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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.150 by root, Wed Jul 1 08:11:24 2009 UTC vs.
Revision 1.246 by root, Fri Jun 23 21:43:51 2017 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 VAL64 IV
81	# define SvVAL64 SvIV
82	# define newSVval64 newSViv
83	#else	84	#else
84	# define VAL64 NV	85
85	# define SvVAL64 SvNV	86	#include <sys/time.h>
86	# define newSVval64 newSVnv	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
87	#endif	94	#endif
88		95
89	/*****************************************************************************/	96	/*****************************************************************************/
90		97
91	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
97	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
98	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
99		106
100	/*****************************************************************************/	107	/*****************************************************************************/
101		108
102	static HV *stash;
103	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
106		112
107	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108	#define AIO_GRP_KLASS "IO::AIO::GRP"
109		114
110	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
111	SV *callback; \	116	SV *callback; \
112	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
113	STRLEN stroffset; \	119	STRLEN stroffset; \
114	SV *self;	120	SV *self;
115		121
116	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
117		123
		124	#include "libeio/config.h"
118	#include "libeio/eio.h"	125	#include "libeio/eio.h"
119
120	#ifndef POSIX_FADV_NORMAL
121	# define POSIX_FADV_NORMAL 0
122	# define NO_FADVISE 1
123	#endif
124
125	#ifndef POSIX_FADV_SEQUENTIAL
126	# define POSIX_FADV_SEQUENTIAL 0
127	#endif
128
129	#ifndef POSIX_FADV_RANDOM
130	# define POSIX_FADV_RANDOM 0
131	#endif
132
133	#ifndef POSIX_FADV_NOREUSE
134	# define POSIX_FADV_NOREUSE 0
135	#endif
136
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		126
145	static int req_invoke (eio_req *req);	127	static int req_invoke (eio_req *req);
146	#define EIO_FINISH(req) req_invoke (req)	128	#define EIO_FINISH(req) req_invoke (req)
147	static void req_destroy (eio_req *grp);	129	static void req_destroy (eio_req *grp);
148	#define EIO_DESTROY(req) req_destroy (req)	130	#define EIO_DESTROY(req) req_destroy (req)
149		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
150	enum {	268	enum {
151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152	};	270	};
153		271
154	#include "libeio/eio.c"
155
156	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
157	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
158		275
159	static SV *on_next_submit;	276	static SV *on_next_submit;
160	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
161	static int max_outstanding;	278	static int max_outstanding;
162		279
163	static int respipe_osf [2], respipe [2] = { -1, -1 };	280	static s_epipe respipe;
164		281
165	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
166	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
167		284
168	static void want_poll (void)	285	static void
		286	want_poll (void)
169	{	287	{
170	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
171	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	289	s_epipe_signal (&respipe);
172	}	290	}
173		291
174	static void done_poll (void)	292	static void
		293	done_poll (void)
175	{	294	{
176	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
177	char buf [4];	296	s_epipe_drain (&respipe);
178	while (respipe_read (respipe [0], buf, 4) == 4)
179	;
180	}	297	}
181		298
182	/* must be called at most once */	299	/* must be called at most once */
183	static SV *req_sv (aio_req req, const char *klass)	300	static SV *
		301	req_sv (aio_req req, HV *stash)
184	{	302	{
185	if (!req->self)	303	if (!req->self)
186	{	304	{
187	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
188	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189	}	307	}
190		308
191	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192	}	310	}
193		311
194	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)
195	{	320	{
196	MAGIC *mg;	321	MAGIC *mg;
197		322
198	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")))
199	croak ("object of class " AIO_REQ_KLASS " expected");	328	croak ("object of class IO::AIO::REQ expected");
200		329
201	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202		331
203	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
204	}	333	}
205		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
206	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
207	{	373	{
208	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
209	{	375	{
210	dSP;	376	dSP;
211		377
212	ENTER;	378	ENTER;
213	SAVETMPS;	379	SAVETMPS;
214	PUSHMARK (SP);	380	PUSHMARK (SP);
215	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	381	XPUSHs (req_sv (grp, aio_grp_stash));
216	PUTBACK;	382	PUTBACK;
217	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	383	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218	SPAGAIN;	384	SPAGAIN;
219	FREETMPS;	385	FREETMPS;
220	LEAVE;	386	LEAVE;
221	}	387	}
222	}	388	}
223		389
		390	static void
224	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
225	{	392	{
226	eio_submit (req);	393	eio_submit (req);
227		394
228	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
229	{	396	{
…		…
236	PUTBACK;	403	PUTBACK;
237	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
238	}	405	}
239	}	406	}
240		407
		408	static int
241	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
242	{	410	{
243	dSP;
244
245	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
246	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
247		413
248	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
249	{	415	{
		416	dSP;
		417	static SV *sv_result_cache; /* caches the result integer SV */
		418	SV *sv_result;
		419
250	ENTER;	420	ENTER;
251	SAVETMPS;	421	SAVETMPS;
252	PUSHMARK (SP);	422	PUSHMARK (SP);
253	EXTEND (SP, 1);	423	EXTEND (SP, 1);
254		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
255	switch (req->type)	438	switch (req->type)
256	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
257	case EIO_READDIR:	444	case EIO_READDIR:
258	{	445	{
259	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
260		447
261	if (req->result >= 0)	448	if (req->result >= 0)
…		…
314	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
315	}	502	}
316	break;	503	break;
317		504
318	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:
319	{	511	{
320	/* convert fd to fh */
321	SV *fh = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
322		513
		514	#ifndef _WIN32
323	if (req->result >= 0)	515	if (req->result >= 0)
324	{	516	{
		517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
325	GV *gv = (GV *)sv_newmortal ();	518	HV *hv = newHV ();
326	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
327	char sym [64];	520	* chooses to make it a struct.
