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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.182 by root, Thu May 19 22:57:04 2011 UTC vs.
Revision 1.233 by root, Thu Jun 25 13:34:28 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;
…		…
585	case EIO_NOP:	558	case EIO_NOP:
586	case EIO_BUSY:	559	case EIO_BUSY:
587	break;	560	break;
588		561
589	case EIO_READLINK:	562	case EIO_READLINK:
		563	case EIO_REALPATH:
590	if (req->result > 0)	564	if (req->result > 0)
591	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	565	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
592	break;	566	break;
593		567
594	case EIO_STAT:	568	case EIO_STAT:
595	case EIO_LSTAT:	569	case EIO_LSTAT:
596	case EIO_FSTAT:	570	case EIO_FSTAT:
597	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	571	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		572
598	PL_laststatval = req->result;	573	if (!(PL_laststatval = req->result))
		574	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
599	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	575	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		576
600	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)));
601	break;	582	break;
602		583
603	case EIO_READ:	584	case EIO_READ:
604	{	585	{
605	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));
…		…
608	SvSETMAGIC (req->sv2);	589	SvSETMAGIC (req->sv2);
609	PUSHs (sv_result);	590	PUSHs (sv_result);
610	}	591	}
611	break;	592	break;
612		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
613	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 */
614	if (req->result > 0)	635	if (req->result > 0)
615	SvIV_set (sv_result, 0);	636	SvIV_set (sv_result, 0);
616	/* FALLTHROUGH */	637	/* FALLTHROUGH */
617		638
…		…
638	}	659	}
639		660
640	return !!SvTRUE (ERRSV);	661	return !!SvTRUE (ERRSV);
641	}	662	}
642		663
		664	static void
643	static void req_destroy (aio_req req)	665	req_destroy (aio_req req)
644	{	666	{
645	if (req->self)	667	if (req->self)
646	{	668	{
647	sv_unmagic (req->self, PERL_MAGIC_ext);	669	sv_unmagic (req->self, PERL_MAGIC_ext);
648	SvREFCNT_dec (req->self);	670	SvREFCNT_dec (req->self);
649	}	671	}
650		672
651	SvREFCNT_dec (req->sv1);	673	SvREFCNT_dec (req->sv1);
652	SvREFCNT_dec (req->sv2);	674	SvREFCNT_dec (req->sv2);
		675	SvREFCNT_dec (req->sv3);
		676	SvREFCNT_dec (req->sv4);
653	SvREFCNT_dec (req->callback);	677	SvREFCNT_dec (req->callback);
654		678
655	Safefree (req);	679	free (req);
656	}	680	}
657		681
		682	static void
658	static void req_cancel_subs (aio_req grp)	683	req_cancel_subs (aio_req grp)
659	{	684	{
660	aio_req sub;
661
662	if (grp->type != EIO_GROUP)	685	if (grp->type != EIO_GROUP)
663	return;	686	return;
664		687
665	SvREFCNT_dec (grp->sv2);	688	SvREFCNT_dec (grp->sv2);
666	grp->sv2 = 0;	689	grp->sv2 = 0;
667		690
668	eio_grp_cancel (grp);	691	eio_grp_cancel (grp);
669	}	692	}
670		693
671	static void	694	static void ecb_cold
672	create_respipe (void)	695	create_respipe (void)
673	{	696	{
674	if (s_epipe_renew (&respipe))	697	if (s_epipe_renew (&respipe))
675	croak ("IO::AIO: unable to initialize result pipe");	698	croak ("IO::AIO: unable to initialize result pipe");
676	}	699	}
677		700
678	static void poll_wait (void)	701	static void
		702	poll_wait (void)
679	{	703	{
680	while (eio_nreqs ())	704	while (eio_nreqs ())
681	{	705	{
682	int size;	706	int size;
683		707
…		…
692		716
693	s_epipe_wait (&respipe);	717	s_epipe_wait (&respipe);
694	}	718	}
695	}	719	}
696		720
697	static int poll_cb (void)	721	static int
		722	poll_cb (void)
698	{	723	{
699	for (;;)	724	for (;;)
700	{	725	{
701	int res = eio_poll ();	726	int res = eio_poll ();
702		727
…		…
708		733
709	poll_wait ();	734	poll_wait ();
710	}	735	}
711	}	736	}
712		737
713	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
714	{	740	{
715	create_respipe ();	741	create_respipe ();
		742
		743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
716	}	745	}
717		746
718	/*****************************************************************************/	747	/*****************************************************************************/
719		748
720	#if !_POSIX_MAPPED_FILES	749	#if !_POSIX_MAPPED_FILES
721	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
722	# define munmap(addr,length) (errno = ENOSYS, -1)	751	# define munmap(addr,length) EIO_ENOSYS ()
723	#endif	752	#endif
724		753
725	#if !_POSIX_MEMORY_PROTECTION	754	#if !_POSIX_MEMORY_PROTECTION
726	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
727	# define PROT_NONE 0	756	# define PROT_NONE 0
728	# define PROT_WRITE 0	757	# define PROT_WRITE 0
729	# define MAP_PRIVATE 0	758	# define MAP_PRIVATE 0
730	# define MAP_SHARED 0	759	# define MAP_SHARED 0
731	# define MAP_FIXED 0	760	# define MAP_FIXED 0
732	#endif	761	#endif
733		762
734	#define MMAP_MAGIC PERL_MAGIC_ext	763	#define MMAP_MAGIC PERL_MAGIC_ext
735		764
736	static int	765	static int ecb_cold
737	mmap_free (pTHX_ SV *sv, MAGIC *mg)	766	mmap_free (pTHX_ SV *sv, MAGIC *mg)
738	{	767	{
739	int old_errno = errno;	768	int old_errno = errno;
740	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741	errno = old_errno;	770	errno = old_errno;
…		…
765	{	794	{
766	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768	}	797	}
769		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
770	#define dREQ \	819	#define dREQ \
771	SV *cb_cv; \	820	aio_req req = dreq (callback); \
772	aio_req req; \
773	int req_pri = next_pri; \
774	next_pri = EIO_PRI_DEFAULT; \
775	\
776	cb_cv = get_cb (callback); \
777	\
778	Newz (0, req, 1, eio_req); \
779	if (!req) \
780	croak ("out of memory during eio_req allocation"); \
781	\
782	req->callback = SvREFCNT_inc (cb_cv); \
783	req->pri = req_pri
784		821
785	#define REQ_SEND \	822	#define REQ_SEND \
786	PUTBACK; \	823	PUTBACK; \
787	req_submit (req); \	824	req_submit (req); \
788	SPAGAIN; \	825	SPAGAIN; \
789	\	826	\
790	if (GIMME_V != G_VOID) \	827	if (GIMME_V != G_VOID) \
791	XPUSHs (req_sv (req, aio_req_stash));	828	XPUSHs (req_sv (req, aio_req_stash));
792		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
793	MODULE = IO::AIO PACKAGE = IO::AIO	896	MODULE = IO::AIO PACKAGE = IO::AIO
794		897
795	PROTOTYPES: ENABLE	898	PROTOTYPES: ENABLE
796		899
797	BOOT:	900	BOOT:
…		…
801	IV iv;	904	IV iv;
802	} *civ, const_iv[] = {	905	} *civ, const_iv[] = {
803	# define const_niv(name, value) { # name, (IV) value },	906	# define const_niv(name, value) { # name, (IV) value },
804	# define const_iv(name) { # name, (IV) name },	907	# define const_iv(name) { # name, (IV) name },
805	# 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)
806	const_iv (EXDEV)	913	const_iv (EXDEV)
807	const_iv (ENOSYS)	914	const_iv (EBADR)
		915
808	const_iv (O_RDONLY)	916	const_iv (O_RDONLY)
809	const_iv (O_WRONLY)	917	const_iv (O_WRONLY)
810	const_iv (O_RDWR)	918	const_iv (O_RDWR)
811	const_iv (O_CREAT)	919	const_iv (O_CREAT)
812	const_iv (O_TRUNC)	920	const_iv (O_TRUNC)
…		…
880	const_iv (MAP_LOCKED)	988	const_iv (MAP_LOCKED)
881	const_iv (MAP_NORESERVE)	989	const_iv (MAP_NORESERVE)
882	const_iv (MAP_POPULATE)	990	const_iv (MAP_POPULATE)
883	const_iv (MAP_NONBLOCK)	991	const_iv (MAP_NONBLOCK)
884		992
		993	const_iv (FIEMAP_FLAG_SYNC)
		994	const_iv (FIEMAP_FLAG_XATTR)
		995	const_iv (FIEMAP_FLAGS_COMPAT)
		996	const_iv (FIEMAP_EXTENT_LAST)
		997	const_iv (FIEMAP_EXTENT_UNKNOWN)
		998	const_iv (FIEMAP_EXTENT_DELALLOC)
		999	const_iv (FIEMAP_EXTENT_ENCODED)
		1000	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1001	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1002	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1003	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1004	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1005	const_iv (FIEMAP_EXTENT_MERGED)
		1006	const_iv (FIEMAP_EXTENT_SHARED)
		1007
		1008	const_iv (SPLICE_F_MOVE)
		1009	const_iv (SPLICE_F_NONBLOCK)
		1010	const_iv (SPLICE_F_MORE)
		1011	const_iv (SPLICE_F_GIFT)
		1012
		1013	const_iv (SEEK_DATA)
		1014	const_iv (SEEK_HOLE)
		1015
		1016	/* libeio constants */
		1017	const_eio (SEEK_SET)
		1018	const_eio (SEEK_CUR)
		1019	const_eio (SEEK_END)
		1020
885	const_eio (MCL_FUTURE)	1021	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1022	const_eio (MCL_CURRENT)
887		1023
888	const_eio (MS_ASYNC)	1024	const_eio (MS_ASYNC)
889	const_eio (MS_INVALIDATE)	1025	const_eio (MS_INVALIDATE)
…		…
892	const_eio (MT_MODIFY)	1028	const_eio (MT_MODIFY)
893		1029
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1030	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1031	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1032	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1033
		1034	const_eio (FALLOC_FL_KEEP_SIZE)
		1035	const_eio (FALLOC_FL_PUNCH_HOLE)
		1036	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1037	const_eio (FALLOC_FL_ZERO_RANGE)
897		1038
898	const_eio (READDIR_DENTS)	1039	const_eio (READDIR_DENTS)
899	const_eio (READDIR_DIRS_FIRST)	1040	const_eio (READDIR_DIRS_FIRST)
900	const_eio (READDIR_STAT_ORDER)	1041	const_eio (READDIR_STAT_ORDER)
901	const_eio (READDIR_FOUND_UNKNOWN)	1042	const_eio (READDIR_FOUND_UNKNOWN)
…		…
912	};	1053	};
913		1054
914	aio_stash = gv_stashpv ("IO::AIO" , 1);	1055	aio_stash = gv_stashpv ("IO::AIO" , 1);
915	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1056	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1057	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1058	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
917		1059
918	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1060	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
919	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1061	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
920		1062
921	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1063	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922		1064
923	create_respipe ();	1065	reinit ();
924
925	if (eio_init (want_poll, done_poll) < 0)
926	croak ("IO::AIO: unable to initialise eio library");
927
928	/* atfork child called in fifo order, so before eio's handler */
929	X_THREAD_ATFORK (0, 0, atfork_child);
930	}	1066	}
		1067
		1068	void
		1069	reinit ()
		1070	PROTOTYPE:
931		1071
932	void	1072	void
933	max_poll_reqs (unsigned int nreqs)	1073	max_poll_reqs (unsigned int nreqs)
934	PROTOTYPE: $	1074	PROTOTYPE: $
935	CODE:	1075	CODE:
…		…
970	PROTOTYPE: $	1110	PROTOTYPE: $
971	CODE:	1111	CODE:
972	max_outstanding = maxreqs;	1112	max_outstanding = maxreqs;
973		1113
974	void	1114	void
975	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1115	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
976	PPCODE:	1116	PPCODE:
977	{	1117	{
978	dREQ;	1118	dREQ;
979		1119
		1120	req->type = EIO_WD_OPEN;
		1121	req_set_path1 (req, pathname);
		1122
		1123	REQ_SEND;
		1124	}
		1125
		1126	void
		1127	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1128	PPCODE:
		1129	{
		1130	dREQ;
		1131
980	req->type = EIO_OPEN;	1132	req->type = EIO_OPEN;
981	req->sv1 = newSVsv (pathname);	1133	req_set_path1 (req, pathname);
982	req->ptr1 = SvPVbyte_nolen (req->sv1);
983	req->int1 = flags;	1134	req->int1 = flags;
984	req->int2 = mode;	1135	req->int2 = mode;
985		1136
986	REQ_SEND;	1137	REQ_SEND;
987	}	1138	}
988		1139
989	void	1140	void
990	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1141	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
991	ALIAS:	1142	ALIAS:
992	aio_fsync = EIO_FSYNC	1143	aio_fsync = EIO_FSYNC
993	aio_fdatasync = EIO_FDATASYNC	1144	aio_fdatasync = EIO_FDATASYNC
		1145	aio_syncfs = EIO_SYNCFS
994	PPCODE:	1146	PPCODE:
995	{	1147	{
996	int fd = s_fileno_croak (fh, 0);	1148	int fd = s_fileno_croak (fh, 0);
997	dREQ;	1149	dREQ;
998		1150
999	req->type = ix;	1151	req->type = ix;
1000	req->sv1 = newSVsv (fh);	1152	req->sv1 = newSVsv (fh);
1001	req->int1 = fd;	1153	req->int1 = fd;
1002		1154
1003	REQ_SEND (req);	1155	REQ_SEND;
1004	}	1156	}
1005		1157
1006	void	1158	void
1007	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1159	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1008	PPCODE:	1160	PPCODE:
1009	{	1161	{
1010	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
1011	dREQ;	1163	dREQ;
1012		1164
1013	req->type = EIO_SYNC_FILE_RANGE;	1165	req->type = EIO_SYNC_FILE_RANGE;
1014	req->sv1 = newSVsv (fh);	1166	req->sv1 = newSVsv (fh);
1015	req->int1 = fd;	1167	req->int1 = fd;
1016	req->offs = offset;	1168	req->offs = offset;
1017	req->size = nbytes;	1169	req->size = nbytes;
1018	req->int2 = flags;	1170	req->int2 = flags;
1019		1171
1020	REQ_SEND (req);	1172	REQ_SEND;
1021	}	1173	}
1022		1174
1023	void	1175	void
1024	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1176	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1025	PPCODE:	1177	PPCODE:
1026	{	1178	{
1027	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1028	int fd = s_fileno_croak (fh, 0);	1179	int fd = s_fileno_croak (fh, 0);
1029	dREQ;	1180	dREQ;
1030		1181
1031	if (close_pipe < 0)	1182	req->type = EIO_FALLOCATE;
		1183	req->sv1 = newSVsv (fh);
		1184	req->int1 = fd;
		1185	req->int2 = mode;
		1186	req->offs = offset;
		1187	req->size = len;
		1188
		1189	REQ_SEND;
		1190	}
		1191
		1192	void
		1193	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1194	PPCODE:
		1195	{
		1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1197	int fd = s_fileno_croak (fh, 0);
		1198	dREQ;
		1199
		1200	if (expect_false (close_fd < 0))
1032	{	1201	{
1033	int pipefd [2];	1202	int pipefd [2];
1034		1203
		1204	if (
		1205	#ifdef _WIN32
		1206	_pipe (pipefd, 1, _O_BINARY) < 0
		1207	#else
1035	if (pipe (pipefd) < 0	1208	pipe (pipefd) < 0
1036	|| close (pipefd [1]) < 0
1037	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1209	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1210	#endif
		1211	|| close (pipefd [1]) < 0
		1212	)
1038	abort (); /*D*/	1213	abort (); /*D*/
1039		1214
1040	close_pipe = pipefd [0];	1215	close_fd = pipefd [0];
1041	}	1216	}
1042		1217
1043	req->type = EIO_DUP2;	1218	req->type = EIO_DUP2;
1044	req->int1 = close_pipe;	1219	req->int1 = close_fd;
1045	req->sv2 = newSVsv (fh);	1220	req->sv2 = newSVsv (fh);
1046	req->int2 = fd;	1221	req->int2 = fd;
1047		1222
1048	REQ_SEND (req);	1223	REQ_SEND;
1049	}	1224	}
1050		1225
1051	void	1226	void
		1227	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1228	PPCODE:
		1229	{
		1230	int fd = s_fileno_croak (fh, 0);
		1231	dREQ;
		1232
		1233	req->type = EIO_SEEK;
		1234	req->sv1 = newSVsv (fh);
		1235	req->int1 = fd;
		1236	req->offs = SvVAL64 (offset);
		1237	req->int2 = whence;
		1238
		1239	REQ_SEND;
		1240	}
		1241
		1242	void
1052	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1243	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1053	ALIAS:	1244	ALIAS:
1054	aio_read = EIO_READ	1245	aio_read = EIO_READ
1055	aio_write = EIO_WRITE	1246	aio_write = EIO_WRITE
1056	PPCODE:	1247	PPCODE:
1057	{	1248	{
…		…
1073	len = svlen - dataoffset;	1264	len = svlen - dataoffset;
1074	}	1265	}
1075	else	1266	else
1076	{	1267	{
1077	/* read: check type and grow scalar as necessary */	1268	/* read: check type and grow scalar as necessary */
1078	SvUPGRADE (data, SVt_PV);	1269	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1079	svptr = SvGROW (data, len + dataoffset + 1);	1270	svptr = sv_grow (data, len + dataoffset + 1);
		1271	else if (SvCUR (data) < len + dataoffset)
		1272	croak ("length + dataoffset outside of scalar, and cannot grow");
1080	}	1273	}
1081		1274
1082	{	1275	{
1083	dREQ;	1276	dREQ;
1084		1277
…		…
1100	REQ_SEND;	1293	REQ_SEND;
1101	}	1294	}
1102	}	1295	}
1103		1296
1104	void	1297	void
1105	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1298	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1299	ALIAS:
		1300	aio_readlink = EIO_READLINK
		1301	aio_realpath = EIO_REALPATH
1106	PPCODE:	1302	PPCODE:
1107	{	1303	{
1108	SV *data;
1109	dREQ;	1304	dREQ;
1110		1305
1111	req->type = EIO_READLINK;	1306	req->type = ix;
1112	req->sv1 = newSVsv (path);	1307	req_set_path1 (req, pathname);
1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
1114		1308
1115	REQ_SEND;	1309	REQ_SEND;
1116	}	1310	}
1117		1311
1118	void	1312	void
1119	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1313	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1120	PPCODE:	1314	PPCODE:
1121	{	1315	{
1122	int ifd = s_fileno_croak (in_fh , 0);	1316	int ifd = s_fileno_croak (in_fh , 0);
1123	int ofd = s_fileno_croak (out_fh, 1);	1317	int ofd = s_fileno_croak (out_fh, 1);
1124	dREQ;	1318	dREQ;
1125		1319
1126	req->type = EIO_SENDFILE;	1320	req->type = EIO_SENDFILE;
1127	req->sv1 = newSVsv (out_fh);	1321	req->sv1 = newSVsv (out_fh);
1128	req->int1 = ofd;	1322	req->int1 = ofd;
…		…
1133		1327
1134	REQ_SEND;	1328	REQ_SEND;
1135	}	1329	}
1136		1330
1137	void	1331	void
1138	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1332	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1139	PPCODE:	1333	PPCODE:
1140	{	1334	{
1141	int fd = s_fileno_croak (fh, 0);	1335	int fd = s_fileno_croak (fh, 0);
1142	dREQ;	1336	dREQ;
1143		1337
1144	req->type = EIO_READAHEAD;	1338	req->type = EIO_READAHEAD;
1145	req->sv1 = newSVsv (fh);	1339	req->sv1 = newSVsv (fh);
1146	req->int1 = fd;	1340	req->int1 = fd;
…		…
1149		1343
1150	REQ_SEND;	1344	REQ_SEND;
1151	}	1345	}
1152		1346
1153	void	1347	void
1154	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1348	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1155	ALIAS:	1349	ALIAS:
1156	aio_stat = EIO_STAT	1350	aio_stat = EIO_STAT
1157	aio_lstat = EIO_LSTAT	1351	aio_lstat = EIO_LSTAT
1158	aio_statvfs = EIO_STATVFS	1352	aio_statvfs = EIO_STATVFS
1159	PPCODE:	1353	PPCODE:
1160	{	1354	{
1161	dREQ;	1355	dREQ;
1162		1356
1163	req->sv1 = newSVsv (fh_or_path);	1357	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1164
1165	if (SvPOK (req->sv1))
1166	{
1167	req->type = ix;
1168	req->ptr1 = SvPVbyte_nolen (req->sv1);
1169	}
1170	else
1171	{
1172	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1173	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1174	}
1175		1358
1176	REQ_SEND;	1359	REQ_SEND;
1177	}	1360	}
1178		1361
1179	UV	1362	UV
…		…
1191	RETVAL = makedev (maj, min);	1374	RETVAL = makedev (maj, min);
1192	OUTPUT:	1375	OUTPUT:
1193	RETVAL	1376	RETVAL
1194		1377
1195	void	1378	void
1196	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1379	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1197	PPCODE:	1380	PPCODE:
1198	{	1381	{
1199	dREQ;	1382	dREQ;
1200		1383
1201	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1384	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1202	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1385	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1203	req->sv1 = newSVsv (fh_or_path);	1386	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1204
1205	if (SvPOK (req->sv1))
1206	{
1207	req->type = EIO_UTIME;
1208	req->ptr1 = SvPVbyte_nolen (req->sv1);
1209	}
1210	else
1211	{
1212	req->type = EIO_FUTIME;
1213	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1214	}
1215		1387
1216	REQ_SEND;	1388	REQ_SEND;
1217	}	1389	}
1218		1390
1219	void	1391	void
1220	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1392	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1221	PPCODE:	1393	PPCODE:
1222	{	1394	{
1223	dREQ;	1395	dREQ;
1224		1396
1225	req->sv1 = newSVsv (fh_or_path);
1226	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1397	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1227		1398	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1228	if (SvPOK (req->sv1))
1229	{
1230	req->type = EIO_TRUNCATE;
1231	req->ptr1 = SvPVbyte_nolen (req->sv1);
1232	}
1233	else
1234	{
1235	req->type = EIO_FTRUNCATE;
1236	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1237	}
1238		1399
1239	REQ_SEND;	1400	REQ_SEND;
1240	}	1401	}
1241		1402
1242	void	1403	void
1243	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1404	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1244	ALIAS:
1245	aio_chmod = EIO_CHMOD
1246	aio_mkdir = EIO_MKDIR
1247	PPCODE:	1405	PPCODE:
1248	{	1406	{
1249	dREQ;	1407	dREQ;
1250		1408
1251	req->int2 = mode;	1409	req->int2 = mode;
1252	req->sv1 = newSVsv (fh_or_path);	1410	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1253
1254	if (SvPOK (req->sv1))
1255	{
1256	req->type = ix;
1257	req->ptr1 = SvPVbyte_nolen (req->sv1);
1258	}
1259	else
1260	{
1261	req->type = EIO_FCHMOD;
1262	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1263	}
1264		1411
1265	REQ_SEND;	1412	REQ_SEND;
1266	}	1413	}
1267		1414
1268	void	1415	void
1269	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1416	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1270	PPCODE:	1417	PPCODE:
1271	{	1418	{
1272	dREQ;	1419	dREQ;
1273		1420
1274	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1421	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1275	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1422	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1276	req->sv1 = newSVsv (fh_or_path);	1423	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1277
1278	if (SvPOK (req->sv1))
1279	{
1280	req->type = EIO_CHOWN;
1281	req->ptr1 = SvPVbyte_nolen (req->sv1);
1282	}
1283	else
1284	{
1285	req->type = EIO_FCHOWN;
1286	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1287	}
1288		1424
1289	REQ_SEND;	1425	REQ_SEND;
1290	}	1426	}
1291		1427
1292	void	1428	void
1293	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1429	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1294	PPCODE:	1430	PPCODE:
1295	{	1431	{
1296	dREQ;	1432	dREQ;
1297		1433
1298	req->type = EIO_READDIR;	1434	req->type = EIO_READDIR;
1299	req->sv1 = newSVsv (pathname);
1300	req->ptr1 = SvPVbyte_nolen (req->sv1);
1301	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1435	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1302		1436
1303	if (flags & EIO_READDIR_DENTS)	1437	if (flags & EIO_READDIR_DENTS)
1304	req->int1 |= EIO_READDIR_CUSTOM2;	1438	req->int1 |= EIO_READDIR_CUSTOM2;
1305		1439
		1440	req_set_path1 (req, pathname);
		1441
1306	REQ_SEND;	1442	REQ_SEND;
1307	}	1443	}
1308		1444
1309	void	1445	void
		1446	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1447	PPCODE:
		1448	{
		1449	dREQ;
		1450
		1451	req->type = EIO_MKDIR;
		1452	req->int2 = mode;
		1453	req_set_path1 (req, pathname);
		1454
		1455	REQ_SEND;
		1456	}
		1457
		1458	void
1310	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1459	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1311	ALIAS:	1460	ALIAS:
1312	aio_unlink = EIO_UNLINK	1461	aio_unlink = EIO_UNLINK
1313	aio_rmdir = EIO_RMDIR	1462	aio_rmdir = EIO_RMDIR
1314	aio_readdir = EIO_READDIR	1463	aio_readdir = EIO_READDIR
1315	PPCODE:	1464	PPCODE:
1316	{	1465	{
1317	dREQ;	1466	dREQ;
1318		1467
1319	req->type = ix;	1468	req->type = ix;
1320	req->sv1 = newSVsv (pathname);	1469	req_set_path1 (req, pathname);
1321	req->ptr1 = SvPVbyte_nolen (req->sv1);
1322		1470
1323	REQ_SEND;	1471	REQ_SEND;
1324	}	1472	}
1325		1473
1326	void	1474	void
1327	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1475	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1328	ALIAS:	1476	ALIAS:
1329	aio_link = EIO_LINK	1477	aio_link = EIO_LINK
1330	aio_symlink = EIO_SYMLINK	1478	aio_symlink = EIO_SYMLINK
1331	aio_rename = EIO_RENAME	1479	aio_rename = EIO_RENAME
1332	PPCODE:	1480	PPCODE:
1333	{	1481	{
		1482	eio_wd wd2 = 0;
1334	dREQ;	1483	dREQ;
1335		1484
1336	req->type = ix;	1485	req->type = ix;
1337	req->sv1 = newSVsv (oldpath);	1486	req_set_path1 (req, oldpath);
1338	req->ptr1 = SvPVbyte_nolen (req->sv1);	1487	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1339	req->sv2 = newSVsv (newpath);	1488	req->int3 = (long)wd2;
1340	req->ptr2 = SvPVbyte_nolen (req->sv2);
1341		1489
1342	REQ_SEND;	1490	REQ_SEND;
1343	}	1491	}
1344		1492
1345	void	1493	void
1346	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1494	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1347	PPCODE:	1495	PPCODE:
1348	{	1496	{
1349	dREQ;	1497	dREQ;
1350		1498
1351	req->type = EIO_MKNOD;	1499	req->type = EIO_MKNOD;
1352	req->sv1 = newSVsv (pathname);
1353	req->ptr1 = SvPVbyte_nolen (req->sv1);
1354	req->int2 = (mode_t)mode;	1500	req->int2 = (mode_t)mode;
1355	req->offs = dev;	1501	req->offs = dev;
		1502	req_set_path1 (req, pathname);
1356		1503
1357	REQ_SEND;	1504	REQ_SEND;
1358	}	1505	}
1359		1506
1360	void	1507	void
1361	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1508	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1362	ALIAS:	1509	ALIAS:
1363	aio_mtouch = EIO_MTOUCH	1510	aio_mtouch = EIO_MTOUCH
1364	aio_msync = EIO_MSYNC	1511	aio_msync = EIO_MSYNC
1365	PPCODE:	1512	PPCODE:
1366	{	1513	{
…		…
1389	REQ_SEND;	1536	REQ_SEND;
1390	}	1537	}
1391	}	1538	}
1392		1539
1393	void	1540	void
1394	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1541	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1395	PPCODE:	1542	PPCODE:
1396	{	1543	{
1397	STRLEN svlen;	1544	STRLEN svlen;
1398	char *svptr = SvPVbyte (data, svlen);	1545	char *svptr = SvPVbyte (data, svlen);
1399	UV len = SvUV (length);	1546	UV len = SvUV (length);
…		…
1418	REQ_SEND;	1565	REQ_SEND;
1419	}	1566	}
1420	}	1567	}
1421		1568
1422	void	1569	void
1423	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1570	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1424	PPCODE:	1571	PPCODE:
1425	{	1572	{
1426	dREQ;	1573	dREQ;
1427		1574
1428	req->type = EIO_MLOCKALL;	1575	req->type = EIO_MLOCKALL;
…		…
1430		1577
1431	REQ_SEND;	1578	REQ_SEND;
1432	}	1579	}
1433		1580
1434	void	1581	void
		1582	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1583	PPCODE:
		1584	{
		1585	int fd = s_fileno_croak (fh, 0);
		1586	dREQ;
		1587
		1588	req->type = EIO_CUSTOM;
		1589	req->sv1 = newSVsv (fh);
		1590	req->int1 = fd;
		1591
		1592	req->feed = fiemap;
		1593	#if HAVE_FIEMAP
		1594	/* keep our fingers crossed that the next two types are 64 bit */
		1595	req->offs = start;
		1596	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1597	req->int2 = flags;
		1598	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1599	#endif
		1600
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
1435	aio_busy (double delay, SV *callback=&PL_sv_undef)	1605	aio_busy (double delay, SV *callback = &PL_sv_undef)
1436	PPCODE:	1606	PPCODE:
1437	{	1607	{
1438	dREQ;	1608	dREQ;
1439		1609
1440	req->type = EIO_BUSY;	1610	req->type = EIO_BUSY;
…		…
1442		1612
1443	REQ_SEND;	1613	REQ_SEND;
1444	}	1614	}
1445		1615
1446	void	1616	void
1447	aio_group (SV *callback=&PL_sv_undef)	1617	aio_group (SV *callback = &PL_sv_undef)
1448	PPCODE:	1618	PPCODE:
1449	{	1619	{
1450	dREQ;	1620	dREQ;
1451		1621
1452	req->type = EIO_GROUP;	1622	req->type = EIO_GROUP;
1453		1623
		1624	PUTBACK;
1454	req_submit (req);	1625	req_submit (req);
		1626	SPAGAIN;
		1627
1455	XPUSHs (req_sv (req, aio_grp_stash));	1628	XPUSHs (req_sv (req, aio_grp_stash));
1456	}	1629	}
1457		1630
1458	void	1631	void
1459	aio_nop (SV *callback=&PL_sv_undef)	1632	aio_nop (SV *callback = &PL_sv_undef)
1460	ALIAS:	1633	ALIAS:
1461	aio_nop = EIO_NOP	1634	aio_nop = EIO_NOP
1462	aio_sync = EIO_SYNC	1635	aio_sync = EIO_SYNC
1463	PPCODE:	1636	PPCODE:
1464	{	1637	{
…		…
1468		1641
1469	REQ_SEND;	1642	REQ_SEND;
1470	}	1643	}
1471		1644
1472	int	1645	int
1473	aioreq_pri (int pri = 0)	1646	aioreq_pri (int pri = NO_INIT)
1474	CODE:	1647	CODE:
1475	RETVAL = next_pri;	1648	RETVAL = next_pri;
1476	if (items > 0)	1649	if (items > 0)
1477	{	1650	{
1478	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1651	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1560	CODE:	1733	CODE:
1561	RETVAL = posix_fadvise (fh, offset, length, advice);	1734	RETVAL = posix_fadvise (fh, offset, length, advice);
1562	OUTPUT:	1735	OUTPUT:
1563	RETVAL	1736	RETVAL
1564		1737
1565	ssize_t	1738	IV
1566	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1739	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1567	CODE:	1740	CODE:
1568	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1741	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1569	OUTPUT:	1742	OUTPUT:
1570	RETVAL	1743	RETVAL
1571		1744
1572	void	1745	void
1573	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1746	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1574	PPCODE:	1747	PPCODE:
1575	sv_unmagic (scalar, MMAP_MAGIC);	1748	sv_unmagic (scalar, MMAP_MAGIC);
1576	{	1749	{
1577	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1750	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1578	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1751	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1605	munmap (SV *scalar)	1778	munmap (SV *scalar)
1606	CODE:	1779	CODE:
1607	sv_unmagic (scalar, MMAP_MAGIC);	1780	sv_unmagic (scalar, MMAP_MAGIC);
1608		1781
1609	int	1782	int
1610	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1783	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1611	ALIAS:	1784	ALIAS:
1612	mprotect = 1	1785	mprotect = 1
1613	CODE:	1786	CODE:
1614	{	1787	{
1615	STRLEN svlen;	1788	STRLEN svlen;
1616	void *addr = SvPVbyte (scalar, svlen);	1789	void *addr = SvPVbyte (scalar, svlen);
1617	size_t len = SvUV (length);	1790	STRLEN len = SvUV (length);
1618		1791
1619	if (offset < 0)	1792	if (offset < 0)
1620	offset += svlen;	1793	offset += svlen;
1621		1794
1622	if (offset < 0 || offset > svlen)	1795	if (offset < 0 || offset > svlen)
…		…
1636	}	1809	}
1637	OUTPUT:	1810	OUTPUT:
1638	RETVAL	1811	RETVAL
1639		1812
1640	int	1813	int
1641	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1814	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1642	CODE:	1815	CODE:
1643	{	1816	{
1644	STRLEN svlen;	1817	STRLEN svlen;
1645	void *addr = SvPVbyte (scalar, svlen);	1818	void *addr = SvPVbyte (scalar, svlen);
1646	size_t len = SvUV (length);	1819	size_t len = SvUV (length);
1647		1820
1648	if (offset < 0)	1821	if (offset < 0)
1649	offset += svlen;	1822	offset += svlen;
1650		1823
…		…
1657	addr = (void *)(((intptr_t)addr) + offset);	1830	addr = (void *)(((intptr_t)addr) + offset);
1658	eio_page_align (&addr, &len);	1831	eio_page_align (&addr, &len);
1659	#if _POSIX_MEMLOCK_RANGE	1832	#if _POSIX_MEMLOCK_RANGE
1660	RETVAL = munlock (addr, len);	1833	RETVAL = munlock (addr, len);
1661	#else	1834	#else
1662	RETVAL = ((errno = ENOSYS), -1);	1835	RETVAL = EIO_ENOSYS ();
1663	#endif	1836	#endif
1664	}	1837	}
1665	OUTPUT:	1838	OUTPUT:
1666	RETVAL	1839	RETVAL
1667		1840
…		…
1669	munlockall ()	1842	munlockall ()
1670	CODE:	1843	CODE:
1671	#if _POSIX_MEMLOCK	1844	#if _POSIX_MEMLOCK
1672	munlockall ();	1845	munlockall ();
1673	#else	1846	#else
1674	RETVAL = -1;	1847	RETVAL = EIO_ENOSYS ();
1675	errno = ENOSYS;
1676	#endif	1848	#endif
1677	OUTPUT:	1849	OUTPUT:
1678	RETVAL	1850	RETVAL
		1851
		1852	int
		1853	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1854	CODE:
		1855	{
		1856	#if HAVE_LINUX_SPLICE
		1857	loff_t off_in_, off_out_;
		1858	RETVAL = splice (
		1859	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1860	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1861	length, flags
		1862	);
		1863	#else
		1864	RETVAL = EIO_ENOSYS ();
		1865	#endif
		1866	}
		1867	OUTPUT:
		1868	RETVAL
		1869
		1870	int
		1871	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1872	CODE:
		1873	#if HAVE_LINUX_SPLICE
		1874	RETVAL = tee (rfh, wfh, length, flags);
		1875	#else
		1876	RETVAL = EIO_ENOSYS ();
		1877	#endif
		1878	OUTPUT:
		1879	RETVAL
		1880
		1881	int
		1882	pipesize (aio_rfd rfh, int new_size = -1)
		1883	PROTOTYPE: $;$
		1884	CODE:
		1885	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1886	if (new_size >= 0)
		1887	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1888	else
		1889	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1890	#else
		1891	errno = ENOSYS;
		1892	RETVAL = -1;
		1893	#endif
		1894	OUTPUT:
		1895	RETVAL
		1896
		1897	void
		1898	pipe2 (int flags = 0)
		1899	PROTOTYPE: ;$
		1900	PPCODE:
		1901	{
		1902	int fd[2];
		1903	int res;
		1904
		1905	if (flags)
		1906	#if HAVE_PIPE2
		1907	res = pipe2 (fd, flags);
		1908	#else
		1909	res = (errno = ENOSYS, -1);
		1910	#endif
		1911	else
		1912	res = pipe (fd);
		1913
		1914	if (!res)
		1915	{
		1916	EXTEND (SP, 2);
		1917	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1918	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1919	}
		1920	}
1679		1921
1680	void _on_next_submit (SV *cb)	1922	void _on_next_submit (SV *cb)
1681	CODE:	1923	CODE:
1682	SvREFCNT_dec (on_next_submit);	1924	SvREFCNT_dec (on_next_submit);
1683	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1925	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1684		1926
1685	PROTOTYPES: DISABLE	1927	PROTOTYPES: DISABLE
1686		1928
		1929	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1930
		1931	BOOT:
		1932	{
		1933	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1934	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1935	}
		1936
		1937	void
		1938	DESTROY (SV *self)
		1939	CODE:
		1940	{
		1941	aio_wd wd = SvAIO_WD (self);
		1942	#if HAVE_AT
		1943	{
		1944	SV *callback = &PL_sv_undef;
		1945	dREQ; /* clobbers next_pri :/ */
		1946	next_pri = req->pri; /* restore next_pri */
		1947	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1948	req->type = EIO_WD_CLOSE;
		1949	req->wd = wd;
		1950	REQ_SEND;
		1951	}
		1952	#else
		1953	eio_wd_close_sync (wd);
		1954	#endif
		1955	}
		1956
1687	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1957	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1688		1958
1689	void	1959	void
1690	cancel (aio_req_ornot req)	1960	cancel (aio_req_ornot req)
1691	CODE:	1961	CODE:
1692	eio_cancel (req);	1962	eio_cancel (req);
1693		1963
1694	void	1964	void
1695	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1965	cb (aio_req_ornot req, SV *callback = NO_INIT)
1696	PPCODE:	1966	PPCODE:
1697	{	1967	{
1698	if (GIMME_V != G_VOID)	1968	if (GIMME_V != G_VOID)
1699	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1969	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1700		1970
1701	if (items > 1)	1971	if (items > 1)
1702	{	1972	{
1703	SV *cb_cv =get_cb (callback);	1973	SV *cb_cv = get_cb (callback);
1704		1974
1705	SvREFCNT_dec (req->callback);	1975	SvREFCNT_dec (req->callback);
1706	req->callback = SvREFCNT_inc (cb_cv);	1976	req->callback = SvREFCNT_inc (cb_cv);
1707	}	1977	}
1708	}	1978	}
…		…
1765	limit (aio_req grp, int limit)	2035	limit (aio_req grp, int limit)
1766	CODE:	2036	CODE:
1767	eio_grp_limit (grp, limit);	2037	eio_grp_limit (grp, limit);
1768		2038
1769	void	2039	void
1770	feed (aio_req grp, SV *callback=&PL_sv_undef)	2040	feed (aio_req grp, SV *callback = &PL_sv_undef)
1771	CODE:	2041	CODE:
1772	{	2042	{
1773	SvREFCNT_dec (grp->sv2);	2043	SvREFCNT_dec (grp->sv2);
1774	grp->sv2 = newSVsv (callback);	2044	grp->sv2 = newSVsv (callback);
1775	grp->feed = aio_grp_feed;	2045	grp->feed = aio_grp_feed;

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