[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 1.180 by root, Fri Feb 11 00:05:17 2011 UTC

…		…
16	#include <sys/statvfs.h>	16	#include <sys/statvfs.h>
17	#include <limits.h>	17	#include <limits.h>
18	#include <fcntl.h>	18	#include <fcntl.h>
19	#include <sched.h>	19	#include <sched.h>
20		20
21	#if _POSIX_MEMLOCK \|\| _POSIX_MAPPED_FILES	21	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	22	# include <sys/mman.h>
23	#endif	23	#endif
24		24
25	/* perl namespace pollution */	25	/* perl namespace pollution */
26	#undef VERSION	26	#undef VERSION
…		…
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
		123	#include "libeio/config.h"
123	#include "libeio/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	#ifndef POSIX_FADV_NORMAL
126	# define POSIX_FADV_NORMAL 0	127	# define POSIX_FADV_NORMAL 0
127	# define NO_FADVISE 1
128	#endif	128	#endif
129	#ifndef POSIX_FADV_SEQUENTIAL	129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0	130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif	131	#endif
132	#ifndef POSIX_FADV_RANDOM	132	#ifndef POSIX_FADV_RANDOM
…		…
140	#endif	140	#endif
141	#ifndef POSIX_FADV_DONTNEED	141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0	142	# define POSIX_FADV_DONTNEED 0
143	#endif	143	#endif
144		144
		145	#if !HAVE_POSIX_FADVISE
		146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		147	#endif
		148
		149	#ifndef POSIX_MADV_NORMAL
		150	# define POSIX_MADV_NORMAL 0
		151	#endif
		152	#ifndef POSIX_MADV_SEQUENTIAL
		153	# define POSIX_MADV_SEQUENTIAL 0
		154	#endif
		155	#ifndef POSIX_MADV_RANDOM
		156	# define POSIX_MADV_RANDOM 0
		157	#endif
		158	#ifndef POSIX_MADV_WILLNEED
		159	# define POSIX_MADV_WILLNEED 0
		160	#endif
		161	#ifndef POSIX_MADV_DONTNEED
		162	# define POSIX_MADV_DONTNEED 0
		163	#endif
		164
		165	#if !HAVE_POSIX_MADVISE
		166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		167	#endif
		168
		169	#ifndef PROT_NONE
		170	# define PROT_NONE 0
		171	#endif
		172	#ifndef PROT_READ
		173	# define PROT_READ 0
		174	#endif
		175	#ifndef PROT_WRITE
		176	# define PROT_READ 0
		177	#endif
		178	#ifndef PROT_EXEC
		179	# define PROT_EXEC 0
		180	#endif
		181
145	#ifndef ST_NODEV	182	#ifndef ST_NODEV
146	# define ST_NODEV 0	183	# define ST_NODEV 0
147	#endif	184	#endif
148	#ifndef ST_NOEXEC	185	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0	186	# define ST_NOEXEC 0
…		…
171	#endif	208	#endif
172	#ifndef ST_RELATIME	209	#ifndef ST_RELATIME
173	# define ST_RELATIME 0	210	# define ST_RELATIME 0
174	#endif	211	#endif
175		212
176	#ifndef MCL_CURRENT	213	#ifndef S_IFIFO
177	# define MCL_CURRENT 0	214	# define S_IFIFO 0
178	#endif	215	#endif
179	#ifndef MCL_FUTURE	216	#ifndef S_IFCHR
180	# define MCL_FUTURE 0	217	# define S_IFCHR 0
		218	#endif
		219	#ifndef S_IFBLK
		220	# define S_IFBLK 0
		221	#endif
		222	#ifndef S_IFLNK
		223	# define S_IFLNK 0
		224	#endif
		225	#ifndef S_IFREG
		226	# define S_IFREG 0
		227	#endif
		228	#ifndef S_IFDIR
		229	# define S_IFDIR 0
		230	#endif
		231	#ifndef S_IFWHT
		232	# define S_IFWHT 0
		233	#endif
		234	#ifndef S_IFSOCK
		235	# define S_IFSOCK 0
181	#endif	236	#endif
182		237
183	#ifndef MAP_ANONYMOUS	238	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	239	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	240	# define MAP_ANONYMOUS MAP_ANON
…		…
