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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.175 by root, Wed Dec 1 04:43:12 2010 UTC vs.
Revision 1.226 by root, Sun Jan 6 11:48:14 2013 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
23	#endif	31	#endif
24		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
		119	#include "libeio/config.h"
123	#include "libeio/eio.h"	120	#include "libeio/eio.h"
124		121
125	#ifndef POSIX_FADV_NORMAL	122	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	123	#define EIO_FINISH(req) req_invoke (req)
127	#endif	124	static void req_destroy (eio_req *grp);
128	#ifndef POSIX_FADV_SEQUENTIAL	125	#define EIO_DESTROY(req) req_destroy (req)
129	# define POSIX_FADV_SEQUENTIAL 0	126
130	#endif	127	#include "libeio/eio.c"
131	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0
133	#endif
134	#ifndef POSIX_FADV_NOREUSE
135	# define POSIX_FADV_NOREUSE 0
136	#endif
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140	#ifndef POSIX_FADV_DONTNEED
141	# define POSIX_FADV_DONTNEED 0
142	#endif
143		128
144	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
145	# 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 */
146	#endif	131	#endif
147		132
148	#ifndef POSIX_MADV_NORMAL
149	# define POSIX_MADV_NORMAL 0
150	#endif
151	#ifndef POSIX_MADV_SEQUENTIAL
152	# define POSIX_MADV_SEQUENTIAL 0
153	#endif
154	#ifndef POSIX_MADV_RANDOM
155	# define POSIX_MADV_RANDOM 0
156	#endif
157	#ifndef POSIX_MADV_WILLNEED
158	# define POSIX_MADV_WILLNEED 0
159	#endif
160	#ifndef POSIX_MADV_DONTNEED
161	# define POSIX_MADV_DONTNEED 0
162	#endif
163
164	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
165	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
166	#endif
167
168	#ifndef PROT_NONE
169	# define PROT_NONE 0
170	#endif
171	#ifndef PROT_READ
172	# define PROT_READ 0
173	#endif
174	#ifndef PROT_WRITE
175	# define PROT_READ 0
176	#endif
177	#ifndef PROT_EXEC
178	# define PROT_EXEC 0
179	#endif
180
181	#ifndef ST_NODEV
182	# define ST_NODEV 0
183	#endif
184	#ifndef ST_NOEXEC
185	# define ST_NOEXEC 0
186	#endif
187	#ifndef ST_SYNCHRONOUS
188	# define ST_SYNCHRONOUS 0
189	#endif
190	#ifndef ST_MANDLOCK
191	# define ST_MANDLOCK 0
192	#endif
193	#ifndef ST_WRITE
194	# define ST_WRITE 0
195	#endif
196	#ifndef ST_APPEND
197	# define ST_APPEND 0
198	#endif
199	#ifndef ST_IMMUTABLE
200	# define ST_IMMUTABLE 0
201	#endif
202	#ifndef ST_NOATIME
203	# define ST_NOATIME 0
204	#endif
205	#ifndef ST_NODIRATIME
206	# define ST_NODIRATIME 0
207	#endif
208	#ifndef ST_RELATIME
209	# define ST_RELATIME 0
210	#endif	135	#endif
211		136
212	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
213	# ifdef MAP_ANON	138	# ifdef MAP_ANON
214	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
215	# else	140	# else
216	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
217	# endif	142	# endif
218	#endif	143	#endif
219	#ifndef MAP_HUGETLB
220	# define MAP_HUGETLB 0
221	#endif
222	#ifndef MAP_LOCKED
223	# define MAP_LOCKED 0
224	#endif
225	#ifndef MAP_NORESERVE
226	# define MAP_NORESERVE 0
227	#endif
228	#ifndef MAP_POPULATE
229	# define MAP_POPULATE 0
230	#endif
231	#ifndef MAP_NONBLOCK
232	# define MAP_NONBLOCK 0
233	#endif
234		144
235	#ifndef PAGESIZE	145	/* defines all sorts of constants to 0 unless they are already defined */
		146	#include "def0.h"
		147
		148	#ifndef makedev
		149	# define makedev(maj,min) (((maj) << 8) | (min))
		150	#endif
		151	#ifndef major
		152	# define major(dev) ((dev) >> 8)
		153	#endif
		154	#ifndef minor
		155	# define minor(dev) ((dev) & 0xff)
		156	#endif
		157
		158	#if PAGESIZE <= 0
236	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
237	#endif	160	#endif
238		161
239	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
240	#define EIO_FINISH(req) req_invoke (req)	163
241	static void req_destroy (eio_req *grp);	164	static void
242	#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	/*****************************************************************************/
243		261
244	enum {	262	enum {
245	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
246	};	264	};
247		265
248	#include "libeio/eio.c"
249
250	typedef eio_req *aio_req;	266	typedef eio_req *aio_req;
251	typedef eio_req *aio_req_ornot;	267	typedef eio_req *aio_req_ornot;
		268	typedef eio_wd aio_wd;
252		269
253	static SV *on_next_submit;	270	static SV *on_next_submit;
254	static int next_pri = EIO_PRI_DEFAULT;	271	static int next_pri = EIO_PRI_DEFAULT;
255	static int max_outstanding;	272	static int max_outstanding;
256		273
257	static s_epipe respipe;	274	static s_epipe respipe;
258		275
259	static void req_destroy (aio_req req);	276	static void req_destroy (aio_req req);
