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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.166 by root, Sun May 9 20:43:28 2010 UTC vs.
Revision 1.236 by root, Thu Jun 25 17:40:24 2015 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
501	case EIO_DUP2:	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
		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 (reslock);
573	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
574	X_UNLOCK (reslock);	711	X_UNLOCK (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;
621		767
622	mg->mg_obj = 0; /* just in case */	768	mg->mg_obj = 0; /* just in case */
623		769
624	SvREADONLY_off (sv);	770	SvREADONLY_off (sv);
		771
		772	if (SvPVX (sv) != mg->mg_ptr)
		773	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		774
625	SvCUR_set (sv, 0);	775	SvCUR_set (sv, 0);
626	SvLEN_set (sv, 0);
627	SvPVX (sv) = 0;	776	SvPVX (sv) = 0;
628	SvOK_off (sv);	777	SvOK_off (sv);
629		778
630	return 0;	779	return 0;
631	}	780	}
…		…
641	{	790	{
642	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
643	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644	}	793	}
645		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
646	#define dREQ \	815	#define dREQ \
647	SV *cb_cv; \	816	aio_req req = dreq (callback); \
648	aio_req req; \
649	int req_pri = next_pri; \
650	next_pri = EIO_PRI_DEFAULT; \
651	\
652	cb_cv = get_cb (callback); \
653	\
654	Newz (0, req, 1, eio_req); \
655	if (!req) \
656	croak ("out of memory during eio_req allocation"); \
657	\
658	req->callback = SvREFCNT_inc (cb_cv); \
659	req->pri = req_pri
660		817
661	#define REQ_SEND \	818	#define REQ_SEND \
662	PUTBACK; \	819	PUTBACK; \
663	req_submit (req); \	820	req_submit (req); \
664	SPAGAIN; \	821	SPAGAIN; \
665	\	822	\
666	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
667	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
668		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
669	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
670		893
671	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
672		895
673	BOOT:	896	BOOT:
…		…
677	IV iv;	900	IV iv;
678	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
679	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
680	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
681	# 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)
682	const_iv (EXDEV)	909	const_iv (EXDEV)
683	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 */
684	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
685	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
686	const_iv (O_RDWR)	932	const_iv (O_RDWR)
687	const_iv (O_CREAT)	933	const_iv (O_CREAT)
688	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
689	const_iv (O_EXCL)	935	const_iv (O_EXCL)
690	const_iv (O_APPEND)	936	const_iv (O_APPEND)
691	#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
692	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
693	#endif	957	const_iv (S_IFCHR)
694	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	958	const_iv (S_IFBLK)
695	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	959	const_iv (S_IFLNK)
696	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	960	const_iv (S_IFREG)
697	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	961	const_iv (S_IFDIR)
698	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	962	const_iv (S_IFWHT)
699	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	963	const_iv (S_IFSOCK)
		964	const_iv (S_IFMT)
700		965
701	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
702	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
703	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
704	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
709	const_iv (ST_IMMUTABLE)	974	const_iv (ST_IMMUTABLE)
710	const_iv (ST_NOATIME)	975	const_iv (ST_NOATIME)
711	const_iv (ST_NODIRATIME)	976	const_iv (ST_NODIRATIME)
712	const_iv (ST_RELATIME)	977	const_iv (ST_RELATIME)
713		978
		979	const_iv (PROT_NONE)
714	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
715	const_iv (PROT_NONE)
716	const_iv (PROT_READ)	981	const_iv (PROT_READ)
717	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
718		983
719	/*const_iv (MAP_FIXED)*/
720	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
721	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
722	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
723		988
724	/* linuxish */	989	/* linuxish */
725	const_iv (MAP_HUGETLB)	990	const_iv (MAP_HUGETLB)
726	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
727	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
728	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
729	const_iv (MAP_NONBLOCK)	994	const_iv (MAP_NONBLOCK)
		995	const_iv (MAP_GROWSDOWN)
		996	const_iv (MAP_32BIT)
