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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.174 by root, Mon Nov 1 22:03:43 2010 UTC vs.
Revision 1.247 by root, Fri Jun 23 22:09:50 2017 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
23	#endif	36	#endif
24		37
25	/* perl namespace pollution */	38	/* perl namespace pollution */
26	#undef VERSION	39	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		40
77	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	43	#undef readdir
80	#undef opendir	44	#undef opendir
81	#undef closedir	45	#undef closedir
82		46
		47	#ifdef _WIN32
		48
		49	// perl overrides all those nice libc functions
		50
		51	#undef malloc
		52	#undef free
		53	#undef open
		54	#undef read
		55	#undef write
		56	#undef send
		57	#undef recv
		58	#undef stat
		59	#undef lstat
		60	#undef fstat
		61	#undef truncate
		62	#undef ftruncate
		63	#undef open
		64	#undef link
		65	#undef close
		66	#undef unlink
		67	#undef mkdir
		68	#undef rmdir
		69	#undef rename
		70	#undef lseek
		71	#undef opendir
		72	#undef readdir
		73	#undef closedir
		74	#undef chmod
		75	#undef fchmod
		76	#undef dup
		77	#undef dup2
		78	#undef abort
		79	#undef pipe
		80
		81	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	82	#define EIO_STRUCT_STATI64
84		83
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	84	#else
91	# define VAL64 NV	85
92	# define SvVAL64 SvNV	86	#include <sys/time.h>
93	# define newSVval64 newSVnv	87	#include <sys/select.h>
		88	#include <unistd.h>
		89	#include <utime.h>
		90	#include <signal.h>
		91
		92	#define EIO_STRUCT_STAT Stat_t
		93
94	#endif	94	#endif
95		95
96	/*****************************************************************************/	96	/*****************************************************************************/
97		97
98	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
108		108
109	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
112		112
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		114
115	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
116	SV *callback; \	116	SV *callback; \
117	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
118	STRLEN stroffset; \	119	STRLEN stroffset; \
119	SV *self;	120	SV *self;
120		121
121	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
122		123
		124	#include "libeio/config.h"
123	#include "libeio/eio.h"	125	#include "libeio/eio.h"
124		126
125	#ifndef POSIX_FADV_NORMAL	127	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	128	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	129	static void req_destroy (eio_req *grp);
128	#endif	130	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		131
145	#if _XOPEN_SOURCE < 600 || NO_FADVISE	132	#include "libeio/eio.c"
		133
		134	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	136	#endif
148		137
149	#ifndef POSIX_MADV_NORMAL	138	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef PROT_NONE
171	# define PROT_NONE 0
172	#endif
173	#ifndef PROT_READ
174	# define PROT_READ 0
175	#endif
176	#ifndef PROT_WRITE
177	# define PROT_READ 0
178	#endif
179	#ifndef PROT_EXEC
180	# define PROT_EXEC 0
181	#endif
182
183	#ifndef ST_NODEV
184	# define ST_NODEV 0
185	#endif
186	#ifndef ST_NOEXEC
187	# define ST_NOEXEC 0
188	#endif
189	#ifndef ST_SYNCHRONOUS
190	# define ST_SYNCHRONOUS 0
191	#endif
192	#ifndef ST_MANDLOCK
193	# define ST_MANDLOCK 0
194	#endif
195	#ifndef ST_WRITE
196	# define ST_WRITE 0
197	#endif
198	#ifndef ST_APPEND
199	# define ST_APPEND 0
200	#endif
201	#ifndef ST_IMMUTABLE
202	# define ST_IMMUTABLE 0
203	#endif
204	#ifndef ST_NOATIME
205	# define ST_NOATIME 0
206	#endif
207	#ifndef ST_NODIRATIME
208	# define ST_NODIRATIME 0
209	#endif
210	#ifndef ST_RELATIME
211	# define ST_RELATIME 0
212	#endif	140	#endif
213		141
214	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
215	# ifdef MAP_ANON	143	# ifdef MAP_ANON
216	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
217	# else	145	# else
218	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219	# endif	147	# endif
220	#endif	148	#endif
221	#ifndef MAP_HUGETLB
222	# define MAP_HUGETLB 0
223	#endif
224	#ifndef MAP_LOCKED
225	# define MAP_LOCKED 0
226	#endif
227	#ifndef MAP_NORESERVE
228	# define MAP_NORESERVE 0
229	#endif
230	#ifndef MAP_POPULATE
231	# define MAP_POPULATE 0
232	#endif
233	#ifndef MAP_NONBLOCK
234	# define MAP_NONBLOCK 0
235	#endif
236		149
237	#ifndef PAGESIZE	150	/* defines all sorts of constants to 0 unless they are already defined */
		151	/* also provides const_iv_ and const_niv_ macros for them */
		152	#include "def0.h"
		153
		154	#ifndef makedev
		155	# define makedev(maj,min) (((maj) << 8) | (min))
		156	#endif
		157	#ifndef major
		158	# define major(dev) ((dev) >> 8)
		159	#endif
		160	#ifndef minor
		161	# define minor(dev) ((dev) & 0xff)
		162	#endif
		163
		164	#if PAGESIZE <= 0
238	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
239	#endif	166	#endif
240		167
241	static int req_invoke (eio_req *req);	168	/*****************************************************************************/
242	#define EIO_FINISH(req) req_invoke (req)	169
243	static void req_destroy (eio_req *grp);	170	static void
244	#define EIO_DESTROY(req) req_destroy (req)	171	fiemap (eio_req *req)
		172	{
		173	req->result = -1;
		174
		175	#if HAVE_FIEMAP
		176	/* assume some c99 */
		177	struct fiemap *fiemap = 0;
		178	size_t end_offset;
		179	int count = req->int3;
		180
		181	req->flags |= EIO_FLAG_PTR1_FREE;
		182
		183	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		184	/* increase in 3.5kb steps */
		185	if (count < 0)
		186	count = 8;
		187
		188	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194
		195	fiemap->fm_start = req->offs;
		196	fiemap->fm_length = req->size;
		197	fiemap->fm_flags = req->int2;
		198	fiemap->fm_extent_count = count;
		199
		200	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		201	return;
		202
		203	if (req->int3 >= 0 /* not autosizing */
		204	|| !fiemap->fm_mapped_extents /* no more extents */
		205	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		206	goto done;
		207
		208	/* else we have to loop -
		209	* it would be tempting (actually I tried that first) to just query the
		210	* number of extents needed, but linux often feels like not returning all
		211	* extents, without telling us it left any out. this complicates
		212	* this quite a bit.
