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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.212 by root, Sun Apr 8 00:11:50 2012 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
25	#if !_POSIX_MAPPED_FILES	24	#if __linux__
26	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	25	# include <linux/fs.h>
27	# define munmap(addr,length) (errno = ENOSYS, -1)	26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
28	#endif	31	#endif
29		32
30	/* perl namespace pollution */	33	/* perl namespace pollution */
31	#undef VERSION	34	#undef VERSION
32
33	#ifdef _WIN32
34
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions
40	# undef open
41	# undef read
42	# undef write
43	# undef send
44	# undef recv
45	# undef stat
46	# undef fstat
47	# define lstat stat
48	# undef truncate
49	# undef ftruncate
50	# undef open
51	# undef close
52	# undef unlink
53	# undef rmdir
54	# undef rename
55	# undef lseek
56
57	# define chown(a,b,c) (errno = ENOSYS, -1)
58	# define fchown(a,b,c) (errno = ENOSYS, -1)
59	# define fchmod(a,b) (errno = ENOSYS, -1)
60	# define symlink(a,b) (errno = ENOSYS, -1)
61	# define readlink(a,b,c) (errno = ENOSYS, -1)
62	# define mknod(a,b,c) (errno = ENOSYS, -1)
63	# define truncate(a,b) (errno = ENOSYS, -1)
64	# define ftruncate(fd,o) chsize ((fd), (o))
65	# define fsync(fd) _commit (fd)
66	# define opendir(fd) (errno = ENOSYS, 0)
67	# define readdir(fd) (errno = ENOSYS, -1)
68	# define closedir(fd) (errno = ENOSYS, -1)
69	# define mkdir(a,b) mkdir (a)
70
71	#else
72
73	# include <sys/time.h>
74	# include <sys/select.h>
75	# include <unistd.h>
76	# include <utime.h>
77	# include <signal.h>
78	# define EIO_STRUCT_DIRENT struct dirent
79
80	#endif
81		35
82	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
83	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
84	#undef readdir	38	#undef readdir
85	#undef opendir	39	#undef opendir
86	#undef closedir	40	#undef closedir
87		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
88	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STATI64
89		78
90	/* use NV for 32 bit perls as it allows larger offsets */
91	#if IVSIZE >= 8
92	# define VAL64 IV
93	# define SvVAL64 SvIV
94	# define newSVval64 newSViv
95	#else	79	#else
96	# define VAL64 NV	80
97	# define SvVAL64 SvNV	81	#include <sys/time.h>
98	# 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
99	#endif	89	#endif
100		90
101	/*****************************************************************************/	91	/*****************************************************************************/
102		92
103	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
113		103
114	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
115	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
116	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
117		107
118	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
119		109
120	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
121	SV *callback; \	111	SV *callback; \
122	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
123	STRLEN stroffset; \	114	STRLEN stroffset; \
124	SV *self;	115	SV *self;
125		116
126	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
127		118
		119	#include "libeio/config.h"
128	#include "libeio/eio.h"	120	#include "libeio/eio.h"
129		121
130	#ifndef POSIX_FADV_NORMAL	122	static int req_invoke (eio_req *req);
131	# define POSIX_FADV_NORMAL 0	123	#define EIO_FINISH(req) req_invoke (req)
132	# define NO_FADVISE 1	124	static void req_destroy (eio_req *grp);
133	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
134	#ifndef POSIX_FADV_SEQUENTIAL
135	# define POSIX_FADV_SEQUENTIAL 0
136	#endif
137	#ifndef POSIX_FADV_RANDOM
138	# define POSIX_FADV_RANDOM 0
139	#endif
140	#ifndef POSIX_FADV_NOREUSE
141	# define POSIX_FADV_NOREUSE 0
142	#endif
143	#ifndef POSIX_FADV_WILLNEED
144	# define POSIX_FADV_WILLNEED 0
145	#endif
146	#ifndef POSIX_FADV_DONTNEED
147	# define POSIX_FADV_DONTNEED 0
148	#endif
149		126
150	#ifndef ST_NODEV	127	#include "libeio/eio.c"
151	# define ST_NODEV 0
152	#endif
153	#ifndef ST_NOEXEC
154	# define ST_NOEXEC 0
155	#endif
156	#ifndef ST_SYNCHRONOUS
157	# define ST_SYNCHRONOUS 0
158	#endif
159	#ifndef ST_MANDLOCK
160	# define ST_MANDLOCK 0
161	#endif
162	#ifndef ST_WRITE
163	# define ST_WRITE 0
164	#endif
165	#ifndef ST_APPEND
166	# define ST_APPEND 0
167	#endif
168	#ifndef ST_IMMUTABLE
169	# define ST_IMMUTABLE 0
170	#endif
171	#ifndef ST_NOATIME
172	# define ST_NOATIME 0
173	#endif
174	#ifndef ST_NODIRATIME
175	# define ST_NODIRATIME 0
176	#endif
177	#ifndef ST_RELATIME
178	# define ST_RELATIME 0
179	#endif
180		128
181	#ifndef MCL_CURRENT	129	#if !HAVE_POSIX_FADVISE
182	# define MCL_CURRENT 0	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
183	#endif	131	#endif
184	#ifndef MCL_FUTURE	132
185	# define MCL_FUTURE 0	133	#if !HAVE_POSIX_MADVISE
		134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
186	#endif	135	#endif
187		136
188	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
189	# ifdef MAP_ANON	138	# ifdef MAP_ANON
190	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
191	# else	140	# else
192	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193	# endif	142	# endif
194	#endif	143	#endif
195	#ifndef MAP_HUGETLB	144
196	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
		146	#include "def0.h"
		147
		148	#ifndef makedev
		149	# define makedev(maj,min) (((maj) << 8) | (min))
197	#endif	150	#endif
198	#ifndef MAP_LOCKED	151	#ifndef major
199	# define MAP_LOCKED 0	152	# define major(dev) ((dev) >> 8)
200	#endif	153	#endif
201	#ifndef MAP_NORESERVE	154	#ifndef minor
202	# define MAP_NORESERVE 0	155	# define minor(dev) ((dev) & 0xff)
203	#endif
204	#ifndef MAP_POPULATE
205	# define MAP_POPULATE 0
206	#endif
207	#ifndef MAP_NONBLOCK
208	# define MAP_NONBLOCK 0
209	#endif	156	#endif
210		157
211	#ifndef PAGESIZE	158	#ifndef PAGESIZE
212	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
213	#endif	160	#endif
214		161
