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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.176 by root, Thu Dec 2 10:04:47 2010 UTC vs.
Revision 1.240 by root, Tue Feb 23 19:42:59 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
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/config.h"
124	#include "libeio/eio.h"	124	#include "libeio/eio.h"
125		125
126	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
127	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
128	#endif	128	static void req_destroy (eio_req *grp);
129	#ifndef POSIX_FADV_SEQUENTIAL	129	#define EIO_DESTROY(req) req_destroy (req)
130	# define POSIX_FADV_SEQUENTIAL 0	130
131	#endif	131	#include "libeio/eio.c"
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		132
145	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	135	#endif
148		136
149	#ifndef POSIX_MADV_NORMAL
150	# define POSIX_MADV_NORMAL 0
151	#endif
152	#ifndef POSIX_MADV_SEQUENTIAL
153	# define POSIX_MADV_SEQUENTIAL 0
154	#endif
155	#ifndef POSIX_MADV_RANDOM
156	# define POSIX_MADV_RANDOM 0
157	#endif
158	#ifndef POSIX_MADV_WILLNEED
159	# define POSIX_MADV_WILLNEED 0
160	#endif
161	#ifndef POSIX_MADV_DONTNEED
162	# define POSIX_MADV_DONTNEED 0
163	#endif
164
165	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167	#endif
168
169	#ifndef PROT_NONE
170	# define PROT_NONE 0
171	#endif
172	#ifndef PROT_READ
173	# define PROT_READ 0
174	#endif
175	#ifndef PROT_WRITE
176	# define PROT_READ 0
177	#endif
178	#ifndef PROT_EXEC
179	# define PROT_EXEC 0
180	#endif
181
182	#ifndef ST_NODEV
183	# define ST_NODEV 0
184	#endif
185	#ifndef ST_NOEXEC
186	# define ST_NOEXEC 0
187	#endif
188	#ifndef ST_SYNCHRONOUS
189	# define ST_SYNCHRONOUS 0
190	#endif
191	#ifndef ST_MANDLOCK
192	# define ST_MANDLOCK 0
193	#endif
194	#ifndef ST_WRITE
195	# define ST_WRITE 0
196	#endif
197	#ifndef ST_APPEND
198	# define ST_APPEND 0
199	#endif
200	#ifndef ST_IMMUTABLE
201	# define ST_IMMUTABLE 0
202	#endif
203	#ifndef ST_NOATIME
204	# define ST_NOATIME 0
205	#endif
206	#ifndef ST_NODIRATIME
207	# define ST_NODIRATIME 0
208	#endif
209	#ifndef ST_RELATIME
210	# define ST_RELATIME 0
211	#endif	139	#endif
212		140
213	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
214	# ifdef MAP_ANON	142	# ifdef MAP_ANON
215	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
216	# else	144	# else
217	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218	# endif	146	# endif
219	#endif	147	#endif
220	#ifndef MAP_HUGETLB
221	# define MAP_HUGETLB 0
222	#endif
223	#ifndef MAP_LOCKED
224	# define MAP_LOCKED 0
225	#endif
226	#ifndef MAP_NORESERVE
227	# define MAP_NORESERVE 0
228	#endif
229	#ifndef MAP_POPULATE
230	# define MAP_POPULATE 0
231	#endif
232	#ifndef MAP_NONBLOCK
233	# define MAP_NONBLOCK 0
234	#endif
235		148
236	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	/* 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
237	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
238	#endif	165	#endif
239		166
240	static int req_invoke (eio_req *req);	167	/*****************************************************************************/
241	#define EIO_FINISH(req) req_invoke (req)	168
242	static void req_destroy (eio_req *grp);	169	static void
243	#define EIO_DESTROY(req) req_destroy (req)	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	/*****************************************************************************/
244		266
245	enum {	267	enum {
246	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247	};	269	};
248		270
249	#include "libeio/eio.c"
250
251	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
252	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
253		274
254	static SV *on_next_submit;	275	static SV *on_next_submit;
255	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
256	static int max_outstanding;	277	static int max_outstanding;
257		278
258	static s_epipe respipe;	279	static s_epipe respipe;
259		280
260	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
261	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
262		283
263	static void want_poll (void)	284	static void
		285	want_poll (void)
264	{	286	{
265	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
266	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
267	}	289	}
268		290
269	static void done_poll (void)	291	static void
		292	done_poll (void)
270	{	293	{
271	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
272	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
273	}	296	}
274		297
275	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
276	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
277	{	301	{
278	if (!req->self)	302	if (!req->self)
279	{	303	{
280	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282	}	306	}
283		307
284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285	}	309	}
286		310
287	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)
288	{	319	{
289	MAGIC *mg;	320	MAGIC *mg;
290		321
291	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
293	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
294	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
295	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
296		328
297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298		330
299	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
300	}	332	}
301		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
302	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
303	{	372	{
304	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
305	{	374	{
306	dSP;	375	dSP;
307		376
…		…
