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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 1.201 by root, Thu Sep 29 09:57:12 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 ((long)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 (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;
…		…
683	req_submit (req); \	831	req_submit (req); \
684	SPAGAIN; \	832	SPAGAIN; \
685	\	833	\
686	if (GIMME_V != G_VOID) \	834	if (GIMME_V != G_VOID) \
687	XPUSHs (req_sv (req, aio_req_stash));	835	XPUSHs (req_sv (req, aio_req_stash));
		836
		837	ecb_inline void
		838	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		839	{
		840	if (expect_false (SvROK (path)))
		841	{
		842	AV *av = (AV *)SvRV (path);
		843	SV *wdob;
		844
		845	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		846	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		847
		848	path = AvARRAY (av)[1];
		849	wdob = AvARRAY (av)[0];
		850
		851	if (SvOK (wdob))
		852	{
		853	*wd = SvAIO_WD (wdob);
		854	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		855	}
		856	else
		857	*wd = EIO_INVALID_WD;
		858	}
		859
		860	*pathsv = newSVsv (path);
		861	*ptr = SvPVbyte_nolen (*pathsv);
		862	}
		863
		864	static void ecb_noinline
		865	req_set_path1 (aio_req req, SV *path)
		866	{
		867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		868	}
		869
		870	static void ecb_noinline
		871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		872	{
		873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		874
		875	switch (SvTYPE (rv))
		876	{
		877	case SVt_PVIO:
		878	case SVt_PVLV:
		879	case SVt_PVGV:
		880	req->type = type_fh;
		881	req->sv1 = newSVsv (fh_or_path);
		882	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		883	break;
		884
		885	default:
		886	req->type = type_path;
		887	req_set_path1 (req, fh_or_path);
		888	break;
		889	}
		890	}
688		891
689	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
690		893
691	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
692		895
…		…
706	const_iv (O_RDWR)	909	const_iv (O_RDWR)
707	const_iv (O_CREAT)	910	const_iv (O_CREAT)
708	const_iv (O_TRUNC)	911	const_iv (O_TRUNC)
709	const_iv (O_EXCL)	912	const_iv (O_EXCL)
710	const_iv (O_APPEND)	913	const_iv (O_APPEND)
711	#ifndef _WIN32	914
		915	const_iv (O_ASYNC)
		916	const_iv (O_DIRECT)
		917	const_iv (O_NOATIME)
		918
		919	const_iv (O_CLOEXEC)
		920	const_iv (O_NOCTTY)
		921	const_iv (O_NOFOLLOW)
		922	const_iv (O_NONBLOCK)
		923	const_iv (O_EXEC)
		924	const_iv (O_SEARCH)
		925	const_iv (O_DIRECTORY)
		926	const_iv (O_DSYNC)
		927	const_iv (O_RSYNC)
		928	const_iv (O_SYNC)
		929	const_iv (O_TTY_INIT)
		930
712	const_iv (S_IFIFO)	931	const_iv (S_IFIFO)
713	#endif	932	const_iv (S_IFCHR)
		933	const_iv (S_IFBLK)
		934	const_iv (S_IFLNK)
		935	const_iv (S_IFREG)
		936	const_iv (S_IFDIR)
		937	const_iv (S_IFWHT)
		938	const_iv (S_IFSOCK)
		939	const_iv (S_IFMT)
		940
714	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	941	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
715	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	942	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
716	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	943	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
717	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	944	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
718	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	945	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
735	const_iv (ST_IMMUTABLE)	962	const_iv (ST_IMMUTABLE)
