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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC vs.
Revision 1.187 by root, Sat Jul 16 16:46:10 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
26
27/* perl stupidly overrides readdir and maybe others */
28/* with thread-unsafe versions, imagine that :( */
29#undef readdir
30#undef opendir
31#undef closedir
27 32
28#ifdef _WIN32 33#ifdef _WIN32
29 34
30# define EIO_STRUCT_DIRENT Direntry_t 35# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc 36# undef malloc
… …
35# undef open 40# undef open
36# undef read 41# undef read
37# undef write 42# undef write
38# undef send 43# undef send
39# undef recv 44# undef recv
40# undef stat 45# undef lstat
41# undef fstat
42# define lstat stat
43# undef truncate 46# undef truncate
44# undef ftruncate 47# undef ftruncate
45# undef open 48# undef open
49# undef link
46# undef close 50# undef close
47# undef unlink 51# undef unlink
52# undef mkdir
48# undef rmdir 53# undef rmdir
49# undef rename 54# undef rename
50# undef lseek 55# undef lseek
56# undef opendir
57# undef readdir
58# undef closedir
59# undef chmod
60# undef fchmod
51 61
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 opendir(fd) EIO_ERRNO (ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1) 63# define readdir(fd) EIO_ENOSYS ()
63# define closedir(fd) (errno = ENOSYS, -1) 64# define closedir(fd) EIO_ENOSYS ()
64# define mkdir(a,b) mkdir (a)
65 65
66#else 66#else
67 67
68# include <sys/time.h> 68# include <sys/time.h>
69# include <sys/select.h> 69# include <sys/select.h>
70# include <unistd.h> 70# include <unistd.h>
71# include <utime.h> 71# include <utime.h>
72# include <signal.h> 72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74 73
75#endif 74#endif
76
77/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */
79#undef readdir
80#undef opendir
81#undef closedir
82 75
83#define EIO_STRUCT_STAT Stat_t 76#define EIO_STRUCT_STAT Stat_t
84 77
85/* use NV for 32 bit perls as it allows larger offsets */ 78/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8 79#if IVSIZE >= 8
… …
118 STRLEN stroffset; \ 111 STRLEN stroffset; \
119 SV *self; 112 SV *self;
120 113
121#define EIO_NO_WRAPPERS 1 114#define EIO_NO_WRAPPERS 1
122 115
116#include "libeio/config.h"
123#include "libeio/eio.h" 117#include "libeio/eio.h"
118
119/* Linux/others */
120#ifndef O_ASYNC
121# define O_ASYNC 0
122#endif
123#ifndef O_DIRECT
124# define O_DIRECT 0
125#endif
126#ifndef O_NOATIME
127# define O_NOATIME 0
128#endif
129
130/* POSIX */
131#ifndef O_CLOEXEC
132# define O_CLOEXEC 0
133#endif
134#ifndef O_NOFOLLOW
135# define O_NOFOLLOW 0
136#endif
137#ifndef O_NOCTTY
138# define O_NOCTTY 0
139#endif
140#ifndef O_NONBLOCK
141# define O_NONBLOCK 0
142#endif
143#ifndef O_EXEC
144# define O_EXEC 0
145#endif
146#ifndef O_SEARCH
147# define O_SEARCH 0
148#endif
149#ifndef O_DIRECTORY
150# define O_DIRECTORY 0
151#endif
152#ifndef O_DSYNC
153# define O_DSYNC 0
154#endif
155#ifndef O_RSYNC
156# define O_RSYNC 0
157#endif
158#ifndef O_SYNC
159# define O_SYNC 0
160#endif
161#ifndef O_TTY_INIT
162# define O_TTY_INIT 0
163#endif
124 164
125#ifndef POSIX_FADV_NORMAL 165#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 166# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 167#endif
129#ifndef POSIX_FADV_SEQUENTIAL 168#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 169# define POSIX_FADV_SEQUENTIAL 0
131#endif 170#endif
132#ifndef POSIX_FADV_RANDOM 171#ifndef POSIX_FADV_RANDOM
… …
140#endif 179#endif
141#ifndef POSIX_FADV_DONTNEED 180#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 181# define POSIX_FADV_DONTNEED 0
143#endif 182#endif
144 183
184#if !HAVE_POSIX_FADVISE
185# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
186#endif
187
188#ifndef POSIX_MADV_NORMAL
189# define POSIX_MADV_NORMAL 0
190#endif
191#ifndef POSIX_MADV_SEQUENTIAL
192# define POSIX_MADV_SEQUENTIAL 0
193#endif
194#ifndef POSIX_MADV_RANDOM
195# define POSIX_MADV_RANDOM 0
196#endif
197#ifndef POSIX_MADV_WILLNEED
198# define POSIX_MADV_WILLNEED 0
199#endif
200#ifndef POSIX_MADV_DONTNEED
201# define POSIX_MADV_DONTNEED 0
