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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.243 by root, Mon Jul 18 07:48:01 2016 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	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
23	#endif	36	#endif
24		37
25	/* perl namespace pollution */	38	/* perl namespace pollution */
26	#undef VERSION	39	#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		40
77	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	43	#undef readdir
80	#undef opendir	44	#undef opendir
81	#undef closedir	45	#undef closedir
82		46
		47	#ifdef _WIN32
		48
		49	// perl overrides all those nice libc functions
		50
		51	#undef malloc
		52	#undef free
		53	#undef open
		54	#undef read
		55	#undef write
		56	#undef send
		57	#undef recv
		58	#undef stat
		59	#undef lstat
		60	#undef fstat
		61	#undef truncate
		62	#undef ftruncate
		63	#undef open
		64	#undef link
		65	#undef close
		66	#undef unlink
		67	#undef mkdir
		68	#undef rmdir
		69	#undef rename
		70	#undef lseek
		71	#undef opendir
		72	#undef readdir
		73	#undef closedir
		74	#undef chmod
		75	#undef fchmod
		76	#undef dup
		77	#undef dup2
		78	#undef abort
		79	#undef pipe
		80
		81	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	82	#define EIO_STRUCT_STATI64
84		83
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	84	#else
91	# define VAL64 NV	85
92	# define SvVAL64 SvNV	86	#include <sys/time.h>
93	# define newSVval64 newSVnv	87	#include <sys/select.h>
		88	#include <unistd.h>
		89	#include <utime.h>
		90	#include <signal.h>
		91
		92	#define EIO_STRUCT_STAT Stat_t
		93
94	#endif	94	#endif
95		95
96	/*****************************************************************************/	96	/*****************************************************************************/
97		97
98	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
108		108
109	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
112		112
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		114
115	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
116	SV *callback; \	116	SV *callback; \
117	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
118	STRLEN stroffset; \	119	STRLEN stroffset; \
119	SV *self;	120	SV *self;
120		121
121	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
122		123
		124	#include "libeio/config.h"
123	#include "libeio/eio.h"	125	#include "libeio/eio.h"
124		126
125	#ifndef POSIX_FADV_NORMAL	127	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	128	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	129	static void req_destroy (eio_req *grp);
128	#endif	130	#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		131
145	#ifndef POSIX_MADV_NORMAL	132	#include "libeio/eio.c"
146	# define POSIX_MADV_NORMAL 0
147	# define NO_MADVISE 1
148	#endif
149	#ifndef POSIX_MADV_SEQUENTIAL
150	# define POSIX_MADV_SEQUENTIAL 0
151	#endif
152	#ifndef POSIX_MADV_RANDOM
153	# define POSIX_MADV_RANDOM 0
154	#endif
155	#ifndef POSIX_MADV_WILLNEED
156	# define POSIX_MADV_WILLNEED 0
157	#endif
158	#ifndef POSIX_MADV_DONTNEED
159	# define POSIX_MADV_DONTNEED 0
160	#endif
161		133
162	#ifndef ST_NODEV	134	#if !HAVE_POSIX_FADVISE
163	# define ST_NODEV 0	135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
164	#endif	136	#endif
165	#ifndef ST_NOEXEC
166	# define ST_NOEXEC 0
167	#endif
168	#ifndef ST_SYNCHRONOUS
169	# define ST_SYNCHRONOUS 0
170	#endif
171	#ifndef ST_MANDLOCK
172	# define ST_MANDLOCK 0
173	#endif
174	#ifndef ST_WRITE
175	# define ST_WRITE 0
176	#endif
177	#ifndef ST_APPEND
178	# define ST_APPEND 0
179	#endif
180	#ifndef ST_IMMUTABLE
181	# define ST_IMMUTABLE 0
182	#endif
183	#ifndef ST_NOATIME
184	# define ST_NOATIME 0
185	#endif
186	#ifndef ST_NODIRATIME
187	# define ST_NODIRATIME 0
188	#endif
189	#ifndef ST_RELATIME
190	# define ST_RELATIME 0
191	#endif
192		137
193	#ifndef MCL_CURRENT	138	#if !HAVE_POSIX_MADVISE
194	# define MCL_CURRENT 0	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
195	#endif
196	#ifndef MCL_FUTURE
197	# define MCL_FUTURE 0
198	#endif	140	#endif
199		141
200	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
201	# ifdef MAP_ANON	143	# ifdef MAP_ANON
202	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
203	# else	145	# else
204	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205	# endif	147	# endif
206	#endif	148	#endif
207	#ifndef MAP_HUGETLB
208	# define MAP_HUGETLB 0
209	#endif
210	#ifndef MAP_LOCKED
211	# define MAP_LOCKED 0
212	#endif
213	#ifndef MAP_NORESERVE
214	# define MAP_NORESERVE 0
215	#endif
216	#ifndef MAP_POPULATE
217	# define MAP_POPULATE 0
218	#endif
219	#ifndef MAP_NONBLOCK
220	# define MAP_NONBLOCK 0
221	#endif
222		149
223	#ifndef PAGESIZE	150	/* defines all sorts of constants to 0 unless they are already defined */
		151	/* also provides const_iv_ and const_niv_ macros for them */
		152	#include "def0.h"
		153
		154	#ifndef makedev
		155	# define makedev(maj,min) (((maj) << 8) | (min))
		156	#endif
		157	#ifndef major
		158	# define major(dev) ((dev) >> 8)
		159	#endif
		160	#ifndef minor
		161	# define minor(dev) ((dev) & 0xff)
		162	#endif
		163
		164	#if PAGESIZE <= 0
224	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
225	#endif	166	#endif
226		167
227	static int req_invoke (eio_req *req);	168	/*****************************************************************************/
228	#define EIO_FINISH(req) req_invoke (req)	169
229	static void req_destroy (eio_req *grp);	170	static void
230	#define EIO_DESTROY(req) req_destroy (req)	171	fiemap (eio_req *req)
		172	{
		173	req->result = -1;
		174
		175	#if HAVE_FIEMAP
		176	/* assume some c99 */
		177	struct fiemap *fiemap = 0;
		178	size_t end_offset;
		179	int count = req->int3;
		180
		181	req->flags |= EIO_FLAG_PTR1_FREE;
		182
		183	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		184	/* increase in 3.5kb steps */
		185	if (count < 0)
		186	count = 8;
		187
		188	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194
		195	fiemap->fm_start = req->offs;
		196	fiemap->fm_length = req->size;
		197	fiemap->fm_flags = req->int2;
		198	fiemap->fm_extent_count = count;
		199
		200	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		201	return;
		202
		203	if (req->int3 >= 0 /* not autosizing */
		204	|| !fiemap->fm_mapped_extents /* no more extents */
		205	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		206	goto done;
		207
		208	/* else we have to loop -
		209	* it would be tempting (actually I tried that first) to just query the
		210	* number of extents needed, but linux often feels like not returning all
		211	* extents, without telling us it left any out. this complicates
		212	* this quite a bit.
