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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.167 by root, Sun May 9 20:49:52 2010 UTC vs.
Revision 1.244 by root, Tue May 30 22:45:52 2017 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
		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
23	#endif	36	#endif
24		37
25	/* perl namespace pollution */	38	/* perl namespace pollution */
26	#undef VERSION	39	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		40
77	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	43	#undef readdir
80	#undef opendir	44	#undef opendir
81	#undef closedir	45	#undef closedir
82		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
83	#define EIO_STRUCT_STAT Stat_t	82	#define EIO_STRUCT_STATI64
84		83
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	84	#else
91	# define VAL64 NV	85
92	# define SvVAL64 SvNV	86	#include <sys/time.h>
93	# 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
94	#endif	94	#endif
95		95
96	/*****************************************************************************/	96	/*****************************************************************************/
97		97
98	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
108		108
109	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 */	110	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
112		112
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		114
115	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
116	SV *callback; \	116	SV *callback; \
117	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
118	STRLEN stroffset; \	119	STRLEN stroffset; \
119	SV *self;	120	SV *self;
120		121
121	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
122		123
		124	#include "libeio/config.h"
123	#include "libeio/eio.h"	125	#include "libeio/eio.h"
124		126
125	#ifndef POSIX_FADV_NORMAL	127	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	128	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	129	static void req_destroy (eio_req *grp);
128	#endif	130	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		131
145	#ifndef ST_NODEV	132	#include "libeio/eio.c"
146	# define ST_NODEV 0
147	#endif
148	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0
150	#endif
151	#ifndef ST_SYNCHRONOUS
152	# define ST_SYNCHRONOUS 0
153	#endif
154	#ifndef ST_MANDLOCK
155	# define ST_MANDLOCK 0
156	#endif
157	#ifndef ST_WRITE
158	# define ST_WRITE 0
159	#endif
160	#ifndef ST_APPEND
161	# define ST_APPEND 0
162	#endif
163	#ifndef ST_IMMUTABLE
164	# define ST_IMMUTABLE 0
165	#endif
166	#ifndef ST_NOATIME
167	# define ST_NOATIME 0
168	#endif
169	#ifndef ST_NODIRATIME
170	# define ST_NODIRATIME 0
171	#endif
172	#ifndef ST_RELATIME
173	# define ST_RELATIME 0
174	#endif
175		133
176	#ifndef MCL_CURRENT	134	#if !HAVE_POSIX_FADVISE
177	# define MCL_CURRENT 0	135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178	#endif	136	#endif
179	#ifndef MCL_FUTURE	137
180	# define MCL_FUTURE 0	138	#if !HAVE_POSIX_MADVISE
		139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181	#endif	140	#endif
182		141
183	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	143	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
186	# else	145	# else
187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188	# endif	147	# endif
189	#endif	148	#endif
190	#ifndef MAP_HUGETLB
191	# define MAP_HUGETLB 0
192	#endif
193	#ifndef MAP_LOCKED
194	# define MAP_LOCKED 0
195	#endif
196	#ifndef MAP_NORESERVE
197	# define MAP_NORESERVE 0
198	#endif
199	#ifndef MAP_POPULATE
200	# define MAP_POPULATE 0
201	#endif
202	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0
204	#endif
205		149
206	#ifndef PAGESIZE	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
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	166	#endif
209		167
210	static int req_invoke (eio_req *req);	168	/*****************************************************************************/
211	#define EIO_FINISH(req) req_invoke (req)	169
212	static void req_destroy (eio_req *grp);	170	static void
213	#define EIO_DESTROY(req) req_destroy (req)	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	/*****************************************************************************/
214		267
215	enum {	268	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	270	};
218		271
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
223		275
224	static SV *on_next_submit;	276	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	278	static int max_outstanding;
227		279
228	static s_epipe respipe;	280	static s_epipe respipe;
229		281
230	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
232		284
233	static void want_poll (void)	285	static void
		286	want_poll (void)
234	{	287	{
235	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
237	}	290	}
238		291
239	static void done_poll (void)	292	static void
		293	done_poll (void)
240	{	294	{
241	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
243	}	297	}
244		298
245	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
246	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
247	{	302	{
248	if (!req->self)	303	if (!req->self)
249	{	304	{
250	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	307	}
253		308
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	310	}
256		311
257	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)
258	{	320	{
259	MAGIC *mg;	321	MAGIC *mg;
260		322
261	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
263	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
264	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
265	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
266		329
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		331
269	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	333	}
271		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
272	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
273	{	373	{
274	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
275	{	375	{
276	dSP;	376	dSP;
277		377
…		…
285	FREETMPS;	385	FREETMPS;
286	LEAVE;	386	LEAVE;
287	}	387	}
288	}	388	}
289		389
		390	static void
290	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
291	{	392	{
292	eio_submit (req);	393	eio_submit (req);
293		394
294	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
295	{	396	{
…		…
302	PUTBACK;	403	PUTBACK;
303	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
304	}	405	}
305	}	406	}
306		407
		408	static int
307	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
308	{	410	{
309	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
310	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
311		413
312	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
323	/* do not recreate the result IV from scratch each time */	425	/* do not recreate the result IV from scratch each time */
324	if (expect_true (sv_result_cache))	426	if (expect_true (sv_result_cache))
325	{	427	{
326	sv_result = sv_result_cache; sv_result_cache = 0;	428	sv_result = sv_result_cache; sv_result_cache = 0;
327	SvIV_set (sv_result, req->result);	429	SvIV_set (sv_result, req->result);
		430	SvIOK_only (sv_result);
328	}	431	}
329	else	432	else
330	{	433	{
331	sv_result = newSViv (req->result);	434	sv_result = newSViv (req->result);
332	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
333	}	436	}
334		437
335	switch (req->type)	438	switch (req->type)
336	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
337	case EIO_READDIR:	444	case EIO_READDIR:
338	{	445	{
339	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
340		447
341	if (req->result >= 0)	448	if (req->result >= 0)
…		…
394	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))));
395	}	502	}
396	break;	503	break;
397		504
398	case EIO_OPEN:	505	case EIO_OPEN:
399	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
400	/* convert fd to fh */
401	SV *fh = &PL_sv_undef;
402
403	if (req->result >= 0)
404	{
405	GV *gv = (GV *)sv_newmortal ();
406	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
407	char sym [64];
408	int symlen;
409
410	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
411	gv_init (gv, aio_stash, sym, symlen, 0);
412
413	symlen = snprintf (
414	sym,
415	sizeof (sym),
416	"%s&=%d",
417	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
418	(int)req->result
419	);
420
421	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
422	fh = (SV *)gv;
423	}
424
425	PUSHs (fh);
426	}
427	break;	507	break;
428		508
429	case EIO_STATVFS:	509	case EIO_STATVFS:
430	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
431	{	511	{
432	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
433		513
		514	#ifndef _WIN32
434	if (req->result >= 0)	515	if (req->result >= 0)
435	{	516	{
436	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
438		524
439	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
440		526
441	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
442	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
444	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
445	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
446	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
447	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
448	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452	}	538	}
		539	#endif
453		540
454	PUSHs (rv);	541	PUSHs (rv);
455	}	542	}
456		543
457	break;	544	break;
…		…
473	case EIO_NOP:	560	case EIO_NOP:
474	case EIO_BUSY:	561	case EIO_BUSY:
475	break;	562	break;
476		563
477	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
478	if (req->result > 0)	566	if (req->result > 0)
479	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480	break;	568	break;
481		569
482	case EIO_STAT:	570	case EIO_STAT:
483	case EIO_LSTAT:	571	case EIO_LSTAT:
484	case EIO_FSTAT:	572	case EIO_FSTAT:
485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
486	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
487	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
488	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
489	break;	584	break;
490		585
491	case EIO_READ:	586	case EIO_READ:
492	{	587	{
493	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));
…		…
496	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
497	PUSHs (sv_result);	592	PUSHs (sv_result);
498	}	593	}
499	break;	594	break;
500		595
		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
501	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502	if (req->result > 0)	637	if (req->result > 0)
503	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
504	/* FALLTHROUGH */	639	/* FALLTHROUGH */
505		640
506	default:	641	default:
…		…
526	}	661	}
527		662
528	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
529	}	664	}
530		665
		666	static void
531	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
532	{	668	{
533	if (req->self)	669	if (req->self)
534	{	670	{
535	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
536	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
537	}	673	}
538		674
539	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
540	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
541	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
542		680
543	Safefree (req);	681	free (req);
544	}	682	}
545		683
		684	static void
546	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
547	{	686	{
548	aio_req sub;
549
550	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
551	return;	688	return;
552		689
553	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
554	grp->sv2 = 0;	691	grp->sv2 = 0;
555		692
556	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
557	}	694	}
558		695
559	static void	696	static void ecb_cold
560	create_respipe (void)	697	create_respipe (void)
561	{	698	{
562	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
563	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
564	}	701	}
565		702
566	static void poll_wait (void)	703	static void
		704	poll_wait (void)
567	{	705	{
568	while (eio_nreqs ())	706	while (eio_nreqs ())
569	{	707	{
570	int size;	708	int size;
571		709
572	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
573	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
574	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
575		713
576	if (size)	714	if (size)
577	return;	715	return;
578		716
579	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
580		718
581	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
582	}	720	}
583	}	721	}
584		722
585	static int poll_cb (void)	723	static int
		724	poll_cb (void)
586	{	725	{
587	for (;;)	726	for (;;)
588	{	727	{
589	int res = eio_poll ();	728	int res = eio_poll ();
590		729
…		…
596		735
597	poll_wait ();	736	poll_wait ();
598	}	737	}
599	}	738	}
600		739
601	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
602	{	742	{
603	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
604	}	747	}
605		748
606	/*****************************************************************************/	749	/*****************************************************************************/
607		750
608	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
