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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.228 by root, Fri Jan 24 23:46:16 2014 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	#if _XOPEN_SOURCE < 600 || NO_FADVISE	127	#include "libeio/eio.c"
		128
		129	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	131	#endif
148		132
149	#ifndef POSIX_MADV_NORMAL	133	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef ST_NODEV
171	# define ST_NODEV 0
172	#endif
173	#ifndef ST_NOEXEC
174	# define ST_NOEXEC 0
175	#endif
176	#ifndef ST_SYNCHRONOUS
177	# define ST_SYNCHRONOUS 0
178	#endif
179	#ifndef ST_MANDLOCK
180	# define ST_MANDLOCK 0
181	#endif
182	#ifndef ST_WRITE
183	# define ST_WRITE 0
184	#endif
185	#ifndef ST_APPEND
186	# define ST_APPEND 0
187	#endif
188	#ifndef ST_IMMUTABLE
189	# define ST_IMMUTABLE 0
190	#endif
191	#ifndef ST_NOATIME
192	# define ST_NOATIME 0
193	#endif
194	#ifndef ST_NODIRATIME
195	# define ST_NODIRATIME 0
196	#endif
197	#ifndef ST_RELATIME
198	# define ST_RELATIME 0
199	#endif
200
201	#ifndef MCL_CURRENT
202	# define MCL_CURRENT 0
203	#endif
204	#ifndef MCL_FUTURE
205	# define MCL_FUTURE 0
206	#endif	135	#endif
207		136
208	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
209	# ifdef MAP_ANON	138	# ifdef MAP_ANON
210	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
211	# else	140	# else
212	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213	# endif	142	# endif
214	#endif	143	#endif
215	#ifndef MAP_HUGETLB
216	# define MAP_HUGETLB 0
217	#endif
218	#ifndef MAP_LOCKED
219	# define MAP_LOCKED 0
220	#endif
221	#ifndef MAP_NORESERVE
222	# define MAP_NORESERVE 0
223	#endif
224	#ifndef MAP_POPULATE
225	# define MAP_POPULATE 0
226	#endif
227	#ifndef MAP_NONBLOCK
228	# define MAP_NONBLOCK 0
229	#endif
230		144
231	#ifndef PAGESIZE	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))
		150	#endif
		151	#ifndef major
		152	# define major(dev) ((dev) >> 8)
		153	#endif
		154	#ifndef minor
		155	# define minor(dev) ((dev) & 0xff)
		156	#endif
		157
		158	#if PAGESIZE <= 0
232	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
233	#endif	160	#endif
234		161
235	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
236	#define EIO_FINISH(req) req_invoke (req)	163
237	static void req_destroy (eio_req *grp);	164	static void
238	#define EIO_DESTROY(req) req_destroy (req)	165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	/* assume some c99 */
		171	struct fiemap *fiemap = 0;
		172	size_t end_offset;
		173	int count = req->int3;
		174
		175	req->flags |= EIO_FLAG_PTR1_FREE;
		176
		177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		178	/* increase in 3.5kb steps */
		179	if (count < 0)
		180	count = 8;
		181
		182	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		183	errno = ENOMEM;
		184	if (!fiemap)
		185	return;
		186
		187	req->ptr1 = fiemap;
		188
		189	fiemap->fm_start = req->offs;
		190	fiemap->fm_length = req->size;
		191	fiemap->fm_flags = req->int2;
		192	fiemap->fm_extent_count = count;
		193
		194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		195	return;
		196
		197	if (req->int3 >= 0 /* not autosizing */
		198	|| !fiemap->fm_mapped_extents /* no more extents */
		199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		200	goto done;
		201
		202	/* else we have to loop -
		203	* it would be tempting (actually I tried that first) to just query the
		204	* number of extents needed, but linux often feels like not returning all
		205	* extents, without telling us it left any out. this complicates
		206	* this quite a bit.
		207	*/
		208
		209	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		210
		211	for (;;)
		212	{
		213	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		214	char scratch[3072];
		215	struct fiemap *incmap = (struct fiemap *)scratch;
		216
		217	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		218	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		219	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		220	incmap->fm_flags = fiemap->fm_flags;
		221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		222
		223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		224	return;
		225
		226	if (!incmap->fm_mapped_extents)
		227	goto done;
		228
		229	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		230	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		231	errno = ENOMEM;
		232	if (!fiemap)
		233	return;
		234
		235	req->ptr1 = fiemap;
		236
		237	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		238	{
		239	struct fiemap_extent *e = incmap->fm_extents + count;
		240
		241	if (e->fe_logical + e->fe_length >= end_offset)
		242	goto done;
		243
		244	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		245
		246	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		247	goto done;
		248
		249	}
		250	}
		251
		252	done:
		253	req->result = 0;
		254
		255	#else
		256	errno = ENOSYS;
		257	#endif
		258	}
		259
		260	/*****************************************************************************/
239		261
240	enum {	262	enum {
241	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242	};	264	};
243		265
244	#include "libeio/eio.c"
245
246	typedef eio_req *aio_req;	266	typedef eio_req *aio_req;
247	typedef eio_req *aio_req_ornot;	267	typedef eio_req *aio_req_ornot;
		268	typedef eio_wd aio_wd;
248		269
249	static SV *on_next_submit;	270	static SV *on_next_submit;
250	static int next_pri = EIO_PRI_DEFAULT;	271	static int next_pri = EIO_PRI_DEFAULT;
251	static int max_outstanding;	272	static int max_outstanding;
252		273
253	static s_epipe respipe;	274	static s_epipe respipe;
254		275
255	static void req_destroy (aio_req req);	276	static void req_destroy (aio_req req);
256	static void req_cancel (aio_req req);	277	static void req_cancel (aio_req req);
257		278
258	static void want_poll (void)	279	static void
		280	want_poll (void)
259	{	281	{
260	/* write a dummy byte to the pipe so fh becomes ready */	282	/* write a dummy byte to the pipe so fh becomes ready */
261	s_epipe_signal (&respipe);	283	s_epipe_signal (&respipe);
262	}	284	}
263		285
264	static void done_poll (void)	286	static void
		287	done_poll (void)
265	{	288	{
266	/* read any signals sent by the worker threads */	289	/* read any signals sent by the worker threads */
267	s_epipe_drain (&respipe);	290	s_epipe_drain (&respipe);
268	}	291	}
269		292
270	/* must be called at most once */	293	/* must be called at most once */
		294	static SV *
