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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.133 by root, Wed Oct 22 18:15:36 2008 UTC vs.
Revision 1.243 by root, Mon Jul 18 07:48:01 2016 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
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
		36	#endif
		37
18	/* perl namespace pollution */	38	/* perl namespace pollution */
19	#undef VERSION	39	#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		40
70	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	43	#undef readdir
73	#undef opendir	44	#undef opendir
74	#undef closedir	45	#undef closedir
75		46
		47	#ifdef _WIN32
		48
		49	// perl overrides all those nice libc functions
		50
		51	#undef malloc
		52	#undef free
		53	#undef open
		54	#undef read
		55	#undef write
		56	#undef send
		57	#undef recv
		58	#undef stat
		59	#undef lstat
		60	#undef fstat
		61	#undef truncate
		62	#undef ftruncate
		63	#undef open
		64	#undef link
		65	#undef close
		66	#undef unlink
		67	#undef mkdir
		68	#undef rmdir
		69	#undef rename
		70	#undef lseek
		71	#undef opendir
		72	#undef readdir
		73	#undef closedir
		74	#undef chmod
		75	#undef fchmod
		76	#undef dup
		77	#undef dup2
		78	#undef abort
		79	#undef pipe
		80
		81	#define EIO_STRUCT_STAT struct _stati64
76	#define EIO_STRUCT_STAT Stat_t	82	#define EIO_STRUCT_STATI64
77		83
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define SvVAL64 SvIV
81	#else	84	#else
82	# define SvVAL64 SvNV	85
		86	#include <sys/time.h>
		87	#include <sys/select.h>
		88	#include <unistd.h>
		89	#include <utime.h>
		90	#include <signal.h>
		91
		92	#define EIO_STRUCT_STAT Stat_t
		93
83	#endif	94	#endif
84		95
85	/*****************************************************************************/	96	/*****************************************************************************/
86		97
87	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
95		106
96	/*****************************************************************************/	107	/*****************************************************************************/
97		108
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
		110	typedef int aio_rfd; /* read file desriptor */
		111	typedef int aio_wfd; /* write file descriptor */
100		112
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		114
104	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
105	SV *callback; \	116	SV *callback; \
106	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
107	STRLEN stroffset; \	119	STRLEN stroffset; \
108	SV *self;	120	SV *self;
109		121
110	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
111		123
		124	#include "libeio/config.h"
112	#include "libeio/eio.h"	125	#include "libeio/eio.h"
113		126
114	static int req_invoke (eio_req *req);	127	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	128	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	129	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	130	#define EIO_DESTROY(req) req_destroy (req)
118		131
		132	#include "libeio/eio.c"
		133
		134	#if !HAVE_POSIX_FADVISE
		135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		136	#endif
		137
		138	#if !HAVE_POSIX_MADVISE
		139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		140	#endif
		141
		142	#ifndef MAP_ANONYMOUS
		143	# ifdef MAP_ANON
		144	# define MAP_ANONYMOUS MAP_ANON
		145	# else
		146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		147	# endif
		148	#endif
		149
		150	/* defines all sorts of constants to 0 unless they are already defined */
		151	/* also provides const_iv_ and const_niv_ macros for them */
		152	#include "def0.h"
		153
		154	#ifndef makedev
		155	# define makedev(maj,min) (((maj) << 8) | (min))
		156	#endif
		157	#ifndef major
		158	# define major(dev) ((dev) >> 8)
		159	#endif
		160	#ifndef minor
		161	# define minor(dev) ((dev) & 0xff)
		162	#endif
		163
		164	#if PAGESIZE <= 0
		165	# define PAGESIZE sysconf (_SC_PAGESIZE)
		166	#endif
		167
		168	/*****************************************************************************/
		169
		170	static void
		171	fiemap (eio_req *req)
		172	{
		173	req->result = -1;
		174
		175	#if HAVE_FIEMAP
		176	/* assume some c99 */
		177	struct fiemap *fiemap = 0;
		178	size_t end_offset;
		179	int count = req->int3;
		180
		181	req->flags |= EIO_FLAG_PTR1_FREE;
		182
		183	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		184	/* increase in 3.5kb steps */
		185	if (count < 0)
		186	count = 8;
		187
		188	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194
		195	fiemap->fm_start = req->offs;
		196	fiemap->fm_length = req->size;
		197	fiemap->fm_flags = req->int2;
		198	fiemap->fm_extent_count = count;
		199
		200	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		201	return;
		202
		203	if (req->int3 >= 0 /* not autosizing */
		204	|| !fiemap->fm_mapped_extents /* no more extents */
		205	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		206	goto done;
		207
		208	/* else we have to loop -
		209	* it would be tempting (actually I tried that first) to just query the
		210	* number of extents needed, but linux often feels like not returning all
		211	* extents, without telling us it left any out. this complicates
		212	* this quite a bit.
		213	*/
		214
		215	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		216
		217	for (;;)
		218	{
		219	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		220	char scratch[3072];
		221	struct fiemap *incmap = (struct fiemap *)scratch;
		222
		223	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		224	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		225	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		226	incmap->fm_flags = fiemap->fm_flags;
		227	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		228
		229	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		230	return;
		231
		232	if (!incmap->fm_mapped_extents)
		233	goto done;
		234
		235	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		236	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		237	errno = ENOMEM;
		238	if (!fiemap)
		239	return;
		240
		241	req->ptr1 = fiemap;
		242
		243	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		244	{
		245	struct fiemap_extent *e = incmap->fm_extents + count;
		246
		247	if (e->fe_logical + e->fe_length >= end_offset)
		248	goto done;
		249
		250	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		251
		252	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		253	goto done;
		254
		255	}
		256	}
		257
		258	done:
		259	req->result = 0;
		260
		261	#else
		262	errno = ENOSYS;
		263	#endif
		264	}
		265
		266	/*****************************************************************************/
		267
119	enum {	268	enum {
120	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121	};	270	};
122		271
123	#include "libeio/eio.c"
124
125	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
126	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
127		275
128	static SV *on_next_submit;	276	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	278	static int max_outstanding;
131		279
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	280	static s_epipe respipe;
133		281
134	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
136		284
137	static void want_poll (void)	285	static void
		286	want_poll (void)
138	{	287	{
139	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	289	s_epipe_signal (&respipe);
141	}	290	}
142		291
143	static void done_poll (void)	292	static void
		293	done_poll (void)
144	{	294	{
145	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
