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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.182 by root, Thu May 19 22:57:04 2011 UTC vs.
Revision 1.245 by root, Fri Jun 23 03:23:19 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_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
		24	/* 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
		36	#endif
		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
123	#include "libeio/config.h"	124	#include "libeio/config.h"
124	#include "libeio/eio.h"	125	#include "libeio/eio.h"
125		126
126	/* Linux/others */	127	static int req_invoke (eio_req *req);
127	#ifndef O_ASYNC	128	#define EIO_FINISH(req) req_invoke (req)
128	# define O_ASYNC 0	129	static void req_destroy (eio_req *grp);
129	#endif	130	#define EIO_DESTROY(req) req_destroy (req)
130	#ifndef O_DIRECT
131	# define O_DIRECT 0
132	#endif
133	#ifndef O_NOATIME
134	# define O_NOATIME 0
135	#endif
136		131
137	/* POSIX */	132	#include "libeio/eio.c"
138	#ifndef O_CLOEXEC
139	# define O_CLOEXEC 0
140	#endif
141	#ifndef O_NOFOLLOW
142	# define O_NOFOLLOW 0
143	#endif
144	#ifndef O_NOCTTY
145	# define O_NOCTTY 0
146	#endif
147	#ifndef O_NONBLOCK
148	# define O_NONBLOCK 0
149	#endif
150	#ifndef O_EXEC
151	# define O_EXEC 0
152	#endif
153	#ifndef O_SEARCH
154	# define O_SEARCH 0
155	#endif
156	#ifndef O_DIRECTORY
157	# define O_DIRECTORY 0
158	#endif
159	#ifndef O_DSYNC
160	# define O_DSYNC 0
161	#endif
162	#ifndef O_RSYNC
163	# define O_RSYNC 0
164	#endif
165	#ifndef O_SYNC
166	# define O_SYNC 0
167	#endif
168	#ifndef O_TTY_INIT
169	# define O_TTY_INIT 0
170	#endif
171
172	#ifndef POSIX_FADV_NORMAL
173	# define POSIX_FADV_NORMAL 0
174	#endif
175	#ifndef POSIX_FADV_SEQUENTIAL
176	# define POSIX_FADV_SEQUENTIAL 0
177	#endif
178	#ifndef POSIX_FADV_RANDOM
179	# define POSIX_FADV_RANDOM 0
180	#endif
181	#ifndef POSIX_FADV_NOREUSE
182	# define POSIX_FADV_NOREUSE 0
183	#endif
184	#ifndef POSIX_FADV_WILLNEED
185	# define POSIX_FADV_WILLNEED 0
186	#endif
187	#ifndef POSIX_FADV_DONTNEED
188	# define POSIX_FADV_DONTNEED 0
189	#endif
190		133
191	#if !HAVE_POSIX_FADVISE	134	#if !HAVE_POSIX_FADVISE
192	# 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 */
193	#endif	136	#endif
194		137
195	#ifndef POSIX_MADV_NORMAL
196	# define POSIX_MADV_NORMAL 0
197	#endif
198	#ifndef POSIX_MADV_SEQUENTIAL
199	# define POSIX_MADV_SEQUENTIAL 0
200	#endif
201	#ifndef POSIX_MADV_RANDOM
202	# define POSIX_MADV_RANDOM 0
203	#endif
204	#ifndef POSIX_MADV_WILLNEED
205	# define POSIX_MADV_WILLNEED 0
206	#endif
207	#ifndef POSIX_MADV_DONTNEED
208	# define POSIX_MADV_DONTNEED 0
209	#endif
210
211	#if !HAVE_POSIX_MADVISE	138	#if !HAVE_POSIX_MADVISE
212	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213	#endif
214
215	#ifndef PROT_NONE
216	# define PROT_NONE 0
217	#endif
218	#ifndef PROT_READ
219	# define PROT_READ 0
220	#endif
221	#ifndef PROT_WRITE
222	# define PROT_READ 0
223	#endif
224	#ifndef PROT_EXEC
225	# define PROT_EXEC 0
226	#endif
227
228	#ifndef ST_NODEV
229	# define ST_NODEV 0
230	#endif
231	#ifndef ST_NOEXEC
232	# define ST_NOEXEC 0
233	#endif
234	#ifndef ST_SYNCHRONOUS
235	# define ST_SYNCHRONOUS 0
236	#endif
237	#ifndef ST_MANDLOCK
238	# define ST_MANDLOCK 0
239	#endif
240	#ifndef ST_WRITE
241	# define ST_WRITE 0
242	#endif
243	#ifndef ST_APPEND
244	# define ST_APPEND 0
245	#endif
246	#ifndef ST_IMMUTABLE
247	# define ST_IMMUTABLE 0
248	#endif
249	#ifndef ST_NOATIME
250	# define ST_NOATIME 0
251	#endif
252	#ifndef ST_NODIRATIME
253	# define ST_NODIRATIME 0
254	#endif
255	#ifndef ST_RELATIME
256	# define ST_RELATIME 0
257	#endif
258
259	#ifndef S_IFIFO
260	# define S_IFIFO 0
261	#endif
262	#ifndef S_IFCHR
263	# define S_IFCHR 0
264	#endif
265	#ifndef S_IFBLK
266	# define S_IFBLK 0
267	#endif
268	#ifndef S_IFLNK
269	# define S_IFLNK 0
270	#endif
271	#ifndef S_IFREG
272	# define S_IFREG 0
273	#endif
274	#ifndef S_IFDIR
275	# define S_IFDIR 0
276	#endif
277	#ifndef S_IFWHT
278	# define S_IFWHT 0
279	#endif
280	#ifndef S_IFSOCK
281	# define S_IFSOCK 0
282	#endif	140	#endif
283		141
284	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
285	# ifdef MAP_ANON	143	# ifdef MAP_ANON
286	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
287	# else	145	# else
288	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289	# endif	147	# endif
290	#endif	148	#endif
291	#ifndef MAP_HUGETLB	149
292	# define MAP_HUGETLB 0	150	/* defines all sorts of constants to 0 unless they are already defined */
293	#endif	151	/* also provides const_iv_ and const_niv_ macros for them */
294	#ifndef MAP_LOCKED	152	#include "def0.h"
295	# define MAP_LOCKED 0
296	#endif
297	#ifndef MAP_NORESERVE
298	# define MAP_NORESERVE 0
299	#endif
300	#ifndef MAP_POPULATE
301	# define MAP_POPULATE 0
302	#endif
303	#ifndef MAP_NONBLOCK
304	# define MAP_NONBLOCK 0
305	#endif
306		153
307	#ifndef makedev	154	#ifndef makedev
308	# define makedev(maj,min) (((maj) << 8) | (min))	155	# define makedev(maj,min) (((maj) << 8) | (min))
309	#endif	156	#endif
310	#ifndef major	157	#ifndef major
…		…
312	#endif	159	#endif
313	#ifndef minor	160	#ifndef minor
314	# define minor(dev) ((dev) & 0xff)	161	# define minor(dev) ((dev) & 0xff)
315	#endif	162	#endif
316		163
317	#ifndef PAGESIZE	164	#if PAGESIZE <= 0
318	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
319	#endif	166	#endif
320		167
321	static int req_invoke (eio_req *req);	168	/*****************************************************************************/
322	#define EIO_FINISH(req) req_invoke (req)	169
323	static void req_destroy (eio_req *grp);	170	static void
324	#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	/*****************************************************************************/
325		267
326	enum {	268	enum {
327	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328	};	270	};
329		271
330	#include "libeio/eio.c"
331
332	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
334		275
335	static SV *on_next_submit;	276	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	278	static int max_outstanding;
338		279
339	static s_epipe respipe;	280	static s_epipe respipe;
340		281
341	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
343		284
344	static void want_poll (void)	285	static void
		286	want_poll (void)
345	{	287	{