		997	const_iv (MAP_HUGETLB)
		998	const_iv (MAP_STACK)
730		999
		1000	const_iv (FIEMAP_FLAG_SYNC)
		1001	const_iv (FIEMAP_FLAG_XATTR)
		1002	const_iv (FIEMAP_FLAGS_COMPAT)
		1003	const_iv (FIEMAP_EXTENT_LAST)
		1004	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1005	const_iv (FIEMAP_EXTENT_DELALLOC)
		1006	const_iv (FIEMAP_EXTENT_ENCODED)
		1007	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1008	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1009	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1010	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1011	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1012	const_iv (FIEMAP_EXTENT_MERGED)
		1013	const_iv (FIEMAP_EXTENT_SHARED)
		1014
		1015	const_iv (SPLICE_F_MOVE)
		1016	const_iv (SPLICE_F_NONBLOCK)
		1017	const_iv (SPLICE_F_MORE)
		1018	const_iv (SPLICE_F_GIFT)
		1019
		1020	/* these are libeio constants, and are independent of gendef0 */
		1021	const_eio (SEEK_SET)
		1022	const_eio (SEEK_CUR)
		1023	const_eio (SEEK_END)
		1024
731	const_iv (MCL_FUTURE)	1025	const_eio (MCL_FUTURE)
732	const_iv (MCL_CURRENT)	1026	const_eio (MCL_CURRENT)
733		1027
734	const_eio (MS_ASYNC)	1028	const_eio (MS_ASYNC)
735	const_eio (MS_INVALIDATE)	1029	const_eio (MS_INVALIDATE)
736	const_eio (MS_SYNC)	1030	const_eio (MS_SYNC)
737		1031
738	const_eio (MT_MODIFY)	1032	const_eio (MT_MODIFY)
739		1033
740	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1034	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741	const_eio (SYNC_FILE_RANGE_WRITE)	1035	const_eio (SYNC_FILE_RANGE_WRITE)
742	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1036	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1037
		1038	const_eio (FALLOC_FL_KEEP_SIZE)
		1039	const_eio (FALLOC_FL_PUNCH_HOLE)
		1040	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1041	const_eio (FALLOC_FL_ZERO_RANGE)
743		1042
744	const_eio (READDIR_DENTS)	1043	const_eio (READDIR_DENTS)
745	const_eio (READDIR_DIRS_FIRST)	1044	const_eio (READDIR_DIRS_FIRST)
746	const_eio (READDIR_STAT_ORDER)	1045	const_eio (READDIR_STAT_ORDER)
747	const_eio (READDIR_FOUND_UNKNOWN)	1046	const_eio (READDIR_FOUND_UNKNOWN)
…		…
758	};	1057	};
759		1058
760	aio_stash = gv_stashpv ("IO::AIO" , 1);	1059	aio_stash = gv_stashpv ("IO::AIO" , 1);
761	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1060	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1061	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1062	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
763		1063
764	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1064	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
765	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1065	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
766		1066
767	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1067	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768		1068
769	create_respipe ();	1069	reinit ();
770
771	if (eio_init (want_poll, done_poll) < 0)
772	croak ("IO::AIO: unable to initialise eio library");
773
774	/* atfork child called in fifo order, so before eio's handler */
775	X_THREAD_ATFORK (0, 0, atfork_child);
776	}	1070	}
777		1071
778	void	1072	void
		1073	reinit ()
		1074	PROTOTYPE:
		1075
		1076	void
779	max_poll_reqs (int nreqs)	1077	max_poll_reqs (unsigned int nreqs)
780	PROTOTYPE: $	1078	PROTOTYPE: $
781	CODE:	1079	CODE:
782	eio_set_max_poll_reqs (nreqs);	1080	eio_set_max_poll_reqs (nreqs);
783		1081
784	void	1082	void
…		…
786	PROTOTYPE: $	1084	PROTOTYPE: $
787	CODE:	1085	CODE:
788	eio_set_max_poll_time (nseconds);	1086	eio_set_max_poll_time (nseconds);
789		1087
790	void	1088	void
791	min_parallel (int nthreads)	1089	min_parallel (unsigned int nthreads)
792	PROTOTYPE: $	1090	PROTOTYPE: $
793	CODE:	1091	CODE:
794	eio_set_min_parallel (nthreads);	1092	eio_set_min_parallel (nthreads);
795		1093
796	void	1094	void
797	max_parallel (int nthreads)	1095	max_parallel (unsigned int nthreads)
798	PROTOTYPE: $	1096	PROTOTYPE: $
799	CODE:	1097	CODE:
800	eio_set_max_parallel (nthreads);	1098	eio_set_max_parallel (nthreads);
801		1099
802	void	1100	void
803	max_idle (int nthreads)	1101	max_idle (unsigned int nthreads)
804	PROTOTYPE: $	1102	PROTOTYPE: $
805	CODE:	1103	CODE:
806	eio_set_max_idle (nthreads);	1104	eio_set_max_idle (nthreads);
807		1105
808	void	1106	void
		1107	idle_timeout (unsigned int seconds)
		1108	PROTOTYPE: $
		1109	CODE:
		1110	eio_set_idle_timeout (seconds);
		1111
		1112	void
809	max_outstanding (int maxreqs)	1113	max_outstanding (unsigned int maxreqs)
810	PROTOTYPE: $	1114	PROTOTYPE: $
811	CODE:	1115	CODE:
812	max_outstanding = maxreqs;	1116	max_outstanding = maxreqs;
813		1117
814	void	1118	void
815	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1119	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
