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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 2010 UTC vs.
Revision 1.179 by root, Fri Jan 7 21:47:15 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 _XOPEN_SOURCE < 600 \|\| NO_FADVISE	145	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	147	#endif
148		148
149	#ifndef POSIX_MADV_NORMAL	149	#ifndef POSIX_MADV_NORMAL
150	# define POSIX_MADV_NORMAL 0	150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif	151	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL	152	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0	153	# define POSIX_MADV_SEQUENTIAL 0
155	#endif	154	#endif
156	#ifndef POSIX_MADV_RANDOM	155	#ifndef POSIX_MADV_RANDOM
…		…
161	#endif	160	#endif
162	#ifndef POSIX_MADV_DONTNEED	161	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0	162	# define POSIX_MADV_DONTNEED 0
164	#endif	163	#endif
165		164
166	#if _XOPEN_SOURCE < 600 \|\| NO_MADVISE	165	#if !HAVE_POSIX_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif	167	#endif
169		168
170	#ifndef PROT_NONE	169	#ifndef PROT_NONE
171	# define PROT_NONE 0	170	# define PROT_NONE 0
…		…
207	#ifndef ST_NODIRATIME	206	#ifndef ST_NODIRATIME
208	# define ST_NODIRATIME 0	207	# define ST_NODIRATIME 0
209	#endif	208	#endif
210	#ifndef ST_RELATIME	209	#ifndef ST_RELATIME
211	# define ST_RELATIME 0	210	# define ST_RELATIME 0
212	#endif
213
214	#ifndef MCL_CURRENT
215	# define MCL_CURRENT 0
216	#endif
217	#ifndef MCL_FUTURE
218	# define MCL_FUTURE 0
219	#endif	211	#endif
220		212
221	#ifndef MAP_ANONYMOUS	213	#ifndef MAP_ANONYMOUS
222	# ifdef MAP_ANON	214	# ifdef MAP_ANON
223	# define MAP_ANONYMOUS MAP_ANON	215	# define MAP_ANONYMOUS MAP_ANON
…		…
361	/* do not recreate the result IV from scratch each time */	353	/* do not recreate the result IV from scratch each time */
362	if (expect_true (sv_result_cache))	354	if (expect_true (sv_result_cache))
363	{	355	{
364	sv_result = sv_result_cache; sv_result_cache = 0;	356	sv_result = sv_result_cache; sv_result_cache = 0;
365	SvIV_set (sv_result, req->result);	357	SvIV_set (sv_result, req->result);
		358	SvIOK_only (sv_result);
366	}	359	}
367	else	360	else
368	{	361	{
369	sv_result = newSViv (req->result);	362	sv_result = newSViv (req->result);
370	SvREADONLY_on (sv_result);	363	SvREADONLY_on (sv_result);
…		…
534	SvSETMAGIC (req->sv2);	527	SvSETMAGIC (req->sv2);
535	PUSHs (sv_result);	528	PUSHs (sv_result);
536	}	529	}
537	break;	530	break;
538		531
539	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	532	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
540	if (req->result > 0)	533	if (req->result > 0)
541	SvIV_set (sv_result, 0);	534	SvIV_set (sv_result, 0);
542	/* FALLTHROUGH */	535	/* FALLTHROUGH */
543		536
544	default:	537	default:
…		…
644	/*****************************************************************************/	637	/*****************************************************************************/
645		638
646	#if !_POSIX_MAPPED_FILES	639	#if !_POSIX_MAPPED_FILES
647	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	640	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648	# define munmap(addr,length) (errno = ENOSYS, -1)	641	# define munmap(addr,length) (errno = ENOSYS, -1)
		642	#endif
		643
		644	#if !_POSIX_MEMORY_PROTECTION
