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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.88 by root, Mon Oct 30 23:43:17 2006 UTC vs.
Revision 1.101 by root, Fri Jun 1 13:25:51 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
50
51/* use NV for 32 bit perls as it allows larger offsets */
52#if IVSIZE >= 8
53# define SvVAL64 SvIV
54#else
55# define SvVAL64 SvNV
56#endif
83 57
84#define dBUF \ 58#define dBUF \
85 char *aio_buf; \ 59 char *aio_buf; \
86 LOCK (wrklock); \ 60 LOCK (wrklock); \
87 self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ 61 self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
88 UNLOCK (wrklock); \ 62 UNLOCK (wrklock); \
89 if (!aio_buf) \ 63 if (!aio_buf) \
90 return -1; 64 return -1;
91 65
66typedef SV SV8; /* byte-sv, used for argument-checking */
67
92enum { 68enum {
93 REQ_QUIT, 69 REQ_QUIT,
94 REQ_OPEN, REQ_CLOSE, 70 REQ_OPEN, REQ_CLOSE,
95 REQ_READ, REQ_WRITE, REQ_READAHEAD, 71 REQ_READ, REQ_WRITE,
96 REQ_SENDFILE, 72 REQ_READAHEAD, REQ_SENDFILE,
97 REQ_STAT, REQ_LSTAT, REQ_FSTAT, 73 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
74 REQ_UTIME, REQ_FUTIME,
75 REQ_CHMOD, REQ_FCHMOD,
76 REQ_CHOWN, REQ_FCHOWN,
98 REQ_FSYNC, REQ_FDATASYNC, 77 REQ_FSYNC, REQ_FDATASYNC,
99 REQ_UNLINK, REQ_RMDIR, REQ_RENAME, 78 REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
100 REQ_MKNOD, REQ_READDIR, 79 REQ_MKNOD, REQ_READDIR,
101 REQ_LINK, REQ_SYMLINK, REQ_READLINK, 80 REQ_LINK, REQ_SYMLINK, REQ_READLINK,
102 REQ_GROUP, REQ_NOP, 81 REQ_GROUP, REQ_NOP,
103 REQ_BUSY, 82 REQ_BUSY,
104}; 83};
… …
108 87
109typedef struct aio_cb 88typedef struct aio_cb
110{ 89{
111 struct aio_cb *volatile next; 90 struct aio_cb *volatile next;
112 91
113 SV *callback, *fh; 92 SV *callback;
114 SV *sv1, *sv2; 93 SV *sv1, *sv2;
115 void *ptr1, *ptr2; 94 void *ptr1, *ptr2;
116 off_t offs; 95 off_t offs;
117 size_t size; 96 size_t size;
118 ssize_t result; 97 ssize_t result;
98 double nv1, nv2;
119 99
120 STRLEN stroffset; 100 STRLEN stroffset;
121 int type; 101 int type;
122 int int1, int2; 102 int int1, int2, int3;
123 int errorno; 103 int errorno;
124 mode_t mode; /* open */ 104 mode_t mode; /* open */
125 105
126 unsigned char flags; 106 unsigned char flags;
127 unsigned char pri; 107 unsigned char pri;
… …
129 SV *self; /* the perl counterpart of this request, if any */ 109 SV *self; /* the perl counterpart of this request, if any */
130 struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; 110 struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;
131} aio_cb; 111} aio_cb;
132 112
133enum { 113enum {
134 FLAG_CANCELLED = 0x01, 114 FLAG_CANCELLED = 0x01, /* request was cancelled */
135 FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ 115 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
136 FLAG_PTR2_FREE = 0x80, /* need free(ptr2) */ 116 FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
137}; 117};
138 118
139typedef aio_cb *aio_req; 119typedef aio_cb *aio_req;
140typedef aio_cb *aio_req_ornot; 120typedef aio_cb *aio_req_ornot;
141 121
… …
158{ 138{
159 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS 139 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
160 + ((tv2->tv_usec - tv1->tv_usec) >> 10); 140 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
161} 141}
162 142
143static thread_t main_tid;
144static int main_sig;
145static int block_sig_level;
146
147void block_sig ()
148{
149 sigset_t ss;
150
151 if (block_sig_level++)
152 return;
153
154 if (!main_sig)
155 return;
156
157 sigemptyset (&ss);
158 sigaddset (&ss, main_sig);
159 pthread_sigmask (SIG_BLOCK, &ss, 0);
160}
161
162void unblock_sig ()
163{
164 sigset_t ss;
165
166 if (--block_sig_level)
167 return;
168
169 if (!main_sig)
170 return;
171
172 sigemptyset (&ss);
173 sigaddset (&ss, main_sig);
174 pthread_sigmask (SIG_UNBLOCK, &ss, 0);
175}
176
163static int next_pri = DEFAULT_PRI + PRI_BIAS; 177static int next_pri = DEFAULT_PRI + PRI_BIAS;
164 178
165static unsigned int started, idle, wanted; 179static unsigned int started, idle, wanted;
166 180
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 */ 181/* worker threads management */
177static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 182static mutex_t wrklock = MUTEX_INIT;
178 183
179typedef struct worker { 184typedef struct worker {
180 /* locked by wrklock */ 185 /* locked by wrklock */
181 struct worker *prev, *next; 186 struct worker *prev, *next;
182 187
183 pthread_t tid; 188 thread_t tid;
184 189
185 /* locked by reslock, reqlock or wrklock */ 190 /* locked by reslock, reqlock or wrklock */
186 aio_req req; /* currently processed request */ 191 aio_req req; /* currently processed request */
187 void *dbuf; 192 void *dbuf;
188 DIR *dirp; 193 DIR *dirp;
… …
216static volatile unsigned int nreqs, nready, npending; 221static volatile unsigned int nreqs, nready, npending;
217static volatile unsigned int max_idle = 4; 222static volatile unsigned int max_idle = 4;