202#endif
203
204#if !HAVE_POSIX_MADVISE
205# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206#endif
207
208#ifndef PROT_NONE
209# define PROT_NONE 0
210#endif
211#ifndef PROT_READ
212# define PROT_READ 0
213#endif
214#ifndef PROT_WRITE
215# define PROT_READ 0
216#endif
217#ifndef PROT_EXEC
218# define PROT_EXEC 0
219#endif
220
221#ifndef ST_RDONLY
222# define ST_RDONLY 0
223#endif
224#ifndef ST_NOSUID
225# define ST_NOSUID 0
226#endif
145#ifndef ST_NODEV 227#ifndef ST_NODEV
146# define ST_NODEV 0 228# define ST_NODEV 0
147#endif 229#endif
148#ifndef ST_NOEXEC 230#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 231# define ST_NOEXEC 0
… …
171#endif 253#endif
172#ifndef ST_RELATIME 254#ifndef ST_RELATIME
173# define ST_RELATIME 0 255# define ST_RELATIME 0
174#endif 256#endif
175 257
176#ifndef MCL_CURRENT 258#ifndef S_IFIFO
177# define MCL_CURRENT 0 259# define S_IFIFO 0
178#endif 260#endif
179#ifndef MCL_FUTURE 261#ifndef S_IFCHR
180# define MCL_FUTURE 0 262# define S_IFCHR 0
263#endif
264#ifndef S_IFBLK
265# define S_IFBLK 0
266#endif
267#ifndef S_IFLNK
268# define S_IFLNK 0
269#endif
270#ifndef S_IFREG
271# define S_IFREG 0
272#endif
273#ifndef S_IFDIR
274# define S_IFDIR 0
275#endif
276#ifndef S_IFWHT
277# define S_IFWHT 0
278#endif
279#ifndef S_IFSOCK
280# define S_IFSOCK 0
181#endif 281#endif
182 282
183#ifndef MAP_ANONYMOUS 283#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 284# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 285# define MAP_ANONYMOUS MAP_ANON
… …
199#ifndef MAP_POPULATE 299#ifndef MAP_POPULATE
200# define MAP_POPULATE 0 300# define MAP_POPULATE 0
201#endif 301#endif
202#ifndef MAP_NONBLOCK 302#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0 303# define MAP_NONBLOCK 0
304#endif
305
306#ifndef makedev
307# define makedev(maj,min) (((maj) << 8) | (min))
308#endif
309#ifndef major
310# define major(dev) ((dev) >> 8)
311#endif
312#ifndef minor
313# define minor(dev) ((dev) & 0xff)
204#endif 314#endif
205 315
206#ifndef PAGESIZE 316#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE) 317# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 318#endif
… …
304 } 414 }
305} 415}
306 416
307static int req_invoke (eio_req *req) 417static int req_invoke (eio_req *req)
308{ 418{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 419 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 420 SvREADONLY_off (req->sv2);
313 421
314 if (!EIO_CANCELLED (req) && req->callback) 422 if (!EIO_CANCELLED (req) && req->callback)
315 { 423 {
424 dSP;
425 static SV *sv_result_cache; /* caches the result integer SV */
426 SV *sv_result;
427
316 ENTER; 428 ENTER;
317 SAVETMPS; 429 SAVETMPS;
318 PUSHMARK (SP); 430 PUSHMARK (SP);
319 EXTEND (SP, 1); 431 EXTEND (SP, 1);
432
433 /* do not recreate the result IV from scratch each time */
434 if (expect_true (sv_result_cache))
435 {
436 sv_result = sv_result_cache; sv_result_cache = 0;
437 SvIV_set (sv_result, req->result);
438 SvIOK_only (sv_result);
439 }
440 else
441 {
442 sv_result = newSViv (req->result);
443 SvREADONLY_on (sv_result);
444 }
320 445
321 switch (req->type) 446 switch (req->type)
322 { 447 {
323 case EIO_READDIR: 448 case EIO_READDIR:
324 { 449 {
… …
415 case EIO_STATVFS: 540 case EIO_STATVFS:
416 case EIO_FSTATVFS: 541 case EIO_FSTATVFS:
417 { 542 {
418 SV *rv = &PL_sv_undef; 543 SV *rv = &PL_sv_undef;
419 544
545#ifndef _WIN32
420 if (req->result >= 0) 546 if (req->result >= 0)
421 { 547 {
422 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423 HV *hv = newHV (); 549 HV *hv = newHV ();
424 550
… …
434 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
435 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
436 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
437 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
438 } 564 }
565#endif
439 566
440 PUSHs (rv); 567 PUSHs (rv);
441 } 568 }
442 569
443 break; 570 break;
… …
459 case EIO_NOP: 586 case EIO_NOP:
460 case EIO_BUSY: 587 case EIO_BUSY:
461 break; 588 break;
462 589
463 case EIO_READLINK: 590 case EIO_READLINK:
591 case EIO_REALPATH:
464 if (req->result > 0) 592 if (req->result > 0)
