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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.207 by root, Fri Dec 30 07:40:54 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
145	#if _XOPEN_SOURCE < 600 || NO_FADVISE	193	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	195	#endif
148		196
149	#ifndef POSIX_MADV_NORMAL	197	#ifndef POSIX_MADV_NORMAL
150	# define POSIX_MADV_NORMAL 0	198	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif	199	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL	200	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0	201	# define POSIX_MADV_SEQUENTIAL 0
155	#endif	202	#endif
156	#ifndef POSIX_MADV_RANDOM	203	#ifndef POSIX_MADV_RANDOM
…		…
161	#endif	208	#endif
162	#ifndef POSIX_MADV_DONTNEED	209	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0	210	# define POSIX_MADV_DONTNEED 0
164	#endif	211	#endif
165		212
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE	213	#if !HAVE_POSIX_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif	215	#endif
169		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
170	#ifndef ST_NODEV	236	#ifndef ST_NODEV
171	# define ST_NODEV 0	237	# define ST_NODEV 0
172	#endif	238	#endif
173	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
174	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
196	#endif	262	#endif
197	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
198	# define ST_RELATIME 0	264	# define ST_RELATIME 0
199	#endif	265	#endif
200		266
201	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
202	# define MCL_CURRENT 0	268	# define S_IFIFO 0
203	#endif	269	#endif
204	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
205	# 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
206	#endif	290	#endif
207		291
208	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
209	# ifdef MAP_ANON	293	# ifdef MAP_ANON
210	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
226	#endif	310	#endif
227	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
228	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
229	#endif	313	#endif
230		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
231	#ifndef PAGESIZE	325	#ifndef PAGESIZE
232	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
233	#endif	327	#endif
234
235	static int req_invoke (eio_req *req);
236	#define EIO_FINISH(req) req_invoke (req)
237	static void req_destroy (eio_req *grp);
238	#define EIO_DESTROY(req) req_destroy (req)
239		328
240	enum {	329	enum {
241	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242	};	331	};
243		332
244	#include "libeio/eio.c"
245
246	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
247	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
248		336
249	static SV *on_next_submit;	337	static SV *on_next_submit;
250	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
251	static int max_outstanding;	339	static int max_outstanding;
252		340
253	static s_epipe respipe;	341	static s_epipe respipe;
254		342
255	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
256	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
257		345
258	static void want_poll (void)	346	static void
		347	want_poll (void)
259	{	348	{
260	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
261	s_epipe_signal (&respipe);	350	s_epipe_signal (&respipe);
262	}	351	}
263		352
264	static void done_poll (void)	353	static void
		354	done_poll (void)
265	{	355	{
266	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
267	s_epipe_drain (&respipe);	357	s_epipe_drain (&respipe);
268	}	358	}
269		359
270	/* must be called at most once */	360	/* must be called at most once */
		361	static SV *
271	static SV *req_sv (aio_req req, HV *stash)	362	req_sv (aio_req req, HV *stash)
272	{	363	{
273	if (!req->self)	364	if (!req->self)
274	{	365	{
275	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
276	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277	}	368	}
278		369
279	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280	}	371	}
281		372
282	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)
283	{	381	{
284	MAGIC *mg;	382	MAGIC *mg;
285		383
286	if (!SvROK (sv)	384	if (!SvROK (sv)
		385	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	386	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
288	&& SvSTASH (SvRV (sv)) != aio_req_stash	387	&& SvSTASH (SvRV (sv)) != aio_req_stash
289	&& !sv_derived_from (sv, "IO::AIO::REQ")))	388	&& !sv_derived_from (sv, "IO::AIO::REQ")))
290	croak ("object of class IO::AIO::REQ expected");	389	croak ("object of class IO::AIO::REQ expected");
291		390
292	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	391	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293		392
294	return mg ? (aio_req)mg->mg_ptr : 0;	393	return mg ? (aio_req)mg->mg_ptr : 0;
295	}	394	}
296		395
		396	static aio_wd
		397	SvAIO_WD (SV *sv)
		398	{
		399	if (!SvROK (sv)
		400	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		401	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		402	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		403
		404	return (aio_wd)(long)SvIVX (SvRV (sv));
		405	}
		406
		407	static void
297	static void aio_grp_feed (aio_req grp)	408	aio_grp_feed (aio_req grp)
298	{	409	{
299	if (grp->sv2 && SvOK (grp->sv2))	410	if (grp->sv2 && SvOK (grp->sv2))
