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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.164 by root, Tue May 4 21:14:01 2010 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_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
23	#endif	31	#endif
24		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
		119	#include "libeio/config.h"
123	#include "libeio/eio.h"	120	#include "libeio/eio.h"
124		121
125	#ifndef POSIX_FADV_NORMAL	122	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	123	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	124	static void req_destroy (eio_req *grp);
128	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		126
145	#ifndef ST_NODEV	127	#include "libeio/eio.c"
146	# define ST_NODEV 0
147	#endif
148	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0
150	#endif
151	#ifndef ST_SYNCHRONOUS
152	# define ST_SYNCHRONOUS 0
153	#endif
154	#ifndef ST_MANDLOCK
155	# define ST_MANDLOCK 0
156	#endif
157	#ifndef ST_WRITE
158	# define ST_WRITE 0
159	#endif
160	#ifndef ST_APPEND
161	# define ST_APPEND 0
162	#endif
163	#ifndef ST_IMMUTABLE
164	# define ST_IMMUTABLE 0
165	#endif
166	#ifndef ST_NOATIME
167	# define ST_NOATIME 0
168	#endif
169	#ifndef ST_NODIRATIME
170	# define ST_NODIRATIME 0
171	#endif
172	#ifndef ST_RELATIME
173	# define ST_RELATIME 0
174	#endif
175		128
176	#ifndef MCL_CURRENT	129	#if !HAVE_POSIX_FADVISE
177	# define MCL_CURRENT 0	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178	#endif	131	#endif
179	#ifndef MCL_FUTURE	132
180	# define MCL_FUTURE 0	133	#if !HAVE_POSIX_MADVISE
		134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181	#endif	135	#endif
182		136
183	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	138	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
186	# else	140	# else
187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188	# endif	142	# endif
189	#endif	143	#endif
190	#ifndef MAP_HUGETLB	144
191	# 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))
192	#endif	150	#endif
193	#ifndef MAP_LOCKED	151	#ifndef major
194	# define MAP_LOCKED 0	152	# define major(dev) ((dev) >> 8)
195	#endif	153	#endif
196	#ifndef MAP_NORESERVE	154	#ifndef minor
197	# define MAP_NORESERVE 0	155	# define minor(dev) ((dev) & 0xff)
198	#endif
199	#ifndef MAP_POPULATE
200	# define MAP_POPULATE 0
201	#endif
202	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0
204	#endif	156	#endif
205		157
206	#ifndef PAGESIZE	158	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	160	#endif
209		161
210	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
211	#define EIO_FINISH(req) req_invoke (req)	163
212	static void req_destroy (eio_req *grp);	164	static void
213	#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	/*****************************************************************************/
214		221
215	enum {	222	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	224	};
218		225
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
		228	typedef eio_wd aio_wd;
223		229
224	static SV *on_next_submit;	230	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	231	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	232	static int max_outstanding;
227		233
228	static s_epipe respipe;	234	static s_epipe respipe;
229		235
230	static void req_destroy (aio_req req);	236	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	237	static void req_cancel (aio_req req);
232		238
233	static void want_poll (void)	239	static void
		240	want_poll (void)
234	{	241	{
235	/* write a dummy byte to the pipe so fh becomes ready */	242	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	243	s_epipe_signal (&respipe);
237	}	244	}
238		245
239	static void done_poll (void)	246	static void
		247	done_poll (void)
240	{	248	{
241	/* read any signals sent by the worker threads */	249	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	250	s_epipe_drain (&respipe);
243	}	251	}
244		252
245	/* must be called at most once */	253	/* must be called at most once */
		254	static SV *
246	static SV *req_sv (aio_req req, HV *stash)	255	req_sv (aio_req req, HV *stash)
247	{	256	{
248	if (!req->self)	257	if (!req->self)
249	{	258	{
250	req->self = (SV *)newHV ();	259	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	260	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	261	}
253		262
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	263	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	264	}
256		265
257	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)
258	{	274	{
259	MAGIC *mg;	275	MAGIC *mg;
260		276
261	if (!SvROK (sv)	277	if (!SvROK (sv)
		278	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
263	&& SvSTASH (SvRV (sv)) != aio_req_stash	280	&& SvSTASH (SvRV (sv)) != aio_req_stash
264	&& !sv_derived_from (sv, "IO::AIO::REQ")))	281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
265	croak ("object of class IO::AIO::REQ expected");	282	croak ("object of class IO::AIO::REQ expected");