465 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 593 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466 break; 594 break;
467 595
468 case EIO_STAT: 596 case EIO_STAT:
469 case EIO_LSTAT: 597 case EIO_LSTAT:
470 case EIO_FSTAT: 598 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 599 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472 PL_laststatval = req->result; 600 PL_laststatval = req->result;
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 601 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 602 PUSHs (sv_result);
475 break; 603 break;
476 604
477 case EIO_READ: 605 case EIO_READ:
478 { 606 {
479 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 607 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
480 *SvEND (req->sv2) = 0; 608 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 609 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 610 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 611 PUSHs (sv_result);
484 } 612 }
485 break; 613 break;
486 614
487 case EIO_DUP2: 615 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 616 if (req->result > 0)
489 req->result = 0; 617 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 618 /* FALLTHROUGH */
491 619
492 default: 620 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 621 PUSHs (sv_result);
494 break; 622 break;
495 } 623 }
496 624
497 errno = req->errorno; 625 errno = req->errorno;
498 626
499 PUTBACK; 627 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 628 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 SPAGAIN; 629 SPAGAIN;
630
631 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
632 SvREFCNT_dec (sv_result);
633 else
634 sv_result_cache = sv_result;
502 635
503 FREETMPS; 636 FREETMPS;
504 LEAVE; 637 LEAVE;
505 638
506 PUTBACK; 639 PUTBACK;
… …
535 grp->sv2 = 0; 668 grp->sv2 = 0;
536 669
537 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
538} 671}
539 672
540static void
541create_respipe (void) 673static void create_respipe (void)
542{ 674{
543 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
544 croak ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
545} 677}
546 678
… …
589#if !_POSIX_MAPPED_FILES 721#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1) 723# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif 724#endif
593 725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
594#define MMAP_MAGIC PERL_MAGIC_ext 735#define MMAP_MAGIC PERL_MAGIC_ext
595 736
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 737static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 738{
599 int old_errno = errno; 739 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 740 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno; 741 errno = old_errno;
602 742
603 mg->mg_obj = 0; /* just in case */ 743 mg->mg_obj = 0; /* just in case */
604 744
605 SvREADONLY_off (sv); 745 SvREADONLY_off (sv);
746
747 if (SvPVX (sv) != mg->mg_ptr)
748 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
606 SvCUR_set (sv, 0); 750 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 751 SvPVX (sv) = 0;
609 SvOK_off (sv); 752 SvOK_off (sv);
610 753
611 return 0; 754 return 0;
612} 755}
… …
615 0, 0, 0, 0, mmap_free 758 0, 0, 0, 0, mmap_free
616}; 759};
617 760
618/*****************************************************************************/ 761/*****************************************************************************/
619 762
620static SV *
621get_cb (SV *cb_sv) 763static SV * get_cb (SV *cb_sv)
622{ 764{
623 SvGETMAGIC (cb_sv); 765 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 766 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 767}
626 768
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 804# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 805 const_iv (EXDEV)
664 const_iv (ENOSYS) 806 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 807 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 808 const_iv (O_WRONLY)
809 const_iv (O_RDWR)
667 const_iv (O_CREAT) 810 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 811 const_iv (O_TRUNC)
669#ifndef _WIN32 812 const_iv (O_EXCL)