300	{	411	{
301	dSP;	412	dSP;
302		413
…		…
310	FREETMPS;	421	FREETMPS;
311	LEAVE;	422	LEAVE;
312	}	423	}
313	}	424	}
314		425
		426	static void
315	static void req_submit (eio_req *req)	427	req_submit (eio_req *req)
316	{	428	{
317	eio_submit (req);	429	eio_submit (req);
318		430
319	if (expect_false (on_next_submit))	431	if (expect_false (on_next_submit))
320	{	432	{
…		…
327	PUTBACK;	439	PUTBACK;
328	call_sv (cb, G_DISCARD | G_EVAL);	440	call_sv (cb, G_DISCARD | G_EVAL);
329	}	441	}
330	}	442	}
331		443
		444	static int
332	static int req_invoke (eio_req *req)	445	req_invoke (eio_req *req)
333	{	446	{
334	if (req->flags & FLAG_SV2_RO_OFF)	447	if (req->flags & FLAG_SV2_RO_OFF)
335	SvREADONLY_off (req->sv2);	448	SvREADONLY_off (req->sv2);
336		449
337	if (!EIO_CANCELLED (req) && req->callback)	450	if (!EIO_CANCELLED (req) && req->callback)
…		…
348	/* do not recreate the result IV from scratch each time */	461	/* do not recreate the result IV from scratch each time */
349	if (expect_true (sv_result_cache))	462	if (expect_true (sv_result_cache))
350	{	463	{
351	sv_result = sv_result_cache; sv_result_cache = 0;	464	sv_result = sv_result_cache; sv_result_cache = 0;
352	SvIV_set (sv_result, req->result);	465	SvIV_set (sv_result, req->result);
		466	SvIOK_only (sv_result);
353	}	467	}
354	else	468	else
355	{	469	{
356	sv_result = newSViv (req->result);	470	sv_result = newSViv (req->result);
357	SvREADONLY_on (sv_result);	471	SvREADONLY_on (sv_result);
358	}	472	}
359		473
360	switch (req->type)	474	switch (req->type)
361	{	475	{
		476	case EIO_WD_OPEN:
		477	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		478	break;
		479
362	case EIO_READDIR:	480	case EIO_READDIR:
363	{	481	{
364	SV *rv = &PL_sv_undef;	482	SV *rv = &PL_sv_undef;
365		483
366	if (req->result >= 0)	484	if (req->result >= 0)
…		…
454	case EIO_STATVFS:	572	case EIO_STATVFS:
455	case EIO_FSTATVFS:	573	case EIO_FSTATVFS:
456	{	574	{
457	SV *rv = &PL_sv_undef;	575	SV *rv = &PL_sv_undef;
458		576
		577	#ifndef _WIN32
459	if (req->result >= 0)	578	if (req->result >= 0)
460	{	579	{
461	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	580	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462	HV *hv = newHV ();	581	HV *hv = newHV ();
463		582
…		…
473	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	592	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	593	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
475	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	594	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	595	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477	}	596	}
		597	#endif
478		598
479	PUSHs (rv);	599	PUSHs (rv);
480	}	600	}
481		601
482	break;	602	break;
…		…
498	case EIO_NOP:	618	case EIO_NOP:
499	case EIO_BUSY:	619	case EIO_BUSY:
500	break;	620	break;
501		621
502	case EIO_READLINK:	622	case EIO_READLINK:
		623	case EIO_REALPATH:
503	if (req->result > 0)	624	if (req->result > 0)
504	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	625	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505	break;	626	break;
506		627
507	case EIO_STAT:	628	case EIO_STAT:
508	case EIO_LSTAT:	629	case EIO_LSTAT:
509	case EIO_FSTAT:	630	case EIO_FSTAT:
510	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	631	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		632
511	PL_laststatval = req->result;	633	if (!(PL_laststatval = req->result))
		634	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
512	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	635	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		636
513	PUSHs (sv_result);	637	PUSHs (sv_result);
514	break;	638	break;
515		639
516	case EIO_READ:	640	case EIO_READ:
517	{	641	{
…		…
521	SvSETMAGIC (req->sv2);	645	SvSETMAGIC (req->sv2);
522	PUSHs (sv_result);	646	PUSHs (sv_result);
523	}	647	}
524	break;	648	break;
525		649
526	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	650	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527	if (req->result > 0)	651	if (req->result > 0)
528	SvIV_set (sv_result, 0);	652	SvIV_set (sv_result, 0);
529	/* FALLTHROUGH */	653	/* FALLTHROUGH */
530		654
531	default:	655	default:
…		…
551	}	675	}
552		676
553	return !!SvTRUE (ERRSV);	677	return !!SvTRUE (ERRSV);
554	}	678	}
555		679
		680	static void
556	static void req_destroy (aio_req req)	681	req_destroy (aio_req req)
557	{	682	{
558	if (req->self)	683	if (req->self)
559	{	684	{
560	sv_unmagic (req->self, PERL_MAGIC_ext);	685	sv_unmagic (req->self, PERL_MAGIC_ext);
561	SvREFCNT_dec (req->self);	686	SvREFCNT_dec (req->self);
562	}	687	}
563		688
564	SvREFCNT_dec (req->sv1);	689	SvREFCNT_dec (req->sv1);
565	SvREFCNT_dec (req->sv2);	690	SvREFCNT_dec (req->sv2);
		691	SvREFCNT_dec (req->sv3);
		692	SvREFCNT_dec (req->sv4);
566	SvREFCNT_dec (req->callback);	693	SvREFCNT_dec (req->callback);
567		694
568	Safefree (req);	695	free (req);
569	}	696	}
570		697
		698	static void
571	static void req_cancel_subs (aio_req grp)	699	req_cancel_subs (aio_req grp)
572	{	700	{
573	aio_req sub;
574
575	if (grp->type != EIO_GROUP)	701	if (grp->type != EIO_GROUP)
576	return;	702	return;
577		703
578	SvREFCNT_dec (grp->sv2);	704	SvREFCNT_dec (grp->sv2);
579	grp->sv2 = 0;	705	grp->sv2 = 0;