260	static void req_cancel (aio_req req);	277	static void req_cancel (aio_req req);
261		278
262	static void want_poll (void)	279	static void
		280	want_poll (void)
263	{	281	{
264	/* write a dummy byte to the pipe so fh becomes ready */	282	/* write a dummy byte to the pipe so fh becomes ready */
265	s_epipe_signal (&respipe);	283	s_epipe_signal (&respipe);
266	}	284	}
267		285
268	static void done_poll (void)	286	static void
		287	done_poll (void)
269	{	288	{
270	/* read any signals sent by the worker threads */	289	/* read any signals sent by the worker threads */
271	s_epipe_drain (&respipe);	290	s_epipe_drain (&respipe);
272	}	291	}
273		292
274	/* must be called at most once */	293	/* must be called at most once */
		294	static SV *
275	static SV *req_sv (aio_req req, HV *stash)	295	req_sv (aio_req req, HV *stash)
276	{	296	{
277	if (!req->self)	297	if (!req->self)
278	{	298	{
279	req->self = (SV *)newHV ();	299	req->self = (SV *)newHV ();
280	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	300	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
281	}	301	}
282		302
283	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	303	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
284	}	304	}
285		305
286	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)
287	{	314	{
288	MAGIC *mg;	315	MAGIC *mg;
289		316
290	if (!SvROK (sv)	317	if (!SvROK (sv)
		318	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
291	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	319	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
292	&& SvSTASH (SvRV (sv)) != aio_req_stash	320	&& SvSTASH (SvRV (sv)) != aio_req_stash
293	&& !sv_derived_from (sv, "IO::AIO::REQ")))	321	&& !sv_derived_from (sv, "IO::AIO::REQ")))
294	croak ("object of class IO::AIO::REQ expected");	322	croak ("object of class IO::AIO::REQ expected");
295		323
296	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	324	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
297		325
298	return mg ? (aio_req)mg->mg_ptr : 0;	326	return mg ? (aio_req)mg->mg_ptr : 0;
299	}	327	}
300		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
301	static void aio_grp_feed (aio_req grp)	341	aio_grp_feed (aio_req grp)
302	{	342	{
303	if (grp->sv2 && SvOK (grp->sv2))	343	if (grp->sv2 && SvOK (grp->sv2))
304	{	344	{
305	dSP;	345	dSP;
306		346
…		…
314	FREETMPS;	354	FREETMPS;
315	LEAVE;	355	LEAVE;
316	}	356	}
317	}	357	}
318		358
		359	static void
319	static void req_submit (eio_req *req)	360	req_submit (eio_req *req)
320	{	361	{
321	eio_submit (req);	362	eio_submit (req);
322		363
323	if (expect_false (on_next_submit))	364	if (expect_false (on_next_submit))
324	{	365	{
…		…
331	PUTBACK;	372	PUTBACK;
332	call_sv (cb, G_DISCARD | G_EVAL);	373	call_sv (cb, G_DISCARD | G_EVAL);
333	}	374	}
334	}	375	}
335		376
		377	static int
336	static int req_invoke (eio_req *req)	378	req_invoke (eio_req *req)
337	{	379	{
338	if (req->flags & FLAG_SV2_RO_OFF)	380	if (req->flags & FLAG_SV2_RO_OFF)
339	SvREADONLY_off (req->sv2);	381	SvREADONLY_off (req->sv2);
340		382
341	if (!EIO_CANCELLED (req) && req->callback)	383	if (!EIO_CANCELLED (req) && req->callback)
…		…
352	/* do not recreate the result IV from scratch each time */	394	/* do not recreate the result IV from scratch each time */
353	if (expect_true (sv_result_cache))	395	if (expect_true (sv_result_cache))
354	{	396	{
355	sv_result = sv_result_cache; sv_result_cache = 0;	397	sv_result = sv_result_cache; sv_result_cache = 0;
356	SvIV_set (sv_result, req->result);	398	SvIV_set (sv_result, req->result);
		399	SvIOK_only (sv_result);
357	}	400	}
358	else	401	else
359	{	402	{
360	sv_result = newSViv (req->result);	403	sv_result = newSViv (req->result);
361	SvREADONLY_on (sv_result);	404	SvREADONLY_on (sv_result);
362	}	405	}
363		406
364	switch (req->type)	407	switch (req->type)
365	{	408	{
		409	case EIO_WD_OPEN:
		410	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		411	break;
		412
366	case EIO_READDIR:	413	case EIO_READDIR:
367	{	414	{
368	SV *rv = &PL_sv_undef;	415	SV *rv = &PL_sv_undef;
369		416
370	if (req->result >= 0)	417	if (req->result >= 0)
…		…
458	case EIO_STATVFS:	505	case EIO_STATVFS:
459	case EIO_FSTATVFS:	506	case EIO_FSTATVFS:
460	{	507	{
461	SV *rv = &PL_sv_undef;	508	SV *rv = &PL_sv_undef;
462		509
		510	#ifndef _WIN32
463	if (req->result >= 0)	511	if (req->result >= 0)
464	{	512	{
465	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	513	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
466	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));
467		520
468	rv = sv_2mortal (newRV_noinc ((SV *)hv));	521	rv = sv_2mortal (newRV_noinc ((SV *)hv));
469		522
470	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);
471	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);
