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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.201 by root, Thu Sep 29 09:57:12 2011 UTC vs.
Revision 1.239 by root, Tue Feb 23 19:42:43 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 ((long)wd)), aio_wd_stash);	314	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377	}	315	}
378		316
379	static aio_req	317	static aio_req
380	SvAIO_REQ (SV *sv)	318	SvAIO_REQ (SV *sv)
381	{	319	{
382	MAGIC *mg;	320	MAGIC *mg;
383		321
384	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
386	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
387	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
388	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
389		328
…		…
394		333
395	static aio_wd	334	static aio_wd
396	SvAIO_WD (SV *sv)	335	SvAIO_WD (SV *sv)
397	{	336	{
398	if (!SvROK (sv)	337	if (!SvROK (sv)
		338	|| SvTYPE (SvRV (sv)) != SVt_PVMG
399	|| SvSTASH (SvRV (sv)) != aio_wd_stash	339	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
400	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
401	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	340	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402		341
403	return (aio_wd)(long)SvIVX (SvRV (sv));	342	return (aio_wd)(long)SvIVX (SvRV (sv));
		343	}
		344
		345	static SV *
		346	newmortalFH (int fd, int flags)
		347	{
		348	if (fd < 0)
		349	return &PL_sv_undef;
		350
		351	GV *gv = (GV *)sv_newmortal ();
		352	char sym[64];
		353	int symlen;
		354
		355	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		356	gv_init (gv, aio_stash, sym, symlen, 0);
		357
		358	symlen = snprintf (
		359	sym,
		360	sizeof (sym),
		361	"%s&=%d",
		362	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		363	fd
		364	);
		365
		366	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		367	? (SV *)gv : &PL_sv_undef;
404	}	368	}
405		369
406	static void	370	static void
407	aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
408	{	372	{
…		…
471	}	435	}
472		436
473	switch (req->type)	437	switch (req->type)
474	{	438	{
475	case EIO_WD_OPEN:	439	case EIO_WD_OPEN:
476	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));	440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
477	break;	441	break;
478		442
479	case EIO_READDIR:	443	case EIO_READDIR:
480	{	444	{
481	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
…		…
536	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	500	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
537	}	501	}
538	break;	502	break;
539		503
540	case EIO_OPEN:	504	case EIO_OPEN:
541	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
542	/* convert fd to fh */
543	SV *fh = &PL_sv_undef;
544
545	if (req->result >= 0)
546	{
547	GV *gv = (GV *)sv_newmortal ();
548	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
549	char sym [64];
550	int symlen;
551
552	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
553	gv_init (gv, aio_stash, sym, symlen, 0);
554
555	symlen = snprintf (
556	sym,
557	sizeof (sym),
558	"%s&=%d",
559	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
560	(int)req->result
561	);
562
563	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
564	fh = (SV *)gv;
565	}
566
567	PUSHs (fh);
568	}
569	break;	506	break;
570		507
571	case EIO_STATVFS:	508	case EIO_STATVFS:
572	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
573	{	510	{
…		…
576	#ifndef _WIN32	513	#ifndef _WIN32
577	if (req->result >= 0)	514	if (req->result >= 0)
578	{	515	{
579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580	HV *hv = newHV ();	517	HV *hv = newHV ();
		518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		519	* chooses to make it a struct.
		520	*/
		521	unsigned long fsid = 0;
		522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581		523
582	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
583		525
584	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	526	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
585	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	527	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
587	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	529	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
588	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	530	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
589	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	531	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
590	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	532	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
591	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	533	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
