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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.203 by root, Thu Sep 29 23:06:24 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
145	#ifndef POSIX_MADV_NORMAL	197	#ifndef POSIX_MADV_NORMAL
146	# define POSIX_MADV_NORMAL 0	198	# define POSIX_MADV_NORMAL 0
147	# define NO_MADVISE 1
148	#endif	199	#endif
149	#ifndef POSIX_MADV_SEQUENTIAL	200	#ifndef POSIX_MADV_SEQUENTIAL
150	# define POSIX_MADV_SEQUENTIAL 0	201	# define POSIX_MADV_SEQUENTIAL 0
151	#endif	202	#endif
152	#ifndef POSIX_MADV_RANDOM	203	#ifndef POSIX_MADV_RANDOM
…		…
157	#endif	208	#endif
158	#ifndef POSIX_MADV_DONTNEED	209	#ifndef POSIX_MADV_DONTNEED
159	# define POSIX_MADV_DONTNEED 0	210	# define POSIX_MADV_DONTNEED 0
160	#endif	211	#endif
161		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
162	#ifndef ST_NODEV	236	#ifndef ST_NODEV
163	# define ST_NODEV 0	237	# define ST_NODEV 0
164	#endif	238	#endif
165	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
166	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
188	#endif	262	#endif
189	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
190	# define ST_RELATIME 0	264	# define ST_RELATIME 0
191	#endif	265	#endif
192		266
193	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
194	# define MCL_CURRENT 0	268	# define S_IFIFO 0
195	#endif	269	#endif
196	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
197	# 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
198	#endif	290	#endif
199		291
200	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
201	# ifdef MAP_ANON	293	# ifdef MAP_ANON
202	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
218	#endif	310	#endif
219	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
220	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
221	#endif	313	#endif
222		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
223	#ifndef PAGESIZE	325	#ifndef PAGESIZE
224	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
225	#endif	327	#endif
226
227	static int req_invoke (eio_req *req);
228	#define EIO_FINISH(req) req_invoke (req)
229	static void req_destroy (eio_req *grp);
230	#define EIO_DESTROY(req) req_destroy (req)
231		328
232	enum {	329	enum {
233	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
234	};	331	};
235		332
236	#include "libeio/eio.c"
237
238	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
239	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
240		336
241	static SV *on_next_submit;	337	static SV *on_next_submit;
242	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
243	static int max_outstanding;	339	static int max_outstanding;
244		340
245	static s_epipe respipe;	341	static s_epipe respipe;
246		342
247	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
248	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
249		345
250	static void want_poll (void)	346	static void
		347	want_poll (void)
251	{	348	{
252	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
253	s_epipe_signal (&respipe);	350	s_epipe_signal (&respipe);
254	}	351	}
255		352
256	static void done_poll (void)	353	static void
		354	done_poll (void)
257	{	355	{
258	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
259	s_epipe_drain (&respipe);	357	s_epipe_drain (&respipe);
260	}	358	}
261		359
262	/* must be called at most once */	360	/* must be called at most once */
		361	static SV *
263	static SV *req_sv (aio_req req, HV *stash)	362	req_sv (aio_req req, HV *stash)
264	{	363	{
265	if (!req->self)	364	if (!req->self)
266	{	365	{
267	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
268	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
269	}	368	}
270		369
271	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
272	}	371	}
273		372
274	static aio_req SvAIO_REQ (SV *sv)	373	static SV *
		374	newSVaio_wd (aio_wd wd)
		375	{
		376	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		377	}
		378
		379	static aio_req
		380	SvAIO_REQ (SV *sv)
275	{	381	{
276	MAGIC *mg;	382	MAGIC *mg;
277		383
278	if (!SvROK (sv)	384	if (!SvROK (sv)
279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
…		…
284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	390	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
285		391
286	return mg ? (aio_req)mg->mg_ptr : 0;	392	return mg ? (aio_req)mg->mg_ptr : 0;
287	}	393	}
288		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
289	static void aio_grp_feed (aio_req grp)	407	aio_grp_feed (aio_req grp)
290	{	408	{
291	if (grp->sv2 && SvOK (grp->sv2))	409	if (grp->sv2 && SvOK (grp->sv2))
292	{	410	{
293	dSP;	411	dSP;
294		412
…		…
302	FREETMPS;	420	FREETMPS;
303	LEAVE;	421	LEAVE;
304	}	422	}
305	}	423	}
306		424
		425	static void
307	static void req_submit (eio_req *req)	426	req_submit (eio_req *req)
308	{	427	{
309	eio_submit (req);	428	eio_submit (req);
310		429
311	if (expect_false (on_next_submit))	430	if (expect_false (on_next_submit))
312	{	431	{
…		…
319	PUTBACK;	438	PUTBACK;
320	call_sv (cb, G_DISCARD | G_EVAL);	439	call_sv (cb, G_DISCARD | G_EVAL);
321	}	440	}
322	}	441	}
323		442
