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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.208 by root, Sat Jan 7 18:42:43 2012 UTC vs.
Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
22	#endif	31	#endif
23		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
…		…
77		86
78	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
79		88
80	#endif	89	#endif
81		90
82	/* use NV for 32 bit perls as it allows larger offsets */
83	#if IVSIZE >= 8
84	# define VAL64 IV
85	# define SvVAL64 SvIV
86	# define newSVval64 newSViv
87	#else
88	# define VAL64 NV
89	# define SvVAL64 SvNV
90	# define newSVval64 newSVnv
91	#endif
92
93	/*****************************************************************************/	91	/*****************************************************************************/
94		92
95	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
96	# define expect(expr,value) __builtin_expect ((expr),(value))	94	# define expect(expr,value) __builtin_expect ((expr),(value))
97	#else	95	#else
…		…
126	static void req_destroy (eio_req *grp);	124	static void req_destroy (eio_req *grp);
127	#define EIO_DESTROY(req) req_destroy (req)	125	#define EIO_DESTROY(req) req_destroy (req)
128		126
129	#include "libeio/eio.c"	127	#include "libeio/eio.c"
130		128
131	/* Linux/others */
132	#ifndef O_ASYNC
133	# define O_ASYNC 0
134	#endif
135	#ifndef O_DIRECT
136	# define O_DIRECT 0
137	#endif
138	#ifndef O_NOATIME
139	# define O_NOATIME 0
140	#endif
141
142	/* POSIX */
143	#ifndef O_CLOEXEC
144	# define O_CLOEXEC 0
145	#endif
146	#ifndef O_NOFOLLOW
147	# define O_NOFOLLOW 0
148	#endif
149	#ifndef O_NOCTTY
150	# define O_NOCTTY 0
151	#endif
152	#ifndef O_NONBLOCK
153	# define O_NONBLOCK 0
154	#endif
155	#ifndef O_EXEC
156	# define O_EXEC 0
157	#endif
158	#ifndef O_SEARCH
159	# define O_SEARCH 0
160	#endif
161	#ifndef O_DIRECTORY
162	# define O_DIRECTORY 0
163	#endif
164	#ifndef O_DSYNC
165	# define O_DSYNC 0
166	#endif
167	#ifndef O_RSYNC
168	# define O_RSYNC 0
169	#endif
170	#ifndef O_SYNC
171	# define O_SYNC 0
172	#endif
173	#ifndef O_TTY_INIT
174	# define O_TTY_INIT 0
175	#endif
176
177	#ifndef POSIX_FADV_NORMAL
178	# define POSIX_FADV_NORMAL 0
179	#endif
180	#ifndef POSIX_FADV_SEQUENTIAL
181	# define POSIX_FADV_SEQUENTIAL 0
182	#endif
183	#ifndef POSIX_FADV_RANDOM
184	# define POSIX_FADV_RANDOM 0
185	#endif
186	#ifndef POSIX_FADV_NOREUSE
187	# define POSIX_FADV_NOREUSE 0
188	#endif
189	#ifndef POSIX_FADV_WILLNEED
190	# define POSIX_FADV_WILLNEED 0
191	#endif
192	#ifndef POSIX_FADV_DONTNEED
193	# define POSIX_FADV_DONTNEED 0
194	#endif
195
196	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
198	#endif	131	#endif
199		132
200	#ifndef POSIX_MADV_NORMAL
201	# define POSIX_MADV_NORMAL 0
202	#endif
203	#ifndef POSIX_MADV_SEQUENTIAL
204	# define POSIX_MADV_SEQUENTIAL 0
205	#endif
206	#ifndef POSIX_MADV_RANDOM
207	# define POSIX_MADV_RANDOM 0
208	#endif
209	#ifndef POSIX_MADV_WILLNEED
210	# define POSIX_MADV_WILLNEED 0
211	#endif
212	#ifndef POSIX_MADV_DONTNEED
213	# define POSIX_MADV_DONTNEED 0
214	#endif
215
216	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
217	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
218	#endif
219
220	#ifndef PROT_NONE
221	# define PROT_NONE 0
222	#endif
223	#ifndef PROT_READ
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_WRITE
227	# define PROT_READ 0
228	#endif
229	#ifndef PROT_EXEC
230	# define PROT_EXEC 0
231	#endif
232
233	#ifndef ST_RDONLY
234	# define ST_RDONLY 0
235	#endif