592	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	535	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
594	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595	}	537	}
596	#endif	538	#endif
597		539
…		…
632	if (!(PL_laststatval = req->result))	574	if (!(PL_laststatval = req->result))
633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635		577
636	PUSHs (sv_result);	578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637	break;	583	break;
638		584
639	case EIO_READ:	585	case EIO_READ:
640	{	586	{
641	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	587	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
644	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
645	PUSHs (sv_result);	591	PUSHs (sv_result);
646	}	592	}
647	break;	593	break;
648		594
		595	case EIO_CUSTOM:
		596	if (req->feed == fiemap)
		597	{
		598	#if HAVE_FIEMAP
		599	if (!req->result)
		600	{
		601	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		602
		603	if (fiemap->fm_extent_count)
		604	{
		605	AV *av = newAV ();
		606	int i;
		607
		608	while (fiemap->fm_mapped_extents)
		609	{
		610	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		611	AV *ext_av = newAV ();
		612
		613	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		614	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		615	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		616	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		617
		618	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		619	}
		620
		621	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		622	}
		623	else
		624	{
		625	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		626	PUSHs (sv_result);
		627	}
		628	}
		629	#endif
		630	}
		631	else
		632	PUSHs (sv_result);
		633	break;
		634
649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650	if (req->result > 0)	636	if (req->result > 0)
651	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
652	/* FALLTHROUGH */	638	/* FALLTHROUGH */
653		639
…		…
689	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
690	SvREFCNT_dec (req->sv3);	676	SvREFCNT_dec (req->sv3);
691	SvREFCNT_dec (req->sv4);	677	SvREFCNT_dec (req->sv4);
692	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
693		679
694	Safefree (req);	680	free (req);
695	}	681	}
696		682
697	static void	683	static void
698	req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
699	{	685	{
…		…
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
…		…
809	{	790	{
810	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
811	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
812	}	793	}
813		794
		795	static aio_req ecb_noinline
		796	dreq (SV *callback)
		797	{
		798	SV *cb_cv;
		799	aio_req req;
		800	int req_pri = next_pri;
		801	next_pri = EIO_PRI_DEFAULT;
		802
		803	cb_cv = get_cb (callback);
		804
		805	req = calloc (sizeof (*req), 1);
		806	if (!req)
		807	croak ("out of memory during eio_req allocation");
		808
		809	req->callback = SvREFCNT_inc (cb_cv);
		810	req->pri = req_pri;
		811
		812	return req;
		813	}
		814
814	#define dREQ \	815	#define dREQ \
815	SV *cb_cv; \	816	aio_req req = dreq (callback); \
816	aio_req req; \
817	int req_pri = next_pri; \
818	next_pri = EIO_PRI_DEFAULT; \
819	\
820	cb_cv = get_cb (callback); \
821	\
822	Newz (0, req, 1, eio_req); \
823	if (!req) \
824	croak ("out of memory during eio_req allocation"); \
825	\
826	req->callback = SvREFCNT_inc (cb_cv); \
827	req->pri = req_pri
828		817
829	#define REQ_SEND \	818	#define REQ_SEND \
830	PUTBACK; \	819	PUTBACK; \
831	req_submit (req); \	820	req_submit (req); \
832	SPAGAIN; \	821	SPAGAIN; \
…		…
837	ecb_inline void	826	ecb_inline void
838	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	827	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
839	{	828	{
840	if (expect_false (SvROK (path)))	829	if (expect_false (SvROK (path)))
841	{	830	{
842	AV *av = (AV *)SvRV (path);	831	SV *rv = SvRV (path);
843	SV *wdob;	832	SV *wdob;
844		833
845	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)	834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
846	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
847
848	path = AvARRAY (av)[1];
849	wdob = AvARRAY (av)[0];
850
851	if (SvOK (wdob))
852	{	835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
853	*wd = SvAIO_WD (wdob);	841	*wd = SvAIO_WD (wdob);
854	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	842	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		843	}
		844	else
		845	*wd = EIO_INVALID_WD;
		846	}
		847	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		848	{