328	int symlen;
329		521	*/
330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	522	unsigned long fsid = 0;
331	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));
332		524
333	symlen = snprintf (	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
334	sym,
335	sizeof (sym),
336	"%s&=%d",
337	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
338	(int)req->result
339	);
340		526
341	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
342	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);
343	}	538	}
		539	#endif
344		540
345	PUSHs (fh);	541	PUSHs (rv);
346	}	542	}
		543
347	break;	544	break;
348		545
349	case EIO_GROUP:	546	case EIO_GROUP:
350	req->int1 = 2; /* mark group as finished */	547	req->int1 = 2; /* mark group as finished */
351		548
…		…
363	case EIO_NOP:	560	case EIO_NOP:
364	case EIO_BUSY:	561	case EIO_BUSY:
365	break;	562	break;
366		563
367	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
368	if (req->result > 0)	566	if (req->result > 0)
369	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370	break;	568	break;
371		569
372	case EIO_STAT:	570	case EIO_STAT:
373	case EIO_LSTAT:	571	case EIO_LSTAT:
374	case EIO_FSTAT:	572	case EIO_FSTAT:
375	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
376	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
377	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378	PUSHs (sv_2mortal (newSViv (req->result)));	578
		579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
379	break;	584	break;
380		585
381	case EIO_READ:	586	case EIO_READ:
382	{	587	{
383	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));
384	*SvEND (req->sv2) = 0;	589	*SvEND (req->sv2) = 0;
385	SvPOK_only (req->sv2);	590	SvPOK_only (req->sv2);
386	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
387	PUSHs (sv_2mortal (newSViv (req->result)));	592	PUSHs (sv_result);
388	}	593	}
389	break;	594	break;
390		595
391	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 */
392	if (req->result > 0)	637	if (req->result > 0)
393	req->result = 0;	638	SvIV_set (sv_result, 0);
394	/* FALLTHROUGH */	639	/* FALLTHROUGH */
395		640
396	default:	641	default:
397	PUSHs (sv_2mortal (newSViv (req->result)));	642	PUSHs (sv_result);
398	break;	643	break;
399	}	644	}
400		645
401	errno = req->errorno;	646	errno = req->errorno;
402		647
403	PUTBACK;	648	PUTBACK;
404	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	649	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405	SPAGAIN;	650	SPAGAIN;
406		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
407	FREETMPS;	657	FREETMPS;
408	LEAVE;	658	LEAVE;
409		659
410	PUTBACK;	660	PUTBACK;
411	}	661	}
412		662
413	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
414	}	664	}
415		665
		666	static void
416	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
417	{	668	{
418	if (req->self)	669	if (req->self)
419	{	670	{
420	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
421	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
422	}	673	}
423		674
424	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
425	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
426	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
427		680
428	Safefree (req);	681	free (req);
429	}	682	}
430		683
		684	static void
431	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
432	{	686	{
433	aio_req sub;
434
435	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
436	return;	688	return;
437		689
438	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
439	grp->sv2 = 0;	691	grp->sv2 = 0;
440		692
441	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
442	}	694	}
443		695
444	#ifdef USE_SOCKETS_AS_HANDLES	696	static void ecb_cold
445	# define TO_SOCKET(x) (win32_get_osfhandle (x))	697	create_respipe (void)
446	#else	698	{
447	# define TO_SOCKET(x) (x)	699	if (s_epipe_renew (&respipe))
448	#endif	700	croak ("IO::AIO: unable to initialize result pipe");
		701	}
449		702
450	static void	703	static void
451	create_respipe (void)	704	poll_wait (void)
452	{	705	{
453	int old_readfd = respipe [0];
454
455	if (respipe [1] >= 0)
456	respipe_close (TO_SOCKET (respipe [1]));
457
458	#ifdef _WIN32
459	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460	#else
461	if (pipe (respipe))
462	#endif
463	croak ("unable to initialize result pipe");
464
465	if (old_readfd >= 0)
466	{
467	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468	croak ("unable to initialize result pipe(2)");
469
470	respipe_close (respipe [0]);
471	respipe [0] = old_readfd;
472	}
473
474	#ifdef _WIN32
475	int arg = 1;
476	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478	#else
479	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481	#endif
482	croak ("unable to initialize result pipe(3)");
483
484	respipe_osf [0] = TO_SOCKET (respipe [0]);
485	respipe_osf [1] = TO_SOCKET (respipe [1]);
486	}
487
488	static void poll_wait (void)
489	{
490	fd_set rfd;
491
492	while (eio_nreqs ())	706	while (eio_nreqs ())
493	{	707	{
494	int size;	708	int size;
495		709
496	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
497	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
498	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
499		713
500	if (size)	714	if (size)
501	return;	715	return;
502		716
503	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
504		718
505	FD_ZERO (&rfd);	719	s_epipe_wait (&respipe);
506	FD_SET (respipe [0], &rfd);
507
508	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509	}	720	}
510	}	721	}
511		722
512	static int poll_cb (void)	723	static int
		724	poll_cb (void)
513	{	725	{
514	for (;;)	726	for (;;)
515	{	727	{
516	int res = eio_poll ();	728	int res = eio_poll ();
517		729
…		…
523		735
524	poll_wait ();	736	poll_wait ();
525	}	737	}
526	}	738	}
527		739
528	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
529	{	742	{
530	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
531	}	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	/*****************************************************************************/
532		788
533	static SV *	789	static SV *
534	get_cb (SV *cb_sv)	790	get_cb (SV *cb_sv)
535	{	791	{
536	HV *st;	792	SvGETMAGIC (cb_sv);
537	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	{
538	CV *cv;	799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
