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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.176 by root, Thu Dec 2 10:04:47 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
123	#include "libeio/config.h"	118	#include "libeio/config.h"
124	#include "libeio/eio.h"	119	#include "libeio/eio.h"
125		120
126	#ifndef POSIX_FADV_NORMAL	121	static int req_invoke (eio_req *req);
127	# define POSIX_FADV_NORMAL 0	122	#define EIO_FINISH(req) req_invoke (req)
128	#endif	123	static void req_destroy (eio_req *grp);
129	#ifndef POSIX_FADV_SEQUENTIAL	124	#define EIO_DESTROY(req) req_destroy (req)
130	# define POSIX_FADV_SEQUENTIAL 0	125
131	#endif	126	#include "libeio/eio.c"
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		127
145	#if !HAVE_POSIX_FADVISE	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
150	# define POSIX_MADV_NORMAL 0
151	#endif
152	#ifndef POSIX_MADV_SEQUENTIAL
153	# define POSIX_MADV_SEQUENTIAL 0
154	#endif
155	#ifndef POSIX_MADV_RANDOM
156	# define POSIX_MADV_RANDOM 0
157	#endif
158	#ifndef POSIX_MADV_WILLNEED
159	# define POSIX_MADV_WILLNEED 0
160	#endif
161	#ifndef POSIX_MADV_DONTNEED
162	# define POSIX_MADV_DONTNEED 0
163	#endif
164
165	#if !HAVE_POSIX_MADVISE	132	#if !HAVE_POSIX_MADVISE
166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	133	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167	#endif
168
169	#ifndef PROT_NONE
170	# define PROT_NONE 0
171	#endif
172	#ifndef PROT_READ
173	# define PROT_READ 0
174	#endif
175	#ifndef PROT_WRITE
176	# define PROT_READ 0
177	#endif
178	#ifndef PROT_EXEC
179	# define PROT_EXEC 0
180	#endif
181
182	#ifndef ST_NODEV
183	# define ST_NODEV 0
184	#endif
185	#ifndef ST_NOEXEC
186	# define ST_NOEXEC 0
187	#endif
188	#ifndef ST_SYNCHRONOUS
189	# define ST_SYNCHRONOUS 0
190	#endif
191	#ifndef ST_MANDLOCK
192	# define ST_MANDLOCK 0
193	#endif
194	#ifndef ST_WRITE
195	# define ST_WRITE 0
196	#endif
197	#ifndef ST_APPEND
198	# define ST_APPEND 0
199	#endif
200	#ifndef ST_IMMUTABLE
201	# define ST_IMMUTABLE 0
202	#endif
203	#ifndef ST_NOATIME
204	# define ST_NOATIME 0
205	#endif
206	#ifndef ST_NODIRATIME
207	# define ST_NODIRATIME 0
208	#endif
209	#ifndef ST_RELATIME
210	# define ST_RELATIME 0
211	#endif	134	#endif
212		135
213	#ifndef MAP_ANONYMOUS	136	#ifndef MAP_ANONYMOUS
214	# ifdef MAP_ANON	137	# ifdef MAP_ANON
215	# define MAP_ANONYMOUS MAP_ANON	138	# define MAP_ANONYMOUS MAP_ANON
216	# else	139	# else
217	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218	# endif	141	# endif
219	#endif	142	#endif
220	#ifndef MAP_HUGETLB	143
221	# 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))
222	#endif	149	#endif
223	#ifndef MAP_LOCKED	150	#ifndef major
224	# define MAP_LOCKED 0	151	# define major(dev) ((dev) >> 8)
225	#endif	152	#endif
226	#ifndef MAP_NORESERVE	153	#ifndef minor
227	# define MAP_NORESERVE 0	154	# define minor(dev) ((dev) & 0xff)
228	#endif
229	#ifndef MAP_POPULATE
230	# define MAP_POPULATE 0
231	#endif
232	#ifndef MAP_NONBLOCK
233	# define MAP_NONBLOCK 0
234	#endif	155	#endif
235		156
236	#ifndef PAGESIZE	157	#ifndef PAGESIZE
237	# define PAGESIZE sysconf (_SC_PAGESIZE)	158	# define PAGESIZE sysconf (_SC_PAGESIZE)
238	#endif	159	#endif
239		160
240	static int req_invoke (eio_req *req);	161	/*****************************************************************************/
241	#define EIO_FINISH(req) req_invoke (req)	162
242	static void req_destroy (eio_req *grp);	163	static void
243	#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	/*****************************************************************************/
244		221
245	enum {	222	enum {
246	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247	};	224	};
248		225
249	#include "libeio/eio.c"
250
251	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
252	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
		228	typedef eio_wd aio_wd;
253		229
