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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.144 by root, Fri Jun 12 16:48:08 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
75		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
		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
		81	# define VAL64 IV
80	# define SvVAL64 SvIV	82	# define SvVAL64 SvIV
		83	# define newSVval64 newSViv
81	#else	84	#else
		85	# define VAL64 NV
82	# define SvVAL64 SvNV	86	# define SvVAL64 SvNV
		87	# define newSVval64 newSVnv
83	#endif	88	#endif
84		89
85	/*****************************************************************************/	90	/*****************************************************************************/
86		91
87	#if __GNUC__ >= 3	92	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	98	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	99	#define expect_true(expr) expect ((expr) != 0, 1)
95		100
96	/*****************************************************************************/	101	/*****************************************************************************/
97		102
98	static HV *stash;
99	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 */
		105	typedef int aio_wfd; /* write file descriptor */
100		106
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		108
104	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
105	SV *callback; \	110	SV *callback; \
106	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
107	STRLEN stroffset; \	113	STRLEN stroffset; \
108	SV *self;	114	SV *self;
109		115
110	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
111		117
		118	#include "libeio/config.h"
112	#include "libeio/eio.h"	119	#include "libeio/eio.h"
113		120
114	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
118		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
119	enum {	329	enum {
120	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121	};	331	};
122		332
123	#include "libeio/eio.c"
124
125	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
126	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd *aio_wd;
127		336
128	static SV *on_next_submit;	337	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	339	static int max_outstanding;
131		340
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
133		342
134	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
136		345
137	static void want_poll (void)	346	static void want_poll (void)
138	{	347	{
139	/* write a dummy byte to the pipe so fh becomes ready */	348	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	349	s_epipe_signal (&respipe);
141	}	350	}
142		351
143	static void done_poll (void)	352	static void done_poll (void)
144	{	353	{
145	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
146	char buf [4];	355	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	356	}
150		357
151	/* must be called at most once */	358	/* must be called at most once */
152	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
153	{	360	{
154	if (!req->self)	361	if (!req->self)
155	{	362	{
156	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	365	}
159		366
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	368	}
162		369
163	static aio_req SvAIO_REQ (SV *sv)	370	static aio_req SvAIO_REQ (SV *sv)
164	{	371	{
165	MAGIC *mg;	372	MAGIC *mg;
166		373
167	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")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	378	croak ("object of class IO::AIO::REQ expected");
169		379
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		381
172	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));
173	}	393	}
174		394
175	static void aio_grp_feed (aio_req grp)	395	static void aio_grp_feed (aio_req grp)
176	{	396	{
177	if (grp->sv2 && SvOK (grp->sv2))	397	if (grp->sv2 && SvOK (grp->sv2))
…		…
179	dSP;	399	dSP;
180		400
181	ENTER;	401	ENTER;
182	SAVETMPS;	402	SAVETMPS;
183	PUSHMARK (SP);	403	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	404	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	405	PUTBACK;
186	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	406	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187	SPAGAIN;	407	SPAGAIN;
188	FREETMPS;	408	FREETMPS;
189	LEAVE;	409	LEAVE;
…		…
