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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs.
Revision 1.238 by root, Thu Jan 21 23:04:46 2016 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
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		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
		35	#endif
		36
21	/* perl namespace pollution */	37	/* perl namespace pollution */
22	#undef VERSION	38	#undef VERSION
23
24	#ifdef _WIN32
25
26	# define EIO_STRUCT_DIRENT Direntry_t
27	# undef malloc
28	# undef free
29
30	// perl overrides all those nice win32 functions
31	# undef open
32	# undef read
33	# undef write
34	# undef send
35	# undef recv
36	# undef stat
37	# undef fstat
38	# define lstat stat
39	# undef truncate
40	# undef ftruncate
41	# undef open
42	# undef close
43	# undef unlink
44	# undef rmdir
45	# undef rename
46	# undef lseek
47
48	# define chown(a,b,c) (errno = ENOSYS, -1)
49	# define fchown(a,b,c) (errno = ENOSYS, -1)
50	# define fchmod(a,b) (errno = ENOSYS, -1)
51	# define symlink(a,b) (errno = ENOSYS, -1)
52	# define readlink(a,b,c) (errno = ENOSYS, -1)
53	# define mknod(a,b,c) (errno = ENOSYS, -1)
54	# define truncate(a,b) (errno = ENOSYS, -1)
55	# define ftruncate(fd,o) chsize ((fd), (o))
56	# define fsync(fd) _commit (fd)
57	# define opendir(fd) (errno = ENOSYS, 0)
58	# define readdir(fd) (errno = ENOSYS, -1)
59	# define closedir(fd) (errno = ENOSYS, -1)
60	# define mkdir(a,b) mkdir (a)
61
62	#else
63
64	# include <sys/time.h>
65	# include <sys/select.h>
66	# include <unistd.h>
67	# include <utime.h>
68	# include <signal.h>
69	# define EIO_STRUCT_DIRENT struct dirent
70
71	#endif
72		39
73	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
74	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
75	#undef readdir	42	#undef readdir
76	#undef opendir	43	#undef opendir
77	#undef closedir	44	#undef closedir
78		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
79	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
80		82
81	/* use NV for 32 bit perls as it allows larger offsets */
82	#if IVSIZE >= 8
83	# define VAL64 IV
84	# define SvVAL64 SvIV
85	# define newSVval64 newSViv
86	#else	83	#else
87	# define VAL64 NV	84
88	# define SvVAL64 SvNV	85	#include <sys/time.h>
89	# 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
90	#endif	93	#endif
91		94
92	/*****************************************************************************/	95	/*****************************************************************************/
93		96
94	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
104		107
105	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
106	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
107	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
108		111
109	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110		113
111	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
112	SV *callback; \	115	SV *callback; \
113	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
114	STRLEN stroffset; \	118	STRLEN stroffset; \
115	SV *self;	119	SV *self;
116		120
117	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
118		122
		123	#include "libeio/config.h"
119	#include "libeio/eio.h"	124	#include "libeio/eio.h"
120
121	#ifndef POSIX_FADV_NORMAL
122	# define POSIX_FADV_NORMAL 0
123	# define NO_FADVISE 1
124	#endif
125
126	#ifndef POSIX_FADV_SEQUENTIAL
127	# define POSIX_FADV_SEQUENTIAL 0
128	#endif
129
130	#ifndef POSIX_FADV_RANDOM
131	# define POSIX_FADV_RANDOM 0
132	#endif
133
134	#ifndef POSIX_FADV_NOREUSE
135	# define POSIX_FADV_NOREUSE 0
136	#endif
137
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141
142	#ifndef POSIX_FADV_DONTNEED
143	# define POSIX_FADV_DONTNEED 0
144	#endif
145
146	#ifndef ST_NODEV
147	# define ST_NODEV 0
148	#endif
149
150	#ifndef ST_NOEXEC
151	# define ST_NOEXEC 0
152	#endif
153
154	#ifndef ST_SYNCHRONOUS
155	# define ST_SYNCHRONOUS 0
156	#endif
157
158	#ifndef ST_MANDLOCK
159	# define ST_MANDLOCK 0
160	#endif
161
162	#ifndef ST_WRITE
163	# define ST_WRITE 0
164	#endif
165
166	#ifndef ST_APPEND
167	# define ST_APPEND 0
168	#endif
169
170	#ifndef ST_IMMUTABLE
171	# define ST_IMMUTABLE 0
172	#endif
173
174	#ifndef ST_NOATIME
175	# define ST_NOATIME 0
176	#endif
177
178	#ifndef ST_NODIRATIME
179	# define ST_NODIRATIME 0
180	#endif
181
182	#ifndef ST_RELATIME
183	# define ST_RELATIME 0
184	#endif
185		125
186	static int req_invoke (eio_req *req);	126	static int req_invoke (eio_req *req);
187	#define EIO_FINISH(req) req_invoke (req)	127	#define EIO_FINISH(req) req_invoke (req)
188	static void req_destroy (eio_req *grp);	128	static void req_destroy (eio_req *grp);
189	#define EIO_DESTROY(req) req_destroy (req)	129	#define EIO_DESTROY(req) req_destroy (req)
190		130
		131	#include "libeio/eio.c"
		132
		133	#if !HAVE_POSIX_FADVISE
		134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		135	#endif
		136
		137	#if !HAVE_POSIX_MADVISE
		138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		139	#endif
		140
		141	#ifndef MAP_ANONYMOUS
		142	# ifdef MAP_ANON
		143	# define MAP_ANONYMOUS MAP_ANON
		144	# else
		145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		146	# endif
		147	#endif
		148
		149	/* defines all sorts of constants to 0 unless they are already defined */
		150	/* also provides const_iv_ and const_niv_ macros for them */
		151	#include "def0.h"
		152
		153	#ifndef makedev
		154	# define makedev(maj,min) (((maj) << 8) | (min))
		155	#endif
		156	#ifndef major
		157	# define major(dev) ((dev) >> 8)
		158	#endif
		159	#ifndef minor
		160	# define minor(dev) ((dev) & 0xff)
		161	#endif
		162
		163	#if PAGESIZE <= 0
		164	# define PAGESIZE sysconf (_SC_PAGESIZE)
		165	#endif
		166
		167	/*****************************************************************************/
		168
		169	static void
		170	fiemap (eio_req *req)
		171	{
		172	req->result = -1;
		173
		174	#if HAVE_FIEMAP
		175	/* assume some c99 */
		176	struct fiemap *fiemap = 0;
		177	size_t end_offset;
		178	int count = req->int3;
		179
		180	req->flags |= EIO_FLAG_PTR1_FREE;
		181
		182	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		183	/* increase in 3.5kb steps */
		184	if (count < 0)
		185	count = 8;
		186
		187	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		188	errno = ENOMEM;
		189	if (!fiemap)
		190	return;
		191
		192	req->ptr1 = fiemap;
		193
		194	fiemap->fm_start = req->offs;
		195	fiemap->fm_length = req->size;
		196	fiemap->fm_flags = req->int2;
		197	fiemap->fm_extent_count = count;
		198
		199	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		200	return;
		201
		202	if (req->int3 >= 0 /* not autosizing */
		203	|| !fiemap->fm_mapped_extents /* no more extents */
		204	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		205	goto done;
		206
		207	/* else we have to loop -
		208	* it would be tempting (actually I tried that first) to just query the
		209	* number of extents needed, but linux often feels like not returning all
		210	* extents, without telling us it left any out. this complicates
		211	* this quite a bit.
