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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.172 by root, Sun Sep 12 03:36:27 2010 UTC vs.
Revision 1.238 by root, Thu Jan 21 23:04:46 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	#if _XOPEN_SOURCE < 600 || NO_FADVISE	131	#include "libeio/eio.c"
		132
		133	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	135	#endif
148		136
149	#ifndef POSIX_MADV_NORMAL	137	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef PROT_NONE
171	# define PROT_NONE 0
172	#endif
173	#ifndef PROT_READ
174	# define PROT_READ 0
175	#endif
176	#ifndef PROT_WRITE
177	# define PROT_READ 0
178	#endif
179	#ifndef PROT_EXEC
180	# define PROT_EXEC 0
181	#endif
182
183	#ifndef ST_NODEV
184	# define ST_NODEV 0
185	#endif
186	#ifndef ST_NOEXEC
187	# define ST_NOEXEC 0
188	#endif
189	#ifndef ST_SYNCHRONOUS
190	# define ST_SYNCHRONOUS 0
191	#endif
192	#ifndef ST_MANDLOCK
193	# define ST_MANDLOCK 0
194	#endif
195	#ifndef ST_WRITE
196	# define ST_WRITE 0
197	#endif
198	#ifndef ST_APPEND
199	# define ST_APPEND 0
200	#endif
201	#ifndef ST_IMMUTABLE
202	# define ST_IMMUTABLE 0
203	#endif
204	#ifndef ST_NOATIME
205	# define ST_NOATIME 0
206	#endif
207	#ifndef ST_NODIRATIME
208	# define ST_NODIRATIME 0
209	#endif
210	#ifndef ST_RELATIME
211	# define ST_RELATIME 0
212	#endif	139	#endif
213		140
214	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
215	# ifdef MAP_ANON	142	# ifdef MAP_ANON
216	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
217	# else	144	# else
218	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219	# endif	146	# endif
220	#endif	147	#endif
221	#ifndef MAP_HUGETLB
222	# define MAP_HUGETLB 0
223	#endif
224	#ifndef MAP_LOCKED
225	# define MAP_LOCKED 0
226	#endif
227	#ifndef MAP_NORESERVE
228	# define MAP_NORESERVE 0
229	#endif
230	#ifndef MAP_POPULATE
231	# define MAP_POPULATE 0
232	#endif
233	#ifndef MAP_NONBLOCK
234	# define MAP_NONBLOCK 0
235	#endif
236		148
237	#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
238	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
239	#endif	165	#endif
240		166
241	static int req_invoke (eio_req *req);	167	/*****************************************************************************/
242	#define EIO_FINISH(req) req_invoke (req)	168
243	static void req_destroy (eio_req *grp);	169	static void
244	#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	/*****************************************************************************/
245		266
246	enum {	267	enum {
247	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
248	};	269	};
249		270
250	#include "libeio/eio.c"
251
252	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
253	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
254		274
255	static SV *on_next_submit;	275	static SV *on_next_submit;
256	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
257	static int max_outstanding;	277	static int max_outstanding;
258		278
259	static s_epipe respipe;	279	static s_epipe respipe;
260		280
261	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
262	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
263		283
264	static void want_poll (void)	284	static void
		285	want_poll (void)
265	{	286	{
266	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
267	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
268	}	289	}
269		290
270	static void done_poll (void)	291	static void
		292	done_poll (void)
271	{	293	{
272	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
273	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
274	}	296	}
275		297
276	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
277	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
278	{	301	{
279	if (!req->self)	302	if (!req->self)
280	{	303	{
281	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
282	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
283	}	306	}
284		307
285	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
286	}	309	}
287		310
288	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)
289	{	319	{
290	MAGIC *mg;	320	MAGIC *mg;
291		321
292	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
293	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
294	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
295	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
296	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
297		328
298	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
299		330
300	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
301	}	332	}
302		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
303	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
304	{	372	{
305	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
306	{	374	{
307	dSP;	375	dSP;
308		376
…		…
316	FREETMPS;	384	FREETMPS;
317	LEAVE;	385	LEAVE;
318	}	386	}
319	}	387	}
320		388
		389	static void
321	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
322	{	391	{
323	eio_submit (req);	392	eio_submit (req);
324		393
325	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
326	{	395	{
…		…
333	PUTBACK;	402	PUTBACK;
334	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
335	}	404	}
336	}	405	}
337		406
		407	static int
338	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
339	{	409	{
340	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
