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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.195 by root, Mon Sep 26 20:19:08 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
24
25	#if !_POSIX_MAPPED_FILES
26	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27	# define munmap(addr,length) (errno = ENOSYS, -1)
28	#endif	22	#endif
29		23
30	/* perl namespace pollution */	24	/* perl namespace pollution */
31	#undef VERSION	25	#undef VERSION
32
33	#ifdef _WIN32
34
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions
40	# undef open
41	# undef read
42	# undef write
43	# undef send
44	# undef recv
45	# undef stat
46	# undef fstat
47	# define lstat stat
48	# undef truncate
49	# undef ftruncate
50	# undef open
51	# undef close
52	# undef unlink
53	# undef rmdir
54	# undef rename
55	# undef lseek
56
57	# define chown(a,b,c) (errno = ENOSYS, -1)
58	# define fchown(a,b,c) (errno = ENOSYS, -1)
59	# define fchmod(a,b) (errno = ENOSYS, -1)
60	# define symlink(a,b) (errno = ENOSYS, -1)
61	# define readlink(a,b,c) (errno = ENOSYS, -1)
62	# define mknod(a,b,c) (errno = ENOSYS, -1)
63	# define truncate(a,b) (errno = ENOSYS, -1)
64	# define ftruncate(fd,o) chsize ((fd), (o))
65	# define fsync(fd) _commit (fd)
66	# define opendir(fd) (errno = ENOSYS, 0)
67	# define readdir(fd) (errno = ENOSYS, -1)
68	# define closedir(fd) (errno = ENOSYS, -1)
69	# define mkdir(a,b) mkdir (a)
70
71	#else
72
73	# include <sys/time.h>
74	# include <sys/select.h>
75	# include <unistd.h>
76	# include <utime.h>
77	# include <signal.h>
78	# define EIO_STRUCT_DIRENT struct dirent
79
80	#endif
81		26
82	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
83	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
84	#undef readdir	29	#undef readdir
85	#undef opendir	30	#undef opendir
86	#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
87		76
88	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
89		78
90	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
91	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
113		102
114	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
115	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
116	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
117		106
118	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
119		108
120	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
121	SV *callback; \	110	SV *callback; \
122	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
123	STRLEN stroffset; \	113	STRLEN stroffset; \
124	SV *self;	114	SV *self;
125		115
126	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
127		117
		118	#include "libeio/config.h"
128	#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
129		173
130	#ifndef POSIX_FADV_NORMAL	174	#ifndef POSIX_FADV_NORMAL
131	# define POSIX_FADV_NORMAL 0	175	# define POSIX_FADV_NORMAL 0
132	# define NO_FADVISE 1
133	#endif	176	#endif
134	#ifndef POSIX_FADV_SEQUENTIAL	177	#ifndef POSIX_FADV_SEQUENTIAL
135	# define POSIX_FADV_SEQUENTIAL 0	178	# define POSIX_FADV_SEQUENTIAL 0
136	#endif	179	#endif
137	#ifndef POSIX_FADV_RANDOM	180	#ifndef POSIX_FADV_RANDOM
…		…
145	#endif	188	#endif
146	#ifndef POSIX_FADV_DONTNEED	189	#ifndef POSIX_FADV_DONTNEED
147	# define POSIX_FADV_DONTNEED 0	190	# define POSIX_FADV_DONTNEED 0
148	#endif	191	#endif
149		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		197	#ifndef POSIX_MADV_NORMAL
		198	# define POSIX_MADV_NORMAL 0
		199	#endif
		200	#ifndef POSIX_MADV_SEQUENTIAL
		201	# define POSIX_MADV_SEQUENTIAL 0
		202	#endif
		203	#ifndef POSIX_MADV_RANDOM
		204	# define POSIX_MADV_RANDOM 0
		205	#endif
		206	#ifndef POSIX_MADV_WILLNEED
		207	# define POSIX_MADV_WILLNEED 0
		208	#endif
		209	#ifndef POSIX_MADV_DONTNEED
		210	# define POSIX_MADV_DONTNEED 0
		211	#endif
		212
		213	#if !HAVE_POSIX_MADVISE
		214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		215	#endif
		216
		217	#ifndef PROT_NONE
		218	# define PROT_NONE 0
		219	#endif
		220	#ifndef PROT_READ
		221	# define PROT_READ 0
		222	#endif
		223	#ifndef PROT_WRITE
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_EXEC
		227	# define PROT_EXEC 0
		228	#endif
		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
150	#ifndef ST_NODEV	236	#ifndef ST_NODEV
151	# define ST_NODEV 0	237	# define ST_NODEV 0
152	#endif	238	#endif
153	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
154	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
176	#endif	262	#endif
177	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
178	# define ST_RELATIME 0	264	# define ST_RELATIME 0
179	#endif	265	#endif
180		266
181	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
182	# define MCL_CURRENT 0	268	# define S_IFIFO 0
183	#endif	269	#endif
184	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
185	# 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
186	#endif	290	#endif
187		291
188	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
189	# ifdef MAP_ANON	293	# ifdef MAP_ANON
190	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
206	#endif	310	#endif
207	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
208	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
209	#endif	313	#endif
210		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
211	#ifndef PAGESIZE	325	#ifndef PAGESIZE
212	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
213	#endif	327	#endif
214
215	static int req_invoke (eio_req *req);
216	#define EIO_FINISH(req) req_invoke (req)
217	static void req_destroy (eio_req *grp);
218	#define EIO_DESTROY(req) req_destroy (req)
219		328
220	enum {	329	enum {
221	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222	};	331	};
223		332
224	#include "libeio/eio.c"
225
226	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
227	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd *aio_wd;
228		336
229	static SV *on_next_submit;	337	static SV *on_next_submit;
230	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
231	static int max_outstanding;	339	static int max_outstanding;
232		340
…		…
270	croak ("object of class IO::AIO::REQ expected");	378	croak ("object of class IO::AIO::REQ expected");
271		379
272	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
273		381
274	return mg ? (aio_req)mg->mg_ptr : 0;	382	return mg ? (aio_req)mg->mg_ptr : 0;
		383	}
		384
		385	static aio_wd SvAIO_WD (SV *sv)
		386	{
		387	if (!SvROK (sv)
		388	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		389	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		390	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		391
		392	return (aio_wd)(long)SvIVX (SvRV (sv));
275	}	393	}
276		394
277	static void aio_grp_feed (aio_req grp)	395	static void aio_grp_feed (aio_req grp)
278	{	396	{
279	if (grp->sv2 && SvOK (grp->sv2))	397	if (grp->sv2 && SvOK (grp->sv2))
…		…
309	}	427	}
310	}	428	}
311		429
312	static int req_invoke (eio_req *req)	430	static int req_invoke (eio_req *req)
313	{	431	{
314	dSP;
315
316	if (req->flags & FLAG_SV2_RO_OFF)	432	if (req->flags & FLAG_SV2_RO_OFF)
317	SvREADONLY_off (req->sv2);	433	SvREADONLY_off (req->sv2);
318		434
319	if (!EIO_CANCELLED (req) && req->callback)	435	if (!EIO_CANCELLED (req) && req->callback)
320	{	436	{
		437	dSP;
		438	static SV *sv_result_cache; /* caches the result integer SV */
		439	SV *sv_result;
		440
321	ENTER;	441	ENTER;
322	SAVETMPS;	442	SAVETMPS;
323	PUSHMARK (SP);	443	PUSHMARK (SP);
324	EXTEND (SP, 1);	444	EXTEND (SP, 1);
325		445
		446	/* do not recreate the result IV from scratch each time */
		447	if (expect_true (sv_result_cache))
		448	{
		449	sv_result = sv_result_cache; sv_result_cache = 0;
		450	SvIV_set (sv_result, req->result);
		451	SvIOK_only (sv_result);
		452	}
		453	else
		454	{
		455	sv_result = newSViv (req->result);
		456	SvREADONLY_on (sv_result);
		457	}
		458
326	switch (req->type)	459	switch (req->type)
327	{	460	{
		461	case EIO_WD_OPEN:
		462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));
		463	break;
		464
328	case EIO_READDIR:	465	case EIO_READDIR:
329	{	466	{
330	SV *rv = &PL_sv_undef;	467	SV *rv = &PL_sv_undef;
331		468
332	if (req->result >= 0)	469	if (req->result >= 0)
…		…
420	case EIO_STATVFS:	557	case EIO_STATVFS:
421	case EIO_FSTATVFS:	558	case EIO_FSTATVFS:
422	{	559	{
423	SV *rv = &PL_sv_undef;	560	SV *rv = &PL_sv_undef;
424		561
		562	#ifndef _WIN32
425	if (req->result >= 0)	563	if (req->result >= 0)
426	{	564	{
427	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	565	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428	HV *hv = newHV ();	566	HV *hv = newHV ();
429		567
…		…
439	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	577	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	578	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
441	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	579	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	580	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443	}	581	}
		582	#endif
444		583
445	PUSHs (rv);	584	PUSHs (rv);
446	}	585	}
447		586
448	break;	587	break;
…		…
464	case EIO_NOP:	603	case EIO_NOP:
465	case EIO_BUSY:	604	case EIO_BUSY:
466	break;	605	break;
467		606
468	case EIO_READLINK:	607	case EIO_READLINK:
		608	case EIO_REALPATH:
469	if (req->result > 0)	609	if (req->result > 0)
470	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	610	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471	break;	611	break;
472		612
473	case EIO_STAT:	613	case EIO_STAT:
474	case EIO_LSTAT:	614	case EIO_LSTAT:
475	case EIO_FSTAT:	615	case EIO_FSTAT:
476	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
477	PL_laststatval = req->result;	617	PL_laststatval = req->result;
		618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
478	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	619	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479	PUSHs (sv_2mortal (newSViv (req->result)));	620	PUSHs (sv_result);
480	break;	621	break;
481		622
482	case EIO_READ:	623	case EIO_READ:
483	{	624	{
484	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	625	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485	*SvEND (req->sv2) = 0;	626	*SvEND (req->sv2) = 0;
486	SvPOK_only (req->sv2);	627	SvPOK_only (req->sv2);
487	SvSETMAGIC (req->sv2);	628	SvSETMAGIC (req->sv2);
488	PUSHs (sv_2mortal (newSViv (req->result)));	629	PUSHs (sv_result);
489	}	630	}
490	break;	631	break;
491		632
492	case EIO_DUP2:	633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493	if (req->result > 0)	634	if (req->result > 0)
494	req->result = 0;	635	SvIV_set (sv_result, 0);
495	/* FALLTHROUGH */	636	/* FALLTHROUGH */
496		637
497	default:	638	default:
498	PUSHs (sv_2mortal (newSViv (req->result)));	639	PUSHs (sv_result);
499	break;	640	break;
500	}	641	}
501		642
502	errno = req->errorno;	643	errno = req->errorno;
503		644
504	PUTBACK;	645	PUTBACK;
505	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	646	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506	SPAGAIN;	647	SPAGAIN;
		648
		649	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		650	SvREFCNT_dec (sv_result);
		651	else
		652	sv_result_cache = sv_result;
507		653
508	FREETMPS;	654	FREETMPS;
509	LEAVE;	655	LEAVE;
510		656
511	PUTBACK;	657	PUTBACK;
…		…
522	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
523	}	669	}
524		670
525	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
526	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
527	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
528		676
529	Safefree (req);	677	Safefree (req);
530	}	678	}
531		679
532	static void req_cancel_subs (aio_req grp)	680	static void req_cancel_subs (aio_req grp)
533	{	681	{
534	aio_req sub;
535
536	if (grp->type != EIO_GROUP)	682	if (grp->type != EIO_GROUP)
537	return;	683	return;
538		684
539	SvREFCNT_dec (grp->sv2);	685	SvREFCNT_dec (grp->sv2);
540	grp->sv2 = 0;	686	grp->sv2 = 0;
541		687
542	eio_grp_cancel (grp);	688	eio_grp_cancel (grp);
543	}	689	}
544		690
545	static void
546	create_respipe (void)	691	static void create_respipe (void)
547	{	692	{
548	if (s_epipe_renew (&respipe))	693	if (s_epipe_renew (&respipe))
549	croak ("IO::AIO: unable to initialize result pipe");	694	croak ("IO::AIO: unable to initialize result pipe");
550	}	695	}
551		696
…		…
582		727
583	poll_wait ();	728	poll_wait ();
584	}	729	}
585	}	730	}
586		731
587	static void atfork_child (void)	732	static void ecb_cold
		733	reinit (void)
588	{	734	{
589	create_respipe ();	735	create_respipe ();
		736
		737	if (eio_init (want_poll, done_poll) < 0)
		738	croak ("IO::AIO: unable to initialise eio library");
590	}	739	}
591		740
592	/*****************************************************************************/	741	/*****************************************************************************/
593		742
		743	#if !_POSIX_MAPPED_FILES
		744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		745	# define munmap(addr,length) (errno = ENOSYS, -1)
		746	#endif
		747
		748	#if !_POSIX_MEMORY_PROTECTION
		749	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		750	# define PROT_NONE 0
		751	# define PROT_WRITE 0
		752	# define MAP_PRIVATE 0
		753	# define MAP_SHARED 0
		754	# define MAP_FIXED 0
		755	#endif
		756
594	#define MMAP_MAGIC PERL_MAGIC_ext	757	#define MMAP_MAGIC PERL_MAGIC_ext
595		758
596	static int
597	mmap_free (pTHX_ SV *sv, MAGIC *mg)	759	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
598	{	760	{
599	int old_errno = errno;	761	int old_errno = errno;
600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601	errno = old_errno;	763	errno = old_errno;
602		764
603	mg->mg_obj = 0; /* just in case */	765	mg->mg_obj = 0; /* just in case */
604		766
605	SvREADONLY_off (sv);	767	SvREADONLY_off (sv);
		768
		769	if (SvPVX (sv) != mg->mg_ptr)
		770	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		771
606	SvCUR_set (sv, 0);	772	SvCUR_set (sv, 0);
607	SvLEN_set (sv, 0);
608	SvPVX (sv) = 0;	773	SvPVX (sv) = 0;
609	SvOK_off (sv);	774	SvOK_off (sv);
610		775
611	return 0;	776	return 0;
612	}	777	}
…		…
615	0, 0, 0, 0, mmap_free	780	0, 0, 0, 0, mmap_free
616	};	781	};
617		782
618	/*****************************************************************************/	783	/*****************************************************************************/
619		784
620	static SV *
621	get_cb (SV *cb_sv)	785	static SV * get_cb (SV *cb_sv)
622	{	786	{
623	SvGETMAGIC (cb_sv);	787	SvGETMAGIC (cb_sv);
624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625	}	789	}
626		790
…		…
645	SPAGAIN; \	809	SPAGAIN; \
646	\	810	\
647	if (GIMME_V != G_VOID) \	811	if (GIMME_V != G_VOID) \
648	XPUSHs (req_sv (req, aio_req_stash));	812	XPUSHs (req_sv (req, aio_req_stash));
649		813
		814	static void
		815	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		816	{
		817	if (SvROK (path))
		818	{
		819	AV *av = (AV *)SvRV (path);
		820	SV *wdob;
		821
		822	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		824
		825	path = AvARRAY (av)[1];
		826	wdob = AvARRAY (av)[0];
		827
		828	*wd = SvAIO_WD (wdob);
		829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		830	}
		831
		832	*pathsv = newSVsv (path);
		833	*ptr = SvPVbyte_nolen (*pathsv);
		834	}
		835
		836	static void
		837	req_set_path1 (aio_req req, SV *path)
		838	{
		839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		840	}
		841
		842	static void
		843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		844	{
		845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		846
		847	switch (SvTYPE (rv))
		848	{
		849	case SVt_PVIO:
		850	case SVt_PVLV:
		851	case SVt_PVGV:
		852	req->type = type_fh;
		853	req->sv1 = newSVsv (fh_or_path);
		854	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		855	break;
		856
		857	default:
		858	req->type = type_path;
		859	req_set_path1 (req, fh_or_path);
		860	break;
		861	}
		862
		863	}
		864
650	MODULE = IO::AIO PACKAGE = IO::AIO	865	MODULE = IO::AIO PACKAGE = IO::AIO
651		866
652	PROTOTYPES: ENABLE	867	PROTOTYPES: ENABLE
653		868
654	BOOT:	869	BOOT:
…		…
662	# define const_eio(name) { # name, (IV) EIO_ ## name },	877	# define const_eio(name) { # name, (IV) EIO_ ## name },
663	const_iv (EXDEV)	878	const_iv (EXDEV)
664	const_iv (ENOSYS)	879	const_iv (ENOSYS)
665	const_iv (O_RDONLY)	880	const_iv (O_RDONLY)
666	const_iv (O_WRONLY)	881	const_iv (O_WRONLY)
		882	const_iv (O_RDWR)
667	const_iv (O_CREAT)	883	const_iv (O_CREAT)
668	const_iv (O_TRUNC)	884	const_iv (O_TRUNC)
669	#ifndef _WIN32	885	const_iv (O_EXCL)
		886	const_iv (O_APPEND)
		887
		888	const_iv (O_ASYNC)
		889	const_iv (O_DIRECT)
		890	const_iv (O_NOATIME)
		891
		892	const_iv (O_CLOEXEC)
		893	const_iv (O_NOCTTY)
		894	const_iv (O_NOFOLLOW)
		895	const_iv (O_NONBLOCK)
		896	const_iv (O_EXEC)
		897	const_iv (O_SEARCH)
		898	const_iv (O_DIRECTORY)
		899	const_iv (O_DSYNC)
		900	const_iv (O_RSYNC)
		901	const_iv (O_SYNC)
		902	const_iv (O_TTY_INIT)
		903
670	const_iv (S_IFIFO)	904	const_iv (S_IFIFO)
671	#endif	905	const_iv (S_IFCHR)
		906	const_iv (S_IFBLK)
		907	const_iv (S_IFLNK)
		908	const_iv (S_IFREG)
		909	const_iv (S_IFDIR)
		910	const_iv (S_IFWHT)
		911	const_iv (S_IFSOCK)
		912	const_iv (S_IFMT)
		913
672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	914	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	915	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	916	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	917	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	918	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	919	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		920
		921	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		922	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		923	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		924	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		925	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678		926
679	const_iv (ST_RDONLY)	927	const_iv (ST_RDONLY)
680	const_iv (ST_NOSUID)	928	const_iv (ST_NOSUID)
681	const_iv (ST_NODEV)	929	const_iv (ST_NODEV)
682	const_iv (ST_NOEXEC)	930	const_iv (ST_NOEXEC)
…		…
687	const_iv (ST_IMMUTABLE)	935	const_iv (ST_IMMUTABLE)
688	const_iv (ST_NOATIME)	936	const_iv (ST_NOATIME)
689	const_iv (ST_NODIRATIME)	937	const_iv (ST_NODIRATIME)
690	const_iv (ST_RELATIME)	938	const_iv (ST_RELATIME)
691		939
		940	const_iv (PROT_NONE)
692	const_iv (PROT_EXEC)	941	const_iv (PROT_EXEC)
693	const_iv (PROT_NONE)
694	const_iv (PROT_READ)	942	const_iv (PROT_READ)
695	const_iv (PROT_WRITE)	943	const_iv (PROT_WRITE)
696		944
697	/*const_iv (MAP_FIXED)*/	945	/*const_iv (MAP_FIXED)*/
698	const_iv (MAP_PRIVATE)	946	const_iv (MAP_PRIVATE)
…		…
704	const_iv (MAP_LOCKED)	952	const_iv (MAP_LOCKED)
705	const_iv (MAP_NORESERVE)	953	const_iv (MAP_NORESERVE)
706	const_iv (MAP_POPULATE)	954	const_iv (MAP_POPULATE)
707	const_iv (MAP_NONBLOCK)	955	const_iv (MAP_NONBLOCK)
708		956
709	const_iv (MCL_FUTURE)	957	const_eio (MCL_FUTURE)
710	const_iv (MCL_CURRENT)	958	const_eio (MCL_CURRENT)
711		959
712	const_eio (MS_ASYNC)	960	const_eio (MS_ASYNC)
713	const_eio (MS_INVALIDATE)	961	const_eio (MS_INVALIDATE)
714	const_eio (MS_SYNC)	962	const_eio (MS_SYNC)
715		963
716	const_eio (MT_MODIFY)	964	const_eio (MT_MODIFY)
717		965
718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719	const_eio (SYNC_FILE_RANGE_WRITE)	967	const_eio (SYNC_FILE_RANGE_WRITE)
720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		969
		970	const_eio (FALLOC_FL_KEEP_SIZE)
721		971
722	const_eio (READDIR_DENTS)	972	const_eio (READDIR_DENTS)
723	const_eio (READDIR_DIRS_FIRST)	973	const_eio (READDIR_DIRS_FIRST)
724	const_eio (READDIR_STAT_ORDER)	974	const_eio (READDIR_STAT_ORDER)
725	const_eio (READDIR_FOUND_UNKNOWN)	975	const_eio (READDIR_FOUND_UNKNOWN)
…		…
736	};	986	};
737		987
738	aio_stash = gv_stashpv ("IO::AIO" , 1);	988	aio_stash = gv_stashpv ("IO::AIO" , 1);
739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	989	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	990	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		991	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741		992
742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	993	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
743	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	994	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744		995
745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	996	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746		997
747	create_respipe ();	998	reinit ();
748
749	if (eio_init (want_poll, done_poll) < 0)
750	croak ("IO::AIO: unable to initialise eio library");
751
752	/* atfork child called in fifo order, so before eio's handler */
753	X_THREAD_ATFORK (0, 0, atfork_child);
754	}	999	}
755		1000
756	void	1001	void
		1002	reinit ()
		1003	PROTOTYPE:
		1004
		1005	void
757	max_poll_reqs (int nreqs)	1006	max_poll_reqs (unsigned int nreqs)
758	PROTOTYPE: $	1007	PROTOTYPE: $
759	CODE:	1008	CODE:
760	eio_set_max_poll_reqs (nreqs);	1009	eio_set_max_poll_reqs (nreqs);
761		1010
762	void	1011	void
…		…
764	PROTOTYPE: $	1013	PROTOTYPE: $
765	CODE:	1014	CODE:
766	eio_set_max_poll_time (nseconds);	1015	eio_set_max_poll_time (nseconds);
767		1016
768	void	1017	void
769	min_parallel (int nthreads)	1018	min_parallel (unsigned int nthreads)
770	PROTOTYPE: $	1019	PROTOTYPE: $
771	CODE:	1020	CODE:
772	eio_set_min_parallel (nthreads);	1021	eio_set_min_parallel (nthreads);
773		1022
774	void	1023	void
775	max_parallel (int nthreads)	1024	max_parallel (unsigned int nthreads)
776	PROTOTYPE: $	1025	PROTOTYPE: $
777	CODE:	1026	CODE:
778	eio_set_max_parallel (nthreads);	1027	eio_set_max_parallel (nthreads);
779		1028
780	void	1029	void
781	max_idle (int nthreads)	1030	max_idle (unsigned int nthreads)
782	PROTOTYPE: $	1031	PROTOTYPE: $
783	CODE:	1032	CODE:
784	eio_set_max_idle (nthreads);	1033	eio_set_max_idle (nthreads);
785		1034
786	void	1035	void
		1036	idle_timeout (unsigned int seconds)
		1037	PROTOTYPE: $
		1038	CODE:
		1039	eio_set_idle_timeout (seconds);
		1040
		1041	void
787	max_outstanding (int maxreqs)	1042	max_outstanding (unsigned int maxreqs)
788	PROTOTYPE: $	1043	PROTOTYPE: $
789	CODE:	1044	CODE:
790	max_outstanding = maxreqs;	1045	max_outstanding = maxreqs;
791		1046
792	void	1047	void
		1048	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1049	PPCODE:
		1050	{
		1051	dREQ;
		1052
		1053	req->type = EIO_WD_OPEN;
		1054	req_set_path1 (req, pathname);
		1055
		1056	REQ_SEND;
		1057	}
		1058
		1059	void
793	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1060	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794	PROTOTYPE: $$$;$
795	PPCODE:	1061	PPCODE:
796	{	1062	{
797	dREQ;	1063	dREQ;
798		1064
799	req->type = EIO_OPEN;	1065	req->type = EIO_OPEN;
800	req->sv1 = newSVsv (pathname);	1066	req_set_path1 (req, pathname);
801	req->ptr1 = SvPVbyte_nolen (req->sv1);
802	req->int1 = flags;	1067	req->int1 = flags;
803	req->int2 = mode;	1068	req->int2 = mode;
804		1069
805	REQ_SEND;	1070	REQ_SEND;
806	}	1071	}
807		1072
808	void	1073	void
809	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1074	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810	PROTOTYPE: $;$
811	ALIAS:	1075	ALIAS:
812	aio_fsync = EIO_FSYNC	1076	aio_fsync = EIO_FSYNC
813	aio_fdatasync = EIO_FDATASYNC	1077	aio_fdatasync = EIO_FDATASYNC
		1078	aio_syncfs = EIO_SYNCFS
814	PPCODE:	1079	PPCODE:
815	{	1080	{
816	int fd = s_fileno_croak (fh, 0);	1081	int fd = s_fileno_croak (fh, 0);
817	dREQ;	1082	dREQ;
818		1083
…		…
823	REQ_SEND (req);	1088	REQ_SEND (req);
824	}	1089	}
825		1090
826	void	1091	void
827	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1092	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828	PROTOTYPE: $$$$;$
829	PPCODE:	1093	PPCODE:
830	{	1094	{
831	int fd = s_fileno_croak (fh, 0);	1095	int fd = s_fileno_croak (fh, 0);
832	dREQ;	1096	dREQ;
833		1097
…		…
840		1104
841	REQ_SEND (req);	1105	REQ_SEND (req);
842	}	1106	}
843		1107
844	void	1108	void
845	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1109	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
846	PROTOTYPE: $;$
847	PPCODE:	1110	PPCODE:
848	{	1111	{
849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850	int fd = s_fileno_croak (fh, 0);	1112	int fd = s_fileno_croak (fh, 0);
851	dREQ;	1113	dREQ;
852		1114
853	if (close_pipe < 0)	1115	req->type = EIO_FALLOCATE;
		1116	req->sv1 = newSVsv (fh);
		1117	req->int1 = fd;
		1118	req->int2 = mode;
		1119	req->offs = offset;
		1120	req->size = len;
		1121
		1122	REQ_SEND (req);
		1123	}
		1124
		1125	void
		1126	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1127	PPCODE:
		1128	{
		1129	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1130	int fd = s_fileno_croak (fh, 0);
		1131	dREQ;
		1132
		1133	if (expect_false (close_fd < 0))
854	{	1134	{
855	int pipefd [2];	1135	int pipefd [2];
856		1136
		1137	if (
		1138	#ifdef _WIN32
		1139	_pipe (pipefd, 1, _O_BINARY) < 0
		1140	#else
857	if (pipe (pipefd) < 0	1141	pipe (pipefd) < 0
858	|| close (pipefd [1]) < 0
859	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1142	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1143	#endif
		1144	|| close (pipefd [1]) < 0
		1145	)
860	abort (); /*D*/	1146	abort (); /*D*/
861		1147
862	close_pipe = pipefd [0];	1148	close_fd = pipefd [0];
863	}	1149	}
864		1150
865	req->type = EIO_DUP2;	1151	req->type = EIO_DUP2;
866	req->int1 = close_pipe;	1152	req->int1 = close_fd;
867	req->sv2 = newSVsv (fh);	1153	req->sv2 = newSVsv (fh);
868	req->int2 = fd;	1154	req->int2 = fd;
869		1155
870	REQ_SEND (req);	1156	REQ_SEND (req);
871	}	1157	}
…		…
873	void	1159	void
874	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1160	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875	ALIAS:	1161	ALIAS:
876	aio_read = EIO_READ	1162	aio_read = EIO_READ
877	aio_write = EIO_WRITE	1163	aio_write = EIO_WRITE
878	PROTOTYPE: $$$$$;$
879	PPCODE:	1164	PPCODE:
880	{	1165	{
881	STRLEN svlen;	1166	STRLEN svlen;
882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1167	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883	char *svptr = SvPVbyte (data, svlen);	1168	char *svptr = SvPVbyte (data, svlen);
…		…
923	REQ_SEND;	1208	REQ_SEND;
924	}	1209	}
925	}	1210	}
926		1211
927	void	1212	void
928	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1213	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
929	PROTOTYPE: $$;$	1214	ALIAS:
		1215	aio_readlink = EIO_READLINK
		1216	aio_realpath = EIO_REALPATH
930	PPCODE:	1217	PPCODE:
931	{	1218	{
932	SV *data;
933	dREQ;	1219	dREQ;
934		1220
935	req->type = EIO_READLINK;	1221	req->type = ix;
936	req->sv1 = newSVsv (path);	1222	req_set_path1 (req, pathname);
937	req->ptr1 = SvPVbyte_nolen (req->sv1);
938		1223
939	REQ_SEND;	1224	REQ_SEND;
940	}	1225	}
941		1226
942	void	1227	void
943	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1228	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944	PROTOTYPE: $$$$;$
945	PPCODE:	1229	PPCODE:
946	{	1230	{
947	int ifd = s_fileno_croak (in_fh , 0);	1231	int ifd = s_fileno_croak (in_fh , 0);
948	int ofd = s_fileno_croak (out_fh, 1);	1232	int ofd = s_fileno_croak (out_fh, 1);
949	dREQ;	1233	dREQ;
…		…
959	REQ_SEND;	1243	REQ_SEND;
960	}	1244	}
961		1245
962	void	1246	void
963	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1247	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964	PROTOTYPE: $$$;$
965	PPCODE:	1248	PPCODE:
966	{	1249	{
967	int fd = s_fileno_croak (fh, 0);	1250	int fd = s_fileno_croak (fh, 0);
968	dREQ;	1251	dREQ;
969		1252
…		…
985	PPCODE:	1268	PPCODE:
986	{	1269	{
987	dREQ;	1270	dREQ;
988		1271
989	req->sv1 = newSVsv (fh_or_path);	1272	req->sv1 = newSVsv (fh_or_path);
990		1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
991	if (SvPOK (req->sv1))
992	{
993	req->type = ix;
994	req->ptr1 = SvPVbyte_nolen (req->sv1);
995	}
996	else
997	{
998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000	}
1001
1002	REQ_SEND;	1274	REQ_SEND;
1003	}	1275	}
		1276
		1277	UV
		1278	major (UV dev)
		1279	ALIAS:
		1280	minor = 1
		1281	CODE:
		1282	RETVAL = ix ? major (dev) : minor (dev);
		1283	OUTPUT:
		1284	RETVAL
		1285
		1286	UV
		1287	makedev (UV maj, UV min)
		1288	CODE:
		1289	RETVAL = makedev (maj, min);
		1290	OUTPUT:
		1291	RETVAL
1004		1292
1005	void	1293	void
1006	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1294	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007	PPCODE:	1295	PPCODE:
1008	{	1296	{
1009	dREQ;	1297	dREQ;
1010		1298
1011	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1299	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1300	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013	req->sv1 = newSVsv (fh_or_path);	1301	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015	if (SvPOK (req->sv1))
1016	{
1017	req->type = EIO_UTIME;
1018	req->ptr1 = SvPVbyte_nolen (req->sv1);
1019	}
1020	else
1021	{
1022	req->type = EIO_FUTIME;
1023	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024	}
1025		1302
1026	REQ_SEND;	1303	REQ_SEND;
1027	}	1304	}
1028		1305
1029	void	1306	void
1030	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1307	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1031	PPCODE:	1308	PPCODE:
1032	{	1309	{
1033	dREQ;	1310	dREQ;
1034		1311
1035	req->sv1 = newSVsv (fh_or_path);
1036	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1312	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037		1313	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038	if (SvPOK (req->sv1))
1039	{
1040	req->type = EIO_TRUNCATE;
1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
1042	}
1043	else
1044	{
1045	req->type = EIO_FTRUNCATE;
1046	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047	}
1048		1314
1049	REQ_SEND;	1315	REQ_SEND;
1050	}	1316	}
1051		1317
1052	void	1318	void
…		…
1057	PPCODE:	1323	PPCODE:
1058	{	1324	{
1059	dREQ;	1325	dREQ;
1060		1326
1061	req->int2 = mode;	1327	req->int2 = mode;
1062	req->sv1 = newSVsv (fh_or_path);	1328	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064	if (SvPOK (req->sv1))
1065	{
1066	req->type = ix;
1067	req->ptr1 = SvPVbyte_nolen (req->sv1);
1068	}
1069	else
1070	{
1071	req->type = EIO_FCHMOD;
1072	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073	}
1074		1329
1075	REQ_SEND;	1330	REQ_SEND;
1076	}	1331	}
1077		1332
1078	void	1333	void
…		…
1081	{	1336	{
1082	dREQ;	1337	dREQ;
1083		1338
1084	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1339	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1340	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088	if (SvPOK (req->sv1))
1089	{
1090	req->type = EIO_CHOWN;
1091	req->ptr1 = SvPVbyte_nolen (req->sv1);
1092	}
1093	else
1094	{
1095	req->type = EIO_FCHOWN;
1096	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097	}
1098		1342
1099	REQ_SEND;	1343	REQ_SEND;
1100	}	1344	}
1101		1345
1102	void	1346	void
…		…
1125	PPCODE:	1369	PPCODE:
1126	{	1370	{
1127	dREQ;	1371	dREQ;
1128		1372
1129	req->type = ix;	1373	req->type = ix;
1130	req->sv1 = newSVsv (pathname);	1374	req_set_path1 (req, pathname);
1131	req->ptr1 = SvPVbyte_nolen (req->sv1);
1132		1375
1133	REQ_SEND;	1376	REQ_SEND;
1134	}	1377	}
1135		1378
1136	void	1379	void
…		…
1140	aio_symlink = EIO_SYMLINK	1383	aio_symlink = EIO_SYMLINK
1141	aio_rename = EIO_RENAME	1384	aio_rename = EIO_RENAME
1142	PPCODE:	1385	PPCODE:
1143	{	1386	{
1144	dREQ;	1387	dREQ;
		1388	eio_wd wd2;
1145		1389
1146	req->type = ix;	1390	req->type = ix;
1147	req->sv1 = newSVsv (oldpath);	1391	req_set_path1 (req, oldpath);
1148	req->ptr1 = SvPVbyte_nolen (req->sv1);	1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149	req->sv2 = newSVsv (newpath);	1393	req->int3 = (long)wd2;
1150	req->ptr2 = SvPVbyte_nolen (req->sv2);
1151		1394
1152	REQ_SEND;	1395	REQ_SEND;
1153	}	1396	}
1154		1397
1155	void	1398	void
…		…
1157	PPCODE:	1400	PPCODE:
1158	{	1401	{
1159	dREQ;	1402	dREQ;
1160		1403
1161	req->type = EIO_MKNOD;	1404	req->type = EIO_MKNOD;
1162	req->sv1 = newSVsv (pathname);
1163	req->ptr1 = SvPVbyte_nolen (req->sv1);
1164	req->int2 = (mode_t)mode;	1405	req->int2 = (mode_t)mode;
1165	req->offs = dev;	1406	req->offs = dev;
		1407	req_set_path1 (req, pathname);
1166		1408
1167	REQ_SEND;	1409	REQ_SEND;
1168	}	1410	}
1169		1411
1170	void	1412	void
1171	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1413	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172	ALIAS:	1414	ALIAS:
1173	aio_mtouch = EIO_MTOUCH	1415	aio_mtouch = EIO_MTOUCH
1174	aio_msync = EIO_MSYNC	1416	aio_msync = EIO_MSYNC
1175	PROTOTYPE: $$$$;$
1176	PPCODE:	1417	PPCODE:
1177	{	1418	{
1178	STRLEN svlen;	1419	STRLEN svlen;
		1420	char *svptr = SvPVbyte (data, svlen);
1179	UV len = SvUV (length);	1421	UV len = SvUV (length);
1180	char *svptr = SvPVbyte (data, svlen);
1181		1422
1182	if (offset < 0)	1423	if (offset < 0)
1183	offset += svlen;	1424	offset += svlen;
1184		1425
1185	if (offset < 0 || offset > svlen)	1426	if (offset < 0 || offset > svlen)
…		…
1190		1431
1191	{	1432	{
1192	dREQ;	1433	dREQ;
1193		1434
1194	req->type = ix;	1435	req->type = ix;
1195	req->size = len;
1196	req->sv2 = SvREFCNT_inc (data);	1436	req->sv2 = SvREFCNT_inc (data);
1197	req->ptr2 = (char *)svptr + offset;	1437	req->ptr2 = (char *)svptr + offset;
		1438	req->size = len;
1198	req->int1 = flags;	1439	req->int1 = flags;
1199		1440
1200	REQ_SEND;	1441	REQ_SEND;
1201	}	1442	}
1202	}	1443	}
1203		1444
1204	void	1445	void
		1446	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1447	PPCODE:
		1448	{
		1449	STRLEN svlen;
		1450	char *svptr = SvPVbyte (data, svlen);
		1451	UV len = SvUV (length);
		1452
		1453	if (offset < 0)
		1454	offset += svlen;
		1455
		1456	if (offset < 0 || offset > svlen)
		1457	croak ("offset outside of scalar");
		1458
		1459	if (!SvOK (length) || len + offset > svlen)
		1460	len = svlen - offset;
		1461
		1462	{
		1463	dREQ;
		1464
		1465	req->type = EIO_MLOCK;
		1466	req->sv2 = SvREFCNT_inc (data);
		1467	req->ptr2 = (char *)svptr + offset;
		1468	req->size = len;
		1469
		1470	REQ_SEND;
		1471	}
		1472	}
		1473
		1474	void
		1475	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1476	PPCODE:
		1477	{
		1478	dREQ;
		1479
		1480	req->type = EIO_MLOCKALL;
		1481	req->int1 = flags;
		1482
		1483	REQ_SEND;
		1484	}
		1485
		1486	void
1205	aio_busy (double delay, SV *callback=&PL_sv_undef)	1487	aio_busy (double delay, SV *callback=&PL_sv_undef)
1206	PPCODE:	1488	PPCODE:
1207	{	1489	{
1208	dREQ;	1490	dREQ;
1209		1491
…		…
1213	REQ_SEND;	1495	REQ_SEND;
1214	}	1496	}
1215		1497
1216	void	1498	void
1217	aio_group (SV *callback=&PL_sv_undef)	1499	aio_group (SV *callback=&PL_sv_undef)
1218	PROTOTYPE: ;$
1219	PPCODE:	1500	PPCODE:
1220	{	1501	{
1221	dREQ;	1502	dREQ;
1222		1503
1223	req->type = EIO_GROUP;	1504	req->type = EIO_GROUP;
…		…
1240	REQ_SEND;	1521	REQ_SEND;
1241	}	1522	}
1242		1523
1243	int	1524	int
1244	aioreq_pri (int pri = 0)	1525	aioreq_pri (int pri = 0)
1245	PROTOTYPE: ;$
1246	CODE:	1526	CODE:
1247	RETVAL = next_pri;	1527	RETVAL = next_pri;
1248	if (items > 0)	1528	if (items > 0)
1249	{	1529	{
1250	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1530	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1262	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1542	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263	next_pri = nice;	1543	next_pri = nice;
1264		1544
1265	void	1545	void
1266	flush ()	1546	flush ()
1267	PROTOTYPE:
1268	CODE:	1547	CODE:
1269	while (eio_nreqs ())	1548	while (eio_nreqs ())
1270	{	1549	{
1271	poll_wait ();	1550	poll_wait ();
1272	poll_cb ();	1551	poll_cb ();
1273	}	1552	}
1274		1553
1275	int	1554	int
1276	poll()	1555	poll ()
1277	PROTOTYPE:
1278	CODE:	1556	CODE:
1279	poll_wait ();	1557	poll_wait ();
1280	RETVAL = poll_cb ();	1558	RETVAL = poll_cb ();
1281	OUTPUT:	1559	OUTPUT:
1282	RETVAL	1560	RETVAL
1283		1561
1284	int	1562	int
1285	poll_fileno()	1563	poll_fileno ()
1286	PROTOTYPE:
1287	CODE:	1564	CODE:
1288	RETVAL = s_epipe_fd (&respipe);	1565	RETVAL = s_epipe_fd (&respipe);
1289	OUTPUT:	1566	OUTPUT:
1290	RETVAL	1567	RETVAL
1291		1568
1292	int	1569	int
1293	poll_cb(...)	1570	poll_cb (...)
1294	PROTOTYPE:	1571	PROTOTYPE:
1295	CODE:	1572	CODE:
1296	RETVAL = poll_cb ();	1573	RETVAL = poll_cb ();
1297	OUTPUT:	1574	OUTPUT:
1298	RETVAL	1575	RETVAL
1299		1576
1300	void	1577	void
1301	poll_wait()	1578	poll_wait ()
1302	PROTOTYPE:
1303	CODE:	1579	CODE:
1304	poll_wait ();	1580	poll_wait ();
1305		1581
1306	int	1582	int
1307	nreqs()	1583	nreqs ()
1308	PROTOTYPE:
1309	CODE:	1584	CODE:
1310	RETVAL = eio_nreqs ();	1585	RETVAL = eio_nreqs ();
1311	OUTPUT:	1586	OUTPUT:
1312	RETVAL	1587	RETVAL
1313		1588
1314	int	1589	int
1315	nready()	1590	nready ()
1316	PROTOTYPE:
1317	CODE:	1591	CODE:
1318	RETVAL = eio_nready ();	1592	RETVAL = eio_nready ();
1319	OUTPUT:	1593	OUTPUT:
1320	RETVAL	1594	RETVAL
1321		1595
1322	int	1596	int
1323	npending()	1597	npending ()
1324	PROTOTYPE:
1325	CODE:	1598	CODE:
1326	RETVAL = eio_npending ();	1599	RETVAL = eio_npending ();
1327	OUTPUT:	1600	OUTPUT:
1328	RETVAL	1601	RETVAL
1329		1602
1330	int	1603	int
1331	nthreads()	1604	nthreads ()
1332	PROTOTYPE:
1333	CODE:	1605	CODE:
1334	RETVAL = eio_nthreads ();	1606	RETVAL = eio_nthreads ();
1335	OUTPUT:	1607	OUTPUT:
1336	RETVAL	1608	RETVAL
1337		1609
1338	int	1610	int
1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1611	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340	PROTOTYPE: $$$$
1341	CODE:	1612	CODE:
1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343	RETVAL = posix_fadvise (fh, offset, length, advice);	1613	RETVAL = posix_fadvise (fh, offset, length, advice);
1344	#else
1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346	#endif
1347	OUTPUT:	1614	OUTPUT:
1348	RETVAL	1615	RETVAL
1349		1616
1350	ssize_t	1617	IV
1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1618	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352	PROTOTYPE: $$$$
1353	CODE:	1619	CODE:
1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355	OUTPUT:	1621	OUTPUT:
1356	RETVAL	1622	RETVAL
1357		1623
1358	void	1624	void
1359	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1625	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360	PROTOTYPE: $$$$$;$
1361	PPCODE:	1626	PPCODE:
1362	sv_unmagic (scalar, MMAP_MAGIC);	1627	sv_unmagic (scalar, MMAP_MAGIC);
1363	{	1628	{
1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1629	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1630	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366	if (addr == (void *)-1)	1631	if (addr == (void *)-1)
1367	XSRETURN_NO;	1632	XSRETURN_NO;
1368		1633
		1634	sv_force_normal (scalar);
		1635
1369	/* we store the length in mg_obj, as namlen is I32 :/ */	1636	/* we store the length in mg_obj, as namlen is I32 :/ */
1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1637	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371	->mg_obj = (SV *)length;	1638	->mg_obj = (SV *)length;
1372		1639
1373	SvUPGRADE (scalar, SVt_PV); /* nop... */	1640	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1641
1374	if (!(prot & PROT_WRITE))	1642	if (!(prot & PROT_WRITE))
1375	SvREADONLY_on (scalar);	1643	SvREADONLY_on (scalar);
		1644
		1645	if (SvLEN (scalar))
		1646	Safefree (SvPVX (scalar));
1376		1647
1377	SvPVX (scalar) = (char *)addr;	1648	SvPVX (scalar) = (char *)addr;
1378	SvCUR_set (scalar, length);	1649	SvCUR_set (scalar, length);
1379	SvLEN_set (scalar, 0);	1650	SvLEN_set (scalar, 0);
1380	SvPOK_only (scalar);	1651	SvPOK_only (scalar);
…		…
1382	XSRETURN_YES;	1653	XSRETURN_YES;
1383	}	1654	}
1384		1655
1385	void	1656	void
1386	munmap (SV *scalar)	1657	munmap (SV *scalar)
1387	PROTOTYPE: $
1388	CODE:	1658	CODE:
1389	sv_unmagic (scalar, MMAP_MAGIC);	1659	sv_unmagic (scalar, MMAP_MAGIC);
1390		1660
1391	int	1661	int
1392	mlockall (int flags)	1662	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393	PROTOTYPE: $	1663	ALIAS:
		1664	mprotect = 1
1394	CODE:	1665	CODE:
		1666	{
		1667	STRLEN svlen;
		1668	void *addr = SvPVbyte (scalar, svlen);
		1669	size_t len = SvUV (length);
		1670
		1671	if (offset < 0)
		1672	offset += svlen;
		1673
		1674	if (offset < 0 || offset > svlen)
		1675	croak ("offset outside of scalar");
		1676
		1677	if (!SvOK (length) || len + offset > svlen)
		1678	len = svlen - offset;
		1679
		1680	addr = (void *)(((intptr_t)addr) + offset);
		1681	eio_page_align (&addr, &len);
		1682
		1683	switch (ix)
		1684	{
		1685	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1686	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1687	}
		1688	}
		1689	OUTPUT:
		1690	RETVAL
		1691
		1692	int
		1693	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1694	CODE:
		1695	{
		1696	STRLEN svlen;
		1697	void *addr = SvPVbyte (scalar, svlen);
		1698	size_t len = SvUV (length);
		1699
		1700	if (offset < 0)
		1701	offset += svlen;
		1702
		1703	if (offset < 0 || offset > svlen)
		1704	croak ("offset outside of scalar");
		1705
		1706	if (!SvOK (length) || len + offset > svlen)
		1707	len = svlen - offset;
		1708
		1709	addr = (void *)(((intptr_t)addr) + offset);
		1710	eio_page_align (&addr, &len);
1395	#if _POSIX_MEMLOCK	1711	#if _POSIX_MEMLOCK_RANGE
1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1712	RETVAL = munlock (addr, len);
1397	extern int mallopt (int, int);
1398	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399	#endif
1400	mlockall (flags);
1401	#else	1713	#else
1402	RETVAL = -1;	1714	RETVAL = ((errno = ENOSYS), -1);
1403	errno = ENOSYS;
1404	#endif	1715	#endif
		1716	}
1405	OUTPUT:	1717	OUTPUT:
1406	RETVAL	1718	RETVAL
1407		1719
1408	int	1720	int
1409	munlockall ()	1721	munlockall ()
1410	PROTOTYPE:
1411	CODE:	1722	CODE:
1412	#if _POSIX_MEMLOCK	1723	#if _POSIX_MEMLOCK
1413	munlockall ();	1724	munlockall ();
1414	#else	1725	#else
1415	RETVAL = -1;	1726	RETVAL = -1;
…		…
1423	SvREFCNT_dec (on_next_submit);	1734	SvREFCNT_dec (on_next_submit);
1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1735	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425		1736
1426	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1427		1738
		1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1740
		1741	void
		1742	DESTROY (SV *self)
		1743	CODE:
		1744	{
		1745	aio_wd wd = SvAIO_WD (self);
		1746	#if HAVE_AT
		1747	SV *callback = &PL_sv_undef;
		1748	dREQ; /* clobbers next_pri :/ */
		1749	req->type = EIO_WD_CLOSE;
		1750	req->wd = wd;
		1751	REQ_SEND;
		1752	#else
		1753	eio_wd_close_sync (wd);
		1754	#endif
		1755	}
		1756
1428	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1757	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429		1758
1430	void	1759	void
1431	cancel (aio_req_ornot req)	1760	cancel (aio_req_ornot req)
1432	CODE:	1761	CODE:

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