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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.238 by root, Thu Jan 21 23:04:46 2016 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
25	#if !_POSIX_MAPPED_FILES	24	/* the incompetent fool that created musl keeps __linux__, refuses
26	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	25	* to implement any linux standard apis, and also has no way to test
27	# define munmap(addr,length) (errno = ENOSYS, -1)	26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
28	#endif	35	#endif
29		36
30	/* perl namespace pollution */	37	/* perl namespace pollution */
31	#undef VERSION	38	#undef VERSION
32
33	#ifdef _WIN32
34
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions
40	# undef open
41	# undef read
42	# undef write
43	# undef send
44	# undef recv
45	# undef stat
46	# undef fstat
47	# define lstat stat
48	# undef truncate
49	# undef ftruncate
50	# undef open
51	# undef close
52	# undef unlink
53	# undef rmdir
54	# undef rename
55	# undef lseek
56
57	# define chown(a,b,c) (errno = ENOSYS, -1)
58	# define fchown(a,b,c) (errno = ENOSYS, -1)
59	# define fchmod(a,b) (errno = ENOSYS, -1)
60	# define symlink(a,b) (errno = ENOSYS, -1)
61	# define readlink(a,b,c) (errno = ENOSYS, -1)
62	# define mknod(a,b,c) (errno = ENOSYS, -1)
63	# define truncate(a,b) (errno = ENOSYS, -1)
64	# define ftruncate(fd,o) chsize ((fd), (o))
65	# define fsync(fd) _commit (fd)
66	# define opendir(fd) (errno = ENOSYS, 0)
67	# define readdir(fd) (errno = ENOSYS, -1)
68	# define closedir(fd) (errno = ENOSYS, -1)
69	# define mkdir(a,b) mkdir (a)
70
71	#else
72
73	# include <sys/time.h>
74	# include <sys/select.h>
75	# include <unistd.h>
76	# include <utime.h>
77	# include <signal.h>
78	# define EIO_STRUCT_DIRENT struct dirent
79
80	#endif
81		39
82	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
83	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
84	#undef readdir	42	#undef readdir
85	#undef opendir	43	#undef opendir
86	#undef closedir	44	#undef closedir
87		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
88	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
89		82
90	/* use NV for 32 bit perls as it allows larger offsets */
91	#if IVSIZE >= 8
92	# define VAL64 IV
93	# define SvVAL64 SvIV
94	# define newSVval64 newSViv
95	#else	83	#else
96	# define VAL64 NV	84
97	# define SvVAL64 SvNV	85	#include <sys/time.h>
98	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
99	#endif	93	#endif
100		94
101	/*****************************************************************************/	95	/*****************************************************************************/
102		96
103	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
113		107
114	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
115	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
116	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
117		111
118	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
119		113
120	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
121	SV *callback; \	115	SV *callback; \
122	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
123	STRLEN stroffset; \	118	STRLEN stroffset; \
124	SV *self;	119	SV *self;
125		120
126	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
127		122
		123	#include "libeio/config.h"
128	#include "libeio/eio.h"	124	#include "libeio/eio.h"
129		125
130	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
131	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
132	# define NO_FADVISE 1	128	static void req_destroy (eio_req *grp);
133	#endif	129	#define EIO_DESTROY(req) req_destroy (req)
134	#ifndef POSIX_FADV_SEQUENTIAL
135	# define POSIX_FADV_SEQUENTIAL 0
136	#endif
137	#ifndef POSIX_FADV_RANDOM
138	# define POSIX_FADV_RANDOM 0
139	#endif
140	#ifndef POSIX_FADV_NOREUSE
141	# define POSIX_FADV_NOREUSE 0
142	#endif
143	#ifndef POSIX_FADV_WILLNEED
144	# define POSIX_FADV_WILLNEED 0
145	#endif
146	#ifndef POSIX_FADV_DONTNEED
147	# define POSIX_FADV_DONTNEED 0
148	#endif
149		130
150	#ifndef ST_NODEV	131	#include "libeio/eio.c"
151	# define ST_NODEV 0
152	#endif
153	#ifndef ST_NOEXEC
154	# define ST_NOEXEC 0
155	#endif
156	#ifndef ST_SYNCHRONOUS
157	# define ST_SYNCHRONOUS 0
158	#endif
159	#ifndef ST_MANDLOCK
160	# define ST_MANDLOCK 0
161	#endif
162	#ifndef ST_WRITE
163	# define ST_WRITE 0
164	#endif
165	#ifndef ST_APPEND
166	# define ST_APPEND 0
167	#endif
168	#ifndef ST_IMMUTABLE
169	# define ST_IMMUTABLE 0
170	#endif
171	#ifndef ST_NOATIME
172	# define ST_NOATIME 0
173	#endif
174	#ifndef ST_NODIRATIME
175	# define ST_NODIRATIME 0
176	#endif
177	#ifndef ST_RELATIME
178	# define ST_RELATIME 0
179	#endif
180		132
181	#ifndef MCL_CURRENT	133	#if !HAVE_POSIX_FADVISE
182	# define MCL_CURRENT 0	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
183	#endif	135	#endif
184	#ifndef MCL_FUTURE	136
185	# define MCL_FUTURE 0	137	#if !HAVE_POSIX_MADVISE
		138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
186	#endif	139	#endif
187		140
188	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
189	# ifdef MAP_ANON	142	# ifdef MAP_ANON
190	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
191	# else	144	# else
192	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193	# endif	146	# endif
194	#endif	147	#endif
195	#ifndef MAP_HUGETLB
196	# define MAP_HUGETLB 0
197	#endif
198	#ifndef MAP_LOCKED
199	# define MAP_LOCKED 0
200	#endif
201	#ifndef MAP_NORESERVE
202	# define MAP_NORESERVE 0
203	#endif
204	#ifndef MAP_POPULATE
205	# define MAP_POPULATE 0
206	#endif
207	#ifndef MAP_NONBLOCK
208	# define MAP_NONBLOCK 0
209	#endif
210		148
211	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	/* also provides const_iv_ and const_niv_ macros for them */
		151	#include "def0.h"
		152
		153	#ifndef makedev
		154	# define makedev(maj,min) (((maj) << 8) | (min))
		155	#endif
		156	#ifndef major
		157	# define major(dev) ((dev) >> 8)
		158	#endif
		159	#ifndef minor
		160	# define minor(dev) ((dev) & 0xff)
		161	#endif
		162
		163	#if PAGESIZE <= 0
212	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
213	#endif	165	#endif
214		166
215	static int req_invoke (eio_req *req);	167	/*****************************************************************************/
216	#define EIO_FINISH(req) req_invoke (req)	168
217	static void req_destroy (eio_req *grp);	169	static void
218	#define EIO_DESTROY(req) req_destroy (req)	170	fiemap (eio_req *req)
		171	{
		172	req->result = -1;
		173
		174	#if HAVE_FIEMAP
		175	/* assume some c99 */
		176	struct fiemap *fiemap = 0;
		177	size_t end_offset;
		178	int count = req->int3;
		179
		180	req->flags |= EIO_FLAG_PTR1_FREE;
		181
		182	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		183	/* increase in 3.5kb steps */
		184	if (count < 0)
		185	count = 8;
		186
		187	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		188	errno = ENOMEM;
		189	if (!fiemap)
		190	return;
		191
		192	req->ptr1 = fiemap;
		193
		194	fiemap->fm_start = req->offs;
		195	fiemap->fm_length = req->size;
		196	fiemap->fm_flags = req->int2;
		197	fiemap->fm_extent_count = count;
		198
		199	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		200	return;
		201
		202	if (req->int3 >= 0 /* not autosizing */
		203	|| !fiemap->fm_mapped_extents /* no more extents */
		204	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		205	goto done;
		206
		207	/* else we have to loop -
		208	* it would be tempting (actually I tried that first) to just query the
		209	* number of extents needed, but linux often feels like not returning all
		210	* extents, without telling us it left any out. this complicates
		211	* this quite a bit.