215	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
216	#define EIO_FINISH(req) req_invoke (req)	163
217	static void req_destroy (eio_req *grp);	164	static void
218	#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	/*****************************************************************************/
219		221
220	enum {	222	enum {
221	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222	};	224	};
223		225
224	#include "libeio/eio.c"
225
226	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
227	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
		228	typedef eio_wd aio_wd;
228		229
229	static SV *on_next_submit;	230	static SV *on_next_submit;
230	static int next_pri = EIO_PRI_DEFAULT;	231	static int next_pri = EIO_PRI_DEFAULT;
231	static int max_outstanding;	232	static int max_outstanding;
232		233
233	static s_epipe respipe;	234	static s_epipe respipe;
234		235
235	static void req_destroy (aio_req req);	236	static void req_destroy (aio_req req);
236	static void req_cancel (aio_req req);	237	static void req_cancel (aio_req req);
237		238
238	static void want_poll (void)	239	static void
		240	want_poll (void)
239	{	241	{
240	/* write a dummy byte to the pipe so fh becomes ready */	242	/* write a dummy byte to the pipe so fh becomes ready */
241	s_epipe_signal (&respipe);	243	s_epipe_signal (&respipe);
242	}	244	}
243		245
244	static void done_poll (void)	246	static void
		247	done_poll (void)
245	{	248	{
246	/* read any signals sent by the worker threads */	249	/* read any signals sent by the worker threads */
247	s_epipe_drain (&respipe);	250	s_epipe_drain (&respipe);
248	}	251	}
249		252
250	/* must be called at most once */	253	/* must be called at most once */
		254	static SV *
251	static SV *req_sv (aio_req req, HV *stash)	255	req_sv (aio_req req, HV *stash)
252	{	256	{
253	if (!req->self)	257	if (!req->self)
254	{	258	{
255	req->self = (SV *)newHV ();	259	req->self = (SV *)newHV ();
256	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	260	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
257	}	261	}
258		262
259	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	263	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
260	}	264	}
261		265
262	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)
263	{	274	{
264	MAGIC *mg;	275	MAGIC *mg;
265		276
266	if (!SvROK (sv)	277	if (!SvROK (sv)
		278	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
267	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
268	&& SvSTASH (SvRV (sv)) != aio_req_stash	280	&& SvSTASH (SvRV (sv)) != aio_req_stash
269	&& !sv_derived_from (sv, "IO::AIO::REQ")))	281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
270	croak ("object of class IO::AIO::REQ expected");	282	croak ("object of class IO::AIO::REQ expected");
271		283
272	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
273		285
274	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
275	}	287	}
276		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
277	static void aio_grp_feed (aio_req grp)	301	aio_grp_feed (aio_req grp)
278	{	302	{
279	if (grp->sv2 && SvOK (grp->sv2))	303	if (grp->sv2 && SvOK (grp->sv2))
280	{	304	{
281	dSP;	305	dSP;
282		306
…		…
290	FREETMPS;	314	FREETMPS;
291	LEAVE;	315	LEAVE;
292	}	316	}
293	}	317	}
294		318
		319	static void
295	static void req_submit (eio_req *req)	320	req_submit (eio_req *req)
296	{	321	{
297	eio_submit (req);	322	eio_submit (req);
298		323
299	if (expect_false (on_next_submit))	324	if (expect_false (on_next_submit))
300	{	325	{
…		…
307	PUTBACK;	332	PUTBACK;
308	call_sv (cb, G_DISCARD | G_EVAL);	333	call_sv (cb, G_DISCARD | G_EVAL);
309	}	334	}
310	}	335	}
311		336
		337	static int
312	static int req_invoke (eio_req *req)	338	req_invoke (eio_req *req)
313	{	339	{
314	dSP;
315
316	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
317	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
318		342
319	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
320	{	344	{
		345	dSP;
		346	static SV *sv_result_cache; /* caches the result integer SV */
		347	SV *sv_result;
		348
321	ENTER;	349	ENTER;
322	SAVETMPS;	350	SAVETMPS;
323	PUSHMARK (SP);	351	PUSHMARK (SP);
324	EXTEND (SP, 1);	352	EXTEND (SP, 1);
325		353
		354	/* do not recreate the result IV from scratch each time */
		355	if (expect_true (sv_result_cache))
		356	{
		357	sv_result = sv_result_cache; sv_result_cache = 0;
		358	SvIV_set (sv_result, req->result);
		359	SvIOK_only (sv_result);
		360	}
		361	else
		362	{
		363	sv_result = newSViv (req->result);
		364	SvREADONLY_on (sv_result);
		365	}
		366
326	switch (req->type)	367	switch (req->type)
327	{	368	{
		369	case EIO_WD_OPEN:
		370	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		371	break;
		372
328	case EIO_READDIR:	373	case EIO_READDIR:
329	{	374	{
330	SV *rv = &PL_sv_undef;	375	SV *rv = &PL_sv_undef;
331		376
332	if (req->result >= 0)	377	if (req->result >= 0)
…		…
420	case EIO_STATVFS:	465	case EIO_STATVFS:
421	case EIO_FSTATVFS:	466	case EIO_FSTATVFS:
422	{	467	{
423	SV *rv = &PL_sv_undef;	468	SV *rv = &PL_sv_undef;
424		469
		470	#ifndef _WIN32
425	if (req->result >= 0)	471	if (req->result >= 0)
426	{	472	{
427	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428	HV *hv = newHV ();	474	HV *hv = newHV ();
429		475
…		…
439	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);
440	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);
441	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);
442	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);
443	}	489	}
		490	#endif
444		491
445	PUSHs (rv);	492	PUSHs (rv);
446	}	493	}
447		494
448	break;	495	break;
…		…
464	case EIO_NOP:	511	case EIO_NOP:
465	case EIO_BUSY:	512	case EIO_BUSY:
466	break;	513	break;
467		514
468	case EIO_READLINK:	515	case EIO_READLINK:
		516	case EIO_REALPATH:
469	if (req->result > 0)	517	if (req->result > 0)
470	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	518	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471	break;	519	break;
472		520