		443	static int
324	static int req_invoke (eio_req *req)	444	req_invoke (eio_req *req)
325	{	445	{
326	if (req->flags & FLAG_SV2_RO_OFF)	446	if (req->flags & FLAG_SV2_RO_OFF)
327	SvREADONLY_off (req->sv2);	447	SvREADONLY_off (req->sv2);
328		448
329	if (!EIO_CANCELLED (req) && req->callback)	449	if (!EIO_CANCELLED (req) && req->callback)
…		…
340	/* do not recreate the result IV from scratch each time */	460	/* do not recreate the result IV from scratch each time */
341	if (expect_true (sv_result_cache))	461	if (expect_true (sv_result_cache))
342	{	462	{
343	sv_result = sv_result_cache; sv_result_cache = 0;	463	sv_result = sv_result_cache; sv_result_cache = 0;
344	SvIV_set (sv_result, req->result);	464	SvIV_set (sv_result, req->result);
		465	SvIOK_only (sv_result);
345	}	466	}
346	else	467	else
347	{	468	{
348	sv_result = newSViv (req->result);	469	sv_result = newSViv (req->result);
349	SvREADONLY_on (sv_result);	470	SvREADONLY_on (sv_result);
350	}	471	}
351		472
352	switch (req->type)	473	switch (req->type)
353	{	474	{
		475	case EIO_WD_OPEN:
		476	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		477	break;
		478
354	case EIO_READDIR:	479	case EIO_READDIR:
355	{	480	{
356	SV *rv = &PL_sv_undef;	481	SV *rv = &PL_sv_undef;
357		482
358	if (req->result >= 0)	483	if (req->result >= 0)
…		…
446	case EIO_STATVFS:	571	case EIO_STATVFS:
447	case EIO_FSTATVFS:	572	case EIO_FSTATVFS:
448	{	573	{
449	SV *rv = &PL_sv_undef;	574	SV *rv = &PL_sv_undef;
450		575
		576	#ifndef _WIN32
451	if (req->result >= 0)	577	if (req->result >= 0)
452	{	578	{
453	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
454	HV *hv = newHV ();	580	HV *hv = newHV ();
455		581
…		…
465	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);
466	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);
467	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);
468	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);
469	}	595	}
		596	#endif
470		597
471	PUSHs (rv);	598	PUSHs (rv);
472	}	599	}
473		600
474	break;	601	break;
…		…
490	case EIO_NOP:	617	case EIO_NOP:
491	case EIO_BUSY:	618	case EIO_BUSY:
492	break;	619	break;
493		620
494	case EIO_READLINK:	621	case EIO_READLINK:
		622	case EIO_REALPATH:
495	if (req->result > 0)	623	if (req->result > 0)
496	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	624	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497	break;	625	break;
498		626
499	case EIO_STAT:	627	case EIO_STAT:
500	case EIO_LSTAT:	628	case EIO_LSTAT:
501	case EIO_FSTAT:	629	case EIO_FSTAT:
502	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	630	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		631
503	PL_laststatval = req->result;	632	if (!(PL_laststatval = req->result))
		633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
504	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		635
505	PUSHs (sv_result);	636	PUSHs (sv_result);
506	break;	637	break;
507		638
508	case EIO_READ:	639	case EIO_READ:
509	{	640	{
…		…
513	SvSETMAGIC (req->sv2);	644	SvSETMAGIC (req->sv2);
514	PUSHs (sv_result);	645	PUSHs (sv_result);
515	}	646	}
516	break;	647	break;
517		648
518	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 */
519	if (req->result > 0)	650	if (req->result > 0)
520	SvIV_set (sv_result, 0);	651	SvIV_set (sv_result, 0);
521	/* FALLTHROUGH */	652	/* FALLTHROUGH */
522		653
523	default:	654	default:
…		…
543	}	674	}
544		675
545	return !!SvTRUE (ERRSV);	676	return !!SvTRUE (ERRSV);
546	}	677	}
547		678
		679	static void
548	static void req_destroy (aio_req req)	680	req_destroy (aio_req req)
549	{	681	{
550	if (req->self)	682	if (req->self)
551	{	683	{
552	sv_unmagic (req->self, PERL_MAGIC_ext);	684	sv_unmagic (req->self, PERL_MAGIC_ext);
553	SvREFCNT_dec (req->self);	685	SvREFCNT_dec (req->self);
554	}	686	}
555		687
556	SvREFCNT_dec (req->sv1);	688	SvREFCNT_dec (req->sv1);
557	SvREFCNT_dec (req->sv2);	689	SvREFCNT_dec (req->sv2);
		690	SvREFCNT_dec (req->sv3);
		691	SvREFCNT_dec (req->sv4);
558	SvREFCNT_dec (req->callback);	692	SvREFCNT_dec (req->callback);
559		693
560	Safefree (req);	694	Safefree (req);
561	}	695	}
562		696
		697	static void
563	static void req_cancel_subs (aio_req grp)	698	req_cancel_subs (aio_req grp)
564	{	699	{
565	aio_req sub;
566
567	if (grp->type != EIO_GROUP)	700	if (grp->type != EIO_GROUP)
568	return;	701	return;
569		702
570	SvREFCNT_dec (grp->sv2);	703	SvREFCNT_dec (grp->sv2);
571	grp->sv2 = 0;	704	grp->sv2 = 0;
572		705
573	eio_grp_cancel (grp);	706	eio_grp_cancel (grp);
574	}	707	}
575		708
576	static void	709	static void ecb_cold
577	create_respipe (void)	710	create_respipe (void)
578	{	711	{
579	if (s_epipe_renew (&respipe))	712	if (s_epipe_renew (&respipe))
580	croak ("IO::AIO: unable to initialize result pipe");	713	croak ("IO::AIO: unable to initialize result pipe");
581	}	714	}
582		715
583	static void poll_wait (void)	716	static void
		717	poll_wait (void)
584	{	718	{
585	while (eio_nreqs ())	719	while (eio_nreqs ())
586	{	720	{
587	int size;	721	int size;
588		722
…		…
597		731
598	s_epipe_wait (&respipe);	732	s_epipe_wait (&respipe);
