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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.167 by root, Sun May 9 20:49:52 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
		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
622	mg->mg_obj = 0; /* just in case */	747	mg->mg_obj = 0; /* just in case */
623		748
624	SvREADONLY_off (sv);	749	SvREADONLY_off (sv);
		750
		751	if (SvPVX (sv) != mg->mg_ptr)
		752	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		753
625	SvCUR_set (sv, 0);	754	SvCUR_set (sv, 0);
626	SvLEN_set (sv, 0);
627	SvPVX (sv) = 0;	755	SvPVX (sv) = 0;
628	SvOK_off (sv);	756	SvOK_off (sv);
629		757
630	return 0;	758	return 0;
631	}	759	}
…		…
634	0, 0, 0, 0, mmap_free	762	0, 0, 0, 0, mmap_free
635	};	763	};
636		764
637	/*****************************************************************************/	765	/*****************************************************************************/
638		766
639	static SV *
640	get_cb (SV *cb_sv)	767	static SV * get_cb (SV *cb_sv)
641	{	768	{
642	SvGETMAGIC (cb_sv);	769	SvGETMAGIC (cb_sv);
643	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644	}	771	}
645		772
…		…
686	const_iv (O_RDWR)	813	const_iv (O_RDWR)
687	const_iv (O_CREAT)	814	const_iv (O_CREAT)
688	const_iv (O_TRUNC)	815	const_iv (O_TRUNC)
689	const_iv (O_EXCL)	816	const_iv (O_EXCL)
690	const_iv (O_APPEND)	817	const_iv (O_APPEND)
691	#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
692	const_iv (S_IFIFO)	835	const_iv (S_IFIFO)
693	#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
694	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	845	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
695	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	846	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
696	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	847	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
697	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	848	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
698	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	849	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
699	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)
700		857
701	const_iv (ST_RDONLY)	858	const_iv (ST_RDONLY)
702	const_iv (ST_NOSUID)	859	const_iv (ST_NOSUID)
703	const_iv (ST_NODEV)	860	const_iv (ST_NODEV)
704	const_iv (ST_NOEXEC)	861	const_iv (ST_NOEXEC)
…		…
709	const_iv (ST_IMMUTABLE)	866	const_iv (ST_IMMUTABLE)
710	const_iv (ST_NOATIME)	867	const_iv (ST_NOATIME)
711	const_iv (ST_NODIRATIME)	868	const_iv (ST_NODIRATIME)
712	const_iv (ST_RELATIME)	869	const_iv (ST_RELATIME)
713		870
		871	const_iv (PROT_NONE)
714	const_iv (PROT_EXEC)	872	const_iv (PROT_EXEC)
715	const_iv (PROT_NONE)
716	const_iv (PROT_READ)	873	const_iv (PROT_READ)
717	const_iv (PROT_WRITE)	874	const_iv (PROT_WRITE)
718		875
719	/const_iv (MAP_FIXED)/	876	/const_iv (MAP_FIXED)/
720	const_iv (MAP_PRIVATE)	877	const_iv (MAP_PRIVATE)
…		…
726	const_iv (MAP_LOCKED)	883	const_iv (MAP_LOCKED)
727	const_iv (MAP_NORESERVE)	884	const_iv (MAP_NORESERVE)
728	const_iv (MAP_POPULATE)	885	const_iv (MAP_POPULATE)