346	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
348	}	290	}
349		291
350	static void done_poll (void)	292	static void
		293	done_poll (void)
351	{	294	{
352	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
354	}	297	}
355		298
356	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
358	{	302	{
359	if (!req->self)	303	if (!req->self)
360	{	304	{
361	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	307	}
364		308
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	310	}
367		311
368	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)
369	{	320	{
370	MAGIC *mg;	321	MAGIC *mg;
371		322
372	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
377		329
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		331
380	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	333	}
382		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
383	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
384	{	373	{
385	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
386	{	375	{
387	dSP;	376	dSP;
388		377
…		…
396	FREETMPS;	385	FREETMPS;
397	LEAVE;	386	LEAVE;
398	}	387	}
399	}	388	}
400		389
		390	static void
401	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
402	{	392	{
403	eio_submit (req);	393	eio_submit (req);
404		394
405	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
406	{	396	{
…		…
413	PUTBACK;	403	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
415	}	405	}
416	}	406	}
417		407
		408	static int
418	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
419	{	410	{
420	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
422		413
423	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
445	}	436	}
446		437
447	switch (req->type)	438	switch (req->type)
448	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
449	case EIO_READDIR:	444	case EIO_READDIR:
450	{	445	{
451	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
452		447
453	if (req->result >= 0)	448	if (req->result >= 0)
…		…
506	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))));
507	}	502	}
508	break;	503	break;
509		504
510	case EIO_OPEN:	505	case EIO_OPEN:
511	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
512	/* convert fd to fh */
513	SV *fh = &PL_sv_undef;
514
515	if (req->result >= 0)
516	{
517	GV *gv = (GV *)sv_newmortal ();
518	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
519	char sym [64];
520	int symlen;
521
522	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
523	gv_init (gv, aio_stash, sym, symlen, 0);
524
525	symlen = snprintf (
526	sym,
527	sizeof (sym),
528	"%s&=%d",
529	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530	(int)req->result
531	);
532
533	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
534	fh = (SV *)gv;
535	}
536
537	PUSHs (fh);
538	}
539	break;	507	break;
540		508
541	case EIO_STATVFS:	509	case EIO_STATVFS:
542	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
543	{	511	{
544	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
545		513
		514	#ifndef _WIN32
546	if (req->result >= 0)	515	if (req->result >= 0)
547	{	516	{
548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549	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));
550		524
551	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
552		526
553	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);
554	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);
…		…
556	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);
557	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);
558	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);
559	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);
560	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);
561	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562	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);
563	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);
564	}	538	}
		539	#endif
565		540
566	PUSHs (rv);	541	PUSHs (rv);
567	}	542	}
568		543
569	break;	544	break;
…		…
585	case EIO_NOP:	560	case EIO_NOP:
586	case EIO_BUSY:	561	case EIO_BUSY:
587	break;	562	break;
588		563
589	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
590	if (req->result > 0)	566	if (req->result > 0)
591	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
592	break;	568	break;
593		569
594	case EIO_STAT:	570	case EIO_STAT:
595	case EIO_LSTAT:	571	case EIO_LSTAT:
596	case EIO_FSTAT:	572	case EIO_FSTAT:
597	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
598	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
599	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
600	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)));
601	break;	584	break;
602		585
603	case EIO_READ:	586	case EIO_READ:
604	{	587	{
605	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));
…		…
608	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
609	PUSHs (sv_result);	592	PUSHs (sv_result);
610	}	593	}
611	break;	594	break;
612		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
613	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
614	if (req->result > 0)	637	if (req->result > 0)
615	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
616	/* FALLTHROUGH */	639	/* FALLTHROUGH */
617		640
…		…
638	}	661	}
639		662
640	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
641	}	664	}
642		665
		666	static void
643	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
644	{	668	{
645	if (req->self)	669	if (req->self)
646	{	670	{
647	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
648	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
649	}	673	}
650		674
651	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
652	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
653	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
654		680
655	Safefree (req);	681	free (req);
656	}	682	}
657		683
		684	static void
658	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
659	{	686	{
660	aio_req sub;
661
662	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
663	return;	688	return;
664		689
665	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
666	grp->sv2 = 0;	691	grp->sv2 = 0;
667		692
668	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
669	}	694	}
670		695
671	static void	696	static void ecb_cold
672	create_respipe (void)	697	create_respipe (void)
673	{	698	{