254	static SV *on_next_submit;	230	static SV *on_next_submit;
255	static int next_pri = EIO_PRI_DEFAULT;	231	static int next_pri = EIO_PRI_DEFAULT;
256	static int max_outstanding;	232	static int max_outstanding;
257		233
258	static s_epipe respipe;	234	static s_epipe respipe;
259		235
260	static void req_destroy (aio_req req);	236	static void req_destroy (aio_req req);
261	static void req_cancel (aio_req req);	237	static void req_cancel (aio_req req);
262		238
263	static void want_poll (void)	239	static void
		240	want_poll (void)
264	{	241	{
265	/* write a dummy byte to the pipe so fh becomes ready */	242	/* write a dummy byte to the pipe so fh becomes ready */
266	s_epipe_signal (&respipe);	243	s_epipe_signal (&respipe);
267	}	244	}
268		245
269	static void done_poll (void)	246	static void
		247	done_poll (void)
270	{	248	{
271	/* read any signals sent by the worker threads */	249	/* read any signals sent by the worker threads */
272	s_epipe_drain (&respipe);	250	s_epipe_drain (&respipe);
273	}	251	}
274		252
275	/* must be called at most once */	253	/* must be called at most once */
		254	static SV *
276	static SV *req_sv (aio_req req, HV *stash)	255	req_sv (aio_req req, HV *stash)
277	{	256	{
278	if (!req->self)	257	if (!req->self)
279	{	258	{
280	req->self = (SV *)newHV ();	259	req->self = (SV *)newHV ();
281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	260	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282	}	261	}
283		262
284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	263	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285	}	264	}
286		265
287	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)
288	{	274	{
289	MAGIC *mg;	275	MAGIC *mg;
290		276
291	if (!SvROK (sv)	277	if (!SvROK (sv)
		278	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
293	&& SvSTASH (SvRV (sv)) != aio_req_stash	280	&& SvSTASH (SvRV (sv)) != aio_req_stash
294	&& !sv_derived_from (sv, "IO::AIO::REQ")))	281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
295	croak ("object of class IO::AIO::REQ expected");	282	croak ("object of class IO::AIO::REQ expected");
296		283
297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298		285
299	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
300	}	287	}
301		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
302	static void aio_grp_feed (aio_req grp)	301	aio_grp_feed (aio_req grp)
303	{	302	{
304	if (grp->sv2 && SvOK (grp->sv2))	303	if (grp->sv2 && SvOK (grp->sv2))
305	{	304	{
306	dSP;	305	dSP;
307		306
…		…
315	FREETMPS;	314	FREETMPS;
316	LEAVE;	315	LEAVE;
317	}	316	}
318	}	317	}
319		318
		319	static void
320	static void req_submit (eio_req *req)	320	req_submit (eio_req *req)
321	{	321	{
322	eio_submit (req);	322	eio_submit (req);
323		323
324	if (expect_false (on_next_submit))	324	if (expect_false (on_next_submit))
325	{	325	{
…		…
332	PUTBACK;	332	PUTBACK;
333	call_sv (cb, G_DISCARD | G_EVAL);	333	call_sv (cb, G_DISCARD | G_EVAL);
334	}	334	}
335	}	335	}
336		336
		337	static int
337	static int req_invoke (eio_req *req)	338	req_invoke (eio_req *req)
338	{	339	{
339	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
340	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
341		342
342	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
…		…
353	/* do not recreate the result IV from scratch each time */	354	/* do not recreate the result IV from scratch each time */
354	if (expect_true (sv_result_cache))	355	if (expect_true (sv_result_cache))
355	{	356	{
356	sv_result = sv_result_cache; sv_result_cache = 0;	357	sv_result = sv_result_cache; sv_result_cache = 0;
357	SvIV_set (sv_result, req->result);	358	SvIV_set (sv_result, req->result);
		359	SvIOK_only (sv_result);
358	}	360	}
359	else	361	else
360	{	362	{
361	sv_result = newSViv (req->result);	363	sv_result = newSViv (req->result);
362	SvREADONLY_on (sv_result);	364	SvREADONLY_on (sv_result);
