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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.185 by root, Thu Jul 7 22:36:18 2011 UTC vs.
Revision 1.228 by root, Fri Jan 24 23:46:16 2014 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_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
		31	#endif
		32
25	/* perl namespace pollution */	33	/* perl namespace pollution */
26	#undef VERSION	34	#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		35
77	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	38	#undef readdir
80	#undef opendir	39	#undef opendir
81	#undef closedir	40	#undef closedir
82		41
		42	#ifdef _WIN32
		43
		44	// perl overrides all those nice libc functions
		45
		46	#undef malloc
		47	#undef free
		48	#undef open
		49	#undef read
		50	#undef write
		51	#undef send
		52	#undef recv
		53	#undef stat
		54	#undef lstat
		55	#undef fstat
		56	#undef truncate
		57	#undef ftruncate
		58	#undef open
		59	#undef link
		60	#undef close
		61	#undef unlink
		62	#undef mkdir
		63	#undef rmdir
		64	#undef rename
		65	#undef lseek
		66	#undef opendir
		67	#undef readdir
		68	#undef closedir
		69	#undef chmod
		70	#undef fchmod
		71	#undef dup
		72	#undef dup2
		73	#undef abort
		74	#undef pipe
		75
		76	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STATI64
84		78
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	79	#else
91	# define VAL64 NV	80
92	# define SvVAL64 SvNV	81	#include <sys/time.h>
93	# define newSVval64 newSVnv	82	#include <sys/select.h>
		83	#include <unistd.h>
		84	#include <utime.h>
		85	#include <signal.h>
		86
		87	#define EIO_STRUCT_STAT Stat_t
		88
94	#endif	89	#endif
95		90
96	/*****************************************************************************/	91	/*****************************************************************************/
97		92
98	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
108		103
109	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
112		107
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		109
115	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
116	SV *callback; \	111	SV *callback; \
117	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
118	STRLEN stroffset; \	114	STRLEN stroffset; \
119	SV *self;	115	SV *self;
120		116
121	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
122		118
123	#include "libeio/config.h"	119	#include "libeio/config.h"
124	#include "libeio/eio.h"	120	#include "libeio/eio.h"
125		121
126	/* Linux/others */	122	static int req_invoke (eio_req *req);
127	#ifndef O_ASYNC	123	#define EIO_FINISH(req) req_invoke (req)
128	# define O_ASYNC 0	124	static void req_destroy (eio_req *grp);
129	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
130	#ifndef O_DIRECT
131	# define O_DIRECT 0
132	#endif
133	#ifndef O_NOATIME
134	# define O_NOATIME 0
135	#endif
136		126
137	/* POSIX */	127	#include "libeio/eio.c"
138	#ifndef O_CLOEXEC
139	# define O_CLOEXEC 0
140	#endif
141	#ifndef O_NOFOLLOW
142	# define O_NOFOLLOW 0
143	#endif
144	#ifndef O_NOCTTY
145	# define O_NOCTTY 0
146	#endif
147	#ifndef O_NONBLOCK
148	# define O_NONBLOCK 0
149	#endif
150	#ifndef O_EXEC
151	# define O_EXEC 0
152	#endif
153	#ifndef O_SEARCH
154	# define O_SEARCH 0
155	#endif
156	#ifndef O_DIRECTORY
157	# define O_DIRECTORY 0
158	#endif
159	#ifndef O_DSYNC
160	# define O_DSYNC 0
161	#endif
162	#ifndef O_RSYNC
163	# define O_RSYNC 0
164	#endif
165	#ifndef O_SYNC
166	# define O_SYNC 0
167	#endif
168	#ifndef O_TTY_INIT
169	# define O_TTY_INIT 0
170	#endif
171
172	#ifndef POSIX_FADV_NORMAL
173	# define POSIX_FADV_NORMAL 0
174	#endif
175	#ifndef POSIX_FADV_SEQUENTIAL
176	# define POSIX_FADV_SEQUENTIAL 0
177	#endif
178	#ifndef POSIX_FADV_RANDOM
179	# define POSIX_FADV_RANDOM 0
180	#endif
181	#ifndef POSIX_FADV_NOREUSE
182	# define POSIX_FADV_NOREUSE 0
183	#endif
184	#ifndef POSIX_FADV_WILLNEED
185	# define POSIX_FADV_WILLNEED 0
186	#endif
187	#ifndef POSIX_FADV_DONTNEED
188	# define POSIX_FADV_DONTNEED 0
189	#endif
190		128
191	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
192	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193	#endif	131	#endif
194		132
195	#ifndef POSIX_MADV_NORMAL
196	# define POSIX_MADV_NORMAL 0
197	#endif
198	#ifndef POSIX_MADV_SEQUENTIAL
199	# define POSIX_MADV_SEQUENTIAL 0
200	#endif
201	#ifndef POSIX_MADV_RANDOM
202	# define POSIX_MADV_RANDOM 0
203	#endif
204	#ifndef POSIX_MADV_WILLNEED
205	# define POSIX_MADV_WILLNEED 0
206	#endif
207	#ifndef POSIX_MADV_DONTNEED
208	# define POSIX_MADV_DONTNEED 0
209	#endif
210
211	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
212	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213	#endif
214
215	#ifndef PROT_NONE
216	# define PROT_NONE 0
217	#endif
218	#ifndef PROT_READ
219	# define PROT_READ 0
220	#endif
221	#ifndef PROT_WRITE
222	# define PROT_READ 0
223	#endif
224	#ifndef PROT_EXEC
225	# define PROT_EXEC 0
226	#endif
227
228	#ifndef ST_NODEV
229	# define ST_NODEV 0
230	#endif
231	#ifndef ST_NOEXEC
232	# define ST_NOEXEC 0
233	#endif
234	#ifndef ST_SYNCHRONOUS
235	# define ST_SYNCHRONOUS 0
236	#endif
237	#ifndef ST_MANDLOCK
238	# define ST_MANDLOCK 0
239	#endif
240	#ifndef ST_WRITE
241	# define ST_WRITE 0
242	#endif
243	#ifndef ST_APPEND
244	# define ST_APPEND 0
245	#endif
246	#ifndef ST_IMMUTABLE
247	# define ST_IMMUTABLE 0
248	#endif
249	#ifndef ST_NOATIME
250	# define ST_NOATIME 0
251	#endif
252	#ifndef ST_NODIRATIME
253	# define ST_NODIRATIME 0
254	#endif
255	#ifndef ST_RELATIME
256	# define ST_RELATIME 0
257	#endif
258
259	#ifndef S_IFIFO
260	# define S_IFIFO 0
261	#endif
262	#ifndef S_IFCHR
263	# define S_IFCHR 0
264	#endif
265	#ifndef S_IFBLK
266	# define S_IFBLK 0
267	#endif
268	#ifndef S_IFLNK
269	# define S_IFLNK 0
270	#endif
271	#ifndef S_IFREG
272	# define S_IFREG 0
273	#endif
274	#ifndef S_IFDIR
275	# define S_IFDIR 0
276	#endif
277	#ifndef S_IFWHT
278	# define S_IFWHT 0
279	#endif
280	#ifndef S_IFSOCK
281	# define S_IFSOCK 0
282	#endif	135	#endif
283		136
284	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
285	# ifdef MAP_ANON	138	# ifdef MAP_ANON
286	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
287	# else	140	# else
288	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289	# endif	142	# endif
290	#endif	143	#endif
291	#ifndef MAP_HUGETLB	144
292	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
293	#endif	146	#include "def0.h"
294	#ifndef MAP_LOCKED
295	# define MAP_LOCKED 0
296	#endif
297	#ifndef MAP_NORESERVE
298	# define MAP_NORESERVE 0
299	#endif
300	#ifndef MAP_POPULATE
301	# define MAP_POPULATE 0
302	#endif
303	#ifndef MAP_NONBLOCK
304	# define MAP_NONBLOCK 0
305	#endif
306		147
307	#ifndef makedev	148	#ifndef makedev
308	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
309	#endif	150	#endif
310	#ifndef major	151	#ifndef major
…		…
312	#endif	153	#endif
313	#ifndef minor	154	#ifndef minor
314	# define minor(dev) ((dev) & 0xff)	155	# define minor(dev) ((dev) & 0xff)
315	#endif	156	#endif
316		157
317	#ifndef PAGESIZE	158	#if PAGESIZE <= 0
318	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
319	#endif	160	#endif
320		161
321	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
322	#define EIO_FINISH(req) req_invoke (req)	163
323	static void req_destroy (eio_req *grp);	164	static void
324	#define EIO_DESTROY(req) req_destroy (req)	165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	/* assume some c99 */