539		803
540	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
541	return 0;	813	return req;
542
543	cv = sv_2cv (cb_sv, &st, &gvp, 0);
544
545	if (!cv)
546	croak ("IO::AIO callback must be undef or a CODE reference");
547
548	return (SV *)cv;
549	}	814	}
550		815
551	#define dREQ \	816	#define dREQ \
552	SV *cb_cv; \	817	aio_req req = dreq (callback); \
553	aio_req req; \
554	int req_pri = next_pri; \
555	next_pri = EIO_PRI_DEFAULT; \
556	\
557	cb_cv = get_cb (callback); \
558	\
559	Newz (0, req, 1, eio_req); \
560	if (!req) \
561	croak ("out of memory during eio_req allocation"); \
562	\
563	req->callback = SvREFCNT_inc (cb_cv); \
564	req->pri = req_pri
565		818
566	#define REQ_SEND \	819	#define REQ_SEND \
567	PUTBACK; \	820	PUTBACK; \
568	req_submit (req); \	821	req_submit (req); \
569	SPAGAIN; \	822	SPAGAIN; \
570	\	823	\
571	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
572	XPUSHs (req_sv (req, AIO_REQ_KLASS));	825	XPUSHs (req_sv (req, aio_req_stash));
573		826
574	static int	827	ecb_inline void
575	extract_fd (SV *fh, int wr)	828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
576	{	829	{
577	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));	830	if (expect_false (SvROK (path)))
		831	{
		832	SV *rv = SvRV (path);
		833	SV *wdob;
578		834
579	if (fd < 0)	835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
580	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");	836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
581		839
582	return fd;	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);
583	}	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;
584		892
585	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
586		894
587	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
588		896
…		…
590	{	898	{
591	static const struct {	899	static const struct {
592	const char *name;	900	const char *name;
593	IV iv;	901	IV iv;
594	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
595	# define const_iv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
		904	# define const_iv(name) { # name, (IV) name },
596	# define const_eio(name) { # name, (IV) EIO_ ## name },	905	# define const_eio(name) { # name, (IV) EIO_ ## name },
597	const_iv (EXDEV , EXDEV)	906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
598	const_iv (ENOSYS , ENOSYS)	909	const_iv (ENOSYS)
599	const_iv (O_RDONLY, O_RDONLY)	910	const_iv (EXDEV)
600	const_iv (O_WRONLY, O_WRONLY)	911	const_iv (EBADR)
601	const_iv (O_CREAT , O_CREAT)	912
602	const_iv (O_TRUNC , O_TRUNC)	913	/* for lseek */
603	#ifndef _WIN32	914	const_iv (SEEK_DATA)
604	const_iv (S_IFIFO , S_IFIFO)	915	const_iv (SEEK_HOLE)
605	#endif	916
606	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	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 (F_DUPFD_CLOEXEC)
		1002
		1003	const_iv (F_OFD_GETLK)
		1004	const_iv (F_OFD_SETLK)
		1005	const_iv (F_OFD_GETLKW)
		1006
		1007	const_iv (FIFREEZE)
		1008	const_iv (FITHAW)
		1009	const_iv (FITRIM)
		1010	const_iv (FICLONE)
		1011	const_iv (FICLONERANGE)
		1012	const_iv (FIDEDUPERANGE)
		1013
		1014	const_iv (FS_IOC_GETFLAGS)
		1015	const_iv (FS_IOC_SETFLAGS)
		1016	const_iv (FS_IOC_GETVERSION)
		1017	const_iv (FS_IOC_SETVERSION)
		1018	const_iv (FS_IOC_FIEMAP)
		1019	const_iv (FS_IOC_FSGETXATTR)
		1020	const_iv (FS_IOC_FSSETXATTR)
		1021	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1022	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1023	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1024
		1025	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1026
		1027	const_iv (FS_SECRM_FL)
		1028	const_iv (FS_UNRM_FL)
		1029	const_iv (FS_COMPR_FL)
		1030	const_iv (FS_SYNC_FL)
		1031	const_iv (FS_IMMUTABLE_FL)
		1032	const_iv (FS_APPEND_FL)
		1033	const_iv (FS_NODUMP_FL)
		1034	const_iv (FS_NOATIME_FL)
		1035	const_iv (FS_DIRTY_FL)
		1036	const_iv (FS_COMPRBLK_FL)
		1037	const_iv (FS_NOCOMP_FL)
		1038	const_iv (FS_ENCRYPT_FL)
		1039	const_iv (FS_BTREE_FL)
		1040	const_iv (FS_INDEX_FL)
		1041	const_iv (FS_JOURNAL_DATA_FL)
		1042	const_iv (FS_NOTAIL_FL)
		1043	const_iv (FS_DIRSYNC_FL)
		1044	const_iv (FS_TOPDIR_FL)
		1045	const_iv (FS_FL_USER_MODIFIABLE)
		1046
		1047	const_iv (FS_XFLAG_REALTIME)
		1048	const_iv (FS_XFLAG_PREALLOC)
		1049	const_iv (FS_XFLAG_IMMUTABLE)
		1050	const_iv (FS_XFLAG_APPEND)
		1051	const_iv (FS_XFLAG_SYNC)
		1052	const_iv (FS_XFLAG_NOATIME)
		1053	const_iv (FS_XFLAG_NODUMP)
		1054	const_iv (FS_XFLAG_RTINHERIT)
		1055	const_iv (FS_XFLAG_PROJINHERIT)
		1056	const_iv (FS_XFLAG_NOSYMLINKS)
		1057	const_iv (FS_XFLAG_EXTSIZE)
		1058	const_iv (FS_XFLAG_EXTSZINHERIT)
		1059	const_iv (FS_XFLAG_NODEFRAG)
		1060	const_iv (FS_XFLAG_FILESTREAM)
		1061	const_iv (FS_XFLAG_DAX)
		1062	const_iv (FS_XFLAG_HASATTR)
		1063
		1064	const_iv (FIEMAP_FLAG_SYNC)
		1065	const_iv (FIEMAP_FLAG_XATTR)
		1066	const_iv (FIEMAP_FLAGS_COMPAT)
		1067	const_iv (FIEMAP_EXTENT_LAST)
		1068	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1069	const_iv (FIEMAP_EXTENT_DELALLOC)
		1070	const_iv (FIEMAP_EXTENT_ENCODED)
		1071	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1072	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1073	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1074	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1075	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1076	const_iv (FIEMAP_EXTENT_MERGED)
		1077	const_iv (FIEMAP_EXTENT_SHARED)
		1078
		1079	const_iv (SPLICE_F_MOVE)
		1080	const_iv (SPLICE_F_NONBLOCK)
		1081	const_iv (SPLICE_F_MORE)
		1082	const_iv (SPLICE_F_GIFT)
		1083
		1084	/* these are libeio constants, and are independent of gendef0 */
		1085	const_eio (SEEK_SET)
		1086	const_eio (SEEK_CUR)
		1087	const_eio (SEEK_END)
		1088
		1089	const_eio (MCL_FUTURE)
		1090	const_eio (MCL_CURRENT)
		1091
		1092	const_eio (MS_ASYNC)
		1093	const_eio (MS_INVALIDATE)
		1094	const_eio (MS_SYNC)
		1095
		1096	const_eio (MT_MODIFY)
612		1097
613	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1098	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614	const_eio (SYNC_FILE_RANGE_WRITE)	1099	const_eio (SYNC_FILE_RANGE_WRITE)
615	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1100	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1101
		1102	const_eio (FALLOC_FL_KEEP_SIZE)
		1103	const_eio (FALLOC_FL_PUNCH_HOLE)
		1104	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1105	const_eio (FALLOC_FL_ZERO_RANGE)
		1106
		1107	const_eio (RENAME_NOREPLACE)
		1108	const_eio (RENAME_EXCHANGE)
		1109	const_eio (RENAME_WHITEOUT)
616		1110
617	const_eio (READDIR_DENTS)	1111	const_eio (READDIR_DENTS)
618	const_eio (READDIR_DIRS_FIRST)	1112	const_eio (READDIR_DIRS_FIRST)
619	const_eio (READDIR_STAT_ORDER)	1113	const_eio (READDIR_STAT_ORDER)
620	const_eio (READDIR_FOUND_UNKNOWN)	1114	const_eio (READDIR_FOUND_UNKNOWN)
…		…
628	const_eio (DT_LNK)	1122	const_eio (DT_LNK)
629	const_eio (DT_SOCK)	1123	const_eio (DT_SOCK)
630	const_eio (DT_WHT)	1124	const_eio (DT_WHT)
631	};	1125	};
632		1126
633	stash = gv_stashpv ("IO::AIO", 1);	1127	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1128	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1129	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1130	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
634		1131
635	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1132	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
636	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1133	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
637		1134
638	create_respipe ();	1135	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
639		1136
640	if (eio_init (want_poll, done_poll) < 0)	1137	reinit ();
641	croak ("IO::AIO: unable to initialise eio library");
642
643	/* atfork child called in fifo order, so before eio's handler */
644	X_THREAD_ATFORK (0, 0, atfork_child);
645	}	1138	}
646		1139
647	void	1140	void
		1141	reinit ()
		1142	PROTOTYPE:
		1143
		1144	void
648	max_poll_reqs (int nreqs)	1145	max_poll_reqs (unsigned int nreqs)
649	PROTOTYPE: $	1146	PROTOTYPE: $
650	CODE:	1147	CODE:
651	eio_set_max_poll_reqs (nreqs);	1148	eio_set_max_poll_reqs (nreqs);
652		1149
653	void	1150	void
…		…
655	PROTOTYPE: $	1152	PROTOTYPE: $
656	CODE:	1153	CODE:
657	eio_set_max_poll_time (nseconds);	1154	eio_set_max_poll_time (nseconds);
658		1155
659	void	1156	void
660	min_parallel (int nthreads)	1157	min_parallel (unsigned int nthreads)
661	PROTOTYPE: $	1158	PROTOTYPE: $
662	CODE:	1159	CODE:
663	eio_set_min_parallel (nthreads);	1160	eio_set_min_parallel (nthreads);
664		1161
665	void	1162	void
666	max_parallel (int nthreads)	1163	max_parallel (unsigned int nthreads)
667	PROTOTYPE: $	1164	PROTOTYPE: $
668	CODE:	1165	CODE:
669	eio_set_max_parallel (nthreads);	1166	eio_set_max_parallel (nthreads);
670		1167
671	void	1168	void
672	max_idle (int nthreads)	1169	max_idle (unsigned int nthreads)
673	PROTOTYPE: $	1170	PROTOTYPE: $
674	CODE:	1171	CODE:
675	eio_set_max_idle (nthreads);	1172	eio_set_max_idle (nthreads);
676		1173
677	void	1174	void
		1175	idle_timeout (unsigned int seconds)
		1176	PROTOTYPE: $
		1177	CODE:
		1178	eio_set_idle_timeout (seconds);
		1179
		1180	void
678	max_outstanding (int maxreqs)	1181	max_outstanding (unsigned int maxreqs)
679	PROTOTYPE: $	1182	PROTOTYPE: $
680	CODE:	1183	CODE:
681	max_outstanding = maxreqs;	1184	max_outstanding = maxreqs;
682		1185
683	void	1186	void
684	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1187	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
685	PROTOTYPE: $$$;$
686	PPCODE:	1188	PPCODE:
687	{	1189	{
688	dREQ;	1190	dREQ;
689		1191
		1192	req->type = EIO_WD_OPEN;
		1193	req_set_path1 (req, pathname);
		1194
		1195	REQ_SEND;
		1196	}
		1197
		1198	void
		1199	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1200	PPCODE:
		1201	{
		1202	dREQ;
		1203
690	req->type = EIO_OPEN;	1204	req->type = EIO_OPEN;
691	req->sv1 = newSVsv (pathname);	1205	req_set_path1 (req, pathname);
692	req->ptr1 = SvPVbyte_nolen (req->sv1);
693	req->int1 = flags;	1206	req->int1 = flags;
694	req->int2 = mode;	1207	req->int2 = mode;
695		1208
696	REQ_SEND;	1209	REQ_SEND;
697	}	1210	}
698		1211
699	void	1212	void
700	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1213	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
701	PROTOTYPE: $;$
702	ALIAS:	1214	ALIAS:
703	aio_fsync = EIO_FSYNC	1215	aio_fsync = EIO_FSYNC
704	aio_fdatasync = EIO_FDATASYNC	1216	aio_fdatasync = EIO_FDATASYNC
		1217	aio_syncfs = EIO_SYNCFS
705	PPCODE:	1218	PPCODE:
706	{	1219	{
707	int fd = extract_fd (fh, 0);	1220	int fd = s_fileno_croak (fh, 0);
708	dREQ;	1221	dREQ;
709		1222
710	req->type = ix;	1223	req->type = ix;
711	req->sv1 = newSVsv (fh);	1224	req->sv1 = newSVsv (fh);
712	req->int1 = fd;	1225	req->int1 = fd;
713		1226
714	REQ_SEND (req);	1227	REQ_SEND;
715	}	1228	}
716		1229
717	void	1230	void
718	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1231	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
719	PROTOTYPE: $$$$;$
720	PPCODE:	1232	PPCODE:
721	{	1233	{
722	int fd = extract_fd (fh, 0);	1234	int fd = s_fileno_croak (fh, 0);
723	dREQ;	1235	dREQ;
724		1236
725	req->type = EIO_SYNC_FILE_RANGE;	1237	req->type = EIO_SYNC_FILE_RANGE;
726	req->sv1 = newSVsv (fh);	1238	req->sv1 = newSVsv (fh);
727	req->int1 = fd;	1239	req->int1 = fd;
728	req->offs = offset;	1240	req->offs = offset;
729	req->size = nbytes;	1241	req->size = nbytes;
730	req->int2 = flags;	1242	req->int2 = flags;
731		1243
732	REQ_SEND (req);	1244	REQ_SEND;
733	}	1245	}
734		1246
735	void	1247	void
736	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1248	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
737	PROTOTYPE: $;$
738	PPCODE:	1249	PPCODE:
739	{	1250	{
740	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1251	int fd = s_fileno_croak (fh, 0);
741	int fd = extract_fd (fh, 0);
742	dREQ;	1252	dREQ;
743		1253
744	if (close_pipe < 0)	1254	req->type = EIO_FALLOCATE;
		1255	req->sv1 = newSVsv (fh);
		1256	req->int1 = fd;
		1257	req->int2 = mode;
		1258	req->offs = offset;
		1259	req->size = len;
		1260
		1261	REQ_SEND;
		1262	}
		1263
		1264	void
		1265	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1266	PPCODE:
		1267	{
		1268	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1269	int fd = s_fileno_croak (fh, 0);
		1270	dREQ;
		1271
		1272	if (expect_false (close_fd < 0))
745	{	1273	{
746	int pipefd [2];	1274	int pipefd [2];
747		1275
		1276	if (
		1277	#ifdef _WIN32
		1278	_pipe (pipefd, 1, _O_BINARY) < 0
		1279	#else
748	if (pipe (pipefd) < 0	1280	pipe (pipefd) < 0
749	|| close (pipefd [1]) < 0
750	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1281	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1282	#endif
		1283	|| close (pipefd [1]) < 0
		1284	)
751	abort (); /*D*/	1285	abort (); /*D*/
752		1286
753	close_pipe = pipefd [0];	1287	close_fd = pipefd [0];
754	}	1288	}
755		1289
756	req->type = EIO_DUP2;	1290	req->type = EIO_DUP2;
757	req->int1 = close_pipe;	1291	req->int1 = close_fd;
758	req->sv2 = newSVsv (fh);	1292	req->sv2 = newSVsv (fh);
759	req->int2 = fd;	1293	req->int2 = fd;
760		1294
761	REQ_SEND (req);	1295	REQ_SEND;
762	}	1296	}
763		1297
764	void	1298	void
		1299	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1300	PPCODE:
		1301	{
		1302	int fd = s_fileno_croak (fh, 0);
		1303	dREQ;
		1304
		1305	req->type = EIO_SEEK;
		1306	req->sv1 = newSVsv (fh);
		1307	req->int1 = fd;
		1308	req->offs = SvVAL64 (offset);
		1309	req->int2 = whence;
		1310
		1311	REQ_SEND;
		1312	}
		1313
		1314	void
765	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1315	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
766	ALIAS:	1316	ALIAS:
767	aio_read = EIO_READ	1317	aio_read = EIO_READ
768	aio_write = EIO_WRITE	1318	aio_write = EIO_WRITE
769	PROTOTYPE: $$$$$;$
770	PPCODE:	1319	PPCODE:
771	{	1320	{
772	STRLEN svlen;	1321	STRLEN svlen;
773	int fd = extract_fd (fh, ix == EIO_WRITE);	1322	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774	char *svptr = SvPVbyte (data, svlen);	1323	char *svptr = SvPVbyte (data, svlen);
775	UV len = SvUV (length);	1324	UV len = SvUV (length);
776		1325
777	if (dataoffset < 0)	1326	if (dataoffset < 0)
778	dataoffset += svlen;	1327	dataoffset += svlen;
…		…
787	len = svlen - dataoffset;	1336	len = svlen - dataoffset;
788	}	1337	}
789	else	1338	else
790	{	1339	{
791	/* read: check type and grow scalar as necessary */	1340	/* read: check type and grow scalar as necessary */
792	SvUPGRADE (data, SVt_PV);	1341	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
793	svptr = SvGROW (data, len + dataoffset + 1);	1342	svptr = sv_grow (data, len + dataoffset + 1);
		1343	else if (SvCUR (data) < len + dataoffset)
		1344	croak ("length + dataoffset outside of scalar, and cannot grow");
794	}	1345	}
795		1346
796	{	1347	{
797	dREQ;	1348	dREQ;
798		1349
…		…
814	REQ_SEND;	1365	REQ_SEND;
815	}	1366	}
816	}	1367	}
817		1368
818	void	1369	void
819	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1370	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
820	PROTOTYPE: $$;$	1371	ALIAS:
		1372	aio_ioctl = EIO_IOCTL
		1373	aio_fcntl = EIO_FCNTL
821	PPCODE:	1374	PPCODE:
822	{	1375	{
823	SV *data;	1376	int fd = s_fileno_croak (fh, 0);
		1377	char *svptr;
		1378
		1379	if (SvPOK (arg) || !SvNIOK (arg))
		1380	{
		1381	STRLEN svlen;
		1382	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1383	#ifdef IOCPARM_LEN
		1384	STRLEN need = IOCPARM_LEN (request);
		1385	#else
		1386	STRLEN need = 256;
		1387	#endif
		1388
		1389	if (svlen < need)
		1390	svptr = SvGROW (arg, need);
		1391	}
		1392	else
		1393	svptr = (char *)SvIV (arg);
		1394
		1395	{
		1396	dREQ;
		1397
		1398	req->type = ix;
		1399	req->sv1 = newSVsv (fh);
		1400	req->int1 = fd;
		1401	req->int2 = (long)request;
		1402	req->sv2 = SvREFCNT_inc (arg);
		1403	req->ptr2 = svptr;
		1404
		1405	REQ_SEND;
		1406	}
		1407	}
		1408
		1409	void
		1410	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1411	ALIAS:
		1412	aio_readlink = EIO_READLINK
		1413	aio_realpath = EIO_REALPATH
		1414	PPCODE:
		1415	{
824	dREQ;	1416	dREQ;
825		1417
826	req->type = EIO_READLINK;	1418	req->type = ix;
827	req->sv1 = newSVsv (path);	1419	req_set_path1 (req, pathname);
828	req->ptr1 = SvPVbyte_nolen (req->sv1);
829		1420
830	REQ_SEND;	1421	REQ_SEND;
831	}	1422	}
832		1423
833	void	1424	void
834	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1425	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
835	PROTOTYPE: $$$$;$
836	PPCODE:	1426	PPCODE:
837	{	1427	{
838	int ifd = extract_fd (in_fh , 0);	1428	int ifd = s_fileno_croak (in_fh , 0);
839	int ofd = extract_fd (out_fh, 0);	1429	int ofd = s_fileno_croak (out_fh, 1);
840	dREQ;	1430	dREQ;
841		1431
842	req->type = EIO_SENDFILE;	1432	req->type = EIO_SENDFILE;
843	req->sv1 = newSVsv (out_fh);	1433	req->sv1 = newSVsv (out_fh);
844	req->int1 = ofd;	1434	req->int1 = ofd;
…		…
849		1439
850	REQ_SEND;	1440	REQ_SEND;
851	}	1441	}
852		1442
853	void	1443	void
854	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1444	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
855	PROTOTYPE: $$$;$
856	PPCODE:	1445	PPCODE:
857	{	1446	{
858	int fd = extract_fd (fh, 0);	1447	int fd = s_fileno_croak (fh, 0);
859	dREQ;	1448	dREQ;
860		1449
861	req->type = EIO_READAHEAD;	1450	req->type = EIO_READAHEAD;
862	req->sv1 = newSVsv (fh);	1451	req->sv1 = newSVsv (fh);
863	req->int1 = fd;	1452	req->int1 = fd;
…		…
866		1455
867	REQ_SEND;	1456	REQ_SEND;
868	}	1457	}
869		1458
870	void	1459	void
871	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1460	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
872	ALIAS:	1461	ALIAS:
873	aio_stat = EIO_STAT	1462	aio_stat = EIO_STAT
874	aio_lstat = EIO_LSTAT	1463	aio_lstat = EIO_LSTAT
		1464	aio_statvfs = EIO_STATVFS
875	PPCODE:	1465	PPCODE:
876	{	1466	{
877	dREQ;	1467	dREQ;
878		1468
879	req->sv1 = newSVsv (fh_or_path);	1469	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
880
881	if (SvPOK (req->sv1))
882	{
883	req->type = ix;
884	req->ptr1 = SvPVbyte_nolen (req->sv1);
885	}
886	else
887	{
888	req->type = EIO_FSTAT;
889	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890	}
891		1470
892	REQ_SEND;	1471	REQ_SEND;
893	}	1472	}
894		1473
		1474	UV
		1475	major (UV dev)
		1476	ALIAS:
		1477	minor = 1
		1478	CODE:
		1479	RETVAL = ix ? minor (dev) : major (dev);
		1480	OUTPUT:
		1481	RETVAL
		1482
		1483	UV
		1484	makedev (UV maj, UV min)
		1485	CODE:
		1486	RETVAL = makedev (maj, min);
		1487	OUTPUT:
		1488	RETVAL
		1489
895	void	1490	void
896	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1491	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
897	PPCODE:	1492	PPCODE:
898	{	1493	{
899	dREQ;	1494	dREQ;
900		1495
901	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1496	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
902	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1497	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
903	req->sv1 = newSVsv (fh_or_path);	1498	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
904
905	if (SvPOK (req->sv1))
906	{
907	req->type = EIO_UTIME;
908	req->ptr1 = SvPVbyte_nolen (req->sv1);
909	}
910	else
911	{
912	req->type = EIO_FUTIME;
913	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
914	}
915		1499
916	REQ_SEND;	1500	REQ_SEND;
917	}	1501	}
918		1502
919	void	1503	void
920	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1504	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
921	PPCODE:	1505	PPCODE:
922	{	1506	{
923	dREQ;	1507	dREQ;
924		1508
925	req->sv1 = newSVsv (fh_or_path);
926	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1509	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
927		1510	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
928	if (SvPOK (req->sv1))
929	{
930	req->type = EIO_TRUNCATE;
931	req->ptr1 = SvPVbyte_nolen (req->sv1);
932	}
933	else
934	{
935	req->type = EIO_FTRUNCATE;
936	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
937	}
938		1511
939	REQ_SEND;	1512	REQ_SEND;
940	}	1513	}
941		1514
942	void	1515	void
943	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1516	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
944	ALIAS:
945	aio_chmod = EIO_CHMOD
946	aio_mkdir = EIO_MKDIR
947	PPCODE:	1517	PPCODE:
948	{	1518	{
949	dREQ;	1519	dREQ;
950		1520
951	req->int2 = mode;	1521	req->int2 = mode;
952	req->sv1 = newSVsv (fh_or_path);	1522	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
953
954	if (SvPOK (req->sv1))
955	{
956	req->type = ix;
957	req->ptr1 = SvPVbyte_nolen (req->sv1);
958	}
959	else
960	{
961	req->type = EIO_FCHMOD;
962	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
963	}
964		1523
965	REQ_SEND;	1524	REQ_SEND;
966	}	1525	}
967		1526
968	void	1527	void
969	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1528	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
970	PPCODE:	1529	PPCODE:
971	{	1530	{
972	dREQ;	1531	dREQ;
973		1532
974	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1533	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
975	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1534	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
976	req->sv1 = newSVsv (fh_or_path);	1535	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
977
978	if (SvPOK (req->sv1))
979	{
980	req->type = EIO_CHOWN;
981	req->ptr1 = SvPVbyte_nolen (req->sv1);
982	}
983	else
984	{
985	req->type = EIO_FCHOWN;
986	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
987	}
988		1536
989	REQ_SEND;	1537	REQ_SEND;
990	}	1538	}
991		1539
992	void	1540	void
993	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1541	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
994	PPCODE:	1542	PPCODE:
995	{	1543	{
996	dREQ;	1544	dREQ;
997		1545
998	req->type = EIO_READDIR;	1546	req->type = EIO_READDIR;
999	req->sv1 = newSVsv (pathname);
1000	req->ptr1 = SvPVbyte_nolen (req->sv1);
1001	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1547	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1002		1548
1003	if (flags & EIO_READDIR_DENTS)	1549	if (flags & EIO_READDIR_DENTS)
1004	req->int1 |= EIO_READDIR_CUSTOM2;	1550	req->int1 |= EIO_READDIR_CUSTOM2;
1005		1551
		1552	req_set_path1 (req, pathname);
		1553
1006	REQ_SEND;	1554	REQ_SEND;
1007	}	1555	}
1008		1556
1009	void	1557	void
		1558	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1559	PPCODE:
		1560	{
		1561	dREQ;
		1562
		1563	req->type = EIO_MKDIR;
		1564	req->int2 = mode;
		1565	req_set_path1 (req, pathname);
		1566
		1567	REQ_SEND;
		1568	}
		1569
		1570	void
1010	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1571	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1011	ALIAS:	1572	ALIAS:
1012	aio_unlink = EIO_UNLINK	1573	aio_unlink = EIO_UNLINK
1013	aio_rmdir = EIO_RMDIR	1574	aio_rmdir = EIO_RMDIR
1014	aio_readdir = EIO_READDIR	1575	aio_readdir = EIO_READDIR
1015	PPCODE:	1576	PPCODE:
1016	{	1577	{
1017	dREQ;	1578	dREQ;
1018		1579
1019	req->type = ix;	1580	req->type = ix;
1020	req->sv1 = newSVsv (pathname);	1581	req_set_path1 (req, pathname);
1021	req->ptr1 = SvPVbyte_nolen (req->sv1);
1022		1582
1023	REQ_SEND;	1583	REQ_SEND;
1024	}	1584	}
1025		1585
1026	void	1586	void
1027	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1587	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1028	ALIAS:	1588	ALIAS:
1029	aio_link = EIO_LINK	1589	aio_link = EIO_LINK
1030	aio_symlink = EIO_SYMLINK	1590	aio_symlink = EIO_SYMLINK
1031	aio_rename = EIO_RENAME	1591	aio_rename = EIO_RENAME
1032	PPCODE:	1592	PPCODE:
1033	{	1593	{
		1594	eio_wd wd2 = 0;
1034	dREQ;	1595	dREQ;
1035		1596
1036	req->type = ix;	1597	req->type = ix;
1037	req->sv1 = newSVsv (oldpath);	1598	req_set_path1 (req, oldpath);
1038	req->ptr1 = SvPVbyte_nolen (req->sv1);	1599	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1039	req->sv2 = newSVsv (newpath);	1600	req->int3 = (long)wd2;
1040	req->ptr2 = SvPVbyte_nolen (req->sv2);
1041		1601
1042	REQ_SEND;	1602	REQ_SEND;
1043	}	1603	}
1044		1604
1045	void	1605	void
		1606	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1607	PPCODE:
		1608	{
		1609	eio_wd wd2 = 0;
		1610	dREQ;
		1611
		1612	req->type = EIO_RENAME;
		1613	req_set_path1 (req, oldpath);
		1614	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1615	req->int2 = flags;
		1616	req->int3 = (long)wd2;
		1617
		1618	REQ_SEND;
		1619	}
		1620
		1621	void
1046	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1622	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1047	PPCODE:	1623	PPCODE:
1048	{	1624	{
1049	dREQ;	1625	dREQ;
1050		1626
1051	req->type = EIO_MKNOD;	1627	req->type = EIO_MKNOD;
1052	req->sv1 = newSVsv (pathname);
1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
1054	req->int2 = (mode_t)mode;	1628	req->int2 = (mode_t)mode;
1055	req->offs = dev;	1629	req->offs = dev;
		1630	req_set_path1 (req, pathname);
1056		1631
1057	REQ_SEND;	1632	REQ_SEND;
1058	}	1633	}
1059		1634
1060	void	1635	void
		1636	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
		1637	ALIAS:
		1638	aio_mtouch = EIO_MTOUCH
		1639	aio_msync = EIO_MSYNC
		1640	PPCODE:
		1641	{
		1642	STRLEN svlen;
		1643	char *svptr = SvPVbyte (data, svlen);
		1644	UV len = SvUV (length);