218static volatile unsigned int max_outstanding = 0xffffffff; 223static volatile unsigned int max_outstanding = 0xffffffff;
219static int respipe [2]; 224static int respipe [2];
220 225
221static pthread_mutex_t reslock = AIO_MUTEX_INIT; 226static mutex_t reslock = MUTEX_INIT;
222static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 227static mutex_t reqlock = MUTEX_INIT;
223static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 228static cond_t reqwait = COND_INIT;
224 229
225#if WORDACCESS_UNSAFE 230#if WORDACCESS_UNSAFE
226 231
227static unsigned int get_nready () 232static unsigned int get_nready ()
228{ 233{
… …
318 323
319 abort (); 324 abort ();
320} 325}
321 326
322static int poll_cb (); 327static int poll_cb ();
323static void req_invoke (aio_req req); 328static int req_invoke (aio_req req);
324static void req_free (aio_req req); 329static void req_destroy (aio_req req);
325static void req_cancel (aio_req req); 330static void req_cancel (aio_req req);
326 331
327/* must be called at most once */ 332/* must be called at most once */
328static SV *req_sv (aio_req req, const char *klass) 333static SV *req_sv (aio_req req, const char *klass)
329{ 334{
… …
348 return mg ? (aio_req)mg->mg_ptr : 0; 353 return mg ? (aio_req)mg->mg_ptr : 0;
349} 354}
350 355
351static void aio_grp_feed (aio_req grp) 356static void aio_grp_feed (aio_req grp)
352{ 357{
358 block_sig ();
359
353 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) 360 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))
354 { 361 {
355 int old_len = grp->size; 362 int old_len = grp->size;
356 363
357 if (grp->sv2 && SvOK (grp->sv2)) 364 if (grp->sv2 && SvOK (grp->sv2))
… …
375 SvREFCNT_dec (grp->sv2); 382 SvREFCNT_dec (grp->sv2);
376 grp->sv2 = 0; 383 grp->sv2 = 0;
377 break; 384 break;
378 } 385 }
379 } 386 }
387
388 unblock_sig ();
380} 389}
381 390
382static void aio_grp_dec (aio_req grp) 391static void aio_grp_dec (aio_req grp)
383{ 392{
384 --grp->size; 393 --grp->size;
… …
387 aio_grp_feed (grp); 396 aio_grp_feed (grp);
388 397
389 /* finish, if done */ 398 /* finish, if done */
390 if (!grp->size && grp->int1) 399 if (!grp->size && grp->int1)
391 { 400 {
401 block_sig ();
402
392 req_invoke (grp); 403 if (!req_invoke (grp))
404 {
405 req_destroy (grp);
406 unblock_sig ();
407 croak (0);
408 }
409
393 req_free (grp); 410 req_destroy (grp);
411 unblock_sig ();
394 } 412 }
395} 413}
396 414
397static void req_invoke (aio_req req) 415static int req_invoke (aio_req req)
398{ 416{
399 dSP; 417 dSP;
400 418
401 if (req->flags & FLAG_SV1_RO_OFF) 419 if (req->flags & FLAG_SV2_RO_OFF)
402 SvREADONLY_off (req->sv1); 420 SvREADONLY_off (req->sv2);
403 421
404 if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) 422 if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))
405 { 423 {
406 ENTER; 424 ENTER;
407 SAVETMPS; 425 SAVETMPS;
… …
445 PUSHs (sv_2mortal (newSViv (req->result))); 463 PUSHs (sv_2mortal (newSViv (req->result)));
446 PUTBACK; 464 PUTBACK;
447 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 465 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
448 SPAGAIN; 466 SPAGAIN;
449 467
450 fh = SvREFCNT_inc (POPs); 468 fh = POPs;
451
452 PUSHMARK (SP); 469 PUSHMARK (SP);
453 XPUSHs (sv_2mortal (fh)); 470 XPUSHs (fh);
454 } 471 }
455 break; 472 break;
456 473
457 case REQ_GROUP: 474 case REQ_GROUP:
458 req->int1 = 2; /* mark group as finished */ 475 req->int1 = 2; /* mark group as finished */
… …
473 break; 490 break;
474 491
475 case REQ_READLINK: 492 case REQ_READLINK:
476 if (req->result > 0) 493 if (req->result > 0)
477 { 494 {
478 SvCUR_set (req->sv1, req->result); 495 SvCUR_set (req->sv2, req->result);
479 *SvEND (req->sv1) = 0; 496 *SvEND (req->sv2) = 0;
480 PUSHs (req->sv1); 497 PUSHs (req->sv2);
481 } 498 }
482 break; 499 break;
483 500
484 case REQ_STAT: 501 case REQ_STAT:
485 case REQ_LSTAT: 502 case REQ_LSTAT:
… …
489 PL_statcache = *(Stat_t *)(req->ptr2); 506 PL_statcache = *(Stat_t *)(req->ptr2);
490 PUSHs (sv_2mortal (newSViv (req->result))); 507 PUSHs (sv_2mortal (newSViv (req->result)));
491 break; 508 break;
492 509
493 case REQ_READ: 510 case REQ_READ:
494 SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); 511 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
495 *SvEND (req->sv1) = 0; 512 *SvEND (req->sv2) = 0;
496 PUSHs (sv_2mortal (newSViv (req->result))); 513 PUSHs (sv_2mortal (newSViv (req->result)));
497 break; 514 break;
498 515
499 default: 516 default:
500 PUSHs (sv_2mortal (newSViv (req->result))); 517 PUSHs (sv_2mortal (newSViv (req->result)));
… …
523 grp->grp_first = req->grp_next; 540 grp->grp_first = req->grp_next;
524 541
525 aio_grp_dec (grp); 542 aio_grp_dec (grp);
526 } 543 }
527 544
528 if (SvTRUE (ERRSV)) 545 return !SvTRUE (ERRSV);
529 {
530 req_free (req);
531 croak (0);
532 }
533} 546}
534 547
535static void req_free (aio_req req) 548static void req_destroy (aio_req req)
536{ 549{
537 if (req->self) 550 if (req->self)
538 { 551 {
539 sv_unmagic (req->self, PERL_MAGIC_ext); 552 sv_unmagic (req->self, PERL_MAGIC_ext);