199	#ifndef MAP_POPULATE	254	#ifndef MAP_POPULATE
200	# define MAP_POPULATE 0	255	# define MAP_POPULATE 0
201	#endif	256	#endif
202	#ifndef MAP_NONBLOCK	257	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0	258	# define MAP_NONBLOCK 0
		259	#endif
		260
		261	#ifndef makedev
		262	# define makedev(maj,min) (((maj) << 8) \| (min))
		263	#endif
		264	#ifndef major
		265	# define major(dev) ((dev) >> 8)
		266	#endif
		267	#ifndef minor
		268	# define minor(dev) ((dev) & 0xff)
204	#endif	269	#endif
205		270
206	#ifndef PAGESIZE	271	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	272	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	273	#endif
…		…
323	/* do not recreate the result IV from scratch each time */	388	/* do not recreate the result IV from scratch each time */
324	if (expect_true (sv_result_cache))	389	if (expect_true (sv_result_cache))
325	{	390	{
326	sv_result = sv_result_cache; sv_result_cache = 0;	391	sv_result = sv_result_cache; sv_result_cache = 0;
327	SvIV_set (sv_result, req->result);	392	SvIV_set (sv_result, req->result);
		393	SvIOK_only (sv_result);
328	}	394	}
329	else	395	else
330	{	396	{
331	sv_result = newSViv (req->result);	397	sv_result = newSViv (req->result);
332	SvREADONLY_on (sv_result);	398	SvREADONLY_on (sv_result);
…		…
496	SvSETMAGIC (req->sv2);	562	SvSETMAGIC (req->sv2);
497	PUSHs (sv_result);	563	PUSHs (sv_result);
498	}	564	}
499	break;	565	break;
500		566
501	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	567	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502	if (req->result > 0)	568	if (req->result > 0)
503	SvIV_set (sv_result, 0);	569	SvIV_set (sv_result, 0);
504	/* FALLTHROUGH */	570	/* FALLTHROUGH */
505		571
506	default:	572	default:
…		…
608	#if !_POSIX_MAPPED_FILES	674	#if !_POSIX_MAPPED_FILES
609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	675	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610	# define munmap(addr,length) (errno = ENOSYS, -1)	676	# define munmap(addr,length) (errno = ENOSYS, -1)
611	#endif	677	#endif
612		678
		679	#if !_POSIX_MEMORY_PROTECTION
		680	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		681	# define PROT_NONE 0
		682	# define PROT_WRITE 0
		683	# define MAP_PRIVATE 0
		684	# define MAP_SHARED 0
		685	# define MAP_FIXED 0
		686	#endif
		687
613	#define MMAP_MAGIC PERL_MAGIC_ext	688	#define MMAP_MAGIC PERL_MAGIC_ext
614		689
615	static int	690	static int
616	mmap_free (pTHX_ SV sv, MAGIC mg)	691	mmap_free (pTHX_ SV sv, MAGIC mg)
617	{	692	{
…		…
620	errno = old_errno;	695	errno = old_errno;
621		696
622	mg->mg_obj = 0; /* just in case */	697	mg->mg_obj = 0; /* just in case */
623		698
624	SvREADONLY_off (sv);	699	SvREADONLY_off (sv);
		700
		701	if (SvPVX (sv) != mg->mg_ptr)
		702	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		703
625	SvCUR_set (sv, 0);	704	SvCUR_set (sv, 0);
626	SvLEN_set (sv, 0);
627	SvPVX (sv) = 0;	705	SvPVX (sv) = 0;
628	SvOK_off (sv);	706	SvOK_off (sv);
629		707
630	return 0;	708	return 0;
631	}	709	}
…		…
686	const_iv (O_RDWR)	764	const_iv (O_RDWR)
687	const_iv (O_CREAT)	765	const_iv (O_CREAT)
688	const_iv (O_TRUNC)	766	const_iv (O_TRUNC)
689	const_iv (O_EXCL)	767	const_iv (O_EXCL)
690	const_iv (O_APPEND)	768	const_iv (O_APPEND)
691	#ifndef _WIN32	769
692	const_iv (S_IFIFO)	770	const_iv (S_IFIFO)
693	#endif	771	const_iv (S_IFCHR)
		772	const_iv (S_IFBLK)