207	}	427	}
208	}	428	}
209		429
210	static int req_invoke (eio_req *req)	430	static int req_invoke (eio_req *req)
211	{	431	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	432	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	433	SvREADONLY_off (req->sv2);
216		434
217	if (!EIO_CANCELLED (req) && req->callback)	435	if (!EIO_CANCELLED (req) && req->callback)
218	{	436	{
		437	dSP;
		438	static SV *sv_result_cache; /* caches the result integer SV */
		439	SV *sv_result;
		440
219	ENTER;	441	ENTER;
220	SAVETMPS;	442	SAVETMPS;
221	PUSHMARK (SP);	443	PUSHMARK (SP);
222	EXTEND (SP, 1);	444	EXTEND (SP, 1);
223		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
224	switch (req->type)	459	switch (req->type)
225	{	460	{
		461	case EIO_WD_OPEN:
		462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));
		463	break;
		464
226	case EIO_READDIR:	465	case EIO_READDIR:
227	{	466	{
228	SV *rv = &PL_sv_undef;	467	SV *rv = &PL_sv_undef;
229		468
230	if (req->result >= 0)	469	if (req->result >= 0)
231	{	470	{
232	int i;	471	int i;
233	char *buf = req->ptr2;	472	char *names = (char *)req->ptr2;
		473	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234	AV *av = newAV ();	474	AV *av = newAV ();
235		475
236	av_extend (av, req->result - 1);	476	av_extend (av, req->result - 1);
237		477
238	for (i = 0; i < req->result; ++i)	478	for (i = 0; i < req->result; ++i)
239	{	479	{
240	if (req->int1 & EIO_READDIR_DENTS)	480	if (req->int1 & EIO_READDIR_DENTS)
241	{	481	{
242	eio_dirent *ent = (eio_dirent *)buf;
243	SV *namesv = newSVpvn (ent->name, ent->namelen);	482	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244		483
245	if (req->int1 & EIO_READDIR_CUSTOM2)	484	if (req->int1 & EIO_READDIR_CUSTOM2)
246	{	485	{
247	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */	486	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248	AV *avent = newAV ();	487	AV *avent = newAV ();
…		…
262	av_store (av, i, newRV_noinc ((SV *)avent));	501	av_store (av, i, newRV_noinc ((SV *)avent));
263	}	502	}
264	else	503	else
265	av_store (av, i, namesv);	504	av_store (av, i, namesv);
266		505
267	buf += sizeof (eio_dirent);	506	++ent;
268	}	507	}
269	else	508	else
270	{	509	{
271	SV *name = newSVpv (buf, 0);	510	SV *name = newSVpv (names, 0);
272	av_store (av, i, name);	511	av_store (av, i, name);
273	buf += SvCUR (name) + 1;	512	names += SvCUR (name) + 1;
274	}	513	}
275	}	514	}
276		515
277	rv = sv_2mortal (newRV_noinc ((SV *)av));	516	rv = sv_2mortal (newRV_noinc ((SV *)av));
278	}	517	}
…		…
294	GV *gv = (GV *)sv_newmortal ();	533	GV *gv = (GV *)sv_newmortal ();
295	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	534	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
296	char sym [64];	535	char sym [64];
297	int symlen;	536	int symlen;
298		537
299	symlen = snprintf (sym, sizeof (sym), "fd#%u", (unsigned int)req->result);	538	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
300	gv_init (gv, stash, sym, symlen, 0);	539	gv_init (gv, aio_stash, sym, symlen, 0);
301		540
302	symlen = snprintf (	541	symlen = snprintf (
303	sym,	542	sym,
304	sizeof (sym),	543	sizeof (sym),
305	"%s&=%u",	544	"%s&=%d",
306	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	545	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307	(unsigned int)req->result	546	(int)req->result
308	);	547	);
309		548
310	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	549	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
311	fh = (SV *)gv;	550	fh = (SV *)gv;
312	}	551	}
313		552
314	PUSHs (fh);	553	PUSHs (fh);
315	}	554	}
		555	break;
		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
316	break;	587	break;
317		588
318	case EIO_GROUP:	589	case EIO_GROUP:
319	req->int1 = 2; /* mark group as finished */	590	req->int1 = 2; /* mark group as finished */
320		591
…		…
332	case EIO_NOP:	603	case EIO_NOP:
333	case EIO_BUSY:	604	case EIO_BUSY:
334	break;	605	break;
335		606
336	case EIO_READLINK:	607	case EIO_READLINK:
		608	case EIO_REALPATH:
337	if (req->result > 0)	609	if (req->result > 0)
338	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	610	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339	break;	611	break;
340		612
341	case EIO_STAT:	613	case EIO_STAT:
342	case EIO_LSTAT:	614	case EIO_LSTAT:
343	case EIO_FSTAT:	615	case EIO_FSTAT:
344	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
345	PL_laststatval = req->result;	617	PL_laststatval = req->result;
		618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
346	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	619	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347	PUSHs (sv_2mortal (newSViv (req->result)));	620	PUSHs (sv_result);
348	break;	621	break;
349		622
350	case EIO_READ:	623	case EIO_READ:
351	{	624	{
352	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));
353	*SvEND (req->sv2) = 0;	626	*SvEND (req->sv2) = 0;
354	SvPOK_only (req->sv2);	627	SvPOK_only (req->sv2);
355	SvSETMAGIC (req->sv2);	628	SvSETMAGIC (req->sv2);
356	PUSHs (sv_2mortal (newSViv (req->result)));	629	PUSHs (sv_result);
357	}	630	}
358	break;	631	break;
359		632
360	case EIO_DUP2:	633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
361	if (req->result > 0)	634	if (req->result > 0)
362	req->result = 0;	635	SvIV_set (sv_result, 0);
363	/* FALLTHROUGH */	636	/* FALLTHROUGH */
364		637
365	default:	638	default:
366	PUSHs (sv_2mortal (newSViv (req->result)));	639	PUSHs (sv_result);
367	break;	640	break;
368	}	641	}
369		642
370	errno = req->errorno;	643	errno = req->errorno;
371		644
372	PUTBACK;	645	PUTBACK;
373	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	646	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374	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;
375		653
376	FREETMPS;	654	FREETMPS;
377	LEAVE;	655	LEAVE;
378		656
379	PUTBACK;	657	PUTBACK;
…		…
390	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
391	}	669	}
392		670
393	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
394	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
395	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
396		676
397	Safefree (req);	677	Safefree (req);
398	}	678	}
399		679
400	static void req_cancel_subs (aio_req grp)	680	static void req_cancel_subs (aio_req grp)
401	{	681	{
402	aio_req sub;
403
404	if (grp->type != EIO_GROUP)	682	if (grp->type != EIO_GROUP)
405	return;	683	return;
406		684
407	SvREFCNT_dec (grp->sv2);	685	SvREFCNT_dec (grp->sv2);
408	grp->sv2 = 0;	686	grp->sv2 = 0;
409		687
410	eio_grp_cancel (grp);	688	eio_grp_cancel (grp);
411	}	689	}
412		690
413	#ifdef USE_SOCKETS_AS_HANDLES
414	# define TO_SOCKET(x) (win32_get_osfhandle (x))
415	#else
416	# define TO_SOCKET(x) (x)
417	#endif
418
419	static void
420	create_respipe (void)	691	static void create_respipe (void)
421	{	692	{
422	int old_readfd = respipe [0];
423
424	if (respipe [1] >= 0)
425	respipe_close (TO_SOCKET (respipe [1]));
426
427	#ifdef _WIN32
428	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429	#else
430	if (pipe (respipe))	693	if (s_epipe_renew (&respipe))
431	#endif
432	croak ("unable to initialize result pipe");	694	croak ("IO::AIO: unable to initialize result pipe");
433
434	if (old_readfd >= 0)
435	{
436	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437	croak ("unable to initialize result pipe(2)");
438
439	respipe_close (respipe [0]);
440	respipe [0] = old_readfd;
441	}
442
443	#ifdef _WIN32
444	int arg = 1;
445	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447	#else
448	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450	#endif
451	croak ("unable to initialize result pipe(3)");
452
453	respipe_osf [0] = TO_SOCKET (respipe [0]);
454	respipe_osf [1] = TO_SOCKET (respipe [1]);
455	}	695	}
456		696
457	static void poll_wait (void)	697	static void poll_wait (void)
458	{	698	{
459	fd_set rfd;
460
461	while (eio_nreqs ())	699	while (eio_nreqs ())
462	{	700	{
463	int size;	701	int size;
464		702
465	X_LOCK (reslock);	703	X_LOCK (reslock);
…		…
469	if (size)	707	if (size)
470	return;	708	return;
471		709
472	etp_maybe_start_thread ();	710	etp_maybe_start_thread ();
473		711
474	FD_ZERO (&rfd);	712	s_epipe_wait (&respipe);
475	FD_SET (respipe [0], &rfd);
476
477	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478	}	713	}
479	}	714	}
480		715
481	static int poll_cb (void)	716	static int poll_cb (void)
482	{	717	{
…		…
492		727
493	poll_wait ();	728	poll_wait ();
494	}	729	}
495	}	730	}
496		731
497	static void atfork_child (void)	732	static void ecb_cold
