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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs.
Revision 1.190 by root, Mon Jul 18 02:02:26 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
		192	#if !HAVE_POSIX_FADVISE
		193	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		194	#endif
		195
		196	#ifndef POSIX_MADV_NORMAL
		197	# define POSIX_MADV_NORMAL 0
		198	#endif
		199	#ifndef POSIX_MADV_SEQUENTIAL
		200	# define POSIX_MADV_SEQUENTIAL 0
		201	#endif
		202	#ifndef POSIX_MADV_RANDOM
		203	# define POSIX_MADV_RANDOM 0
		204	#endif
		205	#ifndef POSIX_MADV_WILLNEED
		206	# define POSIX_MADV_WILLNEED 0
		207	#endif
		208	#ifndef POSIX_MADV_DONTNEED
		209	# define POSIX_MADV_DONTNEED 0
		210	#endif
		211
		212	#if !HAVE_POSIX_MADVISE
		213	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		214	#endif
		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
145	#ifndef ST_NODEV	235	#ifndef ST_NODEV
146	# define ST_NODEV 0	236	# define ST_NODEV 0
147	#endif	237	#endif
148	#ifndef ST_NOEXEC	238	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0	239	# define ST_NOEXEC 0
…		…
171	#endif	261	#endif
172	#ifndef ST_RELATIME	262	#ifndef ST_RELATIME
173	# define ST_RELATIME 0	263	# define ST_RELATIME 0
174	#endif	264	#endif
175		265
176	#ifndef MCL_CURRENT	266	#ifndef S_IFIFO
177	# define MCL_CURRENT 0	267	# define S_IFIFO 0
178	#endif	268	#endif
179	#ifndef MCL_FUTURE	269	#ifndef S_IFCHR
180	# 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
181	#endif	289	#endif
182		290
183	#ifndef MAP_ANONYMOUS	291	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	292	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	293	# define MAP_ANONYMOUS MAP_ANON
…		…
201	#endif	309	#endif
202	#ifndef MAP_NONBLOCK	310	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0	311	# define MAP_NONBLOCK 0
204	#endif	312	#endif
205		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
206	#ifndef PAGESIZE	324	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	325	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	326	#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		327
215	enum {	328	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	330	};
218
219	#include "libeio/eio.c"
220		331
221	typedef eio_req *aio_req;	332	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	333	typedef eio_req *aio_req_ornot;
223		334
224	static SV *on_next_submit;	335	static SV *on_next_submit;
…		…
323	/* do not recreate the result IV from scratch each time */	434	/* do not recreate the result IV from scratch each time */
324	if (expect_true (sv_result_cache))	435	if (expect_true (sv_result_cache))
325	{	436	{
326	sv_result = sv_result_cache; sv_result_cache = 0;	437	sv_result = sv_result_cache; sv_result_cache = 0;
327	SvIV_set (sv_result, req->result);	438	SvIV_set (sv_result, req->result);
		439	SvIOK_only (sv_result);
328	}	440	}
329	else	441	else
330	{	442	{
331	sv_result = newSViv (req->result);	443	sv_result = newSViv (req->result);
332	SvREADONLY_on (sv_result);	444	SvREADONLY_on (sv_result);
…		…
429	case EIO_STATVFS:	541	case EIO_STATVFS:
430	case EIO_FSTATVFS:	542	case EIO_FSTATVFS:
431	{	543	{
432	SV *rv = &PL_sv_undef;	544	SV *rv = &PL_sv_undef;
433		545
		546	#ifndef _WIN32
434	if (req->result >= 0)	547	if (req->result >= 0)
435	{	548	{