729	const_iv (MAP_NONBLOCK)	886	const_iv (MAP_NONBLOCK)
730		887
731	const_iv (MCL_FUTURE)	888	const_eio (MCL_FUTURE)
732	const_iv (MCL_CURRENT)	889	const_eio (MCL_CURRENT)
733		890
734	const_eio (MS_ASYNC)	891	const_eio (MS_ASYNC)
735	const_eio (MS_INVALIDATE)	892	const_eio (MS_INVALIDATE)
736	const_eio (MS_SYNC)	893	const_eio (MS_SYNC)
737		894
738	const_eio (MT_MODIFY)	895	const_eio (MT_MODIFY)
739		896
740	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741	const_eio (SYNC_FILE_RANGE_WRITE)	898	const_eio (SYNC_FILE_RANGE_WRITE)
742	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		900
		901	const_eio (FALLOC_FL_KEEP_SIZE)
743		902
744	const_eio (READDIR_DENTS)	903	const_eio (READDIR_DENTS)
745	const_eio (READDIR_DIRS_FIRST)	904	const_eio (READDIR_DIRS_FIRST)
746	const_eio (READDIR_STAT_ORDER)	905	const_eio (READDIR_STAT_ORDER)
747	const_eio (READDIR_FOUND_UNKNOWN)	906	const_eio (READDIR_FOUND_UNKNOWN)
…		…
764	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; )
765	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
766		925
767	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768		927
769	create_respipe ();	928	reinit ();
770
771	if (eio_init (want_poll, done_poll) < 0)
772	croak ("IO::AIO: unable to initialise eio library");
773
774	/* atfork child called in fifo order, so before eio's handler */
775	X_THREAD_ATFORK (0, 0, atfork_child);
776	}	929	}
777		930
778	void	931	void
		932	reinit ()
		933	PROTOTYPE:
		934	CODE:
		935	reinit ();
		936
		937	void
779	max_poll_reqs (int nreqs)	938	max_poll_reqs (unsigned int nreqs)
780	PROTOTYPE: $	939	PROTOTYPE: $
781	CODE:	940	CODE:
782	eio_set_max_poll_reqs (nreqs);	941	eio_set_max_poll_reqs (nreqs);
783		942
784	void	943	void
…		…
786	PROTOTYPE: $	945	PROTOTYPE: $
787	CODE:	946	CODE:
788	eio_set_max_poll_time (nseconds);	947	eio_set_max_poll_time (nseconds);
789		948
790	void	949	void
791	min_parallel (int nthreads)	950	min_parallel (unsigned int nthreads)
792	PROTOTYPE: $	951	PROTOTYPE: $
793	CODE:	952	CODE:
794	eio_set_min_parallel (nthreads);	953	eio_set_min_parallel (nthreads);
795		954
796	void	955	void
797	max_parallel (int nthreads)	956	max_parallel (unsigned int nthreads)
798	PROTOTYPE: $	957	PROTOTYPE: $
799	CODE:	958	CODE:
800	eio_set_max_parallel (nthreads);	959	eio_set_max_parallel (nthreads);
801		960
802	void	961	void
803	max_idle (int nthreads)	962	max_idle (unsigned int nthreads)
804	PROTOTYPE: $	963	PROTOTYPE: $
805	CODE:	964	CODE:
806	eio_set_max_idle (nthreads);	965	eio_set_max_idle (nthreads);
807		966
808	void	967	void
		968	idle_timeout (unsigned int seconds)
		969	PROTOTYPE: $
		970	CODE:
		971	eio_set_idle_timeout (seconds);
		972
		973	void
809	max_outstanding (int maxreqs)	974	max_outstanding (unsigned int maxreqs)
810	PROTOTYPE: $	975	PROTOTYPE: $
811	CODE:	976	CODE:
812	max_outstanding = maxreqs;	977	max_outstanding = maxreqs;
813		978
814	void	979	void
815	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)
816	PROTOTYPE: $$$;$
817	PPCODE:	981	PPCODE:
818	{	982	{
819	dREQ;	983	dREQ;
820		984
821	req->type = EIO_OPEN;	985	req->type = EIO_OPEN;