674	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
675	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
676	}	701	}
677		702
678	static void poll_wait (void)	703	static void
		704	poll_wait (void)
679	{	705	{
680	while (eio_nreqs ())	706	while (eio_nreqs ())
681	{	707	{
682	int size;	708	int size;
683		709
684	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
685	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
686	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
687		713
688	if (size)	714	if (size)
689	return;	715	return;
690		716
691	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
692		718
693	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
694	}	720	}
695	}	721	}
696		722
697	static int poll_cb (void)	723	static int
		724	poll_cb (void)
698	{	725	{
699	for (;;)	726	for (;;)
700	{	727	{
701	int res = eio_poll ();	728	int res = eio_poll ();
702		729
…		…
708		735
709	poll_wait ();	736	poll_wait ();
710	}	737	}
711	}	738	}
712		739
713	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
714	{	742	{
715	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
716	}	747	}
717		748
718	/*****************************************************************************/	749	/*****************************************************************************/
719		750
720	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
721	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
722	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
723	#endif	754	#endif
724		755
725	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
726	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
727	# define PROT_NONE 0
728	# define PROT_WRITE 0
729	# define MAP_PRIVATE 0
730	# define MAP_SHARED 0
731	# define MAP_FIXED 0
732	#endif	758	#endif
733		759
734	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
735		761
736	static int	762	static int ecb_cold
737	mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
738	{	764	{
739	int old_errno = errno;	765	int old_errno = errno;
740	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741	errno = old_errno;	767	errno = old_errno;
…		…
765	{	791	{
766	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768	}	794	}
769		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
770	#define dREQ \	816	#define dREQ \
771	SV *cb_cv; \	817	aio_req req = dreq (callback); \
772	aio_req req; \
773	int req_pri = next_pri; \
774	next_pri = EIO_PRI_DEFAULT; \
775	\
776	cb_cv = get_cb (callback); \
777	\
778	Newz (0, req, 1, eio_req); \
779	if (!req) \
780	croak ("out of memory during eio_req allocation"); \
781	\
782	req->callback = SvREFCNT_inc (cb_cv); \
783	req->pri = req_pri
784		818
785	#define REQ_SEND \	819	#define REQ_SEND \
786	PUTBACK; \	820	PUTBACK; \
787	req_submit (req); \	821	req_submit (req); \
788	SPAGAIN; \	822	SPAGAIN; \
789	\	823	\
790	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
791	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
792		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
793	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
794		894
795	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
796		896
797	BOOT:	897	BOOT:
…		…
801	IV iv;	901	IV iv;
802	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
803	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
804	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
805	# 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)
806	const_iv (EXDEV)	910	const_iv (EXDEV)
807	const_iv (ENOSYS)	911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929	const_niv (MADV_FREE , POSIX_MADV_FREE)
		930
		931	/* the second block will be 0 when missing */
808	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
809	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
810	const_iv (O_RDWR)	934	const_iv (O_RDWR)
811	const_iv (O_CREAT)	935	const_iv (O_CREAT)
812	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
…		…
825	const_iv (O_SEARCH)	949	const_iv (O_SEARCH)
826	const_iv (O_DIRECTORY)	950	const_iv (O_DIRECTORY)
827	const_iv (O_DSYNC)	951	const_iv (O_DSYNC)
828	const_iv (O_RSYNC)	952	const_iv (O_RSYNC)
829	const_iv (O_SYNC)	953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
830	const_iv (O_TTY_INIT)	956	const_iv (O_TTY_INIT)
831		957
832	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
833	const_iv (S_IFCHR)	959	const_iv (S_IFCHR)
834	const_iv (S_IFBLK)	960	const_iv (S_IFBLK)
…		…
836	const_iv (S_IFREG)	962	const_iv (S_IFREG)
837	const_iv (S_IFDIR)	963	const_iv (S_IFDIR)
838	const_iv (S_IFWHT)	964	const_iv (S_IFWHT)
839	const_iv (S_IFSOCK)	965	const_iv (S_IFSOCK)
840	const_iv (S_IFMT)	966	const_iv (S_IFMT)
841
842	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
843	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
844	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
845	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
846	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
847	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854		967
855	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
856	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
857	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
858	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
868	const_iv (PROT_NONE)	981	const_iv (PROT_NONE)
869	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
870	const_iv (PROT_READ)	983	const_iv (PROT_READ)
871	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
872		985
873	/*const_iv (MAP_FIXED)*/
874	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
875	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
876	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
877		990
878	/* linuxish */	991	/* linuxish */
879	const_iv (MAP_HUGETLB)
880	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
881	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
882	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
883	const_iv (MAP_NONBLOCK)	995	const_iv (MAP_NONBLOCK)
		996	const_iv (MAP_GROWSDOWN)
		997	const_iv (MAP_32BIT)
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_STACK)
		1000
		1001	const_iv (FIFREEZE)
		1002	const_iv (FITHAW)
		1003	const_iv (FITRIM)
		1004	const_iv (FICLONE)
		1005	const_iv (FICLONERANGE)
		1006	const_iv (FIDEDUPERANGE)
		1007
