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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 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
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
170	#ifndef PROT_NONE	217	#ifndef PROT_NONE
171	# define PROT_NONE 0	218	# define PROT_NONE 0
…		…
178	#endif	225	#endif
179	#ifndef PROT_EXEC	226	#ifndef PROT_EXEC
180	# define PROT_EXEC 0	227	# define PROT_EXEC 0
181	#endif	228	#endif
182		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
183	#ifndef ST_NODEV	236	#ifndef ST_NODEV
184	# define ST_NODEV 0	237	# define ST_NODEV 0
185	#endif	238	#endif
186	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
187	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
209	#endif	262	#endif
210	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
211	# define ST_RELATIME 0	264	# define ST_RELATIME 0
212	#endif	265	#endif
213		266
214	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
215	# define MCL_CURRENT 0	268	# define S_IFIFO 0
216	#endif	269	#endif
217	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
218	# 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
219	#endif	290	#endif
220		291
221	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
222	# ifdef MAP_ANON	293	# ifdef MAP_ANON
223	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
239	#endif	310	#endif
240	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
241	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
242	#endif	313	#endif
243		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
244	#ifndef PAGESIZE	325	#ifndef PAGESIZE
245	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
246	#endif	327	#endif
247
248	static int req_invoke (eio_req *req);
249	#define EIO_FINISH(req) req_invoke (req)
250	static void req_destroy (eio_req *grp);
251	#define EIO_DESTROY(req) req_destroy (req)
252		328
253	enum {	329	enum {
254	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
255	};	331	};
256		332
257	#include "libeio/eio.c"
258
259	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
260	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
261		336
262	static SV *on_next_submit;	337	static SV *on_next_submit;
263	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
264	static int max_outstanding;	339	static int max_outstanding;
265		340
266	static s_epipe respipe;	341	static s_epipe respipe;
267		342
268	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
269	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
270		345
271	static void want_poll (void)	346	static void
		347	want_poll (void)
272	{	348	{
273	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
274	s_epipe_signal (&respipe);	350	s_epipe_signal (&respipe);
275	}	351	}
276		352
277	static void done_poll (void)	353	static void
		354	done_poll (void)
278	{	355	{
279	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
280	s_epipe_drain (&respipe);	357	s_epipe_drain (&respipe);
281	}	358	}
282		359
283	/* must be called at most once */	360	/* must be called at most once */
		361	static SV *
284	static SV *req_sv (aio_req req, HV *stash)	362	req_sv (aio_req req, HV *stash)
285	{	363	{
286	if (!req->self)	364	if (!req->self)
287	{	365	{
288	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
289	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
290	}	368	}
291		369
292	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
293	}	371	}
294		372
295	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)
296	{	381	{
297	MAGIC *mg;	382	MAGIC *mg;
298		383
299	if (!SvROK (sv)	384	if (!SvROK (sv)
300	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
…		…
305	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	390	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
306		391
307	return mg ? (aio_req)mg->mg_ptr : 0;	392	return mg ? (aio_req)mg->mg_ptr : 0;
308	}	393	}
309		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
310	static void aio_grp_feed (aio_req grp)	407	aio_grp_feed (aio_req grp)
311	{	408	{
312	if (grp->sv2 && SvOK (grp->sv2))	409	if (grp->sv2 && SvOK (grp->sv2))
313	{	410	{
314	dSP;	411	dSP;
315		412
…		…
323	FREETMPS;	420	FREETMPS;