610	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
611	#endif	758	#endif
612		759
613	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
614		761
615	static int	762	static int ecb_cold
616	mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
617	{	764	{
618	int old_errno = errno;	765	int old_errno = errno;
619	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620	errno = old_errno;	767	errno = old_errno;
621		768
622	mg->mg_obj = 0; /* just in case */	769	mg->mg_obj = 0; /* just in case */
623		770
624	SvREADONLY_off (sv);	771	SvREADONLY_off (sv);
		772
		773	if (SvPVX (sv) != mg->mg_ptr)
		774	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		775
625	SvCUR_set (sv, 0);	776	SvCUR_set (sv, 0);
626	SvLEN_set (sv, 0);
627	SvPVX (sv) = 0;	777	SvPVX (sv) = 0;
628	SvOK_off (sv);	778	SvOK_off (sv);
629		779
630	return 0;	780	return 0;
631	}	781	}
…		…
641	{	791	{
642	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
643	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644	}	794	}
645		795
		796	static aio_req ecb_noinline
		797	dreq (SV *callback)
		798	{
		799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
		803
		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
		813	return req;
		814	}
		815
646	#define dREQ \	816	#define dREQ \
647	SV *cb_cv; \	817	aio_req req = dreq (callback); \
648	aio_req req; \
649	int req_pri = next_pri; \
650	next_pri = EIO_PRI_DEFAULT; \
651	\
652	cb_cv = get_cb (callback); \
653	\
654	Newz (0, req, 1, eio_req); \
655	if (!req) \
656	croak ("out of memory during eio_req allocation"); \
657	\
658	req->callback = SvREFCNT_inc (cb_cv); \
659	req->pri = req_pri
660		818
661	#define REQ_SEND \	819	#define REQ_SEND \
662	PUTBACK; \	820	PUTBACK; \
663	req_submit (req); \	821	req_submit (req); \
664	SPAGAIN; \	822	SPAGAIN; \
665	\	823	\
666	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
667	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
668		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
669	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
670		894
671	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
672		896
673	BOOT:	897	BOOT:
…		…
677	IV iv;	901	IV iv;
678	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
679	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
680	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
681	# define const_eio(name) { # name, (IV) EIO_ ## 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)
682	const_iv (EXDEV)	910	const_iv (EXDEV)
683	const_iv (ENOSYS)	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 */
684	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
685	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
686	const_iv (O_RDWR)	934	const_iv (O_RDWR)
687	const_iv (O_CREAT)	935	const_iv (O_CREAT)
688	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
689	const_iv (O_EXCL)	937	const_iv (O_EXCL)
690	const_iv (O_APPEND)	938	const_iv (O_APPEND)
691	#ifndef _WIN32	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
692	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
693	#endif	959	const_iv (S_IFCHR)
694	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	960	const_iv (S_IFBLK)
695	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	961	const_iv (S_IFLNK)
696	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	962	const_iv (S_IFREG)
697	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	963	const_iv (S_IFDIR)
698	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	964	const_iv (S_IFWHT)
699	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	965	const_iv (S_IFSOCK)
		966	const_iv (S_IFMT)
700		967
701	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
702	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
703	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
704	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
709	const_iv (ST_IMMUTABLE)	976	const_iv (ST_IMMUTABLE)
710	const_iv (ST_NOATIME)	977	const_iv (ST_NOATIME)
711	const_iv (ST_NODIRATIME)	978	const_iv (ST_NODIRATIME)
712	const_iv (ST_RELATIME)	979	const_iv (ST_RELATIME)
713		980
		981	const_iv (PROT_NONE)
714	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
715	const_iv (PROT_NONE)
716	const_iv (PROT_READ)	983	const_iv (PROT_READ)
717	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
718		985
719	/*const_iv (MAP_FIXED)*/
720	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
721	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
722	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
723		990
724	/* linuxish */	991	/* linuxish */
725	const_iv (MAP_HUGETLB)
726	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
727	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
728	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
729	const_iv (MAP_NONBLOCK)	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)
730		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
731	const_iv (MCL_FUTURE)	1083	const_eio (MCL_FUTURE)
732	const_iv (MCL_CURRENT)	1084	const_eio (MCL_CURRENT)
733		1085
734	const_eio (MS_ASYNC)	1086	const_eio (MS_ASYNC)
735	const_eio (MS_INVALIDATE)	1087	const_eio (MS_INVALIDATE)
736	const_eio (MS_SYNC)	1088	const_eio (MS_SYNC)
737		1089
738	const_eio (MT_MODIFY)	1090	const_eio (MT_MODIFY)
739		1091
740	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1092	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741	const_eio (SYNC_FILE_RANGE_WRITE)	1093	const_eio (SYNC_FILE_RANGE_WRITE)
742	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	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)
743		1100
744	const_eio (READDIR_DENTS)	1101	const_eio (READDIR_DENTS)
745	const_eio (READDIR_DIRS_FIRST)	1102	const_eio (READDIR_DIRS_FIRST)
746	const_eio (READDIR_STAT_ORDER)	1103	const_eio (READDIR_STAT_ORDER)
747	const_eio (READDIR_FOUND_UNKNOWN)	1104	const_eio (READDIR_FOUND_UNKNOWN)
…		…
758	};	1115	};
759		1116
760	aio_stash = gv_stashpv ("IO::AIO" , 1);	1117	aio_stash = gv_stashpv ("IO::AIO" , 1);
761	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1118	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1119	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1120	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
763		1121
764	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1122	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
765	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1123	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
766		1124
767	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1125	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768		1126