580		706
581	eio_grp_cancel (grp);	707	eio_grp_cancel (grp);
582	}	708	}
583		709
584	static void	710	static void ecb_cold
585	create_respipe (void)	711	create_respipe (void)
586	{	712	{
587	if (s_epipe_renew (&respipe))	713	if (s_epipe_renew (&respipe))
588	croak ("IO::AIO: unable to initialize result pipe");	714	croak ("IO::AIO: unable to initialize result pipe");
589	}	715	}
590		716
591	static void poll_wait (void)	717	static void
		718	poll_wait (void)
592	{	719	{
593	while (eio_nreqs ())	720	while (eio_nreqs ())
594	{	721	{
595	int size;	722	int size;
596		723
…		…
605		732
606	s_epipe_wait (&respipe);	733	s_epipe_wait (&respipe);
607	}	734	}
608	}	735	}
609		736
610	static int poll_cb (void)	737	static int
		738	poll_cb (void)
611	{	739	{
612	for (;;)	740	for (;;)
613	{	741	{
614	int res = eio_poll ();	742	int res = eio_poll ();
615		743
…		…
621		749
622	poll_wait ();	750	poll_wait ();
623	}	751	}
624	}	752	}
625		753
626	static void atfork_child (void)	754	static void ecb_cold
		755	reinit (void)
627	{	756	{
628	create_respipe ();	757	create_respipe ();
		758
		759	if (eio_init (want_poll, done_poll) < 0)
		760	croak ("IO::AIO: unable to initialise eio library");
629	}	761	}
630		762
631	/*****************************************************************************/	763	/*****************************************************************************/
632		764
633	#if !_POSIX_MAPPED_FILES	765	#if !_POSIX_MAPPED_FILES
634	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	766	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635	# define munmap(addr,length) (errno = ENOSYS, -1)	767	# define munmap(addr,length) (errno = ENOSYS, -1)
636	#endif	768	#endif
637		769
		770	#if !_POSIX_MEMORY_PROTECTION
		771	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		772	# define PROT_NONE 0
		773	# define PROT_WRITE 0
		774	# define MAP_PRIVATE 0
		775	# define MAP_SHARED 0
		776	# define MAP_FIXED 0
		777	#endif
		778
638	#define MMAP_MAGIC PERL_MAGIC_ext	779	#define MMAP_MAGIC PERL_MAGIC_ext
639		780
640	static int	781	static int ecb_cold
641	mmap_free (pTHX_ SV *sv, MAGIC *mg)	782	mmap_free (pTHX_ SV *sv, MAGIC *mg)
642	{	783	{
643	int old_errno = errno;	784	int old_errno = errno;
644	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	785	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645	errno = old_errno;	786	errno = old_errno;
…		…
669	{	810	{
670	SvGETMAGIC (cb_sv);	811	SvGETMAGIC (cb_sv);
671	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	812	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672	}	813	}
673		814
		815	static aio_req ecb_noinline
		816	dreq (SV *callback)
		817	{
		818	SV *cb_cv;
		819	aio_req req;
		820	int req_pri = next_pri;
		821	next_pri = EIO_PRI_DEFAULT;
		822
		823	cb_cv = get_cb (callback);
		824
		825	req = calloc (sizeof (*req), 1);
		826	if (!req)
		827	croak ("out of memory during eio_req allocation");
		828
		829	req->callback = SvREFCNT_inc (cb_cv);
		830	req->pri = req_pri;
		831
		832	return req;
		833	}
		834
674	#define dREQ \	835	#define dREQ \
675	SV *cb_cv; \	836	aio_req req = dreq (callback); \
676	aio_req req; \
677	int req_pri = next_pri; \
678	next_pri = EIO_PRI_DEFAULT; \
679	\
680	cb_cv = get_cb (callback); \
681	\
682	Newz (0, req, 1, eio_req); \
683	if (!req) \
684	croak ("out of memory during eio_req allocation"); \
685	\
686	req->callback = SvREFCNT_inc (cb_cv); \
687	req->pri = req_pri
688		837
689	#define REQ_SEND \	838	#define REQ_SEND \
690	PUTBACK; \	839	PUTBACK; \
691	req_submit (req); \	840	req_submit (req); \
692	SPAGAIN; \	841	SPAGAIN; \
693	\	842	\
694	if (GIMME_V != G_VOID) \	843	if (GIMME_V != G_VOID) \
695	XPUSHs (req_sv (req, aio_req_stash));	844	XPUSHs (req_sv (req, aio_req_stash));
		845
		846	ecb_inline void
		847	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		848	{
		849	if (expect_false (SvROK (path)))
		850	{
		851	SV *rv = SvRV (path);
		852	SV *wdob;
		853
		854	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		855	{
		856	path = AvARRAY (rv)[1];
		857	wdob = AvARRAY (rv)[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	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		868	{
		869	*wd = (aio_wd)(long)SvIVX (rv);
		870	*wdsv = SvREFCNT_inc_NN (rv);
		871	*ptr = ".";
		872	return; /* path set to "." */
		873	}
		874	else
		875	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		876	}
		877
		878	*pathsv = newSVsv (path);
		879	*ptr = SvPVbyte_nolen (*pathsv);
		880	}
		881
		882	static void ecb_noinline
		883	req_set_path1 (aio_req req, SV *path)
		884	{
		885	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		886	}
		887
		888	static void ecb_noinline
		889	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		890	{
		891	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		892
		893	switch (SvTYPE (rv))
		894	{
		895	case SVt_PVIO:
		896	case SVt_PVLV:
		897	case SVt_PVGV:
		898	req->type = type_fh;
		899	req->sv1 = newSVsv (fh_or_path);
		900	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		901	break;
		902
		903	default:
		904	req->type = type_path;
		905	req_set_path1 (req, fh_or_path);
		906	break;
		907	}
		908	}
		909
		910	XS(boot_IO__AIO) ecb_cold;
696		911
697	MODULE = IO::AIO PACKAGE = IO::AIO	912	MODULE = IO::AIO PACKAGE = IO::AIO
