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/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 1.211 by root, Sat Apr 7 00:50:33 2012 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>
		22	#endif
		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/fiemap.h>
		28	# define HAVE_FIEMAP 1
		29	# endif
23	#endif	30	#endif
24		31
25	/* perl namespace pollution */	32	/* perl namespace pollution */
26	#undef VERSION	33	#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		34
77	/* perl stupidly overrides readdir and maybe others */	35	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	36	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	37	#undef readdir
80	#undef opendir	38	#undef opendir
81	#undef closedir	39	#undef closedir
82		40
		41	#ifdef _WIN32
		42
		43	// perl overrides all those nice libc functions
		44
		45	#undef malloc
		46	#undef free
		47	#undef open
		48	#undef read
		49	#undef write
		50	#undef send
		51	#undef recv
		52	#undef stat
		53	#undef lstat
		54	#undef fstat
		55	#undef truncate
		56	#undef ftruncate
		57	#undef open
		58	#undef link
		59	#undef close
		60	#undef unlink
		61	#undef mkdir
		62	#undef rmdir
		63	#undef rename
		64	#undef lseek
		65	#undef opendir
		66	#undef readdir
		67	#undef closedir
		68	#undef chmod
		69	#undef fchmod
		70	#undef dup
		71	#undef dup2
		72	#undef abort
		73	#undef pipe
		74
		75	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	76	#define EIO_STRUCT_STATI64
84		77
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	78	#else
91	# define VAL64 NV	79
92	# define SvVAL64 SvNV	80	#include <sys/time.h>
93	# define newSVval64 newSVnv	81	#include <sys/select.h>
		82	#include <unistd.h>
		83	#include <utime.h>
		84	#include <signal.h>
		85
		86	#define EIO_STRUCT_STAT Stat_t
		87
94	#endif	88	#endif
95		89
96	/*****************************************************************************/	90	/*****************************************************************************/
97		91
98	#if __GNUC__ >= 3	92	#if __GNUC__ >= 3
…		…
108		102
109	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
112		106
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		108
115	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
116	SV *callback; \	110	SV *callback; \
117	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
118	STRLEN stroffset; \	113	STRLEN stroffset; \
119	SV *self;	114	SV *self;
120		115
121	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
122		117
		118	#include "libeio/config.h"
123	#include "libeio/eio.h"	119	#include "libeio/eio.h"
124		120
125	#ifndef POSIX_FADV_NORMAL	121	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	122	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	123	static void req_destroy (eio_req *grp);
128	#endif	124	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		125
145	#if _XOPEN_SOURCE < 600 || NO_FADVISE	126	#include "libeio/eio.c"
		127
		128	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	129	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	130	#endif
148		131
149	#ifndef POSIX_MADV_NORMAL	132	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	133	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef PROT_NONE
171	# define PROT_NONE 0
172	#endif
173	#ifndef PROT_READ
174	# define PROT_READ 0
175	#endif
176	#ifndef PROT_WRITE
177	# define PROT_READ 0
178	#endif
179	#ifndef PROT_EXEC
180	# define PROT_EXEC 0
181	#endif
182
183	#ifndef ST_NODEV
184	# define ST_NODEV 0
185	#endif
186	#ifndef ST_NOEXEC
187	# define ST_NOEXEC 0
188	#endif
189	#ifndef ST_SYNCHRONOUS
190	# define ST_SYNCHRONOUS 0
191	#endif
192	#ifndef ST_MANDLOCK
193	# define ST_MANDLOCK 0
194	#endif
195	#ifndef ST_WRITE
196	# define ST_WRITE 0
197	#endif
198	#ifndef ST_APPEND
199	# define ST_APPEND 0
200	#endif
201	#ifndef ST_IMMUTABLE
202	# define ST_IMMUTABLE 0
203	#endif
204	#ifndef ST_NOATIME
205	# define ST_NOATIME 0
206	#endif
207	#ifndef ST_NODIRATIME
208	# define ST_NODIRATIME 0
209	#endif
210	#ifndef ST_RELATIME
211	# 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	134	#endif
220		135
221	#ifndef MAP_ANONYMOUS	136	#ifndef MAP_ANONYMOUS
222	# ifdef MAP_ANON	137	# ifdef MAP_ANON
223	# define MAP_ANONYMOUS MAP_ANON	138	# define MAP_ANONYMOUS MAP_ANON
224	# else	139	# else
225	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
226	# endif	141	# endif
227	#endif	142	#endif
228	#ifndef MAP_HUGETLB	143
229	# define MAP_HUGETLB 0	144	/* defines all sorts of constants to 0 unless they are already defined */
		145	#include "def0.h"
		146
		147	#ifndef makedev
		148	# define makedev(maj,min) (((maj) << 8) | (min))
230	#endif	149	#endif
231	#ifndef MAP_LOCKED	150	#ifndef major
232	# define MAP_LOCKED 0	151	# define major(dev) ((dev) >> 8)
233	#endif	152	#endif
234	#ifndef MAP_NORESERVE	153	#ifndef minor
235	# define MAP_NORESERVE 0	154	# define minor(dev) ((dev) & 0xff)
236	#endif
237	#ifndef MAP_POPULATE
238	# define MAP_POPULATE 0
239	#endif
240	#ifndef MAP_NONBLOCK
241	# define MAP_NONBLOCK 0
242	#endif	155	#endif
243		156
244	#ifndef PAGESIZE	157	#ifndef PAGESIZE
245	# define PAGESIZE sysconf (_SC_PAGESIZE)	158	# define PAGESIZE sysconf (_SC_PAGESIZE)
246	#endif	159	#endif
247		160
248	static int req_invoke (eio_req *req);	161	/*****************************************************************************/
249	#define EIO_FINISH(req) req_invoke (req)	162
250	static void req_destroy (eio_req *grp);	163	static void
251	#define EIO_DESTROY(req) req_destroy (req)	164	fiemap (eio_req *req)
		165	{
		166	req->result = -1;
		167
		168	#if HAVE_FIEMAP
		169	int count = req->int3;
		170
		171	/* heuristic: first try with 64 extents if we don't know how many, */
		172	/* as most files have (hopefully) fewer than this many extents */
		173	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
		174	if (count < 0)
		175	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		176
		177	for (;;)
		178	{
		179	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		180	errno = ENOMEM;
		181	if (!fiemap)
		182	return;
		183
		184	req->ptr1 = fiemap;
		185	req->flags |= EIO_FLAG_PTR1_FREE;
		186
		187	fiemap->fm_start = req->offs;
		188	fiemap->fm_length = req->size;
		189	fiemap->fm_flags = req->int2;
		190	fiemap->fm_extent_count = count;
		191
		192	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		193	return;
		194
		195	if (req->int3 >= 0)
		196	break; /* when not autosizing we are done */
		197
