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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC vs.
Revision 1.230 by root, Tue Jun 3 01:30:33 2014 UTC

…		…
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	22	#endif
23		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
		35	#endif
		36
24	/* perl namespace pollution */	37	/* perl namespace pollution */
25	#undef VERSION	38	#undef VERSION
26		39
27	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	43	#undef opendir
31	#undef closedir	44	#undef closedir
32		45
33	#ifdef _WIN32	46	#ifdef _WIN32
34		47
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions	48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
40	# undef open	52	#undef open
41	# undef read	53	#undef read
42	# undef write	54	#undef write
43	# undef send	55	#undef send
44	# undef recv	56	#undef recv
		57	#undef stat
45	# undef lstat	58	#undef lstat
		59	#undef fstat
46	# undef truncate	60	#undef truncate
47	# undef ftruncate	61	#undef ftruncate
48	# undef open	62	#undef open
49	# undef link	63	#undef link
50	# undef close	64	#undef close
51	# undef unlink	65	#undef unlink
52	# undef mkdir	66	#undef mkdir
53	# undef rmdir	67	#undef rmdir
54	# undef rename	68	#undef rename
55	# undef lseek	69	#undef lseek
56	# undef opendir	70	#undef opendir
57	# undef readdir	71	#undef readdir
58	# undef closedir	72	#undef closedir
59	# undef chmod	73	#undef chmod
60	# undef fchmod	74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
61		79
62	# define opendir(fd) EIO_ERRNO (ENOSYS, 0)	80	#define EIO_STRUCT_STAT struct _stati64
63	# define readdir(fd) EIO_ENOSYS ()	81	#define EIO_STRUCT_STATI64
64	# define closedir(fd) EIO_ENOSYS ()
65		82
66	#else	83	#else
67		84
68	# include <sys/time.h>	85	#include <sys/time.h>
69	# include <sys/select.h>	86	#include <sys/select.h>
70	# include <unistd.h>	87	#include <unistd.h>
71	# include <utime.h>	88	#include <utime.h>
72	# include <signal.h>	89	#include <signal.h>
73		90
74	#endif
75
76	#define EIO_STRUCT_STAT Stat_t	91	#define EIO_STRUCT_STAT Stat_t
77		92
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define VAL64 IV
81	# define SvVAL64 SvIV
82	# define newSVval64 newSViv
83	#else
84	# define VAL64 NV
85	# define SvVAL64 SvNV
86	# define newSVval64 newSVnv
87	#endif	93	#endif
88		94
89	/*****************************************************************************/	95	/*****************************************************************************/
90		96
91	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
101		107
102	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
103	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
104	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
105		111
106	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
107		113
108	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
109	SV *callback; \	115	SV *callback; \
110	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
111	STRLEN stroffset; \	118	STRLEN stroffset; \
112	SV *self;	119	SV *self;
113		120
114	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
115		122
116	#include "libeio/config.h"	123	#include "libeio/config.h"
117	#include "libeio/eio.h"	124	#include "libeio/eio.h"
118		125
119	/* Linux/others */	126	static int req_invoke (eio_req *req);
120	#ifndef O_ASYNC	127	#define EIO_FINISH(req) req_invoke (req)
121	# define O_ASYNC 0	128	static void req_destroy (eio_req *grp);
122	#endif	129	#define EIO_DESTROY(req) req_destroy (req)
123	#ifndef O_DIRECT
124	# define O_DIRECT 0
125	#endif
126	#ifndef O_NOATIME
127	# define O_NOATIME 0
128	#endif
129		130
130	/* POSIX */	131	#include "libeio/eio.c"
131	#ifndef O_CLOEXEC
132	# define O_CLOEXEC 0
133	#endif
134	#ifndef O_NOFOLLOW
135	# define O_NOFOLLOW 0
136	#endif
137	#ifndef O_NOCTTY
138	# define O_NOCTTY 0
139	#endif
140	#ifndef O_NONBLOCK
141	# define O_NONBLOCK 0
142	#endif
143	#ifndef O_EXEC
144	# define O_EXEC 0
145	#endif
146	#ifndef O_SEARCH
147	# define O_SEARCH 0
148	#endif
149	#ifndef O_DIRECTORY
150	# define O_DIRECTORY 0
151	#endif
152	#ifndef O_DSYNC
153	# define O_DSYNC 0
154	#endif
155	#ifndef O_RSYNC
156	# define O_RSYNC 0
157	#endif
158	#ifndef O_SYNC
159	# define O_SYNC 0
160	#endif
161	#ifndef O_TTY_INIT
162	# define O_TTY_INIT 0
163	#endif
164
165	#ifndef POSIX_FADV_NORMAL
166	# define POSIX_FADV_NORMAL 0
167	#endif
168	#ifndef POSIX_FADV_SEQUENTIAL
169	# define POSIX_FADV_SEQUENTIAL 0
170	#endif
171	#ifndef POSIX_FADV_RANDOM
172	# define POSIX_FADV_RANDOM 0
173	#endif
174	#ifndef POSIX_FADV_NOREUSE
175	# define POSIX_FADV_NOREUSE 0
176	#endif
177	#ifndef POSIX_FADV_WILLNEED
178	# define POSIX_FADV_WILLNEED 0
179	#endif
180	#ifndef POSIX_FADV_DONTNEED
181	# define POSIX_FADV_DONTNEED 0
182	#endif
183		132
184	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
185	# 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 */
186	#endif	135	#endif
187		136
188	#ifndef POSIX_MADV_NORMAL
189	# define POSIX_MADV_NORMAL 0
190	#endif
191	#ifndef POSIX_MADV_SEQUENTIAL
192	# define POSIX_MADV_SEQUENTIAL 0
193	#endif
194	#ifndef POSIX_MADV_RANDOM
195	# define POSIX_MADV_RANDOM 0
196	#endif
197	#ifndef POSIX_MADV_WILLNEED
198	# define POSIX_MADV_WILLNEED 0
199	#endif
200	#ifndef POSIX_MADV_DONTNEED
201	# define POSIX_MADV_DONTNEED 0
202	#endif
203
204	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
205	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206	#endif
207
208	#ifndef PROT_NONE
209	# define PROT_NONE 0
210	#endif
211	#ifndef PROT_READ
