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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC vs.
Revision 1.249 by root, Fri Jun 23 23:50:25 2017 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		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
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
27	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	44	#undef opendir
31	#undef closedir	45	#undef closedir
32		46
33	#ifdef _WIN32	47	#ifdef _WIN32
34		48
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions	49	// perl overrides all those nice libc functions
		50
		51	#undef malloc
		52	#undef free
40	# undef open	53	#undef open
41	# undef read	54	#undef read
42	# undef write	55	#undef write
43	# undef send	56	#undef send
44	# undef recv	57	#undef recv
		58	#undef stat
45	# undef lstat	59	#undef lstat
		60	#undef fstat
46	# undef truncate	61	#undef truncate
47	# undef ftruncate	62	#undef ftruncate
48	# undef open	63	#undef open
49	# undef link	64	#undef link
50	# undef close	65	#undef close
51	# undef unlink	66	#undef unlink
52	# undef mkdir	67	#undef mkdir
53	# undef rmdir	68	#undef rmdir
54	# undef rename	69	#undef rename
55	# undef lseek	70	#undef lseek
56	# undef opendir	71	#undef opendir
57	# undef readdir	72	#undef readdir
58	# undef closedir	73	#undef closedir
59	# undef chmod	74	#undef chmod
60	# undef fchmod	75	#undef fchmod
		76	#undef dup
		77	#undef dup2
		78	#undef abort
		79	#undef pipe
61		80
62	# define opendir(fd) EIO_ERRNO (ENOSYS, 0)	81	#define EIO_STRUCT_STAT struct _stati64
63	# define readdir(fd) EIO_ENOSYS ()	82	#define EIO_STRUCT_STATI64
64	# define closedir(fd) EIO_ENOSYS ()
65		83
66	#else	84	#else
67		85
68	# include <sys/time.h>	86	#include <sys/time.h>
69	# include <sys/select.h>	87	#include <sys/select.h>
70	# include <unistd.h>	88	#include <unistd.h>
71	# include <utime.h>	89	#include <utime.h>
72	# include <signal.h>	90	#include <signal.h>
73		91
74	#endif
75
76	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
77		93
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define VAL64 IV
81	# define SvVAL64 SvIV
82	# define newSVval64 newSViv
83	#else
84	# define VAL64 NV
85	# define SvVAL64 SvNV
86	# define newSVval64 newSVnv
87	#endif	94	#endif
88		95
89	/*****************************************************************************/	96	/*****************************************************************************/
90		97
91	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
101		108
102	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
103	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
104	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
105		112
106	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
107		114
108	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
109	SV *callback; \	116	SV *callback; \
110	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
111	STRLEN stroffset; \	119	STRLEN stroffset; \
112	SV *self;	120	SV *self;
113		121
114	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
115		123
116	#include "libeio/config.h"	124	#include "libeio/config.h"
117	#include "libeio/eio.h"	125	#include "libeio/eio.h"
118		126
119	/* Linux/others */	127	static int req_invoke (eio_req *req);
120	#ifndef O_ASYNC	128	#define EIO_FINISH(req) req_invoke (req)
121	# define O_ASYNC 0	129	static void req_destroy (eio_req *grp);
122	#endif	130	#define EIO_DESTROY(req) req_destroy (req)
123	#ifndef O_DIRECT
124	# define O_DIRECT 0
125	#endif
126	#ifndef O_NOATIME
127	# define O_NOATIME 0
128	#endif
129		131
130	/* POSIX */	132	#include "libeio/eio.c"
131	#ifndef O_CLOEXEC
132	# define O_CLOEXEC 0
133	#endif
134	#ifndef O_NOFOLLOW
135	# define O_NOFOLLOW 0
136	#endif
137	#ifndef O_NOCTTY
138	# define O_NOCTTY 0
139	#endif
140	#ifndef O_NONBLOCK
141	# define O_NONBLOCK 0
142	#endif
143	#ifndef O_EXEC
144	# define O_EXEC 0
145	#endif
146	#ifndef O_SEARCH
147	# define O_SEARCH 0
148	#endif
149	#ifndef O_DIRECTORY
150	# define O_DIRECTORY 0
151	#endif
152	#ifndef O_DSYNC
153	# define O_DSYNC 0
154	#endif
155	#ifndef O_RSYNC
156	# define O_RSYNC 0
157	#endif
158	#ifndef O_SYNC
159	# define O_SYNC 0
160	#endif
161	#ifndef O_TTY_INIT
162	# define O_TTY_INIT 0
163	#endif
164
165	#ifndef POSIX_FADV_NORMAL
166	# define POSIX_FADV_NORMAL 0
167	#endif
168	#ifndef POSIX_FADV_SEQUENTIAL
169	# define POSIX_FADV_SEQUENTIAL 0
170	#endif
171	#ifndef POSIX_FADV_RANDOM
172	# define POSIX_FADV_RANDOM 0
173	#endif
174	#ifndef POSIX_FADV_NOREUSE
175	# define POSIX_FADV_NOREUSE 0
176	#endif
177	#ifndef POSIX_FADV_WILLNEED
178	# define POSIX_FADV_WILLNEED 0
179	#endif
180	#ifndef POSIX_FADV_DONTNEED
181	# define POSIX_FADV_DONTNEED 0
182	#endif
183		133
184	#if !HAVE_POSIX_FADVISE	134	#if !HAVE_POSIX_FADVISE
185	# 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 */
186	#endif	136	#endif
187		137
188	#ifndef POSIX_MADV_NORMAL
189	# define POSIX_MADV_NORMAL 0
190	#endif
191	#ifndef POSIX_MADV_SEQUENTIAL
192	# define POSIX_MADV_SEQUENTIAL 0
193	#endif
194	#ifndef POSIX_MADV_RANDOM
195	# define POSIX_MADV_RANDOM 0
196	#endif
197	#ifndef POSIX_MADV_WILLNEED
198	# define POSIX_MADV_WILLNEED 0
199	#endif
200	#ifndef POSIX_MADV_DONTNEED
201	# define POSIX_MADV_DONTNEED 0
202	#endif
203
204	#if !HAVE_POSIX_MADVISE	138	#if !HAVE_POSIX_MADVISE
205	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206	#endif
207
208	#ifndef PROT_NONE
209	# define PROT_NONE 0
210	#endif
211	#ifndef PROT_READ
212	# define PROT_READ 0
213	#endif
214	#ifndef PROT_WRITE
215	# define PROT_READ 0
216	#endif
217	#ifndef PROT_EXEC
218	# define PROT_EXEC 0
219	#endif
220
221	#ifndef ST_RDONLY
222	# define ST_RDONLY 0
223	#endif
224	#ifndef ST_NOSUID
225	# define ST_NOSUID 0
226	#endif
227	#ifndef ST_NODEV
228	# define ST_NODEV 0
229	#endif
230	#ifndef ST_NOEXEC
231	# define ST_NOEXEC 0
232	#endif
233	#ifndef ST_SYNCHRONOUS
234	# define ST_SYNCHRONOUS 0
235	#endif
236	#ifndef ST_MANDLOCK
237	# define ST_MANDLOCK 0
238	#endif
239	#ifndef ST_WRITE
240	# define ST_WRITE 0
241	#endif
242	#ifndef ST_APPEND
243	# define ST_APPEND 0
244	#endif
245	#ifndef ST_IMMUTABLE
246	# define ST_IMMUTABLE 0
247	#endif
248	#ifndef ST_NOATIME
249	# define ST_NOATIME 0
250	#endif
251	#ifndef ST_NODIRATIME
252	# define ST_NODIRATIME 0
253	#endif
254	#ifndef ST_RELATIME
255	# define ST_RELATIME 0
256	#endif
257
258	#ifndef S_IFIFO
259	# define S_IFIFO 0
260	#endif
261	#ifndef S_IFCHR
262	# define S_IFCHR 0
263	#endif
264	#ifndef S_IFBLK
265	# define S_IFBLK 0
266	#endif
267	#ifndef S_IFLNK
268	# define S_IFLNK 0
269	#endif
270	#ifndef S_IFREG
271	# define S_IFREG 0
272	#endif
273	#ifndef S_IFDIR
274	# define S_IFDIR 0
275	#endif
276	#ifndef S_IFWHT
277	# define S_IFWHT 0
278	#endif
279	#ifndef S_IFSOCK
280	# define S_IFSOCK 0
281	#endif	140	#endif
282		141
283	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
284	# ifdef MAP_ANON	143	# ifdef MAP_ANON
285	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
286	# else	145	# else
287	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288	# endif	147	# endif
289	#endif	148	#endif
290	#ifndef MAP_HUGETLB	149
291	# define MAP_HUGETLB 0	150	/* defines all sorts of constants to 0 unless they are already defined */
292	#endif	151	/* also provides const_iv_ and const_niv_ macros for them */
293	#ifndef MAP_LOCKED	152	#include "def0.h"
294	# define MAP_LOCKED 0
295	#endif
296	#ifndef MAP_NORESERVE
297	# define MAP_NORESERVE 0
298	#endif
299	#ifndef MAP_POPULATE
300	# define MAP_POPULATE 0
301	#endif
302	#ifndef MAP_NONBLOCK
303	# define MAP_NONBLOCK 0
304	#endif
305		153
306	#ifndef makedev	154	#ifndef makedev
307	# define makedev(maj,min) (((maj) << 8) | (min))	155	# define makedev(maj,min) (((maj) << 8) | (min))
308	#endif	156	#endif
309	#ifndef major	157	#ifndef major
…		…
311	#endif	159	#endif
312	#ifndef minor	160	#ifndef minor
313	# define minor(dev) ((dev) & 0xff)	161	# define minor(dev) ((dev) & 0xff)
314	#endif	162	#endif
315		163
316	#ifndef PAGESIZE	164	#if PAGESIZE <= 0
317	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
318	#endif	166	#endif
319		167
320	static int req_invoke (eio_req *req);	168	/*****************************************************************************/
321	#define EIO_FINISH(req) req_invoke (req)	169
322	static void req_destroy (eio_req *grp);	170	static void
323	#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	/*****************************************************************************/
324		267
325	enum {	268	enum {
326	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
327	};	270	};
328		271
329	#include "libeio/eio.c"
330
331	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
332	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
333		275
334	static SV *on_next_submit;	276	static SV *on_next_submit;
335	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
336	static int max_outstanding;	278	static int max_outstanding;
337		279
338	static s_epipe respipe;	280	static s_epipe respipe;
339		281
340	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
341	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
342		284
343	static void want_poll (void)	285	static void
		286	want_poll (void)
344	{	287	{
345	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
346	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
347	}	290	}
348		291
349	static void done_poll (void)	292	static void
		293	done_poll (void)
350	{	294	{
351	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
352	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
353	}	297	}
354		298
355	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
356	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
357	{	302	{
358	if (!req->self)	303	if (!req->self)
359	{	304	{
360	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
361	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
362	}	307	}
363		308
364	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
365	}	310	}
366		311
367	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)
368	{	320	{
369	MAGIC *mg;	321	MAGIC *mg;
370		322
371	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
372	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
373	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
374	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
375	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
376		329
377	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
378		331
379	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
380	}	333	}
381		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
382	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
383	{	373	{
384	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
385	{	375	{
386	dSP;	376	dSP;
387		377
…		…
395	FREETMPS;	385	FREETMPS;
396	LEAVE;	386	LEAVE;
397	}	387	}
398	}	388	}
399		389
		390	static void
400	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
401	{	392	{
402	eio_submit (req);	393	eio_submit (req);
403		394
404	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
405	{	396	{
…		…
412	PUTBACK;	403	PUTBACK;
413	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
414	}	405	}
415	}	406	}
416		407
		408	static int
417	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
418	{	410	{
419	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
420	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
421		413
422	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
443	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
444	}	436	}
445		437
446	switch (req->type)	438	switch (req->type)
447	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
448	case EIO_READDIR:	444	case EIO_READDIR:
449	{	445	{
450	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
451		447
452	if (req->result >= 0)	448	if (req->result >= 0)
…		…
505	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))));
506	}	502	}
507	break;	503	break;
508		504
509	case EIO_OPEN:	505	case EIO_OPEN:
510	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
511	/* convert fd to fh */
512	SV *fh = &PL_sv_undef;
513
514	if (req->result >= 0)
515	{
516	GV *gv = (GV *)sv_newmortal ();
517	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
518	char sym [64];
519	int symlen;
520
521	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
522	gv_init (gv, aio_stash, sym, symlen, 0);
523
524	symlen = snprintf (
525	sym,
526	sizeof (sym),
527	"%s&=%d",
528	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
529	(int)req->result
530	);
531
532	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
533	fh = (SV *)gv;
534	}
535
536	PUSHs (fh);
537	}
538	break;	507	break;
539		508
540	case EIO_STATVFS:	509	case EIO_STATVFS:
541	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
542	{	511	{
…		…
545	#ifndef _WIN32	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	}
565	#endif	539	#endif
566		540
…		…
594	break;	568	break;
595		569
596	case EIO_STAT:	570	case EIO_STAT:
597	case EIO_LSTAT:	571	case EIO_LSTAT:
598	case EIO_FSTAT:	572	case EIO_FSTAT:
599	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
600	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
601	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
602	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)));
603	break;	584	break;
604		585
605	case EIO_READ:	586	case EIO_READ:
606	{	587	{
607	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));
…		…
610	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
611	PUSHs (sv_result);	592	PUSHs (sv_result);
612	}	593	}
613	break;	594	break;
614		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
615	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 */
616	if (req->result > 0)	637	if (req->result > 0)
617	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
618	/* FALLTHROUGH */	639	/* FALLTHROUGH */
619		640
…		…
640	}	661	}
641		662
642	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
643	}	664	}
644		665
		666	static void
645	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
646	{	668	{
647	if (req->self)	669	if (req->self)
648	{	670	{
649	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
650	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
651	}	673	}
652		674
653	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
654	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
655	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
656		680
657	Safefree (req);	681	free (req);
658	}	682	}
659		683
		684	static void
660	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
661	{	686	{
662	aio_req sub;
663
664	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
665	return;	688	return;
666		689
667	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	691	grp->sv2 = 0;
669		692
670	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
671	}	694	}
672		695
		696	static void ecb_cold
673	static void create_respipe (void)	697	create_respipe (void)
674	{	698	{
675	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
677	}	701	}
678		702
679	static void poll_wait (void)	703	static void
		704	poll_wait (void)
680	{	705	{
681	while (eio_nreqs ())	706	while (eio_nreqs ())
682	{	707	{
683	int size;	708	int size;
684		709
685	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
686	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
687	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
688		713
689	if (size)	714	if (size)
690	return;	715	return;
691		716
692	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
693		718
694	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
695	}	720	}
696	}	721	}
697		722
698	static int poll_cb (void)	723	static int
		724	poll_cb (void)
699	{	725	{
700	for (;;)	726	for (;;)
701	{	727	{
702	int res = eio_poll ();	728	int res = eio_poll ();
703		729
…		…
709		735
710	poll_wait ();	736	poll_wait ();
711	}	737	}
712	}	738	}
713		739
714	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
715	{	742	{
716	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
717	}	747	}
718		748
719	/*****************************************************************************/	749	/*****************************************************************************/
720		750
721	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
722	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
723	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
724	#endif	754	#endif
725		755
726	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
727	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
728	# define PROT_NONE 0
729	# define PROT_WRITE 0
730	# define MAP_PRIVATE 0
731	# define MAP_SHARED 0
732	# define MAP_FIXED 0
733	#endif	758	#endif
734		759
735	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
736		761
		762	static int ecb_cold
737	static int 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;
742		768
…		…
758	0, 0, 0, 0, mmap_free	784	0, 0, 0, 0, mmap_free
759	};	785	};
760		786
761	/*****************************************************************************/	787	/*****************************************************************************/
762		788
		789	static SV *
763	static SV * get_cb (SV *cb_sv)	790	get_cb (SV *cb_sv)
764	{	791	{
765	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
766	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
767	}	794	}
768		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
769	#define dREQ \	816	#define dREQ \
770	SV *cb_cv; \	817	aio_req req = dreq (callback); \
771	aio_req req; \
772	int req_pri = next_pri; \
773	next_pri = EIO_PRI_DEFAULT; \
774	\
775	cb_cv = get_cb (callback); \
776	\
777	Newz (0, req, 1, eio_req); \
778	if (!req) \
779	croak ("out of memory during eio_req allocation"); \
780	\
781	req->callback = SvREFCNT_inc (cb_cv); \
782	req->pri = req_pri
783		818
784	#define REQ_SEND \	819	#define REQ_SEND \
785	PUTBACK; \	820	PUTBACK; \
786	req_submit (req); \	821	req_submit (req); \
787	SPAGAIN; \	822	SPAGAIN; \
788	\	823	\
789	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
790	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
791		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
792	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
793		894
794	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
795		896
796	BOOT:	897	BOOT:
…		…
800	IV iv;	901	IV iv;
801	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
802	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
803	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
804	# 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)
805	const_iv (EXDEV)	910	const_iv (EXDEV)
806	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 */
807	const_iv (O_RDONLY)	931	const_iv (O_RDONLY)
808	const_iv (O_WRONLY)	932	const_iv (O_WRONLY)
809	const_iv (O_RDWR)	933	const_iv (O_RDWR)
810	const_iv (O_CREAT)	934	const_iv (O_CREAT)
811	const_iv (O_TRUNC)	935	const_iv (O_TRUNC)
…		…
824	const_iv (O_SEARCH)	948	const_iv (O_SEARCH)
825	const_iv (O_DIRECTORY)	949	const_iv (O_DIRECTORY)
826	const_iv (O_DSYNC)	950	const_iv (O_DSYNC)
827	const_iv (O_RSYNC)	951	const_iv (O_RSYNC)
828	const_iv (O_SYNC)	952	const_iv (O_SYNC)
		953	const_iv (O_PATH)
		954	const_iv (O_TMPFILE)
829	const_iv (O_TTY_INIT)	955	const_iv (O_TTY_INIT)
830		956
831	const_iv (S_IFIFO)	957	const_iv (S_IFIFO)
832	const_iv (S_IFCHR)	958	const_iv (S_IFCHR)
833	const_iv (S_IFBLK)	959	const_iv (S_IFBLK)
…		…
835	const_iv (S_IFREG)	961	const_iv (S_IFREG)
836	const_iv (S_IFDIR)	962	const_iv (S_IFDIR)
837	const_iv (S_IFWHT)	963	const_iv (S_IFWHT)
838	const_iv (S_IFSOCK)	964	const_iv (S_IFSOCK)
839	const_iv (S_IFMT)	965	const_iv (S_IFMT)
840
841	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
842	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
843	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
844	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
845	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
846	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
847
848	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
849	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
850	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
851	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
852	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
853		966
854	const_iv (ST_RDONLY)	967	const_iv (ST_RDONLY)
855	const_iv (ST_NOSUID)	968	const_iv (ST_NOSUID)
856	const_iv (ST_NODEV)	969	const_iv (ST_NODEV)
857	const_iv (ST_NOEXEC)	970	const_iv (ST_NOEXEC)
…		…
867	const_iv (PROT_NONE)	980	const_iv (PROT_NONE)
868	const_iv (PROT_EXEC)	981	const_iv (PROT_EXEC)
869	const_iv (PROT_READ)	982	const_iv (PROT_READ)
870	const_iv (PROT_WRITE)	983	const_iv (PROT_WRITE)
871		984
872	/*const_iv (MAP_FIXED)*/
873	const_iv (MAP_PRIVATE)	985	const_iv (MAP_PRIVATE)
874	const_iv (MAP_SHARED)	986	const_iv (MAP_SHARED)
		987	const_iv (MAP_FIXED)
875	const_iv (MAP_ANONYMOUS)	988	const_iv (MAP_ANONYMOUS)
876		989
877	/* linuxish */	990	/* linuxish */
878	const_iv (MAP_HUGETLB)
879	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
880	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
881	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
882	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)
883		1087
884	const_eio (MCL_FUTURE)	1088	const_eio (MCL_FUTURE)
885	const_eio (MCL_CURRENT)	1089	const_eio (MCL_CURRENT)
886		1090
887	const_eio (MS_ASYNC)	1091	const_eio (MS_ASYNC)
…		…
893	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1097	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
894	const_eio (SYNC_FILE_RANGE_WRITE)	1098	const_eio (SYNC_FILE_RANGE_WRITE)
895	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1099	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896		1100
897	const_eio (FALLOC_FL_KEEP_SIZE)	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	const_eio (FALLOC_FL_INSERT_RANGE)
		1106	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1107
		1108	const_eio (RENAME_NOREPLACE)
		1109	const_eio (RENAME_EXCHANGE)
		1110	const_eio (RENAME_WHITEOUT)
898		1111
899	const_eio (READDIR_DENTS)	1112	const_eio (READDIR_DENTS)
900	const_eio (READDIR_DIRS_FIRST)	1113	const_eio (READDIR_DIRS_FIRST)
901	const_eio (READDIR_STAT_ORDER)	1114	const_eio (READDIR_STAT_ORDER)
902	const_eio (READDIR_FOUND_UNKNOWN)	1115	const_eio (READDIR_FOUND_UNKNOWN)
…		…
913	};	1126	};
914		1127
915	aio_stash = gv_stashpv ("IO::AIO" , 1);	1128	aio_stash = gv_stashpv ("IO::AIO" , 1);
916	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1129	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1130	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1131	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918		1132
919	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1133	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1134	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921		1135
922	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1136	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923		1137
924	create_respipe ();	1138	reinit ();
925
926	if (eio_init (want_poll, done_poll) < 0)
927	croak ("IO::AIO: unable to initialise eio library");
928
929	/* atfork child called in fifo order, so before eio's handler */
930	X_THREAD_ATFORK (0, 0, atfork_child);
931	}	1139	}
		1140
		1141	void
		1142	reinit ()
		1143	PROTOTYPE:
932		1144
933	void	1145	void
934	max_poll_reqs (unsigned int nreqs)	1146	max_poll_reqs (unsigned int nreqs)
935	PROTOTYPE: $	1147	PROTOTYPE: $
936	CODE:	1148	CODE:
…		…
971	PROTOTYPE: $	1183	PROTOTYPE: $
972	CODE:	1184	CODE:
973	max_outstanding = maxreqs;	1185	max_outstanding = maxreqs;
974		1186
975	void	1187	void
976	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1188	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
977	PPCODE:	1189	PPCODE:
978	{	1190	{
979	dREQ;	1191	dREQ;
980		1192
		1193	req->type = EIO_WD_OPEN;
		1194	req_set_path1 (req, pathname);
		1195
		1196	REQ_SEND;
		1197	}
		1198
		1199	void
		1200	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1201	PPCODE:
		1202	{
		1203	dREQ;
		1204
981	req->type = EIO_OPEN;	1205	req->type = EIO_OPEN;
982	req->sv1 = newSVsv (pathname);	1206	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984	req->int1 = flags;	1207	req->int1 = flags;
985	req->int2 = mode;	1208	req->int2 = mode;
986		1209
987	REQ_SEND;	1210	REQ_SEND;
988	}	1211	}
989		1212
990	void	1213	void
991	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1214	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
992	ALIAS:	1215	ALIAS:
993	aio_fsync = EIO_FSYNC	1216	aio_fsync = EIO_FSYNC
994	aio_fdatasync = EIO_FDATASYNC	1217	aio_fdatasync = EIO_FDATASYNC
		1218	aio_syncfs = EIO_SYNCFS
995	PPCODE:	1219	PPCODE:
996	{	1220	{
997	int fd = s_fileno_croak (fh, 0);	1221	int fd = s_fileno_croak (fh, 0);
998	dREQ;	1222	dREQ;
999		1223
1000	req->type = ix;	1224	req->type = ix;
1001	req->sv1 = newSVsv (fh);	1225	req->sv1 = newSVsv (fh);
1002	req->int1 = fd;	1226	req->int1 = fd;
1003		1227
1004	REQ_SEND (req);	1228	REQ_SEND;
1005	}	1229	}
1006		1230
1007	void	1231	void
1008	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1232	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1009	PPCODE:	1233	PPCODE:
1010	{	1234	{
1011	int fd = s_fileno_croak (fh, 0);	1235	int fd = s_fileno_croak (fh, 0);
1012	dREQ;	1236	dREQ;
1013		1237
1014	req->type = EIO_SYNC_FILE_RANGE;	1238	req->type = EIO_SYNC_FILE_RANGE;
1015	req->sv1 = newSVsv (fh);	1239	req->sv1 = newSVsv (fh);
1016	req->int1 = fd;	1240	req->int1 = fd;
1017	req->offs = offset;	1241	req->offs = offset;
1018	req->size = nbytes;	1242	req->size = nbytes;
1019	req->int2 = flags;	1243	req->int2 = flags;
1020		1244
1021	REQ_SEND (req);	1245	REQ_SEND;
1022	}	1246	}
1023		1247
1024	void	1248	void
1025	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1249	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1026	PPCODE:	1250	PPCODE:
1027	{	1251	{
1028	int fd = s_fileno_croak (fh, 0);	1252	int fd = s_fileno_croak (fh, 0);
1029	dREQ;	1253	dREQ;
1030		1254
1031	req->type = EIO_FALLOCATE;	1255	req->type = EIO_FALLOCATE;
1032	req->sv1 = newSVsv (fh);	1256	req->sv1 = newSVsv (fh);
1033	req->int1 = fd;	1257	req->int1 = fd;
1034	req->int2 = mode;	1258	req->int2 = mode;
1035	req->offs = offset;	1259	req->offs = offset;
1036	req->size = len;	1260	req->size = len;
1037		1261
1038	REQ_SEND (req);	1262	REQ_SEND;
1039	}	1263	}
1040		1264
1041	void	1265	void
1042	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1266	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1043	PPCODE:	1267	PPCODE:
1044	{	1268	{
1045	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1269	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1046	int fd = s_fileno_croak (fh, 0);	1270	int fd = s_fileno_croak (fh, 0);
1047	dREQ;	1271	dREQ;
1048		1272
1049	if (expect_false (close_fd < 0))	1273	if (expect_false (close_fd < 0))
1050	{	1274	{
		1275	int pipefd [2];
		1276
		1277	if (
1051	#ifdef _WIN32	1278	#ifdef _WIN32
1052	close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);	1279	_pipe (pipefd, 1, _O_BINARY) < 0
1053	#else	1280	#else
1054	int pipefd [2];
1055
1056	if (pipe (pipefd) < 0	1281	pipe (pipefd) < 0
1057	|| close (pipefd [1]) < 0
1058	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1282	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1283	#endif
		1284	|| close (pipefd [1]) < 0
		1285	)
1059	abort (); /*D*/	1286	abort (); /*D*/
1060		1287
1061	close_fd = pipefd [0];	1288	close_fd = pipefd [0];
1062	#endif
1063	}	1289	}
1064		1290
1065	req->type = EIO_DUP2;	1291	req->type = EIO_DUP2;
1066	req->int1 = close_fd;	1292	req->int1 = close_fd;
1067	req->sv2 = newSVsv (fh);	1293	req->sv2 = newSVsv (fh);
1068	req->int2 = fd;	1294	req->int2 = fd;
1069		1295
1070	REQ_SEND (req);	1296	REQ_SEND;
1071	}	1297	}
1072		1298
1073	void	1299	void
		1300	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1301	PPCODE:
		1302	{
		1303	int fd = s_fileno_croak (fh, 0);
		1304	dREQ;
		1305
		1306	req->type = EIO_SEEK;
		1307	req->sv1 = newSVsv (fh);
		1308	req->int1 = fd;
		1309	req->offs = SvVAL64 (offset);
		1310	req->int2 = whence;
		1311
		1312	REQ_SEND;
		1313	}
		1314
		1315	void
1074	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1316	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1075	ALIAS:	1317	ALIAS:
1076	aio_read = EIO_READ	1318	aio_read = EIO_READ
1077	aio_write = EIO_WRITE	1319	aio_write = EIO_WRITE
1078	PPCODE:	1320	PPCODE:
1079	{	1321	{
…		…
1095	len = svlen - dataoffset;	1337	len = svlen - dataoffset;
1096	}	1338	}
1097	else	1339	else
1098	{	1340	{
1099	/* read: check type and grow scalar as necessary */	1341	/* read: check type and grow scalar as necessary */
1100	SvUPGRADE (data, SVt_PV);	1342	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1101	svptr = SvGROW (data, len + dataoffset + 1);	1343	svptr = sv_grow (data, len + dataoffset + 1);
		1344	else if (SvCUR (data) < len + dataoffset)
		1345	croak ("length + dataoffset outside of scalar, and cannot grow");
1102	}	1346	}
1103		1347
1104	{	1348	{
1105	dREQ;	1349	dREQ;
1106		1350
…		…
1122	REQ_SEND;	1366	REQ_SEND;
1123	}	1367	}
1124	}	1368	}
1125		1369
1126	void	1370	void
		1371	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1372	ALIAS:
		1373	aio_ioctl = EIO_IOCTL
		1374	aio_fcntl = EIO_FCNTL
		1375	PPCODE:
		1376	{
		1377	int fd = s_fileno_croak (fh, 0);
		1378	char *svptr;
		1379
		1380	if (SvPOK (arg) || !SvNIOK (arg))
		1381	{
		1382	STRLEN svlen;
		1383	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1384	#ifdef IOCPARM_LEN
		1385	STRLEN need = IOCPARM_LEN (request);
		1386	#else
		1387	STRLEN need = 256;
		1388	#endif
		1389
		1390	if (svlen < need)
		1391	svptr = SvGROW (arg, need);
		1392	}
		1393	else
		1394	svptr = (char *)SvIV (arg);
		1395
		1396	{
		1397	dREQ;
		1398
		1399	req->type = ix;
		1400	req->sv1 = newSVsv (fh);
		1401	req->int1 = fd;
		1402	req->int2 = (long)request;
		1403	req->sv2 = SvREFCNT_inc (arg);
		1404	req->ptr2 = svptr;
		1405
		1406	REQ_SEND;
		1407	}
		1408	}
		1409
		1410	void
1127	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1411	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1128	ALIAS:	1412	ALIAS:
1129	aio_readlink = EIO_READLINK	1413	aio_readlink = EIO_READLINK
1130	aio_realpath = EIO_REALPATH	1414	aio_realpath = EIO_REALPATH
1131	PPCODE:	1415	PPCODE:
1132	{	1416	{
1133	SV *data;
1134	dREQ;	1417	dREQ;
1135		1418
1136	req->type = ix;	1419	req->type = ix;
1137	req->sv1 = newSVsv (path);	1420	req_set_path1 (req, pathname);
1138	req->ptr1 = SvPVbyte_nolen (req->sv1);
1139		1421
1140	REQ_SEND;	1422	REQ_SEND;
1141	}	1423	}
1142		1424
1143	void	1425	void
1144	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1426	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1145	PPCODE:	1427	PPCODE:
1146	{	1428	{
1147	int ifd = s_fileno_croak (in_fh , 0);	1429	int ifd = s_fileno_croak (in_fh , 0);
1148	int ofd = s_fileno_croak (out_fh, 1);	1430	int ofd = s_fileno_croak (out_fh, 1);
1149	dREQ;	1431	dREQ;
1150		1432
1151	req->type = EIO_SENDFILE;	1433	req->type = EIO_SENDFILE;
1152	req->sv1 = newSVsv (out_fh);	1434	req->sv1 = newSVsv (out_fh);
1153	req->int1 = ofd;	1435	req->int1 = ofd;
…		…
1158		1440
1159	REQ_SEND;	1441	REQ_SEND;
1160	}	1442	}
1161		1443
1162	void	1444	void
1163	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1445	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1164	PPCODE:	1446	PPCODE:
1165	{	1447	{
1166	int fd = s_fileno_croak (fh, 0);	1448	int fd = s_fileno_croak (fh, 0);
1167	dREQ;	1449	dREQ;
1168		1450
1169	req->type = EIO_READAHEAD;	1451	req->type = EIO_READAHEAD;