540 SvREFCNT_dec (req->self); 553 SvREFCNT_dec (req->self);
541 } 554 }
542 555
543 SvREFCNT_dec (req->fh);
544 SvREFCNT_dec (req->sv1); 556 SvREFCNT_dec (req->sv1);
545 SvREFCNT_dec (req->sv2); 557 SvREFCNT_dec (req->sv2);
546 SvREFCNT_dec (req->callback); 558 SvREFCNT_dec (req->callback);
547 559
548 if (req->flags & FLAG_PTR2_FREE) 560 if (req->flags & FLAG_PTR2_FREE)
… …
570 req->flags |= FLAG_CANCELLED; 582 req->flags |= FLAG_CANCELLED;
571 583
572 req_cancel_subs (req); 584 req_cancel_subs (req);
573} 585}
574 586
575static void *aio_proc(void *arg); 587static void *aio_proc (void *arg);
576 588
577static void start_thread (void) 589static void start_thread (void)
578{ 590{
579 sigset_t fullsigset, oldsigset;
580 pthread_attr_t attr;
581
582 worker *wrk = calloc (1, sizeof (worker)); 591 worker *wrk = calloc (1, sizeof (worker));
583 592
584 if (!wrk) 593 if (!wrk)
585 croak ("unable to allocate worker thread data"); 594 croak ("unable to allocate worker thread data");
586 595
587 pthread_attr_init (&attr);
588 pthread_attr_setstacksize (&attr, STACKSIZE);
589 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
590#ifdef PTHREAD_SCOPE_PROCESS
591 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
592#endif
593
594 sigfillset (&fullsigset);
595
596 LOCK (wrklock); 596 LOCK (wrklock);
597 sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
598 597
599 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 598 if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
600 { 599 {
601 wrk->prev = &wrk_first; 600 wrk->prev = &wrk_first;
602 wrk->next = wrk_first.next; 601 wrk->next = wrk_first.next;
603 wrk_first.next->prev = wrk; 602 wrk_first.next->prev = wrk;
604 wrk_first.next = wrk; 603 wrk_first.next = wrk;
605 ++started; 604 ++started;
606 } 605 }
607 else 606 else
608 free (wrk); 607 free (wrk);
609 608
610 sigprocmask (SIG_SETMASK, &oldsigset, 0);
611 UNLOCK (wrklock); 609 UNLOCK (wrklock);
612} 610}
613 611
614static void maybe_start_thread () 612static void maybe_start_thread ()
615{ 613{
… …
623 start_thread (); 621 start_thread ();
624} 622}
625 623
626static void req_send (aio_req req) 624static void req_send (aio_req req)
627{ 625{
626 block_sig ();
627
628 ++nreqs; 628 ++nreqs;
629 629
630 LOCK (reqlock); 630 LOCK (reqlock);
631 ++nready; 631 ++nready;
632 reqq_push (&req_queue, req); 632 reqq_push (&req_queue, req);
633 pthread_cond_signal (&reqwait); 633 COND_SIGNAL (reqwait);
634 UNLOCK (reqlock); 634 UNLOCK (reqlock);
635
636 unblock_sig ();
635 637
636 maybe_start_thread (); 638 maybe_start_thread ();
637} 639}
638 640
639static void end_thread (void) 641static void end_thread (void)
… …
645 req->type = REQ_QUIT; 647 req->type = REQ_QUIT;
646 req->pri = PRI_MAX + PRI_BIAS; 648 req->pri = PRI_MAX + PRI_BIAS;
647 649
648 LOCK (reqlock); 650 LOCK (reqlock);
649 reqq_push (&req_queue, req); 651 reqq_push (&req_queue, req);
650 pthread_cond_signal (&reqwait); 652 COND_SIGNAL (reqwait);
651 UNLOCK (reqlock); 653 UNLOCK (reqlock);
652 654
653 LOCK (wrklock); 655 LOCK (wrklock);
654 --started; 656 --started;
655 UNLOCK (wrklock); 657 UNLOCK (wrklock);
… …
710 aio_req req; 712 aio_req req;
711 713
712 if (max_poll_time) 714 if (max_poll_time)
713 gettimeofday (&tv_start, 0); 715 gettimeofday (&tv_start, 0);
714 716
717 block_sig ();
718
715 for (;;) 719 for (;;)
716 { 720 {
717 for (;;) 721 for (;;)
718 { 722 {
719 maybe_start_thread (); 723 maybe_start_thread ();
… …
726 --npending; 730 --npending;
727 731
728 if (!res_queue.size) 732 if (!res_queue.size)
729 { 733 {
730 /* read any signals sent by the worker threads */ 734 /* read any signals sent by the worker threads */
731 char buf [32]; 735 char buf [4];
732 while (read (respipe [0], buf, 32) == 32) 736 while (read (respipe [0], buf, 4) == 4)
733 ; 737 ;
734 } 738 }
735 } 739 }
736 740
737 UNLOCK (reslock); 741 UNLOCK (reslock);
… …
746 req->int1 = 1; /* mark request as delayed */ 750 req->int1 = 1; /* mark request as delayed */
747 continue; 751 continue;
748 } 752 }
749 else 753 else
750 { 754 {
751 req_invoke (req); 755 if (!req_invoke (req))
756 {
757 req_destroy (req);
758 unblock_sig ();
759 croak (0);
760 }
752 761
753 count++; 762 count++;
754 } 763 }
755 764
756 req_free (req); 765 req_destroy (req);
757 766
758 if (maxreqs && !--maxreqs) 767 if (maxreqs && !--maxreqs)
759 break; 768 break;
760 769
761 if (max_poll_time) 770 if (max_poll_time)
… …
773 poll_wait (); 782 poll_wait ();
774 783
775 ++maxreqs; 784 ++maxreqs;
776 } 785 }
777 786
787 unblock_sig ();
778 return count; 788 return count;
779} 789}
780 790
781static void create_pipe () 791static void create_pipe ()
782{ 792{
… …
800/* 810/*
801 * make our pread/pwrite safe against themselves, but not against 811 * make our pread/pwrite safe against themselves, but not against
802 * normal read/write by using a mutex. slows down execution a lot, 812 * normal read/write by using a mutex. slows down execution a lot,
803 * but that's your problem, not mine. 813 * but that's your problem, not mine.