		213	*/
		214
		215	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		216
		217	for (;;)
		218	{
		219	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		220	char scratch[3072];
		221	struct fiemap *incmap = (struct fiemap *)scratch;
		222
		223	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		224	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		225	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		226	incmap->fm_flags = fiemap->fm_flags;
		227	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		228
		229	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		230	return;
		231
		232	if (!incmap->fm_mapped_extents)
		233	goto done;
		234
		235	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		236	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		237	errno = ENOMEM;
		238	if (!fiemap)
		239	return;
		240
		241	req->ptr1 = fiemap;
		242
		243	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		244	{
		245	struct fiemap_extent *e = incmap->fm_extents + count;
		246
		247	if (e->fe_logical + e->fe_length >= end_offset)
		248	goto done;
		249
		250	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		251
		252	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		253	goto done;
		254
		255	}
		256	}
		257
		258	done:
		259	req->result = 0;
		260
		261	#else
		262	errno = ENOSYS;
		263	#endif
		264	}
		265
		266	/*****************************************************************************/
245		267
246	enum {	268	enum {
247	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
248	};	270	};
249		271
250	#include "libeio/eio.c"
251
252	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
253	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
254		275
255	static SV *on_next_submit;	276	static SV *on_next_submit;
256	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
257	static int max_outstanding;	278	static int max_outstanding;
258		279
259	static s_epipe respipe;	280	static s_epipe respipe;
260		281
261	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
262	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
263		284
264	static void want_poll (void)	285	static void
		286	want_poll (void)
265	{	287	{
266	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
267	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
268	}	290	}
269		291
270	static void done_poll (void)	292	static void
		293	done_poll (void)
271	{	294	{
272	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
273	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
274	}	297	}
275		298
276	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
277	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
278	{	302	{
279	if (!req->self)	303	if (!req->self)
280	{	304	{
281	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
282	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
283	}	307	}
284		308
285	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
286	}	310	}
287		311
288	static aio_req SvAIO_REQ (SV *sv)	312	static SV *
		313	newSVaio_wd (aio_wd wd)
		314	{
		315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		316	}
		317
		318	static aio_req
		319	SvAIO_REQ (SV *sv)
289	{	320	{
290	MAGIC *mg;	321	MAGIC *mg;
291		322
292	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
293	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
294	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
295	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
296	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
297		329
298	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
299		331
300	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
301	}	333	}
302		334
		335	static aio_wd
		336	SvAIO_WD (SV *sv)
		337	{
		338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		342
		343	return (aio_wd)(long)SvIVX (SvRV (sv));
		344	}
		345
		346	static SV *
		347	newmortalFH (int fd, int flags)
		348	{
		349	if (fd < 0)
		350	return &PL_sv_undef;
		351
		352	GV *gv = (GV *)sv_newmortal ();
		353	char sym[64];
		354	int symlen;
		355
		356	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		357	gv_init (gv, aio_stash, sym, symlen, 0);
		358
		359	symlen = snprintf (
		360	sym,
		361	sizeof (sym),
		362	"%s&=%d",
		363	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		364	fd
		365	);
		366
		367	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		368	? (SV *)gv : &PL_sv_undef;
		369	}
		370
		371	static void
303	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
304	{	373	{
305	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
306	{	375	{
307	dSP;	376	dSP;
308		377
…		…
316	FREETMPS;	385	FREETMPS;
317	LEAVE;	386	LEAVE;
318	}	387	}
319	}	388	}
320		389
		390	static void
321	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
322	{	392	{
323	eio_submit (req);	393	eio_submit (req);
324		394
325	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
326	{	396	{
…		…
333	PUTBACK;	403	PUTBACK;
334	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
335	}	405	}
336	}	406	}
337		407
		408	static int
338	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
339	{	410	{
340	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
341	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
342		413
343	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
354	/* do not recreate the result IV from scratch each time */	425	/* do not recreate the result IV from scratch each time */
355	if (expect_true (sv_result_cache))	426	if (expect_true (sv_result_cache))
356	{	427	{
357	sv_result = sv_result_cache; sv_result_cache = 0;	428	sv_result = sv_result_cache; sv_result_cache = 0;
358	SvIV_set (sv_result, req->result);	429	SvIV_set (sv_result, req->result);
		430	SvIOK_only (sv_result);
359	}	431	}
360	else	432	else
361	{	433	{
362	sv_result = newSViv (req->result);	434	sv_result = newSViv (req->result);
363	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
364	}	436	}
365		437
366	switch (req->type)	438	switch (req->type)
367	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
368	case EIO_READDIR:	444	case EIO_READDIR:
369	{	445	{
370	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
371		447
372	if (req->result >= 0)	448	if (req->result >= 0)
…		…
425	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
426	}	502	}
427	break;	503	break;
428		504
429	case EIO_OPEN:	505	case EIO_OPEN:
430	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
431	/* convert fd to fh */
432	SV *fh = &PL_sv_undef;
433
434	if (req->result >= 0)
435	{
436	GV *gv = (GV *)sv_newmortal ();
437	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
438	char sym [64];
439	int symlen;
440
441	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
442	gv_init (gv, aio_stash, sym, symlen, 0);
443
444	symlen = snprintf (
445	sym,
446	sizeof (sym),
447	"%s&=%d",
448	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
449	(int)req->result
450	);
451
452	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
453	fh = (SV *)gv;
454	}
455
456	PUSHs (fh);
457	}
458	break;	507	break;
459		508
460	case EIO_STATVFS:	509	case EIO_STATVFS:
461	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
462	{	511	{
463	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
464		513
		514	#ifndef _WIN32
465	if (req->result >= 0)	515	if (req->result >= 0)
466	{	516	{
467	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