236	#ifndef ST_NOSUID
237	# define ST_NOSUID 0
238	#endif
239	#ifndef ST_NODEV
240	# define ST_NODEV 0
241	#endif
242	#ifndef ST_NOEXEC
243	# define ST_NOEXEC 0
244	#endif
245	#ifndef ST_SYNCHRONOUS
246	# define ST_SYNCHRONOUS 0
247	#endif
248	#ifndef ST_MANDLOCK
249	# define ST_MANDLOCK 0
250	#endif
251	#ifndef ST_WRITE
252	# define ST_WRITE 0
253	#endif
254	#ifndef ST_APPEND
255	# define ST_APPEND 0
256	#endif
257	#ifndef ST_IMMUTABLE
258	# define ST_IMMUTABLE 0
259	#endif
260	#ifndef ST_NOATIME
261	# define ST_NOATIME 0
262	#endif
263	#ifndef ST_NODIRATIME
264	# define ST_NODIRATIME 0
265	#endif
266	#ifndef ST_RELATIME
267	# define ST_RELATIME 0
268	#endif
269
270	#ifndef S_IFIFO
271	# define S_IFIFO 0
272	#endif
273	#ifndef S_IFCHR
274	# define S_IFCHR 0
275	#endif
276	#ifndef S_IFBLK
277	# define S_IFBLK 0
278	#endif
279	#ifndef S_IFLNK
280	# define S_IFLNK 0
281	#endif
282	#ifndef S_IFREG
283	# define S_IFREG 0
284	#endif
285	#ifndef S_IFDIR
286	# define S_IFDIR 0
287	#endif
288	#ifndef S_IFWHT
289	# define S_IFWHT 0
290	#endif
291	#ifndef S_IFSOCK
292	# define S_IFSOCK 0
293	#endif	135	#endif
294		136
295	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
296	# ifdef MAP_ANON	138	# ifdef MAP_ANON
297	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
298	# else	140	# else
299	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
300	# endif	142	# endif
301	#endif	143	#endif
302	#ifndef MAP_HUGETLB	144
303	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
304	#endif	146	#include "def0.h"
305	#ifndef MAP_LOCKED
306	# define MAP_LOCKED 0
307	#endif
308	#ifndef MAP_NORESERVE
309	# define MAP_NORESERVE 0
310	#endif
311	#ifndef MAP_POPULATE
312	# define MAP_POPULATE 0
313	#endif
314	#ifndef MAP_NONBLOCK
315	# define MAP_NONBLOCK 0
316	#endif
317		147
318	#ifndef makedev	148	#ifndef makedev
319	# define makedev(maj,min) (((maj) << 8) \| (min))	149	# define makedev(maj,min) (((maj) << 8) \| (min))
320	#endif	150	#endif
321	#ifndef major	151	#ifndef major
…		…
326	#endif	156	#endif
327		157
328	#ifndef PAGESIZE	158	#ifndef PAGESIZE
329	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
330	#endif	160	#endif
		161
		162	/*****************************************************************************/
		163
		164	static void
		165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	/* assume some c99 */
		171	struct fiemap *fiemap = 0;
		172	size_t end_offset;
		173	int count = req->int3;
		174
		175	req->flags \|= EIO_FLAG_PTR1_FREE;
		176
		177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		178	/* increase in 3.5kb steps */
		179	if (count < 0)
		180	count = 8;
		181
		182	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		183	errno = ENOMEM;
		184	if (!fiemap)
		185	return;
		186
		187	req->ptr1 = fiemap;
		188
		189	fiemap->fm_start = req->offs;
		190	fiemap->fm_length = req->size;
		191	fiemap->fm_flags = req->int2;
		192	fiemap->fm_extent_count = count;
		193
		194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		195	return;
		196
		197	if (req->int3 >= 0 /* not autosizing */
		198	\|\| !fiemap->fm_mapped_extents /* no more extents */
		199	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		200	goto done;
		201
		202	/* else we have to loop -
		203	* it would be tempting (atcually I tried that first) to just query the
		204	* number of extents needed, but linux often feels like not returning all
		205	* extents, without telling us it left any out. this complicates
		206	* this quite a bit.