599	}	733	}
600	}	734	}
601		735
602	static int poll_cb (void)	736	static int
		737	poll_cb (void)
603	{	738	{
604	for (;;)	739	for (;;)
605	{	740	{
606	int res = eio_poll ();	741	int res = eio_poll ();
607		742
…		…
613		748
614	poll_wait ();	749	poll_wait ();
615	}	750	}
616	}	751	}
617		752
618	static void atfork_child (void)	753	static void ecb_cold
		754	reinit (void)
619	{	755	{
620	create_respipe ();	756	create_respipe ();
		757
		758	if (eio_init (want_poll, done_poll) < 0)
		759	croak ("IO::AIO: unable to initialise eio library");
621	}	760	}
622		761
623	/*****************************************************************************/	762	/*****************************************************************************/
624		763
625	#if !_POSIX_MAPPED_FILES	764	#if !_POSIX_MAPPED_FILES
626	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
627	# define munmap(addr,length) (errno = ENOSYS, -1)	766	# define munmap(addr,length) (errno = ENOSYS, -1)
628	#endif	767	#endif
629		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
630	#define MMAP_MAGIC PERL_MAGIC_ext	778	#define MMAP_MAGIC PERL_MAGIC_ext
631		779
632	static int	780	static int ecb_cold
633	mmap_free (pTHX_ SV *sv, MAGIC *mg)	781	mmap_free (pTHX_ SV *sv, MAGIC *mg)
634	{	782	{
635	int old_errno = errno;	783	int old_errno = errno;
636	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	784	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637	errno = old_errno;	785	errno = old_errno;
…		…
661	{	809	{
662	SvGETMAGIC (cb_sv);	810	SvGETMAGIC (cb_sv);
663	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	811	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664	}	812	}
665		813
		814	static aio_req ecb_noinline
		815	dreq (SV *callback)
		816	{
		817	SV *cb_cv;
		818	aio_req req;
		819	int req_pri = next_pri;
		820	next_pri = EIO_PRI_DEFAULT;
		821
		822	cb_cv = get_cb (callback);
		823
		824	Newz (0, req, 1, eio_req);
		825	if (!req)
		826	croak ("out of memory during eio_req allocation");
		827
		828	req->callback = SvREFCNT_inc (cb_cv);
		829	req->pri = req_pri;
		830
		831	return req;
		832	}
		833
666	#define dREQ \	834	#define dREQ \
667	SV *cb_cv; \	835	aio_req req = dreq (callback); \
668	aio_req req; \
669	int req_pri = next_pri; \
670	next_pri = EIO_PRI_DEFAULT; \
671	\
672	cb_cv = get_cb (callback); \
673	\
674	Newz (0, req, 1, eio_req); \
675	if (!req) \
676	croak ("out of memory during eio_req allocation"); \
677	\
678	req->callback = SvREFCNT_inc (cb_cv); \
679	req->pri = req_pri
680		836
681	#define REQ_SEND \	837	#define REQ_SEND \
682	PUTBACK; \	838	PUTBACK; \
683	req_submit (req); \	839	req_submit (req); \
684	SPAGAIN; \	840	SPAGAIN; \
685	\	841	\
686	if (GIMME_V != G_VOID) \	842	if (GIMME_V != G_VOID) \
687	XPUSHs (req_sv (req, aio_req_stash));	843	XPUSHs (req_sv (req, aio_req_stash));
		844
		845	ecb_inline void
		846	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		847	{
		848	if (expect_false (SvROK (path)))
		849	{
		850	AV *av = (AV *)SvRV (path);
		851	SV *wdob;
		852
		853	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		854	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		855
		856	path = AvARRAY (av)[1];
		857	wdob = AvARRAY (av)[0];
		858
		859	if (SvOK (wdob))
		860	{
		861	*wd = SvAIO_WD (wdob);
		862	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		863	}
		864	else
		865	*wd = EIO_INVALID_WD;
		866	}
		867
		868	*pathsv = newSVsv (path);
		869	*ptr = SvPVbyte_nolen (*pathsv);
		870	}
		871
		872	static void ecb_noinline
		873	req_set_path1 (aio_req req, SV *path)
		874	{
		875	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		876	}
		877
		878	static void ecb_noinline
		879	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		880	{
		881	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		882
		883	switch (SvTYPE (rv))
		884	{
		885	case SVt_PVIO:
		886	case SVt_PVLV:
		887	case SVt_PVGV:
		888	req->type = type_fh;
		889	req->sv1 = newSVsv (fh_or_path);
		890	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		891	break;
		892
		893	default:
		894	req->type = type_path;
		895	req_set_path1 (req, fh_or_path);
		896	break;
		897	}
		898	}
		899
		900	XS(boot_IO__AIO) ecb_cold;
688		901
689	MODULE = IO::AIO PACKAGE = IO::AIO	902	MODULE = IO::AIO PACKAGE = IO::AIO
690		903
691	PROTOTYPES: ENABLE	904	PROTOTYPES: ENABLE
692		905
…		…
706	const_iv (O_RDWR)	919	const_iv (O_RDWR)
707	const_iv (O_CREAT)	920	const_iv (O_CREAT)
708	const_iv (O_TRUNC)	921	const_iv (O_TRUNC)
709	const_iv (O_EXCL)	922	const_iv (O_EXCL)
710	const_iv (O_APPEND)	923	const_iv (O_APPEND)
711	#ifndef _WIN32	924
		925	const_iv (O_ASYNC)
		926	const_iv (O_DIRECT)
		927	const_iv (O_NOATIME)
		928
		929	const_iv (O_CLOEXEC)
		930	const_iv (O_NOCTTY)
		931	const_iv (O_NOFOLLOW)
		932	const_iv (O_NONBLOCK)
		933	const_iv (O_EXEC)
		934	const_iv (O_SEARCH)
		935	const_iv (O_DIRECTORY)
		936	const_iv (O_DSYNC)
		937	const_iv (O_RSYNC)
		938	const_iv (O_SYNC)
		939	const_iv (O_TTY_INIT)
		940
712	const_iv (S_IFIFO)	941	const_iv (S_IFIFO)
713	#endif	942	const_iv (S_IFCHR)