469		524
470	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
471		526
472	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
475	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
481	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483	}	538	}
		539	#endif
484		540
485	PUSHs (rv);	541	PUSHs (rv);
486	}	542	}
487		543
488	break;	544	break;
…		…
504	case EIO_NOP:	560	case EIO_NOP:
505	case EIO_BUSY:	561	case EIO_BUSY:
506	break;	562	break;
507		563
508	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
509	if (req->result > 0)	566	if (req->result > 0)
510	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511	break;	568	break;
512		569
513	case EIO_STAT:	570	case EIO_STAT:
514	case EIO_LSTAT:	571	case EIO_LSTAT:
515	case EIO_FSTAT:	572	case EIO_FSTAT:
516	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
517	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
518	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
519	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520	break;	584	break;
521		585
522	case EIO_READ:	586	case EIO_READ:
523	{	587	{
524	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
527	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
528	PUSHs (sv_result);	592	PUSHs (sv_result);
529	}	593	}
530	break;	594	break;
531		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
532	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533	if (req->result > 0)	637	if (req->result > 0)
534	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
535	/* FALLTHROUGH */	639	/* FALLTHROUGH */
536		640
537	default:	641	default:
…		…
557	}	661	}
558		662
559	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
560	}	664	}
561		665
		666	static void
562	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
563	{	668	{
564	if (req->self)	669	if (req->self)
565	{	670	{
566	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
567	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
568	}	673	}
569		674
570	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
571	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
572	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
573		680
574	Safefree (req);	681	free (req);
575	}	682	}
576		683
		684	static void
577	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
578	{	686	{
579	aio_req sub;
580
581	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
582	return;	688	return;
583		689
584	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
585	grp->sv2 = 0;	691	grp->sv2 = 0;
586		692
587	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
588	}	694	}
589		695
590	static void	696	static void ecb_cold
591	create_respipe (void)	697	create_respipe (void)
592	{	698	{
593	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
594	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
595	}	701	}
596		702
597	static void poll_wait (void)	703	static void
		704	poll_wait (void)
598	{	705	{
599	while (eio_nreqs ())	706	while (eio_nreqs ())
600	{	707	{
601	int size;	708	int size;
602		709
603	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
604	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
605	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
606		713
607	if (size)	714	if (size)
608	return;	715	return;
609		716
610	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
611		718
612	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
613	}	720	}
614	}	721	}
615		722
616	static int poll_cb (void)	723	static int
		724	poll_cb (void)
617	{	725	{
618	for (;;)	726	for (;;)
619	{	727	{
620	int res = eio_poll ();	728	int res = eio_poll ();
621		729
…		…
627		735
628	poll_wait ();	736	poll_wait ();
629	}	737	}
630	}	738	}
631		739
632	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
633	{	742	{
634	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
635	}	747	}
636		748
637	/*****************************************************************************/	749	/*****************************************************************************/
638		750
639	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
640	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
641	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
642	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
643	# define PROT_NONE 0
644	# define PROT_WRITE 0
645	# define MAP_PRIVATE 0
646	# define MAP_SHARED 0
647	# define MAP_FIXED 0
648	#endif	758	#endif
649		759
650	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
651		761
652	static int	762	static int ecb_cold
653	mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
654	{	764	{
655	int old_errno = errno;	765	int old_errno = errno;
656	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
657	errno = old_errno;	767	errno = old_errno;
…		…
681	{	791	{
682	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
683	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
684	}	794	}
685		795
		796	static aio_req ecb_noinline
		797	dreq (SV *callback)
		798	{
		799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
		803
		804	cb_cv = get_cb (callback);
		805
		806	req = calloc (sizeof (*req), 1);
		807	if (!req)
		808	croak ("out of memory during eio_req allocation");
		809
		810	req->callback = SvREFCNT_inc (cb_cv);
		811	req->pri = req_pri;
		812
		813	return req;
		814	}
		815
686	#define dREQ \	816	#define dREQ \
687	SV *cb_cv; \	817	aio_req req = dreq (callback); \
688	aio_req req; \
689	int req_pri = next_pri; \
690	next_pri = EIO_PRI_DEFAULT; \
691	\
692	cb_cv = get_cb (callback); \
693	\
694	Newz (0, req, 1, eio_req); \
695	if (!req) \
696	croak ("out of memory during eio_req allocation"); \
697	\
698	req->callback = SvREFCNT_inc (cb_cv); \
699	req->pri = req_pri
700		818
701	#define REQ_SEND \	819	#define REQ_SEND \
702	PUTBACK; \	820	PUTBACK; \
703	req_submit (req); \	821	req_submit (req); \
704	SPAGAIN; \	822	SPAGAIN; \
705	\	823	\
706	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
707	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
708		826
		827	ecb_inline void
		828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		829	{
		830	if (expect_false (SvROK (path)))
		831	{
		832	SV *rv = SvRV (path);
		833	SV *wdob;
		834
		835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
		839
		840	if (SvOK (wdob))
		841	{
		842	*wd = SvAIO_WD (wdob);
		843	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		844	}
		845	else
		846	*wd = EIO_INVALID_WD;
		847	}
		848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		849	{
		850	*wd = (aio_wd)(long)SvIVX (rv);
		851	*wdsv = SvREFCNT_inc_NN (rv);
		852	*ptr = ".";
		853	return; /* path set to "." */
		854	}
		855	else
		856	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		857	}
		858
		859	*pathsv = newSVsv (path);
		860	*ptr = SvPVbyte_nolen (*pathsv);
		861	}
		862
		863	static void ecb_noinline
		864	req_set_path1 (aio_req req, SV *path)
		865	{
		866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		867	}
		868
		869	static void ecb_noinline
		870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		871	{
		872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		873
		874	switch (SvTYPE (rv))
		875	{
		876	case SVt_PVIO:
		877	case SVt_PVLV:
		878	case SVt_PVGV:
		879	req->type = type_fh;
		880	req->sv1 = newSVsv (fh_or_path);