266		283
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		285
269	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	287	}
271		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
272	static void aio_grp_feed (aio_req grp)	301	aio_grp_feed (aio_req grp)
273	{	302	{
274	if (grp->sv2 && SvOK (grp->sv2))	303	if (grp->sv2 && SvOK (grp->sv2))
275	{	304	{
276	dSP;	305	dSP;
277		306
…		…
285	FREETMPS;	314	FREETMPS;
286	LEAVE;	315	LEAVE;
287	}	316	}
288	}	317	}
289		318
		319	static void
290	static void req_submit (eio_req *req)	320	req_submit (eio_req *req)
291	{	321	{
292	eio_submit (req);	322	eio_submit (req);
293		323
294	if (expect_false (on_next_submit))	324	if (expect_false (on_next_submit))
295	{	325	{
…		…
302	PUTBACK;	332	PUTBACK;
303	call_sv (cb, G_DISCARD | G_EVAL);	333	call_sv (cb, G_DISCARD | G_EVAL);
304	}	334	}
305	}	335	}
306		336
		337	static int
307	static int req_invoke (eio_req *req)	338	req_invoke (eio_req *req)
308	{	339	{
309	dSP;
310
311	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
312	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
313		342
314	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
315	{	344	{
		345	dSP;
		346	static SV *sv_result_cache; /* caches the result integer SV */
		347	SV *sv_result;
		348
316	ENTER;	349	ENTER;
317	SAVETMPS;	350	SAVETMPS;
318	PUSHMARK (SP);	351	PUSHMARK (SP);
319	EXTEND (SP, 1);	352	EXTEND (SP, 1);
320		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
321	switch (req->type)	367	switch (req->type)
322	{	368	{
		369	case EIO_WD_OPEN:
		370	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		371	break;
		372
323	case EIO_READDIR:	373	case EIO_READDIR:
324	{	374	{
325	SV *rv = &PL_sv_undef;	375	SV *rv = &PL_sv_undef;
326		376
327	if (req->result >= 0)	377	if (req->result >= 0)
…		…
415	case EIO_STATVFS:	465	case EIO_STATVFS:
416	case EIO_FSTATVFS:	466	case EIO_FSTATVFS:
417	{	467	{
418	SV *rv = &PL_sv_undef;	468	SV *rv = &PL_sv_undef;
419		469
		470	#ifndef _WIN32
420	if (req->result >= 0)	471	if (req->result >= 0)
421	{	472	{
422	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423	HV *hv = newHV ();	474	HV *hv = newHV ();
424		475
…		…
434	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);
435	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);
436	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);
437	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);
438	}	489	}
		490	#endif
439		491
440	PUSHs (rv);	492	PUSHs (rv);
441	}	493	}
442		494
443	break;	495	break;
…		…
459	case EIO_NOP:	511	case EIO_NOP:
460	case EIO_BUSY:	512	case EIO_BUSY:
461	break;	513	break;
462		514
463	case EIO_READLINK:	515	case EIO_READLINK:
		516	case EIO_REALPATH:
464	if (req->result > 0)	517	if (req->result > 0)
465	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	518	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466	break;	519	break;
467		520
468	case EIO_STAT:	521	case EIO_STAT:
469	case EIO_LSTAT:	522	case EIO_LSTAT:
470	case EIO_FSTAT:	523	case EIO_FSTAT:
471	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	524	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		525
472	PL_laststatval = req->result;	526	if (!(PL_laststatval = req->result))
		527	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
473	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	528	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474	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)));
475	break;	535	break;
476		536
477	case EIO_READ:	537	case EIO_READ:
478	{	538	{
479	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));
480	*SvEND (req->sv2) = 0;	540	*SvEND (req->sv2) = 0;
481	SvPOK_only (req->sv2);	541	SvPOK_only (req->sv2);
482	SvSETMAGIC (req->sv2);	542	SvSETMAGIC (req->sv2);
483	PUSHs (sv_2mortal (newSViv (req->result)));	543	PUSHs (sv_result);
484	}	544	}
485	break;	545	break;
486		546
487	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 */
488	if (req->result > 0)	588	if (req->result > 0)
489	req->result = 0;	589	SvIV_set (sv_result, 0);
490	/* FALLTHROUGH */	590	/* FALLTHROUGH */
491		591
492	default:	592	default:
493	PUSHs (sv_2mortal (newSViv (req->result)));	593	PUSHs (sv_result);
494	break;	594	break;
495	}	595	}
496		596
497	errno = req->errorno;	597	errno = req->errorno;
498		598
499	PUTBACK;	599	PUTBACK;
500	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	600	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501	SPAGAIN;	601	SPAGAIN;
502		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
503	FREETMPS;	608	FREETMPS;
504	LEAVE;	609	LEAVE;
505		610
506	PUTBACK;	611	PUTBACK;
507	}	612	}
508		613
509	return !!SvTRUE (ERRSV);	614	return !!SvTRUE (ERRSV);
510	}	615	}
511		616
		617	static void
512	static void req_destroy (aio_req req)	618	req_destroy (aio_req req)
513	{	619	{
514	if (req->self)	620	if (req->self)
515	{	621	{
516	sv_unmagic (req->self, PERL_MAGIC_ext);	622	sv_unmagic (req->self, PERL_MAGIC_ext);
