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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 2010 UTC vs.
Revision 1.194 by root, Fri Jul 29 08:35:36 2011 UTC

11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 16#include <limits.h>
18#include <fcntl.h> 17#include <fcntl.h>
19#include <sched.h> 18#include <sched.h>
20 19
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
23#endif 22#endif
24 23
25/* perl namespace pollution */ 24/* perl namespace pollution */
26#undef VERSION 25#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 26
77/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
79#undef readdir 29#undef readdir
80#undef opendir 30#undef opendir
81#undef closedir 31#undef closedir
32
33#ifdef _WIN32
34
35 // perl overrides all those nice libc functions
36
37 #undef malloc
38 #undef free
39 #undef open
40 #undef read
41 #undef write
42 #undef send
43 #undef recv
44 #undef stat
45 #undef lstat
46 #undef fstat
47 #undef truncate
48 #undef ftruncate
49 #undef open
50 #undef link
51 #undef close
52 #undef unlink
53 #undef mkdir
54 #undef rmdir
55 #undef rename
56 #undef lseek
57 #undef opendir
58 #undef readdir
59 #undef closedir
60 #undef chmod
61 #undef fchmod
62 #undef dup
63 #undef dup2
64 #undef abort
65 #undef pipe
66
67#else
68
69 #include <sys/time.h>
70 #include <sys/select.h>
71 #include <unistd.h>
72 #include <utime.h>
73 #include <signal.h>
74
75#endif
82 76
83#define EIO_STRUCT_STAT Stat_t 77#define EIO_STRUCT_STAT Stat_t
84 78
85/* use NV for 32 bit perls as it allows larger offsets */ 79/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8 80#if IVSIZE >= 8
118 STRLEN stroffset; \ 112 STRLEN stroffset; \
119 SV *self; 113 SV *self;
120 114
121#define EIO_NO_WRAPPERS 1 115#define EIO_NO_WRAPPERS 1
122 116
117#include "libeio/config.h"
123#include "libeio/eio.h" 118#include "libeio/eio.h"
119
120static int req_invoke (eio_req *req);
121#define EIO_FINISH(req) req_invoke (req)
122static void req_destroy (eio_req *grp);
123#define EIO_DESTROY(req) req_destroy (req)
124
125#include "libeio/eio.c"
126
127/* Linux/others */
128#ifndef O_ASYNC
129# define O_ASYNC 0
130#endif
131#ifndef O_DIRECT
132# define O_DIRECT 0
133#endif
134#ifndef O_NOATIME
135# define O_NOATIME 0
136#endif
137
138/* POSIX */
139#ifndef O_CLOEXEC
140# define O_CLOEXEC 0
141#endif
142#ifndef O_NOFOLLOW
143# define O_NOFOLLOW 0
144#endif
145#ifndef O_NOCTTY
146# define O_NOCTTY 0
147#endif
148#ifndef O_NONBLOCK
149# define O_NONBLOCK 0
150#endif
151#ifndef O_EXEC
152# define O_EXEC 0
153#endif
154#ifndef O_SEARCH
155# define O_SEARCH 0
156#endif
157#ifndef O_DIRECTORY
158# define O_DIRECTORY 0
159#endif
160#ifndef O_DSYNC
161# define O_DSYNC 0
162#endif
163#ifndef O_RSYNC
164# define O_RSYNC 0
165#endif
166#ifndef O_SYNC
167# define O_SYNC 0
168#endif
169#ifndef O_TTY_INIT
170# define O_TTY_INIT 0
171#endif
124 172
125#ifndef POSIX_FADV_NORMAL 173#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 174# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 175#endif
129#ifndef POSIX_FADV_SEQUENTIAL 176#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 177# define POSIX_FADV_SEQUENTIAL 0
131#endif 178#endif
132#ifndef POSIX_FADV_RANDOM 179#ifndef POSIX_FADV_RANDOM
140#endif 187#endif
141#ifndef POSIX_FADV_DONTNEED 188#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 189# define POSIX_FADV_DONTNEED 0
143#endif 190#endif
144 191
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 192#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 193# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 194#endif
148 195
149#ifndef POSIX_MADV_NORMAL 196#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0 197# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif 198#endif
153#ifndef POSIX_MADV_SEQUENTIAL 199#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0 200# define POSIX_MADV_SEQUENTIAL 0