		881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		882	break;
		883
		884	default:
		885	req->type = type_path;
		886	req_set_path1 (req, fh_or_path);
		887	break;
		888	}
		889	}
		890
		891	XS(boot_IO__AIO) ecb_cold;
		892
709	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
710		894
711	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
712		896
713	BOOT:	897	BOOT:
…		…
717	IV iv;	901	IV iv;
718	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
719	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
720	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
721	# define const_eio(name) { # name, (IV) EIO_ ## name },	905	# define const_eio(name) { # name, (IV) EIO_ ## name },
		906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
		909	const_iv (ENOSYS)
722	const_iv (EXDEV)	910	const_iv (EXDEV)
723	const_iv (ENOSYS)	911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929
		930	/* the second block will be 0 when missing */
724	const_iv (O_RDONLY)	931	const_iv (O_RDONLY)
725	const_iv (O_WRONLY)	932	const_iv (O_WRONLY)
726	const_iv (O_RDWR)	933	const_iv (O_RDWR)
727	const_iv (O_CREAT)	934	const_iv (O_CREAT)
728	const_iv (O_TRUNC)	935	const_iv (O_TRUNC)
729	const_iv (O_EXCL)	936	const_iv (O_EXCL)
730	const_iv (O_APPEND)	937	const_iv (O_APPEND)
731	#ifndef _WIN32	938
		939	const_iv (O_ASYNC)
		940	const_iv (O_DIRECT)
		941	const_iv (O_NOATIME)
		942
		943	const_iv (O_CLOEXEC)
		944	const_iv (O_NOCTTY)
		945	const_iv (O_NOFOLLOW)
		946	const_iv (O_NONBLOCK)
		947	const_iv (O_EXEC)
		948	const_iv (O_SEARCH)
		949	const_iv (O_DIRECTORY)
		950	const_iv (O_DSYNC)
		951	const_iv (O_RSYNC)
		952	const_iv (O_SYNC)
		953	const_iv (O_PATH)
		954	const_iv (O_TMPFILE)
		955	const_iv (O_TTY_INIT)
		956
732	const_iv (S_IFIFO)	957	const_iv (S_IFIFO)
733	#endif	958	const_iv (S_IFCHR)
734	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	959	const_iv (S_IFBLK)
735	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	960	const_iv (S_IFLNK)
736	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	961	const_iv (S_IFREG)
737	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	962	const_iv (S_IFDIR)
738	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	963	const_iv (S_IFWHT)
739	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	964	const_iv (S_IFSOCK)
740		965	const_iv (S_IFMT)
741	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
742	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
743	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
744	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
745	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
746		966
747	const_iv (ST_RDONLY)	967	const_iv (ST_RDONLY)
748	const_iv (ST_NOSUID)	968	const_iv (ST_NOSUID)
749	const_iv (ST_NODEV)	969	const_iv (ST_NODEV)
750	const_iv (ST_NOEXEC)	970	const_iv (ST_NOEXEC)
…		…
760	const_iv (PROT_NONE)	980	const_iv (PROT_NONE)
761	const_iv (PROT_EXEC)	981	const_iv (PROT_EXEC)
762	const_iv (PROT_READ)	982	const_iv (PROT_READ)
763	const_iv (PROT_WRITE)	983	const_iv (PROT_WRITE)
764		984
765	/*const_iv (MAP_FIXED)*/
766	const_iv (MAP_PRIVATE)	985	const_iv (MAP_PRIVATE)
767	const_iv (MAP_SHARED)	986	const_iv (MAP_SHARED)
		987	const_iv (MAP_FIXED)
768	const_iv (MAP_ANONYMOUS)	988	const_iv (MAP_ANONYMOUS)
769		989
770	/* linuxish */	990	/* linuxish */
771	const_iv (MAP_HUGETLB)
772	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
773	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
774	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
775	const_iv (MAP_NONBLOCK)	994	const_iv (MAP_NONBLOCK)
		995	const_iv (MAP_GROWSDOWN)
		996	const_iv (MAP_32BIT)
		997	const_iv (MAP_HUGETLB)
		998	const_iv (MAP_STACK)
		999
		1000	const_iv (F_DUPFD_CLOEXEC)
		1001
		1002	const_iv (F_OFD_GETLK)
		1003	const_iv (F_OFD_SETLK)
		1004	const_iv (F_OFD_GETLKW)
		1005
		1006	const_iv (FIFREEZE)
		1007	const_iv (FITHAW)
		1008	const_iv (FITRIM)
		1009	const_iv (FICLONE)
		1010	const_iv (FICLONERANGE)
		1011	const_iv (FIDEDUPERANGE)
		1012
		1013	const_iv (FS_IOC_GETFLAGS)
		1014	const_iv (FS_IOC_SETFLAGS)
		1015	const_iv (FS_IOC_GETVERSION)
		1016	const_iv (FS_IOC_SETVERSION)
		1017	const_iv (FS_IOC_FIEMAP)
		1018	const_iv (FS_IOC_FSGETXATTR)
		1019	const_iv (FS_IOC_FSSETXATTR)
		1020	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1021	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1022	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1023
		1024	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1025
		1026	const_iv (FS_SECRM_FL)
		1027	const_iv (FS_UNRM_FL)
		1028	const_iv (FS_COMPR_FL)
		1029	const_iv (FS_SYNC_FL)
		1030	const_iv (FS_IMMUTABLE_FL)
		1031	const_iv (FS_APPEND_FL)
		1032	const_iv (FS_NODUMP_FL)
		1033	const_iv (FS_NOATIME_FL)
		1034	const_iv (FS_DIRTY_FL)
		1035	const_iv (FS_COMPRBLK_FL)
		1036	const_iv (FS_NOCOMP_FL)
		1037	const_iv (FS_ENCRYPT_FL)
		1038	const_iv (FS_BTREE_FL)
		1039	const_iv (FS_INDEX_FL)
		1040	const_iv (FS_JOURNAL_DATA_FL)
		1041	const_iv (FS_NOTAIL_FL)
		1042	const_iv (FS_DIRSYNC_FL)
		1043	const_iv (FS_TOPDIR_FL)
		1044	const_iv (FS_FL_USER_MODIFIABLE)
		1045
		1046	const_iv (FS_XFLAG_REALTIME)
		1047	const_iv (FS_XFLAG_PREALLOC)
		1048	const_iv (FS_XFLAG_IMMUTABLE)
		1049	const_iv (FS_XFLAG_APPEND)
		1050	const_iv (FS_XFLAG_SYNC)
		1051	const_iv (FS_XFLAG_NOATIME)
		1052	const_iv (FS_XFLAG_NODUMP)
		1053	const_iv (FS_XFLAG_RTINHERIT)
		1054	const_iv (FS_XFLAG_PROJINHERIT)
		1055	const_iv (FS_XFLAG_NOSYMLINKS)
		1056	const_iv (FS_XFLAG_EXTSIZE)
		1057	const_iv (FS_XFLAG_EXTSZINHERIT)
		1058	const_iv (FS_XFLAG_NODEFRAG)
		1059	const_iv (FS_XFLAG_FILESTREAM)
		1060	const_iv (FS_XFLAG_DAX)
		1061	const_iv (FS_XFLAG_HASATTR)
		1062
		1063	const_iv (FIEMAP_FLAG_SYNC)
		1064	const_iv (FIEMAP_FLAG_XATTR)
		1065	const_iv (FIEMAP_FLAGS_COMPAT)
		1066	const_iv (FIEMAP_EXTENT_LAST)
		1067	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1068	const_iv (FIEMAP_EXTENT_DELALLOC)
		1069	const_iv (FIEMAP_EXTENT_ENCODED)
		1070	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1071	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1072	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1073	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1074	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1075	const_iv (FIEMAP_EXTENT_MERGED)
		1076	const_iv (FIEMAP_EXTENT_SHARED)
		1077
		1078	const_iv (SPLICE_F_MOVE)
		1079	const_iv (SPLICE_F_NONBLOCK)
		1080	const_iv (SPLICE_F_MORE)
		1081	const_iv (SPLICE_F_GIFT)
		1082
		1083	/* these are libeio constants, and are independent of gendef0 */
		1084	const_eio (SEEK_SET)
		1085	const_eio (SEEK_CUR)
		1086	const_eio (SEEK_END)
776		1087
777	const_eio (MCL_FUTURE)	1088	const_eio (MCL_FUTURE)
778	const_eio (MCL_CURRENT)	1089	const_eio (MCL_CURRENT)
779		1090
780	const_eio (MS_ASYNC)	1091	const_eio (MS_ASYNC)
…		…
784	const_eio (MT_MODIFY)	1095	const_eio (MT_MODIFY)
785		1096
786	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1097	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
787	const_eio (SYNC_FILE_RANGE_WRITE)	1098	const_eio (SYNC_FILE_RANGE_WRITE)
788	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1099	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1100
		1101	const_eio (FALLOC_FL_KEEP_SIZE)
		1102	const_eio (FALLOC_FL_PUNCH_HOLE)