		849	*wd = (aio_wd)(long)SvIVX (rv);
		850	*wdsv = SvREFCNT_inc_NN (rv);
		851	*ptr = ".";
		852	return; /* path set to "." */
855	}	853	}
856	else	854	else
857	*wd = EIO_INVALID_WD;	855	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
858	}	856	}
859		857
860	*pathsv = newSVsv (path);	858	*pathsv = newSVsv (path);
861	*ptr = SvPVbyte_nolen (*pathsv);	859	*ptr = SvPVbyte_nolen (*pathsv);
862	}	860	}
…		…
887	req_set_path1 (req, fh_or_path);	885	req_set_path1 (req, fh_or_path);
888	break;	886	break;
889	}	887	}
890	}	888	}
891		889
		890	XS(boot_IO__AIO) ecb_cold;
		891
892	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
893		893
894	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
895		895
896	BOOT:	896	BOOT:
…		…
900	IV iv;	900	IV iv;
901	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
902	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
903	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
904	# 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)
905	const_iv (EXDEV)	909	const_iv (EXDEV)
906	const_iv (ENOSYS)	910	const_iv (EBADR)
		911
		912	/* for lseek */
		913	const_iv (SEEK_DATA)
		914	const_iv (SEEK_HOLE)
		915
		916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		922
		923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		928
		929	/* the second block will be 0 when missing */
907	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
908	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
909	const_iv (O_RDWR)	932	const_iv (O_RDWR)
910	const_iv (O_CREAT)	933	const_iv (O_CREAT)
911	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
…		…
924	const_iv (O_SEARCH)	947	const_iv (O_SEARCH)
925	const_iv (O_DIRECTORY)	948	const_iv (O_DIRECTORY)
926	const_iv (O_DSYNC)	949	const_iv (O_DSYNC)
927	const_iv (O_RSYNC)	950	const_iv (O_RSYNC)
928	const_iv (O_SYNC)	951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
929	const_iv (O_TTY_INIT)	954	const_iv (O_TTY_INIT)
930		955
931	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
932	const_iv (S_IFCHR)	957	const_iv (S_IFCHR)
933	const_iv (S_IFBLK)	958	const_iv (S_IFBLK)
…		…
935	const_iv (S_IFREG)	960	const_iv (S_IFREG)
936	const_iv (S_IFDIR)	961	const_iv (S_IFDIR)
937	const_iv (S_IFWHT)	962	const_iv (S_IFWHT)
938	const_iv (S_IFSOCK)	963	const_iv (S_IFSOCK)
939	const_iv (S_IFMT)	964	const_iv (S_IFMT)
940
941	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
942	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
943	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
944	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
945	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
946	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
947
948	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
949	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
950	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
951	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
952	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
953		965
954	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
955	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
956	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
957	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
967	const_iv (PROT_NONE)	979	const_iv (PROT_NONE)
968	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
969	const_iv (PROT_READ)	981	const_iv (PROT_READ)
970	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
971		983
972	/*const_iv (MAP_FIXED)*/
973	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
974	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
975	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
976		988
977	/* linuxish */	989	/* linuxish */
978	const_iv (MAP_HUGETLB)
979	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
980	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
981	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
982	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
		994	const_iv (MAP_GROWSDOWN)
		995	const_iv (MAP_32BIT)
		996	const_iv (MAP_HUGETLB)
		997	const_iv (MAP_STACK)
		998
		999	const_iv (FIEMAP_FLAG_SYNC)
		1000	const_iv (FIEMAP_FLAG_XATTR)
		1001	const_iv (FIEMAP_FLAGS_COMPAT)
		1002	const_iv (FIEMAP_EXTENT_LAST)
		1003	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1004	const_iv (FIEMAP_EXTENT_DELALLOC)
		1005	const_iv (FIEMAP_EXTENT_ENCODED)
		1006	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1007	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1008	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1009	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1010	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1011	const_iv (FIEMAP_EXTENT_MERGED)
