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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.183 by root, Tue Jul 5 09:24:11 2011 UTC vs.
Revision 1.234 by root, Thu Jun 25 15:20:11 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_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		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
		35	#endif
		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/config.h"
124	#include "libeio/eio.h"	124	#include "libeio/eio.h"
125		125
126	/* Linux/others */	126	static int req_invoke (eio_req *req);
127	#ifndef O_ASYNC	127	#define EIO_FINISH(req) req_invoke (req)
128	# define O_ASYNC 0	128	static void req_destroy (eio_req *grp);
129	#endif	129	#define EIO_DESTROY(req) req_destroy (req)
130	#ifndef O_DIRECT
131	# define O_DIRECT 0
132	#endif
133	#ifndef O_NOATIME
134	# define O_NOATIME 0
135	#endif
136		130
137	/* POSIX */	131	#include "libeio/eio.c"
138	#ifndef O_CLOEXEC
139	# define O_CLOEXEC 0
140	#endif
141	#ifndef O_NOFOLLOW
142	# define O_NOFOLLOW 0
143	#endif
144	#ifndef O_NOCTTY
145	# define O_NOCTTY 0
146	#endif
147	#ifndef O_NONBLOCK
148	# define O_NONBLOCK 0
149	#endif
150	#ifndef O_EXEC
151	# define O_EXEC 0
152	#endif
153	#ifndef O_SEARCH
154	# define O_SEARCH 0
155	#endif
156	#ifndef O_DIRECTORY
157	# define O_DIRECTORY 0
158	#endif
159	#ifndef O_DSYNC
160	# define O_DSYNC 0
161	#endif
162	#ifndef O_RSYNC
163	# define O_RSYNC 0
164	#endif
165	#ifndef O_SYNC
166	# define O_SYNC 0
167	#endif
168	#ifndef O_TTY_INIT
169	# define O_TTY_INIT 0
170	#endif
171
172	#ifndef POSIX_FADV_NORMAL
173	# define POSIX_FADV_NORMAL 0
174	#endif
175	#ifndef POSIX_FADV_SEQUENTIAL
176	# define POSIX_FADV_SEQUENTIAL 0
177	#endif
178	#ifndef POSIX_FADV_RANDOM
179	# define POSIX_FADV_RANDOM 0
180	#endif
181	#ifndef POSIX_FADV_NOREUSE
182	# define POSIX_FADV_NOREUSE 0
183	#endif
184	#ifndef POSIX_FADV_WILLNEED
185	# define POSIX_FADV_WILLNEED 0
186	#endif
187	#ifndef POSIX_FADV_DONTNEED
188	# define POSIX_FADV_DONTNEED 0
189	#endif
190		132
191	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
192	# 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 */
193	#endif	135	#endif
194		136
195	#ifndef POSIX_MADV_NORMAL
196	# define POSIX_MADV_NORMAL 0
197	#endif
198	#ifndef POSIX_MADV_SEQUENTIAL
199	# define POSIX_MADV_SEQUENTIAL 0
200	#endif
201	#ifndef POSIX_MADV_RANDOM
202	# define POSIX_MADV_RANDOM 0
203	#endif
204	#ifndef POSIX_MADV_WILLNEED
205	# define POSIX_MADV_WILLNEED 0
206	#endif
207	#ifndef POSIX_MADV_DONTNEED
208	# define POSIX_MADV_DONTNEED 0
209	#endif
210
211	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
212	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213	#endif
214
215	#ifndef PROT_NONE
216	# define PROT_NONE 0
217	#endif
218	#ifndef PROT_READ
219	# define PROT_READ 0
220	#endif
221	#ifndef PROT_WRITE
222	# define PROT_READ 0
223	#endif
224	#ifndef PROT_EXEC
225	# define PROT_EXEC 0
226	#endif
227
228	#ifndef ST_NODEV
229	# define ST_NODEV 0
230	#endif
231	#ifndef ST_NOEXEC
232	# define ST_NOEXEC 0
233	#endif
234	#ifndef ST_SYNCHRONOUS
235	# define ST_SYNCHRONOUS 0
236	#endif
237	#ifndef ST_MANDLOCK
238	# define ST_MANDLOCK 0
239	#endif
240	#ifndef ST_WRITE
241	# define ST_WRITE 0
242	#endif
243	#ifndef ST_APPEND
244	# define ST_APPEND 0
245	#endif
246	#ifndef ST_IMMUTABLE
247	# define ST_IMMUTABLE 0
248	#endif
249	#ifndef ST_NOATIME
250	# define ST_NOATIME 0
251	#endif
252	#ifndef ST_NODIRATIME
253	# define ST_NODIRATIME 0
254	#endif
255	#ifndef ST_RELATIME
256	# define ST_RELATIME 0
257	#endif
258
259	#ifndef S_IFIFO
260	# define S_IFIFO 0
261	#endif
262	#ifndef S_IFCHR
263	# define S_IFCHR 0
264	#endif
265	#ifndef S_IFBLK
266	# define S_IFBLK 0
267	#endif
268	#ifndef S_IFLNK
269	# define S_IFLNK 0
270	#endif
271	#ifndef S_IFREG
272	# define S_IFREG 0
273	#endif
274	#ifndef S_IFDIR
275	# define S_IFDIR 0
276	#endif
277	#ifndef S_IFWHT
278	# define S_IFWHT 0
279	#endif
280	#ifndef S_IFSOCK
281	# define S_IFSOCK 0
282	#endif	139	#endif
283		140
284	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
285	# ifdef MAP_ANON	142	# ifdef MAP_ANON
286	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
287	# else	144	# else
288	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289	# endif	146	# endif
290	#endif	147	#endif
291	#ifndef MAP_HUGETLB	148
292	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
293	#endif	150	#include "def0.h"
294	#ifndef MAP_LOCKED
295	# define MAP_LOCKED 0
296	#endif
297	#ifndef MAP_NORESERVE
298	# define MAP_NORESERVE 0
299	#endif
300	#ifndef MAP_POPULATE
301	# define MAP_POPULATE 0
302	#endif
303	#ifndef MAP_NONBLOCK
304	# define MAP_NONBLOCK 0
305	#endif
306		151
307	#ifndef makedev	152	#ifndef makedev
308	# define makedev(maj,min) (((maj) << 8) | (min))	153	# define makedev(maj,min) (((maj) << 8) | (min))
309	#endif	154	#endif
310	#ifndef major	155	#ifndef major
…		…
312	#endif	157	#endif
313	#ifndef minor	158	#ifndef minor
314	# define minor(dev) ((dev) & 0xff)	159	# define minor(dev) ((dev) & 0xff)
315	#endif	160	#endif
316		161
317	#ifndef PAGESIZE	162	#if PAGESIZE <= 0
318	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
319	#endif	164	#endif
320		165
321	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
322	#define EIO_FINISH(req) req_invoke (req)	167
323	static void req_destroy (eio_req *grp);	168	static void
324	#define EIO_DESTROY(req) req_destroy (req)	169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags |= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	|| !fiemap->fm_mapped_extents /* no more extents */
		203	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap *incmap = (struct fiemap *)scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
325		265
326	enum {	266	enum {
327	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328	};	268	};
329		269
330	#include "libeio/eio.c"
331
332	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
334		273
335	static SV *on_next_submit;	274	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	276	static int max_outstanding;
338		277
339	static s_epipe respipe;	278	static s_epipe respipe;
340		279
341	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
343		282
