqs)
1687 poll_wait (); 1792 poll_wait ();
1793
1794void
1795setsig (int signum = SIGIO)
1796 PROTOTYPE: ;$
1797 CODE:
1798{
1799 if (block_sig_level)
1800 croak ("cannot call IO::AIO::setsig from within aio_block/callback");
1801
1802 LOCK (reslock);
1803 main_tid = pthread_self ();
1804 main_sig = signum;
1805 UNLOCK (reslock);
1806
1807 if (main_sig && npending)
1808 pthread_kill (main_tid, main_sig);
1809}
1810
1811void
1812aio_block (SV *cb)
1813 PROTOTYPE: &
1814 PPCODE:
1815{
1816 int count;
1817
1818 block_sig ();
1819 PUSHMARK (SP);
1820 PUTBACK;
1821 count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
1822 SPAGAIN;
1823 unblock_sig ();
1824
1825 if (SvTRUE (ERRSV))
1826 croak (0);
1827
1828 XSRETURN (count);
1829}
1688 1830
1689int 1831int
1690nreqs() 1832nreqs()
1691 PROTOTYPE: 1833 PROTOTYPE:
1692 CODE: 1834 CODE:
… …
1742 PPCODE: 1884 PPCODE:
1743{ 1885{
1744 int i; 1886 int i;
1745 aio_req req; 1887 aio_req req;
1746 1888
1889 if (main_sig && !block_sig_level)
1890 croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use");
1891
1747 if (grp->int1 == 2) 1892 if (grp->int1 == 2)
1748 croak ("cannot add requests to IO::AIO::GRP after the group finished"); 1893 croak ("cannot add requests to IO::AIO::GRP after the group finished");
1749 1894
1750 for (i = 1; i < items; ++i ) 1895 for (i = 1; i < items; ++i )
1751 { 1896 {

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