813 const_iv (O_APPEND)
814
815 const_iv (O_ASYNC)
816 const_iv (O_DIRECT)
817 const_iv (O_NOATIME)
818
819 const_iv (O_CLOEXEC)
820 const_iv (O_NOCTTY)
821 const_iv (O_NOFOLLOW)
822 const_iv (O_NONBLOCK)
823 const_iv (O_EXEC)
824 const_iv (O_SEARCH)
825 const_iv (O_DIRECTORY)
826 const_iv (O_DSYNC)
827 const_iv (O_RSYNC)
828 const_iv (O_SYNC)
829 const_iv (O_TTY_INIT)
830
670 const_iv (S_IFIFO) 831 const_iv (S_IFIFO)
671#endif 832 const_iv (S_IFCHR)
833 const_iv (S_IFBLK)
834 const_iv (S_IFLNK)
835 const_iv (S_IFREG)
836 const_iv (S_IFDIR)
837 const_iv (S_IFWHT)
838 const_iv (S_IFSOCK)
839 const_iv (S_IFMT)
840
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 841 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 842 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 843 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 844 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 845 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 846 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
847
848 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
849 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
850 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
851 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
852 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 853
679 const_iv (ST_RDONLY) 854 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 855 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 856 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 857 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 862 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 863 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 864 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 865 const_iv (ST_RELATIME)
691 866
867 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 868 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 869 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 870 const_iv (PROT_WRITE)
696 871
697 /*const_iv (MAP_FIXED)*/ 872 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 873 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 879 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 880 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 881 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 882 const_iv (MAP_NONBLOCK)
708 883
709 const_iv (MCL_FUTURE) 884 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 885 const_eio (MCL_CURRENT)
711 886
712 const_eio (MS_ASYNC) 887 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 888 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 889 const_eio (MS_SYNC)
715 890
716 const_eio (MT_MODIFY) 891 const_eio (MT_MODIFY)
717 892
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 893 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 894 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 895 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896
897 const_eio (FALLOC_FL_KEEP_SIZE)
721 898
722 const_eio (READDIR_DENTS) 899 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 900 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 901 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 902 const_eio (READDIR_FOUND_UNKNOWN)
… …
752 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
754} 931}
755 932
756void 933void
757max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 935 PROTOTYPE: $
759 CODE: 936 CODE:
760 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
761 938
762void 939void
… …
764 PROTOTYPE: $ 941 PROTOTYPE: $
765 CODE: 942 CODE:
766 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
767 944
768void 945void
769min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 947 PROTOTYPE: $
771 CODE: 948 CODE:
772 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
773 950
774void 951void
775max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 953 PROTOTYPE: $
777 CODE: 954 CODE:
778 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
779 956
780void 957void
781max_idle (int nthreads) 958max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 959 PROTOTYPE: $
783 CODE: 960 CODE:
784 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
785 962
786void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
787max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 971 PROTOTYPE: $
789 CODE: 972 CODE:
790 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
791 974
792void 975void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 977 PPCODE:
796{ 978{
797 dREQ; 979 dREQ;
798 980
799 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
… …
805 REQ_SEND; 987 REQ_SEND;
806} 988}
807 989
808void 990void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 992 ALIAS:
812 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 995 PPCODE:
815{ 996{
… …
823 REQ_SEND (req); 1004 REQ_SEND (req);
824} 1005}
825 1006
826void 1007void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1009 PPCODE:
830{ 1010{
831 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1012 dREQ;
833 1013
… …
840 1020
841 REQ_SEND (req); 1021 REQ_SEND (req);
842} 1022}
843 1023
844void 1024void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1025aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1026 PPCODE:
848{ 1027{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1029 dREQ;
852 1030
853 if (close_pipe < 0) 1031 req->type = EIO_FALLOCATE;
1032 req->sv1 = newSVsv (fh);
1033 req->int1 = fd;
1034 req->int2 = mode;
1035 req->offs = offset;
1036 req->size = len;
1037
1038 REQ_SEND (req);
1039}
1040
1041void
1042aio_close (SV *fh, SV *callback=&PL_sv_undef)
1043 PPCODE:
1044{
1045 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1046 int fd = s_fileno_croak (fh, 0);
1047 dREQ;
1048
1049 if (expect_false (close_fd < 0))
854 { 1050 {
1051#ifdef _WIN32
1052 close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);
1053#else
855 int pipefd [2]; 1054 int pipefd [2];
856 1055
857 if (pipe (pipefd) < 0 1056 if (pipe (pipefd) < 0
858 || close (pipefd [1]) < 0 1057 || close (pipefd [1]) < 0
859 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1058 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
860 abort (); /*D*/ 1059 abort (); /*D*/
861 1060
862 close_pipe = pipefd [0]; 1061 close_fd = pipefd [0];
1062#endif
863 } 1063 }
864 1064
865 req->type = EIO_DUP2; 1065 req->type = EIO_DUP2;
866 req->int1 = close_pipe; 1066 req->int1 = close_fd;
867 req->sv2 = newSVsv (fh); 1067 req->sv2 = newSVsv (fh);
868 req->int2 = fd; 1068 req->int2 = fd;
869 1069
870 REQ_SEND (req); 1070 REQ_SEND (req);
871} 1071}
… …
873void 1073void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1074aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 1075 ALIAS:
876 aio_read = EIO_READ 1076 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1077 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1078 PPCODE:
880{ 1079{
881 STRLEN svlen; 1080 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1081 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1082 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1123 }
925} 1124}
926 1125
927void 1126void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1127aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$ 1128 ALIAS:
1129 aio_readlink = EIO_READLINK
1130 aio_realpath = EIO_REALPATH
930 PPCODE: 1131 PPCODE:
931{ 1132{
932 SV *data; 1133 SV *data;
933 dREQ; 1134 dREQ;
934 1135
935 req->type = EIO_READLINK; 1136 req->type = ix;
936 req->sv1 = newSVsv (path); 1137 req->sv1 = newSVsv (path);
937 req->ptr1 = SvPVbyte_nolen (req->sv1); 1138 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1139
939 REQ_SEND; 1140 REQ_SEND;
940} 1141}
941 1142
942void 1143void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1144aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1145 PPCODE:
946{ 1146{
947 int ifd = s_fileno_croak (in_fh , 0); 1147 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1148 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1149 dREQ;
… …
959 REQ_SEND; 1159 REQ_SEND;
960} 1160}
961 1161
962void 1162void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1163aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1164 PPCODE:
966{ 1165{
967 int fd = s_fileno_croak (fh, 0); 1166 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1167 dREQ;
