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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.229 by root, Fri Apr 11 05:19:40 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	/* 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
23	#endif	35	#endif
24		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/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	128	static void req_destroy (eio_req *grp);
128	#endif	129	#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		130
145	#ifndef POSIX_MADV_NORMAL	131	#include "libeio/eio.c"
146	# define POSIX_MADV_NORMAL 0
147	# define NO_MADVISE 1
148	#endif
149	#ifndef POSIX_MADV_SEQUENTIAL
150	# define POSIX_MADV_SEQUENTIAL 0
151	#endif
152	#ifndef POSIX_MADV_RANDOM
153	# define POSIX_MADV_RANDOM 0
154	#endif
155	#ifndef POSIX_MADV_WILLNEED
156	# define POSIX_MADV_WILLNEED 0
157	#endif
158	#ifndef POSIX_MADV_DONTNEED
159	# define POSIX_MADV_DONTNEED 0
160	#endif
161		132
162	#ifndef ST_NODEV	133	#if !HAVE_POSIX_FADVISE
163	# define ST_NODEV 0	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
164	#endif	135	#endif
165	#ifndef ST_NOEXEC
166	# define ST_NOEXEC 0
167	#endif
168	#ifndef ST_SYNCHRONOUS
169	# define ST_SYNCHRONOUS 0
170	#endif
171	#ifndef ST_MANDLOCK
172	# define ST_MANDLOCK 0
173	#endif
174	#ifndef ST_WRITE
175	# define ST_WRITE 0
176	#endif
177	#ifndef ST_APPEND
178	# define ST_APPEND 0
179	#endif
180	#ifndef ST_IMMUTABLE
181	# define ST_IMMUTABLE 0
182	#endif
183	#ifndef ST_NOATIME
184	# define ST_NOATIME 0
185	#endif
186	#ifndef ST_NODIRATIME
187	# define ST_NODIRATIME 0
188	#endif
189	#ifndef ST_RELATIME
190	# define ST_RELATIME 0
191	#endif
192		136
193	#ifndef MCL_CURRENT	137	#if !HAVE_POSIX_MADVISE
194	# define MCL_CURRENT 0	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
195	#endif
196	#ifndef MCL_FUTURE
197	# define MCL_FUTURE 0
198	#endif	139	#endif
199		140
200	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
201	# ifdef MAP_ANON	142	# ifdef MAP_ANON
202	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
203	# else	144	# else
204	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205	# endif	146	# endif
206	#endif	147	#endif
207	#ifndef MAP_HUGETLB
208	# define MAP_HUGETLB 0
209	#endif
210	#ifndef MAP_LOCKED
211	# define MAP_LOCKED 0
212	#endif
213	#ifndef MAP_NORESERVE
214	# define MAP_NORESERVE 0
215	#endif
216	#ifndef MAP_POPULATE
217	# define MAP_POPULATE 0
218	#endif
219	#ifndef MAP_NONBLOCK
220	# define MAP_NONBLOCK 0
221	#endif
222		148
223	#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
224	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
225	#endif	164	#endif
226		165
227	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
228	#define EIO_FINISH(req) req_invoke (req)	167
229	static void req_destroy (eio_req *grp);	168	static void
230	#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	/*****************************************************************************/
231		265
232	enum {	266	enum {
233	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
234	};	268	};
235		269
236	#include "libeio/eio.c"
237
238	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
239	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
240		273
241	static SV *on_next_submit;	274	static SV *on_next_submit;
242	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
243	static int max_outstanding;	276	static int max_outstanding;
244		277
245	static s_epipe respipe;	278	static s_epipe respipe;
246		279
247	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
248	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
249		282
250	static void want_poll (void)	283	static void
		284	want_poll (void)
251	{	285	{
252	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
253	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
254	}	288	}
255		289
256	static void done_poll (void)	290	static void
		291	done_poll (void)
257	{	292	{
258	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
259	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
260	}	295	}
261		296
262	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
263	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
264	{	300	{
265	if (!req->self)	301	if (!req->self)
266	{	302	{
267	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
268	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
269	}	305	}
270		306
271	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
272	}	308	}
273		309
274	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
275	{	318	{
276	MAGIC *mg;	319	MAGIC *mg;
277		320
278	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
280	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
281	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
282	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
283		327
284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
285		329
286	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
287	}	331	}
288		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
289	static void aio_grp_feed (aio_req grp)	345	aio_grp_feed (aio_req grp)
290	{	346	{
291	if (grp->sv2 && SvOK (grp->sv2))	347	if (grp->sv2 && SvOK (grp->sv2))
292	{	348	{
293	dSP;	349	dSP;
294		350
…		…
302	FREETMPS;	358	FREETMPS;
303	LEAVE;	359	LEAVE;
304	}	360	}
305	}	361	}
306		362
		363	static void
307	static void req_submit (eio_req *req)	364	req_submit (eio_req *req)
308	{	365	{
309	eio_submit (req);	366	eio_submit (req);
310		367
311	if (expect_false (on_next_submit))	368	if (expect_false (on_next_submit))
312	{	369	{
…		…
319	PUTBACK;	376	PUTBACK;