698		913
699	PROTOTYPES: ENABLE	914	PROTOTYPES: ENABLE
700		915
…		…
714	const_iv (O_RDWR)	929	const_iv (O_RDWR)
715	const_iv (O_CREAT)	930	const_iv (O_CREAT)
716	const_iv (O_TRUNC)	931	const_iv (O_TRUNC)
717	const_iv (O_EXCL)	932	const_iv (O_EXCL)
718	const_iv (O_APPEND)	933	const_iv (O_APPEND)
719	#ifndef _WIN32	934
		935	const_iv (O_ASYNC)
		936	const_iv (O_DIRECT)
		937	const_iv (O_NOATIME)
		938
		939	const_iv (O_CLOEXEC)
		940	const_iv (O_NOCTTY)
		941	const_iv (O_NOFOLLOW)
		942	const_iv (O_NONBLOCK)
		943	const_iv (O_EXEC)
		944	const_iv (O_SEARCH)
		945	const_iv (O_DIRECTORY)
		946	const_iv (O_DSYNC)
		947	const_iv (O_RSYNC)
		948	const_iv (O_SYNC)
		949	const_iv (O_TTY_INIT)
		950
720	const_iv (S_IFIFO)	951	const_iv (S_IFIFO)
721	#endif	952	const_iv (S_IFCHR)
		953	const_iv (S_IFBLK)
		954	const_iv (S_IFLNK)
		955	const_iv (S_IFREG)
		956	const_iv (S_IFDIR)
		957	const_iv (S_IFWHT)
		958	const_iv (S_IFSOCK)
		959	const_iv (S_IFMT)
		960
722	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	961	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
723	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	962	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
724	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	963	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
725	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	964	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
726	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	965	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
743	const_iv (ST_IMMUTABLE)	982	const_iv (ST_IMMUTABLE)
744	const_iv (ST_NOATIME)	983	const_iv (ST_NOATIME)
745	const_iv (ST_NODIRATIME)	984	const_iv (ST_NODIRATIME)
746	const_iv (ST_RELATIME)	985	const_iv (ST_RELATIME)
747		986
		987	const_iv (PROT_NONE)
748	const_iv (PROT_EXEC)	988	const_iv (PROT_EXEC)
749	const_iv (PROT_NONE)
750	const_iv (PROT_READ)	989	const_iv (PROT_READ)
751	const_iv (PROT_WRITE)	990	const_iv (PROT_WRITE)
752		991
753	/*const_iv (MAP_FIXED)*/	992	/*const_iv (MAP_FIXED)*/
754	const_iv (MAP_PRIVATE)	993	const_iv (MAP_PRIVATE)
…		…
760	const_iv (MAP_LOCKED)	999	const_iv (MAP_LOCKED)
761	const_iv (MAP_NORESERVE)	1000	const_iv (MAP_NORESERVE)
762	const_iv (MAP_POPULATE)	1001	const_iv (MAP_POPULATE)
763	const_iv (MAP_NONBLOCK)	1002	const_iv (MAP_NONBLOCK)
764		1003
765	const_iv (MCL_FUTURE)	1004	const_eio (MCL_FUTURE)
766	const_iv (MCL_CURRENT)	1005	const_eio (MCL_CURRENT)
767		1006
768	const_eio (MS_ASYNC)	1007	const_eio (MS_ASYNC)
769	const_eio (MS_INVALIDATE)	1008	const_eio (MS_INVALIDATE)
770	const_eio (MS_SYNC)	1009	const_eio (MS_SYNC)
771		1010
772	const_eio (MT_MODIFY)	1011	const_eio (MT_MODIFY)
773		1012
774	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1013	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775	const_eio (SYNC_FILE_RANGE_WRITE)	1014	const_eio (SYNC_FILE_RANGE_WRITE)
776	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1015	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1016
		1017	const_eio (FALLOC_FL_KEEP_SIZE)
777		1018
778	const_eio (READDIR_DENTS)	1019	const_eio (READDIR_DENTS)
779	const_eio (READDIR_DIRS_FIRST)	1020	const_eio (READDIR_DIRS_FIRST)
780	const_eio (READDIR_STAT_ORDER)	1021	const_eio (READDIR_STAT_ORDER)
781	const_eio (READDIR_FOUND_UNKNOWN)	1022	const_eio (READDIR_FOUND_UNKNOWN)
…		…
792	};	1033	};
793		1034
794	aio_stash = gv_stashpv ("IO::AIO" , 1);	1035	aio_stash = gv_stashpv ("IO::AIO" , 1);
795	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1036	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1037	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1038	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797		1039
798	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1040	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
799	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1041	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800		1042
801	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1043	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802		1044
803	create_respipe ();	1045	reinit ();
804
805	if (eio_init (want_poll, done_poll) < 0)
806	croak ("IO::AIO: unable to initialise eio library");
807
808	/* atfork child called in fifo order, so before eio's handler */
809	X_THREAD_ATFORK (0, 0, atfork_child);
810	}	1046	}
811		1047
812	void	1048	void
		1049	reinit ()
		1050	PROTOTYPE:
		1051
		1052	void
813	max_poll_reqs (int nreqs)	1053	max_poll_reqs (unsigned int nreqs)
814	PROTOTYPE: $	1054	PROTOTYPE: $
815	CODE:	1055	CODE:
816	eio_set_max_poll_reqs (nreqs);	1056	eio_set_max_poll_reqs (nreqs);
817		1057
818	void	1058	void
…		…
820	PROTOTYPE: $	1060	PROTOTYPE: $
821	CODE:	1061	CODE:
822	eio_set_max_poll_time (nseconds);	1062	eio_set_max_poll_time (nseconds);
823		1063
824	void	1064	void
825	min_parallel (int nthreads)	1065	min_parallel (unsigned int nthreads)
826	PROTOTYPE: $	1066	PROTOTYPE: $
827	CODE:	1067	CODE:
828	eio_set_min_parallel (nthreads);	1068	eio_set_min_parallel (nthreads);
829		1069
830	void	1070	void
831	max_parallel (int nthreads)	1071	max_parallel (unsigned int nthreads)
832	PROTOTYPE: $	1072	PROTOTYPE: $
833	CODE:	1073	CODE:
834	eio_set_max_parallel (nthreads);	1074	eio_set_max_parallel (nthreads);