816	PROTOTYPE: $$$;$
817	PPCODE:	1120	PPCODE:
818	{	1121	{
819	dREQ;	1122	dREQ;
820		1123
		1124	req->type = EIO_WD_OPEN;
		1125	req_set_path1 (req, pathname);
		1126
		1127	REQ_SEND;
		1128	}
		1129
		1130	void
		1131	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1132	PPCODE:
		1133	{
		1134	dREQ;
		1135
821	req->type = EIO_OPEN;	1136	req->type = EIO_OPEN;
822	req->sv1 = newSVsv (pathname);	1137	req_set_path1 (req, pathname);
823	req->ptr1 = SvPVbyte_nolen (req->sv1);
824	req->int1 = flags;	1138	req->int1 = flags;
825	req->int2 = mode;	1139	req->int2 = mode;
826		1140
827	REQ_SEND;	1141	REQ_SEND;
828	}	1142	}
829		1143
830	void	1144	void
831	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1145	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
832	PROTOTYPE: $;$
833	ALIAS:	1146	ALIAS:
834	aio_fsync = EIO_FSYNC	1147	aio_fsync = EIO_FSYNC
835	aio_fdatasync = EIO_FDATASYNC	1148	aio_fdatasync = EIO_FDATASYNC
		1149	aio_syncfs = EIO_SYNCFS
836	PPCODE:	1150	PPCODE:
837	{	1151	{
838	int fd = s_fileno_croak (fh, 0);	1152	int fd = s_fileno_croak (fh, 0);
839	dREQ;	1153	dREQ;
840		1154
841	req->type = ix;	1155	req->type = ix;
842	req->sv1 = newSVsv (fh);	1156	req->sv1 = newSVsv (fh);
843	req->int1 = fd;	1157	req->int1 = fd;
844		1158
845	REQ_SEND (req);	1159	REQ_SEND;
846	}	1160	}
847		1161
848	void	1162	void
849	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1163	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
850	PROTOTYPE: $$$$;$
851	PPCODE:	1164	PPCODE:
852	{	1165	{
853	int fd = s_fileno_croak (fh, 0);	1166	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1167	dREQ;
855		1168
856	req->type = EIO_SYNC_FILE_RANGE;	1169	req->type = EIO_SYNC_FILE_RANGE;
857	req->sv1 = newSVsv (fh);	1170	req->sv1 = newSVsv (fh);
858	req->int1 = fd;	1171	req->int1 = fd;
859	req->offs = offset;	1172	req->offs = offset;
860	req->size = nbytes;	1173	req->size = nbytes;
861	req->int2 = flags;	1174	req->int2 = flags;
862		1175
863	REQ_SEND (req);	1176	REQ_SEND;
864	}	1177	}
865		1178
866	void	1179	void
867	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1180	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
868	PROTOTYPE: $;$
869	PPCODE:	1181	PPCODE:
870	{	1182	{
871	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872	int fd = s_fileno_croak (fh, 0);	1183	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1184	dREQ;
874		1185
875	if (close_pipe < 0)	1186	req->type = EIO_FALLOCATE;
		1187	req->sv1 = newSVsv (fh);
		1188	req->int1 = fd;
		1189	req->int2 = mode;
		1190	req->offs = offset;
		1191	req->size = len;
		1192
		1193	REQ_SEND;
		1194	}
		1195
		1196	void
		1197	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1198	PPCODE:
		1199	{
		1200	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1201	int fd = s_fileno_croak (fh, 0);
		1202	dREQ;
		1203
		1204	if (expect_false (close_fd < 0))
876	{	1205	{
877	int pipefd [2];	1206	int pipefd [2];
878		1207
		1208	if (
		1209	#ifdef _WIN32
		1210	_pipe (pipefd, 1, _O_BINARY) < 0
		1211	#else
879	if (pipe (pipefd) < 0	1212	pipe (pipefd) < 0
880	|| close (pipefd [1]) < 0
881	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1213	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1214	#endif
		1215	|| close (pipefd [1]) < 0
		1216	)
882	abort (); /*D*/	1217	abort (); /*D*/
883		1218
884	close_pipe = pipefd [0];	1219	close_fd = pipefd [0];
885	}	1220	}
886		1221
887	req->type = EIO_DUP2;	1222	req->type = EIO_DUP2;
888	req->int1 = close_pipe;	1223	req->int1 = close_fd;
889	req->sv2 = newSVsv (fh);	1224	req->sv2 = newSVsv (fh);
890	req->int2 = fd;	1225	req->int2 = fd;
891		1226
892	REQ_SEND (req);	1227	REQ_SEND;
893	}	1228	}
894		1229
895	void	1230	void
		1231	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1232	PPCODE:
		1233	{
		1234	int fd = s_fileno_croak (fh, 0);
		1235	dREQ;
		1236
		1237	req->type = EIO_SEEK;
		1238	req->sv1 = newSVsv (fh);
		1239	req->int1 = fd;
		1240	req->offs = SvVAL64 (offset);
		1241	req->int2 = whence;
		1242
		1243	REQ_SEND;
		1244	}
		1245
		1246	void
896	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1247	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
897	ALIAS:	1248	ALIAS:
898	aio_read = EIO_READ	1249	aio_read = EIO_READ
899	aio_write = EIO_WRITE	1250	aio_write = EIO_WRITE
900	PROTOTYPE: $$$$$;$
901	PPCODE:	1251	PPCODE:
902	{	1252	{
903	STRLEN svlen;	1253	STRLEN svlen;
904	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1254	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905	char *svptr = SvPVbyte (data, svlen);	1255	char *svptr = SvPVbyte (data, svlen);
…		…
918	len = svlen - dataoffset;	1268	len = svlen - dataoffset;
919	}	1269	}
920	else	1270	else
921	{	1271	{
922	/* read: check type and grow scalar as necessary */	1272	/* read: check type and grow scalar as necessary */