736	const_iv (ST_NOATIME)	963	const_iv (ST_NOATIME)
737	const_iv (ST_NODIRATIME)	964	const_iv (ST_NODIRATIME)
738	const_iv (ST_RELATIME)	965	const_iv (ST_RELATIME)
739		966
		967	const_iv (PROT_NONE)
740	const_iv (PROT_EXEC)	968	const_iv (PROT_EXEC)
741	const_iv (PROT_NONE)
742	const_iv (PROT_READ)	969	const_iv (PROT_READ)
743	const_iv (PROT_WRITE)	970	const_iv (PROT_WRITE)
744		971
745	/*const_iv (MAP_FIXED)*/	972	/*const_iv (MAP_FIXED)*/
746	const_iv (MAP_PRIVATE)	973	const_iv (MAP_PRIVATE)
…		…
752	const_iv (MAP_LOCKED)	979	const_iv (MAP_LOCKED)
753	const_iv (MAP_NORESERVE)	980	const_iv (MAP_NORESERVE)
754	const_iv (MAP_POPULATE)	981	const_iv (MAP_POPULATE)
755	const_iv (MAP_NONBLOCK)	982	const_iv (MAP_NONBLOCK)
756		983
757	const_iv (MCL_FUTURE)	984	const_eio (MCL_FUTURE)
758	const_iv (MCL_CURRENT)	985	const_eio (MCL_CURRENT)
759		986
760	const_eio (MS_ASYNC)	987	const_eio (MS_ASYNC)
761	const_eio (MS_INVALIDATE)	988	const_eio (MS_INVALIDATE)
762	const_eio (MS_SYNC)	989	const_eio (MS_SYNC)
763		990
764	const_eio (MT_MODIFY)	991	const_eio (MT_MODIFY)
765		992
766	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	993	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767	const_eio (SYNC_FILE_RANGE_WRITE)	994	const_eio (SYNC_FILE_RANGE_WRITE)
768	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	995	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		996
		997	const_eio (FALLOC_FL_KEEP_SIZE)
769		998
770	const_eio (READDIR_DENTS)	999	const_eio (READDIR_DENTS)
771	const_eio (READDIR_DIRS_FIRST)	1000	const_eio (READDIR_DIRS_FIRST)
772	const_eio (READDIR_STAT_ORDER)	1001	const_eio (READDIR_STAT_ORDER)
773	const_eio (READDIR_FOUND_UNKNOWN)	1002	const_eio (READDIR_FOUND_UNKNOWN)
…		…
784	};	1013	};
785		1014
786	aio_stash = gv_stashpv ("IO::AIO" , 1);	1015	aio_stash = gv_stashpv ("IO::AIO" , 1);
787	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1016	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1017	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1018	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789		1019
790	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1020	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));	1021	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792		1022
793	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1023	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794		1024
795	create_respipe ();	1025	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	}	1026	}
803		1027
804	void	1028	void
		1029	reinit ()
		1030	PROTOTYPE:
		1031
		1032	void
805	max_poll_reqs (int nreqs)	1033	max_poll_reqs (unsigned int nreqs)
806	PROTOTYPE: $	1034	PROTOTYPE: $
807	CODE:	1035	CODE:
808	eio_set_max_poll_reqs (nreqs);	1036	eio_set_max_poll_reqs (nreqs);
809		1037
810	void	1038	void
…		…
812	PROTOTYPE: $	1040	PROTOTYPE: $
813	CODE:	1041	CODE:
814	eio_set_max_poll_time (nseconds);	1042	eio_set_max_poll_time (nseconds);
815		1043
816	void	1044	void
817	min_parallel (int nthreads)	1045	min_parallel (unsigned int nthreads)
818	PROTOTYPE: $	1046	PROTOTYPE: $
819	CODE:	1047	CODE:
820	eio_set_min_parallel (nthreads);	1048	eio_set_min_parallel (nthreads);
821		1049
822	void	1050	void
823	max_parallel (int nthreads)	1051	max_parallel (unsigned int nthreads)
824	PROTOTYPE: $	1052	PROTOTYPE: $
825	CODE:	1053	CODE:
826	eio_set_max_parallel (nthreads);	1054	eio_set_max_parallel (nthreads);
827		1055
828	void	1056	void
829	max_idle (int nthreads)	1057	max_idle (unsigned int nthreads)
830	PROTOTYPE: $	1058	PROTOTYPE: $
831	CODE:	1059	CODE:
832	eio_set_max_idle (nthreads);	1060	eio_set_max_idle (nthreads);