473	case EIO_STAT:	521	case EIO_STAT:
474	case EIO_LSTAT:	522	case EIO_LSTAT:
475	case EIO_FSTAT:	523	case EIO_FSTAT:
476	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	524	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		525
477	PL_laststatval = req->result;	526	if (!(PL_laststatval = req->result))
		527	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
478	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	528	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479	PUSHs (sv_2mortal (newSViv (req->result)));	529
		530	PUSHs (sv_result);
		531	break;
		532
		533	case EIO_SEEK:
		534	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
480	break;	535	break;
481		536
482	case EIO_READ:	537	case EIO_READ:
483	{	538	{
484	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));
485	*SvEND (req->sv2) = 0;	540	*SvEND (req->sv2) = 0;
486	SvPOK_only (req->sv2);	541	SvPOK_only (req->sv2);
487	SvSETMAGIC (req->sv2);	542	SvSETMAGIC (req->sv2);
488	PUSHs (sv_2mortal (newSViv (req->result)));	543	PUSHs (sv_result);
489	}	544	}
490	break;	545	break;
491		546
492	case EIO_DUP2:	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
		587	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493	if (req->result > 0)	588	if (req->result > 0)
494	req->result = 0;	589	SvIV_set (sv_result, 0);
495	/* FALLTHROUGH */	590	/* FALLTHROUGH */
496		591
497	default:	592	default:
498	PUSHs (sv_2mortal (newSViv (req->result)));	593	PUSHs (sv_result);
499	break;	594	break;
500	}	595	}
501		596
502	errno = req->errorno;	597	errno = req->errorno;
503		598
504	PUTBACK;	599	PUTBACK;
505	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	600	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506	SPAGAIN;	601	SPAGAIN;
507		602
		603	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		604	SvREFCNT_dec (sv_result);
		605	else
		606	sv_result_cache = sv_result;
		607
508	FREETMPS;	608	FREETMPS;
509	LEAVE;	609	LEAVE;
510		610
511	PUTBACK;	611	PUTBACK;
512	}	612	}
513		613
514	return !!SvTRUE (ERRSV);	614	return !!SvTRUE (ERRSV);
515	}	615	}
516		616
		617	static void
517	static void req_destroy (aio_req req)	618	req_destroy (aio_req req)
518	{	619	{
519	if (req->self)	620	if (req->self)
520	{	621	{
521	sv_unmagic (req->self, PERL_MAGIC_ext);	622	sv_unmagic (req->self, PERL_MAGIC_ext);
522	SvREFCNT_dec (req->self);	623	SvREFCNT_dec (req->self);
523	}	624	}
524		625
525	SvREFCNT_dec (req->sv1);	626	SvREFCNT_dec (req->sv1);
526	SvREFCNT_dec (req->sv2);	627	SvREFCNT_dec (req->sv2);
		628	SvREFCNT_dec (req->sv3);
		629	SvREFCNT_dec (req->sv4);
527	SvREFCNT_dec (req->callback);	630	SvREFCNT_dec (req->callback);
528		631
529	Safefree (req);	632	free (req);
530	}	633	}
531		634
		635	static void
532	static void req_cancel_subs (aio_req grp)	636	req_cancel_subs (aio_req grp)
533	{	637	{
534	aio_req sub;
535
536	if (grp->type != EIO_GROUP)	638	if (grp->type != EIO_GROUP)
537	return;	639	return;
538		640
539	SvREFCNT_dec (grp->sv2);	641	SvREFCNT_dec (grp->sv2);
540	grp->sv2 = 0;	642	grp->sv2 = 0;
541		643
542	eio_grp_cancel (grp);	644	eio_grp_cancel (grp);
543	}	645	}
544		646
545	static void	647	static void ecb_cold
546	create_respipe (void)	648	create_respipe (void)
547	{	649	{
548	if (s_epipe_renew (&respipe))	650	if (s_epipe_renew (&respipe))
549	croak ("IO::AIO: unable to initialize result pipe");	651	croak ("IO::AIO: unable to initialize result pipe");
550	}	652	}
551		653
552	static void poll_wait (void)	654	static void
		655	poll_wait (void)
553	{	656	{
554	while (eio_nreqs ())	657	while (eio_nreqs ())
555	{	658	{
556	int size;	659	int size;
557		660
…		…
566		669
567	s_epipe_wait (&respipe);	670	s_epipe_wait (&respipe);
568	}	671	}
569	}	672	}
570		673
571	static int poll_cb (void)	674	static int
		675	poll_cb (void)
572	{	676	{
573	for (;;)	677	for (;;)
574	{	678	{
575	int res = eio_poll ();	679	int res = eio_poll ();
576		680
…		…
582		686
583	poll_wait ();	687	poll_wait ();
584	}	688	}
585	}	689	}
586		690
587	static void atfork_child (void)	691	static void ecb_cold
		692	reinit (void)
588	{	693	{
589	create_respipe ();	694	create_respipe ();
		695
		696	if (eio_init (want_poll, done_poll) < 0)
		697	croak ("IO::AIO: unable to initialise eio library");
590	}	698	}
591		699
592	/*****************************************************************************/	700	/*****************************************************************************/
593		701
		702	#if !_POSIX_MAPPED_FILES
		703	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		704	# define munmap(addr,length) (errno = ENOSYS, -1)
		705	#endif
		706
		707	#if !_POSIX_MEMORY_PROTECTION
		708	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		709	# define PROT_NONE 0
		710	# define PROT_WRITE 0
		711	# define MAP_PRIVATE 0
		712	# define MAP_SHARED 0
		713	# define MAP_FIXED 0
		714	#endif
		715
594	#define MMAP_MAGIC PERL_MAGIC_ext	716	#define MMAP_MAGIC PERL_MAGIC_ext
595		717
596	static int	718	static int ecb_cold
597	mmap_free (pTHX_ SV *sv, MAGIC *mg)	719	mmap_free (pTHX_ SV *sv, MAGIC *mg)
598	{	720	{
599	int old_errno = errno;	721	int old_errno = errno;
600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	722	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601	errno = old_errno;	723	errno = old_errno;
602		724
603	mg->mg_obj = 0; /* just in case */	725	mg->mg_obj = 0; /* just in case */
604		726
605	SvREADONLY_off (sv);	727	SvREADONLY_off (sv);
		728
		729	if (SvPVX (sv) != mg->mg_ptr)
		730	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		731
606	SvCUR_set (sv, 0);	732	SvCUR_set (sv, 0);
607	SvLEN_set (sv, 0);
608	SvPVX (sv) = 0;	733	SvPVX (sv) = 0;
609	SvOK_off (sv);	734	SvOK_off (sv);
610		735
611	return 0;	736	return 0;
612	}	737	}
…		…
622	{	747	{
623	SvGETMAGIC (cb_sv);	748	SvGETMAGIC (cb_sv);
624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	749	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625	}	750	}
626		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
627	#define dREQ \	772	#define dREQ \