		171	struct fiemap *fiemap = 0;
		172	size_t end_offset;
		173	int count = req->int3;
		174
		175	req->flags |= EIO_FLAG_PTR1_FREE;
		176
		177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		178	/* increase in 3.5kb steps */
		179	if (count < 0)
		180	count = 8;
		181
		182	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		183	errno = ENOMEM;
		184	if (!fiemap)
		185	return;
		186
		187	req->ptr1 = fiemap;
		188
		189	fiemap->fm_start = req->offs;
		190	fiemap->fm_length = req->size;
		191	fiemap->fm_flags = req->int2;
		192	fiemap->fm_extent_count = count;
		193
		194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		195	return;
		196
		197	if (req->int3 >= 0 /* not autosizing */
		198	|| !fiemap->fm_mapped_extents /* no more extents */
		199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		200	goto done;
		201
		202	/* else we have to loop -
		203	* it would be tempting (actually I tried that first) to just query the
		204	* number of extents needed, but linux often feels like not returning all
		205	* extents, without telling us it left any out. this complicates
		206	* this quite a bit.
		207	*/
		208
		209	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		210
		211	for (;;)
		212	{
		213	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		214	char scratch[3072];
		215	struct fiemap *incmap = (struct fiemap *)scratch;
		216
		217	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		218	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		219	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		220	incmap->fm_flags = fiemap->fm_flags;
		221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		222
		223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		224	return;
		225
		226	if (!incmap->fm_mapped_extents)
		227	goto done;
		228
		229	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		230	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		231	errno = ENOMEM;
		232	if (!fiemap)
		233	return;
		234
		235	req->ptr1 = fiemap;
		236
		237	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		238	{
		239	struct fiemap_extent *e = incmap->fm_extents + count;
		240
		241	if (e->fe_logical + e->fe_length >= end_offset)
		242	goto done;
		243
		244	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		245
		246	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		247	goto done;
		248
		249	}
		250	}
		251
		252	done:
		253	req->result = 0;
		254
		255	#else
		256	errno = ENOSYS;
		257	#endif
		258	}
		259
		260	/*****************************************************************************/
325		261
326	enum {	262	enum {
327	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328	};	264	};
329		265
330	#include "libeio/eio.c"
331
332	typedef eio_req *aio_req;	266	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	267	typedef eio_req *aio_req_ornot;
		268	typedef eio_wd aio_wd;
334		269
335	static SV *on_next_submit;	270	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	271	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	272	static int max_outstanding;
338		273
339	static s_epipe respipe;	274	static s_epipe respipe;
340		275
341	static void req_destroy (aio_req req);	276	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	277	static void req_cancel (aio_req req);
343		278
344	static void want_poll (void)	279	static void
		280	want_poll (void)
345	{	281	{
346	/* write a dummy byte to the pipe so fh becomes ready */	282	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	283	s_epipe_signal (&respipe);
348	}	284	}
349		285
350	static void done_poll (void)	286	static void
		287	done_poll (void)
351	{	288	{
352	/* read any signals sent by the worker threads */	289	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	290	s_epipe_drain (&respipe);
354	}	291	}
355		292
356	/* must be called at most once */	293	/* must be called at most once */
		294	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	295	req_sv (aio_req req, HV *stash)
358	{	296	{
359	if (!req->self)	297	if (!req->self)
360	{	298	{
361	req->self = (SV *)newHV ();	299	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	300	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	301	}
364		302
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	303	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	304	}
367		305
368	static aio_req SvAIO_REQ (SV *sv)	306	static SV *
		307	newSVaio_wd (aio_wd wd)
		308	{
		309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		310	}
		311
		312	static aio_req
		313	SvAIO_REQ (SV *sv)
369	{	314	{
370	MAGIC *mg;	315	MAGIC *mg;
371		316
372	if (!SvROK (sv)	317	if (!SvROK (sv)
		318	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	319	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	320	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	321	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	322	croak ("object of class IO::AIO::REQ expected");
377		323
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	324	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		325
380	return mg ? (aio_req)mg->mg_ptr : 0;	326	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	327	}
382		328
		329	static aio_wd
		330	SvAIO_WD (SV *sv)
		331	{
		332	if (!SvROK (sv)
		333	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		334	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		336
		337	return (aio_wd)(long)SvIVX (SvRV (sv));
		338	}
		339
		340	static void
383	static void aio_grp_feed (aio_req grp)	341	aio_grp_feed (aio_req grp)
384	{	342	{
385	if (grp->sv2 && SvOK (grp->sv2))	343	if (grp->sv2 && SvOK (grp->sv2))
386	{	344	{
387	dSP;	345	dSP;
388		346
…		…
396	FREETMPS;	354	FREETMPS;
397	LEAVE;	355	LEAVE;
398	}	356	}
399	}	357	}
400		358
		359	static void
401	static void req_submit (eio_req *req)	360	req_submit (eio_req *req)
402	{	361	{
403	eio_submit (req);	362	eio_submit (req);
404		363
405	if (expect_false (on_next_submit))	364	if (expect_false (on_next_submit))
406	{	365	{
…		…
413	PUTBACK;	372	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	373	call_sv (cb, G_DISCARD | G_EVAL);
415	}	374	}
416	}	375	}
417		376
		377	static int
418	static int req_invoke (eio_req *req)	378	req_invoke (eio_req *req)
419	{	379	{
420	if (req->flags & FLAG_SV2_RO_OFF)	380	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	381	SvREADONLY_off (req->sv2);
422		382
423	if (!EIO_CANCELLED (req) && req->callback)	383	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	404	SvREADONLY_on (sv_result);
445	}	405	}
446		406
447	switch (req->type)	407	switch (req->type)
448	{	408	{
		409	case EIO_WD_OPEN:
		410	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		411	break;
		412
449	case EIO_READDIR:	413	case EIO_READDIR:
450	{	414	{
451	SV *rv = &PL_sv_undef;	415	SV *rv = &PL_sv_undef;
452		416
453	if (req->result >= 0)	417	if (req->result >= 0)
…		…
541	case EIO_STATVFS:	505	case EIO_STATVFS:
542	case EIO_FSTATVFS:	506	case EIO_FSTATVFS:
543	{	507	{
544	SV *rv = &PL_sv_undef;	508	SV *rv = &PL_sv_undef;
545		509
		510	#ifndef _WIN32
546	if (req->result >= 0)	511	if (req->result >= 0)
547	{	512	{
548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	513	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549	HV *hv = newHV ();	514	HV *hv = newHV ();
		515	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		516	* chooses to make it a struct.