833		1061
834	void	1062	void
		1063	idle_timeout (unsigned int seconds)
		1064	PROTOTYPE: $
		1065	CODE:
		1066	eio_set_idle_timeout (seconds);
		1067
		1068	void
835	max_outstanding (int maxreqs)	1069	max_outstanding (unsigned int maxreqs)
836	PROTOTYPE: $	1070	PROTOTYPE: $
837	CODE:	1071	CODE:
838	max_outstanding = maxreqs;	1072	max_outstanding = maxreqs;
839		1073
840	void	1074	void
		1075	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1076	PPCODE:
		1077	{
		1078	dREQ;
		1079
		1080	req->type = EIO_WD_OPEN;
		1081	req_set_path1 (req, pathname);
		1082
		1083	REQ_SEND;
		1084	}
		1085
		1086	void
841	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1087	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
842	PROTOTYPE: $$$;$
843	PPCODE:	1088	PPCODE:
844	{	1089	{
845	dREQ;	1090	dREQ;
846		1091
847	req->type = EIO_OPEN;	1092	req->type = EIO_OPEN;
848	req->sv1 = newSVsv (pathname);	1093	req_set_path1 (req, pathname);
849	req->ptr1 = SvPVbyte_nolen (req->sv1);
850	req->int1 = flags;	1094	req->int1 = flags;
851	req->int2 = mode;	1095	req->int2 = mode;
852		1096
853	REQ_SEND;	1097	REQ_SEND;
854	}	1098	}
855		1099
856	void	1100	void
857	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1101	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
858	PROTOTYPE: $;$
859	ALIAS:	1102	ALIAS:
860	aio_fsync = EIO_FSYNC	1103	aio_fsync = EIO_FSYNC
861	aio_fdatasync = EIO_FDATASYNC	1104	aio_fdatasync = EIO_FDATASYNC
		1105	aio_syncfs = EIO_SYNCFS
862	PPCODE:	1106	PPCODE:
863	{	1107	{
864	int fd = s_fileno_croak (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
865	dREQ;	1109	dREQ;
866		1110
…		…
871	REQ_SEND (req);	1115	REQ_SEND (req);
872	}	1116	}
873		1117
874	void	1118	void
875	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1119	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
876	PROTOTYPE: $$$$;$
877	PPCODE:	1120	PPCODE:
878	{	1121	{
879	int fd = s_fileno_croak (fh, 0);	1122	int fd = s_fileno_croak (fh, 0);
880	dREQ;	1123	dREQ;
881		1124
…		…
888		1131
889	REQ_SEND (req);	1132	REQ_SEND (req);
890	}	1133	}
891		1134
892	void	1135	void
893	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1136	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
894	PROTOTYPE: $;$
895	PPCODE:	1137	PPCODE:
896	{	1138	{
897	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898	int fd = s_fileno_croak (fh, 0);	1139	int fd = s_fileno_croak (fh, 0);
899	dREQ;	1140	dREQ;
900		1141
901	if (close_pipe < 0)	1142	req->type = EIO_FALLOCATE;
		1143	req->sv1 = newSVsv (fh);
		1144	req->int1 = fd;
		1145	req->int2 = mode;
		1146	req->offs = offset;
		1147	req->size = len;
		1148
		1149	REQ_SEND (req);
		1150	}
		1151
		1152	void
		1153	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1154	PPCODE:
		1155	{
		1156	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1157	int fd = s_fileno_croak (fh, 0);
		1158	dREQ;
		1159
		1160	if (expect_false (close_fd < 0))
902	{	1161	{
903	int pipefd [2];	1162	int pipefd [2];
904		1163
		1164	if (
		1165	#ifdef _WIN32
		1166	_pipe (pipefd, 1, _O_BINARY) < 0
		1167	#else
905	if (pipe (pipefd) < 0	1168	pipe (pipefd) < 0
906	|| close (pipefd [1]) < 0
907	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1169	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1170	#endif
		1171	|| close (pipefd [1]) < 0
		1172	)
908	abort (); /*D*/	1173	abort (); /*D*/
909		1174
910	close_pipe = pipefd [0];	1175	close_fd = pipefd [0];
911	}	1176	}
912		1177
913	req->type = EIO_DUP2;	1178	req->type = EIO_DUP2;
914	req->int1 = close_pipe;	1179	req->int1 = close_fd;