		943	const_iv (S_IFBLK)
		944	const_iv (S_IFLNK)
		945	const_iv (S_IFREG)
		946	const_iv (S_IFDIR)
		947	const_iv (S_IFWHT)
		948	const_iv (S_IFSOCK)
		949	const_iv (S_IFMT)
		950
714	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	951	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
715	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	952	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
716	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	953	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
717	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	954	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
718	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	955	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
735	const_iv (ST_IMMUTABLE)	972	const_iv (ST_IMMUTABLE)
736	const_iv (ST_NOATIME)	973	const_iv (ST_NOATIME)
737	const_iv (ST_NODIRATIME)	974	const_iv (ST_NODIRATIME)
738	const_iv (ST_RELATIME)	975	const_iv (ST_RELATIME)
739		976
		977	const_iv (PROT_NONE)
740	const_iv (PROT_EXEC)	978	const_iv (PROT_EXEC)
741	const_iv (PROT_NONE)
742	const_iv (PROT_READ)	979	const_iv (PROT_READ)
743	const_iv (PROT_WRITE)	980	const_iv (PROT_WRITE)
744		981
745	/*const_iv (MAP_FIXED)*/	982	/*const_iv (MAP_FIXED)*/
746	const_iv (MAP_PRIVATE)	983	const_iv (MAP_PRIVATE)
…		…
752	const_iv (MAP_LOCKED)	989	const_iv (MAP_LOCKED)
753	const_iv (MAP_NORESERVE)	990	const_iv (MAP_NORESERVE)
754	const_iv (MAP_POPULATE)	991	const_iv (MAP_POPULATE)
755	const_iv (MAP_NONBLOCK)	992	const_iv (MAP_NONBLOCK)
756		993
757	const_iv (MCL_FUTURE)	994	const_eio (MCL_FUTURE)
758	const_iv (MCL_CURRENT)	995	const_eio (MCL_CURRENT)
759		996
760	const_eio (MS_ASYNC)	997	const_eio (MS_ASYNC)
761	const_eio (MS_INVALIDATE)	998	const_eio (MS_INVALIDATE)
762	const_eio (MS_SYNC)	999	const_eio (MS_SYNC)
763		1000
764	const_eio (MT_MODIFY)	1001	const_eio (MT_MODIFY)
765		1002
766	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1003	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767	const_eio (SYNC_FILE_RANGE_WRITE)	1004	const_eio (SYNC_FILE_RANGE_WRITE)
768	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1005	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1006
		1007	const_eio (FALLOC_FL_KEEP_SIZE)
769		1008
770	const_eio (READDIR_DENTS)	1009	const_eio (READDIR_DENTS)
771	const_eio (READDIR_DIRS_FIRST)	1010	const_eio (READDIR_DIRS_FIRST)
772	const_eio (READDIR_STAT_ORDER)	1011	const_eio (READDIR_STAT_ORDER)
773	const_eio (READDIR_FOUND_UNKNOWN)	1012	const_eio (READDIR_FOUND_UNKNOWN)
…		…
784	};	1023	};
785		1024
786	aio_stash = gv_stashpv ("IO::AIO" , 1);	1025	aio_stash = gv_stashpv ("IO::AIO" , 1);
787	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1026	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1027	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1028	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789		1029
790	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1030	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
791	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1031	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792		1032
793	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1033	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794		1034
795	create_respipe ();	1035	reinit ();
796
797	if (eio_init (want_poll, done_poll) < 0)
798	croak ("IO::AIO: unable to initialise eio library");
799
800	/* atfork child called in fifo order, so before eio's handler */
801	X_THREAD_ATFORK (0, 0, atfork_child);
802	}	1036	}
803		1037
804	void	1038	void
		1039	reinit ()
		1040	PROTOTYPE:
		1041
		1042	void
805	max_poll_reqs (int nreqs)	1043	max_poll_reqs (unsigned int nreqs)
806	PROTOTYPE: $	1044	PROTOTYPE: $
807	CODE:	1045	CODE:
808	eio_set_max_poll_reqs (nreqs);	1046	eio_set_max_poll_reqs (nreqs);
809		1047
810	void	1048	void
…		…
812	PROTOTYPE: $	1050	PROTOTYPE: $
813	CODE:	1051	CODE:
814	eio_set_max_poll_time (nseconds);	1052	eio_set_max_poll_time (nseconds);
815		1053
816	void	1054	void
817	min_parallel (int nthreads)	1055	min_parallel (unsigned int nthreads)
818	PROTOTYPE: $	1056	PROTOTYPE: $
819	CODE:	1057	CODE:
820	eio_set_min_parallel (nthreads);	1058	eio_set_min_parallel (nthreads);
821		1059
822	void	1060	void
823	max_parallel (int nthreads)	1061	max_parallel (unsigned int nthreads)
824	PROTOTYPE: $	1062	PROTOTYPE: $
825	CODE:	1063	CODE:
826	eio_set_max_parallel (nthreads);	1064	eio_set_max_parallel (nthreads);
827		1065
828	void	1066	void
829	max_idle (int nthreads)	1067	max_idle (unsigned int nthreads)
830	PROTOTYPE: $	1068	PROTOTYPE: $
831	CODE:	1069	CODE:
832	eio_set_max_idle (nthreads);	1070	eio_set_max_idle (nthreads);
833		1071
834	void	1072	void
		1073	idle_timeout (unsigned int seconds)
		1074	PROTOTYPE: $
		1075	CODE:
		1076	eio_set_idle_timeout (seconds);
		1077
		1078	void
835	max_outstanding (int maxreqs)	1079	max_outstanding (unsigned int maxreqs)
836	PROTOTYPE: $	1080	PROTOTYPE: $
837	CODE:	1081	CODE:
838	max_outstanding = maxreqs;	1082	max_outstanding = maxreqs;
839		1083