769	create_respipe ();	1127	reinit ();
770
771	if (eio_init (want_poll, done_poll) < 0)
772	croak ("IO::AIO: unable to initialise eio library");
773
774	/* atfork child called in fifo order, so before eio's handler */
775	X_THREAD_ATFORK (0, 0, atfork_child);
776	}	1128	}
777		1129
778	void	1130	void
		1131	reinit ()
		1132	PROTOTYPE:
		1133
		1134	void
779	max_poll_reqs (int nreqs)	1135	max_poll_reqs (unsigned int nreqs)
780	PROTOTYPE: $	1136	PROTOTYPE: $
781	CODE:	1137	CODE:
782	eio_set_max_poll_reqs (nreqs);	1138	eio_set_max_poll_reqs (nreqs);
783		1139
784	void	1140	void
…		…
786	PROTOTYPE: $	1142	PROTOTYPE: $
787	CODE:	1143	CODE:
788	eio_set_max_poll_time (nseconds);	1144	eio_set_max_poll_time (nseconds);
789		1145
790	void	1146	void
791	min_parallel (int nthreads)	1147	min_parallel (unsigned int nthreads)
792	PROTOTYPE: $	1148	PROTOTYPE: $
793	CODE:	1149	CODE:
794	eio_set_min_parallel (nthreads);	1150	eio_set_min_parallel (nthreads);
795		1151
796	void	1152	void
797	max_parallel (int nthreads)	1153	max_parallel (unsigned int nthreads)
798	PROTOTYPE: $	1154	PROTOTYPE: $
799	CODE:	1155	CODE:
800	eio_set_max_parallel (nthreads);	1156	eio_set_max_parallel (nthreads);
801		1157
802	void	1158	void
803	max_idle (int nthreads)	1159	max_idle (unsigned int nthreads)
804	PROTOTYPE: $	1160	PROTOTYPE: $
805	CODE:	1161	CODE:
806	eio_set_max_idle (nthreads);	1162	eio_set_max_idle (nthreads);
807		1163
808	void	1164	void
		1165	idle_timeout (unsigned int seconds)
		1166	PROTOTYPE: $
		1167	CODE:
		1168	eio_set_idle_timeout (seconds);
		1169
		1170	void
809	max_outstanding (int maxreqs)	1171	max_outstanding (unsigned int maxreqs)
810	PROTOTYPE: $	1172	PROTOTYPE: $
811	CODE:	1173	CODE:
812	max_outstanding = maxreqs;	1174	max_outstanding = maxreqs;
813		1175
814	void	1176	void
815	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1177	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
816	PROTOTYPE: $$$;$
817	PPCODE:	1178	PPCODE:
818	{	1179	{
819	dREQ;	1180	dREQ;
820		1181
		1182	req->type = EIO_WD_OPEN;
		1183	req_set_path1 (req, pathname);
		1184
		1185	REQ_SEND;
		1186	}
		1187
		1188	void
		1189	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1190	PPCODE:
		1191	{
		1192	dREQ;
		1193
821	req->type = EIO_OPEN;	1194	req->type = EIO_OPEN;
822	req->sv1 = newSVsv (pathname);	1195	req_set_path1 (req, pathname);
823	req->ptr1 = SvPVbyte_nolen (req->sv1);
824	req->int1 = flags;	1196	req->int1 = flags;
825	req->int2 = mode;	1197	req->int2 = mode;
826		1198
827	REQ_SEND;	1199	REQ_SEND;
828	}	1200	}
829		1201
830	void	1202	void
831	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1203	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
832	PROTOTYPE: $;$
833	ALIAS:	1204	ALIAS:
834	aio_fsync = EIO_FSYNC	1205	aio_fsync = EIO_FSYNC
835	aio_fdatasync = EIO_FDATASYNC	1206	aio_fdatasync = EIO_FDATASYNC
		1207	aio_syncfs = EIO_SYNCFS
836	PPCODE:	1208	PPCODE:
837	{	1209	{
838	int fd = s_fileno_croak (fh, 0);	1210	int fd = s_fileno_croak (fh, 0);
839	dREQ;	1211	dREQ;
840		1212
841	req->type = ix;	1213	req->type = ix;
842	req->sv1 = newSVsv (fh);	1214	req->sv1 = newSVsv (fh);
843	req->int1 = fd;	1215	req->int1 = fd;
844		1216
845	REQ_SEND (req);	1217	REQ_SEND;
846	}	1218	}
847		1219
848	void	1220	void
849	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1221	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
850	PROTOTYPE: $$$$;$
851	PPCODE:	1222	PPCODE:
852	{	1223	{
853	int fd = s_fileno_croak (fh, 0);	1224	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1225	dREQ;
855		1226
856	req->type = EIO_SYNC_FILE_RANGE;	1227	req->type = EIO_SYNC_FILE_RANGE;
857	req->sv1 = newSVsv (fh);	1228	req->sv1 = newSVsv (fh);
858	req->int1 = fd;	1229	req->int1 = fd;
859	req->offs = offset;	1230	req->offs = offset;
860	req->size = nbytes;	1231	req->size = nbytes;
861	req->int2 = flags;	1232	req->int2 = flags;
862		1233
863	REQ_SEND (req);	1234	REQ_SEND;
864	}	1235	}
865		1236
866	void	1237	void
867	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)
868	PROTOTYPE: $;$
869	PPCODE:	1239	PPCODE:
870	{	1240	{
871	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872	int fd = s_fileno_croak (fh, 0);	1241	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1242	dREQ;
874		1243
875	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))
876	{	1263	{
877	int pipefd [2];	1264	int pipefd [2];
878		1265
		1266	if (
		1267	#ifdef _WIN32
		1268	_pipe (pipefd, 1, _O_BINARY) < 0
		1269	#else
879	if (pipe (pipefd) < 0	1270	pipe (pipefd) < 0
880	|| close (pipefd [1]) < 0
881	|| 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	)
882	abort (); /*D*/	1275	abort (); /*D*/
883		1276
884	close_pipe = pipefd [0];	1277	close_fd = pipefd [0];
885	}	1278	}
886		1279
887	req->type = EIO_DUP2;	1280	req->type = EIO_DUP2;
888	req->int1 = close_pipe;	1281	req->int1 = close_fd;
889	req->sv2 = newSVsv (fh);	1282	req->sv2 = newSVsv (fh);
890	req->int2 = fd;	1283	req->int2 = fd;
891		1284
892	REQ_SEND (req);	1285	REQ_SEND;
893	}	1286	}
894		1287
895	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
896	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)
897	ALIAS:	1306	ALIAS:
898	aio_read = EIO_READ	1307	aio_read = EIO_READ
899	aio_write = EIO_WRITE	1308	aio_write = EIO_WRITE
900	PROTOTYPE: $$$$$;$
901	PPCODE:	1309	PPCODE:
902	{	1310	{
903	STRLEN svlen;	1311	STRLEN svlen;
904	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1312	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905	char *svptr = SvPVbyte (data, svlen);	1313	char *svptr = SvPVbyte (data, svlen);
…		…
918	len = svlen - dataoffset;	1326	len = svlen - dataoffset;
919	}	1327	}
920	else	1328	else
921	{	1329	{
922	/* read: check type and grow scalar as necessary */	1330	/* read: check type and grow scalar as necessary */
923	SvUPGRADE (data, SVt_PV);	1331	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
924	svptr = SvGROW (data, len + dataoffset + 1);	1332	svptr = sv_grow (data, len + dataoffset + 1);
		1333	else if (SvCUR (data) < len + dataoffset)
		1334	croak ("length + dataoffset outside of scalar, and cannot grow");
925	}	1335	}
926		1336
927	{	1337	{
928	dREQ;	1338	dREQ;
929		1339
…		…
945	REQ_SEND;	1355	REQ_SEND;
946	}	1356	}
947	}	1357	}
948		1358
949	void	1359	void
950	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1360	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
951	PROTOTYPE: $$;$	1361	ALIAS:
		1362	aio_ioctl = EIO_IOCTL
		1363	aio_fcntl = EIO_FCNTL
952	PPCODE:	1364	PPCODE:
953	{	1365	{
954	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	{
955	dREQ;	1406	dREQ;
956		1407
957	req->type = EIO_READLINK;	1408	req->type = ix;
958	req->sv1 = newSVsv (path);	1409	req_set_path1 (req, pathname);
959	req->ptr1 = SvPVbyte_nolen (req->sv1);
960		1410
961	REQ_SEND;	1411	REQ_SEND;
962	}	1412	}
963		1413
964	void	1414	void
965	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t 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)
966	PROTOTYPE: $$$$;$
967	PPCODE:	1416	PPCODE:
968	{	1417	{
969	int ifd = s_fileno_croak (in_fh , 0);	1418	int ifd = s_fileno_croak (in_fh , 0);
970	int ofd = s_fileno_croak (out_fh, 1);	1419	int ofd = s_fileno_croak (out_fh, 1);
971	dREQ;	1420	dREQ;
972		1421
973	req->type = EIO_SENDFILE;	1422	req->type = EIO_SENDFILE;
974	req->sv1 = newSVsv (out_fh);	1423	req->sv1 = newSVsv (out_fh);
975	req->int1 = ofd;	1424	req->int1 = ofd;
…		…
980		1429
981	REQ_SEND;	1430	REQ_SEND;
982	}	1431	}
983		1432
984	void	1433	void
985	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1434	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
986	PROTOTYPE: $$$;$
987	PPCODE:	1435	PPCODE:
988	{	1436	{
989	int fd = s_fileno_croak (fh, 0);	1437	int fd = s_fileno_croak (fh, 0);
990	dREQ;	1438	dREQ;
991		1439
992	req->type = EIO_READAHEAD;	1440	req->type = EIO_READAHEAD;
993	req->sv1 = newSVsv (fh);	1441	req->sv1 = newSVsv (fh);
994	req->int1 = fd;	1442	req->int1 = fd;
…		…
997		1445
998	REQ_SEND;	1446	REQ_SEND;
999	}	1447	}
1000		1448
1001	void	1449	void
1002	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1450	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1003	ALIAS:	1451	ALIAS:
1004	aio_stat = EIO_STAT	1452	aio_stat = EIO_STAT
1005	aio_lstat = EIO_LSTAT	1453	aio_lstat = EIO_LSTAT
1006	aio_statvfs = EIO_STATVFS	1454	aio_statvfs = EIO_STATVFS
1007	PPCODE:	1455	PPCODE:
1008	{	1456	{
1009	dREQ;	1457	dREQ;
1010		1458
1011	req->sv1 = newSVsv (fh_or_path);	1459	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1012
1013	if (SvPOK (req->sv1))
1014	{
1015	req->type = ix;
1016	req->ptr1 = SvPVbyte_nolen (req->sv1);
1017	}
1018	else
1019	{
1020	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1021	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1022	}
1023		1460
1024	REQ_SEND;	1461	REQ_SEND;
1025	}	1462	}
1026		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
1027	void	1480	void
1028	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)
1029	PPCODE:	1482	PPCODE:
1030	{	1483	{
1031	dREQ;	1484	dREQ;
1032		1485
1033	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1486	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1034	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1487	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1035	req->sv1 = newSVsv (fh_or_path);	1488	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1036
1037	if (SvPOK (req->sv1))
1038	{
1039	req->type = EIO_UTIME;
1040	req->ptr1 = SvPVbyte_nolen (req->sv1);
1041	}
1042	else
1043	{
1044	req->type = EIO_FUTIME;
1045	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1046	}
1047		1489
1048	REQ_SEND;	1490	REQ_SEND;
1049	}	1491	}
1050		1492
1051	void	1493	void
1052	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)
1053	PPCODE:	1495	PPCODE:
1054	{	1496	{
1055	dREQ;	1497	dREQ;
1056		1498
1057	req->sv1 = newSVsv (fh_or_path);
1058	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1499	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1059		1500	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1060	if (SvPOK (req->sv1))
1061	{
1062	req->type = EIO_TRUNCATE;
1063	req->ptr1 = SvPVbyte_nolen (req->sv1);
1064	}
1065	else
1066	{
1067	req->type = EIO_FTRUNCATE;
1068	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1069	}
1070		1501
1071	REQ_SEND;	1502	REQ_SEND;
1072	}	1503	}
1073		1504
1074	void	1505	void
1075	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)
1076	ALIAS:
1077	aio_chmod = EIO_CHMOD
1078	aio_mkdir = EIO_MKDIR
1079	PPCODE:	1507	PPCODE:
1080	{	1508	{
1081	dREQ;	1509	dREQ;
1082		1510
1083	req->int2 = mode;	1511	req->int2 = mode;
1084	req->sv1 = newSVsv (fh_or_path);	1512	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1085
1086	if (SvPOK (req->sv1))
1087	{
1088	req->type = ix;
1089	req->ptr1 = SvPVbyte_nolen (req->sv1);
1090	}
1091	else
1092	{
1093	req->type = EIO_FCHMOD;
1094	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095	}
1096		1513
1097	REQ_SEND;	1514	REQ_SEND;
1098	}	1515	}
1099		1516
1100	void	1517	void
1101	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)
1102	PPCODE:	1519	PPCODE:
1103	{	1520	{
1104	dREQ;	1521	dREQ;
1105		1522
1106	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1523	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1107	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1524	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1108	req->sv1 = newSVsv (fh_or_path);	1525	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1109
1110	if (SvPOK (req->sv1))
1111	{
1112	req->type = EIO_CHOWN;
1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
1114	}
1115	else
1116	{
1117	req->type = EIO_FCHOWN;
1118	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1119	}
1120		1526
1121	REQ_SEND;	1527	REQ_SEND;
1122	}	1528	}
1123		1529
1124	void	1530	void
1125	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1531	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1126	PPCODE:	1532	PPCODE:
1127	{	1533	{
1128	dREQ;	1534	dREQ;
1129		1535
1130	req->type = EIO_READDIR;	1536	req->type = EIO_READDIR;
1131	req->sv1 = newSVsv (pathname);
1132	req->ptr1 = SvPVbyte_nolen (req->sv1);
1133	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1537	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1134		1538
1135	if (flags & EIO_READDIR_DENTS)	1539	if (flags & EIO_READDIR_DENTS)
1136	req->int1 |= EIO_READDIR_CUSTOM2;	1540	req->int1 |= EIO_READDIR_CUSTOM2;
1137		1541
		1542	req_set_path1 (req, pathname);
		1543
1138	REQ_SEND;	1544	REQ_SEND;
1139	}	1545	}
1140		1546
1141	void	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
1142	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1561	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1143	ALIAS:	1562	ALIAS:
1144	aio_unlink = EIO_UNLINK	1563	aio_unlink = EIO_UNLINK
1145	aio_rmdir = EIO_RMDIR	1564	aio_rmdir = EIO_RMDIR
1146	aio_readdir = EIO_READDIR	1565	aio_readdir = EIO_READDIR
1147	PPCODE:	1566	PPCODE:
1148	{	1567	{
1149	dREQ;	1568	dREQ;
1150		1569
1151	req->type = ix;	1570	req->type = ix;
1152	req->sv1 = newSVsv (pathname);	1571	req_set_path1 (req, pathname);