804 */ 814 */
805static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 815static mutex_t preadwritelock = MUTEX_INIT;
806 816
807static ssize_t pread (int fd, void *buf, size_t count, off_t offset) 817static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
808{ 818{
809 ssize_t res; 819 ssize_t res;
810 off_t ooffset; 820 off_t ooffset;
… …
833 843
834 return res; 844 return res;
835} 845}
836#endif 846#endif
837 847
848#ifndef HAVE_FUTIMES
849
850# define utimes(path,times) aio_utimes (path, times)
851# define futimes(fd,times) aio_futimes (fd, times)
852
853int aio_utimes (const char *filename, const struct timeval times[2])
854{
855 if (times)
856 {
857 struct utimbuf buf;
858
859 buf.actime = times[0].tv_sec;
860 buf.modtime = times[1].tv_sec;
861
862 return utime (filename, &buf);
863 }
864 else
865 return utime (filename, 0);
866}
867
868int aio_futimes (int fd, const struct timeval tv[2])
869{
870 errno = ENOSYS;
871 return -1;
872}
873
874#endif
875
838#if !HAVE_FDATASYNC 876#if !HAVE_FDATASYNC
839# define fdatasync fsync 877# define fdatasync fsync
840#endif 878#endif
841 879
842#if !HAVE_READAHEAD 880#if !HAVE_READAHEAD
… …
861#endif 899#endif
862 900
863#if !HAVE_READDIR_R 901#if !HAVE_READDIR_R
864# define readdir_r aio_readdir_r 902# define readdir_r aio_readdir_r
865 903
866static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 904static mutex_t readdirlock = MUTEX_INIT;
867 905
868static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 906static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
869{ 907{
870 struct dirent *e; 908 struct dirent *e;
871 int errorno; 909 int errorno;
… …
1070 if (req) 1108 if (req)
1071 break; 1109 break;
1072 1110
1073 ++idle; 1111 ++idle;
1074 1112
1075 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 1113 if (COND_TIMEDWAIT (reqwait, reqlock, ts)
1076 == ETIMEDOUT) 1114 == ETIMEDOUT)
1077 { 1115 {
1078 if (idle > max_idle) 1116 if (idle > max_idle)
1079 { 1117 {
1080 --idle; 1118 --idle;
… …
1084 UNLOCK (wrklock); 1122 UNLOCK (wrklock);
1085 goto quit; 1123 goto quit;
1086 } 1124 }
1087 1125
1088 /* we are allowed to idle, so do so without any timeout */ 1126 /* we are allowed to idle, so do so without any timeout */
1089 pthread_cond_wait (&reqwait, &reqlock); 1127 COND_WAIT (reqwait, reqlock);
1090 ts.tv_sec = time (0) + IDLE_TIMEOUT; 1128 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1091 } 1129 }
1092 1130
1093 --idle; 1131 --idle;
1094 } 1132 }
… …
1100 errno = 0; /* strictly unnecessary */ 1138 errno = 0; /* strictly unnecessary */
1101 1139
1102 if (!(req->flags & FLAG_CANCELLED)) 1140 if (!(req->flags & FLAG_CANCELLED))
1103 switch (req->type) 1141 switch (req->type)
1104 { 1142 {
1105 case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; 1143 case REQ_READ: req->result = req->offs >= 0
1106 case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; 1144 ? pread (req->int1, req->ptr1, req->size, req->offs)
1145 : read (req->int1, req->ptr1, req->size); break;
1146 case REQ_WRITE: req->result = req->offs >= 0
1147 ? pwrite (req->int1, req->ptr1, req->size, req->offs)
1148 : write (req->int1, req->ptr1, req->size); break;
1107 1149
1108 case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; 1150 case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1109 case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; 1151 case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;
1110 1152
1111 case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; 1153 case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1112 case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; 1154 case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1113 case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; 1155 case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
1156
1157 case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
1158 case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
1159 case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break;
1160 case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break;
1114 1161
1115 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; 1162 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1116 case REQ_CLOSE: req->result = close (req->int1); break; 1163 case REQ_CLOSE: req->result = close (req->int1); break;
1117 case REQ_UNLINK: req->result = unlink (req->ptr1); break; 1164 case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1118 case REQ_RMDIR: req->result = rmdir (req->ptr1); break; 1165 case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
1166 case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;
1119 case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; 1167 case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1120 case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; 1168 case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1121 case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; 1169 case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;
1122 case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; 1170 case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;
1123 case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; 1171 case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;
… …
1128 1176
1129 case REQ_BUSY: 1177 case REQ_BUSY:
1130 { 1178 {
1131 struct timeval tv; 1179 struct timeval tv;
1132 1180
1133 tv.tv_sec = req->int1; 1181 tv.tv_sec = req->nv1;
1134 tv.tv_usec = req->int2; 1182 tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.;
1135 1183
1136 req->result = select (0, 0, 0, 0, &tv); 1184 req->result = select (0, 0, 0, 0, &tv);
1185 }
1186
1187 case REQ_UTIME:
1188 case REQ_FUTIME:
1189 {
1190 struct timeval tv[2];
1191 struct timeval *times;
1192
1193 if (req->nv1 != -1. || req->nv2 != -1.)