341	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
342		412
343	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
…		…
354	/* do not recreate the result IV from scratch each time */	424	/* do not recreate the result IV from scratch each time */
355	if (expect_true (sv_result_cache))	425	if (expect_true (sv_result_cache))
356	{	426	{
357	sv_result = sv_result_cache; sv_result_cache = 0;	427	sv_result = sv_result_cache; sv_result_cache = 0;
358	SvIV_set (sv_result, req->result);	428	SvIV_set (sv_result, req->result);
		429	SvIOK_only (sv_result);
359	}	430	}
360	else	431	else
361	{	432	{
362	sv_result = newSViv (req->result);	433	sv_result = newSViv (req->result);
363	SvREADONLY_on (sv_result);	434	SvREADONLY_on (sv_result);
364	}	435	}
365		436
366	switch (req->type)	437	switch (req->type)
367	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
368	case EIO_READDIR:	443	case EIO_READDIR:
369	{	444	{
370	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
371		446
372	if (req->result >= 0)	447	if (req->result >= 0)
…		…
425	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))));
426	}	501	}
427	break;	502	break;
428		503
429	case EIO_OPEN:	504	case EIO_OPEN:
430	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
431	/* convert fd to fh */
432	SV *fh = &PL_sv_undef;
433
434	if (req->result >= 0)
435	{
436	GV *gv = (GV *)sv_newmortal ();
437	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
438	char sym [64];
439	int symlen;
440
441	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
442	gv_init (gv, aio_stash, sym, symlen, 0);
443
444	symlen = snprintf (
445	sym,
446	sizeof (sym),
447	"%s&=%d",
448	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
449	(int)req->result
450	);
451
452	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
453	fh = (SV *)gv;
454	}
455
456	PUSHs (fh);
457	}
458	break;	506	break;
459		507
460	case EIO_STATVFS:	508	case EIO_STATVFS:
461	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
462	{	510	{
463	SV *rv = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
464		512
		513	#ifndef _WIN32
465	if (req->result >= 0)	514	if (req->result >= 0)
466	{	515	{
467	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468	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));
469		523
470	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
471		525
472	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);
473	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);
…		…
475	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);
476	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);
477	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);
478	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);
479	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);
480	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
481	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);
482	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);
483	}	537	}
		538	#endif
484		539
485	PUSHs (rv);	540	PUSHs (rv);
486	}	541	}
487		542
488	break;	543	break;
…		…
504	case EIO_NOP:	559	case EIO_NOP:
505	case EIO_BUSY:	560	case EIO_BUSY:
506	break;	561	break;
507		562
508	case EIO_READLINK:	563	case EIO_READLINK:
		564	case EIO_REALPATH:
509	if (req->result > 0)	565	if (req->result > 0)
510	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	566	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511	break;	567	break;
512		568
513	case EIO_STAT:	569	case EIO_STAT:
514	case EIO_LSTAT:	570	case EIO_LSTAT:
515	case EIO_FSTAT:	571	case EIO_FSTAT:
516	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
517	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
518	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		577
519	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)));
520	break;	583	break;
521		584
522	case EIO_READ:	585	case EIO_READ:
523	{	586	{
524	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));
…		…
527	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
528	PUSHs (sv_result);	591	PUSHs (sv_result);
529	}	592	}
530	break;	593	break;
531		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
532	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 */
533	if (req->result > 0)	636	if (req->result > 0)
534	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
535	/* FALLTHROUGH */	638	/* FALLTHROUGH */
536		639
537	default:	640	default:
…		…
557	}	660	}
558		661
559	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
560	}	663	}
561		664
		665	static void
562	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
563	{	667	{
564	if (req->self)	668	if (req->self)
565	{	669	{
566	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
567	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
568	}	672	}
569		673
570	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
571	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
572	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
573		679
574	Safefree (req);	680	free (req);
575	}	681	}
576		682
		683	static void
577	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
578	{	685	{
579	aio_req sub;
580
581	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
582	return;	687	return;
583		688
584	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
585	grp->sv2 = 0;	690	grp->sv2 = 0;
586		691