436	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437	HV *hv = newHV ();	550	HV *hv = newHV ();
438		551
…		…
448	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);
449	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);
450	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);
451	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);
452	}	565	}
		566	#endif
453		567
454	PUSHs (rv);	568	PUSHs (rv);
455	}	569	}
456		570
457	break;	571	break;
…		…
473	case EIO_NOP:	587	case EIO_NOP:
474	case EIO_BUSY:	588	case EIO_BUSY:
475	break;	589	break;
476		590
477	case EIO_READLINK:	591	case EIO_READLINK:
		592	case EIO_REALPATH:
478	if (req->result > 0)	593	if (req->result > 0)
479	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	594	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480	break;	595	break;
481		596
482	case EIO_STAT:	597	case EIO_STAT:
483	case EIO_LSTAT:	598	case EIO_LSTAT:
484	case EIO_FSTAT:	599	case EIO_FSTAT:
485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
486	PL_laststatval = req->result;	601	PL_laststatval = req->result;
		602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
487	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	603	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
488	PUSHs (sv_result);	604	PUSHs (sv_result);
489	break;	605	break;
490		606
491	case EIO_READ:	607	case EIO_READ:
…		…
496	SvSETMAGIC (req->sv2);	612	SvSETMAGIC (req->sv2);
497	PUSHs (sv_result);	613	PUSHs (sv_result);
498	}	614	}
499	break;	615	break;
500		616
501	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 */
502	if (req->result > 0)	618	if (req->result > 0)
503	SvIV_set (sv_result, 0);	619	SvIV_set (sv_result, 0);
504	/* FALLTHROUGH */	620	/* FALLTHROUGH */
505		621
506	default:	622	default:
…		…
543	Safefree (req);	659	Safefree (req);
544	}	660	}
545		661
546	static void req_cancel_subs (aio_req grp)	662	static void req_cancel_subs (aio_req grp)
547	{	663	{
548	aio_req sub;
549
550	if (grp->type != EIO_GROUP)	664	if (grp->type != EIO_GROUP)
551	return;	665	return;
552		666
553	SvREFCNT_dec (grp->sv2);	667	SvREFCNT_dec (grp->sv2);
554	grp->sv2 = 0;	668	grp->sv2 = 0;
555		669
556	eio_grp_cancel (grp);	670	eio_grp_cancel (grp);
557	}	671	}
558		672
559	static void
560	create_respipe (void)	673	static void create_respipe (void)
561	{	674	{
562	if (s_epipe_renew (&respipe))	675	if (s_epipe_renew (&respipe))
563	croak ("IO::AIO: unable to initialize result pipe");	676	croak ("IO::AIO: unable to initialize result pipe");
564	}	677	}
565		678
…		…
596		709
597	poll_wait ();	710	poll_wait ();
598	}	711	}
599	}	712	}
600		713
601	static void atfork_child (void)	714	static void ecb_cold
		715	reinit (void)
602	{	716	{
603	create_respipe ();	717	create_respipe ();
		718
		719	if (eio_init (want_poll, done_poll) < 0)
		720	croak ("IO::AIO: unable to initialise eio library");
604	}	721	}
605		722
606	/*****************************************************************************/	723	/*****************************************************************************/
607		724
608	#if !_POSIX_MAPPED_FILES	725	#if !_POSIX_MAPPED_FILES
609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610	# define munmap(addr,length) (errno = ENOSYS, -1)	727	# define munmap(addr,length) (errno = ENOSYS, -1)
611	#endif	728	#endif