		207	*/
		208
		209	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		210
		211	for (;;)
		212	{
		213	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		214	char scratch[3072];
		215	struct fiemap incmap = (struct fiemap )scratch;
		216
		217	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		218	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		219	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		220	incmap->fm_flags = fiemap->fm_flags;
		221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		222
		223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap))
		224	return;
		225
		226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		227	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		228	errno = ENOMEM;
		229	if (!fiemap)
		230	return;
		231
		232	req->ptr1 = fiemap;
		233
		234	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		235	{
		236	struct fiemap_extent *e = incmap->fm_extents + count;
		237
		238	if (e->fe_logical + e->fe_length >= end_offset)
		239	goto done;
		240
		241	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		242
		243	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		244	goto done;
		245
		246	}
		247	}
		248
		249	done:
		250	req->result = 0;
		251
		252	#else
		253	errno = ENOSYS;
		254	#endif
		255	}
		256
		257	/*****************************************************************************/
331		258
332	enum {	259	enum {
333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	260	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
334	};	261	};
335		262
…		…
638	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	565	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
639		566
640	PUSHs (sv_result);	567	PUSHs (sv_result);
641	break;	568	break;
642		569
		570	case EIO_SEEK:
		571	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
		572	break;
		573
643	case EIO_READ:	574	case EIO_READ:
644	{	575	{
645	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	576	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
646	*SvEND (req->sv2) = 0;	577	*SvEND (req->sv2) = 0;
647	SvPOK_only (req->sv2);	578	SvPOK_only (req->sv2);
648	SvSETMAGIC (req->sv2);	579	SvSETMAGIC (req->sv2);
649	PUSHs (sv_result);	580	PUSHs (sv_result);
650	}	581	}
651	break;	582	break;
652		583
		584	case EIO_CUSTOM:
		585	if (req->feed == fiemap)
		586	{
		587	#if HAVE_FIEMAP
		588	if (!req->result)
		589	{
		590	struct fiemap fiemap = (struct fiemap )req->ptr1;
		591
		592	if (fiemap->fm_extent_count)
		593	{
		594	AV *av = newAV ();
		595	int i;
		596
		597	while (fiemap->fm_mapped_extents)
		598	{
		599	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		600	AV *ext_av = newAV ();
		601
		602	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		603	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		604	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		605	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		606
		607	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		608	}
		609
		610	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		611	}
		612	else
		613	{
		614	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		615	PUSHs (sv_result);
		616	}
		617	}
		618	#endif
		619	}
		620	else
		621	PUSHs (sv_result);
		622	break;
		623
653	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	624	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
