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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.202 by root, Thu Sep 29 10:01:35 2011 UTC vs.
Revision 1.235 by root, Thu Jun 25 15:47:01 2015 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. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
22	#endif	35	#endif
23		36
24	/* perl namespace pollution */	37	/* perl namespace pollution */
25	#undef VERSION	38	#undef VERSION
26		39
…		…
62	#undef dup	75	#undef dup
63	#undef dup2	76	#undef dup2
64	#undef abort	77	#undef abort
65	#undef pipe	78	#undef pipe
66		79
		80	#define EIO_STRUCT_STAT struct _stati64
		81	#define EIO_STRUCT_STATI64
		82
67	#else	83	#else
68		84
69	#include <sys/time.h>	85	#include <sys/time.h>
70	#include <sys/select.h>	86	#include <sys/select.h>
71	#include <unistd.h>	87	#include <unistd.h>
72	#include <utime.h>	88	#include <utime.h>
73	#include <signal.h>	89	#include <signal.h>
74		90
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	91	#define EIO_STRUCT_STAT Stat_t
78		92
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	93	#endif
89		94
90	/*****************************************************************************/	95	/*****************************************************************************/
91		96
92	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	128	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	129	#define EIO_DESTROY(req) req_destroy (req)
125		130
126	#include "libeio/eio.c"	131	#include "libeio/eio.c"
127		132
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	133	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	135	#endif
196		136
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	137	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# 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	139	#endif
291		140
292	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	142	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
295	# else	144	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	146	# endif
298	#endif	147	#endif
299	#ifndef MAP_HUGETLB	148
300	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	150	/* also provides const_iv_ and const_niv_ macros for them */
302	#ifndef MAP_LOCKED	151	#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		152
315	#ifndef makedev	153	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	154	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	155	#endif
318	#ifndef major	156	#ifndef major
…		…
320	#endif	158	#endif
321	#ifndef minor	159	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	160	# define minor(dev) ((dev) & 0xff)
323	#endif	161	#endif
324		162
325	#ifndef PAGESIZE	163	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	165	#endif
		166
		167	/*****************************************************************************/
		168
		169	static void
		170	fiemap (eio_req *req)
		171	{
		172	req->result = -1;
		173
		174	#if HAVE_FIEMAP
		175	/* assume some c99 */
		176	struct fiemap *fiemap = 0;
		177	size_t end_offset;
		178	int count = req->int3;
		179
		180	req->flags |= EIO_FLAG_PTR1_FREE;
		181
		182	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		183	/* increase in 3.5kb steps */
		184	if (count < 0)
		185	count = 8;
		186
		187	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		188	errno = ENOMEM;
		189	if (!fiemap)
		190	return;
		191
		192	req->ptr1 = fiemap;
		193
		194	fiemap->fm_start = req->offs;
		195	fiemap->fm_length = req->size;
		196	fiemap->fm_flags = req->int2;
		197	fiemap->fm_extent_count = count;
		198
		199	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		200	return;
		201
		202	if (req->int3 >= 0 /* not autosizing */
		203	|| !fiemap->fm_mapped_extents /* no more extents */
		204	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		205	goto done;
		206
		207	/* else we have to loop -
		208	* it would be tempting (actually I tried that first) to just query the
		209	* number of extents needed, but linux often feels like not returning all
		210	* extents, without telling us it left any out. this complicates
		211	* this quite a bit.
		212	*/
		213
		214	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		215
		216	for (;;)
		217	{
		218	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		219	char scratch[3072];
		220	struct fiemap *incmap = (struct fiemap *)scratch;
		221
		222	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		223	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		224	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		225	incmap->fm_flags = fiemap->fm_flags;
		226	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		227
		228	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		229	return;
		230
		231	if (!incmap->fm_mapped_extents)
		232	goto done;
		233
		234	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		235	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		236	errno = ENOMEM;
		237	if (!fiemap)
		238	return;
		239
		240	req->ptr1 = fiemap;
		241
		242	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		243	{
		244	struct fiemap_extent *e = incmap->fm_extents + count;
		245
		246	if (e->fe_logical + e->fe_length >= end_offset)
		247	goto done;
		248
		249	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		250
		251	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		252	goto done;