		773	const_iv (S_IFLNK)
		774	const_iv (S_IFREG)
		775	const_iv (S_IFDIR)
		776	const_iv (S_IFWHT)
		777	const_iv (S_IFSOCK)
		778	const_iv (S_IFMT)
		779
694	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	780	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
695	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	781	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
696	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	782	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
697	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	783	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
698	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	784	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
699	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	785	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		786
		787	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		788	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		789	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		790	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		791	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
700		792
701	const_iv (ST_RDONLY)	793	const_iv (ST_RDONLY)
702	const_iv (ST_NOSUID)	794	const_iv (ST_NOSUID)
703	const_iv (ST_NODEV)	795	const_iv (ST_NODEV)
704	const_iv (ST_NOEXEC)	796	const_iv (ST_NOEXEC)
…		…
709	const_iv (ST_IMMUTABLE)	801	const_iv (ST_IMMUTABLE)
710	const_iv (ST_NOATIME)	802	const_iv (ST_NOATIME)
711	const_iv (ST_NODIRATIME)	803	const_iv (ST_NODIRATIME)
712	const_iv (ST_RELATIME)	804	const_iv (ST_RELATIME)
713		805
		806	const_iv (PROT_NONE)
714	const_iv (PROT_EXEC)	807	const_iv (PROT_EXEC)
715	const_iv (PROT_NONE)
716	const_iv (PROT_READ)	808	const_iv (PROT_READ)
717	const_iv (PROT_WRITE)	809	const_iv (PROT_WRITE)
718		810
719	/const_iv (MAP_FIXED)/	811	/const_iv (MAP_FIXED)/
720	const_iv (MAP_PRIVATE)	812	const_iv (MAP_PRIVATE)
…		…
726	const_iv (MAP_LOCKED)	818	const_iv (MAP_LOCKED)
727	const_iv (MAP_NORESERVE)	819	const_iv (MAP_NORESERVE)
728	const_iv (MAP_POPULATE)	820	const_iv (MAP_POPULATE)
729	const_iv (MAP_NONBLOCK)	821	const_iv (MAP_NONBLOCK)
730		822
731	const_iv (MCL_FUTURE)	823	const_eio (MCL_FUTURE)
732	const_iv (MCL_CURRENT)	824	const_eio (MCL_CURRENT)
733		825
734	const_eio (MS_ASYNC)	826	const_eio (MS_ASYNC)
735	const_eio (MS_INVALIDATE)	827	const_eio (MS_INVALIDATE)
736	const_eio (MS_SYNC)	828	const_eio (MS_SYNC)
737		829
…		…
811	CODE:	903	CODE:
812	max_outstanding = maxreqs;	904	max_outstanding = maxreqs;
813		905
814	void	906	void
815	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	907	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
816	PROTOTYPE: $$$;$
817	PPCODE:	908	PPCODE:
818	{	909	{
819	dREQ;	910	dREQ;
820		911
821	req->type = EIO_OPEN;	912	req->type = EIO_OPEN;
…		…
827	REQ_SEND;	918	REQ_SEND;
828	}	919	}
829		920
830	void	921	void
831	aio_fsync (SV fh, SV callback=&PL_sv_undef)	922	aio_fsync (SV fh, SV callback=&PL_sv_undef)
832	PROTOTYPE: $;$
833	ALIAS:	923	ALIAS:
834	aio_fsync = EIO_FSYNC	924	aio_fsync = EIO_FSYNC
835	aio_fdatasync = EIO_FDATASYNC	925	aio_fdatasync = EIO_FDATASYNC
836	PPCODE:	926	PPCODE:
837	{	927	{
…		…
845	REQ_SEND (req);	935	REQ_SEND (req);
846	}	936	}
847		937
848	void	938	void
849	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	939	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
