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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.199 by root, Thu Sep 29 09:47:13 2011 UTC

…		…
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <limits.h>	16	#include <limits.h>
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
20	/* perl namespace pollution */	24	/* perl namespace pollution */
21	#undef VERSION	25	#undef VERSION
22
23	#ifdef _WIN32
24
25	# define EIO_STRUCT_DIRENT Direntry_t
26	# undef malloc
27	# undef free
28
29	// perl overrides all those nice win32 functions
30	# undef open
31	# undef read
32	# undef write
33	# undef send
34	# undef recv
35	# undef stat
36	# undef fstat
37	# define lstat stat
38	# undef truncate
39	# undef ftruncate
40	# undef open
41	# undef close
42	# undef unlink
43	# undef rmdir
44	# undef rename
45	# undef lseek
46
47	# define chown(a,b,c) (errno = ENOSYS, -1)
48	# define fchown(a,b,c) (errno = ENOSYS, -1)
49	# define fchmod(a,b) (errno = ENOSYS, -1)
50	# define symlink(a,b) (errno = ENOSYS, -1)
51	# define readlink(a,b,c) (errno = ENOSYS, -1)
52	# define mknod(a,b,c) (errno = ENOSYS, -1)
53	# define truncate(a,b) (errno = ENOSYS, -1)
54	# define ftruncate(fd,o) chsize ((fd), (o))
55	# define fsync(fd) _commit (fd)
56	# define opendir(fd) (errno = ENOSYS, 0)
57	# define readdir(fd) (errno = ENOSYS, -1)
58	# define closedir(fd) (errno = ENOSYS, -1)
59	# define mkdir(a,b) mkdir (a)
60
61	#else
62
63	# include <sys/time.h>
64	# include <sys/select.h>
65	# include <unistd.h>
66	# include <utime.h>
67	# include <signal.h>
68	# define EIO_STRUCT_DIRENT struct dirent
69
70	#endif
71		26
72	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
73	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
74	#undef readdir	29	#undef readdir
75	#undef opendir	30	#undef opendir
76	#undef closedir	31	#undef closedir
		32
		33	#ifdef _WIN32
		34
		35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
		39	#undef open
		40	#undef read
		41	#undef write
		42	#undef send
		43	#undef recv
		44	#undef stat
		45	#undef lstat
		46	#undef fstat
		47	#undef truncate
		48	#undef ftruncate
		49	#undef open
		50	#undef link
		51	#undef close
		52	#undef unlink
		53	#undef mkdir
		54	#undef rmdir
		55	#undef rename
		56	#undef lseek
		57	#undef opendir
		58	#undef readdir
		59	#undef closedir
		60	#undef chmod
		61	#undef fchmod
		62	#undef dup
		63	#undef dup2
		64	#undef abort
		65	#undef pipe
		66
		67	#else
		68
		69	#include <sys/time.h>
		70	#include <sys/select.h>
		71	#include <unistd.h>
		72	#include <utime.h>
		73	#include <signal.h>
		74
		75	#endif
77		76
78	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
79		78
80	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	98	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	99	#define expect_true(expr) expect ((expr) != 0, 1)
101		100
102	/*****************************************************************************/	101	/*****************************************************************************/
103		102
104	static HV *stash;
105	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
106	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
107	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
108		106
109	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110	#define AIO_GRP_KLASS "IO::AIO::GRP"
111		108
112	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
113	SV *callback; \	110	SV *callback; \
114	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
115	STRLEN stroffset; \	113	STRLEN stroffset; \
116	SV *self;	114	SV *self;
117		115
118	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
119		117
		118	#include "libeio/config.h"
120	#include "libeio/eio.h"	119	#include "libeio/eio.h"
121
122	#ifndef POSIX_FADV_NORMAL
123	# define POSIX_FADV_NORMAL 0
124	# define NO_FADVISE 1
125	#endif
126
127	#ifndef POSIX_FADV_SEQUENTIAL
128	# define POSIX_FADV_SEQUENTIAL 0
129	#endif
130
131	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0
133	#endif
134
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138
139	#ifndef POSIX_FADV_WILLNEED
140	# define POSIX_FADV_WILLNEED 0
141	#endif
142
143	#ifndef POSIX_FADV_DONTNEED
144	# define POSIX_FADV_DONTNEED 0
145	#endif
146		120
147	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
148	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
149	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
150	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
151		125
		126	#include "libeio/eio.c"
		127
		128	/* Linux/others */
		129	#ifndef O_ASYNC
		130	# define O_ASYNC 0
		131	#endif
		132	#ifndef O_DIRECT
		133	# define O_DIRECT 0
		134	#endif
		135	#ifndef O_NOATIME
		136	# define O_NOATIME 0
		137	#endif
		138
		139	/* POSIX */
		140	#ifndef O_CLOEXEC
		141	# define O_CLOEXEC 0
		142	#endif
		143	#ifndef O_NOFOLLOW
		144	# define O_NOFOLLOW 0
		145	#endif
		146	#ifndef O_NOCTTY
		147	# define O_NOCTTY 0
		148	#endif
		149	#ifndef O_NONBLOCK
		150	# define O_NONBLOCK 0
		151	#endif
		152	#ifndef O_EXEC
		153	# define O_EXEC 0
		154	#endif
		155	#ifndef O_SEARCH
		156	# define O_SEARCH 0
		157	#endif
		158	#ifndef O_DIRECTORY
		159	# define O_DIRECTORY 0
		160	#endif
		161	#ifndef O_DSYNC
		162	# define O_DSYNC 0
		163	#endif
		164	#ifndef O_RSYNC
		165	# define O_RSYNC 0
		166	#endif
		167	#ifndef O_SYNC
		168	# define O_SYNC 0
		169	#endif
		170	#ifndef O_TTY_INIT
		171	# define O_TTY_INIT 0
		172	#endif
		173
		174	#ifndef POSIX_FADV_NORMAL
		175	# define POSIX_FADV_NORMAL 0
		176	#endif
		177	#ifndef POSIX_FADV_SEQUENTIAL
		178	# define POSIX_FADV_SEQUENTIAL 0
		179	#endif
		180	#ifndef POSIX_FADV_RANDOM
		181	# define POSIX_FADV_RANDOM 0
		182	#endif
		183	#ifndef POSIX_FADV_NOREUSE
		184	# define POSIX_FADV_NOREUSE 0
		185	#endif
		186	#ifndef POSIX_FADV_WILLNEED
		187	# define POSIX_FADV_WILLNEED 0
		188	#endif
		189	#ifndef POSIX_FADV_DONTNEED
		190	# define POSIX_FADV_DONTNEED 0
		191	#endif
		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		197	#ifndef POSIX_MADV_NORMAL
		198	# define POSIX_MADV_NORMAL 0
		199	#endif
		200	#ifndef POSIX_MADV_SEQUENTIAL
		201	# define POSIX_MADV_SEQUENTIAL 0
		202	#endif
		203	#ifndef POSIX_MADV_RANDOM
		204	# define POSIX_MADV_RANDOM 0
		205	#endif
		206	#ifndef POSIX_MADV_WILLNEED
		207	# define POSIX_MADV_WILLNEED 0
		208	#endif
		209	#ifndef POSIX_MADV_DONTNEED
		210	# define POSIX_MADV_DONTNEED 0
		211	#endif
		212
		213	#if !HAVE_POSIX_MADVISE
		214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		215	#endif
		216
		217	#ifndef PROT_NONE
		218	# define PROT_NONE 0
		219	#endif
		220	#ifndef PROT_READ
		221	# define PROT_READ 0
		222	#endif
		223	#ifndef PROT_WRITE
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_EXEC
		227	# define PROT_EXEC 0
		228	#endif
		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
		236	#ifndef ST_NODEV
		237	# define ST_NODEV 0
		238	#endif
		239	#ifndef ST_NOEXEC
		240	# define ST_NOEXEC 0
		241	#endif
		242	#ifndef ST_SYNCHRONOUS
		243	# define ST_SYNCHRONOUS 0
		244	#endif
		245	#ifndef ST_MANDLOCK
		246	# define ST_MANDLOCK 0
		247	#endif
		248	#ifndef ST_WRITE
		249	# define ST_WRITE 0
		250	#endif
		251	#ifndef ST_APPEND
		252	# define ST_APPEND 0
		253	#endif
		254	#ifndef ST_IMMUTABLE
		255	# define ST_IMMUTABLE 0
		256	#endif
		257	#ifndef ST_NOATIME
		258	# define ST_NOATIME 0
		259	#endif
		260	#ifndef ST_NODIRATIME
		261	# define ST_NODIRATIME 0
		262	#endif
		263	#ifndef ST_RELATIME
		264	# define ST_RELATIME 0
		265	#endif
		266
		267	#ifndef S_IFIFO
		268	# define S_IFIFO 0
		269	#endif
		270	#ifndef S_IFCHR
		271	# define S_IFCHR 0
		272	#endif
		273	#ifndef S_IFBLK
		274	# define S_IFBLK 0
		275	#endif
		276	#ifndef S_IFLNK
		277	# define S_IFLNK 0
		278	#endif
		279	#ifndef S_IFREG
		280	# define S_IFREG 0
		281	#endif
		282	#ifndef S_IFDIR
		283	# define S_IFDIR 0
		284	#endif
		285	#ifndef S_IFWHT
		286	# define S_IFWHT 0
		287	#endif
		288	#ifndef S_IFSOCK
		289	# define S_IFSOCK 0
		290	#endif
		291
		292	#ifndef MAP_ANONYMOUS
		293	# ifdef MAP_ANON
		294	# define MAP_ANONYMOUS MAP_ANON
		295	# else
		296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		297	# endif
		298	#endif
		299	#ifndef MAP_HUGETLB
		300	# define MAP_HUGETLB 0
		301	#endif
		302	#ifndef MAP_LOCKED
		303	# define MAP_LOCKED 0
		304	#endif
		305	#ifndef MAP_NORESERVE
		306	# define MAP_NORESERVE 0
		307	#endif
		308	#ifndef MAP_POPULATE
		309	# define MAP_POPULATE 0
		310	#endif
		311	#ifndef MAP_NONBLOCK
		312	# define MAP_NONBLOCK 0
		313	#endif
		314
		315	#ifndef makedev
		316	# define makedev(maj,min) (((maj) << 8) | (min))
		317	#endif
		318	#ifndef major
		319	# define major(dev) ((dev) >> 8)
		320	#endif
		321	#ifndef minor
		322	# define minor(dev) ((dev) & 0xff)
		323	#endif
		324
		325	#ifndef PAGESIZE
		326	# define PAGESIZE sysconf (_SC_PAGESIZE)
		327	#endif
		328
152	enum {	329	enum {
153	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154	};	331	};
155		332
156	#include "libeio/eio.c"
157
158	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
159	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
160		336
161	static SV *on_next_submit;	337	static SV *on_next_submit;
162	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
163	static int max_outstanding;	339	static int max_outstanding;
164		340
165	static int respipe_osf [2];
166	static s_epipe respipe;	341	static s_epipe respipe;
167		342
168	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
169	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
170		345
…		…
179	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
180	s_epipe_drain (&respipe);	355	s_epipe_drain (&respipe);
181	}	356	}
182		357
183	/* must be called at most once */	358	/* must be called at most once */
184	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
185	{	360	{
186	if (!req->self)	361	if (!req->self)
187	{	362	{
188	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
189	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190	}	365	}
191		366
192	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
		368	}
		369
		370	static SV *
		371	newSVaio_wd (aio_wd wd)
		372	{
		373	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);
193	}	374	}
194		375
195	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
196	{	377	{
197	MAGIC *mg;	378	MAGIC *mg;
198		379
199	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	380	if (!SvROK (sv)
		381	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		382	&& SvSTASH (SvRV (sv)) != aio_req_stash
		383	&& !sv_derived_from (sv, "IO::AIO::REQ")))
200	croak ("object of class " AIO_REQ_KLASS " expected");	384	croak ("object of class IO::AIO::REQ expected");
201		385
202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203		387
204	return mg ? (aio_req)mg->mg_ptr : 0;	388	return mg ? (aio_req)mg->mg_ptr : 0;
		389	}
		390
		391	static aio_wd SvAIO_WD (SV *sv)
		392	{
		393	if (!SvROK (sv)
		394	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		395	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		396	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		397
		398	return (aio_wd)(long)SvIVX (SvRV (sv));
205	}	399	}
206		400
207	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
208	{	402	{
209	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
211	dSP;	405	dSP;
212		406
213	ENTER;	407	ENTER;
214	SAVETMPS;	408	SAVETMPS;
215	PUSHMARK (SP);	409	PUSHMARK (SP);
216	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	410	XPUSHs (req_sv (grp, aio_grp_stash));
217	PUTBACK;	411	PUTBACK;
218	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	412	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219	SPAGAIN;	413	SPAGAIN;
220	FREETMPS;	414	FREETMPS;
221	LEAVE;	415	LEAVE;
…		…
239	}	433	}
240	}	434	}
241		435
242	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
243	{	437	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
248		440
249	if (!EIO_CANCELLED (req) && req->callback)	441	if (!EIO_CANCELLED (req) && req->callback)
250	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
251	ENTER;	447	ENTER;
252	SAVETMPS;	448	SAVETMPS;
253	PUSHMARK (SP);	449	PUSHMARK (SP);
254	EXTEND (SP, 1);	450	EXTEND (SP, 1);
255		451
		452	/* do not recreate the result IV from scratch each time */
		453	if (expect_true (sv_result_cache))
		454	{
		455	sv_result = sv_result_cache; sv_result_cache = 0;
		456	SvIV_set (sv_result, req->result);
		457	SvIOK_only (sv_result);
		458	}
		459	else
		460	{
		461	sv_result = newSViv (req->result);
		462	SvREADONLY_on (sv_result);
		463	}
		464
256	switch (req->type)	465	switch (req->type)
257	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
258	case EIO_READDIR:	471	case EIO_READDIR:
259	{	472	{
260	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
261		474
262	if (req->result >= 0)	475	if (req->result >= 0)
…		…
327	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	540	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
328	char sym [64];	541	char sym [64];
329	int symlen;	542	int symlen;
330		543
331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	544	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332	gv_init (gv, stash, sym, symlen, 0);	545	gv_init (gv, aio_stash, sym, symlen, 0);
333		546
334	symlen = snprintf (	547	symlen = snprintf (
335	sym,	548	sym,
336	sizeof (sym),	549	sizeof (sym),
337	"%s&=%d",	550	"%s&=%d",
…		…
345		558
346	PUSHs (fh);	559	PUSHs (fh);
347	}	560	}
348	break;	561	break;
349		562
		563	case EIO_STATVFS:
		564	case EIO_FSTATVFS:
		565	{
		566	SV *rv = &PL_sv_undef;
		567
		568	#ifndef _WIN32
		569	if (req->result >= 0)
		570	{
		571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		572	HV *hv = newHV ();
		573
		574	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		575
		576	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		577	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		578	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		579	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		580	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		581	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		582	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		583	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		584	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		585	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		586	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		587	}
		588	#endif
		589
		590	PUSHs (rv);
		591	}
		592
		593	break;
		594
350	case EIO_GROUP:	595	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	596	req->int1 = 2; /* mark group as finished */
352		597
353	if (req->sv1)	598	if (req->sv1)
354	{	599	{
…		…
364	case EIO_NOP:	609	case EIO_NOP:
365	case EIO_BUSY:	610	case EIO_BUSY:
366	break;	611	break;
367		612
368	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
369	if (req->result > 0)	615	if (req->result > 0)
370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371	break;	617	break;
372		618
373	case EIO_STAT:	619	case EIO_STAT:
374	case EIO_LSTAT:	620	case EIO_LSTAT:
375	case EIO_FSTAT:	621	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		623
377	PL_laststatval = req->result;	624	if (!(PL_laststatval = req->result))
		625	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
378	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	626	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	627
		628	PUSHs (sv_result);
380	break;	629	break;
381		630
382	case EIO_READ:	631	case EIO_READ:
383	{	632	{
384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	633	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385	*SvEND (req->sv2) = 0;	634	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	635	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	636	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	637	PUSHs (sv_result);
389	}	638	}
390	break;	639	break;
391		640
392	case EIO_DUP2:	641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393	if (req->result > 0)	642	if (req->result > 0)
394	req->result = 0;	643	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	644	/* FALLTHROUGH */
396		645
397	default:	646	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	647	PUSHs (sv_result);
399	break;	648	break;
400	}	649	}
401		650
402	errno = req->errorno;	651	errno = req->errorno;
403		652
404	PUTBACK;	653	PUTBACK;
405	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	654	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406	SPAGAIN;	655	SPAGAIN;
		656
		657	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		658	SvREFCNT_dec (sv_result);
		659	else
		660	sv_result_cache = sv_result;
407		661
408	FREETMPS;	662	FREETMPS;
409	LEAVE;	663	LEAVE;
410		664
411	PUTBACK;	665	PUTBACK;
…		…
422	SvREFCNT_dec (req->self);	676	SvREFCNT_dec (req->self);
423	}	677	}
424		678
425	SvREFCNT_dec (req->sv1);	679	SvREFCNT_dec (req->sv1);
426	SvREFCNT_dec (req->sv2);	680	SvREFCNT_dec (req->sv2);
		681	SvREFCNT_dec (req->sv3);
		682	SvREFCNT_dec (req->sv4);
427	SvREFCNT_dec (req->callback);	683	SvREFCNT_dec (req->callback);
428		684
429	Safefree (req);	685	Safefree (req);
430	}	686	}
431		687
432	static void req_cancel_subs (aio_req grp)	688	static void req_cancel_subs (aio_req grp)
433	{	689	{
434	aio_req sub;
435
436	if (grp->type != EIO_GROUP)	690	if (grp->type != EIO_GROUP)
437	return;	691	return;
438		692
439	SvREFCNT_dec (grp->sv2);	693	SvREFCNT_dec (grp->sv2);
440	grp->sv2 = 0;	694	grp->sv2 = 0;
441		695
442	eio_grp_cancel (grp);	696	eio_grp_cancel (grp);
443	}	697	}
444		698
445	static void
446	create_respipe (void)	699	static void create_respipe (void)
447	{	700	{
448	if (s_epipe_renew (&respipe))	701	if (s_epipe_renew (&respipe))
449	croak ("unable to initialize result pipe");	702	croak ("IO::AIO: unable to initialize result pipe");
450
451	respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452	respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453	}	703	}
454		704
455	static void poll_wait (void)	705	static void poll_wait (void)
456	{	706	{
457	while (eio_nreqs ())	707	while (eio_nreqs ())
…		…
485		735
486	poll_wait ();	736	poll_wait ();
487	}	737	}
488	}	738	}
489		739
490	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
491	{	742	{
492	create_respipe ();	743	create_respipe ();
493	}
494		744
495	static SV *	745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
		747	}
		748
		749	/*****************************************************************************/
		750
		751	#if !_POSIX_MAPPED_FILES
		752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		753	# define munmap(addr,length) (errno = ENOSYS, -1)
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		758	# define PROT_NONE 0
		759	# define PROT_WRITE 0
		760	# define MAP_PRIVATE 0
		761	# define MAP_SHARED 0
		762	# define MAP_FIXED 0
		763	#endif
		764
		765	#define MMAP_MAGIC PERL_MAGIC_ext
		766
		767	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		768	{
		769	int old_errno = errno;
		770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		771	errno = old_errno;
		772
		773	mg->mg_obj = 0; /* just in case */
		774
		775	SvREADONLY_off (sv);
		776
		777	if (SvPVX (sv) != mg->mg_ptr)
		778	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		779
		780	SvCUR_set (sv, 0);
		781	SvPVX (sv) = 0;
		782	SvOK_off (sv);
		783
		784	return 0;
		785	}
		786
		787	static MGVTBL mmap_vtbl = {
		788	0, 0, 0, 0, mmap_free
		789	};
		790
		791	/*****************************************************************************/
		792
496	get_cb (SV *cb_sv)	793	static SV * get_cb (SV *cb_sv)
497	{	794	{
498	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
499	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
500	}	797	}
501		798
…		…
518	PUTBACK; \	815	PUTBACK; \
519	req_submit (req); \	816	req_submit (req); \
520	SPAGAIN; \	817	SPAGAIN; \
521	\	818	\
522	if (GIMME_V != G_VOID) \	819	if (GIMME_V != G_VOID) \
523	XPUSHs (req_sv (req, AIO_REQ_KLASS));	820	XPUSHs (req_sv (req, aio_req_stash));
		821
		822	static void
		823	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		824	{
		825	if (expect_false (SvROK (path)))
		826	{
		827	AV *av = (AV *)SvRV (path);
		828	SV *wdob;
		829
		830	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		832
		833	path = AvARRAY (av)[1];
		834	wdob = AvARRAY (av)[0];
		835
		836	if (SvOK (wdob))
		837	{
		838	*wd = SvAIO_WD (wdob);
		839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		840	}
		841	else
		842	*wd = EIO_INVALID_WD;
		843	}
		844
		845	*pathsv = newSVsv (path);
		846	*ptr = SvPVbyte_nolen (*pathsv);
		847	}
		848
		849	static void
		850	req_set_path1 (aio_req req, SV *path)
		851	{
		852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		853	}
		854
		855	static void
		856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		857	{
		858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		859
		860	switch (SvTYPE (rv))
		861	{
		862	case SVt_PVIO:
		863	case SVt_PVLV:
		864	case SVt_PVGV:
		865	req->type = type_fh;
		866	req->sv1 = newSVsv (fh_or_path);
		867	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		868	break;
		869
		870	default:
		871	req->type = type_path;
		872	req_set_path1 (req, fh_or_path);
		873	break;
		874	}
		875
		876	}
524		877
525	MODULE = IO::AIO PACKAGE = IO::AIO	878	MODULE = IO::AIO PACKAGE = IO::AIO
526		879
527	PROTOTYPES: ENABLE	880	PROTOTYPES: ENABLE
528		881
…		…
530	{	883	{
531	static const struct {	884	static const struct {
532	const char *name;	885	const char *name;
533	IV iv;	886	IV iv;
534	} *civ, const_iv[] = {	887	} *civ, const_iv[] = {
535	# define const_iv(name, value) { # name, (IV) value },	888	# define const_niv(name, value) { # name, (IV) value },
		889	# define const_iv(name) { # name, (IV) name },
536	# define const_eio(name) { # name, (IV) EIO_ ## name },	890	# define const_eio(name) { # name, (IV) EIO_ ## name },
537	const_iv (EXDEV , EXDEV)	891	const_iv (EXDEV)
538	const_iv (ENOSYS , ENOSYS)	892	const_iv (ENOSYS)
539	const_iv (O_RDONLY, O_RDONLY)	893	const_iv (O_RDONLY)
540	const_iv (O_WRONLY, O_WRONLY)	894	const_iv (O_WRONLY)
		895	const_iv (O_RDWR)
541	const_iv (O_CREAT , O_CREAT)	896	const_iv (O_CREAT)
542	const_iv (O_TRUNC , O_TRUNC)	897	const_iv (O_TRUNC)
543	#ifndef _WIN32	898	const_iv (O_EXCL)
		899	const_iv (O_APPEND)
		900
		901	const_iv (O_ASYNC)
		902	const_iv (O_DIRECT)
		903	const_iv (O_NOATIME)
		904
		905	const_iv (O_CLOEXEC)
		906	const_iv (O_NOCTTY)
		907	const_iv (O_NOFOLLOW)
		908	const_iv (O_NONBLOCK)
		909	const_iv (O_EXEC)
		910	const_iv (O_SEARCH)
		911	const_iv (O_DIRECTORY)
		912	const_iv (O_DSYNC)
		913	const_iv (O_RSYNC)
		914	const_iv (O_SYNC)
		915	const_iv (O_TTY_INIT)
		916
544	const_iv (S_IFIFO , S_IFIFO)	917	const_iv (S_IFIFO)
545	#endif	918	const_iv (S_IFCHR)
		919	const_iv (S_IFBLK)
		920	const_iv (S_IFLNK)
		921	const_iv (S_IFREG)
		922	const_iv (S_IFDIR)
		923	const_iv (S_IFWHT)
		924	const_iv (S_IFSOCK)
		925	const_iv (S_IFMT)
		926
546	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	927	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	928	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	929	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	930	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	931	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	932	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		933
		934	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		935	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		936	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		937	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		938	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		939
		940	const_iv (ST_RDONLY)
		941	const_iv (ST_NOSUID)
		942	const_iv (ST_NODEV)
		943	const_iv (ST_NOEXEC)
		944	const_iv (ST_SYNCHRONOUS)
		945	const_iv (ST_MANDLOCK)
		946	const_iv (ST_WRITE)
		947	const_iv (ST_APPEND)
		948	const_iv (ST_IMMUTABLE)
		949	const_iv (ST_NOATIME)
		950	const_iv (ST_NODIRATIME)
		951	const_iv (ST_RELATIME)
		952
		953	const_iv (PROT_NONE)
		954	const_iv (PROT_EXEC)
		955	const_iv (PROT_READ)
		956	const_iv (PROT_WRITE)
		957
		958	/*const_iv (MAP_FIXED)*/
		959	const_iv (MAP_PRIVATE)
		960	const_iv (MAP_SHARED)
		961	const_iv (MAP_ANONYMOUS)
		962
		963	/* linuxish */
		964	const_iv (MAP_HUGETLB)
		965	const_iv (MAP_LOCKED)
		966	const_iv (MAP_NORESERVE)
		967	const_iv (MAP_POPULATE)
		968	const_iv (MAP_NONBLOCK)
		969
		970	const_eio (MCL_FUTURE)
		971	const_eio (MCL_CURRENT)
		972
		973	const_eio (MS_ASYNC)
		974	const_eio (MS_INVALIDATE)
		975	const_eio (MS_SYNC)
		976
		977	const_eio (MT_MODIFY)
552		978
553	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554	const_eio (SYNC_FILE_RANGE_WRITE)	980	const_eio (SYNC_FILE_RANGE_WRITE)
555	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		982
		983	const_eio (FALLOC_FL_KEEP_SIZE)
556		984
557	const_eio (READDIR_DENTS)	985	const_eio (READDIR_DENTS)
558	const_eio (READDIR_DIRS_FIRST)	986	const_eio (READDIR_DIRS_FIRST)
559	const_eio (READDIR_STAT_ORDER)	987	const_eio (READDIR_STAT_ORDER)
560	const_eio (READDIR_FOUND_UNKNOWN)	988	const_eio (READDIR_FOUND_UNKNOWN)
…		…
568	const_eio (DT_LNK)	996	const_eio (DT_LNK)
569	const_eio (DT_SOCK)	997	const_eio (DT_SOCK)
570	const_eio (DT_WHT)	998	const_eio (DT_WHT)
571	};	999	};
572		1000
573	stash = gv_stashpv ("IO::AIO", 1);	1001	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1002	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1003	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1004	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
574		1005
575	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1006	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
576	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1007	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
577		1008
578	create_respipe ();	1009	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
579		1010
580	if (eio_init (want_poll, done_poll) < 0)	1011	reinit ();
581	croak ("IO::AIO: unable to initialise eio library");
582
583	/* atfork child called in fifo order, so before eio's handler */
584	X_THREAD_ATFORK (0, 0, atfork_child);
585	}	1012	}
586		1013
587	void	1014	void
		1015	reinit ()
		1016	PROTOTYPE:
		1017
		1018	void
588	max_poll_reqs (int nreqs)	1019	max_poll_reqs (unsigned int nreqs)
589	PROTOTYPE: $	1020	PROTOTYPE: $
590	CODE:	1021	CODE:
591	eio_set_max_poll_reqs (nreqs);	1022	eio_set_max_poll_reqs (nreqs);
592		1023
593	void	1024	void
…		…
595	PROTOTYPE: $	1026	PROTOTYPE: $
596	CODE:	1027	CODE:
597	eio_set_max_poll_time (nseconds);	1028	eio_set_max_poll_time (nseconds);
598		1029
599	void	1030	void
600	min_parallel (int nthreads)	1031	min_parallel (unsigned int nthreads)
601	PROTOTYPE: $	1032	PROTOTYPE: $
602	CODE:	1033	CODE:
603	eio_set_min_parallel (nthreads);	1034	eio_set_min_parallel (nthreads);
604		1035
605	void	1036	void
606	max_parallel (int nthreads)	1037	max_parallel (unsigned int nthreads)
607	PROTOTYPE: $	1038	PROTOTYPE: $
608	CODE:	1039	CODE:
609	eio_set_max_parallel (nthreads);	1040	eio_set_max_parallel (nthreads);
610		1041
611	void	1042	void
612	max_idle (int nthreads)	1043	max_idle (unsigned int nthreads)
613	PROTOTYPE: $	1044	PROTOTYPE: $
614	CODE:	1045	CODE:
615	eio_set_max_idle (nthreads);	1046	eio_set_max_idle (nthreads);
616		1047
617	void	1048	void
		1049	idle_timeout (unsigned int seconds)
		1050	PROTOTYPE: $
		1051	CODE:
		1052	eio_set_idle_timeout (seconds);
		1053
		1054	void
618	max_outstanding (int maxreqs)	1055	max_outstanding (unsigned int maxreqs)
619	PROTOTYPE: $	1056	PROTOTYPE: $
620	CODE:	1057	CODE:
621	max_outstanding = maxreqs;	1058	max_outstanding = maxreqs;
622		1059
623	void	1060	void
		1061	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1062	PPCODE:
		1063	{
		1064	dREQ;
		1065
		1066	req->type = EIO_WD_OPEN;
		1067	req_set_path1 (req, pathname);
		1068
		1069	REQ_SEND;
		1070	}
		1071
		1072	void
624	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1073	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
625	PROTOTYPE: $$$;$
626	PPCODE:	1074	PPCODE:
627	{	1075	{
628	dREQ;	1076	dREQ;
629		1077
630	req->type = EIO_OPEN;	1078	req->type = EIO_OPEN;
631	req->sv1 = newSVsv (pathname);	1079	req_set_path1 (req, pathname);
632	req->ptr1 = SvPVbyte_nolen (req->sv1);
633	req->int1 = flags;	1080	req->int1 = flags;
634	req->int2 = mode;	1081	req->int2 = mode;
635		1082
636	REQ_SEND;	1083	REQ_SEND;
637	}	1084	}
638		1085
639	void	1086	void
640	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1087	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
641	PROTOTYPE: $;$
642	ALIAS:	1088	ALIAS:
643	aio_fsync = EIO_FSYNC	1089	aio_fsync = EIO_FSYNC
644	aio_fdatasync = EIO_FDATASYNC	1090	aio_fdatasync = EIO_FDATASYNC
		1091	aio_syncfs = EIO_SYNCFS
645	PPCODE:	1092	PPCODE:
646	{	1093	{
647	int fd = s_fileno_croak (fh, 0);	1094	int fd = s_fileno_croak (fh, 0);
648	dREQ;	1095	dREQ;
649		1096
…		…
654	REQ_SEND (req);	1101	REQ_SEND (req);
655	}	1102	}
656		1103
657	void	1104	void
658	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1105	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
659	PROTOTYPE: $$$$;$
660	PPCODE:	1106	PPCODE:
661	{	1107	{
662	int fd = s_fileno_croak (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
663	dREQ;	1109	dREQ;
664		1110
…		…
671		1117
672	REQ_SEND (req);	1118	REQ_SEND (req);
673	}	1119	}
674		1120
675	void	1121	void
676	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1122	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
677	PROTOTYPE: $;$
678	PPCODE:	1123	PPCODE:
679	{	1124	{
680	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681	int fd = s_fileno_croak (fh, 0);	1125	int fd = s_fileno_croak (fh, 0);
682	dREQ;	1126	dREQ;
683		1127
684	if (close_pipe < 0)	1128	req->type = EIO_FALLOCATE;
		1129	req->sv1 = newSVsv (fh);
		1130	req->int1 = fd;
		1131	req->int2 = mode;
		1132	req->offs = offset;
		1133	req->size = len;
		1134
		1135	REQ_SEND (req);
		1136	}
		1137
		1138	void
		1139	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1140	PPCODE:
		1141	{
		1142	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1143	int fd = s_fileno_croak (fh, 0);
		1144	dREQ;
		1145
		1146	if (expect_false (close_fd < 0))
685	{	1147	{
686	int pipefd [2];	1148	int pipefd [2];
687		1149
		1150	if (
		1151	#ifdef _WIN32
		1152	_pipe (pipefd, 1, _O_BINARY) < 0
		1153	#else
688	if (pipe (pipefd) < 0	1154	pipe (pipefd) < 0
689	|| close (pipefd [1]) < 0
690	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1155	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1156	#endif
		1157	|| close (pipefd [1]) < 0
		1158	)
691	abort (); /*D*/	1159	abort (); /*D*/
692		1160
693	close_pipe = pipefd [0];	1161	close_fd = pipefd [0];
694	}	1162	}
695		1163
696	req->type = EIO_DUP2;	1164	req->type = EIO_DUP2;
697	req->int1 = close_pipe;	1165	req->int1 = close_fd;
698	req->sv2 = newSVsv (fh);	1166	req->sv2 = newSVsv (fh);
699	req->int2 = fd;	1167	req->int2 = fd;
700		1168
701	REQ_SEND (req);	1169	REQ_SEND (req);
702	}	1170	}
…		…
704	void	1172	void
705	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1173	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
706	ALIAS:	1174	ALIAS:
707	aio_read = EIO_READ	1175	aio_read = EIO_READ
708	aio_write = EIO_WRITE	1176	aio_write = EIO_WRITE
709	PROTOTYPE: $$$$$;$
710	PPCODE:	1177	PPCODE:
711	{	1178	{
712	STRLEN svlen;	1179	STRLEN svlen;
713	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1180	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714	char *svptr = SvPVbyte (data, svlen);	1181	char *svptr = SvPVbyte (data, svlen);
…		…
754	REQ_SEND;	1221	REQ_SEND;
755	}	1222	}
756	}	1223	}
757		1224
758	void	1225	void
759	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1226	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
760	PROTOTYPE: $$;$	1227	ALIAS:
		1228	aio_readlink = EIO_READLINK
		1229	aio_realpath = EIO_REALPATH
761	PPCODE:	1230	PPCODE:
762	{	1231	{
763	SV *data;
764	dREQ;	1232	dREQ;
765		1233
766	req->type = EIO_READLINK;	1234	req->type = ix;
767	req->sv1 = newSVsv (path);	1235	req_set_path1 (req, pathname);
768	req->ptr1 = SvPVbyte_nolen (req->sv1);
769		1236
770	REQ_SEND;	1237	REQ_SEND;
771	}	1238	}
772		1239
773	void	1240	void
774	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1241	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
775	PROTOTYPE: $$$$;$
776	PPCODE:	1242	PPCODE:
777	{	1243	{
778	int ifd = s_fileno_croak (in_fh , 0);	1244	int ifd = s_fileno_croak (in_fh , 0);
779	int ofd = s_fileno_croak (out_fh, 1);	1245	int ofd = s_fileno_croak (out_fh, 1);
780	dREQ;	1246	dREQ;
…		…
790	REQ_SEND;	1256	REQ_SEND;
791	}	1257	}
792		1258
793	void	1259	void
794	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1260	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
795	PROTOTYPE: $$$;$
796	PPCODE:	1261	PPCODE:
797	{	1262	{
798	int fd = s_fileno_croak (fh, 0);	1263	int fd = s_fileno_croak (fh, 0);
799	dREQ;	1264	dREQ;
800		1265
…		…
808	}	1273	}
809		1274
810	void	1275	void
811	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1276	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
812	ALIAS:	1277	ALIAS:
813	aio_stat = EIO_STAT	1278	aio_stat = EIO_STAT
814	aio_lstat = EIO_LSTAT	1279	aio_lstat = EIO_LSTAT
		1280	aio_statvfs = EIO_STATVFS
815	PPCODE:	1281	PPCODE:
816	{	1282	{
817	dREQ;	1283	dREQ;
818		1284
819	req->sv1 = newSVsv (fh_or_path);	1285	req->sv1 = newSVsv (fh_or_path);
820		1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
821	if (SvPOK (req->sv1))
822	{
823	req->type = ix;
824	req->ptr1 = SvPVbyte_nolen (req->sv1);
825	}
826	else
827	{
828	req->type = EIO_FSTAT;
829	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830	}
831
832	REQ_SEND;	1287	REQ_SEND;
833	}	1288	}
		1289
		1290	UV
		1291	major (UV dev)
		1292	ALIAS:
		1293	minor = 1
		1294	CODE:
		1295	RETVAL = ix ? major (dev) : minor (dev);
		1296	OUTPUT:
		1297	RETVAL
		1298
		1299	UV
		1300	makedev (UV maj, UV min)
		1301	CODE:
		1302	RETVAL = makedev (maj, min);
		1303	OUTPUT:
		1304	RETVAL
834		1305
835	void	1306	void
836	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1307	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
837	PPCODE:	1308	PPCODE:
838	{	1309	{
839	dREQ;	1310	dREQ;
840		1311
841	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1312	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
842	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1313	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
843	req->sv1 = newSVsv (fh_or_path);	1314	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
844
845	if (SvPOK (req->sv1))
846	{
847	req->type = EIO_UTIME;
848	req->ptr1 = SvPVbyte_nolen (req->sv1);
849	}
850	else
851	{
852	req->type = EIO_FUTIME;
853	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
854	}
855		1315
856	REQ_SEND;	1316	REQ_SEND;
857	}	1317	}
858		1318
859	void	1319	void
860	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1320	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
861	PPCODE:	1321	PPCODE:
862	{	1322	{
863	dREQ;	1323	dREQ;
864		1324
865	req->sv1 = newSVsv (fh_or_path);
866	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1325	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
867		1326	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
868	if (SvPOK (req->sv1))
869	{
870	req->type = EIO_TRUNCATE;
871	req->ptr1 = SvPVbyte_nolen (req->sv1);
872	}
873	else
874	{
875	req->type = EIO_FTRUNCATE;
876	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
877	}
878		1327
879	REQ_SEND;	1328	REQ_SEND;
880	}	1329	}
881		1330
882	void	1331	void
…		…
887	PPCODE:	1336	PPCODE:
888	{	1337	{
889	dREQ;	1338	dREQ;
890		1339
891	req->int2 = mode;	1340	req->int2 = mode;
892	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
893
894	if (SvPOK (req->sv1))
895	{
896	req->type = ix;
897	req->ptr1 = SvPVbyte_nolen (req->sv1);
898	}
899	else
900	{
901	req->type = EIO_FCHMOD;
902	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
903	}
904		1342
905	REQ_SEND;	1343	REQ_SEND;
906	}	1344	}
907		1345
908	void	1346	void
…		…
911	{	1349	{
912	dREQ;	1350	dREQ;
913		1351
914	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1352	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
915	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1353	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
916	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
917
918	if (SvPOK (req->sv1))
919	{
920	req->type = EIO_CHOWN;
921	req->ptr1 = SvPVbyte_nolen (req->sv1);
922	}
923	else
924	{
925	req->type = EIO_FCHOWN;
926	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
927	}
928		1355
929	REQ_SEND;	1356	REQ_SEND;
930	}	1357	}
931		1358
932	void	1359	void
…		…
934	PPCODE:	1361	PPCODE:
935	{	1362	{
936	dREQ;	1363	dREQ;
937		1364
938	req->type = EIO_READDIR;	1365	req->type = EIO_READDIR;
939	req->sv1 = newSVsv (pathname);
940	req->ptr1 = SvPVbyte_nolen (req->sv1);
941	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1366	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
942		1367
943	if (flags & EIO_READDIR_DENTS)	1368	if (flags & EIO_READDIR_DENTS)
944	req->int1 |= EIO_READDIR_CUSTOM2;	1369	req->int1 |= EIO_READDIR_CUSTOM2;
		1370
		1371	req_set_path1 (req, pathname);
945		1372
946	REQ_SEND;	1373	REQ_SEND;
947	}	1374	}
948		1375
949	void	1376	void
…		…
955	PPCODE:	1382	PPCODE:
956	{	1383	{
957	dREQ;	1384	dREQ;
958		1385
959	req->type = ix;	1386	req->type = ix;
960	req->sv1 = newSVsv (pathname);	1387	req_set_path1 (req, pathname);
961	req->ptr1 = SvPVbyte_nolen (req->sv1);
962		1388
963	REQ_SEND;	1389	REQ_SEND;
964	}	1390	}
965		1391
966	void	1392	void
…		…
970	aio_symlink = EIO_SYMLINK	1396	aio_symlink = EIO_SYMLINK
971	aio_rename = EIO_RENAME	1397	aio_rename = EIO_RENAME
972	PPCODE:	1398	PPCODE:
973	{	1399	{
974	dREQ;	1400	dREQ;
		1401	eio_wd wd2 = 0;
975		1402
976	req->type = ix;	1403	req->type = ix;
977	req->sv1 = newSVsv (oldpath);	1404	req_set_path1 (req, oldpath);
978	req->ptr1 = SvPVbyte_nolen (req->sv1);	1405	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
979	req->sv2 = newSVsv (newpath);	1406	req->int3 = (long)wd2;
980	req->ptr2 = SvPVbyte_nolen (req->sv2);
981		1407
982	REQ_SEND;	1408	REQ_SEND;
983	}	1409	}
984		1410
985	void	1411	void
…		…
987	PPCODE:	1413	PPCODE:
988	{	1414	{
989	dREQ;	1415	dREQ;
990		1416
991	req->type = EIO_MKNOD;	1417	req->type = EIO_MKNOD;
992	req->sv1 = newSVsv (pathname);
993	req->ptr1 = SvPVbyte_nolen (req->sv1);
994	req->int2 = (mode_t)mode;	1418	req->int2 = (mode_t)mode;
995	req->offs = dev;	1419	req->offs = dev;
		1420	req_set_path1 (req, pathname);
996		1421
997	REQ_SEND;	1422	REQ_SEND;
998	}	1423	}
999		1424
1000	void	1425	void
		1426	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1427	ALIAS:
		1428	aio_mtouch = EIO_MTOUCH
		1429	aio_msync = EIO_MSYNC
		1430	PPCODE:
		1431	{
		1432	STRLEN svlen;
		1433	char *svptr = SvPVbyte (data, svlen);
		1434	UV len = SvUV (length);
		1435
		1436	if (offset < 0)
		1437	offset += svlen;
		1438
		1439	if (offset < 0 || offset > svlen)
		1440	croak ("offset outside of scalar");
		1441
		1442	if (!SvOK (length) || len + offset > svlen)
		1443	len = svlen - offset;
		1444
		1445	{
		1446	dREQ;
		1447
		1448	req->type = ix;
		1449	req->sv2 = SvREFCNT_inc (data);
		1450	req->ptr2 = (char *)svptr + offset;
		1451	req->size = len;
		1452	req->int1 = flags;
		1453
		1454	REQ_SEND;
		1455	}
		1456	}
		1457
		1458	void
		1459	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1460	PPCODE:
		1461	{
		1462	STRLEN svlen;
		1463	char *svptr = SvPVbyte (data, svlen);
		1464	UV len = SvUV (length);
		1465
		1466	if (offset < 0)
		1467	offset += svlen;
		1468
		1469	if (offset < 0 || offset > svlen)
		1470	croak ("offset outside of scalar");
		1471
		1472	if (!SvOK (length) || len + offset > svlen)
		1473	len = svlen - offset;
		1474
		1475	{
		1476	dREQ;
		1477
		1478	req->type = EIO_MLOCK;
		1479	req->sv2 = SvREFCNT_inc (data);
		1480	req->ptr2 = (char *)svptr + offset;
		1481	req->size = len;
		1482
		1483	REQ_SEND;
		1484	}
		1485	}
		1486
		1487	void
		1488	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1489	PPCODE:
		1490	{
		1491	dREQ;
		1492
		1493	req->type = EIO_MLOCKALL;
		1494	req->int1 = flags;
		1495
		1496	REQ_SEND;
		1497	}
		1498
		1499	void
1001	aio_busy (double delay, SV *callback=&PL_sv_undef)	1500	aio_busy (double delay, SV *callback=&PL_sv_undef)
1002	PPCODE:	1501	PPCODE:
1003	{	1502	{
1004	dREQ;	1503	dREQ;
1005		1504
…		…
1009	REQ_SEND;	1508	REQ_SEND;
1010	}	1509	}
1011		1510
1012	void	1511	void
1013	aio_group (SV *callback=&PL_sv_undef)	1512	aio_group (SV *callback=&PL_sv_undef)
1014	PROTOTYPE: ;$
1015	PPCODE:	1513	PPCODE:
1016	{	1514	{
1017	dREQ;	1515	dREQ;
1018		1516
1019	req->type = EIO_GROUP;	1517	req->type = EIO_GROUP;
1020		1518
1021	req_submit (req);	1519	req_submit (req);
1022	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1520	XPUSHs (req_sv (req, aio_grp_stash));
1023	}	1521	}
1024		1522
1025	void	1523	void
1026	aio_nop (SV *callback=&PL_sv_undef)	1524	aio_nop (SV *callback=&PL_sv_undef)
1027	ALIAS:	1525	ALIAS:
…		…
1036	REQ_SEND;	1534	REQ_SEND;
1037	}	1535	}
1038		1536
1039	int	1537	int
1040	aioreq_pri (int pri = 0)	1538	aioreq_pri (int pri = 0)
1041	PROTOTYPE: ;$
1042	CODE:	1539	CODE:
1043	RETVAL = next_pri;	1540	RETVAL = next_pri;
1044	if (items > 0)	1541	if (items > 0)
1045	{	1542	{
1046	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1543	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1058	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1555	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059	next_pri = nice;	1556	next_pri = nice;
1060		1557
1061	void	1558	void
1062	flush ()	1559	flush ()
1063	PROTOTYPE:
1064	CODE:	1560	CODE:
1065	while (eio_nreqs ())	1561	while (eio_nreqs ())
1066	{	1562	{
1067	poll_wait ();	1563	poll_wait ();
1068	poll_cb ();	1564	poll_cb ();
1069	}	1565	}
1070		1566
1071	int	1567	int
1072	poll()	1568	poll ()
1073	PROTOTYPE:
1074	CODE:	1569	CODE:
1075	poll_wait ();	1570	poll_wait ();
1076	RETVAL = poll_cb ();	1571	RETVAL = poll_cb ();
1077	OUTPUT:	1572	OUTPUT:
1078	RETVAL	1573	RETVAL
1079		1574
1080	int	1575	int
1081	poll_fileno()	1576	poll_fileno ()
1082	PROTOTYPE:
1083	CODE:	1577	CODE:
1084	RETVAL = s_epipe_fd (&respipe);	1578	RETVAL = s_epipe_fd (&respipe);
1085	OUTPUT:	1579	OUTPUT:
1086	RETVAL	1580	RETVAL
1087		1581
1088	int	1582	int
1089	poll_cb(...)	1583	poll_cb (...)
1090	PROTOTYPE:	1584	PROTOTYPE:
1091	CODE:	1585	CODE:
1092	RETVAL = poll_cb ();	1586	RETVAL = poll_cb ();
1093	OUTPUT:	1587	OUTPUT:
1094	RETVAL	1588	RETVAL
1095		1589
1096	void	1590	void
1097	poll_wait()	1591	poll_wait ()
1098	PROTOTYPE:
1099	CODE:	1592	CODE:
1100	poll_wait ();	1593	poll_wait ();
1101		1594
1102	int	1595	int
1103	nreqs()	1596	nreqs ()
1104	PROTOTYPE:
1105	CODE:	1597	CODE:
1106	RETVAL = eio_nreqs ();	1598	RETVAL = eio_nreqs ();
1107	OUTPUT:	1599	OUTPUT:
1108	RETVAL	1600	RETVAL
1109		1601
1110	int	1602	int
1111	nready()	1603	nready ()
1112	PROTOTYPE:
1113	CODE:	1604	CODE:
1114	RETVAL = eio_nready ();	1605	RETVAL = eio_nready ();
1115	OUTPUT:	1606	OUTPUT:
1116	RETVAL	1607	RETVAL
1117		1608
1118	int	1609	int
1119	npending()	1610	npending ()
1120	PROTOTYPE:
1121	CODE:	1611	CODE:
1122	RETVAL = eio_npending ();	1612	RETVAL = eio_npending ();
1123	OUTPUT:	1613	OUTPUT:
1124	RETVAL	1614	RETVAL
1125		1615
1126	int	1616	int
1127	nthreads()	1617	nthreads ()
1128	PROTOTYPE:
1129	CODE:	1618	CODE:
1130	RETVAL = eio_nthreads ();	1619	RETVAL = eio_nthreads ();
1131	OUTPUT:	1620	OUTPUT:
1132	RETVAL	1621	RETVAL
1133		1622
1134	int	1623	int
1135	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1624	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136	PROTOTYPE: $$$$
1137	CODE:	1625	CODE:
1138	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139	RETVAL = posix_fadvise (fh, offset, length, advice);	1626	RETVAL = posix_fadvise (fh, offset, length, advice);
1140	#else
1141	RETVAL = errno = ENOSYS;
1142	#endif
1143	OUTPUT:	1627	OUTPUT:
1144	RETVAL	1628	RETVAL
1145		1629
1146	ssize_t	1630	IV
1147	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1631	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148	PROTOTYPE: $$$$
1149	CODE:	1632	CODE:
1150	eio_sendfile_sync (ofh, ifh, offset, count);	1633	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1634	OUTPUT:
		1635	RETVAL
		1636
		1637	void
		1638	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1639	PPCODE:
		1640	sv_unmagic (scalar, MMAP_MAGIC);
		1641	{
		1642	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1643	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1644	if (addr == (void *)-1)
		1645	XSRETURN_NO;
		1646
		1647	sv_force_normal (scalar);
		1648
		1649	/* we store the length in mg_obj, as namlen is I32 :/ */
		1650	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1651	->mg_obj = (SV *)length;
		1652
		1653	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1654
		1655	if (!(prot & PROT_WRITE))
		1656	SvREADONLY_on (scalar);
		1657
		1658	if (SvLEN (scalar))
		1659	Safefree (SvPVX (scalar));
		1660
		1661	SvPVX (scalar) = (char *)addr;
		1662	SvCUR_set (scalar, length);
		1663	SvLEN_set (scalar, 0);
		1664	SvPOK_only (scalar);
		1665
		1666	XSRETURN_YES;
		1667	}
		1668
		1669	void
		1670	munmap (SV *scalar)
		1671	CODE:
		1672	sv_unmagic (scalar, MMAP_MAGIC);
		1673
		1674	int
		1675	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1676	ALIAS:
		1677	mprotect = 1
		1678	CODE:
		1679	{
		1680	STRLEN svlen;
		1681	void *addr = SvPVbyte (scalar, svlen);
		1682	size_t len = SvUV (length);
		1683
		1684	if (offset < 0)
		1685	offset += svlen;
		1686
		1687	if (offset < 0 || offset > svlen)
		1688	croak ("offset outside of scalar");
		1689
		1690	if (!SvOK (length) || len + offset > svlen)
		1691	len = svlen - offset;
		1692
		1693	addr = (void *)(((intptr_t)addr) + offset);
		1694	eio_page_align (&addr, &len);
		1695
		1696	switch (ix)
		1697	{
		1698	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1699	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1700	}
		1701	}
		1702	OUTPUT:
		1703	RETVAL
		1704
		1705	int
		1706	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1707	CODE:
		1708	{
		1709	STRLEN svlen;
		1710	void *addr = SvPVbyte (scalar, svlen);
		1711	size_t len = SvUV (length);
		1712
		1713	if (offset < 0)
		1714	offset += svlen;
		1715
		1716	if (offset < 0 || offset > svlen)
		1717	croak ("offset outside of scalar");
		1718
		1719	if (!SvOK (length) || len + offset > svlen)
		1720	len = svlen - offset;
		1721
		1722	addr = (void *)(((intptr_t)addr) + offset);
		1723	eio_page_align (&addr, &len);
		1724	#if _POSIX_MEMLOCK_RANGE
		1725	RETVAL = munlock (addr, len);
		1726	#else
		1727	RETVAL = ((errno = ENOSYS), -1);
		1728	#endif
		1729	}
		1730	OUTPUT:
		1731	RETVAL
		1732
		1733	int
		1734	munlockall ()
		1735	CODE:
		1736	#if _POSIX_MEMLOCK
		1737	munlockall ();
		1738	#else
		1739	RETVAL = -1;
		1740	errno = ENOSYS;
		1741	#endif
		1742	OUTPUT:
		1743	RETVAL
1151		1744
1152	void _on_next_submit (SV *cb)	1745	void _on_next_submit (SV *cb)
1153	CODE:	1746	CODE:
1154	SvREFCNT_dec (on_next_submit);	1747	SvREFCNT_dec (on_next_submit);
1155	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1748	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1156		1749
1157	PROTOTYPES: DISABLE	1750	PROTOTYPES: DISABLE
		1751
		1752	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1753
		1754	BOOT:
		1755	{
		1756	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1757	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1758	}
		1759
		1760	void
		1761	DESTROY (SV *self)
		1762	CODE:
		1763	{
		1764	aio_wd wd = SvAIO_WD (self);
		1765	#if HAVE_AT
		1766	SV *callback = &PL_sv_undef;
		1767	dREQ; /* clobbers next_pri :/ */
		1768	req->type = EIO_WD_CLOSE;
		1769	req->wd = wd;
		1770	REQ_SEND;
		1771	#else
		1772	eio_wd_close_sync (wd);
		1773	#endif
		1774	}
1158		1775
1159	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1776	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1160		1777
1161	void	1778	void
1162	cancel (aio_req_ornot req)	1779	cancel (aio_req_ornot req)

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