		213	*/
		214
		215	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		216
		217	for (;;)
		218	{
		219	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		220	char scratch[3072];
		221	struct fiemap *incmap = (struct fiemap *)scratch;
		222
		223	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		224	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		225	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		226	incmap->fm_flags = fiemap->fm_flags;
		227	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		228
		229	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		230	return;
		231
		232	if (!incmap->fm_mapped_extents)
		233	goto done;
		234
		235	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		236	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		237	errno = ENOMEM;
		238	if (!fiemap)
		239	return;
		240
		241	req->ptr1 = fiemap;
		242
		243	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		244	{
		245	struct fiemap_extent *e = incmap->fm_extents + count;
		246
		247	if (e->fe_logical + e->fe_length >= end_offset)
		248	goto done;
		249
		250	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		251
		252	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		253	goto done;
		254
		255	}
		256	}
		257
		258	done:
		259	req->result = 0;
		260
		261	#else
		262	errno = ENOSYS;
		263	#endif
		264	}
		265
		266	/*****************************************************************************/
231		267
232	enum {	268	enum {
233	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
234	};	270	};
235		271
236	#include "libeio/eio.c"
237
238	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
239	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
240		275
241	static SV *on_next_submit;	276	static SV *on_next_submit;
242	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
243	static int max_outstanding;	278	static int max_outstanding;
244		279
245	static s_epipe respipe;	280	static s_epipe respipe;
246		281
247	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
248	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
249		284
250	static void want_poll (void)	285	static void
		286	want_poll (void)
251	{	287	{
252	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
253	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
254	}	290	}
255		291
256	static void done_poll (void)	292	static void
		293	done_poll (void)
257	{	294	{
258	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
259	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
260	}	297	}
261		298
262	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
263	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
264	{	302	{
265	if (!req->self)	303	if (!req->self)
266	{	304	{
267	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
268	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
269	}	307	}
270		308
271	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
272	}	310	}
273		311
274	static aio_req SvAIO_REQ (SV *sv)	312	static SV *
		313	newSVaio_wd (aio_wd wd)
		314	{
		315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		316	}
		317
		318	static aio_req
		319	SvAIO_REQ (SV *sv)
275	{	320	{
276	MAGIC *mg;	321	MAGIC *mg;
277		322
278	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
280	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
281	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
282	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
283		329
284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
285		331
286	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
287	}	333	}
288		334
		335	static aio_wd
		336	SvAIO_WD (SV *sv)
		337	{
		338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		342
		343	return (aio_wd)(long)SvIVX (SvRV (sv));
		344	}
		345
		346	static SV *
		347	newmortalFH (int fd, int flags)
		348	{
		349	if (fd < 0)
		350	return &PL_sv_undef;
		351
		352	GV *gv = (GV *)sv_newmortal ();
		353	char sym[64];
		354	int symlen;
		355
		356	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		357	gv_init (gv, aio_stash, sym, symlen, 0);
		358
		359	symlen = snprintf (
		360	sym,
		361	sizeof (sym),
		362	"%s&=%d",
		363	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		364	fd
		365	);
		366
		367	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		368	? (SV *)gv : &PL_sv_undef;
		369	}
		370
		371	static void
289	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
290	{	373	{
291	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
292	{	375	{
293	dSP;	376	dSP;
294		377
…		…
302	FREETMPS;	385	FREETMPS;
303	LEAVE;	386	LEAVE;
304	}	387	}
305	}	388	}
306		389
		390	static void
307	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
308	{	392	{
309	eio_submit (req);	393	eio_submit (req);
310		394
311	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
312	{	396	{
…		…
319	PUTBACK;	403	PUTBACK;
320	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
321	}	405	}
322	}	406	}
323		407
		408	static int
324	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
325	{	410	{
326	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
327	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
328		413
329	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
340	/* do not recreate the result IV from scratch each time */	425	/* do not recreate the result IV from scratch each time */
341	if (expect_true (sv_result_cache))	426	if (expect_true (sv_result_cache))
342	{	427	{
343	sv_result = sv_result_cache; sv_result_cache = 0;	428	sv_result = sv_result_cache; sv_result_cache = 0;
344	SvIV_set (sv_result, req->result);	429	SvIV_set (sv_result, req->result);
		430	SvIOK_only (sv_result);
345	}	431	}
346	else	432	else
347	{	433	{
348	sv_result = newSViv (req->result);	434	sv_result = newSViv (req->result);
349	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
350	}	436	}
351		437
352	switch (req->type)	438	switch (req->type)
353	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
354	case EIO_READDIR:	444	case EIO_READDIR:
355	{	445	{
356	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
357		447
358	if (req->result >= 0)	448	if (req->result >= 0)
…		…
411	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
412	}	502	}
413	break;	503	break;
414		504
415	case EIO_OPEN:	505	case EIO_OPEN:
416	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
417	/* convert fd to fh */
418	SV *fh = &PL_sv_undef;
419
420	if (req->result >= 0)
421	{
422	GV *gv = (GV *)sv_newmortal ();
423	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
424	char sym [64];
425	int symlen;
426
427	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
428	gv_init (gv, aio_stash, sym, symlen, 0);
429
430	symlen = snprintf (
431	sym,
432	sizeof (sym),
433	"%s&=%d",
434	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
435	(int)req->result
436	);
437
438	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
439	fh = (SV *)gv;
440	}
441
442	PUSHs (fh);
443	}
444	break;	507	break;
445		508
446	case EIO_STATVFS:	509	case EIO_STATVFS:
447	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
448	{	511	{
449	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
450		513
		514	#ifndef _WIN32
451	if (req->result >= 0)	515	if (req->result >= 0)
452	{	516	{
453	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
454	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
455		524
456	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
457		526
458	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
459	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
461	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
462	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
463	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
464	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
465	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
