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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.167 by root, Sun May 9 20:49:52 2010 UTC vs.
Revision 1.202 by root, Thu Sep 29 10:01:35 2011 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>
23	#endif	22	#endif
24		23
25	/* perl namespace pollution */	24	/* perl namespace pollution */
26	#undef VERSION	25	#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		26
77	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	29	#undef readdir
80	#undef opendir	30	#undef opendir
81	#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
82		76
83	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
84		78
85	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
108		102
109	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
112		106
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		108
115	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
116	SV *callback; \	110	SV *callback; \
117	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
118	STRLEN stroffset; \	113	STRLEN stroffset; \
119	SV *self;	114	SV *self;
120		115
121	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
122		117
		118	#include "libeio/config.h"
123	#include "libeio/eio.h"	119	#include "libeio/eio.h"
		120
		121	static int req_invoke (eio_req *req);
		122	#define EIO_FINISH(req) req_invoke (req)
		123	static void req_destroy (eio_req *grp);
		124	#define EIO_DESTROY(req) req_destroy (req)
		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
124		173
125	#ifndef POSIX_FADV_NORMAL	174	#ifndef POSIX_FADV_NORMAL
126	# define POSIX_FADV_NORMAL 0	175	# define POSIX_FADV_NORMAL 0
127	# define NO_FADVISE 1
128	#endif	176	#endif
129	#ifndef POSIX_FADV_SEQUENTIAL	177	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0	178	# define POSIX_FADV_SEQUENTIAL 0
131	#endif	179	#endif
132	#ifndef POSIX_FADV_RANDOM	180	#ifndef POSIX_FADV_RANDOM
…		…
140	#endif	188	#endif
141	#ifndef POSIX_FADV_DONTNEED	189	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0	190	# define POSIX_FADV_DONTNEED 0
143	#endif	191	#endif
144		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
145	#ifndef ST_NODEV	236	#ifndef ST_NODEV
146	# define ST_NODEV 0	237	# define ST_NODEV 0
147	#endif	238	#endif
148	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
171	#endif	262	#endif
172	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
173	# define ST_RELATIME 0	264	# define ST_RELATIME 0
174	#endif	265	#endif
175		266
176	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
177	# define MCL_CURRENT 0	268	# define S_IFIFO 0
178	#endif	269	#endif
179	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
180	# define MCL_FUTURE 0	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
181	#endif	290	#endif
182		291
183	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	293	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
201	#endif	310	#endif
202	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
204	#endif	313	#endif
205		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
206	#ifndef PAGESIZE	325	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	327	#endif
209
210	static int req_invoke (eio_req *req);
211	#define EIO_FINISH(req) req_invoke (req)
212	static void req_destroy (eio_req *grp);
213	#define EIO_DESTROY(req) req_destroy (req)
214		328
215	enum {	329	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	331	};
218		332
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
223		336
224	static SV *on_next_submit;	337	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	339	static int max_outstanding;
227		340
228	static s_epipe respipe;	341	static s_epipe respipe;
229		342
230	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
232		345
233	static void want_poll (void)	346	static void
		347	want_poll (void)
234	{	348	{
235	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	350	s_epipe_signal (&respipe);
237	}	351	}
238		352
239	static void done_poll (void)	353	static void
		354	done_poll (void)
240	{	355	{
241	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	357	s_epipe_drain (&respipe);
243	}	358	}
244		359
245	/* must be called at most once */	360	/* must be called at most once */
		361	static SV *
246	static SV *req_sv (aio_req req, HV *stash)	362	req_sv (aio_req req, HV *stash)
247	{	363	{
248	if (!req->self)	364	if (!req->self)
249	{	365	{
250	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	368	}
253		369
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	371	}
256		372
257	static aio_req SvAIO_REQ (SV *sv)	373	static SV *
		374	newSVaio_wd (aio_wd wd)
		375	{
		376	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);
		377	}
		378
		379	static aio_req
		380	SvAIO_REQ (SV *sv)
258	{	381	{
259	MAGIC *mg;	382	MAGIC *mg;
260		383
261	if (!SvROK (sv)	384	if (!SvROK (sv)
262	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
…		…
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	390	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		391
269	return mg ? (aio_req)mg->mg_ptr : 0;	392	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	393	}
271		394
		395	static aio_wd
		396	SvAIO_WD (SV *sv)
		397	{
		398	if (!SvROK (sv)
		399	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		400	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		401	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		402
		403	return (aio_wd)(long)SvIVX (SvRV (sv));
		404	}
		405
		406	static void
272	static void aio_grp_feed (aio_req grp)	407	aio_grp_feed (aio_req grp)
273	{	408	{
274	if (grp->sv2 && SvOK (grp->sv2))	409	if (grp->sv2 && SvOK (grp->sv2))
275	{	410	{
276	dSP;	411	dSP;
277		412
…		…
285	FREETMPS;	420	FREETMPS;
286	LEAVE;	421	LEAVE;
287	}	422	}
288	}	423	}
289		424
		425	static void
290	static void req_submit (eio_req *req)	426	req_submit (eio_req *req)
291	{	427	{
292	eio_submit (req);	428	eio_submit (req);
293		429
294	if (expect_false (on_next_submit))	430	if (expect_false (on_next_submit))
295	{	431	{
…		…
302	PUTBACK;	438	PUTBACK;
303	call_sv (cb, G_DISCARD | G_EVAL);	439	call_sv (cb, G_DISCARD | G_EVAL);
304	}	440	}
305	}	441	}
306		442
		443	static int
307	static int req_invoke (eio_req *req)	444	req_invoke (eio_req *req)
308	{	445	{
309	if (req->flags & FLAG_SV2_RO_OFF)	446	if (req->flags & FLAG_SV2_RO_OFF)
310	SvREADONLY_off (req->sv2);	447	SvREADONLY_off (req->sv2);
311		448
312	if (!EIO_CANCELLED (req) && req->callback)	449	if (!EIO_CANCELLED (req) && req->callback)
…		…
323	/* do not recreate the result IV from scratch each time */	460	/* do not recreate the result IV from scratch each time */
324	if (expect_true (sv_result_cache))	461	if (expect_true (sv_result_cache))
325	{	462	{
326	sv_result = sv_result_cache; sv_result_cache = 0;	463	sv_result = sv_result_cache; sv_result_cache = 0;
327	SvIV_set (sv_result, req->result);	464	SvIV_set (sv_result, req->result);
		465	SvIOK_only (sv_result);
328	}	466	}
329	else	467	else
330	{	468	{
331	sv_result = newSViv (req->result);	469	sv_result = newSViv (req->result);
332	SvREADONLY_on (sv_result);	470	SvREADONLY_on (sv_result);
333	}	471	}
334		472
335	switch (req->type)	473	switch (req->type)
336	{	474	{
		475	case EIO_WD_OPEN:
		476	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		477	break;
		478
337	case EIO_READDIR:	479	case EIO_READDIR:
338	{	480	{
339	SV *rv = &PL_sv_undef;	481	SV *rv = &PL_sv_undef;
340		482
341	if (req->result >= 0)	483	if (req->result >= 0)
…		…
429	case EIO_STATVFS:	571	case EIO_STATVFS:
430	case EIO_FSTATVFS:	572	case EIO_FSTATVFS:
431	{	573	{
432	SV *rv = &PL_sv_undef;	574	SV *rv = &PL_sv_undef;
433		575
		576	#ifndef _WIN32
434	if (req->result >= 0)	577	if (req->result >= 0)
435	{	578	{
436	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437	HV *hv = newHV ();	580	HV *hv = newHV ();
438		581
…		…
448	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	591	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	592	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
450	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	593	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	594	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452	}	595	}
		596	#endif
453		597
454	PUSHs (rv);	598	PUSHs (rv);
455	}	599	}
456		600
457	break;	601	break;
…		…
473	case EIO_NOP:	617	case EIO_NOP:
474	case EIO_BUSY:	618	case EIO_BUSY:
475	break;	619	break;
476		620
477	case EIO_READLINK:	621	case EIO_READLINK:
		622	case EIO_REALPATH:
478	if (req->result > 0)	623	if (req->result > 0)
479	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	624	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480	break;	625	break;
481		626
482	case EIO_STAT:	627	case EIO_STAT:
483	case EIO_LSTAT:	628	case EIO_LSTAT:
484	case EIO_FSTAT:	629	case EIO_FSTAT:
485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	630	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		631
486	PL_laststatval = req->result;	632	if (!(PL_laststatval = req->result))
		633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
487	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		635
488	PUSHs (sv_result);	636	PUSHs (sv_result);
489	break;	637	break;
490		638
491	case EIO_READ:	639	case EIO_READ:
492	{	640	{
…		…
496	SvSETMAGIC (req->sv2);	644	SvSETMAGIC (req->sv2);
497	PUSHs (sv_result);	645	PUSHs (sv_result);
498	}	646	}
499	break;	647	break;
500		648
501	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502	if (req->result > 0)	650	if (req->result > 0)
503	SvIV_set (sv_result, 0);	651	SvIV_set (sv_result, 0);
504	/* FALLTHROUGH */	652	/* FALLTHROUGH */
505		653
506	default:	654	default:
…		…
526	}	674	}
527		675
528	return !!SvTRUE (ERRSV);	676	return !!SvTRUE (ERRSV);
529	}	677	}
530		678
		679	static void
531	static void req_destroy (aio_req req)	680	req_destroy (aio_req req)
532	{	681	{
533	if (req->self)	682	if (req->self)
534	{	683	{
535	sv_unmagic (req->self, PERL_MAGIC_ext);	684	sv_unmagic (req->self, PERL_MAGIC_ext);
536	SvREFCNT_dec (req->self);	685	SvREFCNT_dec (req->self);
537	}	686	}
538		687
539	SvREFCNT_dec (req->sv1);	688	SvREFCNT_dec (req->sv1);
540	SvREFCNT_dec (req->sv2);	689	SvREFCNT_dec (req->sv2);
		690	SvREFCNT_dec (req->sv3);
		691	SvREFCNT_dec (req->sv4);
541	SvREFCNT_dec (req->callback);	692	SvREFCNT_dec (req->callback);
542		693
543	Safefree (req);	694	Safefree (req);
544	}	695	}
545		696
		697	static void
546	static void req_cancel_subs (aio_req grp)	698	req_cancel_subs (aio_req grp)
547	{	699	{
548	aio_req sub;
549
550	if (grp->type != EIO_GROUP)	700	if (grp->type != EIO_GROUP)
551	return;	701	return;
552		702
553	SvREFCNT_dec (grp->sv2);	703	SvREFCNT_dec (grp->sv2);
554	grp->sv2 = 0;	704	grp->sv2 = 0;
555		705
556	eio_grp_cancel (grp);	706	eio_grp_cancel (grp);
557	}	707	}
558		708
559	static void	709	static void ecb_cold
560	create_respipe (void)	710	create_respipe (void)
561	{	711	{
562	if (s_epipe_renew (&respipe))	712	if (s_epipe_renew (&respipe))