363	}	365	}
364		366
365	switch (req->type)	367	switch (req->type)
366	{	368	{
		369	case EIO_WD_OPEN:
		370	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		371	break;
		372
367	case EIO_READDIR:	373	case EIO_READDIR:
368	{	374	{
369	SV *rv = &PL_sv_undef;	375	SV *rv = &PL_sv_undef;
370		376
371	if (req->result >= 0)	377	if (req->result >= 0)
…		…
459	case EIO_STATVFS:	465	case EIO_STATVFS:
460	case EIO_FSTATVFS:	466	case EIO_FSTATVFS:
461	{	467	{
462	SV *rv = &PL_sv_undef;	468	SV *rv = &PL_sv_undef;
463		469
		470	#ifndef _WIN32
464	if (req->result >= 0)	471	if (req->result >= 0)
465	{	472	{
466	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467	HV *hv = newHV ();	474	HV *hv = newHV ();
468		475
…		…
478	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);
479	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);
480	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);
481	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);
482	}	489	}
		490	#endif
483		491
484	PUSHs (rv);	492	PUSHs (rv);
485	}	493	}
486		494
487	break;	495	break;
…		…
503	case EIO_NOP:	511	case EIO_NOP:
504	case EIO_BUSY:	512	case EIO_BUSY:
505	break;	513	break;
506		514
507	case EIO_READLINK:	515	case EIO_READLINK:
		516	case EIO_REALPATH:
508	if (req->result > 0)	517	if (req->result > 0)
509	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	518	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
510	break;	519	break;
511		520
512	case EIO_STAT:	521	case EIO_STAT:
513	case EIO_LSTAT:	522	case EIO_LSTAT:
514	case EIO_FSTAT:	523	case EIO_FSTAT:
515	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	524	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		525
516	PL_laststatval = req->result;	526	if (!(PL_laststatval = req->result))
		527	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
517	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	528	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		529
518	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)));
519	break;	535	break;
520		536
521	case EIO_READ:	537	case EIO_READ:
522	{	538	{
523	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));
…		…
526	SvSETMAGIC (req->sv2);	542	SvSETMAGIC (req->sv2);
527	PUSHs (sv_result);	543	PUSHs (sv_result);
528	}	544	}
529	break;	545	break;
530		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
531	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 */
532	if (req->result > 0)	586	if (req->result > 0)
533	SvIV_set (sv_result, 0);	587	SvIV_set (sv_result, 0);
534	/* FALLTHROUGH */	588	/* FALLTHROUGH */
535		589
536	default:	590	default:
…		…
556	}	610	}
557		611
558	return !!SvTRUE (ERRSV);	612	return !!SvTRUE (ERRSV);
559	}	613	}
560		614
		615	static void
561	static void req_destroy (aio_req req)	616	req_destroy (aio_req req)
562	{	617	{
563	if (req->self)	618	if (req->self)
564	{	619	{
565	sv_unmagic (req->self, PERL_MAGIC_ext);	620	sv_unmagic (req->self, PERL_MAGIC_ext);
566	SvREFCNT_dec (req->self);	621	SvREFCNT_dec (req->self);
567	}	622	}
568		623
569	SvREFCNT_dec (req->sv1);	624	SvREFCNT_dec (req->sv1);
570	SvREFCNT_dec (req->sv2);	625	SvREFCNT_dec (req->sv2);
		626	SvREFCNT_dec (req->sv3);
		627	SvREFCNT_dec (req->sv4);
571	SvREFCNT_dec (req->callback);	628	SvREFCNT_dec (req->callback);
572		629
573	Safefree (req);	630	free (req);
574	}	631	}
575		632
		633	static void
576	static void req_cancel_subs (aio_req grp)	634	req_cancel_subs (aio_req grp)
577	{	635	{
578	aio_req sub;
579
580	if (grp->type != EIO_GROUP)	636	if (grp->type != EIO_GROUP)
581	return;	637	return;
582		638
583	SvREFCNT_dec (grp->sv2);	639	SvREFCNT_dec (grp->sv2);
584	grp->sv2 = 0;	640	grp->sv2 = 0;
585		641
586	eio_grp_cancel (grp);	642	eio_grp_cancel (grp);
587	}	643	}
588		644
589	static void	645	static void ecb_cold
590	create_respipe (void)	646	create_respipe (void)
591	{	647	{