612		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
613	#define MMAP_MAGIC PERL_MAGIC_ext	739	#define MMAP_MAGIC PERL_MAGIC_ext
614		740
615	static int
616	mmap_free (pTHX_ SV sv, MAGIC mg)	741	static int mmap_free (pTHX_ SV sv, MAGIC mg)
617	{	742	{
618	int old_errno = errno;	743	int old_errno = errno;
619	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620	errno = old_errno;	745	errno = old_errno;
621		746
…		…
637	0, 0, 0, 0, mmap_free	762	0, 0, 0, 0, mmap_free
638	};	763	};
639		764
640	/*****************************************************************************/	765	/*****************************************************************************/
641		766
642	static SV *
643	get_cb (SV *cb_sv)	767	static SV * get_cb (SV *cb_sv)
644	{	768	{
645	SvGETMAGIC (cb_sv);	769	SvGETMAGIC (cb_sv);
646	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
647	}	771	}
648		772
…		…
689	const_iv (O_RDWR)	813	const_iv (O_RDWR)
690	const_iv (O_CREAT)	814	const_iv (O_CREAT)
691	const_iv (O_TRUNC)	815	const_iv (O_TRUNC)
692	const_iv (O_EXCL)	816	const_iv (O_EXCL)
693	const_iv (O_APPEND)	817	const_iv (O_APPEND)
694	#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
695	const_iv (S_IFIFO)	835	const_iv (S_IFIFO)
696	#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
697	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	845	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
698	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	846	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
699	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	847	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
700	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	848	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
701	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	849	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
702	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	850	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		851
		852	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		853	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		854	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		855	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		856	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
703		857
704	const_iv (ST_RDONLY)	858	const_iv (ST_RDONLY)
705	const_iv (ST_NOSUID)	859	const_iv (ST_NOSUID)
706	const_iv (ST_NODEV)	860	const_iv (ST_NODEV)
707	const_iv (ST_NOEXEC)	861	const_iv (ST_NOEXEC)
…		…
712	const_iv (ST_IMMUTABLE)	866	const_iv (ST_IMMUTABLE)
713	const_iv (ST_NOATIME)	867	const_iv (ST_NOATIME)
714	const_iv (ST_NODIRATIME)	868	const_iv (ST_NODIRATIME)
715	const_iv (ST_RELATIME)	869	const_iv (ST_RELATIME)
716		870
		871	const_iv (PROT_NONE)
717	const_iv (PROT_EXEC)	872	const_iv (PROT_EXEC)
718	const_iv (PROT_NONE)
719	const_iv (PROT_READ)	873	const_iv (PROT_READ)
720	const_iv (PROT_WRITE)	874	const_iv (PROT_WRITE)
721		875
722	/const_iv (MAP_FIXED)/	876	/const_iv (MAP_FIXED)/
723	const_iv (MAP_PRIVATE)	877	const_iv (MAP_PRIVATE)
…		…
729	const_iv (MAP_LOCKED)	883	const_iv (MAP_LOCKED)
730	const_iv (MAP_NORESERVE)	884	const_iv (MAP_NORESERVE)
731	const_iv (MAP_POPULATE)	885	const_iv (MAP_POPULATE)
732	const_iv (MAP_NONBLOCK)	886	const_iv (MAP_NONBLOCK)
733		887
734	const_iv (MCL_FUTURE)	888	const_eio (MCL_FUTURE)
