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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 1.249 by root, Fri Jun 23 23:50:25 2017 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
22	#endif	36	#endif
23		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
…		…
62	#undef dup	76	#undef dup
63	#undef dup2	77	#undef dup2
64	#undef abort	78	#undef abort
65	#undef pipe	79	#undef pipe
66		80
		81	#define EIO_STRUCT_STAT struct _stati64
		82	#define EIO_STRUCT_STATI64
		83
67	#else	84	#else
68		85
69	#include <sys/time.h>	86	#include <sys/time.h>
70	#include <sys/select.h>	87	#include <sys/select.h>
71	#include <unistd.h>	88	#include <unistd.h>
72	#include <utime.h>	89	#include <utime.h>
73	#include <signal.h>	90	#include <signal.h>
74		91
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
78		93
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	94	#endif
89		95
90	/*****************************************************************************/	96	/*****************************************************************************/
91		97
92	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	129	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	130	#define EIO_DESTROY(req) req_destroy (req)
125		131
126	#include "libeio/eio.c"	132	#include "libeio/eio.c"
127		133
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	134	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	136	#endif
196		137
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	138	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	140	#endif
291		141
292	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	143	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
295	# else	145	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	147	# endif
298	#endif	148	#endif
299	#ifndef MAP_HUGETLB	149
300	# define MAP_HUGETLB 0	150	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	151	/* also provides const_iv_ and const_niv_ macros for them */
302	#ifndef MAP_LOCKED	152	#include "def0.h"
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		153
315	#ifndef makedev	154	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	155	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	156	#endif
318	#ifndef major	157	#ifndef major
…		…
320	#endif	159	#endif
321	#ifndef minor	160	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	161	# define minor(dev) ((dev) & 0xff)
323	#endif	162	#endif
324		163
325	#ifndef PAGESIZE	164	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	166	#endif
		167
		168	/*****************************************************************************/
		169
		170	static void
		171	fiemap (eio_req *req)
		172	{
		173	req->result = -1;
		174
		175	#if HAVE_FIEMAP
		176	/* assume some c99 */
		177	struct fiemap *fiemap = 0;
		178	size_t end_offset;
		179	int count = req->int3;
		180
		181	req->flags |= EIO_FLAG_PTR1_FREE;
		182
		183	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		184	/* increase in 3.5kb steps */
		185	if (count < 0)
		186	count = 8;
		187
		188	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194
		195	fiemap->fm_start = req->offs;
		196	fiemap->fm_length = req->size;
		197	fiemap->fm_flags = req->int2;
		198	fiemap->fm_extent_count = count;
		199
		200	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		201	return;
		202
		203	if (req->int3 >= 0 /* not autosizing */
		204	|| !fiemap->fm_mapped_extents /* no more extents */
		205	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		206	goto done;
		207
		208	/* else we have to loop -
		209	* it would be tempting (actually I tried that first) to just query the
		210	* number of extents needed, but linux often feels like not returning all
		211	* extents, without telling us it left any out. this complicates
		212	* this quite a bit.
		213	*/
		214
		215	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		216
		217	for (;;)
		218	{
		219	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		220	char scratch[3072];
		221	struct fiemap *incmap = (struct fiemap *)scratch;
		222
		223	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		224	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		225	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		226	incmap->fm_flags = fiemap->fm_flags;
		227	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		228
		229	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		230	return;
		231
		232	if (!incmap->fm_mapped_extents)
		233	goto done;
		234
		235	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		236	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		237	errno = ENOMEM;
		238	if (!fiemap)
		239	return;
		240
		241	req->ptr1 = fiemap;
		242
		243	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		244	{
		245	struct fiemap_extent *e = incmap->fm_extents + count;
		246
		247	if (e->fe_logical + e->fe_length >= end_offset)
		248	goto done;
		249