563	croak ("IO::AIO: unable to initialize result pipe");	713	croak ("IO::AIO: unable to initialize result pipe");
564	}	714	}
565		715
566	static void poll_wait (void)	716	static void
		717	poll_wait (void)
567	{	718	{
568	while (eio_nreqs ())	719	while (eio_nreqs ())
569	{	720	{
570	int size;	721	int size;
571		722
…		…
580		731
581	s_epipe_wait (&respipe);	732	s_epipe_wait (&respipe);
582	}	733	}
583	}	734	}
584		735
585	static int poll_cb (void)	736	static int
		737	poll_cb (void)
586	{	738	{
587	for (;;)	739	for (;;)
588	{	740	{
589	int res = eio_poll ();	741	int res = eio_poll ();
590		742
…		…
596		748
597	poll_wait ();	749	poll_wait ();
598	}	750	}
599	}	751	}
600		752
601	static void atfork_child (void)	753	static void ecb_cold
		754	reinit (void)
602	{	755	{
603	create_respipe ();	756	create_respipe ();
		757
		758	if (eio_init (want_poll, done_poll) < 0)
		759	croak ("IO::AIO: unable to initialise eio library");
604	}	760	}
605		761
606	/*****************************************************************************/	762	/*****************************************************************************/
607		763
608	#if !_POSIX_MAPPED_FILES	764	#if !_POSIX_MAPPED_FILES
609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610	# define munmap(addr,length) (errno = ENOSYS, -1)	766	# define munmap(addr,length) (errno = ENOSYS, -1)
611	#endif	767	#endif
612		768
		769	#if !_POSIX_MEMORY_PROTECTION
		770	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		771	# define PROT_NONE 0
		772	# define PROT_WRITE 0
		773	# define MAP_PRIVATE 0
		774	# define MAP_SHARED 0
		775	# define MAP_FIXED 0
		776	#endif
		777
613	#define MMAP_MAGIC PERL_MAGIC_ext	778	#define MMAP_MAGIC PERL_MAGIC_ext
614		779
615	static int	780	static int ecb_cold
616	mmap_free (pTHX_ SV *sv, MAGIC *mg)	781	mmap_free (pTHX_ SV *sv, MAGIC *mg)
617	{	782	{
618	int old_errno = errno;	783	int old_errno = errno;
619	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	784	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620	errno = old_errno;	785	errno = old_errno;
621		786
622	mg->mg_obj = 0; /* just in case */	787	mg->mg_obj = 0; /* just in case */
623		788
624	SvREADONLY_off (sv);	789	SvREADONLY_off (sv);
		790
		791	if (SvPVX (sv) != mg->mg_ptr)
		792	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		793
625	SvCUR_set (sv, 0);	794	SvCUR_set (sv, 0);
626	SvLEN_set (sv, 0);
627	SvPVX (sv) = 0;	795	SvPVX (sv) = 0;
628	SvOK_off (sv);	796	SvOK_off (sv);
629		797
630	return 0;	798	return 0;
631	}	799	}
…		…
663	req_submit (req); \	831	req_submit (req); \
664	SPAGAIN; \	832	SPAGAIN; \
665	\	833	\
666	if (GIMME_V != G_VOID) \	834	if (GIMME_V != G_VOID) \
667	XPUSHs (req_sv (req, aio_req_stash));	835	XPUSHs (req_sv (req, aio_req_stash));
		836
		837	ecb_inline void
		838	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		839	{
		840	if (expect_false (SvROK (path)))
		841	{
		842	AV *av = (AV *)SvRV (path);
		843	SV *wdob;
		844
		845	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		846	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		847
		848	path = AvARRAY (av)[1];
		849	wdob = AvARRAY (av)[0];
		850
		851	if (SvOK (wdob))
		852	{
		853	*wd = SvAIO_WD (wdob);
		854	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		855	}
		856	else
		857	*wd = EIO_INVALID_WD;
		858	}
		859
		860	*pathsv = newSVsv (path);
		861	*ptr = SvPVbyte_nolen (*pathsv);
		862	}
		863
		864	static void ecb_noinline
		865	req_set_path1 (aio_req req, SV *path)
		866	{
		867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		868	}
		869
		870	static void ecb_noinline
		871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		872	{
		873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		874
		875	switch (SvTYPE (rv))
		876	{
		877	case SVt_PVIO:
		878	case SVt_PVLV:
		879	case SVt_PVGV:
		880	req->type = type_fh;
		881	req->sv1 = newSVsv (fh_or_path);
		882	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		883	break;
		884
		885	default:
		886	req->type = type_path;
		887	req_set_path1 (req, fh_or_path);
		888	break;
		889	}
		890	}
		891
		892	XS(boot_IO__AIO) ecb_cold;
668		893
669	MODULE = IO::AIO PACKAGE = IO::AIO	894	MODULE = IO::AIO PACKAGE = IO::AIO
670		895
671	PROTOTYPES: ENABLE	896	PROTOTYPES: ENABLE
672		897
…		…
686	const_iv (O_RDWR)	911	const_iv (O_RDWR)
687	const_iv (O_CREAT)	912	const_iv (O_CREAT)
688	const_iv (O_TRUNC)	913	const_iv (O_TRUNC)
689	const_iv (O_EXCL)	914	const_iv (O_EXCL)
690	const_iv (O_APPEND)	915	const_iv (O_APPEND)
691	#ifndef _WIN32	916
		917	const_iv (O_ASYNC)
		918	const_iv (O_DIRECT)
		919	const_iv (O_NOATIME)
		920
		921	const_iv (O_CLOEXEC)
		922	const_iv (O_NOCTTY)
		923	const_iv (O_NOFOLLOW)
		924	const_iv (O_NONBLOCK)
		925	const_iv (O_EXEC)
		926	const_iv (O_SEARCH)
		927	const_iv (O_DIRECTORY)
		928	const_iv (O_DSYNC)
		929	const_iv (O_RSYNC)
		930	const_iv (O_SYNC)
		931	const_iv (O_TTY_INIT)
		932
692	const_iv (S_IFIFO)	933	const_iv (S_IFIFO)
693	#endif	934	const_iv (S_IFCHR)
		935	const_iv (S_IFBLK)
		936	const_iv (S_IFLNK)
		937	const_iv (S_IFREG)
		938	const_iv (S_IFDIR)
		939	const_iv (S_IFWHT)
		940	const_iv (S_IFSOCK)
		941	const_iv (S_IFMT)
		942
694	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	943	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
695	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	944	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
696	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	945	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
697	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	946	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
698	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	947	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
699	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	948	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		949
		950	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		951	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		952	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		953	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		954	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
700		955
701	const_iv (ST_RDONLY)	956	const_iv (ST_RDONLY)
702	const_iv (ST_NOSUID)	957	const_iv (ST_NOSUID)
703	const_iv (ST_NODEV)	958	const_iv (ST_NODEV)
704	const_iv (ST_NOEXEC)	959	const_iv (ST_NOEXEC)
…		…
709	const_iv (ST_IMMUTABLE)	964	const_iv (ST_IMMUTABLE)
710	const_iv (ST_NOATIME)	965	const_iv (ST_NOATIME)
711	const_iv (ST_NODIRATIME)	966	const_iv (ST_NODIRATIME)
712	const_iv (ST_RELATIME)	967	const_iv (ST_RELATIME)
713		968
		969	const_iv (PROT_NONE)
714	const_iv (PROT_EXEC)	970	const_iv (PROT_EXEC)
715	const_iv (PROT_NONE)
716	const_iv (PROT_READ)	971	const_iv (PROT_READ)
717	const_iv (PROT_WRITE)	972	const_iv (PROT_WRITE)
718		973
719	/*const_iv (MAP_FIXED)*/	974	/*const_iv (MAP_FIXED)*/
720	const_iv (MAP_PRIVATE)	975	const_iv (MAP_PRIVATE)
…		…
726	const_iv (MAP_LOCKED)	981	const_iv (MAP_LOCKED)
727	const_iv (MAP_NORESERVE)	982	const_iv (MAP_NORESERVE)
728	const_iv (MAP_POPULATE)	983	const_iv (MAP_POPULATE)
729	const_iv (MAP_NONBLOCK)	984	const_iv (MAP_NONBLOCK)
730		985
731	const_iv (MCL_FUTURE)	986	const_eio (MCL_FUTURE)
732	const_iv (MCL_CURRENT)	987	const_eio (MCL_CURRENT)
733		988
734	const_eio (MS_ASYNC)	989	const_eio (MS_ASYNC)
735	const_eio (MS_INVALIDATE)	990	const_eio (MS_INVALIDATE)
736	const_eio (MS_SYNC)	991	const_eio (MS_SYNC)
737		992
738	const_eio (MT_MODIFY)	993	const_eio (MT_MODIFY)
739		994
740	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	995	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741	const_eio (SYNC_FILE_RANGE_WRITE)	996	const_eio (SYNC_FILE_RANGE_WRITE)
742	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	997	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		998
		999	const_eio (FALLOC_FL_KEEP_SIZE)
743		1000
744	const_eio (READDIR_DENTS)	1001	const_eio (READDIR_DENTS)
745	const_eio (READDIR_DIRS_FIRST)	1002	const_eio (READDIR_DIRS_FIRST)
746	const_eio (READDIR_STAT_ORDER)	1003	const_eio (READDIR_STAT_ORDER)
747	const_eio (READDIR_FOUND_UNKNOWN)	1004	const_eio (READDIR_FOUND_UNKNOWN)
…		…
758	};	1015	};
759		1016
760	aio_stash = gv_stashpv ("IO::AIO" , 1);	1017	aio_stash = gv_stashpv ("IO::AIO" , 1);
761	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1018	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1019	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1020	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
763		1021
764	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1022	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
765	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1023	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
766		1024
767	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1025	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768		1026
769	create_respipe ();	1027	reinit ();
770
771	if (eio_init (want_poll, done_poll) < 0)
772	croak ("IO::AIO: unable to initialise eio library");
773
774	/* atfork child called in fifo order, so before eio's handler */
775	X_THREAD_ATFORK (0, 0, atfork_child);
776	}	1028	}
777		1029
778	void	1030	void
		1031	reinit ()
		1032	PROTOTYPE:
		1033
		1034	void
779	max_poll_reqs (int nreqs)	1035	max_poll_reqs (unsigned int nreqs)
780	PROTOTYPE: $	1036	PROTOTYPE: $
781	CODE:	1037	CODE:
782	eio_set_max_poll_reqs (nreqs);	1038	eio_set_max_poll_reqs (nreqs);
783		1039
784	void	1040	void
…		…
786	PROTOTYPE: $	1042	PROTOTYPE: $
787	CODE:	1043	CODE:
788	eio_set_max_poll_time (nseconds);	1044	eio_set_max_poll_time (nseconds);
789		1045
790	void	1046	void
791	min_parallel (int nthreads)	1047	min_parallel (unsigned int nthreads)
792	PROTOTYPE: $	1048	PROTOTYPE: $
793	CODE:	1049	CODE:
794	eio_set_min_parallel (nthreads);	1050	eio_set_min_parallel (nthreads);
795		1051
796	void	1052	void
797	max_parallel (int nthreads)	1053	max_parallel (unsigned int nthreads)
798	PROTOTYPE: $	1054	PROTOTYPE: $
799	CODE:	1055	CODE:
800	eio_set_max_parallel (nthreads);	1056	eio_set_max_parallel (nthreads);
801		1057
802	void	1058	void
803	max_idle (int nthreads)	1059	max_idle (unsigned int nthreads)
804	PROTOTYPE: $	1060	PROTOTYPE: $
805	CODE:	1061	CODE:
806	eio_set_max_idle (nthreads);	1062	eio_set_max_idle (nthreads);
807		1063
808	void	1064	void
		1065	idle_timeout (unsigned int seconds)
		1066	PROTOTYPE: $
		1067	CODE:
		1068	eio_set_idle_timeout (seconds);
		1069
		1070	void
809	max_outstanding (int maxreqs)	1071	max_outstanding (unsigned int maxreqs)
810	PROTOTYPE: $	1072	PROTOTYPE: $
811	CODE:	1073	CODE:
812	max_outstanding = maxreqs;	1074	max_outstanding = maxreqs;
813		1075
814	void	1076	void
		1077	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1078	PPCODE:
		1079	{
		1080	dREQ;
		1081
		1082	req->type = EIO_WD_OPEN;
		1083	req_set_path1 (req, pathname);
		1084
		1085	REQ_SEND;
		1086	}
		1087
		1088	void