1170	req->sv1 = newSVsv (fh);	1452	req->sv1 = newSVsv (fh);
1171	req->int1 = fd;	1453	req->int1 = fd;
…		…
1174		1456
1175	REQ_SEND;	1457	REQ_SEND;
1176	}	1458	}
1177		1459
1178	void	1460	void
1179	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1461	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1180	ALIAS:	1462	ALIAS:
1181	aio_stat = EIO_STAT	1463	aio_stat = EIO_STAT
1182	aio_lstat = EIO_LSTAT	1464	aio_lstat = EIO_LSTAT
1183	aio_statvfs = EIO_STATVFS	1465	aio_statvfs = EIO_STATVFS
1184	PPCODE:	1466	PPCODE:
1185	{	1467	{
1186	dREQ;	1468	dREQ;
1187		1469
1188	req->sv1 = newSVsv (fh_or_path);	1470	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1189
1190	if (SvPOK (req->sv1))
1191	{
1192	req->type = ix;
1193	req->ptr1 = SvPVbyte_nolen (req->sv1);
1194	}
1195	else
1196	{
1197	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1198	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1199	}
1200		1471
1201	REQ_SEND;	1472	REQ_SEND;
1202	}	1473	}
1203		1474
1204	UV	1475	UV
1205	major (UV dev)	1476	major (UV dev)
1206	ALIAS:	1477	ALIAS:
1207	minor = 1	1478	minor = 1
1208	CODE:	1479	CODE:
1209	RETVAL = ix ? major (dev) : minor (dev);	1480	RETVAL = ix ? minor (dev) : major (dev);
1210	OUTPUT:	1481	OUTPUT:
1211	RETVAL	1482	RETVAL
1212		1483
1213	UV	1484	UV
1214	makedev (UV maj, UV min)	1485	makedev (UV maj, UV min)
…		…
1216	RETVAL = makedev (maj, min);	1487	RETVAL = makedev (maj, min);
1217	OUTPUT:	1488	OUTPUT:
1218	RETVAL	1489	RETVAL
1219		1490
1220	void	1491	void
1221	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1492	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1222	PPCODE:	1493	PPCODE:
1223	{	1494	{
1224	dREQ;	1495	dREQ;
1225		1496
1226	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1497	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1227	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1498	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1228	req->sv1 = newSVsv (fh_or_path);	1499	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1229
1230	if (SvPOK (req->sv1))
1231	{
1232	req->type = EIO_UTIME;
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	}
1235	else
1236	{
1237	req->type = EIO_FUTIME;
1238	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1239	}
1240		1500
1241	REQ_SEND;	1501	REQ_SEND;
1242	}	1502	}
1243		1503
1244	void	1504	void
1245	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1505	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1246	PPCODE:	1506	PPCODE:
1247	{	1507	{
1248	dREQ;	1508	dREQ;
1249		1509
1250	req->sv1 = newSVsv (fh_or_path);
1251	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1510	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1252		1511	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1253	if (SvPOK (req->sv1))
1254	{
1255	req->type = EIO_TRUNCATE;
1256	req->ptr1 = SvPVbyte_nolen (req->sv1);
1257	}
1258	else
1259	{
1260	req->type = EIO_FTRUNCATE;
1261	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1262	}
1263		1512
1264	REQ_SEND;	1513	REQ_SEND;
1265	}	1514	}
1266		1515
1267	void	1516	void
1268	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1517	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1269	ALIAS:
1270	aio_chmod = EIO_CHMOD
1271	aio_mkdir = EIO_MKDIR
1272	PPCODE:	1518	PPCODE:
1273	{	1519	{
1274	dREQ;	1520	dREQ;
1275		1521
1276	req->int2 = mode;	1522	req->int2 = mode;
1277	req->sv1 = newSVsv (fh_or_path);	1523	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1278
1279	if (SvPOK (req->sv1))
1280	{
1281	req->type = ix;
1282	req->ptr1 = SvPVbyte_nolen (req->sv1);
1283	}
1284	else
1285	{
1286	req->type = EIO_FCHMOD;
1287	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288	}
1289		1524
1290	REQ_SEND;	1525	REQ_SEND;
1291	}	1526	}
1292		1527
1293	void	1528	void
1294	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1529	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1295	PPCODE:	1530	PPCODE:
1296	{	1531	{
1297	dREQ;	1532	dREQ;
1298		1533
1299	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1534	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1300	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1535	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1301	req->sv1 = newSVsv (fh_or_path);	1536	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1302
1303	if (SvPOK (req->sv1))
1304	{
1305	req->type = EIO_CHOWN;
1306	req->ptr1 = SvPVbyte_nolen (req->sv1);
1307	}
1308	else
1309	{
1310	req->type = EIO_FCHOWN;
1311	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1312	}
1313		1537
1314	REQ_SEND;	1538	REQ_SEND;
1315	}	1539	}
1316		1540
1317	void	1541	void
1318	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1542	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1319	PPCODE:	1543	PPCODE:
1320	{	1544	{
1321	dREQ;	1545	dREQ;
1322		1546
1323	req->type = EIO_READDIR;	1547	req->type = EIO_READDIR;
1324	req->sv1 = newSVsv (pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1548	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327		1549
1328	if (flags & EIO_READDIR_DENTS)	1550	if (flags & EIO_READDIR_DENTS)
1329	req->int1 |= EIO_READDIR_CUSTOM2;	1551	req->int1 |= EIO_READDIR_CUSTOM2;
1330		1552
		1553	req_set_path1 (req, pathname);
		1554
1331	REQ_SEND;	1555	REQ_SEND;
1332	}	1556	}
1333		1557
1334	void	1558	void
		1559	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1560	PPCODE:
		1561	{
		1562	dREQ;
		1563
		1564	req->type = EIO_MKDIR;
		1565	req->int2 = mode;
		1566	req_set_path1 (req, pathname);
		1567
		1568	REQ_SEND;
		1569	}
		1570
		1571	void
1335	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1572	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1336	ALIAS:	1573	ALIAS:
1337	aio_unlink = EIO_UNLINK	1574	aio_unlink = EIO_UNLINK
1338	aio_rmdir = EIO_RMDIR	1575	aio_rmdir = EIO_RMDIR
1339	aio_readdir = EIO_READDIR	1576	aio_readdir = EIO_READDIR
1340	PPCODE:	1577	PPCODE:
1341	{	1578	{
1342	dREQ;	1579	dREQ;
1343		1580
1344	req->type = ix;	1581	req->type = ix;
1345	req->sv1 = newSVsv (pathname);	1582	req_set_path1 (req, pathname);
1346	req->ptr1 = SvPVbyte_nolen (req->sv1);
1347		1583
1348	REQ_SEND;	1584	REQ_SEND;
1349	}	1585	}
1350		1586
1351	void	1587	void
1352	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1588	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1353	ALIAS:	1589	ALIAS:
1354	aio_link = EIO_LINK	1590	aio_link = EIO_LINK
1355	aio_symlink = EIO_SYMLINK	1591	aio_symlink = EIO_SYMLINK
1356	aio_rename = EIO_RENAME	1592	aio_rename = EIO_RENAME
1357	PPCODE:	1593	PPCODE:
1358	{	1594	{
		1595	eio_wd wd2 = 0;
1359	dREQ;	1596	dREQ;
1360		1597
1361	req->type = ix;	1598	req->type = ix;
1362	req->sv1 = newSVsv (oldpath);	1599	req_set_path1 (req, oldpath);
1363	req->ptr1 = SvPVbyte_nolen (req->sv1);	1600	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1364	req->sv2 = newSVsv (newpath);	1601	req->int3 = (long)wd2;
1365	req->ptr2 = SvPVbyte_nolen (req->sv2);
1366		1602
1367	REQ_SEND;	1603	REQ_SEND;
1368	}	1604	}
1369		1605
1370	void	1606	void
		1607	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1608	PPCODE:
		1609	{
		1610	eio_wd wd2 = 0;
		1611	dREQ;
		1612
		1613	req->type = EIO_RENAME;
		1614	req_set_path1 (req, oldpath);
		1615	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1616	req->int2 = flags;
		1617	req->int3 = (long)wd2;
		1618
		1619	REQ_SEND;
		1620	}
		1621
		1622	void
1371	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1623	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1372	PPCODE:	1624	PPCODE:
1373	{	1625	{
1374	dREQ;	1626	dREQ;
1375		1627
1376	req->type = EIO_MKNOD;	1628	req->type = EIO_MKNOD;
1377	req->sv1 = newSVsv (pathname);
1378	req->ptr1 = SvPVbyte_nolen (req->sv1);
1379	req->int2 = (mode_t)mode;	1629	req->int2 = (mode_t)mode;
1380	req->offs = dev;	1630	req->offs = dev;
		1631	req_set_path1 (req, pathname);
1381		1632
1382	REQ_SEND;	1633	REQ_SEND;
1383	}	1634	}
1384		1635
1385	void	1636	void
1386	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1637	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1387	ALIAS:	1638	ALIAS:
1388	aio_mtouch = EIO_MTOUCH	1639	aio_mtouch = EIO_MTOUCH
1389	aio_msync = EIO_MSYNC	1640	aio_msync = EIO_MSYNC
1390	PPCODE:	1641	PPCODE:
1391	{	1642	{
1392	STRLEN svlen;	1643	STRLEN svlen;
1393	char *svptr = SvPVbyte (data, svlen);	1644	char *svptr = SvPVbyte (data, svlen);
1394	UV len = SvUV (length);	1645	UV len = SvUV (length);
		1646
		1647	if (flags < 0)
		1648	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1395		1649
1396	if (offset < 0)	1650	if (offset < 0)
1397	offset += svlen;	1651	offset += svlen;
1398		1652
1399	if (offset < 0 || offset > svlen)	1653	if (offset < 0 || offset > svlen)
…		…
1414	REQ_SEND;	1668	REQ_SEND;
1415	}	1669	}
1416	}	1670	}
1417		1671
1418	void	1672	void
1419	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1673	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1420	PPCODE:	1674	PPCODE:
1421	{	1675	{
1422	STRLEN svlen;	1676	STRLEN svlen;
1423	char *svptr = SvPVbyte (data, svlen);	1677	char *svptr = SvPVbyte (data, svlen);
1424	UV len = SvUV (length);	1678	UV len = SvUV (length);
…		…
1443	REQ_SEND;	1697	REQ_SEND;
1444	}	1698	}
1445	}	1699	}
1446		1700
1447	void	1701	void
1448	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1702	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1449	PPCODE:	1703	PPCODE:
1450	{	1704	{
1451	dREQ;	1705	dREQ;
1452		1706
1453	req->type = EIO_MLOCKALL;	1707	req->type = EIO_MLOCKALL;
…		…
1455		1709
1456	REQ_SEND;	1710	REQ_SEND;
1457	}	1711	}
1458		1712
1459	void	1713	void
		1714	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1715	PPCODE:
		1716	{
		1717	int fd = s_fileno_croak (fh, 0);
		1718	dREQ;
		1719
		1720	req->type = EIO_CUSTOM;
		1721	req->sv1 = newSVsv (fh);
		1722	req->int1 = fd;
		1723
		1724	req->feed = fiemap;
		1725	#if HAVE_FIEMAP
		1726	/* keep our fingers crossed that the next two types are 64 bit */
		1727	req->offs = start;
		1728	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1729	req->int2 = flags;
		1730	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1731	#endif
		1732
		1733	REQ_SEND;
		1734	}
		1735
		1736	void
1460	aio_busy (double delay, SV *callback=&PL_sv_undef)	1737	aio_busy (double delay, SV *callback = &PL_sv_undef)
1461	PPCODE:	1738	PPCODE:
1462	{	1739	{
1463	dREQ;	1740	dREQ;
1464		1741
1465	req->type = EIO_BUSY;	1742	req->type = EIO_BUSY;
…		…
1467		1744
1468	REQ_SEND;	1745	REQ_SEND;
1469	}	1746	}
1470		1747
1471	void	1748	void
1472	aio_group (SV *callback=&PL_sv_undef)	1749	aio_group (SV *callback = &PL_sv_undef)
1473	PPCODE:	1750	PPCODE:
1474	{	1751	{
1475	dREQ;	1752	dREQ;
1476		1753
1477	req->type = EIO_GROUP;	1754	req->type = EIO_GROUP;
1478		1755
		1756	PUTBACK;
1479	req_submit (req);	1757	req_submit (req);
		1758	SPAGAIN;
		1759
1480	XPUSHs (req_sv (req, aio_grp_stash));	1760	XPUSHs (req_sv (req, aio_grp_stash));
1481	}	1761	}
1482		1762
1483	void	1763	void
1484	aio_nop (SV *callback=&PL_sv_undef)	1764	aio_nop (SV *callback = &PL_sv_undef)
1485	ALIAS:	1765	ALIAS:
1486	aio_nop = EIO_NOP	1766	aio_nop = EIO_NOP
1487	aio_sync = EIO_SYNC	1767	aio_sync = EIO_SYNC
1488	PPCODE:	1768	PPCODE:
1489	{	1769	{
…		…
1493		1773
1494	REQ_SEND;	1774	REQ_SEND;
1495	}	1775	}
1496		1776
1497	int	1777	int
1498	aioreq_pri (int pri = 0)	1778	aioreq_pri (int pri = NO_INIT)
1499	CODE:	1779	CODE:
1500	RETVAL = next_pri;	1780	RETVAL = next_pri;
1501	if (items > 0)	1781	if (items > 0)
1502	{	1782	{
1503	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1783	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1585	CODE:	1865	CODE:
1586	RETVAL = posix_fadvise (fh, offset, length, advice);	1866	RETVAL = posix_fadvise (fh, offset, length, advice);
1587	OUTPUT:	1867	OUTPUT:
1588	RETVAL	1868	RETVAL
1589		1869
1590	ssize_t	1870	IV
1591	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1871	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1592	CODE:	1872	CODE:
1593	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1873	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594	OUTPUT:	1874	OUTPUT:
1595	RETVAL	1875	RETVAL
1596		1876
1597	void	1877	void
1598	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1878	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1599	PPCODE:	1879	PPCODE:
1600	sv_unmagic (scalar, MMAP_MAGIC);	1880	sv_unmagic (scalar, MMAP_MAGIC);
1601	{	1881	{
1602	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1882	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1603	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1883	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1630	munmap (SV *scalar)	1910	munmap (SV *scalar)