		212	*/
		213
		214	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		215
		216	for (;;)
		217	{
		218	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		219	char scratch[3072];
		220	struct fiemap *incmap = (struct fiemap *)scratch;
		221
		222	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		223	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		224	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		225	incmap->fm_flags = fiemap->fm_flags;
		226	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		227
		228	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		229	return;
		230
		231	if (!incmap->fm_mapped_extents)
		232	goto done;
		233
		234	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		235	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		236	errno = ENOMEM;
		237	if (!fiemap)
		238	return;
		239
		240	req->ptr1 = fiemap;
		241
		242	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		243	{
		244	struct fiemap_extent *e = incmap->fm_extents + count;
		245
		246	if (e->fe_logical + e->fe_length >= end_offset)
		247	goto done;
		248
		249	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		250
		251	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		252	goto done;
		253
		254	}
		255	}
		256
		257	done:
		258	req->result = 0;
		259
		260	#else
		261	errno = ENOSYS;
		262	#endif
		263	}
		264
		265	/*****************************************************************************/
		266
191	enum {	267	enum {
192	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
193	};	269	};
194		270
195	#include "libeio/eio.c"
196
197	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
198	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
199		274
200	static SV *on_next_submit;	275	static SV *on_next_submit;
201	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
202	static int max_outstanding;	277	static int max_outstanding;
203		278
204	static s_epipe respipe;	279	static s_epipe respipe;
205		280
206	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
207	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
208		283
209	static void want_poll (void)	284	static void
		285	want_poll (void)
210	{	286	{
211	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
212	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
213	}	289	}
214		290
215	static void done_poll (void)	291	static void
		292	done_poll (void)
216	{	293	{
217	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
218	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
219	}	296	}
220		297
221	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
222	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
223	{	301	{
224	if (!req->self)	302	if (!req->self)
225	{	303	{
226	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
227	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
228	}	306	}
229		307
230	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
231	}	309	}
232		310
233	static aio_req SvAIO_REQ (SV *sv)	311	static SV *
		312	newSVaio_wd (aio_wd wd)
		313	{
		314	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		315	}
		316
		317	static aio_req
		318	SvAIO_REQ (SV *sv)
234	{	319	{
235	MAGIC *mg;	320	MAGIC *mg;
236		321
237	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
238	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
239	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
240	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
241	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
242		328
243	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
244		330
245	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
246	}	332	}
247		333
		334	static aio_wd
		335	SvAIO_WD (SV *sv)
		336	{
		337	if (!SvROK (sv)
		338	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		339	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		340	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		341
		342	return (aio_wd)(long)SvIVX (SvRV (sv));
		343	}
		344
		345	static SV *
		346	newmortalFH (int fd, int flags)
		347	{
		348	if (fd < 0)
		349	return &PL_sv_undef;
		350
		351	GV *gv = (GV *)sv_newmortal ();
		352	char sym[64];
		353	int symlen;
		354
		355	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		356	gv_init (gv, aio_stash, sym, symlen, 0);
		357
		358	symlen = snprintf (
		359	sym,
		360	sizeof (sym),
		361	"%s&=%d",
		362	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		363	fd
		364	);
		365
		366	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		367	? (SV *)gv : &PL_sv_undef;
		368	}
		369
		370	static void
248	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
249	{	372	{
250	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
251	{	374	{
252	dSP;	375	dSP;
253		376
…		…
261	FREETMPS;	384	FREETMPS;
262	LEAVE;	385	LEAVE;
263	}	386	}
264	}	387	}
265		388
		389	static void
266	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
267	{	391	{
268	eio_submit (req);	392	eio_submit (req);
269		393
270	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
271	{	395	{
…		…
278	PUTBACK;	402	PUTBACK;
279	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
280	}	404	}
281	}	405	}
282		406
		407	static int
283	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
284	{	409	{
285	dSP;
286
287	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
288	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
289		412
290	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
291	{	414	{
		415	dSP;
		416	static SV *sv_result_cache; /* caches the result integer SV */
		417	SV *sv_result;
		418
292	ENTER;	419	ENTER;
293	SAVETMPS;	420	SAVETMPS;
294	PUSHMARK (SP);	421	PUSHMARK (SP);
295	EXTEND (SP, 1);	422	EXTEND (SP, 1);
296		423
		424	/* do not recreate the result IV from scratch each time */
		425	if (expect_true (sv_result_cache))
		426	{
		427	sv_result = sv_result_cache; sv_result_cache = 0;
		428	SvIV_set (sv_result, req->result);
		429	SvIOK_only (sv_result);
		430	}
		431	else
		432	{
		433	sv_result = newSViv (req->result);
		434	SvREADONLY_on (sv_result);
		435	}
		436
297	switch (req->type)	437	switch (req->type)
298	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
299	case EIO_READDIR:	443	case EIO_READDIR:
300	{	444	{
301	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
302		446
303	if (req->result >= 0)	447	if (req->result >= 0)
…		…
356	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	500	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
357	}	501	}
358	break;	502	break;
359		503
360	case EIO_OPEN:	504	case EIO_OPEN:
361	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
362	/* convert fd to fh */
363	SV *fh = &PL_sv_undef;
364
365	if (req->result >= 0)
366	{
367	GV *gv = (GV *)sv_newmortal ();
368	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
369	char sym [64];
370	int symlen;
371
372	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
373	gv_init (gv, aio_stash, sym, symlen, 0);
374
375	symlen = snprintf (
376	sym,
377	sizeof (sym),
378	"%s&=%d",
379	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
380	(int)req->result
381	);
382
383	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
384	fh = (SV *)gv;
385	}
386
387	PUSHs (fh);
388	}
389	break;	506	break;
390		507
391	case EIO_STATVFS:	508	case EIO_STATVFS:
392	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
393	{	510	{
394	SV *rv = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
395		512
		513	#ifndef _WIN32
396	if (req->result >= 0)	514	if (req->result >= 0)
397	{	515	{
398	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399	HV *hv = newHV ();	517	HV *hv = newHV ();
		518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		519	* chooses to make it a struct.