1194 {
1195 tv[0].tv_sec = req->nv1;
1196 tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
1197 tv[1].tv_sec = req->nv2;
1198 tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
1199
1200 times = tv;
1201 }
1202 else
1203 times = 0;
1204
1205
1206 req->result = req->type == REQ_FUTIME
1207 ? futimes (req->int1, times)
1208 : utimes (req->ptr1, times);
1137 } 1209 }
1138 1210
1139 case REQ_GROUP: 1211 case REQ_GROUP:
1140 case REQ_NOP: 1212 case REQ_NOP:
1141 break; 1213 break;
1142 1214
1143 case REQ_QUIT: 1215 case REQ_QUIT:
1144 goto quit; 1216 goto quit;
1145 1217
1146 default: 1218 default:
1147 req->result = ENOSYS; 1219 req->result = -1;
1148 break; 1220 break;
1149 } 1221 }
1150 1222
1151 req->errorno = errno; 1223 req->errorno = errno;
1152 1224
1153 LOCK (reslock); 1225 LOCK (reslock);
1154 1226
1155 ++npending; 1227 ++npending;
1156 1228
1157 if (!reqq_push (&res_queue, req)) 1229 if (!reqq_push (&res_queue, req))
1230 {
1158 /* write a dummy byte to the pipe so fh becomes ready */ 1231 /* write a dummy byte to the pipe so fh becomes ready */
1159 write (respipe [1], &respipe, 1); 1232 write (respipe [1], &respipe, 1);
1233
1234 /* optionally signal the main thread asynchronously */
1235 if (main_sig)
1236 pthread_kill (main_tid, main_sig);
1237 }
1160 1238
1161 self->req = 0; 1239 self->req = 0;
1162 worker_clear (self); 1240 worker_clear (self);
1163 1241
1164 UNLOCK (reslock); 1242 UNLOCK (reslock);
… …
1203static void atfork_child (void) 1281static void atfork_child (void)
1204{ 1282{
1205 aio_req prv; 1283 aio_req prv;
1206 1284
1207 while (prv = reqq_shift (&req_queue)) 1285 while (prv = reqq_shift (&req_queue))
1208 req_free (prv); 1286 req_destroy (prv);
1209 1287
1210 while (prv = reqq_shift (&res_queue)) 1288 while (prv = reqq_shift (&res_queue))
1211 req_free (prv); 1289 req_destroy (prv);
1212 1290
1213 while (wrk_first.next != &wrk_first) 1291 while (wrk_first.next != &wrk_first)
1214 { 1292 {
1215 worker *wrk = wrk_first.next; 1293 worker *wrk = wrk_first.next;
1216 1294
1217 if (wrk->req) 1295 if (wrk->req)
1218 req_free (wrk->req); 1296 req_destroy (wrk->req);
1219 1297
1220 worker_clear (wrk); 1298 worker_clear (wrk);
1221 worker_free (wrk); 1299 worker_free (wrk);
1222 } 1300 }
1223 1301
… …
1267 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1345 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
1268 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1346 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1269 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1347 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1270 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1348 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
1271 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1349 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
1350 newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
1272 1351
1273 create_pipe (); 1352 create_pipe ();
1274 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1353 ATFORK (atfork_prepare, atfork_parent, atfork_child);
1275} 1354}
1276 1355
1277void 1356void
1278max_poll_reqs (int nreqs) 1357max_poll_reqs (int nreqs)
1279 PROTOTYPE: $ 1358 PROTOTYPE: $
… …
1308 max_outstanding = maxreqs; 1387 max_outstanding = maxreqs;
1309 OUTPUT: 1388 OUTPUT:
1310 RETVAL 1389 RETVAL
1311 1390
1312void 1391void
1313aio_open (pathname,flags,mode,callback=&PL_sv_undef) 1392aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
1314 SV * pathname
1315 int flags
1316 int mode
1317 SV * callback
1318 PROTOTYPE: $$$;$ 1393 PROTOTYPE: $$$;$
1319 PPCODE: 1394 PPCODE:
1320{ 1395{
1321 dREQ; 1396 dREQ;
1322 1397
1323 req->type = REQ_OPEN; 1398 req->type = REQ_OPEN;
1324 req->sv1 = newSVsv (pathname); 1399 req->sv1 = newSVsv (pathname);
1325 req->ptr1 = SvPVbyte_nolen (pathname); 1400 req->ptr1 = SvPVbyte_nolen (req->sv1);
1326 req->int1 = flags; 1401 req->int1 = flags;
1327 req->mode = mode; 1402 req->mode = mode;
1328 1403
1329 REQ_SEND; 1404 REQ_SEND;
1330} 1405}
1331 1406
1332void 1407void
1333aio_close (fh,callback=&PL_sv_undef) 1408aio_close (SV *fh, SV *callback=&PL_sv_undef)
1334 SV * fh
1335 SV * callback
1336 PROTOTYPE: $;$ 1409 PROTOTYPE: $;$
1337 ALIAS: 1410 ALIAS:
1338 aio_close = REQ_CLOSE 1411 aio_close = REQ_CLOSE
1339 aio_fsync = REQ_FSYNC 1412 aio_fsync = REQ_FSYNC
1340 aio_fdatasync = REQ_FDATASYNC 1413 aio_fdatasync = REQ_FDATASYNC
1341 PPCODE: 1414 PPCODE:
1342{ 1415{
1343 dREQ; 1416 dREQ;
1344 1417
1345 req->type = ix; 1418 req->type = ix;
1346 req->fh = newSVsv (fh); 1419 req->sv1 = newSVsv (fh);
1347 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1420 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1348 1421
1349 REQ_SEND (req); 1422 REQ_SEND (req);
1350} 1423}
1351 1424
1352void 1425void
1353aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 1426aio_read (SV *fh, SV *offset, UV length, SV8 *data, UV dataoffset, SV *callback=&PL_sv_undef)
1354 SV * fh
1355 UV offset
1356 UV length
1357 SV * data
1358 UV dataoffset
1359 SV * callback
1360 ALIAS: 1427 ALIAS:
1361 aio_read = REQ_READ 1428 aio_read = REQ_READ
1362 aio_write = REQ_WRITE 1429 aio_write = REQ_WRITE
1363 PROTOTYPE: $$$$$;$ 1430 PROTOTYPE: $$$$$;$
1364 PPCODE: 1431 PPCODE:
… …
1382 length = svlen - dataoffset; 1449 length = svlen - dataoffset;
1383 } 1450 }
1384 else 1451 else
1385 { 1452 {
1386 /* read: grow scalar as necessary */ 1453 /* read: grow scalar as necessary */
1387 svptr = SvGROW (data, length + dataoffset); 1454 svptr = SvGROW (data, length + dataoffset + 1);
1388 } 1455 }
1389 1456
1390 if (length < 0) 1457 if (length < 0)
1391 croak ("length must not be negative"); 1458 croak ("length must not be negative");
1392 1459
1393 { 1460 {
1394 dREQ; 1461 dREQ;
1395 1462
1396 req->type = ix; 1463 req->type = ix;
1397 req->fh = newSVsv (fh); 1464 req->sv1 = newSVsv (fh);
1398 req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) 1465 req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
1399 : IoOFP (sv_2io (fh))); 1466 : IoOFP (sv_2io (fh)));
1400 req->offs = offset; 1467 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1401 req->size = length; 1468 req->size = length;
1402 req->sv1 = SvREFCNT_inc (data); 1469 req->sv2 = SvREFCNT_inc (data);
1403 req->ptr1 = (char *)svptr + dataoffset; 1470 req->ptr1 = (char *)svptr + dataoffset;
1404 req->stroffset = dataoffset; 1471 req->stroffset = dataoffset;
1405 1472
1406 if (!SvREADONLY (data)) 1473 if (!SvREADONLY (data))
1407 { 1474 {
1408 SvREADONLY_on (data); 1475 SvREADONLY_on (data);
1409 req->flags |= FLAG_SV1_RO_OFF; 1476 req->flags |= FLAG_SV2_RO_OFF;
1410 } 1477 }
1411 1478
1412 REQ_SEND; 1479 REQ_SEND;
1413 } 1480 }
1414} 1481}
1415 1482
1416void 1483void
1417aio_readlink (path,callback=&PL_sv_undef) 1484aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
1418 SV * path
1419 SV * callback
1420 PROTOTYPE: $$;$ 1485 PROTOTYPE: $$;$
1421 PPCODE: 1486 PPCODE:
1422{ 1487{
1423 SV *data; 1488 SV *data;
1424 dREQ; 1489 dREQ;
1425 1490
1426 data = newSV (NAME_MAX); 1491 data = newSV (NAME_MAX);
1427 SvPOK_on (data); 1492 SvPOK_on (data);
1428 1493
1429 req->type = REQ_READLINK; 1494 req->type = REQ_READLINK;
1430 req->fh = newSVsv (path); 1495 req->sv1 = newSVsv (path);
1431 req->ptr2 = SvPVbyte_nolen (path); 1496 req->ptr2 = SvPVbyte_nolen (req->sv1);
1432 req->sv1 = data; 1497 req->sv2 = data;
1433 req->ptr1 = SvPVbyte_nolen (data); 1498 req->ptr1 = SvPVbyte_nolen (data);
1434 1499
1435 REQ_SEND; 1500 REQ_SEND;
1436} 1501}
1437 1502
1438void 1503void
1439aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1504aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)
1440 SV * out_fh
1441 SV * in_fh
1442 UV in_offset
1443 UV length
1444 SV * callback
1445 PROTOTYPE: $$$$;$ 1505 PROTOTYPE: $$$$;$
1446 PPCODE: 1506 PPCODE:
1447{ 1507{
1448 dREQ; 1508 dREQ;
1449 1509
1450 req->type = REQ_SENDFILE; 1510 req->type = REQ_SENDFILE;
1451 req->fh = newSVsv (out_fh); 1511 req->sv1 = newSVsv (out_fh);
1452 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1512 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1453 req->sv2 = newSVsv (in_fh); 1513 req->sv2 = newSVsv (in_fh);
1454 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1514 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1455 req->offs = in_offset; 1515 req->offs = SvVAL64 (in_offset);
1456 req->size = length; 1516 req->size = length;
1457 1517
1458 REQ_SEND; 1518 REQ_SEND;
1459} 1519}
1460 1520
1461void 1521void
1462aio_readahead (fh,offset,length,callback=&PL_sv_undef) 1522aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)
1463 SV * fh
1464 UV offset
1465 IV length
1466 SV * callback
1467 PROTOTYPE: $$$;$ 1523 PROTOTYPE: $$$;$
1468 PPCODE: 1524 PPCODE:
1469{ 1525{
1470 dREQ; 1526 dREQ;
1471 1527
1472 req->type = REQ_READAHEAD; 1528 req->type = REQ_READAHEAD;
1473 req->fh = newSVsv (fh); 1529 req->sv1 = newSVsv (fh);
