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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs.
Revision 1.246 by root, Fri Jun 23 21:43:51 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;
…		…
644	{	791	{
645	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
646	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
647	}	794	}
648		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
649	#define dREQ \	816	#define dREQ \
650	SV *cb_cv; \	817	aio_req req = dreq (callback); \
651	aio_req req; \
652	int req_pri = next_pri; \
653	next_pri = EIO_PRI_DEFAULT; \
654	\
655	cb_cv = get_cb (callback); \
656	\
657	Newz (0, req, 1, eio_req); \
658	if (!req) \
659	croak ("out of memory during eio_req allocation"); \
660	\
661	req->callback = SvREFCNT_inc (cb_cv); \
662	req->pri = req_pri
663		818
664	#define REQ_SEND \	819	#define REQ_SEND \
665	PUTBACK; \	820	PUTBACK; \
666	req_submit (req); \	821	req_submit (req); \
667	SPAGAIN; \	822	SPAGAIN; \
668	\	823	\
669	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
670	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
671		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
672	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
673		894
674	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
675		896
676	BOOT:	897	BOOT:
…		…
680	IV iv;	901	IV iv;
681	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
682	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
683	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
684	# 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)
685	const_iv (EXDEV)	910	const_iv (EXDEV)
686	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 */
687	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
688	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
689	const_iv (O_RDWR)	934	const_iv (O_RDWR)
690	const_iv (O_CREAT)	935	const_iv (O_CREAT)
691	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
692	const_iv (O_EXCL)	937	const_iv (O_EXCL)
693	const_iv (O_APPEND)	938	const_iv (O_APPEND)
694	#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
695	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
696	#endif	959	const_iv (S_IFCHR)
697	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	960	const_iv (S_IFBLK)
698	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	961	const_iv (S_IFLNK)
699	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	962	const_iv (S_IFREG)
700	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	963	const_iv (S_IFDIR)
701	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	964	const_iv (S_IFWHT)
702	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	965	const_iv (S_IFSOCK)
		966	const_iv (S_IFMT)
703		967
704	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
705	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
706	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
707	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
712	const_iv (ST_IMMUTABLE)	976	const_iv (ST_IMMUTABLE)
713	const_iv (ST_NOATIME)	977	const_iv (ST_NOATIME)
714	const_iv (ST_NODIRATIME)	978	const_iv (ST_NODIRATIME)
715	const_iv (ST_RELATIME)	979	const_iv (ST_RELATIME)
716		980
		981	const_iv (PROT_NONE)
717	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
718	const_iv (PROT_NONE)
719	const_iv (PROT_READ)	983	const_iv (PROT_READ)
720	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
721		985
722	/*const_iv (MAP_FIXED)*/
723	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
724	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
725	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
726		990
727	/* linuxish */	991	/* linuxish */
728	const_iv (MAP_HUGETLB)