649	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	645	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		646	# define PROT_NONE 0
		647	# define PROT_WRITE 0
		648	# define MAP_PRIVATE 0
		649	# define MAP_SHARED 0
		650	# define MAP_FIXED 0
650	#endif	651	#endif
651		652
652	#define MMAP_MAGIC PERL_MAGIC_ext	653	#define MMAP_MAGIC PERL_MAGIC_ext
653		654
654	static int	655	static int
…		…
774	const_iv (MAP_LOCKED)	775	const_iv (MAP_LOCKED)
775	const_iv (MAP_NORESERVE)	776	const_iv (MAP_NORESERVE)
776	const_iv (MAP_POPULATE)	777	const_iv (MAP_POPULATE)
777	const_iv (MAP_NONBLOCK)	778	const_iv (MAP_NONBLOCK)
778		779
779	const_iv (MCL_FUTURE)	780	const_eio (MCL_FUTURE)
780	const_iv (MCL_CURRENT)	781	const_eio (MCL_CURRENT)
781		782
782	const_eio (MS_ASYNC)	783	const_eio (MS_ASYNC)
783	const_eio (MS_INVALIDATE)	784	const_eio (MS_INVALIDATE)
784	const_eio (MS_SYNC)	785	const_eio (MS_SYNC)
785		786
…		…
859	CODE:	860	CODE:
860	max_outstanding = maxreqs;	861	max_outstanding = maxreqs;
861		862
862	void	863	void
863	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	864	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
864	PROTOTYPE: $$$;$
865	PPCODE:	865	PPCODE:
866	{	866	{
867	dREQ;	867	dREQ;
868		868
869	req->type = EIO_OPEN;	869	req->type = EIO_OPEN;
…		…
875	REQ_SEND;	875	REQ_SEND;
876	}	876	}
877		877
878	void	878	void
879	aio_fsync (SV fh, SV callback=&PL_sv_undef)	879	aio_fsync (SV fh, SV callback=&PL_sv_undef)
880	PROTOTYPE: $;$
881	ALIAS:	880	ALIAS:
882	aio_fsync = EIO_FSYNC	881	aio_fsync = EIO_FSYNC
883	aio_fdatasync = EIO_FDATASYNC	882	aio_fdatasync = EIO_FDATASYNC
884	PPCODE:	883	PPCODE:
885	{	884	{
…		…
893	REQ_SEND (req);	892	REQ_SEND (req);
894	}	893	}
895		894
896	void	895	void
897	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	896	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
898	PROTOTYPE: $$$$;$
899	PPCODE:	897	PPCODE:
900	{	898	{
901	int fd = s_fileno_croak (fh, 0);	899	int fd = s_fileno_croak (fh, 0);
902	dREQ;	900	dREQ;
903		901
…		…
911	REQ_SEND (req);	909	REQ_SEND (req);
912	}	910	}
913		911
914	void	912	void
915	aio_close (SV fh, SV callback=&PL_sv_undef)	913	aio_close (SV fh, SV callback=&PL_sv_undef)
916	PROTOTYPE: $;$
917	PPCODE:	914	PPCODE:
918	{	915	{
919	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	916	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920	int fd = s_fileno_croak (fh, 0);	917	int fd = s_fileno_croak (fh, 0);
921	dREQ;	918	dREQ;
…		…
943	void	940	void
944	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	941	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
945	ALIAS:	942	ALIAS:
946	aio_read = EIO_READ	943	aio_read = EIO_READ
947	aio_write = EIO_WRITE	944	aio_write = EIO_WRITE
948	PROTOTYPE: $$$$$;$
949	PPCODE:	945	PPCODE:
950	{	946	{
951	STRLEN svlen;	947	STRLEN svlen;
952	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	948	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953	char *svptr = SvPVbyte (data, svlen);	949	char *svptr = SvPVbyte (data, svlen);
…		…
994	}	990	}
995	}	991	}
996		992
997	void	993	void
998	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	994	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
999	PROTOTYPE: $$;$
1000	PPCODE:	995	PPCODE:
1001	{	996	{
1002	SV *data;	997	SV *data;
1003	dREQ;	998	dREQ;
1004		999
…		…
1009	REQ_SEND;	1004	REQ_SEND;
1010	}	1005	}
1011		1006
1012	void	1007	void