840	void	1084	void
		1085	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1086	PPCODE:
		1087	{
		1088	dREQ;
		1089
		1090	req->type = EIO_WD_OPEN;
		1091	req_set_path1 (req, pathname);
		1092
		1093	REQ_SEND;
		1094	}
		1095
		1096	void
841	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1097	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
842	PROTOTYPE: $$$;$
843	PPCODE:	1098	PPCODE:
844	{	1099	{
845	dREQ;	1100	dREQ;
846		1101
847	req->type = EIO_OPEN;	1102	req->type = EIO_OPEN;
848	req->sv1 = newSVsv (pathname);	1103	req_set_path1 (req, pathname);
849	req->ptr1 = SvPVbyte_nolen (req->sv1);
850	req->int1 = flags;	1104	req->int1 = flags;
851	req->int2 = mode;	1105	req->int2 = mode;
852		1106
853	REQ_SEND;	1107	REQ_SEND;
854	}	1108	}
855		1109
856	void	1110	void
857	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1111	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
858	PROTOTYPE: $;$
859	ALIAS:	1112	ALIAS:
860	aio_fsync = EIO_FSYNC	1113	aio_fsync = EIO_FSYNC
861	aio_fdatasync = EIO_FDATASYNC	1114	aio_fdatasync = EIO_FDATASYNC
		1115	aio_syncfs = EIO_SYNCFS
862	PPCODE:	1116	PPCODE:
863	{	1117	{
864	int fd = s_fileno_croak (fh, 0);	1118	int fd = s_fileno_croak (fh, 0);
865	dREQ;	1119	dREQ;
866		1120
…		…
871	REQ_SEND (req);	1125	REQ_SEND (req);
872	}	1126	}
873		1127
874	void	1128	void
875	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1129	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
876	PROTOTYPE: $$$$;$
877	PPCODE:	1130	PPCODE:
878	{	1131	{
879	int fd = s_fileno_croak (fh, 0);	1132	int fd = s_fileno_croak (fh, 0);
880	dREQ;	1133	dREQ;
881		1134
…		…
888		1141
889	REQ_SEND (req);	1142	REQ_SEND (req);
890	}	1143	}
891		1144
892	void	1145	void
893	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1146	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
894	PROTOTYPE: $;$
895	PPCODE:	1147	PPCODE:
896	{	1148	{
897	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898	int fd = s_fileno_croak (fh, 0);	1149	int fd = s_fileno_croak (fh, 0);
899	dREQ;	1150	dREQ;
900		1151
901	if (close_pipe < 0)	1152	req->type = EIO_FALLOCATE;
		1153	req->sv1 = newSVsv (fh);
		1154	req->int1 = fd;
		1155	req->int2 = mode;
		1156	req->offs = offset;
		1157	req->size = len;
		1158
		1159	REQ_SEND (req);
		1160	}
		1161
		1162	void
		1163	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1164	PPCODE:
		1165	{
		1166	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1167	int fd = s_fileno_croak (fh, 0);
		1168	dREQ;
		1169
		1170	if (expect_false (close_fd < 0))
902	{	1171	{
903	int pipefd [2];	1172	int pipefd [2];
904		1173
		1174	if (
		1175	#ifdef _WIN32
		1176	_pipe (pipefd, 1, _O_BINARY) < 0
		1177	#else
905	if (pipe (pipefd) < 0	1178	pipe (pipefd) < 0
906	|| close (pipefd [1]) < 0
907	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1179	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1180	#endif
		1181	|| close (pipefd [1]) < 0
		1182	)
908	abort (); /*D*/	1183	abort (); /*D*/
909		1184
910	close_pipe = pipefd [0];	1185	close_fd = pipefd [0];
911	}	1186	}
912		1187
913	req->type = EIO_DUP2;	1188	req->type = EIO_DUP2;
914	req->int1 = close_pipe;	1189	req->int1 = close_fd;
915	req->sv2 = newSVsv (fh);	1190	req->sv2 = newSVsv (fh);
916	req->int2 = fd;	1191	req->int2 = fd;
917		1192
918	REQ_SEND (req);	1193	REQ_SEND (req);
919	}	1194	}
…		…
921	void	1196	void
922	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1197	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
923	ALIAS:	1198	ALIAS:
924	aio_read = EIO_READ	1199	aio_read = EIO_READ
925	aio_write = EIO_WRITE	1200	aio_write = EIO_WRITE
926	PROTOTYPE: $$$$$;$
927	PPCODE:	1201	PPCODE:
928	{	1202	{
929	STRLEN svlen;	1203	STRLEN svlen;
930	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1204	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931	char *svptr = SvPVbyte (data, svlen);	1205	char *svptr = SvPVbyte (data, svlen);
…		…
971	REQ_SEND;	1245	REQ_SEND;
972	}	1246	}
973	}	1247	}
974		1248
975	void	1249	void
976	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1250	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
977	PROTOTYPE: $$;$	1251	ALIAS:
		1252	aio_readlink = EIO_READLINK
		1253	aio_realpath = EIO_REALPATH
978	PPCODE:	1254	PPCODE:
979	{	1255	{
980	SV *data;
981	dREQ;	1256	dREQ;
982		1257
983	req->type = EIO_READLINK;	1258	req->type = ix;
984	req->sv1 = newSVsv (path);	1259	req_set_path1 (req, pathname);
985	req->ptr1 = SvPVbyte_nolen (req->sv1);
986		1260
987	REQ_SEND;	1261	REQ_SEND;
988	}	1262	}
989		1263
990	void	1264	void
991	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1265	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
992	PROTOTYPE: $$$$;$
993	PPCODE:	1266	PPCODE:
994	{	1267	{
995	int ifd = s_fileno_croak (in_fh , 0);	1268	int ifd = s_fileno_croak (in_fh , 0);
996	int ofd = s_fileno_croak (out_fh, 1);	1269	int ofd = s_fileno_croak (out_fh, 1);
997	dREQ;	1270	dREQ;
…		…
1007	REQ_SEND;	1280	REQ_SEND;
1008	}	1281	}
1009		1282
1010	void	1283	void
1011	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1284	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1012	PROTOTYPE: $$$;$