212	# define PROT_READ 0
213	#endif
214	#ifndef PROT_WRITE
215	# define PROT_READ 0
216	#endif
217	#ifndef PROT_EXEC
218	# define PROT_EXEC 0
219	#endif
220
221	#ifndef ST_RDONLY
222	# define ST_RDONLY 0
223	#endif
224	#ifndef ST_NOSUID
225	# define ST_NOSUID 0
226	#endif
227	#ifndef ST_NODEV
228	# define ST_NODEV 0
229	#endif
230	#ifndef ST_NOEXEC
231	# define ST_NOEXEC 0
232	#endif
233	#ifndef ST_SYNCHRONOUS
234	# define ST_SYNCHRONOUS 0
235	#endif
236	#ifndef ST_MANDLOCK
237	# define ST_MANDLOCK 0
238	#endif
239	#ifndef ST_WRITE
240	# define ST_WRITE 0
241	#endif
242	#ifndef ST_APPEND
243	# define ST_APPEND 0
244	#endif
245	#ifndef ST_IMMUTABLE
246	# define ST_IMMUTABLE 0
247	#endif
248	#ifndef ST_NOATIME
249	# define ST_NOATIME 0
250	#endif
251	#ifndef ST_NODIRATIME
252	# define ST_NODIRATIME 0
253	#endif
254	#ifndef ST_RELATIME
255	# define ST_RELATIME 0
256	#endif
257
258	#ifndef S_IFIFO
259	# define S_IFIFO 0
260	#endif
261	#ifndef S_IFCHR
262	# define S_IFCHR 0
263	#endif
264	#ifndef S_IFBLK
265	# define S_IFBLK 0
266	#endif
267	#ifndef S_IFLNK
268	# define S_IFLNK 0
269	#endif
270	#ifndef S_IFREG
271	# define S_IFREG 0
272	#endif
273	#ifndef S_IFDIR
274	# define S_IFDIR 0
275	#endif
276	#ifndef S_IFWHT
277	# define S_IFWHT 0
278	#endif
279	#ifndef S_IFSOCK
280	# define S_IFSOCK 0
281	#endif	139	#endif
282		140
283	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
284	# ifdef MAP_ANON	142	# ifdef MAP_ANON
285	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
286	# else	144	# else
287	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288	# endif	146	# endif
289	#endif	147	#endif
290	#ifndef MAP_HUGETLB	148
291	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
292	#endif	150	#include "def0.h"
293	#ifndef MAP_LOCKED
294	# define MAP_LOCKED 0
295	#endif
296	#ifndef MAP_NORESERVE
297	# define MAP_NORESERVE 0
298	#endif
299	#ifndef MAP_POPULATE
300	# define MAP_POPULATE 0
301	#endif
302	#ifndef MAP_NONBLOCK
303	# define MAP_NONBLOCK 0
304	#endif
305		151
306	#ifndef makedev	152	#ifndef makedev
307	# define makedev(maj,min) (((maj) << 8) | (min))	153	# define makedev(maj,min) (((maj) << 8) | (min))
308	#endif	154	#endif
309	#ifndef major	155	#ifndef major
…		…
311	#endif	157	#endif
312	#ifndef minor	158	#ifndef minor
313	# define minor(dev) ((dev) & 0xff)	159	# define minor(dev) ((dev) & 0xff)
314	#endif	160	#endif
315		161
316	#ifndef PAGESIZE	162	#if PAGESIZE <= 0
317	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
318	#endif	164	#endif
319		165
320	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
321	#define EIO_FINISH(req) req_invoke (req)	167
322	static void req_destroy (eio_req *grp);	168	static void
323	#define EIO_DESTROY(req) req_destroy (req)	169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags |= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	|| !fiemap->fm_mapped_extents /* no more extents */
		203	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap *incmap = (struct fiemap *)scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
324		265
325	enum {	266	enum {
326	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
327	};	268	};
328		269
329	#include "libeio/eio.c"
330
331	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
332	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
333		273
334	static SV *on_next_submit;	274	static SV *on_next_submit;
335	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
336	static int max_outstanding;	276	static int max_outstanding;
337		277
338	static s_epipe respipe;	278	static s_epipe respipe;
339		279
340	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
341	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
342		282
343	static void want_poll (void)	283	static void
		284	want_poll (void)
344	{	285	{
345	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
346	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
347	}	288	}
348		289
349	static void done_poll (void)	290	static void
		291	done_poll (void)
350	{	292	{
351	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
352	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
353	}	295	}
354		296
355	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
356	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
357	{	300	{
358	if (!req->self)	301	if (!req->self)
359	{	302	{
360	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
361	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
362	}	305	}
363		306
364	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
365	}	308	}
366		309
367	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
368	{	318	{
369	MAGIC *mg;	319	MAGIC *mg;
370		320
371	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
372	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
373	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
374	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
375	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
376		327
377	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
378		329
379	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
380	}	331	}
381		332
		333	static aio_wd
		334	SvAIO_WD (SV *sv)
		335	{
		336	if (!SvROK (sv)
		337	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		338	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		340
		341	return (aio_wd)(long)SvIVX (SvRV (sv));
		342	}
		343
		344	static void
382	static void aio_grp_feed (aio_req grp)	345	aio_grp_feed (aio_req grp)
383	{	346	{