		1103	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1104	const_eio (FALLOC_FL_ZERO_RANGE)
		1105
		1106	const_eio (RENAME_NOREPLACE)
		1107	const_eio (RENAME_EXCHANGE)
		1108	const_eio (RENAME_WHITEOUT)
789		1109
790	const_eio (READDIR_DENTS)	1110	const_eio (READDIR_DENTS)
791	const_eio (READDIR_DIRS_FIRST)	1111	const_eio (READDIR_DIRS_FIRST)
792	const_eio (READDIR_STAT_ORDER)	1112	const_eio (READDIR_STAT_ORDER)
793	const_eio (READDIR_FOUND_UNKNOWN)	1113	const_eio (READDIR_FOUND_UNKNOWN)
…		…
804	};	1124	};
805		1125
806	aio_stash = gv_stashpv ("IO::AIO" , 1);	1126	aio_stash = gv_stashpv ("IO::AIO" , 1);
807	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1127	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
808	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1128	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1129	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
809		1130
810	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1131	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
811	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1132	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
812		1133
813	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1134	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
814		1135
815	create_respipe ();	1136	reinit ();
816
817	if (eio_init (want_poll, done_poll) < 0)
818	croak ("IO::AIO: unable to initialise eio library");
819
820	/* atfork child called in fifo order, so before eio's handler */
821	X_THREAD_ATFORK (0, 0, atfork_child);
822	}	1137	}
823		1138
824	void	1139	void
		1140	reinit ()
		1141	PROTOTYPE:
		1142
		1143	void
825	max_poll_reqs (int nreqs)	1144	max_poll_reqs (unsigned int nreqs)
826	PROTOTYPE: $	1145	PROTOTYPE: $
827	CODE:	1146	CODE:
828	eio_set_max_poll_reqs (nreqs);	1147	eio_set_max_poll_reqs (nreqs);
829		1148
830	void	1149	void
…		…
832	PROTOTYPE: $	1151	PROTOTYPE: $
833	CODE:	1152	CODE:
834	eio_set_max_poll_time (nseconds);	1153	eio_set_max_poll_time (nseconds);
835		1154
836	void	1155	void
837	min_parallel (int nthreads)	1156	min_parallel (unsigned int nthreads)
838	PROTOTYPE: $	1157	PROTOTYPE: $
839	CODE:	1158	CODE:
840	eio_set_min_parallel (nthreads);	1159	eio_set_min_parallel (nthreads);
841		1160
842	void	1161	void
843	max_parallel (int nthreads)	1162	max_parallel (unsigned int nthreads)
844	PROTOTYPE: $	1163	PROTOTYPE: $
845	CODE:	1164	CODE:
846	eio_set_max_parallel (nthreads);	1165	eio_set_max_parallel (nthreads);
847		1166
848	void	1167	void
849	max_idle (int nthreads)	1168	max_idle (unsigned int nthreads)
850	PROTOTYPE: $	1169	PROTOTYPE: $
851	CODE:	1170	CODE:
852	eio_set_max_idle (nthreads);	1171	eio_set_max_idle (nthreads);
853		1172
854	void	1173	void
		1174	idle_timeout (unsigned int seconds)
		1175	PROTOTYPE: $
		1176	CODE:
		1177	eio_set_idle_timeout (seconds);
		1178
		1179	void
855	max_outstanding (int maxreqs)	1180	max_outstanding (unsigned int maxreqs)
856	PROTOTYPE: $	1181	PROTOTYPE: $
857	CODE:	1182	CODE:
858	max_outstanding = maxreqs;	1183	max_outstanding = maxreqs;
859		1184
860	void	1185	void
861	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1186	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
862	PPCODE:	1187	PPCODE:
863	{	1188	{
864	dREQ;	1189	dREQ;
865		1190
		1191	req->type = EIO_WD_OPEN;
		1192	req_set_path1 (req, pathname);
		1193
		1194	REQ_SEND;
		1195	}
		1196
		1197	void
		1198	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1199	PPCODE:
		1200	{
		1201	dREQ;
		1202
866	req->type = EIO_OPEN;	1203	req->type = EIO_OPEN;
867	req->sv1 = newSVsv (pathname);	1204	req_set_path1 (req, pathname);
868	req->ptr1 = SvPVbyte_nolen (req->sv1);
869	req->int1 = flags;	1205	req->int1 = flags;
870	req->int2 = mode;	1206	req->int2 = mode;
871		1207
872	REQ_SEND;	1208	REQ_SEND;
873	}	1209	}
874		1210
875	void	1211	void
876	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1212	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
877	ALIAS:	1213	ALIAS:
878	aio_fsync = EIO_FSYNC	1214	aio_fsync = EIO_FSYNC
879	aio_fdatasync = EIO_FDATASYNC	1215	aio_fdatasync = EIO_FDATASYNC
		1216	aio_syncfs = EIO_SYNCFS
880	PPCODE:	1217	PPCODE:
881	{	1218	{
882	int fd = s_fileno_croak (fh, 0);	1219	int fd = s_fileno_croak (fh, 0);
883	dREQ;	1220	dREQ;
884		1221
885	req->type = ix;	1222	req->type = ix;
886	req->sv1 = newSVsv (fh);	1223	req->sv1 = newSVsv (fh);
887	req->int1 = fd;	1224	req->int1 = fd;
888		1225
889	REQ_SEND (req);	1226	REQ_SEND;
890	}	1227	}
891		1228
892	void	1229	void
893	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1230	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
894	PPCODE:	1231	PPCODE:
895	{	1232	{
896	int fd = s_fileno_croak (fh, 0);	1233	int fd = s_fileno_croak (fh, 0);
897	dREQ;	1234	dREQ;
898		1235
899	req->type = EIO_SYNC_FILE_RANGE;	1236	req->type = EIO_SYNC_FILE_RANGE;
900	req->sv1 = newSVsv (fh);	1237	req->sv1 = newSVsv (fh);
901	req->int1 = fd;	1238	req->int1 = fd;
902	req->offs = offset;	1239	req->offs = offset;
903	req->size = nbytes;	1240	req->size = nbytes;
904	req->int2 = flags;	1241	req->int2 = flags;
905		1242
906	REQ_SEND (req);	1243	REQ_SEND;
907	}	1244	}
908		1245
909	void	1246	void
910	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1247	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
911	PPCODE:	1248	PPCODE:
912	{	1249	{
913	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
914	int fd = s_fileno_croak (fh, 0);	1250	int fd = s_fileno_croak (fh, 0);
915	dREQ;	1251	dREQ;
916		1252
917	if (close_pipe < 0)	1253	req->type = EIO_FALLOCATE;
		1254	req->sv1 = newSVsv (fh);
		1255	req->int1 = fd;
		1256	req->int2 = mode;
		1257	req->offs = offset;
		1258	req->size = len;
		1259
		1260	REQ_SEND;
		1261	}
		1262
		1263	void
		1264	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1265	PPCODE:
		1266	{
		1267	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1268	int fd = s_fileno_croak (fh, 0);
		1269	dREQ;
		1270
		1271	if (expect_false (close_fd < 0))
918	{	1272	{
919	int pipefd [2];	1273	int pipefd [2];
920		1274
		1275	if (
		1276	#ifdef _WIN32
		1277	_pipe (pipefd, 1, _O_BINARY) < 0
		1278	#else
921	if (pipe (pipefd) < 0	1279	pipe (pipefd) < 0
922	|| close (pipefd [1]) < 0
923	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1280	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1281	#endif
		1282	|| close (pipefd [1]) < 0
		1283	)
924	abort (); /*D*/	1284	abort (); /*D*/
925		1285
926	close_pipe = pipefd [0];	1286	close_fd = pipefd [0];
927	}	1287	}
928		1288
929	req->type = EIO_DUP2;	1289	req->type = EIO_DUP2;
930	req->int1 = close_pipe;	1290	req->int1 = close_fd;
931	req->sv2 = newSVsv (fh);	1291	req->sv2 = newSVsv (fh);
932	req->int2 = fd;	1292	req->int2 = fd;
933		1293
934	REQ_SEND (req);	1294	REQ_SEND;
935	}	1295	}
936		1296
937	void	1297	void
		1298	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1299	PPCODE:
		1300	{
		1301	int fd = s_fileno_croak (fh, 0);
		1302	dREQ;
		1303
		1304	req->type = EIO_SEEK;
		1305	req->sv1 = newSVsv (fh);
		1306	req->int1 = fd;
		1307	req->offs = SvVAL64 (offset);
		1308	req->int2 = whence;
		1309
		1310	REQ_SEND;
		1311	}
		1312
		1313	void
938	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1314	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
939	ALIAS:	1315	ALIAS:
940	aio_read = EIO_READ	1316	aio_read = EIO_READ
941	aio_write = EIO_WRITE	1317	aio_write = EIO_WRITE