		212	*/
		213
		214	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		215
		216	for (;;)
		217	{
		218	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		219	char scratch[3072];
		220	struct fiemap *incmap = (struct fiemap *)scratch;
		221
		222	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		223	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		224	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		225	incmap->fm_flags = fiemap->fm_flags;
		226	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		227
		228	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		229	return;
		230
		231	if (!incmap->fm_mapped_extents)
		232	goto done;
		233
		234	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		235	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		236	errno = ENOMEM;
		237	if (!fiemap)
		238	return;
		239
		240	req->ptr1 = fiemap;
		241
		242	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		243	{
		244	struct fiemap_extent *e = incmap->fm_extents + count;
		245
		246	if (e->fe_logical + e->fe_length >= end_offset)
		247	goto done;
		248
		249	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		250
		251	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		252	goto done;
		253
		254	}
		255	}
		256
		257	done:
		258	req->result = 0;
		259
		260	#else
		261	errno = ENOSYS;
		262	#endif
		263	}
		264
		265	/*****************************************************************************/
219		266
220	enum {	267	enum {
221	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222	};	269	};
223		270
224	#include "libeio/eio.c"
225
226	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
227	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
228		274
229	static SV *on_next_submit;	275	static SV *on_next_submit;
230	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
231	static int max_outstanding;	277	static int max_outstanding;
232		278
233	static s_epipe respipe;	279	static s_epipe respipe;
234		280
235	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
236	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
237		283
238	static void want_poll (void)	284	static void
		285	want_poll (void)
239	{	286	{
240	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
241	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
242	}	289	}
243		290
244	static void done_poll (void)	291	static void
		292	done_poll (void)
245	{	293	{
246	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
247	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
248	}	296	}
249		297
250	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
251	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
252	{	301	{
253	if (!req->self)	302	if (!req->self)
254	{	303	{
255	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
256	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
257	}	306	}
258		307
259	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
260	}	309	}
261		310
262	static aio_req SvAIO_REQ (SV *sv)	311	static SV *
		312	newSVaio_wd (aio_wd wd)
		313	{
		314	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		315	}
		316
		317	static aio_req
		318	SvAIO_REQ (SV *sv)
263	{	319	{
264	MAGIC *mg;	320	MAGIC *mg;
265		321
266	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
267	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
268	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
269	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
270	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
271		328
272	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
273		330
274	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
275	}	332	}
276		333
		334	static aio_wd
		335	SvAIO_WD (SV *sv)
		336	{
		337	if (!SvROK (sv)
		338	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		339	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		340	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		341
		342	return (aio_wd)(long)SvIVX (SvRV (sv));
		343	}
		344
		345	static SV *
		346	newmortalFH (int fd, int flags)
		347	{
		348	if (fd < 0)
		349	return &PL_sv_undef;
		350
		351	GV *gv = (GV *)sv_newmortal ();
		352	char sym[64];
		353	int symlen;
		354
		355	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		356	gv_init (gv, aio_stash, sym, symlen, 0);
		357
		358	symlen = snprintf (
		359	sym,
		360	sizeof (sym),
		361	"%s&=%d",
		362	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		363	fd
		364	);
		365
		366	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		367	? (SV *)gv : &PL_sv_undef;
		368	}
		369
		370	static void
277	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
278	{	372	{
279	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
280	{	374	{
281	dSP;	375	dSP;
282		376
…		…
290	FREETMPS;	384	FREETMPS;
291	LEAVE;	385	LEAVE;
292	}	386	}
293	}	387	}
294		388
		389	static void
295	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
296	{	391	{
297	eio_submit (req);	392	eio_submit (req);
298		393
299	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
300	{	395	{
…		…
307	PUTBACK;	402	PUTBACK;
308	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
309	}	404	}
310	}	405	}
311		406
		407	static int
312	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
313	{	409	{
314	dSP;
315
316	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
317	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
318		412
319	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
320	{	414	{
		415	dSP;
		416	static SV *sv_result_cache; /* caches the result integer SV */
		417	SV *sv_result;
		418
321	ENTER;	419	ENTER;
322	SAVETMPS;	420	SAVETMPS;
323	PUSHMARK (SP);	421	PUSHMARK (SP);
324	EXTEND (SP, 1);	422	EXTEND (SP, 1);
325		423
		424	/* do not recreate the result IV from scratch each time */
		425	if (expect_true (sv_result_cache))
		426	{
		427	sv_result = sv_result_cache; sv_result_cache = 0;
		428	SvIV_set (sv_result, req->result);
		429	SvIOK_only (sv_result);
		430	}
		431	else
		432	{
		433	sv_result = newSViv (req->result);
		434	SvREADONLY_on (sv_result);
		435	}
		436
326	switch (req->type)	437	switch (req->type)
327	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
328	case EIO_READDIR:	443	case EIO_READDIR:
329	{	444	{
330	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
331		446
332	if (req->result >= 0)	447	if (req->result >= 0)
…		…
385	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	500	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
386	}	501	}
387	break;	502	break;
388		503
389	case EIO_OPEN:	504	case EIO_OPEN:
390	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
391	/* convert fd to fh */
392	SV *fh = &PL_sv_undef;
393
394	if (req->result >= 0)
395	{
396	GV *gv = (GV *)sv_newmortal ();
397	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
398	char sym [64];
399	int symlen;
400
401	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
402	gv_init (gv, aio_stash, sym, symlen, 0);
403
404	symlen = snprintf (
405	sym,
406	sizeof (sym),
407	"%s&=%d",
408	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
409	(int)req->result
410	);
411
412	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
413	fh = (SV *)gv;
414	}
415
416	PUSHs (fh);
417	}
418	break;	506	break;
419		507
420	case EIO_STATVFS:	508	case EIO_STATVFS:
421	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
422	{	510	{
423	SV *rv = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
424		512
		513	#ifndef _WIN32
425	if (req->result >= 0)	514	if (req->result >= 0)
426	{	515	{
427	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428	HV *hv = newHV ();	517	HV *hv = newHV ();
		518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		519	* chooses to make it a struct.