		1012	const_iv (FIEMAP_EXTENT_SHARED)
		1013
		1014	const_iv (SPLICE_F_MOVE)
		1015	const_iv (SPLICE_F_NONBLOCK)
		1016	const_iv (SPLICE_F_MORE)
		1017	const_iv (SPLICE_F_GIFT)
		1018
		1019	/* these are libeio constants, and are independent of gendef0 */
		1020	const_eio (SEEK_SET)
		1021	const_eio (SEEK_CUR)
		1022	const_eio (SEEK_END)
983		1023
984	const_eio (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
985	const_eio (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
986		1026
987	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
…		…
993	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
994	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
995	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1035	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
996		1036
997	const_eio (FALLOC_FL_KEEP_SIZE)	1037	const_eio (FALLOC_FL_KEEP_SIZE)
		1038	const_eio (FALLOC_FL_PUNCH_HOLE)
		1039	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1040	const_eio (FALLOC_FL_ZERO_RANGE)
998		1041
999	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
1000	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
1001	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
1002	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1070	PROTOTYPE: $	1113	PROTOTYPE: $
1071	CODE:	1114	CODE:
1072	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
1073		1116
1074	void	1117	void
1075	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1076	PPCODE:	1119	PPCODE:
1077	{	1120	{
1078	dREQ;	1121	dREQ;
1079		1122
1080	req->type = EIO_WD_OPEN;	1123	req->type = EIO_WD_OPEN;
…		…
1082		1125
1083	REQ_SEND;	1126	REQ_SEND;
1084	}	1127	}
1085		1128
1086	void	1129	void
1087	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1130	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1088	PPCODE:	1131	PPCODE:
1089	{	1132	{
1090	dREQ;	1133	dREQ;
1091		1134
1092	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
…		…
1096		1139
1097	REQ_SEND;	1140	REQ_SEND;
1098	}	1141	}
1099		1142
1100	void	1143	void
1101	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1102	ALIAS:	1145	ALIAS:
1103	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
1104	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
1105	aio_syncfs = EIO_SYNCFS	1148	aio_syncfs = EIO_SYNCFS
1106	PPCODE:	1149	PPCODE:
1107	{	1150	{
1108	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
1109	dREQ;	1152	dREQ;
1110		1153
1111	req->type = ix;	1154	req->type = ix;
1112	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
1113	req->int1 = fd;	1156	req->int1 = fd;
1114		1157
1115	REQ_SEND (req);	1158	REQ_SEND;
1116	}	1159	}
1117		1160
1118	void	1161	void
1119	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1162	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1120	PPCODE:	1163	PPCODE:
1121	{	1164	{
1122	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
1123	dREQ;	1166	dREQ;
1124		1167
1125	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
1126	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
1127	req->int1 = fd;	1170	req->int1 = fd;
1128	req->offs = offset;	1171	req->offs = offset;
1129	req->size = nbytes;	1172	req->size = nbytes;
1130	req->int2 = flags;	1173	req->int2 = flags;
1131		1174
1132	REQ_SEND (req);	1175	REQ_SEND;
1133	}	1176	}
1134		1177
1135	void	1178	void
1136	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1179	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1137	PPCODE:	1180	PPCODE:
1138	{	1181	{
1139	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
1140	dREQ;	1183	dREQ;
1141		1184
1142	req->type = EIO_FALLOCATE;	1185	req->type = EIO_FALLOCATE;
1143	req->sv1 = newSVsv (fh);	1186	req->sv1 = newSVsv (fh);
1144	req->int1 = fd;	1187	req->int1 = fd;
1145	req->int2 = mode;	1188	req->int2 = mode;
1146	req->offs = offset;	1189	req->offs = offset;
1147	req->size = len;	1190	req->size = len;
1148		1191
1149	REQ_SEND (req);	1192	REQ_SEND;
1150	}	1193	}
1151		1194
1152	void	1195	void
1153	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1196	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1154	PPCODE:	1197	PPCODE:
1155	{	1198	{
1156	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1199	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1157	int fd = s_fileno_croak (fh, 0);	1200	int fd = s_fileno_croak (fh, 0);
1158	dREQ;	1201	dREQ;
1159		1202
1160	if (expect_false (close_fd < 0))	1203	if (expect_false (close_fd < 0))
1161	{	1204	{
1162	int pipefd [2];	1205	int pipefd [2];
…		…
1178	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
