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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.175 by root, Wed Dec 1 04:43:12 2010 UTC vs.
Revision 1.230 by root, Tue Jun 3 01:30:33 2014 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# 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
23	#endif	35	#endif
24		36
25	/* perl namespace pollution */	37	/* perl namespace pollution */
26	#undef VERSION	38	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		39
77	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	42	#undef readdir
80	#undef opendir	43	#undef opendir
81	#undef closedir	44	#undef closedir
82		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
84		82
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	83	#else
91	# define VAL64 NV	84
92	# define SvVAL64 SvNV	85	#include <sys/time.h>
93	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
94	#endif	93	#endif
95		94
96	/*****************************************************************************/	95	/*****************************************************************************/
97		96
98	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
108		107
109	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
112		111
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		113
115	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
116	SV *callback; \	115	SV *callback; \
117	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
		123	#include "libeio/config.h"
123	#include "libeio/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
127	#endif	128	static void req_destroy (eio_req *grp);
128	#ifndef POSIX_FADV_SEQUENTIAL	129	#define EIO_DESTROY(req) req_destroy (req)
129	# define POSIX_FADV_SEQUENTIAL 0	130
130	#endif	131	#include "libeio/eio.c"
131	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0
133	#endif
134	#ifndef POSIX_FADV_NOREUSE
135	# define POSIX_FADV_NOREUSE 0
136	#endif
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140	#ifndef POSIX_FADV_DONTNEED
141	# define POSIX_FADV_DONTNEED 0
142	#endif
143		132
144	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
145	# 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 */
146	#endif	135	#endif
147		136
148	#ifndef POSIX_MADV_NORMAL
149	# define POSIX_MADV_NORMAL 0
150	#endif
151	#ifndef POSIX_MADV_SEQUENTIAL
152	# define POSIX_MADV_SEQUENTIAL 0
153	#endif
154	#ifndef POSIX_MADV_RANDOM
155	# define POSIX_MADV_RANDOM 0
156	#endif
157	#ifndef POSIX_MADV_WILLNEED
158	# define POSIX_MADV_WILLNEED 0
159	#endif
160	#ifndef POSIX_MADV_DONTNEED
161	# define POSIX_MADV_DONTNEED 0
162	#endif
163
164	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
165	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
166	#endif
167
168	#ifndef PROT_NONE
169	# define PROT_NONE 0
170	#endif
171	#ifndef PROT_READ
172	# define PROT_READ 0
173	#endif
174	#ifndef PROT_WRITE
175	# define PROT_READ 0
176	#endif
177	#ifndef PROT_EXEC
178	# define PROT_EXEC 0
179	#endif
180
181	#ifndef ST_NODEV
182	# define ST_NODEV 0
183	#endif
184	#ifndef ST_NOEXEC
185	# define ST_NOEXEC 0
186	#endif
187	#ifndef ST_SYNCHRONOUS
188	# define ST_SYNCHRONOUS 0
189	#endif
190	#ifndef ST_MANDLOCK
191	# define ST_MANDLOCK 0
192	#endif
193	#ifndef ST_WRITE
194	# define ST_WRITE 0
195	#endif
196	#ifndef ST_APPEND
197	# define ST_APPEND 0
198	#endif
199	#ifndef ST_IMMUTABLE
200	# define ST_IMMUTABLE 0
201	#endif
202	#ifndef ST_NOATIME
203	# define ST_NOATIME 0
204	#endif
205	#ifndef ST_NODIRATIME
206	# define ST_NODIRATIME 0
207	#endif
208	#ifndef ST_RELATIME
209	# define ST_RELATIME 0
210	#endif	139	#endif
211		140
212	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
213	# ifdef MAP_ANON	142	# ifdef MAP_ANON
214	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
215	# else	144	# else
216	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
217	# endif	146	# endif
218	#endif	147	#endif
219	#ifndef MAP_HUGETLB
220	# define MAP_HUGETLB 0
221	#endif
222	#ifndef MAP_LOCKED
223	# define MAP_LOCKED 0
224	#endif
225	#ifndef MAP_NORESERVE
226	# define MAP_NORESERVE 0
227	#endif
228	#ifndef MAP_POPULATE
229	# define MAP_POPULATE 0
230	#endif
231	#ifndef MAP_NONBLOCK
232	# define MAP_NONBLOCK 0
233	#endif
234		148
235	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	#include "def0.h"
		151
		152	#ifndef makedev
		153	# define makedev(maj,min) (((maj) << 8) | (min))
		154	#endif
		155	#ifndef major
		156	# define major(dev) ((dev) >> 8)
		157	#endif
		158	#ifndef minor
		159	# define minor(dev) ((dev) & 0xff)
		160	#endif
		161
		162	#if PAGESIZE <= 0
236	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
237	#endif	164	#endif
238		165
239	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
240	#define EIO_FINISH(req) req_invoke (req)	167
241	static void req_destroy (eio_req *grp);	168	static void
242	#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	/*****************************************************************************/
243		265
244	enum {	266	enum {
245	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
246	};	268	};
247		269
248	#include "libeio/eio.c"
249
250	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
251	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
252		273
253	static SV *on_next_submit;	274	static SV *on_next_submit;
254	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
255	static int max_outstanding;	276	static int max_outstanding;
256		277
257	static s_epipe respipe;	278	static s_epipe respipe;
258		279
259	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
260	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
261		282
262	static void want_poll (void)	283	static void
		284	want_poll (void)
263	{	285	{
264	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
265	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
266	}	288	}
267		289
268	static void done_poll (void)	290	static void
		291	done_poll (void)
269	{	292	{
270	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
271	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
272	}	295	}
273		296
274	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
275	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
276	{	300	{
277	if (!req->self)	301	if (!req->self)
278	{	302	{
279	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
280	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
281	}	305	}
282		306
283	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
284	}	308	}
285		309
286	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)
287	{	318	{
288	MAGIC *mg;	319	MAGIC *mg;
289		320
290	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
291	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
292	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
293	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
294	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
295		327
296	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
297		329
298	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
299	}	331	}
300		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
301	static void aio_grp_feed (aio_req grp)	345	aio_grp_feed (aio_req grp)
302	{	346	{
303	if (grp->sv2 && SvOK (grp->sv2))	347	if (grp->sv2 && SvOK (grp->sv2))
304	{	348	{
305	dSP;	349	dSP;
306		350
…		…
314	FREETMPS;	358	FREETMPS;
315	LEAVE;	359	LEAVE;
316	}	360	}
317	}	361	}
318		362
		363	static void
319	static void req_submit (eio_req *req)	364	req_submit (eio_req *req)
320	{	365	{
321	eio_submit (req);	366	eio_submit (req);
322		367
323	if (expect_false (on_next_submit))	368	if (expect_false (on_next_submit))
324	{	369	{
…		…
331	PUTBACK;	376	PUTBACK;
332	call_sv (cb, G_DISCARD | G_EVAL);	377	call_sv (cb, G_DISCARD | G_EVAL);
333	}	378	}
334	}	379	}
335		380
		381	static int
336	static int req_invoke (eio_req *req)	382	req_invoke (eio_req *req)
337	{	383	{
338	if (req->flags & FLAG_SV2_RO_OFF)	384	if (req->flags & FLAG_SV2_RO_OFF)
339	SvREADONLY_off (req->sv2);	385	SvREADONLY_off (req->sv2);
340		386
341	if (!EIO_CANCELLED (req) && req->callback)	387	if (!EIO_CANCELLED (req) && req->callback)
…		…
352	/* do not recreate the result IV from scratch each time */	398	/* do not recreate the result IV from scratch each time */
353	if (expect_true (sv_result_cache))	399	if (expect_true (sv_result_cache))
354	{	400	{
355	sv_result = sv_result_cache; sv_result_cache = 0;	401	sv_result = sv_result_cache; sv_result_cache = 0;
356	SvIV_set (sv_result, req->result);	402	SvIV_set (sv_result, req->result);
		403	SvIOK_only (sv_result);
357	}	404	}
358	else	405	else
359	{	406	{
360	sv_result = newSViv (req->result);	407	sv_result = newSViv (req->result);
361	SvREADONLY_on (sv_result);	408	SvREADONLY_on (sv_result);
362	}	409	}
363		410
364	switch (req->type)	411	switch (req->type)
365	{	412	{
		413	case EIO_WD_OPEN:
		414	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		415	break;
		416
366	case EIO_READDIR:	417	case EIO_READDIR:
367	{	418	{
368	SV *rv = &PL_sv_undef;	419	SV *rv = &PL_sv_undef;
369		420
370	if (req->result >= 0)	421	if (req->result >= 0)
…		…
458	case EIO_STATVFS:	509	case EIO_STATVFS:
459	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
460	{	511	{
461	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
462		513
		514	#ifndef _WIN32
463	if (req->result >= 0)	515	if (req->result >= 0)
464	{	516	{
465	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
466	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));
467		524
468	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
469		526
470	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);
471	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);
…		…
473	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);
474	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);
475	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);
476	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);
477	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);
478	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
479	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);
480	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);
481	}	538	}
		539	#endif
482		540
483	PUSHs (rv);	541	PUSHs (rv);
484	}	542	}
485		543
486	break;	544	break;
…		…
502	case EIO_NOP:	560	case EIO_NOP:
503	case EIO_BUSY:	561	case EIO_BUSY:
504	break;	562	break;
505		563
506	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
507	if (req->result > 0)	566	if (req->result > 0)
508	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
509	break;	568	break;
510		569
511	case EIO_STAT:	570	case EIO_STAT:
512	case EIO_LSTAT:	571	case EIO_LSTAT:
513	case EIO_FSTAT:	572	case EIO_FSTAT:
514	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
515	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
516	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
517	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)));
518	break;	584	break;
519		585
520	case EIO_READ:	586	case EIO_READ:
521	{	587	{
522	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));
…		…
525	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
526	PUSHs (sv_result);	592	PUSHs (sv_result);
527	}	593	}
528	break;	594	break;
529		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
530	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
531	if (req->result > 0)	637	if (req->result > 0)
532	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
533	/* FALLTHROUGH */	639	/* FALLTHROUGH */
534		640
535	default:	641	default:
…		…
555	}	661	}
556		662
557	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
558	}	664	}
559		665
		666	static void
560	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
561	{	668	{
562	if (req->self)	669	if (req->self)
563	{	670	{
564	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
565	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
566	}	673	}
567		674
568	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
569	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
570	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
571		680
572	Safefree (req);	681	free (req);
573	}	682	}
574		683
		684	static void
575	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
576	{	686	{
577	aio_req sub;
578
579	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
580	return;	688	return;
581		689
582	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
583	grp->sv2 = 0;	691	grp->sv2 = 0;
584		692
585	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
586	}	694	}
587		695
588	static void	696	static void ecb_cold
589	create_respipe (void)	697	create_respipe (void)
590	{	698	{
591	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
592	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
593	}	701	}
594		702
595	static void poll_wait (void)	703	static void
		704	poll_wait (void)
596	{	705	{
597	while (eio_nreqs ())	706	while (eio_nreqs ())
598	{	707	{
599	int size;	708	int size;
600		709
…		…
609		718
610	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
611	}	720	}
612	}	721	}
613		722
614	static int poll_cb (void)	723	static int
		724	poll_cb (void)
615	{	725	{
616	for (;;)	726	for (;;)
617	{	727	{
618	int res = eio_poll ();	728	int res = eio_poll ();
619		729
…		…
625		735
626	poll_wait ();	736	poll_wait ();
627	}	737	}
628	}	738	}
629		739
630	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
631	{	742	{
632	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
633	}	747	}
634		748
635	/*****************************************************************************/	749	/*****************************************************************************/
636		750
637	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
638	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
639	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
640	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
641	# define PROT_NONE 0	758	# define PROT_NONE 0
642	# define PROT_WRITE 0	759	# define PROT_WRITE 0
643	# define MAP_PRIVATE 0	760	# define MAP_PRIVATE 0
644	# define MAP_SHARED 0	761	# define MAP_SHARED 0
645	# define MAP_FIXED 0	762	# define MAP_FIXED 0
646	#endif	763	#endif
647		764
648	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
649		766
650	static int	767	static int ecb_cold
651	mmap_free (pTHX_ SV *sv, MAGIC *mg)	768	mmap_free (pTHX_ SV *sv, MAGIC *mg)
652	{	769	{
653	int old_errno = errno;	770	int old_errno = errno;
654	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
655	errno = old_errno;	772	errno = old_errno;
…		…
679	{	796	{
680	SvGETMAGIC (cb_sv);	797	SvGETMAGIC (cb_sv);
681	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	798	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
682	}	799	}
683		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
684	#define dREQ \	821	#define dREQ \
685	SV *cb_cv; \	822	aio_req req = dreq (callback); \
686	aio_req req; \
687	int req_pri = next_pri; \
688	next_pri = EIO_PRI_DEFAULT; \
689	\
690	cb_cv = get_cb (callback); \
691	\
692	Newz (0, req, 1, eio_req); \
693	if (!req) \
694	croak ("out of memory during eio_req allocation"); \
695	\
696	req->callback = SvREFCNT_inc (cb_cv); \
697	req->pri = req_pri
698		823
699	#define REQ_SEND \	824	#define REQ_SEND \
700	PUTBACK; \	825	PUTBACK; \
701	req_submit (req); \	826	req_submit (req); \
702	SPAGAIN; \	827	SPAGAIN; \
703	\	828	\
704	if (GIMME_V != G_VOID) \	829	if (GIMME_V != G_VOID) \
705	XPUSHs (req_sv (req, aio_req_stash));	830	XPUSHs (req_sv (req, aio_req_stash));
706		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
707	MODULE = IO::AIO PACKAGE = IO::AIO	898	MODULE = IO::AIO PACKAGE = IO::AIO
708		899
709	PROTOTYPES: ENABLE	900	PROTOTYPES: ENABLE
710		901
711	BOOT:	902	BOOT:
…		…
715	IV iv;	906	IV iv;
716	} *civ, const_iv[] = {	907	} *civ, const_iv[] = {
717	# define const_niv(name, value) { # name, (IV) value },	908	# define const_niv(name, value) { # name, (IV) value },
718	# define const_iv(name) { # name, (IV) name },	909	# define const_iv(name) { # name, (IV) name },
719	# 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)
720	const_iv (EXDEV)	915	const_iv (EXDEV)
721	const_iv (ENOSYS)	916	const_iv (EBADR)
		917
722	const_iv (O_RDONLY)	918	const_iv (O_RDONLY)
723	const_iv (O_WRONLY)	919	const_iv (O_WRONLY)
724	const_iv (O_RDWR)	920	const_iv (O_RDWR)
725	const_iv (O_CREAT)	921	const_iv (O_CREAT)
726	const_iv (O_TRUNC)	922	const_iv (O_TRUNC)
727	const_iv (O_EXCL)	923	const_iv (O_EXCL)
728	const_iv (O_APPEND)	924	const_iv (O_APPEND)
729	#ifndef _WIN32	925
		926	const_iv (O_ASYNC)
		927	const_iv (O_DIRECT)
		928	const_iv (O_NOATIME)
		929
		930	const_iv (O_CLOEXEC)
		931	const_iv (O_NOCTTY)
		932	const_iv (O_NOFOLLOW)
		933	const_iv (O_NONBLOCK)
		934	const_iv (O_EXEC)
		935	const_iv (O_SEARCH)
		936	const_iv (O_DIRECTORY)
		937	const_iv (O_DSYNC)
		938	const_iv (O_RSYNC)
		939	const_iv (O_SYNC)
		940	const_iv (O_TTY_INIT)
		941
730	const_iv (S_IFIFO)	942	const_iv (S_IFIFO)
731	#endif	943	const_iv (S_IFCHR)
		944	const_iv (S_IFBLK)
		945	const_iv (S_IFLNK)
		946	const_iv (S_IFREG)
		947	const_iv (S_IFDIR)
		948	const_iv (S_IFWHT)
		949	const_iv (S_IFSOCK)
		950	const_iv (S_IFMT)
		951
732	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	952	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
733	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	953	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
734	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	954	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
735	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	955	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
736	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	956	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
770	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
771	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
772	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
773	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
774		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
775	const_eio (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
776	const_eio (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
777		1025
778	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
779	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
…		…
782	const_eio (MT_MODIFY)	1030	const_eio (MT_MODIFY)
783		1031
784	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
785	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
786	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1035
		1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
787		1038
788	const_eio (READDIR_DENTS)	1039	const_eio (READDIR_DENTS)
789	const_eio (READDIR_DIRS_FIRST)	1040	const_eio (READDIR_DIRS_FIRST)
790	const_eio (READDIR_STAT_ORDER)	1041	const_eio (READDIR_STAT_ORDER)
791	const_eio (READDIR_FOUND_UNKNOWN)	1042	const_eio (READDIR_FOUND_UNKNOWN)
…		…
802	};	1053	};
803		1054
804	aio_stash = gv_stashpv ("IO::AIO" , 1);	1055	aio_stash = gv_stashpv ("IO::AIO" , 1);
805	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1056	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
806	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);
807		1059
808	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--)
809	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1061	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
810		1062
811	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1063	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
812		1064
813	create_respipe ();	1065	reinit ();
814
815	if (eio_init (want_poll, done_poll) < 0)
816	croak ("IO::AIO: unable to initialise eio library");
817
818	/* atfork child called in fifo order, so before eio's handler */
819	X_THREAD_ATFORK (0, 0, atfork_child);
820	}	1066	}
821		1067
822	void	1068	void
		1069	reinit ()
		1070	PROTOTYPE:
		1071
		1072	void
823	max_poll_reqs (int nreqs)	1073	max_poll_reqs (unsigned int nreqs)
824	PROTOTYPE: $	1074	PROTOTYPE: $
825	CODE:	1075	CODE:
826	eio_set_max_poll_reqs (nreqs);	1076	eio_set_max_poll_reqs (nreqs);
827		1077
828	void	1078	void
…		…
830	PROTOTYPE: $	1080	PROTOTYPE: $
831	CODE:	1081	CODE:
832	eio_set_max_poll_time (nseconds);	1082	eio_set_max_poll_time (nseconds);
833		1083
834	void	1084	void
835	min_parallel (int nthreads)	1085	min_parallel (unsigned int nthreads)
836	PROTOTYPE: $	1086	PROTOTYPE: $
837	CODE:	1087	CODE:
838	eio_set_min_parallel (nthreads);	1088	eio_set_min_parallel (nthreads);
839		1089
840	void	1090	void
841	max_parallel (int nthreads)	1091	max_parallel (unsigned int nthreads)
842	PROTOTYPE: $	1092	PROTOTYPE: $
843	CODE:	1093	CODE:
844	eio_set_max_parallel (nthreads);	1094	eio_set_max_parallel (nthreads);
845		1095
846	void	1096	void
847	max_idle (int nthreads)	1097	max_idle (unsigned int nthreads)
848	PROTOTYPE: $	1098	PROTOTYPE: $
849	CODE:	1099	CODE:
850	eio_set_max_idle (nthreads);	1100	eio_set_max_idle (nthreads);
851		1101
852	void	1102	void
		1103	idle_timeout (unsigned int seconds)
		1104	PROTOTYPE: $
		1105	CODE:
		1106	eio_set_idle_timeout (seconds);
		1107
		1108	void
853	max_outstanding (int maxreqs)	1109	max_outstanding (unsigned int maxreqs)
854	PROTOTYPE: $	1110	PROTOTYPE: $
855	CODE:	1111	CODE:
856	max_outstanding = maxreqs;	1112	max_outstanding = maxreqs;
857		1113
858	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
859	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)
860	PPCODE:	1128	PPCODE:
861	{	1129	{
862	dREQ;	1130	dREQ;
863		1131
864	req->type = EIO_OPEN;	1132	req->type = EIO_OPEN;
865	req->sv1 = newSVsv (pathname);	1133	req_set_path1 (req, pathname);
866	req->ptr1 = SvPVbyte_nolen (req->sv1);
867	req->int1 = flags;	1134	req->int1 = flags;
868	req->int2 = mode;	1135	req->int2 = mode;
869		1136
870	REQ_SEND;	1137	REQ_SEND;
871	}	1138	}
…		…
873	void	1140	void
874	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1141	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
875	ALIAS:	1142	ALIAS:
876	aio_fsync = EIO_FSYNC	1143	aio_fsync = EIO_FSYNC
877	aio_fdatasync = EIO_FDATASYNC	1144	aio_fdatasync = EIO_FDATASYNC
		1145	aio_syncfs = EIO_SYNCFS
878	PPCODE:	1146	PPCODE:
879	{	1147	{
880	int fd = s_fileno_croak (fh, 0);	1148	int fd = s_fileno_croak (fh, 0);
881	dREQ;	1149	dREQ;
882		1150
883	req->type = ix;	1151	req->type = ix;
884	req->sv1 = newSVsv (fh);	1152	req->sv1 = newSVsv (fh);
885	req->int1 = fd;	1153	req->int1 = fd;
886		1154
887	REQ_SEND (req);	1155	REQ_SEND;
888	}	1156	}
889		1157
890	void	1158	void
891	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)
892	PPCODE:	1160	PPCODE:
893	{	1161	{
894	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
895	dREQ;	1163	dREQ;
896		1164
897	req->type = EIO_SYNC_FILE_RANGE;	1165	req->type = EIO_SYNC_FILE_RANGE;
898	req->sv1 = newSVsv (fh);	1166	req->sv1 = newSVsv (fh);
899	req->int1 = fd;	1167	req->int1 = fd;
900	req->offs = offset;	1168	req->offs = offset;
901	req->size = nbytes;	1169	req->size = nbytes;
902	req->int2 = flags;	1170	req->int2 = flags;
903		1171
904	REQ_SEND (req);	1172	REQ_SEND;
		1173	}
		1174
		1175	void
		1176	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1177	PPCODE:
		1178	{
		1179	int fd = s_fileno_croak (fh, 0);
		1180	dREQ;
		1181
		1182	req->type = EIO_FALLOCATE;
		1183	req->sv1 = newSVsv (fh);
		1184	req->int1 = fd;
		1185	req->int2 = mode;
		1186	req->offs = offset;
		1187	req->size = len;
		1188
		1189	REQ_SEND;
905	}	1190	}
906		1191
907	void	1192	void
908	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1193	aio_close (SV *fh, SV *callback=&PL_sv_undef)
909	PPCODE:	1194	PPCODE:
910	{	1195	{
911	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
912	int fd = s_fileno_croak (fh, 0);	1197	int fd = s_fileno_croak (fh, 0);
913	dREQ;	1198	dREQ;
914		1199
915	if (close_pipe < 0)	1200	if (expect_false (close_fd < 0))
916	{	1201	{
917	int pipefd [2];	1202	int pipefd [2];
918		1203
		1204	if (
		1205	#ifdef _WIN32
		1206	_pipe (pipefd, 1, _O_BINARY) < 0
		1207	#else
919	if (pipe (pipefd) < 0	1208	pipe (pipefd) < 0
920	|| close (pipefd [1]) < 0
921	|| 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	)
922	abort (); /*D*/	1213	abort (); /*D*/
923		1214
924	close_pipe = pipefd [0];	1215	close_fd = pipefd [0];
925	}	1216	}
926		1217
927	req->type = EIO_DUP2;	1218	req->type = EIO_DUP2;
928	req->int1 = close_pipe;	1219	req->int1 = close_fd;
929	req->sv2 = newSVsv (fh);	1220	req->sv2 = newSVsv (fh);
930	req->int2 = fd;	1221	req->int2 = fd;
931		1222
932	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;
933	}	1240	}
934		1241
935	void	1242	void
936	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)
937	ALIAS:	1244	ALIAS:
…		…
957	len = svlen - dataoffset;	1264	len = svlen - dataoffset;
958	}	1265	}
959	else	1266	else
960	{	1267	{
961	/* read: check type and grow scalar as necessary */	1268	/* read: check type and grow scalar as necessary */
962	SvUPGRADE (data, SVt_PV);	1269	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
963	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");
964	}	1273	}
965		1274
966	{	1275	{
967	dREQ;	1276	dREQ;
968		1277
…		…
984	REQ_SEND;	1293	REQ_SEND;
985	}	1294	}
986	}	1295	}
987		1296
988	void	1297	void
989	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1298	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
		1299	ALIAS:
		1300	aio_readlink = EIO_READLINK
		1301	aio_realpath = EIO_REALPATH
990	PPCODE:	1302	PPCODE:
991	{	1303	{
992	SV *data;
993	dREQ;	1304	dREQ;
994		1305
995	req->type = EIO_READLINK;	1306	req->type = ix;
996	req->sv1 = newSVsv (path);	1307	req_set_path1 (req, pathname);
997	req->ptr1 = SvPVbyte_nolen (req->sv1);
998		1308
999	REQ_SEND;	1309	REQ_SEND;
1000	}	1310	}
1001		1311
1002	void	1312	void
1003	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)
1004	PPCODE:	1314	PPCODE:
1005	{	1315	{
1006	int ifd = s_fileno_croak (in_fh , 0);	1316	int ifd = s_fileno_croak (in_fh , 0);
1007	int ofd = s_fileno_croak (out_fh, 1);	1317	int ofd = s_fileno_croak (out_fh, 1);
1008	dREQ;	1318	dREQ;
1009		1319
1010	req->type = EIO_SENDFILE;	1320	req->type = EIO_SENDFILE;
1011	req->sv1 = newSVsv (out_fh);	1321	req->sv1 = newSVsv (out_fh);
1012	req->int1 = ofd;	1322	req->int1 = ofd;
…		…
1020		1330
1021	void	1331	void
1022	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)
1023	PPCODE:	1333	PPCODE:
1024	{	1334	{
1025	int fd = s_fileno_croak (fh, 0);	1335	int fd = s_fileno_croak (fh, 0);
1026	dREQ;	1336	dREQ;
1027		1337
1028	req->type = EIO_READAHEAD;	1338	req->type = EIO_READAHEAD;
1029	req->sv1 = newSVsv (fh);	1339	req->sv1 = newSVsv (fh);
1030	req->int1 = fd;	1340	req->int1 = fd;
…		…
1042	aio_statvfs = EIO_STATVFS	1352	aio_statvfs = EIO_STATVFS
1043	PPCODE:	1353	PPCODE:
1044	{	1354	{
1045	dREQ;	1355	dREQ;
1046		1356
1047	req->sv1 = newSVsv (fh_or_path);	1357	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1048
1049	if (SvPOK (req->sv1))
1050	{
1051	req->type = ix;
1052	req->ptr1 = SvPVbyte_nolen (req->sv1);
1053	}
1054	else
1055	{
1056	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1057	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1058	}
1059		1358
1060	REQ_SEND;	1359	REQ_SEND;
1061	}	1360	}
		1361
		1362	UV
		1363	major (UV dev)
		1364	ALIAS:
		1365	minor = 1
		1366	CODE:
		1367	RETVAL = ix ? major (dev) : minor (dev);
		1368	OUTPUT:
		1369	RETVAL
		1370
		1371	UV
		1372	makedev (UV maj, UV min)
		1373	CODE:
		1374	RETVAL = makedev (maj, min);
		1375	OUTPUT:
		1376	RETVAL
1062		1377
1063	void	1378	void
1064	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1379	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1065	PPCODE:	1380	PPCODE:
1066	{	1381	{
1067	dREQ;	1382	dREQ;
1068		1383
1069	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1384	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1070	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1385	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1071	req->sv1 = newSVsv (fh_or_path);	1386	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1072
1073	if (SvPOK (req->sv1))
1074	{
1075	req->type = EIO_UTIME;
1076	req->ptr1 = SvPVbyte_nolen (req->sv1);
1077	}
1078	else
1079	{
1080	req->type = EIO_FUTIME;
1081	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1082	}
1083		1387
1084	REQ_SEND;	1388	REQ_SEND;
1085	}	1389	}
1086		1390
1087	void	1391	void
1088	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)
1089	PPCODE:	1393	PPCODE:
1090	{	1394	{
1091	dREQ;	1395	dREQ;
1092		1396
1093	req->sv1 = newSVsv (fh_or_path);
1094	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1397	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1095		1398	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1096	if (SvPOK (req->sv1))
1097	{
1098	req->type = EIO_TRUNCATE;
1099	req->ptr1 = SvPVbyte_nolen (req->sv1);
1100	}
1101	else
1102	{
1103	req->type = EIO_FTRUNCATE;
1104	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1105	}
1106		1399
1107	REQ_SEND;	1400	REQ_SEND;
1108	}	1401	}
1109		1402
1110	void	1403	void
1111	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)
1112	ALIAS:
1113	aio_chmod = EIO_CHMOD
1114	aio_mkdir = EIO_MKDIR
1115	PPCODE:	1405	PPCODE:
1116	{	1406	{
1117	dREQ;	1407	dREQ;
1118		1408
1119	req->int2 = mode;	1409	req->int2 = mode;
1120	req->sv1 = newSVsv (fh_or_path);	1410	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1121
1122	if (SvPOK (req->sv1))
1123	{
1124	req->type = ix;
1125	req->ptr1 = SvPVbyte_nolen (req->sv1);
1126	}
1127	else
1128	{
1129	req->type = EIO_FCHMOD;
1130	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1131	}
1132		1411
1133	REQ_SEND;	1412	REQ_SEND;
1134	}	1413	}
1135		1414
1136	void	1415	void
…		…
1139	{	1418	{
1140	dREQ;	1419	dREQ;
1141		1420
1142	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1421	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1143	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1422	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1144	req->sv1 = newSVsv (fh_or_path);	1423	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1145
1146	if (SvPOK (req->sv1))
1147	{
1148	req->type = EIO_CHOWN;
1149	req->ptr1 = SvPVbyte_nolen (req->sv1);
1150	}
1151	else
1152	{
1153	req->type = EIO_FCHOWN;
1154	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1155	}
1156		1424
1157	REQ_SEND;	1425	REQ_SEND;
1158	}	1426	}
1159		1427
1160	void	1428	void
…		…
1162	PPCODE:	1430	PPCODE:
1163	{	1431	{
1164	dREQ;	1432	dREQ;
1165		1433
1166	req->type = EIO_READDIR;	1434	req->type = EIO_READDIR;
1167	req->sv1 = newSVsv (pathname);
1168	req->ptr1 = SvPVbyte_nolen (req->sv1);
1169	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1435	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1170		1436
1171	if (flags & EIO_READDIR_DENTS)	1437	if (flags & EIO_READDIR_DENTS)
1172	req->int1 |= EIO_READDIR_CUSTOM2;	1438	req->int1 |= EIO_READDIR_CUSTOM2;
1173		1439
		1440	req_set_path1 (req, pathname);
		1441
1174	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;
1175	}	1456	}
1176		1457
1177	void	1458	void
1178	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1459	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1179	ALIAS:	1460	ALIAS:
…		…
1183	PPCODE:	1464	PPCODE:
1184	{	1465	{
1185	dREQ;	1466	dREQ;
1186		1467
1187	req->type = ix;	1468	req->type = ix;
1188	req->sv1 = newSVsv (pathname);	1469	req_set_path1 (req, pathname);
1189	req->ptr1 = SvPVbyte_nolen (req->sv1);
1190		1470
1191	REQ_SEND;	1471	REQ_SEND;
1192	}	1472	}
1193		1473
1194	void	1474	void
…		…
1197	aio_link = EIO_LINK	1477	aio_link = EIO_LINK
1198	aio_symlink = EIO_SYMLINK	1478	aio_symlink = EIO_SYMLINK
1199	aio_rename = EIO_RENAME	1479	aio_rename = EIO_RENAME
1200	PPCODE:	1480	PPCODE:
1201	{	1481	{
		1482	eio_wd wd2 = 0;
1202	dREQ;	1483	dREQ;
1203		1484
1204	req->type = ix;	1485	req->type = ix;
1205	req->sv1 = newSVsv (oldpath);	1486	req_set_path1 (req, oldpath);
1206	req->ptr1 = SvPVbyte_nolen (req->sv1);	1487	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1207	req->sv2 = newSVsv (newpath);	1488	req->int3 = (long)wd2;
1208	req->ptr2 = SvPVbyte_nolen (req->sv2);
1209		1489
1210	REQ_SEND;	1490	REQ_SEND;
1211	}	1491	}
1212		1492
1213	void	1493	void
…		…
1215	PPCODE:	1495	PPCODE:
1216	{	1496	{
1217	dREQ;	1497	dREQ;
1218		1498
1219	req->type = EIO_MKNOD;	1499	req->type = EIO_MKNOD;
1220	req->sv1 = newSVsv (pathname);
1221	req->ptr1 = SvPVbyte_nolen (req->sv1);
1222	req->int2 = (mode_t)mode;	1500	req->int2 = (mode_t)mode;
1223	req->offs = dev;	1501	req->offs = dev;
		1502	req_set_path1 (req, pathname);
1224		1503
1225	REQ_SEND;	1504	REQ_SEND;
1226	}	1505	}
1227		1506
1228	void	1507	void
…		…
1298		1577
1299	REQ_SEND;	1578	REQ_SEND;
1300	}	1579	}
1301		1580
1302	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
1303	aio_busy (double delay, SV *callback=&PL_sv_undef)	1605	aio_busy (double delay, SV *callback=&PL_sv_undef)
1304	PPCODE:	1606	PPCODE:
1305	{	1607	{
1306	dREQ;	1608	dREQ;
1307		1609
…		…
1317	{	1619	{
1318	dREQ;	1620	dREQ;
1319		1621
1320	req->type = EIO_GROUP;	1622	req->type = EIO_GROUP;
1321		1623
		1624	PUTBACK;
1322	req_submit (req);	1625	req_submit (req);
		1626	SPAGAIN;
		1627
1323	XPUSHs (req_sv (req, aio_grp_stash));	1628	XPUSHs (req_sv (req, aio_grp_stash));
1324	}	1629	}
1325		1630
1326	void	1631	void
1327	aio_nop (SV *callback=&PL_sv_undef)	1632	aio_nop (SV *callback=&PL_sv_undef)
…		…
1428	CODE:	1733	CODE:
1429	RETVAL = posix_fadvise (fh, offset, length, advice);	1734	RETVAL = posix_fadvise (fh, offset, length, advice);
1430	OUTPUT:	1735	OUTPUT:
1431	RETVAL	1736	RETVAL
1432		1737
1433	ssize_t	1738	IV
1434	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)
1435	CODE:	1740	CODE:
1436	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1741	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1437	OUTPUT:	1742	OUTPUT:
1438	RETVAL	1743	RETVAL
1439		1744
1440	void	1745	void
1441	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)
1442	PPCODE:	1747	PPCODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	1748	sv_unmagic (scalar, MMAP_MAGIC);
1444	{	1749	{
1445	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;
1446	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1751	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1479	ALIAS:	1784	ALIAS:
1480	mprotect = 1	1785	mprotect = 1
1481	CODE:	1786	CODE:
1482	{	1787	{
1483	STRLEN svlen;	1788	STRLEN svlen;
1484	void *addr = SvPVbyte (scalar, svlen);	1789	void *addr = SvPVbyte (scalar, svlen);
1485	size_t len = SvUV (length);	1790	size_t len = SvUV (length);
1486		1791
1487	if (offset < 0)	1792	if (offset < 0)
1488	offset += svlen;	1793	offset += svlen;
1489		1794
…		…
1508	int	1813	int
1509	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)
1510	CODE:	1815	CODE:
1511	{	1816	{
1512	STRLEN svlen;	1817	STRLEN svlen;
1513	void *addr = SvPVbyte (scalar, svlen);	1818	void *addr = SvPVbyte (scalar, svlen);
1514	size_t len = SvUV (length);	1819	size_t len = SvUV (length);
1515		1820
1516	if (offset < 0)	1821	if (offset < 0)
1517	offset += svlen;	1822	offset += svlen;
1518		1823
…		…
1522	if (!SvOK (length) || len + offset > svlen)	1827	if (!SvOK (length) || len + offset > svlen)
1523	len = svlen - offset;	1828	len = svlen - offset;
1524		1829
1525	addr = (void *)(((intptr_t)addr) + offset);	1830	addr = (void *)(((intptr_t)addr) + offset);
1526	eio_page_align (&addr, &len);	1831	eio_page_align (&addr, &len);
1527	#if _POSIX_MEMLOCK	1832	#if _POSIX_MEMLOCK_RANGE
1528	RETVAL = munlock (addr, len);	1833	RETVAL = munlock (addr, len);
1529	#else	1834	#else
1530	RETVAL = ((errno = ENOSYS), -1);	1835	RETVAL = EIO_ENOSYS ();
1531	#endif	1836	#endif
1532	}	1837	}
1533	OUTPUT:	1838	OUTPUT:
1534	RETVAL	1839	RETVAL
1535		1840
…		…
1537	munlockall ()	1842	munlockall ()
1538	CODE:	1843	CODE:
1539	#if _POSIX_MEMLOCK	1844	#if _POSIX_MEMLOCK
1540	munlockall ();	1845	munlockall ();
1541	#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;
1542	RETVAL = -1;	1892	RETVAL = -1;
1543	errno = ENOSYS;
1544	#endif	1893	#endif
1545	OUTPUT:	1894	OUTPUT:
1546	RETVAL	1895	RETVAL
1547		1896
1548	void _on_next_submit (SV *cb)	1897	void _on_next_submit (SV *cb)
…		…
1550	SvREFCNT_dec (on_next_submit);	1899	SvREFCNT_dec (on_next_submit);
1551	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1900	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1552		1901
1553	PROTOTYPES: DISABLE	1902	PROTOTYPES: DISABLE
1554		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
1555	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1932	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1556		1933
1557	void	1934	void
1558	cancel (aio_req_ornot req)	1935	cancel (aio_req_ornot req)
1559	CODE:	1936	CODE:

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