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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.203 by root, Thu Sep 29 23:06:24 2011 UTC vs.
Revision 1.242 by root, Tue Jul 12 20:46:33 2016 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 ((IV)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	{
…		…
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	{
…		…
718	{	704	{
719	while (eio_nreqs ())	705	while (eio_nreqs ())
720	{	706	{
721	int size;	707	int size;
722		708
723	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
724	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
725	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
726		712
727	if (size)	713	if (size)
728	return;	714	return;
729		715
730	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
731		717
732	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
733	}	719	}
734	}	720	}
735		721
…		…
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
…		…
819	int req_pri = next_pri;	800	int req_pri = next_pri;
820	next_pri = EIO_PRI_DEFAULT;	801	next_pri = EIO_PRI_DEFAULT;
821		802
822	cb_cv = get_cb (callback);	803	cb_cv = get_cb (callback);
823		804
824	Newz (0, req, 1, eio_req);	805	req = calloc (sizeof (*req), 1);
825	if (!req)	806	if (!req)
826	croak ("out of memory during eio_req allocation");	807	croak ("out of memory during eio_req allocation");
827		808
828	req->callback = SvREFCNT_inc (cb_cv);	809	req->callback = SvREFCNT_inc (cb_cv);
829	req->pri = req_pri;	810	req->pri = req_pri;
…		…
845	ecb_inline void	826	ecb_inline void
846	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)
847	{	828	{
848	if (expect_false (SvROK (path)))	829	if (expect_false (SvROK (path)))
849	{	830	{
850	AV *av = (AV *)SvRV (path);	831	SV *rv = SvRV (path);
851	SV *wdob;	832	SV *wdob;
852		833
853	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)	834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
854	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
855
856	path = AvARRAY (av)[1];
857	wdob = AvARRAY (av)[0];
858
859	if (SvOK (wdob))
860	{	835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
861	*wd = SvAIO_WD (wdob);	841	*wd = SvAIO_WD (wdob);
862	*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 "." */
863	}	853	}
864	else	854	else
865	*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");
866	}	856	}
867		857
868	*pathsv = newSVsv (path);	858	*pathsv = newSVsv (path);
869	*ptr = SvPVbyte_nolen (*pathsv);	859	*ptr = SvPVbyte_nolen (*pathsv);
870	}	860	}
…		…
910	IV iv;	900	IV iv;
911	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
912	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
913	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
914	# 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)
915	const_iv (EXDEV)	909	const_iv (EXDEV)
916	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	const_niv (MADV_FREE , POSIX_MADV_FREE)
		929
		930	/* the second block will be 0 when missing */
917	const_iv (O_RDONLY)	931	const_iv (O_RDONLY)
918	const_iv (O_WRONLY)	932	const_iv (O_WRONLY)
919	const_iv (O_RDWR)	933	const_iv (O_RDWR)
920	const_iv (O_CREAT)	934	const_iv (O_CREAT)
921	const_iv (O_TRUNC)	935	const_iv (O_TRUNC)
…		…
934	const_iv (O_SEARCH)	948	const_iv (O_SEARCH)
935	const_iv (O_DIRECTORY)	949	const_iv (O_DIRECTORY)
936	const_iv (O_DSYNC)	950	const_iv (O_DSYNC)