		198	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		199	break; /* autosizing successful, we are done */
		200
		201	fiemap->fm_flags = req->int2;
		202	fiemap->fm_extent_count = 0;
		203
		204	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		205	return;
		206
		207	count = fiemap->fm_mapped_extents;
		208
		209	free (fiemap);
		210	}
		211
		212	req->result = 0;
		213
		214	#else
		215	errno = ENOSYS;
		216	#endif
		217	}
		218
		219	/*****************************************************************************/
252		220
253	enum {	221	enum {
254	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	222	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
255	};	223	};
256		224
257	#include "libeio/eio.c"
258
259	typedef eio_req *aio_req;	225	typedef eio_req *aio_req;
260	typedef eio_req *aio_req_ornot;	226	typedef eio_req *aio_req_ornot;
		227	typedef eio_wd aio_wd;
261		228
262	static SV *on_next_submit;	229	static SV *on_next_submit;
263	static int next_pri = EIO_PRI_DEFAULT;	230	static int next_pri = EIO_PRI_DEFAULT;
264	static int max_outstanding;	231	static int max_outstanding;
265		232
266	static s_epipe respipe;	233	static s_epipe respipe;
267		234
268	static void req_destroy (aio_req req);	235	static void req_destroy (aio_req req);
269	static void req_cancel (aio_req req);	236	static void req_cancel (aio_req req);
270		237
271	static void want_poll (void)	238	static void
		239	want_poll (void)
272	{	240	{
273	/* write a dummy byte to the pipe so fh becomes ready */	241	/* write a dummy byte to the pipe so fh becomes ready */
274	s_epipe_signal (&respipe);	242	s_epipe_signal (&respipe);
275	}	243	}
276		244
277	static void done_poll (void)	245	static void
		246	done_poll (void)
278	{	247	{
279	/* read any signals sent by the worker threads */	248	/* read any signals sent by the worker threads */
280	s_epipe_drain (&respipe);	249	s_epipe_drain (&respipe);
281	}	250	}
282		251
283	/* must be called at most once */	252	/* must be called at most once */
		253	static SV *
284	static SV *req_sv (aio_req req, HV *stash)	254	req_sv (aio_req req, HV *stash)
285	{	255	{
286	if (!req->self)	256	if (!req->self)
287	{	257	{
288	req->self = (SV *)newHV ();	258	req->self = (SV *)newHV ();
289	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	259	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
290	}	260	}
291		261
292	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	262	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
293	}	263	}
294		264
295	static aio_req SvAIO_REQ (SV *sv)	265	static SV *
		266	newSVaio_wd (aio_wd wd)
		267	{
		268	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		269	}
		270
		271	static aio_req
		272	SvAIO_REQ (SV *sv)
296	{	273	{
297	MAGIC *mg;	274	MAGIC *mg;
298		275
299	if (!SvROK (sv)	276	if (!SvROK (sv)
		277	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
300	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	278	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
301	&& SvSTASH (SvRV (sv)) != aio_req_stash	279	&& SvSTASH (SvRV (sv)) != aio_req_stash
302	&& !sv_derived_from (sv, "IO::AIO::REQ")))	280	&& !sv_derived_from (sv, "IO::AIO::REQ")))
303	croak ("object of class IO::AIO::REQ expected");	281	croak ("object of class IO::AIO::REQ expected");
304		282
305	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	283	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
306		284
307	return mg ? (aio_req)mg->mg_ptr : 0;	285	return mg ? (aio_req)mg->mg_ptr : 0;
308	}	286	}
309		287
		288	static aio_wd
		289	SvAIO_WD (SV *sv)
		290	{
		291	if (!SvROK (sv)
		292	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		293	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		294	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		295
		296	return (aio_wd)(long)SvIVX (SvRV (sv));
		297	}
		298
		299	static void
310	static void aio_grp_feed (aio_req grp)	300	aio_grp_feed (aio_req grp)
311	{	301	{
312	if (grp->sv2 && SvOK (grp->sv2))	302	if (grp->sv2 && SvOK (grp->sv2))
313	{	303	{
314	dSP;	304	dSP;
315		305
…		…
323	FREETMPS;	313	FREETMPS;
324	LEAVE;	314	LEAVE;
325	}	315	}
326	}	316	}
327		317
		318	static void
328	static void req_submit (eio_req *req)	319	req_submit (eio_req *req)
329	{	320	{
330	eio_submit (req);	321	eio_submit (req);
331		322
332	if (expect_false (on_next_submit))	323	if (expect_false (on_next_submit))
333	{	324	{
…		…
340	PUTBACK;	331	PUTBACK;
341	call_sv (cb, G_DISCARD | G_EVAL);	332	call_sv (cb, G_DISCARD | G_EVAL);
342	}	333	}
343	}	334	}
344		335
		336	static int
345	static int req_invoke (eio_req *req)	337	req_invoke (eio_req *req)
346	{	338	{
347	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
348	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
349		341
350	if (!EIO_CANCELLED (req) && req->callback)	342	if (!EIO_CANCELLED (req) && req->callback)
…		…
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);
371	}	364	}
372		365
373	switch (req->type)	366	switch (req->type)
374	{	367	{
		368	case EIO_WD_OPEN:
		369	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		370	break;
		371
375	case EIO_READDIR:	372	case EIO_READDIR:
376	{	373	{
377	SV *rv = &PL_sv_undef;	374	SV *rv = &PL_sv_undef;
378		375
379	if (req->result >= 0)	376	if (req->result >= 0)
…		…
467	case EIO_STATVFS:	464	case EIO_STATVFS:
468	case EIO_FSTATVFS:	465	case EIO_FSTATVFS:
469	{	466	{
470	SV *rv = &PL_sv_undef;	467	SV *rv = &PL_sv_undef;
471		468
		469	#ifndef _WIN32
472	if (req->result >= 0)	470	if (req->result >= 0)
473	{	471	{
474	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	472	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
475	HV *hv = newHV ();	473	HV *hv = newHV ();
476		474
…		…
486	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	484	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
487	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	485	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
488	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	486	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
489	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	487	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
490	}	488	}
		489	#endif
491		490
492	PUSHs (rv);	491	PUSHs (rv);
493	}	492	}
494		493
495	break;	494	break;
…		…
511	case EIO_NOP:	510	case EIO_NOP:
512	case EIO_BUSY:	511	case EIO_BUSY:
513	break;	512	break;
514		513
515	case EIO_READLINK:	514	case EIO_READLINK:
		515	case EIO_REALPATH:
516	if (req->result > 0)	516	if (req->result > 0)
517	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	517	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
518	break;	518	break;
519		519
520	case EIO_STAT:	520	case EIO_STAT:
521	case EIO_LSTAT:	521	case EIO_LSTAT:
522	case EIO_FSTAT:	522	case EIO_FSTAT:
523	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	523	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		524
524	PL_laststatval = req->result;	525	if (!(PL_laststatval = req->result))
		526	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
525	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	527	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		528
526	PUSHs (sv_result);	529	PUSHs (sv_result);
		530	break;
		531
		532	case EIO_SEEK:
		533	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
527	break;	534	break;
528		535
529	case EIO_READ:	536	case EIO_READ:
530	{	537	{
531	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	538	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
534	SvSETMAGIC (req->sv2);	541	SvSETMAGIC (req->sv2);
535	PUSHs (sv_result);	542	PUSHs (sv_result);
536	}	543	}
537	break;	544	break;
538		545
		546	case EIO_CUSTOM:
		547	if (req->feed == fiemap)
		548	{
		549	#if HAVE_FIEMAP
		550	if (!req->result)
		551	{
		552	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		553
		554	if (fiemap->fm_extent_count)
		555	{
		556	AV *av = newAV ();
		557	int i;
		558
		559	while (fiemap->fm_mapped_extents)
		560	{
		561	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		562	AV *ext_av = newAV ();
		563
		564	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		565	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		566	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		567	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		568
		569	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		570	}
		571
		572	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		573	}
		574	else
		575	{
		576	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		577	PUSHs (sv_result);
		578	}
		579	}
		580	#endif
		581	}
		582	else
		583	PUSHs (sv_result);
		584	break;
		585
539	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	586	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
540	if (req->result > 0)	587	if (req->result > 0)
541	SvIV_set (sv_result, 0);	588	SvIV_set (sv_result, 0);
542	/* FALLTHROUGH */	589	/* FALLTHROUGH */
543		590
544	default:	591	default:
…		…
564	}	611	}
565		612
566	return !!SvTRUE (ERRSV);	613	return !!SvTRUE (ERRSV);
567	}	614	}
568		615
		616	static void
569	static void req_destroy (aio_req req)	617	req_destroy (aio_req req)
570	{	618	{
571	if (req->self)	619	if (req->self)
572	{	620	{
573	sv_unmagic (req->self, PERL_MAGIC_ext);	621	sv_unmagic (req->self, PERL_MAGIC_ext);
574	SvREFCNT_dec (req->self);	622	SvREFCNT_dec (req->self);
575	}	623	}
576		624
577	SvREFCNT_dec (req->sv1);	625	SvREFCNT_dec (req->sv1);
578	SvREFCNT_dec (req->sv2);	626	SvREFCNT_dec (req->sv2);
		627	SvREFCNT_dec (req->sv3);
		628	SvREFCNT_dec (req->sv4);
579	SvREFCNT_dec (req->callback);	629	SvREFCNT_dec (req->callback);
580		630
581	Safefree (req);	631	free (req);
582	}	632	}
583		633
		634	static void
584	static void req_cancel_subs (aio_req grp)	635	req_cancel_subs (aio_req grp)
585	{	636	{
586	aio_req sub;
587
588	if (grp->type != EIO_GROUP)	637	if (grp->type != EIO_GROUP)
589	return;	638	return;
590		639
591	SvREFCNT_dec (grp->sv2);	640	SvREFCNT_dec (grp->sv2);
592	grp->sv2 = 0;	641	grp->sv2 = 0;
593		642
594	eio_grp_cancel (grp);	643	eio_grp_cancel (grp);
595	}	644	}
596		645
597	static void	646	static void ecb_cold
598	create_respipe (void)	647	create_respipe (void)
599	{	648	{
600	if (s_epipe_renew (&respipe))	649	if (s_epipe_renew (&respipe))
601	croak ("IO::AIO: unable to initialize result pipe");	650	croak ("IO::AIO: unable to initialize result pipe");
602	}	651	}
603		652
604	static void poll_wait (void)	653	static void
		654	poll_wait (void)
605	{	655	{
606	while (eio_nreqs ())	656	while (eio_nreqs ())
607	{	657	{
608	int size;	658	int size;
609		659
…		…
618		668
619	s_epipe_wait (&respipe);	669	s_epipe_wait (&respipe);
620	}	670	}
621	}	671	}
622		672
623	static int poll_cb (void)	673	static int
		674	poll_cb (void)
624	{	675	{
625	for (;;)	676	for (;;)
626	{	677	{
627	int res = eio_poll ();	678	int res = eio_poll ();
628		679
…		…
634		685
635	poll_wait ();	686	poll_wait ();
636	}	687	}
637	}	688	}
638		689
639	static void atfork_child (void)	690	static void ecb_cold
		691	reinit (void)
640	{	692	{
641	create_respipe ();	693	create_respipe ();
		694
		695	if (eio_init (want_poll, done_poll) < 0)
		696	croak ("IO::AIO: unable to initialise eio library");
642	}	697	}
643		698
644	/*****************************************************************************/	699	/*****************************************************************************/
645		700
646	#if !_POSIX_MAPPED_FILES	701	#if !_POSIX_MAPPED_FILES
647	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	702	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648	# define munmap(addr,length) (errno = ENOSYS, -1)	703	# define munmap(addr,length) (errno = ENOSYS, -1)
		704	#endif
		705
		706	#if !_POSIX_MEMORY_PROTECTION
649	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	707	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		708	# define PROT_NONE 0
		709	# define PROT_WRITE 0
		710	# define MAP_PRIVATE 0
		711	# define MAP_SHARED 0
		712	# define MAP_FIXED 0
650	#endif	713	#endif
651		714
652	#define MMAP_MAGIC PERL_MAGIC_ext	715	#define MMAP_MAGIC PERL_MAGIC_ext
653		716
654	static int	717	static int ecb_cold
655	mmap_free (pTHX_ SV *sv, MAGIC *mg)	718	mmap_free (pTHX_ SV *sv, MAGIC *mg)
656	{	719	{
657	int old_errno = errno;	720	int old_errno = errno;
658	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	721	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
659	errno = old_errno;	722	errno = old_errno;
…		…
683	{	746	{
684	SvGETMAGIC (cb_sv);	747	SvGETMAGIC (cb_sv);
685	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	748	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
686	}	749	}
687		750
		751	static aio_req ecb_noinline
		752	dreq (SV *callback)
		753	{
		754	SV *cb_cv;
		755	aio_req req;
		756	int req_pri = next_pri;
		757	next_pri = EIO_PRI_DEFAULT;
		758
		759	cb_cv = get_cb (callback);
		760
		761	req = calloc (sizeof (*req), 1);