1474 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1530 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1475 req->offs = offset; 1531 req->offs = SvVAL64 (offset);
1476 req->size = length; 1532 req->size = length;
1477 1533
1478 REQ_SEND; 1534 REQ_SEND;
1479} 1535}
1480 1536
1481void 1537void
1482aio_stat (fh_or_path,callback=&PL_sv_undef) 1538aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
1483 SV * fh_or_path
1484 SV * callback
1485 ALIAS: 1539 ALIAS:
1486 aio_stat = REQ_STAT 1540 aio_stat = REQ_STAT
1487 aio_lstat = REQ_LSTAT 1541 aio_lstat = REQ_LSTAT
1488 PPCODE: 1542 PPCODE:
1489{ 1543{
1490 dREQ; 1544 dREQ;
1491 1545
1492 req->ptr2 = malloc (sizeof (Stat_t)); 1546 req->ptr2 = malloc (sizeof (Stat_t));
1493 if (!req->ptr2) 1547 if (!req->ptr2)
1494 { 1548 {
1495 req_free (req); 1549 req_destroy (req);
1496 croak ("out of memory during aio_stat statdata allocation"); 1550 croak ("out of memory during aio_stat statdata allocation");
1497 } 1551 }
1498 1552
1499 req->flags |= FLAG_PTR2_FREE; 1553 req->flags |= FLAG_PTR2_FREE;
1554 req->sv1 = newSVsv (fh_or_path);
1500 1555
1501 if (SvPOK (fh_or_path)) 1556 if (SvPOK (fh_or_path))
1502 { 1557 {
1503 req->type = ix; 1558 req->type = ix;
1504 req->sv1 = newSVsv (fh_or_path);
1505 req->ptr1 = SvPVbyte_nolen (fh_or_path); 1559 req->ptr1 = SvPVbyte_nolen (req->sv1);
1506 } 1560 }
1507 else 1561 else
1508 { 1562 {
1509 req->type = REQ_FSTAT; 1563 req->type = REQ_FSTAT;
1510 req->fh = newSVsv (fh_or_path);
1511 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1564 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1512 } 1565 }
1513 1566
1514 REQ_SEND; 1567 REQ_SEND;
1515} 1568}
1516 1569
1517void 1570void
1571aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1572 PPCODE:
1573{
1574 dREQ;
1575
1576 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1577 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1578 req->sv1 = newSVsv (fh_or_path);
1579
1580 if (SvPOK (fh_or_path))
1581 {
1582 req->type = REQ_UTIME;
1583 req->ptr1 = SvPVbyte_nolen (req->sv1);
1584 }
1585 else
1586 {
1587 req->type = REQ_FUTIME;
1588 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1589 }
1590
1591 REQ_SEND;
1592}
1593
1594void
1595aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1596 PPCODE:
1597{
1598 dREQ;
1599
1600 req->mode = mode;
1601 req->sv1 = newSVsv (fh_or_path);
1602
1603 if (SvPOK (fh_or_path))
1604 {
1605 req->type = REQ_CHMOD;
1606 req->ptr1 = SvPVbyte_nolen (req->sv1);
1607 }
1608 else
1609 {
1610 req->type = REQ_FCHMOD;
1611 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1612 }
1613
1614 REQ_SEND;
1615}
1616
1617void
1618aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)
1619 PPCODE:
1620{
1621 dREQ;
1622
1623 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1624 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1625 req->sv1 = newSVsv (fh_or_path);
1626
1627 if (SvPOK (fh_or_path))
1628 {
1629 req->type = REQ_CHOWN;
1630 req->ptr1 = SvPVbyte_nolen (req->sv1);
1631 }
1632 else
1633 {
1634 req->type = REQ_FCHOWN;
1635 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1636 }
1637
1638 REQ_SEND;
1639}
1640
1641void
1518aio_unlink (pathname,callback=&PL_sv_undef) 1642aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1519 SV * pathname
1520 SV * callback
1521 ALIAS: 1643 ALIAS:
1522 aio_unlink = REQ_UNLINK 1644 aio_unlink = REQ_UNLINK
1523 aio_rmdir = REQ_RMDIR 1645 aio_rmdir = REQ_RMDIR
1524 aio_readdir = REQ_READDIR 1646 aio_readdir = REQ_READDIR
1525 PPCODE: 1647 PPCODE:
1526{ 1648{
1527 dREQ; 1649 dREQ;
1528 1650
1529 req->type = ix; 1651 req->type = ix;
1530 req->sv1 = newSVsv (pathname); 1652 req->sv1 = newSVsv (pathname);
1531 req->ptr1 = SvPVbyte_nolen (pathname); 1653 req->ptr1 = SvPVbyte_nolen (req->sv1);
1532 1654
1533 REQ_SEND; 1655 REQ_SEND;
1534} 1656}
1535 1657
1536void 1658void
1659aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1660 PPCODE:
1661{
1662 dREQ;
1663
1664 req->type = REQ_MKDIR;
1665 req->sv1 = newSVsv (pathname);
1666 req->ptr1 = SvPVbyte_nolen (req->sv1);
1667 req->mode = mode;
1668
1669 REQ_SEND;
1670}
1671
1672void
1537aio_link (oldpath,newpath,callback=&PL_sv_undef) 1673aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1538 SV * oldpath
1539 SV * newpath
1540 SV * callback
1541 ALIAS: 1674 ALIAS:
1542 aio_link = REQ_LINK 1675 aio_link = REQ_LINK
1543 aio_symlink = REQ_SYMLINK 1676 aio_symlink = REQ_SYMLINK