		517	*/
		518	unsigned long fsid = 0;
		519	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550		520
551	rv = sv_2mortal (newRV_noinc ((SV *)hv));	521	rv = sv_2mortal (newRV_noinc ((SV *)hv));
552		522
553	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	523	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	524	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
556	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	526	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	527	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	528	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	529	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	530	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	531	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	532	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	533	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564	}	534	}
		535	#endif
565		536
566	PUSHs (rv);	537	PUSHs (rv);
567	}	538	}
568		539
569	break;	540	break;
…		…
593	break;	564	break;
594		565
595	case EIO_STAT:	566	case EIO_STAT:
596	case EIO_LSTAT:	567	case EIO_LSTAT:
597	case EIO_FSTAT:	568	case EIO_FSTAT:
598	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	569	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		570
599	PL_laststatval = req->result;	571	if (!(PL_laststatval = req->result))
		572	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
600	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	573	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		574
601	PUSHs (sv_result);	575	PUSHs (sv_result);
		576	break;
		577
		578	case EIO_SEEK:
		579	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602	break;	580	break;
603		581
604	case EIO_READ:	582	case EIO_READ:
605	{	583	{
606	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	584	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
609	SvSETMAGIC (req->sv2);	587	SvSETMAGIC (req->sv2);
610	PUSHs (sv_result);	588	PUSHs (sv_result);
611	}	589	}
612	break;	590	break;
613		591
		592	case EIO_CUSTOM:
		593	if (req->feed == fiemap)
		594	{
		595	#if HAVE_FIEMAP
		596	if (!req->result)
		597	{
		598	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		599
		600	if (fiemap->fm_extent_count)
		601	{
		602	AV *av = newAV ();
		603	int i;
		604
		605	while (fiemap->fm_mapped_extents)
		606	{
		607	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		608	AV *ext_av = newAV ();
		609
		610	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		611	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		612	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		613	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		614
		615	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		616	}
		617
		618	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		619	}
		620	else
		621	{
		622	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		623	PUSHs (sv_result);
		624	}
		625	}
		626	#endif
		627	}
		628	else
		629	PUSHs (sv_result);
		630	break;
		631
614	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	632	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615	if (req->result > 0)	633	if (req->result > 0)
616	SvIV_set (sv_result, 0);	634	SvIV_set (sv_result, 0);
617	/* FALLTHROUGH */	635	/* FALLTHROUGH */
618		636
…		…
639	}	657	}
640		658
641	return !!SvTRUE (ERRSV);	659	return !!SvTRUE (ERRSV);
642	}	660	}
643		661
		662	static void
644	static void req_destroy (aio_req req)	663	req_destroy (aio_req req)
645	{	664	{
646	if (req->self)	665	if (req->self)
647	{	666	{
648	sv_unmagic (req->self, PERL_MAGIC_ext);	667	sv_unmagic (req->self, PERL_MAGIC_ext);
649	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
650	}	669	}
651		670
652	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
653	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
654	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
655		676
656	Safefree (req);	677	free (req);
657	}	678	}
658		679
		680	static void
659	static void req_cancel_subs (aio_req grp)	681	req_cancel_subs (aio_req grp)
660	{	682	{
661	aio_req sub;
662
663	if (grp->type != EIO_GROUP)	683	if (grp->type != EIO_GROUP)
664	return;	684	return;
665		685
666	SvREFCNT_dec (grp->sv2);	686	SvREFCNT_dec (grp->sv2);
667	grp->sv2 = 0;	687	grp->sv2 = 0;
668		688
669	eio_grp_cancel (grp);	689	eio_grp_cancel (grp);
670	}	690	}
671		691
		692	static void ecb_cold
672	static void create_respipe (void)	693	create_respipe (void)
673	{	694	{
674	if (s_epipe_renew (&respipe))	695	if (s_epipe_renew (&respipe))
675	croak ("IO::AIO: unable to initialize result pipe");	696	croak ("IO::AIO: unable to initialize result pipe");
676	}	697	}
677		698
678	static void poll_wait (void)	699	static void
		700	poll_wait (void)
679	{	701	{
680	while (eio_nreqs ())	702	while (eio_nreqs ())
681	{	703	{
682	int size;	704	int size;
683		705
…		…
692		714
693	s_epipe_wait (&respipe);	715	s_epipe_wait (&respipe);
694	}	716	}
695	}	717	}
696		718
697	static int poll_cb (void)	719	static int
		720	poll_cb (void)
698	{	721	{
699	for (;;)	722	for (;;)
700	{	723	{
701	int res = eio_poll ();	724	int res = eio_poll ();
702		725
…		…
708		731
709	poll_wait ();	732	poll_wait ();
710	}	733	}
711	}	734	}
712		735
713	static void atfork_child (void)	736	static void ecb_cold
		737	reinit (void)
714	{	738	{
715	create_respipe ();	739	create_respipe ();
		740
		741	if (eio_init (want_poll, done_poll) < 0)
		742	croak ("IO::AIO: unable to initialise eio library");