…		…
827	REQ_SEND;	991	REQ_SEND;
828	}	992	}
829		993
830	void	994	void
831	aio_fsync (SV fh, SV callback=&PL_sv_undef)	995	aio_fsync (SV fh, SV callback=&PL_sv_undef)
832	PROTOTYPE: $;$
833	ALIAS:	996	ALIAS:
834	aio_fsync = EIO_FSYNC	997	aio_fsync = EIO_FSYNC
835	aio_fdatasync = EIO_FDATASYNC	998	aio_fdatasync = EIO_FDATASYNC
		999	aio_syncfs = EIO_SYNCFS
836	PPCODE:	1000	PPCODE:
837	{	1001	{
838	int fd = s_fileno_croak (fh, 0);	1002	int fd = s_fileno_croak (fh, 0);
839	dREQ;	1003	dREQ;
840		1004
…		…
845	REQ_SEND (req);	1009	REQ_SEND (req);
846	}	1010	}
847		1011
848	void	1012	void
849	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1013	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
850	PROTOTYPE: $$$$;$
851	PPCODE:	1014	PPCODE:
852	{	1015	{
853	int fd = s_fileno_croak (fh, 0);	1016	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1017	dREQ;
855		1018
…		…
862		1025
863	REQ_SEND (req);	1026	REQ_SEND (req);
864	}	1027	}
865		1028
866	void	1029	void
867	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)
868	PROTOTYPE: $;$
869	PPCODE:	1031	PPCODE:
870	{	1032	{
871	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872	int fd = s_fileno_croak (fh, 0);	1033	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1034	dREQ;
874		1035
875	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))
876	{	1055	{
877	int pipefd [2];	1056	int pipefd [2];
878		1057
		1058	if (
		1059	#ifdef _WIN32
		1060	_pipe (pipefd, 1, _O_BINARY) < 0
		1061	#else
879	if (pipe (pipefd) < 0	1062	pipe (pipefd) < 0
880	\|\| close (pipefd [1]) < 0
881	\|\| 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	)
882	abort (); /D/	1067	abort (); /D/
883		1068
884	close_pipe = pipefd [0];	1069	close_fd = pipefd [0];
885	}	1070	}
886		1071
887	req->type = EIO_DUP2;	1072	req->type = EIO_DUP2;
888	req->int1 = close_pipe;	1073	req->int1 = close_fd;
889	req->sv2 = newSVsv (fh);	1074	req->sv2 = newSVsv (fh);
890	req->int2 = fd;	1075	req->int2 = fd;
891		1076
892	REQ_SEND (req);	1077	REQ_SEND (req);
893	}	1078	}
…		…
895	void	1080	void
896	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)
897	ALIAS:	1082	ALIAS:
898	aio_read = EIO_READ	1083	aio_read = EIO_READ
899	aio_write = EIO_WRITE	1084	aio_write = EIO_WRITE
900	PROTOTYPE: $$$$$;$
901	PPCODE:	1085	PPCODE:
902	{	1086	{
903	STRLEN svlen;	1087	STRLEN svlen;
904	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1088	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905	char *svptr = SvPVbyte (data, svlen);	1089	char *svptr = SvPVbyte (data, svlen);
…		…
946	}	1130	}
947	}	1131	}
948		1132
949	void	1133	void
950	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1134	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
951	PROTOTYPE: $$;$	1135	ALIAS:
		1136	aio_readlink = EIO_READLINK
		1137	aio_realpath = EIO_REALPATH
952	PPCODE:	1138	PPCODE:
953	{	1139	{
954	SV *data;
955	dREQ;	1140	dREQ;
956		1141
957	req->type = EIO_READLINK;	1142	req->type = ix;
958	req->sv1 = newSVsv (path);	1143	req->sv1 = newSVsv (path);
959	req->ptr1 = SvPVbyte_nolen (req->sv1);	1144	req->ptr1 = SvPVbyte_nolen (req->sv1);