1179	req->int1 = close_fd;	1222	req->int1 = close_fd;
1180	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
1181	req->int2 = fd;	1224	req->int2 = fd;
1182		1225
1183	REQ_SEND (req);	1226	REQ_SEND;
1184	}	1227	}
1185		1228
1186	void	1229	void
		1230	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1231	PPCODE:
		1232	{
		1233	int fd = s_fileno_croak (fh, 0);
		1234	dREQ;
		1235
		1236	req->type = EIO_SEEK;
		1237	req->sv1 = newSVsv (fh);
		1238	req->int1 = fd;
		1239	req->offs = SvVAL64 (offset);
		1240	req->int2 = whence;
		1241
		1242	REQ_SEND;
		1243	}
		1244
		1245	void
1187	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1246	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1188	ALIAS:	1247	ALIAS:
1189	aio_read = EIO_READ	1248	aio_read = EIO_READ
1190	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
1191	PPCODE:	1250	PPCODE:
1192	{	1251	{
…		…
1208	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
1209	}	1268	}
1210	else	1269	else
1211	{	1270	{
1212	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
1213	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1214	svptr = SvGROW (data, len + dataoffset + 1);	1273	svptr = sv_grow (data, len + dataoffset + 1);
		1274	else if (SvCUR (data) < len + dataoffset)
		1275	croak ("length + dataoffset outside of scalar, and cannot grow");
1215	}	1276	}
1216		1277
1217	{	1278	{
1218	dREQ;	1279	dREQ;
1219		1280
…		…
1235	REQ_SEND;	1296	REQ_SEND;
1236	}	1297	}
1237	}	1298	}
1238		1299
1239	void	1300	void
		1301	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1302	ALIAS:
		1303	aio_ioctl = EIO_IOCTL
		1304	aio_fcntl = EIO_FCNTL
		1305	PPCODE:
		1306	{
		1307	int fd = s_fileno_croak (fh, 0);
		1308	char *svptr;
		1309
		1310	if (SvPOK (arg) || !SvNIOK (arg))
		1311	{
		1312	STRLEN svlen;
		1313	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1314	#ifdef IOCPARM_LEN
		1315	STRLEN need = IOCPARM_LEN (request);
		1316	#else
		1317	STRLEN need = 256;
		1318	#endif
		1319
		1320	if (svlen < need)
		1321	svptr = SvGROW (arg, need + 1);
		1322	}
		1323	else
		1324	svptr = (char *)SvIV (arg);
		1325
		1326	{
		1327	dREQ;
		1328
		1329	req->type = ix;
		1330	req->sv1 = newSVsv (fh);
		1331	req->int1 = fd;
		1332	req->int2 = (long)request;
		1333	req->sv2 = SvREFCNT_inc (arg);
		1334	req->ptr2 = svptr;
		1335
		1336	REQ_SEND;
		1337	}
		1338	}
		1339
		1340	void
1240	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1341	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1241	ALIAS:	1342	ALIAS:
1242	aio_readlink = EIO_READLINK	1343	aio_readlink = EIO_READLINK
1243	aio_realpath = EIO_REALPATH	1344	aio_realpath = EIO_REALPATH
1244	PPCODE:	1345	PPCODE:
1245	{	1346	{
…		…
1250		1351
1251	REQ_SEND;	1352	REQ_SEND;
1252	}	1353	}
1253		1354
1254	void	1355	void
1255	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1356	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1256	PPCODE:	1357	PPCODE:
1257	{	1358	{
1258	int ifd = s_fileno_croak (in_fh , 0);	1359	int ifd = s_fileno_croak (in_fh , 0);
1259	int ofd = s_fileno_croak (out_fh, 1);	1360	int ofd = s_fileno_croak (out_fh, 1);
1260	dREQ;	1361	dREQ;
1261		1362
1262	req->type = EIO_SENDFILE;	1363	req->type = EIO_SENDFILE;
1263	req->sv1 = newSVsv (out_fh);	1364	req->sv1 = newSVsv (out_fh);
1264	req->int1 = ofd;	1365	req->int1 = ofd;
…		…
1269		1370
1270	REQ_SEND;	1371	REQ_SEND;
1271	}	1372	}
1272		1373
1273	void	1374	void
1274	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1375	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1275	PPCODE:	1376	PPCODE:
1276	{	1377	{
1277	int fd = s_fileno_croak (fh, 0);	1378	int fd = s_fileno_croak (fh, 0);
1278	dREQ;	1379	dREQ;
1279		1380
1280	req->type = EIO_READAHEAD;	1381	req->type = EIO_READAHEAD;
1281	req->sv1 = newSVsv (fh);	1382	req->sv1 = newSVsv (fh);
1282	req->int1 = fd;	1383	req->int1 = fd;
…		…
1285		1386
1286	REQ_SEND;	1387	REQ_SEND;
1287	}	1388	}
1288		1389
1289	void	1390	void
1290	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1391	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1291	ALIAS:	1392	ALIAS:
1292	aio_stat = EIO_STAT	1393	aio_stat = EIO_STAT
1293	aio_lstat = EIO_LSTAT	1394	aio_lstat = EIO_LSTAT
1294	aio_statvfs = EIO_STATVFS	1395	aio_statvfs = EIO_STATVFS
1295	PPCODE:	1396	PPCODE:
1296	{	1397	{
1297	dREQ;	1398	dREQ;
1298		1399
1299	req->sv1 = newSVsv (fh_or_path);
1300	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1400	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1401
1301	REQ_SEND;	1402	REQ_SEND;
1302	}	1403	}
1303		1404
1304	UV	1405	UV
1305	major (UV dev)	1406	major (UV dev)
…		…
1316	RETVAL = makedev (maj, min);	1417	RETVAL = makedev (maj, min);
1317	OUTPUT:	1418	OUTPUT:
1318	RETVAL	1419	RETVAL
1319		1420
1320	void	1421	void
1321	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1422	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1322	PPCODE:	1423	PPCODE:
1323	{	1424	{
1324	dREQ;	1425	dREQ;
1325		1426
1326	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1427	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1329		1430
1330	REQ_SEND;	1431	REQ_SEND;
1331	}	1432	}
1332		1433
1333	void	1434	void
1334	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1435	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1335	PPCODE:	1436	PPCODE:
1336	{	1437	{
1337	dREQ;	1438	dREQ;
1338		1439
1339	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1440	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1341		1442
1342	REQ_SEND;	1443	REQ_SEND;
1343	}	1444	}
1344		1445
1345	void	1446	void
1346	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1447	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1347	PPCODE:	1448	PPCODE:
1348	{	1449	{
1349	dREQ;	1450	dREQ;
1350		1451
1351	req->int2 = mode;	1452	req->int2 = mode;
…		…
1353		1454
1354	REQ_SEND;	1455	REQ_SEND;
1355	}	1456	}
1356		1457
1357	void	1458	void
1358	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1459	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1359	PPCODE:	1460	PPCODE:
1360	{	1461	{
1361	dREQ;	1462	dREQ;
1362		1463
1363	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1464	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1366		1467
1367	REQ_SEND;	1468	REQ_SEND;
1368	}	1469	}
1369		1470
1370	void	1471	void
1371	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1472	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1372	PPCODE:	1473	PPCODE:
1373	{	1474	{
1374	dREQ;	1475	dREQ;
1375		1476
1376	req->type = EIO_READDIR;	1477	req->type = EIO_READDIR;
…		…
1383		1484
1384	REQ_SEND;	1485	REQ_SEND;
1385	}	1486	}
1386		1487
1387	void	1488	void
1388	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1489	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1389	PPCODE:	1490	PPCODE:
1390	{	1491	{
1391	dREQ;	1492	dREQ;
1392		1493
1393	req->type = EIO_MKDIR;	1494	req->type = EIO_MKDIR;
…		…
1396		1497
1397	REQ_SEND;	1498	REQ_SEND;
1398	}	1499	}
1399		1500
1400	void	1501	void
1401	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1502	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1402	ALIAS:	1503	ALIAS:
1403	aio_unlink = EIO_UNLINK	1504	aio_unlink = EIO_UNLINK
1404	aio_rmdir = EIO_RMDIR	1505	aio_rmdir = EIO_RMDIR
1405	aio_readdir = EIO_READDIR	1506	aio_readdir = EIO_READDIR
1406	PPCODE:	1507	PPCODE:
…		…
1412		1513
1413	REQ_SEND;	1514	REQ_SEND;
1414	}	1515	}
1415		1516
1416	void	1517	void
1417	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1518	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1418	ALIAS:	1519	ALIAS:
1419	aio_link = EIO_LINK	1520	aio_link = EIO_LINK
1420	aio_symlink = EIO_SYMLINK	1521	aio_symlink = EIO_SYMLINK
1421	aio_rename = EIO_RENAME	1522	aio_rename = EIO_RENAME
1422	PPCODE:	1523	PPCODE:
1423	{	1524	{
		1525	eio_wd wd2 = 0;
1424	dREQ;	1526	dREQ;
1425	eio_wd wd2 = 0;
1426		1527
1427	req->type = ix;	1528	req->type = ix;
1428	req_set_path1 (req, oldpath);	1529	req_set_path1 (req, oldpath);
1429	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1530	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1430	req->int3 = (long)wd2;	1531	req->int3 = (long)wd2;
1431		1532
1432	REQ_SEND;	1533	REQ_SEND;
1433	}	1534	}
1434		1535
1435	void	1536	void
1436	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1537	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1437	PPCODE:	1538	PPCODE:
1438	{	1539	{
1439	dREQ;	1540	dREQ;
1440		1541
1441	req->type = EIO_MKNOD;	1542	req->type = EIO_MKNOD;
…		…
1445		1546
1446	REQ_SEND;	1547	REQ_SEND;
1447	}	1548	}
1448		1549
1449	void	1550	void
1450	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1551	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1451	ALIAS:	1552	ALIAS:
1452	aio_mtouch = EIO_MTOUCH	1553	aio_mtouch = EIO_MTOUCH
1453	aio_msync = EIO_MSYNC	1554	aio_msync = EIO_MSYNC
1454	PPCODE:	1555	PPCODE:
1455	{	1556	{
…		…
1478	REQ_SEND;	1579	REQ_SEND;
1479	}	1580	}
1480	}	1581	}
1481		1582
1482	void	1583	void
1483	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1584	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1484	PPCODE:	1585	PPCODE:
1485	{	1586	{
1486	STRLEN svlen;	1587	STRLEN svlen;
1487	char *svptr = SvPVbyte (data, svlen);	1588	char *svptr = SvPVbyte (data, svlen);
1488	UV len = SvUV (length);	1589	UV len = SvUV (length);
…		…