923	SvUPGRADE (data, SVt_PV);	1273	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
924	svptr = SvGROW (data, len + dataoffset + 1);	1274	svptr = sv_grow (data, len + dataoffset + 1);
		1275	else if (SvCUR (data) < len + dataoffset)
		1276	croak ("length + dataoffset outside of scalar, and cannot grow");
925	}	1277	}
926		1278
927	{	1279	{
928	dREQ;	1280	dREQ;
929		1281
…		…
945	REQ_SEND;	1297	REQ_SEND;
946	}	1298	}
947	}	1299	}
948		1300
949	void	1301	void
950	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1302	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
951	PROTOTYPE: $$;$	1303	ALIAS:
		1304	aio_readlink = EIO_READLINK
		1305	aio_realpath = EIO_REALPATH
952	PPCODE:	1306	PPCODE:
953	{	1307	{
954	SV *data;
955	dREQ;	1308	dREQ;
956		1309
957	req->type = EIO_READLINK;	1310	req->type = ix;
958	req->sv1 = newSVsv (path);	1311	req_set_path1 (req, pathname);
959	req->ptr1 = SvPVbyte_nolen (req->sv1);
960		1312
961	REQ_SEND;	1313	REQ_SEND;
962	}	1314	}
963		1315
964	void	1316	void
965	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1317	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
966	PROTOTYPE: $$$$;$
967	PPCODE:	1318	PPCODE:
968	{	1319	{
969	int ifd = s_fileno_croak (in_fh , 0);	1320	int ifd = s_fileno_croak (in_fh , 0);
970	int ofd = s_fileno_croak (out_fh, 1);	1321	int ofd = s_fileno_croak (out_fh, 1);
971	dREQ;	1322	dREQ;
972		1323
973	req->type = EIO_SENDFILE;	1324	req->type = EIO_SENDFILE;
974	req->sv1 = newSVsv (out_fh);	1325	req->sv1 = newSVsv (out_fh);
975	req->int1 = ofd;	1326	req->int1 = ofd;
…		…
980		1331
981	REQ_SEND;	1332	REQ_SEND;
982	}	1333	}
983		1334
984	void	1335	void
985	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1336	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
986	PROTOTYPE: $$$;$
987	PPCODE:	1337	PPCODE:
988	{	1338	{
989	int fd = s_fileno_croak (fh, 0);	1339	int fd = s_fileno_croak (fh, 0);
990	dREQ;	1340	dREQ;
991		1341
992	req->type = EIO_READAHEAD;	1342	req->type = EIO_READAHEAD;
993	req->sv1 = newSVsv (fh);	1343	req->sv1 = newSVsv (fh);
994	req->int1 = fd;	1344	req->int1 = fd;
…		…
997		1347
998	REQ_SEND;	1348	REQ_SEND;
999	}	1349	}
1000		1350
1001	void	1351	void
1002	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1352	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1003	ALIAS:	1353	ALIAS:
1004	aio_stat = EIO_STAT	1354	aio_stat = EIO_STAT
1005	aio_lstat = EIO_LSTAT	1355	aio_lstat = EIO_LSTAT
1006	aio_statvfs = EIO_STATVFS	1356	aio_statvfs = EIO_STATVFS
1007	PPCODE:	1357	PPCODE:
1008	{	1358	{
1009	dREQ;	1359	dREQ;
1010		1360
1011	req->sv1 = newSVsv (fh_or_path);	1361	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1012
1013	if (SvPOK (req->sv1))
1014	{
1015	req->type = ix;
1016	req->ptr1 = SvPVbyte_nolen (req->sv1);
1017	}
1018	else
1019	{
1020	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1021	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1022	}
1023		1362
1024	REQ_SEND;	1363	REQ_SEND;
1025	}	1364	}
1026		1365
		1366	UV
		1367	major (UV dev)
		1368	ALIAS:
		1369	minor = 1
		1370	CODE:
		1371	RETVAL = ix ? major (dev) : minor (dev);
		1372	OUTPUT:
		1373	RETVAL
		1374
		1375	UV
		1376	makedev (UV maj, UV min)
		1377	CODE:
		1378	RETVAL = makedev (maj, min);
		1379	OUTPUT:
		1380	RETVAL
		1381
1027	void	1382	void
1028	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1383	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1029	PPCODE:	1384	PPCODE:
1030	{	1385	{
1031	dREQ;	1386	dREQ;
1032		1387
1033	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1388	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1034	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1389	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1035	req->sv1 = newSVsv (fh_or_path);	1390	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1036
1037	if (SvPOK (req->sv1))
1038	{
1039	req->type = EIO_UTIME;
1040	req->ptr1 = SvPVbyte_nolen (req->sv1);
1041	}
1042	else
1043	{
1044	req->type = EIO_FUTIME;
1045	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1046	}
1047		1391
1048	REQ_SEND;	1392	REQ_SEND;
1049	}	1393	}
1050		1394
1051	void	1395	void
1052	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1396	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1053	PPCODE:	1397	PPCODE:
1054	{	1398	{
1055	dREQ;	1399	dREQ;
1056		1400
1057	req->sv1 = newSVsv (fh_or_path);
1058	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1401	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1059		1402	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1060	if (SvPOK (req->sv1))
1061	{
1062	req->type = EIO_TRUNCATE;
1063	req->ptr1 = SvPVbyte_nolen (req->sv1);
1064	}
1065	else
1066	{
1067	req->type = EIO_FTRUNCATE;
1068	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1069	}
1070		1403
1071	REQ_SEND;	1404	REQ_SEND;
