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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 1.241 by root, Sun May 1 17:19:39 2016 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. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
23	#endif	35	#endif
24		36
25	/* perl namespace pollution */	37	/* perl namespace pollution */
26	#undef VERSION	38	#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		39
77	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	42	#undef readdir
80	#undef opendir	43	#undef opendir
81	#undef closedir	44	#undef closedir
82		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
84		82
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	83	#else
91	# define VAL64 NV	84
92	# define SvVAL64 SvNV	85	#include <sys/time.h>
93	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
94	#endif	93	#endif
95		94
96	/*****************************************************************************/	95	/*****************************************************************************/
97		96
98	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
108		107
109	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
112		111
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		113
115	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
116	SV *callback; \	115	SV *callback; \
117	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
		123	#include "libeio/config.h"
123	#include "libeio/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	128	static void req_destroy (eio_req *grp);
128	#endif	129	#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		130
145	#ifndef ST_NODEV	131	#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		132
176	#ifndef MCL_CURRENT	133	#if !HAVE_POSIX_FADVISE
177	# define MCL_CURRENT 0	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178	#endif	135	#endif
179	#ifndef MCL_FUTURE	136
180	# define MCL_FUTURE 0	137	#if !HAVE_POSIX_MADVISE
		138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181	#endif	139	#endif
182		140
183	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	142	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
186	# else	144	# else
187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188	# endif	146	# endif
189	#endif	147	#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		148
206	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	/* also provides const_iv_ and const_niv_ macros for them */
		151	#include "def0.h"
		152
		153	#ifndef makedev
		154	# define makedev(maj,min) (((maj) << 8) | (min))
		155	#endif
		156	#ifndef major
		157	# define major(dev) ((dev) >> 8)
		158	#endif
		159	#ifndef minor
		160	# define minor(dev) ((dev) & 0xff)
		161	#endif
		162
		163	#if PAGESIZE <= 0
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	165	#endif
209		166
210	static int req_invoke (eio_req *req);	167	/*****************************************************************************/
211	#define EIO_FINISH(req) req_invoke (req)	168
212	static void req_destroy (eio_req *grp);	169	static void
213	#define EIO_DESTROY(req) req_destroy (req)	170	fiemap (eio_req *req)
		171	{
		172	req->result = -1;
		173
		174	#if HAVE_FIEMAP
		175	/* assume some c99 */
		176	struct fiemap *fiemap = 0;
		177	size_t end_offset;
		178	int count = req->int3;
		179
		180	req->flags |= EIO_FLAG_PTR1_FREE;
		181
		182	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		183	/* increase in 3.5kb steps */
		184	if (count < 0)
		185	count = 8;
		186
		187	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		188	errno = ENOMEM;
		189	if (!fiemap)
		190	return;
		191
		192	req->ptr1 = fiemap;
		193
		194	fiemap->fm_start = req->offs;
		195	fiemap->fm_length = req->size;
		196	fiemap->fm_flags = req->int2;
		197	fiemap->fm_extent_count = count;
		198
		199	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		200	return;
		201
		202	if (req->int3 >= 0 /* not autosizing */
		203	|| !fiemap->fm_mapped_extents /* no more extents */
		204	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		205	goto done;
		206
		207	/* else we have to loop -
		208	* it would be tempting (actually I tried that first) to just query the
		209	* number of extents needed, but linux often feels like not returning all
		210	* extents, without telling us it left any out. this complicates
		211	* this quite a bit.
		212	*/
		213
		214	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		215
		216	for (;;)
		217	{
		218	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		219	char scratch[3072];
		220	struct fiemap *incmap = (struct fiemap *)scratch;
		221
		222	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		223	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		224	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		225	incmap->fm_flags = fiemap->fm_flags;
		226	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		227
		228	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		229	return;
		230
		231	if (!incmap->fm_mapped_extents)
		232	goto done;
		233
		234	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		235	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		236	errno = ENOMEM;
		237	if (!fiemap)
		238	return;
		239
		240	req->ptr1 = fiemap;
		241
		242	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		243	{
		244	struct fiemap_extent *e = incmap->fm_extents + count;
		245
		246	if (e->fe_logical + e->fe_length >= end_offset)
		247	goto done;
		248
		249	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		250
		251	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		252	goto done;
		253
		254	}
		255	}
		256
		257	done:
		258	req->result = 0;
		259
		260	#else
		261	errno = ENOSYS;
		262	#endif
		263	}
		264
		265	/*****************************************************************************/
214		266
215	enum {	267	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	269	};
218		270
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
223		274
224	static SV *on_next_submit;	275	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	277	static int max_outstanding;
227		278
228	static s_epipe respipe;	279	static s_epipe respipe;
229		280
230	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
232		283
233	static void want_poll (void)	284	static void
		285	want_poll (void)
234	{	286	{
235	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
237	}	289	}
238		290
239	static void done_poll (void)	291	static void
		292	done_poll (void)
240	{	293	{
241	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
243	}	296	}
244		297
245	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
246	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
247	{	301	{
248	if (!req->self)	302	if (!req->self)
249	{	303	{
250	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	306	}
253		307
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	309	}
256		310
257	static aio_req SvAIO_REQ (SV *sv)	311	static SV *
		312	newSVaio_wd (aio_wd wd)
		313	{
		314	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		315	}
		316
		317	static aio_req
		318	SvAIO_REQ (SV *sv)
258	{	319	{
259	MAGIC *mg;	320	MAGIC *mg;
260		321
261	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
263	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
264	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
265	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
266		328
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		330
269	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	332	}
271		333
		334	static aio_wd
		335	SvAIO_WD (SV *sv)
		336	{
		337	if (!SvROK (sv)
		338	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		339	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		340	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		341
		342	return (aio_wd)(long)SvIVX (SvRV (sv));
		343	}
		344
		345	static SV *
		346	newmortalFH (int fd, int flags)
		347	{
		348	if (fd < 0)
		349	return &PL_sv_undef;
		350
		351	GV *gv = (GV *)sv_newmortal ();
		352	char sym[64];
		353	int symlen;
		354
		355	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		356	gv_init (gv, aio_stash, sym, symlen, 0);
		357
		358	symlen = snprintf (
		359	sym,
		360	sizeof (sym),
		361	"%s&=%d",
		362	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		363	fd
		364	);
		365
		366	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		367	? (SV *)gv : &PL_sv_undef;
		368	}
		369
		370	static void
272	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
273	{	372	{
274	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
275	{	374	{
276	dSP;	375	dSP;
277		376
…		…
285	FREETMPS;	384	FREETMPS;
286	LEAVE;	385	LEAVE;
287	}	386	}
288	}	387	}
289		388
		389	static void
290	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
291	{	391	{
292	eio_submit (req);	392	eio_submit (req);
293		393
294	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
295	{	395	{
…		…
302	PUTBACK;	402	PUTBACK;
303	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
304	}	404	}
305	}	405	}
306		406
		407	static int
307	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
308	{	409	{
309	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
310	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
311		412
312	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
…		…
323	/* do not recreate the result IV from scratch each time */	424	/* do not recreate the result IV from scratch each time */
324	if (expect_true (sv_result_cache))	425	if (expect_true (sv_result_cache))
325	{	426	{
326	sv_result = sv_result_cache; sv_result_cache = 0;	427	sv_result = sv_result_cache; sv_result_cache = 0;
327	SvIV_set (sv_result, req->result);	428	SvIV_set (sv_result, req->result);
		429	SvIOK_only (sv_result);
328	}	430	}
329	else	431	else
330	{	432	{
331	sv_result = newSViv (req->result);	433	sv_result = newSViv (req->result);
332	SvREADONLY_on (sv_result);	434	SvREADONLY_on (sv_result);
333	}	435	}
334		436
335	switch (req->type)	437	switch (req->type)
336	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
337	case EIO_READDIR:	443	case EIO_READDIR:
338	{	444	{
339	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
340		446
341	if (req->result >= 0)	447	if (req->result >= 0)
…		…
394	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	500	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
395	}	501	}
396	break;	502	break;
397		503
398	case EIO_OPEN:	504	case EIO_OPEN:
399	{	505	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;	506	break;
428		507
429	case EIO_STATVFS:	508	case EIO_STATVFS:
430	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
431	{	510	{
432	SV *rv = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
433		512
		513	#ifndef _WIN32
434	if (req->result >= 0)	514	if (req->result >= 0)
435	{	515	{
436	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437	HV *hv = newHV ();	517	HV *hv = newHV ();
		518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		519	* chooses to make it a struct.