1013	PPCODE:	1285	PPCODE:
1014	{	1286	{
1015	int fd = s_fileno_croak (fh, 0);	1287	int fd = s_fileno_croak (fh, 0);
1016	dREQ;	1288	dREQ;
1017		1289
…		…
1032	aio_statvfs = EIO_STATVFS	1304	aio_statvfs = EIO_STATVFS
1033	PPCODE:	1305	PPCODE:
1034	{	1306	{
1035	dREQ;	1307	dREQ;
1036		1308
1037	req->sv1 = newSVsv (fh_or_path);	1309	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1038
1039	if (SvPOK (req->sv1))
1040	{
1041	req->type = ix;
1042	req->ptr1 = SvPVbyte_nolen (req->sv1);
1043	}
1044	else
1045	{
1046	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1047	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1048	}
1049		1310
1050	REQ_SEND;	1311	REQ_SEND;
1051	}	1312	}
		1313
		1314	UV
		1315	major (UV dev)
		1316	ALIAS:
		1317	minor = 1
		1318	CODE:
		1319	RETVAL = ix ? major (dev) : minor (dev);
		1320	OUTPUT:
		1321	RETVAL
		1322
		1323	UV
		1324	makedev (UV maj, UV min)
		1325	CODE:
		1326	RETVAL = makedev (maj, min);
		1327	OUTPUT:
		1328	RETVAL
1052		1329
1053	void	1330	void
1054	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1331	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1055	PPCODE:	1332	PPCODE:
1056	{	1333	{
1057	dREQ;	1334	dREQ;
1058		1335
1059	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1336	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1337	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061	req->sv1 = newSVsv (fh_or_path);	1338	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1062
1063	if (SvPOK (req->sv1))
1064	{
1065	req->type = EIO_UTIME;
1066	req->ptr1 = SvPVbyte_nolen (req->sv1);
1067	}
1068	else
1069	{
1070	req->type = EIO_FUTIME;
1071	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072	}
1073		1339
1074	REQ_SEND;	1340	REQ_SEND;
1075	}	1341	}
1076		1342
1077	void	1343	void
1078	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1344	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1079	PPCODE:	1345	PPCODE:
1080	{	1346	{
1081	dREQ;	1347	dREQ;
1082		1348
1083	req->sv1 = newSVsv (fh_or_path);
1084	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1349	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085		1350	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1086	if (SvPOK (req->sv1))
1087	{
1088	req->type = EIO_TRUNCATE;
1089	req->ptr1 = SvPVbyte_nolen (req->sv1);
1090	}
1091	else
1092	{
1093	req->type = EIO_FTRUNCATE;
1094	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095	}
1096		1351
1097	REQ_SEND;	1352	REQ_SEND;
1098	}	1353	}
1099		1354
1100	void	1355	void
1101	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1356	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1102	ALIAS:
1103	aio_chmod = EIO_CHMOD
1104	aio_mkdir = EIO_MKDIR
1105	PPCODE:	1357	PPCODE:
1106	{	1358	{
1107	dREQ;	1359	dREQ;
1108		1360
1109	req->int2 = mode;	1361	req->int2 = mode;
1110	req->sv1 = newSVsv (fh_or_path);	1362	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1111
1112	if (SvPOK (req->sv1))
1113	{
1114	req->type = ix;
1115	req->ptr1 = SvPVbyte_nolen (req->sv1);
1116	}
1117	else
1118	{
1119	req->type = EIO_FCHMOD;
1120	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1121	}
1122		1363
1123	REQ_SEND;	1364	REQ_SEND;
1124	}	1365	}
1125		1366
1126	void	1367	void
…		…
1129	{	1370	{
1130	dREQ;	1371	dREQ;
1131		1372
1132	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1373	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1374	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134	req->sv1 = newSVsv (fh_or_path);	1375	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1135
1136	if (SvPOK (req->sv1))
1137	{
1138	req->type = EIO_CHOWN;
1139	req->ptr1 = SvPVbyte_nolen (req->sv1);
1140	}
1141	else
1142	{
1143	req->type = EIO_FCHOWN;
1144	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1145	}
1146		1376
1147	REQ_SEND;	1377	REQ_SEND;
1148	}	1378	}
1149		1379
1150	void	1380	void
…		…
1152	PPCODE:	1382	PPCODE:
1153	{	1383	{
1154	dREQ;	1384	dREQ;
1155		1385
1156	req->type = EIO_READDIR;	1386	req->type = EIO_READDIR;
1157	req->sv1 = newSVsv (pathname);
1158	req->ptr1 = SvPVbyte_nolen (req->sv1);
1159	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1387	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160		1388
1161	if (flags & EIO_READDIR_DENTS)	1389	if (flags & EIO_READDIR_DENTS)
1162	req->int1 |= EIO_READDIR_CUSTOM2;	1390	req->int1 |= EIO_READDIR_CUSTOM2;
1163		1391
		1392	req_set_path1 (req, pathname);
		1393
1164	REQ_SEND;	1394	REQ_SEND;
		1395	}
		1396
		1397	void
		1398	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1399	PPCODE:
		1400	{
		1401	dREQ;
		1402
		1403	req->type = EIO_MKDIR;
		1404	req->int2 = mode;
		1405	req_set_path1 (req, pathname);
		1406
		1407	REQ_SEND;
1165	}	1408	}
1166		1409
1167	void	1410	void
1168	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1411	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1169	ALIAS:	1412	ALIAS:
…		…
1173	PPCODE:	1416	PPCODE:
1174	{	1417	{
1175	dREQ;	1418	dREQ;
1176		1419
1177	req->type = ix;	1420	req->type = ix;
1178	req->sv1 = newSVsv (pathname);	1421	req_set_path1 (req, pathname);