1153	req->ptr1 = SvPVbyte_nolen (req->sv1);
1154		1572
1155	REQ_SEND;	1573	REQ_SEND;
1156	}	1574	}
1157		1575
1158	void	1576	void
1159	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1577	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1160	ALIAS:	1578	ALIAS:
1161	aio_link = EIO_LINK	1579	aio_link = EIO_LINK
1162	aio_symlink = EIO_SYMLINK	1580	aio_symlink = EIO_SYMLINK
1163	aio_rename = EIO_RENAME	1581	aio_rename = EIO_RENAME
1164	PPCODE:	1582	PPCODE:
1165	{	1583	{
		1584	eio_wd wd2 = 0;
1166	dREQ;	1585	dREQ;
1167		1586
1168	req->type = ix;	1587	req->type = ix;
1169	req->sv1 = newSVsv (oldpath);	1588	req_set_path1 (req, oldpath);
1170	req->ptr1 = SvPVbyte_nolen (req->sv1);	1589	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1171	req->sv2 = newSVsv (newpath);	1590	req->int3 = (long)wd2;
1172	req->ptr2 = SvPVbyte_nolen (req->sv2);
1173		1591
1174	REQ_SEND;	1592	REQ_SEND;
1175	}	1593	}
1176		1594
1177	void	1595	void
1178	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)
1179	PPCODE:	1597	PPCODE:
1180	{	1598	{
1181	dREQ;	1599	dREQ;
1182		1600
1183	req->type = EIO_MKNOD;	1601	req->type = EIO_MKNOD;
1184	req->sv1 = newSVsv (pathname);
1185	req->ptr1 = SvPVbyte_nolen (req->sv1);
1186	req->int2 = (mode_t)mode;	1602	req->int2 = (mode_t)mode;
1187	req->offs = dev;	1603	req->offs = dev;
		1604	req_set_path1 (req, pathname);
1188		1605
1189	REQ_SEND;	1606	REQ_SEND;
1190	}	1607	}
1191		1608
1192	void	1609	void
1193	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1610	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1194	ALIAS:	1611	ALIAS:
1195	aio_mtouch = EIO_MTOUCH	1612	aio_mtouch = EIO_MTOUCH
1196	aio_msync = EIO_MSYNC	1613	aio_msync = EIO_MSYNC
1197	PROTOTYPE: $$$$;$
1198	PPCODE:	1614	PPCODE:
1199	{	1615	{
1200	STRLEN svlen;	1616	STRLEN svlen;
		1617	char *svptr = SvPVbyte (data, svlen);
1201	UV len = SvUV (length);	1618	UV len = SvUV (length);
1202	char *svptr = SvPVbyte (data, svlen);	1619
		1620	if (flags < 0)
		1621	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1203		1622
1204	if (offset < 0)	1623	if (offset < 0)
1205	offset += svlen;	1624	offset += svlen;
1206		1625
1207	if (offset < 0 || offset > svlen)	1626	if (offset < 0 || offset > svlen)
…		…
1212		1631
1213	{	1632	{
1214	dREQ;	1633	dREQ;
1215		1634
1216	req->type = ix;	1635	req->type = ix;
1217	req->size = len;
1218	req->sv2 = SvREFCNT_inc (data);	1636	req->sv2 = SvREFCNT_inc (data);
1219	req->ptr2 = (char *)svptr + offset;	1637	req->ptr2 = (char *)svptr + offset;
		1638	req->size = len;
1220	req->int1 = flags;	1639	req->int1 = flags;
1221		1640
1222	REQ_SEND;	1641	REQ_SEND;
1223	}	1642	}
1224	}	1643	}
1225		1644
1226	void	1645	void
		1646	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1647	PPCODE:
		1648	{
		1649	STRLEN svlen;
		1650	char *svptr = SvPVbyte (data, svlen);
		1651	UV len = SvUV (length);
		1652
		1653	if (offset < 0)
		1654	offset += svlen;
		1655
		1656	if (offset < 0 || offset > svlen)
		1657	croak ("offset outside of scalar");
		1658
		1659	if (!SvOK (length) || len + offset > svlen)
		1660	len = svlen - offset;
		1661
		1662	{
		1663	dREQ;
		1664
		1665	req->type = EIO_MLOCK;
		1666	req->sv2 = SvREFCNT_inc (data);
		1667	req->ptr2 = (char *)svptr + offset;
		1668	req->size = len;
		1669
		1670	REQ_SEND;
		1671	}
		1672	}
		1673
		1674	void
		1675	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1676	PPCODE:
		1677	{
		1678	dREQ;
		1679
		1680	req->type = EIO_MLOCKALL;
		1681	req->int1 = flags;
		1682
		1683	REQ_SEND;
		1684	}
		1685
		1686	void
		1687	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1688	PPCODE:
		1689	{
		1690	int fd = s_fileno_croak (fh, 0);
		1691	dREQ;
		1692
		1693	req->type = EIO_CUSTOM;
		1694	req->sv1 = newSVsv (fh);
		1695	req->int1 = fd;
		1696
		1697	req->feed = fiemap;
		1698	#if HAVE_FIEMAP
		1699	/* keep our fingers crossed that the next two types are 64 bit */
		1700	req->offs = start;
		1701	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1702	req->int2 = flags;
		1703	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1704	#endif
		1705
		1706	REQ_SEND;
		1707	}
		1708
		1709	void
1227	aio_busy (double delay, SV *callback=&PL_sv_undef)	1710	aio_busy (double delay, SV *callback = &PL_sv_undef)
1228	PPCODE:	1711	PPCODE:
1229	{	1712	{
1230	dREQ;	1713	dREQ;
1231		1714
1232	req->type = EIO_BUSY;	1715	req->type = EIO_BUSY;
…		…
1234		1717
1235	REQ_SEND;	1718	REQ_SEND;
1236	}	1719	}
1237		1720
1238	void	1721	void
1239	aio_group (SV *callback=&PL_sv_undef)	1722	aio_group (SV *callback = &PL_sv_undef)
1240	PROTOTYPE: ;$
1241	PPCODE:	1723	PPCODE:
1242	{	1724	{
1243	dREQ;	1725	dREQ;
1244		1726
1245	req->type = EIO_GROUP;	1727	req->type = EIO_GROUP;
1246		1728
		1729	PUTBACK;
1247	req_submit (req);	1730	req_submit (req);
		1731	SPAGAIN;
		1732
1248	XPUSHs (req_sv (req, aio_grp_stash));	1733	XPUSHs (req_sv (req, aio_grp_stash));
1249	}	1734	}
1250		1735
1251	void	1736	void
1252	aio_nop (SV *callback=&PL_sv_undef)	1737	aio_nop (SV *callback = &PL_sv_undef)
1253	ALIAS:	1738	ALIAS:
1254	aio_nop = EIO_NOP	1739	aio_nop = EIO_NOP
1255	aio_sync = EIO_SYNC	1740	aio_sync = EIO_SYNC
1256	PPCODE:	1741	PPCODE:
1257	{	1742	{
…		…
1261		1746
1262	REQ_SEND;	1747	REQ_SEND;
1263	}	1748	}
1264		1749
1265	int	1750	int
1266	aioreq_pri (int pri = 0)	1751	aioreq_pri (int pri = NO_INIT)
1267	PROTOTYPE: ;$
1268	CODE:	1752	CODE:
1269	RETVAL = next_pri;	1753	RETVAL = next_pri;
1270	if (items > 0)	1754	if (items > 0)
1271	{	1755	{
1272	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1756	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1284	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1768	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285	next_pri = nice;	1769	next_pri = nice;
1286		1770
1287	void	1771	void
1288	flush ()	1772	flush ()
1289	PROTOTYPE:
1290	CODE:	1773	CODE:
1291	while (eio_nreqs ())	1774	while (eio_nreqs ())
1292	{	1775	{
1293	poll_wait ();	1776	poll_wait ();
1294	poll_cb ();	1777	poll_cb ();
1295	}	1778	}
1296		1779
1297	int	1780	int
1298	poll()	1781	poll ()
1299	PROTOTYPE:
1300	CODE:	1782	CODE:
1301	poll_wait ();	1783	poll_wait ();
1302	RETVAL = poll_cb ();	1784	RETVAL = poll_cb ();
1303	OUTPUT:	1785	OUTPUT:
1304	RETVAL	1786	RETVAL
1305		1787
1306	int	1788	int
1307	poll_fileno()	1789	poll_fileno ()
1308	PROTOTYPE:
1309	CODE:	1790	CODE:
1310	RETVAL = s_epipe_fd (&respipe);	1791	RETVAL = s_epipe_fd (&respipe);
1311	OUTPUT:	1792	OUTPUT:
1312	RETVAL	1793	RETVAL
1313		1794
1314	int	1795	int
1315	poll_cb(...)	1796	poll_cb (...)
1316	PROTOTYPE:	1797	PROTOTYPE:
1317	CODE:	1798	CODE:
1318	RETVAL = poll_cb ();	1799	RETVAL = poll_cb ();
1319	OUTPUT:	1800	OUTPUT:
1320	RETVAL	1801	RETVAL
1321		1802
1322	void	1803	void
1323	poll_wait()	1804	poll_wait ()
1324	PROTOTYPE:
1325	CODE:	1805	CODE:
1326	poll_wait ();	1806	poll_wait ();
1327		1807
1328	int	1808	int
1329	nreqs()	1809	nreqs ()
1330	PROTOTYPE:
1331	CODE:	1810	CODE:
1332	RETVAL = eio_nreqs ();	1811	RETVAL = eio_nreqs ();
1333	OUTPUT:	1812	OUTPUT:
1334	RETVAL	1813	RETVAL
1335		1814
1336	int	1815	int
1337	nready()	1816	nready ()
1338	PROTOTYPE:
1339	CODE:	1817	CODE:
1340	RETVAL = eio_nready ();	1818	RETVAL = eio_nready ();
1341	OUTPUT:	1819	OUTPUT:
1342	RETVAL	1820	RETVAL
1343		1821
1344	int	1822	int
1345	npending()	1823	npending ()
1346	PROTOTYPE:
1347	CODE:	1824	CODE:
1348	RETVAL = eio_npending ();	1825	RETVAL = eio_npending ();
1349	OUTPUT:	1826	OUTPUT:
1350	RETVAL	1827	RETVAL
1351		1828
1352	int	1829	int
1353	nthreads()	1830	nthreads ()
1354	PROTOTYPE:
1355	CODE:	1831	CODE:
1356	RETVAL = eio_nthreads ();	1832	RETVAL = eio_nthreads ();
1357	OUTPUT:	1833	OUTPUT:
1358	RETVAL	1834	RETVAL
1359		1835
1360	int	1836	int
1361	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1837	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362	PROTOTYPE: $$$$
1363	CODE:	1838	CODE:
1364	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365	RETVAL = posix_fadvise (fh, offset, length, advice);	1839	RETVAL = posix_fadvise (fh, offset, length, advice);
1366	#else
1367	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368	#endif
1369	OUTPUT:	1840	OUTPUT:
1370	RETVAL	1841	RETVAL
1371		1842
1372	ssize_t	1843	IV
1373	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1844	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374	PROTOTYPE: $$$$
1375	CODE:	1845	CODE:
1376	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1846	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377	OUTPUT:	1847	OUTPUT:
1378	RETVAL	1848	RETVAL
1379		1849
1380	void	1850	void
1381	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1851	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1382	PROTOTYPE: $$$$$;$
1383	PPCODE:	1852	PPCODE:
1384	sv_unmagic (scalar, MMAP_MAGIC);	1853	sv_unmagic (scalar, MMAP_MAGIC);
1385	{	1854	{
1386	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1855	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1856	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388	if (addr == (void *)-1)	1857	if (addr == (void *)-1)
1389	XSRETURN_NO;	1858	XSRETURN_NO;
1390		1859
		1860	sv_force_normal (scalar);
		1861
1391	/* we store the length in mg_obj, as namlen is I32 :/ */	1862	/* we store the length in mg_obj, as namlen is I32 :/ */
1392	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1863	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393	->mg_obj = (SV *)length;	1864	->mg_obj = (SV *)length;
1394		1865
1395	SvUPGRADE (scalar, SVt_PV); /* nop... */	1866	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1867
1396	if (!(prot & PROT_WRITE))	1868	if (!(prot & PROT_WRITE))
1397	SvREADONLY_on (scalar);	1869	SvREADONLY_on (scalar);
		1870
		1871	if (SvLEN (scalar))
		1872	Safefree (SvPVX (scalar));
1398		1873
1399	SvPVX (scalar) = (char *)addr;	1874	SvPVX (scalar) = (char *)addr;
1400	SvCUR_set (scalar, length);	1875	SvCUR_set (scalar, length);
1401	SvLEN_set (scalar, 0);	1876	SvLEN_set (scalar, 0);
1402	SvPOK_only (scalar);	1877	SvPOK_only (scalar);
…		…
1404	XSRETURN_YES;	1879	XSRETURN_YES;
1405	}	1880	}
1406		1881
1407	void	1882	void
1408	munmap (SV *scalar)	1883	munmap (SV *scalar)
1409	PROTOTYPE: $
1410	CODE:	1884	CODE:
1411	sv_unmagic (scalar, MMAP_MAGIC);	1885	sv_unmagic (scalar, MMAP_MAGIC);
1412		1886
1413	int	1887	int
1414	mlockall (int flags)	1888	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1415	PROTOTYPE: $	1889	ALIAS:
		1890	mprotect = 1
1416	CODE:	1891	CODE:
		1892	{
		1893	STRLEN svlen;
		1894	void *addr = SvPVbyte (scalar, svlen);
		1895	STRLEN len = SvUV (length);
		1896
		1897	if (offset < 0)
		1898	offset += svlen;
		1899
		1900	if (offset < 0 || offset > svlen)
		1901	croak ("offset outside of scalar");
		1902
		1903	if (!SvOK (length) || len + offset > svlen)
		1904	len = svlen - offset;
		1905
		1906	addr = (void *)(((intptr_t)addr) + offset);
		1907	eio_page_align (&addr, &len);
		1908
		1909	switch (ix)
		1910	{
		1911	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1912	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1913	}
		1914	}
		1915	OUTPUT:
		1916	RETVAL
		1917
		1918	int
		1919	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1920	CODE:
		1921	{
		1922	STRLEN svlen;
		1923	void *addr = SvPVbyte (scalar, svlen);
		1924	size_t len = SvUV (length);
		1925
		1926	if (offset < 0)
		1927	offset += svlen;
		1928
		1929	if (offset < 0 || offset > svlen)
		1930	croak ("offset outside of scalar");
		1931
		1932	if (!SvOK (length) || len + offset > svlen)
		1933	len = svlen - offset;
		1934
		1935	addr = (void *)(((intptr_t)addr) + offset);