		250	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		251
		252	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		253	goto done;
		254
		255	}
		256	}
		257
		258	done:
		259	req->result = 0;
		260
		261	#else
		262	errno = ENOSYS;
		263	#endif
		264	}
		265
		266	/*****************************************************************************/
328		267
329	enum {	268	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	270	};
332		271
…		…
371	}	310	}
372		311
373	static SV *	312	static SV *
374	newSVaio_wd (aio_wd wd)	313	newSVaio_wd (aio_wd wd)
375	{	314	{
376	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377	}	316	}
378		317
379	static aio_req	318	static aio_req
380	SvAIO_REQ (SV *sv)	319	SvAIO_REQ (SV *sv)
381	{	320	{
382	MAGIC *mg;	321	MAGIC *mg;
383		322
384	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
386	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
387	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
388	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
389		329
…		…
394		334
395	static aio_wd	335	static aio_wd
396	SvAIO_WD (SV *sv)	336	SvAIO_WD (SV *sv)
397	{	337	{
398	if (!SvROK (sv)	338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
399	|| SvSTASH (SvRV (sv)) != aio_wd_stash	340	|| 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");	341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402		342
403	return (aio_wd)(long)SvIVX (SvRV (sv));	343	return (aio_wd)(long)SvIVX (SvRV (sv));
		344	}
		345
		346	static SV *
		347	newmortalFH (int fd, int flags)
		348	{
		349	if (fd < 0)
		350	return &PL_sv_undef;
		351
		352	GV *gv = (GV *)sv_newmortal ();
		353	char sym[64];
		354	int symlen;
		355
		356	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		357	gv_init (gv, aio_stash, sym, symlen, 0);
		358
		359	symlen = snprintf (
		360	sym,
		361	sizeof (sym),
		362	"%s&=%d",
		363	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		364	fd
		365	);
		366
		367	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		368	? (SV *)gv : &PL_sv_undef;
404	}	369	}
405		370
406	static void	371	static void
407	aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
408	{	373	{
…		…
536	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
537	}	502	}
538	break;	503	break;
539		504
540	case EIO_OPEN:	505	case EIO_OPEN:
541	{	506	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;	507	break;
570		508
571	case EIO_STATVFS:	509	case EIO_STATVFS:
572	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
573	{	511	{
…		…
576	#ifndef _WIN32	514	#ifndef _WIN32
577	if (req->result >= 0)	515	if (req->result >= 0)
578	{	516	{
579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581		524
582	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
583		526
584	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
585	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
587	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
588	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
589	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
590	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
591	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
592	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
594	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595	}	538	}
596	#endif	539	#endif
597		540
…		…
632	if (!(PL_laststatval = req->result))	575	if (!(PL_laststatval = req->result))
633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635		578
636	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637	break;	584	break;
638		585
639	case EIO_READ:	586	case EIO_READ:
640	{	587	{
641	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
644	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
645	PUSHs (sv_result);	592	PUSHs (sv_result);
646	}	593	}
647	break;	594	break;
648		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650	if (req->result > 0)	637	if (req->result > 0)
651	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
652	/* FALLTHROUGH */	639	/* FALLTHROUGH */
653		640
…		…
689	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
690	SvREFCNT_dec (req->sv3);	677	SvREFCNT_dec (req->sv3);
691	SvREFCNT_dec (req->sv4);	678	SvREFCNT_dec (req->sv4);
692	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
693		680
694	Safefree (req);	681	free (req);
695	}	682	}
696		683
697	static void	684	static void
698	req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
699	{	686	{
…		…
718	{	705	{
719	while (eio_nreqs ())	706	while (eio_nreqs ())
720	{	707	{
721	int size;	708	int size;
722		709
723	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
724	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
725	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
726		713
727	if (size)	714	if (size)
728	return;	715	return;
729		716
730	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
731		718
732	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