324	LEAVE;	421	LEAVE;
325	}	422	}
326	}	423	}
327		424
		425	static void
328	static void req_submit (eio_req *req)	426	req_submit (eio_req *req)
329	{	427	{
330	eio_submit (req);	428	eio_submit (req);
331		429
332	if (expect_false (on_next_submit))	430	if (expect_false (on_next_submit))
333	{	431	{
…		…
340	PUTBACK;	438	PUTBACK;
341	call_sv (cb, G_DISCARD | G_EVAL);	439	call_sv (cb, G_DISCARD | G_EVAL);
342	}	440	}
343	}	441	}
344		442
		443	static int
345	static int req_invoke (eio_req *req)	444	req_invoke (eio_req *req)
346	{	445	{
347	if (req->flags & FLAG_SV2_RO_OFF)	446	if (req->flags & FLAG_SV2_RO_OFF)
348	SvREADONLY_off (req->sv2);	447	SvREADONLY_off (req->sv2);
349		448
350	if (!EIO_CANCELLED (req) && req->callback)	449	if (!EIO_CANCELLED (req) && req->callback)
…		…
361	/* do not recreate the result IV from scratch each time */	460	/* do not recreate the result IV from scratch each time */
362	if (expect_true (sv_result_cache))	461	if (expect_true (sv_result_cache))
363	{	462	{
364	sv_result = sv_result_cache; sv_result_cache = 0;	463	sv_result = sv_result_cache; sv_result_cache = 0;
365	SvIV_set (sv_result, req->result);	464	SvIV_set (sv_result, req->result);
		465	SvIOK_only (sv_result);
366	}	466	}
367	else	467	else
368	{	468	{
369	sv_result = newSViv (req->result);	469	sv_result = newSViv (req->result);
370	SvREADONLY_on (sv_result);	470	SvREADONLY_on (sv_result);
371	}	471	}
372		472
373	switch (req->type)	473	switch (req->type)
374	{	474	{
		475	case EIO_WD_OPEN:
		476	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		477	break;
		478
375	case EIO_READDIR:	479	case EIO_READDIR:
376	{	480	{
377	SV *rv = &PL_sv_undef;	481	SV *rv = &PL_sv_undef;
378		482
379	if (req->result >= 0)	483	if (req->result >= 0)
…		…
467	case EIO_STATVFS:	571	case EIO_STATVFS:
468	case EIO_FSTATVFS:	572	case EIO_FSTATVFS:
469	{	573	{
470	SV *rv = &PL_sv_undef;	574	SV *rv = &PL_sv_undef;
471		575
		576	#ifndef _WIN32
472	if (req->result >= 0)	577	if (req->result >= 0)
473	{	578	{
474	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
475	HV *hv = newHV ();	580	HV *hv = newHV ();
476		581
…		…
486	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);
487	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);
488	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);
489	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);
490	}	595	}
		596	#endif
491		597
492	PUSHs (rv);	598	PUSHs (rv);
493	}	599	}
494		600
495	break;	601	break;
…		…
511	case EIO_NOP:	617	case EIO_NOP:
512	case EIO_BUSY:	618	case EIO_BUSY:
513	break;	619	break;
514		620
515	case EIO_READLINK:	621	case EIO_READLINK:
		622	case EIO_REALPATH:
516	if (req->result > 0)	623	if (req->result > 0)
517	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	624	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
518	break;	625	break;
519		626
520	case EIO_STAT:	627	case EIO_STAT:
521	case EIO_LSTAT:	628	case EIO_LSTAT:
522	case EIO_FSTAT:	629	case EIO_FSTAT:
523	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	630	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		631
524	PL_laststatval = req->result;	632	if (!(PL_laststatval = req->result))
		633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
525	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		635
526	PUSHs (sv_result);	636	PUSHs (sv_result);
527	break;	637	break;
528		638
529	case EIO_READ:	639	case EIO_READ:
530	{	640	{
…		…
534	SvSETMAGIC (req->sv2);	644	SvSETMAGIC (req->sv2);
535	PUSHs (sv_result);	645	PUSHs (sv_result);
536	}	646	}
537	break;	647	break;
538		648
539	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 */
540	if (req->result > 0)	650	if (req->result > 0)
541	SvIV_set (sv_result, 0);	651	SvIV_set (sv_result, 0);
542	/* FALLTHROUGH */	652	/* FALLTHROUGH */
543		653
544	default:	654	default:
…		…
564	}	674	}
565		675
566	return !!SvTRUE (ERRSV);	676	return !!SvTRUE (ERRSV);
567	}	677	}
568		678
		679	static void
569	static void req_destroy (aio_req req)	680	req_destroy (aio_req req)
570	{	681	{
571	if (req->self)	682	if (req->self)
572	{	683	{
573	sv_unmagic (req->self, PERL_MAGIC_ext);	684	sv_unmagic (req->self, PERL_MAGIC_ext);