		762	if (!req)
		763	croak ("out of memory during eio_req allocation");
		764
		765	req->callback = SvREFCNT_inc (cb_cv);
		766	req->pri = req_pri;
		767
		768	return req;
		769	}
		770
688	#define dREQ \	771	#define dREQ \
689	SV *cb_cv; \	772	aio_req req = dreq (callback); \
690	aio_req req; \
691	int req_pri = next_pri; \
692	next_pri = EIO_PRI_DEFAULT; \
693	\
694	cb_cv = get_cb (callback); \
695	\
696	Newz (0, req, 1, eio_req); \
697	if (!req) \
698	croak ("out of memory during eio_req allocation"); \
699	\
700	req->callback = SvREFCNT_inc (cb_cv); \
701	req->pri = req_pri
702		773
703	#define REQ_SEND \	774	#define REQ_SEND \
704	PUTBACK; \	775	PUTBACK; \
705	req_submit (req); \	776	req_submit (req); \
706	SPAGAIN; \	777	SPAGAIN; \
707	\	778	\
708	if (GIMME_V != G_VOID) \	779	if (GIMME_V != G_VOID) \
709	XPUSHs (req_sv (req, aio_req_stash));	780	XPUSHs (req_sv (req, aio_req_stash));
710		781
		782	ecb_inline void
		783	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		784	{
		785	if (expect_false (SvROK (path)))
		786	{
		787	SV *rv = SvRV (path);
		788	SV *wdob;
		789
		790	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		791	{
		792	path = AvARRAY (rv)[1];
		793	wdob = AvARRAY (rv)[0];
		794
		795	if (SvOK (wdob))
		796	{
		797	*wd = SvAIO_WD (wdob);
		798	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		799	}
		800	else
		801	*wd = EIO_INVALID_WD;
		802	}
		803	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		804	{
		805	*wd = (aio_wd)(long)SvIVX (rv);
		806	*wdsv = SvREFCNT_inc_NN (rv);
		807	*ptr = ".";
		808	return; /* path set to "." */
		809	}
		810	else
		811	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		812	}
		813
		814	*pathsv = newSVsv (path);
		815	*ptr = SvPVbyte_nolen (*pathsv);
		816	}
		817
		818	static void ecb_noinline
		819	req_set_path1 (aio_req req, SV *path)
		820	{
		821	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		822	}
		823
		824	static void ecb_noinline
		825	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		826	{
		827	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		828
		829	switch (SvTYPE (rv))
		830	{
		831	case SVt_PVIO:
		832	case SVt_PVLV:
		833	case SVt_PVGV:
		834	req->type = type_fh;
		835	req->sv1 = newSVsv (fh_or_path);
		836	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		837	break;
		838
		839	default:
		840	req->type = type_path;
		841	req_set_path1 (req, fh_or_path);
		842	break;
		843	}
		844	}
		845
		846	XS(boot_IO__AIO) ecb_cold;
		847
711	MODULE = IO::AIO PACKAGE = IO::AIO	848	MODULE = IO::AIO PACKAGE = IO::AIO
712		849
713	PROTOTYPES: ENABLE	850	PROTOTYPES: ENABLE
714		851
715	BOOT:	852	BOOT:
…		…
719	IV iv;	856	IV iv;
720	} *civ, const_iv[] = {	857	} *civ, const_iv[] = {
721	# define const_niv(name, value) { # name, (IV) value },	858	# define const_niv(name, value) { # name, (IV) value },
722	# define const_iv(name) { # name, (IV) name },	859	# define const_iv(name) { # name, (IV) name },
723	# define const_eio(name) { # name, (IV) EIO_ ## name },	860	# define const_eio(name) { # name, (IV) EIO_ ## name },
		861
		862	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		863
		864	const_iv (ENOSYS)
724	const_iv (EXDEV)	865	const_iv (EXDEV)
725	const_iv (ENOSYS)	866	const_iv (EBADR)
		867
726	const_iv (O_RDONLY)	868	const_iv (O_RDONLY)
727	const_iv (O_WRONLY)	869	const_iv (O_WRONLY)
728	const_iv (O_RDWR)	870	const_iv (O_RDWR)
729	const_iv (O_CREAT)	871	const_iv (O_CREAT)
730	const_iv (O_TRUNC)	872	const_iv (O_TRUNC)
731	const_iv (O_EXCL)	873	const_iv (O_EXCL)
732	const_iv (O_APPEND)	874	const_iv (O_APPEND)
733	#ifndef _WIN32	875
		876	const_iv (O_ASYNC)
		877	const_iv (O_DIRECT)
		878	const_iv (O_NOATIME)
		879
		880	const_iv (O_CLOEXEC)
		881	const_iv (O_NOCTTY)
		882	const_iv (O_NOFOLLOW)
		883	const_iv (O_NONBLOCK)
		884	const_iv (O_EXEC)
		885	const_iv (O_SEARCH)
		886	const_iv (O_DIRECTORY)
		887	const_iv (O_DSYNC)
		888	const_iv (O_RSYNC)
		889	const_iv (O_SYNC)
		890	const_iv (O_TTY_INIT)
		891
734	const_iv (S_IFIFO)	892	const_iv (S_IFIFO)
735	#endif	893	const_iv (S_IFCHR)
		894	const_iv (S_IFBLK)
		895	const_iv (S_IFLNK)
		896	const_iv (S_IFREG)
		897	const_iv (S_IFDIR)
		898	const_iv (S_IFWHT)
		899	const_iv (S_IFSOCK)
		900	const_iv (S_IFMT)
		901
736	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	902	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
737	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	903	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
738	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	904	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
739	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	905	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
740	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	906	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
774	const_iv (MAP_LOCKED)	940	const_iv (MAP_LOCKED)
775	const_iv (MAP_NORESERVE)	941	const_iv (MAP_NORESERVE)
776	const_iv (MAP_POPULATE)	942	const_iv (MAP_POPULATE)
777	const_iv (MAP_NONBLOCK)	943	const_iv (MAP_NONBLOCK)
778		944
		945	const_iv (FIEMAP_FLAG_SYNC)
		946	const_iv (FIEMAP_FLAG_XATTR)
		947	const_iv (FIEMAP_FLAGS_COMPAT)
		948	const_iv (FIEMAP_EXTENT_LAST)
		949	const_iv (FIEMAP_EXTENT_UNKNOWN)
		950	const_iv (FIEMAP_EXTENT_DELALLOC)
		951	const_iv (FIEMAP_EXTENT_ENCODED)
		952	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		953	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		954	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		955	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		956	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		957	const_iv (FIEMAP_EXTENT_MERGED)
		958	const_iv (FIEMAP_EXTENT_SHARED)
		959
		960	const_eio (SEEK_SET)
		961	const_eio (SEEK_CUR)
		962	const_eio (SEEK_END)
		963
779	const_iv (MCL_FUTURE)	964	const_eio (MCL_FUTURE)
780	const_iv (MCL_CURRENT)	965	const_eio (MCL_CURRENT)
781		966
782	const_eio (MS_ASYNC)	967	const_eio (MS_ASYNC)
783	const_eio (MS_INVALIDATE)	968	const_eio (MS_INVALIDATE)
784	const_eio (MS_SYNC)	969	const_eio (MS_SYNC)
785		970
786	const_eio (MT_MODIFY)	971	const_eio (MT_MODIFY)
787		972
788	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	973	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
789	const_eio (SYNC_FILE_RANGE_WRITE)	974	const_eio (SYNC_FILE_RANGE_WRITE)
790	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	975	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		976
