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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.192 by root, Sun Jul 24 03:32:52 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
		216	#ifndef PROT_NONE
		217	# define PROT_NONE 0
		218	#endif
		219	#ifndef PROT_READ
		220	# define PROT_READ 0
		221	#endif
		222	#ifndef PROT_WRITE
		223	# define PROT_READ 0
		224	#endif
		225	#ifndef PROT_EXEC
		226	# define PROT_EXEC 0
		227	#endif
		228
		229	#ifndef ST_RDONLY
		230	# define ST_RDONLY 0
		231	#endif
		232	#ifndef ST_NOSUID
		233	# define ST_NOSUID 0
		234	#endif
170	#ifndef ST_NODEV	235	#ifndef ST_NODEV
171	# define ST_NODEV 0	236	# define ST_NODEV 0
172	#endif	237	#endif
173	#ifndef ST_NOEXEC	238	#ifndef ST_NOEXEC
174	# define ST_NOEXEC 0	239	# define ST_NOEXEC 0
…		…
196	#endif	261	#endif
197	#ifndef ST_RELATIME	262	#ifndef ST_RELATIME
198	# define ST_RELATIME 0	263	# define ST_RELATIME 0
199	#endif	264	#endif
200		265
201	#ifndef MCL_CURRENT	266	#ifndef S_IFIFO
202	# define MCL_CURRENT 0	267	# define S_IFIFO 0
203	#endif	268	#endif
204	#ifndef MCL_FUTURE	269	#ifndef S_IFCHR
205	# 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
206	#endif	289	#endif
207		290
208	#ifndef MAP_ANONYMOUS	291	#ifndef MAP_ANONYMOUS
209	# ifdef MAP_ANON	292	# ifdef MAP_ANON
210	# define MAP_ANONYMOUS MAP_ANON	293	# define MAP_ANONYMOUS MAP_ANON
…		…
226	#endif	309	#endif
227	#ifndef MAP_NONBLOCK	310	#ifndef MAP_NONBLOCK
228	# define MAP_NONBLOCK 0	311	# define MAP_NONBLOCK 0
229	#endif	312	#endif
230		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
231	#ifndef PAGESIZE	324	#ifndef PAGESIZE
232	# define PAGESIZE sysconf (_SC_PAGESIZE)	325	# define PAGESIZE sysconf (_SC_PAGESIZE)
233	#endif	326	#endif
234
235	static int req_invoke (eio_req *req);
236	#define EIO_FINISH(req) req_invoke (req)
237	static void req_destroy (eio_req *grp);
238	#define EIO_DESTROY(req) req_destroy (req)
239		327
240	enum {	328	enum {
241	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242	};	330	};
243
244	#include "libeio/eio.c"
245		331
246	typedef eio_req *aio_req;	332	typedef eio_req *aio_req;
247	typedef eio_req *aio_req_ornot;	333	typedef eio_req *aio_req_ornot;
248		334
249	static SV *on_next_submit;	335	static SV *on_next_submit;
…		…
348	/* do not recreate the result IV from scratch each time */	434	/* do not recreate the result IV from scratch each time */
349	if (expect_true (sv_result_cache))	435	if (expect_true (sv_result_cache))
350	{	436	{
351	sv_result = sv_result_cache; sv_result_cache = 0;	437	sv_result = sv_result_cache; sv_result_cache = 0;
352	SvIV_set (sv_result, req->result);	438	SvIV_set (sv_result, req->result);
		439	SvIOK_only (sv_result);
353	}	440	}
354	else	441	else
355	{	442	{
356	sv_result = newSViv (req->result);	443	sv_result = newSViv (req->result);
357	SvREADONLY_on (sv_result);	444	SvREADONLY_on (sv_result);
…		…
454	case EIO_STATVFS:	541	case EIO_STATVFS:
455	case EIO_FSTATVFS:	542	case EIO_FSTATVFS:
456	{	543	{
457	SV *rv = &PL_sv_undef;	544	SV *rv = &PL_sv_undef;
458		545
		546	#ifndef _WIN32
459	if (req->result >= 0)	547	if (req->result >= 0)
460	{	548	{
461	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462	HV *hv = newHV ();	550	HV *hv = newHV ();
463		551
…		…
473	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);