592	if (s_epipe_renew (&respipe))	648	if (s_epipe_renew (&respipe))
593	croak ("IO::AIO: unable to initialize result pipe");	649	croak ("IO::AIO: unable to initialize result pipe");
594	}	650	}
595		651
596	static void poll_wait (void)	652	static void
		653	poll_wait (void)
597	{	654	{
598	while (eio_nreqs ())	655	while (eio_nreqs ())
599	{	656	{
600	int size;	657	int size;
601		658
…		…
610		667
611	s_epipe_wait (&respipe);	668	s_epipe_wait (&respipe);
612	}	669	}
613	}	670	}
614		671
615	static int poll_cb (void)	672	static int
		673	poll_cb (void)
616	{	674	{
617	for (;;)	675	for (;;)
618	{	676	{
619	int res = eio_poll ();	677	int res = eio_poll ();
620		678
…		…
626		684
627	poll_wait ();	685	poll_wait ();
628	}	686	}
629	}	687	}
630		688
631	static void atfork_child (void)	689	static void ecb_cold
		690	reinit (void)
632	{	691	{
633	create_respipe ();	692	create_respipe ();
		693
		694	if (eio_init (want_poll, done_poll) < 0)
		695	croak ("IO::AIO: unable to initialise eio library");
634	}	696	}
635		697
636	/*****************************************************************************/	698	/*****************************************************************************/
637		699
638	#if !_POSIX_MAPPED_FILES	700	#if !_POSIX_MAPPED_FILES
639	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	701	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640	# define munmap(addr,length) (errno = ENOSYS, -1)	702	# define munmap(addr,length) (errno = ENOSYS, -1)
		703	#endif
		704
		705	#if !_POSIX_MEMORY_PROTECTION
641	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	706	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642	# define PROT_NONE 0	707	# define PROT_NONE 0
643	# define PROT_WRITE 0	708	# define PROT_WRITE 0
644	# define MAP_PRIVATE 0	709	# define MAP_PRIVATE 0
645	# define MAP_SHARED 0	710	# define MAP_SHARED 0
646	# define MAP_FIXED 0	711	# define MAP_FIXED 0
647	#endif	712	#endif
648		713
649	#define MMAP_MAGIC PERL_MAGIC_ext	714	#define MMAP_MAGIC PERL_MAGIC_ext
650		715
651	static int	716	static int ecb_cold
652	mmap_free (pTHX_ SV *sv, MAGIC *mg)	717	mmap_free (pTHX_ SV *sv, MAGIC *mg)
653	{	718	{
654	int old_errno = errno;	719	int old_errno = errno;
655	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	720	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656	errno = old_errno;	721	errno = old_errno;
…		…
680	{	745	{
681	SvGETMAGIC (cb_sv);	746	SvGETMAGIC (cb_sv);
682	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	747	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
683	}	748	}
684		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
685	#define dREQ \	770	#define dREQ \
686	SV *cb_cv; \	771	aio_req req = dreq (callback); \
687	aio_req req; \
688	int req_pri = next_pri; \
689	next_pri = EIO_PRI_DEFAULT; \
690	\
691	cb_cv = get_cb (callback); \
692	\
693	Newz (0, req, 1, eio_req); \
694	if (!req) \
695	croak ("out of memory during eio_req allocation"); \
696	\
697	req->callback = SvREFCNT_inc (cb_cv); \
698	req->pri = req_pri
699		772
700	#define REQ_SEND \	773	#define REQ_SEND \
701	PUTBACK; \	774	PUTBACK; \
702	req_submit (req); \	775	req_submit (req); \
703	SPAGAIN; \	776	SPAGAIN; \
704	\	777	\
705	if (GIMME_V != G_VOID) \	778	if (GIMME_V != G_VOID) \
706	XPUSHs (req_sv (req, aio_req_stash));	779	XPUSHs (req_sv (req, aio_req_stash));
707		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
708	MODULE = IO::AIO PACKAGE = IO::AIO	847	MODULE = IO::AIO PACKAGE = IO::AIO
709		848
710	PROTOTYPES: ENABLE	849	PROTOTYPES: ENABLE
711		850
712	BOOT:	851	BOOT:
…		…
716	IV iv;	855	IV iv;
717	} *civ, const_iv[] = {	856	} *civ, const_iv[] = {
718	# define const_niv(name, value) { # name, (IV) value },	857	# define const_niv(name, value) { # name, (IV) value },
719	# define const_iv(name) { # name, (IV) name },	858	# define const_iv(name) { # name, (IV) name },
720	# 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)
721	const_iv (EXDEV)	864	const_iv (EXDEV)
722	const_iv (ENOSYS)	865	const_iv (EBADR)
		866
723	const_iv (O_RDONLY)	867	const_iv (O_RDONLY)
724	const_iv (O_WRONLY)	868	const_iv (O_WRONLY)
725	const_iv (O_RDWR)	869	const_iv (O_RDWR)
726	const_iv (O_CREAT)	870	const_iv (O_CREAT)
727	const_iv (O_TRUNC)	871	const_iv (O_TRUNC)
728	const_iv (O_EXCL)	872	const_iv (O_EXCL)
729	const_iv (O_APPEND)	873	const_iv (O_APPEND)
730	#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
731	const_iv (S_IFIFO)	891	const_iv (S_IFIFO)
732	#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
733	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	901	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
734	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	902	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
735	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	903	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
736	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	904	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
737	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	905	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
771	const_iv (MAP_LOCKED)	939	const_iv (MAP_LOCKED)
772	const_iv (MAP_NORESERVE)	940	const_iv (MAP_NORESERVE)
773	const_iv (MAP_POPULATE)	941	const_iv (MAP_POPULATE)
774	const_iv (MAP_NONBLOCK)	942	const_iv (MAP_NONBLOCK)
775		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
776	const_eio (MCL_FUTURE)	963	const_eio (MCL_FUTURE)
777	const_eio (MCL_CURRENT)	964	const_eio (MCL_CURRENT)
778		965
779	const_eio (MS_ASYNC)	966	const_eio (MS_ASYNC)
780	const_eio (MS_INVALIDATE)	967	const_eio (MS_INVALIDATE)
…		…
783	const_eio (MT_MODIFY)	970	const_eio (MT_MODIFY)
784		971
785	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	972	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
786	const_eio (SYNC_FILE_RANGE_WRITE)	973	const_eio (SYNC_FILE_RANGE_WRITE)
787	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	974	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		975
		976	const_eio (FALLOC_FL_KEEP_SIZE)
788		977
789	const_eio (READDIR_DENTS)	978	const_eio (READDIR_DENTS)
790	const_eio (READDIR_DIRS_FIRST)	979	const_eio (READDIR_DIRS_FIRST)
791	const_eio (READDIR_STAT_ORDER)	980	const_eio (READDIR_STAT_ORDER)
792	const_eio (READDIR_FOUND_UNKNOWN)	981	const_eio (READDIR_FOUND_UNKNOWN)
…		…
803	};	992	};
804		993
805	aio_stash = gv_stashpv ("IO::AIO" , 1);	994	aio_stash = gv_stashpv ("IO::AIO" , 1);
806	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	995	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
807	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);
808		998
809	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--)
810	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1000	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
811		1001
812	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1002	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
813		1003
814	create_respipe ();	1004	reinit ();
815
816	if (eio_init (want_poll, done_poll) < 0)
817	croak ("IO::AIO: unable to initialise eio library");
818
819	/* atfork child called in fifo order, so before eio's handler */
820	X_THREAD_ATFORK (0, 0, atfork_child);
821	}	1005	}
822		1006
823	void	1007	void
		1008	reinit ()
		1009	PROTOTYPE:
		1010
		1011	void
824	max_poll_reqs (int nreqs)	1012	max_poll_reqs (unsigned int nreqs)
825	PROTOTYPE: $	1013	PROTOTYPE: $
826	CODE:	1014	CODE:
827	eio_set_max_poll_reqs (nreqs);	1015	eio_set_max_poll_reqs (nreqs);
828		1016
829	void	1017	void
…		…
831	PROTOTYPE: $	1019	PROTOTYPE: $
832	CODE:	1020	CODE:
833	eio_set_max_poll_time (nseconds);	1021	eio_set_max_poll_time (nseconds);
834		1022
835	void	1023	void
836	min_parallel (int nthreads)	1024	min_parallel (unsigned int nthreads)
837	PROTOTYPE: $	1025	PROTOTYPE: $
838	CODE:	1026	CODE:
839	eio_set_min_parallel (nthreads);	1027	eio_set_min_parallel (nthreads);
840		1028
841	void	1029	void
842	max_parallel (int nthreads)	1030	max_parallel (unsigned int nthreads)
843	PROTOTYPE: $	1031	PROTOTYPE: $
844	CODE:	1032	CODE:
845	eio_set_max_parallel (nthreads);	1033	eio_set_max_parallel (nthreads);
846		1034
847	void	1035	void
848	max_idle (int nthreads)	1036	max_idle (unsigned int nthreads)
849	PROTOTYPE: $	1037	PROTOTYPE: $
850	CODE:	1038	CODE:
851	eio_set_max_idle (nthreads);	1039	eio_set_max_idle (nthreads);
852		1040
853	void	1041	void
		1042	idle_timeout (unsigned int seconds)
		1043	PROTOTYPE: $
		1044	CODE:
		1045	eio_set_idle_timeout (seconds);
		1046
		1047	void
854	max_outstanding (int maxreqs)	1048	max_outstanding (unsigned int maxreqs)
855	PROTOTYPE: $	1049	PROTOTYPE: $
856	CODE:	1050	CODE:
857	max_outstanding = maxreqs;	1051	max_outstanding = maxreqs;
858		1052
859	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
860	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)
861	PPCODE:	1067	PPCODE:
862	{	1068	{
863	dREQ;	1069	dREQ;
864		1070
865	req->type = EIO_OPEN;	1071	req->type = EIO_OPEN;
866	req->sv1 = newSVsv (pathname);	1072	req_set_path1 (req, pathname);
867	req->ptr1 = SvPVbyte_nolen (req->sv1);
868	req->int1 = flags;	1073	req->int1 = flags;
869	req->int2 = mode;	1074	req->int2 = mode;
870		1075
871	REQ_SEND;	1076	REQ_SEND;
872	}	1077	}
…		…
874	void	1079	void
875	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1080	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
876	ALIAS:	1081	ALIAS:
877	aio_fsync = EIO_FSYNC	1082	aio_fsync = EIO_FSYNC
878	aio_fdatasync = EIO_FDATASYNC	1083	aio_fdatasync = EIO_FDATASYNC
		1084	aio_syncfs = EIO_SYNCFS
879	PPCODE:	1085	PPCODE:
880	{	1086	{
881	int fd = s_fileno_croak (fh, 0);	1087	int fd = s_fileno_croak (fh, 0);
882	dREQ;	1088	dREQ;
883		1089
884	req->type = ix;	1090	req->type = ix;
885	req->sv1 = newSVsv (fh);	1091	req->sv1 = newSVsv (fh);
886	req->int1 = fd;	1092	req->int1 = fd;
887		1093
888	REQ_SEND (req);	1094	REQ_SEND;
889	}	1095	}
890		1096
891	void	1097	void
892	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)
893	PPCODE:	1099	PPCODE:
…		…
900	req->int1 = fd;	1106	req->int1 = fd;
901	req->offs = offset;	1107	req->offs = offset;
902	req->size = nbytes;	1108	req->size = nbytes;
903	req->int2 = flags;	1109	req->int2 = flags;
904		1110
905	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;
906	}	1129	}
907		1130
908	void	1131	void
909	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1132	aio_close (SV *fh, SV *callback=&PL_sv_undef)
910	PPCODE:	1133	PPCODE:
911	{	1134	{
912	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 */
913	int fd = s_fileno_croak (fh, 0);	1136	int fd = s_fileno_croak (fh, 0);
914	dREQ;	1137	dREQ;
915		1138
916	if (close_pipe < 0)	1139	if (expect_false (close_fd < 0))
917	{	1140	{
918	int pipefd [2];	1141	int pipefd [2];
919		1142
		1143	if (
		1144	#ifdef _WIN32
		1145	_pipe (pipefd, 1, _O_BINARY) < 0
		1146	#else
920	if (pipe (pipefd) < 0	1147	pipe (pipefd) < 0
921	|| close (pipefd [1]) < 0
922	|| 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	)
923	abort (); /*D*/	1152	abort (); /*D*/
924		1153
925	close_pipe = pipefd [0];	1154	close_fd = pipefd [0];
926	}	1155	}
927		1156
928	req->type = EIO_DUP2;	1157	req->type = EIO_DUP2;
929	req->int1 = close_pipe;	1158	req->int1 = close_fd;
930	req->sv2 = newSVsv (fh);	1159	req->sv2 = newSVsv (fh);
931	req->int2 = fd;	1160	req->int2 = fd;
932		1161
933	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;
934	}	1180	}
935		1181
936	void	1182	void
937	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)
938	ALIAS:	1184	ALIAS:
…		…
985	REQ_SEND;	1231	REQ_SEND;
986	}	1232	}
987	}	1233	}
988		1234
989	void	1235	void
990	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
991	PPCODE:	1240	PPCODE:
992	{	1241	{
993	SV *data;
994	dREQ;	1242	dREQ;
995		1243
996	req->type = EIO_READLINK;	1244	req->type = ix;
997	req->sv1 = newSVsv (path);	1245	req_set_path1 (req, pathname);
998	req->ptr1 = SvPVbyte_nolen (req->sv1);
999		1246
1000	REQ_SEND;	1247	REQ_SEND;
1001	}	1248	}
1002		1249
1003	void	1250	void
…		…
1043	aio_statvfs = EIO_STATVFS	1290	aio_statvfs = EIO_STATVFS
1044	PPCODE:	1291	PPCODE:
1045	{	1292	{
1046	dREQ;	1293	dREQ;
1047		1294
1048	req->sv1 = newSVsv (fh_or_path);	1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1049
1050	if (SvPOK (req->sv1))
1051	{
1052	req->type = ix;
1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
1054	}
1055	else
1056	{
1057	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1058	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1059	}
1060		1296
1061	REQ_SEND;	1297	REQ_SEND;
1062	}	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
1063		1315
1064	void	1316	void
1065	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)
1066	PPCODE:	1318	PPCODE:
1067	{	1319	{
1068	dREQ;	1320	dREQ;
1069		1321
1070	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1071	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1323	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1072	req->sv1 = newSVsv (fh_or_path);	1324	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1073
1074	if (SvPOK (req->sv1))
1075	{
1076	req->type = EIO_UTIME;
1077	req->ptr1 = SvPVbyte_nolen (req->sv1);
1078	}
1079	else
1080	{
1081	req->type = EIO_FUTIME;
1082	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1083	}
1084		1325
1085	REQ_SEND;	1326	REQ_SEND;
1086	}	1327	}
1087		1328
1088	void	1329	void
1089	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)
1090	PPCODE:	1331	PPCODE:
1091	{	1332	{
1092	dREQ;	1333	dREQ;
1093		1334
1094	req->sv1 = newSVsv (fh_or_path);
1095	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1096		1336	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1097	if (SvPOK (req->sv1))
1098	{
1099	req->type = EIO_TRUNCATE;
1100	req->ptr1 = SvPVbyte_nolen (req->sv1);
1101	}
1102	else
1103	{
1104	req->type = EIO_FTRUNCATE;
1105	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1106	}
1107		1337
1108	REQ_SEND;	1338	REQ_SEND;
1109	}	1339	}
1110		1340
1111	void	1341	void
1112	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)
1113	ALIAS:
1114	aio_chmod = EIO_CHMOD
1115	aio_mkdir = EIO_MKDIR
1116	PPCODE:	1343	PPCODE:
1117	{	1344	{
1118	dREQ;	1345	dREQ;
1119		1346
1120	req->int2 = mode;	1347	req->int2 = mode;
1121	req->sv1 = newSVsv (fh_or_path);	1348	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1122
1123	if (SvPOK (req->sv1))
1124	{
1125	req->type = ix;
1126	req->ptr1 = SvPVbyte_nolen (req->sv1);
1127	}
1128	else
1129	{
1130	req->type = EIO_FCHMOD;
1131	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1132	}
1133		1349
1134	REQ_SEND;	1350	REQ_SEND;
1135	}	1351	}
1136		1352
1137	void	1353	void
…		…
1140	{	1356	{
1141	dREQ;	1357	dREQ;
1142		1358
1143	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1144	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1360	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1145	req->sv1 = newSVsv (fh_or_path);	1361	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1146
1147	if (SvPOK (req->sv1))
1148	{
1149	req->type = EIO_CHOWN;
1150	req->ptr1 = SvPVbyte_nolen (req->sv1);
1151	}
1152	else
1153	{
1154	req->type = EIO_FCHOWN;
1155	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1156	}
1157		1362
1158	REQ_SEND;	1363	REQ_SEND;
1159	}	1364	}
1160		1365
1161	void	1366	void
…		…
1163	PPCODE:	1368	PPCODE:
1164	{	1369	{
1165	dREQ;	1370	dREQ;
1166		1371
1167	req->type = EIO_READDIR;	1372	req->type = EIO_READDIR;
1168	req->sv1 = newSVsv (pathname);
1169	req->ptr1 = SvPVbyte_nolen (req->sv1);
1170	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1373	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1171		1374
1172	if (flags & EIO_READDIR_DENTS)	1375	if (flags & EIO_READDIR_DENTS)
1173	req->int1 |= EIO_READDIR_CUSTOM2;	1376	req->int1 |= EIO_READDIR_CUSTOM2;
1174		1377
		1378	req_set_path1 (req, pathname);
		1379
1175	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;
1176	}	1394	}
1177		1395
1178	void	1396	void
1179	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1180	ALIAS:	1398	ALIAS:
…		…
1184	PPCODE:	1402	PPCODE:
1185	{	1403	{
1186	dREQ;	1404	dREQ;
1187		1405
1188	req->type = ix;	1406	req->type = ix;
1189	req->sv1 = newSVsv (pathname);	1407	req_set_path1 (req, pathname);
1190	req->ptr1 = SvPVbyte_nolen (req->sv1);
1191		1408
1192	REQ_SEND;	1409	REQ_SEND;
1193	}	1410	}
1194		1411
1195	void	1412	void
…		…
1198	aio_link = EIO_LINK	1415	aio_link = EIO_LINK
1199	aio_symlink = EIO_SYMLINK	1416	aio_symlink = EIO_SYMLINK
1200	aio_rename = EIO_RENAME	1417	aio_rename = EIO_RENAME
1201	PPCODE:	1418	PPCODE:
1202	{	1419	{
		1420	eio_wd wd2 = 0;
1203	dREQ;	1421	dREQ;
1204		1422
1205	req->type = ix;	1423	req->type = ix;
1206	req->sv1 = newSVsv (oldpath);	1424	req_set_path1 (req, oldpath);
1207	req->ptr1 = SvPVbyte_nolen (req->sv1);	1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1208	req->sv2 = newSVsv (newpath);	1426	req->int3 = (long)wd2;
1209	req->ptr2 = SvPVbyte_nolen (req->sv2);
1210		1427
1211	REQ_SEND;	1428	REQ_SEND;
1212	}	1429	}
1213		1430
1214	void	1431	void
…		…
1216	PPCODE:	1433	PPCODE:
1217	{	1434	{
1218	dREQ;	1435	dREQ;
1219		1436
1220	req->type = EIO_MKNOD;	1437	req->type = EIO_MKNOD;
1221	req->sv1 = newSVsv (pathname);
1222	req->ptr1 = SvPVbyte_nolen (req->sv1);
1223	req->int2 = (mode_t)mode;	1438	req->int2 = (mode_t)mode;
1224	req->offs = dev;	1439	req->offs = dev;
		1440	req_set_path1 (req, pathname);
1225		1441
1226	REQ_SEND;	1442	REQ_SEND;
1227	}	1443	}
1228		1444
1229	void	1445	void
…		…
1296		1512
1297	req->type = EIO_MLOCKALL;	1513	req->type = EIO_MLOCKALL;
1298	req->int1 = flags;	1514	req->int1 = flags;
1299		1515
1300	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;
1301	}	1538	}
1302		1539
1303	void	1540	void
1304	aio_busy (double delay, SV *callback=&PL_sv_undef)	1541	aio_busy (double delay, SV *callback=&PL_sv_undef)
1305	PPCODE:	1542	PPCODE:
…		…
1429	CODE:	1666	CODE:
1430	RETVAL = posix_fadvise (fh, offset, length, advice);	1667	RETVAL = posix_fadvise (fh, offset, length, advice);
1431	OUTPUT:	1668	OUTPUT:
1432	RETVAL	1669	RETVAL
1433		1670
1434	ssize_t	1671	IV
1435	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)
1436	CODE:	1673	CODE:
1437	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1674	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1438	OUTPUT:	1675	OUTPUT:
1439	RETVAL	1676	RETVAL
…		…
1523	if (!SvOK (length) || len + offset > svlen)	1760	if (!SvOK (length) || len + offset > svlen)
1524	len = svlen - offset;	1761	len = svlen - offset;
1525		1762
1526	addr = (void *)(((intptr_t)addr) + offset);	1763	addr = (void *)(((intptr_t)addr) + offset);
1527	eio_page_align (&addr, &len);	1764	eio_page_align (&addr, &len);
1528	#if _POSIX_MEMLOCK	1765	#if _POSIX_MEMLOCK_RANGE
1529	RETVAL = munlock (addr, len);	1766	RETVAL = munlock (addr, len);
1530	#else	1767	#else
1531	RETVAL = ((errno = ENOSYS), -1);	1768	RETVAL = ((errno = ENOSYS), -1);
1532	#endif	1769	#endif
1533	}	1770	}
…		…
1551	SvREFCNT_dec (on_next_submit);	1788	SvREFCNT_dec (on_next_submit);
1552	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1789	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1553		1790
1554	PROTOTYPES: DISABLE	1791	PROTOTYPES: DISABLE
1555		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
1556	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1821	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1557		1822
1558	void	1823	void
1559	cancel (aio_req_ornot req)	1824	cancel (aio_req_ornot req)
1560	CODE:	1825	CODE:

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