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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.166 by root, Sun May 9 20:43:28 2010 UTC vs.
Revision 1.188 by root, Sun Jul 17 04:20:04 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	#define EIO_STRUCT_DIRENT Direntry_t
		36	#undef malloc
		37	#undef free
		38
		39	// perl overrides all those nice libc functions
		40	#undef open
		41	#undef read
		42	#undef write
		43	#undef send
		44	#undef recv
		45	#undef stat
		46	#undef lstat
		47	#undef fstat
		48	#undef truncate
		49	#undef ftruncate
		50	#undef open
		51	#undef link
		52	#undef close
		53	#undef unlink
		54	#undef mkdir
		55	#undef rmdir
		56	#undef rename
		57	#undef lseek
		58	#undef opendir
		59	#undef readdir
		60	#undef closedir
		61	#undef chmod
		62	#undef fchmod
		63	#undef dup
		64	#undef dup2
		65	#undef abort
		66	#undef pipe
		67
		68	#else
		69
		70	#include <sys/time.h>
		71	#include <sys/select.h>
		72	#include <unistd.h>
		73	#include <utime.h>
		74	#include <signal.h>
		75
		76	#endif
82		77
83	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
84		79
85	/* use NV for 32 bit perls as it allows larger offsets */	80	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8	81	#if IVSIZE >= 8
…		…
118	STRLEN stroffset; \	113	STRLEN stroffset; \
119	SV *self;	114	SV *self;
120		115
121	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
122		117
		118	#include "libeio/config.h"
123	#include "libeio/eio.h"	119	#include "libeio/eio.h"
		120
		121	static int req_invoke (eio_req *req);
		122	#define EIO_FINISH(req) req_invoke (req)
		123	static void req_destroy (eio_req *grp);
		124	#define EIO_DESTROY(req) req_destroy (req)
		125
		126	#include "libeio/eio.c"
		127
		128	/* Linux/others */
		129	#ifndef O_ASYNC
		130	# define O_ASYNC 0
		131	#endif
		132	#ifndef O_DIRECT
		133	# define O_DIRECT 0
		134	#endif
		135	#ifndef O_NOATIME
		136	# define O_NOATIME 0
		137	#endif
		138
		139	/* POSIX */
		140	#ifndef O_CLOEXEC
		141	# define O_CLOEXEC 0
		142	#endif
		143	#ifndef O_NOFOLLOW
		144	# define O_NOFOLLOW 0
		145	#endif
		146	#ifndef O_NOCTTY
		147	# define O_NOCTTY 0
		148	#endif
		149	#ifndef O_NONBLOCK
		150	# define O_NONBLOCK 0
		151	#endif
		152	#ifndef O_EXEC
		153	# define O_EXEC 0
		154	#endif
		155	#ifndef O_SEARCH
		156	# define O_SEARCH 0
		157	#endif
		158	#ifndef O_DIRECTORY
		159	# define O_DIRECTORY 0
		160	#endif
		161	#ifndef O_DSYNC
		162	# define O_DSYNC 0
		163	#endif
		164	#ifndef O_RSYNC
		165	# define O_RSYNC 0
		166	#endif
		167	#ifndef O_SYNC
		168	# define O_SYNC 0
		169	#endif
		170	#ifndef O_TTY_INIT
		171	# define O_TTY_INIT 0
		172	#endif
124		173
125	#ifndef POSIX_FADV_NORMAL	174	#ifndef POSIX_FADV_NORMAL
126	# define POSIX_FADV_NORMAL 0	175	# define POSIX_FADV_NORMAL 0
127	# define NO_FADVISE 1
128	#endif	176	#endif
129	#ifndef POSIX_FADV_SEQUENTIAL	177	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0	178	# define POSIX_FADV_SEQUENTIAL 0
131	#endif	179	#endif
132	#ifndef POSIX_FADV_RANDOM	180	#ifndef POSIX_FADV_RANDOM
…		…
140	#endif	188	#endif
141	#ifndef POSIX_FADV_DONTNEED	189	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0	190	# define POSIX_FADV_DONTNEED 0
143	#endif	191	#endif
144		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		197	#ifndef POSIX_MADV_NORMAL
		198	# define POSIX_MADV_NORMAL 0
		199	#endif
		200	#ifndef POSIX_MADV_SEQUENTIAL
		201	# define POSIX_MADV_SEQUENTIAL 0
		202	#endif
		203	#ifndef POSIX_MADV_RANDOM
		204	# define POSIX_MADV_RANDOM 0
		205	#endif
		206	#ifndef POSIX_MADV_WILLNEED
		207	# define POSIX_MADV_WILLNEED 0
		208	#endif
		209	#ifndef POSIX_MADV_DONTNEED
		210	# define POSIX_MADV_DONTNEED 0
		211	#endif
		212
		213	#if !HAVE_POSIX_MADVISE
		214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		215	#endif
		216
		217	#ifndef PROT_NONE
		218	# define PROT_NONE 0
		219	#endif
		220	#ifndef PROT_READ
		221	# define PROT_READ 0
		222	#endif
		223	#ifndef PROT_WRITE
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_EXEC