835		1075
836	void	1076	void
837	max_idle (int nthreads)	1077	max_idle (unsigned int nthreads)
838	PROTOTYPE: $	1078	PROTOTYPE: $
839	CODE:	1079	CODE:
840	eio_set_max_idle (nthreads);	1080	eio_set_max_idle (nthreads);
841		1081
842	void	1082	void
		1083	idle_timeout (unsigned int seconds)
		1084	PROTOTYPE: $
		1085	CODE:
		1086	eio_set_idle_timeout (seconds);
		1087
		1088	void
843	max_outstanding (int maxreqs)	1089	max_outstanding (unsigned int maxreqs)
844	PROTOTYPE: $	1090	PROTOTYPE: $
845	CODE:	1091	CODE:
846	max_outstanding = maxreqs;	1092	max_outstanding = maxreqs;
847		1093
848	void	1094	void
		1095	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1096	PPCODE:
		1097	{
		1098	dREQ;
		1099
		1100	req->type = EIO_WD_OPEN;
		1101	req_set_path1 (req, pathname);
		1102
		1103	REQ_SEND;
		1104	}
		1105
		1106	void
849	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1107	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
850	PROTOTYPE: $$$;$
851	PPCODE:	1108	PPCODE:
852	{	1109	{
853	dREQ;	1110	dREQ;
854		1111
855	req->type = EIO_OPEN;	1112	req->type = EIO_OPEN;
856	req->sv1 = newSVsv (pathname);	1113	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858	req->int1 = flags;	1114	req->int1 = flags;
859	req->int2 = mode;	1115	req->int2 = mode;
860		1116
861	REQ_SEND;	1117	REQ_SEND;
862	}	1118	}
863		1119
864	void	1120	void
865	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1121	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
866	PROTOTYPE: $;$
867	ALIAS:	1122	ALIAS:
868	aio_fsync = EIO_FSYNC	1123	aio_fsync = EIO_FSYNC
869	aio_fdatasync = EIO_FDATASYNC	1124	aio_fdatasync = EIO_FDATASYNC
		1125	aio_syncfs = EIO_SYNCFS
870	PPCODE:	1126	PPCODE:
871	{	1127	{
872	int fd = s_fileno_croak (fh, 0);	1128	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1129	dREQ;
874		1130
…		…
879	REQ_SEND (req);	1135	REQ_SEND (req);
880	}	1136	}
881		1137
882	void	1138	void
883	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1139	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
884	PROTOTYPE: $$$$;$
885	PPCODE:	1140	PPCODE:
886	{	1141	{
887	int fd = s_fileno_croak (fh, 0);	1142	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1143	dREQ;
889		1144
…		…
896		1151
897	REQ_SEND (req);	1152	REQ_SEND (req);
898	}	1153	}
899		1154
900	void	1155	void
901	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1156	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
902	PROTOTYPE: $;$
903	PPCODE:	1157	PPCODE:
904	{	1158	{
905	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906	int fd = s_fileno_croak (fh, 0);	1159	int fd = s_fileno_croak (fh, 0);
907	dREQ;	1160	dREQ;
908		1161
909	if (close_pipe < 0)	1162	req->type = EIO_FALLOCATE;
		1163	req->sv1 = newSVsv (fh);
		1164	req->int1 = fd;
		1165	req->int2 = mode;
		1166	req->offs = offset;
		1167	req->size = len;
		1168
		1169	REQ_SEND (req);
		1170	}
		1171
		1172	void
		1173	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1174	PPCODE:
		1175	{
		1176	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1177	int fd = s_fileno_croak (fh, 0);
		1178	dREQ;
		1179
		1180	if (expect_false (close_fd < 0))
910	{	1181	{
911	int pipefd [2];	1182	int pipefd [2];
912		1183
		1184	if (
		1185	#ifdef _WIN32
		1186	_pipe (pipefd, 1, _O_BINARY) < 0
		1187	#else
913	if (pipe (pipefd) < 0	1188	pipe (pipefd) < 0
914	|| close (pipefd [1]) < 0
915	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1189	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1190	#endif
		1191	|| close (pipefd [1]) < 0
		1192	)
916	abort (); /*D*/	1193	abort (); /*D*/
917		1194
918	close_pipe = pipefd [0];	1195	close_fd = pipefd [0];
919	}	1196	}
920		1197
921	req->type = EIO_DUP2;	1198	req->type = EIO_DUP2;
922	req->int1 = close_pipe;	1199	req->int1 = close_fd;
923	req->sv2 = newSVsv (fh);	1200	req->sv2 = newSVsv (fh);
924	req->int2 = fd;	1201	req->int2 = fd;
925		1202
926	REQ_SEND (req);	1203	REQ_SEND (req);
927	}	1204	}
…		…
929	void	1206	void
930	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1207	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
931	ALIAS:	1208	ALIAS:
932	aio_read = EIO_READ	1209	aio_read = EIO_READ
933	aio_write = EIO_WRITE	1210	aio_write = EIO_WRITE
934	PROTOTYPE: $$$$$;$
935	PPCODE:	1211	PPCODE:
936	{	1212	{
937	STRLEN svlen;	1213	STRLEN svlen;
938	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1214	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939	char *svptr = SvPVbyte (data, svlen);	1215	char *svptr = SvPVbyte (data, svlen);
…		…
979	REQ_SEND;	1255	REQ_SEND;
980	}	1256	}
981	}	1257	}
982		1258
983	void	1259	void
984	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1260	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
985	PROTOTYPE: $$;$	1261	ALIAS:
		1262	aio_readlink = EIO_READLINK
		1263	aio_realpath = EIO_REALPATH
986	PPCODE:	1264	PPCODE:
987	{	1265	{
988	SV *data;
989	dREQ;	1266	dREQ;
990		1267
991	req->type = EIO_READLINK;	1268	req->type = ix;
992	req->sv1 = newSVsv (path);	1269	req_set_path1 (req, pathname);
993	req->ptr1 = SvPVbyte_nolen (req->sv1);
994		1270
995	REQ_SEND;	1271	REQ_SEND;
996	}	1272	}
997		1273
998	void	1274	void
999	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1275	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1000	PROTOTYPE: $$$$;$
1001	PPCODE:	1276	PPCODE:
1002	{	1277	{
1003	int ifd = s_fileno_croak (in_fh , 0);	1278	int ifd = s_fileno_croak (in_fh , 0);
1004	int ofd = s_fileno_croak (out_fh, 1);	1279	int ofd = s_fileno_croak (out_fh, 1);
1005	dREQ;	1280	dREQ;
…		…
1015	REQ_SEND;	1290	REQ_SEND;
1016	}	1291	}
1017		1292
1018	void	1293	void
1019	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1294	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1020	PROTOTYPE: $$$;$
1021	PPCODE:	1295	PPCODE:
1022	{	1296	{
1023	int fd = s_fileno_croak (fh, 0);	1297	int fd = s_fileno_croak (fh, 0);
1024	dREQ;	1298	dREQ;
1025		1299
…		…
1040	aio_statvfs = EIO_STATVFS	1314	aio_statvfs = EIO_STATVFS
1041	PPCODE:	1315	PPCODE:
1042	{	1316	{
1043	dREQ;	1317	dREQ;
1044		1318
1045	req->sv1 = newSVsv (fh_or_path);	1319	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047	if (SvPOK (req->sv1))
1048	{
1049	req->type = ix;
1050	req->ptr1 = SvPVbyte_nolen (req->sv1);
1051	}
1052	else
1053	{
1054	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056	}
1057		1320
1058	REQ_SEND;	1321	REQ_SEND;
1059	}	1322	}
		1323
		1324	UV
		1325	major (UV dev)
		1326	ALIAS:
		1327	minor = 1
		1328	CODE:
		1329	RETVAL = ix ? major (dev) : minor (dev);
		1330	OUTPUT:
		1331	RETVAL
		1332
		1333	UV
		1334	makedev (UV maj, UV min)
		1335	CODE:
		1336	RETVAL = makedev (maj, min);
		1337	OUTPUT:
		1338	RETVAL
1060		1339
1061	void	1340	void
1062	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1341	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1063	PPCODE:	1342	PPCODE:
1064	{	1343	{
1065	dREQ;	1344	dREQ;
1066		1345
1067	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1346	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1347	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069	req->sv1 = newSVsv (fh_or_path);	1348	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071	if (SvPOK (req->sv1))
1072	{
1073	req->type = EIO_UTIME;
1074	req->ptr1 = SvPVbyte_nolen (req->sv1);
1075	}
1076	else
1077	{
1078	req->type = EIO_FUTIME;
1079	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080	}
1081		1349
1082	REQ_SEND;	1350	REQ_SEND;
1083	}	1351	}
1084		1352
1085	void	1353	void
1086	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1354	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1087	PPCODE:	1355	PPCODE:
1088	{	1356	{
1089	dREQ;	1357	dREQ;
1090		1358
1091	req->sv1 = newSVsv (fh_or_path);
1092	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1359	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093		1360	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094	if (SvPOK (req->sv1))
1095	{
1096	req->type = EIO_TRUNCATE;
1097	req->ptr1 = SvPVbyte_nolen (req->sv1);
1098	}
1099	else
1100	{
1101	req->type = EIO_FTRUNCATE;
1102	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103	}
1104		1361
1105	REQ_SEND;	1362	REQ_SEND;
1106	}	1363	}
1107		1364
1108	void	1365	void
1109	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1366	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1110	ALIAS:
1111	aio_chmod = EIO_CHMOD
1112	aio_mkdir = EIO_MKDIR
1113	PPCODE:	1367	PPCODE:
1114	{	1368	{
1115	dREQ;	1369	dREQ;
1116		1370
1117	req->int2 = mode;	1371	req->int2 = mode;
1118	req->sv1 = newSVsv (fh_or_path);	1372	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120	if (SvPOK (req->sv1))
1121	{
1122	req->type = ix;
1123	req->ptr1 = SvPVbyte_nolen (req->sv1);
1124	}
1125	else
1126	{
1127	req->type = EIO_FCHMOD;
1128	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129	}
1130		1373
1131	REQ_SEND;	1374	REQ_SEND;
1132	}	1375	}
1133		1376
1134	void	1377	void
…		…
1137	{	1380	{
1138	dREQ;	1381	dREQ;
1139		1382
1140	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1383	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1384	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142	req->sv1 = newSVsv (fh_or_path);	1385	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144	if (SvPOK (req->sv1))
1145	{
1146	req->type = EIO_CHOWN;
1147	req->ptr1 = SvPVbyte_nolen (req->sv1);
1148	}
1149	else
1150	{
1151	req->type = EIO_FCHOWN;
1152	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153	}
1154		1386
1155	REQ_SEND;	1387	REQ_SEND;
1156	}	1388	}
1157		1389
1158	void	1390	void
…		…
1160	PPCODE:	1392	PPCODE:
1161	{	1393	{
1162	dREQ;	1394	dREQ;
1163		1395
1164	req->type = EIO_READDIR;	1396	req->type = EIO_READDIR;
1165	req->sv1 = newSVsv (pathname);
1166	req->ptr1 = SvPVbyte_nolen (req->sv1);
1167	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1397	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168		1398
1169	if (flags & EIO_READDIR_DENTS)	1399	if (flags & EIO_READDIR_DENTS)
1170	req->int1 |= EIO_READDIR_CUSTOM2;	1400	req->int1 |= EIO_READDIR_CUSTOM2;
1171		1401
		1402	req_set_path1 (req, pathname);
		1403
1172	REQ_SEND;	1404	REQ_SEND;
		1405	}
		1406
		1407	void
		1408	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1409	PPCODE:
		1410	{
		1411	dREQ;
		1412
		1413	req->type = EIO_MKDIR;
		1414	req->int2 = mode;
		1415	req_set_path1 (req, pathname);
		1416
		1417	REQ_SEND;
1173	}	1418	}
1174		1419
1175	void	1420	void
1176	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1421	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1177	ALIAS:	1422	ALIAS:
…		…
1181	PPCODE:	1426	PPCODE:
1182	{	1427	{
1183	dREQ;	1428	dREQ;
1184		1429
1185	req->type = ix;	1430	req->type = ix;
1186	req->sv1 = newSVsv (pathname);	1431	req_set_path1 (req, pathname);
1187	req->ptr1 = SvPVbyte_nolen (req->sv1);
1188		1432
1189	REQ_SEND;	1433	REQ_SEND;
1190	}	1434	}
1191		1435
1192	void	1436	void
…		…
1195	aio_link = EIO_LINK	1439	aio_link = EIO_LINK
1196	aio_symlink = EIO_SYMLINK	1440	aio_symlink = EIO_SYMLINK
1197	aio_rename = EIO_RENAME	1441	aio_rename = EIO_RENAME
1198	PPCODE:	1442	PPCODE:
1199	{	1443	{
		1444	eio_wd wd2 = 0;
1200	dREQ;	1445	dREQ;
1201		1446
1202	req->type = ix;	1447	req->type = ix;
1203	req->sv1 = newSVsv (oldpath);	1448	req_set_path1 (req, oldpath);
1204	req->ptr1 = SvPVbyte_nolen (req->sv1);	1449	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205	req->sv2 = newSVsv (newpath);	1450	req->int3 = (long)wd2;
1206	req->ptr2 = SvPVbyte_nolen (req->sv2);
1207		1451
1208	REQ_SEND;	1452	REQ_SEND;
1209	}	1453	}
1210		1454
1211	void	1455	void
…		…
1213	PPCODE:	1457	PPCODE:
1214	{	1458	{
1215	dREQ;	1459	dREQ;
1216		1460
1217	req->type = EIO_MKNOD;	1461	req->type = EIO_MKNOD;
1218	req->sv1 = newSVsv (pathname);
1219	req->ptr1 = SvPVbyte_nolen (req->sv1);
1220	req->int2 = (mode_t)mode;	1462	req->int2 = (mode_t)mode;
1221	req->offs = dev;	1463	req->offs = dev;
		1464	req_set_path1 (req, pathname);
1222		1465
1223	REQ_SEND;	1466	REQ_SEND;
1224	}	1467	}
1225		1468
1226	void	1469	void
1227	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1470	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1228	ALIAS:	1471	ALIAS:
1229	aio_mtouch = EIO_MTOUCH	1472	aio_mtouch = EIO_MTOUCH
1230	aio_msync = EIO_MSYNC	1473	aio_msync = EIO_MSYNC
1231	PROTOTYPE: $$$$;$
1232	PPCODE:	1474	PPCODE:
1233	{	1475	{
1234	STRLEN svlen;	1476	STRLEN svlen;
		1477	char *svptr = SvPVbyte (data, svlen);
1235	UV len = SvUV (length);	1478	UV len = SvUV (length);
1236	char *svptr = SvPVbyte (data, svlen);
1237		1479
1238	if (offset < 0)	1480	if (offset < 0)
1239	offset += svlen;	1481	offset += svlen;
1240		1482
1241	if (offset < 0 || offset > svlen)	1483	if (offset < 0 || offset > svlen)
…		…
1246		1488
1247	{	1489	{
1248	dREQ;	1490	dREQ;
1249		1491
1250	req->type = ix;	1492	req->type = ix;
1251	req->size = len;
1252	req->sv2 = SvREFCNT_inc (data);	1493	req->sv2 = SvREFCNT_inc (data);
1253	req->ptr2 = (char *)svptr + offset;	1494	req->ptr2 = (char *)svptr + offset;
		1495	req->size = len;
1254	req->int1 = flags;	1496	req->int1 = flags;
1255		1497
1256	REQ_SEND;	1498	REQ_SEND;
1257	}	1499	}
1258	}	1500	}
1259		1501
1260	void	1502	void
		1503	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1504	PPCODE:
		1505	{
		1506	STRLEN svlen;
		1507	char *svptr = SvPVbyte (data, svlen);
		1508	UV len = SvUV (length);
		1509
		1510	if (offset < 0)
		1511	offset += svlen;
		1512
		1513	if (offset < 0 || offset > svlen)
		1514	croak ("offset outside of scalar");
		1515
		1516	if (!SvOK (length) || len + offset > svlen)
		1517	len = svlen - offset;
		1518
		1519	{
		1520	dREQ;
		1521
		1522	req->type = EIO_MLOCK;
		1523	req->sv2 = SvREFCNT_inc (data);
		1524	req->ptr2 = (char *)svptr + offset;
		1525	req->size = len;
		1526
		1527	REQ_SEND;
		1528	}
		1529	}
		1530
		1531	void
		1532	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1533	PPCODE:
		1534	{
		1535	dREQ;
		1536
		1537	req->type = EIO_MLOCKALL;
		1538	req->int1 = flags;
		1539
		1540	REQ_SEND;
		1541	}
		1542
		1543	void
1261	aio_busy (double delay, SV *callback=&PL_sv_undef)	1544	aio_busy (double delay, SV *callback=&PL_sv_undef)
1262	PPCODE:	1545	PPCODE:
1263	{	1546	{
1264	dREQ;	1547	dREQ;
1265		1548
…		…
1269	REQ_SEND;	1552	REQ_SEND;
1270	}	1553	}
1271		1554
1272	void	1555	void
1273	aio_group (SV *callback=&PL_sv_undef)	1556	aio_group (SV *callback=&PL_sv_undef)
1274	PROTOTYPE: ;$
1275	PPCODE:	1557	PPCODE:
1276	{	1558	{
1277	dREQ;	1559	dREQ;
1278		1560
1279	req->type = EIO_GROUP;	1561	req->type = EIO_GROUP;
…		…
1296	REQ_SEND;	1578	REQ_SEND;
1297	}	1579	}
1298		1580
1299	int	1581	int
1300	aioreq_pri (int pri = 0)	1582	aioreq_pri (int pri = 0)
1301	PROTOTYPE: ;$
1302	CODE:	1583	CODE:
1303	RETVAL = next_pri;	1584	RETVAL = next_pri;
1304	if (items > 0)	1585	if (items > 0)
1305	{	1586	{
1306	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1587	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1318	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1599	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319	next_pri = nice;	1600	next_pri = nice;
1320		1601
1321	void	1602	void
1322	flush ()	1603	flush ()
1323	PROTOTYPE:
1324	CODE:	1604	CODE:
1325	while (eio_nreqs ())	1605	while (eio_nreqs ())
1326	{	1606	{
1327	poll_wait ();	1607	poll_wait ();
1328	poll_cb ();	1608	poll_cb ();
1329	}	1609	}
1330		1610
1331	int	1611	int
1332	poll()	1612	poll ()
1333	PROTOTYPE:
1334	CODE:	1613	CODE:
1335	poll_wait ();	1614	poll_wait ();
1336	RETVAL = poll_cb ();	1615	RETVAL = poll_cb ();
1337	OUTPUT:	1616	OUTPUT:
1338	RETVAL	1617	RETVAL
1339		1618
1340	int	1619	int
1341	poll_fileno()	1620	poll_fileno ()
1342	PROTOTYPE:
1343	CODE:	1621	CODE:
1344	RETVAL = s_epipe_fd (&respipe);	1622	RETVAL = s_epipe_fd (&respipe);
1345	OUTPUT:	1623	OUTPUT:
1346	RETVAL	1624	RETVAL
1347		1625
1348	int	1626	int
1349	poll_cb(...)	1627	poll_cb (...)