915	req->sv2 = newSVsv (fh);	1180	req->sv2 = newSVsv (fh);
916	req->int2 = fd;	1181	req->int2 = fd;
917		1182
918	REQ_SEND (req);	1183	REQ_SEND (req);
919	}	1184	}
…		…
921	void	1186	void
922	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1187	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
923	ALIAS:	1188	ALIAS:
924	aio_read = EIO_READ	1189	aio_read = EIO_READ
925	aio_write = EIO_WRITE	1190	aio_write = EIO_WRITE
926	PROTOTYPE: $$$$$;$
927	PPCODE:	1191	PPCODE:
928	{	1192	{
929	STRLEN svlen;	1193	STRLEN svlen;
930	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1194	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931	char *svptr = SvPVbyte (data, svlen);	1195	char *svptr = SvPVbyte (data, svlen);
…		…
971	REQ_SEND;	1235	REQ_SEND;
972	}	1236	}
973	}	1237	}
974		1238
975	void	1239	void
976	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1240	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
977	PROTOTYPE: $$;$	1241	ALIAS:
		1242	aio_readlink = EIO_READLINK
		1243	aio_realpath = EIO_REALPATH
978	PPCODE:	1244	PPCODE:
979	{	1245	{
980	SV *data;
981	dREQ;	1246	dREQ;
982		1247
983	req->type = EIO_READLINK;	1248	req->type = ix;
984	req->sv1 = newSVsv (path);	1249	req_set_path1 (req, pathname);
985	req->ptr1 = SvPVbyte_nolen (req->sv1);
986		1250
987	REQ_SEND;	1251	REQ_SEND;
988	}	1252	}
989		1253
990	void	1254	void
991	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1255	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
992	PROTOTYPE: $$$$;$
993	PPCODE:	1256	PPCODE:
994	{	1257	{
995	int ifd = s_fileno_croak (in_fh , 0);	1258	int ifd = s_fileno_croak (in_fh , 0);
996	int ofd = s_fileno_croak (out_fh, 1);	1259	int ofd = s_fileno_croak (out_fh, 1);
997	dREQ;	1260	dREQ;
…		…
1007	REQ_SEND;	1270	REQ_SEND;
1008	}	1271	}
1009		1272
1010	void	1273	void
1011	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1274	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1012	PROTOTYPE: $$$;$
1013	PPCODE:	1275	PPCODE:
1014	{	1276	{
1015	int fd = s_fileno_croak (fh, 0);	1277	int fd = s_fileno_croak (fh, 0);
1016	dREQ;	1278	dREQ;
1017		1279
…		…
1033	PPCODE:	1295	PPCODE:
1034	{	1296	{
1035	dREQ;	1297	dREQ;
1036		1298
1037	req->sv1 = newSVsv (fh_or_path);	1299	req->sv1 = newSVsv (fh_or_path);
1038		1300	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
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
1050	REQ_SEND;	1301	REQ_SEND;
1051	}	1302	}
		1303
		1304	UV
		1305	major (UV dev)
		1306	ALIAS:
		1307	minor = 1
		1308	CODE:
		1309	RETVAL = ix ? major (dev) : minor (dev);
		1310	OUTPUT:
		1311	RETVAL
		1312
		1313	UV
		1314	makedev (UV maj, UV min)
		1315	CODE:
		1316	RETVAL = makedev (maj, min);
		1317	OUTPUT:
		1318	RETVAL
1052		1319
1053	void	1320	void
1054	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1321	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1055	PPCODE:	1322	PPCODE:
1056	{	1323	{
1057	dREQ;	1324	dREQ;
1058		1325
1059	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1326	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1327	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061	req->sv1 = newSVsv (fh_or_path);	1328	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		1329
1074	REQ_SEND;	1330	REQ_SEND;
1075	}	1331	}
1076		1332
1077	void	1333	void
1078	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1334	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1079	PPCODE:	1335	PPCODE:
1080	{	1336	{
1081	dREQ;	1337	dREQ;
1082		1338
1083	req->sv1 = newSVsv (fh_or_path);
1084	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1339	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085		1340	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		1341
1097	REQ_SEND;	1342	REQ_SEND;
1098	}	1343	}
1099		1344
1100	void	1345	void
1101	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1346	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:	1347	PPCODE:
1106	{	1348	{
1107	dREQ;	1349	dREQ;
1108		1350
1109	req->int2 = mode;	1351	req->int2 = mode;
1110	req->sv1 = newSVsv (fh_or_path);	1352	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		1353
1123	REQ_SEND;	1354	REQ_SEND;
1124	}	1355	}
1125		1356
1126	void	1357	void
…		…
1129	{	1360	{
1130	dREQ;	1361	dREQ;
1131		1362
1132	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1363	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1364	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134	req->sv1 = newSVsv (fh_or_path);	1365	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		1366
1147	REQ_SEND;	1367	REQ_SEND;
1148	}	1368	}
1149		1369
1150	void	1370	void
…		…
1152	PPCODE:	1372	PPCODE:
1153	{	1373	{
1154	dREQ;	1374	dREQ;
1155		1375
1156	req->type = EIO_READDIR;	1376	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;	1377	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160		1378
1161	if (flags & EIO_READDIR_DENTS)	1379	if (flags & EIO_READDIR_DENTS)
1162	req->int1 |= EIO_READDIR_CUSTOM2;	1380	req->int1 |= EIO_READDIR_CUSTOM2;
1163		1381
		1382	req_set_path1 (req, pathname);
		1383
1164	REQ_SEND;	1384	REQ_SEND;
		1385	}
		1386
		1387	void
		1388	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1389	PPCODE:
		1390	{
		1391	dREQ;
		1392
		1393	req->type = EIO_MKDIR;
		1394	req->int2 = mode;
		1395	req_set_path1 (req, pathname);
		1396
		1397	REQ_SEND;
1165	}	1398	}
1166		1399
1167	void	1400	void
1168	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1401	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1169	ALIAS:	1402	ALIAS:
…		…
1173	PPCODE:	1406	PPCODE:
1174	{	1407	{
1175	dREQ;	1408	dREQ;
1176		1409
1177	req->type = ix;	1410	req->type = ix;
1178	req->sv1 = newSVsv (pathname);	1411	req_set_path1 (req, pathname);
1179	req->ptr1 = SvPVbyte_nolen (req->sv1);
1180		1412
1181	REQ_SEND;	1413	REQ_SEND;
1182	}	1414	}
1183		1415
1184	void	1416	void
…		…
1188	aio_symlink = EIO_SYMLINK	1420	aio_symlink = EIO_SYMLINK
1189	aio_rename = EIO_RENAME	1421	aio_rename = EIO_RENAME
1190	PPCODE:	1422	PPCODE:
1191	{	1423	{
1192	dREQ;	1424	dREQ;
		1425	eio_wd wd2 = 0;
1193		1426
1194	req->type = ix;	1427	req->type = ix;
1195	req->sv1 = newSVsv (oldpath);	1428	req_set_path1 (req, oldpath);
1196	req->ptr1 = SvPVbyte_nolen (req->sv1);	1429	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197	req->sv2 = newSVsv (newpath);	1430	req->int3 = (long)wd2;
1198	req->ptr2 = SvPVbyte_nolen (req->sv2);
1199		1431
1200	REQ_SEND;	1432	REQ_SEND;
1201	}	1433	}
1202		1434
1203	void	1435	void
…		…
1205	PPCODE:	1437	PPCODE:
1206	{	1438	{
1207	dREQ;	1439	dREQ;
1208		1440
1209	req->type = EIO_MKNOD;	1441	req->type = EIO_MKNOD;
1210	req->sv1 = newSVsv (pathname);
1211	req->ptr1 = SvPVbyte_nolen (req->sv1);
1212	req->int2 = (mode_t)mode;	1442	req->int2 = (mode_t)mode;
1213	req->offs = dev;	1443	req->offs = dev;
		1444	req_set_path1 (req, pathname);
1214		1445
1215	REQ_SEND;	1446	REQ_SEND;
1216	}	1447	}
1217		1448
1218	void	1449	void
1219	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1450	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1220	ALIAS:	1451	ALIAS:
1221	aio_mtouch = EIO_MTOUCH	1452	aio_mtouch = EIO_MTOUCH
1222	aio_msync = EIO_MSYNC	1453	aio_msync = EIO_MSYNC
1223	PROTOTYPE: $$$$;$
1224	PPCODE:	1454	PPCODE:
1225	{	1455	{
1226	STRLEN svlen;	1456	STRLEN svlen;
		1457	char *svptr = SvPVbyte (data, svlen);
1227	UV len = SvUV (length);	1458	UV len = SvUV (length);
1228	char *svptr = SvPVbyte (data, svlen);
1229		1459
1230	if (offset < 0)	1460	if (offset < 0)
1231	offset += svlen;	1461	offset += svlen;
1232		1462
1233	if (offset < 0 || offset > svlen)	1463	if (offset < 0 || offset > svlen)
…		…
1238		1468
1239	{	1469	{
1240	dREQ;	1470	dREQ;
1241		1471
1242	req->type = ix;	1472	req->type = ix;
1243	req->size = len;
1244	req->sv2 = SvREFCNT_inc (data);	1473	req->sv2 = SvREFCNT_inc (data);
1245	req->ptr2 = (char *)svptr + offset;	1474	req->ptr2 = (char *)svptr + offset;
		1475	req->size = len;
1246	req->int1 = flags;	1476	req->int1 = flags;
1247		1477
1248	REQ_SEND;	1478	REQ_SEND;
1249	}	1479	}
1250	}	1480	}
1251		1481
1252	void	1482	void
		1483	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1484	PPCODE:
		1485	{
		1486	STRLEN svlen;
		1487	char *svptr = SvPVbyte (data, svlen);
		1488	UV len = SvUV (length);
		1489
		1490	if (offset < 0)
		1491	offset += svlen;
		1492
		1493	if (offset < 0 || offset > svlen)
		1494	croak ("offset outside of scalar");
		1495
		1496	if (!SvOK (length) || len + offset > svlen)
		1497	len = svlen - offset;
		1498
		1499	{
		1500	dREQ;
		1501
		1502	req->type = EIO_MLOCK;
		1503	req->sv2 = SvREFCNT_inc (data);
		1504	req->ptr2 = (char *)svptr + offset;
		1505	req->size = len;
		1506
		1507	REQ_SEND;
		1508	}
		1509	}
		1510
		1511	void
		1512	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1513	PPCODE:
		1514	{
		1515	dREQ;
		1516
		1517	req->type = EIO_MLOCKALL;
		1518	req->int1 = flags;
		1519
		1520	REQ_SEND;
		1521	}
		1522
		1523	void
1253	aio_busy (double delay, SV *callback=&PL_sv_undef)	1524	aio_busy (double delay, SV *callback=&PL_sv_undef)
1254	PPCODE:	1525	PPCODE:
1255	{	1526	{
1256	dREQ;	1527	dREQ;
1257		1528
…		…
1261	REQ_SEND;	1532	REQ_SEND;
1262	}	1533	}
1263		1534
1264	void	1535	void
1265	aio_group (SV *callback=&PL_sv_undef)	1536	aio_group (SV *callback=&PL_sv_undef)
1266	PROTOTYPE: ;$
1267	PPCODE:	1537	PPCODE:
1268	{	1538	{
1269	dREQ;	1539	dREQ;
1270		1540
1271	req->type = EIO_GROUP;	1541	req->type = EIO_GROUP;
…		…
1288	REQ_SEND;	1558	REQ_SEND;
1289	}	1559	}
1290		1560
1291	int	1561	int
1292	aioreq_pri (int pri = 0)	1562	aioreq_pri (int pri = 0)
1293	PROTOTYPE: ;$
1294	CODE:	1563	CODE:
1295	RETVAL = next_pri;	1564	RETVAL = next_pri;
1296	if (items > 0)	1565	if (items > 0)
1297	{	1566	{
1298	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1567	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1310	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1579	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311	next_pri = nice;	1580	next_pri = nice;
1312		1581
1313	void	1582	void
1314	flush ()	1583	flush ()
1315	PROTOTYPE:
1316	CODE:	1584	CODE:
1317	while (eio_nreqs ())	1585	while (eio_nreqs ())
1318	{	1586	{
1319	poll_wait ();	1587	poll_wait ();
1320	poll_cb ();	1588	poll_cb ();
1321	}	1589	}
1322		1590
1323	int	1591	int
1324	poll()	1592	poll ()
1325	PROTOTYPE:
1326	CODE:	1593	CODE:
1327	poll_wait ();	1594	poll_wait ();
1328	RETVAL = poll_cb ();	1595	RETVAL = poll_cb ();
1329	OUTPUT:	1596	OUTPUT:
1330	RETVAL	1597	RETVAL
1331		1598
1332	int	1599	int
1333	poll_fileno()	1600	poll_fileno ()
1334	PROTOTYPE:
1335	CODE:	1601	CODE:
1336	RETVAL = s_epipe_fd (&respipe);	1602	RETVAL = s_epipe_fd (&respipe);
1337	OUTPUT:	1603	OUTPUT:
1338	RETVAL	1604	RETVAL
1339		1605
1340	int	1606	int
1341	poll_cb(...)	1607	poll_cb (...)
1342	PROTOTYPE:	1608	PROTOTYPE:
1343	CODE:	1609	CODE:
1344	RETVAL = poll_cb ();	1610	RETVAL = poll_cb ();
1345	OUTPUT:	1611	OUTPUT:
1346	RETVAL	1612	RETVAL
1347		1613
1348	void	1614	void
1349	poll_wait()	1615	poll_wait ()
1350	PROTOTYPE:
1351	CODE:	1616	CODE:
1352	poll_wait ();	1617	poll_wait ();
1353		1618
1354	int	1619	int
1355	nreqs()	1620	nreqs ()
1356	PROTOTYPE:
1357	CODE:	1621	CODE:
1358	RETVAL = eio_nreqs ();	1622	RETVAL = eio_nreqs ();
1359	OUTPUT:	1623	OUTPUT:
1360	RETVAL	1624	RETVAL
1361		1625
1362	int	1626	int
1363	nready()	1627	nready ()
1364	PROTOTYPE:
1365	CODE:	1628	CODE:
1366	RETVAL = eio_nready ();	1629	RETVAL = eio_nready ();
1367	OUTPUT:	1630	OUTPUT:
1368	RETVAL	1631	RETVAL
1369		1632
1370	int	1633	int
1371	npending()	1634	npending ()
1372	PROTOTYPE:
1373	CODE:	1635	CODE:
1374	RETVAL = eio_npending ();	1636	RETVAL = eio_npending ();
1375	OUTPUT:	1637	OUTPUT:
1376	RETVAL	1638	RETVAL
1377		1639
1378	int	1640	int
1379	nthreads()	1641	nthreads ()
1380	PROTOTYPE:
1381	CODE:	1642	CODE:
1382	RETVAL = eio_nthreads ();	1643	RETVAL = eio_nthreads ();
1383	OUTPUT:	1644	OUTPUT:
1384	RETVAL	1645	RETVAL
1385		1646
1386	int	1647	int
1387	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1648	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388	PROTOTYPE: $$$$
1389	CODE:	1649	CODE:
1390	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391	RETVAL = posix_fadvise (fh, offset, length, advice);	1650	RETVAL = posix_fadvise (fh, offset, length, advice);
1392	#else
1393	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394	#endif
1395	OUTPUT:	1651	OUTPUT:
1396	RETVAL	1652	RETVAL
1397		1653
1398	ssize_t	1654	IV
1399	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1655	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400	PROTOTYPE: $$$$
1401	CODE:	1656	CODE:
1402	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1657	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403	OUTPUT:	1658	OUTPUT:
1404	RETVAL	1659	RETVAL
1405		1660
1406	void	1661	void
1407	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1662	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1408	PROTOTYPE: $$$$$;$
1409	PPCODE:	1663	PPCODE:
1410	sv_unmagic (scalar, MMAP_MAGIC);	1664	sv_unmagic (scalar, MMAP_MAGIC);
1411	{	1665	{
1412	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1666	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1667	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1436	XSRETURN_YES;	1690	XSRETURN_YES;
1437	}	1691	}
1438		1692
1439	void	1693	void
1440	munmap (SV *scalar)	1694	munmap (SV *scalar)
1441	PROTOTYPE: $
1442	CODE:	1695	CODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	1696	sv_unmagic (scalar, MMAP_MAGIC);
1444		1697
1445	int	1698	int
1446	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1699	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447	PROTOTYPE: $$$$	1700	ALIAS:
		1701	mprotect = 1
1448	CODE:	1702	CODE:
1449	{	1703	{
1450	char *addr = SvPV_nolen (scalar) + offset;	1704	STRLEN svlen;
		1705	void *addr = SvPVbyte (scalar, svlen);
		1706	size_t len = SvUV (length);
1451		1707
1452	if (!SvOK (ST (2)))	1708	if (offset < 0)
		1709	offset += svlen;
		1710
		1711	if (offset < 0 || offset > svlen)
		1712	croak ("offset outside of scalar");
		1713
		1714	if (!SvOK (length) || len + offset > svlen)
1453	length = SvCUR (scalar) - offset;	1715	len = svlen - offset;
1454		1716
1455	if (addr >= SvEND (scalar) || length <= 0)	1717	addr = (void *)(((intptr_t)addr) + offset);
1456	XSRETURN_EMPTY;	1718	eio_page_align (&addr, &len);
1457		1719
1458	#if _XOPEN_SOURCE >= 600 && !NO_MADVISE	1720	switch (ix)
		1721	{
1459	RETVAL = posix_madvise (addr, length, advice);	1722	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460	#else	1723	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461	RETVAL = errno = ENOSYS; /* yes, this is actually correct */	1724	}
1462	#endif
1463	}	1725	}
1464	OUTPUT:	1726	OUTPUT:
1465	RETVAL	1727	RETVAL
1466		1728
1467	int	1729	int
1468	mlockall (int flags)	1730	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1731	CODE:
		1732	{
		1733	STRLEN svlen;
		1734	void *addr = SvPVbyte (scalar, svlen);
		1735	size_t len = SvUV (length);
		1736
		1737	if (offset < 0)
		1738	offset += svlen;
		1739
		1740	if (offset < 0 || offset > svlen)
		1741	croak ("offset outside of scalar");
		1742
		1743	if (!SvOK (length) || len + offset > svlen)
		1744	len = svlen - offset;
		1745
		1746	addr = (void *)(((intptr_t)addr) + offset);
		1747	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1748	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1749	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	1750	#else
1478	RETVAL = -1;	1751	RETVAL = ((errno = ENOSYS), -1);
1479	errno = ENOSYS;
1480	#endif	1752	#endif
		1753	}
1481	OUTPUT:	1754	OUTPUT:
1482	RETVAL	1755	RETVAL
1483		1756
1484	int	1757	int
1485	munlockall ()	1758	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1759	CODE:
1488	#if _POSIX_MEMLOCK	1760	#if _POSIX_MEMLOCK
1489	munlockall ();	1761	munlockall ();
1490	#else	1762	#else
1491	RETVAL = -1;	1763	RETVAL = -1;
…		…
1499	SvREFCNT_dec (on_next_submit);	1771	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1772	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		1773
1502	PROTOTYPES: DISABLE	1774	PROTOTYPES: DISABLE
1503		1775
		1776	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1777
		1778	BOOT:
		1779	{
		1780	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1781	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1782	}
		1783
		1784	void
		1785	DESTROY (SV *self)
		1786	CODE:
		1787	{
		1788	aio_wd wd = SvAIO_WD (self);
		1789	#if HAVE_AT
		1790	SV *callback = &PL_sv_undef;
		1791	dREQ; /* clobbers next_pri :/ */
		1792	req->type = EIO_WD_CLOSE;
		1793	req->wd = wd;
		1794	REQ_SEND;
		1795	#else
		1796	eio_wd_close_sync (wd);
		1797	#endif
		1798	}
		1799
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1800	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		1801
1506	void	1802	void
1507	cancel (aio_req_ornot req)	1803	cancel (aio_req_ornot req)
1508	CODE:	1804	CODE:

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