146	char buf [4];	296	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	297	}
150		298
151	/* must be called at most once */	299	/* must be called at most once */
152	static SV *req_sv (aio_req req, const char *klass)	300	static SV *
		301	req_sv (aio_req req, HV *stash)
153	{	302	{
154	if (!req->self)	303	if (!req->self)
155	{	304	{
156	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	307	}
159		308
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	310	}
162		311
163	static aio_req SvAIO_REQ (SV *sv)	312	static SV *
		313	newSVaio_wd (aio_wd wd)
		314	{
		315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		316	}
		317
		318	static aio_req
		319	SvAIO_REQ (SV *sv)
164	{	320	{
165	MAGIC *mg;	321	MAGIC *mg;
166		322
167	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
		325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		326	&& SvSTASH (SvRV (sv)) != aio_req_stash
		327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	328	croak ("object of class IO::AIO::REQ expected");
169		329
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		331
172	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	333	}
174		334
		335	static aio_wd
		336	SvAIO_WD (SV *sv)
		337	{
		338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		342
		343	return (aio_wd)(long)SvIVX (SvRV (sv));
		344	}
		345
		346	static SV *
		347	newmortalFH (int fd, int flags)
		348	{
		349	if (fd < 0)
		350	return &PL_sv_undef;
		351
		352	GV *gv = (GV *)sv_newmortal ();
		353	char sym[64];
		354	int symlen;
		355
		356	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		357	gv_init (gv, aio_stash, sym, symlen, 0);
		358
		359	symlen = snprintf (
		360	sym,
		361	sizeof (sym),
		362	"%s&=%d",
		363	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		364	fd
		365	);
		366
		367	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		368	? (SV *)gv : &PL_sv_undef;
		369	}
		370
		371	static void
175	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
176	{	373	{
177	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
178	{	375	{
179	dSP;	376	dSP;
180		377
181	ENTER;	378	ENTER;
182	SAVETMPS;	379	SAVETMPS;
183	PUSHMARK (SP);	380	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	381	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	382	PUTBACK;
186	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	383	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187	SPAGAIN;	384	SPAGAIN;
188	FREETMPS;	385	FREETMPS;
189	LEAVE;	386	LEAVE;
190	}	387	}
191	}	388	}
192		389
		390	static void
193	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
194	{	392	{
195	eio_submit (req);	393	eio_submit (req);
196		394
197	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
198	{	396	{
…		…
205	PUTBACK;	403	PUTBACK;
206	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
207	}	405	}
208	}	406	}
209		407
		408	static int
210	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
211	{	410	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
216		413
217	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
218	{	415	{
		416	dSP;
		417	static SV *sv_result_cache; /* caches the result integer SV */
		418	SV *sv_result;
		419
219	ENTER;	420	ENTER;
220	SAVETMPS;	421	SAVETMPS;
221	PUSHMARK (SP);	422	PUSHMARK (SP);
222	EXTEND (SP, 1);	423	EXTEND (SP, 1);
223		424
		425	/* do not recreate the result IV from scratch each time */
		426	if (expect_true (sv_result_cache))
		427	{
		428	sv_result = sv_result_cache; sv_result_cache = 0;
		429	SvIV_set (sv_result, req->result);
		430	SvIOK_only (sv_result);
		431	}
		432	else
		433	{
		434	sv_result = newSViv (req->result);
		435	SvREADONLY_on (sv_result);
		436	}
		437
224	switch (req->type)	438	switch (req->type)
225	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
226	case EIO_READDIR:	444	case EIO_READDIR:
227	{	445	{
228	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
229		447
230	if (req->result >= 0)	448	if (req->result >= 0)
231	{	449	{
232	int i;	450	int i;
233	char *buf = req->ptr2;	451	char *names = (char *)req->ptr2;
		452	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234	AV *av = newAV ();	453	AV *av = newAV ();
235		454
236	av_extend (av, req->result - 1);	455	av_extend (av, req->result - 1);
237		456
238	for (i = 0; i < req->result; ++i)	457	for (i = 0; i < req->result; ++i)
239	{	458	{
240	SV *sv = newSVpv (buf, 0);	459	if (req->int1 & EIO_READDIR_DENTS)
		460	{
		461	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		462
		463	if (req->int1 & EIO_READDIR_CUSTOM2)
		464	{
		465	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		466	AV *avent = newAV ();
		467
		468	av_extend (avent, 2);
		469
		470	if (!sv_type [ent->type])
		471	{
		472	sv_type [ent->type] = newSViv (ent->type);
		473	SvREADONLY_on (sv_type [ent->type]);
		474	}
		475
		476	av_store (avent, 0, namesv);
		477	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		478	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		479
		480	av_store (av, i, newRV_noinc ((SV *)avent));
		481	}
		482	else
242	av_store (av, i, sv);	483	av_store (av, i, namesv);
		484
		485	++ent;
		486	}
		487	else
		488	{
		489	SV *name = newSVpv (names, 0);
		490	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	491	names += SvCUR (name) + 1;
		492	}
244	}	493	}
245		494
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	495	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	496	}
248		497
249	PUSHs (rv);	498	PUSHs (rv);
		499
		500	if (req->int1 & EIO_READDIR_CUSTOM1)
		501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
250	}	502	}
251	break;	503	break;
252		504
253	case EIO_OPEN:	505	case EIO_OPEN:
		506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
		507	break;
		508
		509	case EIO_STATVFS:
		510	case EIO_FSTATVFS:
254	{	511	{
255	/* convert fd to fh */
256	SV *fh = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
257		513
		514	#ifndef _WIN32
258	if (req->result >= 0)	515	if (req->result >= 0)
259	{	516	{
		517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
260	GV *gv = (GV *)sv_newmortal ();	518	HV *hv = newHV ();
261	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
262	char sym [64];	520	* chooses to make it a struct.
263	int symlen;
264		521	*/
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	522	unsigned long fsid = 0;
266	gv_init (gv, stash, sym, symlen, 0);	523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
267		524
268	symlen = snprintf (	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
269	sym,
270	sizeof (sym),
271	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result
274	);
275		526
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
277	fh = (SV *)gv;	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		529	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
		536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
278	}	538	}
		539	#endif
279		540
280	PUSHs (fh);	541	PUSHs (rv);
281	}	542	}
		543
282	break;	544	break;
283		545
284	case EIO_GROUP:	546	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	547	req->int1 = 2; /* mark group as finished */
286		548
…		…
298	case EIO_NOP:	560	case EIO_NOP:
299	case EIO_BUSY:	561	case EIO_BUSY:
300	break;	562	break;
301		563
302	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
303	if (req->result > 0)	566	if (req->result > 0)
304	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
305	break;	568	break;
306		569
307	case EIO_STAT:	570	case EIO_STAT:
308	case EIO_LSTAT:	571	case EIO_LSTAT:
309	case EIO_FSTAT:	572	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
311	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
312	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	578
		579	PUSHs (sv_result);
314	break;	580	break;
315		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
		584	break;
		585
316	case EIO_READ:	586	case EIO_READ:
		587	{
317	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
318	*SvEND (req->sv2) = 0;	589	*SvEND (req->sv2) = 0;
319	PUSHs (sv_2mortal (newSViv (req->result)));	590	SvPOK_only (req->sv2);
		591	SvSETMAGIC (req->sv2);
		592	PUSHs (sv_result);
		593	}
320	break;	594	break;
321		595
322	case EIO_DUP2:	596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
		636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
323	if (req->result > 0)	637	if (req->result > 0)
324	req->result = 0;	638	SvIV_set (sv_result, 0);
325	/* FALLTHROUGH */	639	/* FALLTHROUGH */
326		640
327	default:	641	default:
328	PUSHs (sv_2mortal (newSViv (req->result)));	642	PUSHs (sv_result);
329	break;	643	break;
330	}	644	}
331		645
332	errno = req->errorno;	646	errno = req->errorno;
333		647
334	PUTBACK;	648	PUTBACK;
335	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	649	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
336	SPAGAIN;	650	SPAGAIN;
337		651
		652	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		653	SvREFCNT_dec (sv_result);
		654	else
		655	sv_result_cache = sv_result;
		656
338	FREETMPS;	657	FREETMPS;
339	LEAVE;	658	LEAVE;
340		659
341	PUTBACK;	660	PUTBACK;
342	}	661	}
343		662
344	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
345	}	664	}
346		665
		666	static void
347	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
348	{	668	{
349	if (req->self)	669	if (req->self)
350	{	670	{
351	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
352	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
353	}	673	}
354		674
355	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
356	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
357	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
358		680
359	Safefree (req);	681	free (req);
360	}	682	}
361		683
		684	static void
362	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
363	{	686	{
364	aio_req sub;
365
366	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
367	return;	688	return;
368		689
369	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
370	grp->sv2 = 0;	691	grp->sv2 = 0;
371		692
372	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
373	}	694	}
374		695
375	#ifdef USE_SOCKETS_AS_HANDLES	696	static void ecb_cold
376	# define TO_SOCKET(x) (win32_get_osfhandle (x))	697	create_respipe (void)
377	#else	698	{
378	# define TO_SOCKET(x) (x)	699	if (s_epipe_renew (&respipe))
379	#endif	700	croak ("IO::AIO: unable to initialize result pipe");
		701	}
380		702
381	static void	703	static void
382	create_respipe (void)	704	poll_wait (void)
383	{	705	{
384	int old_readfd = respipe [0];
385
386	if (respipe [1] >= 0)
387	respipe_close (TO_SOCKET (respipe [1]));
388
389	#ifdef _WIN32
390	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391	#else
392	if (pipe (respipe))
393	#endif
394	croak ("unable to initialize result pipe");
395
396	if (old_readfd >= 0)
397	{
398	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399	croak ("unable to initialize result pipe(2)");
400
401	respipe_close (respipe [0]);
402	respipe [0] = old_readfd;
403	}
404
405	#ifdef _WIN32
406	int arg = 1;
407	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409	#else
410	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412	#endif
413	croak ("unable to initialize result pipe(3)");
414
415	respipe_osf [0] = TO_SOCKET (respipe [0]);
416	respipe_osf [1] = TO_SOCKET (respipe [1]);
417	}
418
419	static void poll_wait (void)
420	{
421	fd_set rfd;
422
423	while (eio_nreqs ())	706	while (eio_nreqs ())
424	{	707	{
425	int size;	708	int size;
426		709
427	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
428	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
429	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
430		713
431	if (size)	714	if (size)
432	return;	715	return;
433		716
434	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
435		718
436	FD_ZERO (&rfd);	719	s_epipe_wait (&respipe);
437	FD_SET (respipe [0], &rfd);
438
439	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440	}	720	}
441	}	721	}
442		722
443	static int poll_cb (void)	723	static int
		724	poll_cb (void)
444	{	725	{
445	for (;;)	726	for (;;)
446	{	727	{
447	int res = eio_poll ();	728	int res = eio_poll ();
448		729
…		…
454		735
455	poll_wait ();	736	poll_wait ();
456	}	737	}
457	}	738	}
458		739
459	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
460	{	742	{
461	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
462	}	747	}
		748
		749	/*****************************************************************************/
		750
		751	#if !_POSIX_MAPPED_FILES
		752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		758	#endif
		759
		760	#define MMAP_MAGIC PERL_MAGIC_ext
		761
		762	static int ecb_cold
		763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		764	{
		765	int old_errno = errno;
		766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		767	errno = old_errno;
		768
		769	mg->mg_obj = 0; /* just in case */
		770
		771	SvREADONLY_off (sv);
		772
		773	if (SvPVX (sv) != mg->mg_ptr)
		774	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		775
		776	SvCUR_set (sv, 0);
		777	SvPVX (sv) = 0;
		778	SvOK_off (sv);
		779
		780	return 0;
		781	}
		782
		783	static MGVTBL mmap_vtbl = {
		784	0, 0, 0, 0, mmap_free
		785	};
		786
		787	/*****************************************************************************/
463		788
464	static SV *	789	static SV *
465	get_cb (SV *cb_sv)	790	get_cb (SV *cb_sv)
466	{	791	{
467	HV *st;	792	SvGETMAGIC (cb_sv);
468	GV *gvp;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		794	}
		795
		796	static aio_req ecb_noinline
		797	dreq (SV *callback)
		798	{
469	CV *cv;	799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
470		803
471	if (!SvOK (cb_sv))	804	cb_cv = get_cb (callback);
		805
		806	req = calloc (sizeof (*req), 1);
		807	if (!req)
		808	croak ("out of memory during eio_req allocation");
		809
		810	req->callback = SvREFCNT_inc (cb_cv);
		811	req->pri = req_pri;
		812
472	return 0;	813	return req;
473
474	cv = sv_2cv (cb_sv, &st, &gvp, 0);
475
476	if (!cv)
477	croak ("IO::AIO callback must be undef or a CODE reference");
478
479	return (SV *)cv;
480	}	814	}
481		815
482	#define dREQ \	816	#define dREQ \
483	SV *cb_cv; \	817	aio_req req = dreq (callback); \
484	aio_req req; \
485	int req_pri = next_pri; \
486	next_pri = EIO_PRI_DEFAULT; \
487	\
488	cb_cv = get_cb (callback); \
489	\
490	Newz (0, req, 1, eio_req); \
491	if (!req) \
492	croak ("out of memory during eio_req allocation"); \
493	\
494	req->callback = SvREFCNT_inc (cb_cv); \
495	req->pri = req_pri
496		818
497	#define REQ_SEND \	819	#define REQ_SEND \
498	PUTBACK; \	820	PUTBACK; \
499	req_submit (req); \	821	req_submit (req); \
500	SPAGAIN; \	822	SPAGAIN; \
501	\	823	\
502	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
503	XPUSHs (req_sv (req, AIO_REQ_KLASS));	825	XPUSHs (req_sv (req, aio_req_stash));
504		826
		827	ecb_inline void
		828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		829	{
		830	if (expect_false (SvROK (path)))
		831	{
		832	SV *rv = SvRV (path);
		833	SV *wdob;
		834
		835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
		839
		840	if (SvOK (wdob))
		841	{
		842	*wd = SvAIO_WD (wdob);
		843	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		844	}
		845	else
		846	*wd = EIO_INVALID_WD;
		847	}
		848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		849	{
		850	*wd = (aio_wd)(long)SvIVX (rv);
		851	*wdsv = SvREFCNT_inc_NN (rv);
		852	*ptr = ".";
		853	return; /* path set to "." */
		854	}
		855	else
		856	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		857	}
		858
		859	*pathsv = newSVsv (path);
		860	*ptr = SvPVbyte_nolen (*pathsv);
		861	}
		862
		863	static void ecb_noinline
		864	req_set_path1 (aio_req req, SV *path)
		865	{
		866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		867	}
		868
		869	static void ecb_noinline
		870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		871	{
		872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		873
		874	switch (SvTYPE (rv))
		875	{
		876	case SVt_PVIO:
		877	case SVt_PVLV:
		878	case SVt_PVGV:
		879	req->type = type_fh;
		880	req->sv1 = newSVsv (fh_or_path);
		881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		882	break;
		883
		884	default:
		885	req->type = type_path;
		886	req_set_path1 (req, fh_or_path);
		887	break;
		888	}
		889	}
		890
		891	XS(boot_IO__AIO) ecb_cold;
		892
505	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
506		894
507	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
508		896
509	BOOT:	897	BOOT:
510	{	898	{
		899	static const struct {
		900	const char *name;
		901	IV iv;
		902	} *civ, const_iv[] = {
		903	# define const_niv(name, value) { # name, (IV) value },
		904	# define const_iv(name) { # name, (IV) name },
		905	# define const_eio(name) { # name, (IV) EIO_ ## name },
		906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
		909	const_iv (ENOSYS)
		910	const_iv (EXDEV)
		911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929	const_niv (MADV_FREE , POSIX_MADV_FREE)
		930
		931	/* the second block will be 0 when missing */
		932	const_iv (O_RDONLY)
		933	const_iv (O_WRONLY)
		934	const_iv (O_RDWR)
		935	const_iv (O_CREAT)
		936	const_iv (O_TRUNC)
		937	const_iv (O_EXCL)
		938	const_iv (O_APPEND)
		939
		940	const_iv (O_ASYNC)
		941	const_iv (O_DIRECT)
		942	const_iv (O_NOATIME)
		943
		944	const_iv (O_CLOEXEC)
		945	const_iv (O_NOCTTY)
		946	const_iv (O_NOFOLLOW)
		947	const_iv (O_NONBLOCK)
		948	const_iv (O_EXEC)
		949	const_iv (O_SEARCH)
		950	const_iv (O_DIRECTORY)
		951	const_iv (O_DSYNC)
		952	const_iv (O_RSYNC)
		953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
		956	const_iv (O_TTY_INIT)
		957
		958	const_iv (S_IFIFO)
		959	const_iv (S_IFCHR)
		960	const_iv (S_IFBLK)
		961	const_iv (S_IFLNK)
		962	const_iv (S_IFREG)
		963	const_iv (S_IFDIR)
		964	const_iv (S_IFWHT)
		965	const_iv (S_IFSOCK)
		966	const_iv (S_IFMT)
		967
		968	const_iv (ST_RDONLY)
		969	const_iv (ST_NOSUID)
		970	const_iv (ST_NODEV)
		971	const_iv (ST_NOEXEC)
		972	const_iv (ST_SYNCHRONOUS)
		973	const_iv (ST_MANDLOCK)
		974	const_iv (ST_WRITE)
		975	const_iv (ST_APPEND)
		976	const_iv (ST_IMMUTABLE)
		977	const_iv (ST_NOATIME)
		978	const_iv (ST_NODIRATIME)
		979	const_iv (ST_RELATIME)
		980
		981	const_iv (PROT_NONE)
		982	const_iv (PROT_EXEC)
		983	const_iv (PROT_READ)
		984	const_iv (PROT_WRITE)
		985
		986	const_iv (MAP_PRIVATE)
		987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
		989	const_iv (MAP_ANONYMOUS)
		990
		991	/* linuxish */
		992	const_iv (MAP_LOCKED)
		993	const_iv (MAP_NORESERVE)
		994	const_iv (MAP_POPULATE)
		995	const_iv (MAP_NONBLOCK)
		996	const_iv (MAP_GROWSDOWN)
		997	const_iv (MAP_32BIT)
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_STACK)
		1000
		1001	const_iv (FIFREEZE)
		1002	const_iv (FITHAW)
		1003	const_iv (FITRIM)
		1004	const_iv (FICLONE)
		1005	const_iv (FICLONERANGE)
		1006	const_iv (FIDEDUPERANGE)
		1007
		1008	const_iv (FS_IOC_GETFLAGS)
		1009	const_iv (FS_IOC_SETFLAGS)
		1010	const_iv (FS_IOC_GETVERSION)
		1011	const_iv (FS_IOC_SETVERSION)
		1012	const_iv (FS_IOC_FIEMAP)
		1013	const_iv (FS_IOC_FSGETXATTR)
		1014	const_iv (FS_IOC_FSSETXATTR)
		1015	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1016	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1017	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1018
		1019	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1020
		1021	const_iv (FS_SECRM_FL)
		1022	const_iv (FS_UNRM_FL)
		1023	const_iv (FS_COMPR_FL)
		1024	const_iv (FS_SYNC_FL)
		1025	const_iv (FS_IMMUTABLE_FL)
		1026	const_iv (FS_APPEND_FL)
		1027	const_iv (FS_NODUMP_FL)
		1028	const_iv (FS_NOATIME_FL)
		1029	const_iv (FS_DIRTY_FL)
		1030	const_iv (FS_COMPRBLK_FL)
		1031	const_iv (FS_NOCOMP_FL)
		1032	const_iv (FS_ENCRYPT_FL)
		1033	const_iv (FS_BTREE_FL)
		1034	const_iv (FS_INDEX_FL)
		1035	const_iv (FS_JOURNAL_DATA_FL)
		1036	const_iv (FS_NOTAIL_FL)
		1037	const_iv (FS_DIRSYNC_FL)
		1038	const_iv (FS_TOPDIR_FL)
		1039	const_iv (FS_FL_USER_MODIFIABLE)
		1040
		1041	const_iv (FS_XFLAG_REALTIME)
		1042	const_iv (FS_XFLAG_PREALLOC)
		1043	const_iv (FS_XFLAG_IMMUTABLE)
		1044	const_iv (FS_XFLAG_APPEND)
		1045	const_iv (FS_XFLAG_SYNC)
		1046	const_iv (FS_XFLAG_NOATIME)
		1047	const_iv (FS_XFLAG_NODUMP)
		1048	const_iv (FS_XFLAG_RTINHERIT)
		1049	const_iv (FS_XFLAG_PROJINHERIT)
		1050	const_iv (FS_XFLAG_NOSYMLINKS)
		1051	const_iv (FS_XFLAG_EXTSIZE)
		1052	const_iv (FS_XFLAG_EXTSZINHERIT)
		1053	const_iv (FS_XFLAG_NODEFRAG)
		1054	const_iv (FS_XFLAG_FILESTREAM)
		1055	const_iv (FS_XFLAG_DAX)
		1056	const_iv (FS_XFLAG_HASATTR)
		1057
		1058	const_iv (FIEMAP_FLAG_SYNC)
		1059	const_iv (FIEMAP_FLAG_XATTR)
		1060	const_iv (FIEMAP_FLAGS_COMPAT)
		1061	const_iv (FIEMAP_EXTENT_LAST)
		1062	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1063	const_iv (FIEMAP_EXTENT_DELALLOC)
		1064	const_iv (FIEMAP_EXTENT_ENCODED)
		1065	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1066	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1067	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1068	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1069	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1070	const_iv (FIEMAP_EXTENT_MERGED)
		1071	const_iv (FIEMAP_EXTENT_SHARED)
		1072
		1073	const_iv (SPLICE_F_MOVE)
		1074	const_iv (SPLICE_F_NONBLOCK)
		1075	const_iv (SPLICE_F_MORE)
		1076	const_iv (SPLICE_F_GIFT)
		1077
		1078	/* these are libeio constants, and are independent of gendef0 */
		1079	const_eio (SEEK_SET)
		1080	const_eio (SEEK_CUR)
		1081	const_eio (SEEK_END)
		1082
		1083	const_eio (MCL_FUTURE)
		1084	const_eio (MCL_CURRENT)
		1085
		1086	const_eio (MS_ASYNC)
		1087	const_eio (MS_INVALIDATE)
		1088	const_eio (MS_SYNC)
		1089
		1090	const_eio (MT_MODIFY)
		1091
		1092	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		1093	const_eio (SYNC_FILE_RANGE_WRITE)
		1094	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1095
		1096	const_eio (FALLOC_FL_KEEP_SIZE)
		1097	const_eio (FALLOC_FL_PUNCH_HOLE)
		1098	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1099	const_eio (FALLOC_FL_ZERO_RANGE)
		1100
		1101	const_eio (READDIR_DENTS)
		1102	const_eio (READDIR_DIRS_FIRST)
		1103	const_eio (READDIR_STAT_ORDER)
		1104	const_eio (READDIR_FOUND_UNKNOWN)
		1105
		1106	const_eio (DT_UNKNOWN)
		1107	const_eio (DT_FIFO)
		1108	const_eio (DT_CHR)
		1109	const_eio (DT_DIR)
		1110	const_eio (DT_BLK)
		1111	const_eio (DT_REG)
		1112	const_eio (DT_LNK)
		1113	const_eio (DT_SOCK)
		1114	const_eio (DT_WHT)
		1115	};
		1116
511	stash = gv_stashpv ("IO::AIO", 1);	1117	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1118	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1119	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1120	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
512		1121
513	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1122	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
514	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1123	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
515	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
516	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
517	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
518	#ifndef _WIN32
519	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
520	#endif
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
522	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));
523	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));
524	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));
525		1124
526	create_respipe ();	1125	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
527		1126
528	if (eio_init (want_poll, done_poll) < 0)	1127	reinit ();
529	croak ("IO::AIO: unable to initialise eio library");
530
531	/* atfork child called in fifo order, so before eio's handler */
532	X_THREAD_ATFORK (0, 0, atfork_child);
533	}	1128	}
534		1129
535	void	1130	void
		1131	reinit ()
		1132	PROTOTYPE:
		1133
		1134	void
536	max_poll_reqs (int nreqs)	1135	max_poll_reqs (unsigned int nreqs)
537	PROTOTYPE: $	1136	PROTOTYPE: $
538	CODE:	1137	CODE:
539	eio_set_max_poll_reqs (nreqs);	1138	eio_set_max_poll_reqs (nreqs);
540		1139
541	void	1140	void
…		…
543	PROTOTYPE: $	1142	PROTOTYPE: $
544	CODE:	1143	CODE:
545	eio_set_max_poll_time (nseconds);	1144	eio_set_max_poll_time (nseconds);
546		1145
547	void	1146	void
548	min_parallel (int nthreads)	1147	min_parallel (unsigned int nthreads)
549	PROTOTYPE: $	1148	PROTOTYPE: $
550	CODE:	1149	CODE:
551	eio_set_min_parallel (nthreads);	1150	eio_set_min_parallel (nthreads);
552		1151
553	void	1152	void
554	max_parallel (int nthreads)	1153	max_parallel (unsigned int nthreads)
555	PROTOTYPE: $	1154	PROTOTYPE: $
556	CODE:	1155	CODE:
557	eio_set_max_parallel (nthreads);	1156	eio_set_max_parallel (nthreads);
558		1157
559	void	1158	void
560	max_idle (int nthreads)	1159	max_idle (unsigned int nthreads)
561	PROTOTYPE: $	1160	PROTOTYPE: $
562	CODE:	1161	CODE:
563	eio_set_max_idle (nthreads);	1162	eio_set_max_idle (nthreads);
564		1163
565	void	1164	void
		1165	idle_timeout (unsigned int seconds)
		1166	PROTOTYPE: $
		1167	CODE:
		1168	eio_set_idle_timeout (seconds);
		1169
		1170	void
566	max_outstanding (int maxreqs)	1171	max_outstanding (unsigned int maxreqs)
567	PROTOTYPE: $	1172	PROTOTYPE: $
568	CODE:	1173	CODE:
569	max_outstanding = maxreqs;	1174	max_outstanding = maxreqs;
570		1175
571	void	1176	void
572	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1177	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
573	PROTOTYPE: $$$;$
574	PPCODE:	1178	PPCODE:
575	{	1179	{
576	dREQ;	1180	dREQ;
577		1181
		1182	req->type = EIO_WD_OPEN;
		1183	req_set_path1 (req, pathname);
		1184
		1185	REQ_SEND;
		1186	}
		1187
		1188	void
		1189	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1190	PPCODE:
		1191	{
		1192	dREQ;
		1193
578	req->type = EIO_OPEN;	1194	req->type = EIO_OPEN;
579	req->sv1 = newSVsv (pathname);	1195	req_set_path1 (req, pathname);
580	req->ptr1 = SvPVbyte_nolen (req->sv1);
581	req->int1 = flags;	1196	req->int1 = flags;
582	req->int2 = mode;	1197	req->int2 = mode;
583		1198
584	REQ_SEND;	1199	REQ_SEND;
585	}	1200	}
586		1201
587	void	1202	void
588	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1203	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
589	PROTOTYPE: $;$
590	ALIAS:	1204	ALIAS:
591	aio_fsync = EIO_FSYNC	1205	aio_fsync = EIO_FSYNC
592	aio_fdatasync = EIO_FDATASYNC	1206	aio_fdatasync = EIO_FDATASYNC
		1207	aio_syncfs = EIO_SYNCFS
593	PPCODE:	1208	PPCODE:
594	{	1209	{
		1210	int fd = s_fileno_croak (fh, 0);
595	dREQ;	1211	dREQ;
596		1212
597	req->type = ix;	1213	req->type = ix;
598	req->sv1 = newSVsv (fh);	1214	req->sv1 = newSVsv (fh);
599	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1215	req->int1 = fd;
600		1216
601	REQ_SEND (req);	1217	REQ_SEND;
602	}	1218	}
603		1219
604	void	1220	void
605	aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef)	1221	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
606	PROTOTYPE: $$$$;$
607	PPCODE:	1222	PPCODE:
608	{	1223	{
		1224	int fd = s_fileno_croak (fh, 0);
609	dREQ;	1225	dREQ;
610		1226
611	req->type = EIO_SYNC_FILE_RANGE;	1227	req->type = EIO_SYNC_FILE_RANGE;
612	req->sv1 = newSVsv (fh);	1228	req->sv1 = newSVsv (fh);
613	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1229	req->int1 = fd;
614	req->offs = SvVAL64 (offset);	1230	req->offs = offset;
615	req->size = SvVAL64 (nbytes);	1231	req->size = nbytes;
616	req->int2 = flags;	1232	req->int2 = flags;
617		1233
618	REQ_SEND (req);	1234	REQ_SEND;
619	}	1235	}
620		1236
621	void	1237	void
622	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1238	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
623	PROTOTYPE: $;$
624	PPCODE:	1239	PPCODE:
625	{	1240	{
626	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1241	int fd = s_fileno_croak (fh, 0);
627	dREQ;	1242	dREQ;
628		1243
629	if (close_pipe < 0)	1244	req->type = EIO_FALLOCATE;
		1245	req->sv1 = newSVsv (fh);
		1246	req->int1 = fd;
		1247	req->int2 = mode;
		1248	req->offs = offset;
		1249	req->size = len;
		1250
		1251	REQ_SEND;
		1252	}
		1253
		1254	void
		1255	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1256	PPCODE:
		1257	{
		1258	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1259	int fd = s_fileno_croak (fh, 0);
		1260	dREQ;
		1261
		1262	if (expect_false (close_fd < 0))
630	{	1263	{
631	int pipefd [2];	1264	int pipefd [2];
632		1265
		1266	if (
		1267	#ifdef _WIN32
		1268	_pipe (pipefd, 1, _O_BINARY) < 0
		1269	#else
633	if (pipe (pipefd) < 0	1270	pipe (pipefd) < 0
634	|| close (pipefd [1]) < 0
635	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1271	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1272	#endif
		1273	|| close (pipefd [1]) < 0
		1274	)
636	abort (); /*D*/	1275	abort (); /*D*/
637		1276
638	close_pipe = pipefd [0];	1277	close_fd = pipefd [0];
639	}	1278	}
640		1279
641	req->type = EIO_DUP2;	1280	req->type = EIO_DUP2;
642	req->int1 = close_pipe;	1281	req->int1 = close_fd;
643	req->sv2 = newSVsv (fh);	1282	req->sv2 = newSVsv (fh);
644	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1283	req->int2 = fd;
645		1284
646	REQ_SEND (req);	1285	REQ_SEND;
647	}	1286	}
648		1287
649	void	1288	void
		1289	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1290	PPCODE:
		1291	{
		1292	int fd = s_fileno_croak (fh, 0);
		1293	dREQ;
		1294
		1295	req->type = EIO_SEEK;
		1296	req->sv1 = newSVsv (fh);
		1297	req->int1 = fd;
		1298	req->offs = SvVAL64 (offset);
		1299	req->int2 = whence;
		1300
		1301	REQ_SEND;
		1302	}
		1303
		1304	void
650	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1305	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
651	ALIAS:	1306	ALIAS:
652	aio_read = EIO_READ	1307	aio_read = EIO_READ
653	aio_write = EIO_WRITE	1308	aio_write = EIO_WRITE
654	PROTOTYPE: $$$$$;$
655	PPCODE:	1309	PPCODE:
656	{	1310	{
657	STRLEN svlen;	1311	STRLEN svlen;
		1312	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
658	char *svptr = SvPVbyte (data, svlen);	1313	char *svptr = SvPVbyte (data, svlen);
659	UV len = SvUV (length);	1314	UV len = SvUV (length);
660
661	SvUPGRADE (data, SVt_PV);
662	SvPOK_on (data);
663		1315
664	if (dataoffset < 0)	1316	if (dataoffset < 0)
665	dataoffset += svlen;	1317	dataoffset += svlen;
666		1318
667	if (dataoffset < 0 || dataoffset > svlen)	1319	if (dataoffset < 0 || dataoffset > svlen)
…		…
673	if (!SvOK (length) || len + dataoffset > svlen)	1325	if (!SvOK (length) || len + dataoffset > svlen)
674	len = svlen - dataoffset;	1326	len = svlen - dataoffset;
675	}	1327	}
676	else	1328	else
677	{	1329	{
678	/* read: grow scalar as necessary */	1330	/* read: check type and grow scalar as necessary */
		1331	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
679	svptr = SvGROW (data, len + dataoffset + 1);	1332	svptr = sv_grow (data, len + dataoffset + 1);
		1333	else if (SvCUR (data) < len + dataoffset)
		1334	croak ("length + dataoffset outside of scalar, and cannot grow");
680	}	1335	}
681
682	if (len < 0)
683	croak ("length must not be negative");
684		1336
685	{	1337	{
686	dREQ;	1338	dREQ;
687		1339
688	req->type = ix;	1340	req->type = ix;
689	req->sv1 = newSVsv (fh);	1341	req->sv1 = newSVsv (fh);
690	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1342	req->int1 = fd;
691	: IoOFP (sv_2io (fh)));
692	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1343	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
693	req->size = len;	1344	req->size = len;
694	req->sv2 = SvREFCNT_inc (data);	1345	req->sv2 = SvREFCNT_inc (data);
695	req->ptr2 = (char *)svptr + dataoffset;	1346	req->ptr2 = (char *)svptr + dataoffset;
696	req->stroffset = dataoffset;	1347	req->stroffset = dataoffset;
…		…
704	REQ_SEND;	1355	REQ_SEND;
705	}	1356	}
706	}	1357	}
707		1358
708	void	1359	void
709	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1360	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
710	PROTOTYPE: $$;$	1361	ALIAS:
		1362	aio_ioctl = EIO_IOCTL
		1363	aio_fcntl = EIO_FCNTL
711	PPCODE:	1364	PPCODE:
712	{	1365	{
713	SV *data;	1366	int fd = s_fileno_croak (fh, 0);
		1367	char *svptr;
		1368
		1369	if (SvPOK (arg) || !SvNIOK (arg))
		1370	{
		1371	STRLEN svlen;
		1372	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1373	#ifdef IOCPARM_LEN
		1374	STRLEN need = IOCPARM_LEN (request);
		1375	#else
		1376	STRLEN need = 256;
		1377	#endif
		1378
		1379	if (svlen < need)
		1380	svptr = SvGROW (arg, need);
		1381	}
		1382	else
		1383	svptr = (char *)SvIV (arg);
		1384
		1385	{
		1386	dREQ;
		1387
		1388	req->type = ix;
		1389	req->sv1 = newSVsv (fh);
		1390	req->int1 = fd;
		1391	req->int2 = (long)request;
		1392	req->sv2 = SvREFCNT_inc (arg);
		1393	req->ptr2 = svptr;
		1394
		1395	REQ_SEND;
		1396	}
		1397	}
		1398
		1399	void
		1400	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1401	ALIAS:
		1402	aio_readlink = EIO_READLINK
		1403	aio_realpath = EIO_REALPATH
		1404	PPCODE:
		1405	{
714	dREQ;	1406	dREQ;
715		1407
716	req->type = EIO_READLINK;	1408	req->type = ix;
717	req->sv1 = newSVsv (path);	1409	req_set_path1 (req, pathname);
718	req->ptr1 = SvPVbyte_nolen (req->sv1);
719		1410
720	REQ_SEND;	1411	REQ_SEND;
721	}	1412	}
722		1413
723	void	1414	void
724	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1415	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
725	PROTOTYPE: $$$$;$
726	PPCODE:	1416	PPCODE:
727	{	1417	{
		1418	int ifd = s_fileno_croak (in_fh , 0);
		1419	int ofd = s_fileno_croak (out_fh, 1);
728	dREQ;	1420	dREQ;
729		1421
730	req->type = EIO_SENDFILE;	1422	req->type = EIO_SENDFILE;
731	req->sv1 = newSVsv (out_fh);	1423	req->sv1 = newSVsv (out_fh);
732	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1424	req->int1 = ofd;
733	req->sv2 = newSVsv (in_fh);	1425	req->sv2 = newSVsv (in_fh);
734	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1426	req->int2 = ifd;
735	req->offs = SvVAL64 (in_offset);	1427	req->offs = in_offset;
736	req->size = length;	1428	req->size = length;
737		1429
738	REQ_SEND;	1430	REQ_SEND;
739	}	1431	}
740		1432
741	void	1433	void
742	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1434	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
743	PROTOTYPE: $$$;$
744	PPCODE:	1435	PPCODE:
745	{	1436	{
		1437	int fd = s_fileno_croak (fh, 0);
746	dREQ;	1438	dREQ;
747		1439
748	req->type = EIO_READAHEAD;	1440	req->type = EIO_READAHEAD;
749	req->sv1 = newSVsv (fh);	1441	req->sv1 = newSVsv (fh);
750	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1442	req->int1 = fd;
751	req->offs = SvVAL64 (offset);	1443	req->offs = offset;
752	req->size = length;	1444	req->size = length;
753		1445
754	REQ_SEND;	1446	REQ_SEND;
755	}	1447	}
756		1448
757	void	1449	void
758	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1450	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
759	ALIAS:	1451	ALIAS:
760	aio_stat = EIO_STAT	1452	aio_stat = EIO_STAT
761	aio_lstat = EIO_LSTAT	1453	aio_lstat = EIO_LSTAT
		1454	aio_statvfs = EIO_STATVFS
762	PPCODE:	1455	PPCODE:
763	{	1456	{
764	dREQ;	1457	dREQ;
765		1458
766	req->sv1 = newSVsv (fh_or_path);	1459	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
767
768	if (SvPOK (req->sv1))
769	{
770	req->type = ix;
771	req->ptr1 = SvPVbyte_nolen (req->sv1);
772	}
773	else
774	{
775	req->type = EIO_FSTAT;
776	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
777	}
778		1460
779	REQ_SEND;	1461	REQ_SEND;
780	}	1462	}
781		1463
		1464	UV
		1465	major (UV dev)
		1466	ALIAS:
		1467	minor = 1
		1468	CODE:
		1469	RETVAL = ix ? minor (dev) : major (dev);
		1470	OUTPUT:
		1471	RETVAL
		1472
		1473	UV
		1474	makedev (UV maj, UV min)
		1475	CODE:
		1476	RETVAL = makedev (maj, min);
		1477	OUTPUT:
		1478	RETVAL
		1479
782	void	1480	void
783	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1481	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
784	PPCODE:	1482	PPCODE:
785	{	1483	{
786	dREQ;	1484	dREQ;
787		1485
788	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1486	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
789	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1487	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
790	req->sv1 = newSVsv (fh_or_path);	1488	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
791
792	if (SvPOK (req->sv1))
793	{
794	req->type = EIO_UTIME;
795	req->ptr1 = SvPVbyte_nolen (req->sv1);
796	}
797	else
798	{
799	req->type = EIO_FUTIME;
800	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
801	}
802		1489
803	REQ_SEND;	1490	REQ_SEND;
804	}	1491	}
805		1492
806	void	1493	void
807	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1494	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
808	PPCODE:	1495	PPCODE:
809	{	1496	{
810	dREQ;	1497	dREQ;
811		1498
812	req->sv1 = newSVsv (fh_or_path);
813	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1499	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
814		1500	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
815	if (SvPOK (req->sv1))
816	{
817	req->type = EIO_TRUNCATE;
818	req->ptr1 = SvPVbyte_nolen (req->sv1);
819	}
820	else
821	{
822	req->type = EIO_FTRUNCATE;
823	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
824	}
825		1501
826	REQ_SEND;	1502	REQ_SEND;
827	}	1503	}
828		1504
829	void	1505	void
830	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1506	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
831	ALIAS:
832	aio_chmod = EIO_CHMOD
833	aio_mkdir = EIO_MKDIR
834	PPCODE:	1507	PPCODE:
835	{	1508	{
836	dREQ;	1509	dREQ;
837		1510
838	req->int2 = mode;	1511	req->int2 = mode;
839	req->sv1 = newSVsv (fh_or_path);	1512	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
840
841	if (SvPOK (req->sv1))
842	{
843	req->type = ix;
844	req->ptr1 = SvPVbyte_nolen (req->sv1);
845	}
846	else
847	{
848	req->type = EIO_FCHMOD;
849	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
850	}
851		1513
852	REQ_SEND;	1514	REQ_SEND;
853	}	1515	}
854		1516
855	void	1517	void
856	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1518	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
857	PPCODE:	1519	PPCODE:
858	{	1520	{
859	dREQ;	1521	dREQ;
860		1522
861	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1523	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