…		…
473	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);
474	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);
475	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);
476	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);
477	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);
478	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	531	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
479	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);
480	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);
481	}	534	}
		535	#endif
482		536
483	PUSHs (rv);	537	PUSHs (rv);
484	}	538	}
485		539
486	break;	540	break;
…		…
502	case EIO_NOP:	556	case EIO_NOP:
503	case EIO_BUSY:	557	case EIO_BUSY:
504	break;	558	break;
505		559
506	case EIO_READLINK:	560	case EIO_READLINK:
		561	case EIO_REALPATH:
507	if (req->result > 0)	562	if (req->result > 0)
508	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	563	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
509	break;	564	break;
510		565
511	case EIO_STAT:	566	case EIO_STAT:
512	case EIO_LSTAT:	567	case EIO_LSTAT:
513	case EIO_FSTAT:	568	case EIO_FSTAT:
514	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	569	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		570
515	PL_laststatval = req->result;	571	if (!(PL_laststatval = req->result))
		572	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
516	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	573	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		574
517	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)));
518	break;	580	break;
519		581
520	case EIO_READ:	582	case EIO_READ:
521	{	583	{
522	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));
…		…
525	SvSETMAGIC (req->sv2);	587	SvSETMAGIC (req->sv2);
526	PUSHs (sv_result);	588	PUSHs (sv_result);
527	}	589	}
528	break;	590	break;
529		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
530	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	632	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
531	if (req->result > 0)	633	if (req->result > 0)
532	SvIV_set (sv_result, 0);	634	SvIV_set (sv_result, 0);
533	/* FALLTHROUGH */	635	/* FALLTHROUGH */
534		636
535	default:	637	default:
…		…
555	}	657	}
556		658
557	return !!SvTRUE (ERRSV);	659	return !!SvTRUE (ERRSV);
558	}	660	}
559		661
		662	static void
560	static void req_destroy (aio_req req)	663	req_destroy (aio_req req)
561	{	664	{
562	if (req->self)	665	if (req->self)
563	{	666	{
564	sv_unmagic (req->self, PERL_MAGIC_ext);	667	sv_unmagic (req->self, PERL_MAGIC_ext);
565	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
566	}	669	}
567		670
568	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
569	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
570	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
571		676
572	Safefree (req);	677	free (req);
573	}	678	}
574		679
		680	static void
575	static void req_cancel_subs (aio_req grp)	681	req_cancel_subs (aio_req grp)
576	{	682	{
577	aio_req sub;
578
579	if (grp->type != EIO_GROUP)	683	if (grp->type != EIO_GROUP)
580	return;	684	return;
581		685
582	SvREFCNT_dec (grp->sv2);	686	SvREFCNT_dec (grp->sv2);
583	grp->sv2 = 0;	687	grp->sv2 = 0;
584		688
585	eio_grp_cancel (grp);	689	eio_grp_cancel (grp);
586	}	690	}
587		691
588	static void	692	static void ecb_cold
589	create_respipe (void)	693	create_respipe (void)
590	{	694	{
591	if (s_epipe_renew (&respipe))	695	if (s_epipe_renew (&respipe))
592	croak ("IO::AIO: unable to initialize result pipe");	696	croak ("IO::AIO: unable to initialize result pipe");
593	}	697	}
594		698
595	static void poll_wait (void)	699	static void
		700	poll_wait (void)
596	{	701	{
597	while (eio_nreqs ())	702	while (eio_nreqs ())
598	{	703	{
599	int size;	704	int size;
600		705
…		…
609		714
610	s_epipe_wait (&respipe);	715	s_epipe_wait (&respipe);
611	}	716	}
612	}	717	}
613		718
614	static int poll_cb (void)	719	static int
		720	poll_cb (void)
615	{	721	{
616	for (;;)	722	for (;;)
617	{	723	{
618	int res = eio_poll ();	724	int res = eio_poll ();
619		725
…		…
625		731
626	poll_wait ();	732	poll_wait ();
627	}	733	}
628	}	734	}
629		735
630	static void atfork_child (void)	736	static void ecb_cold
		737	reinit (void)
631	{	738	{
632	create_respipe ();	739	create_respipe ();
		740
		741	if (eio_init (want_poll, done_poll) < 0)
		742	croak ("IO::AIO: unable to initialise eio library");
633	}	743	}
634		744
635	/*****************************************************************************/	745	/*****************************************************************************/
636		746
637	#if !_POSIX_MAPPED_FILES	747	#if !_POSIX_MAPPED_FILES
638	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