		520	*/
		521	unsigned long fsid = 0;
		522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
429		523
430	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
431		525
432	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	526	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
433	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	527	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
435	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	529	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
436	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	530	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
437	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	531	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
438	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	532	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
439	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	533	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
441	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	535	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443	}	537	}
		538	#endif
444		539
445	PUSHs (rv);	540	PUSHs (rv);
446	}	541	}
447		542
448	break;	543	break;
…		…
464	case EIO_NOP:	559	case EIO_NOP:
465	case EIO_BUSY:	560	case EIO_BUSY:
466	break;	561	break;
467		562
468	case EIO_READLINK:	563	case EIO_READLINK:
		564	case EIO_REALPATH:
469	if (req->result > 0)	565	if (req->result > 0)
470	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	566	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471	break;	567	break;
472		568
473	case EIO_STAT:	569	case EIO_STAT:
474	case EIO_LSTAT:	570	case EIO_LSTAT:
475	case EIO_FSTAT:	571	case EIO_FSTAT:
476	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
477	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
478	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479	PUSHs (sv_2mortal (newSViv (req->result)));	577
		578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
480	break;	583	break;
481		584
482	case EIO_READ:	585	case EIO_READ:
483	{	586	{
484	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	587	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485	*SvEND (req->sv2) = 0;	588	*SvEND (req->sv2) = 0;
486	SvPOK_only (req->sv2);	589	SvPOK_only (req->sv2);
487	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
488	PUSHs (sv_2mortal (newSViv (req->result)));	591	PUSHs (sv_result);
489	}	592	}
490	break;	593	break;
491		594
492	case EIO_DUP2:	595	case EIO_CUSTOM:
		596	if (req->feed == fiemap)
		597	{
		598	#if HAVE_FIEMAP
		599	if (!req->result)
		600	{
		601	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		602
		603	if (fiemap->fm_extent_count)
		604	{
		605	AV *av = newAV ();
		606	int i;
		607
		608	while (fiemap->fm_mapped_extents)
		609	{
		610	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		611	AV *ext_av = newAV ();
		612
		613	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		614	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		615	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		616	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		617
		618	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		619	}
		620
		621	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		622	}
		623	else
		624	{
		625	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		626	PUSHs (sv_result);
		627	}
		628	}
		629	#endif
		630	}
		631	else
		632	PUSHs (sv_result);
		633	break;
		634
		635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493	if (req->result > 0)	636	if (req->result > 0)
494	req->result = 0;	637	SvIV_set (sv_result, 0);
495	/* FALLTHROUGH */	638	/* FALLTHROUGH */
496		639
497	default:	640	default:
498	PUSHs (sv_2mortal (newSViv (req->result)));	641	PUSHs (sv_result);
499	break;	642	break;
500	}	643	}
501		644
502	errno = req->errorno;	645	errno = req->errorno;
503		646
504	PUTBACK;	647	PUTBACK;
505	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	648	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506	SPAGAIN;	649	SPAGAIN;
507		650
		651	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		652	SvREFCNT_dec (sv_result);
		653	else
		654	sv_result_cache = sv_result;
		655
508	FREETMPS;	656	FREETMPS;
509	LEAVE;	657	LEAVE;
510		658
511	PUTBACK;	659	PUTBACK;
512	}	660	}
513		661
514	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
515	}	663	}
516		664
		665	static void
517	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
518	{	667	{
519	if (req->self)	668	if (req->self)
520	{	669	{
521	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
522	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
523	}	672	}
524		673
525	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
526	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
527	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
528		679
529	Safefree (req);	680	free (req);
530	}	681	}
531		682
		683	static void
532	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
533	{	685	{
534	aio_req sub;
535
536	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
537	return;	687	return;
538		688
539	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
540	grp->sv2 = 0;	690	grp->sv2 = 0;
541		691
542	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
543	}	693	}
544		694
545	static void	695	static void ecb_cold
546	create_respipe (void)	696	create_respipe (void)
547	{	697	{
548	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
549	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
550	}	700	}
551		701
552	static void poll_wait (void)	702	static void
		703	poll_wait (void)
553	{	704	{
554	while (eio_nreqs ())	705	while (eio_nreqs ())
555	{	706	{
556	int size;	707	int size;
557		708
558	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
559	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
560	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
561		712
562	if (size)	713	if (size)
563	return;	714	return;
564		715
565	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
566		717
567	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
568	}	719	}
569	}	720	}
570		721
571	static int poll_cb (void)	722	static int
		723	poll_cb (void)
572	{	724	{
573	for (;;)	725	for (;;)
574	{	726	{
575	int res = eio_poll ();	727	int res = eio_poll ();
576		728
…		…
582		734
583	poll_wait ();	735	poll_wait ();
584	}	736	}
585	}	737	}
586		738
587	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
588	{	741	{
589	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
590	}	746	}
591		747
592	/*****************************************************************************/	748	/*****************************************************************************/
593		749
		750	#if !_POSIX_MAPPED_FILES
		751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		752	# define munmap(addr,length) EIO_ENOSYS ()
		753	#endif
		754
		755	#if !_POSIX_MEMORY_PROTECTION
		756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		757	#endif
		758
594	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
595		760
596	static int	761	static int ecb_cold
597	mmap_free (pTHX_ SV *sv, MAGIC *mg)	762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
598	{	763	{
599	int old_errno = errno;	764	int old_errno = errno;
600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601	errno = old_errno;	766	errno = old_errno;
602		767
603	mg->mg_obj = 0; /* just in case */	768	mg->mg_obj = 0; /* just in case */
604		769
605	SvREADONLY_off (sv);	770	SvREADONLY_off (sv);
		771
		772	if (SvPVX (sv) != mg->mg_ptr)
		773	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		774
606	SvCUR_set (sv, 0);	775	SvCUR_set (sv, 0);
607	SvLEN_set (sv, 0);