		520	*/
		521	unsigned long fsid = 0;
		522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
438		523
439	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
440		525
441	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	526	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);	527	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);	529	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);	530	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);	531	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);	532	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);	533	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);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	535	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);	536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452	}	537	}
		538	#endif
453		539
454	PUSHs (rv);	540	PUSHs (rv);
455	}	541	}
456		542
457	break;	543	break;
…		…
473	case EIO_NOP:	559	case EIO_NOP:
474	case EIO_BUSY:	560	case EIO_BUSY:
475	break;	561	break;
476		562
477	case EIO_READLINK:	563	case EIO_READLINK:
		564	case EIO_REALPATH:
478	if (req->result > 0)	565	if (req->result > 0)
479	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	566	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480	break;	567	break;
481		568
482	case EIO_STAT:	569	case EIO_STAT:
483	case EIO_LSTAT:	570	case EIO_LSTAT:
484	case EIO_FSTAT:	571	case EIO_FSTAT:
485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
486	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
487	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		577
488	PUSHs (sv_result);	578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
489	break;	583	break;
490		584
491	case EIO_READ:	585	case EIO_READ:
492	{	586	{
493	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	587	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
496	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
497	PUSHs (sv_result);	591	PUSHs (sv_result);
498	}	592	}
499	break;	593	break;
500		594
		595	case EIO_CUSTOM:
		596	if (req->feed == fiemap)
		597	{
		598	#if HAVE_FIEMAP
		599	if (!req->result)
		600	{
		601	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		602
		603	if (fiemap->fm_extent_count)
		604	{
		605	AV *av = newAV ();
		606	int i;
		607
		608	while (fiemap->fm_mapped_extents)
		609	{
		610	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		611	AV *ext_av = newAV ();
		612
		613	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		614	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		615	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		616	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		617
		618	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		619	}
		620
		621	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		622	}
		623	else
		624	{
		625	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		626	PUSHs (sv_result);
		627	}
		628	}
		629	#endif
		630	}
		631	else
		632	PUSHs (sv_result);
		633	break;
		634
501	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502	if (req->result > 0)	636	if (req->result > 0)
503	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
504	/* FALLTHROUGH */	638	/* FALLTHROUGH */
505		639
506	default:	640	default:
…		…
526	}	660	}
527		661
528	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
529	}	663	}
530		664
		665	static void
531	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
532	{	667	{
533	if (req->self)	668	if (req->self)
534	{	669	{
535	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
536	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
537	}	672	}
538		673
539	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
540	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
541	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
542		679
543	Safefree (req);	680	free (req);
544	}	681	}
545		682
		683	static void
546	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
547	{	685	{
548	aio_req sub;
549
550	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
551	return;	687	return;
552		688
553	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
554	grp->sv2 = 0;	690	grp->sv2 = 0;
555		691
556	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
557	}	693	}
558		694
559	static void	695	static void ecb_cold
560	create_respipe (void)	696	create_respipe (void)
561	{	697	{
562	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
563	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
564	}	700	}
565		701
566	static void poll_wait (void)	702	static void
		703	poll_wait (void)
567	{	704	{
568	while (eio_nreqs ())	705	while (eio_nreqs ())
569	{	706	{
570	int size;	707	int size;
571		708
572	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
573	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
574	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
575		712
576	if (size)	713	if (size)
577	return;	714	return;
578		715
579	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
580		717
581	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
582	}	719	}
583	}	720	}
584		721
585	static int poll_cb (void)	722	static int
		723	poll_cb (void)
586	{	724	{
587	for (;;)	725	for (;;)
588	{	726	{
589	int res = eio_poll ();	727	int res = eio_poll ();
590		728
…		…
596		734
597	poll_wait ();	735	poll_wait ();
598	}	736	}
599	}	737	}
600		738
601	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
602	{	741	{
603	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
604	}	746	}
605		747
606	/*****************************************************************************/	748	/*****************************************************************************/
607		749
608	#if !_POSIX_MAPPED_FILES	750	#if !_POSIX_MAPPED_FILES
609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
610	# define munmap(addr,length) (errno = ENOSYS, -1)	752	# define munmap(addr,length) EIO_ENOSYS ()
		753	#endif
		754
		755	#if !_POSIX_MEMORY_PROTECTION
		756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
611	#endif	757	#endif
612		758
613	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
614		760
615	static int	761	static int ecb_cold
616	mmap_free (pTHX_ SV *sv, MAGIC *mg)	762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