639	# define munmap(addr,length) (errno = ENOSYS, -1)	749	# define munmap(addr,length) EIO_ENOSYS ()
		750	#endif
		751
		752	#if !_POSIX_MEMORY_PROTECTION
640	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
641	# define PROT_NONE 0	754	# define PROT_NONE 0
642	# define PROT_WRITE 0	755	# define PROT_WRITE 0
643	# define MAP_PRIVATE 0	756	# define MAP_PRIVATE 0
644	# define MAP_SHARED 0	757	# define MAP_SHARED 0
645	# define MAP_FIXED 0	758	# define MAP_FIXED 0
646	#endif	759	#endif
647		760
648	#define MMAP_MAGIC PERL_MAGIC_ext	761	#define MMAP_MAGIC PERL_MAGIC_ext
649		762
650	static int	763	static int ecb_cold
651	mmap_free (pTHX_ SV *sv, MAGIC *mg)	764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
652	{	765	{
653	int old_errno = errno;	766	int old_errno = errno;
654	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
655	errno = old_errno;	768	errno = old_errno;
…		…
679	{	792	{
680	SvGETMAGIC (cb_sv);	793	SvGETMAGIC (cb_sv);
681	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
682	}	795	}
683		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
684	#define dREQ \	817	#define dREQ \
685	SV *cb_cv; \	818	aio_req req = dreq (callback); \
686	aio_req req; \
687	int req_pri = next_pri; \
688	next_pri = EIO_PRI_DEFAULT; \
689	\
690	cb_cv = get_cb (callback); \
691	\
692	Newz (0, req, 1, eio_req); \
693	if (!req) \
694	croak ("out of memory during eio_req allocation"); \
695	\
696	req->callback = SvREFCNT_inc (cb_cv); \
697	req->pri = req_pri
698		819
699	#define REQ_SEND \	820	#define REQ_SEND \
700	PUTBACK; \	821	PUTBACK; \
701	req_submit (req); \	822	req_submit (req); \
702	SPAGAIN; \	823	SPAGAIN; \
703	\	824	\
704	if (GIMME_V != G_VOID) \	825	if (GIMME_V != G_VOID) \
705	XPUSHs (req_sv (req, aio_req_stash));	826	XPUSHs (req_sv (req, aio_req_stash));
706		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
707	MODULE = IO::AIO PACKAGE = IO::AIO	894	MODULE = IO::AIO PACKAGE = IO::AIO
708		895
709	PROTOTYPES: ENABLE	896	PROTOTYPES: ENABLE
710		897
711	BOOT:	898	BOOT:
…		…
715	IV iv;	902	IV iv;
716	} *civ, const_iv[] = {	903	} *civ, const_iv[] = {
717	# define const_niv(name, value) { # name, (IV) value },	904	# define const_niv(name, value) { # name, (IV) value },
718	# define const_iv(name) { # name, (IV) name },	905	# define const_iv(name) { # name, (IV) name },
719	# 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)
720	const_iv (EXDEV)	911	const_iv (EXDEV)
721	const_iv (ENOSYS)	912	const_iv (EBADR)
		913
722	const_iv (O_RDONLY)	914	const_iv (O_RDONLY)
723	const_iv (O_WRONLY)	915	const_iv (O_WRONLY)
724	const_iv (O_RDWR)	916	const_iv (O_RDWR)
725	const_iv (O_CREAT)	917	const_iv (O_CREAT)
726	const_iv (O_TRUNC)	918	const_iv (O_TRUNC)
727	const_iv (O_EXCL)	919	const_iv (O_EXCL)
728	const_iv (O_APPEND)	920	const_iv (O_APPEND)
729	#ifndef _WIN32	921
		922	const_iv (O_ASYNC)
		923	const_iv (O_DIRECT)
		924	const_iv (O_NOATIME)
		925
		926	const_iv (O_CLOEXEC)
		927	const_iv (O_NOCTTY)
		928	const_iv (O_NOFOLLOW)
		929	const_iv (O_NONBLOCK)
		930	const_iv (O_EXEC)
		931	const_iv (O_SEARCH)
		932	const_iv (O_DIRECTORY)
		933	const_iv (O_DSYNC)
		934	const_iv (O_RSYNC)
		935	const_iv (O_SYNC)
		936	const_iv (O_TTY_INIT)
		937
730	const_iv (S_IFIFO)	938	const_iv (S_IFIFO)
731	#endif	939	const_iv (S_IFCHR)
		940	const_iv (S_IFBLK)
		941	const_iv (S_IFLNK)
		942	const_iv (S_IFREG)
		943	const_iv (S_IFDIR)
		944	const_iv (S_IFWHT)
		945	const_iv (S_IFSOCK)
		946	const_iv (S_IFMT)
		947
732	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	948	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
733	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	949	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
734	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	950	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
735	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	951	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
736	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	952	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
770	const_iv (MAP_LOCKED)	986	const_iv (MAP_LOCKED)
771	const_iv (MAP_NORESERVE)	987	const_iv (MAP_NORESERVE)
772	const_iv (MAP_POPULATE)	988	const_iv (MAP_POPULATE)
773	const_iv (MAP_NONBLOCK)	989	const_iv (MAP_NONBLOCK)
774		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
775	const_eio (MCL_FUTURE)	1019	const_eio (MCL_FUTURE)
776	const_eio (MCL_CURRENT)	1020	const_eio (MCL_CURRENT)
777		1021
778	const_eio (MS_ASYNC)	1022	const_eio (MS_ASYNC)
779	const_eio (MS_INVALIDATE)	1023	const_eio (MS_INVALIDATE)
…		…
782	const_eio (MT_MODIFY)	1026	const_eio (MT_MODIFY)
783		1027
784	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1028	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