608	SvPVX (sv) = 0;	776	SvPVX (sv) = 0;
609	SvOK_off (sv);	777	SvOK_off (sv);
610		778
611	return 0;	779	return 0;
612	}	780	}
…		…
622	{	790	{
623	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625	}	793	}
626		794
		795	static aio_req ecb_noinline
		796	dreq (SV *callback)
		797	{
		798	SV *cb_cv;
		799	aio_req req;
		800	int req_pri = next_pri;
		801	next_pri = EIO_PRI_DEFAULT;
		802
		803	cb_cv = get_cb (callback);
		804
		805	req = calloc (sizeof (*req), 1);
		806	if (!req)
		807	croak ("out of memory during eio_req allocation");
		808
		809	req->callback = SvREFCNT_inc (cb_cv);
		810	req->pri = req_pri;
		811
		812	return req;
		813	}
		814
627	#define dREQ \	815	#define dREQ \
628	SV *cb_cv; \	816	aio_req req = dreq (callback); \
629	aio_req req; \
630	int req_pri = next_pri; \
631	next_pri = EIO_PRI_DEFAULT; \
632	\
633	cb_cv = get_cb (callback); \
634	\
635	Newz (0, req, 1, eio_req); \
636	if (!req) \
637	croak ("out of memory during eio_req allocation"); \
638	\
639	req->callback = SvREFCNT_inc (cb_cv); \
640	req->pri = req_pri
641		817
642	#define REQ_SEND \	818	#define REQ_SEND \
643	PUTBACK; \	819	PUTBACK; \
644	req_submit (req); \	820	req_submit (req); \
645	SPAGAIN; \	821	SPAGAIN; \
646	\	822	\
647	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
648	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
649		825
		826	ecb_inline void
		827	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		828	{
		829	if (expect_false (SvROK (path)))
		830	{
		831	SV *rv = SvRV (path);
		832	SV *wdob;
		833
		834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
		841	*wd = SvAIO_WD (wdob);
		842	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		843	}
		844	else
		845	*wd = EIO_INVALID_WD;
		846	}
		847	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		848	{
		849	*wd = (aio_wd)(long)SvIVX (rv);
		850	*wdsv = SvREFCNT_inc_NN (rv);
		851	*ptr = ".";
		852	return; /* path set to "." */
		853	}
		854	else
		855	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		856	}
		857
		858	*pathsv = newSVsv (path);
		859	*ptr = SvPVbyte_nolen (*pathsv);
		860	}
		861
		862	static void ecb_noinline
		863	req_set_path1 (aio_req req, SV *path)
		864	{
		865	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		870	{
		871	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		872
		873	switch (SvTYPE (rv))
		874	{
		875	case SVt_PVIO:
		876	case SVt_PVLV:
		877	case SVt_PVGV:
		878	req->type = type_fh;
		879	req->sv1 = newSVsv (fh_or_path);
		880	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		881	break;
		882
		883	default:
		884	req->type = type_path;
		885	req_set_path1 (req, fh_or_path);
		886	break;
		887	}
		888	}
		889
		890	XS(boot_IO__AIO) ecb_cold;
		891
650	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
651		893
652	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
653		895
654	BOOT:	896	BOOT:
…		…
658	IV iv;	900	IV iv;
659	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
660	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
661	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
662	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
		905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
		908	const_iv (ENOSYS)
663	const_iv (EXDEV)	909	const_iv (EXDEV)
664	const_iv (ENOSYS)	910	const_iv (EBADR)
665	const_iv (O_RDONLY)	911
666	const_iv (O_WRONLY)	912	/* for lseek */
667	const_iv (O_CREAT)	913	const_iv (SEEK_DATA)
668	const_iv (O_TRUNC)
669	#ifndef _WIN32
670	const_iv (S_IFIFO)	914	const_iv (SEEK_HOLE)
671	#endif	915
672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		922
		923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		928
		929	/* the second block will be 0 when missing */
		930	const_iv (O_RDONLY)
		931	const_iv (O_WRONLY)
		932	const_iv (O_RDWR)
		933	const_iv (O_CREAT)
		934	const_iv (O_TRUNC)
		935	const_iv (O_EXCL)
		936	const_iv (O_APPEND)
		937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
		954	const_iv (O_TTY_INIT)
		955
		956	const_iv (S_IFIFO)
		957	const_iv (S_IFCHR)
		958	const_iv (S_IFBLK)
		959	const_iv (S_IFLNK)
		960	const_iv (S_IFREG)
		961	const_iv (S_IFDIR)
		962	const_iv (S_IFWHT)
		963	const_iv (S_IFSOCK)
		964	const_iv (S_IFMT)
678		965
679	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
680	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
681	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
682	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
687	const_iv (ST_IMMUTABLE)	974	const_iv (ST_IMMUTABLE)
688	const_iv (ST_NOATIME)	975	const_iv (ST_NOATIME)
689	const_iv (ST_NODIRATIME)	976	const_iv (ST_NODIRATIME)
690	const_iv (ST_RELATIME)	977	const_iv (ST_RELATIME)
691		978
		979	const_iv (PROT_NONE)
692	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
693	const_iv (PROT_NONE)
694	const_iv (PROT_READ)	981	const_iv (PROT_READ)
695	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
696		983
697	/*const_iv (MAP_FIXED)*/
698	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
699	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
700	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
701		988
702	/* linuxish */	989	/* linuxish */
703	const_iv (MAP_HUGETLB)
704	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
705	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
706	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
707	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
		994	const_iv (MAP_GROWSDOWN)
		995	const_iv (MAP_32BIT)
		996	const_iv (MAP_HUGETLB)
		997	const_iv (MAP_STACK)
708		998
		999	const_iv (FIEMAP_FLAG_SYNC)
		1000	const_iv (FIEMAP_FLAG_XATTR)
		1001	const_iv (FIEMAP_FLAGS_COMPAT)
		1002	const_iv (FIEMAP_EXTENT_LAST)
		1003	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1004	const_iv (FIEMAP_EXTENT_DELALLOC)
		1005	const_iv (FIEMAP_EXTENT_ENCODED)
		1006	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1007	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1008	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1009	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1010	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1011	const_iv (FIEMAP_EXTENT_MERGED)
		1012	const_iv (FIEMAP_EXTENT_SHARED)
		1013
		1014	const_iv (SPLICE_F_MOVE)
		1015	const_iv (SPLICE_F_NONBLOCK)
		1016	const_iv (SPLICE_F_MORE)
		1017	const_iv (SPLICE_F_GIFT)
		1018
		1019	/* these are libeio constants, and are independent of gendef0 */
		1020	const_eio (SEEK_SET)
		1021	const_eio (SEEK_CUR)
		1022	const_eio (SEEK_END)
		1023
709	const_iv (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
710	const_iv (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
711		1026
712	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
713	const_eio (MS_INVALIDATE)	1028	const_eio (MS_INVALIDATE)
714	const_eio (MS_SYNC)	1029	const_eio (MS_SYNC)
715		1030
716	const_eio (MT_MODIFY)	1031	const_eio (MT_MODIFY)
717		1032
718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1035	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1036
		1037	const_eio (FALLOC_FL_KEEP_SIZE)
		1038	const_eio (FALLOC_FL_PUNCH_HOLE)
		1039	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1040	const_eio (FALLOC_FL_ZERO_RANGE)
721		1041
722	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
723	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
724	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
725	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
736	};	1056	};
737		1057
738	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1060	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1061	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741		1062