466	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
467	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
468	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
469	}	538	}
		539	#endif
470		540
471	PUSHs (rv);	541	PUSHs (rv);
472	}	542	}
473		543
474	break;	544	break;
…		…
490	case EIO_NOP:	560	case EIO_NOP:
491	case EIO_BUSY:	561	case EIO_BUSY:
492	break;	562	break;
493		563
494	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
495	if (req->result > 0)	566	if (req->result > 0)
496	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497	break;	568	break;
498		569
499	case EIO_STAT:	570	case EIO_STAT:
500	case EIO_LSTAT:	571	case EIO_LSTAT:
501	case EIO_FSTAT:	572	case EIO_FSTAT:
502	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
503	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
504	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
505	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
506	break;	584	break;
507		585
508	case EIO_READ:	586	case EIO_READ:
509	{	587	{
510	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
513	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
514	PUSHs (sv_result);	592	PUSHs (sv_result);
515	}	593	}
516	break;	594	break;
517		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
518	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519	if (req->result > 0)	637	if (req->result > 0)
520	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
521	/* FALLTHROUGH */	639	/* FALLTHROUGH */
522		640
523	default:	641	default:
…		…
543	}	661	}
544		662
545	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
546	}	664	}
547		665
		666	static void
548	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
549	{	668	{
550	if (req->self)	669	if (req->self)
551	{	670	{
552	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
553	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
554	}	673	}
555		674
556	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
557	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
558	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
559		680
560	Safefree (req);	681	free (req);
561	}	682	}
562		683
		684	static void
563	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
564	{	686	{
565	aio_req sub;
566
567	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
568	return;	688	return;
569		689
570	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
571	grp->sv2 = 0;	691	grp->sv2 = 0;
572		692
573	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
574	}	694	}
575		695
576	static void	696	static void ecb_cold
577	create_respipe (void)	697	create_respipe (void)
578	{	698	{
579	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
580	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
581	}	701	}
582		702
583	static void poll_wait (void)	703	static void
		704	poll_wait (void)
584	{	705	{
585	while (eio_nreqs ())	706	while (eio_nreqs ())
586	{	707	{
587	int size;	708	int size;
588		709
589	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
590	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
591	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
592		713
593	if (size)	714	if (size)
594	return;	715	return;
595		716
596	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
597		718
598	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
599	}	720	}
600	}	721	}
601		722
602	static int poll_cb (void)	723	static int
		724	poll_cb (void)
603	{	725	{
604	for (;;)	726	for (;;)
605	{	727	{
606	int res = eio_poll ();	728	int res = eio_poll ();
607		729
…		…
613		735
614	poll_wait ();	736	poll_wait ();
615	}	737	}
616	}	738	}
617		739
618	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
619	{	742	{
620	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
621	}	747	}
622		748
623	/*****************************************************************************/	749	/*****************************************************************************/
624		750
625	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
626	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
627	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
628	#endif	758	#endif
629		759
630	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
631		761
632	static int	762	static int ecb_cold
633	mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
634	{	764	{
635	int old_errno = errno;	765	int old_errno = errno;
636	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637	errno = old_errno;	767	errno = old_errno;
…		…
661	{	791	{
662	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
663	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664	}	794	}
665		795
		796	static aio_req ecb_noinline
		797	dreq (SV *callback)
		798	{
		799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
		803
		804	cb_cv = get_cb (callback);
		805
		806	req = calloc (sizeof (*req), 1);
		807	if (!req)
		808	croak ("out of memory during eio_req allocation");
		809
		810	req->callback = SvREFCNT_inc (cb_cv);
		811	req->pri = req_pri;
		812
		813	return req;
		814	}
		815
666	#define dREQ \	816	#define dREQ \
667	SV *cb_cv; \	817	aio_req req = dreq (callback); \
668	aio_req req; \
669	int req_pri = next_pri; \
670	next_pri = EIO_PRI_DEFAULT; \
671	\
672	cb_cv = get_cb (callback); \
673	\
674	Newz (0, req, 1, eio_req); \
675	if (!req) \
676	croak ("out of memory during eio_req allocation"); \
677	\
678	req->callback = SvREFCNT_inc (cb_cv); \
679	req->pri = req_pri
680		818
681	#define REQ_SEND \	819	#define REQ_SEND \
682	PUTBACK; \	820	PUTBACK; \
683	req_submit (req); \	821	req_submit (req); \
684	SPAGAIN; \	822	SPAGAIN; \
685	\	823	\
686	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
687	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
688		826
		827	ecb_inline void
		828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		829	{
		830	if (expect_false (SvROK (path)))
		831	{
		832	SV *rv = SvRV (path);
		833	SV *wdob;
		834
		835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
		839
		840	if (SvOK (wdob))
		841	{
		842	*wd = SvAIO_WD (wdob);
		843	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		844	}
		845	else
		846	*wd = EIO_INVALID_WD;
		847	}
		848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		849	{
		850	*wd = (aio_wd)(long)SvIVX (rv);
		851	*wdsv = SvREFCNT_inc_NN (rv);
		852	*ptr = ".";
		853	return; /* path set to "." */
		854	}
		855	else
		856	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		857	}
		858
		859	*pathsv = newSVsv (path);
		860	*ptr = SvPVbyte_nolen (*pathsv);
		861	}
		862
		863	static void ecb_noinline
		864	req_set_path1 (aio_req req, SV *path)
		865	{
		866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		867	}
		868
		869	static void ecb_noinline
		870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		871	{
		872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		873
		874	switch (SvTYPE (rv))
		875	{
		876	case SVt_PVIO:
		877	case SVt_PVLV:
		878	case SVt_PVGV:
		879	req->type = type_fh;
		880	req->sv1 = newSVsv (fh_or_path);
		881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		882	break;
		883
		884	default:
		885	req->type = type_path;
		886	req_set_path1 (req, fh_or_path);
		887	break;
		888	}
		889	}
		890
		891	XS(boot_IO__AIO) ecb_cold;
		892
689	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
690		894
691	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
692		896
693	BOOT:	897	BOOT:
…		…
697	IV iv;	901	IV iv;
698	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
699	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
700	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
701	# define const_eio(name) { # name, (IV) EIO_ ## name },	905	# define const_eio(name) { # name, (IV) EIO_ ## name },
		906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
		909	const_iv (ENOSYS)
702	const_iv (EXDEV)	910	const_iv (EXDEV)