969 1168
… …
1000 } 1199 }
1001 1200
1002 REQ_SEND; 1201 REQ_SEND;
1003} 1202}
1004 1203
1204UV
1205major (UV dev)
1206 ALIAS:
1207 minor = 1
1208 CODE:
1209 RETVAL = ix ? major (dev) : minor (dev);
1210 OUTPUT:
1211 RETVAL
1212
1213UV
1214makedev (UV maj, UV min)
1215 CODE:
1216 RETVAL = makedev (maj, min);
1217 OUTPUT:
1218 RETVAL
1219
1005void 1220void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1221aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007 PPCODE: 1222 PPCODE:
1008{ 1223{
1009 dREQ; 1224 dREQ;
… …
1170void 1385void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1386aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS: 1387 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1388 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1389 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1390 PPCODE:
1177{ 1391{
1178 STRLEN svlen; 1392 STRLEN svlen;
1393 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1394 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1395
1182 if (offset < 0) 1396 if (offset < 0)
1183 offset += svlen; 1397 offset += svlen;
1184 1398
1185 if (offset < 0 || offset > svlen) 1399 if (offset < 0 || offset > svlen)
… …
1190 1404
1191 { 1405 {
1192 dREQ; 1406 dREQ;
1193 1407
1194 req->type = ix; 1408 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1409 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1410 req->ptr2 = (char *)svptr + offset;
1411 req->size = len;
1198 req->int1 = flags; 1412 req->int1 = flags;
1199 1413
1200 REQ_SEND; 1414 REQ_SEND;
1201 } 1415 }
1202} 1416}
1203 1417
1204void 1418void
1419aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1420 PPCODE:
1421{
1422 STRLEN svlen;
1423 char *svptr = SvPVbyte (data, svlen);
1424 UV len = SvUV (length);
1425
1426 if (offset < 0)
1427 offset += svlen;
1428
1429 if (offset < 0 || offset > svlen)
1430 croak ("offset outside of scalar");
1431
1432 if (!SvOK (length) || len + offset > svlen)
1433 len = svlen - offset;
1434
1435 {
1436 dREQ;
1437
1438 req->type = EIO_MLOCK;
1439 req->sv2 = SvREFCNT_inc (data);
1440 req->ptr2 = (char *)svptr + offset;
1441 req->size = len;
1442
1443 REQ_SEND;
1444 }
1445}
1446
1447void
1448aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1449 PPCODE:
1450{
1451 dREQ;
1452
1453 req->type = EIO_MLOCKALL;
1454 req->int1 = flags;
1455
1456 REQ_SEND;
1457}
1458
1459void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1460aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1461 PPCODE:
1207{ 1462{
1208 dREQ; 1463 dREQ;
1209 1464
… …
1213 REQ_SEND; 1468 REQ_SEND;
1214} 1469}
1215 1470
1216void 1471void
1217aio_group (SV *callback=&PL_sv_undef) 1472aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1473 PPCODE:
1220{ 1474{
1221 dREQ; 1475 dREQ;
1222 1476
1223 req->type = EIO_GROUP; 1477 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1494 REQ_SEND;
1241} 1495}
1242 1496
1243int 1497int
1244aioreq_pri (int pri = 0) 1498aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1499 CODE:
1247 RETVAL = next_pri; 1500 RETVAL = next_pri;
1248 if (items > 0) 1501 if (items > 0)
1249 { 1502 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1503 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1515 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1516 next_pri = nice;
1264 1517
1265void 1518void
1266flush () 1519flush ()
1267 PROTOTYPE:
1268 CODE: 1520 CODE:
1269 while (eio_nreqs ()) 1521 while (eio_nreqs ())
1270 { 1522 {
1271 poll_wait (); 1523 poll_wait ();
1272 poll_cb (); 1524 poll_cb ();
1273 } 1525 }
1274 1526
1275int 1527int
1276poll() 1528poll ()
1277 PROTOTYPE:
1278 CODE: 1529 CODE:
1279 poll_wait (); 1530 poll_wait ();
1280 RETVAL = poll_cb (); 1531 RETVAL = poll_cb ();
1281 OUTPUT: 1532 OUTPUT:
1282 RETVAL 1533 RETVAL
1283 1534
1284int 1535int
1285poll_fileno() 1536poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1537 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1538 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1539 OUTPUT:
1290 RETVAL 1540 RETVAL
1291 1541
1292int 1542int
1293poll_cb(...) 1543poll_cb (...)