716	}	743	}
717		744
718	/*****************************************************************************/	745	/*****************************************************************************/
719		746
720	#if !_POSIX_MAPPED_FILES	747	#if !_POSIX_MAPPED_FILES
721	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
722	# define munmap(addr,length) (errno = ENOSYS, -1)	749	# define munmap(addr,length) EIO_ENOSYS ()
723	#endif	750	#endif
724		751
725	#if !_POSIX_MEMORY_PROTECTION	752	#if !_POSIX_MEMORY_PROTECTION
726	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
727	# define PROT_NONE 0	754	# define PROT_NONE 0
728	# define PROT_WRITE 0	755	# define PROT_WRITE 0
729	# define MAP_PRIVATE 0	756	# define MAP_PRIVATE 0
730	# define MAP_SHARED 0	757	# define MAP_SHARED 0
731	# define MAP_FIXED 0	758	# define MAP_FIXED 0
732	#endif	759	#endif
733		760
734	#define MMAP_MAGIC PERL_MAGIC_ext	761	#define MMAP_MAGIC PERL_MAGIC_ext
735		762
		763	static int ecb_cold
736	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
737	{	765	{
738	int old_errno = errno;	766	int old_errno = errno;
739	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
740	errno = old_errno;	768	errno = old_errno;
741		769
…		…
757	0, 0, 0, 0, mmap_free	785	0, 0, 0, 0, mmap_free
758	};	786	};
759		787
760	/*****************************************************************************/	788	/*****************************************************************************/
761		789
		790	static SV *
762	static SV * get_cb (SV *cb_sv)	791	get_cb (SV *cb_sv)
763	{	792	{
764	SvGETMAGIC (cb_sv);	793	SvGETMAGIC (cb_sv);
765	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
766	}	795	}
767		796
		797	static aio_req ecb_noinline
		798	dreq (SV *callback)
		799	{
		800	SV *cb_cv;
		801	aio_req req;
		802	int req_pri = next_pri;
		803	next_pri = EIO_PRI_DEFAULT;
		804
		805	cb_cv = get_cb (callback);
		806
		807	req = calloc (sizeof (*req), 1);
		808	if (!req)
		809	croak ("out of memory during eio_req allocation");
		810
		811	req->callback = SvREFCNT_inc (cb_cv);
		812	req->pri = req_pri;
		813
		814	return req;
		815	}
		816
768	#define dREQ \	817	#define dREQ \
769	SV *cb_cv; \	818	aio_req req = dreq (callback); \
770	aio_req req; \
771	int req_pri = next_pri; \
772	next_pri = EIO_PRI_DEFAULT; \
773	\
774	cb_cv = get_cb (callback); \
775	\
776	Newz (0, req, 1, eio_req); \
777	if (!req) \
778	croak ("out of memory during eio_req allocation"); \
779	\
780	req->callback = SvREFCNT_inc (cb_cv); \
781	req->pri = req_pri
782		819
783	#define REQ_SEND \	820	#define REQ_SEND \
784	PUTBACK; \	821	PUTBACK; \
785	req_submit (req); \	822	req_submit (req); \
786	SPAGAIN; \	823	SPAGAIN; \
787	\	824	\
788	if (GIMME_V != G_VOID) \	825	if (GIMME_V != G_VOID) \
789	XPUSHs (req_sv (req, aio_req_stash));	826	XPUSHs (req_sv (req, aio_req_stash));
790		827
		828	ecb_inline void
		829	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		830	{
		831	if (expect_false (SvROK (path)))
		832	{
		833	SV *rv = SvRV (path);
		834	SV *wdob;
		835
		836	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		837	{
		838	path = AvARRAY (rv)[1];
		839	wdob = AvARRAY (rv)[0];
		840
		841	if (SvOK (wdob))
		842	{
		843	*wd = SvAIO_WD (wdob);
		844	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		845	}
		846	else
		847	*wd = EIO_INVALID_WD;
		848	}
		849	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		850	{
		851	*wd = (aio_wd)(long)SvIVX (rv);
		852	*wdsv = SvREFCNT_inc_NN (rv);
		853	*ptr = ".";
		854	return; /* path set to "." */
		855	}
		856	else
		857	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		858	}
		859
		860	*pathsv = newSVsv (path);
		861	*ptr = SvPVbyte_nolen (*pathsv);
		862	}
		863
		864	static void ecb_noinline
		865	req_set_path1 (aio_req req, SV *path)
		866	{
		867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		868	}
		869
		870	static void ecb_noinline
		871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		872	{
		873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		874
		875	switch (SvTYPE (rv))
		876	{
		877	case SVt_PVIO:
		878	case SVt_PVLV:
		879	case SVt_PVGV:
		880	req->type = type_fh;
		881	req->sv1 = newSVsv (fh_or_path);
		882	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		883	break;
		884
		885	default:
		886	req->type = type_path;
		887	req_set_path1 (req, fh_or_path);
		888	break;
		889	}
		890	}
		891
		892	XS(boot_IO__AIO) ecb_cold;
		893
791	MODULE = IO::AIO PACKAGE = IO::AIO	894	MODULE = IO::AIO PACKAGE = IO::AIO
792		895
793	PROTOTYPES: ENABLE	896	PROTOTYPES: ENABLE
794		897
795	BOOT:	898	BOOT:
…		…
799	IV iv;	902	IV iv;
800	} *civ, const_iv[] = {	903	} *civ, const_iv[] = {
801	# define const_niv(name, value) { # name, (IV) value },	904	# define const_niv(name, value) { # name, (IV) value },
802	# define const_iv(name) { # name, (IV) name },	905	# define const_iv(name) { # name, (IV) name },
803	# define const_eio(name) { # name, (IV) EIO_ ## name },	906	# define const_eio(name) { # name, (IV) EIO_ ## name },
		907
		908	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		909
		910	const_iv (ENOSYS)
804	const_iv (EXDEV)	911	const_iv (EXDEV)
805	const_iv (ENOSYS)	912	const_iv (EBADR)
		913
806	const_iv (O_RDONLY)	914	const_iv (O_RDONLY)
807	const_iv (O_WRONLY)	915	const_iv (O_WRONLY)
808	const_iv (O_RDWR)	916	const_iv (O_RDWR)
809	const_iv (O_CREAT)	917	const_iv (O_CREAT)
810	const_iv (O_TRUNC)	918	const_iv (O_TRUNC)
…		…
878	const_iv (MAP_LOCKED)	986	const_iv (MAP_LOCKED)