1544 aio_rename = REQ_RENAME 1677 aio_rename = REQ_RENAME
1545 PPCODE: 1678 PPCODE:
1546{ 1679{
1547 dREQ; 1680 dREQ;
1548 1681
1549 req->type = ix; 1682 req->type = ix;
1550 req->fh = newSVsv (oldpath); 1683 req->sv2 = newSVsv (oldpath);
1551 req->ptr2 = SvPVbyte_nolen (req->fh); 1684 req->ptr2 = SvPVbyte_nolen (req->sv2);
1552 req->sv1 = newSVsv (newpath); 1685 req->sv1 = newSVsv (newpath);
1553 req->ptr1 = SvPVbyte_nolen (newpath); 1686 req->ptr1 = SvPVbyte_nolen (req->sv1);
1554 1687
1555 REQ_SEND; 1688 REQ_SEND;
1556} 1689}
1557 1690
1558void 1691void
1559aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) 1692aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)
1560 SV * pathname
1561 SV * callback
1562 UV mode
1563 UV dev
1564 PPCODE: 1693 PPCODE:
1565{ 1694{
1566 dREQ; 1695 dREQ;
1567 1696
1568 req->type = REQ_MKNOD; 1697 req->type = REQ_MKNOD;
1569 req->sv1 = newSVsv (pathname); 1698 req->sv1 = newSVsv (pathname);
1570 req->ptr1 = SvPVbyte_nolen (pathname); 1699 req->ptr1 = SvPVbyte_nolen (req->sv1);
1571 req->mode = (mode_t)mode; 1700 req->mode = (mode_t)mode;
1572 req->offs = dev; 1701 req->offs = dev;
1573 1702
1574 REQ_SEND; 1703 REQ_SEND;
1575} 1704}
1576 1705
1577void 1706void
1578aio_busy (delay,callback=&PL_sv_undef) 1707aio_busy (double delay, SV *callback=&PL_sv_undef)
1579 double delay
1580 SV * callback
1581 PPCODE: 1708 PPCODE:
1582{ 1709{
1583 dREQ; 1710 dREQ;
1584 1711
1585 req->type = REQ_BUSY; 1712 req->type = REQ_BUSY;
1586 req->int1 = delay < 0. ? 0 : delay; 1713 req->nv1 = delay < 0. ? 0. : delay;
1587 req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1);
1588 1714
1589 REQ_SEND; 1715 REQ_SEND;
1590} 1716}
1591 1717
1592void 1718void
1593aio_group (callback=&PL_sv_undef) 1719aio_group (SV *callback=&PL_sv_undef)
1594 SV * callback
1595 PROTOTYPE: ;$ 1720 PROTOTYPE: ;$
1596 PPCODE: 1721 PPCODE:
1597{ 1722{
1598 dREQ; 1723 dREQ;
1599 1724
… …
1602 req_send (req); 1727 req_send (req);
1603 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1728 XPUSHs (req_sv (req, AIO_GRP_KLASS));
1604} 1729}
1605 1730
1606void 1731void
1607aio_nop (callback=&PL_sv_undef) 1732aio_nop (SV *callback=&PL_sv_undef)
1608 SV * callback
1609 PPCODE: 1733 PPCODE:
1610{ 1734{
1611 dREQ; 1735 dREQ;
1612 1736
1613 req->type = REQ_NOP; 1737 req->type = REQ_NOP;
… …
1642 PROTOTYPE: 1766 PROTOTYPE:
1643 CODE: 1767 CODE:
1644 while (nreqs) 1768 while (nreqs)
1645 { 1769 {
1646 poll_wait (); 1770 poll_wait ();
1647 poll_cb (0); 1771 poll_cb ();
1648 } 1772 }
1649 1773
1650void 1774int
1651poll() 1775poll()
1652 PROTOTYPE: 1776 PROTOTYPE:
1653 CODE: 1777 CODE:
1654 if (nreqs)
1655 {
1656 poll_wait (); 1778 poll_wait ();
1657 poll_cb (0); 1779 RETVAL = poll_cb ();
1658 } 1780 OUTPUT:
1781 RETVAL
1659 1782
1660int 1783int
1661poll_fileno() 1784poll_fileno()
1662 PROTOTYPE: 1785 PROTOTYPE:
1663 CODE: 1786 CODE:
… …
1675 1798
1676void 1799void
1677poll_wait() 1800poll_wait()
1678 PROTOTYPE: 1801 PROTOTYPE:
1679 CODE: 1802 CODE:
1680 if (nreqs)
1681 poll_wait (); 1803 poll_wait ();
1804
1805void
1806setsig (int signum = SIGIO)
1807 PROTOTYPE: ;$
1808 CODE:
1809{
1810 if (block_sig_level)
1811 croak ("cannot call IO::AIO::setsig from within aio_block/callback");
1812
1813 LOCK (reslock);
1814 main_tid = pthread_self ();
1815 main_sig = signum;
1816 UNLOCK (reslock);
1817
1818 if (main_sig && npending)
1819 pthread_kill (main_tid, main_sig);
1820}
1821
1822void
1823aio_block (SV *cb)
1824 PROTOTYPE: &
1825 PPCODE:
1826{
1827 int count;
1828
1829 block_sig ();
1830 PUSHMARK (SP);
1831 PUTBACK;
1832 count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
1833 SPAGAIN;
1834 unblock_sig ();
1835
1836 if (SvTRUE (ERRSV))
1837 croak (0);
1838
1839 XSRETURN (count);
1840}
1682 1841
1683int 1842int
1684nreqs() 1843nreqs()
1685 PROTOTYPE: 1844 PROTOTYPE:
1686 CODE: 1845 CODE:
… …
1736 PPCODE: 1895 PPCODE:
1737{ 1896{
1738 int i; 1897 int i;
1739 aio_req req; 1898 aio_req req;
1740 1899
1900 if (main_sig && !block_sig_level)
1901 croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use");
1902
1741 if (grp->int1 == 2) 1903 if (grp->int1 == 2)
1742 croak ("cannot add requests to IO::AIO::GRP after the group finished"); 1904 croak ("cannot add requests to IO::AIO::GRP after the group finished");
1743 1905
1744 for (i = 1; i < items; ++i ) 1906 for (i = 1; i < items; ++i )
1745 { 1907 {

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