937	const_iv (O_RSYNC)	951	const_iv (O_RSYNC)
938	const_iv (O_SYNC)	952	const_iv (O_SYNC)
		953	const_iv (O_PATH)
		954	const_iv (O_TMPFILE)
939	const_iv (O_TTY_INIT)	955	const_iv (O_TTY_INIT)
940		956
941	const_iv (S_IFIFO)	957	const_iv (S_IFIFO)
942	const_iv (S_IFCHR)	958	const_iv (S_IFCHR)
943	const_iv (S_IFBLK)	959	const_iv (S_IFBLK)
…		…
945	const_iv (S_IFREG)	961	const_iv (S_IFREG)
946	const_iv (S_IFDIR)	962	const_iv (S_IFDIR)
947	const_iv (S_IFWHT)	963	const_iv (S_IFWHT)
948	const_iv (S_IFSOCK)	964	const_iv (S_IFSOCK)
949	const_iv (S_IFMT)	965	const_iv (S_IFMT)
950
951	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
952	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
953	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
954	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
955	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
956	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
957
958	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
959	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
960	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
961	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
962	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
963		966
964	const_iv (ST_RDONLY)	967	const_iv (ST_RDONLY)
965	const_iv (ST_NOSUID)	968	const_iv (ST_NOSUID)
966	const_iv (ST_NODEV)	969	const_iv (ST_NODEV)
967	const_iv (ST_NOEXEC)	970	const_iv (ST_NOEXEC)
…		…
977	const_iv (PROT_NONE)	980	const_iv (PROT_NONE)
978	const_iv (PROT_EXEC)	981	const_iv (PROT_EXEC)
979	const_iv (PROT_READ)	982	const_iv (PROT_READ)
980	const_iv (PROT_WRITE)	983	const_iv (PROT_WRITE)
981		984
982	/*const_iv (MAP_FIXED)*/
983	const_iv (MAP_PRIVATE)	985	const_iv (MAP_PRIVATE)
984	const_iv (MAP_SHARED)	986	const_iv (MAP_SHARED)
		987	const_iv (MAP_FIXED)
985	const_iv (MAP_ANONYMOUS)	988	const_iv (MAP_ANONYMOUS)
986		989
987	/* linuxish */	990	/* linuxish */
988	const_iv (MAP_HUGETLB)
989	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
990	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
991	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
992	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)
993		1024
994	const_eio (MCL_FUTURE)	1025	const_eio (MCL_FUTURE)
995	const_eio (MCL_CURRENT)	1026	const_eio (MCL_CURRENT)
996		1027
997	const_eio (MS_ASYNC)	1028	const_eio (MS_ASYNC)
…		…
1003	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1034	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1004	const_eio (SYNC_FILE_RANGE_WRITE)	1035	const_eio (SYNC_FILE_RANGE_WRITE)
1005	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1036	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1006		1037
1007	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)
1008		1042
1009	const_eio (READDIR_DENTS)	1043	const_eio (READDIR_DENTS)
1010	const_eio (READDIR_DIRS_FIRST)	1044	const_eio (READDIR_DIRS_FIRST)
1011	const_eio (READDIR_STAT_ORDER)	1045	const_eio (READDIR_STAT_ORDER)
1012	const_eio (READDIR_FOUND_UNKNOWN)	1046	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1080	PROTOTYPE: $	1114	PROTOTYPE: $
1081	CODE:	1115	CODE:
1082	max_outstanding = maxreqs;	1116	max_outstanding = maxreqs;
1083		1117
1084	void	1118	void
1085	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1119	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1086	PPCODE:	1120	PPCODE:
1087	{	1121	{
1088	dREQ;	1122	dREQ;