617	{	763	{
618	int old_errno = errno;	764	int old_errno = errno;
619	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620	errno = old_errno;	766	errno = old_errno;
…		…
644	{	790	{
645	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
646	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
647	}	793	}
648		794
		795	static aio_req ecb_noinline
		796	dreq (SV *callback)
		797	{
		798	SV *cb_cv;
		799	aio_req req;
		800	int req_pri = next_pri;
		801	next_pri = EIO_PRI_DEFAULT;
		802
		803	cb_cv = get_cb (callback);
		804
		805	req = calloc (sizeof (*req), 1);
		806	if (!req)
		807	croak ("out of memory during eio_req allocation");
		808
		809	req->callback = SvREFCNT_inc (cb_cv);
		810	req->pri = req_pri;
		811
		812	return req;
		813	}
		814
649	#define dREQ \	815	#define dREQ \
650	SV *cb_cv; \	816	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		817
664	#define REQ_SEND \	818	#define REQ_SEND \
665	PUTBACK; \	819	PUTBACK; \
666	req_submit (req); \	820	req_submit (req); \
667	SPAGAIN; \	821	SPAGAIN; \
668	\	822	\
669	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
670	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
671		825
		826	ecb_inline void
		827	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		828	{
		829	if (expect_false (SvROK (path)))
		830	{
		831	SV *rv = SvRV (path);
		832	SV *wdob;
		833
		834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
		841	*wd = SvAIO_WD (wdob);
		842	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		843	}
		844	else
		845	*wd = EIO_INVALID_WD;
		846	}
		847	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		848	{
		849	*wd = (aio_wd)(long)SvIVX (rv);
		850	*wdsv = SvREFCNT_inc_NN (rv);
		851	*ptr = ".";
		852	return; /* path set to "." */
		853	}
		854	else
		855	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		856	}
		857
		858	*pathsv = newSVsv (path);
		859	*ptr = SvPVbyte_nolen (*pathsv);
		860	}
		861
		862	static void ecb_noinline
		863	req_set_path1 (aio_req req, SV *path)
		864	{
		865	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		870	{
		871	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		872
		873	switch (SvTYPE (rv))
		874	{
		875	case SVt_PVIO:
		876	case SVt_PVLV:
		877	case SVt_PVGV:
		878	req->type = type_fh;
		879	req->sv1 = newSVsv (fh_or_path);
		880	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		881	break;
		882
		883	default:
		884	req->type = type_path;
		885	req_set_path1 (req, fh_or_path);
		886	break;
		887	}
		888	}
		889
		890	XS(boot_IO__AIO) ecb_cold;
		891
672	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
673		893
674	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
675		895
676	BOOT:	896	BOOT:
…		…
680	IV iv;	900	IV iv;
681	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
682	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
683	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
684	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
		905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
		908	const_iv (ENOSYS)
685	const_iv (EXDEV)	909	const_iv (EXDEV)
686	const_iv (ENOSYS)	910	const_iv (EBADR)
		911
		912	/* for lseek */
		913	const_iv (SEEK_DATA)
		914	const_iv (SEEK_HOLE)
		915
		916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		922
		923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		928
		929	/* the second block will be 0 when missing */
687	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
688	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
689	const_iv (O_RDWR)	932	const_iv (O_RDWR)
690	const_iv (O_CREAT)	933	const_iv (O_CREAT)
691	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
692	const_iv (O_EXCL)	935	const_iv (O_EXCL)
693	const_iv (O_APPEND)	936	const_iv (O_APPEND)
694	#ifndef _WIN32	937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
		954	const_iv (O_TTY_INIT)
		955
695	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
696	#endif	957	const_iv (S_IFCHR)
697	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	958	const_iv (S_IFBLK)
698	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	959	const_iv (S_IFLNK)
699	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	960	const_iv (S_IFREG)
700	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	961	const_iv (S_IFDIR)
701	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	962	const_iv (S_IFWHT)
702	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	963	const_iv (S_IFSOCK)
		964	const_iv (S_IFMT)
703		965
704	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
705	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
706	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
707	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
712	const_iv (ST_IMMUTABLE)	974	const_iv (ST_IMMUTABLE)
713	const_iv (ST_NOATIME)	975	const_iv (ST_NOATIME)
714	const_iv (ST_NODIRATIME)	976	const_iv (ST_NODIRATIME)
715	const_iv (ST_RELATIME)	977	const_iv (ST_RELATIME)
716		978
		979	const_iv (PROT_NONE)
717	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
718	const_iv (PROT_NONE)
719	const_iv (PROT_READ)	981	const_iv (PROT_READ)
720	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
721		983
722	/*const_iv (MAP_FIXED)*/
723	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
724	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
725	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
726		988
727	/* linuxish */	989	/* linuxish */
728	const_iv (MAP_HUGETLB)
729	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
730	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
731	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
732	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
		994	const_iv (MAP_GROWSDOWN)
		995	const_iv (MAP_32BIT)
		996	const_iv (MAP_HUGETLB)
		997	const_iv (MAP_STACK)
733		998
		999	const_iv (FIEMAP_FLAG_SYNC)
		1000	const_iv (FIEMAP_FLAG_XATTR)
		1001	const_iv (FIEMAP_FLAGS_COMPAT)
		1002	const_iv (FIEMAP_EXTENT_LAST)
		1003	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1004	const_iv (FIEMAP_EXTENT_DELALLOC)
		1005	const_iv (FIEMAP_EXTENT_ENCODED)