733	}	720	}
734	}	721	}
735		722
…		…
760	}	747	}
761		748
762	/*****************************************************************************/	749	/*****************************************************************************/
763		750
764	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
766	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
767	#endif	754	#endif
768		755
769	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
770	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# 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	758	#endif
777		759
778	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
779		761
780	static int ecb_cold	762	static int ecb_cold
…		…
819	int req_pri = next_pri;	801	int req_pri = next_pri;
820	next_pri = EIO_PRI_DEFAULT;	802	next_pri = EIO_PRI_DEFAULT;
821		803
822	cb_cv = get_cb (callback);	804	cb_cv = get_cb (callback);
823		805
824	Newz (0, req, 1, eio_req);	806	req = calloc (sizeof (*req), 1);
825	if (!req)	807	if (!req)
826	croak ("out of memory during eio_req allocation");	808	croak ("out of memory during eio_req allocation");
827		809
828	req->callback = SvREFCNT_inc (cb_cv);	810	req->callback = SvREFCNT_inc (cb_cv);
829	req->pri = req_pri;	811	req->pri = req_pri;
…		…
845	ecb_inline void	827	ecb_inline void
846	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
847	{	829	{
848	if (expect_false (SvROK (path)))	830	if (expect_false (SvROK (path)))
849	{	831	{
850	AV *av = (AV *)SvRV (path);	832	SV *rv = SvRV (path);
851	SV *wdob;	833	SV *wdob;
852		834
853	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)	835	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	{	836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
		839
		840	if (SvOK (wdob))
		841	{
861	*wd = SvAIO_WD (wdob);	842	*wd = SvAIO_WD (wdob);
862	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	843	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		844	}
		845	else
		846	*wd = EIO_INVALID_WD;
		847	}
		848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		849	{
		850	*wd = (aio_wd)(long)SvIVX (rv);
		851	*wdsv = SvREFCNT_inc_NN (rv);
		852	*ptr = ".";
		853	return; /* path set to "." */
863	}	854	}
864	else	855	else
865	*wd = EIO_INVALID_WD;	856	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
866	}	857	}
867		858
868	*pathsv = newSVsv (path);	859	*pathsv = newSVsv (path);
869	*ptr = SvPVbyte_nolen (*pathsv);	860	*ptr = SvPVbyte_nolen (*pathsv);
870	}	861	}
…		…
910	IV iv;	901	IV iv;
911	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
912	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
913	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
914	# define const_eio(name) { # name, (IV) EIO_ ## name },	905	# define const_eio(name) { # name, (IV) EIO_ ## name },
		906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
		909	const_iv (ENOSYS)
915	const_iv (EXDEV)	910	const_iv (EXDEV)
916	const_iv (ENOSYS)	911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929
		930	/* the second block will be 0 when missing */
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 (F_DUPFD_CLOEXEC)
		1001
		1002	const_iv (F_OFD_GETLK)
		1003	const_iv (F_OFD_SETLK)
		1004	const_iv (F_OFD_GETLKW)
		1005
		1006	const_iv (FIFREEZE)
		1007	const_iv (FITHAW)
		1008	const_iv (FITRIM)
		1009	const_iv (FICLONE)
		1010	const_iv (FICLONERANGE)
		1011	const_iv (FIDEDUPERANGE)
		1012
		1013	const_iv (FS_IOC_GETFLAGS)
		1014	const_iv (FS_IOC_SETFLAGS)
		1015	const_iv (FS_IOC_GETVERSION)
		1016	const_iv (FS_IOC_SETVERSION)
		1017	const_iv (FS_IOC_FIEMAP)
		1018	const_iv (FS_IOC_FSGETXATTR)
		1019	const_iv (FS_IOC_FSSETXATTR)
		1020	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1021	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1022	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1023
		1024	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1025
		1026	const_iv (FS_SECRM_FL)
		1027	const_iv (FS_UNRM_FL)
		1028	const_iv (FS_COMPR_FL)
		1029	const_iv (FS_SYNC_FL)
		1030	const_iv (FS_IMMUTABLE_FL)
		1031	const_iv (FS_APPEND_FL)
		1032	const_iv (FS_NODUMP_FL)
		1033	const_iv (FS_NOATIME_FL)
		1034	const_iv (FS_DIRTY_FL)
		1035	const_iv (FS_COMPRBLK_FL)
		1036	const_iv (FS_NOCOMP_FL)
		1037	const_iv (FS_ENCRYPT_FL)
		1038	const_iv (FS_BTREE_FL)
		1039	const_iv (FS_INDEX_FL)
		1040	const_iv (FS_JOURNAL_DATA_FL)
		1041	const_iv (FS_NOTAIL_FL)
		1042	const_iv (FS_DIRSYNC_FL)
		1043	const_iv (FS_TOPDIR_FL)
		1044	const_iv (FS_FL_USER_MODIFIABLE)
		1045
		1046	const_iv (FS_XFLAG_REALTIME)
		1047	const_iv (FS_XFLAG_PREALLOC)
		1048	const_iv (FS_XFLAG_IMMUTABLE)
		1049	const_iv (FS_XFLAG_APPEND)
		1050	const_iv (FS_XFLAG_SYNC)
		1051	const_iv (FS_XFLAG_NOATIME)
		1052	const_iv (FS_XFLAG_NODUMP)
		1053	const_iv (FS_XFLAG_RTINHERIT)
		1054	const_iv (FS_XFLAG_PROJINHERIT)
		1055	const_iv (FS_XFLAG_NOSYMLINKS)
		1056	const_iv (FS_XFLAG_EXTSIZE)
