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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.183 by root, Tue Jul 5 09:24:11 2011 UTC vs.
Revision 1.214 by root, Mon May 28 17:00:19 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_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
		31	#endif
		32
25	/* perl namespace pollution */	33	/* perl namespace pollution */
26	#undef VERSION	34	#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		35
77	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	38	#undef readdir
80	#undef opendir	39	#undef opendir
81	#undef closedir	40	#undef closedir
82		41
		42	#ifdef _WIN32
		43
		44	// perl overrides all those nice libc functions
		45
		46	#undef malloc
		47	#undef free
		48	#undef open
		49	#undef read
		50	#undef write
		51	#undef send
		52	#undef recv
		53	#undef stat
		54	#undef lstat
		55	#undef fstat
		56	#undef truncate
		57	#undef ftruncate
		58	#undef open
		59	#undef link
		60	#undef close
		61	#undef unlink
		62	#undef mkdir
		63	#undef rmdir
		64	#undef rename
		65	#undef lseek
		66	#undef opendir
		67	#undef readdir
		68	#undef closedir
		69	#undef chmod
		70	#undef fchmod
		71	#undef dup
		72	#undef dup2
		73	#undef abort
		74	#undef pipe
		75
		76	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STATI64
84		78
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	79	#else
91	# define VAL64 NV	80
92	# define SvVAL64 SvNV	81	#include <sys/time.h>
93	# define newSVval64 newSVnv	82	#include <sys/select.h>
		83	#include <unistd.h>
		84	#include <utime.h>
		85	#include <signal.h>
		86
		87	#define EIO_STRUCT_STAT Stat_t
		88
94	#endif	89	#endif
95		90
96	/*****************************************************************************/	91	/*****************************************************************************/
97		92
98	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
108		103
109	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
112		107
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		109
115	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
116	SV *callback; \	111	SV *callback; \
117	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
118	STRLEN stroffset; \	114	STRLEN stroffset; \
119	SV *self;	115	SV *self;
120		116
121	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
122		118
123	#include "libeio/config.h"	119	#include "libeio/config.h"
124	#include "libeio/eio.h"	120	#include "libeio/eio.h"
125		121
126	/* Linux/others */	122	static int req_invoke (eio_req *req);
127	#ifndef O_ASYNC	123	#define EIO_FINISH(req) req_invoke (req)
128	# define O_ASYNC 0	124	static void req_destroy (eio_req *grp);
129	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
130	#ifndef O_DIRECT
131	# define O_DIRECT 0
132	#endif
133	#ifndef O_NOATIME
134	# define O_NOATIME 0
135	#endif
136		126
137	/* POSIX */	127	#include "libeio/eio.c"
138	#ifndef O_CLOEXEC
139	# define O_CLOEXEC 0
140	#endif
141	#ifndef O_NOFOLLOW
142	# define O_NOFOLLOW 0
143	#endif
144	#ifndef O_NOCTTY
145	# define O_NOCTTY 0
146	#endif
147	#ifndef O_NONBLOCK
148	# define O_NONBLOCK 0
149	#endif
150	#ifndef O_EXEC
151	# define O_EXEC 0
152	#endif
153	#ifndef O_SEARCH
154	# define O_SEARCH 0
155	#endif
156	#ifndef O_DIRECTORY
157	# define O_DIRECTORY 0
158	#endif
159	#ifndef O_DSYNC
160	# define O_DSYNC 0
161	#endif
162	#ifndef O_RSYNC
163	# define O_RSYNC 0
164	#endif
165	#ifndef O_SYNC
166	# define O_SYNC 0
167	#endif
168	#ifndef O_TTY_INIT
169	# define O_TTY_INIT 0
170	#endif
171
172	#ifndef POSIX_FADV_NORMAL
173	# define POSIX_FADV_NORMAL 0
174	#endif
175	#ifndef POSIX_FADV_SEQUENTIAL
176	# define POSIX_FADV_SEQUENTIAL 0
177	#endif
178	#ifndef POSIX_FADV_RANDOM
179	# define POSIX_FADV_RANDOM 0
180	#endif
181	#ifndef POSIX_FADV_NOREUSE
182	# define POSIX_FADV_NOREUSE 0
183	#endif
184	#ifndef POSIX_FADV_WILLNEED
185	# define POSIX_FADV_WILLNEED 0
186	#endif
187	#ifndef POSIX_FADV_DONTNEED
188	# define POSIX_FADV_DONTNEED 0
189	#endif
190		128
191	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
192	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193	#endif	131	#endif
194		132
195	#ifndef POSIX_MADV_NORMAL
196	# define POSIX_MADV_NORMAL 0
197	#endif
198	#ifndef POSIX_MADV_SEQUENTIAL
199	# define POSIX_MADV_SEQUENTIAL 0
200	#endif
201	#ifndef POSIX_MADV_RANDOM
202	# define POSIX_MADV_RANDOM 0
203	#endif
204	#ifndef POSIX_MADV_WILLNEED
205	# define POSIX_MADV_WILLNEED 0
206	#endif
207	#ifndef POSIX_MADV_DONTNEED
208	# define POSIX_MADV_DONTNEED 0
209	#endif
210
211	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
212	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213	#endif
214
215	#ifndef PROT_NONE
216	# define PROT_NONE 0
217	#endif
218	#ifndef PROT_READ
219	# define PROT_READ 0
220	#endif
221	#ifndef PROT_WRITE
222	# define PROT_READ 0
223	#endif
224	#ifndef PROT_EXEC
225	# define PROT_EXEC 0
226	#endif
227
228	#ifndef ST_NODEV
229	# define ST_NODEV 0
230	#endif
231	#ifndef ST_NOEXEC
232	# define ST_NOEXEC 0
233	#endif
234	#ifndef ST_SYNCHRONOUS
235	# define ST_SYNCHRONOUS 0
236	#endif
237	#ifndef ST_MANDLOCK
238	# define ST_MANDLOCK 0
239	#endif
240	#ifndef ST_WRITE
241	# define ST_WRITE 0
242	#endif
243	#ifndef ST_APPEND
244	# define ST_APPEND 0
245	#endif
246	#ifndef ST_IMMUTABLE
247	# define ST_IMMUTABLE 0
248	#endif
249	#ifndef ST_NOATIME
250	# define ST_NOATIME 0
251	#endif
252	#ifndef ST_NODIRATIME
253	# define ST_NODIRATIME 0
254	#endif
255	#ifndef ST_RELATIME
256	# define ST_RELATIME 0
257	#endif
258
259	#ifndef S_IFIFO
260	# define S_IFIFO 0
261	#endif
262	#ifndef S_IFCHR
263	# define S_IFCHR 0
264	#endif
265	#ifndef S_IFBLK
266	# define S_IFBLK 0
267	#endif
268	#ifndef S_IFLNK
269	# define S_IFLNK 0
270	#endif
271	#ifndef S_IFREG
272	# define S_IFREG 0
273	#endif
274	#ifndef S_IFDIR
275	# define S_IFDIR 0
276	#endif
277	#ifndef S_IFWHT
278	# define S_IFWHT 0
279	#endif
280	#ifndef S_IFSOCK
281	# define S_IFSOCK 0
282	#endif	135	#endif
283		136
284	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
285	# ifdef MAP_ANON	138	# ifdef MAP_ANON
286	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
287	# else	140	# else
288	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289	# endif	142	# endif
290	#endif	143	#endif
291	#ifndef MAP_HUGETLB	144
292	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
293	#endif	146	#include "def0.h"
294	#ifndef MAP_LOCKED
295	# define MAP_LOCKED 0
296	#endif
297	#ifndef MAP_NORESERVE
298	# define MAP_NORESERVE 0
299	#endif
300	#ifndef MAP_POPULATE
301	# define MAP_POPULATE 0
302	#endif
303	#ifndef MAP_NONBLOCK
304	# define MAP_NONBLOCK 0
305	#endif
306		147
307	#ifndef makedev	148	#ifndef makedev
308	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
309	#endif	150	#endif
310	#ifndef major	151	#ifndef major
…		…
316		157
317	#ifndef PAGESIZE	158	#ifndef PAGESIZE
318	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
319	#endif	160	#endif
320		161
321	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
322	#define EIO_FINISH(req) req_invoke (req)	163
323	static void req_destroy (eio_req *grp);	164	static void
324	#define EIO_DESTROY(req) req_destroy (req)	165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	int count = req->int3;
		171
		172	/* heuristic: first try with 64 extents if we don't know how many, */
		173	/* as most files have (hopefully) fewer than this many extents */
		174	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
		175	if (count < 0)
		176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		177
		178	for (;;)
		179	{
		180	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		181	errno = ENOMEM;
		182	if (!fiemap)
		183	return;
		184
		185	req->ptr1 = fiemap;
		186	req->flags |= EIO_FLAG_PTR1_FREE;
		187
		188	fiemap->fm_start = req->offs;
		189	fiemap->fm_length = req->size;
		190	fiemap->fm_flags = req->int2;
		191	fiemap->fm_extent_count = count;
		192
		193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		194	return;
		195
		196	if (req->int3 >= 0)
		197	break; /* when not autosizing we are done */
		198
		199	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		200	break; /* autosizing successful, we are done */
		201
		202	fiemap->fm_flags = req->int2;
		203	fiemap->fm_extent_count = 0;
		204
		205	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		206	return;
		207
		208	count = fiemap->fm_mapped_extents;
		209
		210	free (fiemap);
		211	}
		212
		213	req->result = 0;
		214
		215	#else
		216	errno = ENOSYS;
		217	#endif
		218	}
		219
		220	/*****************************************************************************/
325		221
326	enum {	222	enum {
327	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328	};	224	};
329		225
330	#include "libeio/eio.c"
331
332	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
		228	typedef eio_wd aio_wd;
334		229
335	static SV *on_next_submit;	230	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	231	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	232	static int max_outstanding;
338		233
339	static s_epipe respipe;	234	static s_epipe respipe;
340		235
341	static void req_destroy (aio_req req);	236	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	237	static void req_cancel (aio_req req);
343		238
344	static void want_poll (void)	239	static void
		240	want_poll (void)
345	{	241	{
346	/* write a dummy byte to the pipe so fh becomes ready */	242	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	243	s_epipe_signal (&respipe);
348	}	244	}
349		245
350	static void done_poll (void)	246	static void
		247	done_poll (void)
351	{	248	{
352	/* read any signals sent by the worker threads */	249	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	250	s_epipe_drain (&respipe);
354	}	251	}
355		252
356	/* must be called at most once */	253	/* must be called at most once */
		254	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	255	req_sv (aio_req req, HV *stash)
358	{	256	{
359	if (!req->self)	257	if (!req->self)
360	{	258	{
361	req->self = (SV *)newHV ();	259	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	260	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	261	}
364		262
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	263	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	264	}
367		265
368	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)
369	{	274	{
370	MAGIC *mg;	275	MAGIC *mg;
371		276
372	if (!SvROK (sv)	277	if (!SvROK (sv)
		278	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	280	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	282	croak ("object of class IO::AIO::REQ expected");
377		283
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		285
380	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	287	}
382		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
383	static void aio_grp_feed (aio_req grp)	301	aio_grp_feed (aio_req grp)
384	{	302	{
385	if (grp->sv2 && SvOK (grp->sv2))	303	if (grp->sv2 && SvOK (grp->sv2))
386	{	304	{
387	dSP;	305	dSP;
388		306
…		…
396	FREETMPS;	314	FREETMPS;
397	LEAVE;	315	LEAVE;
398	}	316	}
399	}	317	}
400		318
		319	static void
401	static void req_submit (eio_req *req)	320	req_submit (eio_req *req)
402	{	321	{
403	eio_submit (req);	322	eio_submit (req);
404		323
405	if (expect_false (on_next_submit))	324	if (expect_false (on_next_submit))
406	{	325	{
…		…
413	PUTBACK;	332	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	333	call_sv (cb, G_DISCARD | G_EVAL);
415	}	334	}
416	}	335	}
417		336
		337	static int
418	static int req_invoke (eio_req *req)	338	req_invoke (eio_req *req)
419	{	339	{
420	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
422		342
423	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	364	SvREADONLY_on (sv_result);
445	}	365	}
446		366
447	switch (req->type)	367	switch (req->type)
448	{	368	{
		369	case EIO_WD_OPEN:
		370	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		371	break;
		372
449	case EIO_READDIR:	373	case EIO_READDIR:
450	{	374	{
451	SV *rv = &PL_sv_undef;	375	SV *rv = &PL_sv_undef;
452		376
453	if (req->result >= 0)	377	if (req->result >= 0)
…		…
541	case EIO_STATVFS:	465	case EIO_STATVFS:
542	case EIO_FSTATVFS:	466	case EIO_FSTATVFS:
543	{	467	{
544	SV *rv = &PL_sv_undef;	468	SV *rv = &PL_sv_undef;
545		469
		470	#ifndef _WIN32
546	if (req->result >= 0)	471	if (req->result >= 0)
547	{	472	{
548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549	HV *hv = newHV ();	474	HV *hv = newHV ();
550		475
…		…
560	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);
561	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);
562	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);
563	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);
564	}	489	}
		490	#endif
565		491
566	PUSHs (rv);	492	PUSHs (rv);
567	}	493	}
568		494
569	break;	495	break;
…		…
593	break;	519	break;
594		520
595	case EIO_STAT:	521	case EIO_STAT:
596	case EIO_LSTAT:	522	case EIO_LSTAT:
597	case EIO_FSTAT:	523	case EIO_FSTAT:
598	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	524	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		525
599	PL_laststatval = req->result;	526	if (!(PL_laststatval = req->result))
		527	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
600	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	528	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		529
601	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)));
602	break;	535	break;
603		536
604	case EIO_READ:	537	case EIO_READ:
605	{	538	{
606	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));
…		…
609	SvSETMAGIC (req->sv2);	542	SvSETMAGIC (req->sv2);
610	PUSHs (sv_result);	543	PUSHs (sv_result);
611	}	544	}
612	break;	545	break;
613		546
		547	case EIO_CUSTOM:
		548	if (req->feed == fiemap)
		549	{
		550	#if HAVE_FIEMAP
		551	if (!req->result)
		552	{
		553	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		554
		555	if (fiemap->fm_extent_count)
		556	{
		557	AV *av = newAV ();
		558	int i;
		559
		560	while (fiemap->fm_mapped_extents)
		561	{
		562	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		563	AV *ext_av = newAV ();
		564
		565	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		566	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		567	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		568	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		569
		570	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		571	}
		572
		573	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		574	}
		575	else
		576	{
		577	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		578	PUSHs (sv_result);
		579	}
		580	}
		581	#endif
		582	}
		583	else
		584	PUSHs (sv_result);
		585	break;
		586
614	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	587	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615	if (req->result > 0)	588	if (req->result > 0)
616	SvIV_set (sv_result, 0);	589	SvIV_set (sv_result, 0);
617	/* FALLTHROUGH */	590	/* FALLTHROUGH */
618		591
…		…
639	}	612	}
640		613
641	return !!SvTRUE (ERRSV);	614	return !!SvTRUE (ERRSV);
642	}	615	}
643		616
		617	static void
644	static void req_destroy (aio_req req)	618	req_destroy (aio_req req)
645	{	619	{
646	if (req->self)	620	if (req->self)
647	{	621	{
648	sv_unmagic (req->self, PERL_MAGIC_ext);	622	sv_unmagic (req->self, PERL_MAGIC_ext);
649	SvREFCNT_dec (req->self);	623	SvREFCNT_dec (req->self);
650	}	624	}
651		625
652	SvREFCNT_dec (req->sv1);	626	SvREFCNT_dec (req->sv1);
653	SvREFCNT_dec (req->sv2);	627	SvREFCNT_dec (req->sv2);
		628	SvREFCNT_dec (req->sv3);
		629	SvREFCNT_dec (req->sv4);
654	SvREFCNT_dec (req->callback);	630	SvREFCNT_dec (req->callback);
655		631
656	Safefree (req);	632	free (req);
657	}	633	}
658		634
		635	static void
659	static void req_cancel_subs (aio_req grp)	636	req_cancel_subs (aio_req grp)
660	{	637	{
661	aio_req sub;
662
663	if (grp->type != EIO_GROUP)	638	if (grp->type != EIO_GROUP)
664	return;	639	return;
665		640
666	SvREFCNT_dec (grp->sv2);	641	SvREFCNT_dec (grp->sv2);
667	grp->sv2 = 0;	642	grp->sv2 = 0;
668		643
669	eio_grp_cancel (grp);	644	eio_grp_cancel (grp);
670	}	645	}
671		646
672	static void	647	static void ecb_cold
673	create_respipe (void)	648	create_respipe (void)
674	{	649	{
675	if (s_epipe_renew (&respipe))	650	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	651	croak ("IO::AIO: unable to initialize result pipe");
677	}	652	}
678		653
679	static void poll_wait (void)	654	static void
		655	poll_wait (void)
680	{	656	{
681	while (eio_nreqs ())	657	while (eio_nreqs ())
682	{	658	{
683	int size;	659	int size;
684		660
…		…
693		669
694	s_epipe_wait (&respipe);	670	s_epipe_wait (&respipe);
695	}	671	}
696	}	672	}
697		673
698	static int poll_cb (void)	674	static int
		675	poll_cb (void)
699	{	676	{
700	for (;;)	677	for (;;)
701	{	678	{
702	int res = eio_poll ();	679	int res = eio_poll ();
703		680
…		…
709		686
710	poll_wait ();	687	poll_wait ();
711	}	688	}
712	}	689	}
713		690
714	static void atfork_child (void)	691	static void ecb_cold
		692	reinit (void)
715	{	693	{
716	create_respipe ();	694	create_respipe ();
		695
		696	if (eio_init (want_poll, done_poll) < 0)
		697	croak ("IO::AIO: unable to initialise eio library");
717	}	698	}
718		699
719	/*****************************************************************************/	700	/*****************************************************************************/
720		701
721	#if !_POSIX_MAPPED_FILES	702	#if !_POSIX_MAPPED_FILES
722	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	703	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
723	# define munmap(addr,length) (errno = ENOSYS, -1)	704	# define munmap(addr,length) EIO_ENOSYS ()
724	#endif	705	#endif
725		706
726	#if !_POSIX_MEMORY_PROTECTION	707	#if !_POSIX_MEMORY_PROTECTION
727	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	708	# define mprotect(addr,len,prot) EIO_ENOSYS ()
728	# define PROT_NONE 0	709	# define PROT_NONE 0
729	# define PROT_WRITE 0	710	# define PROT_WRITE 0
730	# define MAP_PRIVATE 0	711	# define MAP_PRIVATE 0
731	# define MAP_SHARED 0	712	# define MAP_SHARED 0
732	# define MAP_FIXED 0	713	# define MAP_FIXED 0
733	#endif	714	#endif
734		715
735	#define MMAP_MAGIC PERL_MAGIC_ext	716	#define MMAP_MAGIC PERL_MAGIC_ext
736		717
737	static int	718	static int ecb_cold
738	mmap_free (pTHX_ SV *sv, MAGIC *mg)	719	mmap_free (pTHX_ SV *sv, MAGIC *mg)
739	{	720	{
740	int old_errno = errno;	721	int old_errno = errno;
741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	722	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742	errno = old_errno;	723	errno = old_errno;
…		…
766	{	747	{
767	SvGETMAGIC (cb_sv);	748	SvGETMAGIC (cb_sv);
768	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	749	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
769	}	750	}
770		751
		752	static aio_req ecb_noinline
		753	dreq (SV *callback)
		754	{
		755	SV *cb_cv;
		756	aio_req req;
		757	int req_pri = next_pri;
		758	next_pri = EIO_PRI_DEFAULT;
		759
		760	cb_cv = get_cb (callback);
		761
		762	req = calloc (sizeof (*req), 1);
		763	if (!req)
		764	croak ("out of memory during eio_req allocation");
		765
		766	req->callback = SvREFCNT_inc (cb_cv);
		767	req->pri = req_pri;
		768
		769	return req;
		770	}
		771
771	#define dREQ \	772	#define dREQ \
772	SV *cb_cv; \	773	aio_req req = dreq (callback); \
773	aio_req req; \
774	int req_pri = next_pri; \
775	next_pri = EIO_PRI_DEFAULT; \
776	\
777	cb_cv = get_cb (callback); \
778	\
779	Newz (0, req, 1, eio_req); \
780	if (!req) \
781	croak ("out of memory during eio_req allocation"); \
782	\
783	req->callback = SvREFCNT_inc (cb_cv); \
784	req->pri = req_pri
785		774
786	#define REQ_SEND \	775	#define REQ_SEND \
787	PUTBACK; \	776	PUTBACK; \
788	req_submit (req); \	777	req_submit (req); \
789	SPAGAIN; \	778	SPAGAIN; \
790	\	779	\
791	if (GIMME_V != G_VOID) \	780	if (GIMME_V != G_VOID) \
792	XPUSHs (req_sv (req, aio_req_stash));	781	XPUSHs (req_sv (req, aio_req_stash));
793		782
		783	ecb_inline void
		784	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		785	{
		786	if (expect_false (SvROK (path)))
		787	{
		788	SV *rv = SvRV (path);
		789	SV *wdob;
		790
		791	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		792	{
		793	path = AvARRAY (rv)[1];
		794	wdob = AvARRAY (rv)[0];
		795
		796	if (SvOK (wdob))
		797	{
		798	*wd = SvAIO_WD (wdob);
		799	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		800	}
		801	else
		802	*wd = EIO_INVALID_WD;
		803	}
		804	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		805	{
		806	*wd = (aio_wd)(long)SvIVX (rv);
		807	*wdsv = SvREFCNT_inc_NN (rv);
		808	*ptr = ".";
		809	return; /* path set to "." */
		810	}
		811	else
		812	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		813	}
		814
		815	*pathsv = newSVsv (path);
		816	*ptr = SvPVbyte_nolen (*pathsv);
		817	}
		818
		819	static void ecb_noinline
		820	req_set_path1 (aio_req req, SV *path)
		821	{
		822	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		823	}
		824
		825	static void ecb_noinline
		826	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		827	{
		828	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		829
		830	switch (SvTYPE (rv))
		831	{
		832	case SVt_PVIO:
		833	case SVt_PVLV:
		834	case SVt_PVGV:
		835	req->type = type_fh;
		836	req->sv1 = newSVsv (fh_or_path);
		837	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		838	break;
		839
		840	default:
		841	req->type = type_path;
		842	req_set_path1 (req, fh_or_path);
		843	break;
		844	}
		845	}
		846
		847	XS(boot_IO__AIO) ecb_cold;
		848
794	MODULE = IO::AIO PACKAGE = IO::AIO	849	MODULE = IO::AIO PACKAGE = IO::AIO
795		850
796	PROTOTYPES: ENABLE	851	PROTOTYPES: ENABLE
797		852
798	BOOT:	853	BOOT:
…		…
802	IV iv;	857	IV iv;
803	} *civ, const_iv[] = {	858	} *civ, const_iv[] = {
804	# define const_niv(name, value) { # name, (IV) value },	859	# define const_niv(name, value) { # name, (IV) value },
805	# define const_iv(name) { # name, (IV) name },	860	# define const_iv(name) { # name, (IV) name },
806	# define const_eio(name) { # name, (IV) EIO_ ## name },	861	# define const_eio(name) { # name, (IV) EIO_ ## name },
		862
		863	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		864
		865	const_iv (ENOSYS)
807	const_iv (EXDEV)	866	const_iv (EXDEV)
808	const_iv (ENOSYS)	867	const_iv (EBADR)
		868
809	const_iv (O_RDONLY)	869	const_iv (O_RDONLY)
810	const_iv (O_WRONLY)	870	const_iv (O_WRONLY)
811	const_iv (O_RDWR)	871	const_iv (O_RDWR)
812	const_iv (O_CREAT)	872	const_iv (O_CREAT)
813	const_iv (O_TRUNC)	873	const_iv (O_TRUNC)
…		…
881	const_iv (MAP_LOCKED)	941	const_iv (MAP_LOCKED)
882	const_iv (MAP_NORESERVE)	942	const_iv (MAP_NORESERVE)
883	const_iv (MAP_POPULATE)	943	const_iv (MAP_POPULATE)
884	const_iv (MAP_NONBLOCK)	944	const_iv (MAP_NONBLOCK)
885		945
		946	const_iv (FIEMAP_FLAG_SYNC)
		947	const_iv (FIEMAP_FLAG_XATTR)
		948	const_iv (FIEMAP_FLAGS_COMPAT)
		949	const_iv (FIEMAP_EXTENT_LAST)
		950	const_iv (FIEMAP_EXTENT_UNKNOWN)
		951	const_iv (FIEMAP_EXTENT_DELALLOC)
		952	const_iv (FIEMAP_EXTENT_ENCODED)
		953	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		954	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		955	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		956	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		957	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		958	const_iv (FIEMAP_EXTENT_MERGED)
		959	const_iv (FIEMAP_EXTENT_SHARED)
		960
		961	const_iv (SPLICE_F_MOVE)
		962	const_iv (SPLICE_F_NONBLOCK)
		963	const_iv (SPLICE_F_MORE)
		964	const_iv (SPLICE_F_GIFT)
		965
		966	const_iv (SEEK_DATA)
		967	const_iv (SEEK_HOLE)
		968
		969	/* libeio constants */
		970	const_eio (SEEK_SET)
		971	const_eio (SEEK_CUR)
		972	const_eio (SEEK_END)
		973
886	const_eio (MCL_FUTURE)	974	const_eio (MCL_FUTURE)
887	const_eio (MCL_CURRENT)	975	const_eio (MCL_CURRENT)
888		976
889	const_eio (MS_ASYNC)	977	const_eio (MS_ASYNC)
890	const_eio (MS_INVALIDATE)	978	const_eio (MS_INVALIDATE)
…		…
893	const_eio (MT_MODIFY)	981	const_eio (MT_MODIFY)
894		982
895	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	983	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
896	const_eio (SYNC_FILE_RANGE_WRITE)	984	const_eio (SYNC_FILE_RANGE_WRITE)
897	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	985	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		986
		987	const_eio (FALLOC_FL_KEEP_SIZE)
898		988
899	const_eio (READDIR_DENTS)	989	const_eio (READDIR_DENTS)
900	const_eio (READDIR_DIRS_FIRST)	990	const_eio (READDIR_DIRS_FIRST)
901	const_eio (READDIR_STAT_ORDER)	991	const_eio (READDIR_STAT_ORDER)
902	const_eio (READDIR_FOUND_UNKNOWN)	992	const_eio (READDIR_FOUND_UNKNOWN)
…		…
913	};	1003	};
914		1004
915	aio_stash = gv_stashpv ("IO::AIO" , 1);	1005	aio_stash = gv_stashpv ("IO::AIO" , 1);
916	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1006	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1007	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1008	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918		1009
919	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1010	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1011	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921		1012
922	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1013	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923		1014
924	create_respipe ();	1015	reinit ();
925
926	if (eio_init (want_poll, done_poll) < 0)
927	croak ("IO::AIO: unable to initialise eio library");
928
929	/* atfork child called in fifo order, so before eio's handler */
930	X_THREAD_ATFORK (0, 0, atfork_child);
931	}	1016	}
		1017
		1018	void
		1019	reinit ()
		1020	PROTOTYPE:
932		1021
933	void	1022	void
934	max_poll_reqs (unsigned int nreqs)	1023	max_poll_reqs (unsigned int nreqs)
935	PROTOTYPE: $	1024	PROTOTYPE: $
936	CODE:	1025	CODE:
…		…
971	PROTOTYPE: $	1060	PROTOTYPE: $
972	CODE:	1061	CODE:
973	max_outstanding = maxreqs;	1062	max_outstanding = maxreqs;
974		1063
975	void	1064	void
		1065	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1066	PPCODE:
		1067	{
		1068	dREQ;
		1069
		1070	req->type = EIO_WD_OPEN;
		1071	req_set_path1 (req, pathname);
		1072
		1073	REQ_SEND;
		1074	}
		1075
		1076	void
976	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1077	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
977	PPCODE:	1078	PPCODE:
978	{	1079	{
979	dREQ;	1080	dREQ;
980		1081
981	req->type = EIO_OPEN;	1082	req->type = EIO_OPEN;
982	req->sv1 = newSVsv (pathname);	1083	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984	req->int1 = flags;	1084	req->int1 = flags;
985	req->int2 = mode;	1085	req->int2 = mode;
986		1086
987	REQ_SEND;	1087	REQ_SEND;
988	}	1088	}
…		…
990	void	1090	void
991	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1091	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
992	ALIAS:	1092	ALIAS:
993	aio_fsync = EIO_FSYNC	1093	aio_fsync = EIO_FSYNC
994	aio_fdatasync = EIO_FDATASYNC	1094	aio_fdatasync = EIO_FDATASYNC
		1095	aio_syncfs = EIO_SYNCFS
995	PPCODE:	1096	PPCODE:
996	{	1097	{
997	int fd = s_fileno_croak (fh, 0);	1098	int fd = s_fileno_croak (fh, 0);
998	dREQ;	1099	dREQ;
999		1100
1000	req->type = ix;	1101	req->type = ix;
1001	req->sv1 = newSVsv (fh);	1102	req->sv1 = newSVsv (fh);
1002	req->int1 = fd;	1103	req->int1 = fd;
1003		1104
1004	REQ_SEND (req);	1105	REQ_SEND;
1005	}	1106	}
1006		1107
1007	void	1108	void
1008	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1109	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1009	PPCODE:	1110	PPCODE:
…		…
1016	req->int1 = fd;	1117	req->int1 = fd;
1017	req->offs = offset;	1118	req->offs = offset;
1018	req->size = nbytes;	1119	req->size = nbytes;
1019	req->int2 = flags;	1120	req->int2 = flags;
1020		1121
1021	REQ_SEND (req);	1122	REQ_SEND;
		1123	}
		1124
		1125	void
		1126	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1127	PPCODE:
		1128	{
		1129	int fd = s_fileno_croak (fh, 0);
		1130	dREQ;
		1131
		1132	req->type = EIO_FALLOCATE;
		1133	req->sv1 = newSVsv (fh);
		1134	req->int1 = fd;
		1135	req->int2 = mode;
		1136	req->offs = offset;
		1137	req->size = len;
		1138
		1139	REQ_SEND;
1022	}	1140	}
1023		1141
1024	void	1142	void
1025	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1143	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1026	PPCODE:	1144	PPCODE:
1027	{	1145	{
1028	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1146	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1029	int fd = s_fileno_croak (fh, 0);	1147	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1148	dREQ;
1031		1149
1032	if (close_pipe < 0)	1150	if (expect_false (close_fd < 0))
1033	{	1151	{
1034	int pipefd [2];	1152	int pipefd [2];
1035		1153
		1154	if (
		1155	#ifdef _WIN32
		1156	_pipe (pipefd, 1, _O_BINARY) < 0
		1157	#else
1036	if (pipe (pipefd) < 0	1158	pipe (pipefd) < 0
1037	|| close (pipefd [1]) < 0
1038	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1159	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1160	#endif
		1161	|| close (pipefd [1]) < 0
		1162	)
1039	abort (); /*D*/	1163	abort (); /*D*/
1040		1164
1041	close_pipe = pipefd [0];	1165	close_fd = pipefd [0];
1042	}	1166	}
1043		1167
1044	req->type = EIO_DUP2;	1168	req->type = EIO_DUP2;
1045	req->int1 = close_pipe;	1169	req->int1 = close_fd;
1046	req->sv2 = newSVsv (fh);	1170	req->sv2 = newSVsv (fh);
1047	req->int2 = fd;	1171	req->int2 = fd;
1048		1172
1049	REQ_SEND (req);	1173	REQ_SEND;
		1174	}
		1175
		1176	void
		1177	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1178	PPCODE:
		1179	{
		1180	int fd = s_fileno_croak (fh, 0);
		1181	dREQ;
		1182
		1183	req->type = EIO_SEEK;
		1184	req->sv1 = newSVsv (fh);
		1185	req->int1 = fd;
		1186	req->offs = SvVAL64 (offset);
		1187	req->int2 = whence;
		1188
		1189	REQ_SEND;
1050	}	1190	}
1051		1191
1052	void	1192	void
1053	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1193	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1054	ALIAS:	1194	ALIAS:
…		…
1101	REQ_SEND;	1241	REQ_SEND;
1102	}	1242	}
1103	}	1243	}
1104		1244
1105	void	1245	void
1106	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1246	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1107	ALIAS:	1247	ALIAS:
1108	aio_readlink = EIO_READLINK	1248	aio_readlink = EIO_READLINK
1109	aio_realpath = EIO_REALPATH	1249	aio_realpath = EIO_REALPATH
1110	PPCODE:	1250	PPCODE:
1111	{	1251	{
1112	SV *data;
1113	dREQ;	1252	dREQ;
1114		1253
1115	req->type = ix;	1254	req->type = ix;
1116	req->sv1 = newSVsv (path);	1255	req_set_path1 (req, pathname);
1117	req->ptr1 = SvPVbyte_nolen (req->sv1);
1118		1256
1119	REQ_SEND;	1257	REQ_SEND;
1120	}	1258	}
1121		1259
1122	void	1260	void
…		…
1162	aio_statvfs = EIO_STATVFS	1300	aio_statvfs = EIO_STATVFS
1163	PPCODE:	1301	PPCODE:
1164	{	1302	{
1165	dREQ;	1303	dREQ;
1166		1304
1167	req->sv1 = newSVsv (fh_or_path);	1305	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1168
1169	if (SvPOK (req->sv1))
1170	{
1171	req->type = ix;
1172	req->ptr1 = SvPVbyte_nolen (req->sv1);
1173	}
1174	else
1175	{
1176	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1177	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1178	}
1179		1306
1180	REQ_SEND;	1307	REQ_SEND;
1181	}	1308	}
1182		1309
1183	UV	1310	UV
…		…
1202	{	1329	{
1203	dREQ;	1330	dREQ;
1204		1331
1205	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1332	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1206	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1333	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1207	req->sv1 = newSVsv (fh_or_path);	1334	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1208
1209	if (SvPOK (req->sv1))
1210	{
1211	req->type = EIO_UTIME;
1212	req->ptr1 = SvPVbyte_nolen (req->sv1);
1213	}
1214	else
1215	{
1216	req->type = EIO_FUTIME;
1217	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1218	}
1219		1335
1220	REQ_SEND;	1336	REQ_SEND;
1221	}	1337	}
1222		1338
1223	void	1339	void
1224	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1340	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1225	PPCODE:	1341	PPCODE:
1226	{	1342	{
1227	dREQ;	1343	dREQ;
1228		1344
1229	req->sv1 = newSVsv (fh_or_path);
1230	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1345	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1231		1346	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1232	if (SvPOK (req->sv1))
1233	{
1234	req->type = EIO_TRUNCATE;
1235	req->ptr1 = SvPVbyte_nolen (req->sv1);
1236	}
1237	else
1238	{
1239	req->type = EIO_FTRUNCATE;
1240	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241	}
1242		1347
1243	REQ_SEND;	1348	REQ_SEND;
1244	}	1349	}
1245		1350
1246	void	1351	void
1247	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1352	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1248	ALIAS:
1249	aio_chmod = EIO_CHMOD
1250	aio_mkdir = EIO_MKDIR
1251	PPCODE:	1353	PPCODE:
1252	{	1354	{
1253	dREQ;	1355	dREQ;
1254		1356
1255	req->int2 = mode;	1357	req->int2 = mode;
1256	req->sv1 = newSVsv (fh_or_path);	1358	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1257
1258	if (SvPOK (req->sv1))
1259	{
1260	req->type = ix;
1261	req->ptr1 = SvPVbyte_nolen (req->sv1);
1262	}
1263	else
1264	{
1265	req->type = EIO_FCHMOD;
1266	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1267	}
1268		1359
1269	REQ_SEND;	1360	REQ_SEND;
1270	}	1361	}
1271		1362
1272	void	1363	void
…		…
1275	{	1366	{
1276	dREQ;	1367	dREQ;
1277		1368
1278	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1369	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1279	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1370	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1280	req->sv1 = newSVsv (fh_or_path);	1371	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1281
1282	if (SvPOK (req->sv1))
1283	{
1284	req->type = EIO_CHOWN;
1285	req->ptr1 = SvPVbyte_nolen (req->sv1);
1286	}
1287	else
1288	{
1289	req->type = EIO_FCHOWN;
1290	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1291	}
1292		1372
1293	REQ_SEND;	1373	REQ_SEND;
1294	}	1374	}
1295		1375
1296	void	1376	void
…		…
1298	PPCODE:	1378	PPCODE:
1299	{	1379	{
1300	dREQ;	1380	dREQ;
1301		1381
1302	req->type = EIO_READDIR;	1382	req->type = EIO_READDIR;
1303	req->sv1 = newSVsv (pathname);
1304	req->ptr1 = SvPVbyte_nolen (req->sv1);
1305	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1383	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1306		1384
1307	if (flags & EIO_READDIR_DENTS)	1385	if (flags & EIO_READDIR_DENTS)
1308	req->int1 |= EIO_READDIR_CUSTOM2;	1386	req->int1 |= EIO_READDIR_CUSTOM2;
1309		1387
		1388	req_set_path1 (req, pathname);
		1389
1310	REQ_SEND;	1390	REQ_SEND;
		1391	}
		1392
		1393	void
		1394	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1395	PPCODE:
		1396	{
		1397	dREQ;
		1398
		1399	req->type = EIO_MKDIR;
		1400	req->int2 = mode;
		1401	req_set_path1 (req, pathname);
		1402
		1403	REQ_SEND;
1311	}	1404	}
1312		1405
1313	void	1406	void
1314	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1407	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1315	ALIAS:	1408	ALIAS:
…		…
1319	PPCODE:	1412	PPCODE:
1320	{	1413	{
1321	dREQ;	1414	dREQ;
1322		1415
1323	req->type = ix;	1416	req->type = ix;
1324	req->sv1 = newSVsv (pathname);	1417	req_set_path1 (req, pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326		1418
1327	REQ_SEND;	1419	REQ_SEND;
1328	}	1420	}
1329		1421
1330	void	1422	void
…		…
1333	aio_link = EIO_LINK	1425	aio_link = EIO_LINK
1334	aio_symlink = EIO_SYMLINK	1426	aio_symlink = EIO_SYMLINK
1335	aio_rename = EIO_RENAME	1427	aio_rename = EIO_RENAME
1336	PPCODE:	1428	PPCODE:
1337	{	1429	{
		1430	eio_wd wd2 = 0;
1338	dREQ;	1431	dREQ;
1339		1432
1340	req->type = ix;	1433	req->type = ix;
1341	req->sv1 = newSVsv (oldpath);	1434	req_set_path1 (req, oldpath);
1342	req->ptr1 = SvPVbyte_nolen (req->sv1);	1435	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1343	req->sv2 = newSVsv (newpath);	1436	req->int3 = (long)wd2;
1344	req->ptr2 = SvPVbyte_nolen (req->sv2);
1345		1437
1346	REQ_SEND;	1438	REQ_SEND;
1347	}	1439	}
1348		1440
1349	void	1441	void
…		…
1351	PPCODE:	1443	PPCODE:
1352	{	1444	{
1353	dREQ;	1445	dREQ;
1354		1446
1355	req->type = EIO_MKNOD;	1447	req->type = EIO_MKNOD;
1356	req->sv1 = newSVsv (pathname);
1357	req->ptr1 = SvPVbyte_nolen (req->sv1);
1358	req->int2 = (mode_t)mode;	1448	req->int2 = (mode_t)mode;
1359	req->offs = dev;	1449	req->offs = dev;
		1450	req_set_path1 (req, pathname);
1360		1451
1361	REQ_SEND;	1452	REQ_SEND;
1362	}	1453	}
1363		1454
1364	void	1455	void
…		…
1431		1522
1432	req->type = EIO_MLOCKALL;	1523	req->type = EIO_MLOCKALL;
1433	req->int1 = flags;	1524	req->int1 = flags;
1434		1525
1435	REQ_SEND;	1526	REQ_SEND;
		1527	}
		1528
		1529	void
		1530	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1531	PPCODE:
		1532	{
		1533	int fd = s_fileno_croak (fh, 0);
		1534	dREQ;
		1535
		1536	req->type = EIO_CUSTOM;
		1537	req->sv1 = newSVsv (fh);
		1538	req->int1 = fd;
		1539
		1540	req->feed = fiemap;
		1541	#if HAVE_FIEMAP
		1542	/* keep our fingers crossed that the next two types are 64 bit */
		1543	req->offs = start;
		1544	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1545	req->int2 = flags;
		1546	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1547	#endif
		1548
		1549	REQ_SEND;
1436	}	1550	}
1437		1551
1438	void	1552	void
1439	aio_busy (double delay, SV *callback=&PL_sv_undef)	1553	aio_busy (double delay, SV *callback=&PL_sv_undef)
1440	PPCODE:	1554	PPCODE:
…		…
1564	CODE:	1678	CODE:
1565	RETVAL = posix_fadvise (fh, offset, length, advice);	1679	RETVAL = posix_fadvise (fh, offset, length, advice);
1566	OUTPUT:	1680	OUTPUT:
1567	RETVAL	1681	RETVAL
1568		1682
1569	ssize_t	1683	IV
1570	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1684	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1571	CODE:	1685	CODE:
1572	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1686	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1573	OUTPUT:	1687	OUTPUT:
1574	RETVAL	1688	RETVAL
1575		1689
1576	void	1690	void
1577	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1691	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1578	PPCODE:	1692	PPCODE:
1579	sv_unmagic (scalar, MMAP_MAGIC);	1693	sv_unmagic (scalar, MMAP_MAGIC);
1580	{	1694	{
1581	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1695	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1582	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1696	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1615	ALIAS:	1729	ALIAS:
1616	mprotect = 1	1730	mprotect = 1
1617	CODE:	1731	CODE:
1618	{	1732	{
1619	STRLEN svlen;	1733	STRLEN svlen;
1620	void *addr = SvPVbyte (scalar, svlen);	1734	void *addr = SvPVbyte (scalar, svlen);
1621	size_t len = SvUV (length);	1735	size_t len = SvUV (length);
1622		1736
1623	if (offset < 0)	1737	if (offset < 0)
1624	offset += svlen;	1738	offset += svlen;
1625		1739
…		…
1661	addr = (void *)(((intptr_t)addr) + offset);	1775	addr = (void *)(((intptr_t)addr) + offset);
1662	eio_page_align (&addr, &len);	1776	eio_page_align (&addr, &len);
1663	#if _POSIX_MEMLOCK_RANGE	1777	#if _POSIX_MEMLOCK_RANGE
1664	RETVAL = munlock (addr, len);	1778	RETVAL = munlock (addr, len);
1665	#else	1779	#else
1666	RETVAL = ((errno = ENOSYS), -1);	1780	RETVAL = EIO_ENOSYS ();
1667	#endif	1781	#endif
1668	}	1782	}
1669	OUTPUT:	1783	OUTPUT:
1670	RETVAL	1784	RETVAL
1671		1785
…		…
1673	munlockall ()	1787	munlockall ()
1674	CODE:	1788	CODE:
1675	#if _POSIX_MEMLOCK	1789	#if _POSIX_MEMLOCK
1676	munlockall ();	1790	munlockall ();
1677	#else	1791	#else
1678	RETVAL = -1;	1792	RETVAL = EIO_ENOSYS ();
1679	errno = ENOSYS;
1680	#endif	1793	#endif
1681	OUTPUT:	1794	OUTPUT:
		1795	RETVAL
		1796
		1797	int
		1798	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1799	CODE:
		1800	{
		1801	#if HAVE_LINUX_SPLICE
		1802	loff_t off_in_, off_out_;
		1803	RETVAL = splice (
		1804	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1805	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1806	length, flags
		1807	);
		1808	#else
		1809	RETVAL = EIO_ENOSYS ();
		1810	#endif
		1811	}
		1812	OUTPUT:
		1813	RETVAL
		1814
		1815	int
		1816	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1817	CODE:
		1818	#if HAVE_LINUX_SPLICE
		1819	RETVAL = tee (rfh, wfh, length, flags);
		1820	#else
		1821	RETVAL = EIO_ENOSYS ();
		1822	#endif
		1823	OUTPUT:
1682	RETVAL	1824	RETVAL
1683		1825
1684	void _on_next_submit (SV *cb)	1826	void _on_next_submit (SV *cb)
1685	CODE:	1827	CODE:
1686	SvREFCNT_dec (on_next_submit);	1828	SvREFCNT_dec (on_next_submit);
1687	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1829	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1688		1830
1689	PROTOTYPES: DISABLE	1831	PROTOTYPES: DISABLE
1690		1832
		1833	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1834
		1835	BOOT:
		1836	{
		1837	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1838	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1839	}
		1840
		1841	void
		1842	DESTROY (SV *self)
		1843	CODE:
		1844	{
		1845	aio_wd wd = SvAIO_WD (self);
		1846	#if HAVE_AT
		1847	{
		1848	SV *callback = &PL_sv_undef;
		1849	dREQ; /* clobbers next_pri :/ */
		1850	next_pri = req->pri; /* restore next_pri */
		1851	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1852	req->type = EIO_WD_CLOSE;
		1853	req->wd = wd;
		1854	REQ_SEND;
		1855	}
		1856	#else
		1857	eio_wd_close_sync (wd);
		1858	#endif
		1859	}
		1860
1691	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1861	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1692		1862
1693	void	1863	void
1694	cancel (aio_req_ornot req)	1864	cancel (aio_req_ornot req)
1695	CODE:	1865	CODE:

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