735	const_iv (MCL_CURRENT)	889	const_eio (MCL_CURRENT)
736		890
737	const_eio (MS_ASYNC)	891	const_eio (MS_ASYNC)
738	const_eio (MS_INVALIDATE)	892	const_eio (MS_INVALIDATE)
739	const_eio (MS_SYNC)	893	const_eio (MS_SYNC)
740		894
741	const_eio (MT_MODIFY)	895	const_eio (MT_MODIFY)
742		896
743	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
744	const_eio (SYNC_FILE_RANGE_WRITE)	898	const_eio (SYNC_FILE_RANGE_WRITE)
745	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		900
		901	const_eio (FALLOC_FL_KEEP_SIZE)
746		902
747	const_eio (READDIR_DENTS)	903	const_eio (READDIR_DENTS)
748	const_eio (READDIR_DIRS_FIRST)	904	const_eio (READDIR_DIRS_FIRST)
749	const_eio (READDIR_STAT_ORDER)	905	const_eio (READDIR_STAT_ORDER)
750	const_eio (READDIR_FOUND_UNKNOWN)	906	const_eio (READDIR_FOUND_UNKNOWN)
…		…
767	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; )
768	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
769		925
770	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
771		927
772	create_respipe ();	928	reinit ();
773
774	if (eio_init (want_poll, done_poll) < 0)
775	croak ("IO::AIO: unable to initialise eio library");
776
777	/* atfork child called in fifo order, so before eio's handler */
778	X_THREAD_ATFORK (0, 0, atfork_child);
779	}	929	}
780		930
781	void	931	void
		932	reinit ()
		933	PROTOTYPE:
		934	CODE:
		935	reinit ();
		936
		937	void
782	max_poll_reqs (int nreqs)	938	max_poll_reqs (unsigned int nreqs)
783	PROTOTYPE: $	939	PROTOTYPE: $
784	CODE:	940	CODE:
785	eio_set_max_poll_reqs (nreqs);	941	eio_set_max_poll_reqs (nreqs);
786		942
787	void	943	void
…		…
789	PROTOTYPE: $	945	PROTOTYPE: $
790	CODE:	946	CODE:
791	eio_set_max_poll_time (nseconds);	947	eio_set_max_poll_time (nseconds);
792		948
793	void	949	void
794	min_parallel (int nthreads)	950	min_parallel (unsigned int nthreads)
795	PROTOTYPE: $	951	PROTOTYPE: $
796	CODE:	952	CODE:
797	eio_set_min_parallel (nthreads);	953	eio_set_min_parallel (nthreads);
798		954
799	void	955	void
800	max_parallel (int nthreads)	956	max_parallel (unsigned int nthreads)
801	PROTOTYPE: $	957	PROTOTYPE: $
802	CODE:	958	CODE:
803	eio_set_max_parallel (nthreads);	959	eio_set_max_parallel (nthreads);
804		960
805	void	961	void
806	max_idle (int nthreads)	962	max_idle (unsigned int nthreads)
807	PROTOTYPE: $	963	PROTOTYPE: $
808	CODE:	964	CODE:
809	eio_set_max_idle (nthreads);	965	eio_set_max_idle (nthreads);
810		966
811	void	967	void
		968	idle_timeout (unsigned int seconds)
		969	PROTOTYPE: $
		970	CODE:
		971	eio_set_idle_timeout (seconds);
		972
		973	void
812	max_outstanding (int maxreqs)	974	max_outstanding (unsigned int maxreqs)
813	PROTOTYPE: $	975	PROTOTYPE: $
814	CODE:	976	CODE:
815	max_outstanding = maxreqs;	977	max_outstanding = maxreqs;
816		978
817	void	979	void
818	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)
819	PROTOTYPE: $$$;$
820	PPCODE:	981	PPCODE:
821	{	982	{
822	dREQ;	983	dREQ;
823		984
824	req->type = EIO_OPEN;	985	req->type = EIO_OPEN;
…		…
830	REQ_SEND;	991	REQ_SEND;
831	}	992	}
832		993
833	void	994	void
834	aio_fsync (SV fh, SV callback=&PL_sv_undef)	995	aio_fsync (SV fh, SV callback=&PL_sv_undef)
835	PROTOTYPE: $;$
836	ALIAS:	996	ALIAS:
837	aio_fsync = EIO_FSYNC	997	aio_fsync = EIO_FSYNC
838	aio_fdatasync = EIO_FDATASYNC	998	aio_fdatasync = EIO_FDATASYNC