1089		1123
1090	req->type = EIO_WD_OPEN;	1124	req->type = EIO_WD_OPEN;
…		…
1092		1126
1093	REQ_SEND;	1127	REQ_SEND;
1094	}	1128	}
1095		1129
1096	void	1130	void
1097	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)
1098	PPCODE:	1132	PPCODE:
1099	{	1133	{
1100	dREQ;	1134	dREQ;
1101		1135
1102	req->type = EIO_OPEN;	1136	req->type = EIO_OPEN;
…		…
1106		1140
1107	REQ_SEND;	1141	REQ_SEND;
1108	}	1142	}
1109		1143
1110	void	1144	void
1111	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1145	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1112	ALIAS:	1146	ALIAS:
1113	aio_fsync = EIO_FSYNC	1147	aio_fsync = EIO_FSYNC
1114	aio_fdatasync = EIO_FDATASYNC	1148	aio_fdatasync = EIO_FDATASYNC
1115	aio_syncfs = EIO_SYNCFS	1149	aio_syncfs = EIO_SYNCFS
1116	PPCODE:	1150	PPCODE:
1117	{	1151	{
1118	int fd = s_fileno_croak (fh, 0);	1152	int fd = s_fileno_croak (fh, 0);
1119	dREQ;	1153	dREQ;
1120		1154
1121	req->type = ix;	1155	req->type = ix;
1122	req->sv1 = newSVsv (fh);	1156	req->sv1 = newSVsv (fh);
1123	req->int1 = fd;	1157	req->int1 = fd;
1124		1158
1125	REQ_SEND (req);	1159	REQ_SEND;
1126	}	1160	}
1127		1161
1128	void	1162	void
1129	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)
1130	PPCODE:	1164	PPCODE:
1131	{	1165	{
1132	int fd = s_fileno_croak (fh, 0);	1166	int fd = s_fileno_croak (fh, 0);
1133	dREQ;	1167	dREQ;
1134		1168
1135	req->type = EIO_SYNC_FILE_RANGE;	1169	req->type = EIO_SYNC_FILE_RANGE;
1136	req->sv1 = newSVsv (fh);	1170	req->sv1 = newSVsv (fh);
1137	req->int1 = fd;	1171	req->int1 = fd;
1138	req->offs = offset;	1172	req->offs = offset;
1139	req->size = nbytes;	1173	req->size = nbytes;
1140	req->int2 = flags;	1174	req->int2 = flags;
1141		1175
1142	REQ_SEND (req);	1176	REQ_SEND;
1143	}	1177	}
1144		1178
1145	void	1179	void
1146	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)
1147	PPCODE:	1181	PPCODE:
1148	{	1182	{
1149	int fd = s_fileno_croak (fh, 0);	1183	int fd = s_fileno_croak (fh, 0);
1150	dREQ;	1184	dREQ;
1151		1185
1152	req->type = EIO_FALLOCATE;	1186	req->type = EIO_FALLOCATE;
1153	req->sv1 = newSVsv (fh);	1187	req->sv1 = newSVsv (fh);
1154	req->int1 = fd;	1188	req->int1 = fd;
1155	req->int2 = mode;	1189	req->int2 = mode;
1156	req->offs = offset;	1190	req->offs = offset;
1157	req->size = len;	1191	req->size = len;
1158		1192
1159	REQ_SEND (req);	1193	REQ_SEND;
1160	}	1194	}
1161		1195
1162	void	1196	void
1163	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1197	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1164	PPCODE:	1198	PPCODE:
1165	{	1199	{
1166	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 */
1167	int fd = s_fileno_croak (fh, 0);	1201	int fd = s_fileno_croak (fh, 0);
1168	dREQ;	1202	dREQ;
1169		1203
1170	if (expect_false (close_fd < 0))	1204	if (expect_false (close_fd < 0))
1171	{	1205	{
1172	int pipefd [2];	1206	int pipefd [2];
…		…
1188	req->type = EIO_DUP2;	1222	req->type = EIO_DUP2;
1189	req->int1 = close_fd;	1223	req->int1 = close_fd;
1190	req->sv2 = newSVsv (fh);	1224	req->sv2 = newSVsv (fh);
1191	req->int2 = fd;	1225	req->int2 = fd;
1192		1226
1193	REQ_SEND (req);	1227	REQ_SEND;
1194	}	1228	}
1195		1229
1196	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
1197	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)
1198	ALIAS:	1248	ALIAS:
1199	aio_read = EIO_READ	1249	aio_read = EIO_READ
1200	aio_write = EIO_WRITE	1250	aio_write = EIO_WRITE
1201	PPCODE:	1251	PPCODE:
1202	{	1252	{
…		…
1218	len = svlen - dataoffset;	1268	len = svlen - dataoffset;
1219	}	1269	}
1220	else	1270	else
1221	{	1271	{
1222	/* read: check type and grow scalar as necessary */	1272	/* read: check type and grow scalar as necessary */
1223	SvUPGRADE (data, SVt_PV);	1273	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1224	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");
1225	}	1277	}
1226		1278
1227	{	1279	{
1228	dREQ;	1280	dREQ;
1229		1281
…		…
1245	REQ_SEND;	1297	REQ_SEND;
1246	}	1298	}
1247	}	1299	}
1248		1300
1249	void	1301	void
		1302	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1303	ALIAS:
		1304	aio_ioctl = EIO_IOCTL
		1305	aio_fcntl = EIO_FCNTL
		1306	PPCODE:
		1307	{
		1308	int fd = s_fileno_croak (fh, 0);
		1309	char *svptr;
		1310
		1311	if (SvPOK (arg) || !SvNIOK (arg))
		1312	{
		1313	STRLEN svlen;
		1314	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1315	#ifdef IOCPARM_LEN
		1316	STRLEN need = IOCPARM_LEN (request);
		1317	#else
		1318	STRLEN need = 256;
		1319	#endif
		1320
		1321	if (svlen < need)
		1322	svptr = SvGROW (arg, need);
		1323	}
		1324	else
		1325	svptr = (char *)SvIV (arg);
		1326
		1327	{
		1328	dREQ;
		1329
		1330	req->type = ix;
		1331	req->sv1 = newSVsv (fh);
		1332	req->int1 = fd;
		1333	req->int2 = (long)request;
		1334	req->sv2 = SvREFCNT_inc (arg);
		1335	req->ptr2 = svptr;
		1336
		1337	REQ_SEND;
		1338	}
		1339	}
		1340
		1341	void
1250	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1342	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1251	ALIAS:	1343	ALIAS:
1252	aio_readlink = EIO_READLINK	1344	aio_readlink = EIO_READLINK
1253	aio_realpath = EIO_REALPATH	1345	aio_realpath = EIO_REALPATH
1254	PPCODE:	1346	PPCODE:
1255	{	1347	{
…		…
1260		1352
1261	REQ_SEND;	1353	REQ_SEND;
1262	}	1354	}
1263		1355
1264	void	1356	void
1265	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1357	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1266	PPCODE:	1358	PPCODE:
1267	{	1359	{
1268	int ifd = s_fileno_croak (in_fh , 0);	1360	int ifd = s_fileno_croak (in_fh , 0);
1269	int ofd = s_fileno_croak (out_fh, 1);	1361	int ofd = s_fileno_croak (out_fh, 1);
1270	dREQ;	1362	dREQ;
1271		1363
1272	req->type = EIO_SENDFILE;	1364	req->type = EIO_SENDFILE;
1273	req->sv1 = newSVsv (out_fh);	1365	req->sv1 = newSVsv (out_fh);
1274	req->int1 = ofd;	1366	req->int1 = ofd;
…		…
1279		1371
1280	REQ_SEND;	1372	REQ_SEND;
1281	}	1373	}
1282		1374
1283	void	1375	void
1284	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1376	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1285	PPCODE:	1377	PPCODE:
1286	{	1378	{
1287	int fd = s_fileno_croak (fh, 0);	1379	int fd = s_fileno_croak (fh, 0);
1288	dREQ;	1380	dREQ;
1289		1381
1290	req->type = EIO_READAHEAD;	1382	req->type = EIO_READAHEAD;
1291	req->sv1 = newSVsv (fh);	1383	req->sv1 = newSVsv (fh);
1292	req->int1 = fd;	1384	req->int1 = fd;
…		…
1295		1387
1296	REQ_SEND;	1388	REQ_SEND;
1297	}	1389	}
1298		1390
1299	void	1391	void
1300	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1392	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1301	ALIAS:	1393	ALIAS:
1302	aio_stat = EIO_STAT	1394	aio_stat = EIO_STAT
1303	aio_lstat = EIO_LSTAT	1395	aio_lstat = EIO_LSTAT
1304	aio_statvfs = EIO_STATVFS	1396	aio_statvfs = EIO_STATVFS
1305	PPCODE:	1397	PPCODE:
…		…
1314	UV	1406	UV