344	static void want_poll (void)	283	static void
		284	want_poll (void)
345	{	285	{
346	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
348	}	288	}
349		289
350	static void done_poll (void)	290	static void
		291	done_poll (void)
351	{	292	{
352	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
354	}	295	}
355		296
356	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
358	{	300	{
359	if (!req->self)	301	if (!req->self)
360	{	302	{
361	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	305	}
364		306
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	308	}
367		309
368	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
369	{	318	{
370	MAGIC *mg;	319	MAGIC *mg;
371		320
372	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
377		327
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		329
380	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	331	}
382		332
		333	static aio_wd
		334	SvAIO_WD (SV *sv)
		335	{
		336	if (!SvROK (sv)
		337	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		338	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		340
		341	return (aio_wd)(long)SvIVX (SvRV (sv));
		342	}
		343
		344	static SV *
		345	newmortalFH (int fd, int flags)
		346	{
		347	if (fd < 0)
		348	return &PL_sv_undef;
		349
		350	GV *gv = (GV *)sv_newmortal ();
		351	char sym[64];
		352	int symlen;
		353
		354	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		355	gv_init (gv, aio_stash, sym, symlen, 0);
		356
		357	symlen = snprintf (
		358	sym,
		359	sizeof (sym),
		360	"%s&=%d",
		361	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		362	fd
		363	);
		364
		365	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		366	? (SV *)gv : &PL_sv_undef;
		367	}
		368
		369	static void
383	static void aio_grp_feed (aio_req grp)	370	aio_grp_feed (aio_req grp)
384	{	371	{
385	if (grp->sv2 && SvOK (grp->sv2))	372	if (grp->sv2 && SvOK (grp->sv2))
386	{	373	{
387	dSP;	374	dSP;
388		375
…		…
396	FREETMPS;	383	FREETMPS;
397	LEAVE;	384	LEAVE;
398	}	385	}
399	}	386	}
400		387
		388	static void
401	static void req_submit (eio_req *req)	389	req_submit (eio_req *req)
402	{	390	{
403	eio_submit (req);	391	eio_submit (req);
404		392
405	if (expect_false (on_next_submit))	393	if (expect_false (on_next_submit))
406	{	394	{
…		…
413	PUTBACK;	401	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	402	call_sv (cb, G_DISCARD | G_EVAL);
415	}	403	}
416	}	404	}
417		405
		406	static int
418	static int req_invoke (eio_req *req)	407	req_invoke (eio_req *req)
419	{	408	{
420	if (req->flags & FLAG_SV2_RO_OFF)	409	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	410	SvREADONLY_off (req->sv2);
422		411
423	if (!EIO_CANCELLED (req) && req->callback)	412	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	433	SvREADONLY_on (sv_result);
445	}	434	}
446		435
447	switch (req->type)	436	switch (req->type)
448	{	437	{
		438	case EIO_WD_OPEN:
		439	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		440	break;
		441
449	case EIO_READDIR:	442	case EIO_READDIR:
450	{	443	{
451	SV *rv = &PL_sv_undef;	444	SV *rv = &PL_sv_undef;
452		445
453	if (req->result >= 0)	446	if (req->result >= 0)
…		…
506	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	499	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507	}	500	}
508	break;	501	break;
509		502
510	case EIO_OPEN:	503	case EIO_OPEN:
511	{	504	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
512	/* convert fd to fh */
513	SV *fh = &PL_sv_undef;
514
515	if (req->result >= 0)
516	{
517	GV *gv = (GV *)sv_newmortal ();
518	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
519	char sym [64];
520	int symlen;
521
522	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
523	gv_init (gv, aio_stash, sym, symlen, 0);
524
525	symlen = snprintf (
526	sym,
527	sizeof (sym),
528	"%s&=%d",
529	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530	(int)req->result
531	);
532
533	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
534	fh = (SV *)gv;
535	}
536
537	PUSHs (fh);
538	}
539	break;	505	break;
540		506
541	case EIO_STATVFS:	507	case EIO_STATVFS:
542	case EIO_FSTATVFS:	508	case EIO_FSTATVFS:
543	{	509	{
544	SV *rv = &PL_sv_undef;	510	SV *rv = &PL_sv_undef;
545		511
		512	#ifndef _WIN32
546	if (req->result >= 0)	513	if (req->result >= 0)
547	{	514	{
548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	515	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549	HV *hv = newHV ();	516	HV *hv = newHV ();
		517	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		518	* chooses to make it a struct.
		519	*/
		520	unsigned long fsid = 0;
		521	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550		522
551	rv = sv_2mortal (newRV_noinc ((SV *)hv));	523	rv = sv_2mortal (newRV_noinc ((SV *)hv));
552		524
553	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	525	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	526	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
556	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	528	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	529	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	530	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	531	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	532	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	533	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	534	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	535	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564	}	536	}
		537	#endif
565		538
566	PUSHs (rv);	539	PUSHs (rv);
567	}	540	}
568		541
569	break;	542	break;
…		…
593	break;	566	break;
594		567
595	case EIO_STAT:	568	case EIO_STAT:
596	case EIO_LSTAT:	569	case EIO_LSTAT:
597	case EIO_FSTAT:	570	case EIO_FSTAT:
598	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	571	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		572
599	PL_laststatval = req->result;	573	if (!(PL_laststatval = req->result))
		574	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
600	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	575	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		576
601	PUSHs (sv_result);	577	PUSHs (sv_result);
		578	break;
		579
		580	case EIO_SEEK:
		581	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602	break;	582	break;
603		583
604	case EIO_READ:	584	case EIO_READ:
605	{	585	{
606	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	586	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
609	SvSETMAGIC (req->sv2);	589	SvSETMAGIC (req->sv2);
610	PUSHs (sv_result);	590	PUSHs (sv_result);
611	}	591	}
612	break;	592	break;
613		593
		594	case EIO_CUSTOM:
		595	if (req->feed == fiemap)
		596	{
		597	#if HAVE_FIEMAP
		598	if (!req->result)
		599	{
		600	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		601
		602	if (fiemap->fm_extent_count)
		603	{
		604	AV *av = newAV ();
		605	int i;
		606
		607	while (fiemap->fm_mapped_extents)
		608	{
		609	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		610	AV *ext_av = newAV ();
		611
		612	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		613	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		614	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		615	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		616
		617	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		618	}
		619
		620	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		621	}
		622	else
		623	{
		624	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		625	PUSHs (sv_result);
		626	}
		627	}
		628	#endif
		629	}
		630	else
		631	PUSHs (sv_result);
		632	break;
		633
614	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	634	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615	if (req->result > 0)	635	if (req->result > 0)
616	SvIV_set (sv_result, 0);	636	SvIV_set (sv_result, 0);
617	/* FALLTHROUGH */	637	/* FALLTHROUGH */
618		638
…		…
639	}	659	}
640		660
641	return !!SvTRUE (ERRSV);	661	return !!SvTRUE (ERRSV);
642	}	662	}
643		663
		664	static void
644	static void req_destroy (aio_req req)	665	req_destroy (aio_req req)
645	{	666	{
646	if (req->self)	667	if (req->self)
647	{	668	{
648	sv_unmagic (req->self, PERL_MAGIC_ext);	669	sv_unmagic (req->self, PERL_MAGIC_ext);
649	SvREFCNT_dec (req->self);	670	SvREFCNT_dec (req->self);
650	}	671	}
651		672
652	SvREFCNT_dec (req->sv1);	673	SvREFCNT_dec (req->sv1);
653	SvREFCNT_dec (req->sv2);	674	SvREFCNT_dec (req->sv2);
		675	SvREFCNT_dec (req->sv3);
		676	SvREFCNT_dec (req->sv4);
654	SvREFCNT_dec (req->callback);	677	SvREFCNT_dec (req->callback);
655		678
656	Safefree (req);	679	free (req);
657	}	680	}
658		681
		682	static void
659	static void req_cancel_subs (aio_req grp)	683	req_cancel_subs (aio_req grp)
660	{	684	{
661	aio_req sub;
662
663	if (grp->type != EIO_GROUP)	685	if (grp->type != EIO_GROUP)
664	return;	686	return;
665		687
666	SvREFCNT_dec (grp->sv2);	688	SvREFCNT_dec (grp->sv2);
667	grp->sv2 = 0;	689	grp->sv2 = 0;
668		690
669	eio_grp_cancel (grp);	691	eio_grp_cancel (grp);
670	}	692	}
671		693
672	static void	694	static void ecb_cold
673	create_respipe (void)	695	create_respipe (void)
674	{	696	{
675	if (s_epipe_renew (&respipe))	697	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	698	croak ("IO::AIO: unable to initialize result pipe");
677	}	699	}
678		700
679	static void poll_wait (void)	701	static void
		702	poll_wait (void)
680	{	703	{
681	while (eio_nreqs ())	704	while (eio_nreqs ())
682	{	705	{
683	int size;	706	int size;
684		707
…		…
693		716
694	s_epipe_wait (&respipe);	717	s_epipe_wait (&respipe);
695	}	718	}
696	}	719	}
697		720
698	static int poll_cb (void)	721	static int
		722	poll_cb (void)
699	{	723	{
700	for (;;)	724	for (;;)
701	{	725	{
702	int res = eio_poll ();	726	int res = eio_poll ();
703		727
…		…
709		733
710	poll_wait ();	734	poll_wait ();
711	}	735	}
712	}	736	}
713		737
714	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
715	{	740	{
716	create_respipe ();	741	create_respipe ();
		742
		743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
717	}	745	}
718		746
719	/*****************************************************************************/	747	/*****************************************************************************/
720		748
721	#if !_POSIX_MAPPED_FILES	749	#if !_POSIX_MAPPED_FILES
722	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
723	# define munmap(addr,length) (errno = ENOSYS, -1)	751	# define munmap(addr,length) EIO_ENOSYS ()
724	#endif	752	#endif
725		753
726	#if !_POSIX_MEMORY_PROTECTION	754	#if !_POSIX_MEMORY_PROTECTION
727	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
728	# define PROT_NONE 0	756	# define PROT_NONE 0
729	# define PROT_WRITE 0	757	# define PROT_WRITE 0
730	# define MAP_PRIVATE 0	758	# define MAP_PRIVATE 0
731	# define MAP_SHARED 0	759	# define MAP_SHARED 0
732	# define MAP_FIXED 0	760	# define MAP_FIXED 0
733	#endif	761	#endif
734		762
735	#define MMAP_MAGIC PERL_MAGIC_ext	763	#define MMAP_MAGIC PERL_MAGIC_ext
736		764
737	static int	765	static int ecb_cold
738	mmap_free (pTHX_ SV *sv, MAGIC *mg)	766	mmap_free (pTHX_ SV *sv, MAGIC *mg)
739	{	767	{
740	int old_errno = errno;	768	int old_errno = errno;
741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742	errno = old_errno;	770	errno = old_errno;
…		…
766	{	794	{
767	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
768	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
769	}	797	}
770		798
		799	static aio_req ecb_noinline
		800	dreq (SV *callback)
		801	{
		802	SV *cb_cv;
		803	aio_req req;
		804	int req_pri = next_pri;
		805	next_pri = EIO_PRI_DEFAULT;
		806
		807	cb_cv = get_cb (callback);
		808
		809	req = calloc (sizeof (*req), 1);
		810	if (!req)
		811	croak ("out of memory during eio_req allocation");
		812
		813	req->callback = SvREFCNT_inc (cb_cv);
		814	req->pri = req_pri;
		815
		816	return req;
		817	}
		818
771	#define dREQ \	819	#define dREQ \
772	SV *cb_cv; \	820	aio_req req = dreq (callback); \
773	aio_req req; \
774	int req_pri = next_pri; \
775	next_pri = EIO_PRI_DEFAULT; \
776	\
777	cb_cv = get_cb (callback); \
778	\
779	Newz (0, req, 1, eio_req); \
780	if (!req) \
781	croak ("out of memory during eio_req allocation"); \
782	\
783	req->callback = SvREFCNT_inc (cb_cv); \
784	req->pri = req_pri
785		821
786	#define REQ_SEND \	822	#define REQ_SEND \
787	PUTBACK; \	823	PUTBACK; \
788	req_submit (req); \	824	req_submit (req); \
789	SPAGAIN; \	825	SPAGAIN; \
790	\	826	\
791	if (GIMME_V != G_VOID) \	827	if (GIMME_V != G_VOID) \
792	XPUSHs (req_sv (req, aio_req_stash));	828	XPUSHs (req_sv (req, aio_req_stash));
793		829
		830	ecb_inline void
		831	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		832	{
		833	if (expect_false (SvROK (path)))
		834	{
		835	SV *rv = SvRV (path);
		836	SV *wdob;
		837
		838	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		839	{
		840	path = AvARRAY (rv)[1];
		841	wdob = AvARRAY (rv)[0];
		842
		843	if (SvOK (wdob))
		844	{
		845	*wd = SvAIO_WD (wdob);
		846	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		847	}
		848	else
		849	*wd = EIO_INVALID_WD;
		850	}
		851	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		852	{
		853	*wd = (aio_wd)(long)SvIVX (rv);
		854	*wdsv = SvREFCNT_inc_NN (rv);
		855	*ptr = ".";
		856	return; /* path set to "." */
		857	}
		858	else
		859	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		860	}
		861
		862	*pathsv = newSVsv (path);
		863	*ptr = SvPVbyte_nolen (*pathsv);
		864	}
		865
		866	static void ecb_noinline
		867	req_set_path1 (aio_req req, SV *path)
		868	{
		869	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		870	}
		871
		872	static void ecb_noinline
		873	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		874	{
		875	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		876
		877	switch (SvTYPE (rv))
		878	{
		879	case SVt_PVIO:
		880	case SVt_PVLV:
		881	case SVt_PVGV:
		882	req->type = type_fh;
		883	req->sv1 = newSVsv (fh_or_path);
		884	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		885	break;
		886
		887	default:
		888	req->type = type_path;
		889	req_set_path1 (req, fh_or_path);
		890	break;
		891	}
		892	}
		893
		894	XS(boot_IO__AIO) ecb_cold;
		895
794	MODULE = IO::AIO PACKAGE = IO::AIO	896	MODULE = IO::AIO PACKAGE = IO::AIO
795		897
796	PROTOTYPES: ENABLE	898	PROTOTYPES: ENABLE
797		899
798	BOOT:	900	BOOT:
…		…
802	IV iv;	904	IV iv;
803	} *civ, const_iv[] = {	905	} *civ, const_iv[] = {
804	# define const_niv(name, value) { # name, (IV) value },	906	# define const_niv(name, value) { # name, (IV) value },
805	# define const_iv(name) { # name, (IV) name },	907	# define const_iv(name) { # name, (IV) name },
806	# define const_eio(name) { # name, (IV) EIO_ ## name },	908	# define const_eio(name) { # name, (IV) EIO_ ## name },
		909
		910	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		911
		912	const_iv (ENOSYS)
807	const_iv (EXDEV)	913	const_iv (EXDEV)
808	const_iv (ENOSYS)	914	const_iv (EBADR)
		915
809	const_iv (O_RDONLY)	916	const_iv (O_RDONLY)
810	const_iv (O_WRONLY)	917	const_iv (O_WRONLY)
811	const_iv (O_RDWR)	918	const_iv (O_RDWR)
812	const_iv (O_CREAT)	919	const_iv (O_CREAT)
813	const_iv (O_TRUNC)	920	const_iv (O_TRUNC)
…		…
826	const_iv (O_SEARCH)	933	const_iv (O_SEARCH)
827	const_iv (O_DIRECTORY)	934	const_iv (O_DIRECTORY)
828	const_iv (O_DSYNC)	935	const_iv (O_DSYNC)
829	const_iv (O_RSYNC)	936	const_iv (O_RSYNC)
830	const_iv (O_SYNC)	937	const_iv (O_SYNC)
		938	const_iv (O_PATH)
		939	const_iv (O_TMPFILE)
831	const_iv (O_TTY_INIT)	940	const_iv (O_TTY_INIT)
832		941
833	const_iv (S_IFIFO)	942	const_iv (S_IFIFO)
834	const_iv (S_IFCHR)	943	const_iv (S_IFCHR)
835	const_iv (S_IFBLK)	944	const_iv (S_IFBLK)
…		…
881	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
882	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
883	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
884	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
885		994
		995	const_iv (FIEMAP_FLAG_SYNC)
		996	const_iv (FIEMAP_FLAG_XATTR)
		997	const_iv (FIEMAP_FLAGS_COMPAT)
		998	const_iv (FIEMAP_EXTENT_LAST)
		999	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1000	const_iv (FIEMAP_EXTENT_DELALLOC)
		1001	const_iv (FIEMAP_EXTENT_ENCODED)
		1002	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1003	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1004	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1005	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1006	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1007	const_iv (FIEMAP_EXTENT_MERGED)
		1008	const_iv (FIEMAP_EXTENT_SHARED)
		1009
		1010	const_iv (SPLICE_F_MOVE)
		1011	const_iv (SPLICE_F_NONBLOCK)
		1012	const_iv (SPLICE_F_MORE)
		1013	const_iv (SPLICE_F_GIFT)
		1014
		1015	const_iv (SEEK_DATA)
		1016	const_iv (SEEK_HOLE)
		1017
		1018	/* libeio constants */
		1019	const_eio (SEEK_SET)
		1020	const_eio (SEEK_CUR)
		1021	const_eio (SEEK_END)
		1022
886	const_eio (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
887	const_eio (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
888		1025
889	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
890	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
…		…
893	const_eio (MT_MODIFY)	1030	const_eio (MT_MODIFY)
894		1031
895	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
896	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
897	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1035
		1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
		1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1039	const_eio (FALLOC_FL_ZERO_RANGE)
898		1040
899	const_eio (READDIR_DENTS)	1041	const_eio (READDIR_DENTS)
900	const_eio (READDIR_DIRS_FIRST)	1042	const_eio (READDIR_DIRS_FIRST)
901	const_eio (READDIR_STAT_ORDER)	1043	const_eio (READDIR_STAT_ORDER)
902	const_eio (READDIR_FOUND_UNKNOWN)	1044	const_eio (READDIR_FOUND_UNKNOWN)
…		…
913	};	1055	};
914		1056
915	aio_stash = gv_stashpv ("IO::AIO" , 1);	1057	aio_stash = gv_stashpv ("IO::AIO" , 1);
916	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1058	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1059	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1060	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918		1061
919	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1062	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1063	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921		1064
922	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1065	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923		1066
924	create_respipe ();	1067	reinit ();
925
926	if (eio_init (want_poll, done_poll) < 0)
927	croak ("IO::AIO: unable to initialise eio library");
928
929	/* atfork child called in fifo order, so before eio's handler */
930	X_THREAD_ATFORK (0, 0, atfork_child);
931	}	1068	}
		1069
		1070	void
		1071	reinit ()
		1072	PROTOTYPE:
932		1073
933	void	1074	void
934	max_poll_reqs (unsigned int nreqs)	1075	max_poll_reqs (unsigned int nreqs)
935	PROTOTYPE: $	1076	PROTOTYPE: $
936	CODE:	1077	CODE:
…		…
971	PROTOTYPE: $	1112	PROTOTYPE: $
972	CODE:	1113	CODE:
973	max_outstanding = maxreqs;	1114	max_outstanding = maxreqs;
974		1115
975	void	1116	void
976	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1117	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
977	PPCODE:	1118	PPCODE:
978	{	1119	{
979	dREQ;	1120	dREQ;
980		1121
		1122	req->type = EIO_WD_OPEN;
		1123	req_set_path1 (req, pathname);
		1124
		1125	REQ_SEND;
		1126	}
		1127
		1128	void
		1129	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1130	PPCODE:
		1131	{
		1132	dREQ;
		1133
981	req->type = EIO_OPEN;	1134	req->type = EIO_OPEN;
982	req->sv1 = newSVsv (pathname);	1135	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984	req->int1 = flags;	1136	req->int1 = flags;
985	req->int2 = mode;	1137	req->int2 = mode;
986		1138
987	REQ_SEND;	1139	REQ_SEND;
988	}	1140	}
989		1141
990	void	1142	void
991	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1143	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
992	ALIAS:	1144	ALIAS:
993	aio_fsync = EIO_FSYNC	1145	aio_fsync = EIO_FSYNC
994	aio_fdatasync = EIO_FDATASYNC	1146	aio_fdatasync = EIO_FDATASYNC
		1147	aio_syncfs = EIO_SYNCFS
995	PPCODE:	1148	PPCODE:
996	{	1149	{
997	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
998	dREQ;	1151	dREQ;
999		1152
1000	req->type = ix;	1153	req->type = ix;
1001	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
1002	req->int1 = fd;	1155	req->int1 = fd;
1003		1156
1004	REQ_SEND (req);	1157	REQ_SEND;
1005	}	1158	}
1006		1159
1007	void	1160	void
1008	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1161	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1009	PPCODE:	1162	PPCODE:
1010	{	1163	{
1011	int fd = s_fileno_croak (fh, 0);	1164	int fd = s_fileno_croak (fh, 0);
1012	dREQ;	1165	dREQ;
1013		1166
1014	req->type = EIO_SYNC_FILE_RANGE;	1167	req->type = EIO_SYNC_FILE_RANGE;
1015	req->sv1 = newSVsv (fh);	1168	req->sv1 = newSVsv (fh);
1016	req->int1 = fd;	1169	req->int1 = fd;
1017	req->offs = offset;	1170	req->offs = offset;
1018	req->size = nbytes;	1171	req->size = nbytes;
1019	req->int2 = flags;	1172	req->int2 = flags;
1020		1173
1021	REQ_SEND (req);	1174	REQ_SEND;
1022	}	1175	}
1023		1176
1024	void	1177	void
1025	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1178	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1026	PPCODE:	1179	PPCODE:
1027	{	1180	{
1028	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1029	int fd = s_fileno_croak (fh, 0);	1181	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1182	dREQ;
1031		1183
1032	if (close_pipe < 0)	1184	req->type = EIO_FALLOCATE;
		1185	req->sv1 = newSVsv (fh);
		1186	req->int1 = fd;
		1187	req->int2 = mode;
		1188	req->offs = offset;
		1189	req->size = len;
		1190
		1191	REQ_SEND;
		1192	}
		1193
		1194	void
		1195	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1196	PPCODE:
		1197	{
		1198	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1199	int fd = s_fileno_croak (fh, 0);
		1200	dREQ;
		1201
		1202	if (expect_false (close_fd < 0))
1033	{	1203	{
1034	int pipefd [2];	1204	int pipefd [2];
1035		1205
		1206	if (
		1207	#ifdef _WIN32
		1208	_pipe (pipefd, 1, _O_BINARY) < 0
		1209	#else
1036	if (pipe (pipefd) < 0	1210	pipe (pipefd) < 0
1037	|| close (pipefd [1]) < 0
1038	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1211	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1212	#endif
		1213	|| close (pipefd [1]) < 0
		1214	)
1039	abort (); /*D*/	1215	abort (); /*D*/
1040		1216
1041	close_pipe = pipefd [0];	1217	close_fd = pipefd [0];
1042	}	1218	}
1043		1219
1044	req->type = EIO_DUP2;	1220	req->type = EIO_DUP2;
1045	req->int1 = close_pipe;	1221	req->int1 = close_fd;
1046	req->sv2 = newSVsv (fh);	1222	req->sv2 = newSVsv (fh);
1047	req->int2 = fd;	1223	req->int2 = fd;
1048		1224
1049	REQ_SEND (req);	1225	REQ_SEND;
1050	}	1226	}
1051		1227
1052	void	1228	void
		1229	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1230	PPCODE:
		1231	{
		1232	int fd = s_fileno_croak (fh, 0);
		1233	dREQ;
		1234
		1235	req->type = EIO_SEEK;
		1236	req->sv1 = newSVsv (fh);
		1237	req->int1 = fd;
		1238	req->offs = SvVAL64 (offset);
		1239	req->int2 = whence;
		1240
		1241	REQ_SEND;
		1242	}
		1243
		1244	void
1053	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1245	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1054	ALIAS:	1246	ALIAS:
1055	aio_read = EIO_READ	1247	aio_read = EIO_READ
1056	aio_write = EIO_WRITE	1248	aio_write = EIO_WRITE
1057	PPCODE:	1249	PPCODE:
1058	{	1250	{
…		…
1074	len = svlen - dataoffset;	1266	len = svlen - dataoffset;
1075	}	1267	}
1076	else	1268	else
1077	{	1269	{
1078	/* read: check type and grow scalar as necessary */	1270	/* read: check type and grow scalar as necessary */
1079	SvUPGRADE (data, SVt_PV);	1271	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1080	svptr = SvGROW (data, len + dataoffset + 1);	1272	svptr = sv_grow (data, len + dataoffset + 1);
		1273	else if (SvCUR (data) < len + dataoffset)
		1274	croak ("length + dataoffset outside of scalar, and cannot grow");
1081	}	1275	}
1082		1276
1083	{	1277	{
1084	dREQ;	1278	dREQ;
1085		1279
…		…
1101	REQ_SEND;	1295	REQ_SEND;
1102	}	1296	}
1103	}	1297	}
1104		1298
1105	void	1299	void
1106	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1300	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1107	ALIAS:	1301	ALIAS:
1108	aio_readlink = EIO_READLINK	1302	aio_readlink = EIO_READLINK
1109	aio_realpath = EIO_REALPATH	1303	aio_realpath = EIO_REALPATH
1110	PPCODE:	1304	PPCODE:
1111	{	1305	{
1112	SV *data;
1113	dREQ;	1306	dREQ;
1114		1307
1115	req->type = ix;	1308	req->type = ix;
1116	req->sv1 = newSVsv (path);	1309	req_set_path1 (req, pathname);
1117	req->ptr1 = SvPVbyte_nolen (req->sv1);
1118		1310
1119	REQ_SEND;	1311	REQ_SEND;
1120	}	1312	}
1121		1313
1122	void	1314	void
1123	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1315	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1124	PPCODE:	1316	PPCODE:
1125	{	1317	{
1126	int ifd = s_fileno_croak (in_fh , 0);	1318	int ifd = s_fileno_croak (in_fh , 0);
1127	int ofd = s_fileno_croak (out_fh, 1);	1319	int ofd = s_fileno_croak (out_fh, 1);
1128	dREQ;	1320	dREQ;
1129		1321
1130	req->type = EIO_SENDFILE;	1322	req->type = EIO_SENDFILE;
1131	req->sv1 = newSVsv (out_fh);	1323	req->sv1 = newSVsv (out_fh);
1132	req->int1 = ofd;	1324	req->int1 = ofd;
…		…
1137		1329
1138	REQ_SEND;	1330	REQ_SEND;
1139	}	1331	}
1140		1332
1141	void	1333	void
1142	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1334	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1143	PPCODE:	1335	PPCODE:
1144	{	1336	{
1145	int fd = s_fileno_croak (fh, 0);	1337	int fd = s_fileno_croak (fh, 0);
1146	dREQ;	1338	dREQ;
1147		1339
1148	req->type = EIO_READAHEAD;	1340	req->type = EIO_READAHEAD;
1149	req->sv1 = newSVsv (fh);	1341	req->sv1 = newSVsv (fh);
1150	req->int1 = fd;	1342	req->int1 = fd;
…		…
1153		1345
1154	REQ_SEND;	1346	REQ_SEND;
1155	}	1347	}
1156		1348
1157	void	1349	void
1158	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1350	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1159	ALIAS:	1351	ALIAS:
1160	aio_stat = EIO_STAT	1352	aio_stat = EIO_STAT
1161	aio_lstat = EIO_LSTAT	1353	aio_lstat = EIO_LSTAT
1162	aio_statvfs = EIO_STATVFS	1354	aio_statvfs = EIO_STATVFS
1163	PPCODE:	1355	PPCODE:
1164	{	1356	{
1165	dREQ;	1357	dREQ;
1166		1358
1167	req->sv1 = newSVsv (fh_or_path);	1359	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1168
1169	if (SvPOK (req->sv1))
1170	{
1171	req->type = ix;
1172	req->ptr1 = SvPVbyte_nolen (req->sv1);
1173	}
1174	else
1175	{
1176	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1177	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1178	}
1179		1360
1180	REQ_SEND;	1361	REQ_SEND;
1181	}	1362	}
1182		1363
1183	UV	1364	UV
…		…
1195	RETVAL = makedev (maj, min);	1376	RETVAL = makedev (maj, min);
1196	OUTPUT:	1377	OUTPUT:
1197	RETVAL	1378	RETVAL
1198		1379
1199	void	1380	void
1200	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1381	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1201	PPCODE:	1382	PPCODE:
1202	{	1383	{
1203	dREQ;	1384	dREQ;
1204		1385
1205	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1386	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1206	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1387	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1207	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1208
1209	if (SvPOK (req->sv1))
1210	{
1211	req->type = EIO_UTIME;
1212	req->ptr1 = SvPVbyte_nolen (req->sv1);
1213	}
1214	else
1215	{
1216	req->type = EIO_FUTIME;
1217	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1218	}
1219		1389
1220	REQ_SEND;	1390	REQ_SEND;
1221	}	1391	}
1222		1392
1223	void	1393	void
1224	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1394	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1225	PPCODE:	1395	PPCODE:
1226	{	1396	{
1227	dREQ;	1397	dREQ;
1228		1398
1229	req->sv1 = newSVsv (fh_or_path);
1230	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1399	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1231		1400	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1232	if (SvPOK (req->sv1))
1233	{
1234	req->type = EIO_TRUNCATE;
1235	req->ptr1 = SvPVbyte_nolen (req->sv1);
1236	}
1237	else
1238	{
1239	req->type = EIO_FTRUNCATE;
1240	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241	}
1242		1401
1243	REQ_SEND;	1402	REQ_SEND;
1244	}	1403	}
1245		1404
1246	void	1405	void
1247	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1406	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1248	ALIAS:
1249	aio_chmod = EIO_CHMOD
1250	aio_mkdir = EIO_MKDIR
1251	PPCODE:	1407	PPCODE:
1252	{	1408	{
1253	dREQ;	1409	dREQ;
1254		1410
1255	req->int2 = mode;	1411	req->int2 = mode;
1256	req->sv1 = newSVsv (fh_or_path);	1412	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1257
1258	if (SvPOK (req->sv1))
1259	{
1260	req->type = ix;
1261	req->ptr1 = SvPVbyte_nolen (req->sv1);
1262	}
1263	else
1264	{
1265	req->type = EIO_FCHMOD;
1266	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1267	}
1268		1413
1269	REQ_SEND;	1414	REQ_SEND;
1270	}	1415	}
1271		1416
1272	void	1417	void
1273	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1418	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1274	PPCODE:	1419	PPCODE:
1275	{	1420	{
1276	dREQ;	1421	dREQ;
1277		1422
1278	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1423	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1279	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1424	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1280	req->sv1 = newSVsv (fh_or_path);	1425	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1281
1282	if (SvPOK (req->sv1))
1283	{
1284	req->type = EIO_CHOWN;
1285	req->ptr1 = SvPVbyte_nolen (req->sv1);
1286	}
1287	else
1288	{
1289	req->type = EIO_FCHOWN;
1290	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1291	}
1292		1426
1293	REQ_SEND;	1427	REQ_SEND;
1294	}	1428	}
1295		1429
1296	void	1430	void
1297	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1431	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1298	PPCODE:	1432	PPCODE:
1299	{	1433	{
1300	dREQ;	1434	dREQ;
1301		1435
1302	req->type = EIO_READDIR;	1436	req->type = EIO_READDIR;
1303	req->sv1 = newSVsv (pathname);
1304	req->ptr1 = SvPVbyte_nolen (req->sv1);
1305	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1437	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1306		1438
1307	if (flags & EIO_READDIR_DENTS)	1439	if (flags & EIO_READDIR_DENTS)
1308	req->int1 |= EIO_READDIR_CUSTOM2;	1440	req->int1 |= EIO_READDIR_CUSTOM2;
1309		1441
		1442	req_set_path1 (req, pathname);
		1443
1310	REQ_SEND;	1444	REQ_SEND;
1311	}	1445	}
1312		1446
1313	void	1447	void
		1448	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1449	PPCODE:
		1450	{
		1451	dREQ;
		1452
		1453	req->type = EIO_MKDIR;
		1454	req->int2 = mode;
		1455	req_set_path1 (req, pathname);
		1456
		1457	REQ_SEND;
		1458	}
		1459
		1460	void
1314	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1461	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1315	ALIAS:	1462	ALIAS:
1316	aio_unlink = EIO_UNLINK	1463	aio_unlink = EIO_UNLINK
1317	aio_rmdir = EIO_RMDIR	1464	aio_rmdir = EIO_RMDIR
1318	aio_readdir = EIO_READDIR	1465	aio_readdir = EIO_READDIR
1319	PPCODE:	1466	PPCODE:
1320	{	1467	{
1321	dREQ;	1468	dREQ;
1322		1469
1323	req->type = ix;	1470	req->type = ix;
1324	req->sv1 = newSVsv (pathname);	1471	req_set_path1 (req, pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326		1472
1327	REQ_SEND;	1473	REQ_SEND;
1328	}	1474	}
1329		1475
1330	void	1476	void
1331	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1477	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1332	ALIAS:	1478	ALIAS:
1333	aio_link = EIO_LINK	1479	aio_link = EIO_LINK
1334	aio_symlink = EIO_SYMLINK	1480	aio_symlink = EIO_SYMLINK
1335	aio_rename = EIO_RENAME	1481	aio_rename = EIO_RENAME
1336	PPCODE:	1482	PPCODE:
1337	{	1483	{
		1484	eio_wd wd2 = 0;
1338	dREQ;	1485	dREQ;
1339		1486
1340	req->type = ix;	1487	req->type = ix;
1341	req->sv1 = newSVsv (oldpath);	1488	req_set_path1 (req, oldpath);
1342	req->ptr1 = SvPVbyte_nolen (req->sv1);	1489	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1343	req->sv2 = newSVsv (newpath);	1490	req->int3 = (long)wd2;
1344	req->ptr2 = SvPVbyte_nolen (req->sv2);
1345		1491
1346	REQ_SEND;	1492	REQ_SEND;
1347	}	1493	}
1348		1494
1349	void	1495	void
1350	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1496	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1351	PPCODE:	1497	PPCODE:
1352	{	1498	{
1353	dREQ;	1499	dREQ;
1354		1500
1355	req->type = EIO_MKNOD;	1501	req->type = EIO_MKNOD;
1356	req->sv1 = newSVsv (pathname);
1357	req->ptr1 = SvPVbyte_nolen (req->sv1);
1358	req->int2 = (mode_t)mode;	1502	req->int2 = (mode_t)mode;
1359	req->offs = dev;	1503	req->offs = dev;
		1504	req_set_path1 (req, pathname);
1360		1505
1361	REQ_SEND;	1506	REQ_SEND;
1362	}	1507	}
1363		1508
1364	void	1509	void
1365	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1510	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1366	ALIAS:	1511	ALIAS:
1367	aio_mtouch = EIO_MTOUCH	1512	aio_mtouch = EIO_MTOUCH
1368	aio_msync = EIO_MSYNC	1513	aio_msync = EIO_MSYNC
1369	PPCODE:	1514	PPCODE:
1370	{	1515	{
…		…
1393	REQ_SEND;	1538	REQ_SEND;
1394	}	1539	}
1395	}	1540	}
1396		1541
1397	void	1542	void
1398	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1543	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1399	PPCODE:	1544	PPCODE:
1400	{	1545	{
1401	STRLEN svlen;	1546	STRLEN svlen;
1402	char *svptr = SvPVbyte (data, svlen);	1547	char *svptr = SvPVbyte (data, svlen);
1403	UV len = SvUV (length);	1548	UV len = SvUV (length);
…		…
1422	REQ_SEND;	1567	REQ_SEND;
1423	}	1568	}
1424	}	1569	}
1425		1570
1426	void	1571	void
1427	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1572	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1428	PPCODE:	1573	PPCODE:
1429	{	1574	{
1430	dREQ;	1575	dREQ;
1431		1576
1432	req->type = EIO_MLOCKALL;	1577	req->type = EIO_MLOCKALL;
…		…
1434		1579
1435	REQ_SEND;	1580	REQ_SEND;
1436	}	1581	}
1437		1582
1438	void	1583	void
		1584	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1585	PPCODE:
		1586	{
		1587	int fd = s_fileno_croak (fh, 0);
		1588	dREQ;
		1589
		1590	req->type = EIO_CUSTOM;
		1591	req->sv1 = newSVsv (fh);
		1592	req->int1 = fd;
		1593
		1594	req->feed = fiemap;
		1595	#if HAVE_FIEMAP
		1596	/* keep our fingers crossed that the next two types are 64 bit */
		1597	req->offs = start;
		1598	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1599	req->int2 = flags;
		1600	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1601	#endif
		1602
		1603	REQ_SEND;
		1604	}
		1605
		1606	void
1439	aio_busy (double delay, SV *callback=&PL_sv_undef)	1607	aio_busy (double delay, SV *callback = &PL_sv_undef)
1440	PPCODE:	1608	PPCODE:
1441	{	1609	{
1442	dREQ;	1610	dREQ;
1443		1611
1444	req->type = EIO_BUSY;	1612	req->type = EIO_BUSY;
…		…
1446		1614
1447	REQ_SEND;	1615	REQ_SEND;
1448	}	1616	}
1449		1617
1450	void	1618	void
1451	aio_group (SV *callback=&PL_sv_undef)	1619	aio_group (SV *callback = &PL_sv_undef)
1452	PPCODE:	1620	PPCODE:
1453	{	1621	{
1454	dREQ;	1622	dREQ;
1455		1623
1456	req->type = EIO_GROUP;	1624	req->type = EIO_GROUP;
1457		1625
		1626	PUTBACK;
1458	req_submit (req);	1627	req_submit (req);
		1628	SPAGAIN;
		1629
1459	XPUSHs (req_sv (req, aio_grp_stash));	1630	XPUSHs (req_sv (req, aio_grp_stash));
1460	}	1631	}
1461		1632
1462	void	1633	void
1463	aio_nop (SV *callback=&PL_sv_undef)	1634	aio_nop (SV *callback = &PL_sv_undef)
1464	ALIAS:	1635	ALIAS:
1465	aio_nop = EIO_NOP	1636	aio_nop = EIO_NOP
1466	aio_sync = EIO_SYNC	1637	aio_sync = EIO_SYNC
1467	PPCODE:	1638	PPCODE:
1468	{	1639	{
…		…
1472		1643
1473	REQ_SEND;	1644	REQ_SEND;
1474	}	1645	}
1475		1646
1476	int	1647	int
1477	aioreq_pri (int pri = 0)	1648	aioreq_pri (int pri = NO_INIT)
1478	CODE:	1649	CODE:
1479	RETVAL = next_pri;	1650	RETVAL = next_pri;
1480	if (items > 0)	1651	if (items > 0)
1481	{	1652	{
1482	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1653	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1564	CODE:	1735	CODE:
1565	RETVAL = posix_fadvise (fh, offset, length, advice);	1736	RETVAL = posix_fadvise (fh, offset, length, advice);
1566	OUTPUT:	1737	OUTPUT:
1567	RETVAL	1738	RETVAL
1568		1739
1569	ssize_t	1740	IV
1570	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1741	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1571	CODE:	1742	CODE:
1572	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1743	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1573	OUTPUT:	1744	OUTPUT:
1574	RETVAL	1745	RETVAL
1575		1746
1576	void	1747	void
1577	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1748	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1578	PPCODE:	1749	PPCODE:
1579	sv_unmagic (scalar, MMAP_MAGIC);	1750	sv_unmagic (scalar, MMAP_MAGIC);
1580	{	1751	{
1581	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1582	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1753	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1609	munmap (SV *scalar)	1780	munmap (SV *scalar)
1610	CODE:	1781	CODE:
1611	sv_unmagic (scalar, MMAP_MAGIC);	1782	sv_unmagic (scalar, MMAP_MAGIC);
1612		1783
1613	int	1784	int
1614	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1785	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1615	ALIAS:	1786	ALIAS:
1616	mprotect = 1	1787	mprotect = 1
1617	CODE:	1788	CODE:
1618	{	1789	{
1619	STRLEN svlen;	1790	STRLEN svlen;
1620	void *addr = SvPVbyte (scalar, svlen);	1791	void *addr = SvPVbyte (scalar, svlen);
1621	size_t len = SvUV (length);	1792	STRLEN len = SvUV (length);
1622		1793
1623	if (offset < 0)	1794	if (offset < 0)
1624	offset += svlen;	1795	offset += svlen;
1625		1796
1626	if (offset < 0 || offset > svlen)	1797	if (offset < 0 || offset > svlen)
…		…
1640	}	1811	}
1641	OUTPUT:	1812	OUTPUT:
1642	RETVAL	1813	RETVAL
1643		1814
1644	int	1815	int
1645	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1816	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1646	CODE:	1817	CODE:
1647	{	1818	{
1648	STRLEN svlen;	1819	STRLEN svlen;
1649	void *addr = SvPVbyte (scalar, svlen);	1820	void *addr = SvPVbyte (scalar, svlen);
1650	size_t len = SvUV (length);	1821	size_t len = SvUV (length);
1651		1822
1652	if (offset < 0)	1823	if (offset < 0)
1653	offset += svlen;	1824	offset += svlen;
1654		1825
…		…
1661	addr = (void *)(((intptr_t)addr) + offset);	1832	addr = (void *)(((intptr_t)addr) + offset);
1662	eio_page_align (&addr, &len);	1833	eio_page_align (&addr, &len);
1663	#if _POSIX_MEMLOCK_RANGE	1834	#if _POSIX_MEMLOCK_RANGE
1664	RETVAL = munlock (addr, len);	1835	RETVAL = munlock (addr, len);
1665	#else	1836	#else
1666	RETVAL = ((errno = ENOSYS), -1);	1837	RETVAL = EIO_ENOSYS ();
1667	#endif	1838	#endif
1668	}	1839	}
1669	OUTPUT:	1840	OUTPUT:
1670	RETVAL	1841	RETVAL
1671		1842
…		…
1673	munlockall ()	1844	munlockall ()
1674	CODE:	1845	CODE:
1675	#if _POSIX_MEMLOCK	1846	#if _POSIX_MEMLOCK
1676	munlockall ();	1847	munlockall ();
1677	#else	1848	#else
1678	RETVAL = -1;	1849	RETVAL = EIO_ENOSYS ();
1679	errno = ENOSYS;
1680	#endif	1850	#endif
1681	OUTPUT:	1851	OUTPUT:
1682	RETVAL	1852	RETVAL
		1853
		1854	int
		1855	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1856	CODE:
		1857	{
		1858	#if HAVE_LINUX_SPLICE
		1859	loff_t off_in_, off_out_;
		1860	RETVAL = splice (
		1861	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1862	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1863	length, flags
		1864	);
		1865	#else
		1866	RETVAL = EIO_ENOSYS ();
		1867	#endif
		1868	}
		1869	OUTPUT:
		1870	RETVAL
		1871
		1872	int
		1873	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1874	CODE:
		1875	#if HAVE_LINUX_SPLICE
		1876	RETVAL = tee (rfh, wfh, length, flags);
		1877	#else
		1878	RETVAL = EIO_ENOSYS ();
		1879	#endif
		1880	OUTPUT:
		1881	RETVAL
		1882
		1883	int
		1884	pipesize (aio_rfd rfh, int new_size = -1)
		1885	PROTOTYPE: $;$
		1886	CODE:
		1887	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1888	if (new_size >= 0)
		1889	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1890	else
		1891	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1892	#else
		1893	errno = ENOSYS;
		1894	RETVAL = -1;
		1895	#endif
		1896	OUTPUT:
		1897	RETVAL
		1898
		1899	void
		1900	pipe2 (int flags = 0)
		1901	PROTOTYPE: ;$
		1902	PPCODE:
		1903	{
		1904	int fd[2];
		1905	int res;
		1906
		1907	if (flags)
		1908	#if HAVE_PIPE2
		1909	res = pipe2 (fd, flags);
		1910	#else
		1911	res = (errno = ENOSYS, -1);
		1912	#endif
		1913	else
		1914	res = pipe (fd);
		1915
		1916	if (!res)
		1917	{
		1918	EXTEND (SP, 2);
		1919	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1920	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1921	}
		1922	}
1683		1923
1684	void _on_next_submit (SV *cb)	1924	void _on_next_submit (SV *cb)
1685	CODE:	1925	CODE:
1686	SvREFCNT_dec (on_next_submit);	1926	SvREFCNT_dec (on_next_submit);
1687	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1927	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1688		1928
1689	PROTOTYPES: DISABLE	1929	PROTOTYPES: DISABLE
1690		1930
		1931	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1932
		1933	BOOT:
		1934	{
		1935	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1936	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1937	}
		1938
		1939	void
		1940	DESTROY (SV *self)
		1941	CODE:
		1942	{
		1943	aio_wd wd = SvAIO_WD (self);
		1944	#if HAVE_AT
		1945	{
		1946	SV *callback = &PL_sv_undef;
		1947	dREQ; /* clobbers next_pri :/ */
		1948	next_pri = req->pri; /* restore next_pri */
		1949	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1950	req->type = EIO_WD_CLOSE;
		1951	req->wd = wd;
		1952	REQ_SEND;
		1953	}
		1954	#else
		1955	eio_wd_close_sync (wd);
		1956	#endif
		1957	}
		1958
1691	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1959	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1692		1960
1693	void	1961	void
1694	cancel (aio_req_ornot req)	1962	cancel (aio_req_ornot req)
1695	CODE:	1963	CODE:
1696	eio_cancel (req);	1964	eio_cancel (req);
1697		1965
1698	void	1966	void
1699	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1967	cb (aio_req_ornot req, SV *callback = NO_INIT)
1700	PPCODE:	1968	PPCODE:
1701	{	1969	{
1702	if (GIMME_V != G_VOID)	1970	if (GIMME_V != G_VOID)
1703	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1971	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1704		1972
1705	if (items > 1)	1973	if (items > 1)
1706	{	1974	{
1707	SV *cb_cv =get_cb (callback);	1975	SV *cb_cv = get_cb (callback);
1708		1976
1709	SvREFCNT_dec (req->callback);	1977	SvREFCNT_dec (req->callback);
1710	req->callback = SvREFCNT_inc (cb_cv);	1978	req->callback = SvREFCNT_inc (cb_cv);
1711	}	1979	}
1712	}	1980	}
…		…
1769	limit (aio_req grp, int limit)	2037	limit (aio_req grp, int limit)
1770	CODE:	2038	CODE:
1771	eio_grp_limit (grp, limit);	2039	eio_grp_limit (grp, limit);
1772		2040
1773	void	2041	void
1774	feed (aio_req grp, SV *callback=&PL_sv_undef)	2042	feed (aio_req grp, SV *callback = &PL_sv_undef)
1775	CODE:	2043	CODE:
1776	{	2044	{
1777	SvREFCNT_dec (grp->sv2);	2045	SvREFCNT_dec (grp->sv2);
1778	grp->sv2 = newSVsv (callback);	2046	grp->sv2 = newSVsv (callback);
1779	grp->feed = aio_grp_feed;	2047	grp->feed = aio_grp_feed;

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