960		1145
961	REQ_SEND;	1146	REQ_SEND;
962	}	1147	}
963		1148
964	void	1149	void
965	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)
966	PROTOTYPE: $$$$;$
967	PPCODE:	1151	PPCODE:
968	{	1152	{
969	int ifd = s_fileno_croak (in_fh , 0);	1153	int ifd = s_fileno_croak (in_fh , 0);
970	int ofd = s_fileno_croak (out_fh, 1);	1154	int ofd = s_fileno_croak (out_fh, 1);
971	dREQ;	1155	dREQ;
…		…
981	REQ_SEND;	1165	REQ_SEND;
982	}	1166	}
983		1167
984	void	1168	void
985	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1169	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
986	PROTOTYPE: $$$;$
987	PPCODE:	1170	PPCODE:
988	{	1171	{
989	int fd = s_fileno_croak (fh, 0);	1172	int fd = s_fileno_croak (fh, 0);
990	dREQ;	1173	dREQ;
991		1174
…		…
1022	}	1205	}
1023		1206
1024	REQ_SEND;	1207	REQ_SEND;
1025	}	1208	}
1026		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
1027	void	1226	void
1028	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)
1029	PPCODE:	1228	PPCODE:
1030	{	1229	{
1031	dREQ;	1230	dREQ;
…		…
1192	void	1391	void
1193	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)
1194	ALIAS:	1393	ALIAS:
1195	aio_mtouch = EIO_MTOUCH	1394	aio_mtouch = EIO_MTOUCH
1196	aio_msync = EIO_MSYNC	1395	aio_msync = EIO_MSYNC
1197	PROTOTYPE: $$$$;$
1198	PPCODE:	1396	PPCODE:
1199	{	1397	{
1200	STRLEN svlen;	1398	STRLEN svlen;
		1399	char *svptr = SvPVbyte (data, svlen);
1201	UV len = SvUV (length);	1400	UV len = SvUV (length);
1202	char *svptr = SvPVbyte (data, svlen);
1203		1401
1204	if (offset < 0)	1402	if (offset < 0)
1205	offset += svlen;	1403	offset += svlen;
1206		1404
1207	if (offset < 0 \|\| offset > svlen)	1405	if (offset < 0 \|\| offset > svlen)
…		…
1212		1410
1213	{	1411	{
1214	dREQ;	1412	dREQ;
1215		1413
1216	req->type = ix;	1414	req->type = ix;
1217	req->size = len;
1218	req->sv2 = SvREFCNT_inc (data);	1415	req->sv2 = SvREFCNT_inc (data);
1219	req->ptr2 = (char *)svptr + offset;	1416	req->ptr2 = (char *)svptr + offset;
		1417	req->size = len;
1220	req->int1 = flags;	1418	req->int1 = flags;
1221		1419
1222	REQ_SEND;	1420	REQ_SEND;
1223	}	1421	}
1224	}	1422	}
1225		1423
1226	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
1227	aio_busy (double delay, SV *callback=&PL_sv_undef)	1466	aio_busy (double delay, SV *callback=&PL_sv_undef)
1228	PPCODE:	1467	PPCODE:
1229	{	1468	{
1230	dREQ;	1469	dREQ;
1231		1470
…		…
1235	REQ_SEND;	1474	REQ_SEND;
1236	}	1475	}
1237		1476
1238	void	1477	void
1239	aio_group (SV *callback=&PL_sv_undef)	1478	aio_group (SV *callback=&PL_sv_undef)
1240	PROTOTYPE: ;$
1241	PPCODE:	1479	PPCODE:
1242	{	1480	{
1243	dREQ;	1481	dREQ;
1244		1482
1245	req->type = EIO_GROUP;	1483	req->type = EIO_GROUP;
…		…
1262	REQ_SEND;	1500	REQ_SEND;
1263	}	1501	}
1264		1502
1265	int	1503	int
1266	aioreq_pri (int pri = 0)	1504	aioreq_pri (int pri = 0)
1267	PROTOTYPE: ;$
1268	CODE:	1505	CODE:
1269	RETVAL = next_pri;	1506	RETVAL = next_pri;
1270	if (items > 0)	1507	if (items > 0)
1271	{	1508	{