		1057	const_iv (FS_XFLAG_EXTSZINHERIT)
		1058	const_iv (FS_XFLAG_NODEFRAG)
		1059	const_iv (FS_XFLAG_FILESTREAM)
		1060	const_iv (FS_XFLAG_DAX)
		1061	const_iv (FS_XFLAG_HASATTR)
		1062
		1063	const_iv (FIEMAP_FLAG_SYNC)
		1064	const_iv (FIEMAP_FLAG_XATTR)
		1065	const_iv (FIEMAP_FLAGS_COMPAT)
		1066	const_iv (FIEMAP_EXTENT_LAST)
		1067	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1068	const_iv (FIEMAP_EXTENT_DELALLOC)
		1069	const_iv (FIEMAP_EXTENT_ENCODED)
		1070	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1071	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1072	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1073	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1074	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1075	const_iv (FIEMAP_EXTENT_MERGED)
		1076	const_iv (FIEMAP_EXTENT_SHARED)
		1077
		1078	const_iv (SPLICE_F_MOVE)
		1079	const_iv (SPLICE_F_NONBLOCK)
		1080	const_iv (SPLICE_F_MORE)
		1081	const_iv (SPLICE_F_GIFT)
		1082
		1083	/* these are libeio constants, and are independent of gendef0 */
		1084	const_eio (SEEK_SET)
		1085	const_eio (SEEK_CUR)
		1086	const_eio (SEEK_END)
993		1087
994	const_eio (MCL_FUTURE)	1088	const_eio (MCL_FUTURE)
995	const_eio (MCL_CURRENT)	1089	const_eio (MCL_CURRENT)
996		1090
997	const_eio (MS_ASYNC)	1091	const_eio (MS_ASYNC)
…		…
1003	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1097	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1004	const_eio (SYNC_FILE_RANGE_WRITE)	1098	const_eio (SYNC_FILE_RANGE_WRITE)
1005	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1099	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1006		1100
1007	const_eio (FALLOC_FL_KEEP_SIZE)	1101	const_eio (FALLOC_FL_KEEP_SIZE)
		1102	const_eio (FALLOC_FL_PUNCH_HOLE)
		1103	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1104	const_eio (FALLOC_FL_ZERO_RANGE)
		1105	const_eio (FALLOC_FL_INSERT_RANGE)
		1106	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1107
		1108	const_eio (RENAME_NOREPLACE)
		1109	const_eio (RENAME_EXCHANGE)
		1110	const_eio (RENAME_WHITEOUT)
1008		1111
1009	const_eio (READDIR_DENTS)	1112	const_eio (READDIR_DENTS)
1010	const_eio (READDIR_DIRS_FIRST)	1113	const_eio (READDIR_DIRS_FIRST)
1011	const_eio (READDIR_STAT_ORDER)	1114	const_eio (READDIR_STAT_ORDER)
1012	const_eio (READDIR_FOUND_UNKNOWN)	1115	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1080	PROTOTYPE: $	1183	PROTOTYPE: $
1081	CODE:	1184	CODE:
1082	max_outstanding = maxreqs;	1185	max_outstanding = maxreqs;
1083		1186
1084	void	1187	void
1085	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1188	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1086	PPCODE:	1189	PPCODE:
1087	{	1190	{
1088	dREQ;	1191	dREQ;
1089		1192
1090	req->type = EIO_WD_OPEN;	1193	req->type = EIO_WD_OPEN;
…		…
1092		1195
1093	REQ_SEND;	1196	REQ_SEND;
1094	}	1197	}
1095		1198
1096	void	1199	void
1097	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1200	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1098	PPCODE:	1201	PPCODE:
1099	{	1202	{
1100	dREQ;	1203	dREQ;
1101		1204
1102	req->type = EIO_OPEN;	1205	req->type = EIO_OPEN;
…		…
1106		1209
1107	REQ_SEND;	1210	REQ_SEND;
1108	}	1211	}
1109		1212
1110	void	1213	void
1111	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1214	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1112	ALIAS:	1215	ALIAS:
1113	aio_fsync = EIO_FSYNC	1216	aio_fsync = EIO_FSYNC
1114	aio_fdatasync = EIO_FDATASYNC	1217	aio_fdatasync = EIO_FDATASYNC
1115	aio_syncfs = EIO_SYNCFS	1218	aio_syncfs = EIO_SYNCFS
1116	PPCODE:	1219	PPCODE:
1117	{	1220	{
1118	int fd = s_fileno_croak (fh, 0);	1221	int fd = s_fileno_croak (fh, 0);
1119	dREQ;	1222	dREQ;
1120		1223
1121	req->type = ix;	1224	req->type = ix;
1122	req->sv1 = newSVsv (fh);	1225	req->sv1 = newSVsv (fh);
1123	req->int1 = fd;	1226	req->int1 = fd;
1124		1227
1125	REQ_SEND (req);	1228	REQ_SEND;
1126	}	1229	}
1127		1230
1128	void	1231	void
1129	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1232	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1130	PPCODE:	1233	PPCODE:
1131	{	1234	{
1132	int fd = s_fileno_croak (fh, 0);	1235	int fd = s_fileno_croak (fh, 0);
1133	dREQ;	1236	dREQ;
1134		1237
1135	req->type = EIO_SYNC_FILE_RANGE;	1238	req->type = EIO_SYNC_FILE_RANGE;
1136	req->sv1 = newSVsv (fh);	1239	req->sv1 = newSVsv (fh);
1137	req->int1 = fd;	1240	req->int1 = fd;
1138	req->offs = offset;	1241	req->offs = offset;
1139	req->size = nbytes;	1242	req->size = nbytes;
1140	req->int2 = flags;	1243	req->int2 = flags;
1141		1244
1142	REQ_SEND (req);	1245	REQ_SEND;
1143	}	1246	}
1144		1247
1145	void	1248	void
1146	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1249	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1147	PPCODE:	1250	PPCODE:
1148	{	1251	{
1149	int fd = s_fileno_croak (fh, 0);	1252	int fd = s_fileno_croak (fh, 0);
1150	dREQ;	1253	dREQ;
1151		1254
1152	req->type = EIO_FALLOCATE;	1255	req->type = EIO_FALLOCATE;