155#endif 201#endif
156#ifndef POSIX_MADV_RANDOM 202#ifndef POSIX_MADV_RANDOM
161#endif 207#endif
162#ifndef POSIX_MADV_DONTNEED 208#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0 209# define POSIX_MADV_DONTNEED 0
164#endif 210#endif
165 211
166#if _XOPEN_SOURCE < 600 || NO_MADVISE 212#if !HAVE_POSIX_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 213# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif 214#endif
169 215
170#ifndef PROT_NONE 216#ifndef PROT_NONE
171# define PROT_NONE 0 217# define PROT_NONE 0
178#endif 224#endif
179#ifndef PROT_EXEC 225#ifndef PROT_EXEC
180# define PROT_EXEC 0 226# define PROT_EXEC 0
181#endif 227#endif
182 228
229#ifndef ST_RDONLY
230# define ST_RDONLY 0
231#endif
232#ifndef ST_NOSUID
233# define ST_NOSUID 0
234#endif
183#ifndef ST_NODEV 235#ifndef ST_NODEV
184# define ST_NODEV 0 236# define ST_NODEV 0
185#endif 237#endif
186#ifndef ST_NOEXEC 238#ifndef ST_NOEXEC
187# define ST_NOEXEC 0 239# define ST_NOEXEC 0
209#endif 261#endif
210#ifndef ST_RELATIME 262#ifndef ST_RELATIME
211# define ST_RELATIME 0 263# define ST_RELATIME 0
212#endif 264#endif
213 265
214#ifndef MCL_CURRENT 266#ifndef S_IFIFO
215# define MCL_CURRENT 0 267# define S_IFIFO 0
216#endif 268#endif
217#ifndef MCL_FUTURE 269#ifndef S_IFCHR
218# define MCL_FUTURE 0 270# define S_IFCHR 0
271#endif
272#ifndef S_IFBLK
273# define S_IFBLK 0
274#endif
275#ifndef S_IFLNK
276# define S_IFLNK 0
277#endif
278#ifndef S_IFREG
279# define S_IFREG 0
280#endif
281#ifndef S_IFDIR
282# define S_IFDIR 0
283#endif
284#ifndef S_IFWHT
285# define S_IFWHT 0
286#endif
287#ifndef S_IFSOCK
288# define S_IFSOCK 0
219#endif 289#endif
220 290
221#ifndef MAP_ANONYMOUS 291#ifndef MAP_ANONYMOUS
222# ifdef MAP_ANON 292# ifdef MAP_ANON
223# define MAP_ANONYMOUS MAP_ANON 293# define MAP_ANONYMOUS MAP_ANON
239#endif 309#endif
240#ifndef MAP_NONBLOCK 310#ifndef MAP_NONBLOCK
241# define MAP_NONBLOCK 0 311# define MAP_NONBLOCK 0
242#endif 312#endif
243 313
314#ifndef makedev
315# define makedev(maj,min) (((maj) << 8) | (min))
316#endif
317#ifndef major
318# define major(dev) ((dev) >> 8)
319#endif
320#ifndef minor
321# define minor(dev) ((dev) & 0xff)
322#endif
323
244#ifndef PAGESIZE 324#ifndef PAGESIZE
245# define PAGESIZE sysconf (_SC_PAGESIZE) 325# define PAGESIZE sysconf (_SC_PAGESIZE)
246#endif 326#endif
247
248static int req_invoke (eio_req *req);
249#define EIO_FINISH(req) req_invoke (req)
250static void req_destroy (eio_req *grp);
251#define EIO_DESTROY(req) req_destroy (req)
252 327
253enum { 328enum {
254 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
255}; 330};
256
257#include "libeio/eio.c"
258 331
259typedef eio_req *aio_req; 332typedef eio_req *aio_req;
260typedef eio_req *aio_req_ornot; 333typedef eio_req *aio_req_ornot;
261 334
262static SV *on_next_submit; 335static SV *on_next_submit;
361 /* do not recreate the result IV from scratch each time */ 434 /* do not recreate the result IV from scratch each time */
362 if (expect_true (sv_result_cache)) 435 if (expect_true (sv_result_cache))
363 { 436 {
364 sv_result = sv_result_cache; sv_result_cache = 0; 437 sv_result = sv_result_cache; sv_result_cache = 0;
365 SvIV_set (sv_result, req->result); 438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
366 } 440 }
367 else 441 else
368 { 442 {
369 sv_result = newSViv (req->result); 443 sv_result = newSViv (req->result);
370 SvREADONLY_on (sv_result); 444 SvREADONLY_on (sv_result);
467 case EIO_STATVFS: 541 case EIO_STATVFS:
468 case EIO_FSTATVFS: 542 case EIO_FSTATVFS:
469 { 543 {
470 SV *rv = &PL_sv_undef; 544 SV *rv = &PL_sv_undef;
471 545
546#ifndef _WIN32
472 if (req->result >= 0) 547 if (req->result >= 0)
473 { 548 {
474 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 549 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
475 HV *hv = newHV (); 550 HV *hv = newHV ();
476 551
