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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.186 by root, Thu Jul 14 22:36:17 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
27	#ifdef _WIN32
28
29	# define EIO_STRUCT_DIRENT Direntry_t
30	# undef malloc
31	# undef free
32
33	// perl overrides all those nice win32 functions
34	# undef open
35	# undef read
36	# undef write
37	# undef send
38	# undef recv
39	# undef stat
40	# undef fstat
41	# define lstat stat
42	# undef truncate
43	# undef ftruncate
44	# undef open
45	# undef close
46	# undef unlink
47	# undef rmdir
48	# undef rename
49	# undef lseek
50
51	# define opendir(fd) (errno = ENOSYS, 0)
52	# define readdir(fd) (errno = ENOSYS, -1)
53	# define closedir(fd) (errno = ENOSYS, -1)
54
55	#else
56
57	# include <sys/time.h>
58	# include <sys/select.h>
59	# include <unistd.h>
60	# include <utime.h>
61	# include <signal.h>
62	# define EIO_STRUCT_DIRENT struct dirent
63
64	#endif
65		40
66	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
67	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
68	#undef readdir	43	#undef readdir
69	#undef opendir	44	#undef opendir
70	#undef closedir	45	#undef closedir
71		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
72	#define EIO_STRUCT_STAT Stat_t	82	#define EIO_STRUCT_STATI64
73		83
74	/* use NV for 32 bit perls as it allows larger offsets */
75	#if IVSIZE >= 8
76	# define VAL64 IV
77	# define SvVAL64 SvIV
78	# define newSVval64 newSViv
79	#else	84	#else
80	# define VAL64 NV	85
81	# define SvVAL64 SvNV	86	#include <sys/time.h>
82	# 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
83	#endif	94	#endif
84		95
85	/*****************************************************************************/	96	/*****************************************************************************/
86		97
87	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
97		108
98	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
99	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
100	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
101		112
102	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
103		114
104	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
105	SV *callback; \	116	SV *callback; \
106	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
107	STRLEN stroffset; \	119	STRLEN stroffset; \
108	SV *self;	120	SV *self;
109		121
110	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
111		123
112	#include "libeio/config.h"	124	#include "libeio/config.h"
113	#include "libeio/eio.h"	125	#include "libeio/eio.h"
114		126
115	/* Linux/others */	127	static int req_invoke (eio_req *req);
116	#ifndef O_ASYNC	128	#define EIO_FINISH(req) req_invoke (req)
117	# define O_ASYNC 0	129	static void req_destroy (eio_req *grp);
118	#endif	130	#define EIO_DESTROY(req) req_destroy (req)
119	#ifndef O_DIRECT
120	# define O_DIRECT 0
121	#endif
122	#ifndef O_NOATIME
123	# define O_NOATIME 0
124	#endif
125		131
126	/* POSIX */	132	#include "libeio/eio.c"
127	#ifndef O_CLOEXEC
128	# define O_CLOEXEC 0
129	#endif
130	#ifndef O_NOFOLLOW
131	# define O_NOFOLLOW 0
132	#endif
133	#ifndef O_NOCTTY
134	# define O_NOCTTY 0
135	#endif
136	#ifndef O_NONBLOCK
137	# define O_NONBLOCK 0
138	#endif
139	#ifndef O_EXEC
140	# define O_EXEC 0
141	#endif
142	#ifndef O_SEARCH
143	# define O_SEARCH 0
144	#endif
145	#ifndef O_DIRECTORY
146	# define O_DIRECTORY 0
147	#endif
148	#ifndef O_DSYNC
149	# define O_DSYNC 0
150	#endif
151	#ifndef O_RSYNC
152	# define O_RSYNC 0
153	#endif
154	#ifndef O_SYNC
155	# define O_SYNC 0
156	#endif
157	#ifndef O_TTY_INIT
158	# define O_TTY_INIT 0
159	#endif
160
161	#ifndef POSIX_FADV_NORMAL
162	# define POSIX_FADV_NORMAL 0
163	#endif
164	#ifndef POSIX_FADV_SEQUENTIAL
165	# define POSIX_FADV_SEQUENTIAL 0
166	#endif
167	#ifndef POSIX_FADV_RANDOM
168	# define POSIX_FADV_RANDOM 0
169	#endif
170	#ifndef POSIX_FADV_NOREUSE
171	# define POSIX_FADV_NOREUSE 0
172	#endif
173	#ifndef POSIX_FADV_WILLNEED
174	# define POSIX_FADV_WILLNEED 0
175	#endif
176	#ifndef POSIX_FADV_DONTNEED
177	# define POSIX_FADV_DONTNEED 0
178	#endif
179		133
180	#if !HAVE_POSIX_FADVISE	134	#if !HAVE_POSIX_FADVISE
181	# 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 */
182	#endif	136	#endif
183		137
184	#ifndef POSIX_MADV_NORMAL
185	# define POSIX_MADV_NORMAL 0
186	#endif
187	#ifndef POSIX_MADV_SEQUENTIAL
188	# define POSIX_MADV_SEQUENTIAL 0
189	#endif
190	#ifndef POSIX_MADV_RANDOM
191	# define POSIX_MADV_RANDOM 0
192	#endif
193	#ifndef POSIX_MADV_WILLNEED
194	# define POSIX_MADV_WILLNEED 0
195	#endif
196	#ifndef POSIX_MADV_DONTNEED
197	# define POSIX_MADV_DONTNEED 0
198	#endif
199
200	#if !HAVE_POSIX_MADVISE	138	#if !HAVE_POSIX_MADVISE
201	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202	#endif
203
204	#ifndef PROT_NONE
205	# define PROT_NONE 0
206	#endif
207	#ifndef PROT_READ
208	# define PROT_READ 0
209	#endif
210	#ifndef PROT_WRITE
211	# define PROT_READ 0
212	#endif
213	#ifndef PROT_EXEC
214	# define PROT_EXEC 0
215	#endif
216
217	#ifndef ST_NODEV
218	# define ST_NODEV 0
219	#endif
220	#ifndef ST_NOEXEC
221	# define ST_NOEXEC 0
222	#endif
223	#ifndef ST_SYNCHRONOUS
224	# define ST_SYNCHRONOUS 0
225	#endif
226	#ifndef ST_MANDLOCK
227	# define ST_MANDLOCK 0
228	#endif
229	#ifndef ST_WRITE
230	# define ST_WRITE 0
231	#endif
232	#ifndef ST_APPEND
233	# define ST_APPEND 0
234	#endif
235	#ifndef ST_IMMUTABLE
236	# define ST_IMMUTABLE 0
237	#endif
238	#ifndef ST_NOATIME
239	# define ST_NOATIME 0
240	#endif
241	#ifndef ST_NODIRATIME
242	# define ST_NODIRATIME 0
243	#endif
244	#ifndef ST_RELATIME