839	PPCODE:	999	PPCODE:
840	{	1000	{
…		…
848	REQ_SEND (req);	1008	REQ_SEND (req);
849	}	1009	}
850		1010
851	void	1011	void
852	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1012	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
853	PROTOTYPE: $$$$;$
854	PPCODE:	1013	PPCODE:
855	{	1014	{
856	int fd = s_fileno_croak (fh, 0);	1015	int fd = s_fileno_croak (fh, 0);
857	dREQ;	1016	dREQ;
858		1017
…		…
865		1024
866	REQ_SEND (req);	1025	REQ_SEND (req);
867	}	1026	}
868		1027
869	void	1028	void
870	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)
871	PROTOTYPE: $;$
872	PPCODE:	1030	PPCODE:
873	{	1031	{
874	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
875	int fd = s_fileno_croak (fh, 0);	1032	int fd = s_fileno_croak (fh, 0);
876	dREQ;	1033	dREQ;
877		1034
878	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))
879	{	1054	{
880	int pipefd [2];	1055	int pipefd [2];
881		1056
		1057	if (
		1058	#ifdef _WIN32
		1059	_pipe (pipefd, 1, _O_BINARY) < 0
		1060	#else
882	if (pipe (pipefd) < 0	1061	pipe (pipefd) < 0
883	\|\| close (pipefd [1]) < 0
884	\|\| 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	)
885	abort (); /D/	1066	abort (); /D/
886		1067
887	close_pipe = pipefd [0];	1068	close_fd = pipefd [0];
888	}	1069	}
889		1070
890	req->type = EIO_DUP2;	1071	req->type = EIO_DUP2;
891	req->int1 = close_pipe;	1072	req->int1 = close_fd;
892	req->sv2 = newSVsv (fh);	1073	req->sv2 = newSVsv (fh);
893	req->int2 = fd;	1074	req->int2 = fd;
894		1075
895	REQ_SEND (req);	1076	REQ_SEND (req);
896	}	1077	}
…		…
898	void	1079	void
899	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)
900	ALIAS:	1081	ALIAS:
901	aio_read = EIO_READ	1082	aio_read = EIO_READ
902	aio_write = EIO_WRITE	1083	aio_write = EIO_WRITE
903	PROTOTYPE: $$$$$;$
904	PPCODE:	1084	PPCODE:
905	{	1085	{
906	STRLEN svlen;	1086	STRLEN svlen;
907	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1087	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
908	char *svptr = SvPVbyte (data, svlen);	1088	char *svptr = SvPVbyte (data, svlen);
…		…
949	}	1129	}
950	}	1130	}
951		1131
952	void	1132	void
953	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1133	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
954	PROTOTYPE: $$;$	1134	ALIAS:
		1135	aio_readlink = EIO_READLINK
		1136	aio_realpath = EIO_REALPATH
955	PPCODE:	1137	PPCODE:
956	{	1138	{
957	SV *data;
958	dREQ;	1139	dREQ;
959		1140
960	req->type = EIO_READLINK;	1141	req->type = ix;
961	req->sv1 = newSVsv (path);	1142	req->sv1 = newSVsv (path);
962	req->ptr1 = SvPVbyte_nolen (req->sv1);	1143	req->ptr1 = SvPVbyte_nolen (req->sv1);
963		1144
964	REQ_SEND;	1145	REQ_SEND;
965	}	1146	}
966		1147
967	void	1148	void
968	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)
969	PROTOTYPE: $$$$;$
970	PPCODE:	1150	PPCODE:
971	{	1151	{
972	int ifd = s_fileno_croak (in_fh , 0);	1152	int ifd = s_fileno_croak (in_fh , 0);
973	int ofd = s_fileno_croak (out_fh, 1);	1153	int ofd = s_fileno_croak (out_fh, 1);
974	dREQ;	1154	dREQ;
…		…
984	REQ_SEND;	1164	REQ_SEND;
985	}	1165	}
986		1166
987	void	1167	void
988	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1168	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
989	PROTOTYPE: $$$;$
990	PPCODE:	1169	PPCODE:
991	{	1170	{
992	int fd = s_fileno_croak (fh, 0);	1171	int fd = s_fileno_croak (fh, 0);