		977	const_eio (FALLOC_FL_KEEP_SIZE)
791		978
792	const_eio (READDIR_DENTS)	979	const_eio (READDIR_DENTS)
793	const_eio (READDIR_DIRS_FIRST)	980	const_eio (READDIR_DIRS_FIRST)
794	const_eio (READDIR_STAT_ORDER)	981	const_eio (READDIR_STAT_ORDER)
795	const_eio (READDIR_FOUND_UNKNOWN)	982	const_eio (READDIR_FOUND_UNKNOWN)
…		…
806	};	993	};
807		994
808	aio_stash = gv_stashpv ("IO::AIO" , 1);	995	aio_stash = gv_stashpv ("IO::AIO" , 1);
809	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	996	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
810	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	997	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		998	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
811		999
812	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1000	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
813	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1001	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
814		1002
815	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1003	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
816		1004
817	create_respipe ();	1005	reinit ();
818
819	if (eio_init (want_poll, done_poll) < 0)
820	croak ("IO::AIO: unable to initialise eio library");
821
822	/* atfork child called in fifo order, so before eio's handler */
823	X_THREAD_ATFORK (0, 0, atfork_child);
824	}	1006	}
825		1007
826	void	1008	void
		1009	reinit ()
		1010	PROTOTYPE:
		1011
		1012	void
827	max_poll_reqs (int nreqs)	1013	max_poll_reqs (unsigned int nreqs)
828	PROTOTYPE: $	1014	PROTOTYPE: $
829	CODE:	1015	CODE:
830	eio_set_max_poll_reqs (nreqs);	1016	eio_set_max_poll_reqs (nreqs);
831		1017
832	void	1018	void
…		…
834	PROTOTYPE: $	1020	PROTOTYPE: $
835	CODE:	1021	CODE:
836	eio_set_max_poll_time (nseconds);	1022	eio_set_max_poll_time (nseconds);
837		1023
838	void	1024	void
839	min_parallel (int nthreads)	1025	min_parallel (unsigned int nthreads)
840	PROTOTYPE: $	1026	PROTOTYPE: $
841	CODE:	1027	CODE:
842	eio_set_min_parallel (nthreads);	1028	eio_set_min_parallel (nthreads);
843		1029
844	void	1030	void
845	max_parallel (int nthreads)	1031	max_parallel (unsigned int nthreads)
846	PROTOTYPE: $	1032	PROTOTYPE: $
847	CODE:	1033	CODE:
848	eio_set_max_parallel (nthreads);	1034	eio_set_max_parallel (nthreads);
849		1035
850	void	1036	void
851	max_idle (int nthreads)	1037	max_idle (unsigned int nthreads)
852	PROTOTYPE: $	1038	PROTOTYPE: $
853	CODE:	1039	CODE:
854	eio_set_max_idle (nthreads);	1040	eio_set_max_idle (nthreads);
855		1041
856	void	1042	void
		1043	idle_timeout (unsigned int seconds)
		1044	PROTOTYPE: $
		1045	CODE:
		1046	eio_set_idle_timeout (seconds);
		1047
		1048	void
857	max_outstanding (int maxreqs)	1049	max_outstanding (unsigned int maxreqs)
858	PROTOTYPE: $	1050	PROTOTYPE: $
859	CODE:	1051	CODE:
860	max_outstanding = maxreqs;	1052	max_outstanding = maxreqs;
861		1053
862	void	1054	void
		1055	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1056	PPCODE:
		1057	{
		1058	dREQ;
		1059
		1060	req->type = EIO_WD_OPEN;
		1061	req_set_path1 (req, pathname);
		1062
		1063	REQ_SEND;
		1064	}
		1065
		1066	void
863	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1067	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
864	PROTOTYPE: $$$;$
865	PPCODE:	1068	PPCODE:
866	{	1069	{
867	dREQ;	1070	dREQ;
868		1071
869	req->type = EIO_OPEN;	1072	req->type = EIO_OPEN;
870	req->sv1 = newSVsv (pathname);	1073	req_set_path1 (req, pathname);
871	req->ptr1 = SvPVbyte_nolen (req->sv1);
872	req->int1 = flags;	1074	req->int1 = flags;
873	req->int2 = mode;	1075	req->int2 = mode;
874		1076
875	REQ_SEND;	1077	REQ_SEND;
876	}	1078	}
877		1079
878	void	1080	void
879	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1081	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
880	PROTOTYPE: $;$
881	ALIAS:	1082	ALIAS:
882	aio_fsync = EIO_FSYNC	1083	aio_fsync = EIO_FSYNC
883	aio_fdatasync = EIO_FDATASYNC	1084	aio_fdatasync = EIO_FDATASYNC
		1085	aio_syncfs = EIO_SYNCFS
884	PPCODE:	1086	PPCODE:
885	{	1087	{
886	int fd = s_fileno_croak (fh, 0);	1088	int fd = s_fileno_croak (fh, 0);
887	dREQ;	1089	dREQ;
888		1090
889	req->type = ix;	1091	req->type = ix;
890	req->sv1 = newSVsv (fh);	1092	req->sv1 = newSVsv (fh);
891	req->int1 = fd;	1093	req->int1 = fd;
892		1094
893	REQ_SEND (req);	1095	REQ_SEND;
894	}	1096	}
895		1097
896	void	1098	void
897	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1099	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
898	PROTOTYPE: $$$$;$
899	PPCODE:	1100	PPCODE:
900	{	1101	{
901	int fd = s_fileno_croak (fh, 0);	1102	int fd = s_fileno_croak (fh, 0);
902	dREQ;	1103	dREQ;
903		1104
…		…
906	req->int1 = fd;	1107	req->int1 = fd;
907	req->offs = offset;	1108	req->offs = offset;
908	req->size = nbytes;	1109	req->size = nbytes;
909	req->int2 = flags;	1110	req->int2 = flags;
910		1111
911	REQ_SEND (req);	1112	REQ_SEND;
912	}	1113	}
913		1114
914	void	1115	void
915	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1116	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
916	PROTOTYPE: $;$
917	PPCODE:	1117	PPCODE:
918	{	1118	{
919	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920	int fd = s_fileno_croak (fh, 0);	1119	int fd = s_fileno_croak (fh, 0);
921	dREQ;	1120	dREQ;
922		1121
923	if (close_pipe < 0)	1122	req->type = EIO_FALLOCATE;
		1123	req->sv1 = newSVsv (fh);
		1124	req->int1 = fd;
		1125	req->int2 = mode;
		1126	req->offs = offset;
		1127	req->size = len;
		1128
		1129	REQ_SEND;
		1130	}
		1131
		1132	void
		1133	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1134	PPCODE:
		1135	{
		1136	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1137	int fd = s_fileno_croak (fh, 0);
		1138	dREQ;
		1139
		1140	if (expect_false (close_fd < 0))
924	{	1141	{
925	int pipefd [2];	1142	int pipefd [2];
926		1143
		1144	if (
		1145	#ifdef _WIN32
		1146	_pipe (pipefd, 1, _O_BINARY) < 0
		1147	#else
927	if (pipe (pipefd) < 0	1148	pipe (pipefd) < 0
928	|| close (pipefd [1]) < 0
929	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1149	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1150	#endif
		1151	|| close (pipefd [1]) < 0
		1152	)
930	abort (); /*D*/	1153	abort (); /*D*/
931		1154
932	close_pipe = pipefd [0];	1155	close_fd = pipefd [0];
933	}	1156	}
934		1157
935	req->type = EIO_DUP2;	1158	req->type = EIO_DUP2;
936	req->int1 = close_pipe;	1159	req->int1 = close_fd;
937	req->sv2 = newSVsv (fh);	1160	req->sv2 = newSVsv (fh);