315	FREETMPS;	384	FREETMPS;
316	LEAVE;	385	LEAVE;
317	}	386	}
318	}	387	}
319		388
		389	static void
320	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
321	{	391	{
322	eio_submit (req);	392	eio_submit (req);
323		393
324	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
325	{	395	{
…		…
332	PUTBACK;	402	PUTBACK;
333	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
334	}	404	}
335	}	405	}
336		406
		407	static int
337	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
338	{	409	{
339	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
340	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
341		412
342	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
…		…
353	/* do not recreate the result IV from scratch each time */	424	/* do not recreate the result IV from scratch each time */
354	if (expect_true (sv_result_cache))	425	if (expect_true (sv_result_cache))
355	{	426	{
356	sv_result = sv_result_cache; sv_result_cache = 0;	427	sv_result = sv_result_cache; sv_result_cache = 0;
357	SvIV_set (sv_result, req->result);	428	SvIV_set (sv_result, req->result);
		429	SvIOK_only (sv_result);
358	}	430	}
359	else	431	else
360	{	432	{
361	sv_result = newSViv (req->result);	433	sv_result = newSViv (req->result);
362	SvREADONLY_on (sv_result);	434	SvREADONLY_on (sv_result);
363	}	435	}
364		436
365	switch (req->type)	437	switch (req->type)
366	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
367	case EIO_READDIR:	443	case EIO_READDIR:
368	{	444	{
369	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
370		446
371	if (req->result >= 0)	447	if (req->result >= 0)
…		…
424	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))));
425	}	501	}
426	break;	502	break;
427		503
428	case EIO_OPEN:	504	case EIO_OPEN:
429	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
430	/* convert fd to fh */
431	SV *fh = &PL_sv_undef;
432
433	if (req->result >= 0)
434	{
435	GV *gv = (GV *)sv_newmortal ();
436	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
437	char sym [64];
438	int symlen;
439
440	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
441	gv_init (gv, aio_stash, sym, symlen, 0);
442
443	symlen = snprintf (
444	sym,
445	sizeof (sym),
446	"%s&=%d",
447	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
448	(int)req->result
449	);
450
451	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
452	fh = (SV *)gv;
453	}
454
455	PUSHs (fh);
456	}
457	break;	506	break;
458		507
459	case EIO_STATVFS:	508	case EIO_STATVFS:
460	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
461	{	510	{
462	SV *rv = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
463		512
		513	#ifndef _WIN32
464	if (req->result >= 0)	514	if (req->result >= 0)
465	{	515	{
466	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467	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));
468		523
469	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
470		525
471	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);
472	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);
…		…
474	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);
475	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);
476	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);
477	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);
478	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);
479	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
480	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);
481	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);
482	}	537	}
		538	#endif
483		539
484	PUSHs (rv);	540	PUSHs (rv);
485	}	541	}
486		542
487	break;	543	break;
…		…
503	case EIO_NOP:	559	case EIO_NOP:
504	case EIO_BUSY:	560	case EIO_BUSY:
505	break;	561	break;
506		562
507	case EIO_READLINK:	563	case EIO_READLINK:
		564	case EIO_REALPATH:
508	if (req->result > 0)	565	if (req->result > 0)
509	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	566	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
510	break;	567	break;
511		568
512	case EIO_STAT:	569	case EIO_STAT:
513	case EIO_LSTAT:	570	case EIO_LSTAT:
514	case EIO_FSTAT:	571	case EIO_FSTAT:
515	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
516	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
517	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		577
518	PUSHs (sv_result);	578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
519	break;	583	break;
520		584
521	case EIO_READ:	585	case EIO_READ:
522	{	586	{
523	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));
…		…
526	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
527	PUSHs (sv_result);	591	PUSHs (sv_result);
528	}	592	}
529	break;	593	break;
530		594
		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
531	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
532	if (req->result > 0)	636	if (req->result > 0)
533	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
534	/* FALLTHROUGH */	638	/* FALLTHROUGH */
535		639
536	default:	640	default:
…		…
556	}	660	}
557		661
558	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
559	}	663	}
560		664
		665	static void
561	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
562	{	667	{
563	if (req->self)	668	if (req->self)
564	{	669	{
565	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
566	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
567	}	672	}
568		673
569	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
570	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
571	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
572		679
573	Safefree (req);	680	free (req);
574	}	681	}
575		682
		683	static void
576	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
577	{	685	{
578	aio_req sub;
579
580	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
581	return;	687	return;
582		688
583	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
584	grp->sv2 = 0;	690	grp->sv2 = 0;
585		691
586	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
587	}	693	}
588		694
589	static void	695	static void ecb_cold
590	create_respipe (void)	696	create_respipe (void)
591	{	697	{
592	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
593	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
594	}	700	}
595		701
596	static void poll_wait (void)	702	static void
		703	poll_wait (void)
597	{	704	{
598	while (eio_nreqs ())	705	while (eio_nreqs ())
599	{	706	{
600	int size;	707	int size;
601		708
602	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
603	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
604	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
605		712
606	if (size)	713	if (size)
607	return;	714	return;
608		715
609	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
610		717
611	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
612	}	719	}
613	}	720	}
614		721
615	static int poll_cb (void)	722	static int
		723	poll_cb (void)
616	{	724	{
617	for (;;)	725	for (;;)
618	{	726	{
619	int res = eio_poll ();	727	int res = eio_poll ();
620		728
…		…
626		734
627	poll_wait ();	735	poll_wait ();
628	}	736	}
629	}	737	}
630		738
631	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
632	{	741	{
633	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
634	}	746	}
635		747
636	/*****************************************************************************/	748	/*****************************************************************************/
637		749
638	#if !_POSIX_MAPPED_FILES	750	#if !_POSIX_MAPPED_FILES
639	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
640	# define munmap(addr,length) (errno = ENOSYS, -1)	752	# define munmap(addr,length) EIO_ENOSYS ()
		753	#endif
		754
		755	#if !_POSIX_MEMORY_PROTECTION
641	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
642	# define PROT_NONE 0
643	# define PROT_WRITE 0
644	# define MAP_PRIVATE 0
645	# define MAP_SHARED 0
646	# define MAP_FIXED 0
647	#endif	757	#endif
648		758
649	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
650		760
651	static int	761	static int ecb_cold
652	mmap_free (pTHX_ SV *sv, MAGIC *mg)	762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
653	{	763	{
654	int old_errno = errno;	764	int old_errno = errno;
655	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656	errno = old_errno;	766	errno = old_errno;
…		…
680	{	790	{
681	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
682	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
683	}	793	}
684		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
685	#define dREQ \	815	#define dREQ \
686	SV *cb_cv; \	816	aio_req req = dreq (callback); \
687	aio_req req; \
688	int req_pri = next_pri; \
689	next_pri = EIO_PRI_DEFAULT; \
690	\
691	cb_cv = get_cb (callback); \
692	\
693	Newz (0, req, 1, eio_req); \
694	if (!req) \
695	croak ("out of memory during eio_req allocation"); \
696	\
697	req->callback = SvREFCNT_inc (cb_cv); \
698	req->pri = req_pri
699		817
700	#define REQ_SEND \	818	#define REQ_SEND \
701	PUTBACK; \	819	PUTBACK; \
702	req_submit (req); \	820	req_submit (req); \
703	SPAGAIN; \	821	SPAGAIN; \
704	\	822	\
705	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
706	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
707		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
708	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
709		893
710	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
711		895
712	BOOT:	896	BOOT:
…		…
716	IV iv;	900	IV iv;
717	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
718	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
719	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
720	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
		905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
		908	const_iv (ENOSYS)
721	const_iv (EXDEV)	909	const_iv (EXDEV)
722	const_iv (ENOSYS)	910	const_iv (EBADR)
		911
		912	/* for lseek */
		913	const_iv (SEEK_DATA)
		914	const_iv (SEEK_HOLE)
		915
		916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		922
		923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		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 */
723	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
724	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
725	const_iv (O_RDWR)	932	const_iv (O_RDWR)
726	const_iv (O_CREAT)	933	const_iv (O_CREAT)
727	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
728	const_iv (O_EXCL)	935	const_iv (O_EXCL)
729	const_iv (O_APPEND)	936	const_iv (O_APPEND)
730	#ifndef _WIN32	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
731	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
732	#endif	957	const_iv (S_IFCHR)
733	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	958	const_iv (S_IFBLK)
734	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	959	const_iv (S_IFLNK)
735	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	960	const_iv (S_IFREG)
736	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	961	const_iv (S_IFDIR)
737	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	962	const_iv (S_IFWHT)
738	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	963	const_iv (S_IFSOCK)
739		964	const_iv (S_IFMT)
740	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
741	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
742	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
743	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745		965
746	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
747	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
748	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
749	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
759	const_iv (PROT_NONE)	979	const_iv (PROT_NONE)
760	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
761	const_iv (PROT_READ)	981	const_iv (PROT_READ)
762	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
763		983
764	/*const_iv (MAP_FIXED)*/
765	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
766	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
767	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
768		988
769	/* linuxish */	989	/* linuxish */
770	const_iv (MAP_HUGETLB)
771	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
772	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
773	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
774	const_iv (MAP_NONBLOCK)	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)
775		1023
776	const_eio (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
777	const_eio (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
778		1026
779	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
…		…
783	const_eio (MT_MODIFY)	1031	const_eio (MT_MODIFY)
784		1032
785	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
786	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
787	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)
788		1041
789	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
790	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
791	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
792	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
803	};	1056	};
804		1057
805	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
806	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
807	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);
808		1062
809	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--)
810	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
811		1065
812	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
813		1067
814	create_respipe ();	1068	reinit ();
815
816	if (eio_init (want_poll, done_poll) < 0)
817	croak ("IO::AIO: unable to initialise eio library");
818
819	/* atfork child called in fifo order, so before eio's handler */
820	X_THREAD_ATFORK (0, 0, atfork_child);
821	}	1069	}
822		1070
823	void	1071	void
		1072	reinit ()
		1073	PROTOTYPE:
		1074
		1075	void
824	max_poll_reqs (int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
825	PROTOTYPE: $	1077	PROTOTYPE: $
826	CODE:	1078	CODE:
827	eio_set_max_poll_reqs (nreqs);	1079	eio_set_max_poll_reqs (nreqs);
828		1080
829	void	1081	void
…		…
831	PROTOTYPE: $	1083	PROTOTYPE: $
832	CODE:	1084	CODE:
833	eio_set_max_poll_time (nseconds);	1085	eio_set_max_poll_time (nseconds);
834		1086
835	void	1087	void
836	min_parallel (int nthreads)	1088	min_parallel (unsigned int nthreads)
837	PROTOTYPE: $	1089	PROTOTYPE: $
838	CODE:	1090	CODE:
839	eio_set_min_parallel (nthreads);	1091	eio_set_min_parallel (nthreads);
840		1092
841	void	1093	void
842	max_parallel (int nthreads)	1094	max_parallel (unsigned int nthreads)
843	PROTOTYPE: $	1095	PROTOTYPE: $
844	CODE:	1096	CODE:
845	eio_set_max_parallel (nthreads);	1097	eio_set_max_parallel (nthreads);
846		1098
847	void	1099	void
848	max_idle (int nthreads)	1100	max_idle (unsigned int nthreads)
849	PROTOTYPE: $	1101	PROTOTYPE: $
850	CODE:	1102	CODE:
851	eio_set_max_idle (nthreads);	1103	eio_set_max_idle (nthreads);
852		1104
853	void	1105	void
		1106	idle_timeout (unsigned int seconds)
		1107	PROTOTYPE: $
		1108	CODE:
		1109	eio_set_idle_timeout (seconds);
		1110
		1111	void
854	max_outstanding (int maxreqs)	1112	max_outstanding (unsigned int maxreqs)
855	PROTOTYPE: $	1113	PROTOTYPE: $
856	CODE:	1114	CODE:
857	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
858		1116
859	void	1117	void
860	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
861	PPCODE:	1119	PPCODE:
862	{	1120	{
863	dREQ;	1121	dREQ;
864		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
865	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
866	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
867	req->ptr1 = SvPVbyte_nolen (req->sv1);
868	req->int1 = flags;	1137	req->int1 = flags;
869	req->int2 = mode;	1138	req->int2 = mode;
870		1139
871	REQ_SEND;	1140	REQ_SEND;
872	}	1141	}
873		1142
874	void	1143	void
875	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
876	ALIAS:	1145	ALIAS:
877	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
878	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
879	PPCODE:	1149	PPCODE:
880	{	1150	{
881	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
882	dREQ;	1152	dREQ;
883		1153
884	req->type = ix;	1154	req->type = ix;
885	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
886	req->int1 = fd;	1156	req->int1 = fd;
887		1157
888	REQ_SEND (req);	1158	REQ_SEND;
889	}	1159	}
890		1160
891	void	1161	void
892	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)
893	PPCODE:	1163	PPCODE:
894	{	1164	{
895	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
896	dREQ;	1166	dREQ;
897		1167
898	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
899	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
900	req->int1 = fd;	1170	req->int1 = fd;
901	req->offs = offset;	1171	req->offs = offset;