		1006	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1007	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1008	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1009	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1010	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1011	const_iv (FIEMAP_EXTENT_MERGED)
		1012	const_iv (FIEMAP_EXTENT_SHARED)
		1013
		1014	const_iv (SPLICE_F_MOVE)
		1015	const_iv (SPLICE_F_NONBLOCK)
		1016	const_iv (SPLICE_F_MORE)
		1017	const_iv (SPLICE_F_GIFT)
		1018
		1019	/* these are libeio constants, and are independent of gendef0 */
		1020	const_eio (SEEK_SET)
		1021	const_eio (SEEK_CUR)
		1022	const_eio (SEEK_END)
		1023
734	const_iv (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
735	const_iv (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
736		1026
737	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
738	const_eio (MS_INVALIDATE)	1028	const_eio (MS_INVALIDATE)
739	const_eio (MS_SYNC)	1029	const_eio (MS_SYNC)
740		1030
741	const_eio (MT_MODIFY)	1031	const_eio (MT_MODIFY)
742		1032
743	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
744	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
745	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1035	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1036
		1037	const_eio (FALLOC_FL_KEEP_SIZE)
		1038	const_eio (FALLOC_FL_PUNCH_HOLE)
		1039	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1040	const_eio (FALLOC_FL_ZERO_RANGE)
746		1041
747	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
748	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
749	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
750	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
761	};	1056	};
762		1057
763	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
764	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
765	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1060	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1061	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
766		1062
767	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1063	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));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
769		1065
770	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
771		1067
772	create_respipe ();	1068	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	}	1069	}
780		1070
781	void	1071	void
		1072	reinit ()
		1073	PROTOTYPE:
		1074
		1075	void
782	max_poll_reqs (int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
783	PROTOTYPE: $	1077	PROTOTYPE: $
784	CODE:	1078	CODE:
785	eio_set_max_poll_reqs (nreqs);	1079	eio_set_max_poll_reqs (nreqs);
786		1080
787	void	1081	void
…		…
789	PROTOTYPE: $	1083	PROTOTYPE: $
790	CODE:	1084	CODE:
791	eio_set_max_poll_time (nseconds);	1085	eio_set_max_poll_time (nseconds);
792		1086
793	void	1087	void
794	min_parallel (int nthreads)	1088	min_parallel (unsigned int nthreads)
795	PROTOTYPE: $	1089	PROTOTYPE: $
796	CODE:	1090	CODE:
797	eio_set_min_parallel (nthreads);	1091	eio_set_min_parallel (nthreads);
798		1092
799	void	1093	void
800	max_parallel (int nthreads)	1094	max_parallel (unsigned int nthreads)
801	PROTOTYPE: $	1095	PROTOTYPE: $
802	CODE:	1096	CODE:
803	eio_set_max_parallel (nthreads);	1097	eio_set_max_parallel (nthreads);
804		1098
805	void	1099	void
806	max_idle (int nthreads)	1100	max_idle (unsigned int nthreads)
807	PROTOTYPE: $	1101	PROTOTYPE: $
808	CODE:	1102	CODE:
809	eio_set_max_idle (nthreads);	1103	eio_set_max_idle (nthreads);
810		1104
811	void	1105	void
		1106	idle_timeout (unsigned int seconds)
		1107	PROTOTYPE: $
		1108	CODE:
		1109	eio_set_idle_timeout (seconds);
		1110
		1111	void
812	max_outstanding (int maxreqs)	1112	max_outstanding (unsigned int maxreqs)
813	PROTOTYPE: $	1113	PROTOTYPE: $
814	CODE:	1114	CODE:
815	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
816		1116
817	void	1117	void
818	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
819	PROTOTYPE: $$$;$
820	PPCODE:	1119	PPCODE:
821	{	1120	{
822	dREQ;	1121	dREQ;
823		1122
		1123	req->type = EIO_WD_OPEN;
		1124	req_set_path1 (req, pathname);
		1125
		1126	REQ_SEND;
		1127	}
		1128
		1129	void
		1130	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1131	PPCODE:
		1132	{
		1133	dREQ;
		1134
824	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
825	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
826	req->ptr1 = SvPVbyte_nolen (req->sv1);
827	req->int1 = flags;	1137	req->int1 = flags;
828	req->int2 = mode;	1138	req->int2 = mode;
829		1139
830	REQ_SEND;	1140	REQ_SEND;
831	}	1141	}
832		1142
833	void	1143	void
834	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
835	PROTOTYPE: $;$
836	ALIAS:	1145	ALIAS:
837	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
838	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
839	PPCODE:	1149	PPCODE:
840	{	1150	{
841	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
842	dREQ;	1152	dREQ;
843		1153
844	req->type = ix;	1154	req->type = ix;
845	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
846	req->int1 = fd;	1156	req->int1 = fd;
847		1157
848	REQ_SEND (req);	1158	REQ_SEND;
849	}	1159	}
850		1160
851	void	1161	void
852	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1162	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
853	PROTOTYPE: $$$$;$
854	PPCODE:	1163	PPCODE:
855	{	1164	{
856	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
857	dREQ;	1166	dREQ;
858		1167
859	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
860	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
861	req->int1 = fd;	1170	req->int1 = fd;
862	req->offs = offset;	1171	req->offs = offset;
863	req->size = nbytes;	1172	req->size = nbytes;
864	req->int2 = flags;	1173	req->int2 = flags;
865		1174
866	REQ_SEND (req);	1175	REQ_SEND;
867	}	1176	}
868		1177
869	void	1178	void
870	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1179	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
871	PROTOTYPE: $;$
872	PPCODE:	1180	PPCODE:
873	{	1181	{
874	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
875	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
876	dREQ;	1183	dREQ;
877		1184
878	if (close_pipe < 0)	1185	req->type = EIO_FALLOCATE;
		1186	req->sv1 = newSVsv (fh);
		1187	req->int1 = fd;
		1188	req->int2 = mode;
		1189	req->offs = offset;
		1190	req->size = len;
		1191
		1192	REQ_SEND;
		1193	}
