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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.175 by root, Wed Dec 1 04:43:12 2010 UTC vs.
Revision 1.211 by root, Sat Apr 7 00:50:33 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>
		22	#endif
		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
23	#endif	30	#endif
24		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	#endif	123	static void req_destroy (eio_req *grp);
128	#ifndef POSIX_FADV_SEQUENTIAL	124	#define EIO_DESTROY(req) req_destroy (req)
129	# define POSIX_FADV_SEQUENTIAL 0	125
130	#endif	126	#include "libeio/eio.c"
131	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0
133	#endif
134	#ifndef POSIX_FADV_NOREUSE
135	# define POSIX_FADV_NOREUSE 0
136	#endif
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140	#ifndef POSIX_FADV_DONTNEED
141	# define POSIX_FADV_DONTNEED 0
142	#endif
143		127
144	#if !HAVE_POSIX_FADVISE	128	#if !HAVE_POSIX_FADVISE
145	# 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 */
146	#endif	130	#endif
147		131
148	#ifndef POSIX_MADV_NORMAL
149	# define POSIX_MADV_NORMAL 0
150	#endif
151	#ifndef POSIX_MADV_SEQUENTIAL
152	# define POSIX_MADV_SEQUENTIAL 0
153	#endif
154	#ifndef POSIX_MADV_RANDOM
155	# define POSIX_MADV_RANDOM 0
156	#endif
157	#ifndef POSIX_MADV_WILLNEED
158	# define POSIX_MADV_WILLNEED 0
159	#endif
160	#ifndef POSIX_MADV_DONTNEED
161	# define POSIX_MADV_DONTNEED 0
162	#endif
163
164	#if !HAVE_POSIX_MADVISE	132	#if !HAVE_POSIX_MADVISE
165	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	133	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
166	#endif
167
168	#ifndef PROT_NONE
169	# define PROT_NONE 0
170	#endif
171	#ifndef PROT_READ
172	# define PROT_READ 0
173	#endif
174	#ifndef PROT_WRITE
175	# define PROT_READ 0
176	#endif
177	#ifndef PROT_EXEC
178	# define PROT_EXEC 0
179	#endif
180
181	#ifndef ST_NODEV
182	# define ST_NODEV 0
183	#endif
184	#ifndef ST_NOEXEC
185	# define ST_NOEXEC 0
186	#endif
187	#ifndef ST_SYNCHRONOUS
188	# define ST_SYNCHRONOUS 0
189	#endif
190	#ifndef ST_MANDLOCK
191	# define ST_MANDLOCK 0
192	#endif
193	#ifndef ST_WRITE
194	# define ST_WRITE 0
195	#endif
196	#ifndef ST_APPEND
197	# define ST_APPEND 0
198	#endif
199	#ifndef ST_IMMUTABLE
200	# define ST_IMMUTABLE 0
201	#endif
202	#ifndef ST_NOATIME
203	# define ST_NOATIME 0
204	#endif
205	#ifndef ST_NODIRATIME
206	# define ST_NODIRATIME 0
207	#endif
208	#ifndef ST_RELATIME
209	# define ST_RELATIME 0
210	#endif	134	#endif
211		135
212	#ifndef MAP_ANONYMOUS	136	#ifndef MAP_ANONYMOUS
213	# ifdef MAP_ANON	137	# ifdef MAP_ANON
214	# define MAP_ANONYMOUS MAP_ANON	138	# define MAP_ANONYMOUS MAP_ANON
215	# else	139	# else
216	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
217	# endif	141	# endif
218	#endif	142	#endif
219	#ifndef MAP_HUGETLB	143
220	# 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))
221	#endif	149	#endif
222	#ifndef MAP_LOCKED	150	#ifndef major
223	# define MAP_LOCKED 0	151	# define major(dev) ((dev) >> 8)
224	#endif	152	#endif
225	#ifndef MAP_NORESERVE	153	#ifndef minor
226	# define MAP_NORESERVE 0	154	# define minor(dev) ((dev) & 0xff)
227	#endif
228	#ifndef MAP_POPULATE
229	# define MAP_POPULATE 0
230	#endif
231	#ifndef MAP_NONBLOCK
232	# define MAP_NONBLOCK 0
233	#endif	155	#endif
234		156
235	#ifndef PAGESIZE	157	#ifndef PAGESIZE
236	# define PAGESIZE sysconf (_SC_PAGESIZE)	158	# define PAGESIZE sysconf (_SC_PAGESIZE)
237	#endif	159	#endif
238		160
239	static int req_invoke (eio_req *req);	161	/*****************************************************************************/
240	#define EIO_FINISH(req) req_invoke (req)	162
241	static void req_destroy (eio_req *grp);	163	static void
242	#define EIO_DESTROY(req) req_destroy (req)	164	fiemap (eio_req *req)
		165	{
		166	req->result = -1;
		167
		168	#if HAVE_FIEMAP
		169	int count = req->int3;
		170
		171	/* heuristic: first try with 64 extents if we don't know how many, */
		172	/* as most files have (hopefully) fewer than this many extents */
		173	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
		174	if (count < 0)
		175	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		176
		177	for (;;)
		178	{
		179	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		180	errno = ENOMEM;
		181	if (!fiemap)
		182	return;
		183
		184	req->ptr1 = fiemap;
		185	req->flags |= EIO_FLAG_PTR1_FREE;
		186
		187	fiemap->fm_start = req->offs;
		188	fiemap->fm_length = req->size;
		189	fiemap->fm_flags = req->int2;
		190	fiemap->fm_extent_count = count;
		191
		192	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		193	return;
		194
		195	if (req->int3 >= 0)
		196	break; /* when not autosizing we are done */
		197
		198	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		199	break; /* autosizing successful, we are done */
		200
		201	fiemap->fm_flags = req->int2;
		202	fiemap->fm_extent_count = 0;
		203
		204	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		205	return;
		206
		207	count = fiemap->fm_mapped_extents;
		208
		209	free (fiemap);
		210	}
		211
		212	req->result = 0;
		213
		214	#else
		215	errno = ENOSYS;
		216	#endif
		217	}
		218
		219	/*****************************************************************************/
243		220
244	enum {	221	enum {
245	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	222	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
246	};	223	};
247		224
248	#include "libeio/eio.c"
249
250	typedef eio_req *aio_req;	225	typedef eio_req *aio_req;
251	typedef eio_req *aio_req_ornot;	226	typedef eio_req *aio_req_ornot;
		227	typedef eio_wd aio_wd;
252		228
253	static SV *on_next_submit;	229	static SV *on_next_submit;
254	static int next_pri = EIO_PRI_DEFAULT;	230	static int next_pri = EIO_PRI_DEFAULT;
255	static int max_outstanding;	231	static int max_outstanding;
256		232
257	static s_epipe respipe;	233	static s_epipe respipe;
258		234
259	static void req_destroy (aio_req req);	235	static void req_destroy (aio_req req);
260	static void req_cancel (aio_req req);	236	static void req_cancel (aio_req req);
261		237
262	static void want_poll (void)	238	static void
		239	want_poll (void)
263	{	240	{
264	/* write a dummy byte to the pipe so fh becomes ready */	241	/* write a dummy byte to the pipe so fh becomes ready */
265	s_epipe_signal (&respipe);	242	s_epipe_signal (&respipe);
266	}	243	}
267		244
268	static void done_poll (void)	245	static void
		246	done_poll (void)
269	{	247	{
270	/* read any signals sent by the worker threads */	248	/* read any signals sent by the worker threads */
271	s_epipe_drain (&respipe);	249	s_epipe_drain (&respipe);
272	}	250	}
273		251
274	/* must be called at most once */	252	/* must be called at most once */
		253	static SV *
275	static SV *req_sv (aio_req req, HV *stash)	254	req_sv (aio_req req, HV *stash)
276	{	255	{
277	if (!req->self)	256	if (!req->self)
278	{	257	{
279	req->self = (SV *)newHV ();	258	req->self = (SV *)newHV ();
280	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	259	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
281	}	260	}
282		261
283	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	262	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
284	}	263	}
285		264
286	static aio_req SvAIO_REQ (SV *sv)	265	static SV *
		266	newSVaio_wd (aio_wd wd)
		267	{
		268	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		269	}
		270
		271	static aio_req
		272	SvAIO_REQ (SV *sv)
287	{	273	{
288	MAGIC *mg;	274	MAGIC *mg;
289		275
290	if (!SvROK (sv)	276	if (!SvROK (sv)
		277	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
291	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	278	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
292	&& SvSTASH (SvRV (sv)) != aio_req_stash	279	&& SvSTASH (SvRV (sv)) != aio_req_stash
293	&& !sv_derived_from (sv, "IO::AIO::REQ")))	280	&& !sv_derived_from (sv, "IO::AIO::REQ")))
294	croak ("object of class IO::AIO::REQ expected");	281	croak ("object of class IO::AIO::REQ expected");
295		282
296	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	283	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
297		284
298	return mg ? (aio_req)mg->mg_ptr : 0;	285	return mg ? (aio_req)mg->mg_ptr : 0;
299	}	286	}
300		287
		288	static aio_wd
		289	SvAIO_WD (SV *sv)
		290	{
		291	if (!SvROK (sv)
		292	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		293	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		294	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		295
		296	return (aio_wd)(long)SvIVX (SvRV (sv));
		297	}
		298
		299	static void
301	static void aio_grp_feed (aio_req grp)	300	aio_grp_feed (aio_req grp)
302	{	301	{
303	if (grp->sv2 && SvOK (grp->sv2))	302	if (grp->sv2 && SvOK (grp->sv2))
304	{	303	{
305	dSP;	304	dSP;
306		305
…		…
314	FREETMPS;	313	FREETMPS;
315	LEAVE;	314	LEAVE;
316	}	315	}
317	}	316	}
318		317
		318	static void
319	static void req_submit (eio_req *req)	319	req_submit (eio_req *req)
320	{	320	{
321	eio_submit (req);	321	eio_submit (req);
322		322
323	if (expect_false (on_next_submit))	323	if (expect_false (on_next_submit))
324	{	324	{
…		…
331	PUTBACK;	331	PUTBACK;
332	call_sv (cb, G_DISCARD | G_EVAL);	332	call_sv (cb, G_DISCARD | G_EVAL);
333	}	333	}
334	}	334	}
335		335
		336	static int
336	static int req_invoke (eio_req *req)	337	req_invoke (eio_req *req)
337	{	338	{
338	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
339	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
340		341
341	if (!EIO_CANCELLED (req) && req->callback)	342	if (!EIO_CANCELLED (req) && req->callback)
…		…
352	/* do not recreate the result IV from scratch each time */	353	/* do not recreate the result IV from scratch each time */
353	if (expect_true (sv_result_cache))	354	if (expect_true (sv_result_cache))
354	{	355	{
355	sv_result = sv_result_cache; sv_result_cache = 0;	356	sv_result = sv_result_cache; sv_result_cache = 0;
356	SvIV_set (sv_result, req->result);	357	SvIV_set (sv_result, req->result);
		358	SvIOK_only (sv_result);
357	}	359	}
358	else	360	else
359	{	361	{
360	sv_result = newSViv (req->result);	362	sv_result = newSViv (req->result);
361	SvREADONLY_on (sv_result);	363	SvREADONLY_on (sv_result);
362	}	364	}
363		365
364	switch (req->type)	366	switch (req->type)
365	{	367	{
		368	case EIO_WD_OPEN:
		369	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		370	break;
		371
366	case EIO_READDIR:	372	case EIO_READDIR:
367	{	373	{
368	SV *rv = &PL_sv_undef;	374	SV *rv = &PL_sv_undef;
369		375
370	if (req->result >= 0)	376	if (req->result >= 0)
…		…
458	case EIO_STATVFS:	464	case EIO_STATVFS:
459	case EIO_FSTATVFS:	465	case EIO_FSTATVFS:
460	{	466	{
461	SV *rv = &PL_sv_undef;	467	SV *rv = &PL_sv_undef;
462		468
		469	#ifndef _WIN32
463	if (req->result >= 0)	470	if (req->result >= 0)
464	{	471	{
465	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	472	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
466	HV *hv = newHV ();	473	HV *hv = newHV ();
467		474
…		…
477	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	484	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
478	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	485	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
479	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	486	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
480	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	487	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
481	}	488	}
		489	#endif
482		490
483	PUSHs (rv);	491	PUSHs (rv);
484	}	492	}
485		493
486	break;	494	break;
…		…
502	case EIO_NOP:	510	case EIO_NOP:
503	case EIO_BUSY:	511	case EIO_BUSY:
504	break;	512	break;
505		513
506	case EIO_READLINK:	514	case EIO_READLINK:
		515	case EIO_REALPATH:
507	if (req->result > 0)	516	if (req->result > 0)
508	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	517	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
509	break;	518	break;
510		519
511	case EIO_STAT:	520	case EIO_STAT:
512	case EIO_LSTAT:	521	case EIO_LSTAT:
513	case EIO_FSTAT:	522	case EIO_FSTAT:
514	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	523	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		524
515	PL_laststatval = req->result;	525	if (!(PL_laststatval = req->result))
		526	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
516	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	527	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		528
517	PUSHs (sv_result);	529	PUSHs (sv_result);
		530	break;
		531
		532	case EIO_SEEK:
		533	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
518	break;	534	break;
519		535
520	case EIO_READ:	536	case EIO_READ:
521	{	537	{
522	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	538	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
525	SvSETMAGIC (req->sv2);	541	SvSETMAGIC (req->sv2);
526	PUSHs (sv_result);	542	PUSHs (sv_result);
527	}	543	}
528	break;	544	break;
529		545
		546	case EIO_CUSTOM:
		547	if (req->feed == fiemap)
		548	{
		549	#if HAVE_FIEMAP
		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	#endif
		581	}
		582	else
		583	PUSHs (sv_result);
		584	break;
		585
530	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	586	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
531	if (req->result > 0)	587	if (req->result > 0)
532	SvIV_set (sv_result, 0);	588	SvIV_set (sv_result, 0);
533	/* FALLTHROUGH */	589	/* FALLTHROUGH */
534		590
535	default:	591	default:
…		…
555	}	611	}
556		612
557	return !!SvTRUE (ERRSV);	613	return !!SvTRUE (ERRSV);
558	}	614	}
559		615
		616	static void
560	static void req_destroy (aio_req req)	617	req_destroy (aio_req req)
561	{	618	{
562	if (req->self)	619	if (req->self)
563	{	620	{
564	sv_unmagic (req->self, PERL_MAGIC_ext);	621	sv_unmagic (req->self, PERL_MAGIC_ext);
565	SvREFCNT_dec (req->self);	622	SvREFCNT_dec (req->self);
566	}	623	}
567		624
568	SvREFCNT_dec (req->sv1);	625	SvREFCNT_dec (req->sv1);
569	SvREFCNT_dec (req->sv2);	626	SvREFCNT_dec (req->sv2);
		627	SvREFCNT_dec (req->sv3);
		628	SvREFCNT_dec (req->sv4);
570	SvREFCNT_dec (req->callback);	629	SvREFCNT_dec (req->callback);
571		630
572	Safefree (req);	631	free (req);
573	}	632	}
574		633
		634	static void
575	static void req_cancel_subs (aio_req grp)	635	req_cancel_subs (aio_req grp)
576	{	636	{
577	aio_req sub;
578
579	if (grp->type != EIO_GROUP)	637	if (grp->type != EIO_GROUP)
580	return;	638	return;
581		639
582	SvREFCNT_dec (grp->sv2);	640	SvREFCNT_dec (grp->sv2);
583	grp->sv2 = 0;	641	grp->sv2 = 0;
584		642
585	eio_grp_cancel (grp);	643	eio_grp_cancel (grp);
586	}	644	}
587		645
588	static void	646	static void ecb_cold
589	create_respipe (void)	647	create_respipe (void)
590	{	648	{
591	if (s_epipe_renew (&respipe))	649	if (s_epipe_renew (&respipe))
592	croak ("IO::AIO: unable to initialize result pipe");	650	croak ("IO::AIO: unable to initialize result pipe");
593	}	651	}
594		652
595	static void poll_wait (void)	653	static void
		654	poll_wait (void)
596	{	655	{
597	while (eio_nreqs ())	656	while (eio_nreqs ())
598	{	657	{
599	int size;	658	int size;
600		659
…		…
609		668
610	s_epipe_wait (&respipe);	669	s_epipe_wait (&respipe);
611	}	670	}
612	}	671	}
613		672
614	static int poll_cb (void)	673	static int
		674	poll_cb (void)
615	{	675	{
616	for (;;)	676	for (;;)
617	{	677	{
618	int res = eio_poll ();	678	int res = eio_poll ();
619		679
…		…
625		685
626	poll_wait ();	686	poll_wait ();
627	}	687	}
628	}	688	}
629		689
630	static void atfork_child (void)	690	static void ecb_cold
		691	reinit (void)
631	{	692	{
632	create_respipe ();	693	create_respipe ();
		694
		695	if (eio_init (want_poll, done_poll) < 0)
		696	croak ("IO::AIO: unable to initialise eio library");
633	}	697	}
634		698
635	/*****************************************************************************/	699	/*****************************************************************************/
636		700
637	#if !_POSIX_MAPPED_FILES	701	#if !_POSIX_MAPPED_FILES
638	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	702	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
639	# define munmap(addr,length) (errno = ENOSYS, -1)	703	# define munmap(addr,length) (errno = ENOSYS, -1)
		704	#endif
		705
		706	#if !_POSIX_MEMORY_PROTECTION
640	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	707	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
641	# define PROT_NONE 0	708	# define PROT_NONE 0
642	# define PROT_WRITE 0	709	# define PROT_WRITE 0
643	# define MAP_PRIVATE 0	710	# define MAP_PRIVATE 0
644	# define MAP_SHARED 0	711	# define MAP_SHARED 0
645	# define MAP_FIXED 0	712	# define MAP_FIXED 0
646	#endif	713	#endif
647		714
648	#define MMAP_MAGIC PERL_MAGIC_ext	715	#define MMAP_MAGIC PERL_MAGIC_ext
649		716
650	static int	717	static int ecb_cold
651	mmap_free (pTHX_ SV *sv, MAGIC *mg)	718	mmap_free (pTHX_ SV *sv, MAGIC *mg)
652	{	719	{
653	int old_errno = errno;	720	int old_errno = errno;
654	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	721	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
655	errno = old_errno;	722	errno = old_errno;
…		…
679	{	746	{
680	SvGETMAGIC (cb_sv);	747	SvGETMAGIC (cb_sv);
681	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	748	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
682	}	749	}
683		750
		751	static aio_req ecb_noinline
		752	dreq (SV *callback)
		753	{
		754	SV *cb_cv;
		755	aio_req req;
		756	int req_pri = next_pri;
		757	next_pri = EIO_PRI_DEFAULT;
		758
		759	cb_cv = get_cb (callback);
		760
		761	req = calloc (sizeof (*req), 1);
		762	if (!req)
		763	croak ("out of memory during eio_req allocation");
		764
		765	req->callback = SvREFCNT_inc (cb_cv);
		766	req->pri = req_pri;
		767
		768	return req;
		769	}
		770
684	#define dREQ \	771	#define dREQ \
685	SV *cb_cv; \	772	aio_req req = dreq (callback); \
686	aio_req req; \
687	int req_pri = next_pri; \
688	next_pri = EIO_PRI_DEFAULT; \
689	\
690	cb_cv = get_cb (callback); \
691	\
692	Newz (0, req, 1, eio_req); \
693	if (!req) \
694	croak ("out of memory during eio_req allocation"); \
695	\
696	req->callback = SvREFCNT_inc (cb_cv); \
697	req->pri = req_pri
698		773
699	#define REQ_SEND \	774	#define REQ_SEND \
700	PUTBACK; \	775	PUTBACK; \
701	req_submit (req); \	776	req_submit (req); \
702	SPAGAIN; \	777	SPAGAIN; \
703	\	778	\
704	if (GIMME_V != G_VOID) \	779	if (GIMME_V != G_VOID) \
705	XPUSHs (req_sv (req, aio_req_stash));	780	XPUSHs (req_sv (req, aio_req_stash));
706		781
		782	ecb_inline void
		783	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		784	{
		785	if (expect_false (SvROK (path)))
		786	{
		787	SV *rv = SvRV (path);
		788	SV *wdob;
		789
		790	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		791	{
		792	path = AvARRAY (rv)[1];
		793	wdob = AvARRAY (rv)[0];
		794
		795	if (SvOK (wdob))
		796	{
		797	*wd = SvAIO_WD (wdob);
		798	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		799	}
		800	else
		801	*wd = EIO_INVALID_WD;
		802	}
		803	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		804	{
		805	*wd = (aio_wd)(long)SvIVX (rv);
		806	*wdsv = SvREFCNT_inc_NN (rv);
		807	*ptr = ".";
		808	return; /* path set to "." */
		809	}
		810	else
		811	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		812	}
		813
		814	*pathsv = newSVsv (path);
		815	*ptr = SvPVbyte_nolen (*pathsv);
		816	}
		817
		818	static void ecb_noinline
		819	req_set_path1 (aio_req req, SV *path)
		820	{
		821	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		822	}
		823
		824	static void ecb_noinline
		825	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		826	{
		827	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		828
		829	switch (SvTYPE (rv))
		830	{
		831	case SVt_PVIO:
		832	case SVt_PVLV:
		833	case SVt_PVGV:
		834	req->type = type_fh;
		835	req->sv1 = newSVsv (fh_or_path);
		836	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		837	break;
		838
		839	default:
		840	req->type = type_path;
		841	req_set_path1 (req, fh_or_path);
		842	break;
		843	}
		844	}
		845
		846	XS(boot_IO__AIO) ecb_cold;
		847
707	MODULE = IO::AIO PACKAGE = IO::AIO	848	MODULE = IO::AIO PACKAGE = IO::AIO
708		849
709	PROTOTYPES: ENABLE	850	PROTOTYPES: ENABLE
710		851
711	BOOT:	852	BOOT:
…		…
715	IV iv;	856	IV iv;
716	} *civ, const_iv[] = {	857	} *civ, const_iv[] = {
717	# define const_niv(name, value) { # name, (IV) value },	858	# define const_niv(name, value) { # name, (IV) value },
718	# define const_iv(name) { # name, (IV) name },	859	# define const_iv(name) { # name, (IV) name },
719	# define const_eio(name) { # name, (IV) EIO_ ## name },	860	# define const_eio(name) { # name, (IV) EIO_ ## name },
		861
		862	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		863
		864	const_iv (ENOSYS)
720	const_iv (EXDEV)	865	const_iv (EXDEV)
721	const_iv (ENOSYS)	866	const_iv (EBADR)
		867
722	const_iv (O_RDONLY)	868	const_iv (O_RDONLY)
723	const_iv (O_WRONLY)	869	const_iv (O_WRONLY)
724	const_iv (O_RDWR)	870	const_iv (O_RDWR)
725	const_iv (O_CREAT)	871	const_iv (O_CREAT)
726	const_iv (O_TRUNC)	872	const_iv (O_TRUNC)
727	const_iv (O_EXCL)	873	const_iv (O_EXCL)
728	const_iv (O_APPEND)	874	const_iv (O_APPEND)
729	#ifndef _WIN32	875
		876	const_iv (O_ASYNC)
		877	const_iv (O_DIRECT)
		878	const_iv (O_NOATIME)
		879
		880	const_iv (O_CLOEXEC)
		881	const_iv (O_NOCTTY)
		882	const_iv (O_NOFOLLOW)
		883	const_iv (O_NONBLOCK)
		884	const_iv (O_EXEC)
		885	const_iv (O_SEARCH)
		886	const_iv (O_DIRECTORY)
		887	const_iv (O_DSYNC)
		888	const_iv (O_RSYNC)
		889	const_iv (O_SYNC)
		890	const_iv (O_TTY_INIT)
		891
730	const_iv (S_IFIFO)	892	const_iv (S_IFIFO)
731	#endif	893	const_iv (S_IFCHR)
		894	const_iv (S_IFBLK)
		895	const_iv (S_IFLNK)
		896	const_iv (S_IFREG)
		897	const_iv (S_IFDIR)
		898	const_iv (S_IFWHT)
		899	const_iv (S_IFSOCK)
		900	const_iv (S_IFMT)
		901
732	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	902	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
733	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	903	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
734	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	904	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
735	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	905	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
736	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	906	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
770	const_iv (MAP_LOCKED)	940	const_iv (MAP_LOCKED)
771	const_iv (MAP_NORESERVE)	941	const_iv (MAP_NORESERVE)
772	const_iv (MAP_POPULATE)	942	const_iv (MAP_POPULATE)
773	const_iv (MAP_NONBLOCK)	943	const_iv (MAP_NONBLOCK)
774		944
		945	const_iv (FIEMAP_FLAG_SYNC)
		946	const_iv (FIEMAP_FLAG_XATTR)
		947	const_iv (FIEMAP_FLAGS_COMPAT)
		948	const_iv (FIEMAP_EXTENT_LAST)
		949	const_iv (FIEMAP_EXTENT_UNKNOWN)
		950	const_iv (FIEMAP_EXTENT_DELALLOC)
		951	const_iv (FIEMAP_EXTENT_ENCODED)
		952	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		953	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		954	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		955	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		956	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		957	const_iv (FIEMAP_EXTENT_MERGED)
		958	const_iv (FIEMAP_EXTENT_SHARED)
		959
		960	const_eio (SEEK_SET)
		961	const_eio (SEEK_CUR)
		962	const_eio (SEEK_END)
		963
775	const_eio (MCL_FUTURE)	964	const_eio (MCL_FUTURE)
776	const_eio (MCL_CURRENT)	965	const_eio (MCL_CURRENT)
777		966
778	const_eio (MS_ASYNC)	967	const_eio (MS_ASYNC)
779	const_eio (MS_INVALIDATE)	968	const_eio (MS_INVALIDATE)
…		…
782	const_eio (MT_MODIFY)	971	const_eio (MT_MODIFY)
783		972
784	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	973	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
785	const_eio (SYNC_FILE_RANGE_WRITE)	974	const_eio (SYNC_FILE_RANGE_WRITE)
786	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	975	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		976
		977	const_eio (FALLOC_FL_KEEP_SIZE)
787		978
788	const_eio (READDIR_DENTS)	979	const_eio (READDIR_DENTS)
789	const_eio (READDIR_DIRS_FIRST)	980	const_eio (READDIR_DIRS_FIRST)
790	const_eio (READDIR_STAT_ORDER)	981	const_eio (READDIR_STAT_ORDER)
791	const_eio (READDIR_FOUND_UNKNOWN)	982	const_eio (READDIR_FOUND_UNKNOWN)
…		…
802	};	993	};
803		994
804	aio_stash = gv_stashpv ("IO::AIO" , 1);	995	aio_stash = gv_stashpv ("IO::AIO" , 1);
805	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	996	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
806	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	997	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		998	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
807		999
808	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1000	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
809	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1001	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
810		1002
811	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1003	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
812		1004
813	create_respipe ();	1005	reinit ();
814
815	if (eio_init (want_poll, done_poll) < 0)
816	croak ("IO::AIO: unable to initialise eio library");
817
818	/* atfork child called in fifo order, so before eio's handler */
819	X_THREAD_ATFORK (0, 0, atfork_child);
820	}	1006	}
821		1007
822	void	1008	void
		1009	reinit ()
		1010	PROTOTYPE:
		1011
		1012	void
823	max_poll_reqs (int nreqs)	1013	max_poll_reqs (unsigned int nreqs)
824	PROTOTYPE: $	1014	PROTOTYPE: $
825	CODE:	1015	CODE:
826	eio_set_max_poll_reqs (nreqs);	1016	eio_set_max_poll_reqs (nreqs);
827		1017
828	void	1018	void
…		…
830	PROTOTYPE: $	1020	PROTOTYPE: $
831	CODE:	1021	CODE:
832	eio_set_max_poll_time (nseconds);	1022	eio_set_max_poll_time (nseconds);
833		1023
834	void	1024	void
835	min_parallel (int nthreads)	1025	min_parallel (unsigned int nthreads)
836	PROTOTYPE: $	1026	PROTOTYPE: $
837	CODE:	1027	CODE:
838	eio_set_min_parallel (nthreads);	1028	eio_set_min_parallel (nthreads);
839		1029
840	void	1030	void
841	max_parallel (int nthreads)	1031	max_parallel (unsigned int nthreads)
842	PROTOTYPE: $	1032	PROTOTYPE: $
843	CODE:	1033	CODE:
844	eio_set_max_parallel (nthreads);	1034	eio_set_max_parallel (nthreads);
845		1035
846	void	1036	void
847	max_idle (int nthreads)	1037	max_idle (unsigned int nthreads)
848	PROTOTYPE: $	1038	PROTOTYPE: $
849	CODE:	1039	CODE:
850	eio_set_max_idle (nthreads);	1040	eio_set_max_idle (nthreads);
851		1041
852	void	1042	void
		1043	idle_timeout (unsigned int seconds)
		1044	PROTOTYPE: $
		1045	CODE:
		1046	eio_set_idle_timeout (seconds);
		1047
		1048	void
853	max_outstanding (int maxreqs)	1049	max_outstanding (unsigned int maxreqs)
854	PROTOTYPE: $	1050	PROTOTYPE: $
855	CODE:	1051	CODE:
856	max_outstanding = maxreqs;	1052	max_outstanding = maxreqs;
857		1053
858	void	1054	void
		1055	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1056	PPCODE:
		1057	{
		1058	dREQ;
		1059
		1060	req->type = EIO_WD_OPEN;
		1061	req_set_path1 (req, pathname);
		1062
		1063	REQ_SEND;
		1064	}
		1065
		1066	void
859	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1067	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
860	PPCODE:	1068	PPCODE:
861	{	1069	{
862	dREQ;	1070	dREQ;
863		1071
864	req->type = EIO_OPEN;	1072	req->type = EIO_OPEN;
865	req->sv1 = newSVsv (pathname);	1073	req_set_path1 (req, pathname);
866	req->ptr1 = SvPVbyte_nolen (req->sv1);
867	req->int1 = flags;	1074	req->int1 = flags;
868	req->int2 = mode;	1075	req->int2 = mode;
869		1076
870	REQ_SEND;	1077	REQ_SEND;
871	}	1078	}
…		…
873	void	1080	void
874	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1081	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
875	ALIAS:	1082	ALIAS:
876	aio_fsync = EIO_FSYNC	1083	aio_fsync = EIO_FSYNC
877	aio_fdatasync = EIO_FDATASYNC	1084	aio_fdatasync = EIO_FDATASYNC
		1085	aio_syncfs = EIO_SYNCFS
878	PPCODE:	1086	PPCODE:
879	{	1087	{
880	int fd = s_fileno_croak (fh, 0);	1088	int fd = s_fileno_croak (fh, 0);
881	dREQ;	1089	dREQ;
882		1090
883	req->type = ix;	1091	req->type = ix;
884	req->sv1 = newSVsv (fh);	1092	req->sv1 = newSVsv (fh);
885	req->int1 = fd;	1093	req->int1 = fd;
886		1094
887	REQ_SEND (req);	1095	REQ_SEND;
888	}	1096	}
889		1097
890	void	1098	void
891	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1099	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
892	PPCODE:	1100	PPCODE:
…		…
899	req->int1 = fd;	1107	req->int1 = fd;
900	req->offs = offset;	1108	req->offs = offset;
901	req->size = nbytes;	1109	req->size = nbytes;
902	req->int2 = flags;	1110	req->int2 = flags;
903		1111
904	REQ_SEND (req);	1112	REQ_SEND;
		1113	}
		1114
		1115	void
		1116	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1117	PPCODE:
		1118	{
		1119	int fd = s_fileno_croak (fh, 0);
		1120	dREQ;
		1121
		1122	req->type = EIO_FALLOCATE;
		1123	req->sv1 = newSVsv (fh);
		1124	req->int1 = fd;
		1125	req->int2 = mode;
		1126	req->offs = offset;
		1127	req->size = len;
		1128
		1129	REQ_SEND;
905	}	1130	}
906		1131
907	void	1132	void
908	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1133	aio_close (SV *fh, SV *callback=&PL_sv_undef)
909	PPCODE:	1134	PPCODE:
910	{	1135	{
911	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1136	static int close_fd = -1; /* dummy fd to close fds via dup2 */
912	int fd = s_fileno_croak (fh, 0);	1137	int fd = s_fileno_croak (fh, 0);
913	dREQ;	1138	dREQ;
914		1139
915	if (close_pipe < 0)	1140	if (expect_false (close_fd < 0))
916	{	1141	{
917	int pipefd [2];	1142	int pipefd [2];
918		1143
		1144	if (
		1145	#ifdef _WIN32
		1146	_pipe (pipefd, 1, _O_BINARY) < 0
		1147	#else
919	if (pipe (pipefd) < 0	1148	pipe (pipefd) < 0
920	|| close (pipefd [1]) < 0
921	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1149	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1150	#endif
		1151	|| close (pipefd [1]) < 0
		1152	)
922	abort (); /*D*/	1153	abort (); /*D*/
923		1154
924	close_pipe = pipefd [0];	1155	close_fd = pipefd [0];
925	}	1156	}
926		1157
927	req->type = EIO_DUP2;	1158	req->type = EIO_DUP2;
928	req->int1 = close_pipe;	1159	req->int1 = close_fd;
929	req->sv2 = newSVsv (fh);	1160	req->sv2 = newSVsv (fh);
930	req->int2 = fd;	1161	req->int2 = fd;
931		1162
932	REQ_SEND (req);	1163	REQ_SEND;
		1164	}
		1165
		1166	void
		1167	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1168	PPCODE:
		1169	{
		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;
933	}	1180	}
934		1181
935	void	1182	void
936	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)
937	ALIAS:	1184	ALIAS:
…		…
984	REQ_SEND;	1231	REQ_SEND;
985	}	1232	}
986	}	1233	}
987		1234
988	void	1235	void
989	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
990	PPCODE:	1240	PPCODE:
991	{	1241	{
992	SV *data;
993	dREQ;	1242	dREQ;
994		1243
995	req->type = EIO_READLINK;	1244	req->type = ix;
996	req->sv1 = newSVsv (path);	1245	req_set_path1 (req, pathname);
997	req->ptr1 = SvPVbyte_nolen (req->sv1);
998		1246
999	REQ_SEND;	1247	REQ_SEND;
1000	}	1248	}
1001		1249
1002	void	1250	void
…		…
1042	aio_statvfs = EIO_STATVFS	1290	aio_statvfs = EIO_STATVFS
1043	PPCODE:	1291	PPCODE:
1044	{	1292	{
1045	dREQ;	1293	dREQ;
1046		1294
1047	req->sv1 = newSVsv (fh_or_path);	1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1048
1049	if (SvPOK (req->sv1))
1050	{
1051	req->type = ix;
1052	req->ptr1 = SvPVbyte_nolen (req->sv1);
1053	}
1054	else
1055	{
1056	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1057	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1058	}
1059		1296
1060	REQ_SEND;	1297	REQ_SEND;
1061	}	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
1062		1315
1063	void	1316	void
1064	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)
1065	PPCODE:	1318	PPCODE:
1066	{	1319	{
1067	dREQ;	1320	dREQ;
1068		1321
1069	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1070	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1323	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1071	req->sv1 = newSVsv (fh_or_path);	1324	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1072
1073	if (SvPOK (req->sv1))
1074	{
1075	req->type = EIO_UTIME;
1076	req->ptr1 = SvPVbyte_nolen (req->sv1);
1077	}
1078	else
1079	{
1080	req->type = EIO_FUTIME;
1081	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1082	}
1083		1325
1084	REQ_SEND;	1326	REQ_SEND;
1085	}	1327	}
1086		1328
1087	void	1329	void
1088	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)
1089	PPCODE:	1331	PPCODE:
1090	{	1332	{
1091	dREQ;	1333	dREQ;
1092		1334
1093	req->sv1 = newSVsv (fh_or_path);
1094	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1095		1336	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1096	if (SvPOK (req->sv1))
1097	{
1098	req->type = EIO_TRUNCATE;
1099	req->ptr1 = SvPVbyte_nolen (req->sv1);
1100	}
1101	else
1102	{
1103	req->type = EIO_FTRUNCATE;
1104	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1105	}
1106		1337
1107	REQ_SEND;	1338	REQ_SEND;
1108	}	1339	}
1109		1340
1110	void	1341	void
1111	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)
1112	ALIAS:
1113	aio_chmod = EIO_CHMOD
1114	aio_mkdir = EIO_MKDIR
1115	PPCODE:	1343	PPCODE:
1116	{	1344	{
1117	dREQ;	1345	dREQ;
1118		1346
1119	req->int2 = mode;	1347	req->int2 = mode;
1120	req->sv1 = newSVsv (fh_or_path);	1348	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1121
1122	if (SvPOK (req->sv1))
1123	{
1124	req->type = ix;
1125	req->ptr1 = SvPVbyte_nolen (req->sv1);
1126	}
1127	else
1128	{
1129	req->type = EIO_FCHMOD;
1130	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1131	}
1132		1349
1133	REQ_SEND;	1350	REQ_SEND;
1134	}	1351	}
1135		1352
1136	void	1353	void
…		…
1139	{	1356	{
1140	dREQ;	1357	dREQ;
1141		1358
1142	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1143	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1360	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1144	req->sv1 = newSVsv (fh_or_path);	1361	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1145
1146	if (SvPOK (req->sv1))
1147	{
1148	req->type = EIO_CHOWN;
1149	req->ptr1 = SvPVbyte_nolen (req->sv1);
1150	}
1151	else
1152	{
1153	req->type = EIO_FCHOWN;
1154	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1155	}
1156		1362
1157	REQ_SEND;	1363	REQ_SEND;
1158	}	1364	}
1159		1365
1160	void	1366	void
…		…
1162	PPCODE:	1368	PPCODE:
1163	{	1369	{
1164	dREQ;	1370	dREQ;
1165		1371
1166	req->type = EIO_READDIR;	1372	req->type = EIO_READDIR;
1167	req->sv1 = newSVsv (pathname);
1168	req->ptr1 = SvPVbyte_nolen (req->sv1);
1169	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1373	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1170		1374
1171	if (flags & EIO_READDIR_DENTS)	1375	if (flags & EIO_READDIR_DENTS)
1172	req->int1 |= EIO_READDIR_CUSTOM2;	1376	req->int1 |= EIO_READDIR_CUSTOM2;
1173		1377
		1378	req_set_path1 (req, pathname);
		1379
1174	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;
1175	}	1394	}
1176		1395
1177	void	1396	void
1178	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1179	ALIAS:	1398	ALIAS:
…		…
1183	PPCODE:	1402	PPCODE:
1184	{	1403	{
1185	dREQ;	1404	dREQ;
1186		1405
1187	req->type = ix;	1406	req->type = ix;
1188	req->sv1 = newSVsv (pathname);	1407	req_set_path1 (req, pathname);
1189	req->ptr1 = SvPVbyte_nolen (req->sv1);
1190		1408
1191	REQ_SEND;	1409	REQ_SEND;
1192	}	1410	}
1193		1411
1194	void	1412	void
…		…
1197	aio_link = EIO_LINK	1415	aio_link = EIO_LINK
1198	aio_symlink = EIO_SYMLINK	1416	aio_symlink = EIO_SYMLINK
1199	aio_rename = EIO_RENAME	1417	aio_rename = EIO_RENAME
1200	PPCODE:	1418	PPCODE:
1201	{	1419	{
		1420	eio_wd wd2 = 0;
1202	dREQ;	1421	dREQ;
1203		1422
1204	req->type = ix;	1423	req->type = ix;
1205	req->sv1 = newSVsv (oldpath);	1424	req_set_path1 (req, oldpath);
1206	req->ptr1 = SvPVbyte_nolen (req->sv1);	1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1207	req->sv2 = newSVsv (newpath);	1426	req->int3 = (long)wd2;
1208	req->ptr2 = SvPVbyte_nolen (req->sv2);
1209		1427
1210	REQ_SEND;	1428	REQ_SEND;
1211	}	1429	}
1212		1430
1213	void	1431	void
…		…
1215	PPCODE:	1433	PPCODE:
1216	{	1434	{
1217	dREQ;	1435	dREQ;
1218		1436
1219	req->type = EIO_MKNOD;	1437	req->type = EIO_MKNOD;
1220	req->sv1 = newSVsv (pathname);
1221	req->ptr1 = SvPVbyte_nolen (req->sv1);
1222	req->int2 = (mode_t)mode;	1438	req->int2 = (mode_t)mode;
1223	req->offs = dev;	1439	req->offs = dev;
		1440	req_set_path1 (req, pathname);
1224		1441
1225	REQ_SEND;	1442	REQ_SEND;
1226	}	1443	}
1227		1444
1228	void	1445	void
…		…
1295		1512
1296	req->type = EIO_MLOCKALL;	1513	req->type = EIO_MLOCKALL;
1297	req->int1 = flags;	1514	req->int1 = flags;
1298		1515
1299	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	#if HAVE_FIEMAP
		1532	/* keep our fingers crossed that the next two types are 64 bit */
		1533	req->offs = start;
		1534	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1535	req->int2 = flags;
		1536	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1537	#endif
		1538
		1539	REQ_SEND;
1300	}	1540	}
1301		1541
1302	void	1542	void
1303	aio_busy (double delay, SV *callback=&PL_sv_undef)	1543	aio_busy (double delay, SV *callback=&PL_sv_undef)
1304	PPCODE:	1544	PPCODE:
…		…
1428	CODE:	1668	CODE:
1429	RETVAL = posix_fadvise (fh, offset, length, advice);	1669	RETVAL = posix_fadvise (fh, offset, length, advice);
1430	OUTPUT:	1670	OUTPUT:
1431	RETVAL	1671	RETVAL
1432		1672
1433	ssize_t	1673	IV
1434	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1674	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1435	CODE:	1675	CODE:
1436	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1676	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1437	OUTPUT:	1677	OUTPUT:
1438	RETVAL	1678	RETVAL
…		…
1522	if (!SvOK (length) || len + offset > svlen)	1762	if (!SvOK (length) || len + offset > svlen)
1523	len = svlen - offset;	1763	len = svlen - offset;
1524		1764
1525	addr = (void *)(((intptr_t)addr) + offset);	1765	addr = (void *)(((intptr_t)addr) + offset);
1526	eio_page_align (&addr, &len);	1766	eio_page_align (&addr, &len);
1527	#if _POSIX_MEMLOCK	1767	#if _POSIX_MEMLOCK_RANGE
1528	RETVAL = munlock (addr, len);	1768	RETVAL = munlock (addr, len);
1529	#else	1769	#else
1530	RETVAL = ((errno = ENOSYS), -1);	1770	RETVAL = ((errno = ENOSYS), -1);
1531	#endif	1771	#endif
1532	}	1772	}
…		…
1550	SvREFCNT_dec (on_next_submit);	1790	SvREFCNT_dec (on_next_submit);
1551	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1791	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1552		1792
1553	PROTOTYPES: DISABLE	1793	PROTOTYPES: DISABLE
1554		1794
		1795	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1796
		1797	BOOT:
		1798	{
		1799	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1800	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1801	}
		1802
		1803	void
		1804	DESTROY (SV *self)
		1805	CODE:
		1806	{
		1807	aio_wd wd = SvAIO_WD (self);
		1808	#if HAVE_AT
		1809	{
		1810	SV *callback = &PL_sv_undef;
		1811	dREQ; /* clobbers next_pri :/ */
		1812	next_pri = req->pri; /* restore next_pri */
		1813	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1814	req->type = EIO_WD_CLOSE;
		1815	req->wd = wd;
		1816	REQ_SEND;
		1817	}
		1818	#else
		1819	eio_wd_close_sync (wd);
		1820	#endif
		1821	}
		1822
1555	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1823	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1556		1824
1557	void	1825	void
1558	cancel (aio_req_ornot req)	1826	cancel (aio_req_ornot req)
1559	CODE:	1827	CODE:

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