486 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 561 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
487 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 562 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
488 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 563 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
489 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 564 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
490 } 565 }
566#endif
491 567
492 PUSHs (rv); 568 PUSHs (rv);
493 } 569 }
494 570
495 break; 571 break;
511 case EIO_NOP: 587 case EIO_NOP:
512 case EIO_BUSY: 588 case EIO_BUSY:
513 break; 589 break;
514 590
515 case EIO_READLINK: 591 case EIO_READLINK:
592 case EIO_REALPATH:
516 if (req->result > 0) 593 if (req->result > 0)
517 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 594 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
518 break; 595 break;
519 596
520 case EIO_STAT: 597 case EIO_STAT:
521 case EIO_LSTAT: 598 case EIO_LSTAT:
522 case EIO_FSTAT: 599 case EIO_FSTAT:
523 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
524 PL_laststatval = req->result; 601 PL_laststatval = req->result;
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
525 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
526 PUSHs (sv_result); 604 PUSHs (sv_result);
527 break; 605 break;
528 606
529 case EIO_READ: 607 case EIO_READ:
534 SvSETMAGIC (req->sv2); 612 SvSETMAGIC (req->sv2);
535 PUSHs (sv_result); 613 PUSHs (sv_result);
536 } 614 }
537 break; 615 break;
538 616
539 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 617 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
540 if (req->result > 0) 618 if (req->result > 0)
541 SvIV_set (sv_result, 0); 619 SvIV_set (sv_result, 0);
542 /* FALLTHROUGH */ 620 /* FALLTHROUGH */
543 621
544 default: 622 default:
581 Safefree (req); 659 Safefree (req);
582} 660}
583 661
584static void req_cancel_subs (aio_req grp) 662static void req_cancel_subs (aio_req grp)
585{ 663{
586 aio_req sub;
587
588 if (grp->type != EIO_GROUP) 664 if (grp->type != EIO_GROUP)
589 return; 665 return;
590 666
591 SvREFCNT_dec (grp->sv2); 667 SvREFCNT_dec (grp->sv2);
592 grp->sv2 = 0; 668 grp->sv2 = 0;
593 669
594 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
595} 671}
596 672
597static void
598create_respipe (void) 673static void create_respipe (void)
599{ 674{
600 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
601 croak ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
602} 677}
603 678
634 709
635 poll_wait (); 710 poll_wait ();
636 } 711 }
637} 712}
638 713
639static void atfork_child (void) 714static void ecb_cold
715reinit (void)
640{ 716{
641 create_respipe (); 717 create_respipe ();
718
719 if (eio_init (want_poll, done_poll) < 0)
720 croak ("IO::AIO: unable to initialise eio library");
642} 721}
643 722
644/*****************************************************************************/ 723/*****************************************************************************/
645 724
646#if !_POSIX_MAPPED_FILES 725#if !_POSIX_MAPPED_FILES
647# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 726# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648# define munmap(addr,length) (errno = ENOSYS, -1) 727# define munmap(addr,length) (errno = ENOSYS, -1)
728#endif
729
730#if !_POSIX_MEMORY_PROTECTION
649# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 731# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
732# define PROT_NONE 0
733# define PROT_WRITE 0
734# define MAP_PRIVATE 0
735# define MAP_SHARED 0
736# define MAP_FIXED 0
650#endif 737#endif
651 738
652#define MMAP_MAGIC PERL_MAGIC_ext 739#define MMAP_MAGIC PERL_MAGIC_ext
653 740
654static int
655mmap_free (pTHX_ SV *sv, MAGIC *mg) 741static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
656{ 742{
657 int old_errno = errno; 743 int old_errno = errno;