1013	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1008	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1014	PROTOTYPE: $$$$;$
1015	PPCODE:	1009	PPCODE:
1016	{	1010	{
1017	int ifd = s_fileno_croak (in_fh , 0);	1011	int ifd = s_fileno_croak (in_fh , 0);
1018	int ofd = s_fileno_croak (out_fh, 1);	1012	int ofd = s_fileno_croak (out_fh, 1);
1019	dREQ;	1013	dREQ;
…		…
1029	REQ_SEND;	1023	REQ_SEND;
1030	}	1024	}
1031		1025
1032	void	1026	void
1033	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1027	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
1034	PROTOTYPE: $$$;$
1035	PPCODE:	1028	PPCODE:
1036	{	1029	{
1037	int fd = s_fileno_croak (fh, 0);	1030	int fd = s_fileno_croak (fh, 0);
1038	dREQ;	1031	dREQ;
1039		1032
…		…
1240	void	1233	void
1241	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1234	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1242	ALIAS:	1235	ALIAS:
1243	aio_mtouch = EIO_MTOUCH	1236	aio_mtouch = EIO_MTOUCH
1244	aio_msync = EIO_MSYNC	1237	aio_msync = EIO_MSYNC
1245	PROTOTYPE: $$$$;$
1246	PPCODE:	1238	PPCODE:
1247	{	1239	{
1248	STRLEN svlen;	1240	STRLEN svlen;
		1241	char *svptr = SvPVbyte (data, svlen);
1249	UV len = SvUV (length);	1242	UV len = SvUV (length);
1250	char *svptr = SvPVbyte (data, svlen);
1251		1243
1252	if (offset < 0)	1244	if (offset < 0)
1253	offset += svlen;	1245	offset += svlen;
1254		1246
1255	if (offset < 0 \|\| offset > svlen)	1247	if (offset < 0 \|\| offset > svlen)
…		…
1260		1252
1261	{	1253	{
1262	dREQ;	1254	dREQ;
1263		1255
1264	req->type = ix;	1256	req->type = ix;
1265	req->size = len;
1266	req->sv2 = SvREFCNT_inc (data);	1257	req->sv2 = SvREFCNT_inc (data);
1267	req->ptr2 = (char *)svptr + offset;	1258	req->ptr2 = (char *)svptr + offset;
		1259	req->size = len;
1268	req->int1 = flags;	1260	req->int1 = flags;
1269		1261
1270	REQ_SEND;	1262	REQ_SEND;
1271	}	1263	}
1272	}	1264	}
1273		1265
1274	void	1266	void
		1267	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1268	PPCODE:
		1269	{
		1270	STRLEN svlen;
		1271	char *svptr = SvPVbyte (data, svlen);
		1272	UV len = SvUV (length);
		1273
		1274	if (offset < 0)
		1275	offset += svlen;
		1276
		1277	if (offset < 0 \|\| offset > svlen)
		1278	croak ("offset outside of scalar");
		1279
		1280	if (!SvOK (length) \|\| len + offset > svlen)
		1281	len = svlen - offset;
		1282
		1283	{
		1284	dREQ;
		1285
		1286	req->type = EIO_MLOCK;
		1287	req->sv2 = SvREFCNT_inc (data);
		1288	req->ptr2 = (char *)svptr + offset;
		1289	req->size = len;
		1290
		1291	REQ_SEND;
		1292	}
		1293	}
		1294
		1295	void
		1296	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1297	PPCODE:
		1298	{
		1299	dREQ;
		1300
		1301	req->type = EIO_MLOCKALL;
		1302	req->int1 = flags;
		1303
		1304	REQ_SEND;
		1305	}
		1306
		1307	void
1275	aio_busy (double delay, SV *callback=&PL_sv_undef)	1308	aio_busy (double delay, SV *callback=&PL_sv_undef)
1276	PPCODE:	1309	PPCODE:
1277	{	1310	{
1278	dREQ;	1311	dREQ;
1279		1312
…		…
1283	REQ_SEND;	1316	REQ_SEND;
1284	}	1317	}
1285		1318
1286	void	1319	void
1287	aio_group (SV *callback=&PL_sv_undef)	1320	aio_group (SV *callback=&PL_sv_undef)
1288	PROTOTYPE: ;$
1289	PPCODE:	1321	PPCODE:
1290	{	1322	{
1291	dREQ;	1323	dREQ;
1292		1324
1293	req->type = EIO_GROUP;	1325	req->type = EIO_GROUP;
…		…
1310	REQ_SEND;	1342	REQ_SEND;
1311	}	1343	}
1312		1344
1313	int	1345	int