474	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);
475	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);
476	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);
477	}	565	}
		566	#endif
478		567
479	PUSHs (rv);	568	PUSHs (rv);
480	}	569	}
481		570
482	break;	571	break;
…		…
498	case EIO_NOP:	587	case EIO_NOP:
499	case EIO_BUSY:	588	case EIO_BUSY:
500	break;	589	break;
501		590
502	case EIO_READLINK:	591	case EIO_READLINK:
		592	case EIO_REALPATH:
503	if (req->result > 0)	593	if (req->result > 0)
504	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	594	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505	break;	595	break;
506		596
507	case EIO_STAT:	597	case EIO_STAT:
508	case EIO_LSTAT:	598	case EIO_LSTAT:
509	case EIO_FSTAT:	599	case EIO_FSTAT:
510	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
511	PL_laststatval = req->result;	601	PL_laststatval = req->result;
		602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
512	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	603	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
513	PUSHs (sv_result);	604	PUSHs (sv_result);
514	break;	605	break;
515		606
516	case EIO_READ:	607	case EIO_READ:
…		…
521	SvSETMAGIC (req->sv2);	612	SvSETMAGIC (req->sv2);
522	PUSHs (sv_result);	613	PUSHs (sv_result);
523	}	614	}
524	break;	615	break;
525		616
526	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 */
527	if (req->result > 0)	618	if (req->result > 0)
528	SvIV_set (sv_result, 0);	619	SvIV_set (sv_result, 0);
529	/* FALLTHROUGH */	620	/* FALLTHROUGH */
530		621
531	default:	622	default:
…		…
568	Safefree (req);	659	Safefree (req);
569	}	660	}
570		661
571	static void req_cancel_subs (aio_req grp)	662	static void req_cancel_subs (aio_req grp)
572	{	663	{
573	aio_req sub;
574
575	if (grp->type != EIO_GROUP)	664	if (grp->type != EIO_GROUP)
576	return;	665	return;
577		666
578	SvREFCNT_dec (grp->sv2);	667	SvREFCNT_dec (grp->sv2);
579	grp->sv2 = 0;	668	grp->sv2 = 0;
580		669
581	eio_grp_cancel (grp);	670	eio_grp_cancel (grp);
582	}	671	}
583		672
584	static void
585	create_respipe (void)	673	static void create_respipe (void)
586	{	674	{
587	if (s_epipe_renew (&respipe))	675	if (s_epipe_renew (&respipe))
588	croak ("IO::AIO: unable to initialize result pipe");	676	croak ("IO::AIO: unable to initialize result pipe");
589	}	677	}
590		678
…		…
621		709
622	poll_wait ();	710	poll_wait ();
623	}	711	}
624	}	712	}
625		713
626	static void atfork_child (void)	714	static void ecb_cold
		715	reinit (void)
627	{	716	{
628	create_respipe ();	717	create_respipe ();
		718
		719	if (eio_init (want_poll, done_poll) < 0)
		720	croak ("IO::AIO: unable to initialise eio library");
629	}	721	}
630		722
631	/*****************************************************************************/	723	/*****************************************************************************/
632		724
633	#if !_POSIX_MAPPED_FILES	725	#if !_POSIX_MAPPED_FILES
634	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635	# define munmap(addr,length) (errno = ENOSYS, -1)	727	# define munmap(addr,length) (errno = ENOSYS, -1)
636	#endif	728	#endif
637		729
		730	#if !_POSIX_MEMORY_PROTECTION
		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
		737	#endif
		738