654	if (req->result > 0)	625	if (req->result > 0)
655	SvIV_set (sv_result, 0);	626	SvIV_set (sv_result, 0);
656	/* FALLTHROUGH */	627	/* FALLTHROUGH */
657		628
…		…
764	}	735	}
765		736
766	/*****************************************************************************/	737	/*****************************************************************************/
767		738
768	#if !_POSIX_MAPPED_FILES	739	#if !_POSIX_MAPPED_FILES
769	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	740	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
770	# define munmap(addr,length) (errno = ENOSYS, -1)	741	# define munmap(addr,length) EIO_ENOSYS ()
771	#endif	742	#endif
772		743
773	#if !_POSIX_MEMORY_PROTECTION	744	#if !_POSIX_MEMORY_PROTECTION
774	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	745	# define mprotect(addr,len,prot) EIO_ENOSYS ()
775	# define PROT_NONE 0	746	# define PROT_NONE 0
776	# define PROT_WRITE 0	747	# define PROT_WRITE 0
777	# define MAP_PRIVATE 0	748	# define MAP_PRIVATE 0
778	# define MAP_SHARED 0	749	# define MAP_SHARED 0
779	# define MAP_FIXED 0	750	# define MAP_FIXED 0
…		…
923	IV iv;	894	IV iv;
924	} *civ, const_iv[] = {	895	} *civ, const_iv[] = {
925	# define const_niv(name, value) { # name, (IV) value },	896	# define const_niv(name, value) { # name, (IV) value },
926	# define const_iv(name) { # name, (IV) name },	897	# define const_iv(name) { # name, (IV) name },
927	# define const_eio(name) { # name, (IV) EIO_ ## name },	898	# define const_eio(name) { # name, (IV) EIO_ ## name },
		899
		900	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		901
		902	const_iv (ENOSYS)
928	const_iv (EXDEV)	903	const_iv (EXDEV)
929	const_iv (ENOSYS)	904	const_iv (EBADR)
		905
930	const_iv (O_RDONLY)	906	const_iv (O_RDONLY)
931	const_iv (O_WRONLY)	907	const_iv (O_WRONLY)
932	const_iv (O_RDWR)	908	const_iv (O_RDWR)
933	const_iv (O_CREAT)	909	const_iv (O_CREAT)
934	const_iv (O_TRUNC)	910	const_iv (O_TRUNC)
…		…
1002	const_iv (MAP_LOCKED)	978	const_iv (MAP_LOCKED)
1003	const_iv (MAP_NORESERVE)	979	const_iv (MAP_NORESERVE)
1004	const_iv (MAP_POPULATE)	980	const_iv (MAP_POPULATE)
1005	const_iv (MAP_NONBLOCK)	981	const_iv (MAP_NONBLOCK)
1006		982
		983	const_iv (FIEMAP_FLAG_SYNC)
		984	const_iv (FIEMAP_FLAG_XATTR)
		985	const_iv (FIEMAP_FLAGS_COMPAT)
		986	const_iv (FIEMAP_EXTENT_LAST)
		987	const_iv (FIEMAP_EXTENT_UNKNOWN)
		988	const_iv (FIEMAP_EXTENT_DELALLOC)
		989	const_iv (FIEMAP_EXTENT_ENCODED)
		990	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		991	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		992	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		993	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		994	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		995	const_iv (FIEMAP_EXTENT_MERGED)
		996	const_iv (FIEMAP_EXTENT_SHARED)
		997
		998	const_iv (SPLICE_F_MOVE)
		999	const_iv (SPLICE_F_NONBLOCK)
		1000	const_iv (SPLICE_F_MORE)
		1001	const_iv (SPLICE_F_GIFT)
		1002
		1003	const_iv (SEEK_DATA)
		1004	const_iv (SEEK_HOLE)
		1005
		1006	/* libeio constants */
		1007	const_eio (SEEK_SET)
		1008	const_eio (SEEK_CUR)
		1009	const_eio (SEEK_END)
		1010
1007	const_eio (MCL_FUTURE)	1011	const_eio (MCL_FUTURE)
1008	const_eio (MCL_CURRENT)	1012	const_eio (MCL_CURRENT)
1009		1013
1010	const_eio (MS_ASYNC)	1014	const_eio (MS_ASYNC)