1350	PROTOTYPE:	1628	PROTOTYPE:
1351	CODE:	1629	CODE:
1352	RETVAL = poll_cb ();	1630	RETVAL = poll_cb ();
1353	OUTPUT:	1631	OUTPUT:
1354	RETVAL	1632	RETVAL
1355		1633
1356	void	1634	void
1357	poll_wait()	1635	poll_wait ()
1358	PROTOTYPE:
1359	CODE:	1636	CODE:
1360	poll_wait ();	1637	poll_wait ();
1361		1638
1362	int	1639	int
1363	nreqs()	1640	nreqs ()
1364	PROTOTYPE:
1365	CODE:	1641	CODE:
1366	RETVAL = eio_nreqs ();	1642	RETVAL = eio_nreqs ();
1367	OUTPUT:	1643	OUTPUT:
1368	RETVAL	1644	RETVAL
1369		1645
1370	int	1646	int
1371	nready()	1647	nready ()
1372	PROTOTYPE:
1373	CODE:	1648	CODE:
1374	RETVAL = eio_nready ();	1649	RETVAL = eio_nready ();
1375	OUTPUT:	1650	OUTPUT:
1376	RETVAL	1651	RETVAL
1377		1652
1378	int	1653	int
1379	npending()	1654	npending ()
1380	PROTOTYPE:
1381	CODE:	1655	CODE:
1382	RETVAL = eio_npending ();	1656	RETVAL = eio_npending ();
1383	OUTPUT:	1657	OUTPUT:
1384	RETVAL	1658	RETVAL
1385		1659
1386	int	1660	int
1387	nthreads()	1661	nthreads ()
1388	PROTOTYPE:
1389	CODE:	1662	CODE:
1390	RETVAL = eio_nthreads ();	1663	RETVAL = eio_nthreads ();
1391	OUTPUT:	1664	OUTPUT:
1392	RETVAL	1665	RETVAL
1393		1666
1394	int	1667	int
1395	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1668	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396	PROTOTYPE: $$$$
1397	CODE:	1669	CODE:
1398	RETVAL = posix_fadvise (fh, offset, length, advice);	1670	RETVAL = posix_fadvise (fh, offset, length, advice);
1399	OUTPUT:	1671	OUTPUT:
1400	RETVAL	1672	RETVAL
1401		1673
1402	ssize_t	1674	IV
1403	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1675	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404	PROTOTYPE: $$$$
1405	CODE:	1676	CODE:
1406	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1677	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407	OUTPUT:	1678	OUTPUT:
1408	RETVAL	1679	RETVAL
1409		1680
1410	void	1681	void
1411	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1682	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1412	PROTOTYPE: $$$$$;$
1413	PPCODE:	1683	PPCODE:
1414	sv_unmagic (scalar, MMAP_MAGIC);	1684	sv_unmagic (scalar, MMAP_MAGIC);
1415	{	1685	{
1416	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1686	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1687	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1440	XSRETURN_YES;	1710	XSRETURN_YES;
1441	}	1711	}
1442		1712
1443	void	1713	void
1444	munmap (SV *scalar)	1714	munmap (SV *scalar)
1445	PROTOTYPE: $
1446	CODE:	1715	CODE:
1447	sv_unmagic (scalar, MMAP_MAGIC);	1716	sv_unmagic (scalar, MMAP_MAGIC);
1448		1717
1449	int	1718	int
1450	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1719	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1451	PROTOTYPE: $$$$	1720	ALIAS:
		1721	mprotect = 1
1452	CODE:	1722	CODE:
1453	{	1723	{
1454	char *addr = SvPV_nolen (scalar) + offset;	1724	STRLEN svlen;
		1725	void *addr = SvPVbyte (scalar, svlen);
		1726	size_t len = SvUV (length);
1455		1727
1456	if (!SvOK (ST (2)))	1728	if (offset < 0)
		1729	offset += svlen;
		1730
		1731	if (offset < 0 || offset > svlen)
		1732	croak ("offset outside of scalar");
		1733
		1734	if (!SvOK (length) || len + offset > svlen)
1457	length = SvCUR (scalar) - offset;	1735	len = svlen - offset;
1458		1736
1459	if (addr >= SvEND (scalar) || length <= 0)	1737	addr = (void *)(((intptr_t)addr) + offset);
1460	XSRETURN_EMPTY;	1738	eio_page_align (&addr, &len);
1461		1739
		1740	switch (ix)
		1741	{
1462	RETVAL = posix_madvise (addr, length, advice);	1742	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1743	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1744	}
1463	}	1745	}
1464	OUTPUT:	1746	OUTPUT:
1465	RETVAL	1747	RETVAL
1466		1748
1467	int	1749	int
1468	mlockall (int flags)	1750	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1751	CODE:
		1752	{
		1753	STRLEN svlen;
		1754	void *addr = SvPVbyte (scalar, svlen);
		1755	size_t len = SvUV (length);
		1756
		1757	if (offset < 0)
		1758	offset += svlen;
		1759
		1760	if (offset < 0 || offset > svlen)
		1761	croak ("offset outside of scalar");
		1762
		1763	if (!SvOK (length) || len + offset > svlen)
		1764	len = svlen - offset;
		1765
		1766	addr = (void *)(((intptr_t)addr) + offset);
		1767	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1768	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1769	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	1770	#else
1478	RETVAL = -1;	1771	RETVAL = ((errno = ENOSYS), -1);
1479	errno = ENOSYS;
1480	#endif	1772	#endif
		1773	}
1481	OUTPUT:	1774	OUTPUT:
1482	RETVAL	1775	RETVAL
1483		1776
1484	int	1777	int
1485	munlockall ()	1778	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1779	CODE:
1488	#if _POSIX_MEMLOCK	1780	#if _POSIX_MEMLOCK
1489	munlockall ();	1781	munlockall ();
1490	#else	1782	#else
1491	RETVAL = -1;	1783	RETVAL = -1;
…		…
1499	SvREFCNT_dec (on_next_submit);	1791	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1792	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		1793
1502	PROTOTYPES: DISABLE	1794	PROTOTYPES: DISABLE
1503		1795
		1796	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1797
		1798	BOOT:
		1799	{
		1800	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1801	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1802	}
		1803
		1804	void
		1805	DESTROY (SV *self)
		1806	CODE:
		1807	{
		1808	aio_wd wd = SvAIO_WD (self);
		1809	#if HAVE_AT
		1810	{
		1811	SV *callback = &PL_sv_undef;
		1812	dREQ; /* clobbers next_pri :/ */
		1813	next_pri = req->pri; /* restore next_pri */
		1814	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1815	req->type = EIO_WD_CLOSE;
		1816	req->wd = wd;
		1817	REQ_SEND;
		1818	}
		1819	#else
		1820	eio_wd_close_sync (wd);
		1821	#endif
		1822	}
		1823
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1824	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		1825
1506	void	1826	void
1507	cancel (aio_req_ornot req)	1827	cancel (aio_req_ornot req)
1508	CODE:	1828	CODE:

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