703	const_iv (ENOSYS)	911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929	const_niv (MADV_FREE , POSIX_MADV_FREE)
		930
		931	/* the second block will be 0 when missing */
704	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
705	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
706	const_iv (O_RDWR)	934	const_iv (O_RDWR)
707	const_iv (O_CREAT)	935	const_iv (O_CREAT)
708	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
709	const_iv (O_EXCL)	937	const_iv (O_EXCL)
710	const_iv (O_APPEND)	938	const_iv (O_APPEND)
711	#ifndef _WIN32	939
		940	const_iv (O_ASYNC)
		941	const_iv (O_DIRECT)
		942	const_iv (O_NOATIME)
		943
		944	const_iv (O_CLOEXEC)
		945	const_iv (O_NOCTTY)
		946	const_iv (O_NOFOLLOW)
		947	const_iv (O_NONBLOCK)
		948	const_iv (O_EXEC)
		949	const_iv (O_SEARCH)
		950	const_iv (O_DIRECTORY)
		951	const_iv (O_DSYNC)
		952	const_iv (O_RSYNC)
		953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
		956	const_iv (O_TTY_INIT)
		957
712	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
713	#endif	959	const_iv (S_IFCHR)
714	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	960	const_iv (S_IFBLK)
715	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	961	const_iv (S_IFLNK)
716	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	962	const_iv (S_IFREG)
717	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	963	const_iv (S_IFDIR)
718	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	964	const_iv (S_IFWHT)
719	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	965	const_iv (S_IFSOCK)
720		966	const_iv (S_IFMT)
721	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
722	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
723	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
724	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
725	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
726		967
727	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
728	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
729	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
730	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
735	const_iv (ST_IMMUTABLE)	976	const_iv (ST_IMMUTABLE)
736	const_iv (ST_NOATIME)	977	const_iv (ST_NOATIME)
737	const_iv (ST_NODIRATIME)	978	const_iv (ST_NODIRATIME)
738	const_iv (ST_RELATIME)	979	const_iv (ST_RELATIME)
739		980
		981	const_iv (PROT_NONE)
740	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
741	const_iv (PROT_NONE)
742	const_iv (PROT_READ)	983	const_iv (PROT_READ)
743	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
744		985
745	/*const_iv (MAP_FIXED)*/
746	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
747	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
748	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
749		990
750	/* linuxish */	991	/* linuxish */
751	const_iv (MAP_HUGETLB)
752	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
753	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
754	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
755	const_iv (MAP_NONBLOCK)	995	const_iv (MAP_NONBLOCK)
		996	const_iv (MAP_GROWSDOWN)
		997	const_iv (MAP_32BIT)
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_STACK)
756		1000
		1001	const_iv (FIFREEZE)
		1002	const_iv (FITHAW)
		1003	const_iv (FITRIM)
		1004	const_iv (FICLONE)
		1005	const_iv (FICLONERANGE)
		1006	const_iv (FIDEDUPERANGE)
		1007
		1008	const_iv (FS_IOC_GETFLAGS)
		1009	const_iv (FS_IOC_SETFLAGS)
		1010	const_iv (FS_IOC_GETVERSION)
		1011	const_iv (FS_IOC_SETVERSION)
		1012	const_iv (FS_IOC_FIEMAP)
		1013	const_iv (FS_IOC_FSGETXATTR)
		1014	const_iv (FS_IOC_FSSETXATTR)
		1015	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1016	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1017	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1018
		1019	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1020
		1021	const_iv (FS_SECRM_FL)
		1022	const_iv (FS_UNRM_FL)
		1023	const_iv (FS_COMPR_FL)
		1024	const_iv (FS_SYNC_FL)
		1025	const_iv (FS_IMMUTABLE_FL)
		1026	const_iv (FS_APPEND_FL)
		1027	const_iv (FS_NODUMP_FL)
		1028	const_iv (FS_NOATIME_FL)
		1029	const_iv (FS_DIRTY_FL)
		1030	const_iv (FS_COMPRBLK_FL)
		1031	const_iv (FS_NOCOMP_FL)
		1032	const_iv (FS_ENCRYPT_FL)
		1033	const_iv (FS_BTREE_FL)
		1034	const_iv (FS_INDEX_FL)
		1035	const_iv (FS_JOURNAL_DATA_FL)
		1036	const_iv (FS_NOTAIL_FL)
		1037	const_iv (FS_DIRSYNC_FL)
		1038	const_iv (FS_TOPDIR_FL)
		1039	const_iv (FS_FL_USER_MODIFIABLE)
		1040
		1041	const_iv (FS_XFLAG_REALTIME)
		1042	const_iv (FS_XFLAG_PREALLOC)
		1043	const_iv (FS_XFLAG_IMMUTABLE)
		1044	const_iv (FS_XFLAG_APPEND)
		1045	const_iv (FS_XFLAG_SYNC)
		1046	const_iv (FS_XFLAG_NOATIME)
		1047	const_iv (FS_XFLAG_NODUMP)
		1048	const_iv (FS_XFLAG_RTINHERIT)
		1049	const_iv (FS_XFLAG_PROJINHERIT)
		1050	const_iv (FS_XFLAG_NOSYMLINKS)
		1051	const_iv (FS_XFLAG_EXTSIZE)
		1052	const_iv (FS_XFLAG_EXTSZINHERIT)
		1053	const_iv (FS_XFLAG_NODEFRAG)
		1054	const_iv (FS_XFLAG_FILESTREAM)
		1055	const_iv (FS_XFLAG_DAX)
		1056	const_iv (FS_XFLAG_HASATTR)
		1057
		1058	const_iv (FIEMAP_FLAG_SYNC)
		1059	const_iv (FIEMAP_FLAG_XATTR)
		1060	const_iv (FIEMAP_FLAGS_COMPAT)
		1061	const_iv (FIEMAP_EXTENT_LAST)
		1062	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1063	const_iv (FIEMAP_EXTENT_DELALLOC)
		1064	const_iv (FIEMAP_EXTENT_ENCODED)
		1065	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1066	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1067	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1068	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1069	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1070	const_iv (FIEMAP_EXTENT_MERGED)
		1071	const_iv (FIEMAP_EXTENT_SHARED)
		1072
		1073	const_iv (SPLICE_F_MOVE)
		1074	const_iv (SPLICE_F_NONBLOCK)
		1075	const_iv (SPLICE_F_MORE)
		1076	const_iv (SPLICE_F_GIFT)
		1077
		1078	/* these are libeio constants, and are independent of gendef0 */
		1079	const_eio (SEEK_SET)
		1080	const_eio (SEEK_CUR)
		1081	const_eio (SEEK_END)
		1082
757	const_iv (MCL_FUTURE)	1083	const_eio (MCL_FUTURE)
758	const_iv (MCL_CURRENT)	1084	const_eio (MCL_CURRENT)
759		1085
760	const_eio (MS_ASYNC)	1086	const_eio (MS_ASYNC)
761	const_eio (MS_INVALIDATE)	1087	const_eio (MS_INVALIDATE)
762	const_eio (MS_SYNC)	1088	const_eio (MS_SYNC)
763		1089
764	const_eio (MT_MODIFY)	1090	const_eio (MT_MODIFY)
765		1091
766	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1092	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767	const_eio (SYNC_FILE_RANGE_WRITE)	1093	const_eio (SYNC_FILE_RANGE_WRITE)
768	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1094	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1095
		1096	const_eio (FALLOC_FL_KEEP_SIZE)
		1097	const_eio (FALLOC_FL_PUNCH_HOLE)
		1098	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1099	const_eio (FALLOC_FL_ZERO_RANGE)
769		1100
770	const_eio (READDIR_DENTS)	1101	const_eio (READDIR_DENTS)
771	const_eio (READDIR_DIRS_FIRST)	1102	const_eio (READDIR_DIRS_FIRST)
772	const_eio (READDIR_STAT_ORDER)	1103	const_eio (READDIR_STAT_ORDER)
773	const_eio (READDIR_FOUND_UNKNOWN)	1104	const_eio (READDIR_FOUND_UNKNOWN)
…		…
784	};	1115	};
785		1116
786	aio_stash = gv_stashpv ("IO::AIO" , 1);	1117	aio_stash = gv_stashpv ("IO::AIO" , 1);
787	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1118	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1119	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1120	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789		1121
790	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1122	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
791	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1123	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792		1124