850	PROTOTYPE: $$$$;$
851	PPCODE:	940	PPCODE:
852	{	941	{
853	int fd = s_fileno_croak (fh, 0);	942	int fd = s_fileno_croak (fh, 0);
854	dREQ;	943	dREQ;
855		944
…		…
863	REQ_SEND (req);	952	REQ_SEND (req);
864	}	953	}
865		954
866	void	955	void
867	aio_close (SV fh, SV callback=&PL_sv_undef)	956	aio_close (SV fh, SV callback=&PL_sv_undef)
868	PROTOTYPE: $;$
869	PPCODE:	957	PPCODE:
870	{	958	{
871	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	959	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872	int fd = s_fileno_croak (fh, 0);	960	int fd = s_fileno_croak (fh, 0);
873	dREQ;	961	dREQ;
…		…
895	void	983	void
896	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	984	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
897	ALIAS:	985	ALIAS:
898	aio_read = EIO_READ	986	aio_read = EIO_READ
899	aio_write = EIO_WRITE	987	aio_write = EIO_WRITE
900	PROTOTYPE: $$$$$;$
901	PPCODE:	988	PPCODE:
902	{	989	{
903	STRLEN svlen;	990	STRLEN svlen;
904	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	991	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905	char *svptr = SvPVbyte (data, svlen);	992	char *svptr = SvPVbyte (data, svlen);
…		…
946	}	1033	}
947	}	1034	}
948		1035
949	void	1036	void
950	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1037	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
951	PROTOTYPE: $$;$
952	PPCODE:	1038	PPCODE:
953	{	1039	{
954	SV *data;	1040	SV *data;
955	dREQ;	1041	dREQ;
956		1042
…		…
961	REQ_SEND;	1047	REQ_SEND;
962	}	1048	}
963		1049
964	void	1050	void
965	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1051	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
966	PROTOTYPE: $$$$;$
967	PPCODE:	1052	PPCODE:
968	{	1053	{
969	int ifd = s_fileno_croak (in_fh , 0);	1054	int ifd = s_fileno_croak (in_fh , 0);
970	int ofd = s_fileno_croak (out_fh, 1);	1055	int ofd = s_fileno_croak (out_fh, 1);
971	dREQ;	1056	dREQ;
…		…
981	REQ_SEND;	1066	REQ_SEND;
982	}	1067	}
983		1068
984	void	1069	void
985	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1070	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
986	PROTOTYPE: $$$;$
987	PPCODE:	1071	PPCODE:
988	{	1072	{
989	int fd = s_fileno_croak (fh, 0);	1073	int fd = s_fileno_croak (fh, 0);
990	dREQ;	1074	dREQ;
991		1075
…		…
1022	}	1106	}
1023		1107
1024	REQ_SEND;	1108	REQ_SEND;
1025	}	1109	}
1026		1110
		1111	UV
		1112	major (UV dev)
		1113	ALIAS:
		1114	minor = 1
		1115	CODE:
		1116	RETVAL = ix ? major (dev) : minor (dev);
		1117	OUTPUT:
		1118	RETVAL
		1119
		1120	UV
		1121	makedev (UV maj, UV min)
		1122	CODE:
		1123	RETVAL = makedev (maj, min);
		1124	OUTPUT:
		1125	RETVAL
		1126
1027	void	1127	void
1028	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1128	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
1029	PPCODE:	1129	PPCODE:
1030	{	1130	{
1031	dREQ;	1131	dREQ;
…		…
1192	void	1292	void
1193	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1293	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1194	ALIAS:	1294	ALIAS:
1195	aio_mtouch = EIO_MTOUCH	1295	aio_mtouch = EIO_MTOUCH
1196	aio_msync = EIO_MSYNC	1296	aio_msync = EIO_MSYNC
1197	PROTOTYPE: $$$$;$
1198	PPCODE:	1297	PPCODE:
1199	{	1298	{
1200	STRLEN svlen;	1299	STRLEN svlen;
		1300	char *svptr = SvPVbyte (data, svlen);
1201	UV len = SvUV (length);	1301	UV len = SvUV (length);
1202	char *svptr = SvPVbyte (data, svlen);