729	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
730	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
731	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
732	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)
733		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
734	const_iv (MCL_FUTURE)	1089	const_eio (MCL_FUTURE)
735	const_iv (MCL_CURRENT)	1090	const_eio (MCL_CURRENT)
736		1091
737	const_eio (MS_ASYNC)	1092	const_eio (MS_ASYNC)
738	const_eio (MS_INVALIDATE)	1093	const_eio (MS_INVALIDATE)
739	const_eio (MS_SYNC)	1094	const_eio (MS_SYNC)
740		1095
741	const_eio (MT_MODIFY)	1096	const_eio (MT_MODIFY)
742		1097
743	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1098	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
744	const_eio (SYNC_FILE_RANGE_WRITE)	1099	const_eio (SYNC_FILE_RANGE_WRITE)
745	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)
746		1110
747	const_eio (READDIR_DENTS)	1111	const_eio (READDIR_DENTS)
748	const_eio (READDIR_DIRS_FIRST)	1112	const_eio (READDIR_DIRS_FIRST)
749	const_eio (READDIR_STAT_ORDER)	1113	const_eio (READDIR_STAT_ORDER)
750	const_eio (READDIR_FOUND_UNKNOWN)	1114	const_eio (READDIR_FOUND_UNKNOWN)
…		…
761	};	1125	};
762		1126
763	aio_stash = gv_stashpv ("IO::AIO" , 1);	1127	aio_stash = gv_stashpv ("IO::AIO" , 1);
764	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1128	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
765	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1129	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1130	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
766		1131
767	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--)
768	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1133	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
769		1134
770	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1135	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
771		1136
772	create_respipe ();	1137	reinit ();
773
774	if (eio_init (want_poll, done_poll) < 0)
775	croak ("IO::AIO: unable to initialise eio library");
776
777	/* atfork child called in fifo order, so before eio's handler */
778	X_THREAD_ATFORK (0, 0, atfork_child);
779	}	1138	}
780		1139
781	void	1140	void
		1141	reinit ()
		1142	PROTOTYPE:
		1143
		1144	void
782	max_poll_reqs (int nreqs)	1145	max_poll_reqs (unsigned int nreqs)
783	PROTOTYPE: $	1146	PROTOTYPE: $
784	CODE:	1147	CODE:
785	eio_set_max_poll_reqs (nreqs);	1148	eio_set_max_poll_reqs (nreqs);
786		1149
787	void	1150	void
…		…
789	PROTOTYPE: $	1152	PROTOTYPE: $
790	CODE:	1153	CODE:
791	eio_set_max_poll_time (nseconds);	1154	eio_set_max_poll_time (nseconds);
792		1155
793	void	1156	void
794	min_parallel (int nthreads)	1157	min_parallel (unsigned int nthreads)
795	PROTOTYPE: $	1158	PROTOTYPE: $
796	CODE:	1159	CODE:
797	eio_set_min_parallel (nthreads);	1160	eio_set_min_parallel (nthreads);
798		1161
799	void	1162	void
800	max_parallel (int nthreads)	1163	max_parallel (unsigned int nthreads)
801	PROTOTYPE: $	1164	PROTOTYPE: $
802	CODE:	1165	CODE:
803	eio_set_max_parallel (nthreads);	1166	eio_set_max_parallel (nthreads);
804		1167
805	void	1168	void
806	max_idle (int nthreads)	1169	max_idle (unsigned int nthreads)
807	PROTOTYPE: $	1170	PROTOTYPE: $
808	CODE:	1171	CODE:
809	eio_set_max_idle (nthreads);	1172	eio_set_max_idle (nthreads);
810		1173
811	void	1174	void
		1175	idle_timeout (unsigned int seconds)
		1176	PROTOTYPE: $
		1177	CODE:
		1178	eio_set_idle_timeout (seconds);
		1179
		1180	void
812	max_outstanding (int maxreqs)	1181	max_outstanding (unsigned int maxreqs)
813	PROTOTYPE: $	1182	PROTOTYPE: $
814	CODE:	1183	CODE:
815	max_outstanding = maxreqs;	1184	max_outstanding = maxreqs;