793	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1125	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794		1126
795	create_respipe ();	1127	reinit ();
796
797	if (eio_init (want_poll, done_poll) < 0)
798	croak ("IO::AIO: unable to initialise eio library");
799
800	/* atfork child called in fifo order, so before eio's handler */
801	X_THREAD_ATFORK (0, 0, atfork_child);
802	}	1128	}
803		1129
804	void	1130	void
		1131	reinit ()
		1132	PROTOTYPE:
		1133
		1134	void
805	max_poll_reqs (int nreqs)	1135	max_poll_reqs (unsigned int nreqs)
806	PROTOTYPE: $	1136	PROTOTYPE: $
807	CODE:	1137	CODE:
808	eio_set_max_poll_reqs (nreqs);	1138	eio_set_max_poll_reqs (nreqs);
809		1139
810	void	1140	void
…		…
812	PROTOTYPE: $	1142	PROTOTYPE: $
813	CODE:	1143	CODE:
814	eio_set_max_poll_time (nseconds);	1144	eio_set_max_poll_time (nseconds);
815		1145
816	void	1146	void
817	min_parallel (int nthreads)	1147	min_parallel (unsigned int nthreads)
818	PROTOTYPE: $	1148	PROTOTYPE: $
819	CODE:	1149	CODE:
820	eio_set_min_parallel (nthreads);	1150	eio_set_min_parallel (nthreads);
821		1151
822	void	1152	void
823	max_parallel (int nthreads)	1153	max_parallel (unsigned int nthreads)
824	PROTOTYPE: $	1154	PROTOTYPE: $
825	CODE:	1155	CODE:
826	eio_set_max_parallel (nthreads);	1156	eio_set_max_parallel (nthreads);
827		1157
828	void	1158	void
829	max_idle (int nthreads)	1159	max_idle (unsigned int nthreads)
830	PROTOTYPE: $	1160	PROTOTYPE: $
831	CODE:	1161	CODE:
832	eio_set_max_idle (nthreads);	1162	eio_set_max_idle (nthreads);
833		1163
834	void	1164	void
		1165	idle_timeout (unsigned int seconds)
		1166	PROTOTYPE: $
		1167	CODE:
		1168	eio_set_idle_timeout (seconds);
		1169
		1170	void
835	max_outstanding (int maxreqs)	1171	max_outstanding (unsigned int maxreqs)
836	PROTOTYPE: $	1172	PROTOTYPE: $
837	CODE:	1173	CODE:
838	max_outstanding = maxreqs;	1174	max_outstanding = maxreqs;
839		1175
840	void	1176	void
841	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1177	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
842	PROTOTYPE: $$$;$
843	PPCODE:	1178	PPCODE:
844	{	1179	{
845	dREQ;	1180	dREQ;
846		1181
		1182	req->type = EIO_WD_OPEN;
		1183	req_set_path1 (req, pathname);
		1184
		1185	REQ_SEND;
		1186	}
		1187
		1188	void
		1189	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1190	PPCODE:
		1191	{
		1192	dREQ;
		1193
847	req->type = EIO_OPEN;	1194	req->type = EIO_OPEN;
848	req->sv1 = newSVsv (pathname);	1195	req_set_path1 (req, pathname);
849	req->ptr1 = SvPVbyte_nolen (req->sv1);
850	req->int1 = flags;	1196	req->int1 = flags;
851	req->int2 = mode;	1197	req->int2 = mode;
852		1198
853	REQ_SEND;	1199	REQ_SEND;
854	}	1200	}
855		1201
856	void	1202	void
857	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1203	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
858	PROTOTYPE: $;$
859	ALIAS:	1204	ALIAS:
860	aio_fsync = EIO_FSYNC	1205	aio_fsync = EIO_FSYNC
861	aio_fdatasync = EIO_FDATASYNC	1206	aio_fdatasync = EIO_FDATASYNC
		1207	aio_syncfs = EIO_SYNCFS
862	PPCODE:	1208	PPCODE:
863	{	1209	{
864	int fd = s_fileno_croak (fh, 0);	1210	int fd = s_fileno_croak (fh, 0);
865	dREQ;	1211	dREQ;
866		1212
867	req->type = ix;	1213	req->type = ix;
868	req->sv1 = newSVsv (fh);	1214	req->sv1 = newSVsv (fh);
869	req->int1 = fd;	1215	req->int1 = fd;
870		1216
871	REQ_SEND (req);	1217	REQ_SEND;
872	}	1218	}
873		1219
874	void	1220	void
875	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1221	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
876	PROTOTYPE: $$$$;$
877	PPCODE:	1222	PPCODE:
878	{	1223	{
879	int fd = s_fileno_croak (fh, 0);	1224	int fd = s_fileno_croak (fh, 0);
880	dREQ;	1225	dREQ;
881		1226
882	req->type = EIO_SYNC_FILE_RANGE;	1227	req->type = EIO_SYNC_FILE_RANGE;
883	req->sv1 = newSVsv (fh);	1228	req->sv1 = newSVsv (fh);
884	req->int1 = fd;	1229	req->int1 = fd;
885	req->offs = offset;	1230	req->offs = offset;
886	req->size = nbytes;	1231	req->size = nbytes;
887	req->int2 = flags;	1232	req->int2 = flags;
888		1233
889	REQ_SEND (req);	1234	REQ_SEND;
890	}	1235	}
891		1236
892	void	1237	void
893	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1238	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
894	PROTOTYPE: $;$
895	PPCODE:	1239	PPCODE:
896	{	1240	{
897	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898	int fd = s_fileno_croak (fh, 0);	1241	int fd = s_fileno_croak (fh, 0);
899	dREQ;	1242	dREQ;
900		1243
901	if (close_pipe < 0)	1244	req->type = EIO_FALLOCATE;
		1245	req->sv1 = newSVsv (fh);
		1246	req->int1 = fd;
		1247	req->int2 = mode;
		1248	req->offs = offset;
		1249	req->size = len;
		1250
		1251	REQ_SEND;
		1252	}
		1253
		1254	void
		1255	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1256	PPCODE:
		1257	{
		1258	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1259	int fd = s_fileno_croak (fh, 0);
		1260	dREQ;
		1261
		1262	if (expect_false (close_fd < 0))
902	{	1263	{
903	int pipefd [2];	1264	int pipefd [2];
904		1265
		1266	if (
		1267	#ifdef _WIN32
		1268	_pipe (pipefd, 1, _O_BINARY) < 0
		1269	#else
905	if (pipe (pipefd) < 0	1270	pipe (pipefd) < 0
906	|| close (pipefd [1]) < 0
907	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1271	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1272	#endif
		1273	|| close (pipefd [1]) < 0
		1274	)
908	abort (); /*D*/	1275	abort (); /*D*/
909		1276
910	close_pipe = pipefd [0];	1277	close_fd = pipefd [0];
911	}	1278	}
912		1279
913	req->type = EIO_DUP2;	1280	req->type = EIO_DUP2;
914	req->int1 = close_pipe;	1281	req->int1 = close_fd;
915	req->sv2 = newSVsv (fh);	1282	req->sv2 = newSVsv (fh);
916	req->int2 = fd;	1283	req->int2 = fd;
917		1284
918	REQ_SEND (req);	1285	REQ_SEND;
919	}	1286	}
920		1287
921	void	1288	void
		1289	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1290	PPCODE:
		1291	{
		1292	int fd = s_fileno_croak (fh, 0);
		1293	dREQ;
		1294
		1295	req->type = EIO_SEEK;
		1296	req->sv1 = newSVsv (fh);
		1297	req->int1 = fd;
		1298	req->offs = SvVAL64 (offset);
		1299	req->int2 = whence;
		1300
		1301	REQ_SEND;
		1302	}
		1303
		1304	void
922	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1305	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
923	ALIAS:	1306	ALIAS:
924	aio_read = EIO_READ	1307	aio_read = EIO_READ
925	aio_write = EIO_WRITE	1308	aio_write = EIO_WRITE
926	PROTOTYPE: $$$$$;$
927	PPCODE:	1309	PPCODE:
928	{	1310	{
929	STRLEN svlen;	1311	STRLEN svlen;
930	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1312	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931	char *svptr = SvPVbyte (data, svlen);	1313	char *svptr = SvPVbyte (data, svlen);
…		…
944	len = svlen - dataoffset;	1326	len = svlen - dataoffset;
945	}	1327	}
946	else	1328	else
947	{	1329	{
948	/* read: check type and grow scalar as necessary */	1330	/* read: check type and grow scalar as necessary */
949	SvUPGRADE (data, SVt_PV);	1331	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
950	svptr = SvGROW (data, len + dataoffset + 1);	1332	svptr = sv_grow (data, len + dataoffset + 1);
		1333	else if (SvCUR (data) < len + dataoffset)
		1334	croak ("length + dataoffset outside of scalar, and cannot grow");
951	}	1335	}
952		1336
953	{	1337	{
954	dREQ;	1338	dREQ;
955		1339
…		…
971	REQ_SEND;	1355	REQ_SEND;
972	}	1356	}
973	}	1357	}
974		1358
975	void	1359	void
976	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1360	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
977	PROTOTYPE: $$;$	1361	ALIAS:
		1362	aio_ioctl = EIO_IOCTL
		1363	aio_fcntl = EIO_FCNTL
978	PPCODE:	1364	PPCODE:
979	{	1365	{
980	SV *data;	1366	int fd = s_fileno_croak (fh, 0);
		1367	char *svptr;
		1368
		1369	if (SvPOK (arg) || !SvNIOK (arg))
		1370	{
		1371	STRLEN svlen;
		1372	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1373	#ifdef IOCPARM_LEN
		1374	STRLEN need = IOCPARM_LEN (request);
		1375	#else
		1376	STRLEN need = 256;
		1377	#endif
		1378