628	SV *cb_cv; \	773	aio_req req = dreq (callback); \
629	aio_req req; \
630	int req_pri = next_pri; \
631	next_pri = EIO_PRI_DEFAULT; \
632	\
633	cb_cv = get_cb (callback); \
634	\
635	Newz (0, req, 1, eio_req); \
636	if (!req) \
637	croak ("out of memory during eio_req allocation"); \
638	\
639	req->callback = SvREFCNT_inc (cb_cv); \
640	req->pri = req_pri
641		774
642	#define REQ_SEND \	775	#define REQ_SEND \
643	PUTBACK; \	776	PUTBACK; \
644	req_submit (req); \	777	req_submit (req); \
645	SPAGAIN; \	778	SPAGAIN; \
646	\	779	\
647	if (GIMME_V != G_VOID) \	780	if (GIMME_V != G_VOID) \
648	XPUSHs (req_sv (req, aio_req_stash));	781	XPUSHs (req_sv (req, aio_req_stash));
649		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
650	MODULE = IO::AIO PACKAGE = IO::AIO	849	MODULE = IO::AIO PACKAGE = IO::AIO
651		850
652	PROTOTYPES: ENABLE	851	PROTOTYPES: ENABLE
653		852
654	BOOT:	853	BOOT:
…		…
658	IV iv;	857	IV iv;
659	} *civ, const_iv[] = {	858	} *civ, const_iv[] = {
660	# define const_niv(name, value) { # name, (IV) value },	859	# define const_niv(name, value) { # name, (IV) value },
661	# define const_iv(name) { # name, (IV) name },	860	# define const_iv(name) { # name, (IV) name },
662	# 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)
663	const_iv (EXDEV)	866	const_iv (EXDEV)
664	const_iv (ENOSYS)	867	const_iv (EBADR)
		868
665	const_iv (O_RDONLY)	869	const_iv (O_RDONLY)
666	const_iv (O_WRONLY)	870	const_iv (O_WRONLY)
		871	const_iv (O_RDWR)
667	const_iv (O_CREAT)	872	const_iv (O_CREAT)
668	const_iv (O_TRUNC)	873	const_iv (O_TRUNC)
669	#ifndef _WIN32	874	const_iv (O_EXCL)
		875	const_iv (O_APPEND)
		876
		877	const_iv (O_ASYNC)
		878	const_iv (O_DIRECT)
		879	const_iv (O_NOATIME)
		880
		881	const_iv (O_CLOEXEC)
		882	const_iv (O_NOCTTY)
		883	const_iv (O_NOFOLLOW)
		884	const_iv (O_NONBLOCK)
		885	const_iv (O_EXEC)
		886	const_iv (O_SEARCH)
		887	const_iv (O_DIRECTORY)
		888	const_iv (O_DSYNC)
		889	const_iv (O_RSYNC)
		890	const_iv (O_SYNC)
		891	const_iv (O_TTY_INIT)
		892
670	const_iv (S_IFIFO)	893	const_iv (S_IFIFO)
671	#endif	894	const_iv (S_IFCHR)
		895	const_iv (S_IFBLK)
		896	const_iv (S_IFLNK)
		897	const_iv (S_IFREG)
		898	const_iv (S_IFDIR)
		899	const_iv (S_IFWHT)
		900	const_iv (S_IFSOCK)
		901	const_iv (S_IFMT)
		902
672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	903	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	904	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	905	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	906	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	907	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	908	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		909
		910	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		911	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		912	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		913	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		914	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678		915
679	const_iv (ST_RDONLY)	916	const_iv (ST_RDONLY)
680	const_iv (ST_NOSUID)	917	const_iv (ST_NOSUID)
681	const_iv (ST_NODEV)	918	const_iv (ST_NODEV)
682	const_iv (ST_NOEXEC)	919	const_iv (ST_NOEXEC)
…		…
687	const_iv (ST_IMMUTABLE)	924	const_iv (ST_IMMUTABLE)
688	const_iv (ST_NOATIME)	925	const_iv (ST_NOATIME)
689	const_iv (ST_NODIRATIME)	926	const_iv (ST_NODIRATIME)
690	const_iv (ST_RELATIME)	927	const_iv (ST_RELATIME)
691		928
		929	const_iv (PROT_NONE)
692	const_iv (PROT_EXEC)	930	const_iv (PROT_EXEC)
693	const_iv (PROT_NONE)
694	const_iv (PROT_READ)	931	const_iv (PROT_READ)
695	const_iv (PROT_WRITE)	932	const_iv (PROT_WRITE)
696		933
697	/*const_iv (MAP_FIXED)*/	934	/*const_iv (MAP_FIXED)*/
698	const_iv (MAP_PRIVATE)	935	const_iv (MAP_PRIVATE)
…		…
704	const_iv (MAP_LOCKED)	941	const_iv (MAP_LOCKED)
705	const_iv (MAP_NORESERVE)	942	const_iv (MAP_NORESERVE)
706	const_iv (MAP_POPULATE)	943	const_iv (MAP_POPULATE)
707	const_iv (MAP_NONBLOCK)	944	const_iv (MAP_NONBLOCK)
708		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_eio (SEEK_SET)
		962	const_eio (SEEK_CUR)
		963	const_eio (SEEK_END)
		964
709	const_iv (MCL_FUTURE)	965	const_eio (MCL_FUTURE)
710	const_iv (MCL_CURRENT)	966	const_eio (MCL_CURRENT)
711		967
712	const_eio (MS_ASYNC)	968	const_eio (MS_ASYNC)
713	const_eio (MS_INVALIDATE)	969	const_eio (MS_INVALIDATE)
714	const_eio (MS_SYNC)	970	const_eio (MS_SYNC)
715		971
716	const_eio (MT_MODIFY)	972	const_eio (MT_MODIFY)
717		973
718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	974	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719	const_eio (SYNC_FILE_RANGE_WRITE)	975	const_eio (SYNC_FILE_RANGE_WRITE)
720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	976	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		977
		978	const_eio (FALLOC_FL_KEEP_SIZE)
721		979
722	const_eio (READDIR_DENTS)	980	const_eio (READDIR_DENTS)
723	const_eio (READDIR_DIRS_FIRST)	981	const_eio (READDIR_DIRS_FIRST)
724	const_eio (READDIR_STAT_ORDER)	982	const_eio (READDIR_STAT_ORDER)
725	const_eio (READDIR_FOUND_UNKNOWN)	983	const_eio (READDIR_FOUND_UNKNOWN)
…		…
736	};	994	};
737		995
738	aio_stash = gv_stashpv ("IO::AIO" , 1);	996	aio_stash = gv_stashpv ("IO::AIO" , 1);
739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	997	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	998	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		999	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741		1000
742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1001	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
743	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1002	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744		1003
745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1004	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746		1005
747	create_respipe ();	1006	reinit ();
748
749	if (eio_init (want_poll, done_poll) < 0)
750	croak ("IO::AIO: unable to initialise eio library");
751
752	/* atfork child called in fifo order, so before eio's handler */
753	X_THREAD_ATFORK (0, 0, atfork_child);
754	}	1007	}
755		1008
756	void	1009	void
		1010	reinit ()
		1011	PROTOTYPE:
		1012
		1013	void
757	max_poll_reqs (int nreqs)	1014	max_poll_reqs (unsigned int nreqs)
758	PROTOTYPE: $	1015	PROTOTYPE: $
759	CODE:	1016	CODE:
760	eio_set_max_poll_reqs (nreqs);	1017	eio_set_max_poll_reqs (nreqs);
761		1018
762	void	1019	void
…		…
764	PROTOTYPE: $	1021	PROTOTYPE: $
765	CODE:	1022	CODE:
766	eio_set_max_poll_time (nseconds);	1023	eio_set_max_poll_time (nseconds);
767		1024
768	void	1025	void
769	min_parallel (int nthreads)	1026	min_parallel (unsigned int nthreads)
770	PROTOTYPE: $	1027	PROTOTYPE: $
771	CODE:	1028	CODE:
772	eio_set_min_parallel (nthreads);	1029	eio_set_min_parallel (nthreads);
773		1030
774	void	1031	void
775	max_parallel (int nthreads)	1032	max_parallel (unsigned int nthreads)
776	PROTOTYPE: $	1033	PROTOTYPE: $
777	CODE:	1034	CODE:
778	eio_set_max_parallel (nthreads);	1035	eio_set_max_parallel (nthreads);
779		1036
780	void	1037	void
781	max_idle (int nthreads)	1038	max_idle (unsigned int nthreads)
782	PROTOTYPE: $	1039	PROTOTYPE: $
783	CODE:	1040	CODE:
784	eio_set_max_idle (nthreads);	1041	eio_set_max_idle (nthreads);
785		1042
786	void	1043	void
		1044	idle_timeout (unsigned int seconds)
		1045	PROTOTYPE: $
		1046	CODE:
		1047	eio_set_idle_timeout (seconds);
		1048
		1049	void
787	max_outstanding (int maxreqs)	1050	max_outstanding (unsigned int maxreqs)
788	PROTOTYPE: $	1051	PROTOTYPE: $
789	CODE:	1052	CODE:
790	max_outstanding = maxreqs;	1053	max_outstanding = maxreqs;
791		1054
792	void	1055	void
		1056	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1057	PPCODE:
		1058	{
		1059	dREQ;
		1060
		1061	req->type = EIO_WD_OPEN;
		1062	req_set_path1 (req, pathname);
		1063
		1064	REQ_SEND;
		1065	}
		1066
		1067	void
793	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1068	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794	PROTOTYPE: $$$;$
795	PPCODE:	1069	PPCODE:
796	{	1070	{
797	dREQ;	1071	dREQ;
798		1072
799	req->type = EIO_OPEN;	1073	req->type = EIO_OPEN;
800	req->sv1 = newSVsv (pathname);	1074	req_set_path1 (req, pathname);
801	req->ptr1 = SvPVbyte_nolen (req->sv1);
802	req->int1 = flags;	1075	req->int1 = flags;
803	req->int2 = mode;	1076	req->int2 = mode;
804		1077
805	REQ_SEND;	1078	REQ_SEND;
806	}	1079	}
807		1080
808	void	1081	void
809	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1082	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810	PROTOTYPE: $;$
811	ALIAS:	1083	ALIAS:
812	aio_fsync = EIO_FSYNC	1084	aio_fsync = EIO_FSYNC
813	aio_fdatasync = EIO_FDATASYNC	1085	aio_fdatasync = EIO_FDATASYNC
		1086	aio_syncfs = EIO_SYNCFS
814	PPCODE:	1087	PPCODE:
815	{	1088	{
816	int fd = s_fileno_croak (fh, 0);	1089	int fd = s_fileno_croak (fh, 0);
817	dREQ;	1090	dREQ;
818		1091
819	req->type = ix;	1092	req->type = ix;
820	req->sv1 = newSVsv (fh);	1093	req->sv1 = newSVsv (fh);
821	req->int1 = fd;	1094	req->int1 = fd;
822		1095
823	REQ_SEND (req);	1096	REQ_SEND;
824	}	1097	}
825		1098
826	void	1099	void
827	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1100	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828	PROTOTYPE: $$$$;$
829	PPCODE:	1101	PPCODE:
830	{	1102	{
831	int fd = s_fileno_croak (fh, 0);	1103	int fd = s_fileno_croak (fh, 0);
832	dREQ;	1104	dREQ;
833		1105
…		…
836	req->int1 = fd;	1108	req->int1 = fd;
837	req->offs = offset;	1109	req->offs = offset;
838	req->size = nbytes;	1110	req->size = nbytes;
839	req->int2 = flags;	1111	req->int2 = flags;
840		1112
841	REQ_SEND (req);	1113	REQ_SEND;
842	}	1114	}
843		1115
844	void	1116	void
845	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1117	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
846	PROTOTYPE: $;$
847	PPCODE:	1118	PPCODE:
848	{	1119	{
849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850	int fd = s_fileno_croak (fh, 0);	1120	int fd = s_fileno_croak (fh, 0);
851	dREQ;	1121	dREQ;
852		1122
853	if (close_pipe < 0)	1123	req->type = EIO_FALLOCATE;
		1124	req->sv1 = newSVsv (fh);
		1125	req->int1 = fd;
		1126	req->int2 = mode;
		1127	req->offs = offset;
		1128	req->size = len;
		1129
		1130	REQ_SEND;
		1131	}
		1132
		1133	void
		1134	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1135	PPCODE:
		1136	{
		1137	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1138	int fd = s_fileno_croak (fh, 0);
		1139	dREQ;
		1140
		1141	if (expect_false (close_fd < 0))
854	{	1142	{
855	int pipefd [2];	1143	int pipefd [2];
856		1144
		1145	if (
		1146	#ifdef _WIN32
		1147	_pipe (pipefd, 1, _O_BINARY) < 0
		1148	#else
857	if (pipe (pipefd) < 0	1149	pipe (pipefd) < 0
858	|| close (pipefd [1]) < 0
859	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1150	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1151	#endif
		1152	|| close (pipefd [1]) < 0
		1153	)
860	abort (); /*D*/	1154	abort (); /*D*/
861		1155
862	close_pipe = pipefd [0];	1156	close_fd = pipefd [0];
863	}	1157	}
864		1158
865	req->type = EIO_DUP2;	1159	req->type = EIO_DUP2;
866	req->int1 = close_pipe;	1160	req->int1 = close_fd;
867	req->sv2 = newSVsv (fh);	1161	req->sv2 = newSVsv (fh);
868	req->int2 = fd;	1162	req->int2 = fd;
869		1163
870	REQ_SEND (req);	1164	REQ_SEND;
		1165	}
		1166
		1167	void
		1168	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1169	PPCODE:
		1170	{
		1171	int fd = s_fileno_croak (fh, 0);
		1172	dREQ;
		1173
		1174	req->type = EIO_SEEK;
		1175	req->sv1 = newSVsv (fh);
		1176	req->int1 = fd;
		1177	req->offs = SvVAL64 (offset);
		1178	req->int2 = whence;
		1179
		1180	REQ_SEND;
871	}	1181	}
872		1182
873	void	1183	void
874	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1184	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875	ALIAS:	1185	ALIAS:
876	aio_read = EIO_READ	1186	aio_read = EIO_READ
877	aio_write = EIO_WRITE	1187	aio_write = EIO_WRITE
878	PROTOTYPE: $$$$$;$
879	PPCODE:	1188	PPCODE:
880	{	1189	{
881	STRLEN svlen;	1190	STRLEN svlen;