1011	const_eio (MS_INVALIDATE)	1015	const_eio (MS_INVALIDATE)
…		…
1016	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1020	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1017	const_eio (SYNC_FILE_RANGE_WRITE)	1021	const_eio (SYNC_FILE_RANGE_WRITE)
1018	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1022	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1019		1023
1020	const_eio (FALLOC_FL_KEEP_SIZE)	1024	const_eio (FALLOC_FL_KEEP_SIZE)
		1025	const_eio (FALLOC_FL_PUNCH_HOLE)
1021		1026
1022	const_eio (READDIR_DENTS)	1027	const_eio (READDIR_DENTS)
1023	const_eio (READDIR_DIRS_FIRST)	1028	const_eio (READDIR_DIRS_FIRST)
1024	const_eio (READDIR_STAT_ORDER)	1029	const_eio (READDIR_STAT_ORDER)
1025	const_eio (READDIR_FOUND_UNKNOWN)	1030	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1126	aio_fsync = EIO_FSYNC	1131	aio_fsync = EIO_FSYNC
1127	aio_fdatasync = EIO_FDATASYNC	1132	aio_fdatasync = EIO_FDATASYNC
1128	aio_syncfs = EIO_SYNCFS	1133	aio_syncfs = EIO_SYNCFS
1129	PPCODE:	1134	PPCODE:
1130	{	1135	{
1131	int fd = s_fileno_croak (fh, 0);	1136	int fd = s_fileno_croak (fh, 0);
1132	dREQ;	1137	dREQ;
1133		1138
1134	req->type = ix;	1139	req->type = ix;
1135	req->sv1 = newSVsv (fh);	1140	req->sv1 = newSVsv (fh);
1136	req->int1 = fd;	1141	req->int1 = fd;
1137		1142
1138	REQ_SEND (req);	1143	REQ_SEND;
1139	}	1144	}
1140		1145
1141	void	1146	void
1142	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1147	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1143	PPCODE:	1148	PPCODE:
1144	{	1149	{
1145	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
1146	dREQ;	1151	dREQ;
1147		1152
1148	req->type = EIO_SYNC_FILE_RANGE;	1153	req->type = EIO_SYNC_FILE_RANGE;
1149	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
1150	req->int1 = fd;	1155	req->int1 = fd;
1151	req->offs = offset;	1156	req->offs = offset;
1152	req->size = nbytes;	1157	req->size = nbytes;
1153	req->int2 = flags;	1158	req->int2 = flags;
1154		1159
1155	REQ_SEND (req);	1160	REQ_SEND;
1156	}	1161	}
1157		1162
1158	void	1163	void
1159	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1164	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1160	PPCODE:	1165	PPCODE:
1161	{	1166	{
1162	int fd = s_fileno_croak (fh, 0);	1167	int fd = s_fileno_croak (fh, 0);
1163	dREQ;	1168	dREQ;
1164		1169
1165	req->type = EIO_FALLOCATE;	1170	req->type = EIO_FALLOCATE;
1166	req->sv1 = newSVsv (fh);	1171	req->sv1 = newSVsv (fh);
1167	req->int1 = fd;	1172	req->int1 = fd;
1168	req->int2 = mode;	1173	req->int2 = mode;
1169	req->offs = offset;	1174	req->offs = offset;
1170	req->size = len;	1175	req->size = len;
1171		1176
1172	REQ_SEND (req);	1177	REQ_SEND;
1173	}	1178	}
1174		1179
1175	void	1180	void
1176	aio_close (SV fh, SV callback=&PL_sv_undef)	1181	aio_close (SV fh, SV callback=&PL_sv_undef)
1177	PPCODE:	1182	PPCODE:
1178	{	1183	{
1179	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1184	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1180	int fd = s_fileno_croak (fh, 0);	1185	int fd = s_fileno_croak (fh, 0);
1181	dREQ;	1186	dREQ;
1182		1187
1183	if (expect_false (close_fd < 0))	1188	if (expect_false (close_fd < 0))
1184	{	1189	{
1185	int pipefd [2];	1190	int pipefd [2];
…		…
1201	req->type = EIO_DUP2;	1206	req->type = EIO_DUP2;
1202	req->int1 = close_fd;	1207	req->int1 = close_fd;