658 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 744 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
659 errno = old_errno; 745 errno = old_errno;
660 746
676 0, 0, 0, 0, mmap_free 762 0, 0, 0, 0, mmap_free
677}; 763};
678 764
679/*****************************************************************************/ 765/*****************************************************************************/
680 766
681static SV *
682get_cb (SV *cb_sv) 767static SV * get_cb (SV *cb_sv)
683{ 768{
684 SvGETMAGIC (cb_sv); 769 SvGETMAGIC (cb_sv);
685 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
686} 771}
687 772
728 const_iv (O_RDWR) 813 const_iv (O_RDWR)
729 const_iv (O_CREAT) 814 const_iv (O_CREAT)
730 const_iv (O_TRUNC) 815 const_iv (O_TRUNC)
731 const_iv (O_EXCL) 816 const_iv (O_EXCL)
732 const_iv (O_APPEND) 817 const_iv (O_APPEND)
733#ifndef _WIN32 818
819 const_iv (O_ASYNC)
820 const_iv (O_DIRECT)
821 const_iv (O_NOATIME)
822
823 const_iv (O_CLOEXEC)
824 const_iv (O_NOCTTY)
825 const_iv (O_NOFOLLOW)
826 const_iv (O_NONBLOCK)
827 const_iv (O_EXEC)
828 const_iv (O_SEARCH)
829 const_iv (O_DIRECTORY)
830 const_iv (O_DSYNC)
831 const_iv (O_RSYNC)
832 const_iv (O_SYNC)
833 const_iv (O_TTY_INIT)
834
734 const_iv (S_IFIFO) 835 const_iv (S_IFIFO)
735#endif 836 const_iv (S_IFCHR)
837 const_iv (S_IFBLK)
838 const_iv (S_IFLNK)
839 const_iv (S_IFREG)
840 const_iv (S_IFDIR)
841 const_iv (S_IFWHT)
842 const_iv (S_IFSOCK)
843 const_iv (S_IFMT)
844
736 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 845 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
737 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 846 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
738 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 847 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
739 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 848 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
740 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 849 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
774 const_iv (MAP_LOCKED) 883 const_iv (MAP_LOCKED)
775 const_iv (MAP_NORESERVE) 884 const_iv (MAP_NORESERVE)
776 const_iv (MAP_POPULATE) 885 const_iv (MAP_POPULATE)
777 const_iv (MAP_NONBLOCK) 886 const_iv (MAP_NONBLOCK)
778 887
779 const_iv (MCL_FUTURE) 888 const_eio (MCL_FUTURE)
780 const_iv (MCL_CURRENT) 889 const_eio (MCL_CURRENT)
781 890
782 const_eio (MS_ASYNC) 891 const_eio (MS_ASYNC)
783 const_eio (MS_INVALIDATE) 892 const_eio (MS_INVALIDATE)
784 const_eio (MS_SYNC) 893 const_eio (MS_SYNC)
785 894
786 const_eio (MT_MODIFY) 895 const_eio (MT_MODIFY)
787 896
788 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
789 const_eio (SYNC_FILE_RANGE_WRITE) 898 const_eio (SYNC_FILE_RANGE_WRITE)
790 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900
901 const_eio (FALLOC_FL_KEEP_SIZE)
791 902
792 const_eio (READDIR_DENTS) 903 const_eio (READDIR_DENTS)
793 const_eio (READDIR_DIRS_FIRST) 904 const_eio (READDIR_DIRS_FIRST)
794 const_eio (READDIR_STAT_ORDER) 905 const_eio (READDIR_STAT_ORDER)
795 const_eio (READDIR_FOUND_UNKNOWN) 906 const_eio (READDIR_FOUND_UNKNOWN)
807 918
808 aio_stash = gv_stashpv ("IO::AIO" , 1); 919 aio_stash = gv_stashpv ("IO::AIO" , 1);
809 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 920 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
810 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 921 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
811 922
812 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 923 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
813 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 924 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
814 925
815 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
816 927
817 create_respipe (); 928 reinit ();
818
819 if (eio_init (want_poll, done_poll) < 0)
820 croak ("IO::AIO: unable to initialise eio library");
821
822 /* atfork child called in fifo order, so before eio's handler */
823 X_THREAD_ATFORK (0, 0, atfork_child);
824} 929}
825 930
826void 931void
932reinit ()
933 PROTOTYPE:
934
935void
827max_poll_reqs (int nreqs) 936max_poll_reqs (unsigned int nreqs)
828 PROTOTYPE: $ 937 PROTOTYPE: $
829 CODE: 938 CODE:
830 eio_set_max_poll_reqs (nreqs); 939 eio_set_max_poll_reqs (nreqs);
831 940
832void 941void
834 PROTOTYPE: $ 943 PROTOTYPE: $
835 CODE: 944 CODE:
836 eio_set_max_poll_time (nseconds); 945 eio_set_max_poll_time (nseconds);
837 946
838void 947void
839min_parallel (int nthreads) 948min_parallel (unsigned int nthreads)
840 PROTOTYPE: $ 949 PROTOTYPE: $
841 CODE: 950 CODE:
842 eio_set_min_parallel (nthreads); 951 eio_set_min_parallel (nthreads);
843 952
844void 953void
845max_parallel (int nthreads) 954max_parallel (unsigned int nthreads)
846 PROTOTYPE: $ 955 PROTOTYPE: $
847 CODE: 956 CODE:
848 eio_set_max_parallel (nthreads); 957 eio_set_max_parallel (nthreads);
849 958
850void 959void
851max_idle (int nthreads) 960max_idle (unsigned int nthreads)
852 PROTOTYPE: $ 961 PROTOTYPE: $
853 CODE: 962 CODE:
854 eio_set_max_idle (nthreads); 963 eio_set_max_idle (nthreads);
855 964
856void 965void
966idle_timeout (unsigned int seconds)
967 PROTOTYPE: $
968 CODE:
969 eio_set_idle_timeout (seconds);
970
971void
857max_outstanding (int maxreqs) 972max_outstanding (unsigned int maxreqs)
858 PROTOTYPE: $ 973 PROTOTYPE: $
859 CODE: 974 CODE:
860 max_outstanding = maxreqs; 975 max_outstanding = maxreqs;
861 976
862void 977void
863aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 978aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$;$
865 PPCODE: 979 PPCODE:
866{ 980{
867 dREQ; 981 dREQ;
868 982
869 req->type = EIO_OPEN; 983 req->type = EIO_OPEN;
875 REQ_SEND; 989 REQ_SEND;
876} 990}
877 991
878void 992void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 993aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
880 PROTOTYPE: $;$
881 ALIAS: 994 ALIAS:
882 aio_fsync = EIO_FSYNC 995 aio_fsync = EIO_FSYNC
883 aio_fdatasync = EIO_FDATASYNC 996 aio_fdatasync = EIO_FDATASYNC
997 aio_syncfs = EIO_SYNCFS
884 PPCODE: 998 PPCODE:
885{ 999{
886 int fd = s_fileno_croak (fh, 0); 1000 int fd = s_fileno_croak (fh, 0);
887 dREQ; 1001 dREQ;
888 1002
893 REQ_SEND (req); 1007 REQ_SEND (req);
894} 1008}
895 1009
896void 1010void
897aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1011aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
898 PROTOTYPE: $$$$;$
899 PPCODE: 1012 PPCODE:
900{ 1013{
901 int fd = s_fileno_croak (fh, 0); 1014 int fd = s_fileno_croak (fh, 0);
902 dREQ; 1015 dREQ;
903 1016
910 1023
911 REQ_SEND (req); 1024 REQ_SEND (req);
912} 1025}
913 1026
914void 1027void
915aio_close (SV *fh, SV *callback=&PL_sv_undef) 1028aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
916 PROTOTYPE: $;$
917 PPCODE: 1029 PPCODE:
918{ 1030{
919 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920 int fd = s_fileno_croak (fh, 0); 1031 int fd = s_fileno_croak (fh, 0);
921 dREQ; 1032 dREQ;
922 1033
923 if (close_pipe < 0) 1034 req->type = EIO_FALLOCATE;
1035 req->sv1 = newSVsv (fh);
1036 req->int1 = fd;
1037 req->int2 = mode;
1038 req->offs = offset;
1039 req->size = len;
1040
1041 REQ_SEND (req);
1042}
1043
1044void
1045aio_close (SV *fh, SV *callback=&PL_sv_undef)
1046 PPCODE:
1047{
1048 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1049 int fd = s_fileno_croak (fh, 0);
1050 dREQ;
1051
1052 if (expect_false (close_fd < 0))
924 { 1053 {
925 int pipefd [2]; 1054 int pipefd [2];
926 1055
1056 if (
1057#ifdef _WIN32
1058 _pipe (pipefd, 1, _O_BINARY) < 0
1059#else
927 if (pipe (pipefd) < 0 1060 pipe (pipefd) < 0
928 || close (pipefd [1]) < 0
929 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1061 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1062#endif
1063 || close (pipefd [1]) < 0