		1936	eio_page_align (&addr, &len);
1417	#if _POSIX_MEMLOCK	1937	#if _POSIX_MEMLOCK_RANGE
1418	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1938	RETVAL = munlock (addr, len);
1419	extern int mallopt (int, int);
1420	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421	#endif
1422	mlockall (flags);
1423	#else	1939	#else
1424	RETVAL = -1;	1940	RETVAL = EIO_ENOSYS ();
1425	errno = ENOSYS;
1426	#endif	1941	#endif
		1942	}
1427	OUTPUT:	1943	OUTPUT:
1428	RETVAL	1944	RETVAL
1429		1945
1430	int	1946	int
1431	munlockall ()	1947	munlockall ()
1432	PROTOTYPE:
1433	CODE:	1948	CODE:
1434	#if _POSIX_MEMLOCK	1949	#if _POSIX_MEMLOCK
1435	munlockall ();	1950	munlockall ();
1436	#else	1951	#else
1437	RETVAL = -1;	1952	RETVAL = EIO_ENOSYS ();
1438	errno = ENOSYS;
1439	#endif	1953	#endif
1440	OUTPUT:	1954	OUTPUT:
1441	RETVAL	1955	RETVAL
		1956
		1957	int
		1958	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1959	CODE:
		1960	{
		1961	#if HAVE_LINUX_SPLICE
		1962	loff_t off_in_, off_out_;
		1963	RETVAL = splice (
		1964	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1965	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1966	length, flags
		1967	);
		1968	#else
		1969	RETVAL = EIO_ENOSYS ();
		1970	#endif
		1971	}
		1972	OUTPUT:
		1973	RETVAL
		1974
		1975	int
		1976	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1977	CODE:
		1978	#if HAVE_LINUX_SPLICE
		1979	RETVAL = tee (rfh, wfh, length, flags);
		1980	#else
		1981	RETVAL = EIO_ENOSYS ();
		1982	#endif
		1983	OUTPUT:
		1984	RETVAL
		1985
		1986	int
		1987	pipesize (aio_rfd rfh, int new_size = -1)
		1988	PROTOTYPE: $;$
		1989	CODE:
		1990	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1991	if (new_size >= 0)
		1992	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1993	else
		1994	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1995	#else
		1996	errno = ENOSYS;
		1997	RETVAL = -1;
		1998	#endif
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	void
		2003	pipe2 (int flags = 0)
		2004	PROTOTYPE: ;$
		2005	PPCODE:
		2006	{
		2007	int fd[2];
		2008	int res;
		2009
		2010	if (flags)
		2011	#if HAVE_PIPE2
		2012	res = pipe2 (fd, flags);
		2013	#else
		2014	res = (errno = ENOSYS, -1);
		2015	#endif
		2016	else
		2017	res = pipe (fd);
		2018
		2019	if (!res)
		2020	{
		2021	EXTEND (SP, 2);
		2022	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2023	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2024	}
		2025	}
1442		2026
1443	void _on_next_submit (SV *cb)	2027	void _on_next_submit (SV *cb)
1444	CODE:	2028	CODE:
1445	SvREFCNT_dec (on_next_submit);	2029	SvREFCNT_dec (on_next_submit);
1446	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2030	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1447		2031
1448	PROTOTYPES: DISABLE	2032	PROTOTYPES: DISABLE
1449		2033
		2034	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2035
		2036	BOOT:
		2037	{
		2038	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2039	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2040	}
		2041
		2042	void
		2043	DESTROY (SV *self)
		2044	CODE:
		2045	{
		2046	aio_wd wd = SvAIO_WD (self);
		2047	#if HAVE_AT
		2048	{
		2049	SV *callback = &PL_sv_undef;
		2050	dREQ; /* clobbers next_pri :/ */
		2051	next_pri = req->pri; /* restore next_pri */
		2052	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2053	req->type = EIO_WD_CLOSE;
		2054	req->wd = wd;
		2055	REQ_SEND;
		2056	}
		2057	#else
		2058	eio_wd_close_sync (wd);
		2059	#endif
		2060	}
		2061
1450	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2062	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1451		2063
1452	void	2064	void
1453	cancel (aio_req_ornot req)	2065	cancel (aio_req_ornot req)
1454	CODE:	2066	CODE:
1455	eio_cancel (req);	2067	eio_cancel (req);
1456		2068
1457	void	2069	void
1458	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2070	cb (aio_req_ornot req, SV *callback = NO_INIT)
1459	PPCODE:	2071	PPCODE:
1460	{	2072	{
1461	if (GIMME_V != G_VOID)	2073	if (GIMME_V != G_VOID)
1462	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2074	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1463		2075
1464	if (items > 1)	2076	if (items > 1)
1465	{	2077	{
1466	SV *cb_cv =get_cb (callback);	2078	SV *cb_cv = get_cb (callback);
1467		2079
1468	SvREFCNT_dec (req->callback);	2080	SvREFCNT_dec (req->callback);
1469	req->callback = SvREFCNT_inc (cb_cv);	2081	req->callback = SvREFCNT_inc (cb_cv);
1470	}	2082	}
1471	}	2083	}
…		…
1528	limit (aio_req grp, int limit)	2140	limit (aio_req grp, int limit)
1529	CODE:	2141	CODE:
1530	eio_grp_limit (grp, limit);	2142	eio_grp_limit (grp, limit);
1531		2143
1532	void	2144	void
1533	feed (aio_req grp, SV *callback=&PL_sv_undef)	2145	feed (aio_req grp, SV *callback = &PL_sv_undef)
1534	CODE:	2146	CODE:
1535	{	2147	{
1536	SvREFCNT_dec (grp->sv2);	2148	SvREFCNT_dec (grp->sv2);
1537	grp->sv2 = newSVsv (callback);	2149	grp->sv2 = newSVsv (callback);
1538	grp->feed = aio_grp_feed;	2150	grp->feed = aio_grp_feed;

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