879	const_iv (MAP_NORESERVE)	987	const_iv (MAP_NORESERVE)
880	const_iv (MAP_POPULATE)	988	const_iv (MAP_POPULATE)
881	const_iv (MAP_NONBLOCK)	989	const_iv (MAP_NONBLOCK)
882		990
		991	const_iv (FIEMAP_FLAG_SYNC)
		992	const_iv (FIEMAP_FLAG_XATTR)
		993	const_iv (FIEMAP_FLAGS_COMPAT)
		994	const_iv (FIEMAP_EXTENT_LAST)
		995	const_iv (FIEMAP_EXTENT_UNKNOWN)
		996	const_iv (FIEMAP_EXTENT_DELALLOC)
		997	const_iv (FIEMAP_EXTENT_ENCODED)
		998	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		999	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1000	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1001	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1002	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1003	const_iv (FIEMAP_EXTENT_MERGED)
		1004	const_iv (FIEMAP_EXTENT_SHARED)
		1005
		1006	const_iv (SPLICE_F_MOVE)
		1007	const_iv (SPLICE_F_NONBLOCK)
		1008	const_iv (SPLICE_F_MORE)
		1009	const_iv (SPLICE_F_GIFT)
		1010
		1011	const_iv (SEEK_DATA)
		1012	const_iv (SEEK_HOLE)
		1013
		1014	/* libeio constants */
		1015	const_eio (SEEK_SET)
		1016	const_eio (SEEK_CUR)
		1017	const_eio (SEEK_END)
		1018
883	const_eio (MCL_FUTURE)	1019	const_eio (MCL_FUTURE)
884	const_eio (MCL_CURRENT)	1020	const_eio (MCL_CURRENT)
885		1021
886	const_eio (MS_ASYNC)	1022	const_eio (MS_ASYNC)
887	const_eio (MS_INVALIDATE)	1023	const_eio (MS_INVALIDATE)
…		…
892	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1028	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
893	const_eio (SYNC_FILE_RANGE_WRITE)	1029	const_eio (SYNC_FILE_RANGE_WRITE)
894	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
895		1031
896	const_eio (FALLOC_FL_KEEP_SIZE)	1032	const_eio (FALLOC_FL_KEEP_SIZE)
		1033	const_eio (FALLOC_FL_PUNCH_HOLE)
897		1034
898	const_eio (READDIR_DENTS)	1035	const_eio (READDIR_DENTS)
899	const_eio (READDIR_DIRS_FIRST)	1036	const_eio (READDIR_DIRS_FIRST)
900	const_eio (READDIR_STAT_ORDER)	1037	const_eio (READDIR_STAT_ORDER)
901	const_eio (READDIR_FOUND_UNKNOWN)	1038	const_eio (READDIR_FOUND_UNKNOWN)
…		…
912	};	1049	};
913		1050
914	aio_stash = gv_stashpv ("IO::AIO" , 1);	1051	aio_stash = gv_stashpv ("IO::AIO" , 1);
915	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1052	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1053	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1054	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
917		1055
918	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1056	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
919	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1057	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
920		1058
921	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922		1060
923	create_respipe ();	1061	reinit ();
924
925	if (eio_init (want_poll, done_poll) < 0)
926	croak ("IO::AIO: unable to initialise eio library");
927
928	/* atfork child called in fifo order, so before eio's handler */
929	X_THREAD_ATFORK (0, 0, atfork_child);
930	}	1062	}
		1063
		1064	void
		1065	reinit ()
		1066	PROTOTYPE:
931		1067
932	void	1068	void
933	max_poll_reqs (unsigned int nreqs)	1069	max_poll_reqs (unsigned int nreqs)
934	PROTOTYPE: $	1070	PROTOTYPE: $
935	CODE:	1071	CODE:
…		…
970	PROTOTYPE: $	1106	PROTOTYPE: $
971	CODE:	1107	CODE:
972	max_outstanding = maxreqs;	1108	max_outstanding = maxreqs;
973		1109
974	void	1110	void
		1111	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1112	PPCODE:
		1113	{
		1114	dREQ;
		1115
		1116	req->type = EIO_WD_OPEN;
		1117	req_set_path1 (req, pathname);
		1118
		1119	REQ_SEND;
		1120	}
		1121
		1122	void
975	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1123	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
976	PPCODE:	1124	PPCODE:
977	{	1125	{
978	dREQ;	1126	dREQ;
979		1127
980	req->type = EIO_OPEN;	1128	req->type = EIO_OPEN;
981	req->sv1 = newSVsv (pathname);	1129	req_set_path1 (req, pathname);
982	req->ptr1 = SvPVbyte_nolen (req->sv1);
983	req->int1 = flags;	1130	req->int1 = flags;
984	req->int2 = mode;	1131	req->int2 = mode;
985		1132
986	REQ_SEND;	1133	REQ_SEND;
987	}	1134	}
…		…
989	void	1136	void
990	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
991	ALIAS:	1138	ALIAS:
992	aio_fsync = EIO_FSYNC	1139	aio_fsync = EIO_FSYNC
993	aio_fdatasync = EIO_FDATASYNC	1140	aio_fdatasync = EIO_FDATASYNC
		1141	aio_syncfs = EIO_SYNCFS
994	PPCODE:	1142	PPCODE:
995	{	1143	{
996	int fd = s_fileno_croak (fh, 0);	1144	int fd = s_fileno_croak (fh, 0);
997	dREQ;	1145	dREQ;
998		1146
999	req->type = ix;	1147	req->type = ix;
1000	req->sv1 = newSVsv (fh);	1148	req->sv1 = newSVsv (fh);
1001	req->int1 = fd;	1149	req->int1 = fd;
1002		1150
1003	REQ_SEND (req);	1151	REQ_SEND;
1004	}	1152	}
1005		1153
1006	void	1154	void
1007	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1155	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1008	PPCODE:	1156	PPCODE:
1009	{	1157	{
1010	int fd = s_fileno_croak (fh, 0);	1158	int fd = s_fileno_croak (fh, 0);
1011	dREQ;	1159	dREQ;
1012		1160
1013	req->type = EIO_SYNC_FILE_RANGE;	1161	req->type = EIO_SYNC_FILE_RANGE;
1014	req->sv1 = newSVsv (fh);	1162	req->sv1 = newSVsv (fh);
1015	req->int1 = fd;	1163	req->int1 = fd;
1016	req->offs = offset;	1164	req->offs = offset;
1017	req->size = nbytes;	1165	req->size = nbytes;
1018	req->int2 = flags;	1166	req->int2 = flags;
1019		1167
1020	REQ_SEND (req);	1168	REQ_SEND;
1021	}	1169	}
1022		1170
1023	void	1171	void
1024	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1025	PPCODE:	1173	PPCODE:
1026	{	1174	{
1027	int fd = s_fileno_croak (fh, 0);	1175	int fd = s_fileno_croak (fh, 0);
1028	dREQ;	1176	dREQ;
1029		1177
1030	req->type = EIO_FALLOCATE;	1178	req->type = EIO_FALLOCATE;
1031	req->sv1 = newSVsv (fh);	1179	req->sv1 = newSVsv (fh);
1032	req->int1 = fd;	1180	req->int1 = fd;
1033	req->int2 = mode;	1181	req->int2 = mode;
1034	req->offs = offset;	1182	req->offs = offset;
1035	req->size = len;	1183	req->size = len;
1036		1184
1037	REQ_SEND (req);	1185	REQ_SEND;
1038	}	1186	}
1039		1187
1040	void	1188	void
1041	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1042	PPCODE:	1190	PPCODE:
1043	{	1191	{
1044	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1045	int fd = s_fileno_croak (fh, 0);	1193	int fd = s_fileno_croak (fh, 0);
1046	dREQ;	1194	dREQ;
1047		1195
1048	if (close_pipe < 0)	1196	if (expect_false (close_fd < 0))
1049	{	1197	{
1050	int pipefd [2];	1198	int pipefd [2];
1051		1199
		1200	if (
		1201	#ifdef _WIN32
		1202	_pipe (pipefd, 1, _O_BINARY) < 0
		1203	#else
1052	if (pipe (pipefd) < 0	1204	pipe (pipefd) < 0
1053	|| close (pipefd [1]) < 0
1054	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1205	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1206	#endif
		1207	|| close (pipefd [1]) < 0
		1208	)
1055	abort (); /*D*/	1209	abort (); /*D*/
1056		1210
1057	close_pipe = pipefd [0];	1211	close_fd = pipefd [0];
1058	}	1212	}
1059		1213
1060	req->type = EIO_DUP2;	1214	req->type = EIO_DUP2;
1061	req->int1 = close_pipe;	1215	req->int1 = close_fd;
1062	req->sv2 = newSVsv (fh);	1216	req->sv2 = newSVsv (fh);
1063	req->int2 = fd;	1217	req->int2 = fd;
1064		1218
1065	REQ_SEND (req);	1219	REQ_SEND;
		1220	}
		1221
		1222	void
		1223	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1224	PPCODE:
		1225	{
		1226	int fd = s_fileno_croak (fh, 0);
		1227	dREQ;
		1228
		1229	req->type = EIO_SEEK;
		1230	req->sv1 = newSVsv (fh);
		1231	req->int1 = fd;
		1232	req->offs = SvVAL64 (offset);
		1233	req->int2 = whence;
		1234
		1235	REQ_SEND;
1066	}	1236	}
1067		1237
1068	void	1238	void
1069	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1239	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1070	ALIAS:	1240	ALIAS:
…		…
1091	}	1261	}
1092	else	1262	else
1093	{	1263	{
1094	/* read: check type and grow scalar as necessary */	1264	/* read: check type and grow scalar as necessary */
1095	SvUPGRADE (data, SVt_PV);	1265	SvUPGRADE (data, SVt_PV);
		1266	if (SvLEN (data) >= SvCUR (data))
1096	svptr = SvGROW (data, len + dataoffset + 1);	1267	svptr = SvGROW (data, len + dataoffset + 1);
		1268	else if (SvCUR (data) < len + dataoffset)
		1269	croak ("length + dataoffset outside of scalar, and cannot grow");
1097	}	1270	}
1098		1271
1099	{	1272	{
1100	dREQ;	1273	dREQ;
1101		1274
…		…
1117	REQ_SEND;	1290	REQ_SEND;
1118	}	1291	}
1119	}	1292	}
1120		1293
1121	void	1294	void
1122	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1123	ALIAS:	1296	ALIAS:
1124	aio_readlink = EIO_READLINK	1297	aio_readlink = EIO_READLINK
1125	aio_realpath = EIO_REALPATH	1298	aio_realpath = EIO_REALPATH
1126	PPCODE:	1299	PPCODE:
1127	{	1300	{
1128	SV *data;
1129	dREQ;	1301	dREQ;
1130		1302
1131	req->type = ix;	1303	req->type = ix;
1132	req->sv1 = newSVsv (path);	1304	req_set_path1 (req, pathname);
1133	req->ptr1 = SvPVbyte_nolen (req->sv1);
1134		1305
1135	REQ_SEND;	1306	REQ_SEND;
1136	}	1307	}
1137		1308
1138	void	1309	void
1139	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1310	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1140	PPCODE:	1311	PPCODE:
1141	{	1312	{
1142	int ifd = s_fileno_croak (in_fh , 0);	1313	int ifd = s_fileno_croak (in_fh , 0);
1143	int ofd = s_fileno_croak (out_fh, 1);	1314	int ofd = s_fileno_croak (out_fh, 1);
1144	dREQ;	1315	dREQ;
1145		1316
1146	req->type = EIO_SENDFILE;	1317	req->type = EIO_SENDFILE;
1147	req->sv1 = newSVsv (out_fh);	1318	req->sv1 = newSVsv (out_fh);
1148	req->int1 = ofd;	1319	req->int1 = ofd;
…		…
1156		1327
1157	void	1328	void
1158	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1329	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1159	PPCODE:	1330	PPCODE:
1160	{	1331	{
1161	int fd = s_fileno_croak (fh, 0);	1332	int fd = s_fileno_croak (fh, 0);
1162	dREQ;	1333	dREQ;
1163		1334
1164	req->type = EIO_READAHEAD;	1335	req->type = EIO_READAHEAD;
1165	req->sv1 = newSVsv (fh);	1336	req->sv1 = newSVsv (fh);
1166	req->int1 = fd;	1337	req->int1 = fd;
…		…
1178	aio_statvfs = EIO_STATVFS	1349	aio_statvfs = EIO_STATVFS
1179	PPCODE:	1350	PPCODE:
1180	{	1351	{
1181	dREQ;	1352	dREQ;
1182		1353
1183	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1184
1185	if (SvPOK (req->sv1))
1186	{
1187	req->type = ix;
1188	req->ptr1 = SvPVbyte_nolen (req->sv1);
1189	}
1190	else
1191	{
1192	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1193	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1194	}
1195		1355
1196	REQ_SEND;	1356	REQ_SEND;
1197	}	1357	}
1198		1358
1199	UV	1359	UV
…		…
1218	{	1378	{
1219	dREQ;	1379	dREQ;
1220		1380
1221	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1222	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1382	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1223	req->sv1 = newSVsv (fh_or_path);	1383	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1224
1225	if (SvPOK (req->sv1))
1226	{
1227	req->type = EIO_UTIME;
1228	req->ptr1 = SvPVbyte_nolen (req->sv1);
1229	}
1230	else
1231	{
1232	req->type = EIO_FUTIME;