785	const_eio (SYNC_FILE_RANGE_WRITE)	1029	const_eio (SYNC_FILE_RANGE_WRITE)
786	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1031
		1032	const_eio (FALLOC_FL_KEEP_SIZE)
		1033	const_eio (FALLOC_FL_PUNCH_HOLE)
787		1034
788	const_eio (READDIR_DENTS)	1035	const_eio (READDIR_DENTS)
789	const_eio (READDIR_DIRS_FIRST)	1036	const_eio (READDIR_DIRS_FIRST)
790	const_eio (READDIR_STAT_ORDER)	1037	const_eio (READDIR_STAT_ORDER)
791	const_eio (READDIR_FOUND_UNKNOWN)	1038	const_eio (READDIR_FOUND_UNKNOWN)
…		…
802	};	1049	};
803		1050
804	aio_stash = gv_stashpv ("IO::AIO" , 1);	1051	aio_stash = gv_stashpv ("IO::AIO" , 1);
805	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1052	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
806	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);
807		1055
808	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--)
809	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1057	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
810		1058
811	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
812		1060
813	create_respipe ();	1061	reinit ();
814
815	if (eio_init (want_poll, done_poll) < 0)
816	croak ("IO::AIO: unable to initialise eio library");
817
818	/* atfork child called in fifo order, so before eio's handler */
819	X_THREAD_ATFORK (0, 0, atfork_child);
820	}	1062	}
821		1063
822	void	1064	void
		1065	reinit ()
		1066	PROTOTYPE:
		1067
		1068	void
823	max_poll_reqs (int nreqs)	1069	max_poll_reqs (unsigned int nreqs)
824	PROTOTYPE: $	1070	PROTOTYPE: $
825	CODE:	1071	CODE:
826	eio_set_max_poll_reqs (nreqs);	1072	eio_set_max_poll_reqs (nreqs);
827		1073
828	void	1074	void
…		…
830	PROTOTYPE: $	1076	PROTOTYPE: $
831	CODE:	1077	CODE:
832	eio_set_max_poll_time (nseconds);	1078	eio_set_max_poll_time (nseconds);
833		1079
834	void	1080	void
835	min_parallel (int nthreads)	1081	min_parallel (unsigned int nthreads)
836	PROTOTYPE: $	1082	PROTOTYPE: $
837	CODE:	1083	CODE:
838	eio_set_min_parallel (nthreads);	1084	eio_set_min_parallel (nthreads);
839		1085
840	void	1086	void
841	max_parallel (int nthreads)	1087	max_parallel (unsigned int nthreads)
842	PROTOTYPE: $	1088	PROTOTYPE: $
843	CODE:	1089	CODE:
844	eio_set_max_parallel (nthreads);	1090	eio_set_max_parallel (nthreads);
845		1091
846	void	1092	void
847	max_idle (int nthreads)	1093	max_idle (unsigned int nthreads)
848	PROTOTYPE: $	1094	PROTOTYPE: $
849	CODE:	1095	CODE:
850	eio_set_max_idle (nthreads);	1096	eio_set_max_idle (nthreads);
851		1097
852	void	1098	void
		1099	idle_timeout (unsigned int seconds)
		1100	PROTOTYPE: $
		1101	CODE:
		1102	eio_set_idle_timeout (seconds);
		1103
		1104	void
853	max_outstanding (int maxreqs)	1105	max_outstanding (unsigned int maxreqs)
854	PROTOTYPE: $	1106	PROTOTYPE: $
855	CODE:	1107	CODE:
856	max_outstanding = maxreqs;	1108	max_outstanding = maxreqs;
857		1109
858	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
859	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)
860	PPCODE:	1124	PPCODE:
861	{	1125	{
862	dREQ;	1126	dREQ;
863		1127
864	req->type = EIO_OPEN;	1128	req->type = EIO_OPEN;
865	req->sv1 = newSVsv (pathname);	1129	req_set_path1 (req, pathname);
866	req->ptr1 = SvPVbyte_nolen (req->sv1);
867	req->int1 = flags;	1130	req->int1 = flags;
868	req->int2 = mode;	1131	req->int2 = mode;
869		1132
870	REQ_SEND;	1133	REQ_SEND;
871	}	1134	}
…		…
873	void	1136	void
874	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
875	ALIAS:	1138	ALIAS:
876	aio_fsync = EIO_FSYNC	1139	aio_fsync = EIO_FSYNC
877	aio_fdatasync = EIO_FDATASYNC	1140	aio_fdatasync = EIO_FDATASYNC
		1141	aio_syncfs = EIO_SYNCFS
878	PPCODE:	1142	PPCODE:
879	{	1143	{
880	int fd = s_fileno_croak (fh, 0);	1144	int fd = s_fileno_croak (fh, 0);
881	dREQ;	1145	dREQ;
882		1146
883	req->type = ix;	1147	req->type = ix;
884	req->sv1 = newSVsv (fh);	1148	req->sv1 = newSVsv (fh);
885	req->int1 = fd;	1149	req->int1 = fd;
886		1150
887	REQ_SEND (req);	1151	REQ_SEND;
888	}	1152	}
889		1153
890	void	1154	void
891	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)
892	PPCODE:	1156	PPCODE:
893	{	1157	{
894	int fd = s_fileno_croak (fh, 0);	1158	int fd = s_fileno_croak (fh, 0);
895	dREQ;	1159	dREQ;
896		1160
897	req->type = EIO_SYNC_FILE_RANGE;	1161	req->type = EIO_SYNC_FILE_RANGE;
898	req->sv1 = newSVsv (fh);	1162	req->sv1 = newSVsv (fh);
899	req->int1 = fd;	1163	req->int1 = fd;
900	req->offs = offset;	1164	req->offs = offset;
901	req->size = nbytes;	1165	req->size = nbytes;
902	req->int2 = flags;	1166	req->int2 = flags;
903		1167
904	REQ_SEND (req);	1168	REQ_SEND;
		1169	}
		1170
		1171	void
		1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1173	PPCODE:
		1174	{
		1175	int fd = s_fileno_croak (fh, 0);
		1176	dREQ;
		1177