1064 )
930 abort (); /*D*/ 1065 abort (); /*D*/
931 1066
932 close_pipe = pipefd [0]; 1067 close_fd = pipefd [0];
933 } 1068 }
934 1069
935 req->type = EIO_DUP2; 1070 req->type = EIO_DUP2;
936 req->int1 = close_pipe; 1071 req->int1 = close_fd;
937 req->sv2 = newSVsv (fh); 1072 req->sv2 = newSVsv (fh);
938 req->int2 = fd; 1073 req->int2 = fd;
939 1074
940 REQ_SEND (req); 1075 REQ_SEND (req);
941} 1076}
943void 1078void
944aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1079aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
945 ALIAS: 1080 ALIAS:
946 aio_read = EIO_READ 1081 aio_read = EIO_READ
947 aio_write = EIO_WRITE 1082 aio_write = EIO_WRITE
948 PROTOTYPE: $$$$$;$
949 PPCODE: 1083 PPCODE:
950{ 1084{
951 STRLEN svlen; 1085 STRLEN svlen;
952 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1086 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953 char *svptr = SvPVbyte (data, svlen); 1087 char *svptr = SvPVbyte (data, svlen);
994 } 1128 }
995} 1129}
996 1130
997void 1131void
998aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1132aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
999 PROTOTYPE: $$;$ 1133 ALIAS:
1134 aio_readlink = EIO_READLINK
1135 aio_realpath = EIO_REALPATH
1000 PPCODE: 1136 PPCODE:
1001{ 1137{
1002 SV *data;
1003 dREQ; 1138 dREQ;
1004 1139
1005 req->type = EIO_READLINK; 1140 req->type = ix;
1006 req->sv1 = newSVsv (path); 1141 req->sv1 = newSVsv (path);
1007 req->ptr1 = SvPVbyte_nolen (req->sv1); 1142 req->ptr1 = SvPVbyte_nolen (req->sv1);
1008 1143
1009 REQ_SEND; 1144 REQ_SEND;
1010} 1145}
1011 1146
1012void 1147void
1013aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1148aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1014 PROTOTYPE: $$$$;$
1015 PPCODE: 1149 PPCODE:
1016{ 1150{
1017 int ifd = s_fileno_croak (in_fh , 0); 1151 int ifd = s_fileno_croak (in_fh , 0);
1018 int ofd = s_fileno_croak (out_fh, 1); 1152 int ofd = s_fileno_croak (out_fh, 1);
1019 dREQ; 1153 dREQ;
1029 REQ_SEND; 1163 REQ_SEND;
1030} 1164}
1031 1165
1032void 1166void
1033aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1167aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1034 PROTOTYPE: $$$;$
1035 PPCODE: 1168 PPCODE:
1036{ 1169{
1037 int fd = s_fileno_croak (fh, 0); 1170 int fd = s_fileno_croak (fh, 0);
1038 dREQ; 1171 dREQ;
1039 1172
1070 } 1203 }
1071 1204
1072 REQ_SEND; 1205 REQ_SEND;
1073} 1206}
1074 1207
1208UV
1209major (UV dev)
1210 ALIAS:
1211 minor = 1
1212 CODE:
1213 RETVAL = ix ? major (dev) : minor (dev);
1214 OUTPUT:
1215 RETVAL
1216
1217UV
1218makedev (UV maj, UV min)
1219 CODE:
1220 RETVAL = makedev (maj, min);
1221 OUTPUT:
1222 RETVAL
1223
1075void 1224void
1076aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1225aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1077 PPCODE: 1226 PPCODE:
1078{ 1227{
1079 dREQ; 1228 dREQ;
1240void 1389void
1241aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1390aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1242 ALIAS: 1391 ALIAS:
1243 aio_mtouch = EIO_MTOUCH 1392 aio_mtouch = EIO_MTOUCH
1244 aio_msync = EIO_MSYNC 1393 aio_msync = EIO_MSYNC
1245 PROTOTYPE: $$$$;$
1246 PPCODE: 1394 PPCODE:
1247{ 1395{
1248 STRLEN svlen; 1396 STRLEN svlen;
1397 char *svptr = SvPVbyte (data, svlen);
1249 UV len = SvUV (length); 1398 UV len = SvUV (length);
1250 char *svptr = SvPVbyte (data, svlen);
1251 1399
1252 if (offset < 0) 1400 if (offset < 0)
1253 offset += svlen; 1401 offset += svlen;
1254 1402
1255 if (offset < 0 || offset > svlen) 1403 if (offset < 0 || offset > svlen)
1260 1408
1261 { 1409 {
1262 dREQ; 1410 dREQ;
1263 1411
1264 req->type = ix; 1412 req->type = ix;
1265 req->size = len;
1266 req->sv2 = SvREFCNT_inc (data); 1413 req->sv2 = SvREFCNT_inc (data);
1267 req->ptr2 = (char *)svptr + offset; 1414 req->ptr2 = (char *)svptr + offset;
1415 req->size = len;
1268 req->int1 = flags; 1416 req->int1 = flags;