882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1191	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883	char *svptr = SvPVbyte (data, svlen);	1192	char *svptr = SvPVbyte (data, svlen);
…		…
923	REQ_SEND;	1232	REQ_SEND;
924	}	1233	}
925	}	1234	}
926		1235
927	void	1236	void
928	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1237	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
929	PROTOTYPE: $$;$	1238	ALIAS:
		1239	aio_readlink = EIO_READLINK
		1240	aio_realpath = EIO_REALPATH
930	PPCODE:	1241	PPCODE:
931	{	1242	{
932	SV *data;
933	dREQ;	1243	dREQ;
934		1244
935	req->type = EIO_READLINK;	1245	req->type = ix;
936	req->sv1 = newSVsv (path);	1246	req_set_path1 (req, pathname);
937	req->ptr1 = SvPVbyte_nolen (req->sv1);
938		1247
939	REQ_SEND;	1248	REQ_SEND;
940	}	1249	}
941		1250
942	void	1251	void
943	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1252	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944	PROTOTYPE: $$$$;$
945	PPCODE:	1253	PPCODE:
946	{	1254	{
947	int ifd = s_fileno_croak (in_fh , 0);	1255	int ifd = s_fileno_croak (in_fh , 0);
948	int ofd = s_fileno_croak (out_fh, 1);	1256	int ofd = s_fileno_croak (out_fh, 1);
949	dREQ;	1257	dREQ;
…		…
959	REQ_SEND;	1267	REQ_SEND;
960	}	1268	}
961		1269
962	void	1270	void
963	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1271	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964	PROTOTYPE: $$$;$
965	PPCODE:	1272	PPCODE:
966	{	1273	{
967	int fd = s_fileno_croak (fh, 0);	1274	int fd = s_fileno_croak (fh, 0);
968	dREQ;	1275	dREQ;
969		1276
…		…
984	aio_statvfs = EIO_STATVFS	1291	aio_statvfs = EIO_STATVFS
985	PPCODE:	1292	PPCODE:
986	{	1293	{
987	dREQ;	1294	dREQ;
988		1295
989	req->sv1 = newSVsv (fh_or_path);	1296	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991	if (SvPOK (req->sv1))
992	{
993	req->type = ix;
994	req->ptr1 = SvPVbyte_nolen (req->sv1);
995	}
996	else
997	{
998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000	}
1001		1297
1002	REQ_SEND;	1298	REQ_SEND;
1003	}	1299	}
		1300
		1301	UV
		1302	major (UV dev)
		1303	ALIAS:
		1304	minor = 1
		1305	CODE:
		1306	RETVAL = ix ? major (dev) : minor (dev);
		1307	OUTPUT:
		1308	RETVAL
		1309
		1310	UV
		1311	makedev (UV maj, UV min)
		1312	CODE:
		1313	RETVAL = makedev (maj, min);
		1314	OUTPUT:
		1315	RETVAL
1004		1316
1005	void	1317	void
1006	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1318	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007	PPCODE:	1319	PPCODE:
1008	{	1320	{
1009	dREQ;	1321	dREQ;
1010		1322
1011	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1323	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1324	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013	req->sv1 = newSVsv (fh_or_path);	1325	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015	if (SvPOK (req->sv1))
1016	{
1017	req->type = EIO_UTIME;
1018	req->ptr1 = SvPVbyte_nolen (req->sv1);
1019	}
1020	else
1021	{
1022	req->type = EIO_FUTIME;
1023	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024	}
1025		1326
1026	REQ_SEND;	1327	REQ_SEND;
1027	}	1328	}
1028		1329
1029	void	1330	void
1030	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1331	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1031	PPCODE:	1332	PPCODE:
1032	{	1333	{
1033	dREQ;	1334	dREQ;
1034		1335
1035	req->sv1 = newSVsv (fh_or_path);
1036	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1336	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037		1337	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038	if (SvPOK (req->sv1))
1039	{
1040	req->type = EIO_TRUNCATE;
1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
1042	}
1043	else
1044	{
1045	req->type = EIO_FTRUNCATE;
1046	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047	}
1048		1338
1049	REQ_SEND;	1339	REQ_SEND;
1050	}	1340	}
1051		1341
1052	void	1342	void
1053	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1343	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1054	ALIAS:
1055	aio_chmod = EIO_CHMOD
1056	aio_mkdir = EIO_MKDIR
1057	PPCODE:	1344	PPCODE:
1058	{	1345	{
1059	dREQ;	1346	dREQ;
1060		1347
1061	req->int2 = mode;	1348	req->int2 = mode;
1062	req->sv1 = newSVsv (fh_or_path);	1349	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064	if (SvPOK (req->sv1))
1065	{
1066	req->type = ix;
1067	req->ptr1 = SvPVbyte_nolen (req->sv1);
1068	}
1069	else
1070	{
1071	req->type = EIO_FCHMOD;
1072	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073	}
1074		1350
1075	REQ_SEND;	1351	REQ_SEND;
1076	}	1352	}
1077		1353
1078	void	1354	void
…		…
1081	{	1357	{
1082	dREQ;	1358	dREQ;
1083		1359
1084	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1360	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1361	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086	req->sv1 = newSVsv (fh_or_path);	1362	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088	if (SvPOK (req->sv1))
1089	{
1090	req->type = EIO_CHOWN;
1091	req->ptr1 = SvPVbyte_nolen (req->sv1);
1092	}
1093	else
1094	{
1095	req->type = EIO_FCHOWN;
1096	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097	}
1098		1363
1099	REQ_SEND;	1364	REQ_SEND;
1100	}	1365	}
1101		1366
1102	void	1367	void
…		…
1104	PPCODE:	1369	PPCODE:
1105	{	1370	{
1106	dREQ;	1371	dREQ;
1107		1372
1108	req->type = EIO_READDIR;	1373	req->type = EIO_READDIR;
1109	req->sv1 = newSVsv (pathname);
1110	req->ptr1 = SvPVbyte_nolen (req->sv1);
1111	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1374	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112		1375
1113	if (flags & EIO_READDIR_DENTS)	1376	if (flags & EIO_READDIR_DENTS)
1114	req->int1 |= EIO_READDIR_CUSTOM2;	1377	req->int1 |= EIO_READDIR_CUSTOM2;
1115		1378
		1379	req_set_path1 (req, pathname);
		1380
1116	REQ_SEND;	1381	REQ_SEND;
		1382	}
		1383
		1384	void
		1385	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1386	PPCODE:
		1387	{
		1388	dREQ;
		1389
		1390	req->type = EIO_MKDIR;
		1391	req->int2 = mode;
		1392	req_set_path1 (req, pathname);
		1393
		1394	REQ_SEND;
1117	}	1395	}
1118		1396
1119	void	1397	void