1315	major (UV dev)	1407	major (UV dev)
1316	ALIAS:	1408	ALIAS:
1317	minor = 1	1409	minor = 1
1318	CODE:	1410	CODE:
1319	RETVAL = ix ? major (dev) : minor (dev);	1411	RETVAL = ix ? minor (dev) : major (dev);
1320	OUTPUT:	1412	OUTPUT:
1321	RETVAL	1413	RETVAL
1322		1414
1323	UV	1415	UV
1324	makedev (UV maj, UV min)	1416	makedev (UV maj, UV min)
…		…
1326	RETVAL = makedev (maj, min);	1418	RETVAL = makedev (maj, min);
1327	OUTPUT:	1419	OUTPUT:
1328	RETVAL	1420	RETVAL
1329		1421
1330	void	1422	void
1331	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1423	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1332	PPCODE:	1424	PPCODE:
1333	{	1425	{
1334	dREQ;	1426	dREQ;
1335		1427
1336	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1428	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1339		1431
1340	REQ_SEND;	1432	REQ_SEND;
1341	}	1433	}
1342		1434
1343	void	1435	void
1344	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1436	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1345	PPCODE:	1437	PPCODE:
1346	{	1438	{
1347	dREQ;	1439	dREQ;
1348		1440
1349	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1441	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1351		1443
1352	REQ_SEND;	1444	REQ_SEND;
1353	}	1445	}
1354		1446
1355	void	1447	void
1356	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1448	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1357	PPCODE:	1449	PPCODE:
1358	{	1450	{
1359	dREQ;	1451	dREQ;
1360		1452
1361	req->int2 = mode;	1453	req->int2 = mode;
…		…
1363		1455
1364	REQ_SEND;	1456	REQ_SEND;
1365	}	1457	}
1366		1458
1367	void	1459	void
1368	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1460	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1369	PPCODE:	1461	PPCODE:
1370	{	1462	{
1371	dREQ;	1463	dREQ;
1372		1464
1373	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1465	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1376		1468
1377	REQ_SEND;	1469	REQ_SEND;
1378	}	1470	}
1379		1471
1380	void	1472	void
1381	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1473	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1382	PPCODE:	1474	PPCODE:
1383	{	1475	{
1384	dREQ;	1476	dREQ;
1385		1477
1386	req->type = EIO_READDIR;	1478	req->type = EIO_READDIR;
…		…
1393		1485
1394	REQ_SEND;	1486	REQ_SEND;
1395	}	1487	}
1396		1488
1397	void	1489	void
1398	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1490	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1399	PPCODE:	1491	PPCODE:
1400	{	1492	{
1401	dREQ;	1493	dREQ;
1402		1494
1403	req->type = EIO_MKDIR;	1495	req->type = EIO_MKDIR;
…		…
1406		1498
1407	REQ_SEND;	1499	REQ_SEND;
1408	}	1500	}
1409		1501
1410	void	1502	void
1411	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1503	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1412	ALIAS:	1504	ALIAS:
1413	aio_unlink = EIO_UNLINK	1505	aio_unlink = EIO_UNLINK
1414	aio_rmdir = EIO_RMDIR	1506	aio_rmdir = EIO_RMDIR
1415	aio_readdir = EIO_READDIR	1507	aio_readdir = EIO_READDIR
1416	PPCODE:	1508	PPCODE:
…		…
1422		1514
1423	REQ_SEND;	1515	REQ_SEND;
1424	}	1516	}
1425		1517
1426	void	1518	void
1427	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1519	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1428	ALIAS:	1520	ALIAS:
1429	aio_link = EIO_LINK	1521	aio_link = EIO_LINK
1430	aio_symlink = EIO_SYMLINK	1522	aio_symlink = EIO_SYMLINK
1431	aio_rename = EIO_RENAME	1523	aio_rename = EIO_RENAME
1432	PPCODE:	1524	PPCODE:
1433	{	1525	{
		1526	eio_wd wd2 = 0;
1434	dREQ;	1527	dREQ;
1435	eio_wd wd2 = 0;
1436		1528
1437	req->type = ix;	1529	req->type = ix;
1438	req_set_path1 (req, oldpath);	1530	req_set_path1 (req, oldpath);
1439	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1531	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1440	req->int3 = (long)wd2;	1532	req->int3 = (long)wd2;
1441		1533
1442	REQ_SEND;	1534	REQ_SEND;
1443	}	1535	}
1444		1536
1445	void	1537	void
1446	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1538	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1447	PPCODE:	1539	PPCODE:
1448	{	1540	{
1449	dREQ;	1541	dREQ;
1450		1542
1451	req->type = EIO_MKNOD;	1543	req->type = EIO_MKNOD;
…		…
1455		1547
1456	REQ_SEND;	1548	REQ_SEND;
1457	}	1549	}
1458		1550
1459	void	1551	void
1460	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1552	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1461	ALIAS:	1553	ALIAS:
1462	aio_mtouch = EIO_MTOUCH	1554	aio_mtouch = EIO_MTOUCH
1463	aio_msync = EIO_MSYNC	1555	aio_msync = EIO_MSYNC
1464	PPCODE:	1556	PPCODE:
1465	{	1557	{
…		…
1488	REQ_SEND;	1580	REQ_SEND;
1489	}	1581	}
1490	}	1582	}
1491		1583
1492	void	1584	void
1493	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1585	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1494	PPCODE:	1586	PPCODE:
1495	{	1587	{
1496	STRLEN svlen;	1588	STRLEN svlen;
1497	char *svptr = SvPVbyte (data, svlen);	1589	char *svptr = SvPVbyte (data, svlen);
1498	UV len = SvUV (length);	1590	UV len = SvUV (length);
…		…
1517	REQ_SEND;	1609	REQ_SEND;
1518	}	1610	}
1519	}	1611	}
1520		1612
1521	void	1613	void
1522	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1614	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1523	PPCODE:	1615	PPCODE:
1524	{	1616	{
1525	dREQ;	1617	dREQ;
1526		1618
1527	req->type = EIO_MLOCKALL;	1619	req->type = EIO_MLOCKALL;
…		…
1529		1621
1530	REQ_SEND;	1622	REQ_SEND;
1531	}	1623	}
1532		1624
1533	void	1625	void
		1626	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1627	PPCODE:
		1628	{
		1629	int fd = s_fileno_croak (fh, 0);
		1630	dREQ;
		1631
		1632	req->type = EIO_CUSTOM;
		1633	req->sv1 = newSVsv (fh);
		1634	req->int1 = fd;
		1635
		1636	req->feed = fiemap;
		1637	#if HAVE_FIEMAP
		1638	/* keep our fingers crossed that the next two types are 64 bit */
		1639	req->offs = start;
		1640	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1641	req->int2 = flags;
		1642	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1643	#endif
		1644
		1645	REQ_SEND;
		1646	}
		1647
		1648	void
1534	aio_busy (double delay, SV *callback=&PL_sv_undef)	1649	aio_busy (double delay, SV *callback = &PL_sv_undef)
1535	PPCODE:	1650	PPCODE:
1536	{	1651	{
1537	dREQ;	1652	dREQ;
1538		1653
1539	req->type = EIO_BUSY;	1654	req->type = EIO_BUSY;
…		…
1541		1656
1542	REQ_SEND;	1657	REQ_SEND;
1543	}	1658	}
1544		1659
1545	void	1660	void
1546	aio_group (SV *callback=&PL_sv_undef)	1661	aio_group (SV *callback = &PL_sv_undef)
1547	PPCODE:	1662	PPCODE:
1548	{	1663	{
1549	dREQ;	1664	dREQ;
1550		1665
1551	req->type = EIO_GROUP;	1666	req->type = EIO_GROUP;
1552		1667
		1668	PUTBACK;
1553	req_submit (req);	1669	req_submit (req);
		1670	SPAGAIN;
		1671
1554	XPUSHs (req_sv (req, aio_grp_stash));	1672	XPUSHs (req_sv (req, aio_grp_stash));
1555	}	1673	}