517	SvREFCNT_dec (req->self);	623	SvREFCNT_dec (req->self);
518	}	624	}
519		625
520	SvREFCNT_dec (req->sv1);	626	SvREFCNT_dec (req->sv1);
521	SvREFCNT_dec (req->sv2);	627	SvREFCNT_dec (req->sv2);
		628	SvREFCNT_dec (req->sv3);
		629	SvREFCNT_dec (req->sv4);
522	SvREFCNT_dec (req->callback);	630	SvREFCNT_dec (req->callback);
523		631
524	Safefree (req);	632	free (req);
525	}	633	}
526		634
		635	static void
527	static void req_cancel_subs (aio_req grp)	636	req_cancel_subs (aio_req grp)
528	{	637	{
529	aio_req sub;
530
531	if (grp->type != EIO_GROUP)	638	if (grp->type != EIO_GROUP)
532	return;	639	return;
533		640
534	SvREFCNT_dec (grp->sv2);	641	SvREFCNT_dec (grp->sv2);
535	grp->sv2 = 0;	642	grp->sv2 = 0;
536		643
537	eio_grp_cancel (grp);	644	eio_grp_cancel (grp);
538	}	645	}
539		646
540	static void	647	static void ecb_cold
541	create_respipe (void)	648	create_respipe (void)
542	{	649	{
543	if (s_epipe_renew (&respipe))	650	if (s_epipe_renew (&respipe))
544	croak ("IO::AIO: unable to initialize result pipe");	651	croak ("IO::AIO: unable to initialize result pipe");
545	}	652	}
546		653
547	static void poll_wait (void)	654	static void
		655	poll_wait (void)
548	{	656	{
549	while (eio_nreqs ())	657	while (eio_nreqs ())
550	{	658	{
551	int size;	659	int size;
552		660
…		…
561		669
562	s_epipe_wait (&respipe);	670	s_epipe_wait (&respipe);
563	}	671	}
564	}	672	}
565		673
566	static int poll_cb (void)	674	static int
		675	poll_cb (void)
567	{	676	{
568	for (;;)	677	for (;;)
569	{	678	{
570	int res = eio_poll ();	679	int res = eio_poll ();
571		680
…		…
577		686
578	poll_wait ();	687	poll_wait ();
579	}	688	}
580	}	689	}
581		690
582	static void atfork_child (void)	691	static void ecb_cold
		692	reinit (void)
583	{	693	{
584	create_respipe ();	694	create_respipe ();
		695
		696	if (eio_init (want_poll, done_poll) < 0)
		697	croak ("IO::AIO: unable to initialise eio library");
585	}	698	}
586		699
587	/*****************************************************************************/	700	/*****************************************************************************/
588		701
589	#if !_POSIX_MAPPED_FILES	702	#if !_POSIX_MAPPED_FILES
590	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	703	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
591	# define munmap(addr,length) (errno = ENOSYS, -1)	704	# define munmap(addr,length) EIO_ENOSYS ()
		705	#endif
		706
		707	#if !_POSIX_MEMORY_PROTECTION
		708	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		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
592	#endif	714	#endif
593		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)
667	const_iv (O_RDWR)	871	const_iv (O_RDWR)
668	const_iv (O_CREAT)	872	const_iv (O_CREAT)
669	const_iv (O_TRUNC)	873	const_iv (O_TRUNC)
670	const_iv (O_EXCL)	874	const_iv (O_EXCL)
671	const_iv (O_APPEND)	875	const_iv (O_APPEND)
672	#ifndef _WIN32	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
673	const_iv (S_IFIFO)	893	const_iv (S_IFIFO)
674	#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
675	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	903	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
676	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	904	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
677	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	905	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
678	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	906	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
679	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	907	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
680	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)
681		915
682	const_iv (ST_RDONLY)	916	const_iv (ST_RDONLY)
683	const_iv (ST_NOSUID)	917	const_iv (ST_NOSUID)
684	const_iv (ST_NODEV)	918	const_iv (ST_NODEV)
685	const_iv (ST_NOEXEC)	919	const_iv (ST_NOEXEC)
…		…
690	const_iv (ST_IMMUTABLE)	924	const_iv (ST_IMMUTABLE)
691	const_iv (ST_NOATIME)	925	const_iv (ST_NOATIME)
692	const_iv (ST_NODIRATIME)	926	const_iv (ST_NODIRATIME)
693	const_iv (ST_RELATIME)	927	const_iv (ST_RELATIME)
694		928
		929	const_iv (PROT_NONE)
695	const_iv (PROT_EXEC)	930	const_iv (PROT_EXEC)
696	const_iv (PROT_NONE)
697	const_iv (PROT_READ)	931	const_iv (PROT_READ)
698	const_iv (PROT_WRITE)	932	const_iv (PROT_WRITE)
699		933
700	/*const_iv (MAP_FIXED)*/	934	/*const_iv (MAP_FIXED)*/
701	const_iv (MAP_PRIVATE)	935	const_iv (MAP_PRIVATE)
…		…
707	const_iv (MAP_LOCKED)	941	const_iv (MAP_LOCKED)
708	const_iv (MAP_NORESERVE)	942	const_iv (MAP_NORESERVE)
709	const_iv (MAP_POPULATE)	943	const_iv (MAP_POPULATE)
710	const_iv (MAP_NONBLOCK)	944	const_iv (MAP_NONBLOCK)
711		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
712	const_iv (MCL_FUTURE)	974	const_eio (MCL_FUTURE)
713	const_iv (MCL_CURRENT)	975	const_eio (MCL_CURRENT)
714		976
715	const_eio (MS_ASYNC)	977	const_eio (MS_ASYNC)