1272	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1509	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1284	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1521	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285	next_pri = nice;	1522	next_pri = nice;
1286		1523
1287	void	1524	void
1288	flush ()	1525	flush ()
1289	PROTOTYPE:
1290	CODE:	1526	CODE:
1291	while (eio_nreqs ())	1527	while (eio_nreqs ())
1292	{	1528	{
1293	poll_wait ();	1529	poll_wait ();
1294	poll_cb ();	1530	poll_cb ();
1295	}	1531	}
1296		1532
1297	int	1533	int
1298	poll()	1534	poll ()
1299	PROTOTYPE:
1300	CODE:	1535	CODE:
1301	poll_wait ();	1536	poll_wait ();
1302	RETVAL = poll_cb ();	1537	RETVAL = poll_cb ();
1303	OUTPUT:	1538	OUTPUT:
1304	RETVAL	1539	RETVAL
1305		1540
1306	int	1541	int
1307	poll_fileno()	1542	poll_fileno ()
1308	PROTOTYPE:
1309	CODE:	1543	CODE:
1310	RETVAL = s_epipe_fd (&respipe);	1544	RETVAL = s_epipe_fd (&respipe);
1311	OUTPUT:	1545	OUTPUT:
1312	RETVAL	1546	RETVAL
1313		1547
1314	int	1548	int
1315	poll_cb(...)	1549	poll_cb (...)
1316	PROTOTYPE:	1550	PROTOTYPE:
1317	CODE:	1551	CODE:
1318	RETVAL = poll_cb ();	1552	RETVAL = poll_cb ();
1319	OUTPUT:	1553	OUTPUT:
1320	RETVAL	1554	RETVAL
1321		1555
1322	void	1556	void
1323	poll_wait()	1557	poll_wait ()
1324	PROTOTYPE:
1325	CODE:	1558	CODE:
1326	poll_wait ();	1559	poll_wait ();
1327		1560
1328	int	1561	int
1329	nreqs()	1562	nreqs ()
1330	PROTOTYPE:
1331	CODE:	1563	CODE:
1332	RETVAL = eio_nreqs ();	1564	RETVAL = eio_nreqs ();
1333	OUTPUT:	1565	OUTPUT:
1334	RETVAL	1566	RETVAL
1335		1567
1336	int	1568	int
1337	nready()	1569	nready ()
1338	PROTOTYPE:
1339	CODE:	1570	CODE:
1340	RETVAL = eio_nready ();	1571	RETVAL = eio_nready ();
1341	OUTPUT:	1572	OUTPUT:
1342	RETVAL	1573	RETVAL
1343		1574
1344	int	1575	int
1345	npending()	1576	npending ()
1346	PROTOTYPE:
1347	CODE:	1577	CODE:
1348	RETVAL = eio_npending ();	1578	RETVAL = eio_npending ();
1349	OUTPUT:	1579	OUTPUT:
1350	RETVAL	1580	RETVAL
1351		1581
1352	int	1582	int
1353	nthreads()	1583	nthreads ()
1354	PROTOTYPE:
1355	CODE:	1584	CODE:
1356	RETVAL = eio_nthreads ();	1585	RETVAL = eio_nthreads ();
1357	OUTPUT:	1586	OUTPUT:
1358	RETVAL	1587	RETVAL
1359		1588
1360	int	1589	int
1361	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)
1362	PROTOTYPE: $$$$
1363	CODE:	1591	CODE:
1364	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365	RETVAL = posix_fadvise (fh, offset, length, advice);	1592	RETVAL = posix_fadvise (fh, offset, length, advice);
1366	#else
1367	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368	#endif
1369	OUTPUT:	1593	OUTPUT:
1370	RETVAL	1594	RETVAL
1371		1595
1372	ssize_t	1596	IV
1373	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1597	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374	PROTOTYPE: $$$$
1375	CODE:	1598	CODE:
1376	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1599	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377	OUTPUT:	1600	OUTPUT:
1378	RETVAL	1601	RETVAL
1379		1602
1380	void	1603	void
1381	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1604	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
1382	PROTOTYPE: $$$$$;$
1383	PPCODE:	1605	PPCODE:
1384	sv_unmagic (scalar, MMAP_MAGIC);	1606	sv_unmagic (scalar, MMAP_MAGIC);