902	req->size = nbytes;	1172	req->size = nbytes;
903	req->int2 = flags;	1173	req->int2 = flags;
904		1174
905	REQ_SEND (req);	1175	REQ_SEND;
906	}	1176	}
907		1177
908	void	1178	void
909	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)
910	PPCODE:	1180	PPCODE:
911	{	1181	{
912	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
913	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
914	dREQ;	1183	dREQ;
915		1184
916	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))
917	{	1204	{
918	int pipefd [2];	1205	int pipefd [2];
919		1206
		1207	if (
		1208	#ifdef _WIN32
		1209	_pipe (pipefd, 1, _O_BINARY) < 0
		1210	#else
920	if (pipe (pipefd) < 0	1211	pipe (pipefd) < 0
921	|| close (pipefd [1]) < 0
922	|| 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	)
923	abort (); /*D*/	1216	abort (); /*D*/
924		1217
925	close_pipe = pipefd [0];	1218	close_fd = pipefd [0];
926	}	1219	}
927		1220
928	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
929	req->int1 = close_pipe;	1222	req->int1 = close_fd;
930	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
931	req->int2 = fd;	1224	req->int2 = fd;
932		1225
933	REQ_SEND (req);	1226	REQ_SEND;
934	}	1227	}
935		1228
936	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
937	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)
938	ALIAS:	1247	ALIAS:
939	aio_read = EIO_READ	1248	aio_read = EIO_READ
940	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
941	PPCODE:	1250	PPCODE:
942	{	1251	{
…		…
958	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
959	}	1268	}
960	else	1269	else
961	{	1270	{
962	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
963	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
964	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");
965	}	1276	}
966		1277
967	{	1278	{
968	dREQ;	1279	dREQ;
969		1280
…		…
985	REQ_SEND;	1296	REQ_SEND;
986	}	1297	}
987	}	1298	}
988		1299
989	void	1300	void
990	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1301	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1302	ALIAS:
		1303	aio_ioctl = EIO_IOCTL
		1304	aio_fcntl = EIO_FCNTL
991	PPCODE:	1305	PPCODE:
992	{	1306	{
993	SV *data;	1307	int fd = s_fileno_croak (fh, 0);
		1308	char *svptr;
		1309
		1310	if (SvPOK (arg) || !SvNIOK (arg))
		1311	{
		1312	STRLEN svlen;
		1313	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1314	#ifdef IOCPARM_LEN
		1315	STRLEN need = IOCPARM_LEN (request);
		1316	#else
		1317	STRLEN need = 256;
		1318	#endif
		1319
		1320	if (svlen < need)
		1321	svptr = SvGROW (arg, need);
		1322	}
		1323	else
		1324	svptr = (char *)SvIV (arg);
		1325
		1326	{
		1327	dREQ;
		1328
		1329	req->type = ix;
		1330	req->sv1 = newSVsv (fh);
		1331	req->int1 = fd;
		1332	req->int2 = (long)request;
		1333	req->sv2 = SvREFCNT_inc (arg);
		1334	req->ptr2 = svptr;
		1335
		1336	REQ_SEND;
		1337	}
		1338	}
		1339
		1340	void
		1341	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1342	ALIAS:
		1343	aio_readlink = EIO_READLINK
		1344	aio_realpath = EIO_REALPATH
		1345	PPCODE:
		1346	{
994	dREQ;	1347	dREQ;
995		1348
996	req->type = EIO_READLINK;	1349	req->type = ix;
997	req->sv1 = newSVsv (path);	1350	req_set_path1 (req, pathname);
998	req->ptr1 = SvPVbyte_nolen (req->sv1);
999		1351
1000	REQ_SEND;	1352	REQ_SEND;
1001	}	1353	}
1002		1354
1003	void	1355	void
1004	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1356	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1005	PPCODE:	1357	PPCODE:
1006	{	1358	{
1007	int ifd = s_fileno_croak (in_fh , 0);	1359	int ifd = s_fileno_croak (in_fh , 0);
1008	int ofd = s_fileno_croak (out_fh, 1);	1360	int ofd = s_fileno_croak (out_fh, 1);
1009	dREQ;	1361	dREQ;
1010		1362
1011	req->type = EIO_SENDFILE;	1363	req->type = EIO_SENDFILE;
1012	req->sv1 = newSVsv (out_fh);	1364	req->sv1 = newSVsv (out_fh);
1013	req->int1 = ofd;	1365	req->int1 = ofd;
…		…
1018		1370
1019	REQ_SEND;	1371	REQ_SEND;
1020	}	1372	}
1021		1373
1022	void	1374	void
1023	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1375	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1024	PPCODE:	1376	PPCODE:
1025	{	1377	{
1026	int fd = s_fileno_croak (fh, 0);	1378	int fd = s_fileno_croak (fh, 0);
1027	dREQ;	1379	dREQ;
1028		1380
1029	req->type = EIO_READAHEAD;	1381	req->type = EIO_READAHEAD;
1030	req->sv1 = newSVsv (fh);	1382	req->sv1 = newSVsv (fh);
1031	req->int1 = fd;	1383	req->int1 = fd;
…		…
1034		1386
1035	REQ_SEND;	1387	REQ_SEND;
1036	}	1388	}
1037		1389
1038	void	1390	void
1039	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1391	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1040	ALIAS:	1392	ALIAS:
1041	aio_stat = EIO_STAT	1393	aio_stat = EIO_STAT
1042	aio_lstat = EIO_LSTAT	1394	aio_lstat = EIO_LSTAT
1043	aio_statvfs = EIO_STATVFS	1395	aio_statvfs = EIO_STATVFS
1044	PPCODE:	1396	PPCODE:
1045	{	1397	{
1046	dREQ;	1398	dREQ;
1047		1399
1048	req->sv1 = newSVsv (fh_or_path);	1400	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1049
1050	if (SvPOK (req->sv1))
1051	{
1052	req->type = ix;
1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
1054	}
1055	else
1056	{
1057	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1058	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1059	}
1060		1401
1061	REQ_SEND;	1402	REQ_SEND;
1062	}	1403	}
1063		1404
		1405	UV
		1406	major (UV dev)
		1407	ALIAS:
		1408	minor = 1
		1409	CODE:
		1410	RETVAL = ix ? major (dev) : minor (dev);
		1411	OUTPUT:
		1412	RETVAL
		1413
		1414	UV
		1415	makedev (UV maj, UV min)
		1416	CODE:
		1417	RETVAL = makedev (maj, min);
		1418	OUTPUT:
		1419	RETVAL
		1420
1064	void	1421	void
1065	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1422	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1066	PPCODE:	1423	PPCODE:
1067	{	1424	{
1068	dREQ;	1425	dREQ;
1069		1426
1070	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1427	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1071	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1428	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1072	req->sv1 = newSVsv (fh_or_path);	1429	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1073
1074	if (SvPOK (req->sv1))
1075	{
1076	req->type = EIO_UTIME;
1077	req->ptr1 = SvPVbyte_nolen (req->sv1);
1078	}
1079	else
1080	{
1081	req->type = EIO_FUTIME;
1082	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1083	}
1084		1430
1085	REQ_SEND;	1431	REQ_SEND;
1086	}	1432	}
1087		1433
1088	void	1434	void
1089	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1435	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1090	PPCODE:	1436	PPCODE:
1091	{	1437	{
1092	dREQ;	1438	dREQ;
1093		1439
1094	req->sv1 = newSVsv (fh_or_path);
1095	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1440	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1096		1441	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1097	if (SvPOK (req->sv1))
1098	{
1099	req->type = EIO_TRUNCATE;
1100	req->ptr1 = SvPVbyte_nolen (req->sv1);
1101	}
1102	else
1103	{
1104	req->type = EIO_FTRUNCATE;
1105	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1106	}
1107		1442
1108	REQ_SEND;	1443	REQ_SEND;
1109	}	1444	}
1110		1445
1111	void	1446	void
1112	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1447	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1113	ALIAS:
1114	aio_chmod = EIO_CHMOD
1115	aio_mkdir = EIO_MKDIR
1116	PPCODE:	1448	PPCODE:
1117	{	1449	{
1118	dREQ;	1450	dREQ;
1119		1451
1120	req->int2 = mode;	1452	req->int2 = mode;
1121	req->sv1 = newSVsv (fh_or_path);	1453	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1122
1123	if (SvPOK (req->sv1))
1124	{
1125	req->type = ix;
1126	req->ptr1 = SvPVbyte_nolen (req->sv1);
1127	}
1128	else
1129	{
1130	req->type = EIO_FCHMOD;
1131	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1132	}
1133		1454
1134	REQ_SEND;	1455	REQ_SEND;
1135	}	1456	}
1136		1457
1137	void	1458	void
1138	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1459	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1139	PPCODE:	1460	PPCODE:
1140	{	1461	{
1141	dREQ;	1462	dREQ;
1142		1463
1143	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1464	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1144	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1465	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1145	req->sv1 = newSVsv (fh_or_path);	1466	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1146
1147	if (SvPOK (req->sv1))
1148	{
1149	req->type = EIO_CHOWN;
1150	req->ptr1 = SvPVbyte_nolen (req->sv1);
1151	}
1152	else
1153	{
1154	req->type = EIO_FCHOWN;
1155	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1156	}
1157		1467
1158	REQ_SEND;	1468	REQ_SEND;
1159	}	1469	}
1160		1470
1161	void	1471	void
1162	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1472	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1163	PPCODE:	1473	PPCODE:
1164	{	1474	{
1165	dREQ;	1475	dREQ;
1166		1476
1167	req->type = EIO_READDIR;	1477	req->type = EIO_READDIR;
1168	req->sv1 = newSVsv (pathname);
1169	req->ptr1 = SvPVbyte_nolen (req->sv1);
1170	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1478	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1171		1479
1172	if (flags & EIO_READDIR_DENTS)	1480	if (flags & EIO_READDIR_DENTS)
1173	req->int1 |= EIO_READDIR_CUSTOM2;	1481	req->int1 |= EIO_READDIR_CUSTOM2;
1174		1482
		1483	req_set_path1 (req, pathname);
		1484
1175	REQ_SEND;	1485	REQ_SEND;
1176	}	1486	}
1177		1487
1178	void	1488	void
		1489	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1490	PPCODE:
		1491	{
		1492	dREQ;
		1493
		1494	req->type = EIO_MKDIR;
		1495	req->int2 = mode;
		1496	req_set_path1 (req, pathname);
		1497
		1498	REQ_SEND;
		1499	}
		1500
		1501	void
1179	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1502	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1180	ALIAS:	1503	ALIAS:
1181	aio_unlink = EIO_UNLINK	1504	aio_unlink = EIO_UNLINK
1182	aio_rmdir = EIO_RMDIR	1505	aio_rmdir = EIO_RMDIR
1183	aio_readdir = EIO_READDIR	1506	aio_readdir = EIO_READDIR
1184	PPCODE:	1507	PPCODE:
1185	{	1508	{
1186	dREQ;	1509	dREQ;
1187		1510
1188	req->type = ix;	1511	req->type = ix;
1189	req->sv1 = newSVsv (pathname);	1512	req_set_path1 (req, pathname);
1190	req->ptr1 = SvPVbyte_nolen (req->sv1);
1191		1513
1192	REQ_SEND;	1514	REQ_SEND;
1193	}	1515	}
1194		1516
1195	void	1517	void
1196	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1518	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1197	ALIAS:	1519	ALIAS:
1198	aio_link = EIO_LINK	1520	aio_link = EIO_LINK
1199	aio_symlink = EIO_SYMLINK	1521	aio_symlink = EIO_SYMLINK
1200	aio_rename = EIO_RENAME	1522	aio_rename = EIO_RENAME
1201	PPCODE:	1523	PPCODE:
1202	{	1524	{
		1525	eio_wd wd2 = 0;
1203	dREQ;	1526	dREQ;
1204		1527
1205	req->type = ix;	1528	req->type = ix;
1206	req->sv1 = newSVsv (oldpath);	1529	req_set_path1 (req, oldpath);
1207	req->ptr1 = SvPVbyte_nolen (req->sv1);	1530	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1208	req->sv2 = newSVsv (newpath);	1531	req->int3 = (long)wd2;
1209	req->ptr2 = SvPVbyte_nolen (req->sv2);
1210		1532
1211	REQ_SEND;	1533	REQ_SEND;
1212	}	1534	}
1213		1535
1214	void	1536	void