993	dREQ;	1172	dREQ;
994		1173
…		…
1025	}	1204	}
1026		1205
1027	REQ_SEND;	1206	REQ_SEND;
1028	}	1207	}
1029		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
1030	void	1225	void
1031	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)
1032	PPCODE:	1227	PPCODE:
1033	{	1228	{
1034	dREQ;	1229	dREQ;
…		…
1195	void	1390	void
1196	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)
1197	ALIAS:	1392	ALIAS:
1198	aio_mtouch = EIO_MTOUCH	1393	aio_mtouch = EIO_MTOUCH
1199	aio_msync = EIO_MSYNC	1394	aio_msync = EIO_MSYNC
1200	PROTOTYPE: $$$$;$
1201	PPCODE:	1395	PPCODE:
1202	{	1396	{
1203	STRLEN svlen;	1397	STRLEN svlen;
		1398	char *svptr = SvPVbyte (data, svlen);
1204	UV len = SvUV (length);	1399	UV len = SvUV (length);
1205	char *svptr = SvPVbyte (data, svlen);
1206		1400
1207	if (offset < 0)	1401	if (offset < 0)
1208	offset += svlen;	1402	offset += svlen;
1209		1403
1210	if (offset < 0 \|\| offset > svlen)	1404	if (offset < 0 \|\| offset > svlen)
…		…
1215		1409
1216	{	1410	{
1217	dREQ;	1411	dREQ;
1218		1412
1219	req->type = ix;	1413	req->type = ix;
1220	req->size = len;
1221	req->sv2 = SvREFCNT_inc (data);	1414	req->sv2 = SvREFCNT_inc (data);
1222	req->ptr2 = (char *)svptr + offset;	1415	req->ptr2 = (char *)svptr + offset;
		1416	req->size = len;
1223	req->int1 = flags;	1417	req->int1 = flags;
1224		1418
1225	REQ_SEND;	1419	REQ_SEND;
1226	}	1420	}
1227	}	1421	}
1228		1422
1229	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
1230	aio_busy (double delay, SV *callback=&PL_sv_undef)	1465	aio_busy (double delay, SV *callback=&PL_sv_undef)
1231	PPCODE:	1466	PPCODE:
1232	{	1467	{
1233	dREQ;	1468	dREQ;
1234		1469
…		…
1238	REQ_SEND;	1473	REQ_SEND;
1239	}	1474	}
1240		1475
1241	void	1476	void
1242	aio_group (SV *callback=&PL_sv_undef)	1477	aio_group (SV *callback=&PL_sv_undef)
1243	PROTOTYPE: ;$
1244	PPCODE:	1478	PPCODE:
1245	{	1479	{
1246	dREQ;	1480	dREQ;
1247		1481
1248	req->type = EIO_GROUP;	1482	req->type = EIO_GROUP;
…		…
1265	REQ_SEND;	1499	REQ_SEND;
1266	}	1500	}
1267		1501
1268	int	1502	int
1269	aioreq_pri (int pri = 0)	1503	aioreq_pri (int pri = 0)
1270	PROTOTYPE: ;$
1271	CODE:	1504	CODE:
1272	RETVAL = next_pri;	1505	RETVAL = next_pri;
1273	if (items > 0)	1506	if (items > 0)
1274	{	1507	{
1275	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1508	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1287	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1520	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1288	next_pri = nice;	1521	next_pri = nice;
1289		1522
1290	void	1523	void
1291	flush ()	1524	flush ()
1292	PROTOTYPE:
1293	CODE:	1525	CODE:
1294	while (eio_nreqs ())	1526	while (eio_nreqs ())
1295	{	1527	{
1296	poll_wait ();	1528	poll_wait ();
1297	poll_cb ();	1529	poll_cb ();
1298	}	1530	}
1299		1531
1300	int	1532	int
1301	poll()	1533	poll ()
1302	PROTOTYPE:
1303	CODE:	1534	CODE:
1304	poll_wait ();	1535	poll_wait ();
1305	RETVAL = poll_cb ();	1536	RETVAL = poll_cb ();
1306	OUTPUT:	1537	OUTPUT:
1307	RETVAL	1538	RETVAL
1308		1539
1309	int	1540	int
1310	poll_fileno()	1541	poll_fileno ()
1311	PROTOTYPE:
1312	CODE:	1542	CODE:
1313	RETVAL = s_epipe_fd (&respipe);	1543	RETVAL = s_epipe_fd (&respipe);
1314	OUTPUT:	1544	OUTPUT:
1315	RETVAL	1545	RETVAL
1316		1546
1317	int	1547	int
1318	poll_cb(...)	1548	poll_cb (...)