1203		1302
1204	if (offset < 0)	1303	if (offset < 0)
1205	offset += svlen;	1304	offset += svlen;
1206		1305
1207	if (offset < 0 \|\| offset > svlen)	1306	if (offset < 0 \|\| offset > svlen)
…		…
1212		1311
1213	{	1312	{
1214	dREQ;	1313	dREQ;
1215		1314
1216	req->type = ix;	1315	req->type = ix;
1217	req->size = len;
1218	req->sv2 = SvREFCNT_inc (data);	1316	req->sv2 = SvREFCNT_inc (data);
1219	req->ptr2 = (char *)svptr + offset;	1317	req->ptr2 = (char *)svptr + offset;
		1318	req->size = len;
1220	req->int1 = flags;	1319	req->int1 = flags;
1221		1320
1222	REQ_SEND;	1321	REQ_SEND;
1223	}	1322	}
1224	}	1323	}
1225		1324
1226	void	1325	void
		1326	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1327	PPCODE:
		1328	{
		1329	STRLEN svlen;
		1330	char *svptr = SvPVbyte (data, svlen);
		1331	UV len = SvUV (length);
		1332
		1333	if (offset < 0)
		1334	offset += svlen;
		1335
		1336	if (offset < 0 \|\| offset > svlen)
		1337	croak ("offset outside of scalar");
		1338
		1339	if (!SvOK (length) \|\| len + offset > svlen)
		1340	len = svlen - offset;
		1341
		1342	{
		1343	dREQ;
		1344
		1345	req->type = EIO_MLOCK;
		1346	req->sv2 = SvREFCNT_inc (data);
		1347	req->ptr2 = (char *)svptr + offset;
		1348	req->size = len;
		1349
		1350	REQ_SEND;
		1351	}
		1352	}
		1353
		1354	void
		1355	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1356	PPCODE:
		1357	{
		1358	dREQ;
		1359
		1360	req->type = EIO_MLOCKALL;
		1361	req->int1 = flags;
		1362
		1363	REQ_SEND;
		1364	}
		1365
		1366	void
1227	aio_busy (double delay, SV *callback=&PL_sv_undef)	1367	aio_busy (double delay, SV *callback=&PL_sv_undef)
1228	PPCODE:	1368	PPCODE:
1229	{	1369	{
1230	dREQ;	1370	dREQ;
1231		1371
…		…
1235	REQ_SEND;	1375	REQ_SEND;
1236	}	1376	}
1237		1377
1238	void	1378	void
1239	aio_group (SV *callback=&PL_sv_undef)	1379	aio_group (SV *callback=&PL_sv_undef)
1240	PROTOTYPE: ;$
1241	PPCODE:	1380	PPCODE:
1242	{	1381	{
1243	dREQ;	1382	dREQ;
1244		1383
1245	req->type = EIO_GROUP;	1384	req->type = EIO_GROUP;
…		…
1262	REQ_SEND;	1401	REQ_SEND;
1263	}	1402	}
1264		1403
1265	int	1404	int
1266	aioreq_pri (int pri = 0)	1405	aioreq_pri (int pri = 0)
1267	PROTOTYPE: ;$
1268	CODE:	1406	CODE:
1269	RETVAL = next_pri;	1407	RETVAL = next_pri;
1270	if (items > 0)	1408	if (items > 0)
1271	{	1409	{
1272	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1410	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1284	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1422	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285	next_pri = nice;	1423	next_pri = nice;
1286		1424
1287	void	1425	void
1288	flush ()	1426	flush ()
1289	PROTOTYPE:
1290	CODE:	1427	CODE:
1291	while (eio_nreqs ())	1428	while (eio_nreqs ())
1292	{	1429	{
1293	poll_wait ();	1430	poll_wait ();
1294	poll_cb ();	1431	poll_cb ();
1295	}	1432	}
1296		1433
1297	int	1434	int
1298	poll()	1435	poll ()
1299	PROTOTYPE:
1300	CODE:	1436	CODE:
1301	poll_wait ();	1437	poll_wait ();
1302	RETVAL = poll_cb ();	1438	RETVAL = poll_cb ();
1303	OUTPUT:	1439	OUTPUT:
1304	RETVAL	1440	RETVAL
1305		1441
1306	int	1442	int
1307	poll_fileno()	1443	poll_fileno ()
1308	PROTOTYPE:
1309	CODE:	1444	CODE:
1310	RETVAL = s_epipe_fd (&respipe);	1445	RETVAL = s_epipe_fd (&respipe);
1311	OUTPUT:	1446	OUTPUT:
1312	RETVAL	1447	RETVAL
1313		1448
1314	int	1449	int
1315	poll_cb(...)	1450	poll_cb (...)
1316	PROTOTYPE:	1451	PROTOTYPE:
1317	CODE:	1452	CODE:
1318	RETVAL = poll_cb ();	1453	RETVAL = poll_cb ();
1319	OUTPUT:	1454	OUTPUT:
1320	RETVAL	1455	RETVAL
1321		1456
1322	void	1457	void
1323	poll_wait()	1458	poll_wait ()
1324	PROTOTYPE:
1325	CODE:	1459	CODE:
1326	poll_wait ();	1460	poll_wait ();
1327		1461
1328	int	1462	int
1329	nreqs()	1463	nreqs ()
1330	PROTOTYPE:
1331	CODE:	1464	CODE:
1332	RETVAL = eio_nreqs ();	1465	RETVAL = eio_nreqs ();
1333	OUTPUT:	1466	OUTPUT:
1334	RETVAL	1467	RETVAL
1335		1468
1336	int	1469	int
1337	nready()	1470	nready ()
1338	PROTOTYPE:
1339	CODE:	1471	CODE:
1340	RETVAL = eio_nready ();	1472	RETVAL = eio_nready ();
1341	OUTPUT:	1473	OUTPUT:
1342	RETVAL	1474	RETVAL
1343		1475
1344	int	1476	int
1345	npending()	1477	npending ()
1346	PROTOTYPE:
1347	CODE:	1478	CODE:
1348	RETVAL = eio_npending ();	1479	RETVAL = eio_npending ();
1349	OUTPUT:	1480	OUTPUT:
1350	RETVAL	1481	RETVAL
1351		1482
1352	int	1483	int
1353	nthreads()	1484	nthreads ()
1354	PROTOTYPE:
1355	CODE:	1485	CODE:
1356	RETVAL = eio_nthreads ();	1486	RETVAL = eio_nthreads ();
1357	OUTPUT:	1487	OUTPUT:
1358	RETVAL	1488	RETVAL
1359		1489
1360	int	1490	int
1361	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1491	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362	PROTOTYPE: $$$$
1363	CODE:	1492	CODE:
1364	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365	RETVAL = posix_fadvise (fh, offset, length, advice);	1493	RETVAL = posix_fadvise (fh, offset, length, advice);
1366	#else
1367	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368	#endif
1369	OUTPUT:	1494	OUTPUT:
1370	RETVAL	1495	RETVAL
1371		1496
1372	ssize_t	1497	ssize_t
1373	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1498	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374	PROTOTYPE: $$$$
1375	CODE:	1499	CODE:
1376	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1500	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377	OUTPUT:	1501	OUTPUT:
1378	RETVAL	1502	RETVAL
1379		1503
1380	void	1504	void
1381	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1505	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
1382	PROTOTYPE: $$$$$;$
1383	PPCODE:	1506	PPCODE:
1384	sv_unmagic (scalar, MMAP_MAGIC);	1507	sv_unmagic (scalar, MMAP_MAGIC);
1385	{	1508	{
1386	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1509	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1510	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1388	if (addr == (void *)-1)	1511	if (addr == (void *)-1)
1389	XSRETURN_NO;	1512	XSRETURN_NO;
1390		1513
		1514	sv_force_normal (scalar);
		1515
1391	/* we store the length in mg_obj, as namlen is I32 :/ */	1516	/* we store the length in mg_obj, as namlen is I32 :/ */
1392	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1517	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393	->mg_obj = (SV *)length;	1518	->mg_obj = (SV *)length;
1394		1519