		1008	const_iv (FS_IOC_GETFLAGS)
		1009	const_iv (FS_IOC_SETFLAGS)
		1010	const_iv (FS_IOC_GETVERSION)
		1011	const_iv (FS_IOC_SETVERSION)
		1012	const_iv (FS_IOC_FIEMAP)
		1013	const_iv (FS_IOC_FSGETXATTR)
		1014	const_iv (FS_IOC_FSSETXATTR)
		1015	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1016	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1017	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1018
		1019	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1020
		1021	const_iv (FS_SECRM_FL)
		1022	const_iv (FS_UNRM_FL)
		1023	const_iv (FS_COMPR_FL)
		1024	const_iv (FS_SYNC_FL)
		1025	const_iv (FS_IMMUTABLE_FL)
		1026	const_iv (FS_APPEND_FL)
		1027	const_iv (FS_NODUMP_FL)
		1028	const_iv (FS_NOATIME_FL)
		1029	const_iv (FS_DIRTY_FL)
		1030	const_iv (FS_COMPRBLK_FL)
		1031	const_iv (FS_NOCOMP_FL)
		1032	const_iv (FS_ENCRYPT_FL)
		1033	const_iv (FS_BTREE_FL)
		1034	const_iv (FS_INDEX_FL)
		1035	const_iv (FS_JOURNAL_DATA_FL)
		1036	const_iv (FS_NOTAIL_FL)
		1037	const_iv (FS_DIRSYNC_FL)
		1038	const_iv (FS_TOPDIR_FL)
		1039	const_iv (FS_FL_USER_MODIFIABLE)
		1040
		1041	const_iv (FS_XFLAG_REALTIME)
		1042	const_iv (FS_XFLAG_PREALLOC)
		1043	const_iv (FS_XFLAG_IMMUTABLE)
		1044	const_iv (FS_XFLAG_APPEND)
		1045	const_iv (FS_XFLAG_SYNC)
		1046	const_iv (FS_XFLAG_NOATIME)
		1047	const_iv (FS_XFLAG_NODUMP)
		1048	const_iv (FS_XFLAG_RTINHERIT)
		1049	const_iv (FS_XFLAG_PROJINHERIT)
		1050	const_iv (FS_XFLAG_NOSYMLINKS)
		1051	const_iv (FS_XFLAG_EXTSIZE)
		1052	const_iv (FS_XFLAG_EXTSZINHERIT)
		1053	const_iv (FS_XFLAG_NODEFRAG)
		1054	const_iv (FS_XFLAG_FILESTREAM)
		1055	const_iv (FS_XFLAG_DAX)
		1056	const_iv (FS_XFLAG_HASATTR)
		1057
		1058	const_iv (FIEMAP_FLAG_SYNC)
		1059	const_iv (FIEMAP_FLAG_XATTR)
		1060	const_iv (FIEMAP_FLAGS_COMPAT)
		1061	const_iv (FIEMAP_EXTENT_LAST)
		1062	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1063	const_iv (FIEMAP_EXTENT_DELALLOC)
		1064	const_iv (FIEMAP_EXTENT_ENCODED)
		1065	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1066	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1067	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1068	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1069	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1070	const_iv (FIEMAP_EXTENT_MERGED)
		1071	const_iv (FIEMAP_EXTENT_SHARED)
		1072
		1073	const_iv (SPLICE_F_MOVE)
		1074	const_iv (SPLICE_F_NONBLOCK)
		1075	const_iv (SPLICE_F_MORE)
		1076	const_iv (SPLICE_F_GIFT)
		1077
		1078	/* these are libeio constants, and are independent of gendef0 */
		1079	const_eio (SEEK_SET)
		1080	const_eio (SEEK_CUR)
		1081	const_eio (SEEK_END)
884		1082
885	const_eio (MCL_FUTURE)	1083	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1084	const_eio (MCL_CURRENT)
887		1085
888	const_eio (MS_ASYNC)	1086	const_eio (MS_ASYNC)
…		…
892	const_eio (MT_MODIFY)	1090	const_eio (MT_MODIFY)
893		1091
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1092	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1093	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1094	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1095
		1096	const_eio (FALLOC_FL_KEEP_SIZE)
		1097	const_eio (FALLOC_FL_PUNCH_HOLE)
		1098	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1099	const_eio (FALLOC_FL_ZERO_RANGE)
		1100
		1101	const_eio (RENAME_NOREPLACE)
		1102	const_eio (RENAME_EXCHANGE)
		1103	const_eio (RENAME_WHITEOUT)
897		1104
898	const_eio (READDIR_DENTS)	1105	const_eio (READDIR_DENTS)
899	const_eio (READDIR_DIRS_FIRST)	1106	const_eio (READDIR_DIRS_FIRST)
900	const_eio (READDIR_STAT_ORDER)	1107	const_eio (READDIR_STAT_ORDER)
901	const_eio (READDIR_FOUND_UNKNOWN)	1108	const_eio (READDIR_FOUND_UNKNOWN)
…		…
912	};	1119	};
913		1120
914	aio_stash = gv_stashpv ("IO::AIO" , 1);	1121	aio_stash = gv_stashpv ("IO::AIO" , 1);
915	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1122	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1123	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1124	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
917		1125
918	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1126	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
919	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1127	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
920		1128
921	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1129	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922		1130
923	create_respipe ();	1131	reinit ();
924
925	if (eio_init (want_poll, done_poll) < 0)
926	croak ("IO::AIO: unable to initialise eio library");
927
928	/* atfork child called in fifo order, so before eio's handler */
929	X_THREAD_ATFORK (0, 0, atfork_child);
930	}	1132	}
		1133
		1134	void
		1135	reinit ()
		1136	PROTOTYPE:
931		1137
932	void	1138	void
933	max_poll_reqs (unsigned int nreqs)	1139	max_poll_reqs (unsigned int nreqs)
934	PROTOTYPE: $	1140	PROTOTYPE: $
935	CODE:	1141	CODE:
…		…
970	PROTOTYPE: $	1176	PROTOTYPE: $
971	CODE:	1177	CODE:
972	max_outstanding = maxreqs;	1178	max_outstanding = maxreqs;
973		1179
974	void	1180	void
975	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1181	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
976	PPCODE:	1182	PPCODE:
977	{	1183	{
978	dREQ;	1184	dREQ;
979		1185
		1186	req->type = EIO_WD_OPEN;
		1187	req_set_path1 (req, pathname);
		1188
		1189	REQ_SEND;
		1190	}
		1191
		1192	void
		1193	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1194	PPCODE:
		1195	{
		1196	dREQ;
		1197
980	req->type = EIO_OPEN;	1198	req->type = EIO_OPEN;
981	req->sv1 = newSVsv (pathname);	1199	req_set_path1 (req, pathname);
982	req->ptr1 = SvPVbyte_nolen (req->sv1);
983	req->int1 = flags;	1200	req->int1 = flags;
984	req->int2 = mode;	1201	req->int2 = mode;
985		1202
986	REQ_SEND;	1203	REQ_SEND;
987	}	1204	}
988		1205
989	void	1206	void
990	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1207	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
991	ALIAS:	1208	ALIAS:
992	aio_fsync = EIO_FSYNC	1209	aio_fsync = EIO_FSYNC
993	aio_fdatasync = EIO_FDATASYNC	1210	aio_fdatasync = EIO_FDATASYNC
		1211	aio_syncfs = EIO_SYNCFS
994	PPCODE:	1212	PPCODE:
995	{	1213	{
996	int fd = s_fileno_croak (fh, 0);	1214	int fd = s_fileno_croak (fh, 0);
997	dREQ;	1215	dREQ;
998		1216
999	req->type = ix;	1217	req->type = ix;