		1178	req->type = EIO_FALLOCATE;
		1179	req->sv1 = newSVsv (fh);
		1180	req->int1 = fd;
		1181	req->int2 = mode;
		1182	req->offs = offset;
		1183	req->size = len;
		1184
		1185	REQ_SEND;
905	}	1186	}
906		1187
907	void	1188	void
908	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)
909	PPCODE:	1190	PPCODE:
910	{	1191	{
911	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 */
912	int fd = s_fileno_croak (fh, 0);	1193	int fd = s_fileno_croak (fh, 0);
913	dREQ;	1194	dREQ;
914		1195
915	if (close_pipe < 0)	1196	if (expect_false (close_fd < 0))
916	{	1197	{
917	int pipefd [2];	1198	int pipefd [2];
918		1199
		1200	if (
		1201	#ifdef _WIN32
		1202	_pipe (pipefd, 1, _O_BINARY) < 0
		1203	#else
919	if (pipe (pipefd) < 0	1204	pipe (pipefd) < 0
920	|| close (pipefd [1]) < 0
921	|| 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	)
922	abort (); /*D*/	1209	abort (); /*D*/
923		1210
924	close_pipe = pipefd [0];	1211	close_fd = pipefd [0];
925	}	1212	}
926		1213
927	req->type = EIO_DUP2;	1214	req->type = EIO_DUP2;
928	req->int1 = close_pipe;	1215	req->int1 = close_fd;
929	req->sv2 = newSVsv (fh);	1216	req->sv2 = newSVsv (fh);
930	req->int2 = fd;	1217	req->int2 = fd;
931		1218
932	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;
933	}	1236	}
934		1237
935	void	1238	void
936	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)
937	ALIAS:	1240	ALIAS:
…		…
958	}	1261	}
959	else	1262	else
960	{	1263	{
961	/* read: check type and grow scalar as necessary */	1264	/* read: check type and grow scalar as necessary */
962	SvUPGRADE (data, SVt_PV);	1265	SvUPGRADE (data, SVt_PV);
		1266	if (SvLEN (data) >= SvCUR (data))
963	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");
964	}	1270	}
965		1271
966	{	1272	{
967	dREQ;	1273	dREQ;
968		1274
…		…
984	REQ_SEND;	1290	REQ_SEND;
985	}	1291	}
986	}	1292	}
987		1293
988	void	1294	void
989	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
		1296	ALIAS:
		1297	aio_readlink = EIO_READLINK
		1298	aio_realpath = EIO_REALPATH
990	PPCODE:	1299	PPCODE:
991	{	1300	{
992	SV *data;
993	dREQ;	1301	dREQ;
994		1302
995	req->type = EIO_READLINK;	1303	req->type = ix;
996	req->sv1 = newSVsv (path);	1304	req_set_path1 (req, pathname);
997	req->ptr1 = SvPVbyte_nolen (req->sv1);
998		1305
999	REQ_SEND;	1306	REQ_SEND;
1000	}	1307	}
1001		1308
1002	void	1309	void
1003	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)
1004	PPCODE:	1311	PPCODE:
1005	{	1312	{
1006	int ifd = s_fileno_croak (in_fh , 0);	1313	int ifd = s_fileno_croak (in_fh , 0);
1007	int ofd = s_fileno_croak (out_fh, 1);	1314	int ofd = s_fileno_croak (out_fh, 1);
1008	dREQ;	1315	dREQ;
1009		1316
1010	req->type = EIO_SENDFILE;	1317	req->type = EIO_SENDFILE;
1011	req->sv1 = newSVsv (out_fh);	1318	req->sv1 = newSVsv (out_fh);
1012	req->int1 = ofd;	1319	req->int1 = ofd;
…		…
1020		1327
1021	void	1328	void
1022	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)
1023	PPCODE:	1330	PPCODE:
1024	{	1331	{
1025	int fd = s_fileno_croak (fh, 0);	1332	int fd = s_fileno_croak (fh, 0);
1026	dREQ;	1333	dREQ;
1027		1334
1028	req->type = EIO_READAHEAD;	1335	req->type = EIO_READAHEAD;
1029	req->sv1 = newSVsv (fh);	1336	req->sv1 = newSVsv (fh);
1030	req->int1 = fd;	1337	req->int1 = fd;
…		…
1042	aio_statvfs = EIO_STATVFS	1349	aio_statvfs = EIO_STATVFS
1043	PPCODE:	1350	PPCODE:
1044	{	1351	{
1045	dREQ;	1352	dREQ;
1046		1353
1047	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1048
1049	if (SvPOK (req->sv1))
1050	{
1051	req->type = ix;
1052	req->ptr1 = SvPVbyte_nolen (req->sv1);
1053	}
1054	else
1055	{
1056	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1057	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1058	}
1059		1355
1060	REQ_SEND;	1356	REQ_SEND;
1061	}	1357	}
		1358
		1359	UV
		1360	major (UV dev)
		1361	ALIAS:
		1362	minor = 1
		1363	CODE:
		1364	RETVAL = ix ? major (dev) : minor (dev);
		1365	OUTPUT:
		1366	RETVAL
		1367
		1368	UV
		1369	makedev (UV maj, UV min)
		1370	CODE:
		1371	RETVAL = makedev (maj, min);
		1372	OUTPUT:
		1373	RETVAL
1062		1374
1063	void	1375	void
1064	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1376	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1065	PPCODE:	1377	PPCODE:
1066	{	1378	{
1067	dREQ;	1379	dREQ;
1068		1380
1069	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1070	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1382	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1071	req->sv1 = newSVsv (fh_or_path);	1383	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1072
1073	if (SvPOK (req->sv1))
1074	{
1075	req->type = EIO_UTIME;
1076	req->ptr1 = SvPVbyte_nolen (req->sv1);
1077	}
1078	else
1079	{
1080	req->type = EIO_FUTIME;
1081	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1082	}
1083		1384