320	call_sv (cb, G_DISCARD | G_EVAL);	377	call_sv (cb, G_DISCARD | G_EVAL);
321	}	378	}
322	}	379	}
323		380
		381	static int
324	static int req_invoke (eio_req *req)	382	req_invoke (eio_req *req)
325	{	383	{
326	if (req->flags & FLAG_SV2_RO_OFF)	384	if (req->flags & FLAG_SV2_RO_OFF)
327	SvREADONLY_off (req->sv2);	385	SvREADONLY_off (req->sv2);
328		386
329	if (!EIO_CANCELLED (req) && req->callback)	387	if (!EIO_CANCELLED (req) && req->callback)
…		…
340	/* do not recreate the result IV from scratch each time */	398	/* do not recreate the result IV from scratch each time */
341	if (expect_true (sv_result_cache))	399	if (expect_true (sv_result_cache))
342	{	400	{
343	sv_result = sv_result_cache; sv_result_cache = 0;	401	sv_result = sv_result_cache; sv_result_cache = 0;
344	SvIV_set (sv_result, req->result);	402	SvIV_set (sv_result, req->result);
		403	SvIOK_only (sv_result);
345	}	404	}
346	else	405	else
347	{	406	{
348	sv_result = newSViv (req->result);	407	sv_result = newSViv (req->result);
349	SvREADONLY_on (sv_result);	408	SvREADONLY_on (sv_result);
350	}	409	}
351		410
352	switch (req->type)	411	switch (req->type)
353	{	412	{
		413	case EIO_WD_OPEN:
		414	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		415	break;
		416
354	case EIO_READDIR:	417	case EIO_READDIR:
355	{	418	{
356	SV *rv = &PL_sv_undef;	419	SV *rv = &PL_sv_undef;
357		420
358	if (req->result >= 0)	421	if (req->result >= 0)
…		…
446	case EIO_STATVFS:	509	case EIO_STATVFS:
447	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
448	{	511	{
449	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
450		513
		514	#ifndef _WIN32
451	if (req->result >= 0)	515	if (req->result >= 0)
452	{	516	{
453	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
454	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));
455		524
456	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
457		526
458	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);
459	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);
…		…
461	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);
462	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);
463	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);
464	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);
465	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);
466	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
467	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);
468	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);
469	}	538	}
		539	#endif
470		540
471	PUSHs (rv);	541	PUSHs (rv);
472	}	542	}
473		543
474	break;	544	break;
…		…
490	case EIO_NOP:	560	case EIO_NOP:
491	case EIO_BUSY:	561	case EIO_BUSY:
492	break;	562	break;
493		563
494	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
495	if (req->result > 0)	566	if (req->result > 0)
496	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497	break;	568	break;
498		569
499	case EIO_STAT:	570	case EIO_STAT:
500	case EIO_LSTAT:	571	case EIO_LSTAT:
501	case EIO_FSTAT:	572	case EIO_FSTAT:
502	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
503	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
504	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
505	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)));
506	break;	584	break;
507		585
508	case EIO_READ:	586	case EIO_READ:
509	{	587	{
510	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));
…		…
513	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
514	PUSHs (sv_result);	592	PUSHs (sv_result);
515	}	593	}
516	break;	594	break;
517		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
518	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519	if (req->result > 0)	637	if (req->result > 0)
520	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
521	/* FALLTHROUGH */	639	/* FALLTHROUGH */
522		640
523	default:	641	default:
…		…
543	}	661	}
544		662
545	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
546	}	664	}
547		665
		666	static void
548	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
549	{	668	{
550	if (req->self)	669	if (req->self)
551	{	670	{
552	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
553	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
554	}	673	}
555		674
556	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
557	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
558	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
559		680
560	Safefree (req);	681	free (req);
561	}	682	}
562		683
		684	static void
563	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
564	{	686	{
565	aio_req sub;
566
567	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
568	return;	688	return;
569		689
570	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
571	grp->sv2 = 0;	691	grp->sv2 = 0;
572		692
573	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
574	}	694	}
575		695
576	static void	696	static void ecb_cold
577	create_respipe (void)	697	create_respipe (void)
578	{	698	{
579	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
580	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
581	}	701	}
582		702
583	static void poll_wait (void)	703	static void
		704	poll_wait (void)
584	{	705	{
585	while (eio_nreqs ())	706	while (eio_nreqs ())
586	{	707	{
587	int size;	708	int size;
588		709
…		…
597		718
598	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
599	}	720	}
600	}	721	}
601		722
602	static int poll_cb (void)	723	static int
		724	poll_cb (void)
603	{	725	{
604	for (;;)	726	for (;;)
605	{	727	{
606	int res = eio_poll ();	728	int res = eio_poll ();
