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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC vs.
Revision 1.232 by root, Sat Jun 13 00:06:13 2015 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
		35	#endif
		36
25	/* perl namespace pollution */	37	/* perl namespace pollution */
26	#undef VERSION	38	#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		39
77	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	42	#undef readdir
80	#undef opendir	43	#undef opendir
81	#undef closedir	44	#undef closedir
82		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
84		82
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	83	#else
91	# define VAL64 NV	84
92	# define SvVAL64 SvNV	85	#include <sys/time.h>
93	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
94	#endif	93	#endif
95		94
96	/*****************************************************************************/	95	/*****************************************************************************/
97		96
98	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
108		107
109	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
112		111
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		113
115	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
116	SV *callback; \	115	SV *callback; \
117	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
123	#include "libeio/config.h"	123	#include "libeio/config.h"
124	#include "libeio/eio.h"	124	#include "libeio/eio.h"
125		125
126	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
127	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
128	#endif	128	static void req_destroy (eio_req *grp);
129	#ifndef POSIX_FADV_SEQUENTIAL	129	#define EIO_DESTROY(req) req_destroy (req)
130	# define POSIX_FADV_SEQUENTIAL 0	130
131	#endif	131	#include "libeio/eio.c"
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		132
145	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	135	#endif
148		136
149	#ifndef POSIX_MADV_NORMAL
150	# define POSIX_MADV_NORMAL 0
151	#endif
152	#ifndef POSIX_MADV_SEQUENTIAL
153	# define POSIX_MADV_SEQUENTIAL 0
154	#endif
155	#ifndef POSIX_MADV_RANDOM
156	# define POSIX_MADV_RANDOM 0
157	#endif
158	#ifndef POSIX_MADV_WILLNEED
159	# define POSIX_MADV_WILLNEED 0
160	#endif
161	#ifndef POSIX_MADV_DONTNEED
162	# define POSIX_MADV_DONTNEED 0
163	#endif
164
165	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167	#endif
168
169	#ifndef PROT_NONE
170	# define PROT_NONE 0
171	#endif
172	#ifndef PROT_READ
173	# define PROT_READ 0
174	#endif
175	#ifndef PROT_WRITE
176	# define PROT_READ 0
177	#endif
178	#ifndef PROT_EXEC
179	# define PROT_EXEC 0
180	#endif
181
182	#ifndef ST_NODEV
183	# define ST_NODEV 0
184	#endif
185	#ifndef ST_NOEXEC
186	# define ST_NOEXEC 0
187	#endif
188	#ifndef ST_SYNCHRONOUS
189	# define ST_SYNCHRONOUS 0
190	#endif
191	#ifndef ST_MANDLOCK
192	# define ST_MANDLOCK 0
193	#endif
194	#ifndef ST_WRITE
195	# define ST_WRITE 0
196	#endif
197	#ifndef ST_APPEND
198	# define ST_APPEND 0
199	#endif
200	#ifndef ST_IMMUTABLE
201	# define ST_IMMUTABLE 0
202	#endif
203	#ifndef ST_NOATIME
204	# define ST_NOATIME 0
205	#endif
206	#ifndef ST_NODIRATIME
207	# define ST_NODIRATIME 0
208	#endif
209	#ifndef ST_RELATIME
210	# define ST_RELATIME 0
211	#endif	139	#endif
212		140
213	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
214	# ifdef MAP_ANON	142	# ifdef MAP_ANON
215	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
216	# else	144	# else
217	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218	# endif	146	# endif
219	#endif	147	#endif
220	#ifndef MAP_HUGETLB
221	# define MAP_HUGETLB 0
222	#endif
223	#ifndef MAP_LOCKED
224	# define MAP_LOCKED 0
225	#endif
226	#ifndef MAP_NORESERVE
227	# define MAP_NORESERVE 0
228	#endif
229	#ifndef MAP_POPULATE
230	# define MAP_POPULATE 0
231	#endif
232	#ifndef MAP_NONBLOCK
233	# define MAP_NONBLOCK 0
234	#endif
235		148
236	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	#include "def0.h"
		151
		152	#ifndef makedev
		153	# define makedev(maj,min) (((maj) << 8) | (min))
		154	#endif
		155	#ifndef major
		156	# define major(dev) ((dev) >> 8)
		157	#endif
		158	#ifndef minor
		159	# define minor(dev) ((dev) & 0xff)
		160	#endif
		161
		162	#if PAGESIZE <= 0
237	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
238	#endif	164	#endif
239		165
240	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
241	#define EIO_FINISH(req) req_invoke (req)	167
242	static void req_destroy (eio_req *grp);	168	static void
243	#define EIO_DESTROY(req) req_destroy (req)	169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags |= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	|| !fiemap->fm_mapped_extents /* no more extents */
		203	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap *incmap = (struct fiemap *)scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
244		265
245	enum {	266	enum {
246	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247	};	268	};
248		269
249	#include "libeio/eio.c"
250
251	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
252	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
253		273
254	static SV *on_next_submit;	274	static SV *on_next_submit;
255	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
256	static int max_outstanding;	276	static int max_outstanding;
257		277
258	static s_epipe respipe;	278	static s_epipe respipe;
259		279
260	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
261	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
262		282
263	static void want_poll (void)	283	static void
		284	want_poll (void)
264	{	285	{
265	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
266	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
267	}	288	}
268		289
269	static void done_poll (void)	290	static void
		291	done_poll (void)
270	{	292	{
271	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
272	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
273	}	295	}
274		296
275	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
276	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
277	{	300	{
278	if (!req->self)	301	if (!req->self)
279	{	302	{
280	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282	}	305	}
283		306
284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285	}	308	}
286		309
287	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
288	{	318	{
289	MAGIC *mg;	319	MAGIC *mg;
290		320
291	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
293	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
294	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
295	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
296		327
297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298		329
299	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
300	}	331	}
301		332
		333	static aio_wd
		334	SvAIO_WD (SV *sv)
		335	{
		336	if (!SvROK (sv)
		337	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		338	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		340
		341	return (aio_wd)(long)SvIVX (SvRV (sv));
		342	}
		343
		344	static void
302	static void aio_grp_feed (aio_req grp)	345	aio_grp_feed (aio_req grp)
303	{	346	{
304	if (grp->sv2 && SvOK (grp->sv2))	347	if (grp->sv2 && SvOK (grp->sv2))
305	{	348	{
306	dSP;	349	dSP;
307		350
…		…
315	FREETMPS;	358	FREETMPS;
316	LEAVE;	359	LEAVE;
317	}	360	}
318	}	361	}
319		362
		363	static void
320	static void req_submit (eio_req *req)	364	req_submit (eio_req *req)
321	{	365	{
322	eio_submit (req);	366	eio_submit (req);
323		367
324	if (expect_false (on_next_submit))	368	if (expect_false (on_next_submit))
325	{	369	{
…		…
332	PUTBACK;	376	PUTBACK;
333	call_sv (cb, G_DISCARD | G_EVAL);	377	call_sv (cb, G_DISCARD | G_EVAL);
334	}	378	}
335	}	379	}
336		380
		381	static int
337	static int req_invoke (eio_req *req)	382	req_invoke (eio_req *req)
338	{	383	{
339	if (req->flags & FLAG_SV2_RO_OFF)	384	if (req->flags & FLAG_SV2_RO_OFF)
340	SvREADONLY_off (req->sv2);	385	SvREADONLY_off (req->sv2);
341		386
342	if (!EIO_CANCELLED (req) && req->callback)	387	if (!EIO_CANCELLED (req) && req->callback)
…		…
363	SvREADONLY_on (sv_result);	408	SvREADONLY_on (sv_result);
364	}	409	}
365		410
366	switch (req->type)	411	switch (req->type)
367	{	412	{
		413	case EIO_WD_OPEN:
		414	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		415	break;
		416
368	case EIO_READDIR:	417	case EIO_READDIR:
369	{	418	{
370	SV *rv = &PL_sv_undef;	419	SV *rv = &PL_sv_undef;
371		420
372	if (req->result >= 0)	421	if (req->result >= 0)
…		…
460	case EIO_STATVFS:	509	case EIO_STATVFS:
461	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
462	{	511	{
463	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
464		513
		514	#ifndef _WIN32
465	if (req->result >= 0)	515	if (req->result >= 0)
466	{	516	{
467	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
469		524
470	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
471		526
472	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
475	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
481	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483	}	538	}
		539	#endif
484		540
485	PUSHs (rv);	541	PUSHs (rv);
486	}	542	}
487		543
488	break;	544	break;
…		…
504	case EIO_NOP:	560	case EIO_NOP:
505	case EIO_BUSY:	561	case EIO_BUSY:
506	break;	562	break;
507		563
508	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
509	if (req->result > 0)	566	if (req->result > 0)
510	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511	break;	568	break;
512		569
513	case EIO_STAT:	570	case EIO_STAT:
514	case EIO_LSTAT:	571	case EIO_LSTAT:
515	case EIO_FSTAT:	572	case EIO_FSTAT:
516	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
517	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
518	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
519	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520	break;	584	break;
521		585
522	case EIO_READ:	586	case EIO_READ:
523	{	587	{
524	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
527	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
528	PUSHs (sv_result);	592	PUSHs (sv_result);
529	}	593	}
530	break;	594	break;
531		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
532	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533	if (req->result > 0)	637	if (req->result > 0)
534	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
535	/* FALLTHROUGH */	639	/* FALLTHROUGH */
536		640
…		…
557	}	661	}
558		662
559	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
560	}	664	}
561		665
		666	static void
562	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
563	{	668	{
564	if (req->self)	669	if (req->self)
565	{	670	{
566	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
567	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
568	}	673	}
569		674
570	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
571	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
572	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
573		680
574	Safefree (req);	681	free (req);
575	}	682	}
576		683
		684	static void
577	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
578	{	686	{
579	aio_req sub;
580
581	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
582	return;	688	return;
583		689
584	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
585	grp->sv2 = 0;	691	grp->sv2 = 0;
586		692
587	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
588	}	694	}
589		695
590	static void	696	static void ecb_cold
591	create_respipe (void)	697	create_respipe (void)
592	{	698	{
593	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
594	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
595	}	701	}
596		702
597	static void poll_wait (void)	703	static void
		704	poll_wait (void)
598	{	705	{
599	while (eio_nreqs ())	706	while (eio_nreqs ())
600	{	707	{
601	int size;	708	int size;
602		709
…		…
611		718
612	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
613	}	720	}
614	}	721	}
615		722
616	static int poll_cb (void)	723	static int
		724	poll_cb (void)
617	{	725	{
618	for (;;)	726	for (;;)
619	{	727	{
620	int res = eio_poll ();	728	int res = eio_poll ();
621		729
…		…
627		735
628	poll_wait ();	736	poll_wait ();
629	}	737	}
630	}	738	}
631		739
632	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
633	{	742	{
634	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
635	}	747	}
636		748
637	/*****************************************************************************/	749	/*****************************************************************************/
638		750
639	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
640	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
641	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
642	#endif	754	#endif
643		755
644	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
645	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
646	# define PROT_NONE 0	758	# define PROT_NONE 0
647	# define PROT_WRITE 0	759	# define PROT_WRITE 0
648	# define MAP_PRIVATE 0	760	# define MAP_PRIVATE 0
649	# define MAP_SHARED 0	761	# define MAP_SHARED 0
650	# define MAP_FIXED 0	762	# define MAP_FIXED 0
651	#endif	763	#endif
652		764
653	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
654		766
655	static int	767	static int ecb_cold
656	mmap_free (pTHX_ SV *sv, MAGIC *mg)	768	mmap_free (pTHX_ SV *sv, MAGIC *mg)
657	{	769	{
658	int old_errno = errno;	770	int old_errno = errno;
659	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
660	errno = old_errno;	772	errno = old_errno;
…		…
684	{	796	{
685	SvGETMAGIC (cb_sv);	797	SvGETMAGIC (cb_sv);
686	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	798	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
687	}	799	}
688		800
		801	static aio_req ecb_noinline
		802	dreq (SV *callback)
		803	{
		804	SV *cb_cv;
		805	aio_req req;
		806	int req_pri = next_pri;
		807	next_pri = EIO_PRI_DEFAULT;
		808
		809	cb_cv = get_cb (callback);
		810
		811	req = calloc (sizeof (*req), 1);
		812	if (!req)
		813	croak ("out of memory during eio_req allocation");
		814
		815	req->callback = SvREFCNT_inc (cb_cv);
		816	req->pri = req_pri;
		817
		818	return req;
		819	}
		820
689	#define dREQ \	821	#define dREQ \
690	SV *cb_cv; \	822	aio_req req = dreq (callback); \
691	aio_req req; \
692	int req_pri = next_pri; \
693	next_pri = EIO_PRI_DEFAULT; \
694	\
695	cb_cv = get_cb (callback); \
696	\
697	Newz (0, req, 1, eio_req); \
698	if (!req) \
699	croak ("out of memory during eio_req allocation"); \
700	\
701	req->callback = SvREFCNT_inc (cb_cv); \
702	req->pri = req_pri
703		823
704	#define REQ_SEND \	824	#define REQ_SEND \
705	PUTBACK; \	825	PUTBACK; \
706	req_submit (req); \	826	req_submit (req); \
707	SPAGAIN; \	827	SPAGAIN; \
708	\	828	\
709	if (GIMME_V != G_VOID) \	829	if (GIMME_V != G_VOID) \
710	XPUSHs (req_sv (req, aio_req_stash));	830	XPUSHs (req_sv (req, aio_req_stash));
711		831
		832	ecb_inline void
		833	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		834	{
		835	if (expect_false (SvROK (path)))
		836	{
		837	SV *rv = SvRV (path);
		838	SV *wdob;
		839
		840	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		841	{
		842	path = AvARRAY (rv)[1];
		843	wdob = AvARRAY (rv)[0];
		844
		845	if (SvOK (wdob))
		846	{
		847	*wd = SvAIO_WD (wdob);
		848	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		849	}
		850	else
		851	*wd = EIO_INVALID_WD;
		852	}
		853	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		854	{
		855	*wd = (aio_wd)(long)SvIVX (rv);
		856	*wdsv = SvREFCNT_inc_NN (rv);
		857	*ptr = ".";
		858	return; /* path set to "." */
		859	}
		860	else
		861	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		862	}
		863
		864	*pathsv = newSVsv (path);
		865	*ptr = SvPVbyte_nolen (*pathsv);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_path1 (aio_req req, SV *path)
		870	{
		871	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		872	}
		873
		874	static void ecb_noinline
		875	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		876	{
		877	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		878
		879	switch (SvTYPE (rv))
		880	{
		881	case SVt_PVIO:
		882	case SVt_PVLV:
		883	case SVt_PVGV:
		884	req->type = type_fh;
		885	req->sv1 = newSVsv (fh_or_path);
		886	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		887	break;
		888
		889	default:
		890	req->type = type_path;
		891	req_set_path1 (req, fh_or_path);
		892	break;
		893	}
		894	}
		895
		896	XS(boot_IO__AIO) ecb_cold;
		897
712	MODULE = IO::AIO PACKAGE = IO::AIO	898	MODULE = IO::AIO PACKAGE = IO::AIO
713		899
714	PROTOTYPES: ENABLE	900	PROTOTYPES: ENABLE
715		901
716	BOOT:	902	BOOT:
…		…
720	IV iv;	906	IV iv;
721	} *civ, const_iv[] = {	907	} *civ, const_iv[] = {
722	# define const_niv(name, value) { # name, (IV) value },	908	# define const_niv(name, value) { # name, (IV) value },
723	# define const_iv(name) { # name, (IV) name },	909	# define const_iv(name) { # name, (IV) name },
724	# define const_eio(name) { # name, (IV) EIO_ ## name },	910	# define const_eio(name) { # name, (IV) EIO_ ## name },
		911
		912	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		913
		914	const_iv (ENOSYS)
725	const_iv (EXDEV)	915	const_iv (EXDEV)
726	const_iv (ENOSYS)	916	const_iv (EBADR)
		917
727	const_iv (O_RDONLY)	918	const_iv (O_RDONLY)
728	const_iv (O_WRONLY)	919	const_iv (O_WRONLY)
729	const_iv (O_RDWR)	920	const_iv (O_RDWR)
730	const_iv (O_CREAT)	921	const_iv (O_CREAT)
731	const_iv (O_TRUNC)	922	const_iv (O_TRUNC)
732	const_iv (O_EXCL)	923	const_iv (O_EXCL)
733	const_iv (O_APPEND)	924	const_iv (O_APPEND)
734	#ifndef _WIN32	925
		926	const_iv (O_ASYNC)
		927	const_iv (O_DIRECT)
		928	const_iv (O_NOATIME)
		929
		930	const_iv (O_CLOEXEC)
		931	const_iv (O_NOCTTY)
		932	const_iv (O_NOFOLLOW)
		933	const_iv (O_NONBLOCK)
		934	const_iv (O_EXEC)
		935	const_iv (O_SEARCH)
		936	const_iv (O_DIRECTORY)
		937	const_iv (O_DSYNC)
		938	const_iv (O_RSYNC)
		939	const_iv (O_SYNC)
		940	const_iv (O_TTY_INIT)
		941
735	const_iv (S_IFIFO)	942	const_iv (S_IFIFO)
736	#endif	943	const_iv (S_IFCHR)
		944	const_iv (S_IFBLK)
		945	const_iv (S_IFLNK)
		946	const_iv (S_IFREG)
		947	const_iv (S_IFDIR)
		948	const_iv (S_IFWHT)
		949	const_iv (S_IFSOCK)
		950	const_iv (S_IFMT)
		951
737	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	952	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
738	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	953	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
739	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	954	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
740	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	955	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
741	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	956	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
775	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
776	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
777	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
778	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
779		994
		995	const_iv (FIEMAP_FLAG_SYNC)
		996	const_iv (FIEMAP_FLAG_XATTR)
		997	const_iv (FIEMAP_FLAGS_COMPAT)
		998	const_iv (FIEMAP_EXTENT_LAST)
		999	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1000	const_iv (FIEMAP_EXTENT_DELALLOC)
		1001	const_iv (FIEMAP_EXTENT_ENCODED)
		1002	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1003	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1004	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1005	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1006	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1007	const_iv (FIEMAP_EXTENT_MERGED)
		1008	const_iv (FIEMAP_EXTENT_SHARED)
		1009
		1010	const_iv (SPLICE_F_MOVE)
		1011	const_iv (SPLICE_F_NONBLOCK)
		1012	const_iv (SPLICE_F_MORE)
		1013	const_iv (SPLICE_F_GIFT)
		1014
		1015	const_iv (SEEK_DATA)
		1016	const_iv (SEEK_HOLE)
		1017
		1018	/* libeio constants */
		1019	const_eio (SEEK_SET)
		1020	const_eio (SEEK_CUR)
		1021	const_eio (SEEK_END)
		1022
780	const_eio (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
781	const_eio (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
782		1025
783	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
784	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
…		…
787	const_eio (MT_MODIFY)	1030	const_eio (MT_MODIFY)
788		1031
789	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
790	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
791	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1035
		1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
		1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1039	const_eio (FALLOC_FL_ZERO_RANGE)
792		1040
793	const_eio (READDIR_DENTS)	1041	const_eio (READDIR_DENTS)
794	const_eio (READDIR_DIRS_FIRST)	1042	const_eio (READDIR_DIRS_FIRST)
795	const_eio (READDIR_STAT_ORDER)	1043	const_eio (READDIR_STAT_ORDER)
796	const_eio (READDIR_FOUND_UNKNOWN)	1044	const_eio (READDIR_FOUND_UNKNOWN)
…		…
807	};	1055	};
808		1056
809	aio_stash = gv_stashpv ("IO::AIO" , 1);	1057	aio_stash = gv_stashpv ("IO::AIO" , 1);
810	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1058	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
811	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1059	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1060	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
812		1061
813	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1062	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
814	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1063	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
815		1064
816	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1065	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
817		1066
818	create_respipe ();	1067	reinit ();
819
820	if (eio_init (want_poll, done_poll) < 0)
821	croak ("IO::AIO: unable to initialise eio library");
822
823	/* atfork child called in fifo order, so before eio's handler */
824	X_THREAD_ATFORK (0, 0, atfork_child);
825	}	1068	}
826		1069
827	void	1070	void
		1071	reinit ()
		1072	PROTOTYPE:
		1073
		1074	void
828	max_poll_reqs (int nreqs)	1075	max_poll_reqs (unsigned int nreqs)
829	PROTOTYPE: $	1076	PROTOTYPE: $
830	CODE:	1077	CODE:
831	eio_set_max_poll_reqs (nreqs);	1078	eio_set_max_poll_reqs (nreqs);
832		1079
833	void	1080	void
…		…
835	PROTOTYPE: $	1082	PROTOTYPE: $
836	CODE:	1083	CODE:
837	eio_set_max_poll_time (nseconds);	1084	eio_set_max_poll_time (nseconds);
838		1085
839	void	1086	void
840	min_parallel (int nthreads)	1087	min_parallel (unsigned int nthreads)
841	PROTOTYPE: $	1088	PROTOTYPE: $
842	CODE:	1089	CODE:
843	eio_set_min_parallel (nthreads);	1090	eio_set_min_parallel (nthreads);
844		1091
845	void	1092	void
846	max_parallel (int nthreads)	1093	max_parallel (unsigned int nthreads)
847	PROTOTYPE: $	1094	PROTOTYPE: $
848	CODE:	1095	CODE:
849	eio_set_max_parallel (nthreads);	1096	eio_set_max_parallel (nthreads);
850		1097
851	void	1098	void
852	max_idle (int nthreads)	1099	max_idle (unsigned int nthreads)
853	PROTOTYPE: $	1100	PROTOTYPE: $
854	CODE:	1101	CODE:
855	eio_set_max_idle (nthreads);	1102	eio_set_max_idle (nthreads);
856		1103
857	void	1104	void
		1105	idle_timeout (unsigned int seconds)
		1106	PROTOTYPE: $
		1107	CODE:
		1108	eio_set_idle_timeout (seconds);
		1109
		1110	void
858	max_outstanding (int maxreqs)	1111	max_outstanding (unsigned int maxreqs)
859	PROTOTYPE: $	1112	PROTOTYPE: $
860	CODE:	1113	CODE:
861	max_outstanding = maxreqs;	1114	max_outstanding = maxreqs;
862		1115
863	void	1116	void
864	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1117	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
865	PPCODE:	1118	PPCODE:
866	{	1119	{
867	dREQ;	1120	dREQ;
868		1121
		1122	req->type = EIO_WD_OPEN;
		1123	req_set_path1 (req, pathname);
		1124
		1125	REQ_SEND;
		1126	}
		1127
		1128	void
		1129	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1130	PPCODE:
		1131	{
		1132	dREQ;
		1133
869	req->type = EIO_OPEN;	1134	req->type = EIO_OPEN;
870	req->sv1 = newSVsv (pathname);	1135	req_set_path1 (req, pathname);
871	req->ptr1 = SvPVbyte_nolen (req->sv1);
872	req->int1 = flags;	1136	req->int1 = flags;
873	req->int2 = mode;	1137	req->int2 = mode;
874		1138
875	REQ_SEND;	1139	REQ_SEND;
876	}	1140	}
877		1141
878	void	1142	void
879	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1143	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
880	ALIAS:	1144	ALIAS:
881	aio_fsync = EIO_FSYNC	1145	aio_fsync = EIO_FSYNC
882	aio_fdatasync = EIO_FDATASYNC	1146	aio_fdatasync = EIO_FDATASYNC
		1147	aio_syncfs = EIO_SYNCFS
883	PPCODE:	1148	PPCODE:
884	{	1149	{
885	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
886	dREQ;	1151	dREQ;
887		1152
888	req->type = ix;	1153	req->type = ix;
889	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
890	req->int1 = fd;	1155	req->int1 = fd;
891		1156
892	REQ_SEND (req);	1157	REQ_SEND;
893	}	1158	}
894		1159
895	void	1160	void
896	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1161	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
897	PPCODE:	1162	PPCODE:
898	{	1163	{
899	int fd = s_fileno_croak (fh, 0);	1164	int fd = s_fileno_croak (fh, 0);
900	dREQ;	1165	dREQ;
901		1166
902	req->type = EIO_SYNC_FILE_RANGE;	1167	req->type = EIO_SYNC_FILE_RANGE;
903	req->sv1 = newSVsv (fh);	1168	req->sv1 = newSVsv (fh);
904	req->int1 = fd;	1169	req->int1 = fd;
905	req->offs = offset;	1170	req->offs = offset;
906	req->size = nbytes;	1171	req->size = nbytes;
907	req->int2 = flags;	1172	req->int2 = flags;
908		1173
909	REQ_SEND (req);	1174	REQ_SEND;
910	}	1175	}
911		1176
912	void	1177	void
913	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1178	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
914	PPCODE:	1179	PPCODE:
915	{	1180	{
916	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
917	int fd = s_fileno_croak (fh, 0);	1181	int fd = s_fileno_croak (fh, 0);
918	dREQ;	1182	dREQ;
919		1183
920	if (close_pipe < 0)	1184	req->type = EIO_FALLOCATE;
		1185	req->sv1 = newSVsv (fh);
		1186	req->int1 = fd;
		1187	req->int2 = mode;
		1188	req->offs = offset;
		1189	req->size = len;
		1190
		1191	REQ_SEND;
		1192	}
		1193
		1194	void
		1195	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1196	PPCODE:
		1197	{
		1198	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1199	int fd = s_fileno_croak (fh, 0);
		1200	dREQ;
		1201
		1202	if (expect_false (close_fd < 0))
921	{	1203	{
922	int pipefd [2];	1204	int pipefd [2];
923		1205
		1206	if (
		1207	#ifdef _WIN32
		1208	_pipe (pipefd, 1, _O_BINARY) < 0
		1209	#else
924	if (pipe (pipefd) < 0	1210	pipe (pipefd) < 0
925	|| close (pipefd [1]) < 0
926	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1211	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1212	#endif
		1213	|| close (pipefd [1]) < 0
		1214	)
927	abort (); /*D*/	1215	abort (); /*D*/
928		1216
929	close_pipe = pipefd [0];	1217	close_fd = pipefd [0];
930	}	1218	}
931		1219
932	req->type = EIO_DUP2;	1220	req->type = EIO_DUP2;
933	req->int1 = close_pipe;	1221	req->int1 = close_fd;
934	req->sv2 = newSVsv (fh);	1222	req->sv2 = newSVsv (fh);
935	req->int2 = fd;	1223	req->int2 = fd;
936		1224
937	REQ_SEND (req);	1225	REQ_SEND;
938	}	1226	}
939		1227
940	void	1228	void
		1229	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1230	PPCODE:
		1231	{
		1232	int fd = s_fileno_croak (fh, 0);
		1233	dREQ;
		1234
		1235	req->type = EIO_SEEK;
		1236	req->sv1 = newSVsv (fh);
		1237	req->int1 = fd;
		1238	req->offs = SvVAL64 (offset);
		1239	req->int2 = whence;
		1240
		1241	REQ_SEND;
		1242	}
		1243
		1244	void
941	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1245	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
942	ALIAS:	1246	ALIAS:
943	aio_read = EIO_READ	1247	aio_read = EIO_READ
944	aio_write = EIO_WRITE	1248	aio_write = EIO_WRITE
945	PPCODE:	1249	PPCODE:
946	{	1250	{
…		…
962	len = svlen - dataoffset;	1266	len = svlen - dataoffset;
963	}	1267	}
964	else	1268	else
965	{	1269	{
966	/* read: check type and grow scalar as necessary */	1270	/* read: check type and grow scalar as necessary */
967	SvUPGRADE (data, SVt_PV);	1271	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
968	svptr = SvGROW (data, len + dataoffset + 1);	1272	svptr = sv_grow (data, len + dataoffset + 1);
		1273	else if (SvCUR (data) < len + dataoffset)
		1274	croak ("length + dataoffset outside of scalar, and cannot grow");
969	}	1275	}
970		1276
971	{	1277	{
972	dREQ;	1278	dREQ;
973		1279
…		…
989	REQ_SEND;	1295	REQ_SEND;
990	}	1296	}
991	}	1297	}
992		1298
993	void	1299	void
994	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1300	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1301	ALIAS:
		1302	aio_readlink = EIO_READLINK
		1303	aio_realpath = EIO_REALPATH
995	PPCODE:	1304	PPCODE:
996	{	1305	{
997	SV *data;
998	dREQ;	1306	dREQ;
999		1307
1000	req->type = EIO_READLINK;	1308	req->type = ix;
1001	req->sv1 = newSVsv (path);	1309	req_set_path1 (req, pathname);
1002	req->ptr1 = SvPVbyte_nolen (req->sv1);
1003		1310
1004	REQ_SEND;	1311	REQ_SEND;
1005	}	1312	}
1006		1313
1007	void	1314	void
1008	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1315	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1009	PPCODE:	1316	PPCODE:
1010	{	1317	{
1011	int ifd = s_fileno_croak (in_fh , 0);	1318	int ifd = s_fileno_croak (in_fh , 0);
1012	int ofd = s_fileno_croak (out_fh, 1);	1319	int ofd = s_fileno_croak (out_fh, 1);
1013	dREQ;	1320	dREQ;
1014		1321
1015	req->type = EIO_SENDFILE;	1322	req->type = EIO_SENDFILE;
1016	req->sv1 = newSVsv (out_fh);	1323	req->sv1 = newSVsv (out_fh);
1017	req->int1 = ofd;	1324	req->int1 = ofd;
…		…
1022		1329
1023	REQ_SEND;	1330	REQ_SEND;
1024	}	1331	}
1025		1332
1026	void	1333	void
1027	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1334	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1028	PPCODE:	1335	PPCODE:
1029	{	1336	{
1030	int fd = s_fileno_croak (fh, 0);	1337	int fd = s_fileno_croak (fh, 0);
1031	dREQ;	1338	dREQ;
1032		1339
1033	req->type = EIO_READAHEAD;	1340	req->type = EIO_READAHEAD;
1034	req->sv1 = newSVsv (fh);	1341	req->sv1 = newSVsv (fh);
1035	req->int1 = fd;	1342	req->int1 = fd;
…		…
1038		1345
1039	REQ_SEND;	1346	REQ_SEND;
1040	}	1347	}
1041		1348
1042	void	1349	void
1043	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1350	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1044	ALIAS:	1351	ALIAS:
1045	aio_stat = EIO_STAT	1352	aio_stat = EIO_STAT
1046	aio_lstat = EIO_LSTAT	1353	aio_lstat = EIO_LSTAT
1047	aio_statvfs = EIO_STATVFS	1354	aio_statvfs = EIO_STATVFS
1048	PPCODE:	1355	PPCODE:
1049	{	1356	{
1050	dREQ;	1357	dREQ;
1051		1358
1052	req->sv1 = newSVsv (fh_or_path);	1359	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1053
1054	if (SvPOK (req->sv1))
1055	{
1056	req->type = ix;
1057	req->ptr1 = SvPVbyte_nolen (req->sv1);
1058	}
1059	else
1060	{
1061	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1062	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1063	}
1064		1360
1065	REQ_SEND;	1361	REQ_SEND;
1066	}	1362	}
1067		1363
		1364	UV
		1365	major (UV dev)
		1366	ALIAS:
		1367	minor = 1
		1368	CODE:
		1369	RETVAL = ix ? major (dev) : minor (dev);
		1370	OUTPUT:
		1371	RETVAL
		1372
		1373	UV
		1374	makedev (UV maj, UV min)
		1375	CODE:
		1376	RETVAL = makedev (maj, min);
		1377	OUTPUT:
		1378	RETVAL
		1379
1068	void	1380	void
1069	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1381	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1070	PPCODE:	1382	PPCODE:
1071	{	1383	{
1072	dREQ;	1384	dREQ;
1073		1385
1074	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1386	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1075	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1387	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1076	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1077
1078	if (SvPOK (req->sv1))
1079	{
1080	req->type = EIO_UTIME;
1081	req->ptr1 = SvPVbyte_nolen (req->sv1);
1082	}
1083	else
1084	{
1085	req->type = EIO_FUTIME;
1086	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1087	}
1088		1389
1089	REQ_SEND;	1390	REQ_SEND;
1090	}	1391	}
1091		1392
1092	void	1393	void
1093	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1394	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1094	PPCODE:	1395	PPCODE:
1095	{	1396	{
1096	dREQ;	1397	dREQ;
1097		1398
1098	req->sv1 = newSVsv (fh_or_path);
1099	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1399	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1100		1400	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1101	if (SvPOK (req->sv1))
1102	{
1103	req->type = EIO_TRUNCATE;
1104	req->ptr1 = SvPVbyte_nolen (req->sv1);
1105	}
1106	else
1107	{
1108	req->type = EIO_FTRUNCATE;
1109	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1110	}
1111		1401
1112	REQ_SEND;	1402	REQ_SEND;
1113	}	1403	}
1114		1404
1115	void	1405	void
1116	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1406	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1117	ALIAS:
1118	aio_chmod = EIO_CHMOD
1119	aio_mkdir = EIO_MKDIR
1120	PPCODE:	1407	PPCODE:
1121	{	1408	{
1122	dREQ;	1409	dREQ;
1123		1410
1124	req->int2 = mode;	1411	req->int2 = mode;
1125	req->sv1 = newSVsv (fh_or_path);	1412	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1126
1127	if (SvPOK (req->sv1))
1128	{
1129	req->type = ix;
1130	req->ptr1 = SvPVbyte_nolen (req->sv1);
1131	}
1132	else
1133	{
1134	req->type = EIO_FCHMOD;
1135	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1136	}
1137		1413
1138	REQ_SEND;	1414	REQ_SEND;
1139	}	1415	}
1140		1416
1141	void	1417	void
1142	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1418	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1143	PPCODE:	1419	PPCODE:
1144	{	1420	{
1145	dREQ;	1421	dREQ;
1146		1422
1147	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1423	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1148	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1424	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1149	req->sv1 = newSVsv (fh_or_path);	1425	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1150
1151	if (SvPOK (req->sv1))
1152	{
1153	req->type = EIO_CHOWN;
1154	req->ptr1 = SvPVbyte_nolen (req->sv1);
1155	}
1156	else
1157	{
1158	req->type = EIO_FCHOWN;
1159	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1160	}
1161		1426
1162	REQ_SEND;	1427	REQ_SEND;
1163	}	1428	}
1164		1429
1165	void	1430	void
1166	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1431	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1167	PPCODE:	1432	PPCODE:
1168	{	1433	{
1169	dREQ;	1434	dREQ;
1170		1435
1171	req->type = EIO_READDIR;	1436	req->type = EIO_READDIR;
1172	req->sv1 = newSVsv (pathname);
1173	req->ptr1 = SvPVbyte_nolen (req->sv1);
1174	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1437	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1175		1438
1176	if (flags & EIO_READDIR_DENTS)	1439	if (flags & EIO_READDIR_DENTS)
1177	req->int1 |= EIO_READDIR_CUSTOM2;	1440	req->int1 |= EIO_READDIR_CUSTOM2;
1178		1441
		1442	req_set_path1 (req, pathname);
		1443
1179	REQ_SEND;	1444	REQ_SEND;
1180	}	1445	}
1181		1446
1182	void	1447	void
		1448	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1449	PPCODE:
		1450	{
		1451	dREQ;
		1452
		1453	req->type = EIO_MKDIR;
		1454	req->int2 = mode;
		1455	req_set_path1 (req, pathname);
		1456
		1457	REQ_SEND;
		1458	}
		1459
		1460	void
1183	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1461	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1184	ALIAS:	1462	ALIAS:
1185	aio_unlink = EIO_UNLINK	1463	aio_unlink = EIO_UNLINK
1186	aio_rmdir = EIO_RMDIR	1464	aio_rmdir = EIO_RMDIR
1187	aio_readdir = EIO_READDIR	1465	aio_readdir = EIO_READDIR
1188	PPCODE:	1466	PPCODE:
1189	{	1467	{
1190	dREQ;	1468	dREQ;
1191		1469
1192	req->type = ix;	1470	req->type = ix;
1193	req->sv1 = newSVsv (pathname);	1471	req_set_path1 (req, pathname);
1194	req->ptr1 = SvPVbyte_nolen (req->sv1);
1195		1472
1196	REQ_SEND;	1473	REQ_SEND;
1197	}	1474	}
1198		1475
1199	void	1476	void
1200	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1477	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1201	ALIAS:	1478	ALIAS:
1202	aio_link = EIO_LINK	1479	aio_link = EIO_LINK
1203	aio_symlink = EIO_SYMLINK	1480	aio_symlink = EIO_SYMLINK
1204	aio_rename = EIO_RENAME	1481	aio_rename = EIO_RENAME
1205	PPCODE:	1482	PPCODE:
1206	{	1483	{
		1484	eio_wd wd2 = 0;
1207	dREQ;	1485	dREQ;
1208		1486
1209	req->type = ix;	1487	req->type = ix;
1210	req->sv1 = newSVsv (oldpath);	1488	req_set_path1 (req, oldpath);
1211	req->ptr1 = SvPVbyte_nolen (req->sv1);	1489	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1212	req->sv2 = newSVsv (newpath);	1490	req->int3 = (long)wd2;
1213	req->ptr2 = SvPVbyte_nolen (req->sv2);
1214		1491
1215	REQ_SEND;	1492	REQ_SEND;
1216	}	1493	}
1217		1494
1218	void	1495	void
1219	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1496	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1220	PPCODE:	1497	PPCODE:
1221	{	1498	{
1222	dREQ;	1499	dREQ;
1223		1500
1224	req->type = EIO_MKNOD;	1501	req->type = EIO_MKNOD;
1225	req->sv1 = newSVsv (pathname);
1226	req->ptr1 = SvPVbyte_nolen (req->sv1);
1227	req->int2 = (mode_t)mode;	1502	req->int2 = (mode_t)mode;
1228	req->offs = dev;	1503	req->offs = dev;
		1504	req_set_path1 (req, pathname);
1229		1505
1230	REQ_SEND;	1506	REQ_SEND;
1231	}	1507	}
1232		1508
1233	void	1509	void
1234	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1510	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1235	ALIAS:	1511	ALIAS:
1236	aio_mtouch = EIO_MTOUCH	1512	aio_mtouch = EIO_MTOUCH
1237	aio_msync = EIO_MSYNC	1513	aio_msync = EIO_MSYNC
1238	PPCODE:	1514	PPCODE:
1239	{	1515	{
…		…
1262	REQ_SEND;	1538	REQ_SEND;
1263	}	1539	}
1264	}	1540	}
1265		1541
1266	void	1542	void
1267	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1543	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1268	PPCODE:	1544	PPCODE:
1269	{	1545	{
1270	STRLEN svlen;	1546	STRLEN svlen;
1271	char *svptr = SvPVbyte (data, svlen);	1547	char *svptr = SvPVbyte (data, svlen);
1272	UV len = SvUV (length);	1548	UV len = SvUV (length);
…		…
1291	REQ_SEND;	1567	REQ_SEND;
1292	}	1568	}
1293	}	1569	}
1294		1570
1295	void	1571	void
1296	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1572	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1297	PPCODE:	1573	PPCODE:
1298	{	1574	{
1299	dREQ;	1575	dREQ;
1300		1576
1301	req->type = EIO_MLOCKALL;	1577	req->type = EIO_MLOCKALL;
…		…
1303		1579
1304	REQ_SEND;	1580	REQ_SEND;
1305	}	1581	}
1306		1582
1307	void	1583	void
		1584	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1585	PPCODE:
		1586	{
		1587	int fd = s_fileno_croak (fh, 0);
		1588	dREQ;
		1589
		1590	req->type = EIO_CUSTOM;
		1591	req->sv1 = newSVsv (fh);
		1592	req->int1 = fd;
		1593
		1594	req->feed = fiemap;
		1595	#if HAVE_FIEMAP
		1596	/* keep our fingers crossed that the next two types are 64 bit */
		1597	req->offs = start;
		1598	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1599	req->int2 = flags;
		1600	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1601	#endif
		1602
		1603	REQ_SEND;
		1604	}
		1605
		1606	void
1308	aio_busy (double delay, SV *callback=&PL_sv_undef)	1607	aio_busy (double delay, SV *callback = &PL_sv_undef)
1309	PPCODE:	1608	PPCODE:
1310	{	1609	{
1311	dREQ;	1610	dREQ;
1312		1611
1313	req->type = EIO_BUSY;	1612	req->type = EIO_BUSY;
…		…
1315		1614
1316	REQ_SEND;	1615	REQ_SEND;
1317	}	1616	}
1318		1617
1319	void	1618	void
1320	aio_group (SV *callback=&PL_sv_undef)	1619	aio_group (SV *callback = &PL_sv_undef)
1321	PPCODE:	1620	PPCODE:
1322	{	1621	{
1323	dREQ;	1622	dREQ;
1324		1623
1325	req->type = EIO_GROUP;	1624	req->type = EIO_GROUP;
1326		1625
		1626	PUTBACK;
1327	req_submit (req);	1627	req_submit (req);
		1628	SPAGAIN;
		1629
1328	XPUSHs (req_sv (req, aio_grp_stash));	1630	XPUSHs (req_sv (req, aio_grp_stash));
1329	}	1631	}
1330		1632
1331	void	1633	void
1332	aio_nop (SV *callback=&PL_sv_undef)	1634	aio_nop (SV *callback = &PL_sv_undef)
1333	ALIAS:	1635	ALIAS:
1334	aio_nop = EIO_NOP	1636	aio_nop = EIO_NOP
1335	aio_sync = EIO_SYNC	1637	aio_sync = EIO_SYNC
1336	PPCODE:	1638	PPCODE:
1337	{	1639	{
…		…
1341		1643
1342	REQ_SEND;	1644	REQ_SEND;
1343	}	1645	}
1344		1646
1345	int	1647	int
1346	aioreq_pri (int pri = 0)	1648	aioreq_pri (int pri = NO_INIT)
1347	CODE:	1649	CODE:
1348	RETVAL = next_pri;	1650	RETVAL = next_pri;
1349	if (items > 0)	1651	if (items > 0)
1350	{	1652	{
1351	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1653	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1433	CODE:	1735	CODE:
1434	RETVAL = posix_fadvise (fh, offset, length, advice);	1736	RETVAL = posix_fadvise (fh, offset, length, advice);
1435	OUTPUT:	1737	OUTPUT:
1436	RETVAL	1738	RETVAL
1437		1739
1438	ssize_t	1740	IV
1439	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1741	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1440	CODE:	1742	CODE:
1441	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1743	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1442	OUTPUT:	1744	OUTPUT:
1443	RETVAL	1745	RETVAL
1444		1746
1445	void	1747	void
1446	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1748	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1447	PPCODE:	1749	PPCODE:
1448	sv_unmagic (scalar, MMAP_MAGIC);	1750	sv_unmagic (scalar, MMAP_MAGIC);
1449	{	1751	{
1450	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1451	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1753	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1478	munmap (SV *scalar)	1780	munmap (SV *scalar)
1479	CODE:	1781	CODE:
1480	sv_unmagic (scalar, MMAP_MAGIC);	1782	sv_unmagic (scalar, MMAP_MAGIC);
1481		1783
1482	int	1784	int
1483	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1785	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1484	ALIAS:	1786	ALIAS:
1485	mprotect = 1	1787	mprotect = 1
1486	CODE:	1788	CODE:
1487	{	1789	{
1488	STRLEN svlen;	1790	STRLEN svlen;
1489	void *addr = SvPVbyte (scalar, svlen);	1791	void *addr = SvPVbyte (scalar, svlen);
1490	size_t len = SvUV (length);	1792	STRLEN len = SvUV (length);
1491		1793
1492	if (offset < 0)	1794	if (offset < 0)
1493	offset += svlen;	1795	offset += svlen;
1494		1796
1495	if (offset < 0 || offset > svlen)	1797	if (offset < 0 || offset > svlen)
…		…
1509	}	1811	}
1510	OUTPUT:	1812	OUTPUT:
1511	RETVAL	1813	RETVAL
1512		1814
1513	int	1815	int
1514	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1816	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1515	CODE:	1817	CODE:
1516	{	1818	{
1517	STRLEN svlen;	1819	STRLEN svlen;
1518	void *addr = SvPVbyte (scalar, svlen);	1820	void *addr = SvPVbyte (scalar, svlen);
1519	size_t len = SvUV (length);	1821	size_t len = SvUV (length);
1520		1822
1521	if (offset < 0)	1823	if (offset < 0)
1522	offset += svlen;	1824	offset += svlen;
1523		1825
…		…
1530	addr = (void *)(((intptr_t)addr) + offset);	1832	addr = (void *)(((intptr_t)addr) + offset);
1531	eio_page_align (&addr, &len);	1833	eio_page_align (&addr, &len);
1532	#if _POSIX_MEMLOCK_RANGE	1834	#if _POSIX_MEMLOCK_RANGE
1533	RETVAL = munlock (addr, len);	1835	RETVAL = munlock (addr, len);
1534	#else	1836	#else
1535	RETVAL = ((errno = ENOSYS), -1);	1837	RETVAL = EIO_ENOSYS ();
1536	#endif	1838	#endif
1537	}	1839	}
1538	OUTPUT:	1840	OUTPUT:
1539	RETVAL	1841	RETVAL
1540		1842
…		…
1542	munlockall ()	1844	munlockall ()
1543	CODE:	1845	CODE:
1544	#if _POSIX_MEMLOCK	1846	#if _POSIX_MEMLOCK
1545	munlockall ();	1847	munlockall ();
1546	#else	1848	#else
		1849	RETVAL = EIO_ENOSYS ();
		1850	#endif
		1851	OUTPUT:
		1852	RETVAL
		1853
		1854	int
		1855	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1856	CODE:
		1857	{
		1858	#if HAVE_LINUX_SPLICE
		1859	loff_t off_in_, off_out_;
		1860	RETVAL = splice (
		1861	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1862	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1863	length, flags
		1864	);
		1865	#else
		1866	RETVAL = EIO_ENOSYS ();
		1867	#endif
		1868	}
		1869	OUTPUT:
		1870	RETVAL
		1871
		1872	int
		1873	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1874	CODE:
		1875	#if HAVE_LINUX_SPLICE
		1876	RETVAL = tee (rfh, wfh, length, flags);
		1877	#else
		1878	RETVAL = EIO_ENOSYS ();
		1879	#endif
		1880	OUTPUT:
		1881	RETVAL
		1882
		1883	int
		1884	pipesize (aio_rfd rfh, int new_size = -1)
		1885	PROTOTYPE: $;$
		1886	CODE:
		1887	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1888	if (new_size >= 0)
		1889	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1890	else
		1891	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1892	#else
		1893	errno = ENOSYS;
1547	RETVAL = -1;	1894	RETVAL = -1;
1548	errno = ENOSYS;
1549	#endif	1895	#endif
1550	OUTPUT:	1896	OUTPUT:
1551	RETVAL	1897	RETVAL
1552		1898
1553	void _on_next_submit (SV *cb)	1899	void _on_next_submit (SV *cb)
…		…
1555	SvREFCNT_dec (on_next_submit);	1901	SvREFCNT_dec (on_next_submit);
1556	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1902	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1557		1903
1558	PROTOTYPES: DISABLE	1904	PROTOTYPES: DISABLE
1559		1905
		1906	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1907
		1908	BOOT:
		1909	{
		1910	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1911	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1912	}
		1913
		1914	void
		1915	DESTROY (SV *self)
		1916	CODE:
		1917	{
		1918	aio_wd wd = SvAIO_WD (self);
		1919	#if HAVE_AT
		1920	{
		1921	SV *callback = &PL_sv_undef;
		1922	dREQ; /* clobbers next_pri :/ */
		1923	next_pri = req->pri; /* restore next_pri */
		1924	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1925	req->type = EIO_WD_CLOSE;
		1926	req->wd = wd;
		1927	REQ_SEND;
		1928	}
		1929	#else
		1930	eio_wd_close_sync (wd);
		1931	#endif
		1932	}
		1933
1560	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1934	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1561		1935
1562	void	1936	void
1563	cancel (aio_req_ornot req)	1937	cancel (aio_req_ornot req)
1564	CODE:	1938	CODE:
1565	eio_cancel (req);	1939	eio_cancel (req);
1566		1940
1567	void	1941	void
1568	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1942	cb (aio_req_ornot req, SV *callback = NO_INIT)
1569	PPCODE:	1943	PPCODE:
1570	{	1944	{
1571	if (GIMME_V != G_VOID)	1945	if (GIMME_V != G_VOID)
1572	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1946	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1573		1947
1574	if (items > 1)	1948	if (items > 1)
1575	{	1949	{
1576	SV *cb_cv =get_cb (callback);	1950	SV *cb_cv = get_cb (callback);
1577		1951
1578	SvREFCNT_dec (req->callback);	1952	SvREFCNT_dec (req->callback);
1579	req->callback = SvREFCNT_inc (cb_cv);	1953	req->callback = SvREFCNT_inc (cb_cv);
1580	}	1954	}
1581	}	1955	}
…		…
1638	limit (aio_req grp, int limit)	2012	limit (aio_req grp, int limit)
1639	CODE:	2013	CODE:
1640	eio_grp_limit (grp, limit);	2014	eio_grp_limit (grp, limit);
1641		2015
1642	void	2016	void
1643	feed (aio_req grp, SV *callback=&PL_sv_undef)	2017	feed (aio_req grp, SV *callback = &PL_sv_undef)
1644	CODE:	2018	CODE:
1645	{	2019	{
1646	SvREFCNT_dec (grp->sv2);	2020	SvREFCNT_dec (grp->sv2);
1647	grp->sv2 = newSVsv (callback);	2021	grp->sv2 = newSVsv (callback);
1648	grp->feed = aio_grp_feed;	2022	grp->feed = aio_grp_feed;

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