742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1063	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
743	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744		1065
745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746		1067
747	create_respipe ();	1068	reinit ();
748
749	if (eio_init (want_poll, done_poll) < 0)
750	croak ("IO::AIO: unable to initialise eio library");
751
752	/* atfork child called in fifo order, so before eio's handler */
753	X_THREAD_ATFORK (0, 0, atfork_child);
754	}	1069	}
755		1070
756	void	1071	void
		1072	reinit ()
		1073	PROTOTYPE:
		1074
		1075	void
757	max_poll_reqs (int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
758	PROTOTYPE: $	1077	PROTOTYPE: $
759	CODE:	1078	CODE:
760	eio_set_max_poll_reqs (nreqs);	1079	eio_set_max_poll_reqs (nreqs);
761		1080
762	void	1081	void
…		…
764	PROTOTYPE: $	1083	PROTOTYPE: $
765	CODE:	1084	CODE:
766	eio_set_max_poll_time (nseconds);	1085	eio_set_max_poll_time (nseconds);
767		1086
768	void	1087	void
769	min_parallel (int nthreads)	1088	min_parallel (unsigned int nthreads)
770	PROTOTYPE: $	1089	PROTOTYPE: $
771	CODE:	1090	CODE:
772	eio_set_min_parallel (nthreads);	1091	eio_set_min_parallel (nthreads);
773		1092
774	void	1093	void
775	max_parallel (int nthreads)	1094	max_parallel (unsigned int nthreads)
776	PROTOTYPE: $	1095	PROTOTYPE: $
777	CODE:	1096	CODE:
778	eio_set_max_parallel (nthreads);	1097	eio_set_max_parallel (nthreads);
779		1098
780	void	1099	void
781	max_idle (int nthreads)	1100	max_idle (unsigned int nthreads)
782	PROTOTYPE: $	1101	PROTOTYPE: $
783	CODE:	1102	CODE:
784	eio_set_max_idle (nthreads);	1103	eio_set_max_idle (nthreads);
785		1104
786	void	1105	void
		1106	idle_timeout (unsigned int seconds)
		1107	PROTOTYPE: $
		1108	CODE:
		1109	eio_set_idle_timeout (seconds);
		1110
		1111	void
787	max_outstanding (int maxreqs)	1112	max_outstanding (unsigned int maxreqs)
788	PROTOTYPE: $	1113	PROTOTYPE: $
789	CODE:	1114	CODE:
790	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
791		1116
792	void	1117	void
793	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
794	PROTOTYPE: $$$;$
795	PPCODE:	1119	PPCODE:
796	{	1120	{
797	dREQ;	1121	dREQ;
798		1122
		1123	req->type = EIO_WD_OPEN;
		1124	req_set_path1 (req, pathname);
		1125
		1126	REQ_SEND;
		1127	}
		1128
		1129	void
		1130	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1131	PPCODE:
		1132	{
		1133	dREQ;
		1134
799	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
800	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
801	req->ptr1 = SvPVbyte_nolen (req->sv1);
802	req->int1 = flags;	1137	req->int1 = flags;
803	req->int2 = mode;	1138	req->int2 = mode;
804		1139
805	REQ_SEND;	1140	REQ_SEND;
806	}	1141	}
807		1142
808	void	1143	void
809	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
810	PROTOTYPE: $;$
811	ALIAS:	1145	ALIAS:
812	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
813	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
814	PPCODE:	1149	PPCODE:
815	{	1150	{
816	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
817	dREQ;	1152	dREQ;
818		1153
819	req->type = ix;	1154	req->type = ix;
820	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
821	req->int1 = fd;	1156	req->int1 = fd;
822		1157
823	REQ_SEND (req);	1158	REQ_SEND;
824	}	1159	}
825		1160
826	void	1161	void
827	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1162	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
828	PROTOTYPE: $$$$;$
829	PPCODE:	1163	PPCODE:
830	{	1164	{
831	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
832	dREQ;	1166	dREQ;
833		1167
834	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
835	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
836	req->int1 = fd;	1170	req->int1 = fd;
837	req->offs = offset;	1171	req->offs = offset;
838	req->size = nbytes;	1172	req->size = nbytes;
839	req->int2 = flags;	1173	req->int2 = flags;
840		1174
841	REQ_SEND (req);	1175	REQ_SEND;
842	}	1176	}
843		1177
844	void	1178	void
845	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1179	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
846	PROTOTYPE: $;$
847	PPCODE:	1180	PPCODE:
848	{	1181	{
849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
851	dREQ;	1183	dREQ;
852		1184
853	if (close_pipe < 0)	1185	req->type = EIO_FALLOCATE;
		1186	req->sv1 = newSVsv (fh);
		1187	req->int1 = fd;
		1188	req->int2 = mode;
		1189	req->offs = offset;
		1190	req->size = len;
		1191
		1192	REQ_SEND;
		1193	}
		1194
		1195	void
		1196	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1197	PPCODE:
		1198	{
		1199	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1200	int fd = s_fileno_croak (fh, 0);
		1201	dREQ;
		1202
		1203	if (expect_false (close_fd < 0))
854	{	1204	{
855	int pipefd [2];	1205	int pipefd [2];
856		1206
		1207	if (
		1208	#ifdef _WIN32
		1209	_pipe (pipefd, 1, _O_BINARY) < 0
		1210	#else
857	if (pipe (pipefd) < 0	1211	pipe (pipefd) < 0
858	|| close (pipefd [1]) < 0
859	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1212	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1213	#endif
		1214	|| close (pipefd [1]) < 0
		1215	)
860	abort (); /*D*/	1216	abort (); /*D*/
861		1217
862	close_pipe = pipefd [0];	1218	close_fd = pipefd [0];
863	}	1219	}
864		1220
865	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
866	req->int1 = close_pipe;	1222	req->int1 = close_fd;
867	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
868	req->int2 = fd;	1224	req->int2 = fd;
869		1225
870	REQ_SEND (req);	1226	REQ_SEND;
871	}	1227	}
872		1228
873	void	1229	void
		1230	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1231	PPCODE:
		1232	{
		1233	int fd = s_fileno_croak (fh, 0);
		1234	dREQ;
		1235
		1236	req->type = EIO_SEEK;
		1237	req->sv1 = newSVsv (fh);
		1238	req->int1 = fd;
		1239	req->offs = SvVAL64 (offset);
		1240	req->int2 = whence;
		1241
		1242	REQ_SEND;
		1243	}
		1244
		1245	void
874	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1246	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
875	ALIAS:	1247	ALIAS:
876	aio_read = EIO_READ	1248	aio_read = EIO_READ
877	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
878	PROTOTYPE: $$$$$;$
879	PPCODE:	1250	PPCODE:
880	{	1251	{
881	STRLEN svlen;	1252	STRLEN svlen;
882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1253	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883	char *svptr = SvPVbyte (data, svlen);	1254	char *svptr = SvPVbyte (data, svlen);
…		…
896	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
897	}	1268	}
898	else	1269	else
899	{	1270	{
900	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
901	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
902	svptr = SvGROW (data, len + dataoffset + 1);	1273	svptr = sv_grow (data, len + dataoffset + 1);
		1274	else if (SvCUR (data) < len + dataoffset)
		1275	croak ("length + dataoffset outside of scalar, and cannot grow");
903	}	1276	}
904		1277
905	{	1278	{
906	dREQ;	1279	dREQ;
907		1280
…		…
923	REQ_SEND;	1296	REQ_SEND;
924	}	1297	}
925	}	1298	}
926		1299
927	void	1300	void
928	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1301	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
929	PROTOTYPE: $$;$	1302	ALIAS:
		1303	aio_readlink = EIO_READLINK
		1304	aio_realpath = EIO_REALPATH
930	PPCODE:	1305	PPCODE:
931	{	1306	{
932	SV *data;
933	dREQ;	1307	dREQ;
934		1308
935	req->type = EIO_READLINK;	1309	req->type = ix;
936	req->sv1 = newSVsv (path);	1310	req_set_path1 (req, pathname);
937	req->ptr1 = SvPVbyte_nolen (req->sv1);
938		1311
939	REQ_SEND;	1312	REQ_SEND;
940	}	1313	}
941		1314
942	void	1315	void
943	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1316	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
944	PROTOTYPE: $$$$;$
945	PPCODE:	1317	PPCODE:
946	{	1318	{
947	int ifd = s_fileno_croak (in_fh , 0);	1319	int ifd = s_fileno_croak (in_fh , 0);
948	int ofd = s_fileno_croak (out_fh, 1);	1320	int ofd = s_fileno_croak (out_fh, 1);
949	dREQ;	1321	dREQ;
950		1322
951	req->type = EIO_SENDFILE;	1323	req->type = EIO_SENDFILE;
952	req->sv1 = newSVsv (out_fh);	1324	req->sv1 = newSVsv (out_fh);
953	req->int1 = ofd;	1325	req->int1 = ofd;
…		…
958		1330
959	REQ_SEND;	1331	REQ_SEND;
960	}	1332	}
961		1333
962	void	1334	void
963	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1335	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
964	PROTOTYPE: $$$;$
965	PPCODE:	1336	PPCODE:
966	{	1337	{
967	int fd = s_fileno_croak (fh, 0);	1338	int fd = s_fileno_croak (fh, 0);
968	dREQ;	1339	dREQ;
969		1340
970	req->type = EIO_READAHEAD;	1341	req->type = EIO_READAHEAD;
971	req->sv1 = newSVsv (fh);	1342	req->sv1 = newSVsv (fh);
972	req->int1 = fd;	1343	req->int1 = fd;
…		…
975		1346
976	REQ_SEND;	1347	REQ_SEND;
977	}	1348	}
978		1349
979	void	1350	void
980	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1351	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
981	ALIAS:	1352	ALIAS:
982	aio_stat = EIO_STAT	1353	aio_stat = EIO_STAT
983	aio_lstat = EIO_LSTAT	1354	aio_lstat = EIO_LSTAT
984	aio_statvfs = EIO_STATVFS	1355	aio_statvfs = EIO_STATVFS
985	PPCODE:	1356	PPCODE:
986	{	1357	{
987	dREQ;	1358	dREQ;
988		1359
989	req->sv1 = newSVsv (fh_or_path);	1360	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991	if (SvPOK (req->sv1))
992	{
993	req->type = ix;
994	req->ptr1 = SvPVbyte_nolen (req->sv1);
995	}
996	else
997	{
998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000	}
1001		1361
1002	REQ_SEND;	1362	REQ_SEND;
1003	}	1363	}
1004		1364
		1365	UV
		1366	major (UV dev)
		1367	ALIAS:
		1368	minor = 1
		1369	CODE:
		1370	RETVAL = ix ? major (dev) : minor (dev);
		1371	OUTPUT:
		1372	RETVAL
		1373
		1374	UV
		1375	makedev (UV maj, UV min)
		1376	CODE:
		1377	RETVAL = makedev (maj, min);
		1378	OUTPUT:
		1379	RETVAL
		1380
1005	void	1381	void
1006	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1382	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1007	PPCODE:	1383	PPCODE:
1008	{	1384	{
1009	dREQ;	1385	dREQ;
1010		1386
1011	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1387	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1388	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013	req->sv1 = newSVsv (fh_or_path);	1389	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015	if (SvPOK (req->sv1))
1016	{
1017	req->type = EIO_UTIME;
1018	req->ptr1 = SvPVbyte_nolen (req->sv1);
1019	}
1020	else
1021	{
1022	req->type = EIO_FUTIME;
1023	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024	}
1025		1390
1026	REQ_SEND;	1391	REQ_SEND;
1027	}	1392	}
1028		1393
1029	void	1394	void
1030	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1395	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1031	PPCODE:	1396	PPCODE:
1032	{	1397	{
1033	dREQ;	1398	dREQ;
1034		1399
1035	req->sv1 = newSVsv (fh_or_path);
1036	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1400	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037		1401	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038	if (SvPOK (req->sv1))
1039	{
1040	req->type = EIO_TRUNCATE;
1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
1042	}
1043	else
1044	{
1045	req->type = EIO_FTRUNCATE;
1046	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047	}
1048		1402
1049	REQ_SEND;	1403	REQ_SEND;
1050	}	1404	}
1051		1405
1052	void	1406	void
1053	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1407	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1054	ALIAS:
1055	aio_chmod = EIO_CHMOD
1056	aio_mkdir = EIO_MKDIR
1057	PPCODE:	1408	PPCODE:
1058	{	1409	{
1059	dREQ;	1410	dREQ;
1060		1411
1061	req->int2 = mode;	1412	req->int2 = mode;
1062	req->sv1 = newSVsv (fh_or_path);	1413	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064	if (SvPOK (req->sv1))
1065	{
1066	req->type = ix;
1067	req->ptr1 = SvPVbyte_nolen (req->sv1);
1068	}
1069	else
1070	{
1071	req->type = EIO_FCHMOD;
1072	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073	}
1074		1414
1075	REQ_SEND;	1415	REQ_SEND;
1076	}	1416	}
1077		1417
1078	void	1418	void
1079	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1419	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1080	PPCODE:	1420	PPCODE:
1081	{	1421	{
1082	dREQ;	1422	dREQ;
1083		1423
1084	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1424	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1425	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086	req->sv1 = newSVsv (fh_or_path);	1426	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088	if (SvPOK (req->sv1))
1089	{
1090	req->type = EIO_CHOWN;
1091	req->ptr1 = SvPVbyte_nolen (req->sv1);
1092	}
1093	else
1094	{
1095	req->type = EIO_FCHOWN;
1096	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097	}
1098		1427
1099	REQ_SEND;	1428	REQ_SEND;
1100	}	1429	}
1101		1430
1102	void	1431	void
1103	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1432	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1104	PPCODE:	1433	PPCODE:
1105	{	1434	{
1106	dREQ;	1435	dREQ;
1107		1436
1108	req->type = EIO_READDIR;	1437	req->type = EIO_READDIR;
1109	req->sv1 = newSVsv (pathname);
1110	req->ptr1 = SvPVbyte_nolen (req->sv1);
1111	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1438	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112		1439
1113	if (flags & EIO_READDIR_DENTS)	1440	if (flags & EIO_READDIR_DENTS)
1114	req->int1 |= EIO_READDIR_CUSTOM2;	1441	req->int1 |= EIO_READDIR_CUSTOM2;
1115		1442
		1443	req_set_path1 (req, pathname);
		1444
1116	REQ_SEND;	1445	REQ_SEND;
1117	}	1446	}
1118		1447
1119	void	1448	void
		1449	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1450	PPCODE:
		1451	{
		1452	dREQ;
		1453
		1454	req->type = EIO_MKDIR;
		1455	req->int2 = mode;
		1456	req_set_path1 (req, pathname);
		1457
		1458	REQ_SEND;
		1459	}
		1460
		1461	void
1120	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1462	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1121	ALIAS:	1463	ALIAS:
1122	aio_unlink = EIO_UNLINK	1464	aio_unlink = EIO_UNLINK
1123	aio_rmdir = EIO_RMDIR	1465	aio_rmdir = EIO_RMDIR
1124	aio_readdir = EIO_READDIR	1466	aio_readdir = EIO_READDIR
1125	PPCODE:	1467	PPCODE:
1126	{	1468	{
1127	dREQ;	1469	dREQ;
1128		1470
1129	req->type = ix;	1471	req->type = ix;
1130	req->sv1 = newSVsv (pathname);	1472	req_set_path1 (req, pathname);
1131	req->ptr1 = SvPVbyte_nolen (req->sv1);
1132		1473
1133	REQ_SEND;	1474	REQ_SEND;
1134	}	1475	}
1135		1476
1136	void	1477	void
1137	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1478	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1138	ALIAS:	1479	ALIAS:
1139	aio_link = EIO_LINK	1480	aio_link = EIO_LINK
1140	aio_symlink = EIO_SYMLINK	1481	aio_symlink = EIO_SYMLINK
1141	aio_rename = EIO_RENAME	1482	aio_rename = EIO_RENAME
1142	PPCODE:	1483	PPCODE:
1143	{	1484	{
		1485	eio_wd wd2 = 0;
1144	dREQ;	1486	dREQ;
1145		1487
1146	req->type = ix;	1488	req->type = ix;
1147	req->sv1 = newSVsv (oldpath);	1489	req_set_path1 (req, oldpath);
1148	req->ptr1 = SvPVbyte_nolen (req->sv1);	1490	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149	req->sv2 = newSVsv (newpath);	1491	req->int3 = (long)wd2;
1150	req->ptr2 = SvPVbyte_nolen (req->sv2);
1151		1492
1152	REQ_SEND;	1493	REQ_SEND;
1153	}	1494	}
1154		1495
1155	void	1496	void
1156	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1497	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1157	PPCODE:	1498	PPCODE:
1158	{	1499	{
1159	dREQ;	1500	dREQ;
1160		1501
1161	req->type = EIO_MKNOD;	1502	req->type = EIO_MKNOD;
1162	req->sv1 = newSVsv (pathname);
1163	req->ptr1 = SvPVbyte_nolen (req->sv1);
1164	req->int2 = (mode_t)mode;	1503	req->int2 = (mode_t)mode;
1165	req->offs = dev;	1504	req->offs = dev;
		1505	req_set_path1 (req, pathname);
1166		1506
1167	REQ_SEND;	1507	REQ_SEND;
1168	}	1508	}
1169		1509
1170	void	1510	void
1171	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1511	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1172	ALIAS:	1512	ALIAS:
1173	aio_mtouch = EIO_MTOUCH	1513	aio_mtouch = EIO_MTOUCH
1174	aio_msync = EIO_MSYNC	1514	aio_msync = EIO_MSYNC
1175	PROTOTYPE: $$$$;$
1176	PPCODE:	1515	PPCODE:
1177	{	1516	{
1178	STRLEN svlen;	1517	STRLEN svlen;
		1518	char *svptr = SvPVbyte (data, svlen);
1179	UV len = SvUV (length);	1519	UV len = SvUV (length);
1180	char *svptr = SvPVbyte (data, svlen);
1181		1520
1182	if (offset < 0)	1521	if (offset < 0)
1183	offset += svlen;	1522	offset += svlen;
1184		1523
1185	if (offset < 0 || offset > svlen)	1524	if (offset < 0 || offset > svlen)
…		…
1190		1529
1191	{	1530	{
1192	dREQ;	1531	dREQ;
1193		1532
1194	req->type = ix;	1533	req->type = ix;
1195	req->size = len;
1196	req->sv2 = SvREFCNT_inc (data);	1534	req->sv2 = SvREFCNT_inc (data);
1197	req->ptr2 = (char *)svptr + offset;	1535	req->ptr2 = (char *)svptr + offset;
		1536	req->size = len;
1198	req->int1 = flags;	1537	req->int1 = flags;
1199		1538
1200	REQ_SEND;	1539	REQ_SEND;
1201	}	1540	}
1202	}	1541	}
1203		1542
1204	void	1543	void
		1544	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1545	PPCODE:
		1546	{
		1547	STRLEN svlen;
		1548	char *svptr = SvPVbyte (data, svlen);
		1549	UV len = SvUV (length);
		1550
		1551	if (offset < 0)
		1552	offset += svlen;
		1553
		1554	if (offset < 0 || offset > svlen)
		1555	croak ("offset outside of scalar");
		1556
		1557	if (!SvOK (length) || len + offset > svlen)
		1558	len = svlen - offset;
		1559
		1560	{
		1561	dREQ;
		1562
		1563	req->type = EIO_MLOCK;
		1564	req->sv2 = SvREFCNT_inc (data);
		1565	req->ptr2 = (char *)svptr + offset;
		1566	req->size = len;
		1567
		1568	REQ_SEND;
		1569	}
		1570	}
		1571
		1572	void
		1573	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1574	PPCODE:
		1575	{
		1576	dREQ;
		1577
		1578	req->type = EIO_MLOCKALL;
		1579	req->int1 = flags;
		1580
		1581	REQ_SEND;
		1582	}
		1583
		1584	void
		1585	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1586	PPCODE:
		1587	{
		1588	int fd = s_fileno_croak (fh, 0);
		1589	dREQ;
		1590
		1591	req->type = EIO_CUSTOM;
		1592	req->sv1 = newSVsv (fh);
		1593	req->int1 = fd;
		1594
		1595	req->feed = fiemap;
		1596	#if HAVE_FIEMAP
		1597	/* keep our fingers crossed that the next two types are 64 bit */
		1598	req->offs = start;
		1599	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1600	req->int2 = flags;
		1601	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1602	#endif
		1603
		1604	REQ_SEND;
		1605	}
		1606
		1607	void
1205	aio_busy (double delay, SV *callback=&PL_sv_undef)	1608	aio_busy (double delay, SV *callback = &PL_sv_undef)
1206	PPCODE:	1609	PPCODE:
1207	{	1610	{
1208	dREQ;	1611	dREQ;
1209		1612
1210	req->type = EIO_BUSY;	1613	req->type = EIO_BUSY;
…		…
1212		1615
1213	REQ_SEND;	1616	REQ_SEND;
1214	}	1617	}
1215		1618
1216	void	1619	void
1217	aio_group (SV *callback=&PL_sv_undef)	1620	aio_group (SV *callback = &PL_sv_undef)
1218	PROTOTYPE: ;$
1219	PPCODE:	1621	PPCODE:
1220	{	1622	{
1221	dREQ;	1623	dREQ;
1222		1624
1223	req->type = EIO_GROUP;	1625	req->type = EIO_GROUP;
1224		1626
		1627	PUTBACK;
1225	req_submit (req);	1628	req_submit (req);
		1629	SPAGAIN;
		1630
1226	XPUSHs (req_sv (req, aio_grp_stash));	1631	XPUSHs (req_sv (req, aio_grp_stash));
1227	}	1632	}
1228		1633
1229	void	1634	void
1230	aio_nop (SV *callback=&PL_sv_undef)	1635	aio_nop (SV *callback = &PL_sv_undef)
1231	ALIAS:	1636	ALIAS:
1232	aio_nop = EIO_NOP	1637	aio_nop = EIO_NOP
1233	aio_sync = EIO_SYNC	1638	aio_sync = EIO_SYNC
1234	PPCODE:	1639	PPCODE:
1235	{	1640	{
…		…
1239		1644
1240	REQ_SEND;	1645	REQ_SEND;
1241	}	1646	}
1242		1647
1243	int	1648	int
1244	aioreq_pri (int pri = 0)	1649	aioreq_pri (int pri = NO_INIT)
1245	PROTOTYPE: ;$
1246	CODE:	1650	CODE:
1247	RETVAL = next_pri;	1651	RETVAL = next_pri;
1248	if (items > 0)	1652	if (items > 0)
1249	{	1653	{
1250	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1654	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1262	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1666	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263	next_pri = nice;	1667	next_pri = nice;
1264		1668
1265	void	1669	void
1266	flush ()	1670	flush ()
1267	PROTOTYPE:
1268	CODE:	1671	CODE:
1269	while (eio_nreqs ())	1672	while (eio_nreqs ())
1270	{	1673	{
1271	poll_wait ();	1674	poll_wait ();
1272	poll_cb ();	1675	poll_cb ();
1273	}	1676	}
1274		1677
1275	int	1678	int
1276	poll()	1679	poll ()
1277	PROTOTYPE:
1278	CODE:	1680	CODE:
1279	poll_wait ();	1681	poll_wait ();
1280	RETVAL = poll_cb ();	1682	RETVAL = poll_cb ();
1281	OUTPUT:	1683	OUTPUT:
1282	RETVAL	1684	RETVAL
1283		1685
1284	int	1686	int
1285	poll_fileno()	1687	poll_fileno ()
1286	PROTOTYPE:
1287	CODE:	1688	CODE:
1288	RETVAL = s_epipe_fd (&respipe);	1689	RETVAL = s_epipe_fd (&respipe);
1289	OUTPUT:	1690	OUTPUT:
1290	RETVAL	1691	RETVAL
1291		1692
1292	int	1693	int
1293	poll_cb(...)	1694	poll_cb (...)
1294	PROTOTYPE:	1695	PROTOTYPE:
1295	CODE:	1696	CODE:
1296	RETVAL = poll_cb ();	1697	RETVAL = poll_cb ();
1297	OUTPUT:	1698	OUTPUT:
1298	RETVAL	1699	RETVAL
1299		1700
1300	void	1701	void
1301	poll_wait()	1702	poll_wait ()
1302	PROTOTYPE:
1303	CODE:	1703	CODE:
1304	poll_wait ();	1704	poll_wait ();
1305		1705
1306	int	1706	int
1307	nreqs()	1707	nreqs ()
1308	PROTOTYPE:
1309	CODE:	1708	CODE:
1310	RETVAL = eio_nreqs ();	1709	RETVAL = eio_nreqs ();
1311	OUTPUT:	1710	OUTPUT:
1312	RETVAL	1711	RETVAL
1313		1712
1314	int	1713	int
1315	nready()	1714	nready ()
1316	PROTOTYPE:
1317	CODE:	1715	CODE:
1318	RETVAL = eio_nready ();	1716	RETVAL = eio_nready ();
1319	OUTPUT:	1717	OUTPUT:
1320	RETVAL	1718	RETVAL
1321		1719
1322	int	1720	int
1323	npending()	1721	npending ()
1324	PROTOTYPE:
1325	CODE:	1722	CODE:
1326	RETVAL = eio_npending ();	1723	RETVAL = eio_npending ();
1327	OUTPUT:	1724	OUTPUT:
1328	RETVAL	1725	RETVAL
1329		1726
1330	int	1727	int
1331	nthreads()	1728	nthreads ()
1332	PROTOTYPE:
1333	CODE:	1729	CODE:
1334	RETVAL = eio_nthreads ();	1730	RETVAL = eio_nthreads ();
1335	OUTPUT:	1731	OUTPUT:
1336	RETVAL	1732	RETVAL
1337		1733
1338	int	1734	int
1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1735	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340	PROTOTYPE: $$$$
1341	CODE:	1736	CODE:
1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343	RETVAL = posix_fadvise (fh, offset, length, advice);	1737	RETVAL = posix_fadvise (fh, offset, length, advice);
1344	#else
1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346	#endif
1347	OUTPUT:	1738	OUTPUT:
1348	RETVAL	1739	RETVAL
1349		1740
1350	ssize_t	1741	IV
1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1742	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352	PROTOTYPE: $$$$
1353	CODE:	1743	CODE:
1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1744	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355	OUTPUT:	1745	OUTPUT:
1356	RETVAL	1746	RETVAL
1357		1747
1358	void	1748	void
1359	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1749	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1360	PROTOTYPE: $$$$$;$
1361	PPCODE:	1750	PPCODE:
1362	sv_unmagic (scalar, MMAP_MAGIC);	1751	sv_unmagic (scalar, MMAP_MAGIC);
1363	{	1752	{