		227	# define PROT_EXEC 0
		228	#endif
		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
145	#ifndef ST_NODEV	236	#ifndef ST_NODEV
146	# define ST_NODEV 0	237	# define ST_NODEV 0
147	#endif	238	#endif
148	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
171	#endif	262	#endif
172	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
173	# define ST_RELATIME 0	264	# define ST_RELATIME 0
174	#endif	265	#endif
175		266
176	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
177	# define MCL_CURRENT 0	268	# define S_IFIFO 0
178	#endif	269	#endif
179	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
180	# define MCL_FUTURE 0	271	# define S_IFCHR 0
		272	#endif
		273	#ifndef S_IFBLK
		274	# define S_IFBLK 0
		275	#endif
		276	#ifndef S_IFLNK
		277	# define S_IFLNK 0
		278	#endif
		279	#ifndef S_IFREG
		280	# define S_IFREG 0
		281	#endif
		282	#ifndef S_IFDIR
		283	# define S_IFDIR 0
		284	#endif
		285	#ifndef S_IFWHT
		286	# define S_IFWHT 0
		287	#endif
		288	#ifndef S_IFSOCK
		289	# define S_IFSOCK 0
181	#endif	290	#endif
182		291
183	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	293	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
201	#endif	310	#endif
202	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
204	#endif	313	#endif
205		314
		315	#ifndef makedev
		316	# define makedev(maj,min) (((maj) << 8) \| (min))
		317	#endif
		318	#ifndef major
		319	# define major(dev) ((dev) >> 8)
		320	#endif
		321	#ifndef minor
		322	# define minor(dev) ((dev) & 0xff)
		323	#endif
		324
206	#ifndef PAGESIZE	325	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	327	#endif
209
210	static int req_invoke (eio_req *req);
211	#define EIO_FINISH(req) req_invoke (req)
212	static void req_destroy (eio_req *grp);
213	#define EIO_DESTROY(req) req_destroy (req)
214		328
215	enum {	329	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	331	};
218
219	#include "libeio/eio.c"
220		332
221	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
223		335
224	static SV *on_next_submit;	336	static SV *on_next_submit;
…		…
323	/* do not recreate the result IV from scratch each time */	435	/* do not recreate the result IV from scratch each time */
324	if (expect_true (sv_result_cache))	436	if (expect_true (sv_result_cache))
325	{	437	{
326	sv_result = sv_result_cache; sv_result_cache = 0;	438	sv_result = sv_result_cache; sv_result_cache = 0;
327	SvIV_set (sv_result, req->result);	439	SvIV_set (sv_result, req->result);
		440	SvIOK_only (sv_result);
328	}	441	}
329	else	442	else
330	{	443	{
331	sv_result = newSViv (req->result);	444	sv_result = newSViv (req->result);
332	SvREADONLY_on (sv_result);	445	SvREADONLY_on (sv_result);
…		…
429	case EIO_STATVFS:	542	case EIO_STATVFS:
430	case EIO_FSTATVFS:	543	case EIO_FSTATVFS:
431	{	544	{
432	SV *rv = &PL_sv_undef;	545	SV *rv = &PL_sv_undef;
433		546
		547	#ifndef _WIN32
434	if (req->result >= 0)	548	if (req->result >= 0)
435	{	549	{
436	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	550	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437	HV *hv = newHV ();	551	HV *hv = newHV ();
438		552
…		…
448	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	562	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	563	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
450	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	564	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	565	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452	}	566	}
		567	#endif
453		568
454	PUSHs (rv);	569	PUSHs (rv);
455	}	570	}
456		571
457	break;	572	break;
…		…
473	case EIO_NOP:	588	case EIO_NOP:
474	case EIO_BUSY:	589	case EIO_BUSY:
475	break;	590	break;
476		591
477	case EIO_READLINK:	592	case EIO_READLINK:
		593	case EIO_REALPATH:
478	if (req->result > 0)	594	if (req->result > 0)
479	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	595	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480	break;	596	break;
481		597
482	case EIO_STAT:	598	case EIO_STAT:
483	case EIO_LSTAT:	599	case EIO_LSTAT:
484	case EIO_FSTAT:	600	case EIO_FSTAT:
485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	601	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
486	PL_laststatval = req->result;	602	PL_laststatval = req->result;
		603	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
487	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	604	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
488	PUSHs (sv_result);	605	PUSHs (sv_result);
489	break;	606	break;
490		607
491	case EIO_READ:	608	case EIO_READ:
…		…
496	SvSETMAGIC (req->sv2);	613	SvSETMAGIC (req->sv2);
497	PUSHs (sv_result);	614	PUSHs (sv_result);
498	}	615	}
499	break;	616	break;
500		617
501	case EIO_DUP2:	618	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502	if (req->result > 0)	619	if (req->result > 0)
503	SvIV_set (sv_result, 0);	620	SvIV_set (sv_result, 0);
504	/* FALLTHROUGH */	621	/* FALLTHROUGH */
505		622
506	default:	623	default:
…		…
543	Safefree (req);	660	Safefree (req);
544	}	661	}
545		662
546	static void req_cancel_subs (aio_req grp)	663	static void req_cancel_subs (aio_req grp)
547	{	664	{
548	aio_req sub;
549
550	if (grp->type != EIO_GROUP)	665	if (grp->type != EIO_GROUP)
551	return;	666	return;
552		667
553	SvREFCNT_dec (grp->sv2);	668	SvREFCNT_dec (grp->sv2);
554	grp->sv2 = 0;	669	grp->sv2 = 0;
555		670
556	eio_grp_cancel (grp);	671	eio_grp_cancel (grp);
557	}	672	}
558		673
559	static void
560	create_respipe (void)	674	static void create_respipe (void)
561	{	675	{
562	if (s_epipe_renew (&respipe))	676	if (s_epipe_renew (&respipe))
563	croak ("IO::AIO: unable to initialize result pipe");	677	croak ("IO::AIO: unable to initialize result pipe");
564	}	678	}
565		679
…		…
608	#if !_POSIX_MAPPED_FILES	722	#if !_POSIX_MAPPED_FILES
609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	723	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610	# define munmap(addr,length) (errno = ENOSYS, -1)	724	# define munmap(addr,length) (errno = ENOSYS, -1)
611	#endif	725	#endif
612		726
		727	#if !_POSIX_MEMORY_PROTECTION
		728	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		729	# define PROT_NONE 0
		730	# define PROT_WRITE 0
		731	# define MAP_PRIVATE 0
		732	# define MAP_SHARED 0
		733	# define MAP_FIXED 0
		734	#endif
		735
613	#define MMAP_MAGIC PERL_MAGIC_ext	736	#define MMAP_MAGIC PERL_MAGIC_ext
614		737
615	static int
616	mmap_free (pTHX_ SV sv, MAGIC mg)	738	static int mmap_free (pTHX_ SV sv, MAGIC mg)
617	{	739	{
618	int old_errno = errno;	740	int old_errno = errno;
619	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620	errno = old_errno;	742	errno = old_errno;
621		743
622	mg->mg_obj = 0; /* just in case */	744	mg->mg_obj = 0; /* just in case */
623		745
624	SvREADONLY_off (sv);	746	SvREADONLY_off (sv);
		747
		748	if (SvPVX (sv) != mg->mg_ptr)
		749	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		750
625	SvCUR_set (sv, 0);	751	SvCUR_set (sv, 0);
626	SvLEN_set (sv, 0);
627	SvPVX (sv) = 0;	752	SvPVX (sv) = 0;
628	SvOK_off (sv);	753	SvOK_off (sv);
629		754
630	return 0;	755	return 0;
631	}	756	}
…		…
634	0, 0, 0, 0, mmap_free	759	0, 0, 0, 0, mmap_free
635	};	760	};
636		761
637	/*****************************************************************************/	762	/*****************************************************************************/
638		763
639	static SV *
640	get_cb (SV *cb_sv)	764	static SV * get_cb (SV *cb_sv)
641	{	765	{
642	SvGETMAGIC (cb_sv);	766	SvGETMAGIC (cb_sv);
643	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644	}	768	}
645		769
…		…
686	const_iv (O_RDWR)	810	const_iv (O_RDWR)
687	const_iv (O_CREAT)	811	const_iv (O_CREAT)
688	const_iv (O_TRUNC)	812	const_iv (O_TRUNC)
689	const_iv (O_EXCL)	813	const_iv (O_EXCL)
690	const_iv (O_APPEND)	814	const_iv (O_APPEND)
691	#ifndef _WIN32	815
		816	const_iv (O_ASYNC)
		817	const_iv (O_DIRECT)
		818	const_iv (O_NOATIME)
		819
		820	const_iv (O_CLOEXEC)
		821	const_iv (O_NOCTTY)
		822	const_iv (O_NOFOLLOW)
		823	const_iv (O_NONBLOCK)
		824	const_iv (O_EXEC)
		825	const_iv (O_SEARCH)
		826	const_iv (O_DIRECTORY)
		827	const_iv (O_DSYNC)
		828	const_iv (O_RSYNC)
		829	const_iv (O_SYNC)
		830	const_iv (O_TTY_INIT)
		831
692	const_iv (S_IFIFO)	832	const_iv (S_IFIFO)
693	#endif	833	const_iv (S_IFCHR)
		834	const_iv (S_IFBLK)
		835	const_iv (S_IFLNK)
		836	const_iv (S_IFREG)
		837	const_iv (S_IFDIR)
		838	const_iv (S_IFWHT)
		839	const_iv (S_IFSOCK)
		840	const_iv (S_IFMT)
		841
694	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	842	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
695	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	843	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
696	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	844	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
697	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	845	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
698	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	846	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
699	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	847	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		848
		849	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		850	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		851	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		852	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		853	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
700		854
701	const_iv (ST_RDONLY)	855	const_iv (ST_RDONLY)
702	const_iv (ST_NOSUID)	856	const_iv (ST_NOSUID)
703	const_iv (ST_NODEV)	857	const_iv (ST_NODEV)
704	const_iv (ST_NOEXEC)	858	const_iv (ST_NOEXEC)
…		…
709	const_iv (ST_IMMUTABLE)	863	const_iv (ST_IMMUTABLE)
710	const_iv (ST_NOATIME)	864	const_iv (ST_NOATIME)
711	const_iv (ST_NODIRATIME)	865	const_iv (ST_NODIRATIME)
712	const_iv (ST_RELATIME)	866	const_iv (ST_RELATIME)
713		867
		868	const_iv (PROT_NONE)
714	const_iv (PROT_EXEC)	869	const_iv (PROT_EXEC)
715	const_iv (PROT_NONE)
716	const_iv (PROT_READ)	870	const_iv (PROT_READ)
717	const_iv (PROT_WRITE)	871	const_iv (PROT_WRITE)
718		872
719	/const_iv (MAP_FIXED)/	873	/const_iv (MAP_FIXED)/
720	const_iv (MAP_PRIVATE)	874	const_iv (MAP_PRIVATE)
…		…
726	const_iv (MAP_LOCKED)	880	const_iv (MAP_LOCKED)
727	const_iv (MAP_NORESERVE)	881	const_iv (MAP_NORESERVE)
728	const_iv (MAP_POPULATE)	882	const_iv (MAP_POPULATE)
729	const_iv (MAP_NONBLOCK)	883	const_iv (MAP_NONBLOCK)
730		884
731	const_iv (MCL_FUTURE)	885	const_eio (MCL_FUTURE)
732	const_iv (MCL_CURRENT)	886	const_eio (MCL_CURRENT)
733		887
734	const_eio (MS_ASYNC)	888	const_eio (MS_ASYNC)
735	const_eio (MS_INVALIDATE)	889	const_eio (MS_INVALIDATE)
736	const_eio (MS_SYNC)	890	const_eio (MS_SYNC)
737		891
738	const_eio (MT_MODIFY)	892	const_eio (MT_MODIFY)
739		893
740	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741	const_eio (SYNC_FILE_RANGE_WRITE)	895	const_eio (SYNC_FILE_RANGE_WRITE)
742	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		897
		898	const_eio (FALLOC_FL_KEEP_SIZE)
743		899
744	const_eio (READDIR_DENTS)	900	const_eio (READDIR_DENTS)
745	const_eio (READDIR_DIRS_FIRST)	901	const_eio (READDIR_DIRS_FIRST)
746	const_eio (READDIR_STAT_ORDER)	902	const_eio (READDIR_STAT_ORDER)
747	const_eio (READDIR_FOUND_UNKNOWN)	903	const_eio (READDIR_FOUND_UNKNOWN)
…		…
774	/* atfork child called in fifo order, so before eio's handler */	930	/* atfork child called in fifo order, so before eio's handler */
775	X_THREAD_ATFORK (0, 0, atfork_child);	931	X_THREAD_ATFORK (0, 0, atfork_child);
776	}	932	}
777		933
778	void	934	void
779	max_poll_reqs (int nreqs)	935	max_poll_reqs (unsigned int nreqs)
780	PROTOTYPE: $	936	PROTOTYPE: $
781	CODE:	937	CODE:
782	eio_set_max_poll_reqs (nreqs);	938	eio_set_max_poll_reqs (nreqs);
783		939
784	void	940	void
…		…
786	PROTOTYPE: $	942	PROTOTYPE: $
787	CODE:	943	CODE:
788	eio_set_max_poll_time (nseconds);	944	eio_set_max_poll_time (nseconds);
789		945
790	void	946	void
791	min_parallel (int nthreads)	947	min_parallel (unsigned int nthreads)
792	PROTOTYPE: $	948	PROTOTYPE: $
793	CODE:	949	CODE:
794	eio_set_min_parallel (nthreads);	950	eio_set_min_parallel (nthreads);
795		951
796	void	952	void
797	max_parallel (int nthreads)	953	max_parallel (unsigned int nthreads)
798	PROTOTYPE: $	954	PROTOTYPE: $
799	CODE:	955	CODE:
800	eio_set_max_parallel (nthreads);	956	eio_set_max_parallel (nthreads);
801		957
802	void	958	void
803	max_idle (int nthreads)	959	max_idle (unsigned int nthreads)
804	PROTOTYPE: $	960	PROTOTYPE: $
805	CODE:	961	CODE:
806	eio_set_max_idle (nthreads);	962	eio_set_max_idle (nthreads);
807		963
808	void	964	void
		965	idle_timeout (unsigned int seconds)
		966	PROTOTYPE: $
		967	CODE:
		968	eio_set_idle_timeout (seconds);
		969
		970	void
809	max_outstanding (int maxreqs)	971	max_outstanding (unsigned int maxreqs)
810	PROTOTYPE: $	972	PROTOTYPE: $
811	CODE:	973	CODE:
812	max_outstanding = maxreqs;	974	max_outstanding = maxreqs;
813		975
814	void	976	void
815	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	977	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
816	PROTOTYPE: $$$;$
817	PPCODE:	978	PPCODE:
818	{	979	{
819	dREQ;	980	dREQ;
820		981
821	req->type = EIO_OPEN;	982	req->type = EIO_OPEN;
…		…
827	REQ_SEND;	988	REQ_SEND;
828	}	989	}
829		990
830	void	991	void
831	aio_fsync (SV fh, SV callback=&PL_sv_undef)	992	aio_fsync (SV fh, SV callback=&PL_sv_undef)
832	PROTOTYPE: $;$
833	ALIAS:	993	ALIAS:
834	aio_fsync = EIO_FSYNC	994	aio_fsync = EIO_FSYNC
835	aio_fdatasync = EIO_FDATASYNC	995	aio_fdatasync = EIO_FDATASYNC
836	PPCODE:	996	PPCODE:
837	{	997	{
…		…
845	REQ_SEND (req);	1005	REQ_SEND (req);
846	}	1006	}
847		1007
848	void	1008	void
849	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1009	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
850	PROTOTYPE: $$$$;$
851	PPCODE:	1010	PPCODE:
852	{	1011	{
853	int fd = s_fileno_croak (fh, 0);	1012	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1013	dREQ;
855		1014
…		…
862		1021
863	REQ_SEND (req);	1022	REQ_SEND (req);
864	}	1023	}
865		1024
866	void	1025	void
867	aio_close (SV fh, SV callback=&PL_sv_undef)	1026	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
868	PROTOTYPE: $;$
869	PPCODE:	1027	PPCODE:
870	{	1028	{
871	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872	int fd = s_fileno_croak (fh, 0);	1029	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1030	dREQ;
874		1031
875	if (close_pipe < 0)	1032	req->type = EIO_FALLOCATE;
		1033	req->sv1 = newSVsv (fh);
		1034	req->int1 = fd;
		1035	req->int2 = mode;
		1036	req->offs = offset;
		1037	req->size = len;
		1038
		1039	REQ_SEND (req);
		1040	}
		1041
		1042	void
		1043	aio_close (SV fh, SV callback=&PL_sv_undef)
		1044	PPCODE:
		1045	{
		1046	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1047	int fd = s_fileno_croak (fh, 0);
		1048	dREQ;
		1049
		1050	if (expect_false (close_fd < 0))
876	{	1051	{
877	int pipefd [2];	1052	int pipefd [2];
878		1053
		1054	if (
		1055	#ifdef _WIN32
		1056	_pipe (pipefd, 1, _O_BINARY) < 0
		1057	#else
879	if (pipe (pipefd) < 0	1058	pipe (pipefd) < 0
880	\|\| close (pipefd [1]) < 0
881	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1059	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1060	#endif
		1061	\|\| close (pipefd [1]) < 0
		1062	)
882	abort (); /D/	1063	abort (); /D/
883		1064
884	close_pipe = pipefd [0];	1065	close_fd = pipefd [0];
885	}	1066	}
886		1067
887	req->type = EIO_DUP2;	1068	req->type = EIO_DUP2;
888	req->int1 = close_pipe;	1069	req->int1 = close_fd;
889	req->sv2 = newSVsv (fh);	1070	req->sv2 = newSVsv (fh);
890	req->int2 = fd;	1071	req->int2 = fd;
891		1072
892	REQ_SEND (req);	1073	REQ_SEND (req);
893	}	1074	}
…		…
895	void	1076	void
896	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1077	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
897	ALIAS:	1078	ALIAS:
898	aio_read = EIO_READ	1079	aio_read = EIO_READ
899	aio_write = EIO_WRITE	1080	aio_write = EIO_WRITE
900	PROTOTYPE: $$$$$;$
901	PPCODE:	1081	PPCODE:
902	{	1082	{
903	STRLEN svlen;	1083	STRLEN svlen;
904	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1084	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905	char *svptr = SvPVbyte (data, svlen);	1085	char *svptr = SvPVbyte (data, svlen);
…		…
946	}	1126	}
947	}	1127	}
948		1128
949	void	1129	void
950	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1130	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
951	PROTOTYPE: $$;$	1131	ALIAS:
		1132	aio_readlink = EIO_READLINK
		1133	aio_realpath = EIO_REALPATH
952	PPCODE:	1134	PPCODE:
953	{	1135	{
954	SV *data;
955	dREQ;	1136	dREQ;
956		1137
957	req->type = EIO_READLINK;	1138	req->type = ix;
958	req->sv1 = newSVsv (path);	1139	req->sv1 = newSVsv (path);
959	req->ptr1 = SvPVbyte_nolen (req->sv1);	1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
960		1141
961	REQ_SEND;	1142	REQ_SEND;
962	}	1143	}
963		1144
964	void	1145	void
965	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1146	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
966	PROTOTYPE: $$$$;$
967	PPCODE:	1147	PPCODE:
968	{	1148	{
969	int ifd = s_fileno_croak (in_fh , 0);	1149	int ifd = s_fileno_croak (in_fh , 0);
970	int ofd = s_fileno_croak (out_fh, 1);	1150	int ofd = s_fileno_croak (out_fh, 1);
971	dREQ;	1151	dREQ;
…		…
981	REQ_SEND;	1161	REQ_SEND;
982	}	1162	}
983		1163
984	void	1164	void
985	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1165	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
986	PROTOTYPE: $$$;$
987	PPCODE:	1166	PPCODE:
988	{	1167	{
989	int fd = s_fileno_croak (fh, 0);	1168	int fd = s_fileno_croak (fh, 0);
990	dREQ;	1169	dREQ;
991		1170
…		…
1022	}	1201	}
1023		1202
1024	REQ_SEND;	1203	REQ_SEND;
1025	}	1204	}
1026		1205
		1206	UV
		1207	major (UV dev)
		1208	ALIAS:
		1209	minor = 1
		1210	CODE:
		1211	RETVAL = ix ? major (dev) : minor (dev);
		1212	OUTPUT:
		1213	RETVAL
		1214
		1215	UV
		1216	makedev (UV maj, UV min)
		1217	CODE:
		1218	RETVAL = makedev (maj, min);
		1219	OUTPUT:
		1220	RETVAL
		1221
1027	void	1222	void
1028	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1223	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
1029	PPCODE:	1224	PPCODE:
1030	{	1225	{
1031	dREQ;	1226	dREQ;
…		…
1192	void	1387	void
1193	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1388	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1194	ALIAS:	1389	ALIAS:
1195	aio_mtouch = EIO_MTOUCH	1390	aio_mtouch = EIO_MTOUCH
1196	aio_msync = EIO_MSYNC	1391	aio_msync = EIO_MSYNC
1197	PROTOTYPE: $$$$;$
1198	PPCODE:	1392	PPCODE:
1199	{	1393	{
1200	STRLEN svlen;	1394	STRLEN svlen;
		1395	char *svptr = SvPVbyte (data, svlen);
1201	UV len = SvUV (length);	1396	UV len = SvUV (length);
1202	char *svptr = SvPVbyte (data, svlen);
1203		1397
1204	if (offset < 0)	1398	if (offset < 0)
1205	offset += svlen;	1399	offset += svlen;
1206		1400
1207	if (offset < 0 \|\| offset > svlen)	1401	if (offset < 0 \|\| offset > svlen)
…		…
1212		1406
1213	{	1407	{
1214	dREQ;	1408	dREQ;
1215		1409
1216	req->type = ix;	1410	req->type = ix;
1217	req->size = len;
1218	req->sv2 = SvREFCNT_inc (data);	1411	req->sv2 = SvREFCNT_inc (data);
1219	req->ptr2 = (char *)svptr + offset;	1412	req->ptr2 = (char *)svptr + offset;
		1413	req->size = len;
1220	req->int1 = flags;	1414	req->int1 = flags;
1221		1415
1222	REQ_SEND;	1416	REQ_SEND;
1223	}	1417	}
1224	}	1418	}
1225		1419
1226	void	1420	void
		1421	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1422	PPCODE:
		1423	{
		1424	STRLEN svlen;
		1425	char *svptr = SvPVbyte (data, svlen);
		1426	UV len = SvUV (length);
		1427
		1428	if (offset < 0)
		1429	offset += svlen;
		1430
		1431	if (offset < 0 \|\| offset > svlen)
		1432	croak ("offset outside of scalar");
		1433
		1434	if (!SvOK (length) \|\| len + offset > svlen)
		1435	len = svlen - offset;
		1436
		1437	{
		1438	dREQ;
		1439
		1440	req->type = EIO_MLOCK;
		1441	req->sv2 = SvREFCNT_inc (data);
		1442	req->ptr2 = (char *)svptr + offset;
		1443	req->size = len;
		1444
		1445	REQ_SEND;
		1446	}
		1447	}
		1448
		1449	void
		1450	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1451	PPCODE:
		1452	{
		1453	dREQ;
		1454
		1455	req->type = EIO_MLOCKALL;
		1456	req->int1 = flags;
		1457
		1458	REQ_SEND;
		1459	}
		1460
		1461	void
1227	aio_busy (double delay, SV *callback=&PL_sv_undef)	1462	aio_busy (double delay, SV *callback=&PL_sv_undef)
1228	PPCODE:	1463	PPCODE:
1229	{	1464	{
1230	dREQ;	1465	dREQ;
1231		1466
…		…
1235	REQ_SEND;	1470	REQ_SEND;
1236	}	1471	}
1237		1472
1238	void	1473	void
1239	aio_group (SV *callback=&PL_sv_undef)	1474	aio_group (SV *callback=&PL_sv_undef)
1240	PROTOTYPE: ;$
1241	PPCODE:	1475	PPCODE:
1242	{	1476	{
1243	dREQ;	1477	dREQ;
1244		1478
1245	req->type = EIO_GROUP;	1479	req->type = EIO_GROUP;
…		…
1262	REQ_SEND;	1496	REQ_SEND;
1263	}	1497	}
1264		1498
1265	int	1499	int
1266	aioreq_pri (int pri = 0)	1500	aioreq_pri (int pri = 0)
1267	PROTOTYPE: ;$
1268	CODE:	1501	CODE:
1269	RETVAL = next_pri;	1502	RETVAL = next_pri;
1270	if (items > 0)	1503	if (items > 0)
1271	{	1504	{
1272	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1505	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1284	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1517	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285	next_pri = nice;	1518	next_pri = nice;
1286		1519
1287	void	1520	void
1288	flush ()	1521	flush ()
1289	PROTOTYPE:
1290	CODE:	1522	CODE:
1291	while (eio_nreqs ())	1523	while (eio_nreqs ())
1292	{	1524	{
1293	poll_wait ();	1525	poll_wait ();
1294	poll_cb ();	1526	poll_cb ();
1295	}	1527	}
1296		1528
1297	int	1529	int
1298	poll()	1530	poll ()
1299	PROTOTYPE:
1300	CODE:	1531	CODE:
1301	poll_wait ();	1532	poll_wait ();
1302	RETVAL = poll_cb ();	1533	RETVAL = poll_cb ();
1303	OUTPUT:	1534	OUTPUT:
1304	RETVAL	1535	RETVAL
1305		1536
1306	int	1537	int
1307	poll_fileno()	1538	poll_fileno ()
1308	PROTOTYPE:
1309	CODE:	1539	CODE:
1310	RETVAL = s_epipe_fd (&respipe);	1540	RETVAL = s_epipe_fd (&respipe);
1311	OUTPUT:	1541	OUTPUT:
1312	RETVAL	1542	RETVAL
1313		1543
1314	int	1544	int
1315	poll_cb(...)	1545	poll_cb (...)
1316	PROTOTYPE:	1546	PROTOTYPE:
1317	CODE:	1547	CODE:
1318	RETVAL = poll_cb ();	1548	RETVAL = poll_cb ();
1319	OUTPUT:	1549	OUTPUT:
1320	RETVAL	1550	RETVAL
1321		1551
1322	void	1552	void
1323	poll_wait()	1553	poll_wait ()
1324	PROTOTYPE:
1325	CODE:	1554	CODE:
1326	poll_wait ();	1555	poll_wait ();
1327		1556
1328	int	1557	int
1329	nreqs()	1558	nreqs ()
1330	PROTOTYPE:
1331	CODE:	1559	CODE:
1332	RETVAL = eio_nreqs ();	1560	RETVAL = eio_nreqs ();
1333	OUTPUT:	1561	OUTPUT:
1334	RETVAL	1562	RETVAL
1335		1563
1336	int	1564	int
1337	nready()	1565	nready ()
1338	PROTOTYPE:
1339	CODE:	1566	CODE:
1340	RETVAL = eio_nready ();	1567	RETVAL = eio_nready ();
1341	OUTPUT:	1568	OUTPUT:
1342	RETVAL	1569	RETVAL
1343		1570
1344	int	1571	int
1345	npending()	1572	npending ()
1346	PROTOTYPE:
1347	CODE:	1573	CODE:
1348	RETVAL = eio_npending ();	1574	RETVAL = eio_npending ();
1349	OUTPUT:	1575	OUTPUT:
1350	RETVAL	1576	RETVAL
1351		1577
1352	int	1578	int
1353	nthreads()	1579	nthreads ()
1354	PROTOTYPE:
1355	CODE:	1580	CODE:
1356	RETVAL = eio_nthreads ();	1581	RETVAL = eio_nthreads ();
1357	OUTPUT:	1582	OUTPUT:
1358	RETVAL	1583	RETVAL
1359		1584
1360	int	1585	int
1361	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1586	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362	PROTOTYPE: $$$$
1363	CODE:	1587	CODE:
1364	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365	RETVAL = posix_fadvise (fh, offset, length, advice);	1588	RETVAL = posix_fadvise (fh, offset, length, advice);
1366	#else
1367	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368	#endif
1369	OUTPUT:	1589	OUTPUT:
1370	RETVAL	1590	RETVAL
1371		1591
1372	ssize_t	1592	ssize_t
1373	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1593	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374	PROTOTYPE: $$$$
1375	CODE:	1594	CODE:
1376	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377	OUTPUT:	1596	OUTPUT:
1378	RETVAL	1597	RETVAL
1379		1598
1380	void	1599	void