574	SvREFCNT_dec (req->self);	685	SvREFCNT_dec (req->self);
575	}	686	}
576		687
577	SvREFCNT_dec (req->sv1);	688	SvREFCNT_dec (req->sv1);
578	SvREFCNT_dec (req->sv2);	689	SvREFCNT_dec (req->sv2);
		690	SvREFCNT_dec (req->sv3);
		691	SvREFCNT_dec (req->sv4);
579	SvREFCNT_dec (req->callback);	692	SvREFCNT_dec (req->callback);
580		693
581	Safefree (req);	694	Safefree (req);
582	}	695	}
583		696
		697	static void
584	static void req_cancel_subs (aio_req grp)	698	req_cancel_subs (aio_req grp)
585	{	699	{
586	aio_req sub;
587
588	if (grp->type != EIO_GROUP)	700	if (grp->type != EIO_GROUP)
589	return;	701	return;
590		702
591	SvREFCNT_dec (grp->sv2);	703	SvREFCNT_dec (grp->sv2);
592	grp->sv2 = 0;	704	grp->sv2 = 0;
593		705
594	eio_grp_cancel (grp);	706	eio_grp_cancel (grp);
595	}	707	}
596		708
597	static void	709	static void ecb_cold
598	create_respipe (void)	710	create_respipe (void)
599	{	711	{
600	if (s_epipe_renew (&respipe))	712	if (s_epipe_renew (&respipe))
601	croak ("IO::AIO: unable to initialize result pipe");	713	croak ("IO::AIO: unable to initialize result pipe");
602	}	714	}
603		715
604	static void poll_wait (void)	716	static void
		717	poll_wait (void)
605	{	718	{
606	while (eio_nreqs ())	719	while (eio_nreqs ())
607	{	720	{
608	int size;	721	int size;
609		722
…		…
618		731
619	s_epipe_wait (&respipe);	732	s_epipe_wait (&respipe);
620	}	733	}
621	}	734	}
622		735
623	static int poll_cb (void)	736	static int
		737	poll_cb (void)
624	{	738	{
625	for (;;)	739	for (;;)
626	{	740	{
627	int res = eio_poll ();	741	int res = eio_poll ();
628		742
…		…
634		748
635	poll_wait ();	749	poll_wait ();
636	}	750	}
637	}	751	}
638		752
639	static void atfork_child (void)	753	static void ecb_cold
		754	reinit (void)
640	{	755	{
641	create_respipe ();	756	create_respipe ();
		757
		758	if (eio_init (want_poll, done_poll) < 0)
		759	croak ("IO::AIO: unable to initialise eio library");
642	}	760	}
643		761
644	/*****************************************************************************/	762	/*****************************************************************************/
645		763
646	#if !_POSIX_MAPPED_FILES	764	#if !_POSIX_MAPPED_FILES
647	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648	# define munmap(addr,length) (errno = ENOSYS, -1)	766	# define munmap(addr,length) (errno = ENOSYS, -1)
		767	#endif
		768
		769	#if !_POSIX_MEMORY_PROTECTION
649	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	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
650	#endif	776	#endif
651		777
652	#define MMAP_MAGIC PERL_MAGIC_ext	778	#define MMAP_MAGIC PERL_MAGIC_ext
653		779
654	static int	780	static int ecb_cold
655	mmap_free (pTHX_ SV *sv, MAGIC *mg)	781	mmap_free (pTHX_ SV *sv, MAGIC *mg)
656	{	782	{
657	int old_errno = errno;	783	int old_errno = errno;
658	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	784	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
659	errno = old_errno;	785	errno = old_errno;
…		…
705	req_submit (req); \	831	req_submit (req); \
706	SPAGAIN; \	832	SPAGAIN; \
707	\	833	\
708	if (GIMME_V != G_VOID) \	834	if (GIMME_V != G_VOID) \
709	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	}
710		891
711	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
712		893
713	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
714		895
…		…
728	const_iv (O_RDWR)	909	const_iv (O_RDWR)
729	const_iv (O_CREAT)	910	const_iv (O_CREAT)
730	const_iv (O_TRUNC)	911	const_iv (O_TRUNC)
731	const_iv (O_EXCL)	912	const_iv (O_EXCL)
732	const_iv (O_APPEND)	913	const_iv (O_APPEND)
733	#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
734	const_iv (S_IFIFO)	931	const_iv (S_IFIFO)
735	#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
736	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	941	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
737	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	942	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
738	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	943	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
739	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	944	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
740	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	945	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
774	const_iv (MAP_LOCKED)	979	const_iv (MAP_LOCKED)
775	const_iv (MAP_NORESERVE)	980	const_iv (MAP_NORESERVE)
776	const_iv (MAP_POPULATE)	981	const_iv (MAP_POPULATE)
777	const_iv (MAP_NONBLOCK)	982	const_iv (MAP_NONBLOCK)
778		983
779	const_iv (MCL_FUTURE)	984	const_eio (MCL_FUTURE)
780	const_iv (MCL_CURRENT)	985	const_eio (MCL_CURRENT)
781		986
782	const_eio (MS_ASYNC)	987	const_eio (MS_ASYNC)
783	const_eio (MS_INVALIDATE)	988	const_eio (MS_INVALIDATE)
784	const_eio (MS_SYNC)	989	const_eio (MS_SYNC)
785		990
786	const_eio (MT_MODIFY)	991	const_eio (MT_MODIFY)
787		992
788	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	993	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
789	const_eio (SYNC_FILE_RANGE_WRITE)	994	const_eio (SYNC_FILE_RANGE_WRITE)
790	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	995	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		996
		997	const_eio (FALLOC_FL_KEEP_SIZE)
791		998
792	const_eio (READDIR_DENTS)	999	const_eio (READDIR_DENTS)
793	const_eio (READDIR_DIRS_FIRST)	1000	const_eio (READDIR_DIRS_FIRST)
794	const_eio (READDIR_STAT_ORDER)	1001	const_eio (READDIR_STAT_ORDER)
795	const_eio (READDIR_FOUND_UNKNOWN)	1002	const_eio (READDIR_FOUND_UNKNOWN)
…		…
806	};	1013	};
807		1014
808	aio_stash = gv_stashpv ("IO::AIO" , 1);	1015	aio_stash = gv_stashpv ("IO::AIO" , 1);
809	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1016	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
810	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);
811		1019
812	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--)
813	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1021	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
814		1022
815	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1023	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
816		1024
817	create_respipe ();	1025	reinit ();
818
819	if (eio_init (want_poll, done_poll) < 0)
820	croak ("IO::AIO: unable to initialise eio library");
821
822	/* atfork child called in fifo order, so before eio's handler */
823	X_THREAD_ATFORK (0, 0, atfork_child);
824	}	1026	}
825		1027
826	void	1028	void
		1029	reinit ()
		1030	PROTOTYPE:
		1031
		1032	void
827	max_poll_reqs (int nreqs)	1033	max_poll_reqs (unsigned int nreqs)
828	PROTOTYPE: $	1034	PROTOTYPE: $
829	CODE:	1035	CODE:
830	eio_set_max_poll_reqs (nreqs);	1036	eio_set_max_poll_reqs (nreqs);
831		1037
832	void	1038	void
…		…
834	PROTOTYPE: $	1040	PROTOTYPE: $
835	CODE:	1041	CODE:
836	eio_set_max_poll_time (nseconds);	1042	eio_set_max_poll_time (nseconds);
837		1043
838	void	1044	void
839	min_parallel (int nthreads)	1045	min_parallel (unsigned int nthreads)
840	PROTOTYPE: $	1046	PROTOTYPE: $
841	CODE:	1047	CODE:
842	eio_set_min_parallel (nthreads);	1048	eio_set_min_parallel (nthreads);
843		1049
844	void	1050	void
845	max_parallel (int nthreads)	1051	max_parallel (unsigned int nthreads)
846	PROTOTYPE: $	1052	PROTOTYPE: $
847	CODE:	1053	CODE:
848	eio_set_max_parallel (nthreads);	1054	eio_set_max_parallel (nthreads);
849		1055
850	void	1056	void
851	max_idle (int nthreads)	1057	max_idle (unsigned int nthreads)
852	PROTOTYPE: $	1058	PROTOTYPE: $
853	CODE:	1059	CODE:
854	eio_set_max_idle (nthreads);	1060	eio_set_max_idle (nthreads);
855		1061
856	void	1062	void
		1063	idle_timeout (unsigned int seconds)
		1064	PROTOTYPE: $
		1065	CODE:
		1066	eio_set_idle_timeout (seconds);
		1067
		1068	void
857	max_outstanding (int maxreqs)	1069	max_outstanding (unsigned int maxreqs)
858	PROTOTYPE: $	1070	PROTOTYPE: $
859	CODE:	1071	CODE:
860	max_outstanding = maxreqs;	1072	max_outstanding = maxreqs;
861		1073
862	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
863	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)
864	PROTOTYPE: $$$;$
865	PPCODE:	1088	PPCODE:
866	{	1089	{
867	dREQ;	1090	dREQ;
868		1091
869	req->type = EIO_OPEN;	1092	req->type = EIO_OPEN;
870	req->sv1 = newSVsv (pathname);	1093	req_set_path1 (req, pathname);
871	req->ptr1 = SvPVbyte_nolen (req->sv1);
872	req->int1 = flags;	1094	req->int1 = flags;
873	req->int2 = mode;	1095	req->int2 = mode;
874		1096
875	REQ_SEND;	1097	REQ_SEND;
876	}	1098	}
877		1099
878	void	1100	void
879	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1101	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
880	PROTOTYPE: $;$
881	ALIAS:	1102	ALIAS:
882	aio_fsync = EIO_FSYNC	1103	aio_fsync = EIO_FSYNC
883	aio_fdatasync = EIO_FDATASYNC	1104	aio_fdatasync = EIO_FDATASYNC
		1105	aio_syncfs = EIO_SYNCFS
884	PPCODE:	1106	PPCODE:
885	{	1107	{
886	int fd = s_fileno_croak (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
887	dREQ;	1109	dREQ;
888		1110
…		…
893	REQ_SEND (req);	1115	REQ_SEND (req);
894	}	1116	}
895		1117
896	void	1118	void
897	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1119	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
898	PROTOTYPE: $$$$;$
899	PPCODE:	1120	PPCODE:
900	{	1121	{
901	int fd = s_fileno_croak (fh, 0);	1122	int fd = s_fileno_croak (fh, 0);
902	dREQ;	1123	dREQ;
903		1124
…		…
910		1131
911	REQ_SEND (req);	1132	REQ_SEND (req);
912	}	1133	}
913		1134
914	void	1135	void
915	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)
916	PROTOTYPE: $;$
917	PPCODE:	1137	PPCODE:
918	{	1138	{
919	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920	int fd = s_fileno_croak (fh, 0);	1139	int fd = s_fileno_croak (fh, 0);
921	dREQ;	1140	dREQ;
922		1141
923	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))
924	{	1161	{
925	int pipefd [2];	1162	int pipefd [2];
926		1163
		1164	if (
		1165	#ifdef _WIN32
		1166	_pipe (pipefd, 1, _O_BINARY) < 0
		1167	#else
927	if (pipe (pipefd) < 0	1168	pipe (pipefd) < 0
928	|| close (pipefd [1]) < 0
929	|| 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	)
930	abort (); /*D*/	1173	abort (); /*D*/
931		1174
932	close_pipe = pipefd [0];	1175	close_fd = pipefd [0];
933	}	1176	}
934		1177
935	req->type = EIO_DUP2;	1178	req->type = EIO_DUP2;
936	req->int1 = close_pipe;	1179	req->int1 = close_fd;
937	req->sv2 = newSVsv (fh);	1180	req->sv2 = newSVsv (fh);
938	req->int2 = fd;	1181	req->int2 = fd;
939		1182
940	REQ_SEND (req);	1183	REQ_SEND (req);
941	}	1184	}
…		…
943	void	1186	void
944	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)
945	ALIAS:	1188	ALIAS:
946	aio_read = EIO_READ	1189	aio_read = EIO_READ
947	aio_write = EIO_WRITE	1190	aio_write = EIO_WRITE
948	PROTOTYPE: $$$$$;$
949	PPCODE:	1191	PPCODE:
950	{	1192	{
951	STRLEN svlen;	1193	STRLEN svlen;
952	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1194	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953	char *svptr = SvPVbyte (data, svlen);	1195	char *svptr = SvPVbyte (data, svlen);
…		…
993	REQ_SEND;	1235	REQ_SEND;
994	}	1236	}
995	}	1237	}
996		1238
997	void	1239	void
998	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1240	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
999	PROTOTYPE: $$;$	1241	ALIAS:
		1242	aio_readlink = EIO_READLINK
		1243	aio_realpath = EIO_REALPATH
1000	PPCODE:	1244	PPCODE:
1001	{	1245	{
1002	SV *data;
1003	dREQ;	1246	dREQ;
1004		1247
1005	req->type = EIO_READLINK;	1248	req->type = ix;
1006	req->sv1 = newSVsv (path);	1249	req_set_path1 (req, pathname);
1007	req->ptr1 = SvPVbyte_nolen (req->sv1);
1008		1250
1009	REQ_SEND;	1251	REQ_SEND;
1010	}	1252	}
1011		1253
1012	void	1254	void
1013	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)
1014	PROTOTYPE: $$$$;$
1015	PPCODE:	1256	PPCODE:
1016	{	1257	{
1017	int ifd = s_fileno_croak (in_fh , 0);	1258	int ifd = s_fileno_croak (in_fh , 0);
1018	int ofd = s_fileno_croak (out_fh, 1);	1259	int ofd = s_fileno_croak (out_fh, 1);
1019	dREQ;	1260	dREQ;
…		…
1029	REQ_SEND;	1270	REQ_SEND;
1030	}	1271	}
1031		1272
1032	void	1273	void
1033	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1274	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1034	PROTOTYPE: $$$;$
1035	PPCODE:	1275	PPCODE:
1036	{	1276	{
1037	int fd = s_fileno_croak (fh, 0);	1277	int fd = s_fileno_croak (fh, 0);
1038	dREQ;	1278	dREQ;
1039		1279
…		…
1055	PPCODE:	1295	PPCODE:
1056	{	1296	{
1057	dREQ;	1297	dREQ;
1058		1298
1059	req->sv1 = newSVsv (fh_or_path);	1299	req->sv1 = newSVsv (fh_or_path);
1060		1300	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1061	if (SvPOK (req->sv1))
1062	{
1063	req->type = ix;
1064	req->ptr1 = SvPVbyte_nolen (req->sv1);
1065	}
1066	else
1067	{
1068	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1069	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070	}
1071
1072	REQ_SEND;	1301	REQ_SEND;
1073	}	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
1074		1319
1075	void	1320	void
1076	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)
1077	PPCODE:	1322	PPCODE:
1078	{	1323	{
1079	dREQ;	1324	dREQ;
1080		1325
1081	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1326	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1082	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1327	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1083	req->sv1 = newSVsv (fh_or_path);	1328	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1084
1085	if (SvPOK (req->sv1))
1086	{
1087	req->type = EIO_UTIME;
1088	req->ptr1 = SvPVbyte_nolen (req->sv1);
1089	}
1090	else
1091	{
1092	req->type = EIO_FUTIME;
1093	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1094	}
1095		1329
1096	REQ_SEND;	1330	REQ_SEND;
1097	}	1331	}
1098		1332
1099	void	1333	void
1100	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)
1101	PPCODE:	1335	PPCODE:
1102	{	1336	{
1103	dREQ;	1337	dREQ;
1104		1338
1105	req->sv1 = newSVsv (fh_or_path);
1106	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1339	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1107		1340	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1108	if (SvPOK (req->sv1))
1109	{
1110	req->type = EIO_TRUNCATE;
1111	req->ptr1 = SvPVbyte_nolen (req->sv1);
1112	}
1113	else
1114	{
1115	req->type = EIO_FTRUNCATE;
1116	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1117	}
1118		1341
1119	REQ_SEND;	1342	REQ_SEND;
1120	}	1343	}
1121		1344
1122	void	1345	void
1123	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)
1124	ALIAS:
1125	aio_chmod = EIO_CHMOD
1126	aio_mkdir = EIO_MKDIR
1127	PPCODE:	1347	PPCODE:
1128	{	1348	{
1129	dREQ;	1349	dREQ;
1130		1350
1131	req->int2 = mode;	1351	req->int2 = mode;
1132	req->sv1 = newSVsv (fh_or_path);	1352	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1133
1134	if (SvPOK (req->sv1))
1135	{
1136	req->type = ix;
1137	req->ptr1 = SvPVbyte_nolen (req->sv1);
1138	}
1139	else
1140	{
1141	req->type = EIO_FCHMOD;
1142	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1143	}
1144		1353
1145	REQ_SEND;	1354	REQ_SEND;
1146	}	1355	}
1147		1356
1148	void	1357	void
…		…
1151	{	1360	{
1152	dREQ;	1361	dREQ;
1153		1362
1154	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1363	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1155	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1364	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1156	req->sv1 = newSVsv (fh_or_path);	1365	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1157
1158	if (SvPOK (req->sv1))
1159	{
1160	req->type = EIO_CHOWN;
1161	req->ptr1 = SvPVbyte_nolen (req->sv1);
1162	}
1163	else
1164	{
1165	req->type = EIO_FCHOWN;
1166	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1167	}
1168		1366
1169	REQ_SEND;	1367	REQ_SEND;
1170	}	1368	}
1171		1369
1172	void	1370	void
…		…
1174	PPCODE:	1372	PPCODE:
1175	{	1373	{
1176	dREQ;	1374	dREQ;
1177		1375
1178	req->type = EIO_READDIR;	1376	req->type = EIO_READDIR;
1179	req->sv1 = newSVsv (pathname);
1180	req->ptr1 = SvPVbyte_nolen (req->sv1);
1181	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1377	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1182		1378
1183	if (flags & EIO_READDIR_DENTS)	1379	if (flags & EIO_READDIR_DENTS)
1184	req->int1 |= EIO_READDIR_CUSTOM2;	1380	req->int1 |= EIO_READDIR_CUSTOM2;
1185		1381
		1382	req_set_path1 (req, pathname);
		1383
1186	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;
1187	}	1398	}
1188		1399
1189	void	1400	void
1190	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1401	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1191	ALIAS:	1402	ALIAS:
…		…
1195	PPCODE:	1406	PPCODE:
1196	{	1407	{
1197	dREQ;	1408	dREQ;
1198		1409
1199	req->type = ix;	1410	req->type = ix;
1200	req->sv1 = newSVsv (pathname);	1411	req_set_path1 (req, pathname);
1201	req->ptr1 = SvPVbyte_nolen (req->sv1);
1202		1412
1203	REQ_SEND;	1413	REQ_SEND;
1204	}	1414	}
1205		1415
1206	void	1416	void
…		…
1210	aio_symlink = EIO_SYMLINK	1420	aio_symlink = EIO_SYMLINK
1211	aio_rename = EIO_RENAME	1421	aio_rename = EIO_RENAME
1212	PPCODE:	1422	PPCODE:
1213	{	1423	{
1214	dREQ;	1424	dREQ;
		1425	eio_wd wd2 = 0;
1215		1426
1216	req->type = ix;	1427	req->type = ix;
1217	req->sv1 = newSVsv (oldpath);	1428	req_set_path1 (req, oldpath);
1218	req->ptr1 = SvPVbyte_nolen (req->sv1);	1429	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1219	req->sv2 = newSVsv (newpath);	1430	req->int3 = (long)wd2;
1220	req->ptr2 = SvPVbyte_nolen (req->sv2);
1221		1431
1222	REQ_SEND;	1432	REQ_SEND;
1223	}	1433	}
1224		1434
1225	void	1435	void
…		…
1227	PPCODE:	1437	PPCODE:
1228	{	1438	{
1229	dREQ;	1439	dREQ;
1230		1440
1231	req->type = EIO_MKNOD;	1441	req->type = EIO_MKNOD;
1232	req->sv1 = newSVsv (pathname);
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	req->int2 = (mode_t)mode;	1442	req->int2 = (mode_t)mode;
1235	req->offs = dev;	1443	req->offs = dev;
		1444	req_set_path1 (req, pathname);
1236		1445
1237	REQ_SEND;	1446	REQ_SEND;
1238	}	1447	}
1239		1448
1240	void	1449	void
1241	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)
1242	ALIAS:	1451	ALIAS:
1243	aio_mtouch = EIO_MTOUCH	1452	aio_mtouch = EIO_MTOUCH
1244	aio_msync = EIO_MSYNC	1453	aio_msync = EIO_MSYNC
1245	PROTOTYPE: $$$$;$
1246	PPCODE:	1454	PPCODE:
1247	{	1455	{
1248	STRLEN svlen;	1456	STRLEN svlen;
		1457	char *svptr = SvPVbyte (data, svlen);
1249	UV len = SvUV (length);	1458	UV len = SvUV (length);
1250	char *svptr = SvPVbyte (data, svlen);
1251		1459
1252	if (offset < 0)	1460	if (offset < 0)
1253	offset += svlen;	1461	offset += svlen;
1254		1462
1255	if (offset < 0 || offset > svlen)	1463	if (offset < 0 || offset > svlen)
…		…
1260		1468
1261	{	1469	{
1262	dREQ;	1470	dREQ;
1263		1471
1264	req->type = ix;	1472	req->type = ix;
1265	req->size = len;
1266	req->sv2 = SvREFCNT_inc (data);	1473	req->sv2 = SvREFCNT_inc (data);
1267	req->ptr2 = (char *)svptr + offset;	1474	req->ptr2 = (char *)svptr + offset;
		1475	req->size = len;
1268	req->int1 = flags;	1476	req->int1 = flags;
1269		1477
1270	REQ_SEND;	1478	REQ_SEND;
1271	}	1479	}
1272	}	1480	}
1273		1481
1274	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
1275	aio_busy (double delay, SV *callback=&PL_sv_undef)	1524	aio_busy (double delay, SV *callback=&PL_sv_undef)
1276	PPCODE:	1525	PPCODE:
1277	{	1526	{
1278	dREQ;	1527	dREQ;
1279		1528
…		…
1283	REQ_SEND;	1532	REQ_SEND;
1284	}	1533	}
1285		1534
1286	void	1535	void
1287	aio_group (SV *callback=&PL_sv_undef)	1536	aio_group (SV *callback=&PL_sv_undef)
1288	PROTOTYPE: ;$
1289	PPCODE:	1537	PPCODE:
1290	{	1538	{
1291	dREQ;	1539	dREQ;
1292		1540
1293	req->type = EIO_GROUP;	1541	req->type = EIO_GROUP;
…		…
1310	REQ_SEND;	1558	REQ_SEND;
1311	}	1559	}
1312		1560
1313	int	1561	int
1314	aioreq_pri (int pri = 0)	1562	aioreq_pri (int pri = 0)
1315	PROTOTYPE: ;$
1316	CODE:	1563	CODE:
1317	RETVAL = next_pri;	1564	RETVAL = next_pri;
1318	if (items > 0)	1565	if (items > 0)
1319	{	1566	{
1320	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1567	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1332	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1579	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333	next_pri = nice;	1580	next_pri = nice;
1334		1581
1335	void	1582	void
1336	flush ()	1583	flush ()
1337	PROTOTYPE:
1338	CODE:	1584	CODE:
1339	while (eio_nreqs ())	1585	while (eio_nreqs ())
1340	{	1586	{
1341	poll_wait ();	1587	poll_wait ();
1342	poll_cb ();	1588	poll_cb ();
1343	}	1589	}
1344		1590
1345	int	1591	int
1346	poll()	1592	poll ()
1347	PROTOTYPE:
1348	CODE:	1593	CODE:
1349	poll_wait ();	1594	poll_wait ();
1350	RETVAL = poll_cb ();	1595	RETVAL = poll_cb ();
1351	OUTPUT:	1596	OUTPUT:
1352	RETVAL	1597	RETVAL
1353		1598
1354	int	1599	int
1355	poll_fileno()	1600	poll_fileno ()
1356	PROTOTYPE:
1357	CODE:	1601	CODE:
1358	RETVAL = s_epipe_fd (&respipe);	1602	RETVAL = s_epipe_fd (&respipe);
1359	OUTPUT:	1603	OUTPUT:
1360	RETVAL	1604	RETVAL
1361		1605
1362	int	1606	int
1363	poll_cb(...)	1607	poll_cb (...)
1364	PROTOTYPE:	1608	PROTOTYPE:
1365	CODE:	1609	CODE:
1366	RETVAL = poll_cb ();	1610	RETVAL = poll_cb ();
1367	OUTPUT:	1611	OUTPUT:
1368	RETVAL	1612	RETVAL
1369		1613
1370	void	1614	void
1371	poll_wait()	1615	poll_wait ()
1372	PROTOTYPE:
1373	CODE:	1616	CODE:
1374	poll_wait ();	1617	poll_wait ();
1375		1618
1376	int	1619	int
1377	nreqs()	1620	nreqs ()
1378	PROTOTYPE:
1379	CODE:	1621	CODE:
1380	RETVAL = eio_nreqs ();	1622	RETVAL = eio_nreqs ();
1381	OUTPUT:	1623	OUTPUT:
1382	RETVAL	1624	RETVAL
1383		1625
1384	int	1626	int
1385	nready()	1627	nready ()
1386	PROTOTYPE:
1387	CODE:	1628	CODE:
1388	RETVAL = eio_nready ();	1629	RETVAL = eio_nready ();
1389	OUTPUT:	1630	OUTPUT:
1390	RETVAL	1631	RETVAL
1391		1632
1392	int	1633	int
1393	npending()	1634	npending ()
1394	PROTOTYPE:
1395	CODE:	1635	CODE:
1396	RETVAL = eio_npending ();	1636	RETVAL = eio_npending ();
1397	OUTPUT:	1637	OUTPUT:
1398	RETVAL	1638	RETVAL
1399		1639
1400	int	1640	int
1401	nthreads()	1641	nthreads ()
1402	PROTOTYPE:
1403	CODE:	1642	CODE:
1404	RETVAL = eio_nthreads ();	1643	RETVAL = eio_nthreads ();
1405	OUTPUT:	1644	OUTPUT:
1406	RETVAL	1645	RETVAL
1407		1646
1408	int	1647	int
1409	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)
1410	PROTOTYPE: $$$$
1411	CODE:	1649	CODE:
1412	RETVAL = posix_fadvise (fh, offset, length, advice);	1650	RETVAL = posix_fadvise (fh, offset, length, advice);
1413	OUTPUT:	1651	OUTPUT:
1414	RETVAL	1652	RETVAL
1415		1653
1416	ssize_t	1654	IV
1417	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1655	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418	PROTOTYPE: $$$$
1419	CODE:	1656	CODE:
1420	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1657	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421	OUTPUT:	1658	OUTPUT:
1422	RETVAL	1659	RETVAL
1423		1660
1424	void	1661	void
1425	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1662	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1426	PROTOTYPE: $$$$$;$
1427	PPCODE:	1663	PPCODE:
1428	sv_unmagic (scalar, MMAP_MAGIC);	1664	sv_unmagic (scalar, MMAP_MAGIC);
1429	{	1665	{
1430	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1666	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1667	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1454	XSRETURN_YES;	1690	XSRETURN_YES;
1455	}	1691	}
1456		1692
1457	void	1693	void
1458	munmap (SV *scalar)	1694	munmap (SV *scalar)
1459	PROTOTYPE: $
1460	CODE:	1695	CODE:
1461	sv_unmagic (scalar, MMAP_MAGIC);	1696	sv_unmagic (scalar, MMAP_MAGIC);
1462		1697
1463	int	1698	int
1464	madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)	1699	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1465	ALIAS:	1700	ALIAS:
1466	mprotect = 1	1701	mprotect = 1
1467	PROTOTYPE: $$$$
1468	CODE:	1702	CODE:
1469	{	1703	{
1470	STRLEN cur;	1704	STRLEN svlen;
1471	char *addr = SvPVbyte (scalar, cur);	1705	void *addr = SvPVbyte (scalar, svlen);
		1706	size_t len = SvUV (length);
1472		1707
1473	if (offset > cur)	1708	if (offset < 0)
1474	RETVAL = errno = EFAULT;	1709	offset += svlen;
1475	else	1710
		1711	if (offset < 0 || offset > svlen)
		1712	croak ("offset outside of scalar");
		1713
		1714	if (!SvOK (length) || len + offset > svlen)
		1715	len = svlen - offset;
		1716
		1717	addr = (void *)(((intptr_t)addr) + offset);
		1718	eio_page_align (&addr, &len);
		1719
		1720	switch (ix)
1476	{	1721	{
1477	if (!SvOK (ST (2)))
1478	length = cur - offset;
1479
1480	if (offset + length > cur)
1481	RETVAL = errno = EFAULT;
1482	else
1483	switch (ix)
1484	{
1485	case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break;	1722	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486	case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;	1723	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487	}
1488	}	1724	}
1489	}	1725	}
1490	OUTPUT:	1726	OUTPUT:
1491	RETVAL	1727	RETVAL
1492		1728
1493	int	1729	int
1494	mlockall (int flags)	1730	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1495	PROTOTYPE: $
1496	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);
1497	#if _POSIX_MEMLOCK	1748	#if _POSIX_MEMLOCK_RANGE
1498	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1749	RETVAL = munlock (addr, len);
1499	extern int mallopt (int, int);
1500	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501	#endif
1502	mlockall (flags);
1503	#else	1750	#else
1504	RETVAL = -1;	1751	RETVAL = ((errno = ENOSYS), -1);
1505	errno = ENOSYS;
1506	#endif	1752	#endif
		1753	}
1507	OUTPUT:	1754	OUTPUT:
1508	RETVAL	1755	RETVAL
1509		1756
1510	int	1757	int
1511	munlockall ()	1758	munlockall ()
1512	PROTOTYPE:
1513	CODE:	1759	CODE:
1514	#if _POSIX_MEMLOCK	1760	#if _POSIX_MEMLOCK
1515	munlockall ();	1761	munlockall ();
1516	#else	1762	#else
1517	RETVAL = -1;	1763	RETVAL = -1;
…		…
1525	SvREFCNT_dec (on_next_submit);	1771	SvREFCNT_dec (on_next_submit);
1526	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1772	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1527		1773
1528	PROTOTYPES: DISABLE	1774	PROTOTYPES: DISABLE
1529		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
1530	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1800	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1531		1801
1532	void	1802	void
1533	cancel (aio_req_ornot req)	1803	cancel (aio_req_ornot req)
1534	CODE:	1804	CODE:

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