1556		1674
1557	void	1675	void
1558	aio_nop (SV *callback=&PL_sv_undef)	1676	aio_nop (SV *callback = &PL_sv_undef)
1559	ALIAS:	1677	ALIAS:
1560	aio_nop = EIO_NOP	1678	aio_nop = EIO_NOP
1561	aio_sync = EIO_SYNC	1679	aio_sync = EIO_SYNC
1562	PPCODE:	1680	PPCODE:
1563	{	1681	{
…		…
1567		1685
1568	REQ_SEND;	1686	REQ_SEND;
1569	}	1687	}
1570		1688
1571	int	1689	int
1572	aioreq_pri (int pri = 0)	1690	aioreq_pri (int pri = NO_INIT)
1573	CODE:	1691	CODE:
1574	RETVAL = next_pri;	1692	RETVAL = next_pri;
1575	if (items > 0)	1693	if (items > 0)
1576	{	1694	{
1577	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1695	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1667	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1785	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1668	OUTPUT:	1786	OUTPUT:
1669	RETVAL	1787	RETVAL
1670		1788
1671	void	1789	void
1672	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1790	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1673	PPCODE:	1791	PPCODE:
1674	sv_unmagic (scalar, MMAP_MAGIC);	1792	sv_unmagic (scalar, MMAP_MAGIC);
1675	{	1793	{
1676	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1794	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1677	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1795	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1704	munmap (SV *scalar)	1822	munmap (SV *scalar)
1705	CODE:	1823	CODE:
1706	sv_unmagic (scalar, MMAP_MAGIC);	1824	sv_unmagic (scalar, MMAP_MAGIC);
1707		1825
1708	int	1826	int
1709	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1827	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1710	ALIAS:	1828	ALIAS:
1711	mprotect = 1	1829	mprotect = 1
1712	CODE:	1830	CODE:
1713	{	1831	{
1714	STRLEN svlen;	1832	STRLEN svlen;
1715	void *addr = SvPVbyte (scalar, svlen);	1833	void *addr = SvPVbyte (scalar, svlen);
1716	size_t len = SvUV (length);	1834	STRLEN len = SvUV (length);
1717		1835
1718	if (offset < 0)	1836	if (offset < 0)
1719	offset += svlen;	1837	offset += svlen;
1720		1838
1721	if (offset < 0 || offset > svlen)	1839	if (offset < 0 || offset > svlen)
…		…
1735	}	1853	}
1736	OUTPUT:	1854	OUTPUT:
1737	RETVAL	1855	RETVAL
1738		1856
1739	int	1857	int
1740	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1858	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1741	CODE:	1859	CODE:
1742	{	1860	{
1743	STRLEN svlen;	1861	STRLEN svlen;
1744	void *addr = SvPVbyte (scalar, svlen);	1862	void *addr = SvPVbyte (scalar, svlen);
1745	size_t len = SvUV (length);	1863	size_t len = SvUV (length);
1746		1864
1747	if (offset < 0)	1865	if (offset < 0)
1748	offset += svlen;	1866	offset += svlen;
1749		1867
…		…
1756	addr = (void *)(((intptr_t)addr) + offset);	1874	addr = (void *)(((intptr_t)addr) + offset);
1757	eio_page_align (&addr, &len);	1875	eio_page_align (&addr, &len);
1758	#if _POSIX_MEMLOCK_RANGE	1876	#if _POSIX_MEMLOCK_RANGE
1759	RETVAL = munlock (addr, len);	1877	RETVAL = munlock (addr, len);
1760	#else	1878	#else
1761	RETVAL = ((errno = ENOSYS), -1);	1879	RETVAL = EIO_ENOSYS ();
1762	#endif	1880	#endif
1763	}	1881	}
1764	OUTPUT:	1882	OUTPUT:
1765	RETVAL	1883	RETVAL
1766		1884
…		…
1768	munlockall ()	1886	munlockall ()
1769	CODE:	1887	CODE:
1770	#if _POSIX_MEMLOCK	1888	#if _POSIX_MEMLOCK
1771	munlockall ();	1889	munlockall ();
1772	#else	1890	#else
1773	RETVAL = -1;	1891	RETVAL = EIO_ENOSYS ();
1774	errno = ENOSYS;
1775	#endif	1892	#endif
1776	OUTPUT:	1893	OUTPUT:
1777	RETVAL	1894	RETVAL
		1895
		1896	int
		1897	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1898	CODE:
		1899	{
		1900	#if HAVE_LINUX_SPLICE
		1901	loff_t off_in_, off_out_;
		1902	RETVAL = splice (
		1903	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1904	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1905	length, flags
		1906	);
		1907	#else
		1908	RETVAL = EIO_ENOSYS ();
		1909	#endif
		1910	}
		1911	OUTPUT:
		1912	RETVAL
		1913
		1914	int
		1915	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1916	CODE:
		1917	#if HAVE_LINUX_SPLICE
		1918	RETVAL = tee (rfh, wfh, length, flags);
		1919	#else
		1920	RETVAL = EIO_ENOSYS ();
		1921	#endif
		1922	OUTPUT:
		1923	RETVAL
		1924
		1925	int
		1926	pipesize (aio_rfd rfh, int new_size = -1)
		1927	PROTOTYPE: $;$
		1928	CODE:
		1929	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1930	if (new_size >= 0)
		1931	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1932	else
		1933	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1934	#else
		1935	errno = ENOSYS;
		1936	RETVAL = -1;
		1937	#endif
		1938	OUTPUT:
		1939	RETVAL
		1940
		1941	void
		1942	pipe2 (int flags = 0)
		1943	PROTOTYPE: ;$
		1944	PPCODE:
		1945	{
		1946	int fd[2];
		1947	int res;
		1948
		1949	if (flags)
		1950	#if HAVE_PIPE2
		1951	res = pipe2 (fd, flags);
		1952	#else
		1953	res = (errno = ENOSYS, -1);
		1954	#endif
		1955	else
		1956	res = pipe (fd);
		1957
		1958	if (!res)
		1959	{
		1960	EXTEND (SP, 2);
		1961	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1962	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1963	}
		1964	}
1778		1965
1779	void _on_next_submit (SV *cb)	1966	void _on_next_submit (SV *cb)
1780	CODE:	1967	CODE:
1781	SvREFCNT_dec (on_next_submit);	1968	SvREFCNT_dec (on_next_submit);
1782	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1969	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1817	cancel (aio_req_ornot req)	2004	cancel (aio_req_ornot req)
1818	CODE:	2005	CODE:
1819	eio_cancel (req);	2006	eio_cancel (req);
1820		2007
1821	void	2008	void
1822	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2009	cb (aio_req_ornot req, SV *callback = NO_INIT)
1823	PPCODE:	2010	PPCODE:
1824	{	2011	{
1825	if (GIMME_V != G_VOID)	2012	if (GIMME_V != G_VOID)
1826	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2013	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1827		2014
1828	if (items > 1)	2015	if (items > 1)
1829	{	2016	{
1830	SV *cb_cv =get_cb (callback);	2017	SV *cb_cv = get_cb (callback);
1831		2018
1832	SvREFCNT_dec (req->callback);	2019	SvREFCNT_dec (req->callback);
1833	req->callback = SvREFCNT_inc (cb_cv);	2020	req->callback = SvREFCNT_inc (cb_cv);
1834	}	2021	}
1835	}	2022	}
…		…
1892	limit (aio_req grp, int limit)	2079	limit (aio_req grp, int limit)
1893	CODE:	2080	CODE:
1894	eio_grp_limit (grp, limit);	2081	eio_grp_limit (grp, limit);
1895		2082
1896	void	2083	void
1897	feed (aio_req grp, SV *callback=&PL_sv_undef)	2084	feed (aio_req grp, SV *callback = &PL_sv_undef)
1898	CODE:	2085	CODE:
1899	{	2086	{
1900	SvREFCNT_dec (grp->sv2);	2087	SvREFCNT_dec (grp->sv2);
1901	grp->sv2 = newSVsv (callback);	2088	grp->sv2 = newSVsv (callback);
1902	grp->feed = aio_grp_feed;	2089	grp->feed = aio_grp_feed;

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