638	#define MMAP_MAGIC PERL_MAGIC_ext	739	#define MMAP_MAGIC PERL_MAGIC_ext
639		740
640	static int
641	mmap_free (pTHX_ SV sv, MAGIC mg)	741	static int mmap_free (pTHX_ SV sv, MAGIC mg)
642	{	742	{
643	int old_errno = errno;	743	int old_errno = errno;
644	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645	errno = old_errno;	745	errno = old_errno;
646		746
…		…
662	0, 0, 0, 0, mmap_free	762	0, 0, 0, 0, mmap_free
663	};	763	};
664		764
665	/*****************************************************************************/	765	/*****************************************************************************/
666		766
667	static SV *
668	get_cb (SV *cb_sv)	767	static SV * get_cb (SV *cb_sv)
669	{	768	{
670	SvGETMAGIC (cb_sv);	769	SvGETMAGIC (cb_sv);
671	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672	}	771	}
673		772
…		…
714	const_iv (O_RDWR)	813	const_iv (O_RDWR)
715	const_iv (O_CREAT)	814	const_iv (O_CREAT)
716	const_iv (O_TRUNC)	815	const_iv (O_TRUNC)
717	const_iv (O_EXCL)	816	const_iv (O_EXCL)
718	const_iv (O_APPEND)	817	const_iv (O_APPEND)
719	#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
720	const_iv (S_IFIFO)	835	const_iv (S_IFIFO)
721	#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
722	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	845	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
723	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	846	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
724	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	847	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
725	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	848	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
726	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	849	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
743	const_iv (ST_IMMUTABLE)	866	const_iv (ST_IMMUTABLE)
744	const_iv (ST_NOATIME)	867	const_iv (ST_NOATIME)
745	const_iv (ST_NODIRATIME)	868	const_iv (ST_NODIRATIME)
746	const_iv (ST_RELATIME)	869	const_iv (ST_RELATIME)
747		870
		871	const_iv (PROT_NONE)
748	const_iv (PROT_EXEC)	872	const_iv (PROT_EXEC)
749	const_iv (PROT_NONE)
750	const_iv (PROT_READ)	873	const_iv (PROT_READ)
751	const_iv (PROT_WRITE)	874	const_iv (PROT_WRITE)
752		875
753	/const_iv (MAP_FIXED)/	876	/const_iv (MAP_FIXED)/
754	const_iv (MAP_PRIVATE)	877	const_iv (MAP_PRIVATE)
…		…
760	const_iv (MAP_LOCKED)	883	const_iv (MAP_LOCKED)
761	const_iv (MAP_NORESERVE)	884	const_iv (MAP_NORESERVE)
762	const_iv (MAP_POPULATE)	885	const_iv (MAP_POPULATE)
763	const_iv (MAP_NONBLOCK)	886	const_iv (MAP_NONBLOCK)
764		887
765	const_iv (MCL_FUTURE)	888	const_eio (MCL_FUTURE)
766	const_iv (MCL_CURRENT)	889	const_eio (MCL_CURRENT)
767		890
768	const_eio (MS_ASYNC)	891	const_eio (MS_ASYNC)
769	const_eio (MS_INVALIDATE)	892	const_eio (MS_INVALIDATE)
770	const_eio (MS_SYNC)	893	const_eio (MS_SYNC)
771		894
772	const_eio (MT_MODIFY)	895	const_eio (MT_MODIFY)
773		896
774	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775	const_eio (SYNC_FILE_RANGE_WRITE)	898	const_eio (SYNC_FILE_RANGE_WRITE)
776	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		900
		901	const_eio (FALLOC_FL_KEEP_SIZE)
777		902
778	const_eio (READDIR_DENTS)	903	const_eio (READDIR_DENTS)
779	const_eio (READDIR_DIRS_FIRST)	904	const_eio (READDIR_DIRS_FIRST)