1084	REQ_SEND;	1385	REQ_SEND;
1085	}	1386	}
1086		1387
1087	void	1388	void
1088	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)
1089	PPCODE:	1390	PPCODE:
1090	{	1391	{
1091	dREQ;	1392	dREQ;
1092		1393
1093	req->sv1 = newSVsv (fh_or_path);
1094	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1095		1395	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1096	if (SvPOK (req->sv1))
1097	{
1098	req->type = EIO_TRUNCATE;
1099	req->ptr1 = SvPVbyte_nolen (req->sv1);
1100	}
1101	else
1102	{
1103	req->type = EIO_FTRUNCATE;
1104	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1105	}
1106		1396
1107	REQ_SEND;	1397	REQ_SEND;
1108	}	1398	}
1109		1399
1110	void	1400	void
1111	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)
1112	ALIAS:
1113	aio_chmod = EIO_CHMOD
1114	aio_mkdir = EIO_MKDIR
1115	PPCODE:	1402	PPCODE:
1116	{	1403	{
1117	dREQ;	1404	dREQ;
1118		1405
1119	req->int2 = mode;	1406	req->int2 = mode;
1120	req->sv1 = newSVsv (fh_or_path);	1407	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1121
1122	if (SvPOK (req->sv1))
1123	{
1124	req->type = ix;
1125	req->ptr1 = SvPVbyte_nolen (req->sv1);
1126	}
1127	else
1128	{
1129	req->type = EIO_FCHMOD;
1130	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1131	}
1132		1408
1133	REQ_SEND;	1409	REQ_SEND;
1134	}	1410	}
1135		1411
1136	void	1412	void
…		…
1139	{	1415	{
1140	dREQ;	1416	dREQ;
1141		1417
1142	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1143	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1419	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1144	req->sv1 = newSVsv (fh_or_path);	1420	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1145
1146	if (SvPOK (req->sv1))
1147	{
1148	req->type = EIO_CHOWN;
1149	req->ptr1 = SvPVbyte_nolen (req->sv1);
1150	}
1151	else
1152	{
1153	req->type = EIO_FCHOWN;
1154	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1155	}
1156		1421
1157	REQ_SEND;	1422	REQ_SEND;
1158	}	1423	}
1159		1424
1160	void	1425	void
…		…
1162	PPCODE:	1427	PPCODE:
1163	{	1428	{
1164	dREQ;	1429	dREQ;
1165		1430
1166	req->type = EIO_READDIR;	1431	req->type = EIO_READDIR;
1167	req->sv1 = newSVsv (pathname);
1168	req->ptr1 = SvPVbyte_nolen (req->sv1);
1169	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1432	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1170		1433
1171	if (flags & EIO_READDIR_DENTS)	1434	if (flags & EIO_READDIR_DENTS)
1172	req->int1 |= EIO_READDIR_CUSTOM2;	1435	req->int1 |= EIO_READDIR_CUSTOM2;
1173		1436
		1437	req_set_path1 (req, pathname);
		1438
1174	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;
1175	}	1453	}
1176		1454
1177	void	1455	void
1178	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1179	ALIAS:	1457	ALIAS:
…		…
1183	PPCODE:	1461	PPCODE:
1184	{	1462	{
1185	dREQ;	1463	dREQ;
1186		1464
1187	req->type = ix;	1465	req->type = ix;
1188	req->sv1 = newSVsv (pathname);	1466	req_set_path1 (req, pathname);
1189	req->ptr1 = SvPVbyte_nolen (req->sv1);
1190		1467
1191	REQ_SEND;	1468	REQ_SEND;
1192	}	1469	}
1193		1470
1194	void	1471	void
…		…
1197	aio_link = EIO_LINK	1474	aio_link = EIO_LINK
1198	aio_symlink = EIO_SYMLINK	1475	aio_symlink = EIO_SYMLINK
1199	aio_rename = EIO_RENAME	1476	aio_rename = EIO_RENAME
1200	PPCODE:	1477	PPCODE:
1201	{	1478	{
		1479	eio_wd wd2 = 0;
1202	dREQ;	1480	dREQ;
1203		1481
1204	req->type = ix;	1482	req->type = ix;
1205	req->sv1 = newSVsv (oldpath);	1483	req_set_path1 (req, oldpath);
1206	req->ptr1 = SvPVbyte_nolen (req->sv1);	1484	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1207	req->sv2 = newSVsv (newpath);	1485	req->int3 = (long)wd2;
1208	req->ptr2 = SvPVbyte_nolen (req->sv2);
1209		1486
1210	REQ_SEND;	1487	REQ_SEND;
1211	}	1488	}
1212		1489
1213	void	1490	void
…		…
1215	PPCODE:	1492	PPCODE:
1216	{	1493	{
1217	dREQ;	1494	dREQ;
1218		1495
1219	req->type = EIO_MKNOD;	1496	req->type = EIO_MKNOD;
1220	req->sv1 = newSVsv (pathname);
1221	req->ptr1 = SvPVbyte_nolen (req->sv1);
1222	req->int2 = (mode_t)mode;	1497	req->int2 = (mode_t)mode;
1223	req->offs = dev;	1498	req->offs = dev;
		1499	req_set_path1 (req, pathname);
1224		1500
1225	REQ_SEND;	1501	REQ_SEND;
1226	}	1502	}
1227		1503
1228	void	1504	void
…		…
1295		1571
1296	req->type = EIO_MLOCKALL;	1572	req->type = EIO_MLOCKALL;
1297	req->int1 = flags;	1573	req->int1 = flags;
1298		1574
1299	REQ_SEND;	1575	REQ_SEND;
		1576	}
		1577
		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;
1300	}	1599	}
1301		1600
1302	void	1601	void
1303	aio_busy (double delay, SV *callback=&PL_sv_undef)	1602	aio_busy (double delay, SV *callback=&PL_sv_undef)
1304	PPCODE:	1603	PPCODE:
…		…
1428	CODE:	1727	CODE:
1429	RETVAL = posix_fadvise (fh, offset, length, advice);	1728	RETVAL = posix_fadvise (fh, offset, length, advice);