816		1185
817	void	1186	void
818	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1187	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
819	PROTOTYPE: $$$;$
820	PPCODE:	1188	PPCODE:
821	{	1189	{
822	dREQ;	1190	dREQ;
823		1191
		1192	req->type = EIO_WD_OPEN;
		1193	req_set_path1 (req, pathname);
		1194
		1195	REQ_SEND;
		1196	}
		1197
		1198	void
		1199	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1200	PPCODE:
		1201	{
		1202	dREQ;
		1203
824	req->type = EIO_OPEN;	1204	req->type = EIO_OPEN;
825	req->sv1 = newSVsv (pathname);	1205	req_set_path1 (req, pathname);
826	req->ptr1 = SvPVbyte_nolen (req->sv1);
827	req->int1 = flags;	1206	req->int1 = flags;
828	req->int2 = mode;	1207	req->int2 = mode;
829		1208
830	REQ_SEND;	1209	REQ_SEND;
831	}	1210	}
832		1211
833	void	1212	void
834	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1213	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
835	PROTOTYPE: $;$
836	ALIAS:	1214	ALIAS:
837	aio_fsync = EIO_FSYNC	1215	aio_fsync = EIO_FSYNC
838	aio_fdatasync = EIO_FDATASYNC	1216	aio_fdatasync = EIO_FDATASYNC
		1217	aio_syncfs = EIO_SYNCFS
839	PPCODE:	1218	PPCODE:
840	{	1219	{
841	int fd = s_fileno_croak (fh, 0);	1220	int fd = s_fileno_croak (fh, 0);
842	dREQ;	1221	dREQ;
843		1222
844	req->type = ix;	1223	req->type = ix;
845	req->sv1 = newSVsv (fh);	1224	req->sv1 = newSVsv (fh);
846	req->int1 = fd;	1225	req->int1 = fd;
847		1226
848	REQ_SEND (req);	1227	REQ_SEND;
849	}	1228	}
850		1229
851	void	1230	void
852	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1231	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
853	PROTOTYPE: $$$$;$
854	PPCODE:	1232	PPCODE:
855	{	1233	{
856	int fd = s_fileno_croak (fh, 0);	1234	int fd = s_fileno_croak (fh, 0);
857	dREQ;	1235	dREQ;
858		1236
859	req->type = EIO_SYNC_FILE_RANGE;	1237	req->type = EIO_SYNC_FILE_RANGE;
860	req->sv1 = newSVsv (fh);	1238	req->sv1 = newSVsv (fh);
861	req->int1 = fd;	1239	req->int1 = fd;
862	req->offs = offset;	1240	req->offs = offset;
863	req->size = nbytes;	1241	req->size = nbytes;
864	req->int2 = flags;	1242	req->int2 = flags;
865		1243
866	REQ_SEND (req);	1244	REQ_SEND;
867	}	1245	}
868		1246
869	void	1247	void
870	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)
871	PROTOTYPE: $;$
872	PPCODE:	1249	PPCODE:
873	{	1250	{
874	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
875	int fd = s_fileno_croak (fh, 0);	1251	int fd = s_fileno_croak (fh, 0);
876	dREQ;	1252	dREQ;
877		1253
878	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))
879	{	1273	{
880	int pipefd [2];	1274	int pipefd [2];
881		1275
		1276	if (
		1277	#ifdef _WIN32
		1278	_pipe (pipefd, 1, _O_BINARY) < 0
		1279	#else
882	if (pipe (pipefd) < 0	1280	pipe (pipefd) < 0
883	|| close (pipefd [1]) < 0
884	|| 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	)
885	abort (); /*D*/	1285	abort (); /*D*/
886		1286
887	close_pipe = pipefd [0];	1287	close_fd = pipefd [0];
888	}	1288	}
889		1289
890	req->type = EIO_DUP2;	1290	req->type = EIO_DUP2;
891	req->int1 = close_pipe;	1291	req->int1 = close_fd;
892	req->sv2 = newSVsv (fh);	1292	req->sv2 = newSVsv (fh);
893	req->int2 = fd;	1293	req->int2 = fd;
894		1294
895	REQ_SEND (req);	1295	REQ_SEND;
896	}	1296	}
897		1297
898	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
899	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)
900	ALIAS:	1316	ALIAS:
901	aio_read = EIO_READ	1317	aio_read = EIO_READ
902	aio_write = EIO_WRITE	1318	aio_write = EIO_WRITE
903	PROTOTYPE: $$$$$;$
904	PPCODE:	1319	PPCODE:
905	{	1320	{
906	STRLEN svlen;	1321	STRLEN svlen;
907	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1322	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
908	char *svptr = SvPVbyte (data, svlen);	1323	char *svptr = SvPVbyte (data, svlen);
…		…
921	len = svlen - dataoffset;	1336	len = svlen - dataoffset;
922	}	1337	}
923	else	1338	else
924	{	1339	{
925	/* read: check type and grow scalar as necessary */	1340	/* read: check type and grow scalar as necessary */
926	SvUPGRADE (data, SVt_PV);	1341	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
927	svptr = SvGROW (data, len + dataoffset + 1);	1342	svptr = sv_grow (data, len + dataoffset + 1);
		1343	else if (SvCUR (data) < len + dataoffset)
		1344	croak ("length + dataoffset outside of scalar, and cannot grow");
928	}	1345	}
929		1346
930	{	1347	{
931	dREQ;	1348	dREQ;
932		1349
…		…
948	REQ_SEND;	1365	REQ_SEND;
949	}	1366	}
950	}	1367	}
951		1368
952	void	1369	void
953	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1370	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
954	PROTOTYPE: $$;$	1371	ALIAS:
		1372	aio_ioctl = EIO_IOCTL
		1373	aio_fcntl = EIO_FCNTL
955	PPCODE:	1374	PPCODE:
956	{	1375	{
957	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	{
958	dREQ;	1416	dREQ;
959		1417
960	req->type = EIO_READLINK;	1418	req->type = ix;
961	req->sv1 = newSVsv (path);	1419	req_set_path1 (req, pathname);
962	req->ptr1 = SvPVbyte_nolen (req->sv1);
963		1420
964	REQ_SEND;	1421	REQ_SEND;
965	}	1422	}
966		1423
967	void	1424	void
968	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)
969	PROTOTYPE: $$$$;$
970	PPCODE:	1426	PPCODE:
971	{	1427	{
972	int ifd = s_fileno_croak (in_fh , 0);	1428	int ifd = s_fileno_croak (in_fh , 0);
973	int ofd = s_fileno_croak (out_fh, 1);	1429	int ofd = s_fileno_croak (out_fh, 1);
974	dREQ;	1430	dREQ;
975		1431
976	req->type = EIO_SENDFILE;	1432	req->type = EIO_SENDFILE;
977	req->sv1 = newSVsv (out_fh);	1433	req->sv1 = newSVsv (out_fh);
978	req->int1 = ofd;	1434	req->int1 = ofd;
…		…
983		1439
984	REQ_SEND;	1440	REQ_SEND;
985	}	1441	}
986		1442
987	void	1443	void
988	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1444	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
989	PROTOTYPE: $$$;$
990	PPCODE:	1445	PPCODE:
991	{	1446	{
992	int fd = s_fileno_croak (fh, 0);	1447	int fd = s_fileno_croak (fh, 0);
993	dREQ;	1448	dREQ;
994		1449
995	req->type = EIO_READAHEAD;	1450	req->type = EIO_READAHEAD;
996	req->sv1 = newSVsv (fh);	1451	req->sv1 = newSVsv (fh);
997	req->int1 = fd;	1452	req->int1 = fd;
…		…
1000		1455
1001	REQ_SEND;	1456	REQ_SEND;
1002	}	1457	}
1003		1458
1004	void	1459	void
1005	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1460	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1006	ALIAS:	1461	ALIAS:
1007	aio_stat = EIO_STAT	1462	aio_stat = EIO_STAT
1008	aio_lstat = EIO_LSTAT	1463	aio_lstat = EIO_LSTAT
1009	aio_statvfs = EIO_STATVFS	1464	aio_statvfs = EIO_STATVFS
1010	PPCODE:	1465	PPCODE:
1011	{	1466	{
1012	dREQ;	1467	dREQ;
1013		1468
1014	req->sv1 = newSVsv (fh_or_path);	1469	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1015
1016	if (SvPOK (req->sv1))
1017	{
1018	req->type = ix;
1019	req->ptr1 = SvPVbyte_nolen (req->sv1);
1020	}
1021	else
1022	{
1023	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1024	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1025	}
1026		1470
1027	REQ_SEND;	1471	REQ_SEND;
1028	}	1472	}
1029		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
1030	void	1490	void
1031	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)
1032	PPCODE:	1492	PPCODE:
1033	{	1493	{
1034	dREQ;	1494	dREQ;
1035		1495
1036	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1496	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1037	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1497	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1038	req->sv1 = newSVsv (fh_or_path);	1498	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1039