		253
		254	}
		255	}
		256
		257	done:
		258	req->result = 0;
		259
		260	#else
		261	errno = ENOSYS;
		262	#endif
		263	}
		264
		265	/*****************************************************************************/
328		266
329	enum {	267	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	269	};
332		270
…		…
371	}	309	}
372		310
373	static SV *	311	static SV *
374	newSVaio_wd (aio_wd wd)	312	newSVaio_wd (aio_wd wd)
375	{	313	{
376	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);	314	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377	}	315	}
378		316
379	static aio_req	317	static aio_req
380	SvAIO_REQ (SV *sv)	318	SvAIO_REQ (SV *sv)
381	{	319	{
382	MAGIC *mg;	320	MAGIC *mg;
383		321
384	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
386	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
387	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
388	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
389		328
…		…
394		333
395	static aio_wd	334	static aio_wd
396	SvAIO_WD (SV *sv)	335	SvAIO_WD (SV *sv)
397	{	336	{
398	if (!SvROK (sv)	337	if (!SvROK (sv)
		338	|| SvTYPE (SvRV (sv)) != SVt_PVMG
399	|| SvSTASH (SvRV (sv)) != aio_wd_stash	339	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
400	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
401	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	340	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402		341
403	return (aio_wd)(long)SvIVX (SvRV (sv));	342	return (aio_wd)(long)SvIVX (SvRV (sv));
		343	}
		344
		345	static SV *
		346	newmortalFH (int fd, int flags)
		347	{
		348	if (fd < 0)
		349	return &PL_sv_undef;
		350
		351	GV *gv = (GV *)sv_newmortal ();
		352	char sym[64];
		353	int symlen;
		354
		355	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		356	gv_init (gv, aio_stash, sym, symlen, 0);
		357
		358	symlen = snprintf (
		359	sym,
		360	sizeof (sym),
		361	"%s&=%d",
		362	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		363	fd
		364	);
		365
		366	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		367	? (SV *)gv : &PL_sv_undef;
404	}	368	}
405		369
406	static void	370	static void
407	aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
408	{	372	{
…		…
471	}	435	}
472		436
473	switch (req->type)	437	switch (req->type)
474	{	438	{
475	case EIO_WD_OPEN:	439	case EIO_WD_OPEN:
476	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));	440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
477	break;	441	break;
478		442
479	case EIO_READDIR:	443	case EIO_READDIR:
480	{	444	{
481	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
…		…
536	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	500	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
537	}	501	}
538	break;	502	break;
539		503
540	case EIO_OPEN:	504	case EIO_OPEN:
541	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
542	/* convert fd to fh */
543	SV *fh = &PL_sv_undef;
544
545	if (req->result >= 0)
546	{
547	GV *gv = (GV *)sv_newmortal ();
548	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
549	char sym [64];
550	int symlen;
551
552	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
553	gv_init (gv, aio_stash, sym, symlen, 0);
554
555	symlen = snprintf (
556	sym,
557	sizeof (sym),
558	"%s&=%d",
559	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
560	(int)req->result
561	);
562
563	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
564	fh = (SV *)gv;
565	}
566
567	PUSHs (fh);
568	}
569	break;	506	break;
570		507
571	case EIO_STATVFS:	508	case EIO_STATVFS:
572	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
573	{	510	{
…		…
576	#ifndef _WIN32	513	#ifndef _WIN32
577	if (req->result >= 0)	514	if (req->result >= 0)
578	{	515	{
579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580	HV *hv = newHV ();	517	HV *hv = newHV ();
		518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		519	* chooses to make it a struct.
		520	*/
		521	unsigned long fsid = 0;
		522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581		523
582	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
583		525
584	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	526	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
585	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	527	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
587	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	529	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
588	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	530	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
589	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	531	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
590	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	532	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
591	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	533	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
592	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	535	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
594	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595	}	537	}
596	#endif	538	#endif
597		539
…		…
632	if (!(PL_laststatval = req->result))	574	if (!(PL_laststatval = req->result))
633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635		577
636	PUSHs (sv_result);	578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637	break;	583	break;
638		584
639	case EIO_READ:	585	case EIO_READ:
640	{	586	{
641	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	587	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
644	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
645	PUSHs (sv_result);	591	PUSHs (sv_result);
646	}	592	}
647	break;	593	break;
648		594
		595	case EIO_CUSTOM:
		596	if (req->feed == fiemap)
		597	{
		598	#if HAVE_FIEMAP
		599	if (!req->result)
		600	{
		601	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		602
		603	if (fiemap->fm_extent_count)
		604	{
		605	AV *av = newAV ();
		606	int i;
		607
		608	while (fiemap->fm_mapped_extents)
		609	{
		610	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		611	AV *ext_av = newAV ();
		612
		613	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		614	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		615	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		616	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		617
		618	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		619	}
		620
		621	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		622	}
		623	else
		624	{
		625	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		626	PUSHs (sv_result);
		627	}
		628	}
		629	#endif
		630	}
		631	else
		632	PUSHs (sv_result);
		633	break;
		634
649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650	if (req->result > 0)	636	if (req->result > 0)
651	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
652	/* FALLTHROUGH */	638	/* FALLTHROUGH */
653		639
…		…
689	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
690	SvREFCNT_dec (req->sv3);	676	SvREFCNT_dec (req->sv3);
691	SvREFCNT_dec (req->sv4);	677	SvREFCNT_dec (req->sv4);
692	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
693		679
694	Safefree (req);	680	free (req);
695	}	681	}
696		682
697	static void	683	static void
698	req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
699	{	685	{
…		…
760	}	746	}
761		747
762	/*****************************************************************************/	748	/*****************************************************************************/
763		749
764	#if !_POSIX_MAPPED_FILES	750	#if !_POSIX_MAPPED_FILES
765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
766	# define munmap(addr,length) (errno = ENOSYS, -1)	752	# define munmap(addr,length) EIO_ENOSYS ()
767	#endif	753	#endif
768		754
769	#if !_POSIX_MEMORY_PROTECTION	755	#if !_POSIX_MEMORY_PROTECTION
770	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
771	# define PROT_NONE 0
772	# define PROT_WRITE 0
773	# define MAP_PRIVATE 0
774	# define MAP_SHARED 0
775	# define MAP_FIXED 0
776	#endif	757	#endif
777		758
778	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
779		760
780	static int ecb_cold	761	static int ecb_cold
…		…
809	{	790	{
810	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
811	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
812	}	793	}
813		794
		795	static aio_req ecb_noinline
		796	dreq (SV *callback)
		797	{
		798	SV *cb_cv;
		799	aio_req req;
		800	int req_pri = next_pri;
		801	next_pri = EIO_PRI_DEFAULT;
		802
		803	cb_cv = get_cb (callback);
		804
		805	req = calloc (sizeof (*req), 1);
		806	if (!req)
		807	croak ("out of memory during eio_req allocation");
		808
		809	req->callback = SvREFCNT_inc (cb_cv);
		810	req->pri = req_pri;
		811
		812	return req;
		813	}
		814
814	#define dREQ \	815	#define dREQ \
815	SV *cb_cv; \	816	aio_req req = dreq (callback); \
816	aio_req req; \
817	int req_pri = next_pri; \
818	next_pri = EIO_PRI_DEFAULT; \
819	\
820	cb_cv = get_cb (callback); \
821	\
822	Newz (0, req, 1, eio_req); \
823	if (!req) \
824	croak ("out of memory during eio_req allocation"); \
825	\
826	req->callback = SvREFCNT_inc (cb_cv); \
827	req->pri = req_pri
828		817
829	#define REQ_SEND \	818	#define REQ_SEND \
830	PUTBACK; \	819	PUTBACK; \
831	req_submit (req); \	820	req_submit (req); \
832	SPAGAIN; \	821	SPAGAIN; \
…		…
837	ecb_inline void	826	ecb_inline void
838	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	827	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
839	{	828	{
840	if (expect_false (SvROK (path)))	829	if (expect_false (SvROK (path)))
841	{	830	{
842	AV *av = (AV *)SvRV (path);	831	SV *rv = SvRV (path);
843	SV *wdob;	832	SV *wdob;
844		833
845	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)	834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
846	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
847
848	path = AvARRAY (av)[1];
849	wdob = AvARRAY (av)[0];
850
851	if (SvOK (wdob))
852	{	835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
853	*wd = SvAIO_WD (wdob);	841	*wd = SvAIO_WD (wdob);
854	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	842	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		843	}
		844	else
		845	*wd = EIO_INVALID_WD;
		846	}
		847	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		848	{
		849	*wd = (aio_wd)(long)SvIVX (rv);
		850	*wdsv = SvREFCNT_inc_NN (rv);
		851	*ptr = ".";
		852	return; /* path set to "." */
855	}	853	}
856	else	854	else
857	*wd = EIO_INVALID_WD;	855	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
858	}	856	}
859		857
860	*pathsv = newSVsv (path);	858	*pathsv = newSVsv (path);
861	*ptr = SvPVbyte_nolen (*pathsv);	859	*ptr = SvPVbyte_nolen (*pathsv);
862	}	860	}
…		…
902	IV iv;	900	IV iv;
903	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
904	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
905	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
906	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
		905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
		908	const_iv (ENOSYS)
907	const_iv (EXDEV)	909	const_iv (EXDEV)
908	const_iv (ENOSYS)	910	const_iv (EBADR)
		911
		912	/* for lseek */
		913	const_iv (SEEK_DATA)
		914	const_iv (SEEK_HOLE)
		915
		916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		922
		923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		928
		929	/* the second block will be 0 when missing */
909	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
910	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
911	const_iv (O_RDWR)	932	const_iv (O_RDWR)
912	const_iv (O_CREAT)	933	const_iv (O_CREAT)
913	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
…		…
926	const_iv (O_SEARCH)	947	const_iv (O_SEARCH)
927	const_iv (O_DIRECTORY)	948	const_iv (O_DIRECTORY)
928	const_iv (O_DSYNC)	949	const_iv (O_DSYNC)
929	const_iv (O_RSYNC)	950	const_iv (O_RSYNC)
930	const_iv (O_SYNC)	951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
931	const_iv (O_TTY_INIT)	954	const_iv (O_TTY_INIT)
932		955
933	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
934	const_iv (S_IFCHR)	957	const_iv (S_IFCHR)
935	const_iv (S_IFBLK)	958	const_iv (S_IFBLK)
…		…
937	const_iv (S_IFREG)	960	const_iv (S_IFREG)
938	const_iv (S_IFDIR)	961	const_iv (S_IFDIR)
939	const_iv (S_IFWHT)	962	const_iv (S_IFWHT)
940	const_iv (S_IFSOCK)	963	const_iv (S_IFSOCK)
941	const_iv (S_IFMT)	964	const_iv (S_IFMT)
942
943	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
944	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
945	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
946	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
947	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
948	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
949
950	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
951	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
952	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
953	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
954	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
955		965
956	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
957	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
958	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
959	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
969	const_iv (PROT_NONE)	979	const_iv (PROT_NONE)
970	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
971	const_iv (PROT_READ)	981	const_iv (PROT_READ)
972	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
973		983
974	/*const_iv (MAP_FIXED)*/
975	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
976	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
977	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
978		988
979	/* linuxish */	989	/* linuxish */
980	const_iv (MAP_HUGETLB)	990	const_iv (MAP_HUGETLB)
981	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
982	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
983	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
984	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 (FIEMAP_FLAG_SYNC)
		1001	const_iv (FIEMAP_FLAG_XATTR)
		1002	const_iv (FIEMAP_FLAGS_COMPAT)
		1003	const_iv (FIEMAP_EXTENT_LAST)
		1004	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1005	const_iv (FIEMAP_EXTENT_DELALLOC)
		1006	const_iv (FIEMAP_EXTENT_ENCODED)
		1007	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1008	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1009	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1010	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1011	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1012	const_iv (FIEMAP_EXTENT_MERGED)
		1013	const_iv (FIEMAP_EXTENT_SHARED)
		1014
		1015	const_iv (SPLICE_F_MOVE)
		1016	const_iv (SPLICE_F_NONBLOCK)
		1017	const_iv (SPLICE_F_MORE)
		1018	const_iv (SPLICE_F_GIFT)
		1019
		1020	/* these are libeio constants, and are independent of gendef0 */
		1021	const_eio (SEEK_SET)
		1022	const_eio (SEEK_CUR)
		1023	const_eio (SEEK_END)
985		1024
986	const_eio (MCL_FUTURE)	1025	const_eio (MCL_FUTURE)
987	const_eio (MCL_CURRENT)	1026	const_eio (MCL_CURRENT)
988		1027
989	const_eio (MS_ASYNC)	1028	const_eio (MS_ASYNC)
…		…
995	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1034	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
996	const_eio (SYNC_FILE_RANGE_WRITE)	1035	const_eio (SYNC_FILE_RANGE_WRITE)
997	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1036	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
998		1037
999	const_eio (FALLOC_FL_KEEP_SIZE)	1038	const_eio (FALLOC_FL_KEEP_SIZE)
		1039	const_eio (FALLOC_FL_PUNCH_HOLE)
		1040	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1041	const_eio (FALLOC_FL_ZERO_RANGE)
1000		1042
1001	const_eio (READDIR_DENTS)	1043	const_eio (READDIR_DENTS)
1002	const_eio (READDIR_DIRS_FIRST)	1044	const_eio (READDIR_DIRS_FIRST)
1003	const_eio (READDIR_STAT_ORDER)	1045	const_eio (READDIR_STAT_ORDER)
1004	const_eio (READDIR_FOUND_UNKNOWN)	1046	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1072	PROTOTYPE: $	1114	PROTOTYPE: $
1073	CODE:	1115	CODE:
1074	max_outstanding = maxreqs;	1116	max_outstanding = maxreqs;
1075		1117
1076	void	1118	void
1077	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1119	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1078	PPCODE:	1120	PPCODE:
1079	{	1121	{
1080	dREQ;	1122	dREQ;
1081		1123
1082	req->type = EIO_WD_OPEN;	1124	req->type = EIO_WD_OPEN;
…		…
1084		1126
1085	REQ_SEND;	1127	REQ_SEND;
1086	}	1128	}
1087		1129
1088	void	1130	void
1089	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1131	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1090	PPCODE:	1132	PPCODE:
1091	{	1133	{
1092	dREQ;	1134	dREQ;
1093		1135
1094	req->type = EIO_OPEN;	1136	req->type = EIO_OPEN;
…		…
1098		1140
1099	REQ_SEND;	1141	REQ_SEND;
1100	}	1142	}
1101		1143
1102	void	1144	void
1103	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1145	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1104	ALIAS:	1146	ALIAS:
1105	aio_fsync = EIO_FSYNC	1147	aio_fsync = EIO_FSYNC
1106	aio_fdatasync = EIO_FDATASYNC	1148	aio_fdatasync = EIO_FDATASYNC
1107	aio_syncfs = EIO_SYNCFS	1149	aio_syncfs = EIO_SYNCFS
1108	PPCODE:	1150	PPCODE:
1109	{	1151	{
1110	int fd = s_fileno_croak (fh, 0);	1152	int fd = s_fileno_croak (fh, 0);
1111	dREQ;	1153	dREQ;
1112		1154
1113	req->type = ix;	1155	req->type = ix;
1114	req->sv1 = newSVsv (fh);	1156	req->sv1 = newSVsv (fh);
1115	req->int1 = fd;	1157	req->int1 = fd;
1116		1158
1117	REQ_SEND (req);	1159	REQ_SEND;
1118	}	1160	}
1119		1161
1120	void	1162	void
1121	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1163	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1122	PPCODE:	1164	PPCODE:
1123	{	1165	{
1124	int fd = s_fileno_croak (fh, 0);	1166	int fd = s_fileno_croak (fh, 0);
1125	dREQ;	1167	dREQ;
1126		1168
1127	req->type = EIO_SYNC_FILE_RANGE;	1169	req->type = EIO_SYNC_FILE_RANGE;
1128	req->sv1 = newSVsv (fh);	1170	req->sv1 = newSVsv (fh);
1129	req->int1 = fd;	1171	req->int1 = fd;
1130	req->offs = offset;	1172	req->offs = offset;
1131	req->size = nbytes;	1173	req->size = nbytes;
1132	req->int2 = flags;	1174	req->int2 = flags;
1133		1175
1134	REQ_SEND (req);	1176	REQ_SEND;
1135	}	1177	}
1136		1178
1137	void	1179	void
1138	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1180	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1139	PPCODE:	1181	PPCODE:
1140	{	1182	{
1141	int fd = s_fileno_croak (fh, 0);	1183	int fd = s_fileno_croak (fh, 0);
1142	dREQ;	1184	dREQ;
1143		1185
1144	req->type = EIO_FALLOCATE;	1186	req->type = EIO_FALLOCATE;
1145	req->sv1 = newSVsv (fh);	1187	req->sv1 = newSVsv (fh);
1146	req->int1 = fd;	1188	req->int1 = fd;
1147	req->int2 = mode;	1189	req->int2 = mode;
1148	req->offs = offset;	1190	req->offs = offset;
1149	req->size = len;	1191	req->size = len;
1150		1192
1151	REQ_SEND (req);	1193	REQ_SEND;
1152	}	1194	}
1153		1195
1154	void	1196	void
1155	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1197	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1156	PPCODE:	1198	PPCODE:
1157	{	1199	{
1158	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1200	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1159	int fd = s_fileno_croak (fh, 0);	1201	int fd = s_fileno_croak (fh, 0);
1160	dREQ;	1202	dREQ;
1161		1203
1162	if (expect_false (close_fd < 0))	1204	if (expect_false (close_fd < 0))
1163	{	1205	{
1164	int pipefd [2];	1206	int pipefd [2];
…		…
1180	req->type = EIO_DUP2;	1222	req->type = EIO_DUP2;
1181	req->int1 = close_fd;	1223	req->int1 = close_fd;
1182	req->sv2 = newSVsv (fh);	1224	req->sv2 = newSVsv (fh);
1183	req->int2 = fd;	1225	req->int2 = fd;
1184		1226
1185	REQ_SEND (req);	1227	REQ_SEND;
1186	}	1228	}
1187		1229
1188	void	1230	void
		1231	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1232	PPCODE:
		1233	{
		1234	int fd = s_fileno_croak (fh, 0);
		1235	dREQ;
		1236
		1237	req->type = EIO_SEEK;
		1238	req->sv1 = newSVsv (fh);
		1239	req->int1 = fd;
		1240	req->offs = SvVAL64 (offset);
		1241	req->int2 = whence;
		1242
		1243	REQ_SEND;
		1244	}
		1245
		1246	void
1189	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1247	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1190	ALIAS:	1248	ALIAS:
1191	aio_read = EIO_READ	1249	aio_read = EIO_READ
1192	aio_write = EIO_WRITE	1250	aio_write = EIO_WRITE
1193	PPCODE:	1251	PPCODE:
1194	{	1252	{
…		…
1210	len = svlen - dataoffset;	1268	len = svlen - dataoffset;
1211	}	1269	}
1212	else	1270	else
1213	{	1271	{
1214	/* read: check type and grow scalar as necessary */	1272	/* read: check type and grow scalar as necessary */
1215	SvUPGRADE (data, SVt_PV);	1273	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1216	svptr = SvGROW (data, len + dataoffset + 1);	1274	svptr = sv_grow (data, len + dataoffset + 1);
		1275	else if (SvCUR (data) < len + dataoffset)
		1276	croak ("length + dataoffset outside of scalar, and cannot grow");
1217	}	1277	}
1218		1278
1219	{	1279	{
1220	dREQ;	1280	dREQ;
1221		1281
…		…
1237	REQ_SEND;	1297	REQ_SEND;
1238	}	1298	}
1239	}	1299	}
1240		1300
1241	void	1301	void
1242	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1302	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1243	ALIAS:	1303	ALIAS:
1244	aio_readlink = EIO_READLINK	1304	aio_readlink = EIO_READLINK
1245	aio_realpath = EIO_REALPATH	1305	aio_realpath = EIO_REALPATH
1246	PPCODE:	1306	PPCODE:
1247	{	1307	{
…		…
1252		1312
1253	REQ_SEND;	1313	REQ_SEND;
1254	}	1314	}
1255		1315
1256	void	1316	void
1257	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1317	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1258	PPCODE:	1318	PPCODE:
1259	{	1319	{
1260	int ifd = s_fileno_croak (in_fh , 0);	1320	int ifd = s_fileno_croak (in_fh , 0);
1261	int ofd = s_fileno_croak (out_fh, 1);	1321	int ofd = s_fileno_croak (out_fh, 1);
1262	dREQ;	1322	dREQ;
1263		1323
1264	req->type = EIO_SENDFILE;	1324	req->type = EIO_SENDFILE;
1265	req->sv1 = newSVsv (out_fh);	1325	req->sv1 = newSVsv (out_fh);
1266	req->int1 = ofd;	1326	req->int1 = ofd;
…		…
1271		1331
1272	REQ_SEND;	1332	REQ_SEND;
1273	}	1333	}
1274		1334
1275	void	1335	void
1276	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1336	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1277	PPCODE:	1337	PPCODE:
1278	{	1338	{
1279	int fd = s_fileno_croak (fh, 0);	1339	int fd = s_fileno_croak (fh, 0);
1280	dREQ;	1340	dREQ;
1281		1341
1282	req->type = EIO_READAHEAD;	1342	req->type = EIO_READAHEAD;
1283	req->sv1 = newSVsv (fh);	1343	req->sv1 = newSVsv (fh);
1284	req->int1 = fd;	1344	req->int1 = fd;
…		…
1287		1347
1288	REQ_SEND;	1348	REQ_SEND;
1289	}	1349	}
1290		1350
1291	void	1351	void
1292	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1352	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1293	ALIAS:	1353	ALIAS:
1294	aio_stat = EIO_STAT	1354	aio_stat = EIO_STAT
1295	aio_lstat = EIO_LSTAT	1355	aio_lstat = EIO_LSTAT
1296	aio_statvfs = EIO_STATVFS	1356	aio_statvfs = EIO_STATVFS
1297	PPCODE:	1357	PPCODE:
1298	{	1358	{
1299	dREQ;	1359	dREQ;
1300		1360
1301	req->sv1 = newSVsv (fh_or_path);
1302	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1361	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1362
1303	REQ_SEND;	1363	REQ_SEND;
1304	}	1364	}
1305		1365
1306	UV	1366	UV
1307	major (UV dev)	1367	major (UV dev)
…		…
1318	RETVAL = makedev (maj, min);	1378	RETVAL = makedev (maj, min);
1319	OUTPUT:	1379	OUTPUT:
1320	RETVAL	1380	RETVAL
1321		1381
1322	void	1382	void
1323	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1383	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1324	PPCODE:	1384	PPCODE:
1325	{	1385	{
1326	dREQ;	1386	dREQ;
1327		1387
1328	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1388	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1331		1391
1332	REQ_SEND;	1392	REQ_SEND;
1333	}	1393	}
1334		1394
1335	void	1395	void
1336	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1396	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1337	PPCODE:	1397	PPCODE:
1338	{	1398	{
1339	dREQ;	1399	dREQ;
1340		1400
1341	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1401	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1343		1403
1344	REQ_SEND;	1404	REQ_SEND;
1345	}	1405	}
1346		1406
1347	void	1407	void
1348	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1408	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1349	PPCODE:	1409	PPCODE:
1350	{	1410	{
1351	dREQ;	1411	dREQ;
1352		1412
1353	req->int2 = mode;	1413	req->int2 = mode;
…		…
1355		1415
1356	REQ_SEND;	1416	REQ_SEND;
1357	}	1417	}
1358		1418
1359	void	1419	void
1360	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1420	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1361	PPCODE:	1421	PPCODE:
1362	{	1422	{
1363	dREQ;	1423	dREQ;
1364		1424
1365	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1425	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1368		1428
1369	REQ_SEND;	1429	REQ_SEND;
1370	}	1430	}
1371		1431
1372	void	1432	void
1373	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1433	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1374	PPCODE:	1434	PPCODE:
1375	{	1435	{
1376	dREQ;	1436	dREQ;
1377		1437
1378	req->type = EIO_READDIR;	1438	req->type = EIO_READDIR;
…		…
1385		1445
1386	REQ_SEND;	1446	REQ_SEND;
1387	}	1447	}
1388		1448
1389	void	1449	void
1390	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1450	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1391	PPCODE:	1451	PPCODE:
1392	{	1452	{
1393	dREQ;	1453	dREQ;
1394		1454
1395	req->type = EIO_MKDIR;	1455	req->type = EIO_MKDIR;
…		…
1398		1458
1399	REQ_SEND;	1459	REQ_SEND;
1400	}	1460	}
1401		1461
1402	void	1462	void
1403	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1463	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1404	ALIAS:	1464	ALIAS:
1405	aio_unlink = EIO_UNLINK	1465	aio_unlink = EIO_UNLINK
1406	aio_rmdir = EIO_RMDIR	1466	aio_rmdir = EIO_RMDIR
1407	aio_readdir = EIO_READDIR	1467	aio_readdir = EIO_READDIR
1408	PPCODE:	1468	PPCODE:
…		…
1414		1474
1415	REQ_SEND;	1475	REQ_SEND;
1416	}	1476	}
1417		1477
1418	void	1478	void
1419	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1479	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1420	ALIAS:	1480	ALIAS:
1421	aio_link = EIO_LINK	1481	aio_link = EIO_LINK
1422	aio_symlink = EIO_SYMLINK	1482	aio_symlink = EIO_SYMLINK
1423	aio_rename = EIO_RENAME	1483	aio_rename = EIO_RENAME
1424	PPCODE:	1484	PPCODE:
1425	{	1485	{
		1486	eio_wd wd2 = 0;
1426	dREQ;	1487	dREQ;
1427	eio_wd wd2 = 0;
1428		1488
1429	req->type = ix;	1489	req->type = ix;
1430	req_set_path1 (req, oldpath);	1490	req_set_path1 (req, oldpath);
1431	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1491	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1432	req->int3 = (long)wd2;	1492	req->int3 = (long)wd2;
1433		1493
1434	REQ_SEND;	1494	REQ_SEND;
1435	}	1495	}
1436		1496
1437	void	1497	void
1438	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1498	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1439	PPCODE:	1499	PPCODE:
1440	{	1500	{
1441	dREQ;	1501	dREQ;
1442		1502
1443	req->type = EIO_MKNOD;	1503	req->type = EIO_MKNOD;
…		…
1447		1507
1448	REQ_SEND;	1508	REQ_SEND;
1449	}	1509	}
1450		1510
1451	void	1511	void
1452	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1512	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1453	ALIAS:	1513	ALIAS:
1454	aio_mtouch = EIO_MTOUCH	1514	aio_mtouch = EIO_MTOUCH
1455	aio_msync = EIO_MSYNC	1515	aio_msync = EIO_MSYNC
1456	PPCODE:	1516	PPCODE:
1457	{	1517	{
…		…
1480	REQ_SEND;	1540	REQ_SEND;
1481	}	1541	}
1482	}	1542	}
1483		1543
1484	void	1544	void
1485	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1545	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1486	PPCODE:	1546	PPCODE:
1487	{	1547	{
1488	STRLEN svlen;	1548	STRLEN svlen;
1489	char *svptr = SvPVbyte (data, svlen);	1549	char *svptr = SvPVbyte (data, svlen);
1490	UV len = SvUV (length);	1550	UV len = SvUV (length);
…		…
1509	REQ_SEND;	1569	REQ_SEND;
1510	}	1570	}
1511	}	1571	}
1512		1572
1513	void	1573	void
1514	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1574	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1515	PPCODE:	1575	PPCODE:
1516	{	1576	{
1517	dREQ;	1577	dREQ;
1518		1578
1519	req->type = EIO_MLOCKALL;	1579	req->type = EIO_MLOCKALL;
…		…
1521		1581
1522	REQ_SEND;	1582	REQ_SEND;
1523	}	1583	}
1524		1584
1525	void	1585	void
		1586	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1587	PPCODE:
		1588	{
		1589	int fd = s_fileno_croak (fh, 0);
		1590	dREQ;
		1591
		1592	req->type = EIO_CUSTOM;
		1593	req->sv1 = newSVsv (fh);
		1594	req->int1 = fd;
		1595
		1596	req->feed = fiemap;
		1597	#if HAVE_FIEMAP
		1598	/* keep our fingers crossed that the next two types are 64 bit */
		1599	req->offs = start;
		1600	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1601	req->int2 = flags;
		1602	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1603	#endif
		1604
		1605	REQ_SEND;
		1606	}
		1607
		1608	void
1526	aio_busy (double delay, SV *callback=&PL_sv_undef)	1609	aio_busy (double delay, SV *callback = &PL_sv_undef)
1527	PPCODE:	1610	PPCODE:
1528	{	1611	{
1529	dREQ;	1612	dREQ;
1530		1613
1531	req->type = EIO_BUSY;	1614	req->type = EIO_BUSY;
…		…
1533		1616
1534	REQ_SEND;	1617	REQ_SEND;
1535	}	1618	}
1536		1619
1537	void	1620	void
1538	aio_group (SV *callback=&PL_sv_undef)	1621	aio_group (SV *callback = &PL_sv_undef)
1539	PPCODE:	1622	PPCODE:
1540	{	1623	{
1541	dREQ;	1624	dREQ;
1542		1625
1543	req->type = EIO_GROUP;	1626	req->type = EIO_GROUP;
1544		1627
		1628	PUTBACK;
1545	req_submit (req);	1629	req_submit (req);
		1630	SPAGAIN;
		1631
1546	XPUSHs (req_sv (req, aio_grp_stash));	1632	XPUSHs (req_sv (req, aio_grp_stash));
1547	}	1633	}
1548		1634
1549	void	1635	void
1550	aio_nop (SV *callback=&PL_sv_undef)	1636	aio_nop (SV *callback = &PL_sv_undef)
1551	ALIAS:	1637	ALIAS:
1552	aio_nop = EIO_NOP	1638	aio_nop = EIO_NOP
1553	aio_sync = EIO_SYNC	1639	aio_sync = EIO_SYNC
1554	PPCODE:	1640	PPCODE:
1555	{	1641	{
…		…
1559		1645
1560	REQ_SEND;	1646	REQ_SEND;
1561	}	1647	}
1562		1648
1563	int	1649	int
1564	aioreq_pri (int pri = 0)	1650	aioreq_pri (int pri = NO_INIT)
1565	CODE:	1651	CODE:
1566	RETVAL = next_pri;	1652	RETVAL = next_pri;
1567	if (items > 0)	1653	if (items > 0)
1568	{	1654	{
1569	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1655	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1659	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1745	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1660	OUTPUT:	1746	OUTPUT:
1661	RETVAL	1747	RETVAL
1662		1748
1663	void	1749	void
1664	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1750	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1665	PPCODE:	1751	PPCODE:
1666	sv_unmagic (scalar, MMAP_MAGIC);	1752	sv_unmagic (scalar, MMAP_MAGIC);
1667	{	1753	{
1668	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1754	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1669	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1755	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1696	munmap (SV *scalar)	1782	munmap (SV *scalar)
1697	CODE:	1783	CODE:
1698	sv_unmagic (scalar, MMAP_MAGIC);	1784	sv_unmagic (scalar, MMAP_MAGIC);
1699		1785
1700	int	1786	int
1701	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1787	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1702	ALIAS:	1788	ALIAS:
1703	mprotect = 1	1789	mprotect = 1
1704	CODE:	1790	CODE:
1705	{	1791	{
1706	STRLEN svlen;	1792	STRLEN svlen;
1707	void *addr = SvPVbyte (scalar, svlen);	1793	void *addr = SvPVbyte (scalar, svlen);
1708	size_t len = SvUV (length);	1794	STRLEN len = SvUV (length);
1709		1795
1710	if (offset < 0)	1796	if (offset < 0)
1711	offset += svlen;	1797	offset += svlen;
1712		1798
1713	if (offset < 0 || offset > svlen)	1799	if (offset < 0 || offset > svlen)
…		…
1727	}	1813	}
1728	OUTPUT:	1814	OUTPUT:
1729	RETVAL	1815	RETVAL
1730		1816
1731	int	1817	int
1732	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1818	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1733	CODE:	1819	CODE:
1734	{	1820	{
1735	STRLEN svlen;	1821	STRLEN svlen;
1736	void *addr = SvPVbyte (scalar, svlen);	1822	void *addr = SvPVbyte (scalar, svlen);
1737	size_t len = SvUV (length);	1823	size_t len = SvUV (length);
1738		1824
1739	if (offset < 0)	1825	if (offset < 0)
1740	offset += svlen;	1826	offset += svlen;
1741		1827
…		…
1748	addr = (void *)(((intptr_t)addr) + offset);	1834	addr = (void *)(((intptr_t)addr) + offset);
1749	eio_page_align (&addr, &len);	1835	eio_page_align (&addr, &len);
1750	#if _POSIX_MEMLOCK_RANGE	1836	#if _POSIX_MEMLOCK_RANGE
1751	RETVAL = munlock (addr, len);	1837	RETVAL = munlock (addr, len);
1752	#else	1838	#else
1753	RETVAL = ((errno = ENOSYS), -1);	1839	RETVAL = EIO_ENOSYS ();
1754	#endif	1840	#endif
1755	}	1841	}
1756	OUTPUT:	1842	OUTPUT:
1757	RETVAL	1843	RETVAL
1758		1844
…		…
1760	munlockall ()	1846	munlockall ()
1761	CODE:	1847	CODE:
1762	#if _POSIX_MEMLOCK	1848	#if _POSIX_MEMLOCK
1763	munlockall ();	1849	munlockall ();
1764	#else	1850	#else
1765	RETVAL = -1;	1851	RETVAL = EIO_ENOSYS ();
1766	errno = ENOSYS;
1767	#endif	1852	#endif
1768	OUTPUT:	1853	OUTPUT:
1769	RETVAL	1854	RETVAL
		1855
		1856	int
		1857	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1858	CODE:
		1859	{
		1860	#if HAVE_LINUX_SPLICE
		1861	loff_t off_in_, off_out_;
		1862	RETVAL = splice (
		1863	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1864	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1865	length, flags
		1866	);
		1867	#else
		1868	RETVAL = EIO_ENOSYS ();
		1869	#endif
		1870	}
		1871	OUTPUT:
		1872	RETVAL
		1873
		1874	int
		1875	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1876	CODE:
		1877	#if HAVE_LINUX_SPLICE
		1878	RETVAL = tee (rfh, wfh, length, flags);
		1879	#else
		1880	RETVAL = EIO_ENOSYS ();
		1881	#endif
		1882	OUTPUT:
		1883	RETVAL
		1884
		1885	int
		1886	pipesize (aio_rfd rfh, int new_size = -1)
		1887	PROTOTYPE: $;$
		1888	CODE:
		1889	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1890	if (new_size >= 0)
		1891	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1892	else
		1893	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1894	#else
		1895	errno = ENOSYS;
		1896	RETVAL = -1;
		1897	#endif
		1898	OUTPUT:
		1899	RETVAL
		1900
		1901	void
		1902	pipe2 (int flags = 0)
		1903	PROTOTYPE: ;$
		1904	PPCODE:
		1905	{
		1906	int fd[2];
		1907	int res;
		1908
		1909	if (flags)
		1910	#if HAVE_PIPE2
		1911	res = pipe2 (fd, flags);
		1912	#else
		1913	res = (errno = ENOSYS, -1);
		1914	#endif
		1915	else
		1916	res = pipe (fd);
		1917
		1918	if (!res)
		1919	{
		1920	EXTEND (SP, 2);
		1921	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1922	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1923	}
		1924	}
1770		1925
1771	void _on_next_submit (SV *cb)	1926	void _on_next_submit (SV *cb)
1772	CODE:	1927	CODE:
1773	SvREFCNT_dec (on_next_submit);	1928	SvREFCNT_dec (on_next_submit);
1774	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1929	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1787	DESTROY (SV *self)	1942	DESTROY (SV *self)
1788	CODE:	1943	CODE:
1789	{	1944	{
1790	aio_wd wd = SvAIO_WD (self);	1945	aio_wd wd = SvAIO_WD (self);
1791	#if HAVE_AT	1946	#if HAVE_AT
		1947	{
1792	SV *callback = &PL_sv_undef;	1948	SV *callback = &PL_sv_undef;
1793	dREQ; /* clobbers next_pri :/ */	1949	dREQ; /* clobbers next_pri :/ */
		1950	next_pri = req->pri; /* restore next_pri */
		1951	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1794	req->type = EIO_WD_CLOSE;	1952	req->type = EIO_WD_CLOSE;
1795	req->wd = wd;	1953	req->wd = wd;
1796	REQ_SEND;	1954	REQ_SEND;
		1955	}
1797	#else	1956	#else
1798	eio_wd_close_sync (wd);	1957	eio_wd_close_sync (wd);
1799	#endif	1958	#endif
1800	}	1959	}
1801		1960
…		…
1805	cancel (aio_req_ornot req)	1964	cancel (aio_req_ornot req)
1806	CODE:	1965	CODE:
1807	eio_cancel (req);	1966	eio_cancel (req);
1808		1967
1809	void	1968	void
1810	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1969	cb (aio_req_ornot req, SV *callback = NO_INIT)
1811	PPCODE:	1970	PPCODE:
1812	{	1971	{
1813	if (GIMME_V != G_VOID)	1972	if (GIMME_V != G_VOID)
1814	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1973	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1815		1974
1816	if (items > 1)	1975	if (items > 1)
1817	{	1976	{
1818	SV *cb_cv =get_cb (callback);	1977	SV *cb_cv = get_cb (callback);
1819		1978
1820	SvREFCNT_dec (req->callback);	1979	SvREFCNT_dec (req->callback);
1821	req->callback = SvREFCNT_inc (cb_cv);	1980	req->callback = SvREFCNT_inc (cb_cv);
1822	}	1981	}
1823	}	1982	}
…		…
1880	limit (aio_req grp, int limit)	2039	limit (aio_req grp, int limit)
1881	CODE:	2040	CODE:
1882	eio_grp_limit (grp, limit);	2041	eio_grp_limit (grp, limit);
1883		2042
1884	void	2043	void
1885	feed (aio_req grp, SV *callback=&PL_sv_undef)	2044	feed (aio_req grp, SV *callback = &PL_sv_undef)
1886	CODE:	2045	CODE:
1887	{	2046	{
1888	SvREFCNT_dec (grp->sv2);	2047	SvREFCNT_dec (grp->sv2);
1889	grp->sv2 = newSVsv (callback);	2048	grp->sv2 = newSVsv (callback);
1890	grp->feed = aio_grp_feed;	2049	grp->feed = aio_grp_feed;

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