245	# define ST_RELATIME 0
246	#endif
247
248	#ifndef S_IFIFO
249	# define S_IFIFO 0
250	#endif
251	#ifndef S_IFCHR
252	# define S_IFCHR 0
253	#endif
254	#ifndef S_IFBLK
255	# define S_IFBLK 0
256	#endif
257	#ifndef S_IFLNK
258	# define S_IFLNK 0
259	#endif
260	#ifndef S_IFREG
261	# define S_IFREG 0
262	#endif
263	#ifndef S_IFDIR
264	# define S_IFDIR 0
265	#endif
266	#ifndef S_IFWHT
267	# define S_IFWHT 0
268	#endif
269	#ifndef S_IFSOCK
270	# define S_IFSOCK 0
271	#endif	140	#endif
272		141
273	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
274	# ifdef MAP_ANON	143	# ifdef MAP_ANON
275	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
276	# else	145	# else
277	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
278	# endif	147	# endif
279	#endif	148	#endif
280	#ifndef MAP_HUGETLB	149
281	# define MAP_HUGETLB 0	150	/* defines all sorts of constants to 0 unless they are already defined */
282	#endif	151	/* also provides const_iv_ and const_niv_ macros for them */
283	#ifndef MAP_LOCKED	152	#include "def0.h"
284	# define MAP_LOCKED 0
285	#endif
286	#ifndef MAP_NORESERVE
287	# define MAP_NORESERVE 0
288	#endif
289	#ifndef MAP_POPULATE
290	# define MAP_POPULATE 0
291	#endif
292	#ifndef MAP_NONBLOCK
293	# define MAP_NONBLOCK 0
294	#endif
295		153
296	#ifndef makedev	154	#ifndef makedev
297	# define makedev(maj,min) (((maj) << 8) | (min))	155	# define makedev(maj,min) (((maj) << 8) | (min))
298	#endif	156	#endif
299	#ifndef major	157	#ifndef major
…		…
301	#endif	159	#endif
302	#ifndef minor	160	#ifndef minor
303	# define minor(dev) ((dev) & 0xff)	161	# define minor(dev) ((dev) & 0xff)
304	#endif	162	#endif
305		163
306	#ifndef PAGESIZE	164	#if PAGESIZE <= 0
307	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
308	#endif	166	#endif
309		167
310	static int req_invoke (eio_req *req);	168	/*****************************************************************************/
311	#define EIO_FINISH(req) req_invoke (req)	169
312	static void req_destroy (eio_req *grp);	170	static void
313	#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	/*****************************************************************************/
314		267
315	enum {	268	enum {
316	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
317	};	270	};
318		271
319	#include "libeio/eio.c"
320
321	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
322	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
323		275
324	static SV *on_next_submit;	276	static SV *on_next_submit;
325	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
326	static int max_outstanding;	278	static int max_outstanding;
327		279
328	static s_epipe respipe;	280	static s_epipe respipe;
329		281
330	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
331	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
332		284
333	static void want_poll (void)	285	static void
		286	want_poll (void)
334	{	287	{
335	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
336	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
337	}	290	}
338		291
339	static void done_poll (void)	292	static void
		293	done_poll (void)
340	{	294	{
341	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
342	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
343	}	297	}
344		298
345	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
346	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
347	{	302	{
348	if (!req->self)	303	if (!req->self)
349	{	304	{
350	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
351	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
352	}	307	}
353		308
354	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
355	}	310	}
356		311
357	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)
358	{	320	{
359	MAGIC *mg;	321	MAGIC *mg;
360		322
361	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
362	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
363	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
364	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
365	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
366		329
367	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
368		331
369	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
370	}	333	}
371		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
372	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
373	{	373	{
374	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
375	{	375	{
376	dSP;	376	dSP;
377		377
…		…
385	FREETMPS;	385	FREETMPS;
386	LEAVE;	386	LEAVE;
387	}	387	}
388	}	388	}
389		389
		390	static void
390	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
391	{	392	{
392	eio_submit (req);	393	eio_submit (req);
393		394
394	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
395	{	396	{
…		…
402	PUTBACK;	403	PUTBACK;
403	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
404	}	405	}
405	}	406	}
406		407
		408	static int
407	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
408	{	410	{
409	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
410	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
411		413
412	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
433	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
434	}	436	}
435		437
436	switch (req->type)	438	switch (req->type)
437	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
438	case EIO_READDIR:	444	case EIO_READDIR:
439	{	445	{
440	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
441		447
442	if (req->result >= 0)	448	if (req->result >= 0)
…		…
495	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))));
496	}	502	}
497	break;	503	break;
498		504