1215	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1537	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1216	PPCODE:	1538	PPCODE:
1217	{	1539	{
1218	dREQ;	1540	dREQ;
1219		1541
1220	req->type = EIO_MKNOD;	1542	req->type = EIO_MKNOD;
1221	req->sv1 = newSVsv (pathname);
1222	req->ptr1 = SvPVbyte_nolen (req->sv1);
1223	req->int2 = (mode_t)mode;	1543	req->int2 = (mode_t)mode;
1224	req->offs = dev;	1544	req->offs = dev;
		1545	req_set_path1 (req, pathname);
1225		1546
1226	REQ_SEND;	1547	REQ_SEND;
1227	}	1548	}
1228		1549
1229	void	1550	void
1230	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1551	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1231	ALIAS:	1552	ALIAS:
1232	aio_mtouch = EIO_MTOUCH	1553	aio_mtouch = EIO_MTOUCH
1233	aio_msync = EIO_MSYNC	1554	aio_msync = EIO_MSYNC
1234	PPCODE:	1555	PPCODE:
1235	{	1556	{
…		…
1258	REQ_SEND;	1579	REQ_SEND;
1259	}	1580	}
1260	}	1581	}
1261		1582
1262	void	1583	void
1263	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1584	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1264	PPCODE:	1585	PPCODE:
1265	{	1586	{
1266	STRLEN svlen;	1587	STRLEN svlen;
1267	char *svptr = SvPVbyte (data, svlen);	1588	char *svptr = SvPVbyte (data, svlen);
1268	UV len = SvUV (length);	1589	UV len = SvUV (length);
…		…
1287	REQ_SEND;	1608	REQ_SEND;
1288	}	1609	}
1289	}	1610	}
1290		1611
1291	void	1612	void
1292	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1613	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1293	PPCODE:	1614	PPCODE:
1294	{	1615	{
1295	dREQ;	1616	dREQ;
1296		1617
1297	req->type = EIO_MLOCKALL;	1618	req->type = EIO_MLOCKALL;
…		…
1299		1620
1300	REQ_SEND;	1621	REQ_SEND;
1301	}	1622	}
1302		1623
1303	void	1624	void
		1625	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1626	PPCODE:
		1627	{
		1628	int fd = s_fileno_croak (fh, 0);
		1629	dREQ;
		1630
		1631	req->type = EIO_CUSTOM;
		1632	req->sv1 = newSVsv (fh);
		1633	req->int1 = fd;
		1634
		1635	req->feed = fiemap;
		1636	#if HAVE_FIEMAP
		1637	/* keep our fingers crossed that the next two types are 64 bit */
		1638	req->offs = start;
		1639	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1640	req->int2 = flags;
		1641	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1642	#endif
		1643
		1644	REQ_SEND;
		1645	}
		1646
		1647	void
1304	aio_busy (double delay, SV *callback=&PL_sv_undef)	1648	aio_busy (double delay, SV *callback = &PL_sv_undef)
1305	PPCODE:	1649	PPCODE:
1306	{	1650	{
1307	dREQ;	1651	dREQ;
1308		1652
1309	req->type = EIO_BUSY;	1653	req->type = EIO_BUSY;
…		…
1311		1655
1312	REQ_SEND;	1656	REQ_SEND;
1313	}	1657	}
1314		1658
1315	void	1659	void
1316	aio_group (SV *callback=&PL_sv_undef)	1660	aio_group (SV *callback = &PL_sv_undef)
1317	PPCODE:	1661	PPCODE:
1318	{	1662	{
1319	dREQ;	1663	dREQ;
1320		1664
1321	req->type = EIO_GROUP;	1665	req->type = EIO_GROUP;
1322		1666
		1667	PUTBACK;
1323	req_submit (req);	1668	req_submit (req);
		1669	SPAGAIN;
		1670
1324	XPUSHs (req_sv (req, aio_grp_stash));	1671	XPUSHs (req_sv (req, aio_grp_stash));
1325	}	1672	}
1326		1673
1327	void	1674	void
1328	aio_nop (SV *callback=&PL_sv_undef)	1675	aio_nop (SV *callback = &PL_sv_undef)
1329	ALIAS:	1676	ALIAS:
1330	aio_nop = EIO_NOP	1677	aio_nop = EIO_NOP
1331	aio_sync = EIO_SYNC	1678	aio_sync = EIO_SYNC
1332	PPCODE:	1679	PPCODE:
1333	{	1680	{
…		…
1337		1684
1338	REQ_SEND;	1685	REQ_SEND;
1339	}	1686	}
1340		1687
1341	int	1688	int
1342	aioreq_pri (int pri = 0)	1689	aioreq_pri (int pri = NO_INIT)
1343	CODE:	1690	CODE:
1344	RETVAL = next_pri;	1691	RETVAL = next_pri;
1345	if (items > 0)	1692	if (items > 0)
1346	{	1693	{
1347	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1694	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1429	CODE:	1776	CODE:
1430	RETVAL = posix_fadvise (fh, offset, length, advice);	1777	RETVAL = posix_fadvise (fh, offset, length, advice);
1431	OUTPUT:	1778	OUTPUT:
1432	RETVAL	1779	RETVAL
1433		1780
1434	ssize_t	1781	IV
1435	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1782	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1436	CODE:	1783	CODE:
1437	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1784	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1438	OUTPUT:	1785	OUTPUT:
1439	RETVAL	1786	RETVAL
1440		1787
1441	void	1788	void
1442	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1789	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1443	PPCODE:	1790	PPCODE:
1444	sv_unmagic (scalar, MMAP_MAGIC);	1791	sv_unmagic (scalar, MMAP_MAGIC);
1445	{	1792	{
1446	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1793	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1794	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1474	munmap (SV *scalar)	1821	munmap (SV *scalar)
1475	CODE:	1822	CODE:
1476	sv_unmagic (scalar, MMAP_MAGIC);	1823	sv_unmagic (scalar, MMAP_MAGIC);
1477		1824
1478	int	1825	int
1479	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1826	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480	ALIAS:	1827	ALIAS:
1481	mprotect = 1	1828	mprotect = 1
1482	CODE:	1829	CODE:
1483	{	1830	{
1484	STRLEN svlen;	1831	STRLEN svlen;
1485	void *addr = SvPVbyte (scalar, svlen);	1832	void *addr = SvPVbyte (scalar, svlen);
1486	size_t len = SvUV (length);	1833	STRLEN len = SvUV (length);
1487		1834
1488	if (offset < 0)	1835	if (offset < 0)
1489	offset += svlen;	1836	offset += svlen;
1490		1837
1491	if (offset < 0 || offset > svlen)	1838	if (offset < 0 || offset > svlen)
…		…
1505	}	1852	}
1506	OUTPUT:	1853	OUTPUT:
1507	RETVAL	1854	RETVAL
1508		1855
1509	int	1856	int