384	if (grp->sv2 && SvOK (grp->sv2))	347	if (grp->sv2 && SvOK (grp->sv2))
385	{	348	{
386	dSP;	349	dSP;
387		350
…		…
395	FREETMPS;	358	FREETMPS;
396	LEAVE;	359	LEAVE;
397	}	360	}
398	}	361	}
399		362
		363	static void
400	static void req_submit (eio_req *req)	364	req_submit (eio_req *req)
401	{	365	{
402	eio_submit (req);	366	eio_submit (req);
403		367
404	if (expect_false (on_next_submit))	368	if (expect_false (on_next_submit))
405	{	369	{
…		…
412	PUTBACK;	376	PUTBACK;
413	call_sv (cb, G_DISCARD | G_EVAL);	377	call_sv (cb, G_DISCARD | G_EVAL);
414	}	378	}
415	}	379	}
416		380
		381	static int
417	static int req_invoke (eio_req *req)	382	req_invoke (eio_req *req)
418	{	383	{
419	if (req->flags & FLAG_SV2_RO_OFF)	384	if (req->flags & FLAG_SV2_RO_OFF)
420	SvREADONLY_off (req->sv2);	385	SvREADONLY_off (req->sv2);
421		386
422	if (!EIO_CANCELLED (req) && req->callback)	387	if (!EIO_CANCELLED (req) && req->callback)
…		…
443	SvREADONLY_on (sv_result);	408	SvREADONLY_on (sv_result);
444	}	409	}
445		410
446	switch (req->type)	411	switch (req->type)
447	{	412	{
		413	case EIO_WD_OPEN:
		414	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		415	break;
		416
448	case EIO_READDIR:	417	case EIO_READDIR:
449	{	418	{
450	SV *rv = &PL_sv_undef;	419	SV *rv = &PL_sv_undef;
451		420
452	if (req->result >= 0)	421	if (req->result >= 0)
…		…
545	#ifndef _WIN32	514	#ifndef _WIN32
546	if (req->result >= 0)	515	if (req->result >= 0)
547	{	516	{
548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549	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));
550		524
551	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
552		526
553	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);
554	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);
…		…
556	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);
557	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);
558	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);
559	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);
560	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);
561	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562	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);
563	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);
564	}	538	}
565	#endif	539	#endif
566		540
…		…
594	break;	568	break;
595		569
596	case EIO_STAT:	570	case EIO_STAT:
597	case EIO_LSTAT:	571	case EIO_LSTAT:
598	case EIO_FSTAT:	572	case EIO_FSTAT:
599	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
600	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
601	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
602	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)));
603	break;	584	break;
604		585
605	case EIO_READ:	586	case EIO_READ:
606	{	587	{
607	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));
…		…
610	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
611	PUSHs (sv_result);	592	PUSHs (sv_result);
612	}	593	}
613	break;	594	break;
614		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
615	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 */
616	if (req->result > 0)	637	if (req->result > 0)
617	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
618	/* FALLTHROUGH */	639	/* FALLTHROUGH */
619		640
…		…
640	}	661	}
641		662
642	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
643	}	664	}
644		665
		666	static void
645	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
646	{	668	{
647	if (req->self)	669	if (req->self)
648	{	670	{
649	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
650	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
651	}	673	}
652		674
653	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
654	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
655	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
656		680
657	Safefree (req);	681	free (req);
658	}	682	}
659		683
		684	static void
660	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
661	{	686	{
662	aio_req sub;
663
664	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
665	return;	688	return;
666		689
667	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	691	grp->sv2 = 0;
669		692
670	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
671	}	694	}
672		695
		696	static void ecb_cold
673	static void create_respipe (void)	697	create_respipe (void)
674	{	698	{
675	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
677	}	701	}
678		702
679	static void poll_wait (void)	703	static void
		704	poll_wait (void)
680	{	705	{
681	while (eio_nreqs ())	706	while (eio_nreqs ())
682	{	707	{
683	int size;	708	int size;
684		709
…		…
693		718
694	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
695	}	720	}
696	}	721	}
697		722
698	static int poll_cb (void)	723	static int
		724	poll_cb (void)
699	{	725	{
700	for (;;)	726	for (;;)
701	{	727	{
702	int res = eio_poll ();	728	int res = eio_poll ();
703		729
…		…
709		735
710	poll_wait ();	736	poll_wait ();
711	}	737	}
712	}	738	}
713		739
714	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
715	{	742	{
716	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
717	}	747	}
718		748
719	/*****************************************************************************/	749	/*****************************************************************************/
720		750
721	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
722	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
723	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
724	#endif	754	#endif
725		755