1120	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1398	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1121	ALIAS:	1399	ALIAS:
…		…
1125	PPCODE:	1403	PPCODE:
1126	{	1404	{
1127	dREQ;	1405	dREQ;
1128		1406
1129	req->type = ix;	1407	req->type = ix;
1130	req->sv1 = newSVsv (pathname);	1408	req_set_path1 (req, pathname);
1131	req->ptr1 = SvPVbyte_nolen (req->sv1);
1132		1409
1133	REQ_SEND;	1410	REQ_SEND;
1134	}	1411	}
1135		1412
1136	void	1413	void
…		…
1139	aio_link = EIO_LINK	1416	aio_link = EIO_LINK
1140	aio_symlink = EIO_SYMLINK	1417	aio_symlink = EIO_SYMLINK
1141	aio_rename = EIO_RENAME	1418	aio_rename = EIO_RENAME
1142	PPCODE:	1419	PPCODE:
1143	{	1420	{
		1421	eio_wd wd2 = 0;
1144	dREQ;	1422	dREQ;
1145		1423
1146	req->type = ix;	1424	req->type = ix;
1147	req->sv1 = newSVsv (oldpath);	1425	req_set_path1 (req, oldpath);
1148	req->ptr1 = SvPVbyte_nolen (req->sv1);	1426	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149	req->sv2 = newSVsv (newpath);	1427	req->int3 = (long)wd2;
1150	req->ptr2 = SvPVbyte_nolen (req->sv2);
1151		1428
1152	REQ_SEND;	1429	REQ_SEND;
1153	}	1430	}
1154		1431
1155	void	1432	void
…		…
1157	PPCODE:	1434	PPCODE:
1158	{	1435	{
1159	dREQ;	1436	dREQ;
1160		1437
1161	req->type = EIO_MKNOD;	1438	req->type = EIO_MKNOD;
1162	req->sv1 = newSVsv (pathname);
1163	req->ptr1 = SvPVbyte_nolen (req->sv1);
1164	req->int2 = (mode_t)mode;	1439	req->int2 = (mode_t)mode;
1165	req->offs = dev;	1440	req->offs = dev;
		1441	req_set_path1 (req, pathname);
1166		1442
1167	REQ_SEND;	1443	REQ_SEND;
1168	}	1444	}
1169		1445
1170	void	1446	void
1171	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1447	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172	ALIAS:	1448	ALIAS:
1173	aio_mtouch = EIO_MTOUCH	1449	aio_mtouch = EIO_MTOUCH
1174	aio_msync = EIO_MSYNC	1450	aio_msync = EIO_MSYNC
1175	PROTOTYPE: $$$$;$
1176	PPCODE:	1451	PPCODE:
1177	{	1452	{
1178	STRLEN svlen;	1453	STRLEN svlen;
		1454	char *svptr = SvPVbyte (data, svlen);
1179	UV len = SvUV (length);	1455	UV len = SvUV (length);
1180	char *svptr = SvPVbyte (data, svlen);
1181		1456
1182	if (offset < 0)	1457	if (offset < 0)
1183	offset += svlen;	1458	offset += svlen;
1184		1459
1185	if (offset < 0 || offset > svlen)	1460	if (offset < 0 || offset > svlen)
…		…
1190		1465
1191	{	1466	{
1192	dREQ;	1467	dREQ;
1193		1468
1194	req->type = ix;	1469	req->type = ix;
1195	req->size = len;
1196	req->sv2 = SvREFCNT_inc (data);	1470	req->sv2 = SvREFCNT_inc (data);
1197	req->ptr2 = (char *)svptr + offset;	1471	req->ptr2 = (char *)svptr + offset;
		1472	req->size = len;
1198	req->int1 = flags;	1473	req->int1 = flags;
1199		1474
1200	REQ_SEND;	1475	REQ_SEND;
1201	}	1476	}
1202	}	1477	}
1203		1478
1204	void	1479	void
		1480	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1481	PPCODE:
		1482	{
		1483	STRLEN svlen;
		1484	char *svptr = SvPVbyte (data, svlen);
		1485	UV len = SvUV (length);
		1486
		1487	if (offset < 0)
		1488	offset += svlen;
		1489
		1490	if (offset < 0 || offset > svlen)
		1491	croak ("offset outside of scalar");
		1492
		1493	if (!SvOK (length) || len + offset > svlen)
		1494	len = svlen - offset;
		1495
		1496	{
		1497	dREQ;
		1498
		1499	req->type = EIO_MLOCK;
		1500	req->sv2 = SvREFCNT_inc (data);
		1501	req->ptr2 = (char *)svptr + offset;
		1502	req->size = len;
		1503
		1504	REQ_SEND;
		1505	}
		1506	}
		1507
		1508	void
		1509	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1510	PPCODE:
		1511	{
		1512	dREQ;
		1513
		1514	req->type = EIO_MLOCKALL;
		1515	req->int1 = flags;
		1516
		1517	REQ_SEND;
		1518	}
		1519
		1520	void
		1521	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1522	PPCODE:
		1523	{
		1524	int fd = s_fileno_croak (fh, 0);
		1525	dREQ;
		1526
		1527	req->type = EIO_CUSTOM;
		1528	req->sv1 = newSVsv (fh);
		1529	req->int1 = fd;
		1530
		1531	req->feed = fiemap;
		1532	#if HAVE_FIEMAP
		1533	/* keep our fingers crossed that the next two types are 64 bit */
		1534	req->offs = start;
		1535	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1536	req->int2 = flags;
		1537	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1538	#endif
		1539
		1540	REQ_SEND;
		1541	}
		1542
		1543	void
1205	aio_busy (double delay, SV *callback=&PL_sv_undef)	1544	aio_busy (double delay, SV *callback=&PL_sv_undef)
1206	PPCODE:	1545	PPCODE:
1207	{	1546	{
1208	dREQ;	1547	dREQ;
1209		1548
…		…
1213	REQ_SEND;	1552	REQ_SEND;
1214	}	1553	}
1215		1554
1216	void	1555	void
1217	aio_group (SV *callback=&PL_sv_undef)	1556	aio_group (SV *callback=&PL_sv_undef)
1218	PROTOTYPE: ;$
1219	PPCODE:	1557	PPCODE:
1220	{	1558	{
1221	dREQ;	1559	dREQ;
1222		1560
1223	req->type = EIO_GROUP;	1561	req->type = EIO_GROUP;
…		…
1240	REQ_SEND;	1578	REQ_SEND;
1241	}	1579	}
1242		1580
1243	int	1581	int
1244	aioreq_pri (int pri = 0)	1582	aioreq_pri (int pri = 0)
1245	PROTOTYPE: ;$
1246	CODE:	1583	CODE:
1247	RETVAL = next_pri;	1584	RETVAL = next_pri;
1248	if (items > 0)	1585	if (items > 0)
1249	{	1586	{
1250	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1587	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1262	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1599	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263	next_pri = nice;	1600	next_pri = nice;
1264		1601
1265	void	1602	void
1266	flush ()	1603	flush ()
1267	PROTOTYPE:
1268	CODE:	1604	CODE:
1269	while (eio_nreqs ())	1605	while (eio_nreqs ())
1270	{	1606	{
1271	poll_wait ();	1607	poll_wait ();
1272	poll_cb ();	1608	poll_cb ();
1273	}	1609	}
1274		1610
1275	int	1611	int
1276	poll()	1612	poll ()
1277	PROTOTYPE:
1278	CODE:	1613	CODE:
1279	poll_wait ();	1614	poll_wait ();
1280	RETVAL = poll_cb ();	1615	RETVAL = poll_cb ();
1281	OUTPUT:	1616	OUTPUT:
1282	RETVAL	1617	RETVAL
1283		1618
1284	int	1619	int
1285	poll_fileno()	1620	poll_fileno ()
1286	PROTOTYPE:
1287	CODE:	1621	CODE:
1288	RETVAL = s_epipe_fd (&respipe);	1622	RETVAL = s_epipe_fd (&respipe);
1289	OUTPUT:	1623	OUTPUT:
1290	RETVAL	1624	RETVAL
1291		1625
1292	int	1626	int
1293	poll_cb(...)	1627	poll_cb (...)