		1194
		1195	void
		1196	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1197	PPCODE:
		1198	{
		1199	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1200	int fd = s_fileno_croak (fh, 0);
		1201	dREQ;
		1202
		1203	if (expect_false (close_fd < 0))
879	{	1204	{
880	int pipefd [2];	1205	int pipefd [2];
881		1206
		1207	if (
		1208	#ifdef _WIN32
		1209	_pipe (pipefd, 1, _O_BINARY) < 0
		1210	#else
882	if (pipe (pipefd) < 0	1211	pipe (pipefd) < 0
883	|| close (pipefd [1]) < 0
884	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1212	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1213	#endif
		1214	|| close (pipefd [1]) < 0
		1215	)
885	abort (); /*D*/	1216	abort (); /*D*/
886		1217
887	close_pipe = pipefd [0];	1218	close_fd = pipefd [0];
888	}	1219	}
889		1220
890	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
891	req->int1 = close_pipe;	1222	req->int1 = close_fd;
892	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
893	req->int2 = fd;	1224	req->int2 = fd;
894		1225
895	REQ_SEND (req);	1226	REQ_SEND;
896	}	1227	}
897		1228
898	void	1229	void
		1230	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1231	PPCODE:
		1232	{
		1233	int fd = s_fileno_croak (fh, 0);
		1234	dREQ;
		1235
		1236	req->type = EIO_SEEK;
		1237	req->sv1 = newSVsv (fh);
		1238	req->int1 = fd;
		1239	req->offs = SvVAL64 (offset);
		1240	req->int2 = whence;
		1241
		1242	REQ_SEND;
		1243	}
		1244
		1245	void
899	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1246	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
900	ALIAS:	1247	ALIAS:
901	aio_read = EIO_READ	1248	aio_read = EIO_READ
902	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
903	PROTOTYPE: $$$$$;$
904	PPCODE:	1250	PPCODE:
905	{	1251	{
906	STRLEN svlen;	1252	STRLEN svlen;
907	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1253	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
908	char *svptr = SvPVbyte (data, svlen);	1254	char *svptr = SvPVbyte (data, svlen);
…		…
921	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
922	}	1268	}
923	else	1269	else
924	{	1270	{
925	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
926	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
927	svptr = SvGROW (data, len + dataoffset + 1);	1273	svptr = sv_grow (data, len + dataoffset + 1);
		1274	else if (SvCUR (data) < len + dataoffset)
		1275	croak ("length + dataoffset outside of scalar, and cannot grow");
928	}	1276	}
929		1277
930	{	1278	{
931	dREQ;	1279	dREQ;
932		1280
…		…
948	REQ_SEND;	1296	REQ_SEND;
949	}	1297	}
950	}	1298	}
951		1299
952	void	1300	void
953	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1301	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
954	PROTOTYPE: $$;$	1302	ALIAS:
		1303	aio_ioctl = EIO_IOCTL
		1304	aio_fcntl = EIO_FCNTL
955	PPCODE:	1305	PPCODE:
956	{	1306	{
957	SV *data;	1307	int fd = s_fileno_croak (fh, 0);
		1308	char *svptr;
		1309
		1310	if (SvPOK (arg) || !SvNIOK (arg))
		1311	{
		1312	STRLEN svlen;
		1313	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1314	#ifdef IOCPARM_LEN
		1315	STRLEN need = IOCPARM_LEN (request);
		1316	#else
		1317	STRLEN need = 256;
		1318	#endif
		1319
		1320	if (svlen < need)
		1321	svptr = SvGROW (arg, need);
		1322	}
		1323	else
		1324	svptr = (char *)SvIV (arg);
		1325
		1326	{
		1327	dREQ;
		1328
		1329	req->type = ix;
		1330	req->sv1 = newSVsv (fh);
		1331	req->int1 = fd;
		1332	req->int2 = (long)request;
		1333	req->sv2 = SvREFCNT_inc (arg);
		1334	req->ptr2 = svptr;
		1335
		1336	REQ_SEND;
		1337	}
		1338	}
		1339
		1340	void
		1341	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1342	ALIAS:
		1343	aio_readlink = EIO_READLINK
		1344	aio_realpath = EIO_REALPATH
		1345	PPCODE:
		1346	{
958	dREQ;	1347	dREQ;
959		1348
960	req->type = EIO_READLINK;	1349	req->type = ix;
961	req->sv1 = newSVsv (path);	1350	req_set_path1 (req, pathname);
962	req->ptr1 = SvPVbyte_nolen (req->sv1);
963		1351
964	REQ_SEND;	1352	REQ_SEND;
965	}	1353	}
966		1354
967	void	1355	void
968	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1356	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
969	PROTOTYPE: $$$$;$
970	PPCODE:	1357	PPCODE:
971	{	1358	{
972	int ifd = s_fileno_croak (in_fh , 0);	1359	int ifd = s_fileno_croak (in_fh , 0);
973	int ofd = s_fileno_croak (out_fh, 1);	1360	int ofd = s_fileno_croak (out_fh, 1);
974	dREQ;	1361	dREQ;
975		1362
976	req->type = EIO_SENDFILE;	1363	req->type = EIO_SENDFILE;
977	req->sv1 = newSVsv (out_fh);	1364	req->sv1 = newSVsv (out_fh);
978	req->int1 = ofd;	1365	req->int1 = ofd;
…		…
983		1370
984	REQ_SEND;	1371	REQ_SEND;
985	}	1372	}
986		1373
987	void	1374	void
988	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1375	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
989	PROTOTYPE: $$$;$
990	PPCODE:	1376	PPCODE:
991	{	1377	{
992	int fd = s_fileno_croak (fh, 0);	1378	int fd = s_fileno_croak (fh, 0);
993	dREQ;	1379	dREQ;
994		1380
995	req->type = EIO_READAHEAD;	1381	req->type = EIO_READAHEAD;
996	req->sv1 = newSVsv (fh);	1382	req->sv1 = newSVsv (fh);
997	req->int1 = fd;	1383	req->int1 = fd;
…		…
1000		1386
1001	REQ_SEND;	1387	REQ_SEND;
1002	}	1388	}
1003		1389
1004	void	1390	void
1005	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1391	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1006	ALIAS:	1392	ALIAS:
1007	aio_stat = EIO_STAT	1393	aio_stat = EIO_STAT
1008	aio_lstat = EIO_LSTAT	1394	aio_lstat = EIO_LSTAT
1009	aio_statvfs = EIO_STATVFS	1395	aio_statvfs = EIO_STATVFS
1010	PPCODE:	1396	PPCODE:
1011	{	1397	{
1012	dREQ;	1398	dREQ;
1013		1399
1014	req->sv1 = newSVsv (fh_or_path);	1400	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		1401
1027	REQ_SEND;	1402	REQ_SEND;
1028	}	1403	}
1029		1404
		1405	UV
		1406	major (UV dev)
		1407	ALIAS:
		1408	minor = 1
		1409	CODE:
		1410	RETVAL = ix ? minor (dev) : major (dev);
		1411	OUTPUT:
		1412	RETVAL
		1413
		1414	UV
		1415	makedev (UV maj, UV min)
		1416	CODE:
		1417	RETVAL = makedev (maj, min);
		1418	OUTPUT:
		1419	RETVAL
		1420
1030	void	1421	void
1031	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1422	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1032	PPCODE:	1423	PPCODE:
1033	{	1424	{
1034	dREQ;	1425	dREQ;
1035		1426