716	const_eio (MS_INVALIDATE)	978	const_eio (MS_INVALIDATE)
717	const_eio (MS_SYNC)	979	const_eio (MS_SYNC)
718		980
719	const_eio (MT_MODIFY)	981	const_eio (MT_MODIFY)
720		982
721	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	983	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
722	const_eio (SYNC_FILE_RANGE_WRITE)	984	const_eio (SYNC_FILE_RANGE_WRITE)
723	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	985	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		986
		987	const_eio (FALLOC_FL_KEEP_SIZE)
724		988
725	const_eio (READDIR_DENTS)	989	const_eio (READDIR_DENTS)
726	const_eio (READDIR_DIRS_FIRST)	990	const_eio (READDIR_DIRS_FIRST)
727	const_eio (READDIR_STAT_ORDER)	991	const_eio (READDIR_STAT_ORDER)
728	const_eio (READDIR_FOUND_UNKNOWN)	992	const_eio (READDIR_FOUND_UNKNOWN)
…		…
739	};	1003	};
740		1004
741	aio_stash = gv_stashpv ("IO::AIO" , 1);	1005	aio_stash = gv_stashpv ("IO::AIO" , 1);
742	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1006	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
743	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);
744		1009
745	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--)
746	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1011	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
747		1012
748	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1013	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
749		1014
750	create_respipe ();	1015	reinit ();
751
752	if (eio_init (want_poll, done_poll) < 0)
753	croak ("IO::AIO: unable to initialise eio library");
754
755	/* atfork child called in fifo order, so before eio's handler */
756	X_THREAD_ATFORK (0, 0, atfork_child);
757	}	1016	}
758		1017
759	void	1018	void
		1019	reinit ()
		1020	PROTOTYPE:
		1021
		1022	void
760	max_poll_reqs (int nreqs)	1023	max_poll_reqs (unsigned int nreqs)
761	PROTOTYPE: $	1024	PROTOTYPE: $
762	CODE:	1025	CODE:
763	eio_set_max_poll_reqs (nreqs);	1026	eio_set_max_poll_reqs (nreqs);
764		1027
765	void	1028	void
…		…
767	PROTOTYPE: $	1030	PROTOTYPE: $
768	CODE:	1031	CODE:
769	eio_set_max_poll_time (nseconds);	1032	eio_set_max_poll_time (nseconds);
770		1033
771	void	1034	void
772	min_parallel (int nthreads)	1035	min_parallel (unsigned int nthreads)
773	PROTOTYPE: $	1036	PROTOTYPE: $
774	CODE:	1037	CODE:
775	eio_set_min_parallel (nthreads);	1038	eio_set_min_parallel (nthreads);
776		1039
777	void	1040	void
778	max_parallel (int nthreads)	1041	max_parallel (unsigned int nthreads)
779	PROTOTYPE: $	1042	PROTOTYPE: $
780	CODE:	1043	CODE:
781	eio_set_max_parallel (nthreads);	1044	eio_set_max_parallel (nthreads);
782		1045
783	void	1046	void
784	max_idle (int nthreads)	1047	max_idle (unsigned int nthreads)
785	PROTOTYPE: $	1048	PROTOTYPE: $
786	CODE:	1049	CODE:
787	eio_set_max_idle (nthreads);	1050	eio_set_max_idle (nthreads);
788		1051
789	void	1052	void
		1053	idle_timeout (unsigned int seconds)
		1054	PROTOTYPE: $
		1055	CODE:
		1056	eio_set_idle_timeout (seconds);
		1057
		1058	void
790	max_outstanding (int maxreqs)	1059	max_outstanding (unsigned int maxreqs)
791	PROTOTYPE: $	1060	PROTOTYPE: $
792	CODE:	1061	CODE:
793	max_outstanding = maxreqs;	1062	max_outstanding = maxreqs;
794		1063
795	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
796	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)
797	PROTOTYPE: $$$;$
798	PPCODE:	1078	PPCODE:
799	{	1079	{
800	dREQ;	1080	dREQ;
801		1081
802	req->type = EIO_OPEN;	1082	req->type = EIO_OPEN;
803	req->sv1 = newSVsv (pathname);	1083	req_set_path1 (req, pathname);
804	req->ptr1 = SvPVbyte_nolen (req->sv1);
805	req->int1 = flags;	1084	req->int1 = flags;
806	req->int2 = mode;	1085	req->int2 = mode;
807		1086
808	REQ_SEND;	1087	REQ_SEND;
809	}	1088	}
810		1089
811	void	1090	void
812	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1091	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
813	PROTOTYPE: $;$
814	ALIAS:	1092	ALIAS:
815	aio_fsync = EIO_FSYNC	1093	aio_fsync = EIO_FSYNC
816	aio_fdatasync = EIO_FDATASYNC	1094	aio_fdatasync = EIO_FDATASYNC
		1095	aio_syncfs = EIO_SYNCFS
817	PPCODE:	1096	PPCODE:
818	{	1097	{
819	int fd = s_fileno_croak (fh, 0);	1098	int fd = s_fileno_croak (fh, 0);
820	dREQ;	1099	dREQ;
821		1100
822	req->type = ix;	1101	req->type = ix;
823	req->sv1 = newSVsv (fh);	1102	req->sv1 = newSVsv (fh);
824	req->int1 = fd;	1103	req->int1 = fd;
825		1104
826	REQ_SEND (req);	1105	REQ_SEND;
827	}	1106	}
828		1107
829	void	1108	void
830	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1109	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
831	PROTOTYPE: $$$$;$
832	PPCODE:	1110	PPCODE:
833	{	1111	{
834	int fd = s_fileno_croak (fh, 0);	1112	int fd = s_fileno_croak (fh, 0);
835	dREQ;	1113	dREQ;
836		1114
…		…
839	req->int1 = fd;	1117	req->int1 = fd;
840	req->offs = offset;	1118	req->offs = offset;
841	req->size = nbytes;	1119	req->size = nbytes;
842	req->int2 = flags;	1120	req->int2 = flags;
843		1121
844	REQ_SEND (req);	1122	REQ_SEND;
845	}	1123	}
846		1124
847	void	1125	void
848	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1126	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
849	PROTOTYPE: $;$
850	PPCODE:	1127	PPCODE:
851	{	1128	{
852	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
853	int fd = s_fileno_croak (fh, 0);	1129	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1130	dREQ;
855		1131
856	if (close_pipe < 0)	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;
		1140	}
		1141
		1142	void
		1143	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1144	PPCODE:
		1145	{
		1146	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1147	int fd = s_fileno_croak (fh, 0);
		1148	dREQ;
		1149
		1150	if (expect_false (close_fd < 0))
857	{	1151	{
858	int pipefd [2];	1152	int pipefd [2];
859		1153
		1154	if (
		1155	#ifdef _WIN32
		1156	_pipe (pipefd, 1, _O_BINARY) < 0
		1157	#else
860	if (pipe (pipefd) < 0	1158	pipe (pipefd) < 0
861	|| close (pipefd [1]) < 0
862	|| 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	)
863	abort (); /*D*/	1163	abort (); /*D*/
864		1164
865	close_pipe = pipefd [0];	1165	close_fd = pipefd [0];
866	}	1166	}
867		1167
868	req->type = EIO_DUP2;	1168	req->type = EIO_DUP2;
869	req->int1 = close_pipe;	1169	req->int1 = close_fd;
870	req->sv2 = newSVsv (fh);	1170	req->sv2 = newSVsv (fh);
871	req->int2 = fd;	1171	req->int2 = fd;
872		1172
873	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;
874	}	1190	}
875		1191
876	void	1192	void
877	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)
878	ALIAS:	1194	ALIAS:
879	aio_read = EIO_READ	1195	aio_read = EIO_READ
880	aio_write = EIO_WRITE	1196	aio_write = EIO_WRITE
881	PROTOTYPE: $$$$$;$
882	PPCODE:	1197	PPCODE:
883	{	1198	{
884	STRLEN svlen;	1199	STRLEN svlen;
885	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1200	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
886	char *svptr = SvPVbyte (data, svlen);	1201	char *svptr = SvPVbyte (data, svlen);
…		…
926	REQ_SEND;	1241	REQ_SEND;
927	}	1242	}
928	}	1243	}
929		1244
930	void	1245	void
931	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1246	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
932	PROTOTYPE: $$;$	1247	ALIAS:
		1248	aio_readlink = EIO_READLINK
		1249	aio_realpath = EIO_REALPATH
933	PPCODE:	1250	PPCODE:
934	{	1251	{
935	SV *data;
936	dREQ;	1252	dREQ;
937		1253
938	req->type = EIO_READLINK;	1254	req->type = ix;
939	req->sv1 = newSVsv (path);	1255	req_set_path1 (req, pathname);
940	req->ptr1 = SvPVbyte_nolen (req->sv1);
941		1256
942	REQ_SEND;	1257	REQ_SEND;
943	}	1258	}
944		1259
945	void	1260	void
946	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1261	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
947	PROTOTYPE: $$$$;$
948	PPCODE:	1262	PPCODE:
949	{	1263	{
950	int ifd = s_fileno_croak (in_fh , 0);	1264	int ifd = s_fileno_croak (in_fh , 0);
951	int ofd = s_fileno_croak (out_fh, 1);	1265	int ofd = s_fileno_croak (out_fh, 1);
952	dREQ;	1266	dREQ;
…		…
962	REQ_SEND;	1276	REQ_SEND;
963	}	1277	}
964		1278
965	void	1279	void
966	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1280	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
967	PROTOTYPE: $$$;$
968	PPCODE:	1281	PPCODE:
969	{	1282	{
970	int fd = s_fileno_croak (fh, 0);	1283	int fd = s_fileno_croak (fh, 0);
971	dREQ;	1284	dREQ;
972		1285
…		…
987	aio_statvfs = EIO_STATVFS	1300	aio_statvfs = EIO_STATVFS
988	PPCODE:	1301	PPCODE:
989	{	1302	{
990	dREQ;	1303	dREQ;
991		1304
992	req->sv1 = newSVsv (fh_or_path);	1305	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
993
994	if (SvPOK (req->sv1))
995	{
996	req->type = ix;
997	req->ptr1 = SvPVbyte_nolen (req->sv1);
998	}
999	else
1000	{
1001	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1002	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1003	}
1004		1306
1005	REQ_SEND;	1307	REQ_SEND;
1006	}	1308	}
		1309
		1310	UV
		1311	major (UV dev)
		1312	ALIAS:
		1313	minor = 1
		1314	CODE:
		1315	RETVAL = ix ? major (dev) : minor (dev);
		1316	OUTPUT:
		1317	RETVAL
		1318
		1319	UV
		1320	makedev (UV maj, UV min)
		1321	CODE:
		1322	RETVAL = makedev (maj, min);
		1323	OUTPUT:
		1324	RETVAL
1007		1325
1008	void	1326	void
1009	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1327	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1010	PPCODE:	1328	PPCODE:
1011	{	1329	{
1012	dREQ;	1330	dREQ;
1013		1331
1014	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1332	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1015	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1333	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1016	req->sv1 = newSVsv (fh_or_path);	1334	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1017
1018	if (SvPOK (req->sv1))
1019	{
1020	req->type = EIO_UTIME;
1021	req->ptr1 = SvPVbyte_nolen (req->sv1);
1022	}
1023	else
1024	{
1025	req->type = EIO_FUTIME;
1026	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1027	}
1028		1335
1029	REQ_SEND;	1336	REQ_SEND;
1030	}	1337	}
1031		1338
1032	void	1339	void
1033	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)
1034	PPCODE:	1341	PPCODE:
1035	{	1342	{
1036	dREQ;	1343	dREQ;
1037		1344
1038	req->sv1 = newSVsv (fh_or_path);
1039	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1345	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1040		1346	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1041	if (SvPOK (req->sv1))
1042	{
1043	req->type = EIO_TRUNCATE;
1044	req->ptr1 = SvPVbyte_nolen (req->sv1);
1045	}
1046	else
1047	{
1048	req->type = EIO_FTRUNCATE;
1049	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1050	}
1051		1347
1052	REQ_SEND;	1348	REQ_SEND;
1053	}	1349	}
1054		1350
1055	void	1351	void
1056	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)
1057	ALIAS:
1058	aio_chmod = EIO_CHMOD
1059	aio_mkdir = EIO_MKDIR
1060	PPCODE:	1353	PPCODE:
1061	{	1354	{
1062	dREQ;	1355	dREQ;
1063		1356
1064	req->int2 = mode;	1357	req->int2 = mode;
1065	req->sv1 = newSVsv (fh_or_path);	1358	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1066
1067	if (SvPOK (req->sv1))
1068	{
1069	req->type = ix;
1070	req->ptr1 = SvPVbyte_nolen (req->sv1);
1071	}
1072	else
1073	{
1074	req->type = EIO_FCHMOD;
1075	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1076	}
1077		1359
1078	REQ_SEND;	1360	REQ_SEND;
1079	}	1361	}
1080		1362
1081	void	1363	void
…		…
1084	{	1366	{
1085	dREQ;	1367	dREQ;
1086		1368
1087	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1369	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1088	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1370	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1089	req->sv1 = newSVsv (fh_or_path);	1371	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1090
1091	if (SvPOK (req->sv1))
1092	{
1093	req->type = EIO_CHOWN;
1094	req->ptr1 = SvPVbyte_nolen (req->sv1);
1095	}
1096	else
1097	{
1098	req->type = EIO_FCHOWN;
1099	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1100	}
1101		1372
1102	REQ_SEND;	1373	REQ_SEND;
1103	}	1374	}
1104		1375
1105	void	1376	void
…		…
1107	PPCODE:	1378	PPCODE:
1108	{	1379	{
1109	dREQ;	1380	dREQ;
1110		1381
1111	req->type = EIO_READDIR;	1382	req->type = EIO_READDIR;
1112	req->sv1 = newSVsv (pathname);
1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
1114	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1383	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1115		1384
1116	if (flags & EIO_READDIR_DENTS)	1385	if (flags & EIO_READDIR_DENTS)
1117	req->int1 |= EIO_READDIR_CUSTOM2;	1386	req->int1 |= EIO_READDIR_CUSTOM2;
1118		1387
		1388	req_set_path1 (req, pathname);
		1389
1119	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;
1120	}	1404	}
1121		1405
1122	void	1406	void
1123	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1407	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1124	ALIAS:	1408	ALIAS:
…		…
1128	PPCODE:	1412	PPCODE:
1129	{	1413	{
1130	dREQ;	1414	dREQ;
1131		1415
1132	req->type = ix;	1416	req->type = ix;
1133	req->sv1 = newSVsv (pathname);	1417	req_set_path1 (req, pathname);
1134	req->ptr1 = SvPVbyte_nolen (req->sv1);
1135		1418
1136	REQ_SEND;	1419	REQ_SEND;
1137	}	1420	}
1138		1421
1139	void	1422	void
…		…
1142	aio_link = EIO_LINK	1425	aio_link = EIO_LINK
1143	aio_symlink = EIO_SYMLINK	1426	aio_symlink = EIO_SYMLINK
1144	aio_rename = EIO_RENAME	1427	aio_rename = EIO_RENAME
1145	PPCODE:	1428	PPCODE:
1146	{	1429	{
		1430	eio_wd wd2 = 0;
1147	dREQ;	1431	dREQ;
1148		1432
1149	req->type = ix;	1433	req->type = ix;
1150	req->sv1 = newSVsv (oldpath);	1434	req_set_path1 (req, oldpath);
1151	req->ptr1 = SvPVbyte_nolen (req->sv1);	1435	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1152	req->sv2 = newSVsv (newpath);	1436	req->int3 = (long)wd2;
1153	req->ptr2 = SvPVbyte_nolen (req->sv2);
1154		1437
1155	REQ_SEND;	1438	REQ_SEND;
1156	}	1439	}
1157		1440
1158	void	1441	void
…		…
1160	PPCODE:	1443	PPCODE:
1161	{	1444	{
1162	dREQ;	1445	dREQ;
1163		1446
1164	req->type = EIO_MKNOD;	1447	req->type = EIO_MKNOD;
1165	req->sv1 = newSVsv (pathname);
1166	req->ptr1 = SvPVbyte_nolen (req->sv1);
1167	req->int2 = (mode_t)mode;	1448	req->int2 = (mode_t)mode;
1168	req->offs = dev;	1449	req->offs = dev;
		1450	req_set_path1 (req, pathname);
1169		1451
1170	REQ_SEND;	1452	REQ_SEND;
1171	}	1453	}
1172		1454
1173	void	1455	void
1174	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1456	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1175	ALIAS:	1457	ALIAS:
1176	aio_mtouch = EIO_MTOUCH	1458	aio_mtouch = EIO_MTOUCH
1177	aio_msync = EIO_MSYNC	1459	aio_msync = EIO_MSYNC
1178	PROTOTYPE: $$$$;$
1179	PPCODE:	1460	PPCODE:
1180	{	1461	{
1181	STRLEN svlen;	1462	STRLEN svlen;
		1463	char *svptr = SvPVbyte (data, svlen);
1182	UV len = SvUV (length);	1464	UV len = SvUV (length);
1183	char *svptr = SvPVbyte (data, svlen);
1184		1465
1185	if (offset < 0)	1466	if (offset < 0)
1186	offset += svlen;	1467	offset += svlen;
1187		1468
1188	if (offset < 0 || offset > svlen)	1469	if (offset < 0 || offset > svlen)
…		…
1193		1474
1194	{	1475	{
1195	dREQ;	1476	dREQ;
1196		1477
1197	req->type = ix;	1478	req->type = ix;
1198	req->size = len;
1199	req->sv2 = SvREFCNT_inc (data);	1479	req->sv2 = SvREFCNT_inc (data);
1200	req->ptr2 = (char *)svptr + offset;	1480	req->ptr2 = (char *)svptr + offset;
		1481	req->size = len;
1201	req->int1 = flags;	1482	req->int1 = flags;
1202		1483
1203	REQ_SEND;	1484	REQ_SEND;
1204	}	1485	}
1205	}	1486	}
1206		1487
1207	void	1488	void
		1489	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1490	PPCODE:
		1491	{
		1492	STRLEN svlen;
		1493	char *svptr = SvPVbyte (data, svlen);
		1494	UV len = SvUV (length);
		1495
		1496	if (offset < 0)
		1497	offset += svlen;
		1498
		1499	if (offset < 0 || offset > svlen)
		1500	croak ("offset outside of scalar");
		1501
		1502	if (!SvOK (length) || len + offset > svlen)
		1503	len = svlen - offset;
		1504
		1505	{
		1506	dREQ;
		1507
		1508	req->type = EIO_MLOCK;
		1509	req->sv2 = SvREFCNT_inc (data);
		1510	req->ptr2 = (char *)svptr + offset;
		1511	req->size = len;
		1512
		1513	REQ_SEND;
		1514	}
		1515	}
		1516
		1517	void
		1518	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1519	PPCODE:
		1520	{
		1521	dREQ;
		1522
		1523	req->type = EIO_MLOCKALL;
		1524	req->int1 = flags;
		1525
		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;
		1550	}
		1551
		1552	void
1208	aio_busy (double delay, SV *callback=&PL_sv_undef)	1553	aio_busy (double delay, SV *callback=&PL_sv_undef)
1209	PPCODE:	1554	PPCODE:
1210	{	1555	{
1211	dREQ;	1556	dREQ;
1212		1557
…		…
1216	REQ_SEND;	1561	REQ_SEND;
1217	}	1562	}
1218		1563
1219	void	1564	void
1220	aio_group (SV *callback=&PL_sv_undef)	1565	aio_group (SV *callback=&PL_sv_undef)
1221	PROTOTYPE: ;$
1222	PPCODE:	1566	PPCODE:
1223	{	1567	{
1224	dREQ;	1568	dREQ;
1225		1569
1226	req->type = EIO_GROUP;	1570	req->type = EIO_GROUP;
…		…
1243	REQ_SEND;	1587	REQ_SEND;
1244	}	1588	}
1245		1589
1246	int	1590	int
1247	aioreq_pri (int pri = 0)	1591	aioreq_pri (int pri = 0)
1248	PROTOTYPE: ;$
1249	CODE:	1592	CODE:
1250	RETVAL = next_pri;	1593	RETVAL = next_pri;
1251	if (items > 0)	1594	if (items > 0)
1252	{	1595	{
1253	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1596	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1265	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1608	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1266	next_pri = nice;	1609	next_pri = nice;
1267		1610
1268	void	1611	void
1269	flush ()	1612	flush ()
1270	PROTOTYPE:
1271	CODE:	1613	CODE:
1272	while (eio_nreqs ())	1614	while (eio_nreqs ())
1273	{	1615	{
1274	poll_wait ();	1616	poll_wait ();
1275	poll_cb ();	1617	poll_cb ();
1276	}	1618	}
1277		1619
1278	int	1620	int
1279	poll()	1621	poll ()
1280	PROTOTYPE:
1281	CODE:	1622	CODE:
1282	poll_wait ();	1623	poll_wait ();
1283	RETVAL = poll_cb ();	1624	RETVAL = poll_cb ();
1284	OUTPUT:	1625	OUTPUT:
1285	RETVAL	1626	RETVAL
1286		1627
1287	int	1628	int
1288	poll_fileno()	1629	poll_fileno ()
1289	PROTOTYPE:
1290	CODE:	1630	CODE:
1291	RETVAL = s_epipe_fd (&respipe);	1631	RETVAL = s_epipe_fd (&respipe);
1292	OUTPUT:	1632	OUTPUT:
1293	RETVAL	1633	RETVAL
1294		1634
1295	int	1635	int
1296	poll_cb(...)	1636	poll_cb (...)
1297	PROTOTYPE:	1637	PROTOTYPE:
1298	CODE:	1638	CODE:
1299	RETVAL = poll_cb ();	1639	RETVAL = poll_cb ();
1300	OUTPUT:	1640	OUTPUT:
1301	RETVAL	1641	RETVAL
1302		1642
1303	void	1643	void
1304	poll_wait()	1644	poll_wait ()
1305	PROTOTYPE:
1306	CODE:	1645	CODE:
1307	poll_wait ();	1646	poll_wait ();
1308		1647
1309	int	1648	int
1310	nreqs()	1649	nreqs ()
1311	PROTOTYPE:
1312	CODE:	1650	CODE:
1313	RETVAL = eio_nreqs ();	1651	RETVAL = eio_nreqs ();
1314	OUTPUT:	1652	OUTPUT:
1315	RETVAL	1653	RETVAL
1316		1654
1317	int	1655	int
1318	nready()	1656	nready ()
1319	PROTOTYPE:
1320	CODE:	1657	CODE:
1321	RETVAL = eio_nready ();	1658	RETVAL = eio_nready ();
1322	OUTPUT:	1659	OUTPUT:
1323	RETVAL	1660	RETVAL
1324		1661
1325	int	1662	int
1326	npending()	1663	npending ()
1327	PROTOTYPE:
1328	CODE:	1664	CODE:
1329	RETVAL = eio_npending ();	1665	RETVAL = eio_npending ();
1330	OUTPUT:	1666	OUTPUT:
1331	RETVAL	1667	RETVAL
1332		1668
1333	int	1669	int
1334	nthreads()	1670	nthreads ()
1335	PROTOTYPE:
1336	CODE:	1671	CODE:
1337	RETVAL = eio_nthreads ();	1672	RETVAL = eio_nthreads ();
1338	OUTPUT:	1673	OUTPUT:
1339	RETVAL	1674	RETVAL
1340		1675
1341	int	1676	int
1342	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1677	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1343	PROTOTYPE: $$$$
1344	CODE:	1678	CODE:
1345	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1346	RETVAL = posix_fadvise (fh, offset, length, advice);	1679	RETVAL = posix_fadvise (fh, offset, length, advice);
1347	#else
1348	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1349	#endif
1350	OUTPUT:	1680	OUTPUT:
1351	RETVAL	1681	RETVAL
1352		1682
1353	ssize_t	1683	IV
1354	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1684	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1355	PROTOTYPE: $$$$
1356	CODE:	1685	CODE:
1357	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1686	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1358	OUTPUT:	1687	OUTPUT:
1359	RETVAL	1688	RETVAL
1360		1689
1361	void	1690	void
1362	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1691	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1363	PROTOTYPE: $$$$$;$
1364	PPCODE:	1692	PPCODE:
1365	sv_unmagic (scalar, MMAP_MAGIC);	1693	sv_unmagic (scalar, MMAP_MAGIC);
1366	{	1694	{
1367	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;
1368	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1696	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369	if (addr == (void *)-1)	1697	if (addr == (void *)-1)
1370	XSRETURN_NO;	1698	XSRETURN_NO;
1371		1699
		1700	sv_force_normal (scalar);
		1701
1372	/* we store the length in mg_obj, as namlen is I32 :/ */	1702	/* we store the length in mg_obj, as namlen is I32 :/ */
1373	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1703	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374	->mg_obj = (SV *)length;	1704	->mg_obj = (SV *)length;
1375		1705
1376	SvUPGRADE (scalar, SVt_PV); /* nop... */	1706	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1707
1377	if (!(prot & PROT_WRITE))	1708	if (!(prot & PROT_WRITE))
1378	SvREADONLY_on (scalar);	1709	SvREADONLY_on (scalar);
		1710
		1711	if (SvLEN (scalar))
		1712	Safefree (SvPVX (scalar));
1379		1713
1380	SvPVX (scalar) = (char *)addr;	1714	SvPVX (scalar) = (char *)addr;
1381	SvCUR_set (scalar, length);	1715	SvCUR_set (scalar, length);
1382	SvLEN_set (scalar, 0);	1716	SvLEN_set (scalar, 0);
1383	SvPOK_only (scalar);	1717	SvPOK_only (scalar);
…		…
1385	XSRETURN_YES;	1719	XSRETURN_YES;
1386	}	1720	}
1387		1721
1388	void	1722	void
1389	munmap (SV *scalar)	1723	munmap (SV *scalar)
1390	PROTOTYPE: $
1391	CODE:	1724	CODE:
1392	sv_unmagic (scalar, MMAP_MAGIC);	1725	sv_unmagic (scalar, MMAP_MAGIC);
1393		1726
1394	int	1727	int
1395	mlockall (int flags)	1728	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1396	PROTOTYPE: $	1729	ALIAS:
		1730	mprotect = 1
1397	CODE:	1731	CODE:
		1732	{
		1733	STRLEN svlen;
		1734	void *addr = SvPVbyte (scalar, svlen);
		1735	size_t len = SvUV (length);
		1736
		1737	if (offset < 0)
		1738	offset += svlen;
		1739
		1740	if (offset < 0 || offset > svlen)
		1741	croak ("offset outside of scalar");
		1742
		1743	if (!SvOK (length) || len + offset > svlen)
		1744	len = svlen - offset;
		1745
		1746	addr = (void *)(((intptr_t)addr) + offset);
		1747	eio_page_align (&addr, &len);
		1748
		1749	switch (ix)
		1750	{
		1751	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1752	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1753	}
		1754	}
		1755	OUTPUT:
		1756	RETVAL
		1757
		1758	int
		1759	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1760	CODE:
		1761	{
		1762	STRLEN svlen;
		1763	void *addr = SvPVbyte (scalar, svlen);
		1764	size_t len = SvUV (length);
		1765
		1766	if (offset < 0)
		1767	offset += svlen;
		1768
		1769	if (offset < 0 || offset > svlen)
		1770	croak ("offset outside of scalar");
		1771
		1772	if (!SvOK (length) || len + offset > svlen)
		1773	len = svlen - offset;
		1774
		1775	addr = (void *)(((intptr_t)addr) + offset);
		1776	eio_page_align (&addr, &len);
1398	#if _POSIX_MEMLOCK	1777	#if _POSIX_MEMLOCK_RANGE
1399	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1778	RETVAL = munlock (addr, len);
1400	extern int mallopt (int, int);
1401	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402	#endif
1403	mlockall (flags);
1404	#else	1779	#else
1405	RETVAL = -1;	1780	RETVAL = EIO_ENOSYS ();
1406	errno = ENOSYS;
1407	#endif	1781	#endif
		1782	}
1408	OUTPUT:	1783	OUTPUT:
1409	RETVAL	1784	RETVAL
1410		1785
1411	int	1786	int
1412	munlockall ()	1787	munlockall ()
1413	PROTOTYPE:
1414	CODE:	1788	CODE:
1415	#if _POSIX_MEMLOCK	1789	#if _POSIX_MEMLOCK
1416	munlockall ();	1790	munlockall ();
1417	#else	1791	#else
1418	RETVAL = -1;	1792	RETVAL = EIO_ENOSYS ();
1419	errno = ENOSYS;
1420	#endif	1793	#endif
1421	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:
1422	RETVAL	1824	RETVAL
1423		1825
1424	void _on_next_submit (SV *cb)	1826	void _on_next_submit (SV *cb)
1425	CODE:	1827	CODE:
1426	SvREFCNT_dec (on_next_submit);	1828	SvREFCNT_dec (on_next_submit);
1427	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1829	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1428		1830
1429	PROTOTYPES: DISABLE	1831	PROTOTYPES: DISABLE
1430		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
1431	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1861	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1432		1862
1433	void	1863	void
1434	cancel (aio_req_ornot req)	1864	cancel (aio_req_ornot req)
1435	CODE:	1865	CODE:

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