938	req->int2 = fd;	1161	req->int2 = fd;
939		1162
940	REQ_SEND (req);	1163	REQ_SEND;
		1164	}
		1165
		1166	void
		1167	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1168	PPCODE:
		1169	{
		1170	int fd = s_fileno_croak (fh, 0);
		1171	dREQ;
		1172
		1173	req->type = EIO_SEEK;
		1174	req->sv1 = newSVsv (fh);
		1175	req->int1 = fd;
		1176	req->offs = SvVAL64 (offset);
		1177	req->int2 = whence;
		1178
		1179	REQ_SEND;
941	}	1180	}
942		1181
943	void	1182	void
944	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1183	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
945	ALIAS:	1184	ALIAS:
946	aio_read = EIO_READ	1185	aio_read = EIO_READ
947	aio_write = EIO_WRITE	1186	aio_write = EIO_WRITE
948	PROTOTYPE: $$$$$;$
949	PPCODE:	1187	PPCODE:
950	{	1188	{
951	STRLEN svlen;	1189	STRLEN svlen;
952	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1190	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953	char *svptr = SvPVbyte (data, svlen);	1191	char *svptr = SvPVbyte (data, svlen);
…		…
993	REQ_SEND;	1231	REQ_SEND;
994	}	1232	}
995	}	1233	}
996		1234
997	void	1235	void
998	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1236	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
999	PROTOTYPE: $$;$	1237	ALIAS:
		1238	aio_readlink = EIO_READLINK
		1239	aio_realpath = EIO_REALPATH
1000	PPCODE:	1240	PPCODE:
1001	{	1241	{
1002	SV *data;
1003	dREQ;	1242	dREQ;
1004		1243
1005	req->type = EIO_READLINK;	1244	req->type = ix;
1006	req->sv1 = newSVsv (path);	1245	req_set_path1 (req, pathname);
1007	req->ptr1 = SvPVbyte_nolen (req->sv1);
1008		1246
1009	REQ_SEND;	1247	REQ_SEND;
1010	}	1248	}
1011		1249
1012	void	1250	void
1013	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1251	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1014	PROTOTYPE: $$$$;$
1015	PPCODE:	1252	PPCODE:
1016	{	1253	{
1017	int ifd = s_fileno_croak (in_fh , 0);	1254	int ifd = s_fileno_croak (in_fh , 0);
1018	int ofd = s_fileno_croak (out_fh, 1);	1255	int ofd = s_fileno_croak (out_fh, 1);
1019	dREQ;	1256	dREQ;
…		…
1029	REQ_SEND;	1266	REQ_SEND;
1030	}	1267	}
1031		1268
1032	void	1269	void
1033	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1270	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1034	PROTOTYPE: $$$;$
1035	PPCODE:	1271	PPCODE:
1036	{	1272	{
1037	int fd = s_fileno_croak (fh, 0);	1273	int fd = s_fileno_croak (fh, 0);
1038	dREQ;	1274	dREQ;
1039		1275
…		…
1054	aio_statvfs = EIO_STATVFS	1290	aio_statvfs = EIO_STATVFS
1055	PPCODE:	1291	PPCODE:
1056	{	1292	{
1057	dREQ;	1293	dREQ;
1058		1294
1059	req->sv1 = newSVsv (fh_or_path);	1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1060
1061	if (SvPOK (req->sv1))
1062	{
1063	req->type = ix;
1064	req->ptr1 = SvPVbyte_nolen (req->sv1);
1065	}
1066	else
1067	{
1068	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1069	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070	}
1071		1296
1072	REQ_SEND;	1297	REQ_SEND;
1073	}	1298	}
		1299
		1300	UV
		1301	major (UV dev)
		1302	ALIAS:
		1303	minor = 1
		1304	CODE:
		1305	RETVAL = ix ? major (dev) : minor (dev);
		1306	OUTPUT:
		1307	RETVAL
		1308
		1309	UV
		1310	makedev (UV maj, UV min)
		1311	CODE:
		1312	RETVAL = makedev (maj, min);
		1313	OUTPUT:
		1314	RETVAL
1074		1315
1075	void	1316	void
1076	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1317	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1077	PPCODE:	1318	PPCODE:
1078	{	1319	{
1079	dREQ;	1320	dREQ;
1080		1321
1081	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1082	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1323	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1083	req->sv1 = newSVsv (fh_or_path);	1324	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1084
1085	if (SvPOK (req->sv1))
1086	{
1087	req->type = EIO_UTIME;
1088	req->ptr1 = SvPVbyte_nolen (req->sv1);
1089	}
1090	else
1091	{
1092	req->type = EIO_FUTIME;
1093	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1094	}
1095		1325
1096	REQ_SEND;	1326	REQ_SEND;
1097	}	1327	}
1098		1328
1099	void	1329	void
1100	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1330	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1101	PPCODE:	1331	PPCODE:
1102	{	1332	{
1103	dREQ;	1333	dREQ;
1104		1334
1105	req->sv1 = newSVsv (fh_or_path);
1106	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1107		1336	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1108	if (SvPOK (req->sv1))
1109	{
1110	req->type = EIO_TRUNCATE;
1111	req->ptr1 = SvPVbyte_nolen (req->sv1);
1112	}
1113	else
1114	{
1115	req->type = EIO_FTRUNCATE;
1116	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1117	}
1118		1337
1119	REQ_SEND;	1338	REQ_SEND;
1120	}	1339	}
1121		1340
1122	void	1341	void
1123	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1342	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1124	ALIAS:
1125	aio_chmod = EIO_CHMOD
1126	aio_mkdir = EIO_MKDIR
1127	PPCODE:	1343	PPCODE:
1128	{	1344	{
1129	dREQ;	1345	dREQ;
1130		1346
1131	req->int2 = mode;	1347	req->int2 = mode;
1132	req->sv1 = newSVsv (fh_or_path);	1348	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1133
1134	if (SvPOK (req->sv1))
1135	{
1136	req->type = ix;
1137	req->ptr1 = SvPVbyte_nolen (req->sv1);
1138	}
1139	else
1140	{
1141	req->type = EIO_FCHMOD;
1142	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1143	}
1144		1349
1145	REQ_SEND;	1350	REQ_SEND;
1146	}	1351	}
1147		1352
1148	void	1353	void
…		…
1151	{	1356	{
1152	dREQ;	1357	dREQ;
1153		1358
1154	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1155	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1360	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1156	req->sv1 = newSVsv (fh_or_path);	1361	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1157
1158	if (SvPOK (req->sv1))
1159	{
1160	req->type = EIO_CHOWN;
1161	req->ptr1 = SvPVbyte_nolen (req->sv1);
1162	}
1163	else
1164	{
1165	req->type = EIO_FCHOWN;
1166	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1167	}
1168		1362
1169	REQ_SEND;	1363	REQ_SEND;
1170	}	1364	}
1171		1365
1172	void	1366	void
…		…
1174	PPCODE:	1368	PPCODE:
1175	{	1369	{
1176	dREQ;	1370	dREQ;
1177		1371
1178	req->type = EIO_READDIR;	1372	req->type = EIO_READDIR;
1179	req->sv1 = newSVsv (pathname);
1180	req->ptr1 = SvPVbyte_nolen (req->sv1);
1181	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1373	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1182		1374
1183	if (flags & EIO_READDIR_DENTS)	1375	if (flags & EIO_READDIR_DENTS)