1314	aioreq_pri (int pri = 0)	1346	aioreq_pri (int pri = 0)
1315	PROTOTYPE: ;$
1316	CODE:	1347	CODE:
1317	RETVAL = next_pri;	1348	RETVAL = next_pri;
1318	if (items > 0)	1349	if (items > 0)
1319	{	1350	{
1320	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1351	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1332	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1363	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333	next_pri = nice;	1364	next_pri = nice;
1334		1365
1335	void	1366	void
1336	flush ()	1367	flush ()
1337	PROTOTYPE:
1338	CODE:	1368	CODE:
1339	while (eio_nreqs ())	1369	while (eio_nreqs ())
1340	{	1370	{
1341	poll_wait ();	1371	poll_wait ();
1342	poll_cb ();	1372	poll_cb ();
1343	}	1373	}
1344		1374
1345	int	1375	int
1346	poll()	1376	poll ()
1347	PROTOTYPE:
1348	CODE:	1377	CODE:
1349	poll_wait ();	1378	poll_wait ();
1350	RETVAL = poll_cb ();	1379	RETVAL = poll_cb ();
1351	OUTPUT:	1380	OUTPUT:
1352	RETVAL	1381	RETVAL
1353		1382
1354	int	1383	int
1355	poll_fileno()	1384	poll_fileno ()
1356	PROTOTYPE:
1357	CODE:	1385	CODE:
1358	RETVAL = s_epipe_fd (&respipe);	1386	RETVAL = s_epipe_fd (&respipe);
1359	OUTPUT:	1387	OUTPUT:
1360	RETVAL	1388	RETVAL
1361		1389
1362	int	1390	int
1363	poll_cb(...)	1391	poll_cb (...)
1364	PROTOTYPE:	1392	PROTOTYPE:
1365	CODE:	1393	CODE:
1366	RETVAL = poll_cb ();	1394	RETVAL = poll_cb ();
1367	OUTPUT:	1395	OUTPUT:
1368	RETVAL	1396	RETVAL
1369		1397
1370	void	1398	void
1371	poll_wait()	1399	poll_wait ()
1372	PROTOTYPE:
1373	CODE:	1400	CODE:
1374	poll_wait ();	1401	poll_wait ();
1375		1402
1376	int	1403	int
1377	nreqs()	1404	nreqs ()
1378	PROTOTYPE:
1379	CODE:	1405	CODE:
1380	RETVAL = eio_nreqs ();	1406	RETVAL = eio_nreqs ();
1381	OUTPUT:	1407	OUTPUT:
1382	RETVAL	1408	RETVAL
1383		1409
1384	int	1410	int
1385	nready()	1411	nready ()
1386	PROTOTYPE:
1387	CODE:	1412	CODE:
1388	RETVAL = eio_nready ();	1413	RETVAL = eio_nready ();
1389	OUTPUT:	1414	OUTPUT:
1390	RETVAL	1415	RETVAL
1391		1416
1392	int	1417	int
1393	npending()	1418	npending ()
1394	PROTOTYPE:
1395	CODE:	1419	CODE:
1396	RETVAL = eio_npending ();	1420	RETVAL = eio_npending ();
1397	OUTPUT:	1421	OUTPUT:
1398	RETVAL	1422	RETVAL
1399		1423
1400	int	1424	int
1401	nthreads()	1425	nthreads ()
1402	PROTOTYPE:
1403	CODE:	1426	CODE:
1404	RETVAL = eio_nthreads ();	1427	RETVAL = eio_nthreads ();
1405	OUTPUT:	1428	OUTPUT:
1406	RETVAL	1429	RETVAL
1407		1430
1408	int	1431	int
1409	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1432	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410	PROTOTYPE: $$$$
1411	CODE:	1433	CODE:
1412	RETVAL = posix_fadvise (fh, offset, length, advice);	1434	RETVAL = posix_fadvise (fh, offset, length, advice);
1413	OUTPUT:	1435	OUTPUT:
1414	RETVAL	1436	RETVAL
1415		1437
1416	ssize_t	1438	ssize_t
1417	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1439	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418	PROTOTYPE: $$$$
1419	CODE:	1440	CODE:
1420	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1441	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421	OUTPUT:	1442	OUTPUT:
1422	RETVAL	1443	RETVAL
1423		1444
1424	void	1445	void
1425	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1446	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
1426	PROTOTYPE: $$$$$;$
1427	PPCODE:	1447	PPCODE:
1428	sv_unmagic (scalar, MMAP_MAGIC);	1448	sv_unmagic (scalar, MMAP_MAGIC);
1429	{	1449	{
1430	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1450	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1451	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1454	XSRETURN_YES;	1474	XSRETURN_YES;
1455	}	1475	}
1456		1476
1457	void	1477	void
1458	munmap (SV *scalar)	1478	munmap (SV *scalar)
1459	PROTOTYPE: $
1460	CODE:	1479	CODE:
1461	sv_unmagic (scalar, MMAP_MAGIC);	1480	sv_unmagic (scalar, MMAP_MAGIC);
1462		1481
1463	int	1482	int
1464	madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)	1483	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1465	ALIAS:	1484	ALIAS:
1466	mprotect = 1	1485	mprotect = 1
1467	PROTOTYPE: $$$$
1468	CODE:	1486	CODE:
1469	{	1487	{
1470	STRLEN cur;	1488	STRLEN svlen;
1471	char *addr = SvPVbyte (scalar, cur);	1489	void *addr = SvPVbyte (scalar, svlen);
		1490	size_t len = SvUV (length);
1472		1491
1473	if (offset > cur)	1492	if (offset < 0)
1474	RETVAL = errno = EFAULT;	1493	offset += svlen;
1475	else	1494
		1495	if (offset < 0 \|\| offset > svlen)
		1496	croak ("offset outside of scalar");
		1497
		1498	if (!SvOK (length) \|\| len + offset > svlen)
		1499	len = svlen - offset;
		1500
		1501	addr = (void *)(((intptr_t)addr) + offset);
		1502	eio_page_align (&addr, &len);
		1503
		1504	switch (ix)
1476	{	1505	{
1477	if (!SvOK (ST (2)))
1478	length = cur - offset;
1479
1480	if (offset + length > cur)
1481	RETVAL = errno = EFAULT;
1482	else
1483	switch (ix)
1484	{
1485	case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break;	1506	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486	case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;	1507	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487	}
1488	}	1508	}
1489	}	1509	}
1490	OUTPUT:	1510	OUTPUT:
1491	RETVAL	1511	RETVAL
1492		1512
1493	int	1513	int
1494	mlockall (int flags)	1514	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
1495	PROTOTYPE: $
1496	CODE:	1515	CODE:
		1516	{
		1517	STRLEN svlen;
		1518	void *addr = SvPVbyte (scalar, svlen);
		1519	size_t len = SvUV (length);
		1520
		1521	if (offset < 0)
		1522	offset += svlen;
		1523
		1524	if (offset < 0 \|\| offset > svlen)
		1525	croak ("offset outside of scalar");
		1526
		1527	if (!SvOK (length) \|\| len + offset > svlen)
		1528	len = svlen - offset;
		1529
		1530	addr = (void *)(((intptr_t)addr) + offset);
		1531	eio_page_align (&addr, &len);
1497	#if _POSIX_MEMLOCK	1532	#if _POSIX_MEMLOCK_RANGE
1498	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1533	RETVAL = munlock (addr, len);
1499	extern int mallopt (int, int);
1500	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501	#endif
1502	mlockall (flags);
1503	#else	1534	#else
1504	RETVAL = -1;	1535	RETVAL = ((errno = ENOSYS), -1);
1505	errno = ENOSYS;
1506	#endif	1536	#endif
		1537	}
1507	OUTPUT:	1538	OUTPUT:
1508	RETVAL	1539	RETVAL
1509		1540
1510	int	1541	int
1511	munlockall ()	1542	munlockall ()
1512	PROTOTYPE:
1513	CODE:	1543	CODE:
1514	#if _POSIX_MEMLOCK	1544	#if _POSIX_MEMLOCK
1515	munlockall ();	1545	munlockall ();
1516	#else	1546	#else
1517	RETVAL = -1;	1547	RETVAL = -1;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.171 by root, Wed Aug 4 17:16:19 2010 UTC vs. Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 2010 UTC vs.
Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC