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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.164 by root, Tue May 4 21:14:01 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	22	#endif
24		23
25	/* perl namespace pollution */	24	/* perl namespace pollution */
26	#undef VERSION	25	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		26
77	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	29	#undef readdir
80	#undef opendir	30	#undef opendir
81	#undef closedir	31	#undef closedir
		32
		33	#ifdef _WIN32
		34
		35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
		39	#undef open
		40	#undef read
		41	#undef write
		42	#undef send
		43	#undef recv
		44	#undef stat
		45	#undef lstat
		46	#undef fstat
		47	#undef truncate
		48	#undef ftruncate
		49	#undef open
		50	#undef link
		51	#undef close
		52	#undef unlink
		53	#undef mkdir
		54	#undef rmdir
		55	#undef rename
		56	#undef lseek
		57	#undef opendir
		58	#undef readdir
		59	#undef closedir
		60	#undef chmod
		61	#undef fchmod
		62	#undef dup
		63	#undef dup2
		64	#undef abort
		65	#undef pipe
		66
		67	#else
		68
		69	#include <sys/time.h>
		70	#include <sys/select.h>
		71	#include <unistd.h>
		72	#include <utime.h>
		73	#include <signal.h>
		74
		75	#endif
82		76
83	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
84		78
85	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
108		102
109	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
112		106
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		108
115	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
116	SV *callback; \	110	SV *callback; \
117	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
118	STRLEN stroffset; \	113	STRLEN stroffset; \
119	SV *self;	114	SV *self;
120		115
121	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
122		117
		118	#include "libeio/config.h"
123	#include "libeio/eio.h"	119	#include "libeio/eio.h"
		120
		121	static int req_invoke (eio_req *req);
		122	#define EIO_FINISH(req) req_invoke (req)
		123	static void req_destroy (eio_req *grp);
		124	#define EIO_DESTROY(req) req_destroy (req)
		125
		126	#include "libeio/eio.c"
		127
		128	/* Linux/others */
		129	#ifndef O_ASYNC
		130	# define O_ASYNC 0
		131	#endif
		132	#ifndef O_DIRECT
		133	# define O_DIRECT 0
		134	#endif
		135	#ifndef O_NOATIME
		136	# define O_NOATIME 0
		137	#endif
		138
		139	/* POSIX */
		140	#ifndef O_CLOEXEC
		141	# define O_CLOEXEC 0
		142	#endif
		143	#ifndef O_NOFOLLOW
		144	# define O_NOFOLLOW 0
		145	#endif
		146	#ifndef O_NOCTTY
		147	# define O_NOCTTY 0
		148	#endif
		149	#ifndef O_NONBLOCK
		150	# define O_NONBLOCK 0
		151	#endif
		152	#ifndef O_EXEC
		153	# define O_EXEC 0
		154	#endif
		155	#ifndef O_SEARCH
		156	# define O_SEARCH 0
		157	#endif
		158	#ifndef O_DIRECTORY
		159	# define O_DIRECTORY 0
		160	#endif
		161	#ifndef O_DSYNC
		162	# define O_DSYNC 0
		163	#endif
		164	#ifndef O_RSYNC
		165	# define O_RSYNC 0
		166	#endif
		167	#ifndef O_SYNC
		168	# define O_SYNC 0
		169	#endif
		170	#ifndef O_TTY_INIT
		171	# define O_TTY_INIT 0
		172	#endif
124		173
125	#ifndef POSIX_FADV_NORMAL	174	#ifndef POSIX_FADV_NORMAL
126	# define POSIX_FADV_NORMAL 0	175	# define POSIX_FADV_NORMAL 0
127	# define NO_FADVISE 1
128	#endif	176	#endif
129	#ifndef POSIX_FADV_SEQUENTIAL	177	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0	178	# define POSIX_FADV_SEQUENTIAL 0
131	#endif	179	#endif
132	#ifndef POSIX_FADV_RANDOM	180	#ifndef POSIX_FADV_RANDOM
…		…
140	#endif	188	#endif
141	#ifndef POSIX_FADV_DONTNEED	189	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0	190	# define POSIX_FADV_DONTNEED 0
143	#endif	191	#endif
144		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		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
145	#ifndef ST_NODEV	236	#ifndef ST_NODEV
146	# define ST_NODEV 0	237	# define ST_NODEV 0
147	#endif	238	#endif
148	#ifndef ST_NOEXEC	239	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0	240	# define ST_NOEXEC 0
…		…
171	#endif	262	#endif
172	#ifndef ST_RELATIME	263	#ifndef ST_RELATIME
173	# define ST_RELATIME 0	264	# define ST_RELATIME 0
174	#endif	265	#endif
175		266
176	#ifndef MCL_CURRENT	267	#ifndef S_IFIFO
177	# define MCL_CURRENT 0	268	# define S_IFIFO 0
178	#endif	269	#endif
179	#ifndef MCL_FUTURE	270	#ifndef S_IFCHR
180	# 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
181	#endif	290	#endif
182		291
183	#ifndef MAP_ANONYMOUS	292	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	293	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	294	# define MAP_ANONYMOUS MAP_ANON
…		…
201	#endif	310	#endif
202	#ifndef MAP_NONBLOCK	311	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0	312	# define MAP_NONBLOCK 0
204	#endif	313	#endif
205		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
206	#ifndef PAGESIZE	325	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	326	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	327	#endif
209
210	static int req_invoke (eio_req *req);
211	#define EIO_FINISH(req) req_invoke (req)
212	static void req_destroy (eio_req *grp);
213	#define EIO_DESTROY(req) req_destroy (req)
214		328
215	enum {	329	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	331	};
218		332
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd *aio_wd;
223		336
224	static SV *on_next_submit;	337	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	339	static int max_outstanding;
227		340
…		…
265	croak ("object of class IO::AIO::REQ expected");	378	croak ("object of class IO::AIO::REQ expected");
266		379
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		381
269	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));
270	}	393	}
271		394
272	static void aio_grp_feed (aio_req grp)	395	static void aio_grp_feed (aio_req grp)
273	{	396	{
274	if (grp->sv2 && SvOK (grp->sv2))	397	if (grp->sv2 && SvOK (grp->sv2))
…		…
304	}	427	}
305	}	428	}
306		429
307	static int req_invoke (eio_req *req)	430	static int req_invoke (eio_req *req)
308	{	431	{
309	dSP;
310
311	if (req->flags & FLAG_SV2_RO_OFF)	432	if (req->flags & FLAG_SV2_RO_OFF)
312	SvREADONLY_off (req->sv2);	433	SvREADONLY_off (req->sv2);
313		434
314	if (!EIO_CANCELLED (req) && req->callback)	435	if (!EIO_CANCELLED (req) && req->callback)
315	{	436	{
		437	dSP;
		438	static SV *sv_result_cache; /* caches the result integer SV */
		439	SV *sv_result;
		440
316	ENTER;	441	ENTER;
317	SAVETMPS;	442	SAVETMPS;
318	PUSHMARK (SP);	443	PUSHMARK (SP);
319	EXTEND (SP, 1);	444	EXTEND (SP, 1);
320		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
321	switch (req->type)	459	switch (req->type)
322	{	460	{
		461	case EIO_WD_OPEN:
		462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));
		463	break;
		464
323	case EIO_READDIR:	465	case EIO_READDIR:
324	{	466	{
325	SV *rv = &PL_sv_undef;	467	SV *rv = &PL_sv_undef;
326		468
327	if (req->result >= 0)	469	if (req->result >= 0)
…		…
415	case EIO_STATVFS:	557	case EIO_STATVFS:
416	case EIO_FSTATVFS:	558	case EIO_FSTATVFS:
417	{	559	{
418	SV *rv = &PL_sv_undef;	560	SV *rv = &PL_sv_undef;
419		561
		562	#ifndef _WIN32
420	if (req->result >= 0)	563	if (req->result >= 0)
421	{	564	{
422	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	565	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423	HV *hv = newHV ();	566	HV *hv = newHV ();
424		567
…		…
434	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);
435	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);
436	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);
437	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);
438	}	581	}
		582	#endif
439		583
440	PUSHs (rv);	584	PUSHs (rv);
441	}	585	}
442		586
443	break;	587	break;
…		…
459	case EIO_NOP:	603	case EIO_NOP:
460	case EIO_BUSY:	604	case EIO_BUSY:
461	break;	605	break;
462		606
463	case EIO_READLINK:	607	case EIO_READLINK:
		608	case EIO_REALPATH:
464	if (req->result > 0)	609	if (req->result > 0)
465	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	610	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466	break;	611	break;
467		612
468	case EIO_STAT:	613	case EIO_STAT:
469	case EIO_LSTAT:	614	case EIO_LSTAT:
470	case EIO_FSTAT:	615	case EIO_FSTAT:
471	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472	PL_laststatval = req->result;	617	PL_laststatval = req->result;
		618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
473	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	619	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474	PUSHs (sv_2mortal (newSViv (req->result)));	620	PUSHs (sv_result);
475	break;	621	break;
476		622
477	case EIO_READ:	623	case EIO_READ:
478	{	624	{
479	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));
480	*SvEND (req->sv2) = 0;	626	*SvEND (req->sv2) = 0;
481	SvPOK_only (req->sv2);	627	SvPOK_only (req->sv2);
482	SvSETMAGIC (req->sv2);	628	SvSETMAGIC (req->sv2);
483	PUSHs (sv_2mortal (newSViv (req->result)));	629	PUSHs (sv_result);
484	}	630	}
485	break;	631	break;
486		632
487	case EIO_DUP2:	633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488	if (req->result > 0)	634	if (req->result > 0)
489	req->result = 0;	635	SvIV_set (sv_result, 0);
490	/* FALLTHROUGH */	636	/* FALLTHROUGH */
491		637
492	default:	638	default:
493	PUSHs (sv_2mortal (newSViv (req->result)));	639	PUSHs (sv_result);
494	break;	640	break;
495	}	641	}
496		642
497	errno = req->errorno;	643	errno = req->errorno;
498		644
499	PUTBACK;	645	PUTBACK;
500	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	646	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501	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;
502		653
503	FREETMPS;	654	FREETMPS;
504	LEAVE;	655	LEAVE;
505		656
506	PUTBACK;	657	PUTBACK;
…		…
517	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
518	}	669	}
519		670
520	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
521	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
522	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
523		676
524	Safefree (req);	677	Safefree (req);
525	}	678	}
526		679
527	static void req_cancel_subs (aio_req grp)	680	static void req_cancel_subs (aio_req grp)
528	{	681	{
529	aio_req sub;
530
531	if (grp->type != EIO_GROUP)	682	if (grp->type != EIO_GROUP)
532	return;	683	return;
533		684
534	SvREFCNT_dec (grp->sv2);	685	SvREFCNT_dec (grp->sv2);
535	grp->sv2 = 0;	686	grp->sv2 = 0;
536		687
537	eio_grp_cancel (grp);	688	eio_grp_cancel (grp);
538	}	689	}
539		690
540	static void
541	create_respipe (void)	691	static void create_respipe (void)
542	{	692	{
543	if (s_epipe_renew (&respipe))	693	if (s_epipe_renew (&respipe))
544	croak ("IO::AIO: unable to initialize result pipe");	694	croak ("IO::AIO: unable to initialize result pipe");
545	}	695	}
546		696
…		…
577		727
578	poll_wait ();	728	poll_wait ();
579	}	729	}
580	}	730	}
581		731
582	static void atfork_child (void)	732	static void ecb_cold
		733	reinit (void)
583	{	734	{
584	create_respipe ();	735	create_respipe ();
		736
		737	if (eio_init (want_poll, done_poll) < 0)
		738	croak ("IO::AIO: unable to initialise eio library");
585	}	739	}
586		740
587	/*****************************************************************************/	741	/*****************************************************************************/
588		742
589	#if !_POSIX_MAPPED_FILES	743	#if !_POSIX_MAPPED_FILES
590	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591	# define munmap(addr,length) (errno = ENOSYS, -1)	745	# define munmap(addr,length) (errno = ENOSYS, -1)
592	#endif	746	#endif
593		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
…		…
644	req_submit (req); \	808	req_submit (req); \
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));
		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	}
649		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
…		…
667	const_iv (O_RDWR)	882	const_iv (O_RDWR)
668	const_iv (O_CREAT)	883	const_iv (O_CREAT)
669	const_iv (O_TRUNC)	884	const_iv (O_TRUNC)
670	const_iv (O_EXCL)	885	const_iv (O_EXCL)
671	const_iv (O_APPEND)	886	const_iv (O_APPEND)
672	#ifndef _WIN32	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
673	const_iv (S_IFIFO)	904	const_iv (S_IFIFO)
674	#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
675	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	914	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
676	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	915	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
677	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	916	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
678	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	917	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
679	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	918	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
680	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)
681		926
682	const_iv (ST_RDONLY)	927	const_iv (ST_RDONLY)
683	const_iv (ST_NOSUID)	928	const_iv (ST_NOSUID)
684	const_iv (ST_NODEV)	929	const_iv (ST_NODEV)
685	const_iv (ST_NOEXEC)	930	const_iv (ST_NOEXEC)
…		…
690	const_iv (ST_IMMUTABLE)	935	const_iv (ST_IMMUTABLE)
691	const_iv (ST_NOATIME)	936	const_iv (ST_NOATIME)
692	const_iv (ST_NODIRATIME)	937	const_iv (ST_NODIRATIME)
693	const_iv (ST_RELATIME)	938	const_iv (ST_RELATIME)
694		939
		940	const_iv (PROT_NONE)
695	const_iv (PROT_EXEC)	941	const_iv (PROT_EXEC)
696	const_iv (PROT_NONE)
697	const_iv (PROT_READ)	942	const_iv (PROT_READ)
698	const_iv (PROT_WRITE)	943	const_iv (PROT_WRITE)
699		944
700	/*const_iv (MAP_FIXED)*/	945	/*const_iv (MAP_FIXED)*/
701	const_iv (MAP_PRIVATE)	946	const_iv (MAP_PRIVATE)
…		…
707	const_iv (MAP_LOCKED)	952	const_iv (MAP_LOCKED)
708	const_iv (MAP_NORESERVE)	953	const_iv (MAP_NORESERVE)
709	const_iv (MAP_POPULATE)	954	const_iv (MAP_POPULATE)
710	const_iv (MAP_NONBLOCK)	955	const_iv (MAP_NONBLOCK)
711		956
712	const_iv (MCL_FUTURE)	957	const_eio (MCL_FUTURE)
713	const_iv (MCL_CURRENT)	958	const_eio (MCL_CURRENT)
714		959
715	const_eio (MS_ASYNC)	960	const_eio (MS_ASYNC)
716	const_eio (MS_INVALIDATE)	961	const_eio (MS_INVALIDATE)
717	const_eio (MS_SYNC)	962	const_eio (MS_SYNC)
718		963
719	const_eio (MT_MODIFY)	964	const_eio (MT_MODIFY)
720		965
721	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
722	const_eio (SYNC_FILE_RANGE_WRITE)	967	const_eio (SYNC_FILE_RANGE_WRITE)
723	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		969
		970	const_eio (FALLOC_FL_KEEP_SIZE)
724		971
725	const_eio (READDIR_DENTS)	972	const_eio (READDIR_DENTS)
726	const_eio (READDIR_DIRS_FIRST)	973	const_eio (READDIR_DIRS_FIRST)
727	const_eio (READDIR_STAT_ORDER)	974	const_eio (READDIR_STAT_ORDER)
728	const_eio (READDIR_FOUND_UNKNOWN)	975	const_eio (READDIR_FOUND_UNKNOWN)
…		…
739	};	986	};
740		987
741	aio_stash = gv_stashpv ("IO::AIO" , 1);	988	aio_stash = gv_stashpv ("IO::AIO" , 1);
742	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	989	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
743	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);
744		992
745	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--)
746	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	994	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
747		995
748	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	996	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
749		997
750	create_respipe ();	998	reinit ();
751
752	if (eio_init (want_poll, done_poll) < 0)
753	croak ("IO::AIO: unable to initialise eio library");
754
755	/* atfork child called in fifo order, so before eio's handler */
756	X_THREAD_ATFORK (0, 0, atfork_child);
757	}	999	}
758		1000
759	void	1001	void
		1002	reinit ()
		1003	PROTOTYPE:
		1004
		1005	void
760	max_poll_reqs (int nreqs)	1006	max_poll_reqs (unsigned int nreqs)
761	PROTOTYPE: $	1007	PROTOTYPE: $
762	CODE:	1008	CODE:
763	eio_set_max_poll_reqs (nreqs);	1009	eio_set_max_poll_reqs (nreqs);
764		1010
765	void	1011	void
…		…
767	PROTOTYPE: $	1013	PROTOTYPE: $
768	CODE:	1014	CODE:
769	eio_set_max_poll_time (nseconds);	1015	eio_set_max_poll_time (nseconds);
770		1016
771	void	1017	void
772	min_parallel (int nthreads)	1018	min_parallel (unsigned int nthreads)
773	PROTOTYPE: $	1019	PROTOTYPE: $
774	CODE:	1020	CODE:
775	eio_set_min_parallel (nthreads);	1021	eio_set_min_parallel (nthreads);
776		1022
777	void	1023	void
778	max_parallel (int nthreads)	1024	max_parallel (unsigned int nthreads)
779	PROTOTYPE: $	1025	PROTOTYPE: $
780	CODE:	1026	CODE:
781	eio_set_max_parallel (nthreads);	1027	eio_set_max_parallel (nthreads);
782		1028
783	void	1029	void
784	max_idle (int nthreads)	1030	max_idle (unsigned int nthreads)
785	PROTOTYPE: $	1031	PROTOTYPE: $
786	CODE:	1032	CODE:
787	eio_set_max_idle (nthreads);	1033	eio_set_max_idle (nthreads);
788		1034
789	void	1035	void
		1036	idle_timeout (unsigned int seconds)
		1037	PROTOTYPE: $
		1038	CODE:
		1039	eio_set_idle_timeout (seconds);
		1040
		1041	void
790	max_outstanding (int maxreqs)	1042	max_outstanding (unsigned int maxreqs)
791	PROTOTYPE: $	1043	PROTOTYPE: $
792	CODE:	1044	CODE:
793	max_outstanding = maxreqs;	1045	max_outstanding = maxreqs;
794		1046
795	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
796	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)
797	PROTOTYPE: $$$;$
798	PPCODE:	1061	PPCODE:
799	{	1062	{
800	dREQ;	1063	dREQ;
801		1064
802	req->type = EIO_OPEN;	1065	req->type = EIO_OPEN;
803	req->sv1 = newSVsv (pathname);	1066	req_set_path1 (req, pathname);
804	req->ptr1 = SvPVbyte_nolen (req->sv1);
805	req->int1 = flags;	1067	req->int1 = flags;
806	req->int2 = mode;	1068	req->int2 = mode;
807		1069
808	REQ_SEND;	1070	REQ_SEND;
809	}	1071	}
810		1072
811	void	1073	void
812	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1074	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
813	PROTOTYPE: $;$
814	ALIAS:	1075	ALIAS:
815	aio_fsync = EIO_FSYNC	1076	aio_fsync = EIO_FSYNC
816	aio_fdatasync = EIO_FDATASYNC	1077	aio_fdatasync = EIO_FDATASYNC
		1078	aio_syncfs = EIO_SYNCFS
817	PPCODE:	1079	PPCODE:
818	{	1080	{
819	int fd = s_fileno_croak (fh, 0);	1081	int fd = s_fileno_croak (fh, 0);
820	dREQ;	1082	dREQ;
821		1083
…		…
826	REQ_SEND (req);	1088	REQ_SEND (req);
827	}	1089	}
828		1090
829	void	1091	void
830	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1092	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
831	PROTOTYPE: $$$$;$
832	PPCODE:	1093	PPCODE:
833	{	1094	{
834	int fd = s_fileno_croak (fh, 0);	1095	int fd = s_fileno_croak (fh, 0);
835	dREQ;	1096	dREQ;
836		1097
…		…
843		1104
844	REQ_SEND (req);	1105	REQ_SEND (req);
845	}	1106	}
846		1107
847	void	1108	void
848	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)
849	PROTOTYPE: $;$
850	PPCODE:	1110	PPCODE:
851	{	1111	{
852	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
853	int fd = s_fileno_croak (fh, 0);	1112	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1113	dREQ;
855		1114
856	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))
857	{	1134	{
858	int pipefd [2];	1135	int pipefd [2];
859		1136
		1137	if (
		1138	#ifdef _WIN32
		1139	_pipe (pipefd, 1, _O_BINARY) < 0
		1140	#else
860	if (pipe (pipefd) < 0	1141	pipe (pipefd) < 0
861	|| close (pipefd [1]) < 0
862	|| 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	)
863	abort (); /*D*/	1146	abort (); /*D*/
864		1147
865	close_pipe = pipefd [0];	1148	close_fd = pipefd [0];
866	}	1149	}
867		1150
868	req->type = EIO_DUP2;	1151	req->type = EIO_DUP2;
869	req->int1 = close_pipe;	1152	req->int1 = close_fd;
870	req->sv2 = newSVsv (fh);	1153	req->sv2 = newSVsv (fh);
871	req->int2 = fd;	1154	req->int2 = fd;
872		1155
873	REQ_SEND (req);	1156	REQ_SEND (req);
874	}	1157	}
…		…
876	void	1159	void
877	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)
878	ALIAS:	1161	ALIAS:
879	aio_read = EIO_READ	1162	aio_read = EIO_READ
880	aio_write = EIO_WRITE	1163	aio_write = EIO_WRITE
881	PROTOTYPE: $$$$$;$
882	PPCODE:	1164	PPCODE:
883	{	1165	{
884	STRLEN svlen;	1166	STRLEN svlen;
885	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1167	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
886	char *svptr = SvPVbyte (data, svlen);	1168	char *svptr = SvPVbyte (data, svlen);
…		…
926	REQ_SEND;	1208	REQ_SEND;
927	}	1209	}
928	}	1210	}
929		1211
930	void	1212	void
931	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1213	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
932	PROTOTYPE: $$;$	1214	ALIAS:
		1215	aio_readlink = EIO_READLINK
		1216	aio_realpath = EIO_REALPATH
933	PPCODE:	1217	PPCODE:
934	{	1218	{
935	SV *data;
936	dREQ;	1219	dREQ;
937		1220
938	req->type = EIO_READLINK;	1221	req->type = ix;
939	req->sv1 = newSVsv (path);	1222	req_set_path1 (req, pathname);
940	req->ptr1 = SvPVbyte_nolen (req->sv1);
941		1223
942	REQ_SEND;	1224	REQ_SEND;
943	}	1225	}
944		1226
945	void	1227	void
946	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)
947	PROTOTYPE: $$$$;$
948	PPCODE:	1229	PPCODE:
949	{	1230	{
950	int ifd = s_fileno_croak (in_fh , 0);	1231	int ifd = s_fileno_croak (in_fh , 0);
951	int ofd = s_fileno_croak (out_fh, 1);	1232	int ofd = s_fileno_croak (out_fh, 1);
952	dREQ;	1233	dREQ;
…		…
962	REQ_SEND;	1243	REQ_SEND;
963	}	1244	}
964		1245
965	void	1246	void
966	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1247	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
967	PROTOTYPE: $$$;$
968	PPCODE:	1248	PPCODE:
969	{	1249	{
970	int fd = s_fileno_croak (fh, 0);	1250	int fd = s_fileno_croak (fh, 0);
971	dREQ;	1251	dREQ;
972		1252
…		…
988	PPCODE:	1268	PPCODE:
989	{	1269	{
990	dREQ;	1270	dREQ;
991		1271
992	req->sv1 = newSVsv (fh_or_path);	1272	req->sv1 = newSVsv (fh_or_path);
993		1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
994	if (SvPOK (req->sv1))
995	{
996	req->type = ix;
997	req->ptr1 = SvPVbyte_nolen (req->sv1);
998	}
999	else
1000	{
1001	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1002	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1003	}
1004
1005	REQ_SEND;	1274	REQ_SEND;
1006	}	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
1007		1292
1008	void	1293	void
1009	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)
1010	PPCODE:	1295	PPCODE:
1011	{	1296	{
1012	dREQ;	1297	dREQ;
1013		1298
1014	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1299	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1015	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1300	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1016	req->sv1 = newSVsv (fh_or_path);	1301	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1017
1018	if (SvPOK (req->sv1))
1019	{
1020	req->type = EIO_UTIME;
1021	req->ptr1 = SvPVbyte_nolen (req->sv1);
1022	}
1023	else
1024	{
1025	req->type = EIO_FUTIME;
1026	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1027	}
1028		1302
1029	REQ_SEND;	1303	REQ_SEND;
1030	}	1304	}
1031		1305
1032	void	1306	void
1033	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)
1034	PPCODE:	1308	PPCODE:
1035	{	1309	{
1036	dREQ;	1310	dREQ;
1037		1311
1038	req->sv1 = newSVsv (fh_or_path);
1039	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1312	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1040		1313	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1041	if (SvPOK (req->sv1))
1042	{
1043	req->type = EIO_TRUNCATE;
1044	req->ptr1 = SvPVbyte_nolen (req->sv1);
1045	}
1046	else
1047	{
1048	req->type = EIO_FTRUNCATE;
1049	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1050	}
1051		1314
1052	REQ_SEND;	1315	REQ_SEND;
1053	}	1316	}
1054		1317
1055	void	1318	void
…		…
1060	PPCODE:	1323	PPCODE:
1061	{	1324	{
1062	dREQ;	1325	dREQ;
1063		1326
1064	req->int2 = mode;	1327	req->int2 = mode;
1065	req->sv1 = newSVsv (fh_or_path);	1328	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1066
1067	if (SvPOK (req->sv1))
1068	{
1069	req->type = ix;
1070	req->ptr1 = SvPVbyte_nolen (req->sv1);
1071	}
1072	else
1073	{
1074	req->type = EIO_FCHMOD;
1075	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1076	}
1077		1329
1078	REQ_SEND;	1330	REQ_SEND;
1079	}	1331	}
1080		1332
1081	void	1333	void
…		…
1084	{	1336	{
1085	dREQ;	1337	dREQ;
1086		1338
1087	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1339	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1088	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1340	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1089	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1090
1091	if (SvPOK (req->sv1))
1092	{
1093	req->type = EIO_CHOWN;
1094	req->ptr1 = SvPVbyte_nolen (req->sv1);
1095	}
1096	else
1097	{
1098	req->type = EIO_FCHOWN;
1099	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1100	}
1101		1342
1102	REQ_SEND;	1343	REQ_SEND;
1103	}	1344	}
1104		1345
1105	void	1346	void
…		…
1128	PPCODE:	1369	PPCODE:
1129	{	1370	{
1130	dREQ;	1371	dREQ;
1131		1372
1132	req->type = ix;	1373	req->type = ix;
1133	req->sv1 = newSVsv (pathname);	1374	req_set_path1 (req, pathname);
1134	req->ptr1 = SvPVbyte_nolen (req->sv1);
1135		1375
1136	REQ_SEND;	1376	REQ_SEND;
1137	}	1377	}
1138		1378
1139	void	1379	void
…		…
1143	aio_symlink = EIO_SYMLINK	1383	aio_symlink = EIO_SYMLINK
1144	aio_rename = EIO_RENAME	1384	aio_rename = EIO_RENAME
1145	PPCODE:	1385	PPCODE:
1146	{	1386	{
1147	dREQ;	1387	dREQ;
		1388	eio_wd wd2;
1148		1389
1149	req->type = ix;	1390	req->type = ix;
1150	req->sv1 = newSVsv (oldpath);	1391	req_set_path1 (req, oldpath);
1151	req->ptr1 = SvPVbyte_nolen (req->sv1);	1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1152	req->sv2 = newSVsv (newpath);	1393	req->int3 = (long)wd2;
1153	req->ptr2 = SvPVbyte_nolen (req->sv2);
1154		1394
1155	REQ_SEND;	1395	REQ_SEND;
1156	}	1396	}
1157		1397
1158	void	1398	void
…		…
1160	PPCODE:	1400	PPCODE:
1161	{	1401	{
1162	dREQ;	1402	dREQ;
1163		1403
1164	req->type = EIO_MKNOD;	1404	req->type = EIO_MKNOD;
1165	req->sv1 = newSVsv (pathname);
1166	req->ptr1 = SvPVbyte_nolen (req->sv1);
1167	req->int2 = (mode_t)mode;	1405	req->int2 = (mode_t)mode;
1168	req->offs = dev;	1406	req->offs = dev;
		1407	req_set_path1 (req, pathname);
1169		1408
1170	REQ_SEND;	1409	REQ_SEND;
1171	}	1410	}
1172		1411
1173	void	1412	void
1174	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)
1175	ALIAS:	1414	ALIAS:
1176	aio_mtouch = EIO_MTOUCH	1415	aio_mtouch = EIO_MTOUCH
1177	aio_msync = EIO_MSYNC	1416	aio_msync = EIO_MSYNC
1178	PROTOTYPE: $$$$;$
1179	PPCODE:	1417	PPCODE:
1180	{	1418	{
1181	STRLEN svlen;	1419	STRLEN svlen;
		1420	char *svptr = SvPVbyte (data, svlen);
1182	UV len = SvUV (length);	1421	UV len = SvUV (length);
1183	char *svptr = SvPVbyte (data, svlen);
1184		1422
1185	if (offset < 0)	1423	if (offset < 0)
1186	offset += svlen;	1424	offset += svlen;
1187		1425
1188	if (offset < 0 || offset > svlen)	1426	if (offset < 0 || offset > svlen)
…		…
1193		1431
1194	{	1432	{
1195	dREQ;	1433	dREQ;
1196		1434
1197	req->type = ix;	1435	req->type = ix;
1198	req->size = len;
1199	req->sv2 = SvREFCNT_inc (data);	1436	req->sv2 = SvREFCNT_inc (data);
1200	req->ptr2 = (char *)svptr + offset;	1437	req->ptr2 = (char *)svptr + offset;
		1438	req->size = len;
1201	req->int1 = flags;	1439	req->int1 = flags;
1202		1440
1203	REQ_SEND;	1441	REQ_SEND;
1204	}	1442	}
1205	}	1443	}
1206		1444
1207	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
1208	aio_busy (double delay, SV *callback=&PL_sv_undef)	1487	aio_busy (double delay, SV *callback=&PL_sv_undef)
1209	PPCODE:	1488	PPCODE:
1210	{	1489	{
1211	dREQ;	1490	dREQ;
1212		1491
…		…
1216	REQ_SEND;	1495	REQ_SEND;
1217	}	1496	}
1218		1497
1219	void	1498	void
1220	aio_group (SV *callback=&PL_sv_undef)	1499	aio_group (SV *callback=&PL_sv_undef)
1221	PROTOTYPE: ;$
1222	PPCODE:	1500	PPCODE:
1223	{	1501	{
1224	dREQ;	1502	dREQ;
1225		1503
1226	req->type = EIO_GROUP;	1504	req->type = EIO_GROUP;
…		…
1243	REQ_SEND;	1521	REQ_SEND;
1244	}	1522	}
1245		1523
1246	int	1524	int
1247	aioreq_pri (int pri = 0)	1525	aioreq_pri (int pri = 0)
1248	PROTOTYPE: ;$
1249	CODE:	1526	CODE:
1250	RETVAL = next_pri;	1527	RETVAL = next_pri;
1251	if (items > 0)	1528	if (items > 0)
1252	{	1529	{
1253	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1530	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1265	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1542	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1266	next_pri = nice;	1543	next_pri = nice;
1267		1544
1268	void	1545	void
1269	flush ()	1546	flush ()
1270	PROTOTYPE:
1271	CODE:	1547	CODE:
1272	while (eio_nreqs ())	1548	while (eio_nreqs ())
1273	{	1549	{
1274	poll_wait ();	1550	poll_wait ();
1275	poll_cb ();	1551	poll_cb ();
1276	}	1552	}
1277		1553
1278	int	1554	int
1279	poll()	1555	poll ()
1280	PROTOTYPE:
1281	CODE:	1556	CODE:
1282	poll_wait ();	1557	poll_wait ();
1283	RETVAL = poll_cb ();	1558	RETVAL = poll_cb ();
1284	OUTPUT:	1559	OUTPUT:
1285	RETVAL	1560	RETVAL
1286		1561
1287	int	1562	int
1288	poll_fileno()	1563	poll_fileno ()
1289	PROTOTYPE:
1290	CODE:	1564	CODE:
1291	RETVAL = s_epipe_fd (&respipe);	1565	RETVAL = s_epipe_fd (&respipe);
1292	OUTPUT:	1566	OUTPUT:
1293	RETVAL	1567	RETVAL
1294		1568
1295	int	1569	int
1296	poll_cb(...)	1570	poll_cb (...)
1297	PROTOTYPE:	1571	PROTOTYPE:
1298	CODE:	1572	CODE:
1299	RETVAL = poll_cb ();	1573	RETVAL = poll_cb ();
1300	OUTPUT:	1574	OUTPUT:
1301	RETVAL	1575	RETVAL
1302		1576
1303	void	1577	void
1304	poll_wait()	1578	poll_wait ()
1305	PROTOTYPE:
1306	CODE:	1579	CODE:
1307	poll_wait ();	1580	poll_wait ();
1308		1581
1309	int	1582	int
1310	nreqs()	1583	nreqs ()
1311	PROTOTYPE:
1312	CODE:	1584	CODE:
1313	RETVAL = eio_nreqs ();	1585	RETVAL = eio_nreqs ();
1314	OUTPUT:	1586	OUTPUT:
1315	RETVAL	1587	RETVAL
1316		1588
1317	int	1589	int
1318	nready()	1590	nready ()
1319	PROTOTYPE:
1320	CODE:	1591	CODE:
1321	RETVAL = eio_nready ();	1592	RETVAL = eio_nready ();
1322	OUTPUT:	1593	OUTPUT:
1323	RETVAL	1594	RETVAL
1324		1595
1325	int	1596	int
1326	npending()	1597	npending ()
1327	PROTOTYPE:
1328	CODE:	1598	CODE:
1329	RETVAL = eio_npending ();	1599	RETVAL = eio_npending ();
1330	OUTPUT:	1600	OUTPUT:
1331	RETVAL	1601	RETVAL
1332		1602
1333	int	1603	int
1334	nthreads()	1604	nthreads ()
1335	PROTOTYPE:
1336	CODE:	1605	CODE:
1337	RETVAL = eio_nthreads ();	1606	RETVAL = eio_nthreads ();
1338	OUTPUT:	1607	OUTPUT:
1339	RETVAL	1608	RETVAL
1340		1609
1341	int	1610	int
1342	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)
1343	PROTOTYPE: $$$$
1344	CODE:	1612	CODE:
1345	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1346	RETVAL = posix_fadvise (fh, offset, length, advice);	1613	RETVAL = posix_fadvise (fh, offset, length, advice);
1347	#else
1348	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1349	#endif
1350	OUTPUT:	1614	OUTPUT:
1351	RETVAL	1615	RETVAL
1352		1616
1353	ssize_t	1617	IV
1354	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1618	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1355	PROTOTYPE: $$$$
1356	CODE:	1619	CODE:
1357	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1358	OUTPUT:	1621	OUTPUT:
1359	RETVAL	1622	RETVAL
1360		1623
1361	void	1624	void
1362	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1625	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1363	PROTOTYPE: $$$$$;$
1364	PPCODE:	1626	PPCODE:
1365	sv_unmagic (scalar, MMAP_MAGIC);	1627	sv_unmagic (scalar, MMAP_MAGIC);
1366	{	1628	{
1367	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;
1368	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1630	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369	if (addr == (void *)-1)	1631	if (addr == (void *)-1)
1370	XSRETURN_NO;	1632	XSRETURN_NO;
1371		1633
		1634	sv_force_normal (scalar);
		1635
1372	/* we store the length in mg_obj, as namlen is I32 :/ */	1636	/* we store the length in mg_obj, as namlen is I32 :/ */
1373	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1637	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374	->mg_obj = (SV *)length;	1638	->mg_obj = (SV *)length;
1375		1639
1376	SvUPGRADE (scalar, SVt_PV); /* nop... */	1640	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1641
1377	if (!(prot & PROT_WRITE))	1642	if (!(prot & PROT_WRITE))
1378	SvREADONLY_on (scalar);	1643	SvREADONLY_on (scalar);
		1644
		1645	if (SvLEN (scalar))
		1646	Safefree (SvPVX (scalar));
1379		1647
1380	SvPVX (scalar) = (char *)addr;	1648	SvPVX (scalar) = (char *)addr;
1381	SvCUR_set (scalar, length);	1649	SvCUR_set (scalar, length);
1382	SvLEN_set (scalar, 0);	1650	SvLEN_set (scalar, 0);
1383	SvPOK_only (scalar);	1651	SvPOK_only (scalar);
…		…
1385	XSRETURN_YES;	1653	XSRETURN_YES;
1386	}	1654	}
1387		1655
1388	void	1656	void
1389	munmap (SV *scalar)	1657	munmap (SV *scalar)
1390	PROTOTYPE: $
1391	CODE:	1658	CODE:
1392	sv_unmagic (scalar, MMAP_MAGIC);	1659	sv_unmagic (scalar, MMAP_MAGIC);
1393		1660
1394	int	1661	int
1395	mlockall (int flags)	1662	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1396	PROTOTYPE: $	1663	ALIAS:
		1664	mprotect = 1
1397	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);
1398	#if _POSIX_MEMLOCK	1711	#if _POSIX_MEMLOCK_RANGE
1399	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1712	RETVAL = munlock (addr, len);
1400	extern int mallopt (int, int);
1401	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402	#endif
1403	mlockall (flags);
1404	#else	1713	#else
1405	RETVAL = -1;	1714	RETVAL = ((errno = ENOSYS), -1);
1406	errno = ENOSYS;
1407	#endif	1715	#endif
		1716	}
1408	OUTPUT:	1717	OUTPUT:
1409	RETVAL	1718	RETVAL
1410		1719
1411	int	1720	int
1412	munlockall ()	1721	munlockall ()
1413	PROTOTYPE:
1414	CODE:	1722	CODE:
1415	#if _POSIX_MEMLOCK	1723	#if _POSIX_MEMLOCK
1416	munlockall ();	1724	munlockall ();
1417	#else	1725	#else
1418	RETVAL = -1;	1726	RETVAL = -1;
…		…
1426	SvREFCNT_dec (on_next_submit);	1734	SvREFCNT_dec (on_next_submit);
1427	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1735	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1428		1736
1429	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1430		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
1431	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1757	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1432		1758
1433	void	1759	void
1434	cancel (aio_req_ornot req)	1760	cancel (aio_req_ornot req)
1435	CODE:	1761	CODE:

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