		733	reinit (void)
498	{	734	{
499	create_respipe ();	735	create_respipe ();
500	}
501		736
502	static SV *	737	if (eio_init (want_poll, done_poll) < 0)
503	get_cb (SV *cb_sv)	738	croak ("IO::AIO: unable to initialise eio library");
504	{	739	}
505	HV *st;
506	GV *gvp;
507	CV *cv;
508		740
509	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
510	return 0;	776	return 0;
		777	}
511		778
512	cv = sv_2cv (cb_sv, &st, &gvp, 0);	779	static MGVTBL mmap_vtbl = {
		780	0, 0, 0, 0, mmap_free
		781	};
513		782
514	if (!cv)	783	/*****************************************************************************/
515	croak ("IO::AIO callback must be undef or a CODE reference");
516		784
517	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;
518	}	789	}
519		790
520	#define dREQ \	791	#define dREQ \
521	SV *cb_cv; \	792	SV *cb_cv; \
522	aio_req req; \	793	aio_req req; \
…		…
536	PUTBACK; \	807	PUTBACK; \
537	req_submit (req); \	808	req_submit (req); \
538	SPAGAIN; \	809	SPAGAIN; \
539	\	810	\
540	if (GIMME_V != G_VOID) \	811	if (GIMME_V != G_VOID) \
541	XPUSHs (req_sv (req, AIO_REQ_KLASS));	812	XPUSHs (req_sv (req, aio_req_stash));
542		813
543	static int	814	static void
544	extract_fd (SV *fh, int wr)	815	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
545	{	816	{
546	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;
547		821
548	if (fd < 0)	822	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
549	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");
550		824
551	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
552	}	863	}
553		864
554	MODULE = IO::AIO PACKAGE = IO::AIO	865	MODULE = IO::AIO PACKAGE = IO::AIO
555		866
556	PROTOTYPES: ENABLE	867	PROTOTYPES: ENABLE
557		868
558	BOOT:	869	BOOT:
559	{	870	{
560	stash = gv_stashpv ("IO::AIO", 1);
561
562	static const struct {	871	static const struct {
563	const char *name;	872	const char *name;
564	IV iv;	873	IV iv;
565	} *civ, const_iv[] = {	874	} *civ, const_iv[] = {
566	# 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 },
567	# define const_eio(name) { # name, (IV) EIO_ ## name },	877	# define const_eio(name) { # name, (IV) EIO_ ## name },
568	const_iv (EXDEV , EXDEV)	878	const_iv (EXDEV)
569	const_iv (ENOSYS , ENOSYS)	879	const_iv (ENOSYS)
570	const_iv (O_RDONLY, O_RDONLY)	880	const_iv (O_RDONLY)
571	const_iv (O_WRONLY, O_WRONLY)	881	const_iv (O_WRONLY)
		882	const_iv (O_RDWR)
572	const_iv (O_CREAT , O_CREAT)	883	const_iv (O_CREAT)
573	const_iv (O_TRUNC , O_TRUNC)	884	const_iv (O_TRUNC)
574	#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
575	const_iv (S_IFIFO , S_IFIFO)	904	const_iv (S_IFIFO)
576	#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
		914	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		915	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		916	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		917	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		918	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		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)
		965
577	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578	const_eio (SYNC_FILE_RANGE_WRITE)	967	const_eio (SYNC_FILE_RANGE_WRITE)
579	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		969
		970	const_eio (FALLOC_FL_KEEP_SIZE)
580		971
581	const_eio (READDIR_DENTS)	972	const_eio (READDIR_DENTS)
582	const_eio (READDIR_DIRS_FIRST)	973	const_eio (READDIR_DIRS_FIRST)
583	const_eio (READDIR_STAT_ORDER)	974	const_eio (READDIR_STAT_ORDER)
584	const_eio (READDIR_FOUND_UNKNOWN)	975	const_eio (READDIR_FOUND_UNKNOWN)
…		…
592	const_eio (DT_LNK)	983	const_eio (DT_LNK)
593	const_eio (DT_SOCK)	984	const_eio (DT_SOCK)
594	const_eio (DT_WHT)	985	const_eio (DT_WHT)
595	};	986	};
596		987
		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);
		992
597	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--)
598	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	994	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599		995
600	create_respipe ();	996	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601		997
602	if (eio_init (want_poll, done_poll) < 0)	998	reinit ();
603	croak ("IO::AIO: unable to initialise eio library");
604