942	PPCODE:	1318	PPCODE:
943	{	1319	{
…		…
959	len = svlen - dataoffset;	1335	len = svlen - dataoffset;
960	}	1336	}
961	else	1337	else
962	{	1338	{
963	/* read: check type and grow scalar as necessary */	1339	/* read: check type and grow scalar as necessary */
964	SvUPGRADE (data, SVt_PV);	1340	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
965	svptr = SvGROW (data, len + dataoffset + 1);	1341	svptr = sv_grow (data, len + dataoffset + 1);
		1342	else if (SvCUR (data) < len + dataoffset)
		1343	croak ("length + dataoffset outside of scalar, and cannot grow");
966	}	1344	}
967		1345
968	{	1346	{
969	dREQ;	1347	dREQ;
970		1348
…		…
986	REQ_SEND;	1364	REQ_SEND;
987	}	1365	}
988	}	1366	}
989		1367
990	void	1368	void
991	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1369	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1370	ALIAS:
		1371	aio_ioctl = EIO_IOCTL
		1372	aio_fcntl = EIO_FCNTL
992	PPCODE:	1373	PPCODE:
993	{	1374	{
994	SV *data;	1375	int fd = s_fileno_croak (fh, 0);
		1376	char *svptr;
		1377
		1378	if (SvPOK (arg) || !SvNIOK (arg))
		1379	{
		1380	STRLEN svlen;
		1381	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1382	#ifdef IOCPARM_LEN
		1383	STRLEN need = IOCPARM_LEN (request);
		1384	#else
		1385	STRLEN need = 256;
		1386	#endif
		1387
		1388	if (svlen < need)
		1389	svptr = SvGROW (arg, need);
		1390	}
		1391	else
		1392	svptr = (char *)SvIV (arg);
		1393
		1394	{
		1395	dREQ;
		1396
		1397	req->type = ix;
		1398	req->sv1 = newSVsv (fh);
		1399	req->int1 = fd;
		1400	req->int2 = (long)request;
		1401	req->sv2 = SvREFCNT_inc (arg);
		1402	req->ptr2 = svptr;
		1403
		1404	REQ_SEND;
		1405	}
		1406	}
		1407
		1408	void
		1409	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1410	ALIAS:
		1411	aio_readlink = EIO_READLINK
		1412	aio_realpath = EIO_REALPATH
		1413	PPCODE:
		1414	{
995	dREQ;	1415	dREQ;
996		1416
997	req->type = EIO_READLINK;	1417	req->type = ix;
998	req->sv1 = newSVsv (path);	1418	req_set_path1 (req, pathname);
999	req->ptr1 = SvPVbyte_nolen (req->sv1);
1000		1419
1001	REQ_SEND;	1420	REQ_SEND;
1002	}	1421	}
1003		1422
1004	void	1423	void
1005	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1424	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1006	PPCODE:	1425	PPCODE:
1007	{	1426	{
1008	int ifd = s_fileno_croak (in_fh , 0);	1427	int ifd = s_fileno_croak (in_fh , 0);
1009	int ofd = s_fileno_croak (out_fh, 1);	1428	int ofd = s_fileno_croak (out_fh, 1);
1010	dREQ;	1429	dREQ;
1011		1430
1012	req->type = EIO_SENDFILE;	1431	req->type = EIO_SENDFILE;
1013	req->sv1 = newSVsv (out_fh);	1432	req->sv1 = newSVsv (out_fh);
1014	req->int1 = ofd;	1433	req->int1 = ofd;
…		…
1019		1438
1020	REQ_SEND;	1439	REQ_SEND;
1021	}	1440	}
1022		1441
1023	void	1442	void
1024	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1443	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1025	PPCODE:	1444	PPCODE:
1026	{	1445	{
1027	int fd = s_fileno_croak (fh, 0);	1446	int fd = s_fileno_croak (fh, 0);
1028	dREQ;	1447	dREQ;
1029		1448
1030	req->type = EIO_READAHEAD;	1449	req->type = EIO_READAHEAD;
1031	req->sv1 = newSVsv (fh);	1450	req->sv1 = newSVsv (fh);
1032	req->int1 = fd;	1451	req->int1 = fd;
…		…
1035		1454
1036	REQ_SEND;	1455	REQ_SEND;
1037	}	1456	}
1038		1457
1039	void	1458	void
1040	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1459	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1041	ALIAS:	1460	ALIAS:
1042	aio_stat = EIO_STAT	1461	aio_stat = EIO_STAT
1043	aio_lstat = EIO_LSTAT	1462	aio_lstat = EIO_LSTAT
1044	aio_statvfs = EIO_STATVFS	1463	aio_statvfs = EIO_STATVFS
1045	PPCODE:	1464	PPCODE:
1046	{	1465	{
1047	dREQ;	1466	dREQ;
1048		1467
1049	req->sv1 = newSVsv (fh_or_path);	1468	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1050
1051	if (SvPOK (req->sv1))
1052	{
1053	req->type = ix;
1054	req->ptr1 = SvPVbyte_nolen (req->sv1);
1055	}
1056	else
1057	{
1058	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1059	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1060	}
1061		1469
1062	REQ_SEND;	1470	REQ_SEND;
1063	}	1471	}
1064		1472
		1473	UV
		1474	major (UV dev)
		1475	ALIAS:
		1476	minor = 1
		1477	CODE:
		1478	RETVAL = ix ? minor (dev) : major (dev);
		1479	OUTPUT:
		1480	RETVAL
		1481
		1482	UV
		1483	makedev (UV maj, UV min)
		1484	CODE:
		1485	RETVAL = makedev (maj, min);
		1486	OUTPUT:
		1487	RETVAL
		1488
1065	void	1489	void
1066	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1490	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1067	PPCODE:	1491	PPCODE:
1068	{	1492	{
1069	dREQ;	1493	dREQ;
1070		1494
1071	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1495	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1072	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1496	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1073	req->sv1 = newSVsv (fh_or_path);	1497	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1074
1075	if (SvPOK (req->sv1))
1076	{
1077	req->type = EIO_UTIME;
1078	req->ptr1 = SvPVbyte_nolen (req->sv1);
1079	}
1080	else
1081	{
1082	req->type = EIO_FUTIME;
1083	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1084	}
1085		1498
1086	REQ_SEND;	1499	REQ_SEND;
1087	}	1500	}
1088		1501
1089	void	1502	void
1090	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1503	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1091	PPCODE:	1504	PPCODE:
1092	{	1505	{
1093	dREQ;	1506	dREQ;
1094		1507
1095	req->sv1 = newSVsv (fh_or_path);
1096	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1508	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1097		1509	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1098	if (SvPOK (req->sv1))
1099	{
1100	req->type = EIO_TRUNCATE;
1101	req->ptr1 = SvPVbyte_nolen (req->sv1);
1102	}
1103	else
1104	{
1105	req->type = EIO_FTRUNCATE;
1106	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1107	}
1108		1510
1109	REQ_SEND;	1511	REQ_SEND;
1110	}	1512	}
1111		1513
1112	void	1514	void
1113	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1515	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1114	ALIAS:
1115	aio_chmod = EIO_CHMOD
1116	aio_mkdir = EIO_MKDIR
1117	PPCODE:	1516	PPCODE:
1118	{	1517	{
1119	dREQ;	1518	dREQ;
1120		1519
1121	req->int2 = mode;	1520	req->int2 = mode;
1122	req->sv1 = newSVsv (fh_or_path);	1521	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1123
1124	if (SvPOK (req->sv1))
1125	{
1126	req->type = ix;
1127	req->ptr1 = SvPVbyte_nolen (req->sv1);
1128	}
1129	else
1130	{
1131	req->type = EIO_FCHMOD;
1132	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1133	}
1134		1522
1135	REQ_SEND;	1523	REQ_SEND;
1136	}	1524	}
1137		1525
1138	void	1526	void
1139	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1527	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1140	PPCODE:	1528	PPCODE:
1141	{	1529	{
1142	dREQ;	1530	dREQ;
1143		1531
1144	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1532	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1145	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1533	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1146	req->sv1 = newSVsv (fh_or_path);	1534	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1147
1148	if (SvPOK (req->sv1))
1149	{
1150	req->type = EIO_CHOWN;
1151	req->ptr1 = SvPVbyte_nolen (req->sv1);
1152	}
1153	else
1154	{