		520	*/
		521	unsigned long fsid = 0;
		522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
400		523
401	rv = sv_2mortal (newRV_noinc (hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
402		525
403	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	526	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	527	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
405	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);	528	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
406	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	529	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
407	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	530	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
408	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	531	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
409	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	532	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
410	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	533	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
411	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
412	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	535	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
413	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414	}	537	}
		538	#endif
415		539
416	PUSHs (rv);	540	PUSHs (rv);
417	}	541	}
418		542
419	break;	543	break;
…		…
435	case EIO_NOP:	559	case EIO_NOP:
436	case EIO_BUSY:	560	case EIO_BUSY:
437	break;	561	break;
438		562
439	case EIO_READLINK:	563	case EIO_READLINK:
		564	case EIO_REALPATH:
440	if (req->result > 0)	565	if (req->result > 0)
441	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	566	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
442	break;	567	break;
443		568
444	case EIO_STAT:	569	case EIO_STAT:
445	case EIO_LSTAT:	570	case EIO_LSTAT:
446	case EIO_FSTAT:	571	case EIO_FSTAT:
447	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
448	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
449	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450	PUSHs (sv_2mortal (newSViv (req->result)));	577
		578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
451	break;	583	break;
452		584
453	case EIO_READ:	585	case EIO_READ:
454	{	586	{
455	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	587	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
456	*SvEND (req->sv2) = 0;	588	*SvEND (req->sv2) = 0;
457	SvPOK_only (req->sv2);	589	SvPOK_only (req->sv2);
458	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
459	PUSHs (sv_2mortal (newSViv (req->result)));	591	PUSHs (sv_result);
460	}	592	}
461	break;	593	break;
462		594
463	case EIO_DUP2:	595	case EIO_CUSTOM:
		596	if (req->feed == fiemap)
		597	{
		598	#if HAVE_FIEMAP
		599	if (!req->result)
		600	{
		601	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		602
		603	if (fiemap->fm_extent_count)
		604	{
		605	AV *av = newAV ();
		606	int i;
		607
		608	while (fiemap->fm_mapped_extents)
		609	{
		610	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		611	AV *ext_av = newAV ();
		612
		613	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		614	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		615	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		616	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		617
		618	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		619	}
		620
		621	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		622	}
		623	else
		624	{
		625	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		626	PUSHs (sv_result);
		627	}
		628	}
		629	#endif
		630	}
		631	else
		632	PUSHs (sv_result);
		633	break;
		634
		635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464	if (req->result > 0)	636	if (req->result > 0)
465	req->result = 0;	637	SvIV_set (sv_result, 0);
466	/* FALLTHROUGH */	638	/* FALLTHROUGH */
467		639
468	default:	640	default:
469	PUSHs (sv_2mortal (newSViv (req->result)));	641	PUSHs (sv_result);
470	break;	642	break;
471	}	643	}
472		644
473	errno = req->errorno;	645	errno = req->errorno;
474		646
475	PUTBACK;	647	PUTBACK;
476	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	648	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477	SPAGAIN;	649	SPAGAIN;
478		650
		651	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		652	SvREFCNT_dec (sv_result);
		653	else
		654	sv_result_cache = sv_result;
		655
479	FREETMPS;	656	FREETMPS;
480	LEAVE;	657	LEAVE;
481		658
482	PUTBACK;	659	PUTBACK;
483	}	660	}
484		661
485	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
486	}	663	}
487		664
		665	static void
488	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
489	{	667	{
490	if (req->self)	668	if (req->self)
491	{	669	{
492	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
493	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
494	}	672	}
495		673
496	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
497	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
498	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
499		679
500	Safefree (req);	680	free (req);
501	}	681	}
502		682
		683	static void
503	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
504	{	685	{
505	aio_req sub;
506
507	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
508	return;	687	return;
509		688
510	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
511	grp->sv2 = 0;	690	grp->sv2 = 0;
512		691
513	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
514	}	693	}
515		694
516	static void	695	static void ecb_cold
517	create_respipe (void)	696	create_respipe (void)
518	{	697	{
519	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
520	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
521	}	700	}
522		701
523	static void poll_wait (void)	702	static void
		703	poll_wait (void)
524	{	704	{
525	while (eio_nreqs ())	705	while (eio_nreqs ())
526	{	706	{
527	int size;	707	int size;
528		708
529	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
530	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
531	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
532		712
533	if (size)	713	if (size)
534	return;	714	return;
535		715
536	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
537		717
538	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
539	}	719	}
540	}	720	}
541		721
542	static int poll_cb (void)	722	static int
		723	poll_cb (void)
543	{	724	{
544	for (;;)	725	for (;;)
545	{	726	{
546	int res = eio_poll ();	727	int res = eio_poll ();
547		728
…		…
553		734
554	poll_wait ();	735	poll_wait ();
555	}	736	}
556	}	737	}
557		738
558	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
559	{	741	{
560	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
561	}	746	}
		747
		748	/*****************************************************************************/
		749
		750	#if !_POSIX_MAPPED_FILES
		751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		752	# define munmap(addr,length) EIO_ENOSYS ()
		753	#endif
		754
		755	#if !_POSIX_MEMORY_PROTECTION
		756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		757	#endif
		758
		759	#define MMAP_MAGIC PERL_MAGIC_ext
		760
		761	static int ecb_cold
		762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		763	{
		764	int old_errno = errno;
		765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		766	errno = old_errno;
		767
		768	mg->mg_obj = 0; /* just in case */
		769
		770	SvREADONLY_off (sv);
		771
		772	if (SvPVX (sv) != mg->mg_ptr)
		773	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		774
		775	SvCUR_set (sv, 0);
		776	SvPVX (sv) = 0;
		777	SvOK_off (sv);
		778
		779	return 0;
		780	}
		781
		782	static MGVTBL mmap_vtbl = {
		783	0, 0, 0, 0, mmap_free
		784	};
		785
		786	/*****************************************************************************/
562		787
563	static SV *	788	static SV *
564	get_cb (SV *cb_sv)	789	get_cb (SV *cb_sv)
565	{	790	{
566	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
567	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568	}	793	}
569		794
		795	static aio_req ecb_noinline
		796	dreq (SV *callback)
		797	{
		798	SV *cb_cv;
		799	aio_req req;
		800	int req_pri = next_pri;
		801	next_pri = EIO_PRI_DEFAULT;
		802
		803	cb_cv = get_cb (callback);
		804
		805	req = calloc (sizeof (*req), 1);
		806	if (!req)
		807	croak ("out of memory during eio_req allocation");
		808
		809	req->callback = SvREFCNT_inc (cb_cv);
		810	req->pri = req_pri;
		811
		812	return req;
		813	}
		814
570	#define dREQ \	815	#define dREQ \
571	SV *cb_cv; \	816	aio_req req = dreq (callback); \
572	aio_req req; \
573	int req_pri = next_pri; \
574	next_pri = EIO_PRI_DEFAULT; \
575	\
576	cb_cv = get_cb (callback); \
577	\
578	Newz (0, req, 1, eio_req); \
579	if (!req) \
580	croak ("out of memory during eio_req allocation"); \
581	\
582	req->callback = SvREFCNT_inc (cb_cv); \
583	req->pri = req_pri
584		817
585	#define REQ_SEND \	818	#define REQ_SEND \
586	PUTBACK; \	819	PUTBACK; \
587	req_submit (req); \	820	req_submit (req); \
588	SPAGAIN; \	821	SPAGAIN; \
589	\	822	\
590	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
591	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
592		825
		826	ecb_inline void
		827	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		828	{
		829	if (expect_false (SvROK (path)))
		830	{
		831	SV *rv = SvRV (path);
		832	SV *wdob;
		833
		834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
		841	*wd = SvAIO_WD (wdob);
		842	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		843	}
		844	else
		845	*wd = EIO_INVALID_WD;
		846	}
		847	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		848	{
		849	*wd = (aio_wd)(long)SvIVX (rv);
		850	*wdsv = SvREFCNT_inc_NN (rv);
		851	*ptr = ".";
		852	return; /* path set to "." */
		853	}
		854	else
		855	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		856	}
		857
		858	*pathsv = newSVsv (path);
		859	*ptr = SvPVbyte_nolen (*pathsv);
		860	}
		861
		862	static void ecb_noinline
		863	req_set_path1 (aio_req req, SV *path)
		864	{
		865	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		870	{
		871	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		872
		873	switch (SvTYPE (rv))
		874	{
		875	case SVt_PVIO:
		876	case SVt_PVLV:
		877	case SVt_PVGV:
		878	req->type = type_fh;
		879	req->sv1 = newSVsv (fh_or_path);
		880	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		881	break;
		882
		883	default:
		884	req->type = type_path;
		885	req_set_path1 (req, fh_or_path);
		886	break;
		887	}
		888	}
		889
		890	XS(boot_IO__AIO) ecb_cold;
		891
593	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
594		893
595	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
596		895
597	BOOT:	896	BOOT:
598	{	897	{
599	static const struct {	898	static const struct {
600	const char *name;	899	const char *name;
601	IV iv;	900	IV iv;
602	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
603	# define const_iv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
		903	# define const_iv(name) { # name, (IV) name },
604	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
605	const_iv (EXDEV , EXDEV)	905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
606	const_iv (ENOSYS , ENOSYS)	908	const_iv (ENOSYS)
607	const_iv (O_RDONLY, O_RDONLY)	909	const_iv (EXDEV)
608	const_iv (O_WRONLY, O_WRONLY)	910	const_iv (EBADR)
609	const_iv (O_CREAT , O_CREAT)	911
610	const_iv (O_TRUNC , O_TRUNC)	912	/* for lseek */
611	#ifndef _WIN32	913	const_iv (SEEK_DATA)
612	const_iv (S_IFIFO , S_IFIFO)	914	const_iv (SEEK_HOLE)
613	#endif	915
614	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620		922
621	const_iv (ST_RDONLY , ST_RDONLY)	923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622	const_iv (ST_NOSUID , ST_NOSUID)	924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623	const_iv (ST_NODEV , ST_NODEV)	925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624	const_iv (ST_NOEXEC , ST_NOEXEC)	926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		928
		929	/* the second block will be 0 when missing */
		930	const_iv (O_RDONLY)
		931	const_iv (O_WRONLY)
		932	const_iv (O_RDWR)
		933	const_iv (O_CREAT)
		934	const_iv (O_TRUNC)
		935	const_iv (O_EXCL)
		936	const_iv (O_APPEND)
		937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
		954	const_iv (O_TTY_INIT)
		955
		956	const_iv (S_IFIFO)
		957	const_iv (S_IFCHR)
		958	const_iv (S_IFBLK)
		959	const_iv (S_IFLNK)
		960	const_iv (S_IFREG)
		961	const_iv (S_IFDIR)
		962	const_iv (S_IFWHT)
		963	const_iv (S_IFSOCK)
		964	const_iv (S_IFMT)
		965
		966	const_iv (ST_RDONLY)
		967	const_iv (ST_NOSUID)
		968	const_iv (ST_NODEV)
		969	const_iv (ST_NOEXEC)
625	const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)	970	const_iv (ST_SYNCHRONOUS)
626	const_iv (ST_MANDLOCK , ST_MANDLOCK)	971	const_iv (ST_MANDLOCK)
627	const_iv (ST_WRITE , ST_WRITE)	972	const_iv (ST_WRITE)
628	const_iv (ST_APPEND , ST_APPEND)	973	const_iv (ST_APPEND)
629	const_iv (ST_IMMUTABLE , ST_IMMUTABLE)	974	const_iv (ST_IMMUTABLE)
630	const_iv (ST_NOATIME , ST_NOATIME)	975	const_iv (ST_NOATIME)
631	const_iv (ST_NODIRATIME , ST_NODIRATIME)	976	const_iv (ST_NODIRATIME)
632	const_iv (ST_RELATIME , ST_RELATIME)	977	const_iv (ST_RELATIME)
		978
		979	const_iv (PROT_NONE)
		980	const_iv (PROT_EXEC)
		981	const_iv (PROT_READ)
		982	const_iv (PROT_WRITE)
		983
		984	const_iv (MAP_PRIVATE)
		985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
		987	const_iv (MAP_ANONYMOUS)
		988
		989	/* linuxish */
		990	const_iv (MAP_LOCKED)
		991	const_iv (MAP_NORESERVE)
		992	const_iv (MAP_POPULATE)
		993	const_iv (MAP_NONBLOCK)
		994	const_iv (MAP_GROWSDOWN)
		995	const_iv (MAP_32BIT)
		996	const_iv (MAP_HUGETLB)
		997	const_iv (MAP_STACK)
		998
		999	const_iv (FIEMAP_FLAG_SYNC)
		1000	const_iv (FIEMAP_FLAG_XATTR)
		1001	const_iv (FIEMAP_FLAGS_COMPAT)
		1002	const_iv (FIEMAP_EXTENT_LAST)
		1003	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1004	const_iv (FIEMAP_EXTENT_DELALLOC)
		1005	const_iv (FIEMAP_EXTENT_ENCODED)
		1006	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1007	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1008	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1009	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1010	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1011	const_iv (FIEMAP_EXTENT_MERGED)
		1012	const_iv (FIEMAP_EXTENT_SHARED)
		1013
		1014	const_iv (SPLICE_F_MOVE)
		1015	const_iv (SPLICE_F_NONBLOCK)
		1016	const_iv (SPLICE_F_MORE)
		1017	const_iv (SPLICE_F_GIFT)
		1018
		1019	/* these are libeio constants, and are independent of gendef0 */
		1020	const_eio (SEEK_SET)
		1021	const_eio (SEEK_CUR)
		1022	const_eio (SEEK_END)
		1023
		1024	const_eio (MCL_FUTURE)
		1025	const_eio (MCL_CURRENT)
633		1026
634	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
635	const_eio (MS_INVALIDATE)	1028	const_eio (MS_INVALIDATE)
636	const_eio (MS_SYNC)	1029	const_eio (MS_SYNC)
637		1030
638	const_eio (MT_MODIFY)	1031	const_eio (MT_MODIFY)
639		1032
640	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
642	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1035	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1036
		1037	const_eio (FALLOC_FL_KEEP_SIZE)
		1038	const_eio (FALLOC_FL_PUNCH_HOLE)
		1039	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1040	const_eio (FALLOC_FL_ZERO_RANGE)
643		1041
644	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
645	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
646	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
647	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
658	};	1056	};
659		1057
660	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
661	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1060	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1061	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
663		1062
664	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1063	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
665	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
666		1065
667	create_respipe ();	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
668		1067
669	if (eio_init (want_poll, done_poll) < 0)	1068	reinit ();
670	croak ("IO::AIO: unable to initialise eio library");
671
672	/* atfork child called in fifo order, so before eio's handler */
673	X_THREAD_ATFORK (0, 0, atfork_child);
674	}	1069	}
675		1070
676	void	1071	void
		1072	reinit ()
		1073	PROTOTYPE:
		1074
		1075	void
677	max_poll_reqs (int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
678	PROTOTYPE: $	1077	PROTOTYPE: $
679	CODE:	1078	CODE:
680	eio_set_max_poll_reqs (nreqs);	1079	eio_set_max_poll_reqs (nreqs);
681		1080
682	void	1081	void
…		…
684	PROTOTYPE: $	1083	PROTOTYPE: $
685	CODE:	1084	CODE:
686	eio_set_max_poll_time (nseconds);	1085	eio_set_max_poll_time (nseconds);
687		1086
688	void	1087	void
689	min_parallel (int nthreads)	1088	min_parallel (unsigned int nthreads)
690	PROTOTYPE: $	1089	PROTOTYPE: $
691	CODE:	1090	CODE:
692	eio_set_min_parallel (nthreads);	1091	eio_set_min_parallel (nthreads);
693		1092
694	void	1093	void
695	max_parallel (int nthreads)	1094	max_parallel (unsigned int nthreads)
696	PROTOTYPE: $	1095	PROTOTYPE: $
697	CODE:	1096	CODE:
698	eio_set_max_parallel (nthreads);	1097	eio_set_max_parallel (nthreads);
699		1098
700	void	1099	void
701	max_idle (int nthreads)	1100	max_idle (unsigned int nthreads)
702	PROTOTYPE: $	1101	PROTOTYPE: $
703	CODE:	1102	CODE:
704	eio_set_max_idle (nthreads);	1103	eio_set_max_idle (nthreads);
705		1104
706	void	1105	void
		1106	idle_timeout (unsigned int seconds)
		1107	PROTOTYPE: $
		1108	CODE:
		1109	eio_set_idle_timeout (seconds);
		1110
		1111	void
707	max_outstanding (int maxreqs)	1112	max_outstanding (unsigned int maxreqs)
708	PROTOTYPE: $	1113	PROTOTYPE: $
709	CODE:	1114	CODE:
710	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
711		1116
712	void	1117	void
713	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
714	PROTOTYPE: $$$;$
715	PPCODE:	1119	PPCODE:
716	{	1120	{
717	dREQ;	1121	dREQ;
718		1122
		1123	req->type = EIO_WD_OPEN;
		1124	req_set_path1 (req, pathname);
		1125
		1126	REQ_SEND;
		1127	}
		1128
		1129	void
		1130	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1131	PPCODE:
		1132	{
		1133	dREQ;
		1134
719	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
720	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
721	req->ptr1 = SvPVbyte_nolen (req->sv1);
722	req->int1 = flags;	1137	req->int1 = flags;
723	req->int2 = mode;	1138	req->int2 = mode;
724		1139
725	REQ_SEND;	1140	REQ_SEND;
726	}	1141	}
727		1142
728	void	1143	void
729	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
730	PROTOTYPE: $;$
731	ALIAS:	1145	ALIAS:
732	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
733	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
734	PPCODE:	1149	PPCODE:
735	{	1150	{
736	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
737	dREQ;	1152	dREQ;
738		1153
739	req->type = ix;	1154	req->type = ix;
740	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
741	req->int1 = fd;	1156	req->int1 = fd;
742		1157
743	REQ_SEND (req);	1158	REQ_SEND;
744	}	1159	}
745		1160
746	void	1161	void
747	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1162	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
748	PROTOTYPE: $$$$;$
749	PPCODE:	1163	PPCODE:
750	{	1164	{
751	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
752	dREQ;	1166	dREQ;
753		1167
754	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
755	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
756	req->int1 = fd;	1170	req->int1 = fd;
757	req->offs = offset;	1171	req->offs = offset;
758	req->size = nbytes;	1172	req->size = nbytes;
759	req->int2 = flags;	1173	req->int2 = flags;
760		1174
761	REQ_SEND (req);	1175	REQ_SEND;
762	}	1176	}
763		1177
764	void	1178	void
765	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1179	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
766	PROTOTYPE: $;$
767	PPCODE:	1180	PPCODE:
768	{	1181	{
769	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
771	dREQ;	1183	dREQ;
772		1184
773	if (close_pipe < 0)	1185	req->type = EIO_FALLOCATE;
		1186	req->sv1 = newSVsv (fh);
		1187	req->int1 = fd;
		1188	req->int2 = mode;
		1189	req->offs = offset;
		1190	req->size = len;
		1191
		1192	REQ_SEND;
		1193	}
		1194
		1195	void
		1196	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1197	PPCODE:
		1198	{
		1199	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1200	int fd = s_fileno_croak (fh, 0);
		1201	dREQ;
		1202
		1203	if (expect_false (close_fd < 0))
774	{	1204	{
775	int pipefd [2];	1205	int pipefd [2];
776		1206
		1207	if (
		1208	#ifdef _WIN32
		1209	_pipe (pipefd, 1, _O_BINARY) < 0
		1210	#else
777	if (pipe (pipefd) < 0	1211	pipe (pipefd) < 0
778	|| close (pipefd [1]) < 0
779	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1212	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1213	#endif
		1214	|| close (pipefd [1]) < 0
		1215	)
780	abort (); /*D*/	1216	abort (); /*D*/
781		1217
782	close_pipe = pipefd [0];	1218	close_fd = pipefd [0];
783	}	1219	}
784		1220
785	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
786	req->int1 = close_pipe;	1222	req->int1 = close_fd;
787	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
788	req->int2 = fd;	1224	req->int2 = fd;
789		1225
790	REQ_SEND (req);	1226	REQ_SEND;
791	}	1227	}
792		1228
793	void	1229	void
		1230	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1231	PPCODE:
		1232	{
		1233	int fd = s_fileno_croak (fh, 0);
		1234	dREQ;
		1235
		1236	req->type = EIO_SEEK;
		1237	req->sv1 = newSVsv (fh);
		1238	req->int1 = fd;
		1239	req->offs = SvVAL64 (offset);
		1240	req->int2 = whence;
		1241
		1242	REQ_SEND;
		1243	}
		1244
		1245	void
794	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1246	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
795	ALIAS:	1247	ALIAS:
796	aio_read = EIO_READ	1248	aio_read = EIO_READ
797	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
798	PROTOTYPE: $$$$$;$
799	PPCODE:	1250	PPCODE:
800	{	1251	{
801	STRLEN svlen;	1252	STRLEN svlen;
802	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1253	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803	char *svptr = SvPVbyte (data, svlen);	1254	char *svptr = SvPVbyte (data, svlen);
…		…
816	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
817	}	1268	}
818	else	1269	else
819	{	1270	{
820	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
821	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
822	svptr = SvGROW (data, len + dataoffset + 1);	1273	svptr = sv_grow (data, len + dataoffset + 1);
		1274	else if (SvCUR (data) < len + dataoffset)
		1275	croak ("length + dataoffset outside of scalar, and cannot grow");