499	case EIO_OPEN:	505	case EIO_OPEN:
500	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
501	/* convert fd to fh */
502	SV *fh = &PL_sv_undef;
503
504	if (req->result >= 0)
505	{
506	GV *gv = (GV *)sv_newmortal ();
507	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
508	char sym [64];
509	int symlen;
510
511	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
512	gv_init (gv, aio_stash, sym, symlen, 0);
513
514	symlen = snprintf (
515	sym,
516	sizeof (sym),
517	"%s&=%d",
518	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
519	(int)req->result
520	);
521
522	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
523	fh = (SV *)gv;
524	}
525
526	PUSHs (fh);
527	}
528	break;	507	break;
529		508
530	case EIO_STATVFS:	509	case EIO_STATVFS:
531	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
532	{	511	{
533	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
534		513
		514	#ifndef _WIN32
535	if (req->result >= 0)	515	if (req->result >= 0)
536	{	516	{
537	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
538	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));
539		524
540	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
541		526
542	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);
543	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);
…		…
545	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);
546	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);
547	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);
548	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);
549	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);
550	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
551	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);
552	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);
553	}	538	}
		539	#endif
554		540
555	PUSHs (rv);	541	PUSHs (rv);
556	}	542	}
557		543
558	break;	544	break;
…		…
582	break;	568	break;
583		569
584	case EIO_STAT:	570	case EIO_STAT:
585	case EIO_LSTAT:	571	case EIO_LSTAT:
586	case EIO_FSTAT:	572	case EIO_FSTAT:
587	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
588	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
589	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
590	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)));
591	break;	584	break;
592		585
593	case EIO_READ:	586	case EIO_READ:
594	{	587	{
595	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));
…		…
598	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
599	PUSHs (sv_result);	592	PUSHs (sv_result);
600	}	593	}
601	break;	594	break;
602		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
603	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 */
604	if (req->result > 0)	637	if (req->result > 0)
605	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
606	/* FALLTHROUGH */	639	/* FALLTHROUGH */
607		640
…		…
628	}	661	}
629		662
630	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
631	}	664	}
632		665
		666	static void
633	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
634	{	668	{
635	if (req->self)	669	if (req->self)
636	{	670	{
637	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
638	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
639	}	673	}
640		674
641	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
642	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
643	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
644		680
645	Safefree (req);	681	free (req);
646	}	682	}
647		683
		684	static void
648	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
649	{	686	{
650	aio_req sub;
651
652	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
653	return;	688	return;
654		689
655	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
656	grp->sv2 = 0;	691	grp->sv2 = 0;
657		692
658	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
659	}	694	}
660		695
		696	static void ecb_cold
661	static void create_respipe (void)	697	create_respipe (void)
662	{	698	{
663	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
664	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
665	}	701	}
666		702
667	static void poll_wait (void)	703	static void
		704	poll_wait (void)
668	{	705	{
669	while (eio_nreqs ())	706	while (eio_nreqs ())
670	{	707	{
671	int size;	708	int size;
672		709
673	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
674	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
675	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
676		713
677	if (size)	714	if (size)
678	return;	715	return;
679		716
680	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
681		718
682	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
683	}	720	}
684	}	721	}
685		722
686	static int poll_cb (void)	723	static int
		724	poll_cb (void)
687	{	725	{
688	for (;;)	726	for (;;)
689	{	727	{
690	int res = eio_poll ();	728	int res = eio_poll ();
691		729
…		…
697		735
698	poll_wait ();	736	poll_wait ();
699	}	737	}
700	}	738	}
701		739
702	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
703	{	742	{
704	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
705	}	747	}
706		748
707	/*****************************************************************************/	749	/*****************************************************************************/
708		750
709	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
710	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
711	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
712	#endif	754	#endif
713		755
714	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
715	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