1294	PROTOTYPE:	1628	PROTOTYPE:
1295	CODE:	1629	CODE:
1296	RETVAL = poll_cb ();	1630	RETVAL = poll_cb ();
1297	OUTPUT:	1631	OUTPUT:
1298	RETVAL	1632	RETVAL
1299		1633
1300	void	1634	void
1301	poll_wait()	1635	poll_wait ()
1302	PROTOTYPE:
1303	CODE:	1636	CODE:
1304	poll_wait ();	1637	poll_wait ();
1305		1638
1306	int	1639	int
1307	nreqs()	1640	nreqs ()
1308	PROTOTYPE:
1309	CODE:	1641	CODE:
1310	RETVAL = eio_nreqs ();	1642	RETVAL = eio_nreqs ();
1311	OUTPUT:	1643	OUTPUT:
1312	RETVAL	1644	RETVAL
1313		1645
1314	int	1646	int
1315	nready()	1647	nready ()
1316	PROTOTYPE:
1317	CODE:	1648	CODE:
1318	RETVAL = eio_nready ();	1649	RETVAL = eio_nready ();
1319	OUTPUT:	1650	OUTPUT:
1320	RETVAL	1651	RETVAL
1321		1652
1322	int	1653	int
1323	npending()	1654	npending ()
1324	PROTOTYPE:
1325	CODE:	1655	CODE:
1326	RETVAL = eio_npending ();	1656	RETVAL = eio_npending ();
1327	OUTPUT:	1657	OUTPUT:
1328	RETVAL	1658	RETVAL
1329		1659
1330	int	1660	int
1331	nthreads()	1661	nthreads ()
1332	PROTOTYPE:
1333	CODE:	1662	CODE:
1334	RETVAL = eio_nthreads ();	1663	RETVAL = eio_nthreads ();
1335	OUTPUT:	1664	OUTPUT:
1336	RETVAL	1665	RETVAL
1337		1666
1338	int	1667	int
1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1668	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340	PROTOTYPE: $$$$
1341	CODE:	1669	CODE:
1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343	RETVAL = posix_fadvise (fh, offset, length, advice);	1670	RETVAL = posix_fadvise (fh, offset, length, advice);
1344	#else
1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346	#endif
1347	OUTPUT:	1671	OUTPUT:
1348	RETVAL	1672	RETVAL
1349		1673
1350	ssize_t	1674	IV
1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1675	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352	PROTOTYPE: $$$$
1353	CODE:	1676	CODE:
1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1677	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355	OUTPUT:	1678	OUTPUT:
1356	RETVAL	1679	RETVAL
1357		1680
1358	void	1681	void
1359	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1682	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360	PROTOTYPE: $$$$$;$
1361	PPCODE:	1683	PPCODE:
1362	sv_unmagic (scalar, MMAP_MAGIC);	1684	sv_unmagic (scalar, MMAP_MAGIC);
1363	{	1685	{
1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1686	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1687	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366	if (addr == (void *)-1)	1688	if (addr == (void *)-1)
1367	XSRETURN_NO;	1689	XSRETURN_NO;
1368		1690
		1691	sv_force_normal (scalar);
		1692
1369	/* we store the length in mg_obj, as namlen is I32 :/ */	1693	/* we store the length in mg_obj, as namlen is I32 :/ */
1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1694	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371	->mg_obj = (SV *)length;	1695	->mg_obj = (SV *)length;
1372		1696
1373	SvUPGRADE (scalar, SVt_PV); /* nop... */	1697	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1698
1374	if (!(prot & PROT_WRITE))	1699	if (!(prot & PROT_WRITE))
1375	SvREADONLY_on (scalar);	1700	SvREADONLY_on (scalar);
		1701
		1702	if (SvLEN (scalar))
		1703	Safefree (SvPVX (scalar));
1376		1704
1377	SvPVX (scalar) = (char *)addr;	1705	SvPVX (scalar) = (char *)addr;
1378	SvCUR_set (scalar, length);	1706	SvCUR_set (scalar, length);
1379	SvLEN_set (scalar, 0);	1707	SvLEN_set (scalar, 0);
1380	SvPOK_only (scalar);	1708	SvPOK_only (scalar);
…		…
1382	XSRETURN_YES;	1710	XSRETURN_YES;
1383	}	1711	}
1384		1712
1385	void	1713	void
1386	munmap (SV *scalar)	1714	munmap (SV *scalar)
1387	PROTOTYPE: $
1388	CODE:	1715	CODE:
1389	sv_unmagic (scalar, MMAP_MAGIC);	1716	sv_unmagic (scalar, MMAP_MAGIC);
1390		1717
1391	int	1718	int
1392	mlockall (int flags)	1719	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393	PROTOTYPE: $	1720	ALIAS:
		1721	mprotect = 1
1394	CODE:	1722	CODE:
		1723	{
		1724	STRLEN svlen;
		1725	void *addr = SvPVbyte (scalar, svlen);
		1726	size_t len = SvUV (length);
		1727
		1728	if (offset < 0)
		1729	offset += svlen;
		1730
		1731	if (offset < 0 || offset > svlen)
		1732	croak ("offset outside of scalar");
		1733
		1734	if (!SvOK (length) || len + offset > svlen)
		1735	len = svlen - offset;
		1736
		1737	addr = (void *)(((intptr_t)addr) + offset);
		1738	eio_page_align (&addr, &len);
		1739
		1740	switch (ix)
		1741	{
		1742	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1743	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1744	}
		1745	}
		1746	OUTPUT:
		1747	RETVAL
		1748
		1749	int
		1750	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1751	CODE:
		1752	{
		1753	STRLEN svlen;
		1754	void *addr = SvPVbyte (scalar, svlen);
		1755	size_t len = SvUV (length);
		1756
		1757	if (offset < 0)
		1758	offset += svlen;
		1759
		1760	if (offset < 0 || offset > svlen)
		1761	croak ("offset outside of scalar");
		1762
		1763	if (!SvOK (length) || len + offset > svlen)
		1764	len = svlen - offset;
		1765
		1766	addr = (void *)(((intptr_t)addr) + offset);
		1767	eio_page_align (&addr, &len);
1395	#if _POSIX_MEMLOCK	1768	#if _POSIX_MEMLOCK_RANGE
1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1769	RETVAL = munlock (addr, len);
1397	extern int mallopt (int, int);
1398	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399	#endif
1400	mlockall (flags);
1401	#else	1770	#else
1402	RETVAL = -1;	1771	RETVAL = ((errno = ENOSYS), -1);
1403	errno = ENOSYS;
1404	#endif	1772	#endif
		1773	}
1405	OUTPUT:	1774	OUTPUT:
1406	RETVAL	1775	RETVAL
1407		1776
1408	int	1777	int
1409	munlockall ()	1778	munlockall ()
1410	PROTOTYPE:
1411	CODE:	1779	CODE:
1412	#if _POSIX_MEMLOCK	1780	#if _POSIX_MEMLOCK
1413	munlockall ();	1781	munlockall ();
1414	#else	1782	#else
1415	RETVAL = -1;	1783	RETVAL = -1;
…		…
1423	SvREFCNT_dec (on_next_submit);	1791	SvREFCNT_dec (on_next_submit);
1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1792	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425		1793
1426	PROTOTYPES: DISABLE	1794	PROTOTYPES: DISABLE
1427		1795
		1796	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1797
		1798	BOOT:
		1799	{
		1800	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1801	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1802	}
		1803
		1804	void
		1805	DESTROY (SV *self)
		1806	CODE:
		1807	{
		1808	aio_wd wd = SvAIO_WD (self);
		1809	#if HAVE_AT
		1810	{
		1811	SV *callback = &PL_sv_undef;
		1812	dREQ; /* clobbers next_pri :/ */
		1813	next_pri = req->pri; /* restore next_pri */
		1814	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1815	req->type = EIO_WD_CLOSE;
		1816	req->wd = wd;
		1817	REQ_SEND;
		1818	}
		1819	#else
		1820	eio_wd_close_sync (wd);
		1821	#endif
		1822	}
		1823
1428	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1824	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429		1825
1430	void	1826	void
1431	cancel (aio_req_ornot req)	1827	cancel (aio_req_ornot req)
1432	CODE:	1828	CODE:

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