1155	req->type = EIO_FCHOWN;
1156	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1157	}
1158		1535
1159	REQ_SEND;	1536	REQ_SEND;
1160	}	1537	}
1161		1538
1162	void	1539	void
1163	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1540	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1164	PPCODE:	1541	PPCODE:
1165	{	1542	{
1166	dREQ;	1543	dREQ;
1167		1544
1168	req->type = EIO_READDIR;	1545	req->type = EIO_READDIR;
1169	req->sv1 = newSVsv (pathname);
1170	req->ptr1 = SvPVbyte_nolen (req->sv1);
1171	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1546	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1172		1547
1173	if (flags & EIO_READDIR_DENTS)	1548	if (flags & EIO_READDIR_DENTS)
1174	req->int1 |= EIO_READDIR_CUSTOM2;	1549	req->int1 |= EIO_READDIR_CUSTOM2;
1175		1550
		1551	req_set_path1 (req, pathname);
		1552
1176	REQ_SEND;	1553	REQ_SEND;
1177	}	1554	}
1178		1555
1179	void	1556	void
		1557	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1558	PPCODE:
		1559	{
		1560	dREQ;
		1561
		1562	req->type = EIO_MKDIR;
		1563	req->int2 = mode;
		1564	req_set_path1 (req, pathname);
		1565
		1566	REQ_SEND;
		1567	}
		1568
		1569	void
1180	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1570	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1181	ALIAS:	1571	ALIAS:
1182	aio_unlink = EIO_UNLINK	1572	aio_unlink = EIO_UNLINK
1183	aio_rmdir = EIO_RMDIR	1573	aio_rmdir = EIO_RMDIR
1184	aio_readdir = EIO_READDIR	1574	aio_readdir = EIO_READDIR
1185	PPCODE:	1575	PPCODE:
1186	{	1576	{
1187	dREQ;	1577	dREQ;
1188		1578
1189	req->type = ix;	1579	req->type = ix;
1190	req->sv1 = newSVsv (pathname);	1580	req_set_path1 (req, pathname);
1191	req->ptr1 = SvPVbyte_nolen (req->sv1);
1192		1581
1193	REQ_SEND;	1582	REQ_SEND;
1194	}	1583	}
1195		1584
1196	void	1585	void
1197	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1586	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1198	ALIAS:	1587	ALIAS:
1199	aio_link = EIO_LINK	1588	aio_link = EIO_LINK
1200	aio_symlink = EIO_SYMLINK	1589	aio_symlink = EIO_SYMLINK
1201	aio_rename = EIO_RENAME	1590	aio_rename = EIO_RENAME
1202	PPCODE:	1591	PPCODE:
1203	{	1592	{
		1593	eio_wd wd2 = 0;
1204	dREQ;	1594	dREQ;
1205		1595
1206	req->type = ix;	1596	req->type = ix;
1207	req->sv1 = newSVsv (oldpath);	1597	req_set_path1 (req, oldpath);
1208	req->ptr1 = SvPVbyte_nolen (req->sv1);	1598	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1209	req->sv2 = newSVsv (newpath);	1599	req->int3 = (long)wd2;
1210	req->ptr2 = SvPVbyte_nolen (req->sv2);
1211		1600
1212	REQ_SEND;	1601	REQ_SEND;
1213	}	1602	}
1214		1603
1215	void	1604	void
		1605	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1606	PPCODE:
		1607	{
		1608	eio_wd wd2 = 0;
		1609	dREQ;
		1610
		1611	req->type = EIO_RENAME;
		1612	req_set_path1 (req, oldpath);
		1613	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1614	req->int2 = flags;
		1615	req->int3 = (long)wd2;
		1616
		1617	REQ_SEND;
		1618	}
		1619
		1620	void
1216	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1621	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1217	PPCODE:	1622	PPCODE:
1218	{	1623	{
1219	dREQ;	1624	dREQ;
1220		1625
1221	req->type = EIO_MKNOD;	1626	req->type = EIO_MKNOD;
1222	req->sv1 = newSVsv (pathname);
1223	req->ptr1 = SvPVbyte_nolen (req->sv1);
1224	req->int2 = (mode_t)mode;	1627	req->int2 = (mode_t)mode;
1225	req->offs = dev;	1628	req->offs = dev;
		1629	req_set_path1 (req, pathname);
1226		1630
1227	REQ_SEND;	1631	REQ_SEND;
1228	}	1632	}
1229		1633
1230	void	1634	void
1231	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1635	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1232	ALIAS:	1636	ALIAS:
1233	aio_mtouch = EIO_MTOUCH	1637	aio_mtouch = EIO_MTOUCH
1234	aio_msync = EIO_MSYNC	1638	aio_msync = EIO_MSYNC
1235	PPCODE:	1639	PPCODE:
1236	{	1640	{
1237	STRLEN svlen;	1641	STRLEN svlen;
1238	char *svptr = SvPVbyte (data, svlen);	1642	char *svptr = SvPVbyte (data, svlen);
1239	UV len = SvUV (length);	1643	UV len = SvUV (length);
		1644
		1645	if (flags < 0)
		1646	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1240		1647
1241	if (offset < 0)	1648	if (offset < 0)
1242	offset += svlen;	1649	offset += svlen;
1243		1650
1244	if (offset < 0 || offset > svlen)	1651	if (offset < 0 || offset > svlen)
…		…
1259	REQ_SEND;	1666	REQ_SEND;
1260	}	1667	}
1261	}	1668	}
1262		1669
1263	void	1670	void
1264	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1671	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1265	PPCODE:	1672	PPCODE:
1266	{	1673	{
1267	STRLEN svlen;	1674	STRLEN svlen;
1268	char *svptr = SvPVbyte (data, svlen);	1675	char *svptr = SvPVbyte (data, svlen);
1269	UV len = SvUV (length);	1676	UV len = SvUV (length);
…		…
1288	REQ_SEND;	1695	REQ_SEND;
1289	}	1696	}
1290	}	1697	}
1291		1698
1292	void	1699	void
1293	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1700	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1294	PPCODE:	1701	PPCODE:
1295	{	1702	{
1296	dREQ;	1703	dREQ;
1297		1704
1298	req->type = EIO_MLOCKALL;	1705	req->type = EIO_MLOCKALL;
…		…
1300		1707
1301	REQ_SEND;	1708	REQ_SEND;
1302	}	1709	}
1303		1710
1304	void	1711	void
		1712	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1713	PPCODE:
		1714	{
		1715	int fd = s_fileno_croak (fh, 0);
		1716	dREQ;
		1717
		1718	req->type = EIO_CUSTOM;
		1719	req->sv1 = newSVsv (fh);
		1720	req->int1 = fd;
		1721
		1722	req->feed = fiemap;
		1723	#if HAVE_FIEMAP
		1724	/* keep our fingers crossed that the next two types are 64 bit */
		1725	req->offs = start;
		1726	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1727	req->int2 = flags;
		1728	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1729	#endif
		1730
		1731	REQ_SEND;
		1732	}
		1733
		1734	void
1305	aio_busy (double delay, SV *callback=&PL_sv_undef)	1735	aio_busy (double delay, SV *callback = &PL_sv_undef)
1306	PPCODE:	1736	PPCODE:
1307	{	1737	{
1308	dREQ;	1738	dREQ;
1309		1739
1310	req->type = EIO_BUSY;	1740	req->type = EIO_BUSY;
…		…
1312		1742
1313	REQ_SEND;	1743	REQ_SEND;
1314	}	1744	}
1315		1745
1316	void	1746	void
1317	aio_group (SV *callback=&PL_sv_undef)	1747	aio_group (SV *callback = &PL_sv_undef)
1318	PPCODE:	1748	PPCODE:
1319	{	1749	{
1320	dREQ;	1750	dREQ;
1321		1751
1322	req->type = EIO_GROUP;	1752	req->type = EIO_GROUP;
1323		1753
		1754	PUTBACK;
1324	req_submit (req);	1755	req_submit (req);
		1756	SPAGAIN;
		1757
1325	XPUSHs (req_sv (req, aio_grp_stash));	1758	XPUSHs (req_sv (req, aio_grp_stash));
1326	}	1759	}
1327		1760
1328	void	1761	void
1329	aio_nop (SV *callback=&PL_sv_undef)	1762	aio_nop (SV *callback = &PL_sv_undef)
1330	ALIAS:	1763	ALIAS:
1331	aio_nop = EIO_NOP	1764	aio_nop = EIO_NOP
1332	aio_sync = EIO_SYNC	1765	aio_sync = EIO_SYNC
1333	PPCODE:	1766	PPCODE:
1334	{	1767	{
…		…
1338		1771
1339	REQ_SEND;	1772	REQ_SEND;
1340	}	1773	}
1341		1774
1342	int	1775	int
1343	aioreq_pri (int pri = 0)	1776	aioreq_pri (int pri = NO_INIT)
1344	CODE:	1777	CODE:
1345	RETVAL = next_pri;	1778	RETVAL = next_pri;
1346	if (items > 0)	1779	if (items > 0)
1347	{	1780	{
1348	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1781	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1430	CODE:	1863	CODE:
1431	RETVAL = posix_fadvise (fh, offset, length, advice);	1864	RETVAL = posix_fadvise (fh, offset, length, advice);
1432	OUTPUT:	1865	OUTPUT:
1433	RETVAL	1866	RETVAL
1434		1867
1435	ssize_t	1868	IV
1436	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1869	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1437	CODE:	1870	CODE:
1438	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1871	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1439	OUTPUT:	1872	OUTPUT:
1440	RETVAL	1873	RETVAL
1441		1874
1442	void	1875	void
1443	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1876	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1444	PPCODE:	1877	PPCODE:
1445	sv_unmagic (scalar, MMAP_MAGIC);	1878	sv_unmagic (scalar, MMAP_MAGIC);
1446	{	1879	{
1447	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1880	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1448	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1881	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1475	munmap (SV *scalar)	1908	munmap (SV *scalar)
1476	CODE:	1909	CODE:
1477	sv_unmagic (scalar, MMAP_MAGIC);	1910	sv_unmagic (scalar, MMAP_MAGIC);
1478		1911
1479	int	1912	int
1480	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1913	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1481	ALIAS:	1914	ALIAS:
1482	mprotect = 1	1915	mprotect = 1
1483	CODE:	1916	CODE:
1484	{	1917	{
1485	STRLEN svlen;	1918	STRLEN svlen;
1486	void *addr = SvPVbyte (scalar, svlen);	1919	void *addr = SvPVbyte (scalar, svlen);
1487	size_t len = SvUV (length);	1920	STRLEN len = SvUV (length);
1488		1921
1489	if (offset < 0)	1922	if (offset < 0)
1490	offset += svlen;	1923	offset += svlen;
1491		1924
1492	if (offset < 0 || offset > svlen)	1925	if (offset < 0 || offset > svlen)
…		…
1506	}	1939	}
1507	OUTPUT:	1940	OUTPUT:
1508	RETVAL	1941	RETVAL
1509		1942
1510	int	1943	int
1511	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1944	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1512	CODE:	1945	CODE:
1513	{	1946	{
1514	STRLEN svlen;	1947	STRLEN svlen;
1515	void *addr = SvPVbyte (scalar, svlen);	1948	void *addr = SvPVbyte (scalar, svlen);
1516	size_t len = SvUV (length);	1949	size_t len = SvUV (length);
1517		1950
1518	if (offset < 0)	1951	if (offset < 0)
1519	offset += svlen;	1952	offset += svlen;
1520		1953
…		…
1524	if (!SvOK (length) || len + offset > svlen)	1957	if (!SvOK (length) || len + offset > svlen)
1525	len = svlen - offset;	1958	len = svlen - offset;
1526		1959
1527	addr = (void *)(((intptr_t)addr) + offset);	1960	addr = (void *)(((intptr_t)addr) + offset);
1528	eio_page_align (&addr, &len);	1961	eio_page_align (&addr, &len);
1529	#if _POSIX_MEMLOCK	1962	#if _POSIX_MEMLOCK_RANGE
1530	RETVAL = munlock (addr, len);	1963	RETVAL = munlock (addr, len);
1531	#else	1964	#else
1532	RETVAL = ((errno = ENOSYS), -1);	1965	RETVAL = EIO_ENOSYS ();
1533	#endif	1966	#endif
1534	}	1967	}
1535	OUTPUT:	1968	OUTPUT:
1536	RETVAL	1969	RETVAL
1537		1970
…		…
1539	munlockall ()	1972	munlockall ()
1540	CODE:	1973	CODE:
1541	#if _POSIX_MEMLOCK	1974	#if _POSIX_MEMLOCK
1542	munlockall ();	1975	munlockall ();
1543	#else	1976	#else
1544	RETVAL = -1;	1977	RETVAL = EIO_ENOSYS ();
1545	errno = ENOSYS;
1546	#endif	1978	#endif
1547	OUTPUT:	1979	OUTPUT:
1548	RETVAL	1980	RETVAL
		1981
		1982	int
		1983	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1984	CODE:
		1985	{
		1986	#if HAVE_LINUX_SPLICE
		1987	loff_t off_in_, off_out_;
		1988	RETVAL = splice (
		1989	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1990	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1991	length, flags
		1992	);
		1993	#else
		1994	RETVAL = EIO_ENOSYS ();
		1995	#endif
		1996	}
		1997	OUTPUT:
		1998	RETVAL
		1999
		2000	int
		2001	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2002	CODE:
		2003	#if HAVE_LINUX_SPLICE
		2004	RETVAL = tee (rfh, wfh, length, flags);
		2005	#else
		2006	RETVAL = EIO_ENOSYS ();
		2007	#endif
		2008	OUTPUT:
		2009	RETVAL
		2010
		2011	int
		2012	pipesize (aio_rfd rfh, int new_size = -1)
		2013	PROTOTYPE: $;$
		2014	CODE:
		2015	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2016	if (new_size >= 0)
		2017	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2018	else
		2019	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2020	#else
		2021	errno = ENOSYS;
		2022	RETVAL = -1;
		2023	#endif
		2024	OUTPUT:
		2025	RETVAL
		2026
		2027	void
		2028	pipe2 (int flags = 0)
		2029	PROTOTYPE: ;$
		2030	PPCODE:
		2031	{
		2032	int fd[2];
		2033	int res;
		2034
		2035	if (flags)
		2036	#if HAVE_PIPE2
		2037	res = pipe2 (fd, flags);
		2038	#else
		2039	res = (errno = ENOSYS, -1);
		2040	#endif
		2041	else
		2042	res = pipe (fd);
		2043
		2044	if (!res)
		2045	{
		2046	EXTEND (SP, 2);
		2047	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2048	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2049	}
		2050	}
1549		2051
1550	void _on_next_submit (SV *cb)	2052	void _on_next_submit (SV *cb)
1551	CODE:	2053	CODE:
1552	SvREFCNT_dec (on_next_submit);	2054	SvREFCNT_dec (on_next_submit);
1553	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2055	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1554		2056
1555	PROTOTYPES: DISABLE	2057	PROTOTYPES: DISABLE
1556		2058
		2059	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2060
		2061	BOOT:
		2062	{
		2063	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2064	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2065	}
		2066
		2067	void
		2068	DESTROY (SV *self)
		2069	CODE:
		2070	{
		2071	aio_wd wd = SvAIO_WD (self);
		2072	#if HAVE_AT
		2073	{
		2074	SV *callback = &PL_sv_undef;
		2075	dREQ; /* clobbers next_pri :/ */
		2076	next_pri = req->pri; /* restore next_pri */
		2077	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2078	req->type = EIO_WD_CLOSE;
		2079	req->wd = wd;
		2080	REQ_SEND;
		2081	}
		2082	#else
		2083	eio_wd_close_sync (wd);
		2084	#endif
		2085	}
		2086
1557	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2087	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1558		2088
1559	void	2089	void
1560	cancel (aio_req_ornot req)	2090	cancel (aio_req_ornot req)
1561	CODE:	2091	CODE:
1562	eio_cancel (req);	2092	eio_cancel (req);
1563		2093
1564	void	2094	void
1565	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2095	cb (aio_req_ornot req, SV *callback = NO_INIT)
1566	PPCODE:	2096	PPCODE:
1567	{	2097	{
1568	if (GIMME_V != G_VOID)	2098	if (GIMME_V != G_VOID)
1569	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2099	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1570		2100
1571	if (items > 1)	2101	if (items > 1)
1572	{	2102	{
1573	SV *cb_cv =get_cb (callback);	2103	SV *cb_cv = get_cb (callback);
1574		2104
1575	SvREFCNT_dec (req->callback);	2105	SvREFCNT_dec (req->callback);
1576	req->callback = SvREFCNT_inc (cb_cv);	2106	req->callback = SvREFCNT_inc (cb_cv);
1577	}	2107	}
1578	}	2108	}
…		…
1635	limit (aio_req grp, int limit)	2165	limit (aio_req grp, int limit)
1636	CODE:	2166	CODE:
1637	eio_grp_limit (grp, limit);	2167	eio_grp_limit (grp, limit);
1638		2168
1639	void	2169	void
1640	feed (aio_req grp, SV *callback=&PL_sv_undef)	2170	feed (aio_req grp, SV *callback = &PL_sv_undef)
1641	CODE:	2171	CODE:
1642	{	2172	{
1643	SvREFCNT_dec (grp->sv2);	2173	SvREFCNT_dec (grp->sv2);
1644	grp->sv2 = newSVsv (callback);	2174	grp->sv2 = newSVsv (callback);
1645	grp->feed = aio_grp_feed;	2175	grp->feed = aio_grp_feed;

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