780	const_eio (READDIR_STAT_ORDER)	905	const_eio (READDIR_STAT_ORDER)
781	const_eio (READDIR_FOUND_UNKNOWN)	906	const_eio (READDIR_FOUND_UNKNOWN)
…		…
798	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; )
799	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
800		925
801	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802		927
803	create_respipe ();	928	reinit ();
804
805	if (eio_init (want_poll, done_poll) < 0)
806	croak ("IO::AIO: unable to initialise eio library");
807
808	/* atfork child called in fifo order, so before eio's handler */
809	X_THREAD_ATFORK (0, 0, atfork_child);
810	}	929	}
811		930
812	void	931	void
		932	reinit ()
		933	PROTOTYPE:
		934	CODE:
		935	reinit ();
		936
		937	void
813	max_poll_reqs (int nreqs)	938	max_poll_reqs (unsigned int nreqs)
814	PROTOTYPE: $	939	PROTOTYPE: $
815	CODE:	940	CODE:
816	eio_set_max_poll_reqs (nreqs);	941	eio_set_max_poll_reqs (nreqs);
817		942
818	void	943	void
…		…
820	PROTOTYPE: $	945	PROTOTYPE: $
821	CODE:	946	CODE:
822	eio_set_max_poll_time (nseconds);	947	eio_set_max_poll_time (nseconds);
823		948
824	void	949	void
825	min_parallel (int nthreads)	950	min_parallel (unsigned int nthreads)
826	PROTOTYPE: $	951	PROTOTYPE: $
827	CODE:	952	CODE:
828	eio_set_min_parallel (nthreads);	953	eio_set_min_parallel (nthreads);
829		954
830	void	955	void
831	max_parallel (int nthreads)	956	max_parallel (unsigned int nthreads)
832	PROTOTYPE: $	957	PROTOTYPE: $
833	CODE:	958	CODE:
834	eio_set_max_parallel (nthreads);	959	eio_set_max_parallel (nthreads);
835		960
836	void	961	void
837	max_idle (int nthreads)	962	max_idle (unsigned int nthreads)
838	PROTOTYPE: $	963	PROTOTYPE: $
839	CODE:	964	CODE:
840	eio_set_max_idle (nthreads);	965	eio_set_max_idle (nthreads);
841		966
842	void	967	void
		968	idle_timeout (unsigned int seconds)
		969	PROTOTYPE: $
		970	CODE:
		971	eio_set_idle_timeout (seconds);
		972
		973	void
843	max_outstanding (int maxreqs)	974	max_outstanding (unsigned int maxreqs)
844	PROTOTYPE: $	975	PROTOTYPE: $
845	CODE:	976	CODE:
846	max_outstanding = maxreqs;	977	max_outstanding = maxreqs;
847		978
848	void	979	void
849	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)
850	PROTOTYPE: $$$;$
851	PPCODE:	981	PPCODE:
852	{	982	{
853	dREQ;	983	dREQ;
854		984
855	req->type = EIO_OPEN;	985	req->type = EIO_OPEN;
…		…
861	REQ_SEND;	991	REQ_SEND;
862	}	992	}
863		993
864	void	994	void
865	aio_fsync (SV fh, SV callback=&PL_sv_undef)	995	aio_fsync (SV fh, SV callback=&PL_sv_undef)
866	PROTOTYPE: $;$
867	ALIAS:	996	ALIAS:
868	aio_fsync = EIO_FSYNC	997	aio_fsync = EIO_FSYNC
869	aio_fdatasync = EIO_FDATASYNC	998	aio_fdatasync = EIO_FDATASYNC
		999	aio_syncfs = EIO_SYNCFS
870	PPCODE:	1000	PPCODE:
871	{	1001	{
872	int fd = s_fileno_croak (fh, 0);	1002	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1003	dREQ;
874		1004
…		…
879	REQ_SEND (req);	1009	REQ_SEND (req);
880	}	1010	}
881		1011
882	void	1012	void
883	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1013	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
884	PROTOTYPE: $$$$;$
885	PPCODE:	1014	PPCODE:
886	{	1015	{
887	int fd = s_fileno_croak (fh, 0);	1016	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1017	dREQ;
889		1018
…		…
896		1025
897	REQ_SEND (req);	1026	REQ_SEND (req);
898	}	1027	}
899		1028
900	void	1029	void
901	aio_close (SV fh, SV callback=&PL_sv_undef)	1030	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
902	PROTOTYPE: $;$
903	PPCODE:	1031	PPCODE:
904	{	1032	{
905	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906	int fd = s_fileno_croak (fh, 0);	1033	int fd = s_fileno_croak (fh, 0);
907	dREQ;	1034	dREQ;
908		1035
909	if (close_pipe < 0)	1036	req->type = EIO_FALLOCATE;
		1037	req->sv1 = newSVsv (fh);
		1038	req->int1 = fd;
		1039	req->int2 = mode;
		1040	req->offs = offset;
		1041	req->size = len;
		1042
		1043	REQ_SEND (req);
		1044	}
		1045
		1046	void
		1047	aio_close (SV fh, SV callback=&PL_sv_undef)
		1048	PPCODE:
		1049	{
		1050	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1051	int fd = s_fileno_croak (fh, 0);
		1052	dREQ;
		1053
		1054	if (expect_false (close_fd < 0))
910	{	1055	{
911	int pipefd [2];	1056	int pipefd [2];
912		1057
		1058	if (
		1059	#ifdef _WIN32
		1060	_pipe (pipefd, 1, _O_BINARY) < 0
		1061	#else
913	if (pipe (pipefd) < 0	1062	pipe (pipefd) < 0
914	\|\| close (pipefd [1]) < 0
915	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1063	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1064	#endif
		1065	\|\| close (pipefd [1]) < 0
		1066	)
916	abort (); /D/	1067	abort (); /D/
917		1068
918	close_pipe = pipefd [0];	1069	close_fd = pipefd [0];
919	}	1070	}
920		1071
921	req->type = EIO_DUP2;	1072	req->type = EIO_DUP2;
922	req->int1 = close_pipe;	1073	req->int1 = close_fd;
923	req->sv2 = newSVsv (fh);	1074	req->sv2 = newSVsv (fh);
924	req->int2 = fd;	1075	req->int2 = fd;
925		1076
926	REQ_SEND (req);	1077	REQ_SEND (req);
927	}	1078	}
…		…
929	void	1080	void
930	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1081	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
931	ALIAS:	1082	ALIAS:
932	aio_read = EIO_READ	1083	aio_read = EIO_READ
933	aio_write = EIO_WRITE	1084	aio_write = EIO_WRITE
934	PROTOTYPE: $$$$$;$
935	PPCODE:	1085	PPCODE:
936	{	1086	{
937	STRLEN svlen;	1087	STRLEN svlen;
938	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1088	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939	char *svptr = SvPVbyte (data, svlen);	1089	char *svptr = SvPVbyte (data, svlen);
…		…
980	}	1130	}
981	}	1131	}
982		1132
983	void	1133	void
984	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1134	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
985	PROTOTYPE: $$;$	1135	ALIAS:
		1136	aio_readlink = EIO_READLINK
		1137	aio_realpath = EIO_REALPATH
986	PPCODE:	1138	PPCODE:
987	{	1139	{
988	SV *data;
989	dREQ;	1140	dREQ;
990		1141
991	req->type = EIO_READLINK;	1142	req->type = ix;
992	req->sv1 = newSVsv (path);	1143	req->sv1 = newSVsv (path);
993	req->ptr1 = SvPVbyte_nolen (req->sv1);	1144	req->ptr1 = SvPVbyte_nolen (req->sv1);
994		1145
995	REQ_SEND;	1146	REQ_SEND;
996	}	1147	}
997		1148
998	void	1149	void
999	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1150	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1000	PROTOTYPE: $$$$;$
1001	PPCODE:	1151	PPCODE:
1002	{	1152	{
1003	int ifd = s_fileno_croak (in_fh , 0);	1153	int ifd = s_fileno_croak (in_fh , 0);
1004	int ofd = s_fileno_croak (out_fh, 1);	1154	int ofd = s_fileno_croak (out_fh, 1);
1005	dREQ;	1155	dREQ;
…		…
1015	REQ_SEND;	1165	REQ_SEND;
1016	}	1166	}
1017		1167
1018	void	1168	void
1019	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1169	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
1020	PROTOTYPE: $$$;$
1021	PPCODE:	1170	PPCODE:
1022	{	1171	{
1023	int fd = s_fileno_croak (fh, 0);	1172	int fd = s_fileno_croak (fh, 0);
1024	dREQ;	1173	dREQ;
1025		1174
…		…
1056	}	1205	}
1057		1206
1058	REQ_SEND;	1207	REQ_SEND;
1059	}	1208	}
1060		1209
		1210	UV
		1211	major (UV dev)
		1212	ALIAS:
		1213	minor = 1
		1214	CODE:
		1215	RETVAL = ix ? major (dev) : minor (dev);
		1216	OUTPUT:
		1217	RETVAL
		1218
		1219	UV
		1220	makedev (UV maj, UV min)
		1221	CODE:
		1222	RETVAL = makedev (maj, min);
		1223	OUTPUT:
		1224	RETVAL
		1225
1061	void	1226	void
1062	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1227	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
1063	PPCODE:	1228	PPCODE:
1064	{	1229	{
1065	dREQ;	1230	dREQ;
…		…
1226	void	1391	void
1227	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1392	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1228	ALIAS:	1393	ALIAS:
1229	aio_mtouch = EIO_MTOUCH	1394	aio_mtouch = EIO_MTOUCH
1230	aio_msync = EIO_MSYNC	1395	aio_msync = EIO_MSYNC
1231	PROTOTYPE: $$$$;$
1232	PPCODE:	1396	PPCODE:
1233	{	1397	{
1234	STRLEN svlen;	1398	STRLEN svlen;
		1399	char *svptr = SvPVbyte (data, svlen);
1235	UV len = SvUV (length);	1400	UV len = SvUV (length);
1236	char *svptr = SvPVbyte (data, svlen);
1237		1401
1238	if (offset < 0)	1402	if (offset < 0)
1239	offset += svlen;	1403	offset += svlen;
1240		1404
1241	if (offset < 0 \|\| offset > svlen)	1405	if (offset < 0 \|\| offset > svlen)
…		…
1246		1410
1247	{	1411	{
1248	dREQ;	1412	dREQ;
1249		1413
1250	req->type = ix;	1414	req->type = ix;
1251	req->size = len;
1252	req->sv2 = SvREFCNT_inc (data);	1415	req->sv2 = SvREFCNT_inc (data);
1253	req->ptr2 = (char *)svptr + offset;	1416	req->ptr2 = (char *)svptr + offset;
		1417	req->size = len;
1254	req->int1 = flags;	1418	req->int1 = flags;
1255		1419
1256	REQ_SEND;	1420	REQ_SEND;
1257	}	1421	}
1258	}	1422	}
1259		1423
1260	void	1424	void
		1425	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1426	PPCODE:
		1427	{
		1428	STRLEN svlen;
		1429	char *svptr = SvPVbyte (data, svlen);
		1430	UV len = SvUV (length);
		1431
		1432	if (offset < 0)
		1433	offset += svlen;
		1434
		1435	if (offset < 0 \|\| offset > svlen)
		1436	croak ("offset outside of scalar");
		1437
		1438	if (!SvOK (length) \|\| len + offset > svlen)
		1439	len = svlen - offset;
		1440
		1441	{
		1442	dREQ;
		1443
		1444	req->type = EIO_MLOCK;
		1445	req->sv2 = SvREFCNT_inc (data);
		1446	req->ptr2 = (char *)svptr + offset;
		1447	req->size = len;
		1448
		1449	REQ_SEND;
		1450	}
		1451	}
		1452
		1453	void
		1454	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1455	PPCODE:
		1456	{
		1457	dREQ;
		1458
		1459	req->type = EIO_MLOCKALL;
		1460	req->int1 = flags;
		1461
		1462	REQ_SEND;
		1463	}
		1464
		1465	void
1261	aio_busy (double delay, SV *callback=&PL_sv_undef)	1466	aio_busy (double delay, SV *callback=&PL_sv_undef)
1262	PPCODE:	1467	PPCODE:
1263	{	1468	{
1264	dREQ;	1469	dREQ;
1265		1470
…		…
1269	REQ_SEND;	1474	REQ_SEND;
1270	}	1475	}
1271		1476
1272	void	1477	void
1273	aio_group (SV *callback=&PL_sv_undef)	1478	aio_group (SV *callback=&PL_sv_undef)
1274	PROTOTYPE: ;$
1275	PPCODE:	1479	PPCODE:
1276	{	1480	{
1277	dREQ;	1481	dREQ;
1278		1482
1279	req->type = EIO_GROUP;	1483	req->type = EIO_GROUP;
…		…
1296	REQ_SEND;	1500	REQ_SEND;
1297	}	1501	}
1298		1502
1299	int	1503	int
1300	aioreq_pri (int pri = 0)	1504	aioreq_pri (int pri = 0)
1301	PROTOTYPE: ;$
1302	CODE:	1505	CODE:
1303	RETVAL = next_pri;	1506	RETVAL = next_pri;
1304	if (items > 0)	1507	if (items > 0)
1305	{	1508	{
1306	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1509	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1318	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1521	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319	next_pri = nice;	1522	next_pri = nice;
1320		1523
1321	void	1524	void
1322	flush ()	1525	flush ()
1323	PROTOTYPE:
1324	CODE:	1526	CODE:
1325	while (eio_nreqs ())	1527	while (eio_nreqs ())
1326	{	1528	{
1327	poll_wait ();	1529	poll_wait ();
1328	poll_cb ();	1530	poll_cb ();
1329	}	1531	}
1330		1532
1331	int	1533	int
1332	poll()	1534	poll ()
1333	PROTOTYPE:
1334	CODE:	1535	CODE:
1335	poll_wait ();	1536	poll_wait ();
1336	RETVAL = poll_cb ();	1537	RETVAL = poll_cb ();
1337	OUTPUT:	1538	OUTPUT:
1338	RETVAL	1539	RETVAL
1339		1540
1340	int	1541	int
1341	poll_fileno()	1542	poll_fileno ()
1342	PROTOTYPE:
1343	CODE:	1543	CODE:
1344	RETVAL = s_epipe_fd (&respipe);	1544	RETVAL = s_epipe_fd (&respipe);
1345	OUTPUT:	1545	OUTPUT:
1346	RETVAL	1546	RETVAL
1347		1547
1348	int	1548	int
1349	poll_cb(...)	1549	poll_cb (...)
1350	PROTOTYPE:	1550	PROTOTYPE:
1351	CODE:	1551	CODE:
1352	RETVAL = poll_cb ();	1552	RETVAL = poll_cb ();
1353	OUTPUT:	1553	OUTPUT:
1354	RETVAL	1554	RETVAL
1355		1555
1356	void	1556	void
1357	poll_wait()	1557	poll_wait ()
1358	PROTOTYPE:
1359	CODE:	1558	CODE:
1360	poll_wait ();	1559	poll_wait ();
1361		1560
1362	int	1561	int
1363	nreqs()	1562	nreqs ()
1364	PROTOTYPE:
1365	CODE:	1563	CODE:
1366	RETVAL = eio_nreqs ();	1564	RETVAL = eio_nreqs ();
1367	OUTPUT:	1565	OUTPUT:
1368	RETVAL	1566	RETVAL
1369		1567
1370	int	1568	int
1371	nready()	1569	nready ()
1372	PROTOTYPE:
1373	CODE:	1570	CODE:
1374	RETVAL = eio_nready ();	1571	RETVAL = eio_nready ();
1375	OUTPUT:	1572	OUTPUT:
1376	RETVAL	1573	RETVAL
1377		1574
1378	int	1575	int
1379	npending()	1576	npending ()
1380	PROTOTYPE:
1381	CODE:	1577	CODE:
1382	RETVAL = eio_npending ();	1578	RETVAL = eio_npending ();
1383	OUTPUT:	1579	OUTPUT:
1384	RETVAL	1580	RETVAL
1385		1581
1386	int	1582	int
1387	nthreads()	1583	nthreads ()
1388	PROTOTYPE:
1389	CODE:	1584	CODE:
1390	RETVAL = eio_nthreads ();	1585	RETVAL = eio_nthreads ();
1391	OUTPUT:	1586	OUTPUT:
1392	RETVAL	1587	RETVAL
1393		1588
1394	int	1589	int
1395	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1590	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396	PROTOTYPE: $$$$
1397	CODE:	1591	CODE:
1398	RETVAL = posix_fadvise (fh, offset, length, advice);	1592	RETVAL = posix_fadvise (fh, offset, length, advice);
1399	OUTPUT:	1593	OUTPUT:
1400	RETVAL	1594	RETVAL
1401		1595
1402	ssize_t	1596	IV
1403	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1597	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404	PROTOTYPE: $$$$
1405	CODE:	1598	CODE:
1406	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1599	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407	OUTPUT:	1600	OUTPUT:
1408	RETVAL	1601	RETVAL
1409		1602
1410	void	1603	void
1411	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1604	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
1412	PROTOTYPE: $$$$$;$
1413	PPCODE:	1605	PPCODE:
1414	sv_unmagic (scalar, MMAP_MAGIC);	1606	sv_unmagic (scalar, MMAP_MAGIC);
1415	{	1607	{
1416	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1608	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1609	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1440	XSRETURN_YES;	1632	XSRETURN_YES;
1441	}	1633	}
1442		1634
1443	void	1635	void
1444	munmap (SV *scalar)	1636	munmap (SV *scalar)
1445	PROTOTYPE: $
1446	CODE:	1637	CODE:
1447	sv_unmagic (scalar, MMAP_MAGIC);	1638	sv_unmagic (scalar, MMAP_MAGIC);
1448		1639
1449	int	1640	int
1450	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1641	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1451	PROTOTYPE: $$$$	1642	ALIAS:
		1643	mprotect = 1
1452	CODE:	1644	CODE:
1453	{	1645	{
1454	char *addr = SvPV_nolen (scalar) + offset;	1646	STRLEN svlen;
		1647	void *addr = SvPVbyte (scalar, svlen);
		1648	size_t len = SvUV (length);
1455		1649
1456	if (!SvOK (ST (2)))	1650	if (offset < 0)
		1651	offset += svlen;
		1652
		1653	if (offset < 0 \|\| offset > svlen)
		1654	croak ("offset outside of scalar");
		1655
		1656	if (!SvOK (length) \|\| len + offset > svlen)
1457	length = SvCUR (scalar) - offset;	1657	len = svlen - offset;
1458		1658
1459	if (addr >= SvEND (scalar) \|\| length <= 0)	1659	addr = (void *)(((intptr_t)addr) + offset);
1460	XSRETURN_EMPTY;	1660	eio_page_align (&addr, &len);
1461		1661
		1662	switch (ix)
		1663	{
1462	RETVAL = posix_madvise (addr, length, advice);	1664	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1665	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1666	}
1463	}	1667	}
1464	OUTPUT:	1668	OUTPUT:
1465	RETVAL	1669	RETVAL
1466		1670
1467	int	1671	int
1468	mlockall (int flags)	1672	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1673	CODE:
		1674	{
		1675	STRLEN svlen;
		1676	void *addr = SvPVbyte (scalar, svlen);
		1677	size_t len = SvUV (length);
		1678
		1679	if (offset < 0)
		1680	offset += svlen;
		1681
		1682	if (offset < 0 \|\| offset > svlen)
		1683	croak ("offset outside of scalar");
		1684
		1685	if (!SvOK (length) \|\| len + offset > svlen)
		1686	len = svlen - offset;
		1687
		1688	addr = (void *)(((intptr_t)addr) + offset);
		1689	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1690	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1691	RETVAL = munlock (addr, len);
1473	extern int mallopt (int, int);
1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475	#endif
1476	mlockall (flags);
1477	#else	1692	#else
1478	RETVAL = -1;	1693	RETVAL = ((errno = ENOSYS), -1);
1479	errno = ENOSYS;
1480	#endif	1694	#endif
		1695	}
1481	OUTPUT:	1696	OUTPUT:
1482	RETVAL	1697	RETVAL
1483		1698
1484	int	1699	int
1485	munlockall ()	1700	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1701	CODE:
1488	#if _POSIX_MEMLOCK	1702	#if _POSIX_MEMLOCK
1489	munlockall ();	1703	munlockall ();
1490	#else	1704	#else
1491	RETVAL = -1;	1705	RETVAL = -1;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs. Revision 1.192 by root, Sun Jul 24 03:32:52 2011 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.192 by root, Sun Jul 24 03:32:52 2011 UTC