1036	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1427	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1037	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1428	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1038	req->sv1 = newSVsv (fh_or_path);	1429	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		1430
1051	REQ_SEND;	1431	REQ_SEND;
1052	}	1432	}
1053		1433
1054	void	1434	void
1055	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1435	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1056	PPCODE:	1436	PPCODE:
1057	{	1437	{
1058	dREQ;	1438	dREQ;
1059		1439
1060	req->sv1 = newSVsv (fh_or_path);
1061	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1440	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1062		1441	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		1442
1074	REQ_SEND;	1443	REQ_SEND;
1075	}	1444	}
1076		1445
1077	void	1446	void
1078	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1447	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:	1448	PPCODE:
1083	{	1449	{
1084	dREQ;	1450	dREQ;
1085		1451
1086	req->int2 = mode;	1452	req->int2 = mode;
1087	req->sv1 = newSVsv (fh_or_path);	1453	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		1454
1100	REQ_SEND;	1455	REQ_SEND;
1101	}	1456	}
1102		1457
1103	void	1458	void
1104	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1459	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1105	PPCODE:	1460	PPCODE:
1106	{	1461	{
1107	dREQ;	1462	dREQ;
1108		1463
1109	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1464	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1110	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1465	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1111	req->sv1 = newSVsv (fh_or_path);	1466	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		1467
1124	REQ_SEND;	1468	REQ_SEND;
1125	}	1469	}
1126		1470
1127	void	1471	void
1128	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1472	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1129	PPCODE:	1473	PPCODE:
1130	{	1474	{
1131	dREQ;	1475	dREQ;
1132		1476
1133	req->type = EIO_READDIR;	1477	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;	1478	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1137		1479
1138	if (flags & EIO_READDIR_DENTS)	1480	if (flags & EIO_READDIR_DENTS)
1139	req->int1 |= EIO_READDIR_CUSTOM2;	1481	req->int1 |= EIO_READDIR_CUSTOM2;
1140		1482
		1483	req_set_path1 (req, pathname);
		1484
1141	REQ_SEND;	1485	REQ_SEND;
1142	}	1486	}
1143		1487
1144	void	1488	void
		1489	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1490	PPCODE:
		1491	{
		1492	dREQ;
		1493
		1494	req->type = EIO_MKDIR;
		1495	req->int2 = mode;
		1496	req_set_path1 (req, pathname);
		1497
		1498	REQ_SEND;
		1499	}
		1500
		1501	void
1145	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1502	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1146	ALIAS:	1503	ALIAS:
1147	aio_unlink = EIO_UNLINK	1504	aio_unlink = EIO_UNLINK
1148	aio_rmdir = EIO_RMDIR	1505	aio_rmdir = EIO_RMDIR
1149	aio_readdir = EIO_READDIR	1506	aio_readdir = EIO_READDIR
1150	PPCODE:	1507	PPCODE:
1151	{	1508	{
1152	dREQ;	1509	dREQ;
1153		1510
1154	req->type = ix;	1511	req->type = ix;
1155	req->sv1 = newSVsv (pathname);	1512	req_set_path1 (req, pathname);
1156	req->ptr1 = SvPVbyte_nolen (req->sv1);
1157		1513
1158	REQ_SEND;	1514	REQ_SEND;
1159	}	1515	}
1160		1516
1161	void	1517	void
1162	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1518	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1163	ALIAS:	1519	ALIAS:
1164	aio_link = EIO_LINK	1520	aio_link = EIO_LINK
1165	aio_symlink = EIO_SYMLINK	1521	aio_symlink = EIO_SYMLINK
1166	aio_rename = EIO_RENAME	1522	aio_rename = EIO_RENAME
1167	PPCODE:	1523	PPCODE:
1168	{	1524	{
		1525	eio_wd wd2 = 0;
1169	dREQ;	1526	dREQ;
1170		1527
1171	req->type = ix;	1528	req->type = ix;
1172	req->sv1 = newSVsv (oldpath);	1529	req_set_path1 (req, oldpath);
1173	req->ptr1 = SvPVbyte_nolen (req->sv1);	1530	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1174	req->sv2 = newSVsv (newpath);	1531	req->int3 = (long)wd2;
1175	req->ptr2 = SvPVbyte_nolen (req->sv2);
1176		1532
1177	REQ_SEND;	1533	REQ_SEND;
1178	}	1534	}
1179		1535
1180	void	1536	void
1181	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1537	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1182	PPCODE:	1538	PPCODE:
1183	{	1539	{
1184	dREQ;	1540	dREQ;
1185		1541
1186	req->type = EIO_MKNOD;	1542	req->type = EIO_MKNOD;
1187	req->sv1 = newSVsv (pathname);
1188	req->ptr1 = SvPVbyte_nolen (req->sv1);
1189	req->int2 = (mode_t)mode;	1543	req->int2 = (mode_t)mode;
1190	req->offs = dev;	1544	req->offs = dev;
		1545	req_set_path1 (req, pathname);
1191		1546
1192	REQ_SEND;	1547	REQ_SEND;
1193	}	1548	}
1194		1549
1195	void	1550	void
1196	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1551	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1197	ALIAS:	1552	ALIAS:
1198	aio_mtouch = EIO_MTOUCH	1553	aio_mtouch = EIO_MTOUCH
1199	aio_msync = EIO_MSYNC	1554	aio_msync = EIO_MSYNC
1200	PROTOTYPE: $$$$;$
1201	PPCODE:	1555	PPCODE:
1202	{	1556	{
1203	STRLEN svlen;	1557	STRLEN svlen;
		1558	char *svptr = SvPVbyte (data, svlen);
1204	UV len = SvUV (length);	1559	UV len = SvUV (length);
1205	char *svptr = SvPVbyte (data, svlen);
1206		1560
1207	if (offset < 0)	1561	if (offset < 0)
1208	offset += svlen;	1562	offset += svlen;
1209		1563
1210	if (offset < 0 || offset > svlen)	1564	if (offset < 0 || offset > svlen)
…		…
1215		1569
1216	{	1570	{
1217	dREQ;	1571	dREQ;
1218		1572
1219	req->type = ix;	1573	req->type = ix;
1220	req->size = len;
1221	req->sv2 = SvREFCNT_inc (data);	1574	req->sv2 = SvREFCNT_inc (data);
1222	req->ptr2 = (char *)svptr + offset;	1575	req->ptr2 = (char *)svptr + offset;
		1576	req->size = len;
1223	req->int1 = flags;	1577	req->int1 = flags;
1224		1578
1225	REQ_SEND;	1579	REQ_SEND;
1226	}	1580	}
1227	}	1581	}
1228		1582
1229	void	1583	void
		1584	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1585	PPCODE:
		1586	{
		1587	STRLEN svlen;
		1588	char *svptr = SvPVbyte (data, svlen);
		1589	UV len = SvUV (length);
		1590
		1591	if (offset < 0)
		1592	offset += svlen;
		1593
		1594	if (offset < 0 || offset > svlen)
		1595	croak ("offset outside of scalar");
		1596
		1597	if (!SvOK (length) || len + offset > svlen)
		1598	len = svlen - offset;
		1599
		1600	{
		1601	dREQ;
		1602
		1603	req->type = EIO_MLOCK;
		1604	req->sv2 = SvREFCNT_inc (data);
		1605	req->ptr2 = (char *)svptr + offset;
		1606	req->size = len;
		1607
		1608	REQ_SEND;
		1609	}
		1610	}
		1611
		1612	void
		1613	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1614	PPCODE:
		1615	{
		1616	dREQ;
		1617
		1618	req->type = EIO_MLOCKALL;
		1619	req->int1 = flags;
		1620
		1621	REQ_SEND;
		1622	}
		1623
		1624	void
		1625	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1626	PPCODE:
		1627	{
		1628	int fd = s_fileno_croak (fh, 0);
		1629	dREQ;
		1630
		1631	req->type = EIO_CUSTOM;
		1632	req->sv1 = newSVsv (fh);
		1633	req->int1 = fd;
		1634
		1635	req->feed = fiemap;
		1636	#if HAVE_FIEMAP
		1637	/* keep our fingers crossed that the next two types are 64 bit */
		1638	req->offs = start;
		1639	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1640	req->int2 = flags;
		1641	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1642	#endif
		1643
		1644	REQ_SEND;
		1645	}
		1646
		1647	void
1230	aio_busy (double delay, SV *callback=&PL_sv_undef)	1648	aio_busy (double delay, SV *callback = &PL_sv_undef)
1231	PPCODE:	1649	PPCODE:
1232	{	1650	{
1233	dREQ;	1651	dREQ;
1234		1652
1235	req->type = EIO_BUSY;	1653	req->type = EIO_BUSY;
…		…
1237		1655
1238	REQ_SEND;	1656	REQ_SEND;
1239	}	1657	}
1240		1658
1241	void	1659	void
1242	aio_group (SV *callback=&PL_sv_undef)	1660	aio_group (SV *callback = &PL_sv_undef)
1243	PROTOTYPE: ;$
1244	PPCODE:	1661	PPCODE:
1245	{	1662	{
1246	dREQ;	1663	dREQ;
1247		1664
1248	req->type = EIO_GROUP;	1665	req->type = EIO_GROUP;
1249		1666
		1667	PUTBACK;
1250	req_submit (req);	1668	req_submit (req);
		1669	SPAGAIN;
		1670
1251	XPUSHs (req_sv (req, aio_grp_stash));	1671	XPUSHs (req_sv (req, aio_grp_stash));
1252	}	1672	}
1253		1673
1254	void	1674	void
1255	aio_nop (SV *callback=&PL_sv_undef)	1675	aio_nop (SV *callback = &PL_sv_undef)
1256	ALIAS:	1676	ALIAS:
1257	aio_nop = EIO_NOP	1677	aio_nop = EIO_NOP
1258	aio_sync = EIO_SYNC	1678	aio_sync = EIO_SYNC
1259	PPCODE:	1679	PPCODE:
1260	{	1680	{
…		…
1264		1684
1265	REQ_SEND;	1685	REQ_SEND;
1266	}	1686	}
1267		1687
1268	int	1688	int
1269	aioreq_pri (int pri = 0)	1689	aioreq_pri (int pri = NO_INIT)
1270	PROTOTYPE: ;$
1271	CODE:	1690	CODE:
1272	RETVAL = next_pri;	1691	RETVAL = next_pri;
1273	if (items > 0)	1692	if (items > 0)
1274	{	1693	{
1275	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1694	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1287	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1706	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1288	next_pri = nice;	1707	next_pri = nice;
1289		1708
1290	void	1709	void
1291	flush ()	1710	flush ()
1292	PROTOTYPE:
1293	CODE:	1711	CODE:
1294	while (eio_nreqs ())	1712	while (eio_nreqs ())
1295	{	1713	{
1296	poll_wait ();	1714	poll_wait ();
1297	poll_cb ();	1715	poll_cb ();
1298	}	1716	}
1299		1717
1300	int	1718	int
1301	poll()	1719	poll ()
1302	PROTOTYPE:
1303	CODE:	1720	CODE:
1304	poll_wait ();	1721	poll_wait ();
1305	RETVAL = poll_cb ();	1722	RETVAL = poll_cb ();
1306	OUTPUT:	1723	OUTPUT:
1307	RETVAL	1724	RETVAL
1308		1725
1309	int	1726	int
1310	poll_fileno()	1727	poll_fileno ()
1311	PROTOTYPE:
1312	CODE:	1728	CODE:
1313	RETVAL = s_epipe_fd (&respipe);	1729	RETVAL = s_epipe_fd (&respipe);
1314	OUTPUT:	1730	OUTPUT:
1315	RETVAL	1731	RETVAL
1316		1732
1317	int	1733	int
1318	poll_cb(...)	1734	poll_cb (...)
1319	PROTOTYPE:	1735	PROTOTYPE:
1320	CODE:	1736	CODE:
1321	RETVAL = poll_cb ();	1737	RETVAL = poll_cb ();
1322	OUTPUT:	1738	OUTPUT:
1323	RETVAL	1739	RETVAL
1324		1740
1325	void	1741	void
1326	poll_wait()	1742	poll_wait ()
1327	PROTOTYPE:
1328	CODE:	1743	CODE:
1329	poll_wait ();	1744	poll_wait ();
1330		1745
1331	int	1746	int
1332	nreqs()	1747	nreqs ()
1333	PROTOTYPE:
1334	CODE:	1748	CODE:
1335	RETVAL = eio_nreqs ();	1749	RETVAL = eio_nreqs ();
1336	OUTPUT:	1750	OUTPUT:
1337	RETVAL	1751	RETVAL
1338		1752
1339	int	1753	int
1340	nready()	1754	nready ()
1341	PROTOTYPE:
1342	CODE:	1755	CODE:
1343	RETVAL = eio_nready ();	1756	RETVAL = eio_nready ();
1344	OUTPUT:	1757	OUTPUT:
1345	RETVAL	1758	RETVAL
1346		1759
1347	int	1760	int
1348	npending()	1761	npending ()
1349	PROTOTYPE:
1350	CODE:	1762	CODE:
1351	RETVAL = eio_npending ();	1763	RETVAL = eio_npending ();
1352	OUTPUT:	1764	OUTPUT:
1353	RETVAL	1765	RETVAL
1354		1766
1355	int	1767	int
1356	nthreads()	1768	nthreads ()
1357	PROTOTYPE:
1358	CODE:	1769	CODE:
1359	RETVAL = eio_nthreads ();	1770	RETVAL = eio_nthreads ();
1360	OUTPUT:	1771	OUTPUT:
1361	RETVAL	1772	RETVAL
1362		1773
1363	int	1774	int
1364	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1775	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1365	PROTOTYPE: $$$$
1366	CODE:	1776	CODE:
1367	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1368	RETVAL = posix_fadvise (fh, offset, length, advice);	1777	RETVAL = posix_fadvise (fh, offset, length, advice);
1369	#else
1370	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1371	#endif
1372	OUTPUT:	1778	OUTPUT:
1373	RETVAL	1779	RETVAL
1374		1780
1375	ssize_t	1781	IV
1376	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1782	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1377	PROTOTYPE: $$$$
1378	CODE:	1783	CODE:
1379	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1784	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1380	OUTPUT:	1785	OUTPUT:
1381	RETVAL	1786	RETVAL
1382		1787
1383	void	1788	void
1384	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1789	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1385	PROTOTYPE: $$$$$;$
1386	PPCODE:	1790	PPCODE:
1387	sv_unmagic (scalar, MMAP_MAGIC);	1791	sv_unmagic (scalar, MMAP_MAGIC);
1388	{	1792	{
1389	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1793	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1390	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1794	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1413	XSRETURN_YES;	1817	XSRETURN_YES;
1414	}	1818	}
1415		1819
1416	void	1820	void
1417	munmap (SV *scalar)	1821	munmap (SV *scalar)
1418	PROTOTYPE: $
1419	CODE:	1822	CODE:
1420	sv_unmagic (scalar, MMAP_MAGIC);	1823	sv_unmagic (scalar, MMAP_MAGIC);
1421		1824
1422	int	1825	int
1423	mlockall (int flags)	1826	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1424	PROTOTYPE: $	1827	ALIAS:
		1828	mprotect = 1
1425	CODE:	1829	CODE:
		1830	{
		1831	STRLEN svlen;
		1832	void *addr = SvPVbyte (scalar, svlen);
		1833	STRLEN len = SvUV (length);
		1834
		1835	if (offset < 0)
		1836	offset += svlen;
		1837
		1838	if (offset < 0 || offset > svlen)
		1839	croak ("offset outside of scalar");
		1840
		1841	if (!SvOK (length) || len + offset > svlen)
		1842	len = svlen - offset;
		1843
		1844	addr = (void *)(((intptr_t)addr) + offset);
		1845	eio_page_align (&addr, &len);
		1846
		1847	switch (ix)
		1848	{
		1849	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1850	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1851	}
		1852	}
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int
		1857	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1858	CODE:
		1859	{
		1860	STRLEN svlen;
		1861	void *addr = SvPVbyte (scalar, svlen);
		1862	size_t len = SvUV (length);
		1863
		1864	if (offset < 0)
		1865	offset += svlen;
		1866
		1867	if (offset < 0 || offset > svlen)
		1868	croak ("offset outside of scalar");
		1869
		1870	if (!SvOK (length) || len + offset > svlen)
		1871	len = svlen - offset;
		1872
		1873	addr = (void *)(((intptr_t)addr) + offset);
		1874	eio_page_align (&addr, &len);
1426	#if _POSIX_MEMLOCK	1875	#if _POSIX_MEMLOCK_RANGE
1427	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1876	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	1877	#else
1433	RETVAL = -1;	1878	RETVAL = EIO_ENOSYS ();
1434	errno = ENOSYS;
1435	#endif	1879	#endif
		1880	}
1436	OUTPUT:	1881	OUTPUT:
1437	RETVAL	1882	RETVAL
1438		1883
1439	int	1884	int
1440	munlockall ()	1885	munlockall ()
1441	PROTOTYPE:
1442	CODE:	1886	CODE:
1443	#if _POSIX_MEMLOCK	1887	#if _POSIX_MEMLOCK
1444	munlockall ();	1888	munlockall ();
1445	#else	1889	#else
1446	RETVAL = -1;	1890	RETVAL = EIO_ENOSYS ();
1447	errno = ENOSYS;
1448	#endif	1891	#endif
1449	OUTPUT:	1892	OUTPUT:
1450	RETVAL	1893	RETVAL
		1894
		1895	int
		1896	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1897	CODE:
		1898	{
		1899	#if HAVE_LINUX_SPLICE
		1900	loff_t off_in_, off_out_;
		1901	RETVAL = splice (
		1902	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1903	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1904	length, flags
		1905	);
		1906	#else
		1907	RETVAL = EIO_ENOSYS ();
		1908	#endif
		1909	}
		1910	OUTPUT:
		1911	RETVAL
		1912
		1913	int
		1914	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1915	CODE:
		1916	#if HAVE_LINUX_SPLICE
		1917	RETVAL = tee (rfh, wfh, length, flags);
		1918	#else
		1919	RETVAL = EIO_ENOSYS ();
		1920	#endif
		1921	OUTPUT:
		1922	RETVAL
		1923
		1924	int
		1925	pipesize (aio_rfd rfh, int new_size = -1)
		1926	PROTOTYPE: $;$
		1927	CODE:
		1928	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1929	if (new_size >= 0)
		1930	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1931	else
		1932	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1933	#else
		1934	errno = ENOSYS;
		1935	RETVAL = -1;
		1936	#endif
		1937	OUTPUT:
		1938	RETVAL
		1939
		1940	void
		1941	pipe2 (int flags = 0)
		1942	PROTOTYPE: ;$
		1943	PPCODE:
		1944	{
		1945	int fd[2];
		1946	int res;
		1947
		1948	if (flags)
		1949	#if HAVE_PIPE2
		1950	res = pipe2 (fd, flags);
		1951	#else
		1952	res = (errno = ENOSYS, -1);
		1953	#endif
		1954	else
		1955	res = pipe (fd);
		1956
		1957	if (!res)
		1958	{
		1959	EXTEND (SP, 2);
		1960	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1961	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1962	}
		1963	}
1451		1964
1452	void _on_next_submit (SV *cb)	1965	void _on_next_submit (SV *cb)
1453	CODE:	1966	CODE:
1454	SvREFCNT_dec (on_next_submit);	1967	SvREFCNT_dec (on_next_submit);
1455	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1968	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1456		1969
1457	PROTOTYPES: DISABLE	1970	PROTOTYPES: DISABLE
1458		1971
		1972	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1973
		1974	BOOT:
		1975	{
		1976	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1977	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1978	}
		1979
		1980	void
		1981	DESTROY (SV *self)
		1982	CODE:
		1983	{
		1984	aio_wd wd = SvAIO_WD (self);
		1985	#if HAVE_AT
		1986	{
		1987	SV *callback = &PL_sv_undef;
		1988	dREQ; /* clobbers next_pri :/ */
		1989	next_pri = req->pri; /* restore next_pri */
		1990	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1991	req->type = EIO_WD_CLOSE;
		1992	req->wd = wd;
		1993	REQ_SEND;
		1994	}
		1995	#else
		1996	eio_wd_close_sync (wd);
		1997	#endif
		1998	}
		1999
1459	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2000	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1460		2001
1461	void	2002	void
1462	cancel (aio_req_ornot req)	2003	cancel (aio_req_ornot req)
1463	CODE:	2004	CODE:
1464	eio_cancel (req);	2005	eio_cancel (req);
1465		2006
1466	void	2007	void
1467	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2008	cb (aio_req_ornot req, SV *callback = NO_INIT)
1468	PPCODE:	2009	PPCODE:
1469	{	2010	{
1470	if (GIMME_V != G_VOID)	2011	if (GIMME_V != G_VOID)
1471	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2012	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1472		2013
1473	if (items > 1)	2014	if (items > 1)
1474	{	2015	{
1475	SV *cb_cv =get_cb (callback);	2016	SV *cb_cv = get_cb (callback);
1476		2017
1477	SvREFCNT_dec (req->callback);	2018	SvREFCNT_dec (req->callback);
1478	req->callback = SvREFCNT_inc (cb_cv);	2019	req->callback = SvREFCNT_inc (cb_cv);
1479	}	2020	}
1480	}	2021	}
…		…
1537	limit (aio_req grp, int limit)	2078	limit (aio_req grp, int limit)
1538	CODE:	2079	CODE:
1539	eio_grp_limit (grp, limit);	2080	eio_grp_limit (grp, limit);
1540		2081
1541	void	2082	void
1542	feed (aio_req grp, SV *callback=&PL_sv_undef)	2083	feed (aio_req grp, SV *callback = &PL_sv_undef)
1543	CODE:	2084	CODE:
1544	{	2085	{
1545	SvREFCNT_dec (grp->sv2);	2086	SvREFCNT_dec (grp->sv2);
1546	grp->sv2 = newSVsv (callback);	2087	grp->sv2 = newSVsv (callback);
1547	grp->feed = aio_grp_feed;	2088	grp->feed = aio_grp_feed;

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