716	# define PROT_NONE 0
717	# define PROT_WRITE 0
718	# define MAP_PRIVATE 0
719	# define MAP_SHARED 0
720	# define MAP_FIXED 0
721	#endif	758	#endif
722		759
723	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
724		761
		762	static int ecb_cold
725	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
726	{	764	{
727	int old_errno = errno;	765	int old_errno = errno;
728	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
729	errno = old_errno;	767	errno = old_errno;
730		768
…		…
746	0, 0, 0, 0, mmap_free	784	0, 0, 0, 0, mmap_free
747	};	785	};
748		786
749	/*****************************************************************************/	787	/*****************************************************************************/
750		788
		789	static SV *
751	static SV * get_cb (SV *cb_sv)	790	get_cb (SV *cb_sv)
752	{	791	{
753	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
754	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
755	}	794	}
756		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
757	#define dREQ \	816	#define dREQ \
758	SV *cb_cv; \	817	aio_req req = dreq (callback); \
759	aio_req req; \
760	int req_pri = next_pri; \
761	next_pri = EIO_PRI_DEFAULT; \
762	\
763	cb_cv = get_cb (callback); \
764	\
765	Newz (0, req, 1, eio_req); \
766	if (!req) \
767	croak ("out of memory during eio_req allocation"); \
768	\
769	req->callback = SvREFCNT_inc (cb_cv); \
770	req->pri = req_pri
771		818
772	#define REQ_SEND \	819	#define REQ_SEND \
773	PUTBACK; \	820	PUTBACK; \
774	req_submit (req); \	821	req_submit (req); \
775	SPAGAIN; \	822	SPAGAIN; \
776	\	823	\
777	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
778	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
779		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
780	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
781		894
782	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
783		896
784	BOOT:	897	BOOT:
…		…
788	IV iv;	901	IV iv;
789	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
790	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
791	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
792	# 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)
793	const_iv (EXDEV)	910	const_iv (EXDEV)
794	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 */
795	const_iv (O_RDONLY)	931	const_iv (O_RDONLY)
796	const_iv (O_WRONLY)	932	const_iv (O_WRONLY)
797	const_iv (O_RDWR)	933	const_iv (O_RDWR)
798	const_iv (O_CREAT)	934	const_iv (O_CREAT)
799	const_iv (O_TRUNC)	935	const_iv (O_TRUNC)
…		…
812	const_iv (O_SEARCH)	948	const_iv (O_SEARCH)
813	const_iv (O_DIRECTORY)	949	const_iv (O_DIRECTORY)
814	const_iv (O_DSYNC)	950	const_iv (O_DSYNC)
815	const_iv (O_RSYNC)	951	const_iv (O_RSYNC)
816	const_iv (O_SYNC)	952	const_iv (O_SYNC)
		953	const_iv (O_PATH)
		954	const_iv (O_TMPFILE)
817	const_iv (O_TTY_INIT)	955	const_iv (O_TTY_INIT)
818		956
819	const_iv (S_IFIFO)	957	const_iv (S_IFIFO)
820	const_iv (S_IFCHR)	958	const_iv (S_IFCHR)
821	const_iv (S_IFBLK)	959	const_iv (S_IFBLK)
…		…
823	const_iv (S_IFREG)	961	const_iv (S_IFREG)
824	const_iv (S_IFDIR)	962	const_iv (S_IFDIR)
825	const_iv (S_IFWHT)	963	const_iv (S_IFWHT)
826	const_iv (S_IFSOCK)	964	const_iv (S_IFSOCK)
827	const_iv (S_IFMT)	965	const_iv (S_IFMT)
828
829	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
830	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
831	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
832	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
833	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
834	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
835
836	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
837	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
838	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
839	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
840	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
841		966
842	const_iv (ST_RDONLY)	967	const_iv (ST_RDONLY)
843	const_iv (ST_NOSUID)	968	const_iv (ST_NOSUID)
844	const_iv (ST_NODEV)	969	const_iv (ST_NODEV)
845	const_iv (ST_NOEXEC)	970	const_iv (ST_NOEXEC)
…		…
855	const_iv (PROT_NONE)	980	const_iv (PROT_NONE)
856	const_iv (PROT_EXEC)	981	const_iv (PROT_EXEC)
857	const_iv (PROT_READ)	982	const_iv (PROT_READ)
858	const_iv (PROT_WRITE)	983	const_iv (PROT_WRITE)
859		984
860	/*const_iv (MAP_FIXED)*/
861	const_iv (MAP_PRIVATE)	985	const_iv (MAP_PRIVATE)
862	const_iv (MAP_SHARED)	986	const_iv (MAP_SHARED)
		987	const_iv (MAP_FIXED)
863	const_iv (MAP_ANONYMOUS)	988	const_iv (MAP_ANONYMOUS)
864		989
865	/* linuxish */	990	/* linuxish */
866	const_iv (MAP_HUGETLB)
867	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
868	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
869	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
870	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)
871		1087
872	const_eio (MCL_FUTURE)	1088	const_eio (MCL_FUTURE)
873	const_eio (MCL_CURRENT)	1089	const_eio (MCL_CURRENT)
874		1090
875	const_eio (MS_ASYNC)	1091	const_eio (MS_ASYNC)
…		…
881	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1097	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
882	const_eio (SYNC_FILE_RANGE_WRITE)	1098	const_eio (SYNC_FILE_RANGE_WRITE)
883	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1099	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884		1100
885	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)
886		1111
887	const_eio (READDIR_DENTS)	1112	const_eio (READDIR_DENTS)
888	const_eio (READDIR_DIRS_FIRST)	1113	const_eio (READDIR_DIRS_FIRST)
889	const_eio (READDIR_STAT_ORDER)	1114	const_eio (READDIR_STAT_ORDER)
890	const_eio (READDIR_FOUND_UNKNOWN)	1115	const_eio (READDIR_FOUND_UNKNOWN)
…		…
901	};	1126	};
902		1127
903	aio_stash = gv_stashpv ("IO::AIO" , 1);	1128	aio_stash = gv_stashpv ("IO::AIO" , 1);
904	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1129	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
905	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);
906		1132
907	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--)
908	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1134	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
909		1135
910	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1136	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
911		1137
912	create_respipe ();	1138	reinit ();
913
914	if (eio_init (want_poll, done_poll) < 0)
915	croak ("IO::AIO: unable to initialise eio library");
916
917	/* atfork child called in fifo order, so before eio's handler */
918	X_THREAD_ATFORK (0, 0, atfork_child);
919	}	1139	}
		1140
		1141	void
		1142	reinit ()
		1143	PROTOTYPE:
920		1144
921	void	1145	void
922	max_poll_reqs (unsigned int nreqs)	1146	max_poll_reqs (unsigned int nreqs)
923	PROTOTYPE: $	1147	PROTOTYPE: $
924	CODE:	1148	CODE:
…		…
959	PROTOTYPE: $	1183	PROTOTYPE: $
960	CODE:	1184	CODE:
961	max_outstanding = maxreqs;	1185	max_outstanding = maxreqs;
962		1186
963	void	1187	void
964	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1188	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
965	PPCODE:	1189	PPCODE:
966	{	1190	{
967	dREQ;	1191	dREQ;
968		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
969	req->type = EIO_OPEN;	1205	req->type = EIO_OPEN;
970	req->sv1 = newSVsv (pathname);	1206	req_set_path1 (req, pathname);
971	req->ptr1 = SvPVbyte_nolen (req->sv1);
972	req->int1 = flags;	1207	req->int1 = flags;
973	req->int2 = mode;	1208	req->int2 = mode;
974		1209
975	REQ_SEND;	1210	REQ_SEND;
976	}	1211	}
977		1212
978	void	1213	void
979	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1214	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
980	ALIAS:	1215	ALIAS:
981	aio_fsync = EIO_FSYNC	1216	aio_fsync = EIO_FSYNC
982	aio_fdatasync = EIO_FDATASYNC	1217	aio_fdatasync = EIO_FDATASYNC
		1218	aio_syncfs = EIO_SYNCFS
983	PPCODE:	1219	PPCODE:
984	{	1220	{
985	int fd = s_fileno_croak (fh, 0);	1221	int fd = s_fileno_croak (fh, 0);
986	dREQ;	1222	dREQ;
987		1223
988	req->type = ix;	1224	req->type = ix;
989	req->sv1 = newSVsv (fh);	1225	req->sv1 = newSVsv (fh);
990	req->int1 = fd;	1226	req->int1 = fd;
991		1227
992	REQ_SEND (req);	1228	REQ_SEND;
993	}	1229	}
994		1230
995	void	1231	void
996	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)
997	PPCODE:	1233	PPCODE:
998	{	1234	{
999	int fd = s_fileno_croak (fh, 0);	1235	int fd = s_fileno_croak (fh, 0);
1000	dREQ;	1236	dREQ;
1001		1237
1002	req->type = EIO_SYNC_FILE_RANGE;	1238	req->type = EIO_SYNC_FILE_RANGE;
1003	req->sv1 = newSVsv (fh);	1239	req->sv1 = newSVsv (fh);
1004	req->int1 = fd;	1240	req->int1 = fd;
1005	req->offs = offset;	1241	req->offs = offset;
1006	req->size = nbytes;	1242	req->size = nbytes;
1007	req->int2 = flags;	1243	req->int2 = flags;
1008		1244
1009	REQ_SEND (req);	1245	REQ_SEND;
1010	}	1246	}
1011		1247
1012	void	1248	void
1013	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)
1014	PPCODE:	1250	PPCODE:
1015	{	1251	{
1016	int fd = s_fileno_croak (fh, 0);	1252	int fd = s_fileno_croak (fh, 0);
1017	dREQ;	1253	dREQ;
1018		1254
1019	req->type = EIO_FALLOCATE;	1255	req->type = EIO_FALLOCATE;
1020	req->sv1 = newSVsv (fh);	1256	req->sv1 = newSVsv (fh);
1021	req->int1 = fd;	1257	req->int1 = fd;
1022	req->int2 = mode;	1258	req->int2 = mode;
1023	req->offs = offset;	1259	req->offs = offset;
1024	req->size = len;	1260	req->size = len;
1025		1261
1026	REQ_SEND (req);	1262	REQ_SEND;
1027	}	1263	}
1028		1264
1029	void	1265	void
1030	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1266	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1031	PPCODE:	1267	PPCODE:
1032	{	1268	{
1033	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1269	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1034	int fd = s_fileno_croak (fh, 0);	1270	int fd = s_fileno_croak (fh, 0);
1035	dREQ;	1271	dREQ;
1036		1272
1037	if (close_pipe < 0)	1273	if (expect_false (close_fd < 0))
1038	{	1274	{
1039	int pipefd [2];	1275	int pipefd [2];
1040		1276
		1277	if (
		1278	#ifdef _WIN32
		1279	_pipe (pipefd, 1, _O_BINARY) < 0
		1280	#else
1041	if (pipe (pipefd) < 0	1281	pipe (pipefd) < 0
1042	|| close (pipefd [1]) < 0
1043	|| 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	)
1044	abort (); /*D*/	1286	abort (); /*D*/
1045		1287
1046	close_pipe = pipefd [0];	1288	close_fd = pipefd [0];
1047	}	1289	}
1048		1290
1049	req->type = EIO_DUP2;	1291	req->type = EIO_DUP2;
1050	req->int1 = close_pipe;	1292	req->int1 = close_fd;
1051	req->sv2 = newSVsv (fh);	1293	req->sv2 = newSVsv (fh);
1052	req->int2 = fd;	1294	req->int2 = fd;
1053		1295
1054	REQ_SEND (req);	1296	REQ_SEND;
1055	}	1297	}
1056		1298
1057	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
1058	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)
1059	ALIAS:	1317	ALIAS:
1060	aio_read = EIO_READ	1318	aio_read = EIO_READ
1061	aio_write = EIO_WRITE	1319	aio_write = EIO_WRITE
1062	PPCODE:	1320	PPCODE:
1063	{	1321	{
…		…
1079	len = svlen - dataoffset;	1337	len = svlen - dataoffset;
1080	}	1338	}
1081	else	1339	else
1082	{	1340	{
1083	/* read: check type and grow scalar as necessary */	1341	/* read: check type and grow scalar as necessary */
1084	SvUPGRADE (data, SVt_PV);	1342	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1085	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");
1086	}	1346	}
1087		1347
1088	{	1348	{
1089	dREQ;	1349	dREQ;
1090		1350
…		…
1106	REQ_SEND;	1366	REQ_SEND;
1107	}	1367	}
1108	}	1368	}
1109		1369
1110	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
1111	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1411	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1112	ALIAS:	1412	ALIAS:
1113	aio_readlink = EIO_READLINK	1413	aio_readlink = EIO_READLINK
1114	aio_realpath = EIO_REALPATH	1414	aio_realpath = EIO_REALPATH
1115	PPCODE:	1415	PPCODE:
1116	{	1416	{
1117	SV *data;
1118	dREQ;	1417	dREQ;
1119		1418
1120	req->type = ix;	1419	req->type = ix;
1121	req->sv1 = newSVsv (path);	1420	req_set_path1 (req, pathname);
1122	req->ptr1 = SvPVbyte_nolen (req->sv1);
1123		1421
1124	REQ_SEND;	1422	REQ_SEND;
1125	}	1423	}
1126		1424
1127	void	1425	void
1128	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)
1129	PPCODE:	1427	PPCODE:
1130	{	1428	{
1131	int ifd = s_fileno_croak (in_fh , 0);	1429	int ifd = s_fileno_croak (in_fh , 0);
1132	int ofd = s_fileno_croak (out_fh, 1);	1430	int ofd = s_fileno_croak (out_fh, 1);
1133	dREQ;	1431	dREQ;
1134		1432
1135	req->type = EIO_SENDFILE;	1433	req->type = EIO_SENDFILE;
1136	req->sv1 = newSVsv (out_fh);	1434	req->sv1 = newSVsv (out_fh);
1137	req->int1 = ofd;	1435	req->int1 = ofd;
…		…
1142		1440
1143	REQ_SEND;	1441	REQ_SEND;
1144	}	1442	}
1145		1443
1146	void	1444	void
1147	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)
1148	PPCODE:	1446	PPCODE:
1149	{	1447	{
1150	int fd = s_fileno_croak (fh, 0);	1448	int fd = s_fileno_croak (fh, 0);
1151	dREQ;	1449	dREQ;
1152		1450
1153	req->type = EIO_READAHEAD;	1451	req->type = EIO_READAHEAD;
1154	req->sv1 = newSVsv (fh);	1452	req->sv1 = newSVsv (fh);
1155	req->int1 = fd;	1453	req->int1 = fd;
…		…
1158		1456
1159	REQ_SEND;	1457	REQ_SEND;
1160	}	1458	}
1161		1459
1162	void	1460	void
1163	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1461	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1164	ALIAS:	1462	ALIAS:
1165	aio_stat = EIO_STAT	1463	aio_stat = EIO_STAT
1166	aio_lstat = EIO_LSTAT	1464	aio_lstat = EIO_LSTAT
1167	aio_statvfs = EIO_STATVFS	1465	aio_statvfs = EIO_STATVFS
1168	PPCODE:	1466	PPCODE:
1169	{	1467	{
1170	dREQ;	1468	dREQ;
1171		1469
1172	req->sv1 = newSVsv (fh_or_path);	1470	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1173
1174	if (SvPOK (req->sv1))
1175	{
1176	req->type = ix;
1177	req->ptr1 = SvPVbyte_nolen (req->sv1);
1178	}
1179	else
1180	{
1181	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1182	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1183	}
1184		1471
1185	REQ_SEND;	1472	REQ_SEND;
1186	}	1473	}
1187		1474
1188	UV	1475	UV
1189	major (UV dev)	1476	major (UV dev)
1190	ALIAS:	1477	ALIAS:
1191	minor = 1	1478	minor = 1
1192	CODE:	1479	CODE:
1193	RETVAL = ix ? major (dev) : minor (dev);	1480	RETVAL = ix ? minor (dev) : major (dev);
1194	OUTPUT:	1481	OUTPUT:
1195	RETVAL	1482	RETVAL
1196		1483
1197	UV	1484	UV
1198	makedev (UV maj, UV min)	1485	makedev (UV maj, UV min)
…		…
1200	RETVAL = makedev (maj, min);	1487	RETVAL = makedev (maj, min);
1201	OUTPUT:	1488	OUTPUT:
1202	RETVAL	1489	RETVAL
1203		1490
1204	void	1491	void
1205	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)
1206	PPCODE:	1493	PPCODE:
1207	{	1494	{
1208	dREQ;	1495	dREQ;
1209		1496
1210	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1497	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1211	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1498	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1212	req->sv1 = newSVsv (fh_or_path);	1499	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1213
1214	if (SvPOK (req->sv1))
1215	{
1216	req->type = EIO_UTIME;
1217	req->ptr1 = SvPVbyte_nolen (req->sv1);
1218	}
1219	else
1220	{
1221	req->type = EIO_FUTIME;
1222	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1223	}
1224		1500
1225	REQ_SEND;	1501	REQ_SEND;
1226	}	1502	}
1227		1503
1228	void	1504	void
1229	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)
1230	PPCODE:	1506	PPCODE:
1231	{	1507	{
1232	dREQ;	1508	dREQ;
1233		1509
1234	req->sv1 = newSVsv (fh_or_path);
1235	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1510	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1236		1511	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1237	if (SvPOK (req->sv1))
1238	{
1239	req->type = EIO_TRUNCATE;
1240	req->ptr1 = SvPVbyte_nolen (req->sv1);
1241	}
1242	else
1243	{
1244	req->type = EIO_FTRUNCATE;
1245	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1246	}
1247		1512
1248	REQ_SEND;	1513	REQ_SEND;
1249	}	1514	}
1250		1515
1251	void	1516	void
1252	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)
1253	ALIAS:
1254	aio_chmod = EIO_CHMOD
1255	aio_mkdir = EIO_MKDIR
1256	PPCODE:	1518	PPCODE:
1257	{	1519	{
1258	dREQ;	1520	dREQ;
1259		1521
1260	req->int2 = mode;	1522	req->int2 = mode;
1261	req->sv1 = newSVsv (fh_or_path);	1523	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1262
1263	if (SvPOK (req->sv1))
1264	{
1265	req->type = ix;
1266	req->ptr1 = SvPVbyte_nolen (req->sv1);
1267	}
1268	else
1269	{
1270	req->type = EIO_FCHMOD;
1271	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1272	}
1273		1524
1274	REQ_SEND;	1525	REQ_SEND;
1275	}	1526	}
1276		1527
1277	void	1528	void
1278	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)
1279	PPCODE:	1530	PPCODE:
1280	{	1531	{
1281	dREQ;	1532	dREQ;
1282		1533
1283	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1534	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1284	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1535	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1285	req->sv1 = newSVsv (fh_or_path);	1536	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1286
1287	if (SvPOK (req->sv1))
1288	{
1289	req->type = EIO_CHOWN;
1290	req->ptr1 = SvPVbyte_nolen (req->sv1);
1291	}
1292	else
1293	{
1294	req->type = EIO_FCHOWN;
1295	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1296	}
1297		1537
1298	REQ_SEND;	1538	REQ_SEND;
1299	}	1539	}
1300		1540
1301	void	1541	void
1302	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1542	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1303	PPCODE:	1543	PPCODE:
1304	{	1544	{
1305	dREQ;	1545	dREQ;
1306		1546
1307	req->type = EIO_READDIR;	1547	req->type = EIO_READDIR;
1308	req->sv1 = newSVsv (pathname);
1309	req->ptr1 = SvPVbyte_nolen (req->sv1);
1310	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1548	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1311		1549
1312	if (flags & EIO_READDIR_DENTS)	1550	if (flags & EIO_READDIR_DENTS)
1313	req->int1 |= EIO_READDIR_CUSTOM2;	1551	req->int1 |= EIO_READDIR_CUSTOM2;
1314		1552
		1553	req_set_path1 (req, pathname);
		1554
1315	REQ_SEND;	1555	REQ_SEND;
1316	}	1556	}
1317		1557
1318	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
1319	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1572	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1320	ALIAS:	1573	ALIAS:
1321	aio_unlink = EIO_UNLINK	1574	aio_unlink = EIO_UNLINK
1322	aio_rmdir = EIO_RMDIR	1575	aio_rmdir = EIO_RMDIR
1323	aio_readdir = EIO_READDIR	1576	aio_readdir = EIO_READDIR
1324	PPCODE:	1577	PPCODE:
1325	{	1578	{
1326	dREQ;	1579	dREQ;
1327		1580
1328	req->type = ix;	1581	req->type = ix;
1329	req->sv1 = newSVsv (pathname);	1582	req_set_path1 (req, pathname);
1330	req->ptr1 = SvPVbyte_nolen (req->sv1);
1331		1583
1332	REQ_SEND;	1584	REQ_SEND;
1333	}	1585	}
1334		1586
1335	void	1587	void
1336	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1588	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1337	ALIAS:	1589	ALIAS:
1338	aio_link = EIO_LINK	1590	aio_link = EIO_LINK
1339	aio_symlink = EIO_SYMLINK	1591	aio_symlink = EIO_SYMLINK
1340	aio_rename = EIO_RENAME	1592	aio_rename = EIO_RENAME
1341	PPCODE:	1593	PPCODE:
1342	{	1594	{
		1595	eio_wd wd2 = 0;
1343	dREQ;	1596	dREQ;
1344		1597
1345	req->type = ix;	1598	req->type = ix;
1346	req->sv1 = newSVsv (oldpath);	1599	req_set_path1 (req, oldpath);
1347	req->ptr1 = SvPVbyte_nolen (req->sv1);	1600	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1348	req->sv2 = newSVsv (newpath);	1601	req->int3 = (long)wd2;
1349	req->ptr2 = SvPVbyte_nolen (req->sv2);
1350		1602
1351	REQ_SEND;	1603	REQ_SEND;
1352	}	1604	}
1353		1605
1354	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
1355	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)
1356	PPCODE:	1624	PPCODE:
1357	{	1625	{
1358	dREQ;	1626	dREQ;
1359		1627
1360	req->type = EIO_MKNOD;	1628	req->type = EIO_MKNOD;
1361	req->sv1 = newSVsv (pathname);
1362	req->ptr1 = SvPVbyte_nolen (req->sv1);
1363	req->int2 = (mode_t)mode;	1629	req->int2 = (mode_t)mode;
1364	req->offs = dev;	1630	req->offs = dev;
		1631	req_set_path1 (req, pathname);
1365		1632
1366	REQ_SEND;	1633	REQ_SEND;
1367	}	1634	}
1368		1635
1369	void	1636	void
1370	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)
1371	ALIAS:	1638	ALIAS:
1372	aio_mtouch = EIO_MTOUCH	1639	aio_mtouch = EIO_MTOUCH
1373	aio_msync = EIO_MSYNC	1640	aio_msync = EIO_MSYNC
1374	PPCODE:	1641	PPCODE:
1375	{	1642	{
1376	STRLEN svlen;	1643	STRLEN svlen;
1377	char *svptr = SvPVbyte (data, svlen);	1644	char *svptr = SvPVbyte (data, svlen);
1378	UV len = SvUV (length);	1645	UV len = SvUV (length);
		1646
		1647	if (flags < 0)
		1648	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1379		1649
1380	if (offset < 0)	1650	if (offset < 0)
1381	offset += svlen;	1651	offset += svlen;
1382		1652
1383	if (offset < 0 || offset > svlen)	1653	if (offset < 0 || offset > svlen)
…		…
1398	REQ_SEND;	1668	REQ_SEND;
1399	}	1669	}
1400	}	1670	}
1401		1671
1402	void	1672	void
1403	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)
1404	PPCODE:	1674	PPCODE:
1405	{	1675	{
1406	STRLEN svlen;	1676	STRLEN svlen;
1407	char *svptr = SvPVbyte (data, svlen);	1677	char *svptr = SvPVbyte (data, svlen);
1408	UV len = SvUV (length);	1678	UV len = SvUV (length);
…		…
1427	REQ_SEND;	1697	REQ_SEND;
1428	}	1698	}
1429	}	1699	}
1430		1700
1431	void	1701	void
1432	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1702	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1433	PPCODE:	1703	PPCODE:
1434	{	1704	{
1435	dREQ;	1705	dREQ;
1436		1706
1437	req->type = EIO_MLOCKALL;	1707	req->type = EIO_MLOCKALL;
…		…
1439		1709
1440	REQ_SEND;	1710	REQ_SEND;
1441	}	1711	}
1442		1712
1443	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
1444	aio_busy (double delay, SV *callback=&PL_sv_undef)	1737	aio_busy (double delay, SV *callback = &PL_sv_undef)
1445	PPCODE:	1738	PPCODE:
1446	{	1739	{
1447	dREQ;	1740	dREQ;
1448		1741
1449	req->type = EIO_BUSY;	1742	req->type = EIO_BUSY;
…		…
1451		1744
1452	REQ_SEND;	1745	REQ_SEND;
1453	}	1746	}
1454		1747
1455	void	1748	void
1456	aio_group (SV *callback=&PL_sv_undef)	1749	aio_group (SV *callback = &PL_sv_undef)
1457	PPCODE:	1750	PPCODE:
1458	{	1751	{
1459	dREQ;	1752	dREQ;
1460		1753
1461	req->type = EIO_GROUP;	1754	req->type = EIO_GROUP;
1462		1755
		1756	PUTBACK;
1463	req_submit (req);	1757	req_submit (req);
		1758	SPAGAIN;
		1759
1464	XPUSHs (req_sv (req, aio_grp_stash));	1760	XPUSHs (req_sv (req, aio_grp_stash));