1040	if (SvPOK (req->sv1))
1041	{
1042	req->type = EIO_UTIME;
1043	req->ptr1 = SvPVbyte_nolen (req->sv1);
1044	}
1045	else
1046	{
1047	req->type = EIO_FUTIME;
1048	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1049	}
1050		1499
1051	REQ_SEND;	1500	REQ_SEND;
1052	}	1501	}
1053		1502
1054	void	1503	void
1055	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)
1056	PPCODE:	1505	PPCODE:
1057	{	1506	{
1058	dREQ;	1507	dREQ;
1059		1508
1060	req->sv1 = newSVsv (fh_or_path);
1061	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1509	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1062		1510	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1063	if (SvPOK (req->sv1))
1064	{
1065	req->type = EIO_TRUNCATE;
1066	req->ptr1 = SvPVbyte_nolen (req->sv1);
1067	}
1068	else
1069	{
1070	req->type = EIO_FTRUNCATE;
1071	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072	}
1073		1511
1074	REQ_SEND;	1512	REQ_SEND;
1075	}	1513	}
1076		1514
1077	void	1515	void
1078	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)
1079	ALIAS:
1080	aio_chmod = EIO_CHMOD
1081	aio_mkdir = EIO_MKDIR
1082	PPCODE:	1517	PPCODE:
1083	{	1518	{
1084	dREQ;	1519	dREQ;
1085		1520
1086	req->int2 = mode;	1521	req->int2 = mode;
1087	req->sv1 = newSVsv (fh_or_path);	1522	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1088
1089	if (SvPOK (req->sv1))
1090	{
1091	req->type = ix;
1092	req->ptr1 = SvPVbyte_nolen (req->sv1);
1093	}
1094	else
1095	{
1096	req->type = EIO_FCHMOD;
1097	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1098	}
1099		1523
1100	REQ_SEND;	1524	REQ_SEND;
1101	}	1525	}
1102		1526
1103	void	1527	void
1104	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)
1105	PPCODE:	1529	PPCODE:
1106	{	1530	{
1107	dREQ;	1531	dREQ;
1108		1532
1109	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1533	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1110	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1534	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1111	req->sv1 = newSVsv (fh_or_path);	1535	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1112
1113	if (SvPOK (req->sv1))
1114	{
1115	req->type = EIO_CHOWN;
1116	req->ptr1 = SvPVbyte_nolen (req->sv1);
1117	}
1118	else
1119	{
1120	req->type = EIO_FCHOWN;
1121	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1122	}
1123		1536
1124	REQ_SEND;	1537	REQ_SEND;
1125	}	1538	}
1126		1539
1127	void	1540	void
1128	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1541	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1129	PPCODE:	1542	PPCODE:
1130	{	1543	{
1131	dREQ;	1544	dREQ;
1132		1545
1133	req->type = EIO_READDIR;	1546	req->type = EIO_READDIR;
1134	req->sv1 = newSVsv (pathname);
1135	req->ptr1 = SvPVbyte_nolen (req->sv1);
1136	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1547	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1137		1548
1138	if (flags & EIO_READDIR_DENTS)	1549	if (flags & EIO_READDIR_DENTS)
1139	req->int1 |= EIO_READDIR_CUSTOM2;	1550	req->int1 |= EIO_READDIR_CUSTOM2;
1140		1551
		1552	req_set_path1 (req, pathname);
		1553
1141	REQ_SEND;	1554	REQ_SEND;
1142	}	1555	}
1143		1556
1144	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
1145	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1571	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1146	ALIAS:	1572	ALIAS:
1147	aio_unlink = EIO_UNLINK	1573	aio_unlink = EIO_UNLINK
1148	aio_rmdir = EIO_RMDIR	1574	aio_rmdir = EIO_RMDIR
1149	aio_readdir = EIO_READDIR	1575	aio_readdir = EIO_READDIR
1150	PPCODE:	1576	PPCODE:
1151	{	1577	{
1152	dREQ;	1578	dREQ;
1153		1579
1154	req->type = ix;	1580	req->type = ix;
1155	req->sv1 = newSVsv (pathname);	1581	req_set_path1 (req, pathname);
1156	req->ptr1 = SvPVbyte_nolen (req->sv1);
1157		1582
1158	REQ_SEND;	1583	REQ_SEND;
1159	}	1584	}
1160		1585
1161	void	1586	void
1162	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1587	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1163	ALIAS:	1588	ALIAS:
1164	aio_link = EIO_LINK	1589	aio_link = EIO_LINK
1165	aio_symlink = EIO_SYMLINK	1590	aio_symlink = EIO_SYMLINK
1166	aio_rename = EIO_RENAME	1591	aio_rename = EIO_RENAME
1167	PPCODE:	1592	PPCODE:
1168	{	1593	{
		1594	eio_wd wd2 = 0;
1169	dREQ;	1595	dREQ;
1170		1596
1171	req->type = ix;	1597	req->type = ix;
1172	req->sv1 = newSVsv (oldpath);	1598	req_set_path1 (req, oldpath);
1173	req->ptr1 = SvPVbyte_nolen (req->sv1);	1599	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1174	req->sv2 = newSVsv (newpath);	1600	req->int3 = (long)wd2;
1175	req->ptr2 = SvPVbyte_nolen (req->sv2);
1176		1601
1177	REQ_SEND;	1602	REQ_SEND;
1178	}	1603	}
1179		1604
1180	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
1181	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)
1182	PPCODE:	1623	PPCODE:
1183	{	1624	{
1184	dREQ;	1625	dREQ;
1185		1626
1186	req->type = EIO_MKNOD;	1627	req->type = EIO_MKNOD;
1187	req->sv1 = newSVsv (pathname);
1188	req->ptr1 = SvPVbyte_nolen (req->sv1);
1189	req->int2 = (mode_t)mode;	1628	req->int2 = (mode_t)mode;
1190	req->offs = dev;	1629	req->offs = dev;
		1630	req_set_path1 (req, pathname);
1191		1631
1192	REQ_SEND;	1632	REQ_SEND;
1193	}	1633	}
1194		1634
1195	void	1635	void
1196	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1636	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1197	ALIAS:	1637	ALIAS:
1198	aio_mtouch = EIO_MTOUCH	1638	aio_mtouch = EIO_MTOUCH
1199	aio_msync = EIO_MSYNC	1639	aio_msync = EIO_MSYNC
1200	PROTOTYPE: $$$$;$
1201	PPCODE:	1640	PPCODE:
1202	{	1641	{
1203	STRLEN svlen;	1642	STRLEN svlen;
		1643	char *svptr = SvPVbyte (data, svlen);
1204	UV len = SvUV (length);	1644	UV len = SvUV (length);
1205	char *svptr = SvPVbyte (data, svlen);	1645
		1646	if (flags < 0)
		1647	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1206		1648
1207	if (offset < 0)	1649	if (offset < 0)
1208	offset += svlen;	1650	offset += svlen;
1209		1651
1210	if (offset < 0 || offset > svlen)	1652	if (offset < 0 || offset > svlen)
…		…
1215		1657
1216	{	1658	{
1217	dREQ;	1659	dREQ;
1218		1660
1219	req->type = ix;	1661	req->type = ix;
1220	req->size = len;
1221	req->sv2 = SvREFCNT_inc (data);	1662	req->sv2 = SvREFCNT_inc (data);
1222	req->ptr2 = (char *)svptr + offset;	1663	req->ptr2 = (char *)svptr + offset;
		1664	req->size = len;
1223	req->int1 = flags;	1665	req->int1 = flags;
1224		1666
1225	REQ_SEND;	1667	REQ_SEND;
1226	}	1668	}
1227	}	1669	}
1228		1670
1229	void	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
1230	aio_busy (double delay, SV *callback=&PL_sv_undef)	1736	aio_busy (double delay, SV *callback = &PL_sv_undef)
1231	PPCODE:	1737	PPCODE:
1232	{	1738	{
1233	dREQ;	1739	dREQ;
1234		1740
1235	req->type = EIO_BUSY;	1741	req->type = EIO_BUSY;
…		…
1237		1743
1238	REQ_SEND;	1744	REQ_SEND;
1239	}	1745	}
1240		1746
1241	void	1747	void
1242	aio_group (SV *callback=&PL_sv_undef)	1748	aio_group (SV *callback = &PL_sv_undef)
1243	PROTOTYPE: ;$
1244	PPCODE:	1749	PPCODE:
1245	{	1750	{
1246	dREQ;	1751	dREQ;
1247		1752
1248	req->type = EIO_GROUP;	1753	req->type = EIO_GROUP;
1249		1754
		1755	PUTBACK;
1250	req_submit (req);	1756	req_submit (req);
		1757	SPAGAIN;
		1758
1251	XPUSHs (req_sv (req, aio_grp_stash));	1759	XPUSHs (req_sv (req, aio_grp_stash));
1252	}	1760	}
1253		1761
1254	void	1762	void
1255	aio_nop (SV *callback=&PL_sv_undef)	1763	aio_nop (SV *callback = &PL_sv_undef)
1256	ALIAS:	1764	ALIAS:
1257	aio_nop = EIO_NOP	1765	aio_nop = EIO_NOP
1258	aio_sync = EIO_SYNC	1766	aio_sync = EIO_SYNC
1259	PPCODE:	1767	PPCODE:
1260	{	1768	{
…		…
1264		1772
1265	REQ_SEND;	1773	REQ_SEND;
1266	}	1774	}
1267		1775
1268	int	1776	int
1269	aioreq_pri (int pri = 0)	1777	aioreq_pri (int pri = NO_INIT)
1270	PROTOTYPE: ;$
1271	CODE:	1778	CODE:
1272	RETVAL = next_pri;	1779	RETVAL = next_pri;
1273	if (items > 0)	1780	if (items > 0)
1274	{	1781	{
1275	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1782	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1287	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1794	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1288	next_pri = nice;	1795	next_pri = nice;
1289		1796
1290	void	1797	void
1291	flush ()	1798	flush ()
1292	PROTOTYPE:
1293	CODE:	1799	CODE:
1294	while (eio_nreqs ())	1800	while (eio_nreqs ())
1295	{	1801	{
1296	poll_wait ();	1802	poll_wait ();
1297	poll_cb ();	1803	poll_cb ();
1298	}	1804	}
1299		1805
1300	int	1806	int
1301	poll()	1807	poll ()
1302	PROTOTYPE:
1303	CODE:	1808	CODE:
1304	poll_wait ();	1809	poll_wait ();
1305	RETVAL = poll_cb ();	1810	RETVAL = poll_cb ();
1306	OUTPUT:	1811	OUTPUT:
1307	RETVAL	1812	RETVAL
1308		1813
1309	int	1814	int
1310	poll_fileno()	1815	poll_fileno ()
1311	PROTOTYPE:
1312	CODE:	1816	CODE:
1313	RETVAL = s_epipe_fd (&respipe);	1817	RETVAL = s_epipe_fd (&respipe);
1314	OUTPUT:	1818	OUTPUT:
1315	RETVAL	1819	RETVAL
1316		1820
1317	int	1821	int
1318	poll_cb(...)	1822	poll_cb (...)
1319	PROTOTYPE:	1823	PROTOTYPE:
1320	CODE:	1824	CODE:
1321	RETVAL = poll_cb ();	1825	RETVAL = poll_cb ();
1322	OUTPUT:	1826	OUTPUT:
1323	RETVAL	1827	RETVAL
1324		1828
1325	void	1829	void
1326	poll_wait()	1830	poll_wait ()
1327	PROTOTYPE:
1328	CODE:	1831	CODE:
1329	poll_wait ();	1832	poll_wait ();
1330		1833
1331	int	1834	int
1332	nreqs()	1835	nreqs ()
1333	PROTOTYPE:
1334	CODE:	1836	CODE:
1335	RETVAL = eio_nreqs ();	1837	RETVAL = eio_nreqs ();
1336	OUTPUT:	1838	OUTPUT:
1337	RETVAL	1839	RETVAL
1338		1840
1339	int	1841	int
1340	nready()	1842	nready ()
1341	PROTOTYPE:
1342	CODE:	1843	CODE:
1343	RETVAL = eio_nready ();	1844	RETVAL = eio_nready ();
1344	OUTPUT:	1845	OUTPUT:
1345	RETVAL	1846	RETVAL
1346		1847
1347	int	1848	int
1348	npending()	1849	npending ()
1349	PROTOTYPE:
1350	CODE:	1850	CODE:
1351	RETVAL = eio_npending ();	1851	RETVAL = eio_npending ();
1352	OUTPUT:	1852	OUTPUT:
1353	RETVAL	1853	RETVAL
1354		1854
1355	int	1855	int
1356	nthreads()	1856	nthreads ()
1357	PROTOTYPE:
1358	CODE:	1857	CODE:
1359	RETVAL = eio_nthreads ();	1858	RETVAL = eio_nthreads ();
1360	OUTPUT:	1859	OUTPUT:
1361	RETVAL	1860	RETVAL
1362		1861
1363	int	1862	int
1364	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)
1365	PROTOTYPE: $$$$
1366	CODE:	1864	CODE:
1367	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1368	RETVAL = posix_fadvise (fh, offset, length, advice);	1865	RETVAL = posix_fadvise (fh, offset, length, advice);
1369	#else
1370	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1371	#endif
1372	OUTPUT:	1866	OUTPUT:
1373	RETVAL	1867	RETVAL
1374		1868
1375	ssize_t	1869	IV
1376	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1870	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1377	PROTOTYPE: $$$$
1378	CODE:	1871	CODE:
1379	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1872	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1380	OUTPUT:	1873	OUTPUT:
1381	RETVAL	1874	RETVAL
1382		1875
1383	void	1876	void
1384	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1877	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1385	PROTOTYPE: $$$$$;$
1386	PPCODE:	1878	PPCODE:
1387	sv_unmagic (scalar, MMAP_MAGIC);	1879	sv_unmagic (scalar, MMAP_MAGIC);
1388	{	1880	{
1389	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1881	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1390	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1882	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1413	XSRETURN_YES;	1905	XSRETURN_YES;
1414	}	1906	}
1415		1907
1416	void	1908	void
1417	munmap (SV *scalar)	1909	munmap (SV *scalar)
1418	PROTOTYPE: $
1419	CODE:	1910	CODE:
1420	sv_unmagic (scalar, MMAP_MAGIC);	1911	sv_unmagic (scalar, MMAP_MAGIC);
1421		1912
1422	int	1913	int
1423	mlockall (int flags)	1914	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1424	PROTOTYPE: $	1915	ALIAS:
		1916	mprotect = 1
1425	CODE:	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);
1426	#if _POSIX_MEMLOCK	1963	#if _POSIX_MEMLOCK_RANGE
1427	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1964	RETVAL = munlock (addr, len);
1428	extern int mallopt (int, int);
1429	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1430	#endif
1431	mlockall (flags);
1432	#else	1965	#else
1433	RETVAL = -1;	1966	RETVAL = EIO_ENOSYS ();
1434	errno = ENOSYS;
1435	#endif	1967	#endif
		1968	}
1436	OUTPUT:	1969	OUTPUT:
1437	RETVAL	1970	RETVAL
1438		1971
1439	int	1972	int
1440	munlockall ()	1973	munlockall ()
1441	PROTOTYPE:
1442	CODE:	1974	CODE:
1443	#if _POSIX_MEMLOCK	1975	#if _POSIX_MEMLOCK
1444	munlockall ();	1976	munlockall ();
1445	#else	1977	#else
1446	RETVAL = -1;	1978	RETVAL = EIO_ENOSYS ();
1447	errno = ENOSYS;
1448	#endif	1979	#endif
1449	OUTPUT:	1980	OUTPUT:
1450	RETVAL	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	}
1451		2052
1452	void _on_next_submit (SV *cb)	2053	void _on_next_submit (SV *cb)
1453	CODE:	2054	CODE:
1454	SvREFCNT_dec (on_next_submit);	2055	SvREFCNT_dec (on_next_submit);
1455	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2056	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1456		2057
1457	PROTOTYPES: DISABLE	2058	PROTOTYPES: DISABLE
1458		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
1459	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2088	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1460		2089
1461	void	2090	void
1462	cancel (aio_req_ornot req)	2091	cancel (aio_req_ornot req)
1463	CODE:	2092	CODE:
1464	eio_cancel (req);	2093	eio_cancel (req);
1465		2094
1466	void	2095	void
1467	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2096	cb (aio_req_ornot req, SV *callback = NO_INIT)
1468	PPCODE:	2097	PPCODE:
1469	{	2098	{
1470	if (GIMME_V != G_VOID)	2099	if (GIMME_V != G_VOID)
1471	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);
1472		2101
1473	if (items > 1)	2102	if (items > 1)
1474	{	2103	{
1475	SV *cb_cv =get_cb (callback);	2104	SV *cb_cv = get_cb (callback);
1476		2105
1477	SvREFCNT_dec (req->callback);	2106	SvREFCNT_dec (req->callback);
1478	req->callback = SvREFCNT_inc (cb_cv);	2107	req->callback = SvREFCNT_inc (cb_cv);
1479	}	2108	}
1480	}	2109	}
…		…
1537	limit (aio_req grp, int limit)	2166	limit (aio_req grp, int limit)
1538	CODE:	2167	CODE:
1539	eio_grp_limit (grp, limit);	2168	eio_grp_limit (grp, limit);
1540		2169
1541	void	2170	void
1542	feed (aio_req grp, SV *callback=&PL_sv_undef)	2171	feed (aio_req grp, SV *callback = &PL_sv_undef)
1543	CODE:	2172	CODE:
1544	{	2173	{
1545	SvREFCNT_dec (grp->sv2);	2174	SvREFCNT_dec (grp->sv2);
1546	grp->sv2 = newSVsv (callback);	2175	grp->sv2 = newSVsv (callback);
1547	grp->feed = aio_grp_feed;	2176	grp->feed = aio_grp_feed;

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