1153	req->sv1 = newSVsv (fh);	1256	req->sv1 = newSVsv (fh);
1154	req->int1 = fd;	1257	req->int1 = fd;
1155	req->int2 = mode;	1258	req->int2 = mode;
1156	req->offs = offset;	1259	req->offs = offset;
1157	req->size = len;	1260	req->size = len;
1158		1261
1159	REQ_SEND (req);	1262	REQ_SEND;
1160	}	1263	}
1161		1264
1162	void	1265	void
1163	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1266	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1164	PPCODE:	1267	PPCODE:
1165	{	1268	{
1166	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1269	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1167	int fd = s_fileno_croak (fh, 0);	1270	int fd = s_fileno_croak (fh, 0);
1168	dREQ;	1271	dREQ;
1169		1272
1170	if (expect_false (close_fd < 0))	1273	if (expect_false (close_fd < 0))
1171	{	1274	{
1172	int pipefd [2];	1275	int pipefd [2];
…		…
1188	req->type = EIO_DUP2;	1291	req->type = EIO_DUP2;
1189	req->int1 = close_fd;	1292	req->int1 = close_fd;
1190	req->sv2 = newSVsv (fh);	1293	req->sv2 = newSVsv (fh);
1191	req->int2 = fd;	1294	req->int2 = fd;
1192		1295
1193	REQ_SEND (req);	1296	REQ_SEND;
1194	}	1297	}
1195		1298
1196	void	1299	void
		1300	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1301	PPCODE:
		1302	{
		1303	int fd = s_fileno_croak (fh, 0);
		1304	dREQ;
		1305
		1306	req->type = EIO_SEEK;
		1307	req->sv1 = newSVsv (fh);
		1308	req->int1 = fd;
		1309	req->offs = SvVAL64 (offset);
		1310	req->int2 = whence;
		1311
		1312	REQ_SEND;
		1313	}
		1314
		1315	void
1197	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1316	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1198	ALIAS:	1317	ALIAS:
1199	aio_read = EIO_READ	1318	aio_read = EIO_READ
1200	aio_write = EIO_WRITE	1319	aio_write = EIO_WRITE
1201	PPCODE:	1320	PPCODE:
1202	{	1321	{
…		…
1218	len = svlen - dataoffset;	1337	len = svlen - dataoffset;
1219	}	1338	}
1220	else	1339	else
1221	{	1340	{
1222	/* read: check type and grow scalar as necessary */	1341	/* read: check type and grow scalar as necessary */
1223	SvUPGRADE (data, SVt_PV);	1342	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1224	svptr = SvGROW (data, len + dataoffset + 1);	1343	svptr = sv_grow (data, len + dataoffset + 1);
		1344	else if (SvCUR (data) < len + dataoffset)
		1345	croak ("length + dataoffset outside of scalar, and cannot grow");
1225	}	1346	}
1226		1347
1227	{	1348	{
1228	dREQ;	1349	dREQ;
1229		1350
…		…
1245	REQ_SEND;	1366	REQ_SEND;
1246	}	1367	}
1247	}	1368	}
1248		1369
1249	void	1370	void
		1371	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1372	ALIAS:
		1373	aio_ioctl = EIO_IOCTL
		1374	aio_fcntl = EIO_FCNTL
		1375	PPCODE:
		1376	{
		1377	int fd = s_fileno_croak (fh, 0);
		1378	char *svptr;
		1379
		1380	if (SvPOK (arg) || !SvNIOK (arg))
		1381	{
		1382	STRLEN svlen;
		1383	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1384	#ifdef IOCPARM_LEN
		1385	STRLEN need = IOCPARM_LEN (request);
		1386	#else
		1387	STRLEN need = 256;
		1388	#endif
		1389
		1390	if (svlen < need)
		1391	svptr = SvGROW (arg, need);
		1392	}
		1393	else
		1394	svptr = (char *)SvIV (arg);
		1395
		1396	{
		1397	dREQ;
		1398
		1399	req->type = ix;
		1400	req->sv1 = newSVsv (fh);
		1401	req->int1 = fd;
		1402	req->int2 = (long)request;
		1403	req->sv2 = SvREFCNT_inc (arg);
		1404	req->ptr2 = svptr;
		1405
		1406	REQ_SEND;
		1407	}
		1408	}
		1409
		1410	void
1250	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1411	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1251	ALIAS:	1412	ALIAS:
1252	aio_readlink = EIO_READLINK	1413	aio_readlink = EIO_READLINK
1253	aio_realpath = EIO_REALPATH	1414	aio_realpath = EIO_REALPATH
1254	PPCODE:	1415	PPCODE:
1255	{	1416	{
…		…
1260		1421
1261	REQ_SEND;	1422	REQ_SEND;
1262	}	1423	}
1263		1424
1264	void	1425	void
1265	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1426	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1266	PPCODE:	1427	PPCODE:
1267	{	1428	{
1268	int ifd = s_fileno_croak (in_fh , 0);	1429	int ifd = s_fileno_croak (in_fh , 0);
1269	int ofd = s_fileno_croak (out_fh, 1);	1430	int ofd = s_fileno_croak (out_fh, 1);
1270	dREQ;	1431	dREQ;
1271		1432
1272	req->type = EIO_SENDFILE;	1433	req->type = EIO_SENDFILE;
1273	req->sv1 = newSVsv (out_fh);	1434	req->sv1 = newSVsv (out_fh);
1274	req->int1 = ofd;	1435	req->int1 = ofd;
…		…
1279		1440
1280	REQ_SEND;	1441	REQ_SEND;
1281	}	1442	}
1282		1443
1283	void	1444	void
1284	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1445	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1285	PPCODE:	1446	PPCODE:
1286	{	1447	{
1287	int fd = s_fileno_croak (fh, 0);	1448	int fd = s_fileno_croak (fh, 0);
1288	dREQ;	1449	dREQ;
1289		1450
1290	req->type = EIO_READAHEAD;	1451	req->type = EIO_READAHEAD;
1291	req->sv1 = newSVsv (fh);	1452	req->sv1 = newSVsv (fh);
1292	req->int1 = fd;	1453	req->int1 = fd;
…		…
1295		1456
1296	REQ_SEND;	1457	REQ_SEND;