587	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
588	}	693	}
589		694
590	static void	695	static void ecb_cold
591	create_respipe (void)	696	create_respipe (void)
592	{	697	{
593	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
594	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
595	}	700	}
596		701
597	static void poll_wait (void)	702	static void
		703	poll_wait (void)
598	{	704	{
599	while (eio_nreqs ())	705	while (eio_nreqs ())
600	{	706	{
601	int size;	707	int size;
602		708
603	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
604	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
605	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
606		712
607	if (size)	713	if (size)
608	return;	714	return;
609		715
610	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
611		717
612	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
613	}	719	}
614	}	720	}
615		721
616	static int poll_cb (void)	722	static int
		723	poll_cb (void)
617	{	724	{
618	for (;;)	725	for (;;)
619	{	726	{
620	int res = eio_poll ();	727	int res = eio_poll ();
621		728
…		…
627		734
628	poll_wait ();	735	poll_wait ();
629	}	736	}
630	}	737	}
631		738
632	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
633	{	741	{
634	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
635	}	746	}
636		747
637	/*****************************************************************************/	748	/*****************************************************************************/
638		749
639	#if !_POSIX_MAPPED_FILES	750	#if !_POSIX_MAPPED_FILES
640	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
641	# define munmap(addr,length) (errno = ENOSYS, -1)	752	# define munmap(addr,length) EIO_ENOSYS ()
		753	#endif
		754
		755	#if !_POSIX_MEMORY_PROTECTION
642	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
643	#endif	757	#endif
644		758
645	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
646		760
647	static int	761	static int ecb_cold
648	mmap_free (pTHX_ SV *sv, MAGIC *mg)	762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
649	{	763	{
650	int old_errno = errno;	764	int old_errno = errno;
651	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
652	errno = old_errno;	766	errno = old_errno;
…		…
676	{	790	{
677	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
678	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
679	}	793	}
680		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
681	#define dREQ \	815	#define dREQ \
682	SV *cb_cv; \	816	aio_req req = dreq (callback); \
683	aio_req req; \
684	int req_pri = next_pri; \
685	next_pri = EIO_PRI_DEFAULT; \
686	\
687	cb_cv = get_cb (callback); \
688	\
689	Newz (0, req, 1, eio_req); \
690	if (!req) \
691	croak ("out of memory during eio_req allocation"); \
692	\
693	req->callback = SvREFCNT_inc (cb_cv); \
694	req->pri = req_pri
695		817
696	#define REQ_SEND \	818	#define REQ_SEND \
697	PUTBACK; \	819	PUTBACK; \
698	req_submit (req); \	820	req_submit (req); \
699	SPAGAIN; \	821	SPAGAIN; \
700	\	822	\
701	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
702	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
703		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
704	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
705		893
706	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
707		895
708	BOOT:	896	BOOT:
…		…
712	IV iv;	900	IV iv;
713	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
714	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
715	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
716	# 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)
717	const_iv (EXDEV)	909	const_iv (EXDEV)
718	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 */
719	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
720	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
721	const_iv (O_RDWR)	932	const_iv (O_RDWR)
722	const_iv (O_CREAT)	933	const_iv (O_CREAT)
723	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
724	const_iv (O_EXCL)	935	const_iv (O_EXCL)
725	const_iv (O_APPEND)	936	const_iv (O_APPEND)
726	#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
727	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
728	#endif	957	const_iv (S_IFCHR)
729	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	958	const_iv (S_IFBLK)
730	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	959	const_iv (S_IFLNK)
731	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	960	const_iv (S_IFREG)
732	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	961	const_iv (S_IFDIR)
733	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	962	const_iv (S_IFWHT)
734	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	963	const_iv (S_IFSOCK)
735		964	const_iv (S_IFMT)
736	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
737	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
738	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
739	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
740	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
741		965
742	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
743	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
744	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
745	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
755	const_iv (PROT_NONE)	979	const_iv (PROT_NONE)
756	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
757	const_iv (PROT_READ)	981	const_iv (PROT_READ)
758	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
759		983
760	/*const_iv (MAP_FIXED)*/
761	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
762	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
763	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
764		988
765	/* linuxish */	989	/* linuxish */
766	const_iv (MAP_HUGETLB)
767	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
768	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
769	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
770	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)
		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)
771		1023
772	const_eio (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
773	const_eio (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
774		1026
775	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
…		…
779	const_eio (MT_MODIFY)	1031	const_eio (MT_MODIFY)
780		1032
781	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
782	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
783	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)
784		1041
785	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
786	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
787	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
788	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
799	};	1056	};
800		1057
801	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
802	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
803	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);
804		1062
805	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--)
806	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
807		1065
808	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
809		1067
810	create_respipe ();	1068	reinit ();
811
812	if (eio_init (want_poll, done_poll) < 0)
813	croak ("IO::AIO: unable to initialise eio library");
814
815	/* atfork child called in fifo order, so before eio's handler */
816	X_THREAD_ATFORK (0, 0, atfork_child);
817	}	1069	}
818		1070
819	void	1071	void
		1072	reinit ()
		1073	PROTOTYPE:
		1074
		1075	void
820	max_poll_reqs (int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
821	PROTOTYPE: $	1077	PROTOTYPE: $
822	CODE:	1078	CODE:
823	eio_set_max_poll_reqs (nreqs);	1079	eio_set_max_poll_reqs (nreqs);
824		1080
825	void	1081	void
…		…
827	PROTOTYPE: $	1083	PROTOTYPE: $
828	CODE:	1084	CODE:
829	eio_set_max_poll_time (nseconds);	1085	eio_set_max_poll_time (nseconds);
830		1086
831	void	1087	void
832	min_parallel (int nthreads)	1088	min_parallel (unsigned int nthreads)
833	PROTOTYPE: $	1089	PROTOTYPE: $
834	CODE:	1090	CODE:
835	eio_set_min_parallel (nthreads);	1091	eio_set_min_parallel (nthreads);
836		1092
837	void	1093	void
838	max_parallel (int nthreads)	1094	max_parallel (unsigned int nthreads)
839	PROTOTYPE: $	1095	PROTOTYPE: $
840	CODE:	1096	CODE:
841	eio_set_max_parallel (nthreads);	1097	eio_set_max_parallel (nthreads);
842		1098
843	void	1099	void
844	max_idle (int nthreads)	1100	max_idle (unsigned int nthreads)
845	PROTOTYPE: $	1101	PROTOTYPE: $
846	CODE:	1102	CODE:
847	eio_set_max_idle (nthreads);	1103	eio_set_max_idle (nthreads);
848		1104
849	void	1105	void
		1106	idle_timeout (unsigned int seconds)
		1107	PROTOTYPE: $
		1108	CODE:
		1109	eio_set_idle_timeout (seconds);
		1110
		1111	void
850	max_outstanding (int maxreqs)	1112	max_outstanding (unsigned int maxreqs)
851	PROTOTYPE: $	1113	PROTOTYPE: $
852	CODE:	1114	CODE:
853	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
854		1116
855	void	1117	void
856	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
857	PPCODE:	1119	PPCODE:
858	{	1120	{
859	dREQ;	1121	dREQ;
860		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
861	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
862	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
863	req->ptr1 = SvPVbyte_nolen (req->sv1);
864	req->int1 = flags;	1137	req->int1 = flags;
865	req->int2 = mode;	1138	req->int2 = mode;
866		1139
867	REQ_SEND;	1140	REQ_SEND;
868	}	1141	}
869		1142
870	void	1143	void
871	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
872	ALIAS:	1145	ALIAS:
873	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
874	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
875	PPCODE:	1149	PPCODE:
876	{	1150	{
877	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
878	dREQ;	1152	dREQ;
879		1153
880	req->type = ix;	1154	req->type = ix;
881	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
882	req->int1 = fd;	1156	req->int1 = fd;
883		1157
884	REQ_SEND (req);	1158	REQ_SEND;
885	}	1159	}
886		1160
887	void	1161	void
888	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)
889	PPCODE:	1163	PPCODE:
890	{	1164	{
891	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
892	dREQ;	1166	dREQ;
893		1167
894	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
895	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
896	req->int1 = fd;	1170	req->int1 = fd;
897	req->offs = offset;	1171	req->offs = offset;
898	req->size = nbytes;	1172	req->size = nbytes;
899	req->int2 = flags;	1173	req->int2 = flags;
900		1174
901	REQ_SEND (req);	1175	REQ_SEND;
902	}	1176	}
903		1177
904	void	1178	void
905	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)
906	PPCODE:	1180	PPCODE:
907	{	1181	{
908	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
909	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
910	dREQ;	1183	dREQ;
911		1184
912	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))
913	{	1204	{
914	int pipefd [2];	1205	int pipefd [2];
915		1206
		1207	if (
		1208	#ifdef _WIN32
		1209	_pipe (pipefd, 1, _O_BINARY) < 0
		1210	#else
916	if (pipe (pipefd) < 0	1211	pipe (pipefd) < 0
917	|| close (pipefd [1]) < 0
918	|| 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	)
919	abort (); /*D*/	1216	abort (); /*D*/
920		1217
921	close_pipe = pipefd [0];	1218	close_fd = pipefd [0];
922	}	1219	}
923		1220
924	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
925	req->int1 = close_pipe;	1222	req->int1 = close_fd;
926	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
927	req->int2 = fd;	1224	req->int2 = fd;
928		1225
929	REQ_SEND (req);	1226	REQ_SEND;
930	}	1227	}
931		1228
932	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
933	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)
934	ALIAS:	1247	ALIAS:
935	aio_read = EIO_READ	1248	aio_read = EIO_READ
936	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
937	PPCODE:	1250	PPCODE:
938	{	1251	{
…		…
954	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
955	}	1268	}
956	else	1269	else
957	{	1270	{
958	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
959	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
960	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");
961	}	1276	}
962		1277
963	{	1278	{
964	dREQ;	1279	dREQ;
965		1280
…		…
981	REQ_SEND;	1296	REQ_SEND;
982	}	1297	}
983	}	1298	}
984		1299
985	void	1300	void
986	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1301	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1302	ALIAS:
		1303	aio_readlink = EIO_READLINK
		1304	aio_realpath = EIO_REALPATH
987	PPCODE:	1305	PPCODE:
988	{	1306	{
989	SV *data;
990	dREQ;	1307	dREQ;
991		1308
992	req->type = EIO_READLINK;	1309	req->type = ix;
993	req->sv1 = newSVsv (path);	1310	req_set_path1 (req, pathname);
994	req->ptr1 = SvPVbyte_nolen (req->sv1);
995		1311
996	REQ_SEND;	1312	REQ_SEND;
997	}	1313	}
998		1314
999	void	1315	void
1000	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1316	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1001	PPCODE:	1317	PPCODE:
1002	{	1318	{
1003	int ifd = s_fileno_croak (in_fh , 0);	1319	int ifd = s_fileno_croak (in_fh , 0);
1004	int ofd = s_fileno_croak (out_fh, 1);	1320	int ofd = s_fileno_croak (out_fh, 1);
1005	dREQ;	1321	dREQ;
1006		1322
1007	req->type = EIO_SENDFILE;	1323	req->type = EIO_SENDFILE;
1008	req->sv1 = newSVsv (out_fh);	1324	req->sv1 = newSVsv (out_fh);
1009	req->int1 = ofd;	1325	req->int1 = ofd;
…		…
1014		1330
1015	REQ_SEND;	1331	REQ_SEND;
1016	}	1332	}
1017		1333
1018	void	1334	void
1019	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1335	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020	PPCODE:	1336	PPCODE:
1021	{	1337	{
1022	int fd = s_fileno_croak (fh, 0);	1338	int fd = s_fileno_croak (fh, 0);
1023	dREQ;	1339	dREQ;
1024		1340
1025	req->type = EIO_READAHEAD;	1341	req->type = EIO_READAHEAD;
1026	req->sv1 = newSVsv (fh);	1342	req->sv1 = newSVsv (fh);
1027	req->int1 = fd;	1343	req->int1 = fd;
…		…
1030		1346
1031	REQ_SEND;	1347	REQ_SEND;
1032	}	1348	}
1033		1349
1034	void	1350	void
1035	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1351	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1036	ALIAS:	1352	ALIAS:
1037	aio_stat = EIO_STAT	1353	aio_stat = EIO_STAT
1038	aio_lstat = EIO_LSTAT	1354	aio_lstat = EIO_LSTAT
1039	aio_statvfs = EIO_STATVFS	1355	aio_statvfs = EIO_STATVFS
1040	PPCODE:	1356	PPCODE:
1041	{	1357	{
1042	dREQ;	1358	dREQ;
1043		1359
1044	req->sv1 = newSVsv (fh_or_path);	1360	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1045
1046	if (SvPOK (req->sv1))
1047	{
1048	req->type = ix;
1049	req->ptr1 = SvPVbyte_nolen (req->sv1);
1050	}
1051	else
1052	{
1053	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1054	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1055	}
1056		1361
1057	REQ_SEND;	1362	REQ_SEND;
1058	}	1363	}
1059		1364
		1365	UV
		1366	major (UV dev)
		1367	ALIAS:
		1368	minor = 1
		1369	CODE:
		1370	RETVAL = ix ? major (dev) : minor (dev);
		1371	OUTPUT:
		1372	RETVAL
		1373
		1374	UV
		1375	makedev (UV maj, UV min)
		1376	CODE:
		1377	RETVAL = makedev (maj, min);
		1378	OUTPUT:
		1379	RETVAL
		1380
1060	void	1381	void
1061	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1382	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1062	PPCODE:	1383	PPCODE:
1063	{	1384	{
1064	dREQ;	1385	dREQ;
1065		1386
1066	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1387	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1067	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1388	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1068	req->sv1 = newSVsv (fh_or_path);	1389	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1069
1070	if (SvPOK (req->sv1))
1071	{
1072	req->type = EIO_UTIME;
1073	req->ptr1 = SvPVbyte_nolen (req->sv1);
1074	}
1075	else
1076	{
1077	req->type = EIO_FUTIME;
1078	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1079	}
1080		1390
1081	REQ_SEND;	1391	REQ_SEND;
1082	}	1392	}
1083		1393
1084	void	1394	void
1085	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1395	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1086	PPCODE:	1396	PPCODE:
1087	{	1397	{
1088	dREQ;	1398	dREQ;
1089		1399
1090	req->sv1 = newSVsv (fh_or_path);
1091	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1400	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1092		1401	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1093	if (SvPOK (req->sv1))
1094	{
1095	req->type = EIO_TRUNCATE;
1096	req->ptr1 = SvPVbyte_nolen (req->sv1);
1097	}
1098	else
1099	{
1100	req->type = EIO_FTRUNCATE;
1101	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1102	}
1103		1402
1104	REQ_SEND;	1403	REQ_SEND;
1105	}	1404	}
1106		1405
1107	void	1406	void
1108	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1407	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1109	ALIAS:
1110	aio_chmod = EIO_CHMOD
1111	aio_mkdir = EIO_MKDIR
1112	PPCODE:	1408	PPCODE:
1113	{	1409	{
1114	dREQ;	1410	dREQ;
1115		1411
1116	req->int2 = mode;	1412	req->int2 = mode;
1117	req->sv1 = newSVsv (fh_or_path);	1413	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1118
1119	if (SvPOK (req->sv1))
1120	{
1121	req->type = ix;
1122	req->ptr1 = SvPVbyte_nolen (req->sv1);
1123	}
1124	else
1125	{
1126	req->type = EIO_FCHMOD;
1127	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1128	}
1129		1414
1130	REQ_SEND;	1415	REQ_SEND;
1131	}	1416	}
1132		1417
1133	void	1418	void
1134	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1419	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1135	PPCODE:	1420	PPCODE:
1136	{	1421	{
1137	dREQ;	1422	dREQ;
1138		1423
1139	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1424	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1140	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1425	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1141	req->sv1 = newSVsv (fh_or_path);	1426	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1142
1143	if (SvPOK (req->sv1))
1144	{
1145	req->type = EIO_CHOWN;
1146	req->ptr1 = SvPVbyte_nolen (req->sv1);
1147	}
1148	else
1149	{
1150	req->type = EIO_FCHOWN;
1151	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1152	}
1153		1427
1154	REQ_SEND;	1428	REQ_SEND;
1155	}	1429	}
1156		1430
1157	void	1431	void
1158	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1432	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1159	PPCODE:	1433	PPCODE:
1160	{	1434	{
1161	dREQ;	1435	dREQ;
1162		1436
1163	req->type = EIO_READDIR;	1437	req->type = EIO_READDIR;
1164	req->sv1 = newSVsv (pathname);
1165	req->ptr1 = SvPVbyte_nolen (req->sv1);
1166	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1438	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1167		1439
1168	if (flags & EIO_READDIR_DENTS)	1440	if (flags & EIO_READDIR_DENTS)
1169	req->int1 |= EIO_READDIR_CUSTOM2;	1441	req->int1 |= EIO_READDIR_CUSTOM2;
1170		1442
		1443	req_set_path1 (req, pathname);
		1444
1171	REQ_SEND;	1445	REQ_SEND;
1172	}	1446	}
1173		1447
1174	void	1448	void
		1449	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1450	PPCODE:
		1451	{
		1452	dREQ;
		1453
		1454	req->type = EIO_MKDIR;
		1455	req->int2 = mode;
		1456	req_set_path1 (req, pathname);
		1457
		1458	REQ_SEND;
		1459	}
		1460
		1461	void
1175	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1462	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1176	ALIAS:	1463	ALIAS:
1177	aio_unlink = EIO_UNLINK	1464	aio_unlink = EIO_UNLINK
1178	aio_rmdir = EIO_RMDIR	1465	aio_rmdir = EIO_RMDIR
1179	aio_readdir = EIO_READDIR	1466	aio_readdir = EIO_READDIR
1180	PPCODE:	1467	PPCODE:
1181	{	1468	{
1182	dREQ;	1469	dREQ;
1183		1470
1184	req->type = ix;	1471	req->type = ix;
1185	req->sv1 = newSVsv (pathname);	1472	req_set_path1 (req, pathname);
1186	req->ptr1 = SvPVbyte_nolen (req->sv1);
1187		1473
1188	REQ_SEND;	1474	REQ_SEND;
1189	}	1475	}
1190		1476
1191	void	1477	void
1192	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1478	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1193	ALIAS:	1479	ALIAS:
1194	aio_link = EIO_LINK	1480	aio_link = EIO_LINK
1195	aio_symlink = EIO_SYMLINK	1481	aio_symlink = EIO_SYMLINK
1196	aio_rename = EIO_RENAME	1482	aio_rename = EIO_RENAME
1197	PPCODE:	1483	PPCODE:
1198	{	1484	{
		1485	eio_wd wd2 = 0;
1199	dREQ;	1486	dREQ;
1200		1487
1201	req->type = ix;	1488	req->type = ix;
1202	req->sv1 = newSVsv (oldpath);	1489	req_set_path1 (req, oldpath);
1203	req->ptr1 = SvPVbyte_nolen (req->sv1);	1490	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1204	req->sv2 = newSVsv (newpath);	1491	req->int3 = (long)wd2;
1205	req->ptr2 = SvPVbyte_nolen (req->sv2);
1206		1492
1207	REQ_SEND;	1493	REQ_SEND;
1208	}	1494	}
1209		1495
1210	void	1496	void
1211	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1497	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1212	PPCODE:	1498	PPCODE:
1213	{	1499	{
1214	dREQ;	1500	dREQ;
1215		1501
1216	req->type = EIO_MKNOD;	1502	req->type = EIO_MKNOD;
1217	req->sv1 = newSVsv (pathname);
1218	req->ptr1 = SvPVbyte_nolen (req->sv1);
1219	req->int2 = (mode_t)mode;	1503	req->int2 = (mode_t)mode;
1220	req->offs = dev;	1504	req->offs = dev;
		1505	req_set_path1 (req, pathname);
1221		1506
1222	REQ_SEND;	1507	REQ_SEND;
1223	}	1508	}
1224		1509
1225	void	1510	void
1226	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1511	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1227	ALIAS:	1512	ALIAS:
1228	aio_mtouch = EIO_MTOUCH	1513	aio_mtouch = EIO_MTOUCH
1229	aio_msync = EIO_MSYNC	1514	aio_msync = EIO_MSYNC
1230	PPCODE:	1515	PPCODE:
1231	{	1516	{
…		…
1254	REQ_SEND;	1539	REQ_SEND;
1255	}	1540	}
1256	}	1541	}
1257		1542
1258	void	1543	void
1259	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1544	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1260	PPCODE:	1545	PPCODE:
1261	{	1546	{
1262
1263	STRLEN svlen;	1547	STRLEN svlen;
1264	char *svptr = SvPVbyte (data, svlen);	1548	char *svptr = SvPVbyte (data, svlen);
1265	UV len = SvUV (length);	1549	UV len = SvUV (length);
1266		1550
1267	if (offset < 0)	1551	if (offset < 0)
…		…
1284	REQ_SEND;	1568	REQ_SEND;
1285	}	1569	}
1286	}	1570	}
1287		1571
1288	void	1572	void
1289	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1573	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1290	PPCODE:	1574	PPCODE:
1291	{	1575	{
1292	dREQ;	1576	dREQ;
1293		1577
1294	req->type = EIO_MLOCKALL;	1578	req->type = EIO_MLOCKALL;
…		…
1296		1580
1297	REQ_SEND;	1581	REQ_SEND;
1298	}	1582	}
1299		1583
1300	void	1584	void
		1585	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1586	PPCODE:
		1587	{
		1588	int fd = s_fileno_croak (fh, 0);
		1589	dREQ;
		1590
		1591	req->type = EIO_CUSTOM;
		1592	req->sv1 = newSVsv (fh);
		1593	req->int1 = fd;
		1594
		1595	req->feed = fiemap;
		1596	#if HAVE_FIEMAP
		1597	/* keep our fingers crossed that the next two types are 64 bit */
		1598	req->offs = start;
		1599	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1600	req->int2 = flags;
		1601	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1602	#endif
		1603
		1604	REQ_SEND;
		1605	}
		1606
		1607	void
1301	aio_busy (double delay, SV *callback=&PL_sv_undef)	1608	aio_busy (double delay, SV *callback = &PL_sv_undef)
1302	PPCODE:	1609	PPCODE:
1303	{	1610	{
1304	dREQ;	1611	dREQ;
1305		1612
1306	req->type = EIO_BUSY;	1613	req->type = EIO_BUSY;
…		…
1308		1615
1309	REQ_SEND;	1616	REQ_SEND;
1310	}	1617	}
1311		1618
1312	void	1619	void
1313	aio_group (SV *callback=&PL_sv_undef)	1620	aio_group (SV *callback = &PL_sv_undef)
1314	PPCODE:	1621	PPCODE:
1315	{	1622	{
1316	dREQ;	1623	dREQ;
1317		1624
1318	req->type = EIO_GROUP;	1625	req->type = EIO_GROUP;
1319		1626
		1627	PUTBACK;
1320	req_submit (req);	1628	req_submit (req);
		1629	SPAGAIN;
		1630
1321	XPUSHs (req_sv (req, aio_grp_stash));	1631	XPUSHs (req_sv (req, aio_grp_stash));
1322	}	1632	}
1323		1633
1324	void	1634	void
1325	aio_nop (SV *callback=&PL_sv_undef)	1635	aio_nop (SV *callback = &PL_sv_undef)
1326	ALIAS:	1636	ALIAS:
1327	aio_nop = EIO_NOP	1637	aio_nop = EIO_NOP
1328	aio_sync = EIO_SYNC	1638	aio_sync = EIO_SYNC
1329	PPCODE:	1639	PPCODE:
1330	{	1640	{
…		…
1334		1644
1335	REQ_SEND;	1645	REQ_SEND;
1336	}	1646	}
1337		1647
1338	int	1648	int
1339	aioreq_pri (int pri = 0)	1649	aioreq_pri (int pri = NO_INIT)
1340	CODE:	1650	CODE:
1341	RETVAL = next_pri;	1651	RETVAL = next_pri;
1342	if (items > 0)	1652	if (items > 0)
1343	{	1653	{
1344	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1654	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1426	CODE:	1736	CODE:
1427	RETVAL = posix_fadvise (fh, offset, length, advice);	1737	RETVAL = posix_fadvise (fh, offset, length, advice);
1428	OUTPUT:	1738	OUTPUT:
1429	RETVAL	1739	RETVAL
1430		1740
1431	ssize_t	1741	IV
1432	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1742	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1433	CODE:	1743	CODE:
1434	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1744	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1435	OUTPUT:	1745	OUTPUT:
1436	RETVAL	1746	RETVAL
1437		1747
1438	void	1748	void
1439	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1749	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1440	PPCODE:	1750	PPCODE:
1441	sv_unmagic (scalar, MMAP_MAGIC);	1751	sv_unmagic (scalar, MMAP_MAGIC);
1442	{	1752	{
1443	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1753	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1444	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1754	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1471	munmap (SV *scalar)	1781	munmap (SV *scalar)
1472	CODE:	1782	CODE:
1473	sv_unmagic (scalar, MMAP_MAGIC);	1783	sv_unmagic (scalar, MMAP_MAGIC);
1474		1784
1475	int	1785	int
1476	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1786	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1477	ALIAS:	1787	ALIAS:
1478	mprotect = 1	1788	mprotect = 1
1479	CODE:	1789	CODE:
1480	{	1790	{
1481	STRLEN svlen;	1791	STRLEN svlen;
1482	void *addr = SvPVbyte (scalar, svlen);	1792	void *addr = SvPVbyte (scalar, svlen);
1483	size_t len = SvUV (length);	1793	STRLEN len = SvUV (length);
1484		1794
1485	if (offset < 0)	1795	if (offset < 0)
1486	offset += svlen;	1796	offset += svlen;
1487		1797
1488	if (offset < 0 || offset > svlen)	1798	if (offset < 0 || offset > svlen)
…		…
1502	}	1812	}
1503	OUTPUT:	1813	OUTPUT:
1504	RETVAL	1814	RETVAL
1505		1815
1506	int	1816	int
1507	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1817	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1508	CODE:	1818	CODE:
1509	{	1819	{
1510	STRLEN svlen;	1820	STRLEN svlen;
1511	void *addr = SvPVbyte (scalar, svlen);	1821	void *addr = SvPVbyte (scalar, svlen);
1512	size_t len = SvUV (length);	1822	size_t len = SvUV (length);
1513		1823
1514	if (offset < 0)	1824	if (offset < 0)
1515	offset += svlen;	1825	offset += svlen;
1516		1826
…		…
1520	if (!SvOK (length) || len + offset > svlen)	1830	if (!SvOK (length) || len + offset > svlen)
1521	len = svlen - offset;	1831	len = svlen - offset;
1522		1832
1523	addr = (void *)(((intptr_t)addr) + offset);	1833	addr = (void *)(((intptr_t)addr) + offset);
1524	eio_page_align (&addr, &len);	1834	eio_page_align (&addr, &len);
1525	#if _POSIX_MEMLOCK	1835	#if _POSIX_MEMLOCK_RANGE
1526	RETVAL = munlock (addr, len);	1836	RETVAL = munlock (addr, len);
1527	#else	1837	#else
1528	RETVAL = ((errno = ENOSYS), -1);	1838	RETVAL = EIO_ENOSYS ();
1529	#endif	1839	#endif
1530	}	1840	}
1531	OUTPUT:	1841	OUTPUT:
1532	RETVAL	1842	RETVAL
1533		1843
…		…
1535	munlockall ()	1845	munlockall ()
1536	CODE:	1846	CODE:
1537	#if _POSIX_MEMLOCK	1847	#if _POSIX_MEMLOCK
1538	munlockall ();	1848	munlockall ();
1539	#else	1849	#else
1540	RETVAL = -1;	1850	RETVAL = EIO_ENOSYS ();
1541	errno = ENOSYS;
1542	#endif	1851	#endif
1543	OUTPUT:	1852	OUTPUT:
1544	RETVAL	1853	RETVAL
		1854
		1855	int
		1856	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1857	CODE:
		1858	{
		1859	#if HAVE_LINUX_SPLICE
		1860	loff_t off_in_, off_out_;
		1861	RETVAL = splice (
		1862	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1863	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1864	length, flags
		1865	);
		1866	#else
		1867	RETVAL = EIO_ENOSYS ();
		1868	#endif
		1869	}
		1870	OUTPUT:
		1871	RETVAL
		1872
		1873	int
		1874	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1875	CODE:
		1876	#if HAVE_LINUX_SPLICE
		1877	RETVAL = tee (rfh, wfh, length, flags);
		1878	#else
		1879	RETVAL = EIO_ENOSYS ();
		1880	#endif
		1881	OUTPUT:
		1882	RETVAL
		1883
		1884	int
		1885	pipesize (aio_rfd rfh, int new_size = -1)
		1886	PROTOTYPE: $;$
		1887	CODE:
		1888	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1889	if (new_size >= 0)
		1890	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1891	else
		1892	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1893	#else
		1894	errno = ENOSYS;
		1895	RETVAL = -1;
		1896	#endif
		1897	OUTPUT:
		1898	RETVAL
		1899
		1900	void
		1901	pipe2 (int flags = 0)
		1902	PROTOTYPE: ;$
		1903	PPCODE:
		1904	{
		1905	int fd[2];
		1906	int res;
		1907
		1908	if (flags)
		1909	#if HAVE_PIPE2
		1910	res = pipe2 (fd, flags);
		1911	#else
		1912	res = (errno = ENOSYS, -1);
		1913	#endif
		1914	else
		1915	res = pipe (fd);
		1916
		1917	if (!res)
		1918	{
		1919	EXTEND (SP, 2);
		1920	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1921	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1922	}
		1923	}
1545		1924
1546	void _on_next_submit (SV *cb)	1925	void _on_next_submit (SV *cb)
1547	CODE:	1926	CODE:
1548	SvREFCNT_dec (on_next_submit);	1927	SvREFCNT_dec (on_next_submit);
1549	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1928	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1550		1929
1551	PROTOTYPES: DISABLE	1930	PROTOTYPES: DISABLE
1552		1931
		1932	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1933
		1934	BOOT:
		1935	{
		1936	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1937	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1938	}
		1939
		1940	void
		1941	DESTROY (SV *self)
		1942	CODE:
		1943	{
		1944	aio_wd wd = SvAIO_WD (self);
		1945	#if HAVE_AT
		1946	{
		1947	SV *callback = &PL_sv_undef;
		1948	dREQ; /* clobbers next_pri :/ */
		1949	next_pri = req->pri; /* restore next_pri */
		1950	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1951	req->type = EIO_WD_CLOSE;
		1952	req->wd = wd;
		1953	REQ_SEND;
		1954	}
		1955	#else
		1956	eio_wd_close_sync (wd);
		1957	#endif
		1958	}
		1959
1553	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1960	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1554		1961
1555	void	1962	void
1556	cancel (aio_req_ornot req)	1963	cancel (aio_req_ornot req)
1557	CODE:	1964	CODE:
1558	eio_cancel (req);	1965	eio_cancel (req);
1559		1966
1560	void	1967	void
1561	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1968	cb (aio_req_ornot req, SV *callback = NO_INIT)
1562	PPCODE:	1969	PPCODE:
1563	{	1970	{
1564	if (GIMME_V != G_VOID)	1971	if (GIMME_V != G_VOID)
1565	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1972	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1566		1973
1567	if (items > 1)	1974	if (items > 1)
1568	{	1975	{
1569	SV *cb_cv =get_cb (callback);	1976	SV *cb_cv = get_cb (callback);
1570		1977
1571	SvREFCNT_dec (req->callback);	1978	SvREFCNT_dec (req->callback);
1572	req->callback = SvREFCNT_inc (cb_cv);	1979	req->callback = SvREFCNT_inc (cb_cv);
1573	}	1980	}
1574	}	1981	}
…		…
1631	limit (aio_req grp, int limit)	2038	limit (aio_req grp, int limit)
1632	CODE:	2039	CODE:
1633	eio_grp_limit (grp, limit);	2040	eio_grp_limit (grp, limit);
1634		2041
1635	void	2042	void
1636	feed (aio_req grp, SV *callback=&PL_sv_undef)	2043	feed (aio_req grp, SV *callback = &PL_sv_undef)
1637	CODE:	2044	CODE:
1638	{	2045	{
1639	SvREFCNT_dec (grp->sv2);	2046	SvREFCNT_dec (grp->sv2);
1640	grp->sv2 = newSVsv (callback);	2047	grp->sv2 = newSVsv (callback);
1641	grp->feed = aio_grp_feed;	2048	grp->feed = aio_grp_feed;

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