1385	{	1607	{
1386	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;
1387	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1609	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1388	if (addr == (void *)-1)	1610	if (addr == (void *)-1)
1389	XSRETURN_NO;	1611	XSRETURN_NO;
1390		1612
		1613	sv_force_normal (scalar);
		1614
1391	/* we store the length in mg_obj, as namlen is I32 :/ */	1615	/* we store the length in mg_obj, as namlen is I32 :/ */
1392	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1616	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393	->mg_obj = (SV *)length;	1617	->mg_obj = (SV *)length;
1394		1618
1395	SvUPGRADE (scalar, SVt_PV); /* nop... */	1619	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1620
1396	if (!(prot & PROT_WRITE))	1621	if (!(prot & PROT_WRITE))
1397	SvREADONLY_on (scalar);	1622	SvREADONLY_on (scalar);
		1623
		1624	if (SvLEN (scalar))
		1625	Safefree (SvPVX (scalar));
1398		1626
1399	SvPVX (scalar) = (char *)addr;	1627	SvPVX (scalar) = (char *)addr;
1400	SvCUR_set (scalar, length);	1628	SvCUR_set (scalar, length);
1401	SvLEN_set (scalar, 0);	1629	SvLEN_set (scalar, 0);
1402	SvPOK_only (scalar);	1630	SvPOK_only (scalar);
…		…
1404	XSRETURN_YES;	1632	XSRETURN_YES;
1405	}	1633	}
1406		1634
1407	void	1635	void
1408	munmap (SV *scalar)	1636	munmap (SV *scalar)
1409	PROTOTYPE: $
1410	CODE:	1637	CODE:
1411	sv_unmagic (scalar, MMAP_MAGIC);	1638	sv_unmagic (scalar, MMAP_MAGIC);
1412		1639
1413	int	1640	int
1414	mlockall (int flags)	1641	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1415	PROTOTYPE: $	1642	ALIAS:
		1643	mprotect = 1
1416	CODE:	1644	CODE:
		1645	{
		1646	STRLEN svlen;
		1647	void *addr = SvPVbyte (scalar, svlen);
		1648	size_t len = SvUV (length);
		1649
		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)
		1657	len = svlen - offset;
		1658
		1659	addr = (void *)(((intptr_t)addr) + offset);
		1660	eio_page_align (&addr, &len);
		1661
		1662	switch (ix)
		1663	{
		1664	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1665	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1666	}
		1667	}
		1668	OUTPUT:
		1669	RETVAL
		1670
		1671	int
		1672	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		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);
1417	#if _POSIX_MEMLOCK	1690	#if _POSIX_MEMLOCK_RANGE
1418	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1691	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	1692	#else
1424	RETVAL = -1;	1693	RETVAL = ((errno = ENOSYS), -1);
1425	errno = ENOSYS;
1426	#endif	1694	#endif
		1695	}
1427	OUTPUT:	1696	OUTPUT:
1428	RETVAL	1697	RETVAL
1429		1698
1430	int	1699	int
1431	munlockall ()	1700	munlockall ()
1432	PROTOTYPE:
1433	CODE:	1701	CODE:
1434	#if _POSIX_MEMLOCK	1702	#if _POSIX_MEMLOCK
1435	munlockall ();	1703	munlockall ();
1436	#else	1704	#else
1437	RETVAL = -1;	1705	RETVAL = -1;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.167 by root, Sun May 9 20:49:52 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 1.167 by root, Sun May 9 20:49:52 2010 UTC vs.
Revision 1.192 by root, Sun Jul 24 03:32:52 2011 UTC