1631	CODE:	1911	CODE:
1632	sv_unmagic (scalar, MMAP_MAGIC);	1912	sv_unmagic (scalar, MMAP_MAGIC);
1633		1913
1634	int	1914	int
1635	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1915	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1636	ALIAS:	1916	ALIAS:
1637	mprotect = 1	1917	mprotect = 1
1638	CODE:	1918	CODE:
1639	{	1919	{
1640	STRLEN svlen;	1920	STRLEN svlen;
1641	void *addr = SvPVbyte (scalar, svlen);	1921	void *addr = SvPVbyte (scalar, svlen);
1642	size_t len = SvUV (length);	1922	STRLEN len = SvUV (length);
1643		1923
1644	if (offset < 0)	1924	if (offset < 0)
1645	offset += svlen;	1925	offset += svlen;
1646		1926
1647	if (offset < 0 || offset > svlen)	1927	if (offset < 0 || offset > svlen)
…		…
1661	}	1941	}
1662	OUTPUT:	1942	OUTPUT:
1663	RETVAL	1943	RETVAL
1664		1944
1665	int	1945	int
1666	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1946	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1667	CODE:	1947	CODE:
1668	{	1948	{
1669	STRLEN svlen;	1949	STRLEN svlen;
1670	void *addr = SvPVbyte (scalar, svlen);	1950	void *addr = SvPVbyte (scalar, svlen);
1671	size_t len = SvUV (length);	1951	size_t len = SvUV (length);
1672		1952
1673	if (offset < 0)	1953	if (offset < 0)
1674	offset += svlen;	1954	offset += svlen;
1675		1955
…		…
1682	addr = (void *)(((intptr_t)addr) + offset);	1962	addr = (void *)(((intptr_t)addr) + offset);
1683	eio_page_align (&addr, &len);	1963	eio_page_align (&addr, &len);
1684	#if _POSIX_MEMLOCK_RANGE	1964	#if _POSIX_MEMLOCK_RANGE
1685	RETVAL = munlock (addr, len);	1965	RETVAL = munlock (addr, len);
1686	#else	1966	#else
1687	RETVAL = ((errno = ENOSYS), -1);	1967	RETVAL = EIO_ENOSYS ();
1688	#endif	1968	#endif
1689	}	1969	}
1690	OUTPUT:	1970	OUTPUT:
1691	RETVAL	1971	RETVAL
1692		1972
…		…
1694	munlockall ()	1974	munlockall ()
1695	CODE:	1975	CODE:
1696	#if _POSIX_MEMLOCK	1976	#if _POSIX_MEMLOCK
1697	munlockall ();	1977	munlockall ();
1698	#else	1978	#else
1699	RETVAL = -1;	1979	RETVAL = EIO_ENOSYS ();
1700	errno = ENOSYS;
1701	#endif	1980	#endif
1702	OUTPUT:	1981	OUTPUT:
1703	RETVAL	1982	RETVAL
		1983
		1984	int
		1985	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1986	CODE:
		1987	{
		1988	#if HAVE_LINUX_SPLICE
		1989	loff_t off_in_, off_out_;
		1990	RETVAL = splice (
		1991	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1992	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1993	length, flags
		1994	);
		1995	#else
		1996	RETVAL = EIO_ENOSYS ();
		1997	#endif
		1998	}
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	int
		2003	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2004	CODE:
		2005	#if HAVE_LINUX_SPLICE
		2006	RETVAL = tee (rfh, wfh, length, flags);
		2007	#else
		2008	RETVAL = EIO_ENOSYS ();
		2009	#endif
		2010	OUTPUT:
		2011	RETVAL
		2012
		2013	int
		2014	pipesize (aio_rfd rfh, int new_size = -1)
		2015	PROTOTYPE: $;$
		2016	CODE:
		2017	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2018	if (new_size >= 0)
		2019	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2020	else
		2021	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2022	#else
		2023	errno = ENOSYS;
		2024	RETVAL = -1;
		2025	#endif
		2026	OUTPUT:
		2027	RETVAL
		2028
		2029	void
		2030	pipe2 (int flags = 0)
		2031	PROTOTYPE: ;$
		2032	PPCODE:
		2033	{
		2034	int fd[2];
		2035	int res;
		2036
		2037	if (flags)
		2038	#if HAVE_PIPE2
		2039	res = pipe2 (fd, flags);
		2040	#else
		2041	res = (errno = ENOSYS, -1);
		2042	#endif
		2043	else
		2044	res = pipe (fd);
		2045
		2046	if (!res)
		2047	{
		2048	EXTEND (SP, 2);
		2049	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2050	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2051	}
		2052	}
1704		2053
1705	void _on_next_submit (SV *cb)	2054	void _on_next_submit (SV *cb)
1706	CODE:	2055	CODE:
1707	SvREFCNT_dec (on_next_submit);	2056	SvREFCNT_dec (on_next_submit);
1708	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2057	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1709		2058
1710	PROTOTYPES: DISABLE	2059	PROTOTYPES: DISABLE
1711		2060
		2061	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2062
		2063	BOOT:
		2064	{
		2065	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2066	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2067	}
		2068
		2069	void
		2070	DESTROY (SV *self)
		2071	CODE:
		2072	{
		2073	aio_wd wd = SvAIO_WD (self);
		2074	#if HAVE_AT
		2075	{
		2076	SV *callback = &PL_sv_undef;
		2077	dREQ; /* clobbers next_pri :/ */
		2078	next_pri = req->pri; /* restore next_pri */
		2079	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2080	req->type = EIO_WD_CLOSE;
		2081	req->wd = wd;
		2082	REQ_SEND;
		2083	}
		2084	#else
		2085	eio_wd_close_sync (wd);
		2086	#endif
		2087	}
		2088
1712	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2089	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1713		2090
1714	void	2091	void
1715	cancel (aio_req_ornot req)	2092	cancel (aio_req_ornot req)
1716	CODE:	2093	CODE:
1717	eio_cancel (req);	2094	eio_cancel (req);
1718		2095
1719	void	2096	void
1720	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2097	cb (aio_req_ornot req, SV *callback = NO_INIT)
1721	PPCODE:	2098	PPCODE:
1722	{	2099	{
1723	if (GIMME_V != G_VOID)	2100	if (GIMME_V != G_VOID)
1724	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2101	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1725		2102
1726	if (items > 1)	2103	if (items > 1)
1727	{	2104	{
1728	SV *cb_cv =get_cb (callback);	2105	SV *cb_cv = get_cb (callback);
1729		2106
1730	SvREFCNT_dec (req->callback);	2107	SvREFCNT_dec (req->callback);
1731	req->callback = SvREFCNT_inc (cb_cv);	2108	req->callback = SvREFCNT_inc (cb_cv);
1732	}	2109	}
1733	}	2110	}
…		…
1790	limit (aio_req grp, int limit)	2167	limit (aio_req grp, int limit)
1791	CODE:	2168	CODE:
1792	eio_grp_limit (grp, limit);	2169	eio_grp_limit (grp, limit);
1793		2170
1794	void	2171	void
1795	feed (aio_req grp, SV *callback=&PL_sv_undef)	2172	feed (aio_req grp, SV *callback = &PL_sv_undef)
1796	CODE:	2173	CODE:
1797	{	2174	{
1798	SvREFCNT_dec (grp->sv2);	2175	SvREFCNT_dec (grp->sv2);
1799	grp->sv2 = newSVsv (callback);	2176	grp->sv2 = newSVsv (callback);
1800	grp->feed = aio_grp_feed;	2177	grp->feed = aio_grp_feed;

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