726	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
727	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
728	# define PROT_NONE 0	758	# define PROT_NONE 0
729	# define PROT_WRITE 0	759	# define PROT_WRITE 0
730	# define MAP_PRIVATE 0	760	# define MAP_PRIVATE 0
731	# define MAP_SHARED 0	761	# define MAP_SHARED 0
732	# define MAP_FIXED 0	762	# define MAP_FIXED 0
733	#endif	763	#endif
734		764
735	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
736		766
		767	static int ecb_cold
737	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	768	mmap_free (pTHX_ SV *sv, MAGIC *mg)
738	{	769	{
739	int old_errno = errno;	770	int old_errno = errno;
740	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741	errno = old_errno;	772	errno = old_errno;
742		773
…		…
758	0, 0, 0, 0, mmap_free	789	0, 0, 0, 0, mmap_free
759	};	790	};
760		791
761	/*****************************************************************************/	792	/*****************************************************************************/
762		793
		794	static SV *
763	static SV * get_cb (SV *cb_sv)	795	get_cb (SV *cb_sv)
764	{	796	{
765	SvGETMAGIC (cb_sv);	797	SvGETMAGIC (cb_sv);
766	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	798	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
767	}	799	}
768		800
		801	static aio_req ecb_noinline
		802	dreq (SV *callback)
		803	{
		804	SV *cb_cv;
		805	aio_req req;
		806	int req_pri = next_pri;
		807	next_pri = EIO_PRI_DEFAULT;
		808
		809	cb_cv = get_cb (callback);
		810
		811	req = calloc (sizeof (*req), 1);
		812	if (!req)
		813	croak ("out of memory during eio_req allocation");
		814
		815	req->callback = SvREFCNT_inc (cb_cv);
		816	req->pri = req_pri;
		817
		818	return req;
		819	}
		820
769	#define dREQ \	821	#define dREQ \
770	SV *cb_cv; \	822	aio_req req = dreq (callback); \
771	aio_req req; \
772	int req_pri = next_pri; \
773	next_pri = EIO_PRI_DEFAULT; \
774	\
775	cb_cv = get_cb (callback); \
776	\
777	Newz (0, req, 1, eio_req); \
778	if (!req) \
779	croak ("out of memory during eio_req allocation"); \
780	\
781	req->callback = SvREFCNT_inc (cb_cv); \
782	req->pri = req_pri
783		823
784	#define REQ_SEND \	824	#define REQ_SEND \
785	PUTBACK; \	825	PUTBACK; \
786	req_submit (req); \	826	req_submit (req); \
787	SPAGAIN; \	827	SPAGAIN; \
788	\	828	\
789	if (GIMME_V != G_VOID) \	829	if (GIMME_V != G_VOID) \
790	XPUSHs (req_sv (req, aio_req_stash));	830	XPUSHs (req_sv (req, aio_req_stash));
791		831
		832	ecb_inline void
		833	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		834	{
		835	if (expect_false (SvROK (path)))
		836	{
		837	SV *rv = SvRV (path);
		838	SV *wdob;
		839
		840	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		841	{
		842	path = AvARRAY (rv)[1];
		843	wdob = AvARRAY (rv)[0];
		844
		845	if (SvOK (wdob))
		846	{
		847	*wd = SvAIO_WD (wdob);
		848	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		849	}
		850	else
		851	*wd = EIO_INVALID_WD;
		852	}
		853	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		854	{
		855	*wd = (aio_wd)(long)SvIVX (rv);
		856	*wdsv = SvREFCNT_inc_NN (rv);
		857	*ptr = ".";
		858	return; /* path set to "." */
		859	}
		860	else
		861	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		862	}
		863
		864	*pathsv = newSVsv (path);
		865	*ptr = SvPVbyte_nolen (*pathsv);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_path1 (aio_req req, SV *path)
		870	{
		871	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		872	}
		873
		874	static void ecb_noinline
		875	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		876	{
		877	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		878
		879	switch (SvTYPE (rv))
		880	{
		881	case SVt_PVIO:
		882	case SVt_PVLV:
		883	case SVt_PVGV:
		884	req->type = type_fh;
		885	req->sv1 = newSVsv (fh_or_path);
		886	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		887	break;
		888
		889	default:
		890	req->type = type_path;
		891	req_set_path1 (req, fh_or_path);
		892	break;
		893	}
		894	}
		895
		896	XS(boot_IO__AIO) ecb_cold;
		897
792	MODULE = IO::AIO PACKAGE = IO::AIO	898	MODULE = IO::AIO PACKAGE = IO::AIO
793		899
794	PROTOTYPES: ENABLE	900	PROTOTYPES: ENABLE
795		901
796	BOOT:	902	BOOT:
…		…
800	IV iv;	906	IV iv;
801	} *civ, const_iv[] = {	907	} *civ, const_iv[] = {
802	# define const_niv(name, value) { # name, (IV) value },	908	# define const_niv(name, value) { # name, (IV) value },
803	# define const_iv(name) { # name, (IV) name },	909	# define const_iv(name) { # name, (IV) name },
804	# define const_eio(name) { # name, (IV) EIO_ ## name },	910	# define const_eio(name) { # name, (IV) EIO_ ## name },
		911
		912	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		913
		914	const_iv (ENOSYS)
805	const_iv (EXDEV)	915	const_iv (EXDEV)
806	const_iv (ENOSYS)	916	const_iv (EBADR)
		917
807	const_iv (O_RDONLY)	918	const_iv (O_RDONLY)
808	const_iv (O_WRONLY)	919	const_iv (O_WRONLY)
809	const_iv (O_RDWR)	920	const_iv (O_RDWR)
810	const_iv (O_CREAT)	921	const_iv (O_CREAT)
811	const_iv (O_TRUNC)	922	const_iv (O_TRUNC)
…		…
879	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
880	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
881	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
882	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
883		994
		995	const_iv (FIEMAP_FLAG_SYNC)
		996	const_iv (FIEMAP_FLAG_XATTR)
		997	const_iv (FIEMAP_FLAGS_COMPAT)
		998	const_iv (FIEMAP_EXTENT_LAST)
		999	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1000	const_iv (FIEMAP_EXTENT_DELALLOC)