1233	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1234	}
1235		1384
1236	REQ_SEND;	1385	REQ_SEND;
1237	}	1386	}
1238		1387
1239	void	1388	void
1240	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1389	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1241	PPCODE:	1390	PPCODE:
1242	{	1391	{
1243	dREQ;	1392	dREQ;
1244		1393
1245	req->sv1 = newSVsv (fh_or_path);
1246	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1247		1395	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1248	if (SvPOK (req->sv1))
1249	{
1250	req->type = EIO_TRUNCATE;
1251	req->ptr1 = SvPVbyte_nolen (req->sv1);
1252	}
1253	else
1254	{
1255	req->type = EIO_FTRUNCATE;
1256	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1257	}
1258		1396
1259	REQ_SEND;	1397	REQ_SEND;
1260	}	1398	}
1261		1399
1262	void	1400	void
1263	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1401	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1264	ALIAS:
1265	aio_chmod = EIO_CHMOD
1266	aio_mkdir = EIO_MKDIR
1267	PPCODE:	1402	PPCODE:
1268	{	1403	{
1269	dREQ;	1404	dREQ;
1270		1405
1271	req->int2 = mode;	1406	req->int2 = mode;
1272	req->sv1 = newSVsv (fh_or_path);	1407	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1273
1274	if (SvPOK (req->sv1))
1275	{
1276	req->type = ix;
1277	req->ptr1 = SvPVbyte_nolen (req->sv1);
1278	}
1279	else
1280	{
1281	req->type = EIO_FCHMOD;
1282	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1283	}
1284		1408
1285	REQ_SEND;	1409	REQ_SEND;
1286	}	1410	}
1287		1411
1288	void	1412	void
…		…
1291	{	1415	{
1292	dREQ;	1416	dREQ;
1293		1417
1294	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1295	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1419	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1296	req->sv1 = newSVsv (fh_or_path);	1420	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1297
1298	if (SvPOK (req->sv1))
1299	{
1300	req->type = EIO_CHOWN;
1301	req->ptr1 = SvPVbyte_nolen (req->sv1);
1302	}
1303	else
1304	{
1305	req->type = EIO_FCHOWN;
1306	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1307	}
1308		1421
1309	REQ_SEND;	1422	REQ_SEND;
1310	}	1423	}
1311		1424
1312	void	1425	void
…		…
1314	PPCODE:	1427	PPCODE:
1315	{	1428	{
1316	dREQ;	1429	dREQ;
1317		1430
1318	req->type = EIO_READDIR;	1431	req->type = EIO_READDIR;
1319	req->sv1 = newSVsv (pathname);
1320	req->ptr1 = SvPVbyte_nolen (req->sv1);
1321	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1432	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1322		1433
1323	if (flags & EIO_READDIR_DENTS)	1434	if (flags & EIO_READDIR_DENTS)
1324	req->int1 |= EIO_READDIR_CUSTOM2;	1435	req->int1 |= EIO_READDIR_CUSTOM2;
1325		1436
		1437	req_set_path1 (req, pathname);
		1438
1326	REQ_SEND;	1439	REQ_SEND;
		1440	}
		1441
		1442	void
		1443	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1444	PPCODE:
		1445	{
		1446	dREQ;
		1447
		1448	req->type = EIO_MKDIR;
		1449	req->int2 = mode;
		1450	req_set_path1 (req, pathname);
		1451
		1452	REQ_SEND;
1327	}	1453	}
1328		1454
1329	void	1455	void
1330	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1331	ALIAS:	1457	ALIAS:
…		…
1335	PPCODE:	1461	PPCODE:
1336	{	1462	{
1337	dREQ;	1463	dREQ;
1338		1464
1339	req->type = ix;	1465	req->type = ix;
1340	req->sv1 = newSVsv (pathname);	1466	req_set_path1 (req, pathname);
1341	req->ptr1 = SvPVbyte_nolen (req->sv1);
1342		1467
1343	REQ_SEND;	1468	REQ_SEND;
1344	}	1469	}
1345		1470
1346	void	1471	void
…		…
1349	aio_link = EIO_LINK	1474	aio_link = EIO_LINK
1350	aio_symlink = EIO_SYMLINK	1475	aio_symlink = EIO_SYMLINK
1351	aio_rename = EIO_RENAME	1476	aio_rename = EIO_RENAME
1352	PPCODE:	1477	PPCODE:
1353	{	1478	{
		1479	eio_wd wd2 = 0;
1354	dREQ;	1480	dREQ;
1355		1481
1356	req->type = ix;	1482	req->type = ix;
1357	req->sv1 = newSVsv (oldpath);	1483	req_set_path1 (req, oldpath);
1358	req->ptr1 = SvPVbyte_nolen (req->sv1);	1484	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1359	req->sv2 = newSVsv (newpath);	1485	req->int3 = (long)wd2;
1360	req->ptr2 = SvPVbyte_nolen (req->sv2);
1361		1486
1362	REQ_SEND;	1487	REQ_SEND;
1363	}	1488	}
1364		1489
1365	void	1490	void
…		…
1367	PPCODE:	1492	PPCODE:
1368	{	1493	{
1369	dREQ;	1494	dREQ;
1370		1495
1371	req->type = EIO_MKNOD;	1496	req->type = EIO_MKNOD;
1372	req->sv1 = newSVsv (pathname);
1373	req->ptr1 = SvPVbyte_nolen (req->sv1);
1374	req->int2 = (mode_t)mode;	1497	req->int2 = (mode_t)mode;
1375	req->offs = dev;	1498	req->offs = dev;
		1499	req_set_path1 (req, pathname);
1376		1500
1377	REQ_SEND;	1501	REQ_SEND;
1378	}	1502	}
1379		1503
1380	void	1504	void
…		…
1450		1574
1451	REQ_SEND;	1575	REQ_SEND;
1452	}	1576	}
1453		1577
1454	void	1578	void
		1579	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1580	PPCODE:
		1581	{
		1582	int fd = s_fileno_croak (fh, 0);
		1583	dREQ;
		1584
		1585	req->type = EIO_CUSTOM;
		1586	req->sv1 = newSVsv (fh);
		1587	req->int1 = fd;
		1588
		1589	req->feed = fiemap;
		1590	#if HAVE_FIEMAP
		1591	/* keep our fingers crossed that the next two types are 64 bit */
		1592	req->offs = start;
		1593	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1594	req->int2 = flags;
		1595	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1596	#endif
		1597
		1598	REQ_SEND;
		1599	}
		1600
		1601	void
1455	aio_busy (double delay, SV *callback=&PL_sv_undef)	1602	aio_busy (double delay, SV *callback=&PL_sv_undef)
1456	PPCODE:	1603	PPCODE:
1457	{	1604	{
1458	dREQ;	1605	dREQ;
1459		1606
…		…
1469	{	1616	{
1470	dREQ;	1617	dREQ;
1471		1618