1294 PROTOTYPE: 1544 PROTOTYPE:
1295 CODE: 1545 CODE:
1296 RETVAL = poll_cb (); 1546 RETVAL = poll_cb ();
1297 OUTPUT: 1547 OUTPUT:
1298 RETVAL 1548 RETVAL
1299 1549
1300void 1550void
1301poll_wait() 1551poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1552 CODE:
1304 poll_wait (); 1553 poll_wait ();
1305 1554
1306int 1555int
1307nreqs() 1556nreqs ()
1308 PROTOTYPE:
1309 CODE: 1557 CODE:
1310 RETVAL = eio_nreqs (); 1558 RETVAL = eio_nreqs ();
1311 OUTPUT: 1559 OUTPUT:
1312 RETVAL 1560 RETVAL
1313 1561
1314int 1562int
1315nready() 1563nready ()
1316 PROTOTYPE:
1317 CODE: 1564 CODE:
1318 RETVAL = eio_nready (); 1565 RETVAL = eio_nready ();
1319 OUTPUT: 1566 OUTPUT:
1320 RETVAL 1567 RETVAL
1321 1568
1322int 1569int
1323npending() 1570npending ()
1324 PROTOTYPE:
1325 CODE: 1571 CODE:
1326 RETVAL = eio_npending (); 1572 RETVAL = eio_npending ();
1327 OUTPUT: 1573 OUTPUT:
1328 RETVAL 1574 RETVAL
1329 1575
1330int 1576int
1331nthreads() 1577nthreads ()
1332 PROTOTYPE:
1333 CODE: 1578 CODE:
1334 RETVAL = eio_nthreads (); 1579 RETVAL = eio_nthreads ();
1335 OUTPUT: 1580 OUTPUT:
1336 RETVAL 1581 RETVAL
1337 1582
1338int 1583int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1584fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1585 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1586 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1587 OUTPUT:
1348 RETVAL 1588 RETVAL
1349 1589
1350ssize_t 1590ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1591sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1592 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1593 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1594 OUTPUT:
1356 RETVAL 1595 RETVAL
1357 1596
1358void 1597void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1598mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1599 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1600 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1601{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1602 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1603 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1604 if (addr == (void *)-1)
1367 XSRETURN_NO; 1605 XSRETURN_NO;
1368 1606
1607 sv_force_normal (scalar);
1608
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1609 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1610 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1611 ->mg_obj = (SV *)length;
1372 1612
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1613 SvUPGRADE (scalar, SVt_PV); /* nop... */
1614
1374 if (!(prot & PROT_WRITE)) 1615 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1616 SvREADONLY_on (scalar);
1617
1618 if (SvLEN (scalar))
1619 Safefree (SvPVX (scalar));
1376 1620
1377 SvPVX (scalar) = (char *)addr; 1621 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1622 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1623 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1624 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1626 XSRETURN_YES;
1383} 1627}
1384 1628
1385void 1629void
1386munmap (SV *scalar) 1630munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1631 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1632 sv_unmagic (scalar, MMAP_MAGIC);
1390 1633
1391int 1634int
1392mlockall (int flags) 1635madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1636 ALIAS:
1637 mprotect = 1
1394 CODE: 1638 CODE:
1639{
1640 STRLEN svlen;
1641 void *addr = SvPVbyte (scalar, svlen);
1642 size_t len = SvUV (length);
1643
1644 if (offset < 0)
1645 offset += svlen;
1646
1647 if (offset < 0 || offset > svlen)
1648 croak ("offset outside of scalar");
1649
1650 if (!SvOK (length) || len + offset > svlen)
1651 len = svlen - offset;
1652
1653 addr = (void *)(((intptr_t)addr) + offset);
1654 eio_page_align (&addr, &len);
1655
1656 switch (ix)
1657 {
1658 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1659 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1660 }
1661}
1662 OUTPUT:
1663 RETVAL
1664
1665int
1666munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1667 CODE:
1668{
1669 STRLEN svlen;
1670 void *addr = SvPVbyte (scalar, svlen);
1671 size_t len = SvUV (length);
1672
1673 if (offset < 0)
1674 offset += svlen;
1675
1676 if (offset < 0 || offset > svlen)
1677 croak ("offset outside of scalar");
1678
1679 if (!SvOK (length) || len + offset > svlen)
1680 len = svlen - offset;
1681
1682 addr = (void *)(((intptr_t)addr) + offset);
1683 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 1684#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1685 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 1686#else
1402 RETVAL = -1; 1687 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1688#endif
1689}
1405 OUTPUT: 1690 OUTPUT:
1406 RETVAL 1691 RETVAL
1407 1692
1408int 1693int
1409munlockall () 1694munlockall ()
1410 PROTOTYPE:
1411 CODE: 1695 CODE:
1412#if _POSIX_MEMLOCK 1696#if _POSIX_MEMLOCK
1413 munlockall (); 1697 munlockall ();
1414#else 1698#else
1415 RETVAL = -1; 1699 RETVAL = -1;

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