1269 1417
1270 REQ_SEND; 1418 REQ_SEND;
1271 } 1419 }
1272} 1420}
1273 1421
1274void 1422void
1423aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1424 PPCODE:
1425{
1426 STRLEN svlen;
1427 char *svptr = SvPVbyte (data, svlen);
1428 UV len = SvUV (length);
1429
1430 if (offset < 0)
1431 offset += svlen;
1432
1433 if (offset < 0 || offset > svlen)
1434 croak ("offset outside of scalar");
1435
1436 if (!SvOK (length) || len + offset > svlen)
1437 len = svlen - offset;
1438
1439 {
1440 dREQ;
1441
1442 req->type = EIO_MLOCK;
1443 req->sv2 = SvREFCNT_inc (data);
1444 req->ptr2 = (char *)svptr + offset;
1445 req->size = len;
1446
1447 REQ_SEND;
1448 }
1449}
1450
1451void
1452aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1453 PPCODE:
1454{
1455 dREQ;
1456
1457 req->type = EIO_MLOCKALL;
1458 req->int1 = flags;
1459
1460 REQ_SEND;
1461}
1462
1463void
1275aio_busy (double delay, SV *callback=&PL_sv_undef) 1464aio_busy (double delay, SV *callback=&PL_sv_undef)
1276 PPCODE: 1465 PPCODE:
1277{ 1466{
1278 dREQ; 1467 dREQ;
1279 1468
1283 REQ_SEND; 1472 REQ_SEND;
1284} 1473}
1285 1474
1286void 1475void
1287aio_group (SV *callback=&PL_sv_undef) 1476aio_group (SV *callback=&PL_sv_undef)
1288 PROTOTYPE: ;$
1289 PPCODE: 1477 PPCODE:
1290{ 1478{
1291 dREQ; 1479 dREQ;
1292 1480
1293 req->type = EIO_GROUP; 1481 req->type = EIO_GROUP;
1310 REQ_SEND; 1498 REQ_SEND;
1311} 1499}
1312 1500
1313int 1501int
1314aioreq_pri (int pri = 0) 1502aioreq_pri (int pri = 0)
1315 PROTOTYPE: ;$
1316 CODE: 1503 CODE:
1317 RETVAL = next_pri; 1504 RETVAL = next_pri;
1318 if (items > 0) 1505 if (items > 0)
1319 { 1506 {
1320 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1507 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1332 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1519 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333 next_pri = nice; 1520 next_pri = nice;
1334 1521
1335void 1522void
1336flush () 1523flush ()
1337 PROTOTYPE:
1338 CODE: 1524 CODE:
1339 while (eio_nreqs ()) 1525 while (eio_nreqs ())
1340 { 1526 {
1341 poll_wait (); 1527 poll_wait ();
1342 poll_cb (); 1528 poll_cb ();
1343 } 1529 }
1344 1530
1345int 1531int
1346poll() 1532poll ()
1347 PROTOTYPE:
1348 CODE: 1533 CODE:
1349 poll_wait (); 1534 poll_wait ();
1350 RETVAL = poll_cb (); 1535 RETVAL = poll_cb ();
1351 OUTPUT: 1536 OUTPUT:
1352 RETVAL 1537 RETVAL
1353 1538
1354int 1539int
1355poll_fileno() 1540poll_fileno ()
1356 PROTOTYPE:
1357 CODE: 1541 CODE:
1358 RETVAL = s_epipe_fd (&respipe); 1542 RETVAL = s_epipe_fd (&respipe);
1359 OUTPUT: 1543 OUTPUT:
1360 RETVAL 1544 RETVAL
1361 1545
1362int 1546int
1363poll_cb(...) 1547poll_cb (...)
1364 PROTOTYPE: 1548 PROTOTYPE:
1365 CODE: 1549 CODE:
1366 RETVAL = poll_cb (); 1550 RETVAL = poll_cb ();
1367 OUTPUT: 1551 OUTPUT:
1368 RETVAL 1552 RETVAL
1369 1553
1370void 1554void
1371poll_wait() 1555poll_wait ()
1372 PROTOTYPE:
1373 CODE: 1556 CODE:
1374 poll_wait (); 1557 poll_wait ();
1375 1558
1376int 1559int
1377nreqs() 1560nreqs ()
1378 PROTOTYPE:
1379 CODE: 1561 CODE:
1380 RETVAL = eio_nreqs (); 1562 RETVAL = eio_nreqs ();
1381 OUTPUT: 1563 OUTPUT:
1382 RETVAL 1564 RETVAL
1383 1565
1384int 1566int
1385nready() 1567nready ()
1386 PROTOTYPE:
1387 CODE: 1568 CODE:
1388 RETVAL = eio_nready (); 1569 RETVAL = eio_nready ();
1389 OUTPUT: 1570 OUTPUT:
1390 RETVAL 1571 RETVAL
1391 1572
1392int 1573int
1393npending() 1574npending ()
1394 PROTOTYPE:
1395 CODE: 1575 CODE:
1396 RETVAL = eio_npending (); 1576 RETVAL = eio_npending ();
1397 OUTPUT: 1577 OUTPUT:
1398 RETVAL 1578 RETVAL
1399 1579
1400int 1580int
1401nthreads() 1581nthreads ()
1402 PROTOTYPE:
1403 CODE: 1582 CODE:
1404 RETVAL = eio_nthreads (); 1583 RETVAL = eio_nthreads ();
1405 OUTPUT: 1584 OUTPUT:
1406 RETVAL 1585 RETVAL
1407 1586
1408int 1587int
1409fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1588fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410 PROTOTYPE: $$$$