1510	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1857	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1511	CODE:	1858	CODE:
1512	{	1859	{
1513	STRLEN svlen;	1860	STRLEN svlen;
1514	void *addr = SvPVbyte (scalar, svlen);	1861	void *addr = SvPVbyte (scalar, svlen);
1515	size_t len = SvUV (length);	1862	size_t len = SvUV (length);
1516		1863
1517	if (offset < 0)	1864	if (offset < 0)
1518	offset += svlen;	1865	offset += svlen;
1519		1866
…		…
1523	if (!SvOK (length) || len + offset > svlen)	1870	if (!SvOK (length) || len + offset > svlen)
1524	len = svlen - offset;	1871	len = svlen - offset;
1525		1872
1526	addr = (void *)(((intptr_t)addr) + offset);	1873	addr = (void *)(((intptr_t)addr) + offset);
1527	eio_page_align (&addr, &len);	1874	eio_page_align (&addr, &len);
1528	#if _POSIX_MEMLOCK	1875	#if _POSIX_MEMLOCK_RANGE
1529	RETVAL = munlock (addr, len);	1876	RETVAL = munlock (addr, len);
1530	#else	1877	#else
1531	RETVAL = ((errno = ENOSYS), -1);	1878	RETVAL = EIO_ENOSYS ();
1532	#endif	1879	#endif
1533	}	1880	}
1534	OUTPUT:	1881	OUTPUT:
1535	RETVAL	1882	RETVAL
1536		1883
…		…
1538	munlockall ()	1885	munlockall ()
1539	CODE:	1886	CODE:
1540	#if _POSIX_MEMLOCK	1887	#if _POSIX_MEMLOCK
1541	munlockall ();	1888	munlockall ();
1542	#else	1889	#else
1543	RETVAL = -1;	1890	RETVAL = EIO_ENOSYS ();
1544	errno = ENOSYS;
1545	#endif	1891	#endif
1546	OUTPUT:	1892	OUTPUT:
1547	RETVAL	1893	RETVAL
		1894
		1895	int
		1896	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1897	CODE:
		1898	{
		1899	#if HAVE_LINUX_SPLICE
		1900	loff_t off_in_, off_out_;
		1901	RETVAL = splice (
		1902	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1903	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1904	length, flags
		1905	);
		1906	#else
		1907	RETVAL = EIO_ENOSYS ();
		1908	#endif
		1909	}
		1910	OUTPUT:
		1911	RETVAL
		1912
		1913	int
		1914	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1915	CODE:
		1916	#if HAVE_LINUX_SPLICE
		1917	RETVAL = tee (rfh, wfh, length, flags);
		1918	#else
		1919	RETVAL = EIO_ENOSYS ();
		1920	#endif
		1921	OUTPUT:
		1922	RETVAL
		1923
		1924	int
		1925	pipesize (aio_rfd rfh, int new_size = -1)
		1926	PROTOTYPE: $;$
		1927	CODE:
		1928	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1929	if (new_size >= 0)
		1930	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1931	else
		1932	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1933	#else
		1934	errno = ENOSYS;
		1935	RETVAL = -1;
		1936	#endif
		1937	OUTPUT:
		1938	RETVAL
		1939
		1940	void
		1941	pipe2 (int flags = 0)
		1942	PROTOTYPE: ;$
		1943	PPCODE:
		1944	{
		1945	int fd[2];
		1946	int res;
		1947
		1948	if (flags)
		1949	#if HAVE_PIPE2
		1950	res = pipe2 (fd, flags);
		1951	#else
		1952	res = (errno = ENOSYS, -1);
		1953	#endif
		1954	else
		1955	res = pipe (fd);
		1956
		1957	if (!res)
		1958	{
		1959	EXTEND (SP, 2);
		1960	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1961	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1962	}
		1963	}
1548		1964
1549	void _on_next_submit (SV *cb)	1965	void _on_next_submit (SV *cb)
1550	CODE:	1966	CODE:
1551	SvREFCNT_dec (on_next_submit);	1967	SvREFCNT_dec (on_next_submit);
1552	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1968	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1553		1969
1554	PROTOTYPES: DISABLE	1970	PROTOTYPES: DISABLE
1555		1971
		1972	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1973
		1974	BOOT:
		1975	{
		1976	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1977	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1978	}
		1979
		1980	void
		1981	DESTROY (SV *self)
		1982	CODE:
		1983	{
		1984	aio_wd wd = SvAIO_WD (self);
		1985	#if HAVE_AT
		1986	{
		1987	SV *callback = &PL_sv_undef;
		1988	dREQ; /* clobbers next_pri :/ */
		1989	next_pri = req->pri; /* restore next_pri */
		1990	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1991	req->type = EIO_WD_CLOSE;
		1992	req->wd = wd;
		1993	REQ_SEND;
		1994	}
		1995	#else
		1996	eio_wd_close_sync (wd);
		1997	#endif
		1998	}
		1999
1556	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2000	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1557		2001
1558	void	2002	void
1559	cancel (aio_req_ornot req)	2003	cancel (aio_req_ornot req)
1560	CODE:	2004	CODE:
1561	eio_cancel (req);	2005	eio_cancel (req);
1562		2006
1563	void	2007	void
1564	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2008	cb (aio_req_ornot req, SV *callback = NO_INIT)
1565	PPCODE:	2009	PPCODE:
1566	{	2010	{
1567	if (GIMME_V != G_VOID)	2011	if (GIMME_V != G_VOID)
1568	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2012	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1569		2013
1570	if (items > 1)	2014	if (items > 1)
1571	{	2015	{
1572	SV *cb_cv =get_cb (callback);	2016	SV *cb_cv = get_cb (callback);
1573		2017
1574	SvREFCNT_dec (req->callback);	2018	SvREFCNT_dec (req->callback);
1575	req->callback = SvREFCNT_inc (cb_cv);	2019	req->callback = SvREFCNT_inc (cb_cv);
1576	}	2020	}
1577	}	2021	}
…		…
1634	limit (aio_req grp, int limit)	2078	limit (aio_req grp, int limit)
1635	CODE:	2079	CODE:
1636	eio_grp_limit (grp, limit);	2080	eio_grp_limit (grp, limit);
1637		2081
1638	void	2082	void
1639	feed (aio_req grp, SV *callback=&PL_sv_undef)	2083	feed (aio_req grp, SV *callback = &PL_sv_undef)
1640	CODE:	2084	CODE:
1641	{	2085	{
1642	SvREFCNT_dec (grp->sv2);	2086	SvREFCNT_dec (grp->sv2);
1643	grp->sv2 = newSVsv (callback);	2087	grp->sv2 = newSVsv (callback);
1644	grp->feed = aio_grp_feed;	2088	grp->feed = aio_grp_feed;

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