		1001	const_iv (FIEMAP_EXTENT_ENCODED)
		1002	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1003	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1004	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1005	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1006	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1007	const_iv (FIEMAP_EXTENT_MERGED)
		1008	const_iv (FIEMAP_EXTENT_SHARED)
		1009
		1010	const_iv (SPLICE_F_MOVE)
		1011	const_iv (SPLICE_F_NONBLOCK)
		1012	const_iv (SPLICE_F_MORE)
		1013	const_iv (SPLICE_F_GIFT)
		1014
		1015	const_iv (SEEK_DATA)
		1016	const_iv (SEEK_HOLE)
		1017
		1018	/* libeio constants */
		1019	const_eio (SEEK_SET)
		1020	const_eio (SEEK_CUR)
		1021	const_eio (SEEK_END)
		1022
884	const_eio (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
885	const_eio (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
886		1025
887	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
888	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
…		…
893	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
894	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
895	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896		1035
897	const_eio (FALLOC_FL_KEEP_SIZE)	1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
898		1038
899	const_eio (READDIR_DENTS)	1039	const_eio (READDIR_DENTS)
900	const_eio (READDIR_DIRS_FIRST)	1040	const_eio (READDIR_DIRS_FIRST)
901	const_eio (READDIR_STAT_ORDER)	1041	const_eio (READDIR_STAT_ORDER)
902	const_eio (READDIR_FOUND_UNKNOWN)	1042	const_eio (READDIR_FOUND_UNKNOWN)
…		…
913	};	1053	};
914		1054
915	aio_stash = gv_stashpv ("IO::AIO" , 1);	1055	aio_stash = gv_stashpv ("IO::AIO" , 1);
916	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1056	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1057	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1058	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918		1059
919	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1060	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1061	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921		1062
922	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1063	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923		1064
924	create_respipe ();	1065	reinit ();
925
926	if (eio_init (want_poll, done_poll) < 0)
927	croak ("IO::AIO: unable to initialise eio library");
928
929	/* atfork child called in fifo order, so before eio's handler */
930	X_THREAD_ATFORK (0, 0, atfork_child);
931	}	1066	}
		1067
		1068	void
		1069	reinit ()
		1070	PROTOTYPE:
932		1071
933	void	1072	void
934	max_poll_reqs (unsigned int nreqs)	1073	max_poll_reqs (unsigned int nreqs)
935	PROTOTYPE: $	1074	PROTOTYPE: $
936	CODE:	1075	CODE:
…		…
971	PROTOTYPE: $	1110	PROTOTYPE: $
972	CODE:	1111	CODE:
973	max_outstanding = maxreqs;	1112	max_outstanding = maxreqs;
974		1113
975	void	1114	void
		1115	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1116	PPCODE:
		1117	{
		1118	dREQ;
		1119
		1120	req->type = EIO_WD_OPEN;
		1121	req_set_path1 (req, pathname);
		1122
		1123	REQ_SEND;
		1124	}
		1125
		1126	void
976	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1127	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
977	PPCODE:	1128	PPCODE:
978	{	1129	{
979	dREQ;	1130	dREQ;
980		1131
981	req->type = EIO_OPEN;	1132	req->type = EIO_OPEN;
982	req->sv1 = newSVsv (pathname);	1133	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984	req->int1 = flags;	1134	req->int1 = flags;
985	req->int2 = mode;	1135	req->int2 = mode;
986		1136
987	REQ_SEND;	1137	REQ_SEND;
988	}	1138	}
…		…
990	void	1140	void
991	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1141	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
992	ALIAS:	1142	ALIAS:
993	aio_fsync = EIO_FSYNC	1143	aio_fsync = EIO_FSYNC
994	aio_fdatasync = EIO_FDATASYNC	1144	aio_fdatasync = EIO_FDATASYNC
		1145	aio_syncfs = EIO_SYNCFS
995	PPCODE:	1146	PPCODE:
996	{	1147	{
997	int fd = s_fileno_croak (fh, 0);	1148	int fd = s_fileno_croak (fh, 0);
998	dREQ;	1149	dREQ;
999		1150
1000	req->type = ix;	1151	req->type = ix;
1001	req->sv1 = newSVsv (fh);	1152	req->sv1 = newSVsv (fh);
1002	req->int1 = fd;	1153	req->int1 = fd;
1003		1154
1004	REQ_SEND (req);	1155	REQ_SEND;
1005	}	1156	}
1006		1157
1007	void	1158	void
1008	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1159	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1009	PPCODE:	1160	PPCODE:
1010	{	1161	{
1011	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
1012	dREQ;	1163	dREQ;
1013		1164
1014	req->type = EIO_SYNC_FILE_RANGE;	1165	req->type = EIO_SYNC_FILE_RANGE;
1015	req->sv1 = newSVsv (fh);	1166	req->sv1 = newSVsv (fh);
1016	req->int1 = fd;	1167	req->int1 = fd;
1017	req->offs = offset;	1168	req->offs = offset;
1018	req->size = nbytes;	1169	req->size = nbytes;
1019	req->int2 = flags;	1170	req->int2 = flags;
1020		1171
1021	REQ_SEND (req);	1172	REQ_SEND;
1022	}	1173	}
1023		1174
1024	void	1175	void
1025	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1176	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1026	PPCODE:	1177	PPCODE:
1027	{	1178	{
1028	int fd = s_fileno_croak (fh, 0);	1179	int fd = s_fileno_croak (fh, 0);
1029	dREQ;	1180	dREQ;
1030		1181
1031	req->type = EIO_FALLOCATE;	1182	req->type = EIO_FALLOCATE;
1032	req->sv1 = newSVsv (fh);	1183	req->sv1 = newSVsv (fh);
1033	req->int1 = fd;	1184	req->int1 = fd;
1034	req->int2 = mode;	1185	req->int2 = mode;
1035	req->offs = offset;	1186	req->offs = offset;
1036	req->size = len;	1187	req->size = len;
1037		1188
1038	REQ_SEND (req);	1189	REQ_SEND;
1039	}	1190	}
1040		1191
1041	void	1192	void
1042	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1193	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1043	PPCODE:	1194	PPCODE:
1044	{	1195	{
1045	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1046	int fd = s_fileno_croak (fh, 0);	1197	int fd = s_fileno_croak (fh, 0);
1047	dREQ;	1198	dREQ;
1048		1199
1049	if (expect_false (close_fd < 0))	1200	if (expect_false (close_fd < 0))
1050	{	1201	{
		1202	int pipefd [2];
		1203
		1204	if (
1051	#ifdef _WIN32	1205	#ifdef _WIN32
1052	close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);	1206	_pipe (pipefd, 1, _O_BINARY) < 0
1053	#else	1207	#else
1054	int pipefd [2];
1055
1056	if (pipe (pipefd) < 0	1208	pipe (pipefd) < 0
1057	|| close (pipefd [1]) < 0
1058	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1209	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1210	#endif
		1211	|| close (pipefd [1]) < 0
		1212	)
1059	abort (); /*D*/	1213	abort (); /*D*/
1060		1214
1061	close_fd = pipefd [0];	1215	close_fd = pipefd [0];
1062	#endif
1063	}	1216	}
1064		1217
1065	req->type = EIO_DUP2;	1218	req->type = EIO_DUP2;
1066	req->int1 = close_fd;	1219	req->int1 = close_fd;
1067	req->sv2 = newSVsv (fh);	1220	req->sv2 = newSVsv (fh);
1068	req->int2 = fd;	1221	req->int2 = fd;
1069		1222
1070	REQ_SEND (req);	1223	REQ_SEND;
		1224	}
		1225
		1226	void
		1227	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1228	PPCODE:
		1229	{
		1230	int fd = s_fileno_croak (fh, 0);
		1231	dREQ;
		1232
		1233	req->type = EIO_SEEK;
		1234	req->sv1 = newSVsv (fh);
		1235	req->int1 = fd;
		1236	req->offs = SvVAL64 (offset);
		1237	req->int2 = whence;
		1238
		1239	REQ_SEND;
1071	}	1240	}
1072		1241
1073	void	1242	void
1074	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1243	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1075	ALIAS:	1244	ALIAS:
…		…
1095	len = svlen - dataoffset;	1264	len = svlen - dataoffset;
1096	}	1265	}
1097	else	1266	else
1098	{	1267	{
1099	/* read: check type and grow scalar as necessary */	1268	/* read: check type and grow scalar as necessary */
1100	SvUPGRADE (data, SVt_PV);	1269	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1101	svptr = SvGROW (data, len + dataoffset + 1);	1270	svptr = sv_grow (data, len + dataoffset + 1);
		1271	else if (SvCUR (data) < len + dataoffset)
		1272	croak ("length + dataoffset outside of scalar, and cannot grow");
1102	}	1273	}
1103		1274
1104	{	1275	{
1105	dREQ;	1276	dREQ;
1106		1277
…		…
1122	REQ_SEND;	1293	REQ_SEND;
1123	}	1294	}
1124	}	1295	}
1125		1296
1126	void	1297	void
1127	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1298	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1128	ALIAS:	1299	ALIAS:
1129	aio_readlink = EIO_READLINK	1300	aio_readlink = EIO_READLINK
1130	aio_realpath = EIO_REALPATH	1301	aio_realpath = EIO_REALPATH
1131	PPCODE:	1302	PPCODE:
1132	{	1303	{
1133	SV *data;
1134	dREQ;	1304	dREQ;
1135		1305
1136	req->type = ix;	1306	req->type = ix;
1137	req->sv1 = newSVsv (path);	1307	req_set_path1 (req, pathname);
1138	req->ptr1 = SvPVbyte_nolen (req->sv1);
1139		1308
1140	REQ_SEND;	1309	REQ_SEND;
1141	}	1310	}
1142		1311
1143	void	1312	void
1144	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1313	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1145	PPCODE:	1314	PPCODE:
1146	{	1315	{
1147	int ifd = s_fileno_croak (in_fh , 0);	1316	int ifd = s_fileno_croak (in_fh , 0);
1148	int ofd = s_fileno_croak (out_fh, 1);	1317	int ofd = s_fileno_croak (out_fh, 1);
1149	dREQ;	1318	dREQ;
1150		1319
1151	req->type = EIO_SENDFILE;	1320	req->type = EIO_SENDFILE;
1152	req->sv1 = newSVsv (out_fh);	1321	req->sv1 = newSVsv (out_fh);
1153	req->int1 = ofd;	1322	req->int1 = ofd;
…		…
1161		1330
1162	void	1331	void
1163	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1332	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1164	PPCODE:	1333	PPCODE:
1165	{	1334	{
1166	int fd = s_fileno_croak (fh, 0);	1335	int fd = s_fileno_croak (fh, 0);
1167	dREQ;	1336	dREQ;
1168		1337
1169	req->type = EIO_READAHEAD;	1338	req->type = EIO_READAHEAD;
1170	req->sv1 = newSVsv (fh);	1339	req->sv1 = newSVsv (fh);
1171	req->int1 = fd;	1340	req->int1 = fd;
…		…
1183	aio_statvfs = EIO_STATVFS	1352	aio_statvfs = EIO_STATVFS
1184	PPCODE:	1353	PPCODE:
1185	{	1354	{
1186	dREQ;	1355	dREQ;
1187		1356
1188	req->sv1 = newSVsv (fh_or_path);	1357	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1189
1190	if (SvPOK (req->sv1))
1191	{
1192	req->type = ix;
1193	req->ptr1 = SvPVbyte_nolen (req->sv1);
1194	}
1195	else
1196	{
1197	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1198	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1199	}
1200		1358
1201	REQ_SEND;	1359	REQ_SEND;
1202	}	1360	}
1203		1361
1204	UV	1362	UV
…		…
1223	{	1381	{
1224	dREQ;	1382	dREQ;
1225		1383
1226	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1384	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1227	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1385	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1228	req->sv1 = newSVsv (fh_or_path);	1386	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1229
1230	if (SvPOK (req->sv1))
1231	{
1232	req->type = EIO_UTIME;
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	}
1235	else
1236	{
1237	req->type = EIO_FUTIME;
1238	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1239	}
1240		1387
1241	REQ_SEND;	1388	REQ_SEND;