862	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1524	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
863	req->sv1 = newSVsv (fh_or_path);	1525	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
864
865	if (SvPOK (req->sv1))
866	{
867	req->type = EIO_CHOWN;
868	req->ptr1 = SvPVbyte_nolen (req->sv1);
869	}
870	else
871	{
872	req->type = EIO_FCHOWN;
873	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
874	}
875		1526
876	REQ_SEND;	1527	REQ_SEND;
877	}	1528	}
878		1529
879	void	1530	void
		1531	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
		1532	PPCODE:
		1533	{
		1534	dREQ;
		1535
		1536	req->type = EIO_READDIR;
		1537	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1538
		1539	if (flags & EIO_READDIR_DENTS)
		1540	req->int1 |= EIO_READDIR_CUSTOM2;
		1541
		1542	req_set_path1 (req, pathname);
		1543
		1544	REQ_SEND;
		1545	}
		1546
		1547	void
		1548	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1549	PPCODE:
		1550	{
		1551	dREQ;
		1552
		1553	req->type = EIO_MKDIR;
		1554	req->int2 = mode;
		1555	req_set_path1 (req, pathname);
		1556
		1557	REQ_SEND;
		1558	}
		1559
		1560	void
880	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1561	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
881	ALIAS:	1562	ALIAS:
882	aio_unlink = EIO_UNLINK	1563	aio_unlink = EIO_UNLINK
883	aio_rmdir = EIO_RMDIR	1564	aio_rmdir = EIO_RMDIR
884	aio_readdir = EIO_READDIR	1565	aio_readdir = EIO_READDIR
885	PPCODE:	1566	PPCODE:
886	{	1567	{
887	dREQ;	1568	dREQ;
888		1569
889	req->type = ix;	1570	req->type = ix;
890	req->sv1 = newSVsv (pathname);	1571	req_set_path1 (req, pathname);
891	req->ptr1 = SvPVbyte_nolen (req->sv1);
892		1572
893	REQ_SEND;	1573	REQ_SEND;
894	}	1574	}
895		1575
896	void	1576	void
897	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1577	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
898	ALIAS:	1578	ALIAS:
899	aio_link = EIO_LINK	1579	aio_link = EIO_LINK
900	aio_symlink = EIO_SYMLINK	1580	aio_symlink = EIO_SYMLINK
901	aio_rename = EIO_RENAME	1581	aio_rename = EIO_RENAME
902	PPCODE:	1582	PPCODE:
903	{	1583	{
		1584	eio_wd wd2 = 0;
904	dREQ;	1585	dREQ;
905		1586
906	req->type = ix;	1587	req->type = ix;
907	req->sv1 = newSVsv (oldpath);	1588	req_set_path1 (req, oldpath);
908	req->ptr1 = SvPVbyte_nolen (req->sv1);	1589	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
909	req->sv2 = newSVsv (newpath);	1590	req->int3 = (long)wd2;
910	req->ptr2 = SvPVbyte_nolen (req->sv2);
911		1591
912	REQ_SEND;	1592	REQ_SEND;
913	}	1593	}
914		1594
915	void	1595	void
916	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1596	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
917	PPCODE:	1597	PPCODE:
918	{	1598	{
919	dREQ;	1599	dREQ;
920		1600
921	req->type = EIO_MKNOD;	1601	req->type = EIO_MKNOD;
922	req->sv1 = newSVsv (pathname);
923	req->ptr1 = SvPVbyte_nolen (req->sv1);
924	req->int2 = (mode_t)mode;	1602	req->int2 = (mode_t)mode;
925	req->offs = dev;	1603	req->offs = dev;
		1604	req_set_path1 (req, pathname);
926		1605
927	REQ_SEND;	1606	REQ_SEND;
928	}	1607	}
929		1608
930	void	1609	void
		1610	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
		1611	ALIAS:
		1612	aio_mtouch = EIO_MTOUCH
		1613	aio_msync = EIO_MSYNC
		1614	PPCODE:
		1615	{
		1616	STRLEN svlen;
		1617	char *svptr = SvPVbyte (data, svlen);
		1618	UV len = SvUV (length);
		1619
		1620	if (offset < 0)
		1621	offset += svlen;
		1622
		1623	if (offset < 0 || offset > svlen)
		1624	croak ("offset outside of scalar");
		1625
		1626	if (!SvOK (length) || len + offset > svlen)
		1627	len = svlen - offset;
		1628
		1629	{
		1630	dREQ;
		1631
		1632	req->type = ix;
		1633	req->sv2 = SvREFCNT_inc (data);
		1634	req->ptr2 = (char *)svptr + offset;
		1635	req->size = len;
		1636	req->int1 = flags;
		1637
		1638	REQ_SEND;
		1639	}
		1640	}
		1641
		1642	void
		1643	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1644	PPCODE:
		1645	{
		1646	STRLEN svlen;
		1647	char *svptr = SvPVbyte (data, svlen);
		1648	UV len = SvUV (length);
		1649
		1650	if (offset < 0)
		1651	offset += svlen;
		1652
		1653	if (offset < 0 || offset > svlen)
		1654	croak ("offset outside of scalar");
		1655
		1656	if (!SvOK (length) || len + offset > svlen)
		1657	len = svlen - offset;
		1658
		1659	{
		1660	dREQ;
		1661
		1662	req->type = EIO_MLOCK;
		1663	req->sv2 = SvREFCNT_inc (data);
		1664	req->ptr2 = (char *)svptr + offset;
		1665	req->size = len;
		1666
		1667	REQ_SEND;
		1668	}
		1669	}
		1670
		1671	void
		1672	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1673	PPCODE:
		1674	{
		1675	dREQ;
		1676
		1677	req->type = EIO_MLOCKALL;
		1678	req->int1 = flags;
		1679
		1680	REQ_SEND;
		1681	}
		1682
		1683	void
		1684	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1685	PPCODE:
		1686	{
		1687	int fd = s_fileno_croak (fh, 0);
		1688	dREQ;
		1689
		1690	req->type = EIO_CUSTOM;
		1691	req->sv1 = newSVsv (fh);
		1692	req->int1 = fd;
		1693
		1694	req->feed = fiemap;
		1695	#if HAVE_FIEMAP
		1696	/* keep our fingers crossed that the next two types are 64 bit */
		1697	req->offs = start;
		1698	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1699	req->int2 = flags;
		1700	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1701	#endif
		1702
		1703	REQ_SEND;
		1704	}
		1705
		1706	void
931	aio_busy (double delay, SV *callback=&PL_sv_undef)	1707	aio_busy (double delay, SV *callback = &PL_sv_undef)
932	PPCODE:	1708	PPCODE:
933	{	1709	{
934	dREQ;	1710	dREQ;
935		1711
936	req->type = EIO_BUSY;	1712	req->type = EIO_BUSY;
…		…
938		1714
939	REQ_SEND;	1715	REQ_SEND;
940	}	1716	}
941		1717
942	void	1718	void
943	aio_group (SV *callback=&PL_sv_undef)	1719	aio_group (SV *callback = &PL_sv_undef)
944	PROTOTYPE: ;$
945	PPCODE:	1720	PPCODE:
946	{	1721	{
947	dREQ;	1722	dREQ;
948		1723
949	req->type = EIO_GROUP;	1724	req->type = EIO_GROUP;
950		1725
		1726	PUTBACK;
951	req_submit (req);	1727	req_submit (req);
		1728	SPAGAIN;
		1729
952	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1730	XPUSHs (req_sv (req, aio_grp_stash));
953	}	1731	}
954		1732
955	void	1733	void
956	aio_nop (SV *callback=&PL_sv_undef)	1734	aio_nop (SV *callback = &PL_sv_undef)
957	ALIAS:	1735	ALIAS:
958	aio_nop = EIO_NOP	1736	aio_nop = EIO_NOP
959	aio_sync = EIO_SYNC	1737	aio_sync = EIO_SYNC
960	PPCODE:	1738	PPCODE:
961	{	1739	{
…		…
965		1743
966	REQ_SEND;	1744	REQ_SEND;
967	}	1745	}
968		1746
969	int	1747	int
970	aioreq_pri (int pri = 0)	1748	aioreq_pri (int pri = NO_INIT)
971	PROTOTYPE: ;$
972	CODE:	1749	CODE:
973	RETVAL = next_pri;	1750	RETVAL = next_pri;
974	if (items > 0)	1751	if (items > 0)
975	{	1752	{
976	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1753	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
988	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1765	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
989	next_pri = nice;	1766	next_pri = nice;
990		1767
991	void	1768	void
992	flush ()	1769	flush ()
993	PROTOTYPE:
994	CODE:	1770	CODE:
995	while (eio_nreqs ())	1771	while (eio_nreqs ())
996	{	1772	{
997	poll_wait ();	1773	poll_wait ();
998	poll_cb ();	1774	poll_cb ();
999	}	1775	}
1000		1776
1001	int	1777	int
1002	poll()	1778	poll ()
1003	PROTOTYPE:
1004	CODE:	1779	CODE:
1005	poll_wait ();	1780	poll_wait ();
1006	RETVAL = poll_cb ();	1781	RETVAL = poll_cb ();
1007	OUTPUT:	1782	OUTPUT:
1008	RETVAL	1783	RETVAL
1009		1784
1010	int	1785	int
1011	poll_fileno()	1786	poll_fileno ()
1012	PROTOTYPE:
1013	CODE:	1787	CODE:
1014	RETVAL = respipe [0];	1788	RETVAL = s_epipe_fd (&respipe);
1015	OUTPUT:	1789	OUTPUT:
1016	RETVAL	1790	RETVAL
1017		1791
1018	int	1792	int
1019	poll_cb(...)	1793	poll_cb (...)