1472	req->type = EIO_GROUP;	1619	req->type = EIO_GROUP;
1473		1620
		1621	PUTBACK;
1474	req_submit (req);	1622	req_submit (req);
		1623	SPAGAIN;
		1624
1475	XPUSHs (req_sv (req, aio_grp_stash));	1625	XPUSHs (req_sv (req, aio_grp_stash));
1476	}	1626	}
1477		1627
1478	void	1628	void
1479	aio_nop (SV *callback=&PL_sv_undef)	1629	aio_nop (SV *callback=&PL_sv_undef)
…		…
1580	CODE:	1730	CODE:
1581	RETVAL = posix_fadvise (fh, offset, length, advice);	1731	RETVAL = posix_fadvise (fh, offset, length, advice);
1582	OUTPUT:	1732	OUTPUT:
1583	RETVAL	1733	RETVAL
1584		1734
1585	ssize_t	1735	IV
1586	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1736	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1587	CODE:	1737	CODE:
1588	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1738	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1589	OUTPUT:	1739	OUTPUT:
1590	RETVAL	1740	RETVAL
1591		1741
1592	void	1742	void
1593	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1743	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1594	PPCODE:	1744	PPCODE:
1595	sv_unmagic (scalar, MMAP_MAGIC);	1745	sv_unmagic (scalar, MMAP_MAGIC);
1596	{	1746	{
1597	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1747	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1598	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1748	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1631	ALIAS:	1781	ALIAS:
1632	mprotect = 1	1782	mprotect = 1
1633	CODE:	1783	CODE:
1634	{	1784	{
1635	STRLEN svlen;	1785	STRLEN svlen;
1636	void *addr = SvPVbyte (scalar, svlen);	1786	void *addr = SvPVbyte (scalar, svlen);
1637	size_t len = SvUV (length);	1787	size_t len = SvUV (length);
1638		1788
1639	if (offset < 0)	1789	if (offset < 0)
1640	offset += svlen;	1790	offset += svlen;
1641		1791
…		…
1660	int	1810	int
1661	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1811	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1662	CODE:	1812	CODE:
1663	{	1813	{
1664	STRLEN svlen;	1814	STRLEN svlen;
1665	void *addr = SvPVbyte (scalar, svlen);	1815	void *addr = SvPVbyte (scalar, svlen);
1666	size_t len = SvUV (length);	1816	size_t len = SvUV (length);
1667		1817
1668	if (offset < 0)	1818	if (offset < 0)
1669	offset += svlen;	1819	offset += svlen;
1670		1820
…		…
1677	addr = (void *)(((intptr_t)addr) + offset);	1827	addr = (void *)(((intptr_t)addr) + offset);
1678	eio_page_align (&addr, &len);	1828	eio_page_align (&addr, &len);
1679	#if _POSIX_MEMLOCK_RANGE	1829	#if _POSIX_MEMLOCK_RANGE
1680	RETVAL = munlock (addr, len);	1830	RETVAL = munlock (addr, len);
1681	#else	1831	#else
1682	RETVAL = ((errno = ENOSYS), -1);	1832	RETVAL = EIO_ENOSYS ();
1683	#endif	1833	#endif
1684	}	1834	}
1685	OUTPUT:	1835	OUTPUT:
1686	RETVAL	1836	RETVAL
1687		1837
…		…
1689	munlockall ()	1839	munlockall ()
1690	CODE:	1840	CODE:
1691	#if _POSIX_MEMLOCK	1841	#if _POSIX_MEMLOCK
1692	munlockall ();	1842	munlockall ();
1693	#else	1843	#else
		1844	RETVAL = EIO_ENOSYS ();
		1845	#endif
		1846	OUTPUT:
		1847	RETVAL
		1848
		1849	int
		1850	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1851	CODE:
		1852	{
		1853	#if HAVE_LINUX_SPLICE
		1854	loff_t off_in_, off_out_;
		1855	RETVAL = splice (
		1856	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1857	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1858	length, flags
		1859	);
		1860	#else
		1861	RETVAL = EIO_ENOSYS ();
		1862	#endif
		1863	}
		1864	OUTPUT:
		1865	RETVAL
		1866
		1867	int
		1868	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1869	CODE:
		1870	#if HAVE_LINUX_SPLICE
		1871	RETVAL = tee (rfh, wfh, length, flags);
		1872	#else
		1873	RETVAL = EIO_ENOSYS ();
		1874	#endif
		1875	OUTPUT:
		1876	RETVAL
		1877
		1878	int
		1879	pipesize (aio_rfd rfh, int new_size = -1)
		1880	PROTOTYPE: $;$
		1881	CODE:
		1882	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1883	if (new_size >= 0)
		1884	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1885	else
		1886	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1887	#else
		1888	errno = ENOSYS;
1694	RETVAL = -1;	1889	RETVAL = -1;
1695	errno = ENOSYS;
1696	#endif	1890	#endif
1697	OUTPUT:	1891	OUTPUT:
1698	RETVAL	1892	RETVAL
1699		1893
1700	void _on_next_submit (SV *cb)	1894	void _on_next_submit (SV *cb)
…		…
1702	SvREFCNT_dec (on_next_submit);	1896	SvREFCNT_dec (on_next_submit);
1703	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1897	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1704		1898
1705	PROTOTYPES: DISABLE	1899	PROTOTYPES: DISABLE
1706		1900
		1901	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1902
		1903	BOOT:
		1904	{
		1905	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1906	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1907	}
		1908
		1909	void
		1910	DESTROY (SV *self)
		1911	CODE:
		1912	{
		1913	aio_wd wd = SvAIO_WD (self);
		1914	#if HAVE_AT
		1915	{
		1916	SV *callback = &PL_sv_undef;
		1917	dREQ; /* clobbers next_pri :/ */
		1918	next_pri = req->pri; /* restore next_pri */
		1919	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1920	req->type = EIO_WD_CLOSE;
		1921	req->wd = wd;
		1922	REQ_SEND;
		1923	}
		1924	#else
		1925	eio_wd_close_sync (wd);
		1926	#endif
		1927	}
		1928
1707	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1929	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1708		1930
1709	void	1931	void
1710	cancel (aio_req_ornot req)	1932	cancel (aio_req_ornot req)
1711	CODE:	1933	CODE:

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