1242	}	1389	}
1243		1390
1244	void	1391	void
1245	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1392	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1246	PPCODE:	1393	PPCODE:
1247	{	1394	{
1248	dREQ;	1395	dREQ;
1249		1396
1250	req->sv1 = newSVsv (fh_or_path);
1251	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1397	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1252		1398	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1253	if (SvPOK (req->sv1))
1254	{
1255	req->type = EIO_TRUNCATE;
1256	req->ptr1 = SvPVbyte_nolen (req->sv1);
1257	}
1258	else
1259	{
1260	req->type = EIO_FTRUNCATE;
1261	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1262	}
1263		1399
1264	REQ_SEND;	1400	REQ_SEND;
1265	}	1401	}
1266		1402
1267	void	1403	void
1268	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1404	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1269	ALIAS:
1270	aio_chmod = EIO_CHMOD
1271	aio_mkdir = EIO_MKDIR
1272	PPCODE:	1405	PPCODE:
1273	{	1406	{
1274	dREQ;	1407	dREQ;
1275		1408
1276	req->int2 = mode;	1409	req->int2 = mode;
1277	req->sv1 = newSVsv (fh_or_path);	1410	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1278
1279	if (SvPOK (req->sv1))
1280	{
1281	req->type = ix;
1282	req->ptr1 = SvPVbyte_nolen (req->sv1);
1283	}
1284	else
1285	{
1286	req->type = EIO_FCHMOD;
1287	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288	}
1289		1411
1290	REQ_SEND;	1412	REQ_SEND;
1291	}	1413	}
1292		1414
1293	void	1415	void
…		…
1296	{	1418	{
1297	dREQ;	1419	dREQ;
1298		1420
1299	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1421	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1300	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1422	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1301	req->sv1 = newSVsv (fh_or_path);	1423	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1302
1303	if (SvPOK (req->sv1))
1304	{
1305	req->type = EIO_CHOWN;
1306	req->ptr1 = SvPVbyte_nolen (req->sv1);
1307	}
1308	else
1309	{
1310	req->type = EIO_FCHOWN;
1311	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1312	}
1313		1424
1314	REQ_SEND;	1425	REQ_SEND;
1315	}	1426	}
1316		1427
1317	void	1428	void
…		…
1319	PPCODE:	1430	PPCODE:
1320	{	1431	{
1321	dREQ;	1432	dREQ;
1322		1433
1323	req->type = EIO_READDIR;	1434	req->type = EIO_READDIR;
1324	req->sv1 = newSVsv (pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1435	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327		1436
1328	if (flags & EIO_READDIR_DENTS)	1437	if (flags & EIO_READDIR_DENTS)
1329	req->int1 |= EIO_READDIR_CUSTOM2;	1438	req->int1 |= EIO_READDIR_CUSTOM2;
1330		1439
		1440	req_set_path1 (req, pathname);
		1441
1331	REQ_SEND;	1442	REQ_SEND;
		1443	}
		1444
		1445	void
		1446	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1447	PPCODE:
		1448	{
		1449	dREQ;
		1450
		1451	req->type = EIO_MKDIR;
		1452	req->int2 = mode;
		1453	req_set_path1 (req, pathname);
		1454
		1455	REQ_SEND;
1332	}	1456	}
1333		1457
1334	void	1458	void
1335	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1459	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1336	ALIAS:	1460	ALIAS:
…		…
1340	PPCODE:	1464	PPCODE:
1341	{	1465	{
1342	dREQ;	1466	dREQ;
1343		1467
1344	req->type = ix;	1468	req->type = ix;
1345	req->sv1 = newSVsv (pathname);	1469	req_set_path1 (req, pathname);
1346	req->ptr1 = SvPVbyte_nolen (req->sv1);
1347		1470
1348	REQ_SEND;	1471	REQ_SEND;
1349	}	1472	}
1350		1473
1351	void	1474	void
…		…
1354	aio_link = EIO_LINK	1477	aio_link = EIO_LINK
1355	aio_symlink = EIO_SYMLINK	1478	aio_symlink = EIO_SYMLINK
1356	aio_rename = EIO_RENAME	1479	aio_rename = EIO_RENAME
1357	PPCODE:	1480	PPCODE:
1358	{	1481	{
		1482	eio_wd wd2 = 0;
1359	dREQ;	1483	dREQ;
1360		1484
1361	req->type = ix;	1485	req->type = ix;
1362	req->sv1 = newSVsv (oldpath);	1486	req_set_path1 (req, oldpath);
1363	req->ptr1 = SvPVbyte_nolen (req->sv1);	1487	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1364	req->sv2 = newSVsv (newpath);	1488	req->int3 = (long)wd2;
1365	req->ptr2 = SvPVbyte_nolen (req->sv2);
1366		1489
1367	REQ_SEND;	1490	REQ_SEND;
1368	}	1491	}
1369		1492
1370	void	1493	void
…		…
1372	PPCODE:	1495	PPCODE:
1373	{	1496	{
1374	dREQ;	1497	dREQ;
1375		1498
1376	req->type = EIO_MKNOD;	1499	req->type = EIO_MKNOD;
1377	req->sv1 = newSVsv (pathname);
1378	req->ptr1 = SvPVbyte_nolen (req->sv1);
1379	req->int2 = (mode_t)mode;	1500	req->int2 = (mode_t)mode;
1380	req->offs = dev;	1501	req->offs = dev;
		1502	req_set_path1 (req, pathname);
1381		1503
1382	REQ_SEND;	1504	REQ_SEND;
1383	}	1505	}
1384		1506
1385	void	1507	void
…		…
1455		1577
1456	REQ_SEND;	1578	REQ_SEND;
1457	}	1579	}
1458		1580
1459	void	1581	void
		1582	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1583	PPCODE:
		1584	{
		1585	int fd = s_fileno_croak (fh, 0);
		1586	dREQ;
		1587
		1588	req->type = EIO_CUSTOM;
		1589	req->sv1 = newSVsv (fh);
		1590	req->int1 = fd;
		1591
		1592	req->feed = fiemap;
		1593	#if HAVE_FIEMAP
		1594	/* keep our fingers crossed that the next two types are 64 bit */
		1595	req->offs = start;
		1596	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1597	req->int2 = flags;
		1598	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1599	#endif
		1600
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
1460	aio_busy (double delay, SV *callback=&PL_sv_undef)	1605	aio_busy (double delay, SV *callback=&PL_sv_undef)
1461	PPCODE:	1606	PPCODE:
1462	{	1607	{
1463	dREQ;	1608	dREQ;
1464		1609
…		…
1474	{	1619	{
1475	dREQ;	1620	dREQ;