1465	}	1761	}
1466		1762
1467	void	1763	void
1468	aio_nop (SV *callback=&PL_sv_undef)	1764	aio_nop (SV *callback = &PL_sv_undef)
1469	ALIAS:	1765	ALIAS:
1470	aio_nop = EIO_NOP	1766	aio_nop = EIO_NOP
1471	aio_sync = EIO_SYNC	1767	aio_sync = EIO_SYNC
1472	PPCODE:	1768	PPCODE:
1473	{	1769	{
…		…
1477		1773
1478	REQ_SEND;	1774	REQ_SEND;
1479	}	1775	}
1480		1776
1481	int	1777	int
1482	aioreq_pri (int pri = 0)	1778	aioreq_pri (int pri = NO_INIT)
1483	CODE:	1779	CODE:
1484	RETVAL = next_pri;	1780	RETVAL = next_pri;
1485	if (items > 0)	1781	if (items > 0)
1486	{	1782	{
1487	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1783	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1569	CODE:	1865	CODE:
1570	RETVAL = posix_fadvise (fh, offset, length, advice);	1866	RETVAL = posix_fadvise (fh, offset, length, advice);
1571	OUTPUT:	1867	OUTPUT:
1572	RETVAL	1868	RETVAL
1573		1869
1574	ssize_t	1870	IV
1575	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)
1576	CODE:	1872	CODE:
1577	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1873	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1578	OUTPUT:	1874	OUTPUT:
1579	RETVAL	1875	RETVAL
1580		1876
1581	void	1877	void
1582	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)
1583	PPCODE:	1879	PPCODE:
1584	sv_unmagic (scalar, MMAP_MAGIC);	1880	sv_unmagic (scalar, MMAP_MAGIC);
1585	{	1881	{
1586	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;
1587	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1883	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1614	munmap (SV *scalar)	1910	munmap (SV *scalar)
1615	CODE:	1911	CODE:
1616	sv_unmagic (scalar, MMAP_MAGIC);	1912	sv_unmagic (scalar, MMAP_MAGIC);
1617		1913
1618	int	1914	int
1619	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)
1620	ALIAS:	1916	ALIAS:
1621	mprotect = 1	1917	mprotect = 1
1622	CODE:	1918	CODE:
1623	{	1919	{
1624	STRLEN svlen;	1920	STRLEN svlen;
1625	void *addr = SvPVbyte (scalar, svlen);	1921	void *addr = SvPVbyte (scalar, svlen);
1626	size_t len = SvUV (length);	1922	STRLEN len = SvUV (length);
1627		1923
1628	if (offset < 0)	1924	if (offset < 0)
1629	offset += svlen;	1925	offset += svlen;
1630		1926
1631	if (offset < 0 || offset > svlen)	1927	if (offset < 0 || offset > svlen)
…		…
1645	}	1941	}
1646	OUTPUT:	1942	OUTPUT:
1647	RETVAL	1943	RETVAL
1648		1944
1649	int	1945	int
1650	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1946	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1651	CODE:	1947	CODE:
1652	{	1948	{
1653	STRLEN svlen;	1949	STRLEN svlen;
1654	void *addr = SvPVbyte (scalar, svlen);	1950	void *addr = SvPVbyte (scalar, svlen);
1655	size_t len = SvUV (length);	1951	size_t len = SvUV (length);
1656		1952
1657	if (offset < 0)	1953	if (offset < 0)
1658	offset += svlen;	1954	offset += svlen;
1659		1955
…		…
1666	addr = (void *)(((intptr_t)addr) + offset);	1962	addr = (void *)(((intptr_t)addr) + offset);
1667	eio_page_align (&addr, &len);	1963	eio_page_align (&addr, &len);
1668	#if _POSIX_MEMLOCK_RANGE	1964	#if _POSIX_MEMLOCK_RANGE
1669	RETVAL = munlock (addr, len);	1965	RETVAL = munlock (addr, len);
1670	#else	1966	#else
1671	RETVAL = ((errno = ENOSYS), -1);	1967	RETVAL = EIO_ENOSYS ();
1672	#endif	1968	#endif
1673	}	1969	}
1674	OUTPUT:	1970	OUTPUT:
1675	RETVAL	1971	RETVAL
1676		1972
…		…
1678	munlockall ()	1974	munlockall ()
1679	CODE:	1975	CODE:
1680	#if _POSIX_MEMLOCK	1976	#if _POSIX_MEMLOCK
1681	munlockall ();	1977	munlockall ();
1682	#else	1978	#else
1683	RETVAL = -1;	1979	RETVAL = EIO_ENOSYS ();
1684	errno = ENOSYS;
1685	#endif	1980	#endif
1686	OUTPUT:	1981	OUTPUT:
1687	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	}
1688		2053
1689	void _on_next_submit (SV *cb)	2054	void _on_next_submit (SV *cb)
1690	CODE:	2055	CODE:
1691	SvREFCNT_dec (on_next_submit);	2056	SvREFCNT_dec (on_next_submit);
1692	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2057	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1693		2058
1694	PROTOTYPES: DISABLE	2059	PROTOTYPES: DISABLE
1695		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
1696	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2089	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1697		2090
1698	void	2091	void
1699	cancel (aio_req_ornot req)	2092	cancel (aio_req_ornot req)
1700	CODE:	2093	CODE:
1701	eio_cancel (req);	2094	eio_cancel (req);
1702		2095
1703	void	2096	void
1704	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2097	cb (aio_req_ornot req, SV *callback = NO_INIT)
1705	PPCODE:	2098	PPCODE:
1706	{	2099	{
1707	if (GIMME_V != G_VOID)	2100	if (GIMME_V != G_VOID)
1708	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);
1709		2102
1710	if (items > 1)	2103	if (items > 1)
1711	{	2104	{
1712	SV *cb_cv =get_cb (callback);	2105	SV *cb_cv = get_cb (callback);
1713		2106
1714	SvREFCNT_dec (req->callback);	2107	SvREFCNT_dec (req->callback);
1715	req->callback = SvREFCNT_inc (cb_cv);	2108	req->callback = SvREFCNT_inc (cb_cv);
1716	}	2109	}
1717	}	2110	}
…		…
1774	limit (aio_req grp, int limit)	2167	limit (aio_req grp, int limit)
1775	CODE:	2168	CODE:
1776	eio_grp_limit (grp, limit);	2169	eio_grp_limit (grp, limit);
1777		2170
1778	void	2171	void
1779	feed (aio_req grp, SV *callback=&PL_sv_undef)	2172	feed (aio_req grp, SV *callback = &PL_sv_undef)
1780	CODE:	2173	CODE:
1781	{	2174	{
1782	SvREFCNT_dec (grp->sv2);	2175	SvREFCNT_dec (grp->sv2);
1783	grp->sv2 = newSVsv (callback);	2176	grp->sv2 = newSVsv (callback);
1784	grp->feed = aio_grp_feed;	2177	grp->feed = aio_grp_feed;

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