1179	req->ptr1 = SvPVbyte_nolen (req->sv1);
1180		1422
1181	REQ_SEND;	1423	REQ_SEND;
1182	}	1424	}
1183		1425
1184	void	1426	void
…		…
1188	aio_symlink = EIO_SYMLINK	1430	aio_symlink = EIO_SYMLINK
1189	aio_rename = EIO_RENAME	1431	aio_rename = EIO_RENAME
1190	PPCODE:	1432	PPCODE:
1191	{	1433	{
1192	dREQ;	1434	dREQ;
		1435	eio_wd wd2 = 0;
1193		1436
1194	req->type = ix;	1437	req->type = ix;
1195	req->sv1 = newSVsv (oldpath);	1438	req_set_path1 (req, oldpath);
1196	req->ptr1 = SvPVbyte_nolen (req->sv1);	1439	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197	req->sv2 = newSVsv (newpath);	1440	req->int3 = (long)wd2;
1198	req->ptr2 = SvPVbyte_nolen (req->sv2);
1199		1441
1200	REQ_SEND;	1442	REQ_SEND;
1201	}	1443	}
1202		1444
1203	void	1445	void
…		…
1205	PPCODE:	1447	PPCODE:
1206	{	1448	{
1207	dREQ;	1449	dREQ;
1208		1450
1209	req->type = EIO_MKNOD;	1451	req->type = EIO_MKNOD;
1210	req->sv1 = newSVsv (pathname);
1211	req->ptr1 = SvPVbyte_nolen (req->sv1);
1212	req->int2 = (mode_t)mode;	1452	req->int2 = (mode_t)mode;
1213	req->offs = dev;	1453	req->offs = dev;
		1454	req_set_path1 (req, pathname);
1214		1455
1215	REQ_SEND;	1456	REQ_SEND;
1216	}	1457	}
1217		1458
1218	void	1459	void
1219	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1460	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1220	ALIAS:	1461	ALIAS:
1221	aio_mtouch = EIO_MTOUCH	1462	aio_mtouch = EIO_MTOUCH
1222	aio_msync = EIO_MSYNC	1463	aio_msync = EIO_MSYNC
1223	PROTOTYPE: $$$$;$
1224	PPCODE:	1464	PPCODE:
1225	{	1465	{
1226	STRLEN svlen;	1466	STRLEN svlen;
		1467	char *svptr = SvPVbyte (data, svlen);
1227	UV len = SvUV (length);	1468	UV len = SvUV (length);
1228	char *svptr = SvPVbyte (data, svlen);
1229		1469
1230	if (offset < 0)	1470	if (offset < 0)
1231	offset += svlen;	1471	offset += svlen;
1232		1472
1233	if (offset < 0 || offset > svlen)	1473	if (offset < 0 || offset > svlen)
…		…
1238		1478
1239	{	1479	{
1240	dREQ;	1480	dREQ;
1241		1481
1242	req->type = ix;	1482	req->type = ix;
1243	req->size = len;
1244	req->sv2 = SvREFCNT_inc (data);	1483	req->sv2 = SvREFCNT_inc (data);
1245	req->ptr2 = (char *)svptr + offset;	1484	req->ptr2 = (char *)svptr + offset;
		1485	req->size = len;
1246	req->int1 = flags;	1486	req->int1 = flags;
1247		1487
1248	REQ_SEND;	1488	REQ_SEND;
1249	}	1489	}
1250	}	1490	}
1251		1491
1252	void	1492	void
		1493	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1494	PPCODE:
		1495	{
		1496	STRLEN svlen;
		1497	char *svptr = SvPVbyte (data, svlen);
		1498	UV len = SvUV (length);
		1499
		1500	if (offset < 0)
		1501	offset += svlen;
		1502
		1503	if (offset < 0 || offset > svlen)
		1504	croak ("offset outside of scalar");
		1505
		1506	if (!SvOK (length) || len + offset > svlen)
		1507	len = svlen - offset;
		1508
		1509	{
		1510	dREQ;
		1511
		1512	req->type = EIO_MLOCK;
		1513	req->sv2 = SvREFCNT_inc (data);
		1514	req->ptr2 = (char *)svptr + offset;
		1515	req->size = len;
		1516
		1517	REQ_SEND;
		1518	}
		1519	}
		1520
		1521	void
		1522	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1523	PPCODE:
		1524	{
		1525	dREQ;
		1526
		1527	req->type = EIO_MLOCKALL;
		1528	req->int1 = flags;
		1529
		1530	REQ_SEND;
		1531	}
		1532
		1533	void
1253	aio_busy (double delay, SV *callback=&PL_sv_undef)	1534	aio_busy (double delay, SV *callback=&PL_sv_undef)
1254	PPCODE:	1535	PPCODE:
1255	{	1536	{
1256	dREQ;	1537	dREQ;
1257		1538
…		…
1261	REQ_SEND;	1542	REQ_SEND;
1262	}	1543	}
1263		1544
1264	void	1545	void
1265	aio_group (SV *callback=&PL_sv_undef)	1546	aio_group (SV *callback=&PL_sv_undef)
1266	PROTOTYPE: ;$
1267	PPCODE:	1547	PPCODE:
1268	{	1548	{
1269	dREQ;	1549	dREQ;
1270		1550
1271	req->type = EIO_GROUP;	1551	req->type = EIO_GROUP;
…		…
1288	REQ_SEND;	1568	REQ_SEND;
1289	}	1569	}
1290		1570
1291	int	1571	int
1292	aioreq_pri (int pri = 0)	1572	aioreq_pri (int pri = 0)
1293	PROTOTYPE: ;$
1294	CODE:	1573	CODE:
1295	RETVAL = next_pri;	1574	RETVAL = next_pri;
1296	if (items > 0)	1575	if (items > 0)
1297	{	1576	{
1298	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1577	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1310	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1589	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311	next_pri = nice;	1590	next_pri = nice;
1312		1591
1313	void	1592	void
1314	flush ()	1593	flush ()
1315	PROTOTYPE:
1316	CODE:	1594	CODE:
1317	while (eio_nreqs ())	1595	while (eio_nreqs ())
1318	{	1596	{
1319	poll_wait ();	1597	poll_wait ();
1320	poll_cb ();	1598	poll_cb ();
1321	}	1599	}
1322		1600
1323	int	1601	int
1324	poll()	1602	poll ()
1325	PROTOTYPE:
1326	CODE:	1603	CODE:
1327	poll_wait ();	1604	poll_wait ();
1328	RETVAL = poll_cb ();	1605	RETVAL = poll_cb ();
1329	OUTPUT:	1606	OUTPUT:
1330	RETVAL	1607	RETVAL
1331		1608
1332	int	1609	int
1333	poll_fileno()	1610	poll_fileno ()
1334	PROTOTYPE:
1335	CODE:	1611	CODE:
1336	RETVAL = s_epipe_fd (&respipe);	1612	RETVAL = s_epipe_fd (&respipe);
1337	OUTPUT:	1613	OUTPUT:
1338	RETVAL	1614	RETVAL
1339		1615
1340	int	1616	int
1341	poll_cb(...)	1617	poll_cb (...)
