[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 2010 UTC vs.
Revision 1.191 by root, Tue Jul 19 05:00:11 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
		120	static int req_invoke (eio_req *req);
		121	#define EIO_FINISH(req) req_invoke (req)
		122	static 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
248	static int req_invoke (eio_req *req);
249	#define EIO_FINISH(req) req_invoke (req)
250	static void req_destroy (eio_req *grp);
251	#define EIO_DESTROY(req) req_destroy (req)
252		327
253	enum {	328	enum {
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
259	typedef eio_req *aio_req;	332	typedef eio_req *aio_req;
260	typedef eio_req *aio_req_ornot;	333	typedef eio_req *aio_req_ornot;
261		334
262	static SV *on_next_submit;	335	static 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
584	static void req_cancel_subs (aio_req grp)	662	static 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
597	static void
598	create_respipe (void)	673	static 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
639	static void atfork_child (void)	714	static void ecb_cold
		715	reinit (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
654	static int
655	mmap_free (pTHX_ SV sv, MAGIC mg)	741	static 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
681	static SV *
682	get_cb (SV *cb_sv)	767	static 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)
…		…
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; )
813	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->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
826	void	931	void
		932	reinit ()
		933	PROTOTYPE:
		934	CODE:
		935	reinit ();
		936
		937	void
827	max_poll_reqs (int nreqs)	938	max_poll_reqs (unsigned int nreqs)
828	PROTOTYPE: $	939	PROTOTYPE: $
829	CODE:	940	CODE:
830	eio_set_max_poll_reqs (nreqs);	941	eio_set_max_poll_reqs (nreqs);
831		942
832	void	943	void
…		…
834	PROTOTYPE: $	945	PROTOTYPE: $
835	CODE:	946	CODE:
836	eio_set_max_poll_time (nseconds);	947	eio_set_max_poll_time (nseconds);
837		948
838	void	949	void
839	min_parallel (int nthreads)	950	min_parallel (unsigned int nthreads)
840	PROTOTYPE: $	951	PROTOTYPE: $
841	CODE:	952	CODE:
842	eio_set_min_parallel (nthreads);	953	eio_set_min_parallel (nthreads);
843		954
844	void	955	void
845	max_parallel (int nthreads)	956	max_parallel (unsigned int nthreads)
846	PROTOTYPE: $	957	PROTOTYPE: $
847	CODE:	958	CODE:
848	eio_set_max_parallel (nthreads);	959	eio_set_max_parallel (nthreads);
849		960
850	void	961	void
851	max_idle (int nthreads)	962	max_idle (unsigned int nthreads)
852	PROTOTYPE: $	963	PROTOTYPE: $
853	CODE:	964	CODE:
854	eio_set_max_idle (nthreads);	965	eio_set_max_idle (nthreads);
855		966
856	void	967	void
		968	idle_timeout (unsigned int seconds)
		969	PROTOTYPE: $
		970	CODE:
		971	eio_set_idle_timeout (seconds);
		972
		973	void
857	max_outstanding (int maxreqs)	974	max_outstanding (unsigned int maxreqs)
858	PROTOTYPE: $	975	PROTOTYPE: $
859	CODE:	976	CODE:
860	max_outstanding = maxreqs;	977	max_outstanding = maxreqs;
861		978
862	void	979	void
863	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	980	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
864	PROTOTYPE: $$$;$
865	PPCODE:	981	PPCODE:
866	{	982	{
867	dREQ;	983	dREQ;
868		984
869	req->type = EIO_OPEN;	985	req->type = EIO_OPEN;
…		…
875	REQ_SEND;	991	REQ_SEND;
876	}	992	}
877		993
878	void	994	void
879	aio_fsync (SV fh, SV callback=&PL_sv_undef)	995	aio_fsync (SV fh, SV callback=&PL_sv_undef)
880	PROTOTYPE: $;$
881	ALIAS:	996	ALIAS:
882	aio_fsync = EIO_FSYNC	997	aio_fsync = EIO_FSYNC
883	aio_fdatasync = EIO_FDATASYNC	998	aio_fdatasync = EIO_FDATASYNC
884	PPCODE:	999	PPCODE:
885	{	1000	{
…		…
893	REQ_SEND (req);	1008	REQ_SEND (req);
894	}	1009	}
895		1010
896	void	1011	void
897	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1012	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
898	PROTOTYPE: $$$$;$
899	PPCODE:	1013	PPCODE:
900	{	1014	{
901	int fd = s_fileno_croak (fh, 0);	1015	int fd = s_fileno_croak (fh, 0);
902	dREQ;	1016	dREQ;
903		1017
…		…
910		1024
911	REQ_SEND (req);	1025	REQ_SEND (req);
912	}	1026	}
913		1027
914	void	1028	void
915	aio_close (SV fh, SV callback=&PL_sv_undef)	1029	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
916	PROTOTYPE: $;$
917	PPCODE:	1030	PPCODE:
918	{	1031	{
919	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920	int fd = s_fileno_croak (fh, 0);	1032	int fd = s_fileno_croak (fh, 0);
921	dREQ;	1033	dREQ;
922		1034
923	if (close_pipe < 0)	1035	req->type = EIO_FALLOCATE;
		1036	req->sv1 = newSVsv (fh);
		1037	req->int1 = fd;
		1038	req->int2 = mode;
		1039	req->offs = offset;
		1040	req->size = len;
		1041
		1042	REQ_SEND (req);
		1043	}
		1044
		1045	void
		1046	aio_close (SV fh, SV callback=&PL_sv_undef)
		1047	PPCODE:
		1048	{
		1049	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1050	int fd = s_fileno_croak (fh, 0);
		1051	dREQ;
		1052
		1053	if (expect_false (close_fd < 0))
924	{	1054	{
925	int pipefd [2];	1055	int pipefd [2];
926		1056
		1057	if (
		1058	#ifdef _WIN32
		1059	_pipe (pipefd, 1, _O_BINARY) < 0
		1060	#else
927	if (pipe (pipefd) < 0	1061	pipe (pipefd) < 0
928	\|\| close (pipefd [1]) < 0
929	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1062	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1063	#endif
		1064	\|\| close (pipefd [1]) < 0
		1065	)
930	abort (); /D/	1066	abort (); /D/
931		1067
932	close_pipe = pipefd [0];	1068	close_fd = pipefd [0];
933	}	1069	}
934		1070
935	req->type = EIO_DUP2;	1071	req->type = EIO_DUP2;
936	req->int1 = close_pipe;	1072	req->int1 = close_fd;
937	req->sv2 = newSVsv (fh);	1073	req->sv2 = newSVsv (fh);
938	req->int2 = fd;	1074	req->int2 = fd;
939		1075
940	REQ_SEND (req);	1076	REQ_SEND (req);
941	}	1077	}
…		…
943	void	1079	void
944	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1080	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
945	ALIAS:	1081	ALIAS:
946	aio_read = EIO_READ	1082	aio_read = EIO_READ
947	aio_write = EIO_WRITE	1083	aio_write = EIO_WRITE
948	PROTOTYPE: $$$$$;$
949	PPCODE:	1084	PPCODE:
950	{	1085	{
951	STRLEN svlen;	1086	STRLEN svlen;
952	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1087	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953	char *svptr = SvPVbyte (data, svlen);	1088	char *svptr = SvPVbyte (data, svlen);
…		…
994	}	1129	}
995	}	1130	}
996		1131
997	void	1132	void
998	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1133	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
999	PROTOTYPE: $$;$	1134	ALIAS:
		1135	aio_readlink = EIO_READLINK
		1136	aio_realpath = EIO_REALPATH
1000	PPCODE:	1137	PPCODE:
1001	{	1138	{
1002	SV *data;
1003	dREQ;	1139	dREQ;
1004		1140
1005	req->type = EIO_READLINK;	1141	req->type = ix;
1006	req->sv1 = newSVsv (path);	1142	req->sv1 = newSVsv (path);
1007	req->ptr1 = SvPVbyte_nolen (req->sv1);	1143	req->ptr1 = SvPVbyte_nolen (req->sv1);
1008		1144
1009	REQ_SEND;	1145	REQ_SEND;
1010	}	1146	}
1011		1147
1012	void	1148	void
1013	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1149	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1014	PROTOTYPE: $$$$;$
1015	PPCODE:	1150	PPCODE:
1016	{	1151	{
1017	int ifd = s_fileno_croak (in_fh , 0);	1152	int ifd = s_fileno_croak (in_fh , 0);
1018	int ofd = s_fileno_croak (out_fh, 1);	1153	int ofd = s_fileno_croak (out_fh, 1);
1019	dREQ;	1154	dREQ;
…		…
1029	REQ_SEND;	1164	REQ_SEND;
1030	}	1165	}
1031		1166
1032	void	1167	void
1033	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1168	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
1034	PROTOTYPE: $$$;$
1035	PPCODE:	1169	PPCODE:
1036	{	1170	{
1037	int fd = s_fileno_croak (fh, 0);	1171	int fd = s_fileno_croak (fh, 0);
1038	dREQ;	1172	dREQ;
1039		1173
…		…
1070	}	1204	}
1071		1205
1072	REQ_SEND;	1206	REQ_SEND;
1073	}	1207	}
1074		1208
		1209	UV
		1210	major (UV dev)
		1211	ALIAS:
		1212	minor = 1
		1213	CODE:
		1214	RETVAL = ix ? major (dev) : minor (dev);
		1215	OUTPUT:
		1216	RETVAL
		1217
		1218	UV
		1219	makedev (UV maj, UV min)
		1220	CODE:
		1221	RETVAL = makedev (maj, min);
		1222	OUTPUT:
		1223	RETVAL
		1224
1075	void	1225	void
1076	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1226	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
1077	PPCODE:	1227	PPCODE:
1078	{	1228	{
1079	dREQ;	1229	dREQ;
…		…
1240	void	1390	void
1241	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1391	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1242	ALIAS:	1392	ALIAS:
1243	aio_mtouch = EIO_MTOUCH	1393	aio_mtouch = EIO_MTOUCH
1244	aio_msync = EIO_MSYNC	1394	aio_msync = EIO_MSYNC
1245	PROTOTYPE: $$$$;$
1246	PPCODE:	1395	PPCODE:
1247	{	1396	{
1248	STRLEN svlen;	1397	STRLEN svlen;
		1398	char *svptr = SvPVbyte (data, svlen);
1249	UV len = SvUV (length);	1399	UV len = SvUV (length);
1250	char *svptr = SvPVbyte (data, svlen);
1251		1400
1252	if (offset < 0)	1401	if (offset < 0)
1253	offset += svlen;	1402	offset += svlen;
1254		1403
1255	if (offset < 0 \|\| offset > svlen)	1404	if (offset < 0 \|\| offset > svlen)
…		…
1260		1409
1261	{	1410	{
1262	dREQ;	1411	dREQ;
1263		1412
1264	req->type = ix;	1413	req->type = ix;
1265	req->size = len;
1266	req->sv2 = SvREFCNT_inc (data);	1414	req->sv2 = SvREFCNT_inc (data);
1267	req->ptr2 = (char *)svptr + offset;	1415	req->ptr2 = (char *)svptr + offset;
		1416	req->size = len;
1268	req->int1 = flags;	1417	req->int1 = flags;
1269		1418
1270	REQ_SEND;	1419	REQ_SEND;
1271	}	1420	}
1272	}	1421	}
1273		1422
1274	void	1423	void
		1424	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1425	PPCODE:
		1426	{
		1427	STRLEN svlen;
		1428	char *svptr = SvPVbyte (data, svlen);
		1429	UV len = SvUV (length);
		1430
		1431	if (offset < 0)
		1432	offset += svlen;
		1433
		1434	if (offset < 0 \|\| offset > svlen)
		1435	croak ("offset outside of scalar");
		1436
		1437	if (!SvOK (length) \|\| len + offset > svlen)
		1438	len = svlen - offset;
		1439
		1440	{
		1441	dREQ;
		1442
		1443	req->type = EIO_MLOCK;
		1444	req->sv2 = SvREFCNT_inc (data);
		1445	req->ptr2 = (char *)svptr + offset;
		1446	req->size = len;
		1447
		1448	REQ_SEND;
		1449	}
		1450	}
		1451
		1452	void
		1453	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1454	PPCODE:
		1455	{
		1456	dREQ;
		1457
		1458	req->type = EIO_MLOCKALL;
		1459	req->int1 = flags;
		1460
		1461	REQ_SEND;
		1462	}
		1463
		1464	void
1275	aio_busy (double delay, SV *callback=&PL_sv_undef)	1465	aio_busy (double delay, SV *callback=&PL_sv_undef)
1276	PPCODE:	1466	PPCODE:
1277	{	1467	{
1278	dREQ;	1468	dREQ;
1279		1469
…		…
1283	REQ_SEND;	1473	REQ_SEND;
1284	}	1474	}
1285		1475
1286	void	1476	void
1287	aio_group (SV *callback=&PL_sv_undef)	1477	aio_group (SV *callback=&PL_sv_undef)
1288	PROTOTYPE: ;$
1289	PPCODE:	1478	PPCODE:
1290	{	1479	{
1291	dREQ;	1480	dREQ;
1292		1481
1293	req->type = EIO_GROUP;	1482	req->type = EIO_GROUP;
…		…
1310	REQ_SEND;	1499	REQ_SEND;
1311	}	1500	}
1312		1501
1313	int	1502	int
1314	aioreq_pri (int pri = 0)	1503	aioreq_pri (int pri = 0)
1315	PROTOTYPE: ;$
1316	CODE:	1504	CODE:
1317	RETVAL = next_pri;	1505	RETVAL = next_pri;
1318	if (items > 0)	1506	if (items > 0)
1319	{	1507	{
1320	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1508	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1332	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1520	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333	next_pri = nice;	1521	next_pri = nice;
1334		1522
1335	void	1523	void
1336	flush ()	1524	flush ()
1337	PROTOTYPE:
1338	CODE:	1525	CODE:
1339	while (eio_nreqs ())	1526	while (eio_nreqs ())
1340	{	1527	{
1341	poll_wait ();	1528	poll_wait ();
1342	poll_cb ();	1529	poll_cb ();
1343	}	1530	}
1344		1531
1345	int	1532	int
1346	poll()	1533	poll ()
1347	PROTOTYPE:
1348	CODE:	1534	CODE:
1349	poll_wait ();	1535	poll_wait ();
1350	RETVAL = poll_cb ();	1536	RETVAL = poll_cb ();
1351	OUTPUT:	1537	OUTPUT:
1352	RETVAL	1538	RETVAL
1353		1539
1354	int	1540	int
1355	poll_fileno()	1541	poll_fileno ()
1356	PROTOTYPE:
1357	CODE:	1542	CODE:
1358	RETVAL = s_epipe_fd (&respipe);	1543	RETVAL = s_epipe_fd (&respipe);
1359	OUTPUT:	1544	OUTPUT:
1360	RETVAL	1545	RETVAL
1361		1546
1362	int	1547	int
1363	poll_cb(...)	1548	poll_cb (...)
1364	PROTOTYPE:	1549	PROTOTYPE:
1365	CODE:	1550	CODE:
1366	RETVAL = poll_cb ();	1551	RETVAL = poll_cb ();
1367	OUTPUT:	1552	OUTPUT:
1368	RETVAL	1553	RETVAL
1369		1554
1370	void	1555	void
1371	poll_wait()	1556	poll_wait ()
1372	PROTOTYPE:
1373	CODE:	1557	CODE:
1374	poll_wait ();	1558	poll_wait ();
1375		1559
1376	int	1560	int
1377	nreqs()	1561	nreqs ()
1378	PROTOTYPE:
1379	CODE:	1562	CODE:
1380	RETVAL = eio_nreqs ();	1563	RETVAL = eio_nreqs ();
1381	OUTPUT:	1564	OUTPUT:
1382	RETVAL	1565	RETVAL
1383		1566
1384	int	1567	int
1385	nready()	1568	nready ()
1386	PROTOTYPE:
1387	CODE:	1569	CODE:
1388	RETVAL = eio_nready ();	1570	RETVAL = eio_nready ();
1389	OUTPUT:	1571	OUTPUT:
1390	RETVAL	1572	RETVAL
1391		1573
1392	int	1574	int
1393	npending()	1575	npending ()
1394	PROTOTYPE:
1395	CODE:	1576	CODE:
1396	RETVAL = eio_npending ();	1577	RETVAL = eio_npending ();
1397	OUTPUT:	1578	OUTPUT:
1398	RETVAL	1579	RETVAL
1399		1580
1400	int	1581	int
1401	nthreads()	1582	nthreads ()
1402	PROTOTYPE:
1403	CODE:	1583	CODE:
1404	RETVAL = eio_nthreads ();	1584	RETVAL = eio_nthreads ();
1405	OUTPUT:	1585	OUTPUT:
1406	RETVAL	1586	RETVAL
1407		1587
1408	int	1588	int
1409	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1589	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410	PROTOTYPE: $$$$
1411	CODE:	1590	CODE:
1412	RETVAL = posix_fadvise (fh, offset, length, advice);	1591	RETVAL = posix_fadvise (fh, offset, length, advice);
1413	OUTPUT:	1592	OUTPUT:
1414	RETVAL	1593	RETVAL
1415		1594
1416	ssize_t	1595	IV
1417	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1596	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418	PROTOTYPE: $$$$
1419	CODE:	1597	CODE:
1420	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1598	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421	OUTPUT:	1599	OUTPUT:
1422	RETVAL	1600	RETVAL
1423		1601
1424	void	1602	void
1425	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1603	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
1426	PROTOTYPE: $$$$$;$
1427	PPCODE:	1604	PPCODE:
1428	sv_unmagic (scalar, MMAP_MAGIC);	1605	sv_unmagic (scalar, MMAP_MAGIC);
1429	{	1606	{
1430	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1607	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1608	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1454	XSRETURN_YES;	1631	XSRETURN_YES;
1455	}	1632	}
1456		1633
1457	void	1634	void
1458	munmap (SV *scalar)	1635	munmap (SV *scalar)
1459	PROTOTYPE: $
1460	CODE:	1636	CODE:
1461	sv_unmagic (scalar, MMAP_MAGIC);	1637	sv_unmagic (scalar, MMAP_MAGIC);
1462		1638
1463	int	1639	int
1464	madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)	1640	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1465	ALIAS:	1641	ALIAS:
1466	mprotect = 1	1642	mprotect = 1
1467	PROTOTYPE: $$$$
1468	CODE:	1643	CODE:
1469	{	1644	{
1470	STRLEN cur;	1645	STRLEN svlen;
1471	char *addr = SvPVbyte (scalar, cur);	1646	void *addr = SvPVbyte (scalar, svlen);
		1647	size_t len = SvUV (length);
1472		1648
1473	if (offset > cur)	1649	if (offset < 0)
1474	RETVAL = errno = EFAULT;	1650	offset += svlen;
1475	else	1651
		1652	if (offset < 0 \|\| offset > svlen)
		1653	croak ("offset outside of scalar");
		1654
		1655	if (!SvOK (length) \|\| len + offset > svlen)
		1656	len = svlen - offset;
		1657
		1658	addr = (void *)(((intptr_t)addr) + offset);
		1659	eio_page_align (&addr, &len);
		1660
		1661	switch (ix)
1476	{	1662	{
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;	1663	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486	case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;	1664	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487	}
1488	}	1665	}
1489	}	1666	}
1490	OUTPUT:	1667	OUTPUT:
1491	RETVAL	1668	RETVAL
1492		1669
1493	int	1670	int
1494	mlockall (int flags)	1671	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
1495	PROTOTYPE: $
1496	CODE:	1672	CODE:
		1673	{
		1674	STRLEN svlen;
		1675	void *addr = SvPVbyte (scalar, svlen);
		1676	size_t len = SvUV (length);
		1677
		1678	if (offset < 0)
		1679	offset += svlen;
		1680
		1681	if (offset < 0 \|\| offset > svlen)
		1682	croak ("offset outside of scalar");
		1683
		1684	if (!SvOK (length) \|\| len + offset > svlen)
		1685	len = svlen - offset;
		1686
		1687	addr = (void *)(((intptr_t)addr) + offset);
		1688	eio_page_align (&addr, &len);
1497	#if _POSIX_MEMLOCK	1689	#if _POSIX_MEMLOCK_RANGE
1498	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1690	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	1691	#else
1504	RETVAL = -1;	1692	RETVAL = ((errno = ENOSYS), -1);
1505	errno = ENOSYS;
1506	#endif	1693	#endif
		1694	}
1507	OUTPUT:	1695	OUTPUT:
1508	RETVAL	1696	RETVAL
1509		1697
1510	int	1698	int
1511	munlockall ()	1699	munlockall ()
1512	PROTOTYPE:
1513	CODE:	1700	CODE:
1514	#if _POSIX_MEMLOCK	1701	#if _POSIX_MEMLOCK
1515	munlockall ();	1702	munlockall ();
1516	#else	1703	#else
1517	RETVAL = -1;	1704	RETVAL = -1;

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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 1.191 by root, Tue Jul 19 05:00:11 2011 UTC

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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 1.191 by root, Tue Jul 19 05:00:11 2011 UTC