1000	req->sv1 = newSVsv (fh);	1218	req->sv1 = newSVsv (fh);
1001	req->int1 = fd;	1219	req->int1 = fd;
1002		1220
1003	REQ_SEND (req);	1221	REQ_SEND;
1004	}	1222	}
1005		1223
1006	void	1224	void
1007	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1225	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1008	PPCODE:	1226	PPCODE:
1009	{	1227	{
1010	int fd = s_fileno_croak (fh, 0);	1228	int fd = s_fileno_croak (fh, 0);
1011	dREQ;	1229	dREQ;
1012		1230
1013	req->type = EIO_SYNC_FILE_RANGE;	1231	req->type = EIO_SYNC_FILE_RANGE;
1014	req->sv1 = newSVsv (fh);	1232	req->sv1 = newSVsv (fh);
1015	req->int1 = fd;	1233	req->int1 = fd;
1016	req->offs = offset;	1234	req->offs = offset;
1017	req->size = nbytes;	1235	req->size = nbytes;
1018	req->int2 = flags;	1236	req->int2 = flags;
1019		1237
1020	REQ_SEND (req);	1238	REQ_SEND;
1021	}	1239	}
1022		1240
1023	void	1241	void
1024	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1242	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1025	PPCODE:	1243	PPCODE:
1026	{	1244	{
1027	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1028	int fd = s_fileno_croak (fh, 0);	1245	int fd = s_fileno_croak (fh, 0);
1029	dREQ;	1246	dREQ;
1030		1247
1031	if (close_pipe < 0)	1248	req->type = EIO_FALLOCATE;
		1249	req->sv1 = newSVsv (fh);
		1250	req->int1 = fd;
		1251	req->int2 = mode;
		1252	req->offs = offset;
		1253	req->size = len;
		1254
		1255	REQ_SEND;
		1256	}
		1257
		1258	void
		1259	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1260	PPCODE:
		1261	{
		1262	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1263	int fd = s_fileno_croak (fh, 0);
		1264	dREQ;
		1265
		1266	if (expect_false (close_fd < 0))
1032	{	1267	{
1033	int pipefd [2];	1268	int pipefd [2];
1034		1269
		1270	if (
		1271	#ifdef _WIN32
		1272	_pipe (pipefd, 1, _O_BINARY) < 0
		1273	#else
1035	if (pipe (pipefd) < 0	1274	pipe (pipefd) < 0
1036	|| close (pipefd [1]) < 0
1037	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1275	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1276	#endif
		1277	|| close (pipefd [1]) < 0
		1278	)
1038	abort (); /*D*/	1279	abort (); /*D*/
1039		1280
1040	close_pipe = pipefd [0];	1281	close_fd = pipefd [0];
1041	}	1282	}
1042		1283
1043	req->type = EIO_DUP2;	1284	req->type = EIO_DUP2;
1044	req->int1 = close_pipe;	1285	req->int1 = close_fd;
1045	req->sv2 = newSVsv (fh);	1286	req->sv2 = newSVsv (fh);
1046	req->int2 = fd;	1287	req->int2 = fd;
1047		1288
1048	REQ_SEND (req);	1289	REQ_SEND;
1049	}	1290	}
1050		1291
1051	void	1292	void
		1293	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1294	PPCODE:
		1295	{
		1296	int fd = s_fileno_croak (fh, 0);
		1297	dREQ;
		1298
		1299	req->type = EIO_SEEK;
		1300	req->sv1 = newSVsv (fh);
		1301	req->int1 = fd;
		1302	req->offs = SvVAL64 (offset);
		1303	req->int2 = whence;
		1304
		1305	REQ_SEND;
		1306	}
		1307
		1308	void
1052	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1309	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1053	ALIAS:	1310	ALIAS:
1054	aio_read = EIO_READ	1311	aio_read = EIO_READ
1055	aio_write = EIO_WRITE	1312	aio_write = EIO_WRITE
1056	PPCODE:	1313	PPCODE:
1057	{	1314	{
…		…
1073	len = svlen - dataoffset;	1330	len = svlen - dataoffset;
1074	}	1331	}
1075	else	1332	else
1076	{	1333	{
1077	/* read: check type and grow scalar as necessary */	1334	/* read: check type and grow scalar as necessary */
1078	SvUPGRADE (data, SVt_PV);	1335	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1079	svptr = SvGROW (data, len + dataoffset + 1);	1336	svptr = sv_grow (data, len + dataoffset + 1);
		1337	else if (SvCUR (data) < len + dataoffset)
		1338	croak ("length + dataoffset outside of scalar, and cannot grow");
1080	}	1339	}
1081		1340
1082	{	1341	{
1083	dREQ;	1342	dREQ;
1084		1343
…		…
1100	REQ_SEND;	1359	REQ_SEND;
1101	}	1360	}
1102	}	1361	}
1103		1362
1104	void	1363	void
1105	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1364	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1365	ALIAS:
		1366	aio_ioctl = EIO_IOCTL
		1367	aio_fcntl = EIO_FCNTL
1106	PPCODE:	1368	PPCODE:
1107	{	1369	{
1108	SV *data;	1370	int fd = s_fileno_croak (fh, 0);
		1371	char *svptr;
		1372
		1373	if (SvPOK (arg) || !SvNIOK (arg))
		1374	{
		1375	STRLEN svlen;
		1376	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1377	#ifdef IOCPARM_LEN
		1378	STRLEN need = IOCPARM_LEN (request);
		1379	#else
		1380	STRLEN need = 256;
		1381	#endif
		1382
		1383	if (svlen < need)
		1384	svptr = SvGROW (arg, need);
		1385	}
		1386	else
		1387	svptr = (char *)SvIV (arg);
		1388
		1389	{
		1390	dREQ;
		1391
		1392	req->type = ix;
		1393	req->sv1 = newSVsv (fh);
		1394	req->int1 = fd;
		1395	req->int2 = (long)request;
		1396	req->sv2 = SvREFCNT_inc (arg);
		1397	req->ptr2 = svptr;
		1398
		1399	REQ_SEND;
		1400	}
		1401	}
		1402
		1403	void
		1404	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1405	ALIAS:
		1406	aio_readlink = EIO_READLINK
		1407	aio_realpath = EIO_REALPATH
		1408	PPCODE:
		1409	{
1109	dREQ;	1410	dREQ;
1110		1411
1111	req->type = EIO_READLINK;	1412	req->type = ix;
1112	req->sv1 = newSVsv (path);	1413	req_set_path1 (req, pathname);
1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
1114		1414
1115	REQ_SEND;	1415	REQ_SEND;
1116	}	1416	}
1117		1417
1118	void	1418	void
1119	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1419	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1120	PPCODE:	1420	PPCODE:
1121	{	1421	{
1122	int ifd = s_fileno_croak (in_fh , 0);	1422	int ifd = s_fileno_croak (in_fh , 0);
1123	int ofd = s_fileno_croak (out_fh, 1);	1423	int ofd = s_fileno_croak (out_fh, 1);
1124	dREQ;	1424	dREQ;
1125		1425
1126	req->type = EIO_SENDFILE;	1426	req->type = EIO_SENDFILE;
1127	req->sv1 = newSVsv (out_fh);	1427	req->sv1 = newSVsv (out_fh);
1128	req->int1 = ofd;	1428	req->int1 = ofd;
…		…
1133		1433
1134	REQ_SEND;	1434	REQ_SEND;
1135	}	1435	}
1136		1436
1137	void	1437	void
1138	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1438	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1139	PPCODE:	1439	PPCODE:
1140	{	1440	{
1141	int fd = s_fileno_croak (fh, 0);	1441	int fd = s_fileno_croak (fh, 0);
1142	dREQ;	1442	dREQ;
1143		1443
1144	req->type = EIO_READAHEAD;	1444	req->type = EIO_READAHEAD;
1145	req->sv1 = newSVsv (fh);	1445	req->sv1 = newSVsv (fh);