1430	OUTPUT:	1729	OUTPUT:
1431	RETVAL	1730	RETVAL
1432		1731
1433	ssize_t	1732	IV
1434	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1733	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1435	CODE:	1734	CODE:
1436	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1735	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1437	OUTPUT:	1736	OUTPUT:
1438	RETVAL	1737	RETVAL
1439		1738
1440	void	1739	void
1441	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1740	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1442	PPCODE:	1741	PPCODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	1742	sv_unmagic (scalar, MMAP_MAGIC);
1444	{	1743	{
1445	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1744	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1446	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1745	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1479	ALIAS:	1778	ALIAS:
1480	mprotect = 1	1779	mprotect = 1
1481	CODE:	1780	CODE:
1482	{	1781	{
1483	STRLEN svlen;	1782	STRLEN svlen;
1484	void *addr = SvPVbyte (scalar, svlen);	1783	void *addr = SvPVbyte (scalar, svlen);
1485	size_t len = SvUV (length);	1784	size_t len = SvUV (length);
1486		1785
1487	if (offset < 0)	1786	if (offset < 0)
1488	offset += svlen;	1787	offset += svlen;
1489		1788
…		…
1508	int	1807	int
1509	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1808	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1510	CODE:	1809	CODE:
1511	{	1810	{
1512	STRLEN svlen;	1811	STRLEN svlen;
1513	void *addr = SvPVbyte (scalar, svlen);	1812	void *addr = SvPVbyte (scalar, svlen);
1514	size_t len = SvUV (length);	1813	size_t len = SvUV (length);
1515		1814
1516	if (offset < 0)	1815	if (offset < 0)
1517	offset += svlen;	1816	offset += svlen;
1518		1817
…		…
1522	if (!SvOK (length) || len + offset > svlen)	1821	if (!SvOK (length) || len + offset > svlen)
1523	len = svlen - offset;	1822	len = svlen - offset;
1524		1823
1525	addr = (void *)(((intptr_t)addr) + offset);	1824	addr = (void *)(((intptr_t)addr) + offset);
1526	eio_page_align (&addr, &len);	1825	eio_page_align (&addr, &len);
1527	#if _POSIX_MEMLOCK	1826	#if _POSIX_MEMLOCK_RANGE
1528	RETVAL = munlock (addr, len);	1827	RETVAL = munlock (addr, len);
1529	#else	1828	#else
1530	RETVAL = ((errno = ENOSYS), -1);	1829	RETVAL = EIO_ENOSYS ();
1531	#endif	1830	#endif
1532	}	1831	}
1533	OUTPUT:	1832	OUTPUT:
1534	RETVAL	1833	RETVAL
1535		1834
…		…
1537	munlockall ()	1836	munlockall ()
1538	CODE:	1837	CODE:
1539	#if _POSIX_MEMLOCK	1838	#if _POSIX_MEMLOCK
1540	munlockall ();	1839	munlockall ();
1541	#else	1840	#else
1542	RETVAL = -1;	1841	RETVAL = EIO_ENOSYS ();
1543	errno = ENOSYS;
1544	#endif	1842	#endif
1545	OUTPUT:	1843	OUTPUT:
		1844	RETVAL
		1845
		1846	int
		1847	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1848	CODE:
		1849	{
		1850	#if HAVE_LINUX_SPLICE
		1851	loff_t off_in_, off_out_;
		1852	RETVAL = splice (
		1853	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1854	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1855	length, flags
		1856	);
		1857	#else
		1858	RETVAL = EIO_ENOSYS ();
		1859	#endif
		1860	}
		1861	OUTPUT:
		1862	RETVAL
		1863
		1864	int
		1865	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1866	CODE:
		1867	#if HAVE_LINUX_SPLICE
		1868	RETVAL = tee (rfh, wfh, length, flags);
		1869	#else
		1870	RETVAL = EIO_ENOSYS ();
		1871	#endif
		1872	OUTPUT:
1546	RETVAL	1873	RETVAL
1547		1874
1548	void _on_next_submit (SV *cb)	1875	void _on_next_submit (SV *cb)
1549	CODE:	1876	CODE:
1550	SvREFCNT_dec (on_next_submit);	1877	SvREFCNT_dec (on_next_submit);
1551	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1878	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1552		1879
1553	PROTOTYPES: DISABLE	1880	PROTOTYPES: DISABLE
1554		1881
		1882	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1883
		1884	BOOT:
		1885	{
		1886	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1887	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1888	}
		1889
		1890	void
		1891	DESTROY (SV *self)
		1892	CODE:
		1893	{
		1894	aio_wd wd = SvAIO_WD (self);
		1895	#if HAVE_AT
		1896	{
		1897	SV *callback = &PL_sv_undef;
		1898	dREQ; /* clobbers next_pri :/ */
		1899	next_pri = req->pri; /* restore next_pri */
		1900	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1901	req->type = EIO_WD_CLOSE;
		1902	req->wd = wd;
		1903	REQ_SEND;
		1904	}
		1905	#else
		1906	eio_wd_close_sync (wd);
		1907	#endif
		1908	}
		1909
1555	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1910	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1556		1911
1557	void	1912	void
1558	cancel (aio_req_ornot req)	1913	cancel (aio_req_ornot req)
1559	CODE:	1914	CODE:

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