271	static SV *req_sv (aio_req req, HV *stash)	295	req_sv (aio_req req, HV *stash)
272	{	296	{
273	if (!req->self)	297	if (!req->self)
274	{	298	{
275	req->self = (SV *)newHV ();	299	req->self = (SV *)newHV ();
276	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	300	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277	}	301	}
278		302
279	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	303	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280	}	304	}
281		305
282	static aio_req SvAIO_REQ (SV *sv)	306	static SV *
		307	newSVaio_wd (aio_wd wd)
		308	{
		309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		310	}
		311
		312	static aio_req
		313	SvAIO_REQ (SV *sv)
283	{	314	{
284	MAGIC *mg;	315	MAGIC *mg;
285		316
286	if (!SvROK (sv)	317	if (!SvROK (sv)
		318	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	319	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
288	&& SvSTASH (SvRV (sv)) != aio_req_stash	320	&& SvSTASH (SvRV (sv)) != aio_req_stash
289	&& !sv_derived_from (sv, "IO::AIO::REQ")))	321	&& !sv_derived_from (sv, "IO::AIO::REQ")))
290	croak ("object of class IO::AIO::REQ expected");	322	croak ("object of class IO::AIO::REQ expected");
291		323
292	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	324	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293		325
294	return mg ? (aio_req)mg->mg_ptr : 0;	326	return mg ? (aio_req)mg->mg_ptr : 0;
295	}	327	}
296		328
		329	static aio_wd
		330	SvAIO_WD (SV *sv)
		331	{
		332	if (!SvROK (sv)
		333	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		334	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		336
		337	return (aio_wd)(long)SvIVX (SvRV (sv));
		338	}
		339
		340	static void
297	static void aio_grp_feed (aio_req grp)	341	aio_grp_feed (aio_req grp)
298	{	342	{
299	if (grp->sv2 && SvOK (grp->sv2))	343	if (grp->sv2 && SvOK (grp->sv2))
300	{	344	{
301	dSP;	345	dSP;
302		346
…		…
310	FREETMPS;	354	FREETMPS;
311	LEAVE;	355	LEAVE;
312	}	356	}
313	}	357	}
314		358
		359	static void
315	static void req_submit (eio_req *req)	360	req_submit (eio_req *req)
316	{	361	{
317	eio_submit (req);	362	eio_submit (req);
318		363
319	if (expect_false (on_next_submit))	364	if (expect_false (on_next_submit))
320	{	365	{
…		…
327	PUTBACK;	372	PUTBACK;
328	call_sv (cb, G_DISCARD | G_EVAL);	373	call_sv (cb, G_DISCARD | G_EVAL);
329	}	374	}
330	}	375	}
331		376
		377	static int
332	static int req_invoke (eio_req *req)	378	req_invoke (eio_req *req)
333	{	379	{
334	if (req->flags & FLAG_SV2_RO_OFF)	380	if (req->flags & FLAG_SV2_RO_OFF)
335	SvREADONLY_off (req->sv2);	381	SvREADONLY_off (req->sv2);
336		382
337	if (!EIO_CANCELLED (req) && req->callback)	383	if (!EIO_CANCELLED (req) && req->callback)
…		…
348	/* do not recreate the result IV from scratch each time */	394	/* do not recreate the result IV from scratch each time */
349	if (expect_true (sv_result_cache))	395	if (expect_true (sv_result_cache))
350	{	396	{
351	sv_result = sv_result_cache; sv_result_cache = 0;	397	sv_result = sv_result_cache; sv_result_cache = 0;
352	SvIV_set (sv_result, req->result);	398	SvIV_set (sv_result, req->result);
		399	SvIOK_only (sv_result);
353	}	400	}
354	else	401	else
355	{	402	{
356	sv_result = newSViv (req->result);	403	sv_result = newSViv (req->result);
357	SvREADONLY_on (sv_result);	404	SvREADONLY_on (sv_result);
358	}	405	}
359		406
360	switch (req->type)	407	switch (req->type)
361	{	408	{
		409	case EIO_WD_OPEN:
		410	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		411	break;
		412
362	case EIO_READDIR:	413	case EIO_READDIR:
363	{	414	{
364	SV *rv = &PL_sv_undef;	415	SV *rv = &PL_sv_undef;
365		416
366	if (req->result >= 0)	417	if (req->result >= 0)
…		…
454	case EIO_STATVFS:	505	case EIO_STATVFS:
455	case EIO_FSTATVFS:	506	case EIO_FSTATVFS:
456	{	507	{
457	SV *rv = &PL_sv_undef;	508	SV *rv = &PL_sv_undef;
458		509
		510	#ifndef _WIN32
459	if (req->result >= 0)	511	if (req->result >= 0)
460	{	512	{
461	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	513	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462	HV *hv = newHV ();	514	HV *hv = newHV ();
		515	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		516	* chooses to make it a struct.
		517	*/
		518	unsigned long fsid = 0;
		519	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463		520
464	rv = sv_2mortal (newRV_noinc ((SV *)hv));	521	rv = sv_2mortal (newRV_noinc ((SV *)hv));
465		522
466	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	523	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	524	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
469	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	526	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	527	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	528	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	529	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	530	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	531	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	532	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	533	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477	}	534	}
		535	#endif
478		536
479	PUSHs (rv);	537	PUSHs (rv);
480	}	538	}
481		539
482	break;	540	break;
…		…
498	case EIO_NOP:	556	case EIO_NOP:
499	case EIO_BUSY:	557	case EIO_BUSY:
500	break;	558	break;
501		559
502	case EIO_READLINK:	560	case EIO_READLINK:
		561	case EIO_REALPATH:
503	if (req->result > 0)	562	if (req->result > 0)
504	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	563	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505	break;	564	break;
506		565
507	case EIO_STAT:	566	case EIO_STAT:
508	case EIO_LSTAT:	567	case EIO_LSTAT:
509	case EIO_FSTAT:	568	case EIO_FSTAT:
510	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	569	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		570
511	PL_laststatval = req->result;	571	if (!(PL_laststatval = req->result))
		572	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
512	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	573	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		574
513	PUSHs (sv_result);	575	PUSHs (sv_result);
		576	break;
		577
		578	case EIO_SEEK:
		579	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514	break;	580	break;
515		581
516	case EIO_READ:	582	case EIO_READ:
517	{	583	{
518	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	584	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
521	SvSETMAGIC (req->sv2);	587	SvSETMAGIC (req->sv2);
522	PUSHs (sv_result);	588	PUSHs (sv_result);
523	}	589	}
524	break;	590	break;
525		591
		592	case EIO_CUSTOM:
		593	if (req->feed == fiemap)
		594	{
		595	#if HAVE_FIEMAP
		596	if (!req->result)
		597	{
		598	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		599
		600	if (fiemap->fm_extent_count)
		601	{
		602	AV *av = newAV ();
		603	int i;
		604
		605	while (fiemap->fm_mapped_extents)
		606	{
		607	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		608	AV *ext_av = newAV ();
		609
		610	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		611	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		612	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		613	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		614
		615	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		616	}
		617
		618	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		619	}
		620	else
		621	{
		622	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		623	PUSHs (sv_result);
		624	}
		625	}
		626	#endif
		627	}
		628	else
		629	PUSHs (sv_result);
		630	break;
		631
526	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	632	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527	if (req->result > 0)	633	if (req->result > 0)
528	SvIV_set (sv_result, 0);	634	SvIV_set (sv_result, 0);
529	/* FALLTHROUGH */	635	/* FALLTHROUGH */
530		636
531	default:	637	default:
…		…
551	}	657	}
552		658
553	return !!SvTRUE (ERRSV);	659	return !!SvTRUE (ERRSV);
554	}	660	}
555		661
		662	static void
556	static void req_destroy (aio_req req)	663	req_destroy (aio_req req)
557	{	664	{
558	if (req->self)	665	if (req->self)
559	{	666	{
560	sv_unmagic (req->self, PERL_MAGIC_ext);	667	sv_unmagic (req->self, PERL_MAGIC_ext);
561	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
562	}	669	}
563		670
564	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
565	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
566	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
567		676
568	Safefree (req);	677	free (req);
569	}	678	}
570		679
		680	static void
571	static void req_cancel_subs (aio_req grp)	681	req_cancel_subs (aio_req grp)
572	{	682	{
573	aio_req sub;
574
575	if (grp->type != EIO_GROUP)	683	if (grp->type != EIO_GROUP)
576	return;	684	return;
577		685
578	SvREFCNT_dec (grp->sv2);	686	SvREFCNT_dec (grp->sv2);
579	grp->sv2 = 0;	687	grp->sv2 = 0;
580		688
581	eio_grp_cancel (grp);	689	eio_grp_cancel (grp);
582	}	690	}
583		691
584	static void	692	static void ecb_cold
585	create_respipe (void)	693	create_respipe (void)
586	{	694	{
587	if (s_epipe_renew (&respipe))	695	if (s_epipe_renew (&respipe))
588	croak ("IO::AIO: unable to initialize result pipe");	696	croak ("IO::AIO: unable to initialize result pipe");
589	}	697	}
590		698
591	static void poll_wait (void)	699	static void
		700	poll_wait (void)
592	{	701	{
593	while (eio_nreqs ())	702	while (eio_nreqs ())
594	{	703	{
595	int size;	704	int size;
596		705
…		…
605		714
606	s_epipe_wait (&respipe);	715	s_epipe_wait (&respipe);
607	}	716	}
608	}	717	}
609		718
610	static int poll_cb (void)	719	static int
		720	poll_cb (void)
611	{	721	{
612	for (;;)	722	for (;;)
613	{	723	{
614	int res = eio_poll ();	724	int res = eio_poll ();
615		725
…		…
621		731
622	poll_wait ();	732	poll_wait ();
623	}	733	}
624	}	734	}
625		735
626	static void atfork_child (void)	736	static void ecb_cold
		737	reinit (void)
627	{	738	{
628	create_respipe ();	739	create_respipe ();
		740
		741	if (eio_init (want_poll, done_poll) < 0)
		742	croak ("IO::AIO: unable to initialise eio library");
629	}	743	}
630		744
631	/*****************************************************************************/	745	/*****************************************************************************/
632		746
633	#if !_POSIX_MAPPED_FILES	747	#if !_POSIX_MAPPED_FILES
634	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
635	# define munmap(addr,length) (errno = ENOSYS, -1)	749	# define munmap(addr,length) EIO_ENOSYS ()
		750	#endif
		751
		752	#if !_POSIX_MEMORY_PROTECTION
		753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		754	# define PROT_NONE 0
		755	# define PROT_WRITE 0
		756	# define MAP_PRIVATE 0
		757	# define MAP_SHARED 0
		758	# define MAP_FIXED 0
636	#endif	759	#endif
637		760
638	#define MMAP_MAGIC PERL_MAGIC_ext	761	#define MMAP_MAGIC PERL_MAGIC_ext
639		762
640	static int	763	static int ecb_cold
641	mmap_free (pTHX_ SV *sv, MAGIC *mg)	764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
642	{	765	{
643	int old_errno = errno;	766	int old_errno = errno;
644	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645	errno = old_errno;	768	errno = old_errno;
…		…
669	{	792	{
670	SvGETMAGIC (cb_sv);	793	SvGETMAGIC (cb_sv);
671	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672	}	795	}
673		796
		797	static aio_req ecb_noinline
		798	dreq (SV *callback)
		799	{
		800	SV *cb_cv;
		801	aio_req req;
		802	int req_pri = next_pri;
		803	next_pri = EIO_PRI_DEFAULT;
		804
		805	cb_cv = get_cb (callback);
		806
		807	req = calloc (sizeof (*req), 1);
		808	if (!req)
		809	croak ("out of memory during eio_req allocation");
		810
		811	req->callback = SvREFCNT_inc (cb_cv);
		812	req->pri = req_pri;
		813
		814	return req;
		815	}
		816
674	#define dREQ \	817	#define dREQ \
675	SV *cb_cv; \	818	aio_req req = dreq (callback); \
676	aio_req req; \
677	int req_pri = next_pri; \
678	next_pri = EIO_PRI_DEFAULT; \
679	\
680	cb_cv = get_cb (callback); \
681	\
682	Newz (0, req, 1, eio_req); \
683	if (!req) \
684	croak ("out of memory during eio_req allocation"); \
685	\
686	req->callback = SvREFCNT_inc (cb_cv); \
687	req->pri = req_pri
688		819
689	#define REQ_SEND \	820	#define REQ_SEND \
690	PUTBACK; \	821	PUTBACK; \
691	req_submit (req); \	822	req_submit (req); \
692	SPAGAIN; \	823	SPAGAIN; \
693	\	824	\
694	if (GIMME_V != G_VOID) \	825	if (GIMME_V != G_VOID) \
695	XPUSHs (req_sv (req, aio_req_stash));	826	XPUSHs (req_sv (req, aio_req_stash));
696		827
		828	ecb_inline void
		829	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		830	{
		831	if (expect_false (SvROK (path)))
		832	{
		833	SV *rv = SvRV (path);
		834	SV *wdob;
		835
		836	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		837	{
		838	path = AvARRAY (rv)[1];
		839	wdob = AvARRAY (rv)[0];
		840
		841	if (SvOK (wdob))
		842	{
		843	*wd = SvAIO_WD (wdob);
		844	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		845	}
		846	else
		847	*wd = EIO_INVALID_WD;
		848	}
		849	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		850	{
		851	*wd = (aio_wd)(long)SvIVX (rv);
		852	*wdsv = SvREFCNT_inc_NN (rv);
		853	*ptr = ".";
		854	return; /* path set to "." */
		855	}
		856	else
		857	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		858	}
		859
		860	*pathsv = newSVsv (path);
		861	*ptr = SvPVbyte_nolen (*pathsv);
		862	}
		863
		864	static void ecb_noinline
		865	req_set_path1 (aio_req req, SV *path)
		866	{
		867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		868	}
		869
		870	static void ecb_noinline
		871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		872	{
		873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		874
		875	switch (SvTYPE (rv))
		876	{
		877	case SVt_PVIO:
		878	case SVt_PVLV:
		879	case SVt_PVGV:
		880	req->type = type_fh;
		881	req->sv1 = newSVsv (fh_or_path);
		882	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		883	break;
		884
		885	default:
		886	req->type = type_path;
		887	req_set_path1 (req, fh_or_path);
		888	break;
		889	}
		890	}
		891
		892	XS(boot_IO__AIO) ecb_cold;
		893
697	MODULE = IO::AIO PACKAGE = IO::AIO	894	MODULE = IO::AIO PACKAGE = IO::AIO
698		895
699	PROTOTYPES: ENABLE	896	PROTOTYPES: ENABLE
700		897
701	BOOT:	898	BOOT:
…		…
705	IV iv;	902	IV iv;
706	} *civ, const_iv[] = {	903	} *civ, const_iv[] = {
707	# define const_niv(name, value) { # name, (IV) value },	904	# define const_niv(name, value) { # name, (IV) value },
708	# define const_iv(name) { # name, (IV) name },	905	# define const_iv(name) { # name, (IV) name },
709	# define const_eio(name) { # name, (IV) EIO_ ## name },	906	# define const_eio(name) { # name, (IV) EIO_ ## name },
		907
		908	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		909
		910	const_iv (ENOSYS)
710	const_iv (EXDEV)	911	const_iv (EXDEV)
711	const_iv (ENOSYS)	912	const_iv (EBADR)
		913
712	const_iv (O_RDONLY)	914	const_iv (O_RDONLY)
713	const_iv (O_WRONLY)	915	const_iv (O_WRONLY)
714	const_iv (O_RDWR)	916	const_iv (O_RDWR)
715	const_iv (O_CREAT)	917	const_iv (O_CREAT)
716	const_iv (O_TRUNC)	918	const_iv (O_TRUNC)
717	const_iv (O_EXCL)	919	const_iv (O_EXCL)
718	const_iv (O_APPEND)	920	const_iv (O_APPEND)
719	#ifndef _WIN32	921
		922	const_iv (O_ASYNC)
		923	const_iv (O_DIRECT)
		924	const_iv (O_NOATIME)
		925
		926	const_iv (O_CLOEXEC)
		927	const_iv (O_NOCTTY)
		928	const_iv (O_NOFOLLOW)
		929	const_iv (O_NONBLOCK)
		930	const_iv (O_EXEC)
		931	const_iv (O_SEARCH)
		932	const_iv (O_DIRECTORY)
		933	const_iv (O_DSYNC)
		934	const_iv (O_RSYNC)
		935	const_iv (O_SYNC)
		936	const_iv (O_TTY_INIT)
		937
720	const_iv (S_IFIFO)	938	const_iv (S_IFIFO)
721	#endif	939	const_iv (S_IFCHR)
		940	const_iv (S_IFBLK)
		941	const_iv (S_IFLNK)
		942	const_iv (S_IFREG)
		943	const_iv (S_IFDIR)
		944	const_iv (S_IFWHT)
		945	const_iv (S_IFSOCK)
		946	const_iv (S_IFMT)
		947
722	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	948	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
723	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	949	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
724	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	950	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
725	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	951	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
726	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	952	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
743	const_iv (ST_IMMUTABLE)	969	const_iv (ST_IMMUTABLE)
744	const_iv (ST_NOATIME)	970	const_iv (ST_NOATIME)
745	const_iv (ST_NODIRATIME)	971	const_iv (ST_NODIRATIME)
746	const_iv (ST_RELATIME)	972	const_iv (ST_RELATIME)
747		973
		974	const_iv (PROT_NONE)
748	const_iv (PROT_EXEC)	975	const_iv (PROT_EXEC)
749	const_iv (PROT_NONE)
750	const_iv (PROT_READ)	976	const_iv (PROT_READ)
751	const_iv (PROT_WRITE)	977	const_iv (PROT_WRITE)
752		978
753	/*const_iv (MAP_FIXED)*/	979	/*const_iv (MAP_FIXED)*/
754	const_iv (MAP_PRIVATE)	980	const_iv (MAP_PRIVATE)
…		…
760	const_iv (MAP_LOCKED)	986	const_iv (MAP_LOCKED)
761	const_iv (MAP_NORESERVE)	987	const_iv (MAP_NORESERVE)
762	const_iv (MAP_POPULATE)	988	const_iv (MAP_POPULATE)
763	const_iv (MAP_NONBLOCK)	989	const_iv (MAP_NONBLOCK)
764		990
		991	const_iv (FIEMAP_FLAG_SYNC)
		992	const_iv (FIEMAP_FLAG_XATTR)
		993	const_iv (FIEMAP_FLAGS_COMPAT)
		994	const_iv (FIEMAP_EXTENT_LAST)
		995	const_iv (FIEMAP_EXTENT_UNKNOWN)
		996	const_iv (FIEMAP_EXTENT_DELALLOC)
		997	const_iv (FIEMAP_EXTENT_ENCODED)
		998	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		999	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1000	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1001	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1002	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1003	const_iv (FIEMAP_EXTENT_MERGED)
		1004	const_iv (FIEMAP_EXTENT_SHARED)
		1005
		1006	const_iv (SPLICE_F_MOVE)
		1007	const_iv (SPLICE_F_NONBLOCK)
		1008	const_iv (SPLICE_F_MORE)
		1009	const_iv (SPLICE_F_GIFT)
		1010
		1011	const_iv (SEEK_DATA)
		1012	const_iv (SEEK_HOLE)
		1013
		1014	/* libeio constants */
		1015	const_eio (SEEK_SET)
		1016	const_eio (SEEK_CUR)
		1017	const_eio (SEEK_END)
		1018
765	const_iv (MCL_FUTURE)	1019	const_eio (MCL_FUTURE)
766	const_iv (MCL_CURRENT)	1020	const_eio (MCL_CURRENT)
767		1021
768	const_eio (MS_ASYNC)	1022	const_eio (MS_ASYNC)
769	const_eio (MS_INVALIDATE)	1023	const_eio (MS_INVALIDATE)
770	const_eio (MS_SYNC)	1024	const_eio (MS_SYNC)
771		1025
772	const_eio (MT_MODIFY)	1026	const_eio (MT_MODIFY)
773		1027
774	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1028	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775	const_eio (SYNC_FILE_RANGE_WRITE)	1029	const_eio (SYNC_FILE_RANGE_WRITE)
776	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1031
		1032	const_eio (FALLOC_FL_KEEP_SIZE)
		1033	const_eio (FALLOC_FL_PUNCH_HOLE)
777		1034
778	const_eio (READDIR_DENTS)	1035	const_eio (READDIR_DENTS)
779	const_eio (READDIR_DIRS_FIRST)	1036	const_eio (READDIR_DIRS_FIRST)
780	const_eio (READDIR_STAT_ORDER)	1037	const_eio (READDIR_STAT_ORDER)
781	const_eio (READDIR_FOUND_UNKNOWN)	1038	const_eio (READDIR_FOUND_UNKNOWN)
…		…
792	};	1049	};
793		1050
794	aio_stash = gv_stashpv ("IO::AIO" , 1);	1051	aio_stash = gv_stashpv ("IO::AIO" , 1);
795	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1052	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1053	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1054	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797		1055
798	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1056	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
799	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1057	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800		1058
801	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802		1060
803	create_respipe ();	1061	reinit ();
804
805	if (eio_init (want_poll, done_poll) < 0)
806	croak ("IO::AIO: unable to initialise eio library");
807
808	/* atfork child called in fifo order, so before eio's handler */
809	X_THREAD_ATFORK (0, 0, atfork_child);
810	}	1062	}
811		1063
812	void	1064	void
		1065	reinit ()
		1066	PROTOTYPE:
		1067
		1068	void
813	max_poll_reqs (int nreqs)	1069	max_poll_reqs (unsigned int nreqs)
814	PROTOTYPE: $	1070	PROTOTYPE: $
815	CODE:	1071	CODE:
816	eio_set_max_poll_reqs (nreqs);	1072	eio_set_max_poll_reqs (nreqs);
817		1073
818	void	1074	void
…		…
820	PROTOTYPE: $	1076	PROTOTYPE: $
821	CODE:	1077	CODE:
822	eio_set_max_poll_time (nseconds);	1078	eio_set_max_poll_time (nseconds);
823		1079
824	void	1080	void
825	min_parallel (int nthreads)	1081	min_parallel (unsigned int nthreads)
826	PROTOTYPE: $	1082	PROTOTYPE: $
827	CODE:	1083	CODE:
828	eio_set_min_parallel (nthreads);	1084	eio_set_min_parallel (nthreads);
829		1085
830	void	1086	void
831	max_parallel (int nthreads)	1087	max_parallel (unsigned int nthreads)
832	PROTOTYPE: $	1088	PROTOTYPE: $
833	CODE:	1089	CODE:
834	eio_set_max_parallel (nthreads);	1090	eio_set_max_parallel (nthreads);
835		1091
836	void	1092	void
837	max_idle (int nthreads)	1093	max_idle (unsigned int nthreads)
838	PROTOTYPE: $	1094	PROTOTYPE: $
839	CODE:	1095	CODE:
840	eio_set_max_idle (nthreads);	1096	eio_set_max_idle (nthreads);
841		1097
842	void	1098	void
		1099	idle_timeout (unsigned int seconds)
		1100	PROTOTYPE: $
		1101	CODE:
		1102	eio_set_idle_timeout (seconds);
		1103
		1104	void
843	max_outstanding (int maxreqs)	1105	max_outstanding (unsigned int maxreqs)
844	PROTOTYPE: $	1106	PROTOTYPE: $
845	CODE:	1107	CODE:
846	max_outstanding = maxreqs;	1108	max_outstanding = maxreqs;
847		1109
848	void	1110	void
		1111	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1112	PPCODE:
		1113	{
		1114	dREQ;
		1115
		1116	req->type = EIO_WD_OPEN;
		1117	req_set_path1 (req, pathname);
		1118
		1119	REQ_SEND;
		1120	}
		1121
		1122	void
849	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1123	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
850	PROTOTYPE: $$$;$
851	PPCODE:	1124	PPCODE:
852	{	1125	{
853	dREQ;	1126	dREQ;
854		1127
855	req->type = EIO_OPEN;	1128	req->type = EIO_OPEN;
856	req->sv1 = newSVsv (pathname);	1129	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858	req->int1 = flags;	1130	req->int1 = flags;
859	req->int2 = mode;	1131	req->int2 = mode;
860		1132
861	REQ_SEND;	1133	REQ_SEND;
862	}	1134	}
863		1135
864	void	1136	void
865	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
866	PROTOTYPE: $;$
867	ALIAS:	1138	ALIAS:
868	aio_fsync = EIO_FSYNC	1139	aio_fsync = EIO_FSYNC
869	aio_fdatasync = EIO_FDATASYNC	1140	aio_fdatasync = EIO_FDATASYNC
		1141	aio_syncfs = EIO_SYNCFS
870	PPCODE:	1142	PPCODE:
871	{	1143	{
872	int fd = s_fileno_croak (fh, 0);	1144	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1145	dREQ;
874		1146
875	req->type = ix;	1147	req->type = ix;
876	req->sv1 = newSVsv (fh);	1148	req->sv1 = newSVsv (fh);
877	req->int1 = fd;	1149	req->int1 = fd;
878		1150
879	REQ_SEND (req);	1151	REQ_SEND;
880	}	1152	}
881		1153
882	void	1154	void
883	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1155	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
884	PROTOTYPE: $$$$;$
885	PPCODE:	1156	PPCODE:
886	{	1157	{
887	int fd = s_fileno_croak (fh, 0);	1158	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1159	dREQ;
889		1160
890	req->type = EIO_SYNC_FILE_RANGE;	1161	req->type = EIO_SYNC_FILE_RANGE;
891	req->sv1 = newSVsv (fh);	1162	req->sv1 = newSVsv (fh);
892	req->int1 = fd;	1163	req->int1 = fd;
893	req->offs = offset;	1164	req->offs = offset;
894	req->size = nbytes;	1165	req->size = nbytes;
895	req->int2 = flags;	1166	req->int2 = flags;
896		1167
897	REQ_SEND (req);	1168	REQ_SEND;
		1169	}
		1170
		1171	void
		1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1173	PPCODE:
		1174	{
		1175	int fd = s_fileno_croak (fh, 0);
		1176	dREQ;
		1177
		1178	req->type = EIO_FALLOCATE;
		1179	req->sv1 = newSVsv (fh);
		1180	req->int1 = fd;
		1181	req->int2 = mode;
		1182	req->offs = offset;
		1183	req->size = len;
		1184
		1185	REQ_SEND;
898	}	1186	}
899		1187
900	void	1188	void
901	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)
902	PROTOTYPE: $;$
903	PPCODE:	1190	PPCODE:
904	{	1191	{
905	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */
906	int fd = s_fileno_croak (fh, 0);	1193	int fd = s_fileno_croak (fh, 0);
907	dREQ;	1194	dREQ;
908		1195
909	if (close_pipe < 0)	1196	if (expect_false (close_fd < 0))
910	{	1197	{
911	int pipefd [2];	1198	int pipefd [2];
912		1199
		1200	if (
		1201	#ifdef _WIN32
		1202	_pipe (pipefd, 1, _O_BINARY) < 0
		1203	#else
913	if (pipe (pipefd) < 0	1204	pipe (pipefd) < 0
914	|| close (pipefd [1]) < 0
915	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1205	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1206	#endif
		1207	|| close (pipefd [1]) < 0
		1208	)
916	abort (); /*D*/	1209	abort (); /*D*/
917		1210
918	close_pipe = pipefd [0];	1211	close_fd = pipefd [0];
919	}	1212	}
920		1213
921	req->type = EIO_DUP2;	1214	req->type = EIO_DUP2;
922	req->int1 = close_pipe;	1215	req->int1 = close_fd;
923	req->sv2 = newSVsv (fh);	1216	req->sv2 = newSVsv (fh);
924	req->int2 = fd;	1217	req->int2 = fd;
925		1218
926	REQ_SEND (req);	1219	REQ_SEND;
		1220	}
		1221
		1222	void
		1223	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1224	PPCODE:
		1225	{
		1226	int fd = s_fileno_croak (fh, 0);
		1227	dREQ;
		1228
		1229	req->type = EIO_SEEK;
		1230	req->sv1 = newSVsv (fh);
		1231	req->int1 = fd;
		1232	req->offs = SvVAL64 (offset);
		1233	req->int2 = whence;
		1234
		1235	REQ_SEND;
927	}	1236	}
928		1237
929	void	1238	void
930	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1239	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
931	ALIAS:	1240	ALIAS:
932	aio_read = EIO_READ	1241	aio_read = EIO_READ
933	aio_write = EIO_WRITE	1242	aio_write = EIO_WRITE
934	PROTOTYPE: $$$$$;$
935	PPCODE:	1243	PPCODE:
936	{	1244	{
937	STRLEN svlen;	1245	STRLEN svlen;
938	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1246	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939	char *svptr = SvPVbyte (data, svlen);	1247	char *svptr = SvPVbyte (data, svlen);
…		…
953	}	1261	}
954	else	1262	else
955	{	1263	{
956	/* read: check type and grow scalar as necessary */	1264	/* read: check type and grow scalar as necessary */
957	SvUPGRADE (data, SVt_PV);	1265	SvUPGRADE (data, SVt_PV);
		1266	if (SvLEN (data) >= SvCUR (data))
958	svptr = SvGROW (data, len + dataoffset + 1);	1267	svptr = SvGROW (data, len + dataoffset + 1);
		1268	else if (SvCUR (data) < len + dataoffset)
		1269	croak ("length + dataoffset outside of scalar, and cannot grow");
959	}	1270	}
960		1271
961	{	1272	{
962	dREQ;	1273	dREQ;
963		1274
…		…
979	REQ_SEND;	1290	REQ_SEND;
980	}	1291	}
981	}	1292	}
982		1293
983	void	1294	void
984	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
985	PROTOTYPE: $$;$	1296	ALIAS:
		1297	aio_readlink = EIO_READLINK
		1298	aio_realpath = EIO_REALPATH
986	PPCODE:	1299	PPCODE:
987	{	1300	{
988	SV *data;
989	dREQ;	1301	dREQ;
990		1302
991	req->type = EIO_READLINK;	1303	req->type = ix;
992	req->sv1 = newSVsv (path);	1304	req_set_path1 (req, pathname);
993	req->ptr1 = SvPVbyte_nolen (req->sv1);
994		1305
995	REQ_SEND;	1306	REQ_SEND;
996	}	1307	}
997		1308
998	void	1309	void
999	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1310	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1000	PROTOTYPE: $$$$;$
1001	PPCODE:	1311	PPCODE:
1002	{	1312	{
1003	int ifd = s_fileno_croak (in_fh , 0);	1313	int ifd = s_fileno_croak (in_fh , 0);
1004	int ofd = s_fileno_croak (out_fh, 1);	1314	int ofd = s_fileno_croak (out_fh, 1);
1005	dREQ;	1315	dREQ;
1006		1316
1007	req->type = EIO_SENDFILE;	1317	req->type = EIO_SENDFILE;
1008	req->sv1 = newSVsv (out_fh);	1318	req->sv1 = newSVsv (out_fh);
1009	req->int1 = ofd;	1319	req->int1 = ofd;
…		…
1015	REQ_SEND;	1325	REQ_SEND;
1016	}	1326	}
1017		1327
1018	void	1328	void
1019	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1329	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1020	PROTOTYPE: $$$;$
1021	PPCODE:	1330	PPCODE:
1022	{	1331	{
1023	int fd = s_fileno_croak (fh, 0);	1332	int fd = s_fileno_croak (fh, 0);
1024	dREQ;	1333	dREQ;
1025		1334
1026	req->type = EIO_READAHEAD;	1335	req->type = EIO_READAHEAD;
1027	req->sv1 = newSVsv (fh);	1336	req->sv1 = newSVsv (fh);
1028	req->int1 = fd;	1337	req->int1 = fd;
…		…
1040	aio_statvfs = EIO_STATVFS	1349	aio_statvfs = EIO_STATVFS
1041	PPCODE:	1350	PPCODE:
1042	{	1351	{
1043	dREQ;	1352	dREQ;
1044		1353
1045	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047	if (SvPOK (req->sv1))
1048	{
1049	req->type = ix;
1050	req->ptr1 = SvPVbyte_nolen (req->sv1);
1051	}
1052	else
1053	{
1054	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056	}
1057		1355
1058	REQ_SEND;	1356	REQ_SEND;
1059	}	1357	}
		1358
		1359	UV
		1360	major (UV dev)
		1361	ALIAS:
		1362	minor = 1
		1363	CODE:
		1364	RETVAL = ix ? major (dev) : minor (dev);
		1365	OUTPUT:
		1366	RETVAL
		1367
		1368	UV
		1369	makedev (UV maj, UV min)
		1370	CODE:
		1371	RETVAL = makedev (maj, min);
		1372	OUTPUT:
		1373	RETVAL
1060		1374
1061	void	1375	void
1062	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1376	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1063	PPCODE:	1377	PPCODE:
1064	{	1378	{
1065	dREQ;	1379	dREQ;
1066		1380
1067	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1382	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069	req->sv1 = newSVsv (fh_or_path);	1383	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071	if (SvPOK (req->sv1))
1072	{
1073	req->type = EIO_UTIME;
1074	req->ptr1 = SvPVbyte_nolen (req->sv1);
1075	}
1076	else
1077	{
1078	req->type = EIO_FUTIME;
1079	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080	}
1081		1384
1082	REQ_SEND;	1385	REQ_SEND;
1083	}	1386	}
1084		1387
1085	void	1388	void
1086	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1389	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1087	PPCODE:	1390	PPCODE:
1088	{	1391	{
1089	dREQ;	1392	dREQ;
1090		1393
1091	req->sv1 = newSVsv (fh_or_path);
1092	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093		1395	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094	if (SvPOK (req->sv1))
1095	{
1096	req->type = EIO_TRUNCATE;
1097	req->ptr1 = SvPVbyte_nolen (req->sv1);
1098	}
1099	else
1100	{
1101	req->type = EIO_FTRUNCATE;
1102	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103	}
1104		1396
1105	REQ_SEND;	1397	REQ_SEND;
1106	}	1398	}
1107		1399
1108	void	1400	void
1109	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1401	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1110	ALIAS:
1111	aio_chmod = EIO_CHMOD
1112	aio_mkdir = EIO_MKDIR
1113	PPCODE:	1402	PPCODE:
1114	{	1403	{
1115	dREQ;	1404	dREQ;
1116		1405
1117	req->int2 = mode;	1406	req->int2 = mode;
1118	req->sv1 = newSVsv (fh_or_path);	1407	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120	if (SvPOK (req->sv1))
1121	{
1122	req->type = ix;
1123	req->ptr1 = SvPVbyte_nolen (req->sv1);
1124	}
1125	else
1126	{
1127	req->type = EIO_FCHMOD;
1128	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129	}
1130		1408
1131	REQ_SEND;	1409	REQ_SEND;
1132	}	1410	}
1133		1411
1134	void	1412	void
…		…
1137	{	1415	{
1138	dREQ;	1416	dREQ;
1139		1417
1140	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1419	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142	req->sv1 = newSVsv (fh_or_path);	1420	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144	if (SvPOK (req->sv1))
1145	{
1146	req->type = EIO_CHOWN;
1147	req->ptr1 = SvPVbyte_nolen (req->sv1);
1148	}
1149	else
1150	{
1151	req->type = EIO_FCHOWN;
1152	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153	}
1154		1421
1155	REQ_SEND;	1422	REQ_SEND;
1156	}	1423	}
1157		1424
1158	void	1425	void
…		…
1160	PPCODE:	1427	PPCODE:
1161	{	1428	{
1162	dREQ;	1429	dREQ;
1163		1430
1164	req->type = EIO_READDIR;	1431	req->type = EIO_READDIR;
1165	req->sv1 = newSVsv (pathname);
1166	req->ptr1 = SvPVbyte_nolen (req->sv1);
1167	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1432	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168		1433
1169	if (flags & EIO_READDIR_DENTS)	1434	if (flags & EIO_READDIR_DENTS)
1170	req->int1 |= EIO_READDIR_CUSTOM2;	1435	req->int1 |= EIO_READDIR_CUSTOM2;
1171		1436
		1437	req_set_path1 (req, pathname);
		1438
1172	REQ_SEND;	1439	REQ_SEND;
		1440	}
		1441
		1442	void
		1443	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1444	PPCODE:
		1445	{
		1446	dREQ;
		1447
		1448	req->type = EIO_MKDIR;
		1449	req->int2 = mode;
		1450	req_set_path1 (req, pathname);
		1451
		1452	REQ_SEND;
1173	}	1453	}
1174		1454
1175	void	1455	void
1176	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1177	ALIAS:	1457	ALIAS:
…		…
1181	PPCODE:	1461	PPCODE:
1182	{	1462	{
1183	dREQ;	1463	dREQ;
1184		1464
1185	req->type = ix;	1465	req->type = ix;
1186	req->sv1 = newSVsv (pathname);	1466	req_set_path1 (req, pathname);
1187	req->ptr1 = SvPVbyte_nolen (req->sv1);
1188		1467
1189	REQ_SEND;	1468	REQ_SEND;
1190	}	1469	}
1191		1470
1192	void	1471	void
…		…
1195	aio_link = EIO_LINK	1474	aio_link = EIO_LINK
1196	aio_symlink = EIO_SYMLINK	1475	aio_symlink = EIO_SYMLINK
1197	aio_rename = EIO_RENAME	1476	aio_rename = EIO_RENAME
1198	PPCODE:	1477	PPCODE:
1199	{	1478	{
		1479	eio_wd wd2 = 0;
1200	dREQ;	1480	dREQ;
1201		1481
1202	req->type = ix;	1482	req->type = ix;
1203	req->sv1 = newSVsv (oldpath);	1483	req_set_path1 (req, oldpath);
1204	req->ptr1 = SvPVbyte_nolen (req->sv1);	1484	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205	req->sv2 = newSVsv (newpath);	1485	req->int3 = (long)wd2;
1206	req->ptr2 = SvPVbyte_nolen (req->sv2);
1207		1486
1208	REQ_SEND;	1487	REQ_SEND;
1209	}	1488	}
1210		1489
1211	void	1490	void
…		…
1213	PPCODE:	1492	PPCODE:
1214	{	1493	{
1215	dREQ;	1494	dREQ;
1216		1495
1217	req->type = EIO_MKNOD;	1496	req->type = EIO_MKNOD;
1218	req->sv1 = newSVsv (pathname);
1219	req->ptr1 = SvPVbyte_nolen (req->sv1);
1220	req->int2 = (mode_t)mode;	1497	req->int2 = (mode_t)mode;
1221	req->offs = dev;	1498	req->offs = dev;
		1499	req_set_path1 (req, pathname);
1222		1500
1223	REQ_SEND;	1501	REQ_SEND;
1224	}	1502	}
1225		1503
1226	void	1504	void
1227	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1505	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1228	ALIAS:	1506	ALIAS:
1229	aio_mtouch = EIO_MTOUCH	1507	aio_mtouch = EIO_MTOUCH
1230	aio_msync = EIO_MSYNC	1508	aio_msync = EIO_MSYNC
1231	PROTOTYPE: $$$$;$
1232	PPCODE:	1509	PPCODE:
1233	{	1510	{
1234	STRLEN svlen;	1511	STRLEN svlen;
		1512	char *svptr = SvPVbyte (data, svlen);
1235	UV len = SvUV (length);	1513	UV len = SvUV (length);
1236	char *svptr = SvPVbyte (data, svlen);
1237		1514
1238	if (offset < 0)	1515	if (offset < 0)
1239	offset += svlen;	1516	offset += svlen;
1240		1517
1241	if (offset < 0 || offset > svlen)	1518	if (offset < 0 || offset > svlen)
…		…
1246		1523
1247	{	1524	{
1248	dREQ;	1525	dREQ;
1249		1526
1250	req->type = ix;	1527	req->type = ix;
1251	req->size = len;
1252	req->sv2 = SvREFCNT_inc (data);	1528	req->sv2 = SvREFCNT_inc (data);
1253	req->ptr2 = (char *)svptr + offset;	1529	req->ptr2 = (char *)svptr + offset;
		1530	req->size = len;
1254	req->int1 = flags;	1531	req->int1 = flags;
1255		1532
1256	REQ_SEND;	1533	REQ_SEND;
1257	}	1534	}
1258	}	1535	}
1259		1536
1260	void	1537	void
		1538	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1539	PPCODE:
		1540	{
		1541	STRLEN svlen;
		1542	char *svptr = SvPVbyte (data, svlen);
		1543	UV len = SvUV (length);
		1544
		1545	if (offset < 0)
		1546	offset += svlen;
		1547
		1548	if (offset < 0 || offset > svlen)
		1549	croak ("offset outside of scalar");
		1550
		1551	if (!SvOK (length) || len + offset > svlen)
		1552	len = svlen - offset;
		1553
		1554	{
		1555	dREQ;
		1556
		1557	req->type = EIO_MLOCK;
		1558	req->sv2 = SvREFCNT_inc (data);
		1559	req->ptr2 = (char *)svptr + offset;
		1560	req->size = len;
		1561
		1562	REQ_SEND;
		1563	}
		1564	}
		1565
		1566	void
		1567	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1568	PPCODE:
		1569	{
		1570	dREQ;
		1571
		1572	req->type = EIO_MLOCKALL;
		1573	req->int1 = flags;
		1574
		1575	REQ_SEND;
		1576	}
		1577
		1578	void
		1579	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1580	PPCODE:
		1581	{
		1582	int fd = s_fileno_croak (fh, 0);
		1583	dREQ;
		1584
		1585	req->type = EIO_CUSTOM;
		1586	req->sv1 = newSVsv (fh);
		1587	req->int1 = fd;
		1588
		1589	req->feed = fiemap;
		1590	#if HAVE_FIEMAP
		1591	/* keep our fingers crossed that the next two types are 64 bit */
		1592	req->offs = start;
		1593	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1594	req->int2 = flags;
		1595	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1596	#endif
		1597
		1598	REQ_SEND;
		1599	}
		1600
		1601	void
1261	aio_busy (double delay, SV *callback=&PL_sv_undef)	1602	aio_busy (double delay, SV *callback=&PL_sv_undef)
1262	PPCODE:	1603	PPCODE:
1263	{	1604	{
1264	dREQ;	1605	dREQ;
1265		1606
…		…
1269	REQ_SEND;	1610	REQ_SEND;
1270	}	1611	}
1271		1612
1272	void	1613	void
1273	aio_group (SV *callback=&PL_sv_undef)	1614	aio_group (SV *callback=&PL_sv_undef)
1274	PROTOTYPE: ;$
1275	PPCODE:	1615	PPCODE:
1276	{	1616	{
1277	dREQ;	1617	dREQ;
1278		1618
1279	req->type = EIO_GROUP;	1619	req->type = EIO_GROUP;
1280		1620
		1621	PUTBACK;
1281	req_submit (req);	1622	req_submit (req);
		1623	SPAGAIN;
		1624
1282	XPUSHs (req_sv (req, aio_grp_stash));	1625	XPUSHs (req_sv (req, aio_grp_stash));
1283	}	1626	}
1284		1627
1285	void	1628	void
1286	aio_nop (SV *callback=&PL_sv_undef)	1629	aio_nop (SV *callback=&PL_sv_undef)
…		…
1296	REQ_SEND;	1639	REQ_SEND;
1297	}	1640	}
1298		1641
1299	int	1642	int
1300	aioreq_pri (int pri = 0)	1643	aioreq_pri (int pri = 0)
1301	PROTOTYPE: ;$
1302	CODE:	1644	CODE:
1303	RETVAL = next_pri;	1645	RETVAL = next_pri;
1304	if (items > 0)	1646	if (items > 0)
1305	{	1647	{
1306	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1648	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1318	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1660	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319	next_pri = nice;	1661	next_pri = nice;
1320		1662
1321	void	1663	void
1322	flush ()	1664	flush ()
1323	PROTOTYPE:
1324	CODE:	1665	CODE:
1325	while (eio_nreqs ())	1666	while (eio_nreqs ())
1326	{	1667	{
1327	poll_wait ();	1668	poll_wait ();
1328	poll_cb ();	1669	poll_cb ();
1329	}	1670	}
1330		1671
1331	int	1672	int
1332	poll()	1673	poll ()
1333	PROTOTYPE:
1334	CODE:	1674	CODE:
1335	poll_wait ();	1675	poll_wait ();
1336	RETVAL = poll_cb ();	1676	RETVAL = poll_cb ();
1337	OUTPUT:	1677	OUTPUT:
1338	RETVAL	1678	RETVAL
1339		1679
1340	int	1680	int
1341	poll_fileno()	1681	poll_fileno ()
1342	PROTOTYPE:
1343	CODE:	1682	CODE:
1344	RETVAL = s_epipe_fd (&respipe);	1683	RETVAL = s_epipe_fd (&respipe);
1345	OUTPUT:	1684	OUTPUT:
1346	RETVAL	1685	RETVAL
1347		1686
1348	int	1687	int
1349	poll_cb(...)	1688	poll_cb (...)
1350	PROTOTYPE:	1689	PROTOTYPE:
1351	CODE:	1690	CODE:
1352	RETVAL = poll_cb ();	1691	RETVAL = poll_cb ();
1353	OUTPUT:	1692	OUTPUT:
1354	RETVAL	1693	RETVAL
1355		1694
1356	void	1695	void
1357	poll_wait()	1696	poll_wait ()
1358	PROTOTYPE:
1359	CODE:	1697	CODE:
1360	poll_wait ();	1698	poll_wait ();
1361		1699
1362	int	1700	int
1363	nreqs()	1701	nreqs ()
1364	PROTOTYPE:
1365	CODE:	1702	CODE:
1366	RETVAL = eio_nreqs ();	1703	RETVAL = eio_nreqs ();
1367	OUTPUT:	1704	OUTPUT:
1368	RETVAL	1705	RETVAL
1369		1706
1370	int	1707	int
1371	nready()	1708	nready ()
1372	PROTOTYPE:
1373	CODE:	1709	CODE:
1374	RETVAL = eio_nready ();	1710	RETVAL = eio_nready ();
1375	OUTPUT:	1711	OUTPUT:
1376	RETVAL	1712	RETVAL
1377		1713
1378	int	1714	int
1379	npending()	1715	npending ()
1380	PROTOTYPE:
1381	CODE:	1716	CODE:
1382	RETVAL = eio_npending ();	1717	RETVAL = eio_npending ();
1383	OUTPUT:	1718	OUTPUT:
1384	RETVAL	1719	RETVAL
1385		1720
1386	int	1721	int
1387	nthreads()	1722	nthreads ()
1388	PROTOTYPE:
1389	CODE:	1723	CODE:
1390	RETVAL = eio_nthreads ();	1724	RETVAL = eio_nthreads ();
1391	OUTPUT:	1725	OUTPUT:
1392	RETVAL	1726	RETVAL
1393		1727
1394	int	1728	int
1395	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1729	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396	PROTOTYPE: $$$$
1397	CODE:	1730	CODE:
1398	RETVAL = posix_fadvise (fh, offset, length, advice);	1731	RETVAL = posix_fadvise (fh, offset, length, advice);
1399	OUTPUT:	1732	OUTPUT:
1400	RETVAL	1733	RETVAL
1401		1734
1402	ssize_t	1735	IV
1403	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1736	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404	PROTOTYPE: $$$$
1405	CODE:	1737	CODE:
1406	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1738	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407	OUTPUT:	1739	OUTPUT:
1408	RETVAL	1740	RETVAL
1409		1741
1410	void	1742	void
1411	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1743	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412	PROTOTYPE: $$$$$;$
1413	PPCODE:	1744	PPCODE:
1414	sv_unmagic (scalar, MMAP_MAGIC);	1745	sv_unmagic (scalar, MMAP_MAGIC);
1415	{	1746	{
1416	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1747	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1748	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1440	XSRETURN_YES;	1771	XSRETURN_YES;
1441	}	1772	}
1442		1773
1443	void	1774	void
1444	munmap (SV *scalar)	1775	munmap (SV *scalar)
1445	PROTOTYPE: $
1446	CODE:	1776	CODE:
1447	sv_unmagic (scalar, MMAP_MAGIC);	1777	sv_unmagic (scalar, MMAP_MAGIC);
1448		1778
1449	int	1779	int
1450	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1780	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1451	PROTOTYPE: $$$$	1781	ALIAS:
		1782	mprotect = 1
1452	CODE:	1783	CODE:
1453	{	1784	{
1454	char *addr = SvPV_nolen (scalar) + offset;	1785	STRLEN svlen;
		1786	void *addr = SvPVbyte (scalar, svlen);
		1787	size_t len = SvUV (length);
1455		1788
1456	if (!SvOK (ST (2)))	1789	if (offset < 0)
		1790	offset += svlen;
		1791
		1792	if (offset < 0 || offset > svlen)
		1793	croak ("offset outside of scalar");
		1794
		1795	if (!SvOK (length) || len + offset > svlen)
1457	length = SvCUR (scalar) - offset;	1796	len = svlen - offset;
1458		1797
1459	if (addr >= SvEND (scalar) || length <= 0)	1798	addr = (void *)(((intptr_t)addr) + offset);
1460	XSRETURN_EMPTY;	1799	eio_page_align (&addr, &len);
1461		1800
		1801	switch (ix)
		1802	{
1462	RETVAL = posix_madvise (addr, length, advice);	1803	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1804	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1805	}
1463	}	1806	}
1464	OUTPUT:	1807	OUTPUT:
1465	RETVAL	1808	RETVAL
1466		1809
1467	int	1810	int
1468	mlockall (int flags)	1811	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1812	CODE:
		1813	{
		1814	STRLEN svlen;
		1815	void *addr = SvPVbyte (scalar, svlen);
		1816	size_t len = SvUV (length);
		1817
		1818	if (offset < 0)
		1819	offset += svlen;
		1820
		1821	if (offset < 0 || offset > svlen)
		1822	croak ("offset outside of scalar");
		1823
		1824	if (!SvOK (length) || len + offset > svlen)
		1825	len = svlen - offset;
		1826
		1827	addr = (void *)(((intptr_t)addr) + offset);
		1828	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1829	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1830	RETVAL = munlock (addr, len);
1473	extern int mallopt (int, int);
1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475	#endif
1476	mlockall (flags);
1477	#else	1831	#else
1478	RETVAL = -1;	1832	RETVAL = EIO_ENOSYS ();
1479	errno = ENOSYS;
1480	#endif	1833	#endif
		1834	}
1481	OUTPUT:	1835	OUTPUT:
1482	RETVAL	1836	RETVAL
1483		1837
1484	int	1838	int
1485	munlockall ()	1839	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1840	CODE:
1488	#if _POSIX_MEMLOCK	1841	#if _POSIX_MEMLOCK
1489	munlockall ();	1842	munlockall ();
1490	#else	1843	#else
		1844	RETVAL = EIO_ENOSYS ();
		1845	#endif
		1846	OUTPUT:
		1847	RETVAL
		1848
		1849	int
		1850	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1851	CODE:
		1852	{
		1853	#if HAVE_LINUX_SPLICE
		1854	loff_t off_in_, off_out_;
		1855	RETVAL = splice (
		1856	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1857	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1858	length, flags
		1859	);
		1860	#else
		1861	RETVAL = EIO_ENOSYS ();
		1862	#endif
		1863	}
		1864	OUTPUT:
		1865	RETVAL
		1866
		1867	int
		1868	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1869	CODE:
		1870	#if HAVE_LINUX_SPLICE
		1871	RETVAL = tee (rfh, wfh, length, flags);
		1872	#else
		1873	RETVAL = EIO_ENOSYS ();
		1874	#endif
		1875	OUTPUT:
		1876	RETVAL
		1877
		1878	int
		1879	pipesize (aio_rfd rfh, int new_size = -1)
		1880	PROTOTYPE: $;$
		1881	CODE:
		1882	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1883	if (new_size >= 0)
		1884	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1885	else
		1886	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1887	#else
		1888	errno = ENOSYS;
1491	RETVAL = -1;	1889	RETVAL = -1;
1492	errno = ENOSYS;
1493	#endif	1890	#endif
1494	OUTPUT:	1891	OUTPUT:
1495	RETVAL	1892	RETVAL
1496		1893
1497	void _on_next_submit (SV *cb)	1894	void _on_next_submit (SV *cb)
…		…
1499	SvREFCNT_dec (on_next_submit);	1896	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1897	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		1898
1502	PROTOTYPES: DISABLE	1899	PROTOTYPES: DISABLE
1503		1900
		1901	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1902
		1903	BOOT:
		1904	{
		1905	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1906	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1907	}
		1908
		1909	void
		1910	DESTROY (SV *self)
		1911	CODE:
		1912	{
		1913	aio_wd wd = SvAIO_WD (self);
		1914	#if HAVE_AT
		1915	{
		1916	SV *callback = &PL_sv_undef;
		1917	dREQ; /* clobbers next_pri :/ */
		1918	next_pri = req->pri; /* restore next_pri */
		1919	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1920	req->type = EIO_WD_CLOSE;
		1921	req->wd = wd;
		1922	REQ_SEND;
		1923	}
		1924	#else
		1925	eio_wd_close_sync (wd);
		1926	#endif
		1927	}
		1928
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1929	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		1930
1506	void	1931	void
1507	cancel (aio_req_ornot req)	1932	cancel (aio_req_ornot req)
1508	CODE:	1933	CODE:

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