1146	req->int1 = fd;	1446	req->int1 = fd;
…		…
1149		1449
1150	REQ_SEND;	1450	REQ_SEND;
1151	}	1451	}
1152		1452
1153	void	1453	void
1154	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1454	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1155	ALIAS:	1455	ALIAS:
1156	aio_stat = EIO_STAT	1456	aio_stat = EIO_STAT
1157	aio_lstat = EIO_LSTAT	1457	aio_lstat = EIO_LSTAT
1158	aio_statvfs = EIO_STATVFS	1458	aio_statvfs = EIO_STATVFS
1159	PPCODE:	1459	PPCODE:
1160	{	1460	{
1161	dREQ;	1461	dREQ;
1162		1462
1163	req->sv1 = newSVsv (fh_or_path);	1463	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1164
1165	if (SvPOK (req->sv1))
1166	{
1167	req->type = ix;
1168	req->ptr1 = SvPVbyte_nolen (req->sv1);
1169	}
1170	else
1171	{
1172	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1173	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1174	}
1175		1464
1176	REQ_SEND;	1465	REQ_SEND;
1177	}	1466	}
1178		1467
1179	UV	1468	UV
1180	major (UV dev)	1469	major (UV dev)
1181	ALIAS:	1470	ALIAS:
1182	minor = 1	1471	minor = 1
1183	CODE:	1472	CODE:
1184	RETVAL = ix ? major (dev) : minor (dev);	1473	RETVAL = ix ? minor (dev) : major (dev);
1185	OUTPUT:	1474	OUTPUT:
1186	RETVAL	1475	RETVAL
1187		1476
1188	UV	1477	UV
1189	makedev (UV maj, UV min)	1478	makedev (UV maj, UV min)
…		…
1191	RETVAL = makedev (maj, min);	1480	RETVAL = makedev (maj, min);
1192	OUTPUT:	1481	OUTPUT:
1193	RETVAL	1482	RETVAL
1194		1483
1195	void	1484	void
1196	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1485	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1197	PPCODE:	1486	PPCODE:
1198	{	1487	{
1199	dREQ;	1488	dREQ;
1200		1489
1201	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1490	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1202	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1491	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1203	req->sv1 = newSVsv (fh_or_path);	1492	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1204
1205	if (SvPOK (req->sv1))
1206	{
1207	req->type = EIO_UTIME;
1208	req->ptr1 = SvPVbyte_nolen (req->sv1);
1209	}
1210	else
1211	{
1212	req->type = EIO_FUTIME;
1213	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1214	}
1215		1493
1216	REQ_SEND;	1494	REQ_SEND;
1217	}	1495	}
1218		1496
1219	void	1497	void
1220	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1498	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1221	PPCODE:	1499	PPCODE:
1222	{	1500	{
1223	dREQ;	1501	dREQ;
1224		1502
1225	req->sv1 = newSVsv (fh_or_path);
1226	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1503	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1227		1504	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1228	if (SvPOK (req->sv1))
1229	{
1230	req->type = EIO_TRUNCATE;
1231	req->ptr1 = SvPVbyte_nolen (req->sv1);
1232	}
1233	else
1234	{
1235	req->type = EIO_FTRUNCATE;
1236	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1237	}
1238		1505
1239	REQ_SEND;	1506	REQ_SEND;
1240	}	1507	}
1241		1508
1242	void	1509	void
1243	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1510	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1244	ALIAS:
1245	aio_chmod = EIO_CHMOD
1246	aio_mkdir = EIO_MKDIR
1247	PPCODE:	1511	PPCODE:
1248	{	1512	{
1249	dREQ;	1513	dREQ;
1250		1514
1251	req->int2 = mode;	1515	req->int2 = mode;
1252	req->sv1 = newSVsv (fh_or_path);	1516	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1253
1254	if (SvPOK (req->sv1))
1255	{
1256	req->type = ix;
1257	req->ptr1 = SvPVbyte_nolen (req->sv1);
1258	}
1259	else
1260	{
1261	req->type = EIO_FCHMOD;
1262	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1263	}
1264		1517
1265	REQ_SEND;	1518	REQ_SEND;
1266	}	1519	}
1267		1520
1268	void	1521	void
1269	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1522	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1270	PPCODE:	1523	PPCODE:
1271	{	1524	{
1272	dREQ;	1525	dREQ;
1273		1526
1274	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1527	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1275	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1528	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1276	req->sv1 = newSVsv (fh_or_path);	1529	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1277
1278	if (SvPOK (req->sv1))
1279	{
1280	req->type = EIO_CHOWN;
1281	req->ptr1 = SvPVbyte_nolen (req->sv1);
1282	}
1283	else
1284	{
1285	req->type = EIO_FCHOWN;
1286	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1287	}
1288		1530
1289	REQ_SEND;	1531	REQ_SEND;
1290	}	1532	}
1291		1533
1292	void	1534	void
1293	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1535	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1294	PPCODE:	1536	PPCODE:
1295	{	1537	{
1296	dREQ;	1538	dREQ;
1297		1539
1298	req->type = EIO_READDIR;	1540	req->type = EIO_READDIR;
1299	req->sv1 = newSVsv (pathname);
1300	req->ptr1 = SvPVbyte_nolen (req->sv1);
1301	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1541	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1302		1542
1303	if (flags & EIO_READDIR_DENTS)	1543	if (flags & EIO_READDIR_DENTS)
1304	req->int1 |= EIO_READDIR_CUSTOM2;	1544	req->int1 |= EIO_READDIR_CUSTOM2;
1305		1545
		1546	req_set_path1 (req, pathname);
		1547
1306	REQ_SEND;	1548	REQ_SEND;
1307	}	1549	}
1308		1550
1309	void	1551	void
		1552	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1553	PPCODE:
		1554	{
		1555	dREQ;
		1556
		1557	req->type = EIO_MKDIR;
		1558	req->int2 = mode;
		1559	req_set_path1 (req, pathname);
		1560
		1561	REQ_SEND;
		1562	}
		1563
		1564	void
1310	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1565	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1311	ALIAS:	1566	ALIAS:
1312	aio_unlink = EIO_UNLINK	1567	aio_unlink = EIO_UNLINK
1313	aio_rmdir = EIO_RMDIR	1568	aio_rmdir = EIO_RMDIR
1314	aio_readdir = EIO_READDIR	1569	aio_readdir = EIO_READDIR
1315	PPCODE:	1570	PPCODE:
1316	{	1571	{
1317	dREQ;	1572	dREQ;
1318		1573
1319	req->type = ix;	1574	req->type = ix;
1320	req->sv1 = newSVsv (pathname);	1575	req_set_path1 (req, pathname);
1321	req->ptr1 = SvPVbyte_nolen (req->sv1);
1322		1576
1323	REQ_SEND;	1577	REQ_SEND;
1324	}	1578	}
1325		1579
1326	void	1580	void
1327	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1581	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1328	ALIAS:	1582	ALIAS:
1329	aio_link = EIO_LINK	1583	aio_link = EIO_LINK
1330	aio_symlink = EIO_SYMLINK	1584	aio_symlink = EIO_SYMLINK
1331	aio_rename = EIO_RENAME	1585	aio_rename = EIO_RENAME
1332	PPCODE:	1586	PPCODE:
1333	{	1587	{
		1588	eio_wd wd2 = 0;
1334	dREQ;	1589	dREQ;
1335		1590
1336	req->type = ix;	1591	req->type = ix;
1337	req->sv1 = newSVsv (oldpath);	1592	req_set_path1 (req, oldpath);
1338	req->ptr1 = SvPVbyte_nolen (req->sv1);	1593	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1339	req->sv2 = newSVsv (newpath);	1594	req->int3 = (long)wd2;
1340	req->ptr2 = SvPVbyte_nolen (req->sv2);
1341		1595
1342	REQ_SEND;	1596	REQ_SEND;
1343	}	1597	}
1344		1598
1345	void	1599	void
		1600	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1601	PPCODE:
		1602	{
		1603	eio_wd wd2 = 0;
		1604	dREQ;
		1605
		1606	req->type = EIO_RENAME;
		1607	req_set_path1 (req, oldpath);
		1608	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1609	req->int2 = flags;
		1610	req->int3 = (long)wd2;
		1611
		1612	REQ_SEND;
		1613	}
		1614
		1615	void
1346	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1616	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1347	PPCODE:	1617	PPCODE:
1348	{	1618	{
1349	dREQ;	1619	dREQ;
1350		1620
1351	req->type = EIO_MKNOD;	1621	req->type = EIO_MKNOD;
1352	req->sv1 = newSVsv (pathname);
1353	req->ptr1 = SvPVbyte_nolen (req->sv1);
1354	req->int2 = (mode_t)mode;	1622	req->int2 = (mode_t)mode;
1355	req->offs = dev;	1623	req->offs = dev;
		1624	req_set_path1 (req, pathname);
1356		1625
1357	REQ_SEND;	1626	REQ_SEND;
1358	}	1627	}
1359		1628
1360	void	1629	void
1361	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1630	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1362	ALIAS:	1631	ALIAS:
1363	aio_mtouch = EIO_MTOUCH	1632	aio_mtouch = EIO_MTOUCH
1364	aio_msync = EIO_MSYNC	1633	aio_msync = EIO_MSYNC
1365	PPCODE:	1634	PPCODE:
1366	{	1635	{
1367	STRLEN svlen;	1636	STRLEN svlen;
1368	char *svptr = SvPVbyte (data, svlen);	1637	char *svptr = SvPVbyte (data, svlen);
1369	UV len = SvUV (length);	1638	UV len = SvUV (length);
		1639
		1640	if (flags < 0)
		1641	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1370		1642
1371	if (offset < 0)	1643	if (offset < 0)
1372	offset += svlen;	1644	offset += svlen;
1373		1645
1374	if (offset < 0 || offset > svlen)	1646	if (offset < 0 || offset > svlen)
…		…
1389	REQ_SEND;	1661	REQ_SEND;
1390	}	1662	}
1391	}	1663	}
1392		1664
1393	void	1665	void
1394	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1666	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1395	PPCODE:	1667	PPCODE:
1396	{	1668	{
1397	STRLEN svlen;	1669	STRLEN svlen;
1398	char *svptr = SvPVbyte (data, svlen);	1670	char *svptr = SvPVbyte (data, svlen);
1399	UV len = SvUV (length);	1671	UV len = SvUV (length);
…		…
1418	REQ_SEND;	1690	REQ_SEND;
1419	}	1691	}
1420	}	1692	}
1421		1693
1422	void	1694	void
1423	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1695	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1424	PPCODE:	1696	PPCODE:
1425	{	1697	{
1426	dREQ;	1698	dREQ;
1427		1699
1428	req->type = EIO_MLOCKALL;	1700	req->type = EIO_MLOCKALL;
…		…
1430		1702
1431	REQ_SEND;	1703	REQ_SEND;
1432	}	1704	}
1433		1705
1434	void	1706	void
		1707	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1708	PPCODE:
		1709	{
		1710	int fd = s_fileno_croak (fh, 0);
		1711	dREQ;
		1712
		1713	req->type = EIO_CUSTOM;
		1714	req->sv1 = newSVsv (fh);
		1715	req->int1 = fd;
		1716
		1717	req->feed = fiemap;
		1718	#if HAVE_FIEMAP
		1719	/* keep our fingers crossed that the next two types are 64 bit */
		1720	req->offs = start;
		1721	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1722	req->int2 = flags;
		1723	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1724	#endif
		1725
		1726	REQ_SEND;
		1727	}
		1728
		1729	void
1435	aio_busy (double delay, SV *callback=&PL_sv_undef)	1730	aio_busy (double delay, SV *callback = &PL_sv_undef)
1436	PPCODE:	1731	PPCODE:
1437	{	1732	{
1438	dREQ;	1733	dREQ;
1439		1734
1440	req->type = EIO_BUSY;	1735	req->type = EIO_BUSY;
…		…
1442		1737
1443	REQ_SEND;	1738	REQ_SEND;
1444	}	1739	}
1445		1740
1446	void	1741	void
1447	aio_group (SV *callback=&PL_sv_undef)	1742	aio_group (SV *callback = &PL_sv_undef)
1448	PPCODE:	1743	PPCODE:
1449	{	1744	{
1450	dREQ;	1745	dREQ;
1451		1746
1452	req->type = EIO_GROUP;	1747	req->type = EIO_GROUP;
1453		1748
		1749	PUTBACK;
1454	req_submit (req);	1750	req_submit (req);
		1751	SPAGAIN;
		1752
1455	XPUSHs (req_sv (req, aio_grp_stash));	1753	XPUSHs (req_sv (req, aio_grp_stash));
1456	}	1754	}
1457		1755
1458	void	1756	void
1459	aio_nop (SV *callback=&PL_sv_undef)	1757	aio_nop (SV *callback = &PL_sv_undef)
1460	ALIAS:	1758	ALIAS:
1461	aio_nop = EIO_NOP	1759	aio_nop = EIO_NOP
1462	aio_sync = EIO_SYNC	1760	aio_sync = EIO_SYNC
1463	PPCODE:	1761	PPCODE:
1464	{	1762	{
…		…
1468		1766
1469	REQ_SEND;	1767	REQ_SEND;
1470	}	1768	}
1471		1769
1472	int	1770	int
1473	aioreq_pri (int pri = 0)	1771	aioreq_pri (int pri = NO_INIT)
1474	CODE:	1772	CODE:
1475	RETVAL = next_pri;	1773	RETVAL = next_pri;
1476	if (items > 0)	1774	if (items > 0)
1477	{	1775	{
1478	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1776	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1560	CODE:	1858	CODE:
1561	RETVAL = posix_fadvise (fh, offset, length, advice);	1859	RETVAL = posix_fadvise (fh, offset, length, advice);
1562	OUTPUT:	1860	OUTPUT:
1563	RETVAL	1861	RETVAL
1564		1862
1565	ssize_t	1863	IV
1566	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1864	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1567	CODE:	1865	CODE:
1568	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1866	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1569	OUTPUT:	1867	OUTPUT:
1570	RETVAL	1868	RETVAL
1571		1869
1572	void	1870	void
1573	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1871	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1574	PPCODE:	1872	PPCODE:
1575	sv_unmagic (scalar, MMAP_MAGIC);	1873	sv_unmagic (scalar, MMAP_MAGIC);
1576	{	1874	{
1577	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1875	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1578	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1876	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1605	munmap (SV *scalar)	1903	munmap (SV *scalar)