1072	}	1405	}
1073		1406
1074	void	1407	void
1075	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1408	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1076	ALIAS:
1077	aio_chmod = EIO_CHMOD
1078	aio_mkdir = EIO_MKDIR
1079	PPCODE:	1409	PPCODE:
1080	{	1410	{
1081	dREQ;	1411	dREQ;
1082		1412
1083	req->int2 = mode;	1413	req->int2 = mode;
1084	req->sv1 = newSVsv (fh_or_path);	1414	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1085
1086	if (SvPOK (req->sv1))
1087	{
1088	req->type = ix;
1089	req->ptr1 = SvPVbyte_nolen (req->sv1);
1090	}
1091	else
1092	{
1093	req->type = EIO_FCHMOD;
1094	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095	}
1096		1415
1097	REQ_SEND;	1416	REQ_SEND;
1098	}	1417	}
1099		1418
1100	void	1419	void
1101	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1420	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1102	PPCODE:	1421	PPCODE:
1103	{	1422	{
1104	dREQ;	1423	dREQ;
1105		1424
1106	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1425	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1107	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1426	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1108	req->sv1 = newSVsv (fh_or_path);	1427	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1109
1110	if (SvPOK (req->sv1))
1111	{
1112	req->type = EIO_CHOWN;
1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
1114	}
1115	else
1116	{
1117	req->type = EIO_FCHOWN;
1118	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1119	}
1120		1428
1121	REQ_SEND;	1429	REQ_SEND;
1122	}	1430	}
1123		1431
1124	void	1432	void
1125	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1433	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1126	PPCODE:	1434	PPCODE:
1127	{	1435	{
1128	dREQ;	1436	dREQ;
1129		1437
1130	req->type = EIO_READDIR;	1438	req->type = EIO_READDIR;
1131	req->sv1 = newSVsv (pathname);
1132	req->ptr1 = SvPVbyte_nolen (req->sv1);
1133	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1439	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1134		1440
1135	if (flags & EIO_READDIR_DENTS)	1441	if (flags & EIO_READDIR_DENTS)
1136	req->int1 |= EIO_READDIR_CUSTOM2;	1442	req->int1 |= EIO_READDIR_CUSTOM2;
1137		1443
		1444	req_set_path1 (req, pathname);
		1445
1138	REQ_SEND;	1446	REQ_SEND;
1139	}	1447	}
1140		1448
1141	void	1449	void
		1450	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1451	PPCODE:
		1452	{
		1453	dREQ;
		1454
		1455	req->type = EIO_MKDIR;
		1456	req->int2 = mode;
		1457	req_set_path1 (req, pathname);
		1458
		1459	REQ_SEND;
		1460	}
		1461
		1462	void
1142	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1463	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1143	ALIAS:	1464	ALIAS:
1144	aio_unlink = EIO_UNLINK	1465	aio_unlink = EIO_UNLINK
1145	aio_rmdir = EIO_RMDIR	1466	aio_rmdir = EIO_RMDIR
1146	aio_readdir = EIO_READDIR	1467	aio_readdir = EIO_READDIR
1147	PPCODE:	1468	PPCODE:
1148	{	1469	{
1149	dREQ;	1470	dREQ;
1150		1471
1151	req->type = ix;	1472	req->type = ix;
1152	req->sv1 = newSVsv (pathname);	1473	req_set_path1 (req, pathname);
1153	req->ptr1 = SvPVbyte_nolen (req->sv1);
1154		1474
1155	REQ_SEND;	1475	REQ_SEND;
1156	}	1476	}
1157		1477
1158	void	1478	void
1159	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1479	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1160	ALIAS:	1480	ALIAS:
1161	aio_link = EIO_LINK	1481	aio_link = EIO_LINK
1162	aio_symlink = EIO_SYMLINK	1482	aio_symlink = EIO_SYMLINK
1163	aio_rename = EIO_RENAME	1483	aio_rename = EIO_RENAME
1164	PPCODE:	1484	PPCODE:
1165	{	1485	{
		1486	eio_wd wd2 = 0;
1166	dREQ;	1487	dREQ;
1167		1488
1168	req->type = ix;	1489	req->type = ix;
1169	req->sv1 = newSVsv (oldpath);	1490	req_set_path1 (req, oldpath);
1170	req->ptr1 = SvPVbyte_nolen (req->sv1);	1491	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1171	req->sv2 = newSVsv (newpath);	1492	req->int3 = (long)wd2;
1172	req->ptr2 = SvPVbyte_nolen (req->sv2);
1173		1493
1174	REQ_SEND;	1494	REQ_SEND;
1175	}	1495	}
1176		1496
1177	void	1497	void
1178	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1498	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1179	PPCODE:	1499	PPCODE:
1180	{	1500	{
1181	dREQ;	1501	dREQ;
1182		1502
1183	req->type = EIO_MKNOD;	1503	req->type = EIO_MKNOD;
1184	req->sv1 = newSVsv (pathname);
1185	req->ptr1 = SvPVbyte_nolen (req->sv1);
1186	req->int2 = (mode_t)mode;	1504	req->int2 = (mode_t)mode;
1187	req->offs = dev;	1505	req->offs = dev;
		1506	req_set_path1 (req, pathname);
1188		1507
1189	REQ_SEND;	1508	REQ_SEND;
1190	}	1509	}
1191		1510
1192	void	1511	void
1193	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1512	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1194	ALIAS:	1513	ALIAS:
1195	aio_mtouch = EIO_MTOUCH	1514	aio_mtouch = EIO_MTOUCH
1196	aio_msync = EIO_MSYNC	1515	aio_msync = EIO_MSYNC
1197	PROTOTYPE: $$$$;$
1198	PPCODE:	1516	PPCODE:
1199	{	1517	{
1200	STRLEN svlen;	1518	STRLEN svlen;
		1519	char *svptr = SvPVbyte (data, svlen);
1201	UV len = SvUV (length);	1520	UV len = SvUV (length);
1202	char *svptr = SvPVbyte (data, svlen);
1203		1521
1204	if (offset < 0)	1522	if (offset < 0)
1205	offset += svlen;	1523	offset += svlen;
1206		1524
1207	if (offset < 0 || offset > svlen)	1525	if (offset < 0 || offset > svlen)
…		…
1212		1530
1213	{	1531	{
1214	dREQ;	1532	dREQ;
1215		1533
1216	req->type = ix;	1534	req->type = ix;
1217	req->size = len;
1218	req->sv2 = SvREFCNT_inc (data);	1535	req->sv2 = SvREFCNT_inc (data);
1219	req->ptr2 = (char *)svptr + offset;	1536	req->ptr2 = (char *)svptr + offset;
		1537	req->size = len;
1220	req->int1 = flags;	1538	req->int1 = flags;
1221		1539
1222	REQ_SEND;	1540	REQ_SEND;
1223	}	1541	}
1224	}	1542	}
1225		1543
1226	void	1544	void
		1545	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1546	PPCODE:
		1547	{
		1548	STRLEN svlen;
		1549	char *svptr = SvPVbyte (data, svlen);
		1550	UV len = SvUV (length);
		1551
		1552	if (offset < 0)
		1553	offset += svlen;
		1554
		1555	if (offset < 0 || offset > svlen)
		1556	croak ("offset outside of scalar");
		1557
		1558	if (!SvOK (length) || len + offset > svlen)
		1559	len = svlen - offset;
		1560
		1561	{
		1562	dREQ;
		1563
		1564	req->type = EIO_MLOCK;
		1565	req->sv2 = SvREFCNT_inc (data);
		1566	req->ptr2 = (char *)svptr + offset;
		1567	req->size = len;
		1568
		1569	REQ_SEND;
		1570	}
		1571	}
		1572
		1573	void
		1574	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1575	PPCODE:
		1576	{
		1577	dREQ;
		1578
		1579	req->type = EIO_MLOCKALL;
		1580	req->int1 = flags;
		1581
		1582	REQ_SEND;
		1583	}
		1584
		1585	void
		1586	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1587	PPCODE:
		1588	{
		1589	int fd = s_fileno_croak (fh, 0);
		1590	dREQ;
		1591
		1592	req->type = EIO_CUSTOM;
		1593	req->sv1 = newSVsv (fh);
		1594	req->int1 = fd;
		1595
		1596	req->feed = fiemap;
		1597	#if HAVE_FIEMAP
		1598	/* keep our fingers crossed that the next two types are 64 bit */
		1599	req->offs = start;
		1600	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1601	req->int2 = flags;
		1602	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1603	#endif
		1604
		1605	REQ_SEND;
		1606	}
		1607
		1608	void
1227	aio_busy (double delay, SV *callback=&PL_sv_undef)	1609	aio_busy (double delay, SV *callback = &PL_sv_undef)
1228	PPCODE:	1610	PPCODE:
1229	{	1611	{
1230	dREQ;	1612	dREQ;
1231		1613
1232	req->type = EIO_BUSY;	1614	req->type = EIO_BUSY;
…		…
1234		1616
1235	REQ_SEND;	1617	REQ_SEND;
1236	}	1618	}
1237		1619
1238	void	1620	void
1239	aio_group (SV *callback=&PL_sv_undef)	1621	aio_group (SV *callback = &PL_sv_undef)
1240	PROTOTYPE: ;$
1241	PPCODE:	1622	PPCODE:
1242	{	1623	{
1243	dREQ;	1624	dREQ;
1244		1625
1245	req->type = EIO_GROUP;	1626	req->type = EIO_GROUP;
1246		1627
		1628	PUTBACK;
1247	req_submit (req);	1629	req_submit (req);
		1630	SPAGAIN;
		1631
1248	XPUSHs (req_sv (req, aio_grp_stash));	1632	XPUSHs (req_sv (req, aio_grp_stash));
1249	}	1633	}
1250		1634
1251	void	1635	void
1252	aio_nop (SV *callback=&PL_sv_undef)	1636	aio_nop (SV *callback = &PL_sv_undef)
1253	ALIAS:	1637	ALIAS:
1254	aio_nop = EIO_NOP	1638	aio_nop = EIO_NOP
1255	aio_sync = EIO_SYNC	1639	aio_sync = EIO_SYNC
1256	PPCODE:	1640	PPCODE:
1257	{	1641	{
…		…
1261		1645
1262	REQ_SEND;	1646	REQ_SEND;
1263	}	1647	}
1264		1648
1265	int	1649	int
1266	aioreq_pri (int pri = 0)	1650	aioreq_pri (int pri = NO_INIT)
1267	PROTOTYPE: ;$
1268	CODE:	1651	CODE:
1269	RETVAL = next_pri;	1652	RETVAL = next_pri;
1270	if (items > 0)	1653	if (items > 0)
1271	{	1654	{
1272	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1655	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1284	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1667	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285	next_pri = nice;	1668	next_pri = nice;
1286		1669
1287	void	1670	void
1288	flush ()	1671	flush ()
1289	PROTOTYPE:
1290	CODE:	1672	CODE:
1291	while (eio_nreqs ())	1673	while (eio_nreqs ())
1292	{	1674	{
1293	poll_wait ();	1675	poll_wait ();
1294	poll_cb ();	1676	poll_cb ();
1295	}	1677	}
1296		1678
1297	int	1679	int
1298	poll()	1680	poll ()
1299	PROTOTYPE:
1300	CODE:	1681	CODE:
1301	poll_wait ();	1682	poll_wait ();
1302	RETVAL = poll_cb ();	1683	RETVAL = poll_cb ();
1303	OUTPUT:	1684	OUTPUT:
1304	RETVAL	1685	RETVAL
1305		1686
1306	int	1687	int
1307	poll_fileno()	1688	poll_fileno ()
1308	PROTOTYPE:
1309	CODE:	1689	CODE:
1310	RETVAL = s_epipe_fd (&respipe);	1690	RETVAL = s_epipe_fd (&respipe);
1311	OUTPUT:	1691	OUTPUT:
1312	RETVAL	1692	RETVAL
1313		1693
1314	int	1694	int
1315	poll_cb(...)	1695	poll_cb (...)
1316	PROTOTYPE:	1696	PROTOTYPE:
1317	CODE:	1697	CODE:
1318	RETVAL = poll_cb ();	1698	RETVAL = poll_cb ();
1319	OUTPUT:	1699	OUTPUT:
1320	RETVAL	1700	RETVAL
1321		1701
1322	void	1702	void
1323	poll_wait()	1703	poll_wait ()
1324	PROTOTYPE:
1325	CODE:	1704	CODE:
1326	poll_wait ();	1705	poll_wait ();
1327		1706
1328	int	1707	int
1329	nreqs()	1708	nreqs ()
1330	PROTOTYPE:
1331	CODE:	1709	CODE:
1332	RETVAL = eio_nreqs ();	1710	RETVAL = eio_nreqs ();
1333	OUTPUT:	1711	OUTPUT:
1334	RETVAL	1712	RETVAL
1335		1713
1336	int	1714	int
1337	nready()	1715	nready ()
1338	PROTOTYPE:
1339	CODE:	1716	CODE:
1340	RETVAL = eio_nready ();	1717	RETVAL = eio_nready ();
1341	OUTPUT:	1718	OUTPUT:
1342	RETVAL	1719	RETVAL
1343		1720
1344	int	1721	int
1345	npending()	1722	npending ()
1346	PROTOTYPE:
1347	CODE:	1723	CODE:
1348	RETVAL = eio_npending ();	1724	RETVAL = eio_npending ();
1349	OUTPUT:	1725	OUTPUT:
1350	RETVAL	1726	RETVAL
1351		1727
1352	int	1728	int
1353	nthreads()	1729	nthreads ()
1354	PROTOTYPE:
1355	CODE:	1730	CODE:
1356	RETVAL = eio_nthreads ();	1731	RETVAL = eio_nthreads ();
1357	OUTPUT:	1732	OUTPUT:
1358	RETVAL	1733	RETVAL
1359		1734
1360	int	1735	int
1361	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1736	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362	PROTOTYPE: $$$$
1363	CODE:	1737	CODE:
1364	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365	RETVAL = posix_fadvise (fh, offset, length, advice);	1738	RETVAL = posix_fadvise (fh, offset, length, advice);
1366	#else
1367	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368	#endif
1369	OUTPUT:	1739	OUTPUT:
1370	RETVAL	1740	RETVAL
1371		1741
1372	ssize_t	1742	IV
1373	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1743	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374	PROTOTYPE: $$$$
1375	CODE:	1744	CODE:
1376	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1745	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377	OUTPUT:	1746	OUTPUT:
1378	RETVAL	1747	RETVAL
1379		1748
1380	void	1749	void
1381	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1750	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1382	PROTOTYPE: $$$$$;$
1383	PPCODE:	1751	PPCODE:
1384	sv_unmagic (scalar, MMAP_MAGIC);	1752	sv_unmagic (scalar, MMAP_MAGIC);
1385	{	1753	{
1386	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1754	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1755	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388	if (addr == (void *)-1)	1756	if (addr == (void *)-1)
1389	XSRETURN_NO;	1757	XSRETURN_NO;
1390		1758
		1759	sv_force_normal (scalar);
		1760
1391	/* we store the length in mg_obj, as namlen is I32 :/ */	1761	/* we store the length in mg_obj, as namlen is I32 :/ */
1392	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1762	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393	->mg_obj = (SV *)length;	1763	->mg_obj = (SV *)length;
1394		1764
1395	SvUPGRADE (scalar, SVt_PV); /* nop... */	1765	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1766
1396	if (!(prot & PROT_WRITE))	1767	if (!(prot & PROT_WRITE))
1397	SvREADONLY_on (scalar);	1768	SvREADONLY_on (scalar);
		1769
		1770	if (SvLEN (scalar))
		1771	Safefree (SvPVX (scalar));
1398		1772
1399	SvPVX (scalar) = (char *)addr;	1773	SvPVX (scalar) = (char *)addr;
1400	SvCUR_set (scalar, length);	1774	SvCUR_set (scalar, length);
1401	SvLEN_set (scalar, 0);	1775	SvLEN_set (scalar, 0);
1402	SvPOK_only (scalar);	1776	SvPOK_only (scalar);
…		…
1404	XSRETURN_YES;	1778	XSRETURN_YES;
1405	}	1779	}
1406		1780
1407	void	1781	void
1408	munmap (SV *scalar)	1782	munmap (SV *scalar)
1409	PROTOTYPE: $
1410	CODE:	1783	CODE:
1411	sv_unmagic (scalar, MMAP_MAGIC);	1784	sv_unmagic (scalar, MMAP_MAGIC);
1412		1785
1413	int	1786	int
1414	mlockall (int flags)	1787	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1415	PROTOTYPE: $	1788	ALIAS:
		1789	mprotect = 1
1416	CODE:	1790	CODE:
		1791	{
		1792	STRLEN svlen;
		1793	void *addr = SvPVbyte (scalar, svlen);
		1794	STRLEN len = SvUV (length);
		1795
		1796	if (offset < 0)
		1797	offset += svlen;
		1798
		1799	if (offset < 0 || offset > svlen)
		1800	croak ("offset outside of scalar");
		1801
		1802	if (!SvOK (length) || len + offset > svlen)
		1803	len = svlen - offset;
		1804
		1805	addr = (void *)(((intptr_t)addr) + offset);
		1806	eio_page_align (&addr, &len);
		1807
		1808	switch (ix)
		1809	{
		1810	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1811	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1812	}
		1813	}
		1814	OUTPUT:
		1815	RETVAL
		1816
		1817	int
		1818	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1819	CODE:
		1820	{
		1821	STRLEN svlen;
		1822	void *addr = SvPVbyte (scalar, svlen);
		1823	size_t len = SvUV (length);
		1824
		1825	if (offset < 0)
		1826	offset += svlen;
		1827
		1828	if (offset < 0 || offset > svlen)
		1829	croak ("offset outside of scalar");
		1830
		1831	if (!SvOK (length) || len + offset > svlen)
		1832	len = svlen - offset;
		1833
		1834	addr = (void *)(((intptr_t)addr) + offset);
		1835	eio_page_align (&addr, &len);
1417	#if _POSIX_MEMLOCK	1836	#if _POSIX_MEMLOCK_RANGE
1418	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1837	RETVAL = munlock (addr, len);
1419	extern int mallopt (int, int);
1420	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421	#endif
1422	mlockall (flags);
1423	#else	1838	#else
1424	RETVAL = -1;	1839	RETVAL = EIO_ENOSYS ();
1425	errno = ENOSYS;
1426	#endif	1840	#endif
		1841	}
1427	OUTPUT:	1842	OUTPUT:
1428	RETVAL	1843	RETVAL
1429		1844
1430	int	1845	int
1431	munlockall ()	1846	munlockall ()
1432	PROTOTYPE:
1433	CODE:	1847	CODE:
1434	#if _POSIX_MEMLOCK	1848	#if _POSIX_MEMLOCK
1435	munlockall ();	1849	munlockall ();
1436	#else	1850	#else
1437	RETVAL = -1;	1851	RETVAL = EIO_ENOSYS ();
1438	errno = ENOSYS;
1439	#endif	1852	#endif
1440	OUTPUT:	1853	OUTPUT:
1441	RETVAL	1854	RETVAL
		1855
		1856	int
		1857	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1858	CODE:
		1859	{
		1860	#if HAVE_LINUX_SPLICE
		1861	loff_t off_in_, off_out_;
		1862	RETVAL = splice (
		1863	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1864	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1865	length, flags
		1866	);
		1867	#else
		1868	RETVAL = EIO_ENOSYS ();
		1869	#endif
		1870	}
		1871	OUTPUT:
		1872	RETVAL
		1873
		1874	int
		1875	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1876	CODE:
		1877	#if HAVE_LINUX_SPLICE
		1878	RETVAL = tee (rfh, wfh, length, flags);
		1879	#else
		1880	RETVAL = EIO_ENOSYS ();
		1881	#endif
		1882	OUTPUT:
		1883	RETVAL
		1884
		1885	int
		1886	pipesize (aio_rfd rfh, int new_size = -1)
		1887	PROTOTYPE: $;$
		1888	CODE:
		1889	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1890	if (new_size >= 0)
		1891	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1892	else
		1893	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1894	#else
		1895	errno = ENOSYS;
		1896	RETVAL = -1;
		1897	#endif
		1898	OUTPUT:
		1899	RETVAL
		1900
		1901	void
		1902	pipe2 (int flags = 0)
		1903	PROTOTYPE: ;$
		1904	PPCODE:
		1905	{
		1906	int fd[2];
		1907	int res;
		1908
		1909	if (flags)
		1910	#if HAVE_PIPE2
		1911	res = pipe2 (fd, flags);
		1912	#else
		1913	res = (errno = ENOSYS, -1);
		1914	#endif
		1915	else
		1916	res = pipe (fd);
		1917
		1918	if (!res)
		1919	{
		1920	EXTEND (SP, 2);
		1921	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1922	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1923	}
		1924	}
1442		1925
1443	void _on_next_submit (SV *cb)	1926	void _on_next_submit (SV *cb)
1444	CODE:	1927	CODE:
1445	SvREFCNT_dec (on_next_submit);	1928	SvREFCNT_dec (on_next_submit);
1446	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1929	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1447		1930
1448	PROTOTYPES: DISABLE	1931	PROTOTYPES: DISABLE
1449		1932
		1933	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1934
		1935	BOOT:
		1936	{
		1937	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1938	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1939	}
		1940
		1941	void
		1942	DESTROY (SV *self)
		1943	CODE:
		1944	{
		1945	aio_wd wd = SvAIO_WD (self);
		1946	#if HAVE_AT
		1947	{
		1948	SV *callback = &PL_sv_undef;
		1949	dREQ; /* clobbers next_pri :/ */
		1950	next_pri = req->pri; /* restore next_pri */
		1951	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1952	req->type = EIO_WD_CLOSE;
		1953	req->wd = wd;
		1954	REQ_SEND;
		1955	}
		1956	#else
		1957	eio_wd_close_sync (wd);
		1958	#endif
		1959	}
		1960
1450	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1961	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1451		1962
1452	void	1963	void
1453	cancel (aio_req_ornot req)	1964	cancel (aio_req_ornot req)
1454	CODE:	1965	CODE:
1455	eio_cancel (req);	1966	eio_cancel (req);
1456		1967
1457	void	1968	void
1458	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1969	cb (aio_req_ornot req, SV *callback = NO_INIT)
1459	PPCODE:	1970	PPCODE:
1460	{	1971	{
1461	if (GIMME_V != G_VOID)	1972	if (GIMME_V != G_VOID)
1462	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1973	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1463		1974
1464	if (items > 1)	1975	if (items > 1)
1465	{	1976	{
1466	SV *cb_cv =get_cb (callback);	1977	SV *cb_cv = get_cb (callback);
1467		1978
1468	SvREFCNT_dec (req->callback);	1979	SvREFCNT_dec (req->callback);
1469	req->callback = SvREFCNT_inc (cb_cv);	1980	req->callback = SvREFCNT_inc (cb_cv);
1470	}	1981	}
1471	}	1982	}
…		…
1528	limit (aio_req grp, int limit)	2039	limit (aio_req grp, int limit)
1529	CODE:	2040	CODE:
1530	eio_grp_limit (grp, limit);	2041	eio_grp_limit (grp, limit);
1531		2042
1532	void	2043	void
1533	feed (aio_req grp, SV *callback=&PL_sv_undef)	2044	feed (aio_req grp, SV *callback = &PL_sv_undef)
1534	CODE:	2045	CODE:
1535	{	2046	{
1536	SvREFCNT_dec (grp->sv2);	2047	SvREFCNT_dec (grp->sv2);
1537	grp->sv2 = newSVsv (callback);	2048	grp->sv2 = newSVsv (callback);
1538	grp->feed = aio_grp_feed;	2049	grp->feed = aio_grp_feed;

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