815	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1089	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
816	PROTOTYPE: $$$;$
817	PPCODE:	1090	PPCODE:
818	{	1091	{
819	dREQ;	1092	dREQ;
820		1093
821	req->type = EIO_OPEN;	1094	req->type = EIO_OPEN;
822	req->sv1 = newSVsv (pathname);	1095	req_set_path1 (req, pathname);
823	req->ptr1 = SvPVbyte_nolen (req->sv1);
824	req->int1 = flags;	1096	req->int1 = flags;
825	req->int2 = mode;	1097	req->int2 = mode;
826		1098
827	REQ_SEND;	1099	REQ_SEND;
828	}	1100	}
829		1101
830	void	1102	void
831	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1103	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
832	PROTOTYPE: $;$
833	ALIAS:	1104	ALIAS:
834	aio_fsync = EIO_FSYNC	1105	aio_fsync = EIO_FSYNC
835	aio_fdatasync = EIO_FDATASYNC	1106	aio_fdatasync = EIO_FDATASYNC
		1107	aio_syncfs = EIO_SYNCFS
836	PPCODE:	1108	PPCODE:
837	{	1109	{
838	int fd = s_fileno_croak (fh, 0);	1110	int fd = s_fileno_croak (fh, 0);
839	dREQ;	1111	dREQ;
840		1112
…		…
845	REQ_SEND (req);	1117	REQ_SEND (req);
846	}	1118	}
847		1119
848	void	1120	void
849	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1121	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
850	PROTOTYPE: $$$$;$
851	PPCODE:	1122	PPCODE:
852	{	1123	{
853	int fd = s_fileno_croak (fh, 0);	1124	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1125	dREQ;
855		1126
…		…
862		1133
863	REQ_SEND (req);	1134	REQ_SEND (req);
864	}	1135	}
865		1136
866	void	1137	void
867	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1138	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
868	PROTOTYPE: $;$
869	PPCODE:	1139	PPCODE:
870	{	1140	{
871	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872	int fd = s_fileno_croak (fh, 0);	1141	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1142	dREQ;
874		1143
875	if (close_pipe < 0)	1144	req->type = EIO_FALLOCATE;
		1145	req->sv1 = newSVsv (fh);
		1146	req->int1 = fd;
		1147	req->int2 = mode;
		1148	req->offs = offset;
		1149	req->size = len;
		1150
		1151	REQ_SEND (req);
		1152	}
		1153
		1154	void
		1155	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1156	PPCODE:
		1157	{
		1158	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1159	int fd = s_fileno_croak (fh, 0);
		1160	dREQ;
		1161
		1162	if (expect_false (close_fd < 0))
876	{	1163	{
877	int pipefd [2];	1164	int pipefd [2];
878		1165
		1166	if (
		1167	#ifdef _WIN32
		1168	_pipe (pipefd, 1, _O_BINARY) < 0
		1169	#else
879	if (pipe (pipefd) < 0	1170	pipe (pipefd) < 0
880	|| close (pipefd [1]) < 0
881	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1171	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1172	#endif
		1173	|| close (pipefd [1]) < 0
		1174	)
882	abort (); /*D*/	1175	abort (); /*D*/
883		1176
884	close_pipe = pipefd [0];	1177	close_fd = pipefd [0];
885	}	1178	}
886		1179
887	req->type = EIO_DUP2;	1180	req->type = EIO_DUP2;
888	req->int1 = close_pipe;	1181	req->int1 = close_fd;
889	req->sv2 = newSVsv (fh);	1182	req->sv2 = newSVsv (fh);
890	req->int2 = fd;	1183	req->int2 = fd;
891		1184
892	REQ_SEND (req);	1185	REQ_SEND (req);
893	}	1186	}
…		…
895	void	1188	void
896	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1189	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
897	ALIAS:	1190	ALIAS:
898	aio_read = EIO_READ	1191	aio_read = EIO_READ
899	aio_write = EIO_WRITE	1192	aio_write = EIO_WRITE
900	PROTOTYPE: $$$$$;$
901	PPCODE:	1193	PPCODE:
902	{	1194	{
903	STRLEN svlen;	1195	STRLEN svlen;
904	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1196	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905	char *svptr = SvPVbyte (data, svlen);	1197	char *svptr = SvPVbyte (data, svlen);
…		…
945	REQ_SEND;	1237	REQ_SEND;
946	}	1238	}
947	}	1239	}
948		1240
949	void	1241	void
950	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1242	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
951	PROTOTYPE: $$;$	1243	ALIAS:
		1244	aio_readlink = EIO_READLINK
		1245	aio_realpath = EIO_REALPATH
952	PPCODE:	1246	PPCODE:
953	{	1247	{
954	SV *data;
955	dREQ;	1248	dREQ;
956		1249
957	req->type = EIO_READLINK;	1250	req->type = ix;
958	req->sv1 = newSVsv (path);	1251	req_set_path1 (req, pathname);
959	req->ptr1 = SvPVbyte_nolen (req->sv1);
960		1252
961	REQ_SEND;	1253	REQ_SEND;
962	}	1254	}
963		1255
964	void	1256	void
965	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1257	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
966	PROTOTYPE: $$$$;$
967	PPCODE:	1258	PPCODE:
968	{	1259	{
969	int ifd = s_fileno_croak (in_fh , 0);	1260	int ifd = s_fileno_croak (in_fh , 0);
970	int ofd = s_fileno_croak (out_fh, 1);	1261	int ofd = s_fileno_croak (out_fh, 1);
971	dREQ;	1262	dREQ;
…		…
981	REQ_SEND;	1272	REQ_SEND;
982	}	1273	}
983		1274
984	void	1275	void
985	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1276	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
986	PROTOTYPE: $$$;$
987	PPCODE:	1277	PPCODE:
988	{	1278	{
989	int fd = s_fileno_croak (fh, 0);	1279	int fd = s_fileno_croak (fh, 0);
990	dREQ;	1280	dREQ;
991		1281
…		…
1007	PPCODE:	1297	PPCODE:
1008	{	1298	{
1009	dREQ;	1299	dREQ;
1010		1300
1011	req->sv1 = newSVsv (fh_or_path);	1301	req->sv1 = newSVsv (fh_or_path);
1012		1302	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1013	if (SvPOK (req->sv1))
1014	{
1015	req->type = ix;
1016	req->ptr1 = SvPVbyte_nolen (req->sv1);
1017	}
1018	else
1019	{
1020	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1021	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1022	}
1023
1024	REQ_SEND;	1303	REQ_SEND;
1025	}	1304	}
		1305
		1306	UV
		1307	major (UV dev)
		1308	ALIAS:
		1309	minor = 1
		1310	CODE:
		1311	RETVAL = ix ? major (dev) : minor (dev);
		1312	OUTPUT:
		1313	RETVAL
		1314
		1315	UV
		1316	makedev (UV maj, UV min)
		1317	CODE:
		1318	RETVAL = makedev (maj, min);
		1319	OUTPUT:
		1320	RETVAL
1026		1321
1027	void	1322	void
1028	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1323	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1029	PPCODE:	1324	PPCODE:
1030	{	1325	{
1031	dREQ;	1326	dREQ;
1032		1327
1033	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1328	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1034	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1329	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1035	req->sv1 = newSVsv (fh_or_path);	1330	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1036
1037	if (SvPOK (req->sv1))
1038	{
1039	req->type = EIO_UTIME;
1040	req->ptr1 = SvPVbyte_nolen (req->sv1);
1041	}
1042	else
1043	{
1044	req->type = EIO_FUTIME;
1045	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1046	}
1047		1331
1048	REQ_SEND;	1332	REQ_SEND;
1049	}	1333	}
1050		1334
1051	void	1335	void
1052	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1336	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1053	PPCODE:	1337	PPCODE:
1054	{	1338	{
1055	dREQ;	1339	dREQ;
1056		1340
1057	req->sv1 = newSVsv (fh_or_path);
1058	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1341	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1059		1342	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1060	if (SvPOK (req->sv1))
1061	{
1062	req->type = EIO_TRUNCATE;
1063	req->ptr1 = SvPVbyte_nolen (req->sv1);
1064	}
1065	else
1066	{
1067	req->type = EIO_FTRUNCATE;
1068	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1069	}
1070		1343
1071	REQ_SEND;	1344	REQ_SEND;
1072	}	1345	}
1073		1346
1074	void	1347	void
1075	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1348	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1076	ALIAS:
1077	aio_chmod = EIO_CHMOD
1078	aio_mkdir = EIO_MKDIR
1079	PPCODE:	1349	PPCODE:
1080	{	1350	{
1081	dREQ;	1351	dREQ;
1082		1352
1083	req->int2 = mode;	1353	req->int2 = mode;
1084	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1085
1086	if (SvPOK (req->sv1))
1087	{
1088	req->type = ix;
1089	req->ptr1 = SvPVbyte_nolen (req->sv1);
1090	}
1091	else
1092	{
1093	req->type = EIO_FCHMOD;
1094	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095	}
1096		1355
1097	REQ_SEND;	1356	REQ_SEND;
1098	}	1357	}
1099		1358
1100	void	1359	void
…		…
1103	{	1362	{
1104	dREQ;	1363	dREQ;
1105		1364
1106	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1365	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1107	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1366	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1108	req->sv1 = newSVsv (fh_or_path);	1367	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1109
1110	if (SvPOK (req->sv1))
1111	{
1112	req->type = EIO_CHOWN;
1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
1114	}
1115	else
1116	{
1117	req->type = EIO_FCHOWN;
1118	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1119	}
1120		1368
1121	REQ_SEND;	1369	REQ_SEND;
1122	}	1370	}
1123		1371
1124	void	1372	void
…		…
1126	PPCODE:	1374	PPCODE:
1127	{	1375	{
1128	dREQ;	1376	dREQ;
1129		1377
1130	req->type = EIO_READDIR;	1378	req->type = EIO_READDIR;
1131	req->sv1 = newSVsv (pathname);
1132	req->ptr1 = SvPVbyte_nolen (req->sv1);
1133	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1379	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1134		1380
1135	if (flags & EIO_READDIR_DENTS)	1381	if (flags & EIO_READDIR_DENTS)
1136	req->int1 |= EIO_READDIR_CUSTOM2;	1382	req->int1 |= EIO_READDIR_CUSTOM2;
1137		1383
		1384	req_set_path1 (req, pathname);
		1385
1138	REQ_SEND;	1386	REQ_SEND;
		1387	}
		1388
		1389	void
		1390	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1391	PPCODE:
		1392	{
		1393	dREQ;
		1394
		1395	req->type = EIO_MKDIR;
		1396	req->int2 = mode;
		1397	req_set_path1 (req, pathname);
		1398
		1399	REQ_SEND;
1139	}	1400	}
1140		1401
1141	void	1402	void
1142	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1403	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1143	ALIAS:	1404	ALIAS:
…		…
1147	PPCODE:	1408	PPCODE:
1148	{	1409	{
1149	dREQ;	1410	dREQ;
1150		1411
1151	req->type = ix;	1412	req->type = ix;
1152	req->sv1 = newSVsv (pathname);	1413	req_set_path1 (req, pathname);
1153	req->ptr1 = SvPVbyte_nolen (req->sv1);
1154		1414
1155	REQ_SEND;	1415	REQ_SEND;
1156	}	1416	}
1157		1417
1158	void	1418	void
…		…
1162	aio_symlink = EIO_SYMLINK	1422	aio_symlink = EIO_SYMLINK
1163	aio_rename = EIO_RENAME	1423	aio_rename = EIO_RENAME
1164	PPCODE:	1424	PPCODE:
1165	{	1425	{
1166	dREQ;	1426	dREQ;
		1427	eio_wd wd2 = 0;
1167		1428
1168	req->type = ix;	1429	req->type = ix;
1169	req->sv1 = newSVsv (oldpath);	1430	req_set_path1 (req, oldpath);
1170	req->ptr1 = SvPVbyte_nolen (req->sv1);	1431	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1171	req->sv2 = newSVsv (newpath);	1432	req->int3 = (long)wd2;
1172	req->ptr2 = SvPVbyte_nolen (req->sv2);
1173		1433
1174	REQ_SEND;	1434	REQ_SEND;
1175	}	1435	}
1176		1436
1177	void	1437	void
…		…
1179	PPCODE:	1439	PPCODE:
1180	{	1440	{
1181	dREQ;	1441	dREQ;
1182		1442
1183	req->type = EIO_MKNOD;	1443	req->type = EIO_MKNOD;
1184	req->sv1 = newSVsv (pathname);
1185	req->ptr1 = SvPVbyte_nolen (req->sv1);