1411 CODE: 1589 CODE:
1412 RETVAL = posix_fadvise (fh, offset, length, advice); 1590 RETVAL = posix_fadvise (fh, offset, length, advice);
1413 OUTPUT: 1591 OUTPUT:
1414 RETVAL 1592 RETVAL
1415 1593
1416ssize_t 1594IV
1417sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1595sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418 PROTOTYPE: $$$$
1419 CODE: 1596 CODE:
1420 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1597 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421 OUTPUT: 1598 OUTPUT:
1422 RETVAL 1599 RETVAL
1423 1600
1424void 1601void
1425mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1602mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1426 PROTOTYPE: $$$$$;$
1427 PPCODE: 1603 PPCODE:
1428 sv_unmagic (scalar, MMAP_MAGIC); 1604 sv_unmagic (scalar, MMAP_MAGIC);
1429{ 1605{
1430 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1606 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1607 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1454 XSRETURN_YES; 1630 XSRETURN_YES;
1455} 1631}
1456 1632
1457void 1633void
1458munmap (SV *scalar) 1634munmap (SV *scalar)
1459 PROTOTYPE: $
1460 CODE: 1635 CODE:
1461 sv_unmagic (scalar, MMAP_MAGIC); 1636 sv_unmagic (scalar, MMAP_MAGIC);
1462 1637
1463int 1638int
1464madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot) 1639madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1465 ALIAS: 1640 ALIAS:
1466 mprotect = 1 1641 mprotect = 1
1467 PROTOTYPE: $$$$
1468 CODE: 1642 CODE:
1469{ 1643{
1470 STRLEN cur; 1644 STRLEN svlen;
1471 char *addr = SvPVbyte (scalar, cur); 1645 void *addr = SvPVbyte (scalar, svlen);
1646 size_t len = SvUV (length);
1472 1647
1473 if (offset > cur) 1648 if (offset < 0)
1474 RETVAL = errno = EFAULT; 1649 offset += svlen;
1475 else 1650
1651 if (offset < 0 || offset > svlen)
1652 croak ("offset outside of scalar");
1653
1654 if (!SvOK (length) || len + offset > svlen)
1655 len = svlen - offset;
1656
1657 addr = (void *)(((intptr_t)addr) + offset);
1658 eio_page_align (&addr, &len);
1659
1660 switch (ix)
1476 { 1661 {
1477 if (!SvOK (ST (2)))
1478 length = cur - offset;
1479
1480 if (offset + length > cur)
1481 RETVAL = errno = EFAULT;
1482 else
1483 switch (ix)
1484 {
1485 case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break; 1662 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486 case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break; 1663 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487 }
1488 } 1664 }
1489} 1665}
1490 OUTPUT: 1666 OUTPUT:
1491 RETVAL 1667 RETVAL
1492 1668
1493int 1669int
1494mlockall (int flags) 1670munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1495 PROTOTYPE: $
1496 CODE: 1671 CODE:
1672{
1673 STRLEN svlen;
1674 void *addr = SvPVbyte (scalar, svlen);
1675 size_t len = SvUV (length);
1676
1677 if (offset < 0)
1678 offset += svlen;
1679
1680 if (offset < 0 || offset > svlen)
1681 croak ("offset outside of scalar");
1682
1683 if (!SvOK (length) || len + offset > svlen)
1684 len = svlen - offset;
1685
1686 addr = (void *)(((intptr_t)addr) + offset);
1687 eio_page_align (&addr, &len);
1497#if _POSIX_MEMLOCK 1688#if _POSIX_MEMLOCK_RANGE
1498#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1689 RETVAL = munlock (addr, len);
1499 extern int mallopt (int, int);
1500 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501#endif
1502 mlockall (flags);
1503#else 1690#else
1504 RETVAL = -1; 1691 RETVAL = ((errno = ENOSYS), -1);
1505 errno = ENOSYS;
1506#endif 1692#endif
1693}
1507 OUTPUT: 1694 OUTPUT:
1508 RETVAL 1695 RETVAL
1509 1696
1510int 1697int
1511munlockall () 1698munlockall ()
1512 PROTOTYPE:
1513 CODE: 1699 CODE:
1514#if _POSIX_MEMLOCK 1700#if _POSIX_MEMLOCK
1515 munlockall (); 1701 munlockall ();
1516#else 1702#else
1517 RETVAL = -1; 1703 RETVAL = -1;

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