1476		1621
1477	req->type = EIO_GROUP;	1622	req->type = EIO_GROUP;
1478		1623
		1624	PUTBACK;
1479	req_submit (req);	1625	req_submit (req);
		1626	SPAGAIN;
		1627
1480	XPUSHs (req_sv (req, aio_grp_stash));	1628	XPUSHs (req_sv (req, aio_grp_stash));
1481	}	1629	}
1482		1630
1483	void	1631	void
1484	aio_nop (SV *callback=&PL_sv_undef)	1632	aio_nop (SV *callback=&PL_sv_undef)
…		…
1585	CODE:	1733	CODE:
1586	RETVAL = posix_fadvise (fh, offset, length, advice);	1734	RETVAL = posix_fadvise (fh, offset, length, advice);
1587	OUTPUT:	1735	OUTPUT:
1588	RETVAL	1736	RETVAL
1589		1737
1590	ssize_t	1738	IV
1591	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1739	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1592	CODE:	1740	CODE:
1593	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1741	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594	OUTPUT:	1742	OUTPUT:
1595	RETVAL	1743	RETVAL
1596		1744
1597	void	1745	void
1598	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1746	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1599	PPCODE:	1747	PPCODE:
1600	sv_unmagic (scalar, MMAP_MAGIC);	1748	sv_unmagic (scalar, MMAP_MAGIC);
1601	{	1749	{
1602	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1750	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1603	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1751	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1636	ALIAS:	1784	ALIAS:
1637	mprotect = 1	1785	mprotect = 1
1638	CODE:	1786	CODE:
1639	{	1787	{
1640	STRLEN svlen;	1788	STRLEN svlen;
1641	void *addr = SvPVbyte (scalar, svlen);	1789	void *addr = SvPVbyte (scalar, svlen);
1642	size_t len = SvUV (length);	1790	size_t len = SvUV (length);
1643		1791
1644	if (offset < 0)	1792	if (offset < 0)
1645	offset += svlen;	1793	offset += svlen;
1646		1794
…		…
1665	int	1813	int
1666	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1814	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1667	CODE:	1815	CODE:
1668	{	1816	{
1669	STRLEN svlen;	1817	STRLEN svlen;
1670	void *addr = SvPVbyte (scalar, svlen);	1818	void *addr = SvPVbyte (scalar, svlen);
1671	size_t len = SvUV (length);	1819	size_t len = SvUV (length);
1672		1820
1673	if (offset < 0)	1821	if (offset < 0)
1674	offset += svlen;	1822	offset += svlen;
1675		1823
…		…
1682	addr = (void *)(((intptr_t)addr) + offset);	1830	addr = (void *)(((intptr_t)addr) + offset);
1683	eio_page_align (&addr, &len);	1831	eio_page_align (&addr, &len);
1684	#if _POSIX_MEMLOCK_RANGE	1832	#if _POSIX_MEMLOCK_RANGE
1685	RETVAL = munlock (addr, len);	1833	RETVAL = munlock (addr, len);
1686	#else	1834	#else
1687	RETVAL = ((errno = ENOSYS), -1);	1835	RETVAL = EIO_ENOSYS ();
1688	#endif	1836	#endif
1689	}	1837	}
1690	OUTPUT:	1838	OUTPUT:
1691	RETVAL	1839	RETVAL
1692		1840
…		…
1694	munlockall ()	1842	munlockall ()
1695	CODE:	1843	CODE:
1696	#if _POSIX_MEMLOCK	1844	#if _POSIX_MEMLOCK
1697	munlockall ();	1845	munlockall ();
1698	#else	1846	#else
		1847	RETVAL = EIO_ENOSYS ();
		1848	#endif
		1849	OUTPUT:
		1850	RETVAL
		1851
		1852	int
		1853	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1854	CODE:
		1855	{
		1856	#if HAVE_LINUX_SPLICE
		1857	loff_t off_in_, off_out_;
		1858	RETVAL = splice (
		1859	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1860	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1861	length, flags
		1862	);
		1863	#else
		1864	RETVAL = EIO_ENOSYS ();
		1865	#endif
		1866	}
		1867	OUTPUT:
		1868	RETVAL
		1869
		1870	int
		1871	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1872	CODE:
		1873	#if HAVE_LINUX_SPLICE
		1874	RETVAL = tee (rfh, wfh, length, flags);
		1875	#else
		1876	RETVAL = EIO_ENOSYS ();
		1877	#endif
		1878	OUTPUT:
		1879	RETVAL
		1880
		1881	int
		1882	pipesize (aio_rfd rfh, int new_size = -1)
		1883	PROTOTYPE: $;$
		1884	CODE:
		1885	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1886	if (new_size >= 0)
		1887	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1888	else
		1889	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1890	#else
		1891	errno = ENOSYS;
1699	RETVAL = -1;	1892	RETVAL = -1;
1700	errno = ENOSYS;
1701	#endif	1893	#endif
1702	OUTPUT:	1894	OUTPUT:
1703	RETVAL	1895	RETVAL
1704		1896
1705	void _on_next_submit (SV *cb)	1897	void _on_next_submit (SV *cb)
…		…
1707	SvREFCNT_dec (on_next_submit);	1899	SvREFCNT_dec (on_next_submit);
1708	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1900	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1709		1901
1710	PROTOTYPES: DISABLE	1902	PROTOTYPES: DISABLE
1711		1903
		1904	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1905
		1906	BOOT:
		1907	{
		1908	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1909	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1910	}
		1911
		1912	void
		1913	DESTROY (SV *self)
		1914	CODE:
		1915	{
		1916	aio_wd wd = SvAIO_WD (self);
		1917	#if HAVE_AT
		1918	{
		1919	SV *callback = &PL_sv_undef;
		1920	dREQ; /* clobbers next_pri :/ */
		1921	next_pri = req->pri; /* restore next_pri */
		1922	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1923	req->type = EIO_WD_CLOSE;
		1924	req->wd = wd;
		1925	REQ_SEND;
		1926	}
		1927	#else
		1928	eio_wd_close_sync (wd);
		1929	#endif
		1930	}
		1931
1712	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1932	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1713		1933
1714	void	1934	void
1715	cancel (aio_req_ornot req)	1935	cancel (aio_req_ornot req)
1716	CODE:	1936	CODE:

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