823	}	1276	}
824		1277
825	{	1278	{
826	dREQ;	1279	dREQ;
827		1280
…		…
843	REQ_SEND;	1296	REQ_SEND;
844	}	1297	}
845	}	1298	}
846		1299
847	void	1300	void
848	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1301	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
849	PROTOTYPE: $$;$	1302	ALIAS:
		1303	aio_readlink = EIO_READLINK
		1304	aio_realpath = EIO_REALPATH
850	PPCODE:	1305	PPCODE:
851	{	1306	{
852	SV *data;
853	dREQ;	1307	dREQ;
854		1308
855	req->type = EIO_READLINK;	1309	req->type = ix;
856	req->sv1 = newSVsv (path);	1310	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858		1311
859	REQ_SEND;	1312	REQ_SEND;
860	}	1313	}
861		1314
862	void	1315	void
863	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1316	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
864	PROTOTYPE: $$$$;$
865	PPCODE:	1317	PPCODE:
866	{	1318	{
867	int ifd = s_fileno_croak (in_fh , 0);	1319	int ifd = s_fileno_croak (in_fh , 0);
868	int ofd = s_fileno_croak (out_fh, 1);	1320	int ofd = s_fileno_croak (out_fh, 1);
869	dREQ;	1321	dREQ;
870		1322
871	req->type = EIO_SENDFILE;	1323	req->type = EIO_SENDFILE;
872	req->sv1 = newSVsv (out_fh);	1324	req->sv1 = newSVsv (out_fh);
873	req->int1 = ofd;	1325	req->int1 = ofd;
…		…
878		1330
879	REQ_SEND;	1331	REQ_SEND;
880	}	1332	}
881		1333
882	void	1334	void
883	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1335	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
884	PROTOTYPE: $$$;$
885	PPCODE:	1336	PPCODE:
886	{	1337	{
887	int fd = s_fileno_croak (fh, 0);	1338	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1339	dREQ;
889		1340
890	req->type = EIO_READAHEAD;	1341	req->type = EIO_READAHEAD;
891	req->sv1 = newSVsv (fh);	1342	req->sv1 = newSVsv (fh);
892	req->int1 = fd;	1343	req->int1 = fd;
…		…
895		1346
896	REQ_SEND;	1347	REQ_SEND;
897	}	1348	}
898		1349
899	void	1350	void
900	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1351	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
901	ALIAS:	1352	ALIAS:
902	aio_stat = EIO_STAT	1353	aio_stat = EIO_STAT
903	aio_lstat = EIO_LSTAT	1354	aio_lstat = EIO_LSTAT
904	aio_statvfs = EIO_STATVFS	1355	aio_statvfs = EIO_STATVFS
905	PPCODE:	1356	PPCODE:
906	{	1357	{
907	dREQ;	1358	dREQ;
908		1359
909	req->sv1 = newSVsv (fh_or_path);	1360	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
910
911	if (SvPOK (req->sv1))
912	{
913	req->type = ix;
914	req->ptr1 = SvPVbyte_nolen (req->sv1);
915	}
916	else
917	{
918	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
919	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
920	}
921		1361
922	REQ_SEND;	1362	REQ_SEND;
923	}	1363	}
924		1364
		1365	UV
		1366	major (UV dev)
		1367	ALIAS:
		1368	minor = 1
		1369	CODE:
		1370	RETVAL = ix ? major (dev) : minor (dev);
		1371	OUTPUT:
		1372	RETVAL
		1373
		1374	UV
		1375	makedev (UV maj, UV min)
		1376	CODE:
		1377	RETVAL = makedev (maj, min);
		1378	OUTPUT:
		1379	RETVAL
		1380
925	void	1381	void
926	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1382	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
927	PPCODE:	1383	PPCODE:
928	{	1384	{
929	dREQ;	1385	dREQ;
930		1386
931	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1387	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
932	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1388	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
933	req->sv1 = newSVsv (fh_or_path);	1389	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
934
935	if (SvPOK (req->sv1))
936	{
937	req->type = EIO_UTIME;
938	req->ptr1 = SvPVbyte_nolen (req->sv1);
939	}
940	else
941	{
942	req->type = EIO_FUTIME;
943	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
944	}
945		1390
946	REQ_SEND;	1391	REQ_SEND;
947	}	1392	}
948		1393
949	void	1394	void
950	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1395	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
951	PPCODE:	1396	PPCODE:
952	{	1397	{
953	dREQ;	1398	dREQ;
954		1399
955	req->sv1 = newSVsv (fh_or_path);
956	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1400	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
957		1401	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
958	if (SvPOK (req->sv1))
959	{
960	req->type = EIO_TRUNCATE;
961	req->ptr1 = SvPVbyte_nolen (req->sv1);
962	}
963	else
964	{
965	req->type = EIO_FTRUNCATE;
966	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
967	}
968		1402
969	REQ_SEND;	1403	REQ_SEND;
970	}	1404	}
971		1405
972	void	1406	void
973	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1407	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
974	ALIAS:
975	aio_chmod = EIO_CHMOD
976	aio_mkdir = EIO_MKDIR
977	PPCODE:	1408	PPCODE:
978	{	1409	{
979	dREQ;	1410	dREQ;
980		1411
981	req->int2 = mode;	1412	req->int2 = mode;
982	req->sv1 = newSVsv (fh_or_path);	1413	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
983
984	if (SvPOK (req->sv1))
985	{
986	req->type = ix;
987	req->ptr1 = SvPVbyte_nolen (req->sv1);
988	}
989	else
990	{
991	req->type = EIO_FCHMOD;
992	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
993	}
994		1414
995	REQ_SEND;	1415	REQ_SEND;
996	}	1416	}
997		1417
998	void	1418	void
999	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1419	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1000	PPCODE:	1420	PPCODE:
1001	{	1421	{
1002	dREQ;	1422	dREQ;
1003		1423
1004	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1424	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1005	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1425	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1006	req->sv1 = newSVsv (fh_or_path);	1426	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1007
1008	if (SvPOK (req->sv1))
1009	{
1010	req->type = EIO_CHOWN;
1011	req->ptr1 = SvPVbyte_nolen (req->sv1);
1012	}
1013	else
1014	{
1015	req->type = EIO_FCHOWN;
1016	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1017	}
1018		1427
1019	REQ_SEND;	1428	REQ_SEND;
1020	}	1429	}
1021		1430
1022	void	1431	void
1023	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1432	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1024	PPCODE:	1433	PPCODE:
1025	{	1434	{
1026	dREQ;	1435	dREQ;
1027		1436
1028	req->type = EIO_READDIR;	1437	req->type = EIO_READDIR;
1029	req->sv1 = newSVsv (pathname);
1030	req->ptr1 = SvPVbyte_nolen (req->sv1);
1031	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1438	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1032		1439
1033	if (flags & EIO_READDIR_DENTS)	1440	if (flags & EIO_READDIR_DENTS)
1034	req->int1 |= EIO_READDIR_CUSTOM2;	1441	req->int1 |= EIO_READDIR_CUSTOM2;
1035		1442
		1443	req_set_path1 (req, pathname);
		1444
1036	REQ_SEND;	1445	REQ_SEND;
1037	}	1446	}
1038		1447
1039	void	1448	void
		1449	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1450	PPCODE:
		1451	{
		1452	dREQ;
		1453
		1454	req->type = EIO_MKDIR;
		1455	req->int2 = mode;
		1456	req_set_path1 (req, pathname);
		1457
		1458	REQ_SEND;
		1459	}
		1460
		1461	void
1040	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1462	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1041	ALIAS:	1463	ALIAS:
1042	aio_unlink = EIO_UNLINK	1464	aio_unlink = EIO_UNLINK
1043	aio_rmdir = EIO_RMDIR	1465	aio_rmdir = EIO_RMDIR
1044	aio_readdir = EIO_READDIR	1466	aio_readdir = EIO_READDIR
1045	PPCODE:	1467	PPCODE:
1046	{	1468	{
1047	dREQ;	1469	dREQ;
1048		1470
1049	req->type = ix;	1471	req->type = ix;
1050	req->sv1 = newSVsv (pathname);	1472	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1473
1053	REQ_SEND;	1474	REQ_SEND;
1054	}	1475	}
1055		1476