607		729
…		…
613		735
614	poll_wait ();	736	poll_wait ();
615	}	737	}
616	}	738	}
617		739
618	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
619	{	742	{
620	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
621	}	747	}
622		748
623	/*****************************************************************************/	749	/*****************************************************************************/
624		750
625	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
626	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
627	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		758	# define PROT_NONE 0
		759	# define PROT_WRITE 0
		760	# define MAP_PRIVATE 0
		761	# define MAP_SHARED 0
		762	# define MAP_FIXED 0
628	#endif	763	#endif
629		764
630	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
631		766
632	static int	767	static int ecb_cold
633	mmap_free (pTHX_ SV *sv, MAGIC *mg)	768	mmap_free (pTHX_ SV *sv, MAGIC *mg)
634	{	769	{
635	int old_errno = errno;	770	int old_errno = errno;
636	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637	errno = old_errno;	772	errno = old_errno;
…		…
661	{	796	{
662	SvGETMAGIC (cb_sv);	797	SvGETMAGIC (cb_sv);
663	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	798	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664	}	799	}
665		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
666	#define dREQ \	821	#define dREQ \
667	SV *cb_cv; \	822	aio_req req = dreq (callback); \
668	aio_req req; \
669	int req_pri = next_pri; \
670	next_pri = EIO_PRI_DEFAULT; \
671	\
672	cb_cv = get_cb (callback); \
673	\
674	Newz (0, req, 1, eio_req); \
675	if (!req) \
676	croak ("out of memory during eio_req allocation"); \
677	\
678	req->callback = SvREFCNT_inc (cb_cv); \
679	req->pri = req_pri
680		823
681	#define REQ_SEND \	824	#define REQ_SEND \
682	PUTBACK; \	825	PUTBACK; \
683	req_submit (req); \	826	req_submit (req); \
684	SPAGAIN; \	827	SPAGAIN; \
685	\	828	\
686	if (GIMME_V != G_VOID) \	829	if (GIMME_V != G_VOID) \
687	XPUSHs (req_sv (req, aio_req_stash));	830	XPUSHs (req_sv (req, aio_req_stash));
688		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
689	MODULE = IO::AIO PACKAGE = IO::AIO	898	MODULE = IO::AIO PACKAGE = IO::AIO
690		899
691	PROTOTYPES: ENABLE	900	PROTOTYPES: ENABLE
692		901
693	BOOT:	902	BOOT:
…		…
697	IV iv;	906	IV iv;
698	} *civ, const_iv[] = {	907	} *civ, const_iv[] = {
699	# define const_niv(name, value) { # name, (IV) value },	908	# define const_niv(name, value) { # name, (IV) value },
700	# define const_iv(name) { # name, (IV) name },	909	# define const_iv(name) { # name, (IV) name },
701	# 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)
702	const_iv (EXDEV)	915	const_iv (EXDEV)
703	const_iv (ENOSYS)	916	const_iv (EBADR)
		917
704	const_iv (O_RDONLY)	918	const_iv (O_RDONLY)
705	const_iv (O_WRONLY)	919	const_iv (O_WRONLY)
706	const_iv (O_RDWR)	920	const_iv (O_RDWR)
707	const_iv (O_CREAT)	921	const_iv (O_CREAT)
708	const_iv (O_TRUNC)	922	const_iv (O_TRUNC)
709	const_iv (O_EXCL)	923	const_iv (O_EXCL)
710	const_iv (O_APPEND)	924	const_iv (O_APPEND)
711	#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
712	const_iv (S_IFIFO)	942	const_iv (S_IFIFO)
713	#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
714	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	952	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
715	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	953	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
716	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	954	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
717	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	955	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
718	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	956	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
735	const_iv (ST_IMMUTABLE)	973	const_iv (ST_IMMUTABLE)
736	const_iv (ST_NOATIME)	974	const_iv (ST_NOATIME)
737	const_iv (ST_NODIRATIME)	975	const_iv (ST_NODIRATIME)
738	const_iv (ST_RELATIME)	976	const_iv (ST_RELATIME)
739		977
		978	const_iv (PROT_NONE)
740	const_iv (PROT_EXEC)	979	const_iv (PROT_EXEC)
741	const_iv (PROT_NONE)
742	const_iv (PROT_READ)	980	const_iv (PROT_READ)
743	const_iv (PROT_WRITE)	981	const_iv (PROT_WRITE)
744		982
745	/*const_iv (MAP_FIXED)*/	983	/*const_iv (MAP_FIXED)*/
746	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
…		…
752	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
753	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
754	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
755	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
756		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
757	const_iv (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
758	const_iv (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
759		1025
760	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
761	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
762	const_eio (MS_SYNC)	1028	const_eio (MS_SYNC)
763		1029
764	const_eio (MT_MODIFY)	1030	const_eio (MT_MODIFY)
765		1031
766	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
768	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)
769		1038
770	const_eio (READDIR_DENTS)	1039	const_eio (READDIR_DENTS)
771	const_eio (READDIR_DIRS_FIRST)	1040	const_eio (READDIR_DIRS_FIRST)
772	const_eio (READDIR_STAT_ORDER)	1041	const_eio (READDIR_STAT_ORDER)
773	const_eio (READDIR_FOUND_UNKNOWN)	1042	const_eio (READDIR_FOUND_UNKNOWN)
…		…
784	};	1053	};
785		1054
786	aio_stash = gv_stashpv ("IO::AIO" , 1);	1055	aio_stash = gv_stashpv ("IO::AIO" , 1);
787	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1056	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1057	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1058	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789		1059
790	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1060	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
791	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1061	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792		1062
793	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1063	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794		1064
795	create_respipe ();	1065	reinit ();
796
797	if (eio_init (want_poll, done_poll) < 0)
798	croak ("IO::AIO: unable to initialise eio library");
799
800	/* atfork child called in fifo order, so before eio's handler */
801	X_THREAD_ATFORK (0, 0, atfork_child);
802	}	1066	}
803		1067
804	void	1068	void
		1069	reinit ()
		1070	PROTOTYPE:
		1071
		1072	void
805	max_poll_reqs (int nreqs)	1073	max_poll_reqs (unsigned int nreqs)
806	PROTOTYPE: $	1074	PROTOTYPE: $
807	CODE:	1075	CODE:
808	eio_set_max_poll_reqs (nreqs);	1076	eio_set_max_poll_reqs (nreqs);
809		1077
810	void	1078	void
…		…
812	PROTOTYPE: $	1080	PROTOTYPE: $
813	CODE:	1081	CODE:
814	eio_set_max_poll_time (nseconds);	1082	eio_set_max_poll_time (nseconds);
815		1083
816	void	1084	void
817	min_parallel (int nthreads)	1085	min_parallel (unsigned int nthreads)
818	PROTOTYPE: $	1086	PROTOTYPE: $
819	CODE:	1087	CODE:
820	eio_set_min_parallel (nthreads);	1088	eio_set_min_parallel (nthreads);
821		1089
822	void	1090	void
823	max_parallel (int nthreads)	1091	max_parallel (unsigned int nthreads)
824	PROTOTYPE: $	1092	PROTOTYPE: $
825	CODE:	1093	CODE:
826	eio_set_max_parallel (nthreads);	1094	eio_set_max_parallel (nthreads);
827		1095
828	void	1096	void
829	max_idle (int nthreads)	1097	max_idle (unsigned int nthreads)
830	PROTOTYPE: $	1098	PROTOTYPE: $
831	CODE:	1099	CODE:
832	eio_set_max_idle (nthreads);	1100	eio_set_max_idle (nthreads);
833		1101
834	void	1102	void
		1103	idle_timeout (unsigned int seconds)
		1104	PROTOTYPE: $
		1105	CODE:
		1106	eio_set_idle_timeout (seconds);
		1107
		1108	void
835	max_outstanding (int maxreqs)	1109	max_outstanding (unsigned int maxreqs)
836	PROTOTYPE: $	1110	PROTOTYPE: $
837	CODE:	1111	CODE:
838	max_outstanding = maxreqs;	1112	max_outstanding = maxreqs;
839		1113
840	void	1114	void
		1115	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1116	PPCODE:
		1117	{
		1118	dREQ;
		1119
		1120	req->type = EIO_WD_OPEN;
		1121	req_set_path1 (req, pathname);
		1122
		1123	REQ_SEND;
		1124	}
		1125
		1126	void
841	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1127	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
842	PROTOTYPE: $$$;$
843	PPCODE:	1128	PPCODE:
844	{	1129	{
845	dREQ;	1130	dREQ;
846		1131
847	req->type = EIO_OPEN;	1132	req->type = EIO_OPEN;
848	req->sv1 = newSVsv (pathname);	1133	req_set_path1 (req, pathname);
849	req->ptr1 = SvPVbyte_nolen (req->sv1);
850	req->int1 = flags;	1134	req->int1 = flags;
851	req->int2 = mode;	1135	req->int2 = mode;
852		1136
853	REQ_SEND;	1137	REQ_SEND;
854	}	1138	}
855		1139
856	void	1140	void
857	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1141	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
858	PROTOTYPE: $;$
859	ALIAS:	1142	ALIAS:
860	aio_fsync = EIO_FSYNC	1143	aio_fsync = EIO_FSYNC
861	aio_fdatasync = EIO_FDATASYNC	1144	aio_fdatasync = EIO_FDATASYNC
		1145	aio_syncfs = EIO_SYNCFS
862	PPCODE:	1146	PPCODE:
863	{	1147	{
864	int fd = s_fileno_croak (fh, 0);	1148	int fd = s_fileno_croak (fh, 0);
865	dREQ;	1149	dREQ;
866		1150
867	req->type = ix;	1151	req->type = ix;
868	req->sv1 = newSVsv (fh);	1152	req->sv1 = newSVsv (fh);
869	req->int1 = fd;	1153	req->int1 = fd;
870		1154
871	REQ_SEND (req);	1155	REQ_SEND;
872	}	1156	}
873		1157
874	void	1158	void
875	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1159	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
876	PROTOTYPE: $$$$;$
877	PPCODE:	1160	PPCODE:
878	{	1161	{
879	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
880	dREQ;	1163	dREQ;
881		1164
882	req->type = EIO_SYNC_FILE_RANGE;	1165	req->type = EIO_SYNC_FILE_RANGE;
883	req->sv1 = newSVsv (fh);	1166	req->sv1 = newSVsv (fh);
884	req->int1 = fd;	1167	req->int1 = fd;
885	req->offs = offset;	1168	req->offs = offset;
886	req->size = nbytes;	1169	req->size = nbytes;
887	req->int2 = flags;	1170	req->int2 = flags;
888		1171
889	REQ_SEND (req);	1172	REQ_SEND;
		1173	}
		1174
		1175	void
		1176	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1177	PPCODE:
		1178	{
		1179	int fd = s_fileno_croak (fh, 0);
		1180	dREQ;
		1181
		1182	req->type = EIO_FALLOCATE;
		1183	req->sv1 = newSVsv (fh);
		1184	req->int1 = fd;
		1185	req->int2 = mode;
		1186	req->offs = offset;
		1187	req->size = len;
		1188
		1189	REQ_SEND;
890	}	1190	}
891		1191
892	void	1192	void
893	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1193	aio_close (SV *fh, SV *callback=&PL_sv_undef)
894	PROTOTYPE: $;$
895	PPCODE:	1194	PPCODE:
896	{	1195	{
897	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
898	int fd = s_fileno_croak (fh, 0);	1197	int fd = s_fileno_croak (fh, 0);
899	dREQ;	1198	dREQ;
900		1199
901	if (close_pipe < 0)	1200	if (expect_false (close_fd < 0))
902	{	1201	{
903	int pipefd [2];	1202	int pipefd [2];
904		1203
		1204	if (
		1205	#ifdef _WIN32
		1206	_pipe (pipefd, 1, _O_BINARY) < 0
		1207	#else
905	if (pipe (pipefd) < 0	1208	pipe (pipefd) < 0
906	|| close (pipefd [1]) < 0
907	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1209	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1210	#endif
		1211	|| close (pipefd [1]) < 0
		1212	)
908	abort (); /*D*/	1213	abort (); /*D*/
909		1214
910	close_pipe = pipefd [0];	1215	close_fd = pipefd [0];
911	}	1216	}
912		1217
913	req->type = EIO_DUP2;	1218	req->type = EIO_DUP2;
914	req->int1 = close_pipe;	1219	req->int1 = close_fd;
915	req->sv2 = newSVsv (fh);	1220	req->sv2 = newSVsv (fh);
916	req->int2 = fd;	1221	req->int2 = fd;
917		1222
918	REQ_SEND (req);	1223	REQ_SEND;
		1224	}
		1225
		1226	void
		1227	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1228	PPCODE:
		1229	{
		1230	int fd = s_fileno_croak (fh, 0);
		1231	dREQ;
		1232
		1233	req->type = EIO_SEEK;
		1234	req->sv1 = newSVsv (fh);
		1235	req->int1 = fd;
		1236	req->offs = SvVAL64 (offset);
		1237	req->int2 = whence;
		1238
		1239	REQ_SEND;
919	}	1240	}
920		1241
921	void	1242	void
922	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1243	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
923	ALIAS:	1244	ALIAS:
924	aio_read = EIO_READ	1245	aio_read = EIO_READ
925	aio_write = EIO_WRITE	1246	aio_write = EIO_WRITE
926	PROTOTYPE: $$$$$;$
927	PPCODE:	1247	PPCODE:
928	{	1248	{
929	STRLEN svlen;	1249	STRLEN svlen;
930	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1250	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931	char *svptr = SvPVbyte (data, svlen);	1251	char *svptr = SvPVbyte (data, svlen);
…		…
945	}	1265	}
946	else	1266	else
947	{	1267	{
948	/* read: check type and grow scalar as necessary */	1268	/* read: check type and grow scalar as necessary */
949	SvUPGRADE (data, SVt_PV);	1269	SvUPGRADE (data, SVt_PV);
		1270	if (SvLEN (data) >= SvCUR (data))
950	svptr = SvGROW (data, len + dataoffset + 1);	1271	svptr = SvGROW (data, len + dataoffset + 1);
		1272	else if (SvCUR (data) < len + dataoffset)
		1273	croak ("length + dataoffset outside of scalar, and cannot grow");
951	}	1274	}
952		1275
953	{	1276	{
954	dREQ;	1277	dREQ;
955		1278
…		…
971	REQ_SEND;	1294	REQ_SEND;
972	}	1295	}
973	}	1296	}
974		1297
975	void	1298	void
976	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1299	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
977	PROTOTYPE: $$;$	1300	ALIAS:
		1301	aio_readlink = EIO_READLINK
		1302	aio_realpath = EIO_REALPATH
978	PPCODE:	1303	PPCODE:
979	{	1304	{
980	SV *data;
981	dREQ;	1305	dREQ;
982		1306
983	req->type = EIO_READLINK;	1307	req->type = ix;
984	req->sv1 = newSVsv (path);	1308	req_set_path1 (req, pathname);
985	req->ptr1 = SvPVbyte_nolen (req->sv1);
986		1309
987	REQ_SEND;	1310	REQ_SEND;
988	}	1311	}
989		1312
990	void	1313	void
991	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1314	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
992	PROTOTYPE: $$$$;$
993	PPCODE:	1315	PPCODE:
994	{	1316	{
995	int ifd = s_fileno_croak (in_fh , 0);	1317	int ifd = s_fileno_croak (in_fh , 0);
996	int ofd = s_fileno_croak (out_fh, 1);	1318	int ofd = s_fileno_croak (out_fh, 1);
997	dREQ;	1319	dREQ;
998		1320
999	req->type = EIO_SENDFILE;	1321	req->type = EIO_SENDFILE;
1000	req->sv1 = newSVsv (out_fh);	1322	req->sv1 = newSVsv (out_fh);
1001	req->int1 = ofd;	1323	req->int1 = ofd;
…		…
1007	REQ_SEND;	1329	REQ_SEND;
1008	}	1330	}
1009		1331
1010	void	1332	void
1011	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1333	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1012	PROTOTYPE: $$$;$
1013	PPCODE:	1334	PPCODE:
1014	{	1335	{
1015	int fd = s_fileno_croak (fh, 0);	1336	int fd = s_fileno_croak (fh, 0);
1016	dREQ;	1337	dREQ;
1017		1338
1018	req->type = EIO_READAHEAD;	1339	req->type = EIO_READAHEAD;
1019	req->sv1 = newSVsv (fh);	1340	req->sv1 = newSVsv (fh);
1020	req->int1 = fd;	1341	req->int1 = fd;
…		…
1032	aio_statvfs = EIO_STATVFS	1353	aio_statvfs = EIO_STATVFS
1033	PPCODE:	1354	PPCODE:
1034	{	1355	{
1035	dREQ;	1356	dREQ;
1036		1357
1037	req->sv1 = newSVsv (fh_or_path);	1358	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1038
1039	if (SvPOK (req->sv1))
1040	{
1041	req->type = ix;
1042	req->ptr1 = SvPVbyte_nolen (req->sv1);
1043	}
1044	else
1045	{
1046	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1047	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1048	}
1049		1359
1050	REQ_SEND;	1360	REQ_SEND;
1051	}	1361	}
		1362
		1363	UV
		1364	major (UV dev)
		1365	ALIAS:
		1366	minor = 1
		1367	CODE:
		1368	RETVAL = ix ? major (dev) : minor (dev);
		1369	OUTPUT:
		1370	RETVAL
		1371
		1372	UV
		1373	makedev (UV maj, UV min)
		1374	CODE:
		1375	RETVAL = makedev (maj, min);
		1376	OUTPUT:
		1377	RETVAL
1052		1378
1053	void	1379	void
1054	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1380	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1055	PPCODE:	1381	PPCODE:
1056	{	1382	{
1057	dREQ;	1383	dREQ;
1058		1384
1059	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1385	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1386	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061	req->sv1 = newSVsv (fh_or_path);	1387	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1062
1063	if (SvPOK (req->sv1))
1064	{
1065	req->type = EIO_UTIME;
1066	req->ptr1 = SvPVbyte_nolen (req->sv1);
1067	}
1068	else
1069	{
1070	req->type = EIO_FUTIME;
1071	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072	}
1073		1388
1074	REQ_SEND;	1389	REQ_SEND;
1075	}	1390	}
1076		1391
1077	void	1392	void
1078	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1393	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1079	PPCODE:	1394	PPCODE:
1080	{	1395	{
1081	dREQ;	1396	dREQ;
1082		1397
1083	req->sv1 = newSVsv (fh_or_path);
1084	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1398	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085		1399	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1086	if (SvPOK (req->sv1))
1087	{
1088	req->type = EIO_TRUNCATE;
1089	req->ptr1 = SvPVbyte_nolen (req->sv1);
1090	}
1091	else
1092	{
1093	req->type = EIO_FTRUNCATE;
1094	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095	}
1096		1400
1097	REQ_SEND;	1401	REQ_SEND;
1098	}	1402	}
1099		1403
1100	void	1404	void
1101	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1405	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1102	ALIAS:
1103	aio_chmod = EIO_CHMOD
1104	aio_mkdir = EIO_MKDIR
1105	PPCODE:	1406	PPCODE:
1106	{	1407	{
1107	dREQ;	1408	dREQ;
1108		1409
1109	req->int2 = mode;	1410	req->int2 = mode;
1110	req->sv1 = newSVsv (fh_or_path);	1411	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1111
1112	if (SvPOK (req->sv1))
1113	{
1114	req->type = ix;
1115	req->ptr1 = SvPVbyte_nolen (req->sv1);
1116	}
1117	else
1118	{
1119	req->type = EIO_FCHMOD;
1120	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1121	}
1122		1412
1123	REQ_SEND;	1413	REQ_SEND;
1124	}	1414	}
1125		1415
1126	void	1416	void
…		…
1129	{	1419	{
1130	dREQ;	1420	dREQ;
1131		1421
1132	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1422	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1423	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134	req->sv1 = newSVsv (fh_or_path);	1424	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1135
1136	if (SvPOK (req->sv1))
1137	{
1138	req->type = EIO_CHOWN;
1139	req->ptr1 = SvPVbyte_nolen (req->sv1);
1140	}
1141	else
1142	{
1143	req->type = EIO_FCHOWN;
1144	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1145	}
1146		1425
1147	REQ_SEND;	1426	REQ_SEND;
1148	}	1427	}
1149		1428
1150	void	1429	void
…		…
1152	PPCODE:	1431	PPCODE:
1153	{	1432	{
1154	dREQ;	1433	dREQ;
1155		1434
1156	req->type = EIO_READDIR;	1435	req->type = EIO_READDIR;
1157	req->sv1 = newSVsv (pathname);
1158	req->ptr1 = SvPVbyte_nolen (req->sv1);
1159	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1436	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160		1437
1161	if (flags & EIO_READDIR_DENTS)	1438	if (flags & EIO_READDIR_DENTS)
1162	req->int1 |= EIO_READDIR_CUSTOM2;	1439	req->int1 |= EIO_READDIR_CUSTOM2;
1163		1440
		1441	req_set_path1 (req, pathname);
		1442
1164	REQ_SEND;	1443	REQ_SEND;
		1444	}
		1445
		1446	void
		1447	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1448	PPCODE:
		1449	{
		1450	dREQ;
		1451
		1452	req->type = EIO_MKDIR;
		1453	req->int2 = mode;
		1454	req_set_path1 (req, pathname);
		1455
		1456	REQ_SEND;
1165	}	1457	}
1166		1458
1167	void	1459	void
1168	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1460	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1169	ALIAS:	1461	ALIAS:
…		…
1173	PPCODE:	1465	PPCODE:
1174	{	1466	{
1175	dREQ;	1467	dREQ;
1176		1468
1177	req->type = ix;	1469	req->type = ix;
1178	req->sv1 = newSVsv (pathname);	1470	req_set_path1 (req, pathname);
1179	req->ptr1 = SvPVbyte_nolen (req->sv1);
1180		1471
1181	REQ_SEND;	1472	REQ_SEND;
1182	}	1473	}
1183		1474
1184	void	1475	void
…		…
1187	aio_link = EIO_LINK	1478	aio_link = EIO_LINK
1188	aio_symlink = EIO_SYMLINK	1479	aio_symlink = EIO_SYMLINK
1189	aio_rename = EIO_RENAME	1480	aio_rename = EIO_RENAME
1190	PPCODE:	1481	PPCODE:
1191	{	1482	{
		1483	eio_wd wd2 = 0;
1192	dREQ;	1484	dREQ;
1193		1485
1194	req->type = ix;	1486	req->type = ix;
1195	req->sv1 = newSVsv (oldpath);	1487	req_set_path1 (req, oldpath);
1196	req->ptr1 = SvPVbyte_nolen (req->sv1);	1488	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197	req->sv2 = newSVsv (newpath);	1489	req->int3 = (long)wd2;
1198	req->ptr2 = SvPVbyte_nolen (req->sv2);
1199		1490
1200	REQ_SEND;	1491	REQ_SEND;
1201	}	1492	}
1202		1493
1203	void	1494	void
…		…
1205	PPCODE:	1496	PPCODE:
1206	{	1497	{
1207	dREQ;	1498	dREQ;
1208		1499
1209	req->type = EIO_MKNOD;	1500	req->type = EIO_MKNOD;
1210	req->sv1 = newSVsv (pathname);
1211	req->ptr1 = SvPVbyte_nolen (req->sv1);
1212	req->int2 = (mode_t)mode;	1501	req->int2 = (mode_t)mode;
1213	req->offs = dev;	1502	req->offs = dev;
		1503	req_set_path1 (req, pathname);
1214		1504
1215	REQ_SEND;	1505	REQ_SEND;
1216	}	1506	}
1217		1507
1218	void	1508	void
1219	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1509	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1220	ALIAS:	1510	ALIAS:
1221	aio_mtouch = EIO_MTOUCH	1511	aio_mtouch = EIO_MTOUCH
1222	aio_msync = EIO_MSYNC	1512	aio_msync = EIO_MSYNC
1223	PROTOTYPE: $$$$;$
1224	PPCODE:	1513	PPCODE:
1225	{	1514	{
1226	STRLEN svlen;	1515	STRLEN svlen;
		1516	char *svptr = SvPVbyte (data, svlen);
1227	UV len = SvUV (length);	1517	UV len = SvUV (length);
1228	char *svptr = SvPVbyte (data, svlen);
1229		1518
1230	if (offset < 0)	1519	if (offset < 0)
1231	offset += svlen;	1520	offset += svlen;
1232		1521
1233	if (offset < 0 || offset > svlen)	1522	if (offset < 0 || offset > svlen)
…		…
1238		1527
1239	{	1528	{
1240	dREQ;	1529	dREQ;
1241		1530
1242	req->type = ix;	1531	req->type = ix;
1243	req->size = len;
1244	req->sv2 = SvREFCNT_inc (data);	1532	req->sv2 = SvREFCNT_inc (data);
1245	req->ptr2 = (char *)svptr + offset;	1533	req->ptr2 = (char *)svptr + offset;
		1534	req->size = len;
1246	req->int1 = flags;	1535	req->int1 = flags;
1247		1536
1248	REQ_SEND;	1537	REQ_SEND;
1249	}	1538	}
1250	}	1539	}
1251		1540
1252	void	1541	void
		1542	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1543	PPCODE:
		1544	{
		1545	STRLEN svlen;
		1546	char *svptr = SvPVbyte (data, svlen);
		1547	UV len = SvUV (length);
		1548
		1549	if (offset < 0)
		1550	offset += svlen;
		1551
		1552	if (offset < 0 || offset > svlen)
		1553	croak ("offset outside of scalar");
		1554
		1555	if (!SvOK (length) || len + offset > svlen)
		1556	len = svlen - offset;
		1557
		1558	{
		1559	dREQ;
		1560
		1561	req->type = EIO_MLOCK;
		1562	req->sv2 = SvREFCNT_inc (data);
		1563	req->ptr2 = (char *)svptr + offset;
		1564	req->size = len;
		1565
		1566	REQ_SEND;
		1567	}
		1568	}
		1569
		1570	void
		1571	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1572	PPCODE:
		1573	{
		1574	dREQ;
		1575
		1576	req->type = EIO_MLOCKALL;
		1577	req->int1 = flags;
		1578
		1579	REQ_SEND;
		1580	}
		1581
		1582	void
		1583	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1584	PPCODE:
		1585	{
		1586	int fd = s_fileno_croak (fh, 0);
		1587	dREQ;
		1588
		1589	req->type = EIO_CUSTOM;
		1590	req->sv1 = newSVsv (fh);
		1591	req->int1 = fd;
		1592
		1593	req->feed = fiemap;
		1594	#if HAVE_FIEMAP
		1595	/* keep our fingers crossed that the next two types are 64 bit */
		1596	req->offs = start;
		1597	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1598	req->int2 = flags;
		1599	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1600	#endif
		1601
		1602	REQ_SEND;
		1603	}
		1604
		1605	void
1253	aio_busy (double delay, SV *callback=&PL_sv_undef)	1606	aio_busy (double delay, SV *callback=&PL_sv_undef)
1254	PPCODE:	1607	PPCODE:
1255	{	1608	{
1256	dREQ;	1609	dREQ;
1257		1610
…		…
1261	REQ_SEND;	1614	REQ_SEND;
1262	}	1615	}
1263		1616
1264	void	1617	void
1265	aio_group (SV *callback=&PL_sv_undef)	1618	aio_group (SV *callback=&PL_sv_undef)
1266	PROTOTYPE: ;$
1267	PPCODE:	1619	PPCODE:
1268	{	1620	{
1269	dREQ;	1621	dREQ;
1270		1622
1271	req->type = EIO_GROUP;	1623	req->type = EIO_GROUP;
1272		1624
		1625	PUTBACK;
1273	req_submit (req);	1626	req_submit (req);
		1627	SPAGAIN;
		1628
1274	XPUSHs (req_sv (req, aio_grp_stash));	1629	XPUSHs (req_sv (req, aio_grp_stash));
1275	}	1630	}
1276		1631
1277	void	1632	void
1278	aio_nop (SV *callback=&PL_sv_undef)	1633	aio_nop (SV *callback=&PL_sv_undef)
…		…
1288	REQ_SEND;	1643	REQ_SEND;
1289	}	1644	}
1290		1645
1291	int	1646	int
1292	aioreq_pri (int pri = 0)	1647	aioreq_pri (int pri = 0)
1293	PROTOTYPE: ;$
1294	CODE:	1648	CODE:
1295	RETVAL = next_pri;	1649	RETVAL = next_pri;
1296	if (items > 0)	1650	if (items > 0)
1297	{	1651	{
1298	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1652	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1310	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1664	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311	next_pri = nice;	1665	next_pri = nice;
1312		1666
1313	void	1667	void
1314	flush ()	1668	flush ()
1315	PROTOTYPE:
1316	CODE:	1669	CODE:
1317	while (eio_nreqs ())	1670	while (eio_nreqs ())
1318	{	1671	{
1319	poll_wait ();	1672	poll_wait ();
1320	poll_cb ();	1673	poll_cb ();
1321	}	1674	}
1322		1675
1323	int	1676	int
1324	poll()	1677	poll ()
1325	PROTOTYPE:
1326	CODE:	1678	CODE:
1327	poll_wait ();	1679	poll_wait ();
1328	RETVAL = poll_cb ();	1680	RETVAL = poll_cb ();
1329	OUTPUT:	1681	OUTPUT:
1330	RETVAL	1682	RETVAL
1331		1683
1332	int	1684	int
1333	poll_fileno()	1685	poll_fileno ()
1334	PROTOTYPE:
1335	CODE:	1686	CODE:
1336	RETVAL = s_epipe_fd (&respipe);	1687	RETVAL = s_epipe_fd (&respipe);
1337	OUTPUT:	1688	OUTPUT:
1338	RETVAL	1689	RETVAL
1339		1690
1340	int	1691	int
1341	poll_cb(...)	1692	poll_cb (...)
1342	PROTOTYPE:	1693	PROTOTYPE:
1343	CODE:	1694	CODE:
1344	RETVAL = poll_cb ();	1695	RETVAL = poll_cb ();
1345	OUTPUT:	1696	OUTPUT:
1346	RETVAL	1697	RETVAL
1347		1698
1348	void	1699	void
1349	poll_wait()	1700	poll_wait ()
1350	PROTOTYPE:
1351	CODE:	1701	CODE:
1352	poll_wait ();	1702	poll_wait ();
1353		1703
1354	int	1704	int
1355	nreqs()	1705	nreqs ()
1356	PROTOTYPE:
1357	CODE:	1706	CODE:
1358	RETVAL = eio_nreqs ();	1707	RETVAL = eio_nreqs ();
1359	OUTPUT:	1708	OUTPUT:
1360	RETVAL	1709	RETVAL
1361		1710
1362	int	1711	int
1363	nready()	1712	nready ()
1364	PROTOTYPE:
1365	CODE:	1713	CODE:
1366	RETVAL = eio_nready ();	1714	RETVAL = eio_nready ();
1367	OUTPUT:	1715	OUTPUT:
1368	RETVAL	1716	RETVAL
1369		1717
1370	int	1718	int
1371	npending()	1719	npending ()
1372	PROTOTYPE:
1373	CODE:	1720	CODE:
1374	RETVAL = eio_npending ();	1721	RETVAL = eio_npending ();
1375	OUTPUT:	1722	OUTPUT:
1376	RETVAL	1723	RETVAL
1377		1724
1378	int	1725	int
1379	nthreads()	1726	nthreads ()
1380	PROTOTYPE:
1381	CODE:	1727	CODE:
1382	RETVAL = eio_nthreads ();	1728	RETVAL = eio_nthreads ();
1383	OUTPUT:	1729	OUTPUT:
1384	RETVAL	1730	RETVAL
1385		1731
1386	int	1732	int
1387	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1733	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388	PROTOTYPE: $$$$
1389	CODE:	1734	CODE:
1390	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391	RETVAL = posix_fadvise (fh, offset, length, advice);	1735	RETVAL = posix_fadvise (fh, offset, length, advice);
1392	#else
1393	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394	#endif
1395	OUTPUT:	1736	OUTPUT:
1396	RETVAL	1737	RETVAL
1397		1738
1398	ssize_t	1739	IV
1399	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1740	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400	PROTOTYPE: $$$$
1401	CODE:	1741	CODE:
1402	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1742	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403	OUTPUT:	1743	OUTPUT:
1404	RETVAL	1744	RETVAL
1405		1745
1406	void	1746	void
1407	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1747	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1408	PROTOTYPE: $$$$$;$
1409	PPCODE:	1748	PPCODE:
1410	sv_unmagic (scalar, MMAP_MAGIC);	1749	sv_unmagic (scalar, MMAP_MAGIC);
1411	{	1750	{
1412	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1751	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1752	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1436	XSRETURN_YES;	1775	XSRETURN_YES;
1437	}	1776	}
1438		1777
1439	void	1778	void
1440	munmap (SV *scalar)	1779	munmap (SV *scalar)
1441	PROTOTYPE: $
1442	CODE:	1780	CODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	1781	sv_unmagic (scalar, MMAP_MAGIC);
1444		1782
1445	int	1783	int
1446	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1784	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447	PROTOTYPE: $$$$	1785	ALIAS:
		1786	mprotect = 1
1448	CODE:	1787	CODE:
1449	{	1788	{
1450	char *addr = SvPV_nolen (scalar) + offset;	1789	STRLEN svlen;
		1790	void *addr = SvPVbyte (scalar, svlen);
		1791	size_t len = SvUV (length);
1451		1792
1452	if (!SvOK (ST (2)))	1793	if (offset < 0)
		1794	offset += svlen;
		1795
		1796	if (offset < 0 || offset > svlen)
		1797	croak ("offset outside of scalar");
		1798
		1799	if (!SvOK (length) || len + offset > svlen)
1453	length = SvCUR (scalar) - offset;	1800	len = svlen - offset;
1454		1801
1455	if (addr >= SvEND (scalar) || length <= 0)	1802	addr = (void *)(((intptr_t)addr) + offset);
1456	XSRETURN_EMPTY;	1803	eio_page_align (&addr, &len);
1457		1804
1458	#if _XOPEN_SOURCE >= 600 && !NO_MADVISE	1805	switch (ix)
		1806	{
1459	RETVAL = posix_madvise (addr, length, advice);	1807	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460	#else	1808	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461	RETVAL = errno = ENOSYS; /* yes, this is actually correct */	1809	}
1462	#endif
1463	}	1810	}
1464	OUTPUT:	1811	OUTPUT:
1465	RETVAL	1812	RETVAL
1466		1813
1467	int	1814	int
1468	mlockall (int flags)	1815	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1816	CODE:
		1817	{
		1818	STRLEN svlen;
		1819	void *addr = SvPVbyte (scalar, svlen);
		1820	size_t len = SvUV (length);
		1821
		1822	if (offset < 0)
		1823	offset += svlen;
		1824
		1825	if (offset < 0 || offset > svlen)
		1826	croak ("offset outside of scalar");
		1827
		1828	if (!SvOK (length) || len + offset > svlen)
		1829	len = svlen - offset;
		1830
		1831	addr = (void *)(((intptr_t)addr) + offset);
		1832	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1833	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1834	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	1835	#else
1478	RETVAL = -1;	1836	RETVAL = EIO_ENOSYS ();
1479	errno = ENOSYS;
1480	#endif	1837	#endif
		1838	}
1481	OUTPUT:	1839	OUTPUT:
1482	RETVAL	1840	RETVAL
1483		1841
1484	int	1842	int
1485	munlockall ()	1843	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1844	CODE:
1488	#if _POSIX_MEMLOCK	1845	#if _POSIX_MEMLOCK
1489	munlockall ();	1846	munlockall ();
1490	#else	1847	#else
		1848	RETVAL = EIO_ENOSYS ();
		1849	#endif
		1850	OUTPUT:
		1851	RETVAL
		1852
		1853	int
		1854	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1855	CODE:
		1856	{
		1857	#if HAVE_LINUX_SPLICE
		1858	loff_t off_in_, off_out_;
		1859	RETVAL = splice (
		1860	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1861	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1862	length, flags
		1863	);
		1864	#else
		1865	RETVAL = EIO_ENOSYS ();
		1866	#endif
		1867	}
		1868	OUTPUT:
		1869	RETVAL
		1870
		1871	int
		1872	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1873	CODE:
		1874	#if HAVE_LINUX_SPLICE
		1875	RETVAL = tee (rfh, wfh, length, flags);
		1876	#else
		1877	RETVAL = EIO_ENOSYS ();
		1878	#endif
		1879	OUTPUT:
		1880	RETVAL
		1881
		1882	int
		1883	pipesize (aio_rfd rfh, int new_size = -1)
		1884	PROTOTYPE: $;$
		1885	CODE:
		1886	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1887	if (new_size >= 0)
		1888	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1889	else
		1890	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1891	#else
		1892	errno = ENOSYS;
1491	RETVAL = -1;	1893	RETVAL = -1;
1492	errno = ENOSYS;
1493	#endif	1894	#endif
1494	OUTPUT:	1895	OUTPUT:
1495	RETVAL	1896	RETVAL
1496		1897
1497	void _on_next_submit (SV *cb)	1898	void _on_next_submit (SV *cb)
…		…
1499	SvREFCNT_dec (on_next_submit);	1900	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1901	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		1902
1502	PROTOTYPES: DISABLE	1903	PROTOTYPES: DISABLE
1503		1904
		1905	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1906
		1907	BOOT:
		1908	{
		1909	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1910	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1911	}
		1912
		1913	void
		1914	DESTROY (SV *self)
		1915	CODE:
		1916	{
		1917	aio_wd wd = SvAIO_WD (self);
		1918	#if HAVE_AT
		1919	{
		1920	SV *callback = &PL_sv_undef;
		1921	dREQ; /* clobbers next_pri :/ */
		1922	next_pri = req->pri; /* restore next_pri */
		1923	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1924	req->type = EIO_WD_CLOSE;
		1925	req->wd = wd;
		1926	REQ_SEND;
		1927	}
		1928	#else
		1929	eio_wd_close_sync (wd);
		1930	#endif
		1931	}
		1932
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1933	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		1934
1506	void	1935	void
1507	cancel (aio_req_ornot req)	1936	cancel (aio_req_ornot req)
1508	CODE:	1937	CODE:

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