1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1753	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1754	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366	if (addr == (void *)-1)	1755	if (addr == (void *)-1)
1367	XSRETURN_NO;	1756	XSRETURN_NO;
1368		1757
		1758	sv_force_normal (scalar);
		1759
1369	/* we store the length in mg_obj, as namlen is I32 :/ */	1760	/* we store the length in mg_obj, as namlen is I32 :/ */
1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1761	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371	->mg_obj = (SV *)length;	1762	->mg_obj = (SV *)length;
1372		1763
1373	SvUPGRADE (scalar, SVt_PV); /* nop... */	1764	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1765
1374	if (!(prot & PROT_WRITE))	1766	if (!(prot & PROT_WRITE))
1375	SvREADONLY_on (scalar);	1767	SvREADONLY_on (scalar);
		1768
		1769	if (SvLEN (scalar))
		1770	Safefree (SvPVX (scalar));
1376		1771
1377	SvPVX (scalar) = (char *)addr;	1772	SvPVX (scalar) = (char *)addr;
1378	SvCUR_set (scalar, length);	1773	SvCUR_set (scalar, length);
1379	SvLEN_set (scalar, 0);	1774	SvLEN_set (scalar, 0);
1380	SvPOK_only (scalar);	1775	SvPOK_only (scalar);
…		…
1382	XSRETURN_YES;	1777	XSRETURN_YES;
1383	}	1778	}
1384		1779
1385	void	1780	void
1386	munmap (SV *scalar)	1781	munmap (SV *scalar)
1387	PROTOTYPE: $
1388	CODE:	1782	CODE:
1389	sv_unmagic (scalar, MMAP_MAGIC);	1783	sv_unmagic (scalar, MMAP_MAGIC);
1390		1784
1391	int	1785	int
1392	mlockall (int flags)	1786	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393	PROTOTYPE: $	1787	ALIAS:
		1788	mprotect = 1
1394	CODE:	1789	CODE:
		1790	{
		1791	STRLEN svlen;
		1792	void *addr = SvPVbyte (scalar, svlen);
		1793	STRLEN len = SvUV (length);
		1794
		1795	if (offset < 0)
		1796	offset += svlen;
		1797
		1798	if (offset < 0 || offset > svlen)
		1799	croak ("offset outside of scalar");
		1800
		1801	if (!SvOK (length) || len + offset > svlen)
		1802	len = svlen - offset;
		1803
		1804	addr = (void *)(((intptr_t)addr) + offset);
		1805	eio_page_align (&addr, &len);
		1806
		1807	switch (ix)
		1808	{
		1809	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1810	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1811	}
		1812	}
		1813	OUTPUT:
		1814	RETVAL
		1815
		1816	int
		1817	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1818	CODE:
		1819	{
		1820	STRLEN svlen;
		1821	void *addr = SvPVbyte (scalar, svlen);
		1822	size_t len = SvUV (length);
		1823
		1824	if (offset < 0)
		1825	offset += svlen;
		1826
		1827	if (offset < 0 || offset > svlen)
		1828	croak ("offset outside of scalar");
		1829
		1830	if (!SvOK (length) || len + offset > svlen)
		1831	len = svlen - offset;
		1832
		1833	addr = (void *)(((intptr_t)addr) + offset);
		1834	eio_page_align (&addr, &len);
1395	#if _POSIX_MEMLOCK	1835	#if _POSIX_MEMLOCK_RANGE
1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1836	RETVAL = munlock (addr, len);
1397	extern int mallopt (int, int);
1398	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399	#endif
1400	mlockall (flags);
1401	#else	1837	#else
1402	RETVAL = -1;	1838	RETVAL = EIO_ENOSYS ();
1403	errno = ENOSYS;
1404	#endif	1839	#endif
		1840	}
1405	OUTPUT:	1841	OUTPUT:
1406	RETVAL	1842	RETVAL
1407		1843
1408	int	1844	int
1409	munlockall ()	1845	munlockall ()
1410	PROTOTYPE:
1411	CODE:	1846	CODE:
1412	#if _POSIX_MEMLOCK	1847	#if _POSIX_MEMLOCK
1413	munlockall ();	1848	munlockall ();
1414	#else	1849	#else
1415	RETVAL = -1;	1850	RETVAL = EIO_ENOSYS ();
1416	errno = ENOSYS;
1417	#endif	1851	#endif
1418	OUTPUT:	1852	OUTPUT:
1419	RETVAL	1853	RETVAL
		1854
		1855	int
		1856	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1857	CODE:
		1858	{
		1859	#if HAVE_LINUX_SPLICE
		1860	loff_t off_in_, off_out_;
		1861	RETVAL = splice (
		1862	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1863	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1864	length, flags
		1865	);
		1866	#else
		1867	RETVAL = EIO_ENOSYS ();
		1868	#endif
		1869	}
		1870	OUTPUT:
		1871	RETVAL
		1872
		1873	int
		1874	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1875	CODE:
		1876	#if HAVE_LINUX_SPLICE
		1877	RETVAL = tee (rfh, wfh, length, flags);
		1878	#else
		1879	RETVAL = EIO_ENOSYS ();
		1880	#endif
		1881	OUTPUT:
		1882	RETVAL
		1883
		1884	int
		1885	pipesize (aio_rfd rfh, int new_size = -1)
		1886	PROTOTYPE: $;$
		1887	CODE:
		1888	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1889	if (new_size >= 0)
		1890	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1891	else
		1892	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1893	#else
		1894	errno = ENOSYS;
		1895	RETVAL = -1;
		1896	#endif
		1897	OUTPUT:
		1898	RETVAL
		1899
		1900	void
		1901	pipe2 (int flags = 0)
		1902	PROTOTYPE: ;$
		1903	PPCODE:
		1904	{
		1905	int fd[2];
		1906	int res;
		1907
		1908	if (flags)
		1909	#if HAVE_PIPE2
		1910	res = pipe2 (fd, flags);
		1911	#else
		1912	res = (errno = ENOSYS, -1);
		1913	#endif
		1914	else
		1915	res = pipe (fd);
		1916
		1917	if (!res)
		1918	{
		1919	EXTEND (SP, 2);
		1920	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1921	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1922	}
		1923	}
1420		1924
1421	void _on_next_submit (SV *cb)	1925	void _on_next_submit (SV *cb)
1422	CODE:	1926	CODE:
1423	SvREFCNT_dec (on_next_submit);	1927	SvREFCNT_dec (on_next_submit);
1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1928	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425		1929
1426	PROTOTYPES: DISABLE	1930	PROTOTYPES: DISABLE
1427		1931
		1932	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1933
		1934	BOOT:
		1935	{
		1936	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1937	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1938	}
		1939
		1940	void
		1941	DESTROY (SV *self)
		1942	CODE:
		1943	{
		1944	aio_wd wd = SvAIO_WD (self);
		1945	#if HAVE_AT
		1946	{
		1947	SV *callback = &PL_sv_undef;
		1948	dREQ; /* clobbers next_pri :/ */
		1949	next_pri = req->pri; /* restore next_pri */
		1950	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1951	req->type = EIO_WD_CLOSE;
		1952	req->wd = wd;
		1953	REQ_SEND;
		1954	}
		1955	#else
		1956	eio_wd_close_sync (wd);
		1957	#endif
		1958	}
		1959
1428	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1960	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429		1961
1430	void	1962	void
1431	cancel (aio_req_ornot req)	1963	cancel (aio_req_ornot req)
1432	CODE:	1964	CODE:
1433	eio_cancel (req);	1965	eio_cancel (req);
1434		1966
1435	void	1967	void
1436	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1968	cb (aio_req_ornot req, SV *callback = NO_INIT)
1437	PPCODE:	1969	PPCODE:
1438	{	1970	{
1439	if (GIMME_V != G_VOID)	1971	if (GIMME_V != G_VOID)
1440	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1972	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1441		1973
1442	if (items > 1)	1974	if (items > 1)
1443	{	1975	{
1444	SV *cb_cv =get_cb (callback);	1976	SV *cb_cv = get_cb (callback);
1445		1977
1446	SvREFCNT_dec (req->callback);	1978	SvREFCNT_dec (req->callback);
1447	req->callback = SvREFCNT_inc (cb_cv);	1979	req->callback = SvREFCNT_inc (cb_cv);
1448	}	1980	}
1449	}	1981	}
…		…
1506	limit (aio_req grp, int limit)	2038	limit (aio_req grp, int limit)
1507	CODE:	2039	CODE:
1508	eio_grp_limit (grp, limit);	2040	eio_grp_limit (grp, limit);
1509		2041
1510	void	2042	void
1511	feed (aio_req grp, SV *callback=&PL_sv_undef)	2043	feed (aio_req grp, SV *callback = &PL_sv_undef)
1512	CODE:	2044	CODE:
1513	{	2045	{
1514	SvREFCNT_dec (grp->sv2);	2046	SvREFCNT_dec (grp->sv2);
1515	grp->sv2 = newSVsv (callback);	2047	grp->sv2 = newSVsv (callback);
1516	grp->feed = aio_grp_feed;	2048	grp->feed = aio_grp_feed;

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