1020	PROTOTYPE:	1794	PROTOTYPE:
1021	CODE:	1795	CODE:
1022	RETVAL = poll_cb ();	1796	RETVAL = poll_cb ();
1023	OUTPUT:	1797	OUTPUT:
1024	RETVAL	1798	RETVAL
1025		1799
1026	void	1800	void
1027	poll_wait()	1801	poll_wait ()
1028	PROTOTYPE:
1029	CODE:	1802	CODE:
1030	poll_wait ();	1803	poll_wait ();
1031		1804
1032	int	1805	int
1033	nreqs()	1806	nreqs ()
1034	PROTOTYPE:
1035	CODE:	1807	CODE:
1036	RETVAL = eio_nreqs ();	1808	RETVAL = eio_nreqs ();
1037	OUTPUT:	1809	OUTPUT:
1038	RETVAL	1810	RETVAL
1039		1811
1040	int	1812	int
1041	nready()	1813	nready ()
1042	PROTOTYPE:
1043	CODE:	1814	CODE:
1044	RETVAL = eio_nready ();	1815	RETVAL = eio_nready ();
1045	OUTPUT:	1816	OUTPUT:
1046	RETVAL	1817	RETVAL
1047		1818
1048	int	1819	int
1049	npending()	1820	npending ()
1050	PROTOTYPE:
1051	CODE:	1821	CODE:
1052	RETVAL = eio_npending ();	1822	RETVAL = eio_npending ();
1053	OUTPUT:	1823	OUTPUT:
1054	RETVAL	1824	RETVAL
1055		1825
1056	int	1826	int
1057	nthreads()	1827	nthreads ()
1058	PROTOTYPE:
1059	CODE:	1828	CODE:
1060	RETVAL = eio_nthreads ();	1829	RETVAL = eio_nthreads ();
1061	OUTPUT:	1830	OUTPUT:
1062	RETVAL	1831	RETVAL
1063		1832
		1833	int
		1834	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1835	CODE:
		1836	RETVAL = posix_fadvise (fh, offset, length, advice);
		1837	OUTPUT:
		1838	RETVAL
		1839
		1840	IV
		1841	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1842	CODE:
		1843	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1844	OUTPUT:
		1845	RETVAL
		1846
		1847	void
		1848	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
		1849	PPCODE:
		1850	sv_unmagic (scalar, MMAP_MAGIC);
		1851	{
		1852	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1853	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1854	if (addr == (void *)-1)
		1855	XSRETURN_NO;
		1856
		1857	sv_force_normal (scalar);
		1858
		1859	/* we store the length in mg_obj, as namlen is I32 :/ */
		1860	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1861	->mg_obj = (SV *)length;
		1862
		1863	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1864
		1865	if (!(prot & PROT_WRITE))
		1866	SvREADONLY_on (scalar);
		1867
		1868	if (SvLEN (scalar))
		1869	Safefree (SvPVX (scalar));
		1870
		1871	SvPVX (scalar) = (char *)addr;
		1872	SvCUR_set (scalar, length);
		1873	SvLEN_set (scalar, 0);
		1874	SvPOK_only (scalar);
		1875
		1876	XSRETURN_YES;
		1877	}
		1878
		1879	void
		1880	munmap (SV *scalar)
		1881	CODE:
		1882	sv_unmagic (scalar, MMAP_MAGIC);
		1883
		1884	int
		1885	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1886	ALIAS:
		1887	mprotect = 1
		1888	CODE:
		1889	{
		1890	STRLEN svlen;
		1891	void *addr = SvPVbyte (scalar, svlen);
		1892	STRLEN len = SvUV (length);
		1893
		1894	if (offset < 0)
		1895	offset += svlen;
		1896
		1897	if (offset < 0 || offset > svlen)
		1898	croak ("offset outside of scalar");
		1899
		1900	if (!SvOK (length) || len + offset > svlen)
		1901	len = svlen - offset;
		1902
		1903	addr = (void *)(((intptr_t)addr) + offset);
		1904	eio_page_align (&addr, &len);
		1905
		1906	switch (ix)
		1907	{
		1908	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1909	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1910	}
		1911	}
		1912	OUTPUT:
		1913	RETVAL
		1914
		1915	int
		1916	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1917	CODE:
		1918	{
		1919	STRLEN svlen;
		1920	void *addr = SvPVbyte (scalar, svlen);
		1921	size_t len = SvUV (length);
		1922
		1923	if (offset < 0)
		1924	offset += svlen;
		1925
		1926	if (offset < 0 || offset > svlen)
		1927	croak ("offset outside of scalar");
		1928
		1929	if (!SvOK (length) || len + offset > svlen)
		1930	len = svlen - offset;
		1931
		1932	addr = (void *)(((intptr_t)addr) + offset);
		1933	eio_page_align (&addr, &len);
		1934	#if _POSIX_MEMLOCK_RANGE
		1935	RETVAL = munlock (addr, len);
		1936	#else
		1937	RETVAL = EIO_ENOSYS ();
		1938	#endif
		1939	}
		1940	OUTPUT:
		1941	RETVAL
		1942
		1943	int
		1944	munlockall ()
		1945	CODE:
		1946	#if _POSIX_MEMLOCK
		1947	munlockall ();
		1948	#else
		1949	RETVAL = EIO_ENOSYS ();
		1950	#endif
		1951	OUTPUT:
		1952	RETVAL
		1953
		1954	int
		1955	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1956	CODE:
		1957	{
		1958	#if HAVE_LINUX_SPLICE
		1959	loff_t off_in_, off_out_;
		1960	RETVAL = splice (
		1961	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1962	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1963	length, flags
		1964	);
		1965	#else
		1966	RETVAL = EIO_ENOSYS ();
		1967	#endif
		1968	}
		1969	OUTPUT:
		1970	RETVAL
		1971
		1972	int
		1973	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1974	CODE:
		1975	#if HAVE_LINUX_SPLICE
		1976	RETVAL = tee (rfh, wfh, length, flags);
		1977	#else
		1978	RETVAL = EIO_ENOSYS ();
		1979	#endif
		1980	OUTPUT:
		1981	RETVAL
		1982
		1983	int
		1984	pipesize (aio_rfd rfh, int new_size = -1)
		1985	PROTOTYPE: $;$
		1986	CODE:
		1987	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1988	if (new_size >= 0)
		1989	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1990	else
		1991	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1992	#else
		1993	errno = ENOSYS;
		1994	RETVAL = -1;
		1995	#endif
		1996	OUTPUT:
		1997	RETVAL
		1998
		1999	void
		2000	pipe2 (int flags = 0)
		2001	PROTOTYPE: ;$
		2002	PPCODE:
		2003	{
		2004	int fd[2];
		2005	int res;
		2006
		2007	if (flags)
		2008	#if HAVE_PIPE2
		2009	res = pipe2 (fd, flags);
		2010	#else
		2011	res = (errno = ENOSYS, -1);
		2012	#endif
		2013	else
		2014	res = pipe (fd);
		2015
		2016	if (!res)
		2017	{
		2018	EXTEND (SP, 2);
		2019	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2020	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2021	}
		2022	}
		2023
1064	void _on_next_submit (SV *cb)	2024	void _on_next_submit (SV *cb)
1065	CODE:	2025	CODE:
1066	SvREFCNT_dec (on_next_submit);	2026	SvREFCNT_dec (on_next_submit);
1067	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2027	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1068		2028
1069	PROTOTYPES: DISABLE	2029	PROTOTYPES: DISABLE
1070		2030
		2031	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2032
		2033	BOOT:
		2034	{
		2035	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2036	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2037	}
		2038
		2039	void
		2040	DESTROY (SV *self)
		2041	CODE:
		2042	{
		2043	aio_wd wd = SvAIO_WD (self);
		2044	#if HAVE_AT
		2045	{
		2046	SV *callback = &PL_sv_undef;
		2047	dREQ; /* clobbers next_pri :/ */
		2048	next_pri = req->pri; /* restore next_pri */
		2049	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2050	req->type = EIO_WD_CLOSE;
		2051	req->wd = wd;
		2052	REQ_SEND;
		2053	}
		2054	#else
		2055	eio_wd_close_sync (wd);
		2056	#endif
		2057	}
		2058
1071	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2059	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1072		2060
1073	void	2061	void
1074	cancel (aio_req_ornot req)	2062	cancel (aio_req_ornot req)
1075	CODE:	2063	CODE:
1076	eio_cancel (req);	2064	eio_cancel (req);
1077		2065
1078	void	2066	void
1079	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2067	cb (aio_req_ornot req, SV *callback = NO_INIT)
1080	PPCODE:	2068	PPCODE:
1081	{	2069	{
1082	if (GIMME_V != G_VOID)	2070	if (GIMME_V != G_VOID)
1083	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2071	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1084		2072
…		…
1129	AV *av;	2117	AV *av;
1130		2118
1131	grp->errorno = errno;	2119	grp->errorno = errno;
1132		2120
1133	av = newAV ();	2121	av = newAV ();
		2122	av_extend (av, items - 1);
1134		2123
1135	for (i = 1; i < items; ++i )	2124	for (i = 1; i < items; ++i )
1136	av_push (av, newSVsv (ST (i)));	2125	av_push (av, newSVsv (ST (i)));
1137		2126
1138	SvREFCNT_dec (grp->sv1);	2127	SvREFCNT_dec (grp->sv1);
…		…
1148	limit (aio_req grp, int limit)	2137	limit (aio_req grp, int limit)
1149	CODE:	2138	CODE:
1150	eio_grp_limit (grp, limit);	2139	eio_grp_limit (grp, limit);
1151		2140
1152	void	2141	void
1153	feed (aio_req grp, SV *callback=&PL_sv_undef)	2142	feed (aio_req grp, SV *callback = &PL_sv_undef)
1154	CODE:	2143	CODE:
1155	{	2144	{
1156	SvREFCNT_dec (grp->sv2);	2145	SvREFCNT_dec (grp->sv2);
1157	grp->sv2 = newSVsv (callback);	2146	grp->sv2 = newSVsv (callback);
1158	grp->feed = aio_grp_feed;	2147	grp->feed = aio_grp_feed;

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