1319	PROTOTYPE:	1549	PROTOTYPE:
1320	CODE:	1550	CODE:
1321	RETVAL = poll_cb ();	1551	RETVAL = poll_cb ();
1322	OUTPUT:	1552	OUTPUT:
1323	RETVAL	1553	RETVAL
1324		1554
1325	void	1555	void
1326	poll_wait()	1556	poll_wait ()
1327	PROTOTYPE:
1328	CODE:	1557	CODE:
1329	poll_wait ();	1558	poll_wait ();
1330		1559
1331	int	1560	int
1332	nreqs()	1561	nreqs ()
1333	PROTOTYPE:
1334	CODE:	1562	CODE:
1335	RETVAL = eio_nreqs ();	1563	RETVAL = eio_nreqs ();
1336	OUTPUT:	1564	OUTPUT:
1337	RETVAL	1565	RETVAL
1338		1566
1339	int	1567	int
1340	nready()	1568	nready ()
1341	PROTOTYPE:
1342	CODE:	1569	CODE:
1343	RETVAL = eio_nready ();	1570	RETVAL = eio_nready ();
1344	OUTPUT:	1571	OUTPUT:
1345	RETVAL	1572	RETVAL
1346		1573
1347	int	1574	int
1348	npending()	1575	npending ()
1349	PROTOTYPE:
1350	CODE:	1576	CODE:
1351	RETVAL = eio_npending ();	1577	RETVAL = eio_npending ();
1352	OUTPUT:	1578	OUTPUT:
1353	RETVAL	1579	RETVAL
1354		1580
1355	int	1581	int
1356	nthreads()	1582	nthreads ()
1357	PROTOTYPE:
1358	CODE:	1583	CODE:
1359	RETVAL = eio_nthreads ();	1584	RETVAL = eio_nthreads ();
1360	OUTPUT:	1585	OUTPUT:
1361	RETVAL	1586	RETVAL
1362		1587
1363	int	1588	int
1364	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)
1365	PROTOTYPE: $$$$
1366	CODE:	1590	CODE:
1367	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1368	RETVAL = posix_fadvise (fh, offset, length, advice);	1591	RETVAL = posix_fadvise (fh, offset, length, advice);
1369	#else
1370	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1371	#endif
1372	OUTPUT:	1592	OUTPUT:
1373	RETVAL	1593	RETVAL
1374		1594
1375	ssize_t	1595	ssize_t
1376	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1596	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1377	PROTOTYPE: $$$$
1378	CODE:	1597	CODE:
1379	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1598	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1380	OUTPUT:	1599	OUTPUT:
1381	RETVAL	1600	RETVAL
1382		1601
1383	void	1602	void
1384	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1603	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
1385	PROTOTYPE: $$$$$;$
1386	PPCODE:	1604	PPCODE:
1387	sv_unmagic (scalar, MMAP_MAGIC);	1605	sv_unmagic (scalar, MMAP_MAGIC);
1388	{	1606	{
1389	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;
1390	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1608	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1413	XSRETURN_YES;	1631	XSRETURN_YES;
1414	}	1632	}
1415		1633
1416	void	1634	void
1417	munmap (SV *scalar)	1635	munmap (SV *scalar)
1418	PROTOTYPE: $
1419	CODE:	1636	CODE:
1420	sv_unmagic (scalar, MMAP_MAGIC);	1637	sv_unmagic (scalar, MMAP_MAGIC);
1421		1638
1422	int	1639	int
1423	mlockall (int flags)	1640	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1424	PROTOTYPE: $	1641	ALIAS:
		1642	mprotect = 1
1425	CODE:	1643	CODE:
		1644	{
		1645	STRLEN svlen;
		1646	void *addr = SvPVbyte (scalar, svlen);
		1647	size_t len = SvUV (length);
		1648
		1649	if (offset < 0)
		1650	offset += svlen;
		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)
		1662	{
		1663	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1664	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1665	}
		1666	}
		1667	OUTPUT:
		1668	RETVAL
		1669
		1670	int
		1671	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		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);
1426	#if _POSIX_MEMLOCK	1689	#if _POSIX_MEMLOCK_RANGE
1427	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1690	RETVAL = munlock (addr, len);
1428	extern int mallopt (int, int);
1429	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1430	#endif
1431	mlockall (flags);
1432	#else	1691	#else
1433	RETVAL = -1;	1692	RETVAL = ((errno = ENOSYS), -1);
1434	errno = ENOSYS;
1435	#endif	1693	#endif
		1694	}
1436	OUTPUT:	1695	OUTPUT:
1437	RETVAL	1696	RETVAL
1438		1697
1439	int	1698	int
1440	munlockall ()	1699	munlockall ()
1441	PROTOTYPE:
1442	CODE:	1700	CODE:
1443	#if _POSIX_MEMLOCK	1701	#if _POSIX_MEMLOCK
1444	munlockall ();	1702	munlockall ();
1445	#else	1703	#else
1446	RETVAL = -1;	1704	RETVAL = -1;

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing IO-AIO/AIO.xs (file contents): Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs. Revision 1.190 by root, Mon Jul 18 02:02:26 2011 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs.
Revision 1.190 by root, Mon Jul 18 02:02:26 2011 UTC