1342	PROTOTYPE:	1618	PROTOTYPE:
1343	CODE:	1619	CODE:
1344	RETVAL = poll_cb ();	1620	RETVAL = poll_cb ();
1345	OUTPUT:	1621	OUTPUT:
1346	RETVAL	1622	RETVAL
1347		1623
1348	void	1624	void
1349	poll_wait()	1625	poll_wait ()
1350	PROTOTYPE:
1351	CODE:	1626	CODE:
1352	poll_wait ();	1627	poll_wait ();
1353		1628
1354	int	1629	int
1355	nreqs()	1630	nreqs ()
1356	PROTOTYPE:
1357	CODE:	1631	CODE:
1358	RETVAL = eio_nreqs ();	1632	RETVAL = eio_nreqs ();
1359	OUTPUT:	1633	OUTPUT:
1360	RETVAL	1634	RETVAL
1361		1635
1362	int	1636	int
1363	nready()	1637	nready ()
1364	PROTOTYPE:
1365	CODE:	1638	CODE:
1366	RETVAL = eio_nready ();	1639	RETVAL = eio_nready ();
1367	OUTPUT:	1640	OUTPUT:
1368	RETVAL	1641	RETVAL
1369		1642
1370	int	1643	int
1371	npending()	1644	npending ()
1372	PROTOTYPE:
1373	CODE:	1645	CODE:
1374	RETVAL = eio_npending ();	1646	RETVAL = eio_npending ();
1375	OUTPUT:	1647	OUTPUT:
1376	RETVAL	1648	RETVAL
1377		1649
1378	int	1650	int
1379	nthreads()	1651	nthreads ()
1380	PROTOTYPE:
1381	CODE:	1652	CODE:
1382	RETVAL = eio_nthreads ();	1653	RETVAL = eio_nthreads ();
1383	OUTPUT:	1654	OUTPUT:
1384	RETVAL	1655	RETVAL
1385		1656
1386	int	1657	int
1387	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1658	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388	PROTOTYPE: $$$$
1389	CODE:	1659	CODE:
1390	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391	RETVAL = posix_fadvise (fh, offset, length, advice);	1660	RETVAL = posix_fadvise (fh, offset, length, advice);
1392	#else
1393	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394	#endif
1395	OUTPUT:	1661	OUTPUT:
1396	RETVAL	1662	RETVAL
1397		1663
1398	ssize_t	1664	IV
1399	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1665	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400	PROTOTYPE: $$$$
1401	CODE:	1666	CODE:
1402	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1667	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403	OUTPUT:	1668	OUTPUT:
1404	RETVAL	1669	RETVAL
1405		1670
1406	void	1671	void
1407	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1672	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1408	PROTOTYPE: $$$$$;$
1409	PPCODE:	1673	PPCODE:
1410	sv_unmagic (scalar, MMAP_MAGIC);	1674	sv_unmagic (scalar, MMAP_MAGIC);
1411	{	1675	{
1412	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1676	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1677	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1436	XSRETURN_YES;	1700	XSRETURN_YES;
1437	}	1701	}
1438		1702
1439	void	1703	void
1440	munmap (SV *scalar)	1704	munmap (SV *scalar)
1441	PROTOTYPE: $
1442	CODE:	1705	CODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	1706	sv_unmagic (scalar, MMAP_MAGIC);
1444		1707
1445	int	1708	int
1446	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1709	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447	PROTOTYPE: $$$$	1710	ALIAS:
		1711	mprotect = 1
1448	CODE:	1712	CODE:
1449	{	1713	{
1450	char *addr = SvPV_nolen (scalar) + offset;	1714	STRLEN svlen;
		1715	void *addr = SvPVbyte (scalar, svlen);
		1716	size_t len = SvUV (length);
1451		1717
1452	if (!SvOK (ST (2)))	1718	if (offset < 0)
		1719	offset += svlen;
		1720
		1721	if (offset < 0 || offset > svlen)
		1722	croak ("offset outside of scalar");
		1723
		1724	if (!SvOK (length) || len + offset > svlen)
1453	length = SvCUR (scalar) - offset;	1725	len = svlen - offset;
1454		1726
1455	if (addr >= SvEND (scalar) || length <= 0)	1727	addr = (void *)(((intptr_t)addr) + offset);
1456	XSRETURN_EMPTY;	1728	eio_page_align (&addr, &len);
1457		1729
1458	#if _XOPEN_SOURCE >= 600 && !NO_MADVISE	1730	switch (ix)
		1731	{
1459	RETVAL = posix_madvise (addr, length, advice);	1732	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460	#else	1733	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461	RETVAL = errno = ENOSYS; /* yes, this is actually correct */	1734	}
1462	#endif
1463	}	1735	}
1464	OUTPUT:	1736	OUTPUT:
1465	RETVAL	1737	RETVAL
1466		1738
1467	int	1739	int
1468	mlockall (int flags)	1740	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1741	CODE:
		1742	{
		1743	STRLEN svlen;
		1744	void *addr = SvPVbyte (scalar, svlen);
		1745	size_t len = SvUV (length);
		1746
		1747	if (offset < 0)
		1748	offset += svlen;
		1749
		1750	if (offset < 0 || offset > svlen)
		1751	croak ("offset outside of scalar");
		1752
		1753	if (!SvOK (length) || len + offset > svlen)
		1754	len = svlen - offset;
		1755
		1756	addr = (void *)(((intptr_t)addr) + offset);
		1757	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1758	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1759	RETVAL = munlock (addr, len);
1473	extern int mallopt (int, int);
1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475	#endif
1476	mlockall (flags);
1477	#else	1760	#else
1478	RETVAL = -1;	1761	RETVAL = ((errno = ENOSYS), -1);
1479	errno = ENOSYS;
1480	#endif	1762	#endif
		1763	}
1481	OUTPUT:	1764	OUTPUT:
1482	RETVAL	1765	RETVAL
1483		1766
1484	int	1767	int
1485	munlockall ()	1768	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1769	CODE:
1488	#if _POSIX_MEMLOCK	1770	#if _POSIX_MEMLOCK
1489	munlockall ();	1771	munlockall ();
1490	#else	1772	#else
1491	RETVAL = -1;	1773	RETVAL = -1;
…		…
1499	SvREFCNT_dec (on_next_submit);	1781	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1782	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		1783
1502	PROTOTYPES: DISABLE	1784	PROTOTYPES: DISABLE
1503		1785
		1786	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1787
		1788	BOOT:
		1789	{
		1790	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1791	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1792	}
		1793
		1794	void
		1795	DESTROY (SV *self)
		1796	CODE:
		1797	{
		1798	aio_wd wd = SvAIO_WD (self);
		1799	#if HAVE_AT
		1800	{
		1801	SV *callback = &PL_sv_undef;
		1802	dREQ; /* clobbers next_pri :/ */
		1803	next_pri = req->pri; /* restore next_pri */
		1804	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1805	req->type = EIO_WD_CLOSE;
		1806	req->wd = wd;
		1807	REQ_SEND;
		1808	}
		1809	#else
		1810	eio_wd_close_sync (wd);
		1811	#endif
		1812	}
		1813
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1814	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		1815
1506	void	1816	void
1507	cancel (aio_req_ornot req)	1817	cancel (aio_req_ornot req)
1508	CODE:	1818	CODE:

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