		1379	if (svlen < need)
		1380	svptr = SvGROW (arg, need);
		1381	}
		1382	else
		1383	svptr = (char *)SvIV (arg);
		1384
		1385	{
		1386	dREQ;
		1387
		1388	req->type = ix;
		1389	req->sv1 = newSVsv (fh);
		1390	req->int1 = fd;
		1391	req->int2 = (long)request;
		1392	req->sv2 = SvREFCNT_inc (arg);
		1393	req->ptr2 = svptr;
		1394
		1395	REQ_SEND;
		1396	}
		1397	}
		1398
		1399	void
		1400	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1401	ALIAS:
		1402	aio_readlink = EIO_READLINK
		1403	aio_realpath = EIO_REALPATH
		1404	PPCODE:
		1405	{
981	dREQ;	1406	dREQ;
982		1407
983	req->type = EIO_READLINK;	1408	req->type = ix;
984	req->sv1 = newSVsv (path);	1409	req_set_path1 (req, pathname);
985	req->ptr1 = SvPVbyte_nolen (req->sv1);
986		1410
987	REQ_SEND;	1411	REQ_SEND;
988	}	1412	}
989		1413
990	void	1414	void
991	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1415	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
992	PROTOTYPE: $$$$;$
993	PPCODE:	1416	PPCODE:
994	{	1417	{
995	int ifd = s_fileno_croak (in_fh , 0);	1418	int ifd = s_fileno_croak (in_fh , 0);
996	int ofd = s_fileno_croak (out_fh, 1);	1419	int ofd = s_fileno_croak (out_fh, 1);
997	dREQ;	1420	dREQ;
998		1421
999	req->type = EIO_SENDFILE;	1422	req->type = EIO_SENDFILE;
1000	req->sv1 = newSVsv (out_fh);	1423	req->sv1 = newSVsv (out_fh);
1001	req->int1 = ofd;	1424	req->int1 = ofd;
…		…
1006		1429
1007	REQ_SEND;	1430	REQ_SEND;
1008	}	1431	}
1009		1432
1010	void	1433	void
1011	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1434	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1012	PROTOTYPE: $$$;$
1013	PPCODE:	1435	PPCODE:
1014	{	1436	{
1015	int fd = s_fileno_croak (fh, 0);	1437	int fd = s_fileno_croak (fh, 0);
1016	dREQ;	1438	dREQ;
1017		1439
1018	req->type = EIO_READAHEAD;	1440	req->type = EIO_READAHEAD;
1019	req->sv1 = newSVsv (fh);	1441	req->sv1 = newSVsv (fh);
1020	req->int1 = fd;	1442	req->int1 = fd;
…		…
1023		1445
1024	REQ_SEND;	1446	REQ_SEND;
1025	}	1447	}
1026		1448
1027	void	1449	void
1028	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1450	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1029	ALIAS:	1451	ALIAS:
1030	aio_stat = EIO_STAT	1452	aio_stat = EIO_STAT
1031	aio_lstat = EIO_LSTAT	1453	aio_lstat = EIO_LSTAT
1032	aio_statvfs = EIO_STATVFS	1454	aio_statvfs = EIO_STATVFS
1033	PPCODE:	1455	PPCODE:
1034	{	1456	{
1035	dREQ;	1457	dREQ;
1036		1458
1037	req->sv1 = newSVsv (fh_or_path);	1459	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1038
1039	if (SvPOK (req->sv1))
1040	{
1041	req->type = ix;
1042	req->ptr1 = SvPVbyte_nolen (req->sv1);
1043	}
1044	else
1045	{
1046	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1047	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1048	}
1049		1460
1050	REQ_SEND;	1461	REQ_SEND;
1051	}	1462	}
1052		1463
		1464	UV
		1465	major (UV dev)
		1466	ALIAS:
		1467	minor = 1
		1468	CODE:
		1469	RETVAL = ix ? minor (dev) : major (dev);
		1470	OUTPUT:
		1471	RETVAL
		1472
		1473	UV
		1474	makedev (UV maj, UV min)
		1475	CODE:
		1476	RETVAL = makedev (maj, min);
		1477	OUTPUT:
		1478	RETVAL
		1479
1053	void	1480	void
1054	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1481	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1055	PPCODE:	1482	PPCODE:
1056	{	1483	{
1057	dREQ;	1484	dREQ;
1058		1485
1059	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1486	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1487	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061	req->sv1 = newSVsv (fh_or_path);	1488	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1062
1063	if (SvPOK (req->sv1))
1064	{
1065	req->type = EIO_UTIME;
1066	req->ptr1 = SvPVbyte_nolen (req->sv1);
1067	}
1068	else
1069	{
1070	req->type = EIO_FUTIME;
1071	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072	}
1073		1489
1074	REQ_SEND;	1490	REQ_SEND;
1075	}	1491	}
1076		1492
1077	void	1493	void
1078	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1494	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1079	PPCODE:	1495	PPCODE:
1080	{	1496	{
1081	dREQ;	1497	dREQ;
1082		1498
1083	req->sv1 = newSVsv (fh_or_path);
1084	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1499	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085		1500	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1086	if (SvPOK (req->sv1))
1087	{
1088	req->type = EIO_TRUNCATE;
1089	req->ptr1 = SvPVbyte_nolen (req->sv1);
1090	}
1091	else
1092	{
1093	req->type = EIO_FTRUNCATE;
1094	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095	}
1096		1501
1097	REQ_SEND;	1502	REQ_SEND;
1098	}	1503	}
1099		1504
1100	void	1505	void
1101	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1506	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1102	ALIAS:
1103	aio_chmod = EIO_CHMOD
1104	aio_mkdir = EIO_MKDIR
1105	PPCODE:	1507	PPCODE:
1106	{	1508	{
1107	dREQ;	1509	dREQ;
1108		1510
1109	req->int2 = mode;	1511	req->int2 = mode;
1110	req->sv1 = newSVsv (fh_or_path);	1512	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1111
1112	if (SvPOK (req->sv1))
1113	{
1114	req->type = ix;
1115	req->ptr1 = SvPVbyte_nolen (req->sv1);
1116	}
1117	else
1118	{
1119	req->type = EIO_FCHMOD;
1120	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1121	}
1122		1513
1123	REQ_SEND;	1514	REQ_SEND;
1124	}	1515	}
1125		1516
1126	void	1517	void
1127	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1518	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1128	PPCODE:	1519	PPCODE:
1129	{	1520	{
1130	dREQ;	1521	dREQ;
1131		1522
1132	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1523	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1524	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134	req->sv1 = newSVsv (fh_or_path);	1525	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1135
1136	if (SvPOK (req->sv1))
1137	{
1138	req->type = EIO_CHOWN;
1139	req->ptr1 = SvPVbyte_nolen (req->sv1);
1140	}
1141	else
1142	{
1143	req->type = EIO_FCHOWN;
1144	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1145	}
1146		1526
1147	REQ_SEND;	1527	REQ_SEND;
1148	}	1528	}
1149		1529
1150	void	1530	void
1151	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1531	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1152	PPCODE:	1532	PPCODE:
1153	{	1533	{
1154	dREQ;	1534	dREQ;
1155		1535
1156	req->type = EIO_READDIR;	1536	req->type = EIO_READDIR;
1157	req->sv1 = newSVsv (pathname);
1158	req->ptr1 = SvPVbyte_nolen (req->sv1);
1159	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1537	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160		1538
1161	if (flags & EIO_READDIR_DENTS)	1539	if (flags & EIO_READDIR_DENTS)
1162	req->int1 |= EIO_READDIR_CUSTOM2;	1540	req->int1 |= EIO_READDIR_CUSTOM2;
1163		1541
		1542	req_set_path1 (req, pathname);
		1543
1164	REQ_SEND;	1544	REQ_SEND;
1165	}	1545	}
1166		1546
1167	void	1547	void
		1548	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1549	PPCODE:
		1550	{
		1551	dREQ;
		1552
		1553	req->type = EIO_MKDIR;
		1554	req->int2 = mode;
		1555	req_set_path1 (req, pathname);
		1556
		1557	REQ_SEND;
		1558	}
		1559
		1560	void
1168	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1561	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1169	ALIAS:	1562	ALIAS:
1170	aio_unlink = EIO_UNLINK	1563	aio_unlink = EIO_UNLINK
1171	aio_rmdir = EIO_RMDIR	1564	aio_rmdir = EIO_RMDIR
1172	aio_readdir = EIO_READDIR	1565	aio_readdir = EIO_READDIR
1173	PPCODE:	1566	PPCODE:
1174	{	1567	{
1175	dREQ;	1568	dREQ;
1176		1569
1177	req->type = ix;	1570	req->type = ix;
1178	req->sv1 = newSVsv (pathname);	1571	req_set_path1 (req, pathname);
1179	req->ptr1 = SvPVbyte_nolen (req->sv1);
1180		1572
1181	REQ_SEND;	1573	REQ_SEND;
1182	}	1574	}
1183		1575
1184	void	1576	void
1185	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1577	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1186	ALIAS:	1578	ALIAS:
1187	aio_link = EIO_LINK	1579	aio_link = EIO_LINK
1188	aio_symlink = EIO_SYMLINK	1580	aio_symlink = EIO_SYMLINK
1189	aio_rename = EIO_RENAME	1581	aio_rename = EIO_RENAME
1190	PPCODE:	1582	PPCODE:
1191	{	1583	{
		1584	eio_wd wd2 = 0;
1192	dREQ;	1585	dREQ;
1193		1586
1194	req->type = ix;	1587	req->type = ix;
1195	req->sv1 = newSVsv (oldpath);	1588	req_set_path1 (req, oldpath);
1196	req->ptr1 = SvPVbyte_nolen (req->sv1);	1589	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197	req->sv2 = newSVsv (newpath);	1590	req->int3 = (long)wd2;
1198	req->ptr2 = SvPVbyte_nolen (req->sv2);
1199		1591
1200	REQ_SEND;	1592	REQ_SEND;
1201	}	1593	}
1202		1594
1203	void	1595	void
1204	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1596	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1205	PPCODE:	1597	PPCODE:
1206	{	1598	{
1207	dREQ;	1599	dREQ;
1208		1600
1209	req->type = EIO_MKNOD;	1601	req->type = EIO_MKNOD;
1210	req->sv1 = newSVsv (pathname);
1211	req->ptr1 = SvPVbyte_nolen (req->sv1);
1212	req->int2 = (mode_t)mode;	1602	req->int2 = (mode_t)mode;
1213	req->offs = dev;	1603	req->offs = dev;
		1604	req_set_path1 (req, pathname);
1214		1605
1215	REQ_SEND;	1606	REQ_SEND;
1216	}	1607	}
1217		1608
1218	void	1609	void
1219	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1610	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1220	ALIAS:	1611	ALIAS:
1221	aio_mtouch = EIO_MTOUCH	1612	aio_mtouch = EIO_MTOUCH
1222	aio_msync = EIO_MSYNC	1613	aio_msync = EIO_MSYNC
1223	PROTOTYPE: $$$$;$
1224	PPCODE:	1614	PPCODE:
1225	{	1615	{
1226	STRLEN svlen;	1616	STRLEN svlen;
		1617	char *svptr = SvPVbyte (data, svlen);
1227	UV len = SvUV (length);	1618	UV len = SvUV (length);
1228	char *svptr = SvPVbyte (data, svlen);
1229		1619
1230	if (offset < 0)	1620	if (offset < 0)
1231	offset += svlen;	1621	offset += svlen;
1232		1622
1233	if (offset < 0 || offset > svlen)	1623	if (offset < 0 || offset > svlen)
…		…
1238		1628
1239	{	1629	{
1240	dREQ;	1630	dREQ;
1241		1631
1242	req->type = ix;	1632	req->type = ix;
1243	req->size = len;
1244	req->sv2 = SvREFCNT_inc (data);	1633	req->sv2 = SvREFCNT_inc (data);
1245	req->ptr2 = (char *)svptr + offset;	1634	req->ptr2 = (char *)svptr + offset;
		1635	req->size = len;
1246	req->int1 = flags;	1636	req->int1 = flags;
1247		1637
1248	REQ_SEND;	1638	REQ_SEND;
1249	}	1639	}
1250	}	1640	}
1251		1641
1252	void	1642	void
		1643	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1644	PPCODE:
		1645	{
		1646	STRLEN svlen;
		1647	char *svptr = SvPVbyte (data, svlen);
		1648	UV len = SvUV (length);
		1649
		1650	if (offset < 0)
		1651	offset += svlen;
		1652
		1653	if (offset < 0 || offset > svlen)
		1654	croak ("offset outside of scalar");
		1655
		1656	if (!SvOK (length) || len + offset > svlen)
		1657	len = svlen - offset;
		1658
		1659	{
		1660	dREQ;
		1661
		1662	req->type = EIO_MLOCK;
		1663	req->sv2 = SvREFCNT_inc (data);
		1664	req->ptr2 = (char *)svptr + offset;
		1665	req->size = len;
		1666
		1667	REQ_SEND;
		1668	}
		1669	}
		1670
		1671	void
		1672	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1673	PPCODE:
		1674	{
		1675	dREQ;
		1676
		1677	req->type = EIO_MLOCKALL;
		1678	req->int1 = flags;
		1679
		1680	REQ_SEND;
		1681	}
		1682
		1683	void
		1684	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1685	PPCODE:
		1686	{
		1687	int fd = s_fileno_croak (fh, 0);
		1688	dREQ;
		1689
		1690	req->type = EIO_CUSTOM;
		1691	req->sv1 = newSVsv (fh);
		1692	req->int1 = fd;
		1693
		1694	req->feed = fiemap;
		1695	#if HAVE_FIEMAP
		1696	/* keep our fingers crossed that the next two types are 64 bit */
		1697	req->offs = start;
		1698	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1699	req->int2 = flags;
		1700	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1701	#endif
		1702
		1703	REQ_SEND;
		1704	}
		1705
		1706	void
1253	aio_busy (double delay, SV *callback=&PL_sv_undef)	1707	aio_busy (double delay, SV *callback = &PL_sv_undef)
1254	PPCODE:	1708	PPCODE:
1255	{	1709	{
1256	dREQ;	1710	dREQ;
1257		1711
1258	req->type = EIO_BUSY;	1712	req->type = EIO_BUSY;
…		…
1260		1714
1261	REQ_SEND;	1715	REQ_SEND;
1262	}	1716	}
1263		1717
1264	void	1718	void
1265	aio_group (SV *callback=&PL_sv_undef)	1719	aio_group (SV *callback = &PL_sv_undef)
1266	PROTOTYPE: ;$
1267	PPCODE:	1720	PPCODE:
1268	{	1721	{
1269	dREQ;	1722	dREQ;
1270		1723
1271	req->type = EIO_GROUP;	1724	req->type = EIO_GROUP;
1272		1725
		1726	PUTBACK;
1273	req_submit (req);	1727	req_submit (req);
		1728	SPAGAIN;
		1729
1274	XPUSHs (req_sv (req, aio_grp_stash));	1730	XPUSHs (req_sv (req, aio_grp_stash));
1275	}	1731	}
1276		1732
1277	void	1733	void
1278	aio_nop (SV *callback=&PL_sv_undef)	1734	aio_nop (SV *callback = &PL_sv_undef)
1279	ALIAS:	1735	ALIAS:
1280	aio_nop = EIO_NOP	1736	aio_nop = EIO_NOP
1281	aio_sync = EIO_SYNC	1737	aio_sync = EIO_SYNC
1282	PPCODE:	1738	PPCODE:
1283	{	1739	{
…		…
1287		1743
1288	REQ_SEND;	1744	REQ_SEND;
1289	}	1745	}
1290		1746
1291	int	1747	int
1292	aioreq_pri (int pri = 0)	1748	aioreq_pri (int pri = NO_INIT)
1293	PROTOTYPE: ;$
1294	CODE:	1749	CODE:
1295	RETVAL = next_pri;	1750	RETVAL = next_pri;
1296	if (items > 0)	1751	if (items > 0)
1297	{	1752	{
1298	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1753	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1310	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1765	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311	next_pri = nice;	1766	next_pri = nice;
1312		1767
1313	void	1768	void
1314	flush ()	1769	flush ()
1315	PROTOTYPE:
1316	CODE:	1770	CODE:
1317	while (eio_nreqs ())	1771	while (eio_nreqs ())
1318	{	1772	{
1319	poll_wait ();	1773	poll_wait ();
1320	poll_cb ();	1774	poll_cb ();
1321	}	1775	}
1322		1776
1323	int	1777	int
1324	poll()	1778	poll ()
1325	PROTOTYPE:
1326	CODE:	1779	CODE:
1327	poll_wait ();	1780	poll_wait ();
1328	RETVAL = poll_cb ();	1781	RETVAL = poll_cb ();
1329	OUTPUT:	1782	OUTPUT:
1330	RETVAL	1783	RETVAL
1331		1784
1332	int	1785	int
1333	poll_fileno()	1786	poll_fileno ()
1334	PROTOTYPE:
1335	CODE:	1787	CODE:
1336	RETVAL = s_epipe_fd (&respipe);	1788	RETVAL = s_epipe_fd (&respipe);
1337	OUTPUT:	1789	OUTPUT:
1338	RETVAL	1790	RETVAL
1339		1791
1340	int	1792	int
1341	poll_cb(...)	1793	poll_cb (...)
1342	PROTOTYPE:	1794	PROTOTYPE:
1343	CODE:	1795	CODE:
1344	RETVAL = poll_cb ();	1796	RETVAL = poll_cb ();
1345	OUTPUT:	1797	OUTPUT:
1346	RETVAL	1798	RETVAL
1347		1799
1348	void	1800	void
1349	poll_wait()	1801	poll_wait ()
1350	PROTOTYPE:
1351	CODE:	1802	CODE:
1352	poll_wait ();	1803	poll_wait ();
1353		1804
1354	int	1805	int
1355	nreqs()	1806	nreqs ()
1356	PROTOTYPE:
1357	CODE:	1807	CODE:
1358	RETVAL = eio_nreqs ();	1808	RETVAL = eio_nreqs ();
1359	OUTPUT:	1809	OUTPUT:
1360	RETVAL	1810	RETVAL
1361		1811
1362	int	1812	int
1363	nready()	1813	nready ()
1364	PROTOTYPE:
1365	CODE:	1814	CODE:
1366	RETVAL = eio_nready ();	1815	RETVAL = eio_nready ();
1367	OUTPUT:	1816	OUTPUT:
1368	RETVAL	1817	RETVAL
1369		1818
1370	int	1819	int
1371	npending()	1820	npending ()
1372	PROTOTYPE:
1373	CODE:	1821	CODE:
1374	RETVAL = eio_npending ();	1822	RETVAL = eio_npending ();
1375	OUTPUT:	1823	OUTPUT:
1376	RETVAL	1824	RETVAL
1377		1825
1378	int	1826	int
1379	nthreads()	1827	nthreads ()
1380	PROTOTYPE:
1381	CODE:	1828	CODE:
1382	RETVAL = eio_nthreads ();	1829	RETVAL = eio_nthreads ();
1383	OUTPUT:	1830	OUTPUT:
1384	RETVAL	1831	RETVAL
1385		1832
1386	int	1833	int
1387	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1834	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388	PROTOTYPE: $$$$
1389	CODE:	1835	CODE:
1390	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391	RETVAL = posix_fadvise (fh, offset, length, advice);	1836	RETVAL = posix_fadvise (fh, offset, length, advice);
1392	#else
1393	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394	#endif
1395	OUTPUT:	1837	OUTPUT:
1396	RETVAL	1838	RETVAL
1397		1839
1398	ssize_t	1840	IV
1399	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1841	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400	PROTOTYPE: $$$$
1401	CODE:	1842	CODE:
1402	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1843	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403	OUTPUT:	1844	OUTPUT:
1404	RETVAL	1845	RETVAL
1405		1846
1406	void	1847	void
1407	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1848	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1408	PROTOTYPE: $$$$$;$
1409	PPCODE:	1849	PPCODE:
1410	sv_unmagic (scalar, MMAP_MAGIC);	1850	sv_unmagic (scalar, MMAP_MAGIC);
1411	{	1851	{
1412	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1852	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1853	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1436	XSRETURN_YES;	1876	XSRETURN_YES;
1437	}	1877	}
1438		1878
1439	void	1879	void
1440	munmap (SV *scalar)	1880	munmap (SV *scalar)
1441	PROTOTYPE: $
1442	CODE:	1881	CODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	1882	sv_unmagic (scalar, MMAP_MAGIC);
1444		1883
1445	int	1884	int
1446	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1885	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447	PROTOTYPE: $$$$	1886	ALIAS:
		1887	mprotect = 1
1448	CODE:	1888	CODE:
1449	{	1889	{
1450	char *addr = SvPV_nolen (scalar) + offset;	1890	STRLEN svlen;
		1891	void *addr = SvPVbyte (scalar, svlen);
		1892	STRLEN len = SvUV (length);
1451		1893
1452	if (!SvOK (ST (2)))	1894	if (offset < 0)
		1895	offset += svlen;
		1896
		1897	if (offset < 0 || offset > svlen)
		1898	croak ("offset outside of scalar");
		1899
		1900	if (!SvOK (length) || len + offset > svlen)
1453	length = SvCUR (scalar) - offset;	1901	len = svlen - offset;
1454		1902
1455	if (addr >= SvEND (scalar) || length <= 0)	1903	addr = (void *)(((intptr_t)addr) + offset);
1456	XSRETURN_EMPTY;	1904	eio_page_align (&addr, &len);
1457		1905
1458	#if _XOPEN_SOURCE >= 600 && !NO_MADVISE	1906	switch (ix)
		1907	{
1459	RETVAL = posix_madvise (addr, length, advice);	1908	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460	#else	1909	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461	RETVAL = errno = ENOSYS; /* yes, this is actually correct */	1910	}
1462	#endif
1463	}	1911	}
1464	OUTPUT:	1912	OUTPUT:
1465	RETVAL	1913	RETVAL
1466		1914
1467	int	1915	int
1468	mlockall (int flags)	1916	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1917	CODE:
		1918	{
		1919	STRLEN svlen;
		1920	void *addr = SvPVbyte (scalar, svlen);
		1921	size_t len = SvUV (length);
		1922
		1923	if (offset < 0)
		1924	offset += svlen;
		1925
		1926	if (offset < 0 || offset > svlen)
		1927	croak ("offset outside of scalar");
		1928
		1929	if (!SvOK (length) || len + offset > svlen)
		1930	len = svlen - offset;
		1931
		1932	addr = (void *)(((intptr_t)addr) + offset);
		1933	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1934	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1935	RETVAL = munlock (addr, len);
1473	extern int mallopt (int, int);
1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475	#endif
1476	mlockall (flags);
1477	#else	1936	#else
1478	RETVAL = -1;	1937	RETVAL = EIO_ENOSYS ();
1479	errno = ENOSYS;
1480	#endif	1938	#endif
		1939	}
1481	OUTPUT:	1940	OUTPUT:
1482	RETVAL	1941	RETVAL
1483		1942
1484	int	1943	int
1485	munlockall ()	1944	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1945	CODE:
1488	#if _POSIX_MEMLOCK	1946	#if _POSIX_MEMLOCK
1489	munlockall ();	1947	munlockall ();
1490	#else	1948	#else
1491	RETVAL = -1;	1949	RETVAL = EIO_ENOSYS ();
1492	errno = ENOSYS;
1493	#endif	1950	#endif
1494	OUTPUT:	1951	OUTPUT:
1495	RETVAL	1952	RETVAL
		1953
		1954	int
		1955	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1956	CODE:
		1957	{
		1958	#if HAVE_LINUX_SPLICE
		1959	loff_t off_in_, off_out_;
		1960	RETVAL = splice (
		1961	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1962	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1963	length, flags
		1964	);
		1965	#else
		1966	RETVAL = EIO_ENOSYS ();
		1967	#endif
		1968	}
		1969	OUTPUT:
		1970	RETVAL
		1971
		1972	int
		1973	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1974	CODE:
		1975	#if HAVE_LINUX_SPLICE
		1976	RETVAL = tee (rfh, wfh, length, flags);
		1977	#else
		1978	RETVAL = EIO_ENOSYS ();
		1979	#endif
		1980	OUTPUT:
		1981	RETVAL
		1982
		1983	int
		1984	pipesize (aio_rfd rfh, int new_size = -1)
		1985	PROTOTYPE: $;$
		1986	CODE:
		1987	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1988	if (new_size >= 0)
		1989	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1990	else
		1991	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1992	#else
		1993	errno = ENOSYS;
		1994	RETVAL = -1;
		1995	#endif
		1996	OUTPUT:
		1997	RETVAL
		1998
		1999	void
		2000	pipe2 (int flags = 0)
		2001	PROTOTYPE: ;$
		2002	PPCODE:
		2003	{
		2004	int fd[2];
		2005	int res;
		2006
		2007	if (flags)
		2008	#if HAVE_PIPE2
		2009	res = pipe2 (fd, flags);
		2010	#else
		2011	res = (errno = ENOSYS, -1);
		2012	#endif
		2013	else
		2014	res = pipe (fd);
		2015
		2016	if (!res)
		2017	{
		2018	EXTEND (SP, 2);
		2019	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2020	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2021	}
		2022	}
1496		2023
1497	void _on_next_submit (SV *cb)	2024	void _on_next_submit (SV *cb)
1498	CODE:	2025	CODE:
1499	SvREFCNT_dec (on_next_submit);	2026	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2027	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		2028
1502	PROTOTYPES: DISABLE	2029	PROTOTYPES: DISABLE
1503		2030
		2031	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2032
		2033	BOOT:
		2034	{
		2035	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2036	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2037	}
		2038
		2039	void
		2040	DESTROY (SV *self)
		2041	CODE:
		2042	{
		2043	aio_wd wd = SvAIO_WD (self);
		2044	#if HAVE_AT
		2045	{
		2046	SV *callback = &PL_sv_undef;
		2047	dREQ; /* clobbers next_pri :/ */
		2048	next_pri = req->pri; /* restore next_pri */
		2049	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2050	req->type = EIO_WD_CLOSE;
		2051	req->wd = wd;
		2052	REQ_SEND;
		2053	}
		2054	#else
		2055	eio_wd_close_sync (wd);
		2056	#endif
		2057	}
		2058
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2059	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		2060
1506	void	2061	void
1507	cancel (aio_req_ornot req)	2062	cancel (aio_req_ornot req)
1508	CODE:	2063	CODE:
1509	eio_cancel (req);	2064	eio_cancel (req);
1510		2065
1511	void	2066	void
1512	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2067	cb (aio_req_ornot req, SV *callback = NO_INIT)
1513	PPCODE:	2068	PPCODE:
1514	{	2069	{
1515	if (GIMME_V != G_VOID)	2070	if (GIMME_V != G_VOID)
1516	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2071	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517		2072
1518	if (items > 1)	2073	if (items > 1)
1519	{	2074	{
1520	SV *cb_cv =get_cb (callback);	2075	SV *cb_cv = get_cb (callback);
1521		2076
1522	SvREFCNT_dec (req->callback);	2077	SvREFCNT_dec (req->callback);
1523	req->callback = SvREFCNT_inc (cb_cv);	2078	req->callback = SvREFCNT_inc (cb_cv);
1524	}	2079	}
1525	}	2080	}
…		…
1582	limit (aio_req grp, int limit)	2137	limit (aio_req grp, int limit)
1583	CODE:	2138	CODE:
1584	eio_grp_limit (grp, limit);	2139	eio_grp_limit (grp, limit);
1585		2140
1586	void	2141	void
1587	feed (aio_req grp, SV *callback=&PL_sv_undef)	2142	feed (aio_req grp, SV *callback = &PL_sv_undef)
1588	CODE:	2143	CODE:
1589	{	2144	{
1590	SvREFCNT_dec (grp->sv2);	2145	SvREFCNT_dec (grp->sv2);
1591	grp->sv2 = newSVsv (callback);	2146	grp->sv2 = newSVsv (callback);
1592	grp->feed = aio_grp_feed;	2147	grp->feed = aio_grp_feed;

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