1507	REQ_SEND;	1608	REQ_SEND;
1508	}	1609	}
1509	}	1610	}
1510		1611
1511	void	1612	void
1512	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1613	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1513	PPCODE:	1614	PPCODE:
1514	{	1615	{
1515	dREQ;	1616	dREQ;
1516		1617
1517	req->type = EIO_MLOCKALL;	1618	req->type = EIO_MLOCKALL;
…		…
1519		1620
1520	REQ_SEND;	1621	REQ_SEND;
1521	}	1622	}
1522		1623
1523	void	1624	void
		1625	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1626	PPCODE:
		1627	{
		1628	int fd = s_fileno_croak (fh, 0);
		1629	dREQ;
		1630
		1631	req->type = EIO_CUSTOM;
		1632	req->sv1 = newSVsv (fh);
		1633	req->int1 = fd;
		1634
		1635	req->feed = fiemap;
		1636	#if HAVE_FIEMAP
		1637	/* keep our fingers crossed that the next two types are 64 bit */
		1638	req->offs = start;
		1639	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1640	req->int2 = flags;
		1641	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1642	#endif
		1643
		1644	REQ_SEND;
		1645	}
		1646
		1647	void
1524	aio_busy (double delay, SV *callback=&PL_sv_undef)	1648	aio_busy (double delay, SV *callback = &PL_sv_undef)
1525	PPCODE:	1649	PPCODE:
1526	{	1650	{
1527	dREQ;	1651	dREQ;
1528		1652
1529	req->type = EIO_BUSY;	1653	req->type = EIO_BUSY;
…		…
1531		1655
1532	REQ_SEND;	1656	REQ_SEND;
1533	}	1657	}
1534		1658
1535	void	1659	void
1536	aio_group (SV *callback=&PL_sv_undef)	1660	aio_group (SV *callback = &PL_sv_undef)
1537	PPCODE:	1661	PPCODE:
1538	{	1662	{
1539	dREQ;	1663	dREQ;
1540		1664
1541	req->type = EIO_GROUP;	1665	req->type = EIO_GROUP;
1542		1666
		1667	PUTBACK;
1543	req_submit (req);	1668	req_submit (req);
		1669	SPAGAIN;
		1670
1544	XPUSHs (req_sv (req, aio_grp_stash));	1671	XPUSHs (req_sv (req, aio_grp_stash));
1545	}	1672	}
1546		1673
1547	void	1674	void
1548	aio_nop (SV *callback=&PL_sv_undef)	1675	aio_nop (SV *callback = &PL_sv_undef)
1549	ALIAS:	1676	ALIAS:
1550	aio_nop = EIO_NOP	1677	aio_nop = EIO_NOP
1551	aio_sync = EIO_SYNC	1678	aio_sync = EIO_SYNC
1552	PPCODE:	1679	PPCODE:
1553	{	1680	{
…		…
1557		1684
1558	REQ_SEND;	1685	REQ_SEND;
1559	}	1686	}
1560		1687
1561	int	1688	int
1562	aioreq_pri (int pri = 0)	1689	aioreq_pri (int pri = NO_INIT)
1563	CODE:	1690	CODE:
1564	RETVAL = next_pri;	1691	RETVAL = next_pri;
1565	if (items > 0)	1692	if (items > 0)
1566	{	1693	{
1567	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1694	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1657	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1784	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1658	OUTPUT:	1785	OUTPUT:
1659	RETVAL	1786	RETVAL
1660		1787
1661	void	1788	void
1662	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1789	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1663	PPCODE:	1790	PPCODE:
1664	sv_unmagic (scalar, MMAP_MAGIC);	1791	sv_unmagic (scalar, MMAP_MAGIC);
1665	{	1792	{
1666	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1793	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1667	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1794	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1694	munmap (SV *scalar)	1821	munmap (SV *scalar)
1695	CODE:	1822	CODE:
1696	sv_unmagic (scalar, MMAP_MAGIC);	1823	sv_unmagic (scalar, MMAP_MAGIC);
1697		1824
1698	int	1825	int
1699	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1826	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1700	ALIAS:	1827	ALIAS:
1701	mprotect = 1	1828	mprotect = 1
1702	CODE:	1829	CODE:
1703	{	1830	{
1704	STRLEN svlen;	1831	STRLEN svlen;
1705	void *addr = SvPVbyte (scalar, svlen);	1832	void *addr = SvPVbyte (scalar, svlen);
1706	size_t len = SvUV (length);	1833	STRLEN len = SvUV (length);
1707		1834
1708	if (offset < 0)	1835	if (offset < 0)
1709	offset += svlen;	1836	offset += svlen;
1710		1837
1711	if (offset < 0 || offset > svlen)	1838	if (offset < 0 || offset > svlen)
…		…
1725	}	1852	}
1726	OUTPUT:	1853	OUTPUT:
1727	RETVAL	1854	RETVAL
1728		1855
1729	int	1856	int
1730	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1857	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1731	CODE:	1858	CODE:
1732	{	1859	{
1733	STRLEN svlen;	1860	STRLEN svlen;
1734	void *addr = SvPVbyte (scalar, svlen);	1861	void *addr = SvPVbyte (scalar, svlen);
1735	size_t len = SvUV (length);	1862	size_t len = SvUV (length);
1736		1863
1737	if (offset < 0)	1864	if (offset < 0)
1738	offset += svlen;	1865	offset += svlen;
1739		1866
…		…
1746	addr = (void *)(((intptr_t)addr) + offset);	1873	addr = (void *)(((intptr_t)addr) + offset);
1747	eio_page_align (&addr, &len);	1874	eio_page_align (&addr, &len);