1297	}	1458	}
1298		1459
1299	void	1460	void
1300	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1461	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1301	ALIAS:	1462	ALIAS:
1302	aio_stat = EIO_STAT	1463	aio_stat = EIO_STAT
1303	aio_lstat = EIO_LSTAT	1464	aio_lstat = EIO_LSTAT
1304	aio_statvfs = EIO_STATVFS	1465	aio_statvfs = EIO_STATVFS
1305	PPCODE:	1466	PPCODE:
…		…
1314	UV	1475	UV
1315	major (UV dev)	1476	major (UV dev)
1316	ALIAS:	1477	ALIAS:
1317	minor = 1	1478	minor = 1
1318	CODE:	1479	CODE:
1319	RETVAL = ix ? major (dev) : minor (dev);	1480	RETVAL = ix ? minor (dev) : major (dev);
1320	OUTPUT:	1481	OUTPUT:
1321	RETVAL	1482	RETVAL
1322		1483
1323	UV	1484	UV
1324	makedev (UV maj, UV min)	1485	makedev (UV maj, UV min)
…		…
1326	RETVAL = makedev (maj, min);	1487	RETVAL = makedev (maj, min);
1327	OUTPUT:	1488	OUTPUT:
1328	RETVAL	1489	RETVAL
1329		1490
1330	void	1491	void
1331	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1492	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1332	PPCODE:	1493	PPCODE:
1333	{	1494	{
1334	dREQ;	1495	dREQ;
1335		1496
1336	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1497	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1339		1500
1340	REQ_SEND;	1501	REQ_SEND;
1341	}	1502	}
1342		1503
1343	void	1504	void
1344	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1505	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1345	PPCODE:	1506	PPCODE:
1346	{	1507	{
1347	dREQ;	1508	dREQ;
1348		1509
1349	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1510	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1351		1512
1352	REQ_SEND;	1513	REQ_SEND;
1353	}	1514	}
1354		1515
1355	void	1516	void
1356	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1517	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1357	PPCODE:	1518	PPCODE:
1358	{	1519	{
1359	dREQ;	1520	dREQ;
1360		1521
1361	req->int2 = mode;	1522	req->int2 = mode;
…		…
1363		1524
1364	REQ_SEND;	1525	REQ_SEND;
1365	}	1526	}
1366		1527
1367	void	1528	void
1368	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1529	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1369	PPCODE:	1530	PPCODE:
1370	{	1531	{
1371	dREQ;	1532	dREQ;
1372		1533
1373	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1534	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1376		1537
1377	REQ_SEND;	1538	REQ_SEND;
1378	}	1539	}
1379		1540
1380	void	1541	void
1381	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1542	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1382	PPCODE:	1543	PPCODE:
1383	{	1544	{
1384	dREQ;	1545	dREQ;
1385		1546
1386	req->type = EIO_READDIR;	1547	req->type = EIO_READDIR;
…		…
1393		1554
1394	REQ_SEND;	1555	REQ_SEND;
1395	}	1556	}
1396		1557
1397	void	1558	void
1398	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1559	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1399	PPCODE:	1560	PPCODE:
1400	{	1561	{
1401	dREQ;	1562	dREQ;
1402		1563
1403	req->type = EIO_MKDIR;	1564	req->type = EIO_MKDIR;
…		…
1406		1567
1407	REQ_SEND;	1568	REQ_SEND;
1408	}	1569	}
1409		1570
1410	void	1571	void
1411	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1572	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1412	ALIAS:	1573	ALIAS:
1413	aio_unlink = EIO_UNLINK	1574	aio_unlink = EIO_UNLINK
1414	aio_rmdir = EIO_RMDIR	1575	aio_rmdir = EIO_RMDIR
1415	aio_readdir = EIO_READDIR	1576	aio_readdir = EIO_READDIR
1416	PPCODE:	1577	PPCODE:
…		…
1422		1583
1423	REQ_SEND;	1584	REQ_SEND;
1424	}	1585	}
1425		1586
1426	void	1587	void
1427	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1588	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1428	ALIAS:	1589	ALIAS:
1429	aio_link = EIO_LINK	1590	aio_link = EIO_LINK
1430	aio_symlink = EIO_SYMLINK	1591	aio_symlink = EIO_SYMLINK
1431	aio_rename = EIO_RENAME	1592	aio_rename = EIO_RENAME
1432	PPCODE:	1593	PPCODE:
1433	{	1594	{
		1595	eio_wd wd2 = 0;
1434	dREQ;	1596	dREQ;
1435	eio_wd wd2 = 0;
1436		1597
1437	req->type = ix;	1598	req->type = ix;
1438	req_set_path1 (req, oldpath);	1599	req_set_path1 (req, oldpath);
1439	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1600	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1440	req->int3 = (long)wd2;	1601	req->int3 = (long)wd2;
1441		1602
1442	REQ_SEND;	1603	REQ_SEND;
1443	}	1604	}
1444		1605
1445	void	1606	void
		1607	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1608	PPCODE:
		1609	{
		1610	eio_wd wd2 = 0;
		1611	dREQ;
		1612
		1613	req->type = EIO_RENAME;
		1614	req_set_path1 (req, oldpath);
		1615	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1616	req->int2 = flags;
		1617	req->int3 = (long)wd2;
		1618
		1619	REQ_SEND;
		1620	}
		1621
		1622	void
1446	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1623	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1447	PPCODE:	1624	PPCODE:
1448	{	1625	{
1449	dREQ;	1626	dREQ;
1450		1627
1451	req->type = EIO_MKNOD;	1628	req->type = EIO_MKNOD;