605	/* atfork child called in fifo order, so before eio's handler */
606	X_THREAD_ATFORK (0, 0, atfork_child);
607	}	999	}
608		1000
609	void	1001	void
		1002	reinit ()
		1003	PROTOTYPE:
		1004
		1005	void
610	max_poll_reqs (int nreqs)	1006	max_poll_reqs (unsigned int nreqs)
611	PROTOTYPE: $	1007	PROTOTYPE: $
612	CODE:	1008	CODE:
613	eio_set_max_poll_reqs (nreqs);	1009	eio_set_max_poll_reqs (nreqs);
614		1010
615	void	1011	void
…		…
617	PROTOTYPE: $	1013	PROTOTYPE: $
618	CODE:	1014	CODE:
619	eio_set_max_poll_time (nseconds);	1015	eio_set_max_poll_time (nseconds);
620		1016
621	void	1017	void
622	min_parallel (int nthreads)	1018	min_parallel (unsigned int nthreads)
623	PROTOTYPE: $	1019	PROTOTYPE: $
624	CODE:	1020	CODE:
625	eio_set_min_parallel (nthreads);	1021	eio_set_min_parallel (nthreads);
626		1022
627	void	1023	void
628	max_parallel (int nthreads)	1024	max_parallel (unsigned int nthreads)
629	PROTOTYPE: $	1025	PROTOTYPE: $
630	CODE:	1026	CODE:
631	eio_set_max_parallel (nthreads);	1027	eio_set_max_parallel (nthreads);
632		1028
633	void	1029	void
634	max_idle (int nthreads)	1030	max_idle (unsigned int nthreads)
635	PROTOTYPE: $	1031	PROTOTYPE: $
636	CODE:	1032	CODE:
637	eio_set_max_idle (nthreads);	1033	eio_set_max_idle (nthreads);
638		1034
639	void	1035	void
		1036	idle_timeout (unsigned int seconds)
		1037	PROTOTYPE: $
		1038	CODE:
		1039	eio_set_idle_timeout (seconds);
		1040
		1041	void
640	max_outstanding (int maxreqs)	1042	max_outstanding (unsigned int maxreqs)
641	PROTOTYPE: $	1043	PROTOTYPE: $
642	CODE:	1044	CODE:
643	max_outstanding = maxreqs;	1045	max_outstanding = maxreqs;
644		1046
645	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
646	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)
647	PROTOTYPE: $$$;$
648	PPCODE:	1061	PPCODE:
649	{	1062	{
650	dREQ;	1063	dREQ;
651		1064
652	req->type = EIO_OPEN;	1065	req->type = EIO_OPEN;
653	req->sv1 = newSVsv (pathname);	1066	req_set_path1 (req, pathname);
654	req->ptr1 = SvPVbyte_nolen (req->sv1);
655	req->int1 = flags;	1067	req->int1 = flags;
656	req->int2 = mode;	1068	req->int2 = mode;
657		1069
658	REQ_SEND;	1070	REQ_SEND;
659	}	1071	}
660		1072
661	void	1073	void
662	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1074	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $;$
664	ALIAS:	1075	ALIAS:
665	aio_fsync = EIO_FSYNC	1076	aio_fsync = EIO_FSYNC
666	aio_fdatasync = EIO_FDATASYNC	1077	aio_fdatasync = EIO_FDATASYNC
		1078	aio_syncfs = EIO_SYNCFS
667	PPCODE:	1079	PPCODE:
668	{	1080	{
669	int fd = extract_fd (fh, 0);	1081	int fd = s_fileno_croak (fh, 0);
670	dREQ;	1082	dREQ;
671		1083
672	req->type = ix;	1084	req->type = ix;
673	req->sv1 = newSVsv (fh);	1085	req->sv1 = newSVsv (fh);
674	req->int1 = fd;	1086	req->int1 = fd;
675		1087
676	REQ_SEND (req);	1088	REQ_SEND (req);
677	}	1089	}
678		1090
679	void	1091	void
680	aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef)	1092	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
681	PROTOTYPE: $$$$;$
682	PPCODE:	1093	PPCODE:
683	{	1094	{
684	int fd = extract_fd (fh, 0);	1095	int fd = s_fileno_croak (fh, 0);
685	dREQ;	1096	dREQ;
686		1097
687	req->type = EIO_SYNC_FILE_RANGE;	1098	req->type = EIO_SYNC_FILE_RANGE;
688	req->sv1 = newSVsv (fh);	1099	req->sv1 = newSVsv (fh);
689	req->int1 = fd;	1100	req->int1 = fd;
690	req->offs = SvVAL64 (offset);	1101	req->offs = offset;
691	req->size = SvVAL64 (nbytes);	1102	req->size = nbytes;
692	req->int2 = flags;	1103	req->int2 = flags;
693		1104
694	REQ_SEND (req);	1105	REQ_SEND (req);
695	}	1106	}
696		1107
697	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
698	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1126	aio_close (SV *fh, SV *callback=&PL_sv_undef)
699	PROTOTYPE: $;$
700	PPCODE:	1127	PPCODE:
701	{	1128	{
702	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 */
703	int fd = extract_fd (fh, 0);	1130	int fd = s_fileno_croak (fh, 0);
704	dREQ;	1131	dREQ;
705		1132
706	if (close_pipe < 0)	1133	if (expect_false (close_fd < 0))
707	{	1134	{
708	int pipefd [2];	1135	int pipefd [2];
709		1136
		1137	if (
		1138	#ifdef _WIN32
		1139	_pipe (pipefd, 1, _O_BINARY) < 0
		1140	#else
710	if (pipe (pipefd) < 0	1141	pipe (pipefd) < 0
711	|| close (pipefd [1]) < 0
712	|| 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	)
713	abort (); /*D*/	1146	abort (); /*D*/
714		1147
715	close_pipe = pipefd [0];	1148	close_fd = pipefd [0];
716	}	1149	}
717		1150
718	req->type = EIO_DUP2;	1151	req->type = EIO_DUP2;
719	req->int1 = close_pipe;	1152	req->int1 = close_fd;
720	req->sv2 = newSVsv (fh);	1153	req->sv2 = newSVsv (fh);
721	req->int2 = fd;	1154	req->int2 = fd;
722		1155
723	REQ_SEND (req);	1156	REQ_SEND (req);
724	}	1157	}
…		…
726	void	1159	void
727	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)
728	ALIAS:	1161	ALIAS:
729	aio_read = EIO_READ	1162	aio_read = EIO_READ
730	aio_write = EIO_WRITE	1163	aio_write = EIO_WRITE
731	PROTOTYPE: $$$$$;$
732	PPCODE:	1164	PPCODE:
733	{	1165	{
734	STRLEN svlen;	1166	STRLEN svlen;
735	int fd = extract_fd (fh, ix == EIO_WRITE);	1167	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736	char *svptr = SvPVbyte (data, svlen);	1168	char *svptr = SvPVbyte (data, svlen);
737	UV len = SvUV (length);	1169	UV len = SvUV (length);
738		1170
739	if (dataoffset < 0)	1171	if (dataoffset < 0)
740	dataoffset += svlen;	1172	dataoffset += svlen;
…		…
776	REQ_SEND;	1208	REQ_SEND;
777	}	1209	}
778	}	1210	}
779		1211
780	void	1212	void
781	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1213	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
782	PROTOTYPE: $$;$	1214	ALIAS:
		1215	aio_readlink = EIO_READLINK
		1216	aio_realpath = EIO_REALPATH
783	PPCODE:	1217	PPCODE:
784	{	1218	{
785	SV *data;
786	dREQ;	1219	dREQ;
787		1220
788	req->type = EIO_READLINK;	1221	req->type = ix;
789	req->sv1 = newSVsv (path);	1222	req_set_path1 (req, pathname);
790	req->ptr1 = SvPVbyte_nolen (req->sv1);
791		1223
792	REQ_SEND;	1224	REQ_SEND;
793	}	1225	}
794		1226
795	void	1227	void
796	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV 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)
797	PROTOTYPE: $$$$;$
798	PPCODE:	1229	PPCODE:
799	{	1230	{
800	int ifd = extract_fd (in_fh , 0);	1231	int ifd = s_fileno_croak (in_fh , 0);
801	int ofd = extract_fd (out_fh, 0);	1232	int ofd = s_fileno_croak (out_fh, 1);
802	dREQ;	1233	dREQ;
803		1234
804	req->type = EIO_SENDFILE;	1235	req->type = EIO_SENDFILE;
805	req->sv1 = newSVsv (out_fh);	1236	req->sv1 = newSVsv (out_fh);
806	req->int1 = ofd;	1237	req->int1 = ofd;
807	req->sv2 = newSVsv (in_fh);	1238	req->sv2 = newSVsv (in_fh);
808	req->int2 = ifd;	1239	req->int2 = ifd;
809	req->offs = SvVAL64 (in_offset);	1240	req->offs = in_offset;
810	req->size = length;	1241	req->size = length;
811		1242
812	REQ_SEND;	1243	REQ_SEND;
813	}	1244	}
814		1245
815	void	1246	void
816	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1247	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
817	PROTOTYPE: $$$;$
818	PPCODE:	1248	PPCODE:
819	{	1249	{
820	int fd = extract_fd (fh, 0);	1250	int fd = s_fileno_croak (fh, 0);
821	dREQ;	1251	dREQ;
822		1252
823	req->type = EIO_READAHEAD;	1253	req->type = EIO_READAHEAD;
824	req->sv1 = newSVsv (fh);	1254	req->sv1 = newSVsv (fh);
825	req->int1 = fd;	1255	req->int1 = fd;
826	req->offs = SvVAL64 (offset);	1256	req->offs = offset;
827	req->size = length;	1257	req->size = length;
828		1258
829	REQ_SEND;	1259	REQ_SEND;
830	}	1260	}
831		1261
832	void	1262	void
833	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1263	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
834	ALIAS:	1264	ALIAS:
835	aio_stat = EIO_STAT	1265	aio_stat = EIO_STAT
836	aio_lstat = EIO_LSTAT	1266	aio_lstat = EIO_LSTAT
		1267	aio_statvfs = EIO_STATVFS
837	PPCODE:	1268	PPCODE:
838	{	1269	{
839	dREQ;	1270	dREQ;
840		1271
841	req->sv1 = newSVsv (fh_or_path);	1272	req->sv1 = newSVsv (fh_or_path);
842		1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
843	if (SvPOK (req->sv1))
844	{
845	req->type = ix;
846	req->ptr1 = SvPVbyte_nolen (req->sv1);
847	}
848	else
849	{
850	req->type = EIO_FSTAT;
851	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852	}
853
854	REQ_SEND;	1274	REQ_SEND;
855	}	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
856		1292
857	void	1293	void
858	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)
859	PPCODE:	1295	PPCODE:
860	{	1296	{
861	dREQ;	1297	dREQ;
862		1298
863	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1299	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
864	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1300	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
865	req->sv1 = newSVsv (fh_or_path);	1301	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
866
867	if (SvPOK (req->sv1))
868	{
869	req->type = EIO_UTIME;
870	req->ptr1 = SvPVbyte_nolen (req->sv1);
871	}
872	else
873	{
874	req->type = EIO_FUTIME;
875	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876	}
877		1302
878	REQ_SEND;	1303	REQ_SEND;
879	}	1304	}
880		1305
881	void	1306	void
882	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)
883	PPCODE:	1308	PPCODE:
884	{	1309	{
885	dREQ;	1310	dREQ;
886		1311
887	req->sv1 = newSVsv (fh_or_path);
888	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1312	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
889		1313	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
890	if (SvPOK (req->sv1))
891	{
892	req->type = EIO_TRUNCATE;
893	req->ptr1 = SvPVbyte_nolen (req->sv1);
894	}
895	else
896	{
897	req->type = EIO_FTRUNCATE;
898	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899	}
900		1314
901	REQ_SEND;	1315	REQ_SEND;
902	}	1316	}
903		1317
904	void	1318	void
…		…
909	PPCODE:	1323	PPCODE:
910	{	1324	{
911	dREQ;	1325	dREQ;
912		1326
913	req->int2 = mode;	1327	req->int2 = mode;
914	req->sv1 = newSVsv (fh_or_path);	1328	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
915
916	if (SvPOK (req->sv1))
917	{
918	req->type = ix;
919	req->ptr1 = SvPVbyte_nolen (req->sv1);
920	}
921	else
922	{
923	req->type = EIO_FCHMOD;
924	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
925	}
926		1329
927	REQ_SEND;	1330	REQ_SEND;
928	}	1331	}
929		1332
930	void	1333	void
…		…
933	{	1336	{
934	dREQ;	1337	dREQ;
935		1338
936	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1339	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
937	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1340	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
938	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
939
940	if (SvPOK (req->sv1))
941	{
942	req->type = EIO_CHOWN;
943	req->ptr1 = SvPVbyte_nolen (req->sv1);
944	}
945	else
946	{
947	req->type = EIO_FCHOWN;
948	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
949	}
950		1342
951	REQ_SEND;	1343	REQ_SEND;
952	}	1344	}
953		1345
954	void	1346	void
…		…
977	PPCODE:	1369	PPCODE:
978	{	1370	{
979	dREQ;	1371	dREQ;
980		1372
981	req->type = ix;	1373	req->type = ix;
982	req->sv1 = newSVsv (pathname);	1374	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984		1375
985	REQ_SEND;	1376	REQ_SEND;
986	}	1377	}
987		1378
988	void	1379	void
…		…
992	aio_symlink = EIO_SYMLINK	1383	aio_symlink = EIO_SYMLINK
993	aio_rename = EIO_RENAME	1384	aio_rename = EIO_RENAME
994	PPCODE:	1385	PPCODE:
995	{	1386	{
996	dREQ;	1387	dREQ;
		1388	eio_wd wd2;
997		1389
998	req->type = ix;	1390	req->type = ix;
999	req->sv1 = newSVsv (oldpath);	1391	req_set_path1 (req, oldpath);
1000	req->ptr1 = SvPVbyte_nolen (req->sv1);	1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1001	req->sv2 = newSVsv (newpath);	1393	req->int3 = (long)wd2;
1002	req->ptr2 = SvPVbyte_nolen (req->sv2);
1003		1394
1004	REQ_SEND;	1395	REQ_SEND;
1005	}	1396	}
1006		1397
1007	void	1398	void
…		…
1009	PPCODE:	1400	PPCODE:
1010	{	1401	{
1011	dREQ;	1402	dREQ;
1012		1403
1013	req->type = EIO_MKNOD;	1404	req->type = EIO_MKNOD;
1014	req->sv1 = newSVsv (pathname);
1015	req->ptr1 = SvPVbyte_nolen (req->sv1);
1016	req->int2 = (mode_t)mode;	1405	req->int2 = (mode_t)mode;
1017	req->offs = dev;	1406	req->offs = dev;
		1407	req_set_path1 (req, pathname);
1018		1408
1019	REQ_SEND;	1409	REQ_SEND;
1020	}	1410	}
1021		1411
1022	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
1023	aio_busy (double delay, SV *callback=&PL_sv_undef)	1487	aio_busy (double delay, SV *callback=&PL_sv_undef)
1024	PPCODE:	1488	PPCODE:
1025	{	1489	{
1026	dREQ;	1490	dREQ;
1027		1491
…		…
1031	REQ_SEND;	1495	REQ_SEND;
1032	}	1496	}
1033		1497
1034	void	1498	void
1035	aio_group (SV *callback=&PL_sv_undef)	1499	aio_group (SV *callback=&PL_sv_undef)
1036	PROTOTYPE: ;$
1037	PPCODE:	1500	PPCODE:
1038	{	1501	{
1039	dREQ;	1502	dREQ;
1040		1503
1041	req->type = EIO_GROUP;	1504	req->type = EIO_GROUP;
1042		1505
1043	req_submit (req);	1506	req_submit (req);
1044	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1507	XPUSHs (req_sv (req, aio_grp_stash));
1045	}	1508	}
1046		1509
1047	void	1510	void
1048	aio_nop (SV *callback=&PL_sv_undef)	1511	aio_nop (SV *callback=&PL_sv_undef)
1049	ALIAS:	1512	ALIAS:
…		…
1058	REQ_SEND;	1521	REQ_SEND;
1059	}	1522	}
1060		1523
1061	int	1524	int
1062	aioreq_pri (int pri = 0)	1525	aioreq_pri (int pri = 0)
1063	PROTOTYPE: ;$
1064	CODE:	1526	CODE:
1065	RETVAL = next_pri;	1527	RETVAL = next_pri;
1066	if (items > 0)	1528	if (items > 0)
1067	{	1529	{
1068	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1530	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1080	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1542	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081	next_pri = nice;	1543	next_pri = nice;
1082		1544
1083	void	1545	void
1084	flush ()	1546	flush ()
1085	PROTOTYPE:
1086	CODE:	1547	CODE:
1087	while (eio_nreqs ())	1548	while (eio_nreqs ())
1088	{	1549	{
1089	poll_wait ();	1550	poll_wait ();
1090	poll_cb ();	1551	poll_cb ();
1091	}	1552	}
1092		1553
1093	int	1554	int
1094	poll()	1555	poll ()
1095	PROTOTYPE:
1096	CODE:	1556	CODE:
1097	poll_wait ();	1557	poll_wait ();
1098	RETVAL = poll_cb ();	1558	RETVAL = poll_cb ();
1099	OUTPUT:	1559	OUTPUT:
1100	RETVAL	1560	RETVAL
1101		1561
1102	int	1562	int
1103	poll_fileno()	1563	poll_fileno ()
1104	PROTOTYPE:
1105	CODE:	1564	CODE:
1106	RETVAL = respipe [0];	1565	RETVAL = s_epipe_fd (&respipe);
1107	OUTPUT:	1566	OUTPUT:
1108	RETVAL	1567	RETVAL
1109		1568
1110	int	1569	int
1111	poll_cb(...)	1570	poll_cb (...)
1112	PROTOTYPE:	1571	PROTOTYPE:
1113	CODE:	1572	CODE:
1114	RETVAL = poll_cb ();	1573	RETVAL = poll_cb ();
1115	OUTPUT:	1574	OUTPUT:
1116	RETVAL	1575	RETVAL
1117		1576
1118	void	1577	void
1119	poll_wait()	1578	poll_wait ()
1120	PROTOTYPE:
1121	CODE:	1579	CODE:
1122	poll_wait ();	1580	poll_wait ();
1123		1581
1124	int	1582	int
1125	nreqs()	1583	nreqs ()
1126	PROTOTYPE:
1127	CODE:	1584	CODE:
1128	RETVAL = eio_nreqs ();	1585	RETVAL = eio_nreqs ();
1129	OUTPUT:	1586	OUTPUT:
1130	RETVAL	1587	RETVAL
1131		1588
1132	int	1589	int
1133	nready()	1590	nready ()
1134	PROTOTYPE:
1135	CODE:	1591	CODE:
1136	RETVAL = eio_nready ();	1592	RETVAL = eio_nready ();
1137	OUTPUT:	1593	OUTPUT:
1138	RETVAL	1594	RETVAL
1139		1595
1140	int	1596	int
1141	npending()	1597	npending ()
1142	PROTOTYPE:
1143	CODE:	1598	CODE:
1144	RETVAL = eio_npending ();	1599	RETVAL = eio_npending ();
1145	OUTPUT:	1600	OUTPUT:
1146	RETVAL	1601	RETVAL
1147		1602
1148	int	1603	int
1149	nthreads()	1604	nthreads ()
1150	PROTOTYPE:
1151	CODE:	1605	CODE:
1152	RETVAL = eio_nthreads ();	1606	RETVAL = eio_nthreads ();
1153	OUTPUT:	1607	OUTPUT:
1154	RETVAL	1608	RETVAL
1155		1609
		1610	int
		1611	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1612	CODE:
		1613	RETVAL = posix_fadvise (fh, offset, length, advice);
		1614	OUTPUT:
		1615	RETVAL
		1616
		1617	IV
		1618	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1619	CODE:
		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
		1731
1156	void _on_next_submit (SV *cb)	1732	void _on_next_submit (SV *cb)
1157	CODE:	1733	CODE:
1158	SvREFCNT_dec (on_next_submit);	1734	SvREFCNT_dec (on_next_submit);
1159	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1735	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160		1736
1161	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1162		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
1163	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1757	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1164		1758
1165	void	1759	void
1166	cancel (aio_req_ornot req)	1760	cancel (aio_req_ornot req)
1167	CODE:	1761	CODE:
…		…
1174	if (GIMME_V != G_VOID)	1768	if (GIMME_V != G_VOID)
1175	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);
1176		1770
1177	if (items > 1)	1771	if (items > 1)
1178	{	1772	{
1179	SV *cb_cv = get_cb (callback);	1773	SV *cb_cv =get_cb (callback);
1180		1774
1181	SvREFCNT_dec (req->callback);	1775	SvREFCNT_dec (req->callback);
1182	req->callback = SvREFCNT_inc (cb_cv);	1776	req->callback = SvREFCNT_inc (cb_cv);
1183	}	1777	}
1184	}	1778	}

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