		1645
		1646	if (flags < 0)
		1647	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
		1648
		1649	if (offset < 0)
		1650	offset += svlen;
		1651
		1652	if (offset < 0 || offset > svlen)
		1653	croak ("offset outside of scalar");
		1654
		1655	if (!SvOK (length) || len + offset > svlen)
		1656	len = svlen - offset;
		1657
		1658	{
		1659	dREQ;
		1660
		1661	req->type = ix;
		1662	req->sv2 = SvREFCNT_inc (data);
		1663	req->ptr2 = (char *)svptr + offset;
		1664	req->size = len;
		1665	req->int1 = flags;
		1666
		1667	REQ_SEND;
		1668	}
		1669	}
		1670
		1671	void
		1672	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1673	PPCODE:
		1674	{
		1675	STRLEN svlen;
		1676	char *svptr = SvPVbyte (data, svlen);
		1677	UV len = SvUV (length);
		1678
		1679	if (offset < 0)
		1680	offset += svlen;
		1681
		1682	if (offset < 0 || offset > svlen)
		1683	croak ("offset outside of scalar");
		1684
		1685	if (!SvOK (length) || len + offset > svlen)
		1686	len = svlen - offset;
		1687
		1688	{
		1689	dREQ;
		1690
		1691	req->type = EIO_MLOCK;
		1692	req->sv2 = SvREFCNT_inc (data);
		1693	req->ptr2 = (char *)svptr + offset;
		1694	req->size = len;
		1695
		1696	REQ_SEND;
		1697	}
		1698	}
		1699
		1700	void
		1701	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1702	PPCODE:
		1703	{
		1704	dREQ;
		1705
		1706	req->type = EIO_MLOCKALL;
		1707	req->int1 = flags;
		1708
		1709	REQ_SEND;
		1710	}
		1711
		1712	void
		1713	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1714	PPCODE:
		1715	{
		1716	int fd = s_fileno_croak (fh, 0);
		1717	dREQ;
		1718
		1719	req->type = EIO_CUSTOM;
		1720	req->sv1 = newSVsv (fh);
		1721	req->int1 = fd;
		1722
		1723	req->feed = fiemap;
		1724	#if HAVE_FIEMAP
		1725	/* keep our fingers crossed that the next two types are 64 bit */
		1726	req->offs = start;
		1727	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1728	req->int2 = flags;
		1729	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1730	#endif
		1731
		1732	REQ_SEND;
		1733	}
		1734
		1735	void
1061	aio_busy (double delay, SV *callback=&PL_sv_undef)	1736	aio_busy (double delay, SV *callback = &PL_sv_undef)
1062	PPCODE:	1737	PPCODE:
1063	{	1738	{
1064	dREQ;	1739	dREQ;
1065		1740
1066	req->type = EIO_BUSY;	1741	req->type = EIO_BUSY;
…		…
1068		1743
1069	REQ_SEND;	1744	REQ_SEND;
1070	}	1745	}
1071		1746
1072	void	1747	void
1073	aio_group (SV *callback=&PL_sv_undef)	1748	aio_group (SV *callback = &PL_sv_undef)
1074	PROTOTYPE: ;$
1075	PPCODE:	1749	PPCODE:
1076	{	1750	{
1077	dREQ;	1751	dREQ;
1078		1752
1079	req->type = EIO_GROUP;	1753	req->type = EIO_GROUP;
1080		1754
		1755	PUTBACK;
1081	req_submit (req);	1756	req_submit (req);
		1757	SPAGAIN;
		1758
1082	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1759	XPUSHs (req_sv (req, aio_grp_stash));
1083	}	1760	}
1084		1761
1085	void	1762	void
1086	aio_nop (SV *callback=&PL_sv_undef)	1763	aio_nop (SV *callback = &PL_sv_undef)
1087	ALIAS:	1764	ALIAS:
1088	aio_nop = EIO_NOP	1765	aio_nop = EIO_NOP
1089	aio_sync = EIO_SYNC	1766	aio_sync = EIO_SYNC
1090	PPCODE:	1767	PPCODE:
1091	{	1768	{
…		…
1095		1772
1096	REQ_SEND;	1773	REQ_SEND;
1097	}	1774	}
1098		1775
1099	int	1776	int
1100	aioreq_pri (int pri = 0)	1777	aioreq_pri (int pri = NO_INIT)
1101	PROTOTYPE: ;$
1102	CODE:	1778	CODE:
1103	RETVAL = next_pri;	1779	RETVAL = next_pri;
1104	if (items > 0)	1780	if (items > 0)
1105	{	1781	{
1106	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1782	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1118	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1794	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119	next_pri = nice;	1795	next_pri = nice;
1120		1796
1121	void	1797	void
1122	flush ()	1798	flush ()
1123	PROTOTYPE:
1124	CODE:	1799	CODE:
1125	while (eio_nreqs ())	1800	while (eio_nreqs ())
1126	{	1801	{
1127	poll_wait ();	1802	poll_wait ();
1128	poll_cb ();	1803	poll_cb ();
1129	}	1804	}
1130		1805
1131	int	1806	int
1132	poll()	1807	poll ()
1133	PROTOTYPE:
1134	CODE:	1808	CODE:
1135	poll_wait ();	1809	poll_wait ();
1136	RETVAL = poll_cb ();	1810	RETVAL = poll_cb ();
1137	OUTPUT:	1811	OUTPUT:
1138	RETVAL	1812	RETVAL
1139		1813
1140	int	1814	int
1141	poll_fileno()	1815	poll_fileno ()
1142	PROTOTYPE:
1143	CODE:	1816	CODE:
1144	RETVAL = respipe [0];	1817	RETVAL = s_epipe_fd (&respipe);
1145	OUTPUT:	1818	OUTPUT:
1146	RETVAL	1819	RETVAL
1147		1820
1148	int	1821	int
1149	poll_cb(...)	1822	poll_cb (...)
1150	PROTOTYPE:	1823	PROTOTYPE:
1151	CODE:	1824	CODE:
1152	RETVAL = poll_cb ();	1825	RETVAL = poll_cb ();
1153	OUTPUT:	1826	OUTPUT:
1154	RETVAL	1827	RETVAL
1155		1828
1156	void	1829	void
1157	poll_wait()	1830	poll_wait ()
1158	PROTOTYPE:
1159	CODE:	1831	CODE:
1160	poll_wait ();	1832	poll_wait ();
1161		1833
1162	int	1834	int
1163	nreqs()	1835	nreqs ()
1164	PROTOTYPE:
1165	CODE:	1836	CODE:
1166	RETVAL = eio_nreqs ();	1837	RETVAL = eio_nreqs ();
1167	OUTPUT:	1838	OUTPUT:
1168	RETVAL	1839	RETVAL
1169		1840
1170	int	1841	int
1171	nready()	1842	nready ()
1172	PROTOTYPE:
1173	CODE:	1843	CODE:
1174	RETVAL = eio_nready ();	1844	RETVAL = eio_nready ();
1175	OUTPUT:	1845	OUTPUT:
1176	RETVAL	1846	RETVAL
1177		1847
1178	int	1848	int
1179	npending()	1849	npending ()
1180	PROTOTYPE:
1181	CODE:	1850	CODE:
1182	RETVAL = eio_npending ();	1851	RETVAL = eio_npending ();
1183	OUTPUT:	1852	OUTPUT:
1184	RETVAL	1853	RETVAL
1185		1854
1186	int	1855	int
1187	nthreads()	1856	nthreads ()
1188	PROTOTYPE:
1189	CODE:	1857	CODE:
1190	RETVAL = eio_nthreads ();	1858	RETVAL = eio_nthreads ();
1191	OUTPUT:	1859	OUTPUT:
1192	RETVAL	1860	RETVAL
1193		1861
1194	int	1862	int
1195	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1863	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196	PROTOTYPE: $$$$
1197	CODE:	1864	CODE:
1198	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1199	RETVAL = posix_fadvise (fh, offset, length, advice);	1865	RETVAL = posix_fadvise (fh, offset, length, advice);
1200	#else
1201	RETVAL = errno = ENOSYS;
1202	#endif
1203	OUTPUT:	1866	OUTPUT:
1204	RETVAL	1867	RETVAL
1205		1868
1206	ssize_t	1869	IV
1207	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1870	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1208	PROTOTYPE: $$$$
1209	CODE:	1871	CODE:
1210	eio_sendfile_sync (ofh, ifh, offset, count);	1872	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1873	OUTPUT:
		1874	RETVAL
		1875
		1876	void
		1877	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
		1878	PPCODE:
		1879	sv_unmagic (scalar, MMAP_MAGIC);
		1880	{
		1881	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1882	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1883	if (addr == (void *)-1)
		1884	XSRETURN_NO;
		1885
		1886	sv_force_normal (scalar);
		1887
		1888	/* we store the length in mg_obj, as namlen is I32 :/ */
		1889	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1890	->mg_obj = (SV *)length;
		1891
		1892	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1893
		1894	if (!(prot & PROT_WRITE))
		1895	SvREADONLY_on (scalar);
		1896
		1897	if (SvLEN (scalar))
		1898	Safefree (SvPVX (scalar));
		1899
		1900	SvPVX (scalar) = (char *)addr;
		1901	SvCUR_set (scalar, length);
		1902	SvLEN_set (scalar, 0);
		1903	SvPOK_only (scalar);
		1904
		1905	XSRETURN_YES;
		1906	}
		1907
		1908	void
		1909	munmap (SV *scalar)
		1910	CODE:
		1911	sv_unmagic (scalar, MMAP_MAGIC);
		1912
		1913	int
		1914	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1915	ALIAS:
		1916	mprotect = 1
		1917	CODE:
		1918	{
		1919	STRLEN svlen;
		1920	void *addr = SvPVbyte (scalar, svlen);
		1921	STRLEN 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
		1935	switch (ix)
		1936	{
		1937	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1938	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1939	}
		1940	}
		1941	OUTPUT:
		1942	RETVAL
		1943
		1944	int
		1945	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1946	CODE:
		1947	{
		1948	STRLEN svlen;
		1949	void *addr = SvPVbyte (scalar, svlen);
		1950	size_t len = SvUV (length);
		1951
		1952	if (offset < 0)
		1953	offset += svlen;
		1954
		1955	if (offset < 0 || offset > svlen)
		1956	croak ("offset outside of scalar");
		1957
		1958	if (!SvOK (length) || len + offset > svlen)
		1959	len = svlen - offset;
		1960
		1961	addr = (void *)(((intptr_t)addr) + offset);
		1962	eio_page_align (&addr, &len);
		1963	#if _POSIX_MEMLOCK_RANGE
		1964	RETVAL = munlock (addr, len);
		1965	#else
		1966	RETVAL = EIO_ENOSYS ();
		1967	#endif
		1968	}
		1969	OUTPUT:
		1970	RETVAL
		1971
		1972	int
		1973	munlockall ()
		1974	CODE:
		1975	#if _POSIX_MEMLOCK
		1976	munlockall ();
		1977	#else
		1978	RETVAL = EIO_ENOSYS ();
		1979	#endif
		1980	OUTPUT:
		1981	RETVAL
		1982
		1983	int
		1984	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1985	CODE:
		1986	{
		1987	#if HAVE_LINUX_SPLICE
		1988	loff_t off_in_, off_out_;
		1989	RETVAL = splice (
		1990	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1991	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1992	length, flags
		1993	);
		1994	#else
		1995	RETVAL = EIO_ENOSYS ();
		1996	#endif
		1997	}
		1998	OUTPUT:
		1999	RETVAL
		2000
		2001	int
		2002	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2003	CODE:
		2004	#if HAVE_LINUX_SPLICE
		2005	RETVAL = tee (rfh, wfh, length, flags);
		2006	#else
		2007	RETVAL = EIO_ENOSYS ();
		2008	#endif
		2009	OUTPUT:
		2010	RETVAL
		2011
		2012	int
		2013	pipesize (aio_rfd rfh, int new_size = -1)
		2014	PROTOTYPE: $;$
		2015	CODE:
		2016	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2017	if (new_size >= 0)
		2018	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2019	else
		2020	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2021	#else
		2022	errno = ENOSYS;
		2023	RETVAL = -1;
		2024	#endif
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	void
		2029	pipe2 (int flags = 0)
		2030	PROTOTYPE: ;$
		2031	PPCODE:
		2032	{
		2033	int fd[2];
		2034	int res;
		2035
		2036	if (flags)
		2037	#if HAVE_PIPE2
		2038	res = pipe2 (fd, flags);
		2039	#else
		2040	res = (errno = ENOSYS, -1);
		2041	#endif
		2042	else
		2043	res = pipe (fd);
		2044
		2045	if (!res)
		2046	{
		2047	EXTEND (SP, 2);
		2048	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2049	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2050	}
		2051	}
1211		2052
1212	void _on_next_submit (SV *cb)	2053	void _on_next_submit (SV *cb)
1213	CODE:	2054	CODE:
1214	SvREFCNT_dec (on_next_submit);	2055	SvREFCNT_dec (on_next_submit);
1215	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2056	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1216		2057
1217	PROTOTYPES: DISABLE	2058	PROTOTYPES: DISABLE
1218		2059
		2060	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2061
		2062	BOOT:
		2063	{
		2064	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2065	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2066	}
		2067
		2068	void
		2069	DESTROY (SV *self)
		2070	CODE:
		2071	{
		2072	aio_wd wd = SvAIO_WD (self);
		2073	#if HAVE_AT
		2074	{
		2075	SV *callback = &PL_sv_undef;
		2076	dREQ; /* clobbers next_pri :/ */
		2077	next_pri = req->pri; /* restore next_pri */
		2078	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2079	req->type = EIO_WD_CLOSE;
		2080	req->wd = wd;
		2081	REQ_SEND;
		2082	}
		2083	#else
		2084	eio_wd_close_sync (wd);
		2085	#endif
		2086	}
		2087
1219	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2088	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1220		2089
1221	void	2090	void
1222	cancel (aio_req_ornot req)	2091	cancel (aio_req_ornot req)
1223	CODE:	2092	CODE:
1224	eio_cancel (req);	2093	eio_cancel (req);
1225		2094
1226	void	2095	void
1227	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2096	cb (aio_req_ornot req, SV *callback = NO_INIT)
1228	PPCODE:	2097	PPCODE:
1229	{	2098	{
1230	if (GIMME_V != G_VOID)	2099	if (GIMME_V != G_VOID)
1231	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2100	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1232		2101
…		…
1297	limit (aio_req grp, int limit)	2166	limit (aio_req grp, int limit)
1298	CODE:	2167	CODE:
1299	eio_grp_limit (grp, limit);	2168	eio_grp_limit (grp, limit);
1300		2169
1301	void	2170	void
1302	feed (aio_req grp, SV *callback=&PL_sv_undef)	2171	feed (aio_req grp, SV *callback = &PL_sv_undef)
1303	CODE:	2172	CODE:
1304	{	2173	{
1305	SvREFCNT_dec (grp->sv2);	2174	SvREFCNT_dec (grp->sv2);
1306	grp->sv2 = newSVsv (callback);	2175	grp->sv2 = newSVsv (callback);
1307	grp->feed = aio_grp_feed;	2176	grp->feed = aio_grp_feed;

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