…		…
1455		1632
1456	REQ_SEND;	1633	REQ_SEND;
1457	}	1634	}
1458		1635
1459	void	1636	void
1460	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1637	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1461	ALIAS:	1638	ALIAS:
1462	aio_mtouch = EIO_MTOUCH	1639	aio_mtouch = EIO_MTOUCH
1463	aio_msync = EIO_MSYNC	1640	aio_msync = EIO_MSYNC
1464	PPCODE:	1641	PPCODE:
1465	{	1642	{
1466	STRLEN svlen;	1643	STRLEN svlen;
1467	char *svptr = SvPVbyte (data, svlen);	1644	char *svptr = SvPVbyte (data, svlen);
1468	UV len = SvUV (length);	1645	UV len = SvUV (length);
		1646
		1647	if (flags < 0)
		1648	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1469		1649
1470	if (offset < 0)	1650	if (offset < 0)
1471	offset += svlen;	1651	offset += svlen;
1472		1652
1473	if (offset < 0 || offset > svlen)	1653	if (offset < 0 || offset > svlen)
…		…
1488	REQ_SEND;	1668	REQ_SEND;
1489	}	1669	}
1490	}	1670	}
1491		1671
1492	void	1672	void
1493	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1673	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1494	PPCODE:	1674	PPCODE:
1495	{	1675	{
1496	STRLEN svlen;	1676	STRLEN svlen;
1497	char *svptr = SvPVbyte (data, svlen);	1677	char *svptr = SvPVbyte (data, svlen);
1498	UV len = SvUV (length);	1678	UV len = SvUV (length);
…		…
1517	REQ_SEND;	1697	REQ_SEND;
1518	}	1698	}
1519	}	1699	}
1520		1700
1521	void	1701	void
1522	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1702	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1523	PPCODE:	1703	PPCODE:
1524	{	1704	{
1525	dREQ;	1705	dREQ;
1526		1706
1527	req->type = EIO_MLOCKALL;	1707	req->type = EIO_MLOCKALL;
…		…
1529		1709
1530	REQ_SEND;	1710	REQ_SEND;
1531	}	1711	}
1532		1712
1533	void	1713	void
		1714	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1715	PPCODE:
		1716	{
		1717	int fd = s_fileno_croak (fh, 0);
		1718	dREQ;
		1719
		1720	req->type = EIO_CUSTOM;
		1721	req->sv1 = newSVsv (fh);
		1722	req->int1 = fd;
		1723
		1724	req->feed = fiemap;
		1725	#if HAVE_FIEMAP
		1726	/* keep our fingers crossed that the next two types are 64 bit */
		1727	req->offs = start;
		1728	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1729	req->int2 = flags;
		1730	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1731	#endif
		1732
		1733	REQ_SEND;
		1734	}
		1735
		1736	void
1534	aio_busy (double delay, SV *callback=&PL_sv_undef)	1737	aio_busy (double delay, SV *callback = &PL_sv_undef)
1535	PPCODE:	1738	PPCODE:
1536	{	1739	{
1537	dREQ;	1740	dREQ;
1538		1741
1539	req->type = EIO_BUSY;	1742	req->type = EIO_BUSY;
…		…
1541		1744
1542	REQ_SEND;	1745	REQ_SEND;
1543	}	1746	}
1544		1747
1545	void	1748	void
1546	aio_group (SV *callback=&PL_sv_undef)	1749	aio_group (SV *callback = &PL_sv_undef)
1547	PPCODE:	1750	PPCODE:
1548	{	1751	{
1549	dREQ;	1752	dREQ;
1550		1753
1551	req->type = EIO_GROUP;	1754	req->type = EIO_GROUP;
1552		1755
		1756	PUTBACK;
1553	req_submit (req);	1757	req_submit (req);
		1758	SPAGAIN;
		1759
1554	XPUSHs (req_sv (req, aio_grp_stash));	1760	XPUSHs (req_sv (req, aio_grp_stash));
1555	}	1761	}
1556		1762
1557	void	1763	void
1558	aio_nop (SV *callback=&PL_sv_undef)	1764	aio_nop (SV *callback = &PL_sv_undef)
1559	ALIAS:	1765	ALIAS:
1560	aio_nop = EIO_NOP	1766	aio_nop = EIO_NOP
1561	aio_sync = EIO_SYNC	1767	aio_sync = EIO_SYNC
1562	PPCODE:	1768	PPCODE:
1563	{	1769	{
…		…
1567		1773
1568	REQ_SEND;	1774	REQ_SEND;
1569	}	1775	}
1570		1776
1571	int	1777	int
1572	aioreq_pri (int pri = 0)	1778	aioreq_pri (int pri = NO_INIT)
1573	CODE:	1779	CODE:
1574	RETVAL = next_pri;	1780	RETVAL = next_pri;
1575	if (items > 0)	1781	if (items > 0)
1576	{	1782	{
1577	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1783	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1667	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1873	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1668	OUTPUT:	1874	OUTPUT:
1669	RETVAL	1875	RETVAL
1670		1876
1671	void	1877	void
1672	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1878	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1673	PPCODE:	1879	PPCODE:
1674	sv_unmagic (scalar, MMAP_MAGIC);	1880	sv_unmagic (scalar, MMAP_MAGIC);
1675	{	1881	{
1676	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1882	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1677	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1883	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1704	munmap (SV *scalar)	1910	munmap (SV *scalar)
1705	CODE:	1911	CODE:
1706	sv_unmagic (scalar, MMAP_MAGIC);	1912	sv_unmagic (scalar, MMAP_MAGIC);
1707		1913
1708	int	1914	int
1709	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1915	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1710	ALIAS:	1916	ALIAS:
1711	mprotect = 1	1917	mprotect = 1
1712	CODE:	1918	CODE:
1713	{	1919	{
1714	STRLEN svlen;	1920	STRLEN svlen;
1715	void *addr = SvPVbyte (scalar, svlen);	1921	void *addr = SvPVbyte (scalar, svlen);