1381	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1600	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
1382	PROTOTYPE: $$$$$;$
1383	PPCODE:	1601	PPCODE:
1384	sv_unmagic (scalar, MMAP_MAGIC);	1602	sv_unmagic (scalar, MMAP_MAGIC);
1385	{	1603	{
1386	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1604	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1605	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1388	if (addr == (void *)-1)	1606	if (addr == (void *)-1)
1389	XSRETURN_NO;	1607	XSRETURN_NO;
1390		1608
		1609	sv_force_normal (scalar);
		1610
1391	/* we store the length in mg_obj, as namlen is I32 :/ */	1611	/* we store the length in mg_obj, as namlen is I32 :/ */
1392	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1612	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393	->mg_obj = (SV *)length;	1613	->mg_obj = (SV *)length;
1394		1614
1395	SvUPGRADE (scalar, SVt_PV); /* nop... */	1615	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1616
1396	if (!(prot & PROT_WRITE))	1617	if (!(prot & PROT_WRITE))
1397	SvREADONLY_on (scalar);	1618	SvREADONLY_on (scalar);
		1619
		1620	if (SvLEN (scalar))
		1621	Safefree (SvPVX (scalar));
1398		1622
1399	SvPVX (scalar) = (char *)addr;	1623	SvPVX (scalar) = (char *)addr;
1400	SvCUR_set (scalar, length);	1624	SvCUR_set (scalar, length);
1401	SvLEN_set (scalar, 0);	1625	SvLEN_set (scalar, 0);
1402	SvPOK_only (scalar);	1626	SvPOK_only (scalar);
…		…
1404	XSRETURN_YES;	1628	XSRETURN_YES;
1405	}	1629	}
1406		1630
1407	void	1631	void
1408	munmap (SV *scalar)	1632	munmap (SV *scalar)
1409	PROTOTYPE: $
1410	CODE:	1633	CODE:
1411	sv_unmagic (scalar, MMAP_MAGIC);	1634	sv_unmagic (scalar, MMAP_MAGIC);
1412		1635
1413	int	1636	int
1414	mlockall (int flags)	1637	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1415	PROTOTYPE: $	1638	ALIAS:
		1639	mprotect = 1
1416	CODE:	1640	CODE:
		1641	{
		1642	STRLEN svlen;
		1643	void *addr = SvPVbyte (scalar, svlen);
		1644	size_t len = SvUV (length);
		1645
		1646	if (offset < 0)
		1647	offset += svlen;
		1648
		1649	if (offset < 0 \|\| offset > svlen)
		1650	croak ("offset outside of scalar");
		1651
		1652	if (!SvOK (length) \|\| len + offset > svlen)
		1653	len = svlen - offset;
		1654
		1655	addr = (void *)(((intptr_t)addr) + offset);
		1656	eio_page_align (&addr, &len);
		1657
		1658	switch (ix)
		1659	{
		1660	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1661	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1662	}
		1663	}
		1664	OUTPUT:
		1665	RETVAL
		1666
		1667	int
		1668	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1669	CODE:
		1670	{
		1671	STRLEN svlen;
		1672	void *addr = SvPVbyte (scalar, svlen);
		1673	size_t len = SvUV (length);
		1674
		1675	if (offset < 0)
		1676	offset += svlen;
		1677
		1678	if (offset < 0 \|\| offset > svlen)
		1679	croak ("offset outside of scalar");
		1680
		1681	if (!SvOK (length) \|\| len + offset > svlen)
		1682	len = svlen - offset;
		1683
		1684	addr = (void *)(((intptr_t)addr) + offset);
		1685	eio_page_align (&addr, &len);
1417	#if _POSIX_MEMLOCK	1686	#if _POSIX_MEMLOCK_RANGE
1418	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1687	RETVAL = munlock (addr, len);
1419	extern int mallopt (int, int);
1420	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421	#endif
1422	mlockall (flags);
1423	#else	1688	#else
1424	RETVAL = -1;	1689	RETVAL = ((errno = ENOSYS), -1);
1425	errno = ENOSYS;
1426	#endif	1690	#endif
		1691	}
1427	OUTPUT:	1692	OUTPUT:
1428	RETVAL	1693	RETVAL
1429		1694
1430	int	1695	int
1431	munlockall ()	1696	munlockall ()
1432	PROTOTYPE:
1433	CODE:	1697	CODE:
1434	#if _POSIX_MEMLOCK	1698	#if _POSIX_MEMLOCK
1435	munlockall ();	1699	munlockall ();
1436	#else	1700	#else
1437	RETVAL = -1;	1701	RETVAL = -1;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.166 by root, Sun May 9 20:43:28 2010 UTC vs. Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.166 by root, Sun May 9 20:43:28 2010 UTC vs.
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC