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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.174 by root, Mon Nov 1 22:03:43 2010 UTC vs.
Revision 1.210 by root, Fri Apr 6 11:39:25 2012 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/fiemap.h>
		28	# define HAVE_FIEMAP 1
		29	# endif
		30	#endif
		31
25	/* perl namespace pollution */	32	/* perl namespace pollution */
26	#undef VERSION	33	#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		34
77	/* perl stupidly overrides readdir and maybe others */	35	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	36	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	37	#undef readdir
80	#undef opendir	38	#undef opendir
81	#undef closedir	39	#undef closedir
82		40
		41	#ifdef _WIN32
		42
		43	// perl overrides all those nice libc functions
		44
		45	#undef malloc
		46	#undef free
		47	#undef open
		48	#undef read
		49	#undef write
		50	#undef send
		51	#undef recv
		52	#undef stat
		53	#undef lstat
		54	#undef fstat
		55	#undef truncate
		56	#undef ftruncate
		57	#undef open
		58	#undef link
		59	#undef close
		60	#undef unlink
		61	#undef mkdir
		62	#undef rmdir
		63	#undef rename
		64	#undef lseek
		65	#undef opendir
		66	#undef readdir
		67	#undef closedir
		68	#undef chmod
		69	#undef fchmod
		70	#undef dup
		71	#undef dup2
		72	#undef abort
		73	#undef pipe
		74
		75	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	76	#define EIO_STRUCT_STATI64
84		77
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	78	#else
91	# define VAL64 NV	79
92	# define SvVAL64 SvNV	80	#include <sys/time.h>
93	# define newSVval64 newSVnv	81	#include <sys/select.h>
		82	#include <unistd.h>
		83	#include <utime.h>
		84	#include <signal.h>
		85
		86	#define EIO_STRUCT_STAT Stat_t
		87
94	#endif	88	#endif
95		89
96	/*****************************************************************************/	90	/*****************************************************************************/
97		91
98	#if __GNUC__ >= 3	92	#if __GNUC__ >= 3
…		…
108		102
109	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
112		106
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		108
115	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
116	SV *callback; \	110	SV *callback; \
117	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
118	STRLEN stroffset; \	113	STRLEN stroffset; \
119	SV *self;	114	SV *self;
120		115
121	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
122		117
		118	#include "libeio/config.h"
123	#include "libeio/eio.h"	119	#include "libeio/eio.h"
124		120
125	#ifndef POSIX_FADV_NORMAL	121	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	122	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	123	static void req_destroy (eio_req *grp);
128	#endif	124	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		125
145	#if _XOPEN_SOURCE < 600 || NO_FADVISE	126	#include "libeio/eio.c"
		127
		128	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	129	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	130	#endif
148		131
149	#ifndef POSIX_MADV_NORMAL	132	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	133	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef PROT_NONE
171	# define PROT_NONE 0
172	#endif
173	#ifndef PROT_READ
174	# define PROT_READ 0
175	#endif
176	#ifndef PROT_WRITE
177	# define PROT_READ 0
178	#endif
179	#ifndef PROT_EXEC
180	# define PROT_EXEC 0
181	#endif
182
183	#ifndef ST_NODEV
184	# define ST_NODEV 0
185	#endif
186	#ifndef ST_NOEXEC
187	# define ST_NOEXEC 0
188	#endif
189	#ifndef ST_SYNCHRONOUS
190	# define ST_SYNCHRONOUS 0
191	#endif
192	#ifndef ST_MANDLOCK
193	# define ST_MANDLOCK 0
194	#endif
195	#ifndef ST_WRITE
196	# define ST_WRITE 0
197	#endif
198	#ifndef ST_APPEND
199	# define ST_APPEND 0
200	#endif
201	#ifndef ST_IMMUTABLE
202	# define ST_IMMUTABLE 0
203	#endif
204	#ifndef ST_NOATIME
205	# define ST_NOATIME 0
206	#endif
207	#ifndef ST_NODIRATIME
208	# define ST_NODIRATIME 0
209	#endif
210	#ifndef ST_RELATIME
211	# define ST_RELATIME 0
212	#endif	134	#endif
213		135
214	#ifndef MAP_ANONYMOUS	136	#ifndef MAP_ANONYMOUS
215	# ifdef MAP_ANON	137	# ifdef MAP_ANON
216	# define MAP_ANONYMOUS MAP_ANON	138	# define MAP_ANONYMOUS MAP_ANON
217	# else	139	# else
218	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219	# endif	141	# endif
220	#endif	142	#endif
221	#ifndef MAP_HUGETLB	143
222	# define MAP_HUGETLB 0	144	/* defines all sorts of constants to 0 unless they are already defined */
		145	#include "def0.h"
		146
		147	#ifndef makedev
		148	# define makedev(maj,min) (((maj) << 8) | (min))
223	#endif	149	#endif
224	#ifndef MAP_LOCKED	150	#ifndef major
225	# define MAP_LOCKED 0	151	# define major(dev) ((dev) >> 8)
226	#endif	152	#endif
227	#ifndef MAP_NORESERVE	153	#ifndef minor
228	# define MAP_NORESERVE 0	154	# define minor(dev) ((dev) & 0xff)
229	#endif
230	#ifndef MAP_POPULATE
231	# define MAP_POPULATE 0
232	#endif
233	#ifndef MAP_NONBLOCK
234	# define MAP_NONBLOCK 0
235	#endif	155	#endif
236		156
237	#ifndef PAGESIZE	157	#ifndef PAGESIZE
238	# define PAGESIZE sysconf (_SC_PAGESIZE)	158	# define PAGESIZE sysconf (_SC_PAGESIZE)
239	#endif	159	#endif
240		160
241	static int req_invoke (eio_req *req);	161	/*****************************************************************************/
242	#define EIO_FINISH(req) req_invoke (req)	162
243	static void req_destroy (eio_req *grp);	163	static void
244	#define EIO_DESTROY(req) req_destroy (req)	164	fiemap (eio_req *req)
		165	{
		166	req->result = -1;
		167
		168	#if HAVE_FIEMAP
		169	for (;;)
		170	{
		171	int count = req->int3;
		172
		173	if (count < 0)
		174	{
		175	struct fiemap fiemap;
		176
		177	fiemap.fm_start = req->offs;
		178	fiemap.fm_length = req->size;
		179	fiemap.fm_flags = req->int2;
		180	fiemap.fm_extent_count = 0;
		181
		182	if (ioctl (req->int1, FS_IOC_FIEMAP, &fiemap))
		183	return;
		184
		185	count = fiemap.fm_mapped_extents;
		186	}
		187
		188	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194	req->flags |= EIO_FLAG_PTR1_FREE;
		195
		196	fiemap->fm_start = req->offs;
		197	fiemap->fm_length = req->size;
		198	fiemap->fm_flags = req->int2;
		199	fiemap->fm_extent_count = count;
		200
		201	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		202	return;
		203
		204	if (req->int3 >= 0)
		205	break; /* when not autosizing we are done */
		206
		207	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		208	break; /* autosizing successful, we are done */
		209
		210	free (fiemap);
		211	}
		212
		213	req->result = 0;
		214
		215	#else
		216	errno = ENOSYS;
		217	#endif
		218	}
		219
		220	/*****************************************************************************/
245		221
246	enum {	222	enum {
247	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
248	};	224	};
249		225
250	#include "libeio/eio.c"
251
252	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
253	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
		228	typedef eio_wd aio_wd;
254		229
255	static SV *on_next_submit;	230	static SV *on_next_submit;
256	static int next_pri = EIO_PRI_DEFAULT;	231	static int next_pri = EIO_PRI_DEFAULT;
257	static int max_outstanding;	232	static int max_outstanding;
258		233
259	static s_epipe respipe;	234	static s_epipe respipe;
260		235
261	static void req_destroy (aio_req req);	236	static void req_destroy (aio_req req);
262	static void req_cancel (aio_req req);	237	static void req_cancel (aio_req req);
263		238
264	static void want_poll (void)	239	static void
		240	want_poll (void)
265	{	241	{
266	/* write a dummy byte to the pipe so fh becomes ready */	242	/* write a dummy byte to the pipe so fh becomes ready */
267	s_epipe_signal (&respipe);	243	s_epipe_signal (&respipe);
268	}	244	}
269		245
270	static void done_poll (void)	246	static void
		247	done_poll (void)
271	{	248	{
272	/* read any signals sent by the worker threads */	249	/* read any signals sent by the worker threads */
273	s_epipe_drain (&respipe);	250	s_epipe_drain (&respipe);
274	}	251	}
275		252
276	/* must be called at most once */	253	/* must be called at most once */
		254	static SV *
277	static SV *req_sv (aio_req req, HV *stash)	255	req_sv (aio_req req, HV *stash)
278	{	256	{
279	if (!req->self)	257	if (!req->self)
280	{	258	{
281	req->self = (SV *)newHV ();	259	req->self = (SV *)newHV ();
282	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	260	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
283	}	261	}
284		262
285	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	263	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
286	}	264	}
287		265
288	static aio_req SvAIO_REQ (SV *sv)	266	static SV *
		267	newSVaio_wd (aio_wd wd)
		268	{
		269	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		270	}
		271
		272	static aio_req
		273	SvAIO_REQ (SV *sv)
289	{	274	{
290	MAGIC *mg;	275	MAGIC *mg;
291		276
292	if (!SvROK (sv)	277	if (!SvROK (sv)
		278	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
293	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
294	&& SvSTASH (SvRV (sv)) != aio_req_stash	280	&& SvSTASH (SvRV (sv)) != aio_req_stash
295	&& !sv_derived_from (sv, "IO::AIO::REQ")))	281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
296	croak ("object of class IO::AIO::REQ expected");	282	croak ("object of class IO::AIO::REQ expected");
297		283
298	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
299		285
300	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
301	}	287	}
302		288
		289	static aio_wd
		290	SvAIO_WD (SV *sv)
		291	{
		292	if (!SvROK (sv)
		293	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		294	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		295	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		296
		297	return (aio_wd)(long)SvIVX (SvRV (sv));
		298	}
		299
		300	static void
303	static void aio_grp_feed (aio_req grp)	301	aio_grp_feed (aio_req grp)
304	{	302	{
305	if (grp->sv2 && SvOK (grp->sv2))	303	if (grp->sv2 && SvOK (grp->sv2))
306	{	304	{
307	dSP;	305	dSP;
308		306
…		…
316	FREETMPS;	314	FREETMPS;
317	LEAVE;	315	LEAVE;
318	}	316	}
319	}	317	}
320		318
		319	static void
321	static void req_submit (eio_req *req)	320	req_submit (eio_req *req)
322	{	321	{
323	eio_submit (req);	322	eio_submit (req);
324		323
325	if (expect_false (on_next_submit))	324	if (expect_false (on_next_submit))
326	{	325	{
…		…
333	PUTBACK;	332	PUTBACK;
334	call_sv (cb, G_DISCARD | G_EVAL);	333	call_sv (cb, G_DISCARD | G_EVAL);
335	}	334	}
336	}	335	}
337		336
		337	static int
338	static int req_invoke (eio_req *req)	338	req_invoke (eio_req *req)
339	{	339	{
340	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
341	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
342		342
343	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
…		…
354	/* do not recreate the result IV from scratch each time */	354	/* do not recreate the result IV from scratch each time */
355	if (expect_true (sv_result_cache))	355	if (expect_true (sv_result_cache))
356	{	356	{
357	sv_result = sv_result_cache; sv_result_cache = 0;	357	sv_result = sv_result_cache; sv_result_cache = 0;
358	SvIV_set (sv_result, req->result);	358	SvIV_set (sv_result, req->result);
		359	SvIOK_only (sv_result);
359	}	360	}
360	else	361	else
361	{	362	{
362	sv_result = newSViv (req->result);	363	sv_result = newSViv (req->result);
363	SvREADONLY_on (sv_result);	364	SvREADONLY_on (sv_result);
364	}	365	}
365		366
366	switch (req->type)	367	switch (req->type)
367	{	368	{
		369	case EIO_WD_OPEN:
		370	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		371	break;
		372
368	case EIO_READDIR:	373	case EIO_READDIR:
369	{	374	{
370	SV *rv = &PL_sv_undef;	375	SV *rv = &PL_sv_undef;
371		376
372	if (req->result >= 0)	377	if (req->result >= 0)
…		…
460	case EIO_STATVFS:	465	case EIO_STATVFS:
461	case EIO_FSTATVFS:	466	case EIO_FSTATVFS:
462	{	467	{
463	SV *rv = &PL_sv_undef;	468	SV *rv = &PL_sv_undef;
464		469
		470	#ifndef _WIN32
465	if (req->result >= 0)	471	if (req->result >= 0)
466	{	472	{
467	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468	HV *hv = newHV ();	474	HV *hv = newHV ();
469		475
…		…
479	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	485	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	486	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
481	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	487	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	488	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483	}	489	}
		490	#endif
484		491
485	PUSHs (rv);	492	PUSHs (rv);
486	}	493	}
487		494
488	break;	495	break;
…		…
504	case EIO_NOP:	511	case EIO_NOP:
505	case EIO_BUSY:	512	case EIO_BUSY:
506	break;	513	break;
507		514
508	case EIO_READLINK:	515	case EIO_READLINK:
		516	case EIO_REALPATH:
509	if (req->result > 0)	517	if (req->result > 0)
510	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	518	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511	break;	519	break;
512		520
513	case EIO_STAT:	521	case EIO_STAT:
514	case EIO_LSTAT:	522	case EIO_LSTAT:
515	case EIO_FSTAT:	523	case EIO_FSTAT:
516	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	524	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		525
517	PL_laststatval = req->result;	526	if (!(PL_laststatval = req->result))
		527	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
518	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	528	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		529
519	PUSHs (sv_result);	530	PUSHs (sv_result);
		531	break;
		532
		533	case EIO_SEEK:
		534	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520	break;	535	break;
521		536
522	case EIO_READ:	537	case EIO_READ:
523	{	538	{
524	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	539	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
527	SvSETMAGIC (req->sv2);	542	SvSETMAGIC (req->sv2);
528	PUSHs (sv_result);	543	PUSHs (sv_result);
529	}	544	}
530	break;	545	break;
531		546
		547	case EIO_CUSTOM:
		548	if (req->feed == fiemap)
		549	{
		550	if (!req->result)
		551	{
		552	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		553
		554	if (fiemap->fm_extent_count)
		555	{
		556	AV *av = newAV ();
		557	int i;
		558
		559	while (fiemap->fm_mapped_extents)
		560	{
		561	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		562	AV *ext_av = newAV ();
		563
		564	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		565	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		566	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		567	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		568
		569	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		570	}
		571
		572	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		573	}
		574	else
		575	{
		576	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		577	PUSHs (sv_result);
		578	}
		579	}
		580	}
		581	else
		582	PUSHs (sv_result);
		583	break;
		584
532	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	585	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533	if (req->result > 0)	586	if (req->result > 0)
534	SvIV_set (sv_result, 0);	587	SvIV_set (sv_result, 0);
535	/* FALLTHROUGH */	588	/* FALLTHROUGH */
536		589
537	default:	590	default:
…		…
557	}	610	}
558		611
559	return !!SvTRUE (ERRSV);	612	return !!SvTRUE (ERRSV);
560	}	613	}
561		614
		615	static void
562	static void req_destroy (aio_req req)	616	req_destroy (aio_req req)
563	{	617	{
564	if (req->self)	618	if (req->self)
565	{	619	{
566	sv_unmagic (req->self, PERL_MAGIC_ext);	620	sv_unmagic (req->self, PERL_MAGIC_ext);
567	SvREFCNT_dec (req->self);	621	SvREFCNT_dec (req->self);
568	}	622	}
569		623
570	SvREFCNT_dec (req->sv1);	624	SvREFCNT_dec (req->sv1);
571	SvREFCNT_dec (req->sv2);	625	SvREFCNT_dec (req->sv2);
		626	SvREFCNT_dec (req->sv3);
		627	SvREFCNT_dec (req->sv4);
572	SvREFCNT_dec (req->callback);	628	SvREFCNT_dec (req->callback);
573		629
574	Safefree (req);	630	free (req);
575	}	631	}
576		632
		633	static void
577	static void req_cancel_subs (aio_req grp)	634	req_cancel_subs (aio_req grp)
578	{	635	{
579	aio_req sub;
580
581	if (grp->type != EIO_GROUP)	636	if (grp->type != EIO_GROUP)
582	return;	637	return;
583		638
584	SvREFCNT_dec (grp->sv2);	639	SvREFCNT_dec (grp->sv2);
585	grp->sv2 = 0;	640	grp->sv2 = 0;
586		641
587	eio_grp_cancel (grp);	642	eio_grp_cancel (grp);
588	}	643	}
589		644
590	static void	645	static void ecb_cold
591	create_respipe (void)	646	create_respipe (void)
592	{	647	{
593	if (s_epipe_renew (&respipe))	648	if (s_epipe_renew (&respipe))
594	croak ("IO::AIO: unable to initialize result pipe");	649	croak ("IO::AIO: unable to initialize result pipe");
595	}	650	}
596		651
597	static void poll_wait (void)	652	static void
		653	poll_wait (void)
598	{	654	{
599	while (eio_nreqs ())	655	while (eio_nreqs ())
600	{	656	{
601	int size;	657	int size;
602		658
…		…
611		667
612	s_epipe_wait (&respipe);	668	s_epipe_wait (&respipe);
613	}	669	}
614	}	670	}
615		671
616	static int poll_cb (void)	672	static int
		673	poll_cb (void)
617	{	674	{
618	for (;;)	675	for (;;)
619	{	676	{
620	int res = eio_poll ();	677	int res = eio_poll ();
621		678
…		…
627		684
628	poll_wait ();	685	poll_wait ();
629	}	686	}
630	}	687	}
631		688
632	static void atfork_child (void)	689	static void ecb_cold
		690	reinit (void)
633	{	691	{
634	create_respipe ();	692	create_respipe ();
		693
		694	if (eio_init (want_poll, done_poll) < 0)
		695	croak ("IO::AIO: unable to initialise eio library");
635	}	696	}
636		697
637	/*****************************************************************************/	698	/*****************************************************************************/
638		699
639	#if !_POSIX_MAPPED_FILES	700	#if !_POSIX_MAPPED_FILES
640	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	701	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641	# define munmap(addr,length) (errno = ENOSYS, -1)	702	# define munmap(addr,length) (errno = ENOSYS, -1)
		703	#endif
		704
		705	#if !_POSIX_MEMORY_PROTECTION
642	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	706	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
643	# define PROT_NONE 0	707	# define PROT_NONE 0
644	# define PROT_WRITE 0	708	# define PROT_WRITE 0
645	# define MAP_PRIVATE 0	709	# define MAP_PRIVATE 0
646	# define MAP_SHARED 0	710	# define MAP_SHARED 0
647	# define MAP_FIXED 0	711	# define MAP_FIXED 0
648	#endif	712	#endif
649		713
650	#define MMAP_MAGIC PERL_MAGIC_ext	714	#define MMAP_MAGIC PERL_MAGIC_ext
651		715
652	static int	716	static int ecb_cold
653	mmap_free (pTHX_ SV *sv, MAGIC *mg)	717	mmap_free (pTHX_ SV *sv, MAGIC *mg)
654	{	718	{
655	int old_errno = errno;	719	int old_errno = errno;
656	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	720	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
657	errno = old_errno;	721	errno = old_errno;
…		…
681	{	745	{
682	SvGETMAGIC (cb_sv);	746	SvGETMAGIC (cb_sv);
683	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	747	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
684	}	748	}
685		749
		750	static aio_req ecb_noinline
		751	dreq (SV *callback)
		752	{
		753	SV *cb_cv;
		754	aio_req req;
		755	int req_pri = next_pri;
		756	next_pri = EIO_PRI_DEFAULT;
		757
		758	cb_cv = get_cb (callback);
		759
		760	req = calloc (sizeof (*req), 1);
		761	if (!req)
		762	croak ("out of memory during eio_req allocation");
		763
		764	req->callback = SvREFCNT_inc (cb_cv);
		765	req->pri = req_pri;
		766
		767	return req;
		768	}
		769
686	#define dREQ \	770	#define dREQ \
687	SV *cb_cv; \	771	aio_req req = dreq (callback); \
688	aio_req req; \
689	int req_pri = next_pri; \
690	next_pri = EIO_PRI_DEFAULT; \
691	\
692	cb_cv = get_cb (callback); \
693	\
694	Newz (0, req, 1, eio_req); \
695	if (!req) \
696	croak ("out of memory during eio_req allocation"); \
697	\
698	req->callback = SvREFCNT_inc (cb_cv); \
699	req->pri = req_pri
700		772
701	#define REQ_SEND \	773	#define REQ_SEND \
702	PUTBACK; \	774	PUTBACK; \
703	req_submit (req); \	775	req_submit (req); \
704	SPAGAIN; \	776	SPAGAIN; \
705	\	777	\
706	if (GIMME_V != G_VOID) \	778	if (GIMME_V != G_VOID) \
707	XPUSHs (req_sv (req, aio_req_stash));	779	XPUSHs (req_sv (req, aio_req_stash));
708		780
		781	ecb_inline void
		782	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		783	{
		784	if (expect_false (SvROK (path)))
		785	{
		786	SV *rv = SvRV (path);
		787	SV *wdob;
		788
		789	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		790	{
		791	path = AvARRAY (rv)[1];
		792	wdob = AvARRAY (rv)[0];
		793
		794	if (SvOK (wdob))
		795	{
		796	*wd = SvAIO_WD (wdob);
		797	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		798	}
		799	else
		800	*wd = EIO_INVALID_WD;
		801	}
		802	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		803	{
		804	*wd = (aio_wd)(long)SvIVX (rv);
		805	*wdsv = SvREFCNT_inc_NN (rv);
		806	*ptr = ".";
		807	return; /* path set to "." */
		808	}
		809	else
		810	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		811	}
		812
		813	*pathsv = newSVsv (path);
		814	*ptr = SvPVbyte_nolen (*pathsv);
		815	}
		816
		817	static void ecb_noinline
		818	req_set_path1 (aio_req req, SV *path)
		819	{
		820	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		821	}
		822
		823	static void ecb_noinline
		824	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		825	{
		826	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		827
		828	switch (SvTYPE (rv))
		829	{
		830	case SVt_PVIO:
		831	case SVt_PVLV:
		832	case SVt_PVGV:
		833	req->type = type_fh;
		834	req->sv1 = newSVsv (fh_or_path);
		835	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		836	break;
		837
		838	default:
		839	req->type = type_path;
		840	req_set_path1 (req, fh_or_path);
		841	break;
		842	}
		843	}
		844
		845	XS(boot_IO__AIO) ecb_cold;
		846
709	MODULE = IO::AIO PACKAGE = IO::AIO	847	MODULE = IO::AIO PACKAGE = IO::AIO
710		848
711	PROTOTYPES: ENABLE	849	PROTOTYPES: ENABLE
712		850
713	BOOT:	851	BOOT:
…		…
717	IV iv;	855	IV iv;
718	} *civ, const_iv[] = {	856	} *civ, const_iv[] = {
719	# define const_niv(name, value) { # name, (IV) value },	857	# define const_niv(name, value) { # name, (IV) value },
720	# define const_iv(name) { # name, (IV) name },	858	# define const_iv(name) { # name, (IV) name },
721	# define const_eio(name) { # name, (IV) EIO_ ## name },	859	# define const_eio(name) { # name, (IV) EIO_ ## name },
		860
		861	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		862
		863	const_iv (ENOSYS)
722	const_iv (EXDEV)	864	const_iv (EXDEV)
723	const_iv (ENOSYS)	865	const_iv (EBADR)
		866
724	const_iv (O_RDONLY)	867	const_iv (O_RDONLY)
725	const_iv (O_WRONLY)	868	const_iv (O_WRONLY)
726	const_iv (O_RDWR)	869	const_iv (O_RDWR)
727	const_iv (O_CREAT)	870	const_iv (O_CREAT)
728	const_iv (O_TRUNC)	871	const_iv (O_TRUNC)
729	const_iv (O_EXCL)	872	const_iv (O_EXCL)
730	const_iv (O_APPEND)	873	const_iv (O_APPEND)
731	#ifndef _WIN32	874
		875	const_iv (O_ASYNC)
		876	const_iv (O_DIRECT)
		877	const_iv (O_NOATIME)
		878
		879	const_iv (O_CLOEXEC)
		880	const_iv (O_NOCTTY)
		881	const_iv (O_NOFOLLOW)
		882	const_iv (O_NONBLOCK)
		883	const_iv (O_EXEC)
		884	const_iv (O_SEARCH)
		885	const_iv (O_DIRECTORY)
		886	const_iv (O_DSYNC)
		887	const_iv (O_RSYNC)
		888	const_iv (O_SYNC)
		889	const_iv (O_TTY_INIT)
		890
732	const_iv (S_IFIFO)	891	const_iv (S_IFIFO)
733	#endif	892	const_iv (S_IFCHR)
		893	const_iv (S_IFBLK)
		894	const_iv (S_IFLNK)
		895	const_iv (S_IFREG)
		896	const_iv (S_IFDIR)
		897	const_iv (S_IFWHT)
		898	const_iv (S_IFSOCK)
		899	const_iv (S_IFMT)
		900
734	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	901	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
735	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	902	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
736	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	903	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
737	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	904	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
738	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	905	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
772	const_iv (MAP_LOCKED)	939	const_iv (MAP_LOCKED)
773	const_iv (MAP_NORESERVE)	940	const_iv (MAP_NORESERVE)
774	const_iv (MAP_POPULATE)	941	const_iv (MAP_POPULATE)
775	const_iv (MAP_NONBLOCK)	942	const_iv (MAP_NONBLOCK)
776		943
		944	const_iv (FIEMAP_FLAG_SYNC)
		945	const_iv (FIEMAP_FLAG_XATTR)
		946	const_iv (FIEMAP_FLAGS_COMPAT)
		947	const_iv (FIEMAP_EXTENT_LAST)
		948	const_iv (FIEMAP_EXTENT_UNKNOWN)
		949	const_iv (FIEMAP_EXTENT_DELALLOC)
		950	const_iv (FIEMAP_EXTENT_ENCODED)
		951	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		952	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		953	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		954	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		955	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		956	const_iv (FIEMAP_EXTENT_MERGED)
		957	const_iv (FIEMAP_EXTENT_SHARED)
		958
		959	const_eio (SEEK_SET)
		960	const_eio (SEEK_CUR)
		961	const_eio (SEEK_END)
		962
777	const_eio (MCL_FUTURE)	963	const_eio (MCL_FUTURE)
778	const_eio (MCL_CURRENT)	964	const_eio (MCL_CURRENT)
779		965
780	const_eio (MS_ASYNC)	966	const_eio (MS_ASYNC)
781	const_eio (MS_INVALIDATE)	967	const_eio (MS_INVALIDATE)
…		…
784	const_eio (MT_MODIFY)	970	const_eio (MT_MODIFY)
785		971
786	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	972	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
787	const_eio (SYNC_FILE_RANGE_WRITE)	973	const_eio (SYNC_FILE_RANGE_WRITE)
788	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	974	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		975
		976	const_eio (FALLOC_FL_KEEP_SIZE)
789		977
790	const_eio (READDIR_DENTS)	978	const_eio (READDIR_DENTS)
791	const_eio (READDIR_DIRS_FIRST)	979	const_eio (READDIR_DIRS_FIRST)
792	const_eio (READDIR_STAT_ORDER)	980	const_eio (READDIR_STAT_ORDER)
793	const_eio (READDIR_FOUND_UNKNOWN)	981	const_eio (READDIR_FOUND_UNKNOWN)
…		…
804	};	992	};
805		993
806	aio_stash = gv_stashpv ("IO::AIO" , 1);	994	aio_stash = gv_stashpv ("IO::AIO" , 1);
807	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	995	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
808	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	996	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		997	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
809		998
810	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	999	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
811	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1000	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
812		1001
813	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1002	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
814		1003
815	create_respipe ();	1004	reinit ();
816
817	if (eio_init (want_poll, done_poll) < 0)
818	croak ("IO::AIO: unable to initialise eio library");
819
820	/* atfork child called in fifo order, so before eio's handler */
821	X_THREAD_ATFORK (0, 0, atfork_child);
822	}	1005	}
823		1006
824	void	1007	void
		1008	reinit ()
		1009	PROTOTYPE:
		1010
		1011	void
825	max_poll_reqs (int nreqs)	1012	max_poll_reqs (unsigned int nreqs)
826	PROTOTYPE: $	1013	PROTOTYPE: $
827	CODE:	1014	CODE:
828	eio_set_max_poll_reqs (nreqs);	1015	eio_set_max_poll_reqs (nreqs);
829		1016
830	void	1017	void
…		…
832	PROTOTYPE: $	1019	PROTOTYPE: $
833	CODE:	1020	CODE:
834	eio_set_max_poll_time (nseconds);	1021	eio_set_max_poll_time (nseconds);
835		1022
836	void	1023	void
837	min_parallel (int nthreads)	1024	min_parallel (unsigned int nthreads)
838	PROTOTYPE: $	1025	PROTOTYPE: $
839	CODE:	1026	CODE:
840	eio_set_min_parallel (nthreads);	1027	eio_set_min_parallel (nthreads);
841		1028
842	void	1029	void
843	max_parallel (int nthreads)	1030	max_parallel (unsigned int nthreads)
844	PROTOTYPE: $	1031	PROTOTYPE: $
845	CODE:	1032	CODE:
846	eio_set_max_parallel (nthreads);	1033	eio_set_max_parallel (nthreads);
847		1034
848	void	1035	void
849	max_idle (int nthreads)	1036	max_idle (unsigned int nthreads)
850	PROTOTYPE: $	1037	PROTOTYPE: $
851	CODE:	1038	CODE:
852	eio_set_max_idle (nthreads);	1039	eio_set_max_idle (nthreads);
853		1040
854	void	1041	void
		1042	idle_timeout (unsigned int seconds)
		1043	PROTOTYPE: $
		1044	CODE:
		1045	eio_set_idle_timeout (seconds);
		1046
		1047	void
855	max_outstanding (int maxreqs)	1048	max_outstanding (unsigned int maxreqs)
856	PROTOTYPE: $	1049	PROTOTYPE: $
857	CODE:	1050	CODE:
858	max_outstanding = maxreqs;	1051	max_outstanding = maxreqs;
859		1052
860	void	1053	void
		1054	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1055	PPCODE:
		1056	{
		1057	dREQ;
		1058
		1059	req->type = EIO_WD_OPEN;
		1060	req_set_path1 (req, pathname);
		1061
		1062	REQ_SEND;
		1063	}
		1064
		1065	void
861	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1066	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
862	PPCODE:	1067	PPCODE:
863	{	1068	{
864	dREQ;	1069	dREQ;
865		1070
866	req->type = EIO_OPEN;	1071	req->type = EIO_OPEN;
867	req->sv1 = newSVsv (pathname);	1072	req_set_path1 (req, pathname);
868	req->ptr1 = SvPVbyte_nolen (req->sv1);
869	req->int1 = flags;	1073	req->int1 = flags;
870	req->int2 = mode;	1074	req->int2 = mode;
871		1075
872	REQ_SEND;	1076	REQ_SEND;
873	}	1077	}
…		…
875	void	1079	void
876	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1080	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
877	ALIAS:	1081	ALIAS:
878	aio_fsync = EIO_FSYNC	1082	aio_fsync = EIO_FSYNC
879	aio_fdatasync = EIO_FDATASYNC	1083	aio_fdatasync = EIO_FDATASYNC
		1084	aio_syncfs = EIO_SYNCFS
880	PPCODE:	1085	PPCODE:
881	{	1086	{
882	int fd = s_fileno_croak (fh, 0);	1087	int fd = s_fileno_croak (fh, 0);
883	dREQ;	1088	dREQ;
884		1089
885	req->type = ix;	1090	req->type = ix;
886	req->sv1 = newSVsv (fh);	1091	req->sv1 = newSVsv (fh);
887	req->int1 = fd;	1092	req->int1 = fd;
888		1093
889	REQ_SEND (req);	1094	REQ_SEND;
890	}	1095	}
891		1096
892	void	1097	void
893	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1098	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
894	PPCODE:	1099	PPCODE:
…		…
901	req->int1 = fd;	1106	req->int1 = fd;
902	req->offs = offset;	1107	req->offs = offset;
903	req->size = nbytes;	1108	req->size = nbytes;
904	req->int2 = flags;	1109	req->int2 = flags;
905		1110
906	REQ_SEND (req);	1111	REQ_SEND;
		1112	}
		1113
		1114	void
		1115	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1116	PPCODE:
		1117	{
		1118	int fd = s_fileno_croak (fh, 0);
		1119	dREQ;
		1120
		1121	req->type = EIO_FALLOCATE;
		1122	req->sv1 = newSVsv (fh);
		1123	req->int1 = fd;
		1124	req->int2 = mode;
		1125	req->offs = offset;
		1126	req->size = len;
		1127
		1128	REQ_SEND;
907	}	1129	}
908		1130
909	void	1131	void
910	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1132	aio_close (SV *fh, SV *callback=&PL_sv_undef)
911	PPCODE:	1133	PPCODE:
912	{	1134	{
913	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1135	static int close_fd = -1; /* dummy fd to close fds via dup2 */
914	int fd = s_fileno_croak (fh, 0);	1136	int fd = s_fileno_croak (fh, 0);
915	dREQ;	1137	dREQ;
916		1138
917	if (close_pipe < 0)	1139	if (expect_false (close_fd < 0))
918	{	1140	{
919	int pipefd [2];	1141	int pipefd [2];
920		1142
		1143	if (
		1144	#ifdef _WIN32
		1145	_pipe (pipefd, 1, _O_BINARY) < 0
		1146	#else
921	if (pipe (pipefd) < 0	1147	pipe (pipefd) < 0
922	|| close (pipefd [1]) < 0
923	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1148	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1149	#endif
		1150	|| close (pipefd [1]) < 0
		1151	)
924	abort (); /*D*/	1152	abort (); /*D*/
925		1153
926	close_pipe = pipefd [0];	1154	close_fd = pipefd [0];
927	}	1155	}
928		1156
929	req->type = EIO_DUP2;	1157	req->type = EIO_DUP2;
930	req->int1 = close_pipe;	1158	req->int1 = close_fd;
931	req->sv2 = newSVsv (fh);	1159	req->sv2 = newSVsv (fh);
932	req->int2 = fd;	1160	req->int2 = fd;
933		1161
934	REQ_SEND (req);	1162	REQ_SEND;
		1163	}
		1164
		1165	void
		1166	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1167	PPCODE:
		1168	{
		1169	STRLEN svlen;
		1170	int fd = s_fileno_croak (fh, 0);
		1171	dREQ;
		1172
		1173	req->type = EIO_SEEK;
		1174	req->sv1 = newSVsv (fh);
		1175	req->int1 = fd;
		1176	req->offs = SvVAL64 (offset);
		1177	req->int2 = whence;
		1178
		1179	REQ_SEND;
935	}	1180	}
936		1181
937	void	1182	void
938	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1183	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
939	ALIAS:	1184	ALIAS:
…		…
986	REQ_SEND;	1231	REQ_SEND;
987	}	1232	}
988	}	1233	}
989		1234
990	void	1235	void
991	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1236	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
		1237	ALIAS:
		1238	aio_readlink = EIO_READLINK
		1239	aio_realpath = EIO_REALPATH
992	PPCODE:	1240	PPCODE:
993	{	1241	{
994	SV *data;
995	dREQ;	1242	dREQ;
996		1243
997	req->type = EIO_READLINK;	1244	req->type = ix;
998	req->sv1 = newSVsv (path);	1245	req_set_path1 (req, pathname);
999	req->ptr1 = SvPVbyte_nolen (req->sv1);
1000		1246
1001	REQ_SEND;	1247	REQ_SEND;
1002	}	1248	}
1003		1249
1004	void	1250	void
…		…
1044	aio_statvfs = EIO_STATVFS	1290	aio_statvfs = EIO_STATVFS
1045	PPCODE:	1291	PPCODE:
1046	{	1292	{
1047	dREQ;	1293	dREQ;
1048		1294
1049	req->sv1 = newSVsv (fh_or_path);	1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1050
1051	if (SvPOK (req->sv1))
1052	{
1053	req->type = ix;
1054	req->ptr1 = SvPVbyte_nolen (req->sv1);
1055	}
1056	else
1057	{
1058	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1059	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1060	}
1061		1296
1062	REQ_SEND;	1297	REQ_SEND;
1063	}	1298	}
		1299
		1300	UV
		1301	major (UV dev)
		1302	ALIAS:
		1303	minor = 1
		1304	CODE:
		1305	RETVAL = ix ? major (dev) : minor (dev);
		1306	OUTPUT:
		1307	RETVAL
		1308
		1309	UV
		1310	makedev (UV maj, UV min)
		1311	CODE:
		1312	RETVAL = makedev (maj, min);
		1313	OUTPUT:
		1314	RETVAL
1064		1315
1065	void	1316	void
1066	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1317	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1067	PPCODE:	1318	PPCODE:
1068	{	1319	{
1069	dREQ;	1320	dREQ;
1070		1321
1071	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1072	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1323	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1073	req->sv1 = newSVsv (fh_or_path);	1324	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1074
1075	if (SvPOK (req->sv1))
1076	{
1077	req->type = EIO_UTIME;
1078	req->ptr1 = SvPVbyte_nolen (req->sv1);
1079	}
1080	else
1081	{
1082	req->type = EIO_FUTIME;
1083	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1084	}
1085		1325
1086	REQ_SEND;	1326	REQ_SEND;
1087	}	1327	}
1088		1328
1089	void	1329	void
1090	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1330	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1091	PPCODE:	1331	PPCODE:
1092	{	1332	{
1093	dREQ;	1333	dREQ;
1094		1334
1095	req->sv1 = newSVsv (fh_or_path);
1096	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1097		1336	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1098	if (SvPOK (req->sv1))
1099	{
1100	req->type = EIO_TRUNCATE;
1101	req->ptr1 = SvPVbyte_nolen (req->sv1);
1102	}
1103	else
1104	{
1105	req->type = EIO_FTRUNCATE;
1106	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1107	}
1108		1337
1109	REQ_SEND;	1338	REQ_SEND;
1110	}	1339	}
1111		1340
1112	void	1341	void
1113	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1342	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1114	ALIAS:
1115	aio_chmod = EIO_CHMOD
1116	aio_mkdir = EIO_MKDIR
1117	PPCODE:	1343	PPCODE:
1118	{	1344	{
1119	dREQ;	1345	dREQ;
1120		1346
1121	req->int2 = mode;	1347	req->int2 = mode;
1122	req->sv1 = newSVsv (fh_or_path);	1348	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1123
1124	if (SvPOK (req->sv1))
1125	{
1126	req->type = ix;
1127	req->ptr1 = SvPVbyte_nolen (req->sv1);
1128	}
1129	else
1130	{
1131	req->type = EIO_FCHMOD;
1132	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1133	}
1134		1349
1135	REQ_SEND;	1350	REQ_SEND;
1136	}	1351	}
1137		1352
1138	void	1353	void
…		…
1141	{	1356	{
1142	dREQ;	1357	dREQ;
1143		1358
1144	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1145	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1360	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1146	req->sv1 = newSVsv (fh_or_path);	1361	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1147
1148	if (SvPOK (req->sv1))
1149	{
1150	req->type = EIO_CHOWN;
1151	req->ptr1 = SvPVbyte_nolen (req->sv1);
1152	}
1153	else
1154	{
1155	req->type = EIO_FCHOWN;
1156	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1157	}
1158		1362
1159	REQ_SEND;	1363	REQ_SEND;
1160	}	1364	}
1161		1365
1162	void	1366	void
…		…
1164	PPCODE:	1368	PPCODE:
1165	{	1369	{
1166	dREQ;	1370	dREQ;
1167		1371
1168	req->type = EIO_READDIR;	1372	req->type = EIO_READDIR;
1169	req->sv1 = newSVsv (pathname);
1170	req->ptr1 = SvPVbyte_nolen (req->sv1);
1171	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1373	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1172		1374
1173	if (flags & EIO_READDIR_DENTS)	1375	if (flags & EIO_READDIR_DENTS)
1174	req->int1 |= EIO_READDIR_CUSTOM2;	1376	req->int1 |= EIO_READDIR_CUSTOM2;
1175		1377
		1378	req_set_path1 (req, pathname);
		1379
1176	REQ_SEND;	1380	REQ_SEND;
		1381	}
		1382
		1383	void
		1384	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1385	PPCODE:
		1386	{
		1387	dREQ;
		1388
		1389	req->type = EIO_MKDIR;
		1390	req->int2 = mode;
		1391	req_set_path1 (req, pathname);
		1392
		1393	REQ_SEND;
1177	}	1394	}
1178		1395
1179	void	1396	void
1180	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1181	ALIAS:	1398	ALIAS:
…		…
1185	PPCODE:	1402	PPCODE:
1186	{	1403	{
1187	dREQ;	1404	dREQ;
1188		1405
1189	req->type = ix;	1406	req->type = ix;
1190	req->sv1 = newSVsv (pathname);	1407	req_set_path1 (req, pathname);
1191	req->ptr1 = SvPVbyte_nolen (req->sv1);
1192		1408
1193	REQ_SEND;	1409	REQ_SEND;
1194	}	1410	}
1195		1411
1196	void	1412	void
…		…
1199	aio_link = EIO_LINK	1415	aio_link = EIO_LINK
1200	aio_symlink = EIO_SYMLINK	1416	aio_symlink = EIO_SYMLINK
1201	aio_rename = EIO_RENAME	1417	aio_rename = EIO_RENAME
1202	PPCODE:	1418	PPCODE:
1203	{	1419	{
		1420	eio_wd wd2 = 0;
1204	dREQ;	1421	dREQ;
1205		1422
1206	req->type = ix;	1423	req->type = ix;
1207	req->sv1 = newSVsv (oldpath);	1424	req_set_path1 (req, oldpath);
1208	req->ptr1 = SvPVbyte_nolen (req->sv1);	1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1209	req->sv2 = newSVsv (newpath);	1426	req->int3 = (long)wd2;
1210	req->ptr2 = SvPVbyte_nolen (req->sv2);
1211		1427
1212	REQ_SEND;	1428	REQ_SEND;
1213	}	1429	}
1214		1430
1215	void	1431	void
…		…
1217	PPCODE:	1433	PPCODE:
1218	{	1434	{
1219	dREQ;	1435	dREQ;
1220		1436
1221	req->type = EIO_MKNOD;	1437	req->type = EIO_MKNOD;
1222	req->sv1 = newSVsv (pathname);
1223	req->ptr1 = SvPVbyte_nolen (req->sv1);
1224	req->int2 = (mode_t)mode;	1438	req->int2 = (mode_t)mode;
1225	req->offs = dev;	1439	req->offs = dev;
		1440	req_set_path1 (req, pathname);
1226		1441
1227	REQ_SEND;	1442	REQ_SEND;
1228	}	1443	}
1229		1444
1230	void	1445	void
…		…
1297		1512
1298	req->type = EIO_MLOCKALL;	1513	req->type = EIO_MLOCKALL;
1299	req->int1 = flags;	1514	req->int1 = flags;
1300		1515
1301	REQ_SEND;	1516	REQ_SEND;
		1517	}
		1518
		1519	void
		1520	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1521	PPCODE:
		1522	{
		1523	int fd = s_fileno_croak (fh, 0);
		1524	dREQ;
		1525
		1526	req->type = EIO_CUSTOM;
		1527	req->sv1 = newSVsv (fh);
		1528	req->int1 = fd;
		1529
		1530	req->feed = fiemap;
		1531	/* keep our fingers crossed that the next two types are 64 bit */
		1532	req->offs = start;
		1533	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1534	req->int2 = flags;
		1535	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1536
		1537	REQ_SEND;
1302	}	1538	}
1303		1539
1304	void	1540	void
1305	aio_busy (double delay, SV *callback=&PL_sv_undef)	1541	aio_busy (double delay, SV *callback=&PL_sv_undef)
1306	PPCODE:	1542	PPCODE:
…		…
1430	CODE:	1666	CODE:
1431	RETVAL = posix_fadvise (fh, offset, length, advice);	1667	RETVAL = posix_fadvise (fh, offset, length, advice);
1432	OUTPUT:	1668	OUTPUT:
1433	RETVAL	1669	RETVAL
1434		1670
1435	ssize_t	1671	IV
1436	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1672	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1437	CODE:	1673	CODE:
1438	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1674	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1439	OUTPUT:	1675	OUTPUT:
1440	RETVAL	1676	RETVAL
…		…
1524	if (!SvOK (length) || len + offset > svlen)	1760	if (!SvOK (length) || len + offset > svlen)
1525	len = svlen - offset;	1761	len = svlen - offset;
1526		1762
1527	addr = (void *)(((intptr_t)addr) + offset);	1763	addr = (void *)(((intptr_t)addr) + offset);
1528	eio_page_align (&addr, &len);	1764	eio_page_align (&addr, &len);
1529	#if _POSIX_MEMLOCK	1765	#if _POSIX_MEMLOCK_RANGE
1530	RETVAL = munlock (addr, len);	1766	RETVAL = munlock (addr, len);
1531	#else	1767	#else
1532	RETVAL = ((errno = ENOSYS), -1);	1768	RETVAL = ((errno = ENOSYS), -1);
1533	#endif	1769	#endif
1534	}	1770	}
…		…
1552	SvREFCNT_dec (on_next_submit);	1788	SvREFCNT_dec (on_next_submit);
1553	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1789	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1554		1790
1555	PROTOTYPES: DISABLE	1791	PROTOTYPES: DISABLE
1556		1792
		1793	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1794
		1795	BOOT:
		1796	{
		1797	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1798	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1799	}
		1800
		1801	void
		1802	DESTROY (SV *self)
		1803	CODE:
		1804	{
		1805	aio_wd wd = SvAIO_WD (self);
		1806	#if HAVE_AT
		1807	{
		1808	SV *callback = &PL_sv_undef;
		1809	dREQ; /* clobbers next_pri :/ */
		1810	next_pri = req->pri; /* restore next_pri */
		1811	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1812	req->type = EIO_WD_CLOSE;
		1813	req->wd = wd;
		1814	REQ_SEND;
		1815	}
		1816	#else
		1817	eio_wd_close_sync (wd);
		1818	#endif
		1819	}
		1820
1557	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1821	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1558		1822
1559	void	1823	void
1560	cancel (aio_req_ornot req)	1824	cancel (aio_req_ornot req)
1561	CODE:	1825	CODE:

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