1056	void	1477	void
1057	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1478	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1058	ALIAS:	1479	ALIAS:
1059	aio_link = EIO_LINK	1480	aio_link = EIO_LINK
1060	aio_symlink = EIO_SYMLINK	1481	aio_symlink = EIO_SYMLINK
1061	aio_rename = EIO_RENAME	1482	aio_rename = EIO_RENAME
1062	PPCODE:	1483	PPCODE:
1063	{	1484	{
		1485	eio_wd wd2 = 0;
1064	dREQ;	1486	dREQ;
1065		1487
1066	req->type = ix;	1488	req->type = ix;
1067	req->sv1 = newSVsv (oldpath);	1489	req_set_path1 (req, oldpath);
1068	req->ptr1 = SvPVbyte_nolen (req->sv1);	1490	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1069	req->sv2 = newSVsv (newpath);	1491	req->int3 = (long)wd2;
1070	req->ptr2 = SvPVbyte_nolen (req->sv2);
1071		1492
1072	REQ_SEND;	1493	REQ_SEND;
1073	}	1494	}
1074		1495
1075	void	1496	void
1076	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1497	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1077	PPCODE:	1498	PPCODE:
1078	{	1499	{
1079	dREQ;	1500	dREQ;
1080		1501
1081	req->type = EIO_MKNOD;	1502	req->type = EIO_MKNOD;
1082	req->sv1 = newSVsv (pathname);
1083	req->ptr1 = SvPVbyte_nolen (req->sv1);
1084	req->int2 = (mode_t)mode;	1503	req->int2 = (mode_t)mode;
1085	req->offs = dev;	1504	req->offs = dev;
		1505	req_set_path1 (req, pathname);
1086		1506
1087	REQ_SEND;	1507	REQ_SEND;
1088	}	1508	}
1089		1509
1090	void	1510	void
1091	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1511	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1092	ALIAS:	1512	ALIAS:
1093	aio_mtouch = EIO_MTOUCH	1513	aio_mtouch = EIO_MTOUCH
1094	aio_msync = EIO_MSYNC	1514	aio_msync = EIO_MSYNC
1095	PROTOTYPE: $$$$;$
1096	PPCODE:	1515	PPCODE:
1097	{	1516	{
1098	STRLEN svlen;	1517	STRLEN svlen;
		1518	char *svptr = SvPVbyte (data, svlen);
1099	UV len = SvUV (length);	1519	UV len = SvUV (length);
1100	char *svptr = SvPVbyte (data, svlen);
1101		1520
1102	if (offset < 0)	1521	if (offset < 0)
1103	offset += svlen;	1522	offset += svlen;
1104		1523
1105	if (offset < 0 || offset > svlen)	1524	if (offset < 0 || offset > svlen)
…		…
1110		1529
1111	{	1530	{
1112	dREQ;	1531	dREQ;
1113		1532
1114	req->type = ix;	1533	req->type = ix;
1115	req->size = len;
1116	req->sv2 = SvREFCNT_inc (data);	1534	req->sv2 = SvREFCNT_inc (data);
1117	req->ptr2 = (char *)svptr + offset;	1535	req->ptr2 = (char *)svptr + offset;
		1536	req->size = len;
1118	req->int1 = flags;	1537	req->int1 = flags;
1119		1538
1120	REQ_SEND;	1539	REQ_SEND;
1121	}	1540	}
1122	}	1541	}
1123		1542
1124	void	1543	void
		1544	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1545	PPCODE:
		1546	{
		1547	STRLEN svlen;
		1548	char *svptr = SvPVbyte (data, svlen);
		1549	UV len = SvUV (length);
		1550
		1551	if (offset < 0)
		1552	offset += svlen;
		1553
		1554	if (offset < 0 || offset > svlen)
		1555	croak ("offset outside of scalar");
		1556
		1557	if (!SvOK (length) || len + offset > svlen)
		1558	len = svlen - offset;
		1559
		1560	{
		1561	dREQ;
		1562
		1563	req->type = EIO_MLOCK;
		1564	req->sv2 = SvREFCNT_inc (data);
		1565	req->ptr2 = (char *)svptr + offset;
		1566	req->size = len;
		1567
		1568	REQ_SEND;
		1569	}
		1570	}
		1571
		1572	void
		1573	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1574	PPCODE:
		1575	{
		1576	dREQ;
		1577
		1578	req->type = EIO_MLOCKALL;
		1579	req->int1 = flags;
		1580
		1581	REQ_SEND;
		1582	}
		1583
		1584	void
		1585	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1586	PPCODE:
		1587	{
		1588	int fd = s_fileno_croak (fh, 0);
		1589	dREQ;
		1590
		1591	req->type = EIO_CUSTOM;
		1592	req->sv1 = newSVsv (fh);
		1593	req->int1 = fd;
		1594
		1595	req->feed = fiemap;
		1596	#if HAVE_FIEMAP
		1597	/* keep our fingers crossed that the next two types are 64 bit */
		1598	req->offs = start;
		1599	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1600	req->int2 = flags;
		1601	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1602	#endif
		1603
		1604	REQ_SEND;
		1605	}
		1606
		1607	void
1125	aio_busy (double delay, SV *callback=&PL_sv_undef)	1608	aio_busy (double delay, SV *callback = &PL_sv_undef)
1126	PPCODE:	1609	PPCODE:
1127	{	1610	{
1128	dREQ;	1611	dREQ;
1129		1612
1130	req->type = EIO_BUSY;	1613	req->type = EIO_BUSY;
…		…
1132		1615
1133	REQ_SEND;	1616	REQ_SEND;
1134	}	1617	}
1135		1618
1136	void	1619	void
1137	aio_group (SV *callback=&PL_sv_undef)	1620	aio_group (SV *callback = &PL_sv_undef)
1138	PROTOTYPE: ;$
1139	PPCODE:	1621	PPCODE:
1140	{	1622	{
1141	dREQ;	1623	dREQ;
1142		1624
1143	req->type = EIO_GROUP;	1625	req->type = EIO_GROUP;
1144		1626
		1627	PUTBACK;
1145	req_submit (req);	1628	req_submit (req);
		1629	SPAGAIN;
		1630
1146	XPUSHs (req_sv (req, aio_grp_stash));	1631	XPUSHs (req_sv (req, aio_grp_stash));
1147	}	1632	}
1148		1633
1149	void	1634	void
1150	aio_nop (SV *callback=&PL_sv_undef)	1635	aio_nop (SV *callback = &PL_sv_undef)
1151	ALIAS:	1636	ALIAS:
1152	aio_nop = EIO_NOP	1637	aio_nop = EIO_NOP
1153	aio_sync = EIO_SYNC	1638	aio_sync = EIO_SYNC
1154	PPCODE:	1639	PPCODE:
1155	{	1640	{
…		…
1159		1644
1160	REQ_SEND;	1645	REQ_SEND;
1161	}	1646	}
1162		1647
1163	int	1648	int
1164	aioreq_pri (int pri = 0)	1649	aioreq_pri (int pri = NO_INIT)
1165	PROTOTYPE: ;$
1166	CODE:	1650	CODE:
1167	RETVAL = next_pri;	1651	RETVAL = next_pri;
1168	if (items > 0)	1652	if (items > 0)
1169	{	1653	{
1170	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1654	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1182	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1666	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183	next_pri = nice;	1667	next_pri = nice;
1184		1668
1185	void	1669	void
1186	flush ()	1670	flush ()
1187	PROTOTYPE:
1188	CODE:	1671	CODE:
1189	while (eio_nreqs ())	1672	while (eio_nreqs ())
1190	{	1673	{
1191	poll_wait ();	1674	poll_wait ();
1192	poll_cb ();	1675	poll_cb ();
1193	}	1676	}
1194		1677
1195	int	1678	int
1196	poll()	1679	poll ()
1197	PROTOTYPE:
1198	CODE:	1680	CODE:
1199	poll_wait ();	1681	poll_wait ();
1200	RETVAL = poll_cb ();	1682	RETVAL = poll_cb ();
1201	OUTPUT:	1683	OUTPUT:
1202	RETVAL	1684	RETVAL
1203		1685
1204	int	1686	int
1205	poll_fileno()	1687	poll_fileno ()
1206	PROTOTYPE:
1207	CODE:	1688	CODE:
1208	RETVAL = s_epipe_fd (&respipe);	1689	RETVAL = s_epipe_fd (&respipe);
1209	OUTPUT:	1690	OUTPUT:
1210	RETVAL	1691	RETVAL
1211		1692
1212	int	1693	int
1213	poll_cb(...)	1694	poll_cb (...)
1214	PROTOTYPE:	1695	PROTOTYPE:
1215	CODE:	1696	CODE:
1216	RETVAL = poll_cb ();	1697	RETVAL = poll_cb ();
1217	OUTPUT:	1698	OUTPUT:
1218	RETVAL	1699	RETVAL
1219		1700
1220	void	1701	void
1221	poll_wait()	1702	poll_wait ()
1222	PROTOTYPE:
1223	CODE:	1703	CODE:
1224	poll_wait ();	1704	poll_wait ();
1225		1705
1226	int	1706	int
1227	nreqs()	1707	nreqs ()
1228	PROTOTYPE:
1229	CODE:	1708	CODE:
1230	RETVAL = eio_nreqs ();	1709	RETVAL = eio_nreqs ();
1231	OUTPUT:	1710	OUTPUT:
1232	RETVAL	1711	RETVAL
1233		1712
1234	int	1713	int
1235	nready()	1714	nready ()
1236	PROTOTYPE:
1237	CODE:	1715	CODE:
1238	RETVAL = eio_nready ();	1716	RETVAL = eio_nready ();
1239	OUTPUT:	1717	OUTPUT:
1240	RETVAL	1718	RETVAL
1241		1719
1242	int	1720	int
1243	npending()	1721	npending ()
1244	PROTOTYPE:
1245	CODE:	1722	CODE:
1246	RETVAL = eio_npending ();	1723	RETVAL = eio_npending ();
1247	OUTPUT:	1724	OUTPUT:
1248	RETVAL	1725	RETVAL
1249		1726
1250	int	1727	int
1251	nthreads()	1728	nthreads ()
1252	PROTOTYPE:
1253	CODE:	1729	CODE:
1254	RETVAL = eio_nthreads ();	1730	RETVAL = eio_nthreads ();
1255	OUTPUT:	1731	OUTPUT:
1256	RETVAL	1732	RETVAL
1257		1733
1258	int	1734	int
1259	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1735	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260	PROTOTYPE: $$$$
1261	CODE:	1736	CODE:
1262	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263	RETVAL = posix_fadvise (fh, offset, length, advice);	1737	RETVAL = posix_fadvise (fh, offset, length, advice);
1264	#else
1265	RETVAL = errno = ENOSYS;
1266	#endif
1267	OUTPUT:	1738	OUTPUT:
1268	RETVAL	1739	RETVAL
1269		1740
1270	ssize_t	1741	IV
1271	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1742	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272	PROTOTYPE: $$$$
1273	CODE:	1743	CODE:
1274	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1744	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275	OUTPUT:	1745	OUTPUT:
1276	RETVAL	1746	RETVAL
1277		1747
		1748	void
		1749	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
		1750	PPCODE:
		1751	sv_unmagic (scalar, MMAP_MAGIC);
		1752	{
		1753	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1754	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1755	if (addr == (void *)-1)
		1756	XSRETURN_NO;
		1757
		1758	sv_force_normal (scalar);
		1759
		1760	/* we store the length in mg_obj, as namlen is I32 :/ */
		1761	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1762	->mg_obj = (SV *)length;
		1763
		1764	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1765
		1766	if (!(prot & PROT_WRITE))
		1767	SvREADONLY_on (scalar);
		1768
		1769	if (SvLEN (scalar))
		1770	Safefree (SvPVX (scalar));
		1771
		1772	SvPVX (scalar) = (char *)addr;
		1773	SvCUR_set (scalar, length);
		1774	SvLEN_set (scalar, 0);
		1775	SvPOK_only (scalar);
		1776
		1777	XSRETURN_YES;
		1778	}
		1779
		1780	void
		1781	munmap (SV *scalar)
		1782	CODE:
		1783	sv_unmagic (scalar, MMAP_MAGIC);
		1784
		1785	int
		1786	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1787	ALIAS:
		1788	mprotect = 1
		1789	CODE:
		1790	{
		1791	STRLEN svlen;
		1792	void *addr = SvPVbyte (scalar, svlen);
		1793	STRLEN len = SvUV (length);
		1794
		1795	if (offset < 0)
		1796	offset += svlen;
		1797
		1798	if (offset < 0 || offset > svlen)
		1799	croak ("offset outside of scalar");
		1800
		1801	if (!SvOK (length) || len + offset > svlen)
		1802	len = svlen - offset;
		1803
		1804	addr = (void *)(((intptr_t)addr) + offset);
		1805	eio_page_align (&addr, &len);
		1806
		1807	switch (ix)
		1808	{
		1809	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1810	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1811	}
		1812	}
		1813	OUTPUT:
		1814	RETVAL
		1815
		1816	int
		1817	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1818	CODE:
		1819	{
		1820	STRLEN svlen;
		1821	void *addr = SvPVbyte (scalar, svlen);
		1822	size_t len = SvUV (length);
		1823
		1824	if (offset < 0)
		1825	offset += svlen;
		1826
		1827	if (offset < 0 || offset > svlen)
		1828	croak ("offset outside of scalar");
		1829
		1830	if (!SvOK (length) || len + offset > svlen)
		1831	len = svlen - offset;
		1832
		1833	addr = (void *)(((intptr_t)addr) + offset);
		1834	eio_page_align (&addr, &len);
		1835	#if _POSIX_MEMLOCK_RANGE
		1836	RETVAL = munlock (addr, len);
		1837	#else
		1838	RETVAL = EIO_ENOSYS ();
		1839	#endif
		1840	}
		1841	OUTPUT:
		1842	RETVAL
		1843
		1844	int
		1845	munlockall ()
		1846	CODE:
		1847	#if _POSIX_MEMLOCK
		1848	munlockall ();
		1849	#else
		1850	RETVAL = EIO_ENOSYS ();
		1851	#endif
		1852	OUTPUT:
		1853	RETVAL
		1854
		1855	int
		1856	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1857	CODE:
		1858	{
		1859	#if HAVE_LINUX_SPLICE
		1860	loff_t off_in_, off_out_;
		1861	RETVAL = splice (
		1862	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1863	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1864	length, flags
		1865	);
		1866	#else
		1867	RETVAL = EIO_ENOSYS ();
		1868	#endif
		1869	}
		1870	OUTPUT:
		1871	RETVAL
		1872
		1873	int
		1874	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1875	CODE:
		1876	#if HAVE_LINUX_SPLICE
		1877	RETVAL = tee (rfh, wfh, length, flags);
		1878	#else
		1879	RETVAL = EIO_ENOSYS ();
		1880	#endif
		1881	OUTPUT:
		1882	RETVAL
		1883
		1884	int
		1885	pipesize (aio_rfd rfh, int new_size = -1)
		1886	PROTOTYPE: $;$
		1887	CODE:
		1888	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1889	if (new_size >= 0)
		1890	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1891	else
		1892	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1893	#else
		1894	errno = ENOSYS;
		1895	RETVAL = -1;
		1896	#endif
		1897	OUTPUT:
		1898	RETVAL
		1899
		1900	void
		1901	pipe2 (int flags = 0)
		1902	PROTOTYPE: ;$
		1903	PPCODE:
		1904	{
		1905	int fd[2];
		1906	int res;
		1907
		1908	if (flags)
		1909	#if HAVE_PIPE2
		1910	res = pipe2 (fd, flags);
		1911	#else
		1912	res = (errno = ENOSYS, -1);
		1913	#endif
		1914	else
		1915	res = pipe (fd);
		1916
		1917	if (!res)
		1918	{
		1919	EXTEND (SP, 2);
		1920	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1921	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1922	}
		1923	}
		1924
1278	void _on_next_submit (SV *cb)	1925	void _on_next_submit (SV *cb)
1279	CODE:	1926	CODE:
1280	SvREFCNT_dec (on_next_submit);	1927	SvREFCNT_dec (on_next_submit);
1281	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1928	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282		1929
1283	PROTOTYPES: DISABLE	1930	PROTOTYPES: DISABLE
1284		1931
		1932	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1933
		1934	BOOT:
		1935	{
		1936	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1937	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1938	}
		1939
		1940	void
		1941	DESTROY (SV *self)
		1942	CODE:
		1943	{
		1944	aio_wd wd = SvAIO_WD (self);
		1945	#if HAVE_AT
		1946	{
		1947	SV *callback = &PL_sv_undef;
		1948	dREQ; /* clobbers next_pri :/ */
		1949	next_pri = req->pri; /* restore next_pri */
		1950	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1951	req->type = EIO_WD_CLOSE;
		1952	req->wd = wd;
		1953	REQ_SEND;
		1954	}
		1955	#else
		1956	eio_wd_close_sync (wd);
		1957	#endif
		1958	}
		1959
1285	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1960	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1286		1961
1287	void	1962	void
1288	cancel (aio_req_ornot req)	1963	cancel (aio_req_ornot req)
1289	CODE:	1964	CODE:
1290	eio_cancel (req);	1965	eio_cancel (req);
1291		1966
1292	void	1967	void
1293	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1968	cb (aio_req_ornot req, SV *callback = NO_INIT)
1294	PPCODE:	1969	PPCODE:
1295	{	1970	{
1296	if (GIMME_V != G_VOID)	1971	if (GIMME_V != G_VOID)
1297	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1972	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1298		1973
1299	if (items > 1)	1974	if (items > 1)
1300	{	1975	{
1301	SV *cb_cv =get_cb (callback);	1976	SV *cb_cv = get_cb (callback);
1302		1977
1303	SvREFCNT_dec (req->callback);	1978	SvREFCNT_dec (req->callback);
1304	req->callback = SvREFCNT_inc (cb_cv);	1979	req->callback = SvREFCNT_inc (cb_cv);
1305	}	1980	}
1306	}	1981	}
…		…
1363	limit (aio_req grp, int limit)	2038	limit (aio_req grp, int limit)
1364	CODE:	2039	CODE:
1365	eio_grp_limit (grp, limit);	2040	eio_grp_limit (grp, limit);
1366		2041
1367	void	2042	void
1368	feed (aio_req grp, SV *callback=&PL_sv_undef)	2043	feed (aio_req grp, SV *callback = &PL_sv_undef)
1369	CODE:	2044	CODE:
1370	{	2045	{
1371	SvREFCNT_dec (grp->sv2);	2046	SvREFCNT_dec (grp->sv2);
1372	grp->sv2 = newSVsv (callback);	2047	grp->sv2 = newSVsv (callback);
1373	grp->feed = aio_grp_feed;	2048	grp->feed = aio_grp_feed;

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