1184	req->int1 |= EIO_READDIR_CUSTOM2;	1376	req->int1 |= EIO_READDIR_CUSTOM2;
1185		1377
		1378	req_set_path1 (req, pathname);
		1379
1186	REQ_SEND;	1380	REQ_SEND;
		1381	}
		1382
		1383	void
		1384	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1385	PPCODE:
		1386	{
		1387	dREQ;
		1388
		1389	req->type = EIO_MKDIR;
		1390	req->int2 = mode;
		1391	req_set_path1 (req, pathname);
		1392
		1393	REQ_SEND;
1187	}	1394	}
1188		1395
1189	void	1396	void
1190	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1191	ALIAS:	1398	ALIAS:
…		…
1195	PPCODE:	1402	PPCODE:
1196	{	1403	{
1197	dREQ;	1404	dREQ;
1198		1405
1199	req->type = ix;	1406	req->type = ix;
1200	req->sv1 = newSVsv (pathname);	1407	req_set_path1 (req, pathname);
1201	req->ptr1 = SvPVbyte_nolen (req->sv1);
1202		1408
1203	REQ_SEND;	1409	REQ_SEND;
1204	}	1410	}
1205		1411
1206	void	1412	void
…		…
1209	aio_link = EIO_LINK	1415	aio_link = EIO_LINK
1210	aio_symlink = EIO_SYMLINK	1416	aio_symlink = EIO_SYMLINK
1211	aio_rename = EIO_RENAME	1417	aio_rename = EIO_RENAME
1212	PPCODE:	1418	PPCODE:
1213	{	1419	{
		1420	eio_wd wd2 = 0;
1214	dREQ;	1421	dREQ;
1215		1422
1216	req->type = ix;	1423	req->type = ix;
1217	req->sv1 = newSVsv (oldpath);	1424	req_set_path1 (req, oldpath);
1218	req->ptr1 = SvPVbyte_nolen (req->sv1);	1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1219	req->sv2 = newSVsv (newpath);	1426	req->int3 = (long)wd2;
1220	req->ptr2 = SvPVbyte_nolen (req->sv2);
1221		1427
1222	REQ_SEND;	1428	REQ_SEND;
1223	}	1429	}
1224		1430
1225	void	1431	void
…		…
1227	PPCODE:	1433	PPCODE:
1228	{	1434	{
1229	dREQ;	1435	dREQ;
1230		1436
1231	req->type = EIO_MKNOD;	1437	req->type = EIO_MKNOD;
1232	req->sv1 = newSVsv (pathname);
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	req->int2 = (mode_t)mode;	1438	req->int2 = (mode_t)mode;
1235	req->offs = dev;	1439	req->offs = dev;
		1440	req_set_path1 (req, pathname);
1236		1441
1237	REQ_SEND;	1442	REQ_SEND;
1238	}	1443	}
1239		1444
1240	void	1445	void
1241	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1446	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1242	ALIAS:	1447	ALIAS:
1243	aio_mtouch = EIO_MTOUCH	1448	aio_mtouch = EIO_MTOUCH
1244	aio_msync = EIO_MSYNC	1449	aio_msync = EIO_MSYNC
1245	PROTOTYPE: $$$$;$
1246	PPCODE:	1450	PPCODE:
1247	{	1451	{
1248	STRLEN svlen;	1452	STRLEN svlen;
		1453	char *svptr = SvPVbyte (data, svlen);
1249	UV len = SvUV (length);	1454	UV len = SvUV (length);
1250	char *svptr = SvPVbyte (data, svlen);
1251		1455
1252	if (offset < 0)	1456	if (offset < 0)
1253	offset += svlen;	1457	offset += svlen;
1254		1458
1255	if (offset < 0 || offset > svlen)	1459	if (offset < 0 || offset > svlen)
…		…
1260		1464
1261	{	1465	{
1262	dREQ;	1466	dREQ;
1263		1467
1264	req->type = ix;	1468	req->type = ix;
1265	req->size = len;
1266	req->sv2 = SvREFCNT_inc (data);	1469	req->sv2 = SvREFCNT_inc (data);
1267	req->ptr2 = (char *)svptr + offset;	1470	req->ptr2 = (char *)svptr + offset;
		1471	req->size = len;
1268	req->int1 = flags;	1472	req->int1 = flags;
1269		1473
1270	REQ_SEND;	1474	REQ_SEND;
1271	}	1475	}
1272	}	1476	}
1273		1477
1274	void	1478	void
		1479	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1480	PPCODE:
		1481	{
		1482	STRLEN svlen;
		1483	char *svptr = SvPVbyte (data, svlen);
		1484	UV len = SvUV (length);
		1485
		1486	if (offset < 0)
		1487	offset += svlen;
		1488
		1489	if (offset < 0 || offset > svlen)
		1490	croak ("offset outside of scalar");
		1491
		1492	if (!SvOK (length) || len + offset > svlen)
		1493	len = svlen - offset;
		1494
		1495	{
		1496	dREQ;
		1497
		1498	req->type = EIO_MLOCK;
		1499	req->sv2 = SvREFCNT_inc (data);
		1500	req->ptr2 = (char *)svptr + offset;
		1501	req->size = len;
		1502
		1503	REQ_SEND;
		1504	}
		1505	}
		1506
		1507	void
		1508	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1509	PPCODE:
		1510	{
		1511	dREQ;
		1512
		1513	req->type = EIO_MLOCKALL;
		1514	req->int1 = flags;
		1515
		1516	REQ_SEND;
		1517	}
		1518
		1519	void
		1520	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1521	PPCODE:
		1522	{
		1523	int fd = s_fileno_croak (fh, 0);
		1524	dREQ;
		1525
		1526	req->type = EIO_CUSTOM;
		1527	req->sv1 = newSVsv (fh);
		1528	req->int1 = fd;
		1529
		1530	req->feed = fiemap;
		1531	#if HAVE_FIEMAP
		1532	/* keep our fingers crossed that the next two types are 64 bit */
		1533	req->offs = start;
		1534	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1535	req->int2 = flags;
		1536	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1537	#endif
		1538
		1539	REQ_SEND;
		1540	}
		1541
		1542	void
1275	aio_busy (double delay, SV *callback=&PL_sv_undef)	1543	aio_busy (double delay, SV *callback=&PL_sv_undef)
1276	PPCODE:	1544	PPCODE:
1277	{	1545	{
1278	dREQ;	1546	dREQ;
1279		1547
…		…
1283	REQ_SEND;	1551	REQ_SEND;
1284	}	1552	}
1285		1553
1286	void	1554	void
1287	aio_group (SV *callback=&PL_sv_undef)	1555	aio_group (SV *callback=&PL_sv_undef)
1288	PROTOTYPE: ;$
1289	PPCODE:	1556	PPCODE:
1290	{	1557	{
1291	dREQ;	1558	dREQ;
1292		1559
1293	req->type = EIO_GROUP;	1560	req->type = EIO_GROUP;
…		…
1310	REQ_SEND;	1577	REQ_SEND;
1311	}	1578	}
1312		1579
1313	int	1580	int
1314	aioreq_pri (int pri = 0)	1581	aioreq_pri (int pri = 0)
1315	PROTOTYPE: ;$
1316	CODE:	1582	CODE:
1317	RETVAL = next_pri;	1583	RETVAL = next_pri;
1318	if (items > 0)	1584	if (items > 0)
1319	{	1585	{
1320	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1586	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1332	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1598	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333	next_pri = nice;	1599	next_pri = nice;
1334		1600
1335	void	1601	void
1336	flush ()	1602	flush ()
1337	PROTOTYPE:
1338	CODE:	1603	CODE:
1339	while (eio_nreqs ())	1604	while (eio_nreqs ())
1340	{	1605	{
1341	poll_wait ();	1606	poll_wait ();
1342	poll_cb ();	1607	poll_cb ();
1343	}	1608	}
1344		1609
1345	int	1610	int
1346	poll()	1611	poll ()
1347	PROTOTYPE:
1348	CODE:	1612	CODE:
1349	poll_wait ();	1613	poll_wait ();
1350	RETVAL = poll_cb ();	1614	RETVAL = poll_cb ();
1351	OUTPUT:	1615	OUTPUT:
1352	RETVAL	1616	RETVAL
1353		1617
1354	int	1618	int
1355	poll_fileno()	1619	poll_fileno ()
1356	PROTOTYPE:
1357	CODE:	1620	CODE:
1358	RETVAL = s_epipe_fd (&respipe);	1621	RETVAL = s_epipe_fd (&respipe);
1359	OUTPUT:	1622	OUTPUT:
1360	RETVAL	1623	RETVAL
1361		1624
1362	int	1625	int
1363	poll_cb(...)	1626	poll_cb (...)