1606	CODE:	1904	CODE:
1607	sv_unmagic (scalar, MMAP_MAGIC);	1905	sv_unmagic (scalar, MMAP_MAGIC);
1608		1906
1609	int	1907	int
1610	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1908	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1611	ALIAS:	1909	ALIAS:
1612	mprotect = 1	1910	mprotect = 1
1613	CODE:	1911	CODE:
1614	{	1912	{
1615	STRLEN svlen;	1913	STRLEN svlen;
1616	void *addr = SvPVbyte (scalar, svlen);	1914	void *addr = SvPVbyte (scalar, svlen);
1617	size_t len = SvUV (length);	1915	STRLEN len = SvUV (length);
1618		1916
1619	if (offset < 0)	1917	if (offset < 0)
1620	offset += svlen;	1918	offset += svlen;
1621		1919
1622	if (offset < 0 || offset > svlen)	1920	if (offset < 0 || offset > svlen)
…		…
1636	}	1934	}
1637	OUTPUT:	1935	OUTPUT:
1638	RETVAL	1936	RETVAL
1639		1937
1640	int	1938	int
1641	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1939	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1642	CODE:	1940	CODE:
1643	{	1941	{
1644	STRLEN svlen;	1942	STRLEN svlen;
1645	void *addr = SvPVbyte (scalar, svlen);	1943	void *addr = SvPVbyte (scalar, svlen);
1646	size_t len = SvUV (length);	1944	size_t len = SvUV (length);
1647		1945
1648	if (offset < 0)	1946	if (offset < 0)
1649	offset += svlen;	1947	offset += svlen;
1650		1948
…		…
1657	addr = (void *)(((intptr_t)addr) + offset);	1955	addr = (void *)(((intptr_t)addr) + offset);
1658	eio_page_align (&addr, &len);	1956	eio_page_align (&addr, &len);
1659	#if _POSIX_MEMLOCK_RANGE	1957	#if _POSIX_MEMLOCK_RANGE
1660	RETVAL = munlock (addr, len);	1958	RETVAL = munlock (addr, len);
1661	#else	1959	#else
1662	RETVAL = ((errno = ENOSYS), -1);	1960	RETVAL = EIO_ENOSYS ();
1663	#endif	1961	#endif
1664	}	1962	}
1665	OUTPUT:	1963	OUTPUT:
1666	RETVAL	1964	RETVAL
1667		1965
…		…
1669	munlockall ()	1967	munlockall ()
1670	CODE:	1968	CODE:
1671	#if _POSIX_MEMLOCK	1969	#if _POSIX_MEMLOCK
1672	munlockall ();	1970	munlockall ();
1673	#else	1971	#else
1674	RETVAL = -1;	1972	RETVAL = EIO_ENOSYS ();
1675	errno = ENOSYS;
1676	#endif	1973	#endif
1677	OUTPUT:	1974	OUTPUT:
1678	RETVAL	1975	RETVAL
		1976
		1977	int
		1978	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1979	CODE:
		1980	{
		1981	#if HAVE_LINUX_SPLICE
		1982	loff_t off_in_, off_out_;
		1983	RETVAL = splice (
		1984	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1985	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1986	length, flags
		1987	);
		1988	#else
		1989	RETVAL = EIO_ENOSYS ();
		1990	#endif
		1991	}
		1992	OUTPUT:
		1993	RETVAL
		1994
		1995	int
		1996	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1997	CODE:
		1998	#if HAVE_LINUX_SPLICE
		1999	RETVAL = tee (rfh, wfh, length, flags);
		2000	#else
		2001	RETVAL = EIO_ENOSYS ();
		2002	#endif
		2003	OUTPUT:
		2004	RETVAL
		2005
		2006	int
		2007	pipesize (aio_rfd rfh, int new_size = -1)
		2008	PROTOTYPE: $;$
		2009	CODE:
		2010	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2011	if (new_size >= 0)
		2012	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2013	else
		2014	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2015	#else
		2016	errno = ENOSYS;
		2017	RETVAL = -1;
		2018	#endif
		2019	OUTPUT:
		2020	RETVAL
		2021
		2022	void
		2023	pipe2 (int flags = 0)
		2024	PROTOTYPE: ;$
		2025	PPCODE:
		2026	{
		2027	int fd[2];
		2028	int res;
		2029
		2030	if (flags)
		2031	#if HAVE_PIPE2
		2032	res = pipe2 (fd, flags);
		2033	#else
		2034	res = (errno = ENOSYS, -1);
		2035	#endif
		2036	else
		2037	res = pipe (fd);
		2038
		2039	if (!res)
		2040	{
		2041	EXTEND (SP, 2);
		2042	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2043	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2044	}
		2045	}
1679		2046
1680	void _on_next_submit (SV *cb)	2047	void _on_next_submit (SV *cb)
1681	CODE:	2048	CODE:
1682	SvREFCNT_dec (on_next_submit);	2049	SvREFCNT_dec (on_next_submit);
1683	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2050	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1684		2051
1685	PROTOTYPES: DISABLE	2052	PROTOTYPES: DISABLE
1686		2053
		2054	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2055
		2056	BOOT:
		2057	{
		2058	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2059	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2060	}
		2061
		2062	void
		2063	DESTROY (SV *self)
		2064	CODE:
		2065	{
		2066	aio_wd wd = SvAIO_WD (self);
		2067	#if HAVE_AT
		2068	{
		2069	SV *callback = &PL_sv_undef;
		2070	dREQ; /* clobbers next_pri :/ */
		2071	next_pri = req->pri; /* restore next_pri */
		2072	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2073	req->type = EIO_WD_CLOSE;
		2074	req->wd = wd;
		2075	REQ_SEND;
		2076	}
		2077	#else
		2078	eio_wd_close_sync (wd);
		2079	#endif
		2080	}
		2081
1687	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2082	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1688		2083
1689	void	2084	void
1690	cancel (aio_req_ornot req)	2085	cancel (aio_req_ornot req)
1691	CODE:	2086	CODE:
1692	eio_cancel (req);	2087	eio_cancel (req);
1693		2088
1694	void	2089	void
1695	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2090	cb (aio_req_ornot req, SV *callback = NO_INIT)
1696	PPCODE:	2091	PPCODE:
1697	{	2092	{
1698	if (GIMME_V != G_VOID)	2093	if (GIMME_V != G_VOID)
1699	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2094	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1700		2095
1701	if (items > 1)	2096	if (items > 1)
1702	{	2097	{
1703	SV *cb_cv =get_cb (callback);	2098	SV *cb_cv = get_cb (callback);
1704		2099
1705	SvREFCNT_dec (req->callback);	2100	SvREFCNT_dec (req->callback);
1706	req->callback = SvREFCNT_inc (cb_cv);	2101	req->callback = SvREFCNT_inc (cb_cv);
1707	}	2102	}
1708	}	2103	}
…		…
1765	limit (aio_req grp, int limit)	2160	limit (aio_req grp, int limit)
1766	CODE:	2161	CODE:
1767	eio_grp_limit (grp, limit);	2162	eio_grp_limit (grp, limit);
1768		2163
1769	void	2164	void
1770	feed (aio_req grp, SV *callback=&PL_sv_undef)	2165	feed (aio_req grp, SV *callback = &PL_sv_undef)
1771	CODE:	2166	CODE:
1772	{	2167	{
1773	SvREFCNT_dec (grp->sv2);	2168	SvREFCNT_dec (grp->sv2);
1774	grp->sv2 = newSVsv (callback);	2169	grp->sv2 = newSVsv (callback);
1775	grp->feed = aio_grp_feed;	2170	grp->feed = aio_grp_feed;

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