1186	req->int2 = (mode_t)mode;	1444	req->int2 = (mode_t)mode;
1187	req->offs = dev;	1445	req->offs = dev;
		1446	req_set_path1 (req, pathname);
1188		1447
1189	REQ_SEND;	1448	REQ_SEND;
1190	}	1449	}
1191		1450
1192	void	1451	void
1193	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1452	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1194	ALIAS:	1453	ALIAS:
1195	aio_mtouch = EIO_MTOUCH	1454	aio_mtouch = EIO_MTOUCH
1196	aio_msync = EIO_MSYNC	1455	aio_msync = EIO_MSYNC
1197	PROTOTYPE: $$$$;$
1198	PPCODE:	1456	PPCODE:
1199	{	1457	{
1200	STRLEN svlen;	1458	STRLEN svlen;
		1459	char *svptr = SvPVbyte (data, svlen);
1201	UV len = SvUV (length);	1460	UV len = SvUV (length);
1202	char *svptr = SvPVbyte (data, svlen);
1203		1461
1204	if (offset < 0)	1462	if (offset < 0)
1205	offset += svlen;	1463	offset += svlen;
1206		1464
1207	if (offset < 0 || offset > svlen)	1465	if (offset < 0 || offset > svlen)
…		…
1212		1470
1213	{	1471	{
1214	dREQ;	1472	dREQ;
1215		1473
1216	req->type = ix;	1474	req->type = ix;
1217	req->size = len;
1218	req->sv2 = SvREFCNT_inc (data);	1475	req->sv2 = SvREFCNT_inc (data);
1219	req->ptr2 = (char *)svptr + offset;	1476	req->ptr2 = (char *)svptr + offset;
		1477	req->size = len;
1220	req->int1 = flags;	1478	req->int1 = flags;
1221		1479
1222	REQ_SEND;	1480	REQ_SEND;
1223	}	1481	}
1224	}	1482	}
1225		1483
1226	void	1484	void
		1485	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1486	PPCODE:
		1487	{
		1488	STRLEN svlen;
		1489	char *svptr = SvPVbyte (data, svlen);
		1490	UV len = SvUV (length);
		1491
		1492	if (offset < 0)
		1493	offset += svlen;
		1494
		1495	if (offset < 0 || offset > svlen)
		1496	croak ("offset outside of scalar");
		1497
		1498	if (!SvOK (length) || len + offset > svlen)
		1499	len = svlen - offset;
		1500
		1501	{
		1502	dREQ;
		1503
		1504	req->type = EIO_MLOCK;
		1505	req->sv2 = SvREFCNT_inc (data);
		1506	req->ptr2 = (char *)svptr + offset;
		1507	req->size = len;
		1508
		1509	REQ_SEND;
		1510	}
		1511	}
		1512
		1513	void
		1514	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1515	PPCODE:
		1516	{
		1517	dREQ;
		1518
		1519	req->type = EIO_MLOCKALL;
		1520	req->int1 = flags;
		1521
		1522	REQ_SEND;
		1523	}
		1524
		1525	void
1227	aio_busy (double delay, SV *callback=&PL_sv_undef)	1526	aio_busy (double delay, SV *callback=&PL_sv_undef)
1228	PPCODE:	1527	PPCODE:
1229	{	1528	{
1230	dREQ;	1529	dREQ;
1231		1530
…		…
1235	REQ_SEND;	1534	REQ_SEND;
1236	}	1535	}
1237		1536
1238	void	1537	void
1239	aio_group (SV *callback=&PL_sv_undef)	1538	aio_group (SV *callback=&PL_sv_undef)
1240	PROTOTYPE: ;$
1241	PPCODE:	1539	PPCODE:
1242	{	1540	{
1243	dREQ;	1541	dREQ;
1244		1542
1245	req->type = EIO_GROUP;	1543	req->type = EIO_GROUP;
…		…
1262	REQ_SEND;	1560	REQ_SEND;
1263	}	1561	}
1264		1562
1265	int	1563	int
1266	aioreq_pri (int pri = 0)	1564	aioreq_pri (int pri = 0)
1267	PROTOTYPE: ;$
1268	CODE:	1565	CODE:
1269	RETVAL = next_pri;	1566	RETVAL = next_pri;
1270	if (items > 0)	1567	if (items > 0)
1271	{	1568	{
1272	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1569	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1284	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1581	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285	next_pri = nice;	1582	next_pri = nice;
1286		1583
1287	void	1584	void
1288	flush ()	1585	flush ()
1289	PROTOTYPE:
1290	CODE:	1586	CODE:
1291	while (eio_nreqs ())	1587	while (eio_nreqs ())
1292	{	1588	{
1293	poll_wait ();	1589	poll_wait ();
1294	poll_cb ();	1590	poll_cb ();
1295	}	1591	}
1296		1592
1297	int	1593	int
1298	poll()	1594	poll ()
1299	PROTOTYPE:
1300	CODE:	1595	CODE:
1301	poll_wait ();	1596	poll_wait ();
1302	RETVAL = poll_cb ();	1597	RETVAL = poll_cb ();
1303	OUTPUT:	1598	OUTPUT:
1304	RETVAL	1599	RETVAL
1305		1600
1306	int	1601	int
1307	poll_fileno()	1602	poll_fileno ()
1308	PROTOTYPE:
1309	CODE:	1603	CODE:
1310	RETVAL = s_epipe_fd (&respipe);	1604	RETVAL = s_epipe_fd (&respipe);
1311	OUTPUT:	1605	OUTPUT:
1312	RETVAL	1606	RETVAL
1313		1607
1314	int	1608	int
1315	poll_cb(...)	1609	poll_cb (...)
1316	PROTOTYPE:	1610	PROTOTYPE:
1317	CODE:	1611	CODE:
1318	RETVAL = poll_cb ();	1612	RETVAL = poll_cb ();
1319	OUTPUT:	1613	OUTPUT:
1320	RETVAL	1614	RETVAL
1321		1615
1322	void	1616	void
1323	poll_wait()	1617	poll_wait ()
1324	PROTOTYPE:
1325	CODE:	1618	CODE:
1326	poll_wait ();	1619	poll_wait ();
1327		1620
1328	int	1621	int
1329	nreqs()	1622	nreqs ()
1330	PROTOTYPE:
1331	CODE:	1623	CODE:
1332	RETVAL = eio_nreqs ();	1624	RETVAL = eio_nreqs ();
1333	OUTPUT:	1625	OUTPUT:
1334	RETVAL	1626	RETVAL
1335		1627
1336	int	1628	int
1337	nready()	1629	nready ()
1338	PROTOTYPE:
1339	CODE:	1630	CODE:
1340	RETVAL = eio_nready ();	1631	RETVAL = eio_nready ();
1341	OUTPUT:	1632	OUTPUT:
1342	RETVAL	1633	RETVAL
1343		1634
1344	int	1635	int
1345	npending()	1636	npending ()
1346	PROTOTYPE:
1347	CODE:	1637	CODE:
1348	RETVAL = eio_npending ();	1638	RETVAL = eio_npending ();
1349	OUTPUT:	1639	OUTPUT:
1350	RETVAL	1640	RETVAL
1351		1641
1352	int	1642	int
1353	nthreads()	1643	nthreads ()
1354	PROTOTYPE:
1355	CODE:	1644	CODE:
1356	RETVAL = eio_nthreads ();	1645	RETVAL = eio_nthreads ();
1357	OUTPUT:	1646	OUTPUT:
1358	RETVAL	1647	RETVAL
1359		1648
1360	int	1649	int
1361	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1650	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362	PROTOTYPE: $$$$
1363	CODE:	1651	CODE:
1364	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365	RETVAL = posix_fadvise (fh, offset, length, advice);	1652	RETVAL = posix_fadvise (fh, offset, length, advice);
1366	#else
1367	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368	#endif
1369	OUTPUT:	1653	OUTPUT:
1370	RETVAL	1654	RETVAL
1371		1655
1372	ssize_t	1656	IV
1373	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1657	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374	PROTOTYPE: $$$$
1375	CODE:	1658	CODE:
1376	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1659	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377	OUTPUT:	1660	OUTPUT:
1378	RETVAL	1661	RETVAL
1379		1662
1380	void	1663	void
1381	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1664	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1382	PROTOTYPE: $$$$$;$
1383	PPCODE:	1665	PPCODE:
1384	sv_unmagic (scalar, MMAP_MAGIC);	1666	sv_unmagic (scalar, MMAP_MAGIC);
1385	{	1667	{
1386	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1668	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1669	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388	if (addr == (void *)-1)	1670	if (addr == (void *)-1)
1389	XSRETURN_NO;	1671	XSRETURN_NO;
1390		1672
		1673	sv_force_normal (scalar);
		1674
1391	/* we store the length in mg_obj, as namlen is I32 :/ */	1675	/* we store the length in mg_obj, as namlen is I32 :/ */
1392	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1676	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393	->mg_obj = (SV *)length;	1677	->mg_obj = (SV *)length;
1394		1678
1395	SvUPGRADE (scalar, SVt_PV); /* nop... */	1679	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1680
1396	if (!(prot & PROT_WRITE))	1681	if (!(prot & PROT_WRITE))
1397	SvREADONLY_on (scalar);	1682	SvREADONLY_on (scalar);
		1683
		1684	if (SvLEN (scalar))
		1685	Safefree (SvPVX (scalar));
1398		1686
1399	SvPVX (scalar) = (char *)addr;	1687	SvPVX (scalar) = (char *)addr;
1400	SvCUR_set (scalar, length);	1688	SvCUR_set (scalar, length);
1401	SvLEN_set (scalar, 0);	1689	SvLEN_set (scalar, 0);
1402	SvPOK_only (scalar);	1690	SvPOK_only (scalar);
…		…
1404	XSRETURN_YES;	1692	XSRETURN_YES;
1405	}	1693	}
1406		1694
1407	void	1695	void
1408	munmap (SV *scalar)	1696	munmap (SV *scalar)
1409	PROTOTYPE: $
1410	CODE:	1697	CODE:
1411	sv_unmagic (scalar, MMAP_MAGIC);	1698	sv_unmagic (scalar, MMAP_MAGIC);
1412		1699
1413	int	1700	int
1414	mlockall (int flags)	1701	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1415	PROTOTYPE: $	1702	ALIAS:
		1703	mprotect = 1
1416	CODE:	1704	CODE:
		1705	{
		1706	STRLEN svlen;
		1707	void *addr = SvPVbyte (scalar, svlen);
		1708	size_t len = SvUV (length);
		1709
		1710	if (offset < 0)
		1711	offset += svlen;
		1712
		1713	if (offset < 0 || offset > svlen)
		1714	croak ("offset outside of scalar");
		1715
		1716	if (!SvOK (length) || len + offset > svlen)
		1717	len = svlen - offset;
		1718
		1719	addr = (void *)(((intptr_t)addr) + offset);
		1720	eio_page_align (&addr, &len);
		1721
		1722	switch (ix)
		1723	{
		1724	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1725	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1726	}
		1727	}
		1728	OUTPUT:
		1729	RETVAL
		1730
		1731	int
		1732	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1733	CODE:
		1734	{
		1735	STRLEN svlen;
		1736	void *addr = SvPVbyte (scalar, svlen);
		1737	size_t len = SvUV (length);
		1738
		1739	if (offset < 0)
		1740	offset += svlen;
		1741
		1742	if (offset < 0 || offset > svlen)
		1743	croak ("offset outside of scalar");
		1744
		1745	if (!SvOK (length) || len + offset > svlen)
		1746	len = svlen - offset;
		1747
		1748	addr = (void *)(((intptr_t)addr) + offset);
		1749	eio_page_align (&addr, &len);
1417	#if _POSIX_MEMLOCK	1750	#if _POSIX_MEMLOCK_RANGE
1418	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1751	RETVAL = munlock (addr, len);
1419	extern int mallopt (int, int);
1420	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421	#endif
1422	mlockall (flags);
1423	#else	1752	#else
1424	RETVAL = -1;	1753	RETVAL = ((errno = ENOSYS), -1);
1425	errno = ENOSYS;
1426	#endif	1754	#endif
		1755	}
1427	OUTPUT:	1756	OUTPUT:
1428	RETVAL	1757	RETVAL
1429		1758
1430	int	1759	int
1431	munlockall ()	1760	munlockall ()
1432	PROTOTYPE:
1433	CODE:	1761	CODE:
1434	#if _POSIX_MEMLOCK	1762	#if _POSIX_MEMLOCK
1435	munlockall ();	1763	munlockall ();
1436	#else	1764	#else
1437	RETVAL = -1;	1765	RETVAL = -1;
…		…
1445	SvREFCNT_dec (on_next_submit);	1773	SvREFCNT_dec (on_next_submit);
1446	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1774	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1447		1775
1448	PROTOTYPES: DISABLE	1776	PROTOTYPES: DISABLE
1449		1777
		1778	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1779
		1780	BOOT:
		1781	{
		1782	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1783	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1784	}
		1785
		1786	void
		1787	DESTROY (SV *self)
		1788	CODE:
		1789	{
		1790	aio_wd wd = SvAIO_WD (self);
		1791	#if HAVE_AT
		1792	SV *callback = &PL_sv_undef;
		1793	dREQ; /* clobbers next_pri :/ */
		1794	req->type = EIO_WD_CLOSE;
		1795	req->wd = wd;
		1796	REQ_SEND;
		1797	#else
		1798	eio_wd_close_sync (wd);
		1799	#endif
		1800	}
		1801
1450	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1802	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1451		1803
1452	void	1804	void
1453	cancel (aio_req_ornot req)	1805	cancel (aio_req_ornot req)
1454	CODE:	1806	CODE:

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