1203	req->sv2 = newSVsv (fh);	1208	req->sv2 = newSVsv (fh);
1204	req->int2 = fd;	1209	req->int2 = fd;
1205		1210
1206	REQ_SEND (req);	1211	REQ_SEND;
		1212	}
		1213
		1214	void
		1215	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1216	PPCODE:
		1217	{
		1218	int fd = s_fileno_croak (fh, 0);
		1219	dREQ;
		1220
		1221	req->type = EIO_SEEK;
		1222	req->sv1 = newSVsv (fh);
		1223	req->int1 = fd;
		1224	req->offs = SvVAL64 (offset);
		1225	req->int2 = whence;
		1226
		1227	REQ_SEND;
1207	}	1228	}
1208		1229
1209	void	1230	void
1210	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1231	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1211	ALIAS:	1232	ALIAS:
…		…
1232	}	1253	}
1233	else	1254	else
1234	{	1255	{
1235	/* read: check type and grow scalar as necessary */	1256	/* read: check type and grow scalar as necessary */
1236	SvUPGRADE (data, SVt_PV);	1257	SvUPGRADE (data, SVt_PV);
		1258	if (SvLEN (data) >= SvCUR (data))
1237	svptr = SvGROW (data, len + dataoffset + 1);	1259	svptr = SvGROW (data, len + dataoffset + 1);
		1260	else if (SvCUR (data) < len + dataoffset)
		1261	croak ("length + dataoffset outside of scalar, and cannot grow");
1238	}	1262	}
1239		1263
1240	{	1264	{
1241	dREQ;	1265	dREQ;
1242		1266
…		…
1276		1300
1277	void	1301	void
1278	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1302	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1279	PPCODE:	1303	PPCODE:
1280	{	1304	{
1281	int ifd = s_fileno_croak (in_fh , 0);	1305	int ifd = s_fileno_croak (in_fh , 0);
1282	int ofd = s_fileno_croak (out_fh, 1);	1306	int ofd = s_fileno_croak (out_fh, 1);
1283	dREQ;	1307	dREQ;
1284		1308
1285	req->type = EIO_SENDFILE;	1309	req->type = EIO_SENDFILE;
1286	req->sv1 = newSVsv (out_fh);	1310	req->sv1 = newSVsv (out_fh);
1287	req->int1 = ofd;	1311	req->int1 = ofd;
…		…
1295		1319
1296	void	1320	void
1297	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1321	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
1298	PPCODE:	1322	PPCODE:
1299	{	1323	{
1300	int fd = s_fileno_croak (fh, 0);	1324	int fd = s_fileno_croak (fh, 0);
1301	dREQ;	1325	dREQ;
1302		1326
1303	req->type = EIO_READAHEAD;	1327	req->type = EIO_READAHEAD;
1304	req->sv1 = newSVsv (fh);	1328	req->sv1 = newSVsv (fh);
1305	req->int1 = fd;	1329	req->int1 = fd;
…		…
1539		1563
1540	req->type = EIO_MLOCKALL;	1564	req->type = EIO_MLOCKALL;
1541	req->int1 = flags;	1565	req->int1 = flags;
1542		1566
1543	REQ_SEND;	1567	REQ_SEND;
		1568	}
		1569
		1570	void
		1571	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1572	PPCODE:
		1573	{
		1574	int fd = s_fileno_croak (fh, 0);
		1575	dREQ;
		1576
		1577	req->type = EIO_CUSTOM;
		1578	req->sv1 = newSVsv (fh);
		1579	req->int1 = fd;
		1580
		1581	req->feed = fiemap;
		1582	#if HAVE_FIEMAP
		1583	/* keep our fingers crossed that the next two types are 64 bit */
		1584	req->offs = start;
		1585	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1586	req->int2 = flags;
		1587	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1588	#endif
		1589
		1590	REQ_SEND;
1544	}	1591	}
1545		1592
1546	void	1593	void
1547	aio_busy (double delay, SV *callback=&PL_sv_undef)	1594	aio_busy (double delay, SV *callback=&PL_sv_undef)
1548	PPCODE:	1595	PPCODE:
…		…
1680	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1727	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1681	OUTPUT:	1728	OUTPUT:
1682	RETVAL	1729	RETVAL
1683		1730
1684	void	1731	void
1685	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1732	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1686	PPCODE:	1733	PPCODE:
1687	sv_unmagic (scalar, MMAP_MAGIC);	1734	sv_unmagic (scalar, MMAP_MAGIC);
1688	{	1735	{
1689	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1736	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1690	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1737	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1723	ALIAS:	1770	ALIAS:
1724	mprotect = 1	1771	mprotect = 1
1725	CODE:	1772	CODE:
1726	{	1773	{
1727	STRLEN svlen;	1774	STRLEN svlen;
1728	void *addr = SvPVbyte (scalar, svlen);	1775	void *addr = SvPVbyte (scalar, svlen);
1729	size_t len = SvUV (length);	1776	size_t len = SvUV (length);
1730		1777
1731	if (offset < 0)	1778	if (offset < 0)
1732	offset += svlen;	1779	offset += svlen;
1733		1780
…		…
1752	int	1799	int
1753	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	1800	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
1754	CODE:	1801	CODE:
1755	{	1802	{
1756	STRLEN svlen;	1803	STRLEN svlen;
1757	void *addr = SvPVbyte (scalar, svlen);	1804	void *addr = SvPVbyte (scalar, svlen);
1758	size_t len = SvUV (length);	1805	size_t len = SvUV (length);
1759		1806
1760	if (offset < 0)	1807	if (offset < 0)
1761	offset += svlen;	1808	offset += svlen;
1762		1809
…		…
1769	addr = (void *)(((intptr_t)addr) + offset);	1816	addr = (void *)(((intptr_t)addr) + offset);
1770	eio_page_align (&addr, &len);	1817	eio_page_align (&addr, &len);
1771	#if _POSIX_MEMLOCK_RANGE	1818	#if _POSIX_MEMLOCK_RANGE
1772	RETVAL = munlock (addr, len);	1819	RETVAL = munlock (addr, len);
1773	#else	1820	#else
1774	RETVAL = ((errno = ENOSYS), -1);	1821	RETVAL = EIO_ENOSYS ();
1775	#endif	1822	#endif
1776	}	1823	}
1777	OUTPUT:	1824	OUTPUT:
1778	RETVAL	1825	RETVAL
1779		1826
…		…
1781	munlockall ()	1828	munlockall ()
1782	CODE:	1829	CODE:
1783	#if _POSIX_MEMLOCK	1830	#if _POSIX_MEMLOCK
1784	munlockall ();	1831	munlockall ();
1785	#else	1832	#else
1786	RETVAL = -1;	1833	RETVAL = EIO_ENOSYS ();
1787	errno = ENOSYS;
1788	#endif	1834	#endif
1789	OUTPUT:	1835	OUTPUT:
		1836	RETVAL
		1837
		1838	int
		1839	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		1840	CODE:
		1841	{
		1842	#if HAVE_LINUX_SPLICE
		1843	loff_t off_in_, off_out_;
		1844	RETVAL = splice (
		1845	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1846	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1847	length, flags
		1848	);
		1849	#else
		1850	RETVAL = EIO_ENOSYS ();
		1851	#endif
		1852	}
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int
		1857	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1858	CODE:
		1859	#if HAVE_LINUX_SPLICE
		1860	RETVAL = tee (rfh, wfh, length, flags);
		1861	#else
		1862	RETVAL = EIO_ENOSYS ();
		1863	#endif
		1864	OUTPUT:
1790	RETVAL	1865	RETVAL
1791		1866
1792	void _on_next_submit (SV *cb)	1867	void _on_next_submit (SV *cb)
1793	CODE:	1868	CODE:
1794	SvREFCNT_dec (on_next_submit);	1869	SvREFCNT_dec (on_next_submit);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.208 by root, Sat Jan 7 18:42:43 2012 UTC vs. Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.208 by root, Sat Jan 7 18:42:43 2012 UTC vs.
Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC