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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.150 by root, Wed Jul 1 08:11:24 2009 UTC vs.
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
18	/* perl namespace pollution */	24	/* perl namespace pollution */
19	#undef VERSION	25	#undef VERSION
20
21	#ifdef _WIN32
22
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions
28	# undef open
29	# undef read
30	# undef write
31	# undef send
32	# undef recv
33	# undef stat
34	# undef fstat
35	# define lstat stat
36	# undef truncate
37	# undef ftruncate
38	# undef open
39	# undef close
40	# undef unlink
41	# undef rmdir
42	# undef rename
43	# undef lseek
44
45	# define chown(a,b,c) (errno = ENOSYS, -1)
46	# define fchown(a,b,c) (errno = ENOSYS, -1)
47	# define fchmod(a,b) (errno = ENOSYS, -1)
48	# define symlink(a,b) (errno = ENOSYS, -1)
49	# define readlink(a,b,c) (errno = ENOSYS, -1)
50	# define mknod(a,b,c) (errno = ENOSYS, -1)
51	# define truncate(a,b) (errno = ENOSYS, -1)
52	# define ftruncate(fd,o) chsize ((fd), (o))
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58
59	#else
60
61	# include <sys/time.h>
62	# include <sys/select.h>
63	# include <unistd.h>
64	# include <utime.h>
65	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67
68	#endif
69		26
70	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	29	#undef readdir
73	#undef opendir	30	#undef opendir
74	#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
75		76
76	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
77		78
78	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
97	#define expect_false(expr) expect ((expr) != 0, 0)	98	#define expect_false(expr) expect ((expr) != 0, 0)
98	#define expect_true(expr) expect ((expr) != 0, 1)	99	#define expect_true(expr) expect ((expr) != 0, 1)
99		100
100	/*****************************************************************************/	101	/*****************************************************************************/
101		102
102	static HV *stash;
103	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
106		106
107	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108	#define AIO_GRP_KLASS "IO::AIO::GRP"
109		108
110	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
111	SV *callback; \	110	SV *callback; \
112	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
113	STRLEN stroffset; \	113	STRLEN stroffset; \
114	SV *self;	114	SV *self;
115		115
116	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
117		117
		118	#include "libeio/config.h"
118	#include "libeio/eio.h"	119	#include "libeio/eio.h"
119
120	#ifndef POSIX_FADV_NORMAL
121	# define POSIX_FADV_NORMAL 0
122	# define NO_FADVISE 1
123	#endif
124
125	#ifndef POSIX_FADV_SEQUENTIAL
126	# define POSIX_FADV_SEQUENTIAL 0
127	#endif
128
129	#ifndef POSIX_FADV_RANDOM
130	# define POSIX_FADV_RANDOM 0
131	#endif
132
133	#ifndef POSIX_FADV_NOREUSE
134	# define POSIX_FADV_NOREUSE 0
135	#endif
136
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		120
145	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
146	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
147	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
148	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
149		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
		173
		174	#ifndef POSIX_FADV_NORMAL
		175	# define POSIX_FADV_NORMAL 0
		176	#endif
		177	#ifndef POSIX_FADV_SEQUENTIAL
		178	# define POSIX_FADV_SEQUENTIAL 0
		179	#endif
		180	#ifndef POSIX_FADV_RANDOM
		181	# define POSIX_FADV_RANDOM 0
		182	#endif
		183	#ifndef POSIX_FADV_NOREUSE
		184	# define POSIX_FADV_NOREUSE 0
		185	#endif
		186	#ifndef POSIX_FADV_WILLNEED
		187	# define POSIX_FADV_WILLNEED 0
		188	#endif
		189	#ifndef POSIX_FADV_DONTNEED
		190	# define POSIX_FADV_DONTNEED 0
		191	#endif
		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
		236	#ifndef ST_NODEV
		237	# define ST_NODEV 0
		238	#endif
		239	#ifndef ST_NOEXEC
		240	# define ST_NOEXEC 0
		241	#endif
		242	#ifndef ST_SYNCHRONOUS
		243	# define ST_SYNCHRONOUS 0
		244	#endif
		245	#ifndef ST_MANDLOCK
		246	# define ST_MANDLOCK 0
		247	#endif
		248	#ifndef ST_WRITE
		249	# define ST_WRITE 0
		250	#endif
		251	#ifndef ST_APPEND
		252	# define ST_APPEND 0
		253	#endif
		254	#ifndef ST_IMMUTABLE
		255	# define ST_IMMUTABLE 0
		256	#endif
		257	#ifndef ST_NOATIME
		258	# define ST_NOATIME 0
		259	#endif
		260	#ifndef ST_NODIRATIME
		261	# define ST_NODIRATIME 0
		262	#endif
		263	#ifndef ST_RELATIME
		264	# define ST_RELATIME 0
		265	#endif
		266
		267	#ifndef S_IFIFO
		268	# define S_IFIFO 0
		269	#endif
		270	#ifndef S_IFCHR
		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
		290	#endif
		291
		292	#ifndef MAP_ANONYMOUS
		293	# ifdef MAP_ANON
		294	# define MAP_ANONYMOUS MAP_ANON
		295	# else
		296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		297	# endif
		298	#endif
		299	#ifndef MAP_HUGETLB
		300	# define MAP_HUGETLB 0
		301	#endif
		302	#ifndef MAP_LOCKED
		303	# define MAP_LOCKED 0
		304	#endif
		305	#ifndef MAP_NORESERVE
		306	# define MAP_NORESERVE 0
		307	#endif
		308	#ifndef MAP_POPULATE
		309	# define MAP_POPULATE 0
		310	#endif
		311	#ifndef MAP_NONBLOCK
		312	# define MAP_NONBLOCK 0
		313	#endif
		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
		325	#ifndef PAGESIZE
		326	# define PAGESIZE sysconf (_SC_PAGESIZE)
		327	#endif
		328
150	enum {	329	enum {
151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152	};	331	};
153		332
154	#include "libeio/eio.c"
155
156	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
157	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd *aio_wd;
158		336
159	static SV *on_next_submit;	337	static SV *on_next_submit;
160	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
161	static int max_outstanding;	339	static int max_outstanding;
162		340
163	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
164		342
165	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
166	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
167		345
168	static void want_poll (void)	346	static void want_poll (void)
169	{	347	{
170	/* write a dummy byte to the pipe so fh becomes ready */	348	/* write a dummy byte to the pipe so fh becomes ready */
171	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	349	s_epipe_signal (&respipe);
172	}	350	}
173		351
174	static void done_poll (void)	352	static void done_poll (void)
175	{	353	{
176	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
177	char buf [4];	355	s_epipe_drain (&respipe);
178	while (respipe_read (respipe [0], buf, 4) == 4)
179	;
180	}	356	}
181		357
182	/* must be called at most once */	358	/* must be called at most once */
183	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
184	{	360	{
185	if (!req->self)	361	if (!req->self)
186	{	362	{
187	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
188	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189	}	365	}
190		366
191	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192	}	368	}
193		369
194	static aio_req SvAIO_REQ (SV *sv)	370	static aio_req SvAIO_REQ (SV *sv)
195	{	371	{
196	MAGIC *mg;	372	MAGIC *mg;
197		373
198	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	374	if (!SvROK (sv)
		375	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		376	&& SvSTASH (SvRV (sv)) != aio_req_stash
		377	&& !sv_derived_from (sv, "IO::AIO::REQ")))
199	croak ("object of class " AIO_REQ_KLASS " expected");	378	croak ("object of class IO::AIO::REQ expected");
200		379
201	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202		381
203	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));
204	}	393	}
205		394
206	static void aio_grp_feed (aio_req grp)	395	static void aio_grp_feed (aio_req grp)
207	{	396	{
208	if (grp->sv2 && SvOK (grp->sv2))	397	if (grp->sv2 && SvOK (grp->sv2))
…		…
210	dSP;	399	dSP;
211		400
212	ENTER;	401	ENTER;
213	SAVETMPS;	402	SAVETMPS;
214	PUSHMARK (SP);	403	PUSHMARK (SP);
215	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	404	XPUSHs (req_sv (grp, aio_grp_stash));
216	PUTBACK;	405	PUTBACK;
217	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	406	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218	SPAGAIN;	407	SPAGAIN;
219	FREETMPS;	408	FREETMPS;
220	LEAVE;	409	LEAVE;
…		…
238	}	427	}
239	}	428	}
240		429
241	static int req_invoke (eio_req *req)	430	static int req_invoke (eio_req *req)
242	{	431	{
243	dSP;
244
245	if (req->flags & FLAG_SV2_RO_OFF)	432	if (req->flags & FLAG_SV2_RO_OFF)
246	SvREADONLY_off (req->sv2);	433	SvREADONLY_off (req->sv2);
247		434
248	if (!EIO_CANCELLED (req) && req->callback)	435	if (!EIO_CANCELLED (req) && req->callback)
249	{	436	{
		437	dSP;
		438	static SV *sv_result_cache; /* caches the result integer SV */
		439	SV *sv_result;
		440
250	ENTER;	441	ENTER;
251	SAVETMPS;	442	SAVETMPS;
252	PUSHMARK (SP);	443	PUSHMARK (SP);
253	EXTEND (SP, 1);	444	EXTEND (SP, 1);
254		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
255	switch (req->type)	459	switch (req->type)
256	{	460	{
		461	case EIO_WD_OPEN:
		462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));
		463	break;
		464
257	case EIO_READDIR:	465	case EIO_READDIR:
258	{	466	{
259	SV *rv = &PL_sv_undef;	467	SV *rv = &PL_sv_undef;
260		468
261	if (req->result >= 0)	469	if (req->result >= 0)
…		…
326	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	534	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327	char sym [64];	535	char sym [64];
328	int symlen;	536	int symlen;
329		537
330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	538	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331	gv_init (gv, stash, sym, symlen, 0);	539	gv_init (gv, aio_stash, sym, symlen, 0);
332		540
333	symlen = snprintf (	541	symlen = snprintf (
334	sym,	542	sym,
335	sizeof (sym),	543	sizeof (sym),
336	"%s&=%d",	544	"%s&=%d",
…		…
344		552
345	PUSHs (fh);	553	PUSHs (fh);
346	}	554	}
347	break;	555	break;
348		556
		557	case EIO_STATVFS:
		558	case EIO_FSTATVFS:
		559	{
		560	SV *rv = &PL_sv_undef;
		561
		562	#ifndef _WIN32
		563	if (req->result >= 0)
		564	{
		565	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		566	HV *hv = newHV ();
		567
		568	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		569
		570	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		571	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		572	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		573	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		574	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		575	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		576	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		577	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		578	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		579	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		580	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		581	}
		582	#endif
		583
		584	PUSHs (rv);
		585	}
		586
		587	break;
		588
349	case EIO_GROUP:	589	case EIO_GROUP:
350	req->int1 = 2; /* mark group as finished */	590	req->int1 = 2; /* mark group as finished */
351		591
352	if (req->sv1)	592	if (req->sv1)
353	{	593	{
…		…
363	case EIO_NOP:	603	case EIO_NOP:
364	case EIO_BUSY:	604	case EIO_BUSY:
365	break;	605	break;
366		606
367	case EIO_READLINK:	607	case EIO_READLINK:
		608	case EIO_REALPATH:
368	if (req->result > 0)	609	if (req->result > 0)
369	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	610	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370	break;	611	break;
371		612
372	case EIO_STAT:	613	case EIO_STAT:
373	case EIO_LSTAT:	614	case EIO_LSTAT:
374	case EIO_FSTAT:	615	case EIO_FSTAT:
375	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376	PL_laststatval = req->result;	617	PL_laststatval = req->result;
		618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
377	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	619	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378	PUSHs (sv_2mortal (newSViv (req->result)));	620	PUSHs (sv_result);
379	break;	621	break;
380		622
381	case EIO_READ:	623	case EIO_READ:
382	{	624	{
383	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));
384	*SvEND (req->sv2) = 0;	626	*SvEND (req->sv2) = 0;
385	SvPOK_only (req->sv2);	627	SvPOK_only (req->sv2);
386	SvSETMAGIC (req->sv2);	628	SvSETMAGIC (req->sv2);
387	PUSHs (sv_2mortal (newSViv (req->result)));	629	PUSHs (sv_result);
388	}	630	}
389	break;	631	break;
390		632
391	case EIO_DUP2:	633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392	if (req->result > 0)	634	if (req->result > 0)
393	req->result = 0;	635	SvIV_set (sv_result, 0);
394	/* FALLTHROUGH */	636	/* FALLTHROUGH */
395		637
396	default:	638	default:
397	PUSHs (sv_2mortal (newSViv (req->result)));	639	PUSHs (sv_result);
398	break;	640	break;
399	}	641	}
400		642
401	errno = req->errorno;	643	errno = req->errorno;
402		644
403	PUTBACK;	645	PUTBACK;
404	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	646	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405	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;
406		653
407	FREETMPS;	654	FREETMPS;
408	LEAVE;	655	LEAVE;
409		656
410	PUTBACK;	657	PUTBACK;
…		…
421	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
422	}	669	}
423		670
424	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
425	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
426	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
427		676
428	Safefree (req);	677	Safefree (req);
429	}	678	}
430		679
431	static void req_cancel_subs (aio_req grp)	680	static void req_cancel_subs (aio_req grp)
432	{	681	{
433	aio_req sub;
434
435	if (grp->type != EIO_GROUP)	682	if (grp->type != EIO_GROUP)
436	return;	683	return;
437		684
438	SvREFCNT_dec (grp->sv2);	685	SvREFCNT_dec (grp->sv2);
439	grp->sv2 = 0;	686	grp->sv2 = 0;
440		687
441	eio_grp_cancel (grp);	688	eio_grp_cancel (grp);
442	}	689	}
443		690
444	#ifdef USE_SOCKETS_AS_HANDLES
445	# define TO_SOCKET(x) (win32_get_osfhandle (x))
446	#else
447	# define TO_SOCKET(x) (x)
448	#endif
449
450	static void
451	create_respipe (void)	691	static void create_respipe (void)
452	{	692	{
453	int old_readfd = respipe [0];
454
455	if (respipe [1] >= 0)
456	respipe_close (TO_SOCKET (respipe [1]));
457
458	#ifdef _WIN32
459	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460	#else
461	if (pipe (respipe))	693	if (s_epipe_renew (&respipe))
462	#endif
463	croak ("unable to initialize result pipe");	694	croak ("IO::AIO: unable to initialize result pipe");
464
465	if (old_readfd >= 0)
466	{
467	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468	croak ("unable to initialize result pipe(2)");
469
470	respipe_close (respipe [0]);
471	respipe [0] = old_readfd;
472	}
473
474	#ifdef _WIN32
475	int arg = 1;
476	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478	#else
479	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481	#endif
482	croak ("unable to initialize result pipe(3)");
483
484	respipe_osf [0] = TO_SOCKET (respipe [0]);
485	respipe_osf [1] = TO_SOCKET (respipe [1]);
486	}	695	}
487		696
488	static void poll_wait (void)	697	static void poll_wait (void)
489	{	698	{
490	fd_set rfd;
491
492	while (eio_nreqs ())	699	while (eio_nreqs ())
493	{	700	{
494	int size;	701	int size;
495		702
496	X_LOCK (reslock);	703	X_LOCK (reslock);
…		…
500	if (size)	707	if (size)
501	return;	708	return;
502		709
503	etp_maybe_start_thread ();	710	etp_maybe_start_thread ();
504		711
505	FD_ZERO (&rfd);	712	s_epipe_wait (&respipe);
506	FD_SET (respipe [0], &rfd);
507
508	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509	}	713	}
510	}	714	}
511		715
512	static int poll_cb (void)	716	static int poll_cb (void)
513	{	717	{
…		…
523		727
524	poll_wait ();	728	poll_wait ();
525	}	729	}
526	}	730	}
527		731
528	static void atfork_child (void)	732	static void ecb_cold
		733	reinit (void)
529	{	734	{
530	create_respipe ();	735	create_respipe ();
531	}
532		736
533	static SV *	737	if (eio_init (want_poll, done_poll) < 0)
534	get_cb (SV *cb_sv)	738	croak ("IO::AIO: unable to initialise eio library");
535	{	739	}
536	HV *st;
537	GV *gvp;
538	CV *cv;
539		740
540	if (!SvOK (cb_sv))	741	/*****************************************************************************/
		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
		757	#define MMAP_MAGIC PERL_MAGIC_ext
		758
		759	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		760	{
		761	int old_errno = errno;
		762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		763	errno = old_errno;
		764
		765	mg->mg_obj = 0; /* just in case */
		766
		767	SvREADONLY_off (sv);
		768
		769	if (SvPVX (sv) != mg->mg_ptr)
		770	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		771
		772	SvCUR_set (sv, 0);
		773	SvPVX (sv) = 0;
		774	SvOK_off (sv);
		775
541	return 0;	776	return 0;
		777	}
542		778
543	cv = sv_2cv (cb_sv, &st, &gvp, 0);	779	static MGVTBL mmap_vtbl = {
		780	0, 0, 0, 0, mmap_free
		781	};
544		782
545	if (!cv)	783	/*****************************************************************************/
546	croak ("IO::AIO callback must be undef or a CODE reference");
547		784
548	return (SV *)cv;	785	static SV * get_cb (SV *cb_sv)
		786	{
		787	SvGETMAGIC (cb_sv);
		788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
549	}	789	}
550		790
551	#define dREQ \	791	#define dREQ \
552	SV *cb_cv; \	792	SV *cb_cv; \
553	aio_req req; \	793	aio_req req; \
…		…
567	PUTBACK; \	807	PUTBACK; \
568	req_submit (req); \	808	req_submit (req); \
569	SPAGAIN; \	809	SPAGAIN; \
570	\	810	\
571	if (GIMME_V != G_VOID) \	811	if (GIMME_V != G_VOID) \
572	XPUSHs (req_sv (req, AIO_REQ_KLASS));	812	XPUSHs (req_sv (req, aio_req_stash));
573		813
574	static int	814	static void
575	extract_fd (SV *fh, int wr)	815	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
576	{	816	{
577	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));	817	if (SvROK (path))
		818	{
		819	AV *av = (AV *)SvRV (path);
		820	SV *wdob;
578		821
579	if (fd < 0)	822	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
580	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");	823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
581		824
582	return fd;	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
583	}	863	}
584		864
585	MODULE = IO::AIO PACKAGE = IO::AIO	865	MODULE = IO::AIO PACKAGE = IO::AIO
586		866
587	PROTOTYPES: ENABLE	867	PROTOTYPES: ENABLE
…		…
590	{	870	{
591	static const struct {	871	static const struct {
592	const char *name;	872	const char *name;
593	IV iv;	873	IV iv;
594	} *civ, const_iv[] = {	874	} *civ, const_iv[] = {
595	# define const_iv(name, value) { # name, (IV) value },	875	# define const_niv(name, value) { # name, (IV) value },
		876	# define const_iv(name) { # name, (IV) name },
596	# define const_eio(name) { # name, (IV) EIO_ ## name },	877	# define const_eio(name) { # name, (IV) EIO_ ## name },
597	const_iv (EXDEV , EXDEV)	878	const_iv (EXDEV)
598	const_iv (ENOSYS , ENOSYS)	879	const_iv (ENOSYS)
599	const_iv (O_RDONLY, O_RDONLY)	880	const_iv (O_RDONLY)
600	const_iv (O_WRONLY, O_WRONLY)	881	const_iv (O_WRONLY)
		882	const_iv (O_RDWR)
601	const_iv (O_CREAT , O_CREAT)	883	const_iv (O_CREAT)
602	const_iv (O_TRUNC , O_TRUNC)	884	const_iv (O_TRUNC)
603	#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
604	const_iv (S_IFIFO , S_IFIFO)	904	const_iv (S_IFIFO)
605	#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
606	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	914	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	915	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	916	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	917	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	918	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611	const_iv (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)
		926
		927	const_iv (ST_RDONLY)
		928	const_iv (ST_NOSUID)
		929	const_iv (ST_NODEV)
		930	const_iv (ST_NOEXEC)
		931	const_iv (ST_SYNCHRONOUS)
		932	const_iv (ST_MANDLOCK)
		933	const_iv (ST_WRITE)
		934	const_iv (ST_APPEND)
		935	const_iv (ST_IMMUTABLE)
		936	const_iv (ST_NOATIME)
		937	const_iv (ST_NODIRATIME)
		938	const_iv (ST_RELATIME)
		939
		940	const_iv (PROT_NONE)
		941	const_iv (PROT_EXEC)
		942	const_iv (PROT_READ)
		943	const_iv (PROT_WRITE)
		944
		945	/*const_iv (MAP_FIXED)*/
		946	const_iv (MAP_PRIVATE)
		947	const_iv (MAP_SHARED)
		948	const_iv (MAP_ANONYMOUS)
		949
		950	/* linuxish */
		951	const_iv (MAP_HUGETLB)
		952	const_iv (MAP_LOCKED)
		953	const_iv (MAP_NORESERVE)
		954	const_iv (MAP_POPULATE)
		955	const_iv (MAP_NONBLOCK)
		956
		957	const_eio (MCL_FUTURE)
		958	const_eio (MCL_CURRENT)
		959
		960	const_eio (MS_ASYNC)
		961	const_eio (MS_INVALIDATE)
		962	const_eio (MS_SYNC)
		963
		964	const_eio (MT_MODIFY)
612		965
613	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614	const_eio (SYNC_FILE_RANGE_WRITE)	967	const_eio (SYNC_FILE_RANGE_WRITE)
615	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		969
		970	const_eio (FALLOC_FL_KEEP_SIZE)
616		971
617	const_eio (READDIR_DENTS)	972	const_eio (READDIR_DENTS)
618	const_eio (READDIR_DIRS_FIRST)	973	const_eio (READDIR_DIRS_FIRST)
619	const_eio (READDIR_STAT_ORDER)	974	const_eio (READDIR_STAT_ORDER)
620	const_eio (READDIR_FOUND_UNKNOWN)	975	const_eio (READDIR_FOUND_UNKNOWN)
…		…
628	const_eio (DT_LNK)	983	const_eio (DT_LNK)
629	const_eio (DT_SOCK)	984	const_eio (DT_SOCK)
630	const_eio (DT_WHT)	985	const_eio (DT_WHT)
631	};	986	};
632		987
633	stash = gv_stashpv ("IO::AIO", 1);	988	aio_stash = gv_stashpv ("IO::AIO" , 1);
		989	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		990	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		991	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
634		992
635	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--)
636	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	994	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
637		995
638	create_respipe ();	996	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
639		997
640	if (eio_init (want_poll, done_poll) < 0)	998	reinit ();
641	croak ("IO::AIO: unable to initialise eio library");
642
643	/* atfork child called in fifo order, so before eio's handler */
644	X_THREAD_ATFORK (0, 0, atfork_child);
645	}	999	}
646		1000
647	void	1001	void
		1002	reinit ()
		1003	PROTOTYPE:
		1004
		1005	void
648	max_poll_reqs (int nreqs)	1006	max_poll_reqs (unsigned int nreqs)
649	PROTOTYPE: $	1007	PROTOTYPE: $
650	CODE:	1008	CODE:
651	eio_set_max_poll_reqs (nreqs);	1009	eio_set_max_poll_reqs (nreqs);
652		1010
653	void	1011	void
…		…
655	PROTOTYPE: $	1013	PROTOTYPE: $
656	CODE:	1014	CODE:
657	eio_set_max_poll_time (nseconds);	1015	eio_set_max_poll_time (nseconds);
658		1016
659	void	1017	void
660	min_parallel (int nthreads)	1018	min_parallel (unsigned int nthreads)
661	PROTOTYPE: $	1019	PROTOTYPE: $
662	CODE:	1020	CODE:
663	eio_set_min_parallel (nthreads);	1021	eio_set_min_parallel (nthreads);
664		1022
665	void	1023	void
666	max_parallel (int nthreads)	1024	max_parallel (unsigned int nthreads)
667	PROTOTYPE: $	1025	PROTOTYPE: $
668	CODE:	1026	CODE:
669	eio_set_max_parallel (nthreads);	1027	eio_set_max_parallel (nthreads);
670		1028
671	void	1029	void
672	max_idle (int nthreads)	1030	max_idle (unsigned int nthreads)
673	PROTOTYPE: $	1031	PROTOTYPE: $
674	CODE:	1032	CODE:
675	eio_set_max_idle (nthreads);	1033	eio_set_max_idle (nthreads);
676		1034
677	void	1035	void
		1036	idle_timeout (unsigned int seconds)
		1037	PROTOTYPE: $
		1038	CODE:
		1039	eio_set_idle_timeout (seconds);
		1040
		1041	void
678	max_outstanding (int maxreqs)	1042	max_outstanding (unsigned int maxreqs)
679	PROTOTYPE: $	1043	PROTOTYPE: $
680	CODE:	1044	CODE:
681	max_outstanding = maxreqs;	1045	max_outstanding = maxreqs;
682		1046
683	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
684	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)
685	PROTOTYPE: $$$;$
686	PPCODE:	1061	PPCODE:
687	{	1062	{
688	dREQ;	1063	dREQ;
689		1064
690	req->type = EIO_OPEN;	1065	req->type = EIO_OPEN;
691	req->sv1 = newSVsv (pathname);	1066	req_set_path1 (req, pathname);
692	req->ptr1 = SvPVbyte_nolen (req->sv1);
693	req->int1 = flags;	1067	req->int1 = flags;
694	req->int2 = mode;	1068	req->int2 = mode;
695		1069
696	REQ_SEND;	1070	REQ_SEND;
697	}	1071	}
698		1072
699	void	1073	void
700	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1074	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
701	PROTOTYPE: $;$
702	ALIAS:	1075	ALIAS:
703	aio_fsync = EIO_FSYNC	1076	aio_fsync = EIO_FSYNC
704	aio_fdatasync = EIO_FDATASYNC	1077	aio_fdatasync = EIO_FDATASYNC
		1078	aio_syncfs = EIO_SYNCFS
705	PPCODE:	1079	PPCODE:
706	{	1080	{
707	int fd = extract_fd (fh, 0);	1081	int fd = s_fileno_croak (fh, 0);
708	dREQ;	1082	dREQ;
709		1083
710	req->type = ix;	1084	req->type = ix;
711	req->sv1 = newSVsv (fh);	1085	req->sv1 = newSVsv (fh);
712	req->int1 = fd;	1086	req->int1 = fd;
…		…
714	REQ_SEND (req);	1088	REQ_SEND (req);
715	}	1089	}
716		1090
717	void	1091	void
718	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1092	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
719	PROTOTYPE: $$$$;$
720	PPCODE:	1093	PPCODE:
721	{	1094	{
722	int fd = extract_fd (fh, 0);	1095	int fd = s_fileno_croak (fh, 0);
723	dREQ;	1096	dREQ;
724		1097
725	req->type = EIO_SYNC_FILE_RANGE;	1098	req->type = EIO_SYNC_FILE_RANGE;
726	req->sv1 = newSVsv (fh);	1099	req->sv1 = newSVsv (fh);
727	req->int1 = fd;	1100	req->int1 = fd;
…		…
731		1104
732	REQ_SEND (req);	1105	REQ_SEND (req);
733	}	1106	}
734		1107
735	void	1108	void
		1109	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1110	PPCODE:
		1111	{
		1112	int fd = s_fileno_croak (fh, 0);
		1113	dREQ;
		1114
		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
736	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1126	aio_close (SV *fh, SV *callback=&PL_sv_undef)
737	PROTOTYPE: $;$
738	PPCODE:	1127	PPCODE:
739	{	1128	{
740	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1129	static int close_fd = -1; /* dummy fd to close fds via dup2 */
741	int fd = extract_fd (fh, 0);	1130	int fd = s_fileno_croak (fh, 0);
742	dREQ;	1131	dREQ;
743		1132
744	if (close_pipe < 0)	1133	if (expect_false (close_fd < 0))
745	{	1134	{
746	int pipefd [2];	1135	int pipefd [2];
747		1136
		1137	if (
		1138	#ifdef _WIN32
		1139	_pipe (pipefd, 1, _O_BINARY) < 0
		1140	#else
748	if (pipe (pipefd) < 0	1141	pipe (pipefd) < 0
749	|| close (pipefd [1]) < 0
750	|| 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	)
751	abort (); /*D*/	1146	abort (); /*D*/
752		1147
753	close_pipe = pipefd [0];	1148	close_fd = pipefd [0];
754	}	1149	}
755		1150
756	req->type = EIO_DUP2;	1151	req->type = EIO_DUP2;
757	req->int1 = close_pipe;	1152	req->int1 = close_fd;
758	req->sv2 = newSVsv (fh);	1153	req->sv2 = newSVsv (fh);
759	req->int2 = fd;	1154	req->int2 = fd;
760		1155
761	REQ_SEND (req);	1156	REQ_SEND (req);
762	}	1157	}
…		…
764	void	1159	void
765	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)
766	ALIAS:	1161	ALIAS:
767	aio_read = EIO_READ	1162	aio_read = EIO_READ
768	aio_write = EIO_WRITE	1163	aio_write = EIO_WRITE
769	PROTOTYPE: $$$$$;$
770	PPCODE:	1164	PPCODE:
771	{	1165	{
772	STRLEN svlen;	1166	STRLEN svlen;
773	int fd = extract_fd (fh, ix == EIO_WRITE);	1167	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774	char *svptr = SvPVbyte (data, svlen);	1168	char *svptr = SvPVbyte (data, svlen);
775	UV len = SvUV (length);	1169	UV len = SvUV (length);
776		1170
777	if (dataoffset < 0)	1171	if (dataoffset < 0)
778	dataoffset += svlen;	1172	dataoffset += svlen;
…		…
814	REQ_SEND;	1208	REQ_SEND;
815	}	1209	}
816	}	1210	}
817		1211
818	void	1212	void
819	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1213	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
820	PROTOTYPE: $$;$	1214	ALIAS:
		1215	aio_readlink = EIO_READLINK
		1216	aio_realpath = EIO_REALPATH
821	PPCODE:	1217	PPCODE:
822	{	1218	{
823	SV *data;
824	dREQ;	1219	dREQ;
825		1220
826	req->type = EIO_READLINK;	1221	req->type = ix;
827	req->sv1 = newSVsv (path);	1222	req_set_path1 (req, pathname);
828	req->ptr1 = SvPVbyte_nolen (req->sv1);
829		1223
830	REQ_SEND;	1224	REQ_SEND;
831	}	1225	}
832		1226
833	void	1227	void
834	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)
835	PROTOTYPE: $$$$;$
836	PPCODE:	1229	PPCODE:
837	{	1230	{
838	int ifd = extract_fd (in_fh , 0);	1231	int ifd = s_fileno_croak (in_fh , 0);
839	int ofd = extract_fd (out_fh, 0);	1232	int ofd = s_fileno_croak (out_fh, 1);
840	dREQ;	1233	dREQ;
841		1234
842	req->type = EIO_SENDFILE;	1235	req->type = EIO_SENDFILE;
843	req->sv1 = newSVsv (out_fh);	1236	req->sv1 = newSVsv (out_fh);
844	req->int1 = ofd;	1237	req->int1 = ofd;
…		…
850	REQ_SEND;	1243	REQ_SEND;
851	}	1244	}
852		1245
853	void	1246	void
854	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1247	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
855	PROTOTYPE: $$$;$
856	PPCODE:	1248	PPCODE:
857	{	1249	{
858	int fd = extract_fd (fh, 0);	1250	int fd = s_fileno_croak (fh, 0);
859	dREQ;	1251	dREQ;
860		1252
861	req->type = EIO_READAHEAD;	1253	req->type = EIO_READAHEAD;
862	req->sv1 = newSVsv (fh);	1254	req->sv1 = newSVsv (fh);
863	req->int1 = fd;	1255	req->int1 = fd;
…		…
868	}	1260	}
869		1261
870	void	1262	void
871	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1263	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
872	ALIAS:	1264	ALIAS:
873	aio_stat = EIO_STAT	1265	aio_stat = EIO_STAT
874	aio_lstat = EIO_LSTAT	1266	aio_lstat = EIO_LSTAT
		1267	aio_statvfs = EIO_STATVFS
875	PPCODE:	1268	PPCODE:
876	{	1269	{
877	dREQ;	1270	dREQ;
878		1271
879	req->sv1 = newSVsv (fh_or_path);	1272	req->sv1 = newSVsv (fh_or_path);
880		1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
881	if (SvPOK (req->sv1))
882	{
883	req->type = ix;
884	req->ptr1 = SvPVbyte_nolen (req->sv1);
885	}
886	else
887	{
888	req->type = EIO_FSTAT;
889	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890	}
891
892	REQ_SEND;	1274	REQ_SEND;
893	}	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
894		1292
895	void	1293	void
896	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)
897	PPCODE:	1295	PPCODE:
898	{	1296	{
899	dREQ;	1297	dREQ;
900		1298
901	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1299	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
902	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1300	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
903	req->sv1 = newSVsv (fh_or_path);	1301	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
904
905	if (SvPOK (req->sv1))
906	{
907	req->type = EIO_UTIME;
908	req->ptr1 = SvPVbyte_nolen (req->sv1);
909	}
910	else
911	{
912	req->type = EIO_FUTIME;
913	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
914	}
915		1302
916	REQ_SEND;	1303	REQ_SEND;
917	}	1304	}
918		1305
919	void	1306	void
920	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)
921	PPCODE:	1308	PPCODE:
922	{	1309	{
923	dREQ;	1310	dREQ;
924		1311
925	req->sv1 = newSVsv (fh_or_path);
926	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1312	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
927		1313	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
928	if (SvPOK (req->sv1))
929	{
930	req->type = EIO_TRUNCATE;
931	req->ptr1 = SvPVbyte_nolen (req->sv1);
932	}
933	else
934	{
935	req->type = EIO_FTRUNCATE;
936	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
937	}
938		1314
939	REQ_SEND;	1315	REQ_SEND;
940	}	1316	}
941		1317
942	void	1318	void
…		…
947	PPCODE:	1323	PPCODE:
948	{	1324	{
949	dREQ;	1325	dREQ;
950		1326
951	req->int2 = mode;	1327	req->int2 = mode;
952	req->sv1 = newSVsv (fh_or_path);	1328	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
953
954	if (SvPOK (req->sv1))
955	{
956	req->type = ix;
957	req->ptr1 = SvPVbyte_nolen (req->sv1);
958	}
959	else
960	{
961	req->type = EIO_FCHMOD;
962	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
963	}
964		1329
965	REQ_SEND;	1330	REQ_SEND;
966	}	1331	}
967		1332
968	void	1333	void
…		…
971	{	1336	{
972	dREQ;	1337	dREQ;
973		1338
974	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1339	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
975	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1340	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
976	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
977
978	if (SvPOK (req->sv1))
979	{
980	req->type = EIO_CHOWN;
981	req->ptr1 = SvPVbyte_nolen (req->sv1);
982	}
983	else
984	{
985	req->type = EIO_FCHOWN;
986	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
987	}
988		1342
989	REQ_SEND;	1343	REQ_SEND;
990	}	1344	}
991		1345
992	void	1346	void
…		…
1015	PPCODE:	1369	PPCODE:
1016	{	1370	{
1017	dREQ;	1371	dREQ;
1018		1372
1019	req->type = ix;	1373	req->type = ix;
1020	req->sv1 = newSVsv (pathname);	1374	req_set_path1 (req, pathname);
1021	req->ptr1 = SvPVbyte_nolen (req->sv1);
1022		1375
1023	REQ_SEND;	1376	REQ_SEND;
1024	}	1377	}
1025		1378
1026	void	1379	void
…		…
1030	aio_symlink = EIO_SYMLINK	1383	aio_symlink = EIO_SYMLINK
1031	aio_rename = EIO_RENAME	1384	aio_rename = EIO_RENAME
1032	PPCODE:	1385	PPCODE:
1033	{	1386	{
1034	dREQ;	1387	dREQ;
		1388	eio_wd wd2;
1035		1389
1036	req->type = ix;	1390	req->type = ix;
1037	req->sv1 = newSVsv (oldpath);	1391	req_set_path1 (req, oldpath);
1038	req->ptr1 = SvPVbyte_nolen (req->sv1);	1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1039	req->sv2 = newSVsv (newpath);	1393	req->int3 = (long)wd2;
1040	req->ptr2 = SvPVbyte_nolen (req->sv2);
1041		1394
1042	REQ_SEND;	1395	REQ_SEND;
1043	}	1396	}
1044		1397
1045	void	1398	void
…		…
1047	PPCODE:	1400	PPCODE:
1048	{	1401	{
1049	dREQ;	1402	dREQ;
1050		1403
1051	req->type = EIO_MKNOD;	1404	req->type = EIO_MKNOD;
1052	req->sv1 = newSVsv (pathname);
1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
1054	req->int2 = (mode_t)mode;	1405	req->int2 = (mode_t)mode;
1055	req->offs = dev;	1406	req->offs = dev;
		1407	req_set_path1 (req, pathname);
1056		1408
1057	REQ_SEND;	1409	REQ_SEND;
1058	}	1410	}
1059		1411
1060	void	1412	void
		1413	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1414	ALIAS:
		1415	aio_mtouch = EIO_MTOUCH
		1416	aio_msync = EIO_MSYNC
		1417	PPCODE:
		1418	{
		1419	STRLEN svlen;
		1420	char *svptr = SvPVbyte (data, svlen);
		1421	UV len = SvUV (length);
		1422
		1423	if (offset < 0)
		1424	offset += svlen;
		1425
		1426	if (offset < 0 || offset > svlen)
		1427	croak ("offset outside of scalar");
		1428
		1429	if (!SvOK (length) || len + offset > svlen)
		1430	len = svlen - offset;
		1431
		1432	{
		1433	dREQ;
		1434
		1435	req->type = ix;
		1436	req->sv2 = SvREFCNT_inc (data);
		1437	req->ptr2 = (char *)svptr + offset;
		1438	req->size = len;
		1439	req->int1 = flags;
		1440
		1441	REQ_SEND;
		1442	}
		1443	}
		1444
		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
1061	aio_busy (double delay, SV *callback=&PL_sv_undef)	1487	aio_busy (double delay, SV *callback=&PL_sv_undef)
1062	PPCODE:	1488	PPCODE:
1063	{	1489	{
1064	dREQ;	1490	dREQ;
1065		1491
…		…
1069	REQ_SEND;	1495	REQ_SEND;
1070	}	1496	}
1071		1497
1072	void	1498	void
1073	aio_group (SV *callback=&PL_sv_undef)	1499	aio_group (SV *callback=&PL_sv_undef)
1074	PROTOTYPE: ;$
1075	PPCODE:	1500	PPCODE:
1076	{	1501	{
1077	dREQ;	1502	dREQ;
1078		1503
1079	req->type = EIO_GROUP;	1504	req->type = EIO_GROUP;
1080		1505
1081	req_submit (req);	1506	req_submit (req);
1082	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1507	XPUSHs (req_sv (req, aio_grp_stash));
1083	}	1508	}
1084		1509
1085	void	1510	void
1086	aio_nop (SV *callback=&PL_sv_undef)	1511	aio_nop (SV *callback=&PL_sv_undef)
1087	ALIAS:	1512	ALIAS:
…		…
1096	REQ_SEND;	1521	REQ_SEND;
1097	}	1522	}
1098		1523
1099	int	1524	int
1100	aioreq_pri (int pri = 0)	1525	aioreq_pri (int pri = 0)
1101	PROTOTYPE: ;$
1102	CODE:	1526	CODE:
1103	RETVAL = next_pri;	1527	RETVAL = next_pri;
1104	if (items > 0)	1528	if (items > 0)
1105	{	1529	{
1106	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1530	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1118	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1542	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119	next_pri = nice;	1543	next_pri = nice;
1120		1544
1121	void	1545	void
1122	flush ()	1546	flush ()
1123	PROTOTYPE:
1124	CODE:	1547	CODE:
1125	while (eio_nreqs ())	1548	while (eio_nreqs ())
1126	{	1549	{
1127	poll_wait ();	1550	poll_wait ();
1128	poll_cb ();	1551	poll_cb ();
1129	}	1552	}
1130		1553
1131	int	1554	int
1132	poll()	1555	poll ()
1133	PROTOTYPE:
1134	CODE:	1556	CODE:
1135	poll_wait ();	1557	poll_wait ();
1136	RETVAL = poll_cb ();	1558	RETVAL = poll_cb ();
1137	OUTPUT:	1559	OUTPUT:
1138	RETVAL	1560	RETVAL
1139		1561
1140	int	1562	int
1141	poll_fileno()	1563	poll_fileno ()
1142	PROTOTYPE:
1143	CODE:	1564	CODE:
1144	RETVAL = respipe [0];	1565	RETVAL = s_epipe_fd (&respipe);
1145	OUTPUT:	1566	OUTPUT:
1146	RETVAL	1567	RETVAL
1147		1568
1148	int	1569	int
1149	poll_cb(...)	1570	poll_cb (...)
1150	PROTOTYPE:	1571	PROTOTYPE:
1151	CODE:	1572	CODE:
1152	RETVAL = poll_cb ();	1573	RETVAL = poll_cb ();
1153	OUTPUT:	1574	OUTPUT:
1154	RETVAL	1575	RETVAL
1155		1576
1156	void	1577	void
1157	poll_wait()	1578	poll_wait ()
1158	PROTOTYPE:
1159	CODE:	1579	CODE:
1160	poll_wait ();	1580	poll_wait ();
1161		1581
1162	int	1582	int
1163	nreqs()	1583	nreqs ()
1164	PROTOTYPE:
1165	CODE:	1584	CODE:
1166	RETVAL = eio_nreqs ();	1585	RETVAL = eio_nreqs ();
1167	OUTPUT:	1586	OUTPUT:
1168	RETVAL	1587	RETVAL
1169		1588
1170	int	1589	int
1171	nready()	1590	nready ()
1172	PROTOTYPE:
1173	CODE:	1591	CODE:
1174	RETVAL = eio_nready ();	1592	RETVAL = eio_nready ();
1175	OUTPUT:	1593	OUTPUT:
1176	RETVAL	1594	RETVAL
1177		1595
1178	int	1596	int
1179	npending()	1597	npending ()
1180	PROTOTYPE:
1181	CODE:	1598	CODE:
1182	RETVAL = eio_npending ();	1599	RETVAL = eio_npending ();
1183	OUTPUT:	1600	OUTPUT:
1184	RETVAL	1601	RETVAL
1185		1602
1186	int	1603	int
1187	nthreads()	1604	nthreads ()
1188	PROTOTYPE:
1189	CODE:	1605	CODE:
1190	RETVAL = eio_nthreads ();	1606	RETVAL = eio_nthreads ();
1191	OUTPUT:	1607	OUTPUT:
1192	RETVAL	1608	RETVAL
1193		1609
1194	int	1610	int
1195	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)
1196	PROTOTYPE: $$$$
1197	CODE:	1612	CODE:
1198	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1199	RETVAL = posix_fadvise (fh, offset, length, advice);	1613	RETVAL = posix_fadvise (fh, offset, length, advice);
1200	#else
1201	RETVAL = errno = ENOSYS;
1202	#endif
1203	OUTPUT:	1614	OUTPUT:
1204	RETVAL	1615	RETVAL
1205		1616
1206	ssize_t	1617	IV
1207	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1618	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1208	PROTOTYPE: $$$$
1209	CODE:	1619	CODE:
1210	eio_sendfile_sync (ofh, ifh, offset, count);	1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1621	OUTPUT:
		1622	RETVAL
		1623
		1624	void
		1625	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1626	PPCODE:
		1627	sv_unmagic (scalar, MMAP_MAGIC);
		1628	{
		1629	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1630	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1631	if (addr == (void *)-1)
		1632	XSRETURN_NO;
		1633
		1634	sv_force_normal (scalar);
		1635
		1636	/* we store the length in mg_obj, as namlen is I32 :/ */
		1637	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1638	->mg_obj = (SV *)length;
		1639
		1640	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1641
		1642	if (!(prot & PROT_WRITE))
		1643	SvREADONLY_on (scalar);
		1644
		1645	if (SvLEN (scalar))
		1646	Safefree (SvPVX (scalar));
		1647
		1648	SvPVX (scalar) = (char *)addr;
		1649	SvCUR_set (scalar, length);
		1650	SvLEN_set (scalar, 0);
		1651	SvPOK_only (scalar);
		1652
		1653	XSRETURN_YES;
		1654	}
		1655
		1656	void
		1657	munmap (SV *scalar)
		1658	CODE:
		1659	sv_unmagic (scalar, MMAP_MAGIC);
		1660
		1661	int
		1662	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1663	ALIAS:
		1664	mprotect = 1
		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);
		1711	#if _POSIX_MEMLOCK_RANGE
		1712	RETVAL = munlock (addr, len);
		1713	#else
		1714	RETVAL = ((errno = ENOSYS), -1);
		1715	#endif
		1716	}
		1717	OUTPUT:
		1718	RETVAL
		1719
		1720	int
		1721	munlockall ()
		1722	CODE:
		1723	#if _POSIX_MEMLOCK
		1724	munlockall ();
		1725	#else
		1726	RETVAL = -1;
		1727	errno = ENOSYS;
		1728	#endif
		1729	OUTPUT:
		1730	RETVAL
1211		1731
1212	void _on_next_submit (SV *cb)	1732	void _on_next_submit (SV *cb)
1213	CODE:	1733	CODE:
1214	SvREFCNT_dec (on_next_submit);	1734	SvREFCNT_dec (on_next_submit);
1215	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1735	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1216		1736
1217	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1218		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
1219	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1757	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1220		1758
1221	void	1759	void
1222	cancel (aio_req_ornot req)	1760	cancel (aio_req_ornot req)
1223	CODE:	1761	CODE:
…		…
1230	if (GIMME_V != G_VOID)	1768	if (GIMME_V != G_VOID)
1231	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1769	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1232		1770
1233	if (items > 1)	1771	if (items > 1)
1234	{	1772	{
1235	SV *cb_cv = get_cb (callback);	1773	SV *cb_cv =get_cb (callback);
1236		1774
1237	SvREFCNT_dec (req->callback);	1775	SvREFCNT_dec (req->callback);
1238	req->callback = SvREFCNT_inc (cb_cv);	1776	req->callback = SvREFCNT_inc (cb_cv);
1239	}	1777	}
1240	}	1778	}

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