1748	#if _POSIX_MEMLOCK_RANGE	1875	#if _POSIX_MEMLOCK_RANGE
1749	RETVAL = munlock (addr, len);	1876	RETVAL = munlock (addr, len);
1750	#else	1877	#else
1751	RETVAL = ((errno = ENOSYS), -1);	1878	RETVAL = EIO_ENOSYS ();
1752	#endif	1879	#endif
1753	}	1880	}
1754	OUTPUT:	1881	OUTPUT:
1755	RETVAL	1882	RETVAL
1756		1883
…		…
1758	munlockall ()	1885	munlockall ()
1759	CODE:	1886	CODE:
1760	#if _POSIX_MEMLOCK	1887	#if _POSIX_MEMLOCK
1761	munlockall ();	1888	munlockall ();
1762	#else	1889	#else
1763	RETVAL = -1;	1890	RETVAL = EIO_ENOSYS ();
1764	errno = ENOSYS;
1765	#endif	1891	#endif
1766	OUTPUT:	1892	OUTPUT:
1767	RETVAL	1893	RETVAL
		1894
		1895	int
		1896	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1897	CODE:
		1898	{
		1899	#if HAVE_LINUX_SPLICE
		1900	loff_t off_in_, off_out_;
		1901	RETVAL = splice (
		1902	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1903	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1904	length, flags
		1905	);
		1906	#else
		1907	RETVAL = EIO_ENOSYS ();
		1908	#endif
		1909	}
		1910	OUTPUT:
		1911	RETVAL
		1912
		1913	int
		1914	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1915	CODE:
		1916	#if HAVE_LINUX_SPLICE
		1917	RETVAL = tee (rfh, wfh, length, flags);
		1918	#else
		1919	RETVAL = EIO_ENOSYS ();
		1920	#endif
		1921	OUTPUT:
		1922	RETVAL
		1923
		1924	int
		1925	pipesize (aio_rfd rfh, int new_size = -1)
		1926	PROTOTYPE: $;$
		1927	CODE:
		1928	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1929	if (new_size >= 0)
		1930	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1931	else
		1932	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1933	#else
		1934	errno = ENOSYS;
		1935	RETVAL = -1;
		1936	#endif
		1937	OUTPUT:
		1938	RETVAL
		1939
		1940	void
		1941	pipe2 (int flags = 0)
		1942	PROTOTYPE: ;$
		1943	PPCODE:
		1944	{
		1945	int fd[2];
		1946	int res;
		1947
		1948	if (flags)
		1949	#if HAVE_PIPE2
		1950	res = pipe2 (fd, flags);
		1951	#else
		1952	res = (errno = ENOSYS, -1);
		1953	#endif
		1954	else
		1955	res = pipe (fd);
		1956
		1957	if (!res)
		1958	{
		1959	EXTEND (SP, 2);
		1960	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1961	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1962	}
		1963	}
1768		1964
1769	void _on_next_submit (SV *cb)	1965	void _on_next_submit (SV *cb)
1770	CODE:	1966	CODE:
1771	SvREFCNT_dec (on_next_submit);	1967	SvREFCNT_dec (on_next_submit);
1772	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1968	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1785	DESTROY (SV *self)	1981	DESTROY (SV *self)
1786	CODE:	1982	CODE:
1787	{	1983	{
1788	aio_wd wd = SvAIO_WD (self);	1984	aio_wd wd = SvAIO_WD (self);
1789	#if HAVE_AT	1985	#if HAVE_AT
		1986	{
1790	SV *callback = &PL_sv_undef;	1987	SV *callback = &PL_sv_undef;
1791	dREQ; /* clobbers next_pri :/ */	1988	dREQ; /* clobbers next_pri :/ */
		1989	next_pri = req->pri; /* restore next_pri */
		1990	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1792	req->type = EIO_WD_CLOSE;	1991	req->type = EIO_WD_CLOSE;
1793	req->wd = wd;	1992	req->wd = wd;
1794	REQ_SEND;	1993	REQ_SEND;
		1994	}
1795	#else	1995	#else
1796	eio_wd_close_sync (wd);	1996	eio_wd_close_sync (wd);
1797	#endif	1997	#endif
1798	}	1998	}
1799		1999
…		…
1803	cancel (aio_req_ornot req)	2003	cancel (aio_req_ornot req)
1804	CODE:	2004	CODE:
1805	eio_cancel (req);	2005	eio_cancel (req);
1806		2006
1807	void	2007	void
1808	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2008	cb (aio_req_ornot req, SV *callback = NO_INIT)
1809	PPCODE:	2009	PPCODE:
1810	{	2010	{
1811	if (GIMME_V != G_VOID)	2011	if (GIMME_V != G_VOID)
1812	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2012	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1813		2013
1814	if (items > 1)	2014	if (items > 1)
1815	{	2015	{
1816	SV *cb_cv =get_cb (callback);	2016	SV *cb_cv = get_cb (callback);
1817		2017
1818	SvREFCNT_dec (req->callback);	2018	SvREFCNT_dec (req->callback);
1819	req->callback = SvREFCNT_inc (cb_cv);	2019	req->callback = SvREFCNT_inc (cb_cv);
1820	}	2020	}
1821	}	2021	}
…		…
1878	limit (aio_req grp, int limit)	2078	limit (aio_req grp, int limit)
1879	CODE:	2079	CODE:
1880	eio_grp_limit (grp, limit);	2080	eio_grp_limit (grp, limit);
1881		2081
1882	void	2082	void
1883	feed (aio_req grp, SV *callback=&PL_sv_undef)	2083	feed (aio_req grp, SV *callback = &PL_sv_undef)
1884	CODE:	2084	CODE:
1885	{	2085	{
1886	SvREFCNT_dec (grp->sv2);	2086	SvREFCNT_dec (grp->sv2);
1887	grp->sv2 = newSVsv (callback);	2087	grp->sv2 = newSVsv (callback);
1888	grp->feed = aio_grp_feed;	2088	grp->feed = aio_grp_feed;

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