1395	SvUPGRADE (scalar, SVt_PV); /* nop... */	1520	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1521
1396	if (!(prot & PROT_WRITE))	1522	if (!(prot & PROT_WRITE))
1397	SvREADONLY_on (scalar);	1523	SvREADONLY_on (scalar);
		1524
		1525	if (SvLEN (scalar))
		1526	Safefree (SvPVX (scalar));
1398		1527
1399	SvPVX (scalar) = (char *)addr;	1528	SvPVX (scalar) = (char *)addr;
1400	SvCUR_set (scalar, length);	1529	SvCUR_set (scalar, length);
1401	SvLEN_set (scalar, 0);	1530	SvLEN_set (scalar, 0);
1402	SvPOK_only (scalar);	1531	SvPOK_only (scalar);
…		…
1404	XSRETURN_YES;	1533	XSRETURN_YES;
1405	}	1534	}
1406		1535
1407	void	1536	void
1408	munmap (SV *scalar)	1537	munmap (SV *scalar)
1409	PROTOTYPE: $
1410	CODE:	1538	CODE:
1411	sv_unmagic (scalar, MMAP_MAGIC);	1539	sv_unmagic (scalar, MMAP_MAGIC);
1412		1540
1413	int	1541	int
1414	mlockall (int flags)	1542	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1415	PROTOTYPE: $	1543	ALIAS:
		1544	mprotect = 1
1416	CODE:	1545	CODE:
		1546	{
		1547	STRLEN svlen;
		1548	void *addr = SvPVbyte (scalar, svlen);
		1549	size_t len = SvUV (length);
		1550
		1551	if (offset < 0)
		1552	offset += svlen;
		1553
		1554	if (offset < 0 \|\| offset > svlen)
		1555	croak ("offset outside of scalar");
		1556
		1557	if (!SvOK (length) \|\| len + offset > svlen)
		1558	len = svlen - offset;
		1559
		1560	addr = (void *)(((intptr_t)addr) + offset);
		1561	eio_page_align (&addr, &len);
		1562
		1563	switch (ix)
		1564	{
		1565	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1566	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1567	}
		1568	}
		1569	OUTPUT:
		1570	RETVAL
		1571
		1572	int
		1573	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1574	CODE:
		1575	{
		1576	STRLEN svlen;
		1577	void *addr = SvPVbyte (scalar, svlen);
		1578	size_t len = SvUV (length);
		1579
		1580	if (offset < 0)
		1581	offset += svlen;
		1582
		1583	if (offset < 0 \|\| offset > svlen)
		1584	croak ("offset outside of scalar");
		1585
		1586	if (!SvOK (length) \|\| len + offset > svlen)
		1587	len = svlen - offset;
		1588
		1589	addr = (void *)(((intptr_t)addr) + offset);
		1590	eio_page_align (&addr, &len);
1417	#if _POSIX_MEMLOCK	1591	#if _POSIX_MEMLOCK_RANGE
1418	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1592	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	1593	#else
1424	RETVAL = -1;	1594	RETVAL = ((errno = ENOSYS), -1);
1425	errno = ENOSYS;
1426	#endif	1595	#endif
		1596	}
1427	OUTPUT:	1597	OUTPUT:
1428	RETVAL	1598	RETVAL
1429		1599
1430	int	1600	int
1431	munlockall ()	1601	munlockall ()
1432	PROTOTYPE:
1433	CODE:	1602	CODE:
1434	#if _POSIX_MEMLOCK	1603	#if _POSIX_MEMLOCK
1435	munlockall ();	1604	munlockall ();
1436	#else	1605	#else
1437	RETVAL = -1;	1606	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 1.180 by root, Fri Feb 11 00:05:17 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 1.180 by root, Fri Feb 11 00:05:17 2011 UTC