1364	PROTOTYPE:	1627	PROTOTYPE:
1365	CODE:	1628	CODE:
1366	RETVAL = poll_cb ();	1629	RETVAL = poll_cb ();
1367	OUTPUT:	1630	OUTPUT:
1368	RETVAL	1631	RETVAL
1369		1632
1370	void	1633	void
1371	poll_wait()	1634	poll_wait ()
1372	PROTOTYPE:
1373	CODE:	1635	CODE:
1374	poll_wait ();	1636	poll_wait ();
1375		1637
1376	int	1638	int
1377	nreqs()	1639	nreqs ()
1378	PROTOTYPE:
1379	CODE:	1640	CODE:
1380	RETVAL = eio_nreqs ();	1641	RETVAL = eio_nreqs ();
1381	OUTPUT:	1642	OUTPUT:
1382	RETVAL	1643	RETVAL
1383		1644
1384	int	1645	int
1385	nready()	1646	nready ()
1386	PROTOTYPE:
1387	CODE:	1647	CODE:
1388	RETVAL = eio_nready ();	1648	RETVAL = eio_nready ();
1389	OUTPUT:	1649	OUTPUT:
1390	RETVAL	1650	RETVAL
1391		1651
1392	int	1652	int
1393	npending()	1653	npending ()
1394	PROTOTYPE:
1395	CODE:	1654	CODE:
1396	RETVAL = eio_npending ();	1655	RETVAL = eio_npending ();
1397	OUTPUT:	1656	OUTPUT:
1398	RETVAL	1657	RETVAL
1399		1658
1400	int	1659	int
1401	nthreads()	1660	nthreads ()
1402	PROTOTYPE:
1403	CODE:	1661	CODE:
1404	RETVAL = eio_nthreads ();	1662	RETVAL = eio_nthreads ();
1405	OUTPUT:	1663	OUTPUT:
1406	RETVAL	1664	RETVAL
1407		1665
1408	int	1666	int
1409	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1667	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410	PROTOTYPE: $$$$
1411	CODE:	1668	CODE:
1412	RETVAL = posix_fadvise (fh, offset, length, advice);	1669	RETVAL = posix_fadvise (fh, offset, length, advice);
1413	OUTPUT:	1670	OUTPUT:
1414	RETVAL	1671	RETVAL
1415		1672
1416	ssize_t	1673	IV
1417	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1674	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418	PROTOTYPE: $$$$
1419	CODE:	1675	CODE:
1420	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1676	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421	OUTPUT:	1677	OUTPUT:
1422	RETVAL	1678	RETVAL
1423		1679
1424	void	1680	void
1425	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1681	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1426	PROTOTYPE: $$$$$;$
1427	PPCODE:	1682	PPCODE:
1428	sv_unmagic (scalar, MMAP_MAGIC);	1683	sv_unmagic (scalar, MMAP_MAGIC);
1429	{	1684	{
1430	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1685	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1686	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1454	XSRETURN_YES;	1709	XSRETURN_YES;
1455	}	1710	}
1456		1711
1457	void	1712	void
1458	munmap (SV *scalar)	1713	munmap (SV *scalar)
1459	PROTOTYPE: $
1460	CODE:	1714	CODE:
1461	sv_unmagic (scalar, MMAP_MAGIC);	1715	sv_unmagic (scalar, MMAP_MAGIC);
1462		1716
1463	int	1717	int
1464	madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)	1718	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1465	ALIAS:	1719	ALIAS:
1466	mprotect = 1	1720	mprotect = 1
1467	PROTOTYPE: $$$$
1468	CODE:	1721	CODE:
1469	{	1722	{
1470	STRLEN cur;	1723	STRLEN svlen;
1471	char *addr = SvPVbyte (scalar, cur);	1724	void *addr = SvPVbyte (scalar, svlen);
		1725	size_t len = SvUV (length);
1472		1726
1473	if (offset > cur)	1727	if (offset < 0)
1474	RETVAL = errno = EFAULT;	1728	offset += svlen;
1475	else	1729
		1730	if (offset < 0 || offset > svlen)
		1731	croak ("offset outside of scalar");
		1732
		1733	if (!SvOK (length) || len + offset > svlen)
		1734	len = svlen - offset;
		1735
		1736	addr = (void *)(((intptr_t)addr) + offset);
		1737	eio_page_align (&addr, &len);
		1738
		1739	switch (ix)
1476	{	1740	{
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;	1741	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486	case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;	1742	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487	}
1488	}	1743	}
1489	}	1744	}
1490	OUTPUT:	1745	OUTPUT:
1491	RETVAL	1746	RETVAL
1492		1747
1493	int	1748	int
1494	mlockall (int flags)	1749	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1495	PROTOTYPE: $
1496	CODE:	1750	CODE:
		1751	{
		1752	STRLEN svlen;
		1753	void *addr = SvPVbyte (scalar, svlen);
		1754	size_t len = SvUV (length);
		1755
		1756	if (offset < 0)
		1757	offset += svlen;
		1758
		1759	if (offset < 0 || offset > svlen)
		1760	croak ("offset outside of scalar");
		1761
		1762	if (!SvOK (length) || len + offset > svlen)
		1763	len = svlen - offset;
		1764
		1765	addr = (void *)(((intptr_t)addr) + offset);
		1766	eio_page_align (&addr, &len);
1497	#if _POSIX_MEMLOCK	1767	#if _POSIX_MEMLOCK_RANGE
1498	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1768	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	1769	#else
1504	RETVAL = -1;	1770	RETVAL = ((errno = ENOSYS), -1);
1505	errno = ENOSYS;
1506	#endif	1771	#endif
		1772	}
1507	OUTPUT:	1773	OUTPUT:
1508	RETVAL	1774	RETVAL
1509		1775
1510	int	1776	int
1511	munlockall ()	1777	munlockall ()
1512	PROTOTYPE:
1513	CODE:	1778	CODE:
1514	#if _POSIX_MEMLOCK	1779	#if _POSIX_MEMLOCK
1515	munlockall ();	1780	munlockall ();
1516	#else	1781	#else
1517	RETVAL = -1;	1782	RETVAL = -1;
…		…
1525	SvREFCNT_dec (on_next_submit);	1790	SvREFCNT_dec (on_next_submit);
1526	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1791	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1527		1792
1528	PROTOTYPES: DISABLE	1793	PROTOTYPES: DISABLE
1529		1794
		1795	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1796
		1797	BOOT:
		1798	{
		1799	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1800	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1801	}
		1802
		1803	void
		1804	DESTROY (SV *self)
		1805	CODE:
		1806	{
		1807	aio_wd wd = SvAIO_WD (self);
		1808	#if HAVE_AT
		1809	{
		1810	SV *callback = &PL_sv_undef;
		1811	dREQ; /* clobbers next_pri :/ */
		1812	next_pri = req->pri; /* restore next_pri */
		1813	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1814	req->type = EIO_WD_CLOSE;
		1815	req->wd = wd;
		1816	REQ_SEND;
		1817	}
		1818	#else
		1819	eio_wd_close_sync (wd);
		1820	#endif
		1821	}
		1822
1530	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1823	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1531		1824
1532	void	1825	void
1533	cancel (aio_req_ornot req)	1826	cancel (aio_req_ornot req)
1534	CODE:	1827	CODE:

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