1716	size_t len = SvUV (length);	1922	STRLEN len = SvUV (length);
1717		1923
1718	if (offset < 0)	1924	if (offset < 0)
1719	offset += svlen;	1925	offset += svlen;
1720		1926
1721	if (offset < 0 || offset > svlen)	1927	if (offset < 0 || offset > svlen)
…		…
1735	}	1941	}
1736	OUTPUT:	1942	OUTPUT:
1737	RETVAL	1943	RETVAL
1738		1944
1739	int	1945	int
1740	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1946	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1741	CODE:	1947	CODE:
1742	{	1948	{
1743	STRLEN svlen;	1949	STRLEN svlen;
1744	void *addr = SvPVbyte (scalar, svlen);	1950	void *addr = SvPVbyte (scalar, svlen);
1745	size_t len = SvUV (length);	1951	size_t len = SvUV (length);
1746		1952
1747	if (offset < 0)	1953	if (offset < 0)
1748	offset += svlen;	1954	offset += svlen;
1749		1955
…		…
1756	addr = (void *)(((intptr_t)addr) + offset);	1962	addr = (void *)(((intptr_t)addr) + offset);
1757	eio_page_align (&addr, &len);	1963	eio_page_align (&addr, &len);
1758	#if _POSIX_MEMLOCK_RANGE	1964	#if _POSIX_MEMLOCK_RANGE
1759	RETVAL = munlock (addr, len);	1965	RETVAL = munlock (addr, len);
1760	#else	1966	#else
1761	RETVAL = ((errno = ENOSYS), -1);	1967	RETVAL = EIO_ENOSYS ();
1762	#endif	1968	#endif
1763	}	1969	}
1764	OUTPUT:	1970	OUTPUT:
1765	RETVAL	1971	RETVAL
1766		1972
…		…
1768	munlockall ()	1974	munlockall ()
1769	CODE:	1975	CODE:
1770	#if _POSIX_MEMLOCK	1976	#if _POSIX_MEMLOCK
1771	munlockall ();	1977	munlockall ();
1772	#else	1978	#else
1773	RETVAL = -1;	1979	RETVAL = EIO_ENOSYS ();
1774	errno = ENOSYS;
1775	#endif	1980	#endif
1776	OUTPUT:	1981	OUTPUT:
1777	RETVAL	1982	RETVAL
		1983
		1984	int
		1985	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1986	CODE:
		1987	{
		1988	#if HAVE_LINUX_SPLICE
		1989	loff_t off_in_, off_out_;
		1990	RETVAL = splice (
		1991	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1992	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1993	length, flags
		1994	);
		1995	#else
		1996	RETVAL = EIO_ENOSYS ();
		1997	#endif
		1998	}
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	int
		2003	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2004	CODE:
		2005	#if HAVE_LINUX_SPLICE
		2006	RETVAL = tee (rfh, wfh, length, flags);
		2007	#else
		2008	RETVAL = EIO_ENOSYS ();
		2009	#endif
		2010	OUTPUT:
		2011	RETVAL
		2012
		2013	int
		2014	pipesize (aio_rfd rfh, int new_size = -1)
		2015	PROTOTYPE: $;$
		2016	CODE:
		2017	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2018	if (new_size >= 0)
		2019	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2020	else
		2021	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2022	#else
		2023	errno = ENOSYS;
		2024	RETVAL = -1;
		2025	#endif
		2026	OUTPUT:
		2027	RETVAL
		2028
		2029	void
		2030	pipe2 (int flags = 0)
		2031	PROTOTYPE: ;$
		2032	PPCODE:
		2033	{
		2034	int fd[2];
		2035	int res;
		2036
		2037	if (flags)
		2038	#if HAVE_PIPE2
		2039	res = pipe2 (fd, flags);
		2040	#else
		2041	res = (errno = ENOSYS, -1);
		2042	#endif
		2043	else
		2044	res = pipe (fd);
		2045
		2046	if (!res)
		2047	{
		2048	EXTEND (SP, 2);
		2049	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2050	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2051	}
		2052	}
1778		2053
1779	void _on_next_submit (SV *cb)	2054	void _on_next_submit (SV *cb)
1780	CODE:	2055	CODE:
1781	SvREFCNT_dec (on_next_submit);	2056	SvREFCNT_dec (on_next_submit);
1782	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2057	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1817	cancel (aio_req_ornot req)	2092	cancel (aio_req_ornot req)
1818	CODE:	2093	CODE:
1819	eio_cancel (req);	2094	eio_cancel (req);
1820		2095
1821	void	2096	void
1822	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2097	cb (aio_req_ornot req, SV *callback = NO_INIT)
1823	PPCODE:	2098	PPCODE:
1824	{	2099	{
1825	if (GIMME_V != G_VOID)	2100	if (GIMME_V != G_VOID)
1826	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2101	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1827		2102
1828	if (items > 1)	2103	if (items > 1)
1829	{	2104	{
1830	SV *cb_cv =get_cb (callback);	2105	SV *cb_cv = get_cb (callback);
1831		2106
1832	SvREFCNT_dec (req->callback);	2107	SvREFCNT_dec (req->callback);
1833	req->callback = SvREFCNT_inc (cb_cv);	2108	req->callback = SvREFCNT_inc (cb_cv);
1834	}	2109	}
1835	}	2110	}
…		…
1892	limit (aio_req grp, int limit)	2167	limit (aio_req grp, int limit)
1893	CODE:	2168	CODE:
1894	eio_grp_limit (grp, limit);	2169	eio_grp_limit (grp, limit);
1895		2170
1896	void	2171	void
1897	feed (aio_req grp, SV *callback=&PL_sv_undef)	2172	feed (aio_req grp, SV *callback = &PL_sv_undef)
1898	CODE:	2173	CODE:
1899	{	2174	{
1900	SvREFCNT_dec (grp->sv2);	2175	SvREFCNT_dec (grp->sv2);
1901	grp->sv2 = newSVsv (callback);	2176	grp->sv2 = newSVsv (callback);
1902	grp->feed = aio_grp_feed;	2177	grp->feed = aio_grp_feed;

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