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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.205 by root, Sat Oct 1 10:53:47 2011 UTC vs.
Revision 1.244 by root, Tue May 30 22:45:52 2017 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
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
		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
22	#endif	36	#endif
23		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
…		…
62	#undef dup	76	#undef dup
63	#undef dup2	77	#undef dup2
64	#undef abort	78	#undef abort
65	#undef pipe	79	#undef pipe
66		80
		81	#define EIO_STRUCT_STAT struct _stati64
		82	#define EIO_STRUCT_STATI64
		83
67	#else	84	#else
68		85
69	#include <sys/time.h>	86	#include <sys/time.h>
70	#include <sys/select.h>	87	#include <sys/select.h>
71	#include <unistd.h>	88	#include <unistd.h>
72	#include <utime.h>	89	#include <utime.h>
73	#include <signal.h>	90	#include <signal.h>
74		91
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
78		93
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	94	#endif
89		95
90	/*****************************************************************************/	96	/*****************************************************************************/
91		97
92	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	129	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	130	#define EIO_DESTROY(req) req_destroy (req)
125		131
126	#include "libeio/eio.c"	132	#include "libeio/eio.c"
127		133
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	134	#if !HAVE_POSIX_FADVISE
194	# 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 */
195	#endif	136	#endif
196		137
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	138	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	140	#endif
291		141
292	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	143	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
295	# else	145	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	147	# endif
298	#endif	148	#endif
299	#ifndef MAP_HUGETLB	149
300	# define MAP_HUGETLB 0	150	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	151	/* also provides const_iv_ and const_niv_ macros for them */
302	#ifndef MAP_LOCKED	152	#include "def0.h"
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		153
315	#ifndef makedev	154	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	155	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	156	#endif
318	#ifndef major	157	#ifndef major
…		…
320	#endif	159	#endif
321	#ifndef minor	160	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	161	# define minor(dev) ((dev) & 0xff)
323	#endif	162	#endif
324		163
325	#ifndef PAGESIZE	164	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	166	#endif
		167
		168	/*****************************************************************************/
		169
		170	static void
		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	/*****************************************************************************/
328		267
329	enum {	268	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	270	};
332		271
…		…
371	}	310	}
372		311
373	static SV *	312	static SV *
374	newSVaio_wd (aio_wd wd)	313	newSVaio_wd (aio_wd wd)
375	{	314	{
376	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377	}	316	}
378		317
379	static aio_req	318	static aio_req
380	SvAIO_REQ (SV *sv)	319	SvAIO_REQ (SV *sv)
381	{	320	{
…		…
400	|| SvTYPE (SvRV (sv)) != SVt_PVMG	339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
401	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
402	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
403		342
404	return (aio_wd)(long)SvIVX (SvRV (sv));	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;
405	}	369	}
406		370
407	static void	371	static void
408	aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
409	{	373	{
…		…
537	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))));
538	}	502	}
539	break;	503	break;
540		504
541	case EIO_OPEN:	505	case EIO_OPEN:
542	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
543	/* convert fd to fh */
544	SV *fh = &PL_sv_undef;
545
546	if (req->result >= 0)
547	{
548	GV *gv = (GV *)sv_newmortal ();
549	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
550	char sym [64];
551	int symlen;
552
553	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
554	gv_init (gv, aio_stash, sym, symlen, 0);
555
556	symlen = snprintf (
557	sym,
558	sizeof (sym),
559	"%s&=%d",
560	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
561	(int)req->result
562	);
563
564	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
565	fh = (SV *)gv;
566	}
567
568	PUSHs (fh);
569	}
570	break;	507	break;
571		508
572	case EIO_STATVFS:	509	case EIO_STATVFS:
573	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
574	{	511	{
…		…
577	#ifndef _WIN32	514	#ifndef _WIN32
578	if (req->result >= 0)	515	if (req->result >= 0)
579	{	516	{
580	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
581	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));
582		524
583	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
584		526
585	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);
586	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);
…		…
588	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);
589	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);
590	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);
591	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);
592	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);
593	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
594	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);
595	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);
596	}	538	}
597	#endif	539	#endif
598		540
…		…
633	if (!(PL_laststatval = req->result))	575	if (!(PL_laststatval = req->result))
634	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
635	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
636		578
637	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)));
638	break;	584	break;
639		585
640	case EIO_READ:	586	case EIO_READ:
641	{	587	{
642	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));
…		…
645	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
646	PUSHs (sv_result);	592	PUSHs (sv_result);
647	}	593	}
648	break;	594	break;
649		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
650	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 */
651	if (req->result > 0)	637	if (req->result > 0)
652	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
653	/* FALLTHROUGH */	639	/* FALLTHROUGH */
654		640
…		…
719	{	705	{
720	while (eio_nreqs ())	706	while (eio_nreqs ())
721	{	707	{
722	int size;	708	int size;
723		709
724	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
725	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
726	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
727		713
728	if (size)	714	if (size)
729	return;	715	return;
730		716
731	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
732		718
733	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
734	}	720	}
735	}	721	}
736		722
…		…
761	}	747	}
762		748
763	/*****************************************************************************/	749	/*****************************************************************************/
764		750
765	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
766	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
767	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
768	#endif	754	#endif
769		755
770	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
771	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
772	# define PROT_NONE 0
773	# define PROT_WRITE 0
774	# define MAP_PRIVATE 0
775	# define MAP_SHARED 0
776	# define MAP_FIXED 0
777	#endif	758	#endif
778		759
779	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
780		761
781	static int ecb_cold	762	static int ecb_cold
…		…
864	else	845	else
865	*wd = EIO_INVALID_WD;	846	*wd = EIO_INVALID_WD;
866	}	847	}
867	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)	848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
868	{	849	{
869	*wd = SvIVX (rv);	850	*wd = (aio_wd)(long)SvIVX (rv);
870	*wdsv = SvREFCNT_inc_NN (rv);	851	*wdsv = SvREFCNT_inc_NN (rv);
871	*ptr = ".";	852	*ptr = ".";
872	return; /* path set to "." */	853	return; /* path set to "." */
873	}	854	}
874	else	855	else
…		…
920	IV iv;	901	IV iv;
921	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
922	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
923	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
924	# 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)
925	const_iv (EXDEV)	910	const_iv (EXDEV)
926	const_iv (ENOSYS)	911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929	const_niv (MADV_FREE , POSIX_MADV_FREE)
		930
		931	/* the second block will be 0 when missing */
927	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
928	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
929	const_iv (O_RDWR)	934	const_iv (O_RDWR)
930	const_iv (O_CREAT)	935	const_iv (O_CREAT)
931	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
…		…
944	const_iv (O_SEARCH)	949	const_iv (O_SEARCH)
945	const_iv (O_DIRECTORY)	950	const_iv (O_DIRECTORY)
946	const_iv (O_DSYNC)	951	const_iv (O_DSYNC)
947	const_iv (O_RSYNC)	952	const_iv (O_RSYNC)
948	const_iv (O_SYNC)	953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
949	const_iv (O_TTY_INIT)	956	const_iv (O_TTY_INIT)
950		957
951	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
952	const_iv (S_IFCHR)	959	const_iv (S_IFCHR)
953	const_iv (S_IFBLK)	960	const_iv (S_IFBLK)
…		…
955	const_iv (S_IFREG)	962	const_iv (S_IFREG)
956	const_iv (S_IFDIR)	963	const_iv (S_IFDIR)
957	const_iv (S_IFWHT)	964	const_iv (S_IFWHT)
958	const_iv (S_IFSOCK)	965	const_iv (S_IFSOCK)
959	const_iv (S_IFMT)	966	const_iv (S_IFMT)
960
961	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
962	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
963	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
964	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
965	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
966	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
967
968	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
969	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
970	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
971	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
972	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
973		967
974	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
975	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
976	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
977	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
987	const_iv (PROT_NONE)	981	const_iv (PROT_NONE)
988	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
989	const_iv (PROT_READ)	983	const_iv (PROT_READ)
990	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
991		985
992	/*const_iv (MAP_FIXED)*/
993	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
994	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
995	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
996		990
997	/* linuxish */	991	/* linuxish */
998	const_iv (MAP_HUGETLB)
999	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
1000	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
1001	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
1002	const_iv (MAP_NONBLOCK)	995	const_iv (MAP_NONBLOCK)
		996	const_iv (MAP_GROWSDOWN)
		997	const_iv (MAP_32BIT)
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_STACK)
		1000
		1001	const_iv (FIFREEZE)
		1002	const_iv (FITHAW)
		1003	const_iv (FITRIM)
		1004	const_iv (FICLONE)
		1005	const_iv (FICLONERANGE)
		1006	const_iv (FIDEDUPERANGE)
		1007
		1008	const_iv (FS_IOC_GETFLAGS)
		1009	const_iv (FS_IOC_SETFLAGS)
		1010	const_iv (FS_IOC_GETVERSION)
		1011	const_iv (FS_IOC_SETVERSION)
		1012	const_iv (FS_IOC_FIEMAP)
		1013	const_iv (FS_IOC_FSGETXATTR)
		1014	const_iv (FS_IOC_FSSETXATTR)
		1015	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1016	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1017	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1018
		1019	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1020
		1021	const_iv (FS_SECRM_FL)
		1022	const_iv (FS_UNRM_FL)
		1023	const_iv (FS_COMPR_FL)
		1024	const_iv (FS_SYNC_FL)
		1025	const_iv (FS_IMMUTABLE_FL)
		1026	const_iv (FS_APPEND_FL)
		1027	const_iv (FS_NODUMP_FL)
		1028	const_iv (FS_NOATIME_FL)
		1029	const_iv (FS_DIRTY_FL)
		1030	const_iv (FS_COMPRBLK_FL)
		1031	const_iv (FS_NOCOMP_FL)
		1032	const_iv (FS_ENCRYPT_FL)
		1033	const_iv (FS_BTREE_FL)
		1034	const_iv (FS_INDEX_FL)
		1035	const_iv (FS_JOURNAL_DATA_FL)
		1036	const_iv (FS_NOTAIL_FL)
		1037	const_iv (FS_DIRSYNC_FL)
		1038	const_iv (FS_TOPDIR_FL)
		1039	const_iv (FS_FL_USER_MODIFIABLE)
		1040
		1041	const_iv (FS_XFLAG_REALTIME)
		1042	const_iv (FS_XFLAG_PREALLOC)
		1043	const_iv (FS_XFLAG_IMMUTABLE)
		1044	const_iv (FS_XFLAG_APPEND)
		1045	const_iv (FS_XFLAG_SYNC)
		1046	const_iv (FS_XFLAG_NOATIME)
		1047	const_iv (FS_XFLAG_NODUMP)
		1048	const_iv (FS_XFLAG_RTINHERIT)
		1049	const_iv (FS_XFLAG_PROJINHERIT)
		1050	const_iv (FS_XFLAG_NOSYMLINKS)
		1051	const_iv (FS_XFLAG_EXTSIZE)
		1052	const_iv (FS_XFLAG_EXTSZINHERIT)
		1053	const_iv (FS_XFLAG_NODEFRAG)
		1054	const_iv (FS_XFLAG_FILESTREAM)
		1055	const_iv (FS_XFLAG_DAX)
		1056	const_iv (FS_XFLAG_HASATTR)
		1057
		1058	const_iv (FIEMAP_FLAG_SYNC)
		1059	const_iv (FIEMAP_FLAG_XATTR)
		1060	const_iv (FIEMAP_FLAGS_COMPAT)
		1061	const_iv (FIEMAP_EXTENT_LAST)
		1062	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1063	const_iv (FIEMAP_EXTENT_DELALLOC)
		1064	const_iv (FIEMAP_EXTENT_ENCODED)
		1065	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1066	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1067	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1068	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1069	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1070	const_iv (FIEMAP_EXTENT_MERGED)
		1071	const_iv (FIEMAP_EXTENT_SHARED)
		1072
		1073	const_iv (SPLICE_F_MOVE)
		1074	const_iv (SPLICE_F_NONBLOCK)
		1075	const_iv (SPLICE_F_MORE)
		1076	const_iv (SPLICE_F_GIFT)
		1077
		1078	/* these are libeio constants, and are independent of gendef0 */
		1079	const_eio (SEEK_SET)
		1080	const_eio (SEEK_CUR)
		1081	const_eio (SEEK_END)
1003		1082
1004	const_eio (MCL_FUTURE)	1083	const_eio (MCL_FUTURE)
1005	const_eio (MCL_CURRENT)	1084	const_eio (MCL_CURRENT)
1006		1085
1007	const_eio (MS_ASYNC)	1086	const_eio (MS_ASYNC)
…		…
1013	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1092	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1014	const_eio (SYNC_FILE_RANGE_WRITE)	1093	const_eio (SYNC_FILE_RANGE_WRITE)
1015	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1094	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1016		1095
1017	const_eio (FALLOC_FL_KEEP_SIZE)	1096	const_eio (FALLOC_FL_KEEP_SIZE)
		1097	const_eio (FALLOC_FL_PUNCH_HOLE)
		1098	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1099	const_eio (FALLOC_FL_ZERO_RANGE)
1018		1100
1019	const_eio (READDIR_DENTS)	1101	const_eio (READDIR_DENTS)
1020	const_eio (READDIR_DIRS_FIRST)	1102	const_eio (READDIR_DIRS_FIRST)
1021	const_eio (READDIR_STAT_ORDER)	1103	const_eio (READDIR_STAT_ORDER)
1022	const_eio (READDIR_FOUND_UNKNOWN)	1104	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1090	PROTOTYPE: $	1172	PROTOTYPE: $
1091	CODE:	1173	CODE:
1092	max_outstanding = maxreqs;	1174	max_outstanding = maxreqs;
1093		1175
1094	void	1176	void
1095	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1177	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1096	PPCODE:	1178	PPCODE:
1097	{	1179	{
1098	dREQ;	1180	dREQ;
1099		1181
1100	req->type = EIO_WD_OPEN;	1182	req->type = EIO_WD_OPEN;
…		…
1102		1184
1103	REQ_SEND;	1185	REQ_SEND;
1104	}	1186	}
1105		1187
1106	void	1188	void
1107	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1189	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1108	PPCODE:	1190	PPCODE:
1109	{	1191	{
1110	dREQ;	1192	dREQ;
1111		1193
1112	req->type = EIO_OPEN;	1194	req->type = EIO_OPEN;
…		…
1116		1198
1117	REQ_SEND;	1199	REQ_SEND;
1118	}	1200	}
1119		1201
1120	void	1202	void
1121	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1203	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1122	ALIAS:	1204	ALIAS:
1123	aio_fsync = EIO_FSYNC	1205	aio_fsync = EIO_FSYNC
1124	aio_fdatasync = EIO_FDATASYNC	1206	aio_fdatasync = EIO_FDATASYNC
1125	aio_syncfs = EIO_SYNCFS	1207	aio_syncfs = EIO_SYNCFS
1126	PPCODE:	1208	PPCODE:
1127	{	1209	{
1128	int fd = s_fileno_croak (fh, 0);	1210	int fd = s_fileno_croak (fh, 0);
1129	dREQ;	1211	dREQ;
1130		1212
1131	req->type = ix;	1213	req->type = ix;
1132	req->sv1 = newSVsv (fh);	1214	req->sv1 = newSVsv (fh);
1133	req->int1 = fd;	1215	req->int1 = fd;
1134		1216
1135	REQ_SEND (req);	1217	REQ_SEND;
1136	}	1218	}
1137		1219
1138	void	1220	void
1139	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1221	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1140	PPCODE:	1222	PPCODE:
1141	{	1223	{
1142	int fd = s_fileno_croak (fh, 0);	1224	int fd = s_fileno_croak (fh, 0);
1143	dREQ;	1225	dREQ;
1144		1226
1145	req->type = EIO_SYNC_FILE_RANGE;	1227	req->type = EIO_SYNC_FILE_RANGE;
1146	req->sv1 = newSVsv (fh);	1228	req->sv1 = newSVsv (fh);
1147	req->int1 = fd;	1229	req->int1 = fd;
1148	req->offs = offset;	1230	req->offs = offset;
1149	req->size = nbytes;	1231	req->size = nbytes;
1150	req->int2 = flags;	1232	req->int2 = flags;
1151		1233
1152	REQ_SEND (req);	1234	REQ_SEND;
1153	}	1235	}
1154		1236
1155	void	1237	void
1156	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1238	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1157	PPCODE:	1239	PPCODE:
1158	{	1240	{
1159	int fd = s_fileno_croak (fh, 0);	1241	int fd = s_fileno_croak (fh, 0);
1160	dREQ;	1242	dREQ;
1161		1243
1162	req->type = EIO_FALLOCATE;	1244	req->type = EIO_FALLOCATE;
1163	req->sv1 = newSVsv (fh);	1245	req->sv1 = newSVsv (fh);
1164	req->int1 = fd;	1246	req->int1 = fd;
1165	req->int2 = mode;	1247	req->int2 = mode;
1166	req->offs = offset;	1248	req->offs = offset;
1167	req->size = len;	1249	req->size = len;
1168		1250
1169	REQ_SEND (req);	1251	REQ_SEND;
1170	}	1252	}
1171		1253
1172	void	1254	void
1173	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1255	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1174	PPCODE:	1256	PPCODE:
1175	{	1257	{
1176	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1258	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1177	int fd = s_fileno_croak (fh, 0);	1259	int fd = s_fileno_croak (fh, 0);
1178	dREQ;	1260	dREQ;
1179		1261
1180	if (expect_false (close_fd < 0))	1262	if (expect_false (close_fd < 0))
1181	{	1263	{
1182	int pipefd [2];	1264	int pipefd [2];
…		…
1198	req->type = EIO_DUP2;	1280	req->type = EIO_DUP2;
1199	req->int1 = close_fd;	1281	req->int1 = close_fd;
1200	req->sv2 = newSVsv (fh);	1282	req->sv2 = newSVsv (fh);
1201	req->int2 = fd;	1283	req->int2 = fd;
1202		1284
1203	REQ_SEND (req);	1285	REQ_SEND;
1204	}	1286	}
1205		1287
1206	void	1288	void
		1289	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1290	PPCODE:
		1291	{
		1292	int fd = s_fileno_croak (fh, 0);
		1293	dREQ;
		1294
		1295	req->type = EIO_SEEK;
		1296	req->sv1 = newSVsv (fh);
		1297	req->int1 = fd;
		1298	req->offs = SvVAL64 (offset);
		1299	req->int2 = whence;
		1300
		1301	REQ_SEND;
		1302	}
		1303
		1304	void
1207	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1305	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1208	ALIAS:	1306	ALIAS:
1209	aio_read = EIO_READ	1307	aio_read = EIO_READ
1210	aio_write = EIO_WRITE	1308	aio_write = EIO_WRITE
1211	PPCODE:	1309	PPCODE:
1212	{	1310	{
…		…
1228	len = svlen - dataoffset;	1326	len = svlen - dataoffset;
1229	}	1327	}
1230	else	1328	else
1231	{	1329	{
1232	/* read: check type and grow scalar as necessary */	1330	/* read: check type and grow scalar as necessary */
1233	SvUPGRADE (data, SVt_PV);	1331	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1234	svptr = SvGROW (data, len + dataoffset + 1);	1332	svptr = sv_grow (data, len + dataoffset + 1);
		1333	else if (SvCUR (data) < len + dataoffset)
		1334	croak ("length + dataoffset outside of scalar, and cannot grow");
1235	}	1335	}
1236		1336
1237	{	1337	{
1238	dREQ;	1338	dREQ;
1239		1339
…		…
1255	REQ_SEND;	1355	REQ_SEND;
1256	}	1356	}
1257	}	1357	}
1258		1358
1259	void	1359	void
		1360	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1361	ALIAS:
		1362	aio_ioctl = EIO_IOCTL
		1363	aio_fcntl = EIO_FCNTL
		1364	PPCODE:
		1365	{
		1366	int fd = s_fileno_croak (fh, 0);
		1367	char *svptr;
		1368
		1369	if (SvPOK (arg) || !SvNIOK (arg))
		1370	{
		1371	STRLEN svlen;
		1372	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1373	#ifdef IOCPARM_LEN
		1374	STRLEN need = IOCPARM_LEN (request);
		1375	#else
		1376	STRLEN need = 256;
		1377	#endif
		1378
		1379	if (svlen < need)
		1380	svptr = SvGROW (arg, need);
		1381	}
		1382	else
		1383	svptr = (char *)SvIV (arg);
		1384
		1385	{
		1386	dREQ;
		1387
		1388	req->type = ix;
		1389	req->sv1 = newSVsv (fh);
		1390	req->int1 = fd;
		1391	req->int2 = (long)request;
		1392	req->sv2 = SvREFCNT_inc (arg);
		1393	req->ptr2 = svptr;
		1394
		1395	REQ_SEND;
		1396	}
		1397	}
		1398
		1399	void
1260	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1400	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1261	ALIAS:	1401	ALIAS:
1262	aio_readlink = EIO_READLINK	1402	aio_readlink = EIO_READLINK
1263	aio_realpath = EIO_REALPATH	1403	aio_realpath = EIO_REALPATH
1264	PPCODE:	1404	PPCODE:
1265	{	1405	{
…		…
1270		1410
1271	REQ_SEND;	1411	REQ_SEND;
1272	}	1412	}
1273		1413
1274	void	1414	void
1275	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1415	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1276	PPCODE:	1416	PPCODE:
1277	{	1417	{
1278	int ifd = s_fileno_croak (in_fh , 0);	1418	int ifd = s_fileno_croak (in_fh , 0);
1279	int ofd = s_fileno_croak (out_fh, 1);	1419	int ofd = s_fileno_croak (out_fh, 1);
1280	dREQ;	1420	dREQ;
1281		1421
1282	req->type = EIO_SENDFILE;	1422	req->type = EIO_SENDFILE;
1283	req->sv1 = newSVsv (out_fh);	1423	req->sv1 = newSVsv (out_fh);
1284	req->int1 = ofd;	1424	req->int1 = ofd;
…		…
1289		1429
1290	REQ_SEND;	1430	REQ_SEND;
1291	}	1431	}
1292		1432
1293	void	1433	void
1294	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1434	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1295	PPCODE:	1435	PPCODE:
1296	{	1436	{
1297	int fd = s_fileno_croak (fh, 0);	1437	int fd = s_fileno_croak (fh, 0);
1298	dREQ;	1438	dREQ;
1299		1439
1300	req->type = EIO_READAHEAD;	1440	req->type = EIO_READAHEAD;
1301	req->sv1 = newSVsv (fh);	1441	req->sv1 = newSVsv (fh);
1302	req->int1 = fd;	1442	req->int1 = fd;
…		…
1305		1445
1306	REQ_SEND;	1446	REQ_SEND;
1307	}	1447	}
1308		1448
1309	void	1449	void
1310	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1450	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1311	ALIAS:	1451	ALIAS:
1312	aio_stat = EIO_STAT	1452	aio_stat = EIO_STAT
1313	aio_lstat = EIO_LSTAT	1453	aio_lstat = EIO_LSTAT
1314	aio_statvfs = EIO_STATVFS	1454	aio_statvfs = EIO_STATVFS
1315	PPCODE:	1455	PPCODE:
…		…
1324	UV	1464	UV
1325	major (UV dev)	1465	major (UV dev)
1326	ALIAS:	1466	ALIAS:
1327	minor = 1	1467	minor = 1
1328	CODE:	1468	CODE:
1329	RETVAL = ix ? major (dev) : minor (dev);	1469	RETVAL = ix ? minor (dev) : major (dev);
1330	OUTPUT:	1470	OUTPUT:
1331	RETVAL	1471	RETVAL
1332		1472
1333	UV	1473	UV
1334	makedev (UV maj, UV min)	1474	makedev (UV maj, UV min)
…		…
1336	RETVAL = makedev (maj, min);	1476	RETVAL = makedev (maj, min);
1337	OUTPUT:	1477	OUTPUT:
1338	RETVAL	1478	RETVAL
1339		1479
1340	void	1480	void
1341	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1481	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1342	PPCODE:	1482	PPCODE:
1343	{	1483	{
1344	dREQ;	1484	dREQ;
1345		1485
1346	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1486	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1349		1489
1350	REQ_SEND;	1490	REQ_SEND;
1351	}	1491	}
1352		1492
1353	void	1493	void
1354	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1494	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1355	PPCODE:	1495	PPCODE:
1356	{	1496	{
1357	dREQ;	1497	dREQ;
1358		1498
1359	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1499	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1361		1501
1362	REQ_SEND;	1502	REQ_SEND;
1363	}	1503	}
1364		1504
1365	void	1505	void
1366	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1506	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1367	PPCODE:	1507	PPCODE:
1368	{	1508	{
1369	dREQ;	1509	dREQ;
1370		1510
1371	req->int2 = mode;	1511	req->int2 = mode;
…		…
1373		1513
1374	REQ_SEND;	1514	REQ_SEND;
1375	}	1515	}
1376		1516
1377	void	1517	void
1378	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1518	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1379	PPCODE:	1519	PPCODE:
1380	{	1520	{
1381	dREQ;	1521	dREQ;
1382		1522
1383	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1523	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1386		1526
1387	REQ_SEND;	1527	REQ_SEND;
1388	}	1528	}
1389		1529
1390	void	1530	void
1391	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1531	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1392	PPCODE:	1532	PPCODE:
1393	{	1533	{
1394	dREQ;	1534	dREQ;
1395		1535
1396	req->type = EIO_READDIR;	1536	req->type = EIO_READDIR;
…		…
1403		1543
1404	REQ_SEND;	1544	REQ_SEND;
1405	}	1545	}
1406		1546
1407	void	1547	void
1408	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1548	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1409	PPCODE:	1549	PPCODE:
1410	{	1550	{
1411	dREQ;	1551	dREQ;
1412		1552
1413	req->type = EIO_MKDIR;	1553	req->type = EIO_MKDIR;
…		…
1416		1556
1417	REQ_SEND;	1557	REQ_SEND;
1418	}	1558	}
1419		1559
1420	void	1560	void
1421	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1561	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1422	ALIAS:	1562	ALIAS:
1423	aio_unlink = EIO_UNLINK	1563	aio_unlink = EIO_UNLINK
1424	aio_rmdir = EIO_RMDIR	1564	aio_rmdir = EIO_RMDIR
1425	aio_readdir = EIO_READDIR	1565	aio_readdir = EIO_READDIR
1426	PPCODE:	1566	PPCODE:
…		…
1432		1572
1433	REQ_SEND;	1573	REQ_SEND;
1434	}	1574	}
1435		1575
1436	void	1576	void
1437	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1577	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1438	ALIAS:	1578	ALIAS:
1439	aio_link = EIO_LINK	1579	aio_link = EIO_LINK
1440	aio_symlink = EIO_SYMLINK	1580	aio_symlink = EIO_SYMLINK
1441	aio_rename = EIO_RENAME	1581	aio_rename = EIO_RENAME
1442	PPCODE:	1582	PPCODE:
1443	{	1583	{
		1584	eio_wd wd2 = 0;
1444	dREQ;	1585	dREQ;
1445	eio_wd wd2 = 0;
1446		1586
1447	req->type = ix;	1587	req->type = ix;
1448	req_set_path1 (req, oldpath);	1588	req_set_path1 (req, oldpath);
1449	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1589	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1450	req->int3 = (long)wd2;	1590	req->int3 = (long)wd2;
1451		1591
1452	REQ_SEND;	1592	REQ_SEND;
1453	}	1593	}
1454		1594
1455	void	1595	void
1456	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1596	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1457	PPCODE:	1597	PPCODE:
1458	{	1598	{
1459	dREQ;	1599	dREQ;
1460		1600
1461	req->type = EIO_MKNOD;	1601	req->type = EIO_MKNOD;
…		…
1465		1605
1466	REQ_SEND;	1606	REQ_SEND;
1467	}	1607	}
1468		1608
1469	void	1609	void
1470	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1610	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1471	ALIAS:	1611	ALIAS:
1472	aio_mtouch = EIO_MTOUCH	1612	aio_mtouch = EIO_MTOUCH
1473	aio_msync = EIO_MSYNC	1613	aio_msync = EIO_MSYNC
1474	PPCODE:	1614	PPCODE:
1475	{	1615	{
1476	STRLEN svlen;	1616	STRLEN svlen;
1477	char *svptr = SvPVbyte (data, svlen);	1617	char *svptr = SvPVbyte (data, svlen);
1478	UV len = SvUV (length);	1618	UV len = SvUV (length);
		1619
		1620	if (flags < 0)
		1621	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1479		1622
1480	if (offset < 0)	1623	if (offset < 0)
1481	offset += svlen;	1624	offset += svlen;
1482		1625
1483	if (offset < 0 || offset > svlen)	1626	if (offset < 0 || offset > svlen)
…		…
1498	REQ_SEND;	1641	REQ_SEND;
1499	}	1642	}
1500	}	1643	}
1501		1644
1502	void	1645	void
1503	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1646	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1504	PPCODE:	1647	PPCODE:
1505	{	1648	{
1506	STRLEN svlen;	1649	STRLEN svlen;
1507	char *svptr = SvPVbyte (data, svlen);	1650	char *svptr = SvPVbyte (data, svlen);
1508	UV len = SvUV (length);	1651	UV len = SvUV (length);
…		…
1527	REQ_SEND;	1670	REQ_SEND;
1528	}	1671	}
1529	}	1672	}
1530		1673
1531	void	1674	void
1532	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1675	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1533	PPCODE:	1676	PPCODE:
1534	{	1677	{
1535	dREQ;	1678	dREQ;
1536		1679
1537	req->type = EIO_MLOCKALL;	1680	req->type = EIO_MLOCKALL;
…		…
1539		1682
1540	REQ_SEND;	1683	REQ_SEND;
1541	}	1684	}
1542		1685
1543	void	1686	void
		1687	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1688	PPCODE:
		1689	{
		1690	int fd = s_fileno_croak (fh, 0);
		1691	dREQ;
		1692
		1693	req->type = EIO_CUSTOM;
		1694	req->sv1 = newSVsv (fh);
		1695	req->int1 = fd;
		1696
		1697	req->feed = fiemap;
		1698	#if HAVE_FIEMAP
		1699	/* keep our fingers crossed that the next two types are 64 bit */
		1700	req->offs = start;
		1701	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1702	req->int2 = flags;
		1703	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1704	#endif
		1705
		1706	REQ_SEND;
		1707	}
		1708
		1709	void
1544	aio_busy (double delay, SV *callback=&PL_sv_undef)	1710	aio_busy (double delay, SV *callback = &PL_sv_undef)
1545	PPCODE:	1711	PPCODE:
1546	{	1712	{
1547	dREQ;	1713	dREQ;
1548		1714
1549	req->type = EIO_BUSY;	1715	req->type = EIO_BUSY;
…		…
1551		1717
1552	REQ_SEND;	1718	REQ_SEND;
1553	}	1719	}
1554		1720
1555	void	1721	void
1556	aio_group (SV *callback=&PL_sv_undef)	1722	aio_group (SV *callback = &PL_sv_undef)
1557	PPCODE:	1723	PPCODE:
1558	{	1724	{
1559	dREQ;	1725	dREQ;
1560		1726
1561	req->type = EIO_GROUP;	1727	req->type = EIO_GROUP;
1562		1728
		1729	PUTBACK;
1563	req_submit (req);	1730	req_submit (req);
		1731	SPAGAIN;
		1732
1564	XPUSHs (req_sv (req, aio_grp_stash));	1733	XPUSHs (req_sv (req, aio_grp_stash));
1565	}	1734	}
1566		1735
1567	void	1736	void
1568	aio_nop (SV *callback=&PL_sv_undef)	1737	aio_nop (SV *callback = &PL_sv_undef)
1569	ALIAS:	1738	ALIAS:
1570	aio_nop = EIO_NOP	1739	aio_nop = EIO_NOP
1571	aio_sync = EIO_SYNC	1740	aio_sync = EIO_SYNC
1572	PPCODE:	1741	PPCODE:
1573	{	1742	{
…		…
1577		1746
1578	REQ_SEND;	1747	REQ_SEND;
1579	}	1748	}
1580		1749
1581	int	1750	int
1582	aioreq_pri (int pri = 0)	1751	aioreq_pri (int pri = NO_INIT)
1583	CODE:	1752	CODE:
1584	RETVAL = next_pri;	1753	RETVAL = next_pri;
1585	if (items > 0)	1754	if (items > 0)
1586	{	1755	{
1587	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1756	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1677	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1846	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1678	OUTPUT:	1847	OUTPUT:
1679	RETVAL	1848	RETVAL
1680		1849
1681	void	1850	void
1682	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1851	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1683	PPCODE:	1852	PPCODE:
1684	sv_unmagic (scalar, MMAP_MAGIC);	1853	sv_unmagic (scalar, MMAP_MAGIC);
1685	{	1854	{
1686	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1855	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1687	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1856	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1714	munmap (SV *scalar)	1883	munmap (SV *scalar)
1715	CODE:	1884	CODE:
1716	sv_unmagic (scalar, MMAP_MAGIC);	1885	sv_unmagic (scalar, MMAP_MAGIC);
1717		1886
1718	int	1887	int
1719	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1888	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1720	ALIAS:	1889	ALIAS:
1721	mprotect = 1	1890	mprotect = 1
1722	CODE:	1891	CODE:
1723	{	1892	{
1724	STRLEN svlen;	1893	STRLEN svlen;
1725	void *addr = SvPVbyte (scalar, svlen);	1894	void *addr = SvPVbyte (scalar, svlen);
1726	size_t len = SvUV (length);	1895	STRLEN len = SvUV (length);
1727		1896
1728	if (offset < 0)	1897	if (offset < 0)
1729	offset += svlen;	1898	offset += svlen;
1730		1899
1731	if (offset < 0 || offset > svlen)	1900	if (offset < 0 || offset > svlen)
…		…
1745	}	1914	}
1746	OUTPUT:	1915	OUTPUT:
1747	RETVAL	1916	RETVAL
1748		1917
1749	int	1918	int
1750	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1919	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1751	CODE:	1920	CODE:
1752	{	1921	{
1753	STRLEN svlen;	1922	STRLEN svlen;
1754	void *addr = SvPVbyte (scalar, svlen);	1923	void *addr = SvPVbyte (scalar, svlen);
1755	size_t len = SvUV (length);	1924	size_t len = SvUV (length);
1756		1925
1757	if (offset < 0)	1926	if (offset < 0)
1758	offset += svlen;	1927	offset += svlen;
1759		1928
…		…
1766	addr = (void *)(((intptr_t)addr) + offset);	1935	addr = (void *)(((intptr_t)addr) + offset);
1767	eio_page_align (&addr, &len);	1936	eio_page_align (&addr, &len);
1768	#if _POSIX_MEMLOCK_RANGE	1937	#if _POSIX_MEMLOCK_RANGE
1769	RETVAL = munlock (addr, len);	1938	RETVAL = munlock (addr, len);
1770	#else	1939	#else
1771	RETVAL = ((errno = ENOSYS), -1);	1940	RETVAL = EIO_ENOSYS ();
1772	#endif	1941	#endif
1773	}	1942	}
1774	OUTPUT:	1943	OUTPUT:
1775	RETVAL	1944	RETVAL
1776		1945
…		…
1778	munlockall ()	1947	munlockall ()
1779	CODE:	1948	CODE:
1780	#if _POSIX_MEMLOCK	1949	#if _POSIX_MEMLOCK
1781	munlockall ();	1950	munlockall ();
1782	#else	1951	#else
1783	RETVAL = -1;	1952	RETVAL = EIO_ENOSYS ();
1784	errno = ENOSYS;
1785	#endif	1953	#endif
1786	OUTPUT:	1954	OUTPUT:
1787	RETVAL	1955	RETVAL
		1956
		1957	int
		1958	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1959	CODE:
		1960	{
		1961	#if HAVE_LINUX_SPLICE
		1962	loff_t off_in_, off_out_;
		1963	RETVAL = splice (
		1964	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1965	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1966	length, flags
		1967	);
		1968	#else
		1969	RETVAL = EIO_ENOSYS ();
		1970	#endif
		1971	}
		1972	OUTPUT:
		1973	RETVAL
		1974
		1975	int
		1976	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1977	CODE:
		1978	#if HAVE_LINUX_SPLICE
		1979	RETVAL = tee (rfh, wfh, length, flags);
		1980	#else
		1981	RETVAL = EIO_ENOSYS ();
		1982	#endif
		1983	OUTPUT:
		1984	RETVAL
		1985
		1986	int
		1987	pipesize (aio_rfd rfh, int new_size = -1)
		1988	PROTOTYPE: $;$
		1989	CODE:
		1990	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1991	if (new_size >= 0)
		1992	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1993	else
		1994	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1995	#else
		1996	errno = ENOSYS;
		1997	RETVAL = -1;
		1998	#endif
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	void
		2003	pipe2 (int flags = 0)
		2004	PROTOTYPE: ;$
		2005	PPCODE:
		2006	{
		2007	int fd[2];
		2008	int res;
		2009
		2010	if (flags)
		2011	#if HAVE_PIPE2
		2012	res = pipe2 (fd, flags);
		2013	#else
		2014	res = (errno = ENOSYS, -1);
		2015	#endif
		2016	else
		2017	res = pipe (fd);
		2018
		2019	if (!res)
		2020	{
		2021	EXTEND (SP, 2);
		2022	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2023	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2024	}
		2025	}
1788		2026
1789	void _on_next_submit (SV *cb)	2027	void _on_next_submit (SV *cb)
1790	CODE:	2028	CODE:
1791	SvREFCNT_dec (on_next_submit);	2029	SvREFCNT_dec (on_next_submit);
1792	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2030	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1827	cancel (aio_req_ornot req)	2065	cancel (aio_req_ornot req)
1828	CODE:	2066	CODE:
1829	eio_cancel (req);	2067	eio_cancel (req);
1830		2068
1831	void	2069	void
1832	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2070	cb (aio_req_ornot req, SV *callback = NO_INIT)
1833	PPCODE:	2071	PPCODE:
1834	{	2072	{
1835	if (GIMME_V != G_VOID)	2073	if (GIMME_V != G_VOID)
1836	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2074	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1837		2075
1838	if (items > 1)	2076	if (items > 1)
1839	{	2077	{
1840	SV *cb_cv =get_cb (callback);	2078	SV *cb_cv = get_cb (callback);
1841		2079
1842	SvREFCNT_dec (req->callback);	2080	SvREFCNT_dec (req->callback);
1843	req->callback = SvREFCNT_inc (cb_cv);	2081	req->callback = SvREFCNT_inc (cb_cv);
1844	}	2082	}
1845	}	2083	}
…		…
1902	limit (aio_req grp, int limit)	2140	limit (aio_req grp, int limit)
1903	CODE:	2141	CODE:
1904	eio_grp_limit (grp, limit);	2142	eio_grp_limit (grp, limit);
1905		2143
1906	void	2144	void
1907	feed (aio_req grp, SV *callback=&PL_sv_undef)	2145	feed (aio_req grp, SV *callback = &PL_sv_undef)
1908	CODE:	2146	CODE:
1909	{	2147	{
1910	SvREFCNT_dec (grp->sv2);	2148	SvREFCNT_dec (grp->sv2);
1911	grp->sv2 = newSVsv (callback);	2149	grp->sv2 = newSVsv (callback);
1912	grp->feed = aio_grp_feed;	2150	grp->feed = aio_grp_feed;

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