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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
23	#endif	35	#endif
24		36
25	/* perl namespace pollution */	37	/* perl namespace pollution */
26	#undef VERSION	38	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		39
77	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	42	#undef readdir
80	#undef opendir	43	#undef opendir
81	#undef closedir	44	#undef closedir
82		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
84		82
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	83	#else
91	# define VAL64 NV	84
92	# define SvVAL64 SvNV	85	#include <sys/time.h>
93	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
94	#endif	93	#endif
95		94
96	/*****************************************************************************/	95	/*****************************************************************************/
97		96
98	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
108		107
109	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
112		111
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		113
115	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
116	SV *callback; \	115	SV *callback; \
117	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
		123	#include "libeio/config.h"
123	#include "libeio/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	128	static void req_destroy (eio_req *grp);
128	#endif	129	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		130
145	#ifndef POSIX_MADV_NORMAL	131	#include "libeio/eio.c"
146	# define POSIX_MADV_NORMAL 0
147	# define NO_MADVISE 1
148	#endif
149	#ifndef POSIX_MADV_SEQUENTIAL
150	# define POSIX_MADV_SEQUENTIAL 0
151	#endif
152	#ifndef POSIX_MADV_RANDOM
153	# define POSIX_MADV_RANDOM 0
154	#endif
155	#ifndef POSIX_MADV_WILLNEED
156	# define POSIX_MADV_WILLNEED 0
157	#endif
158	#ifndef POSIX_MADV_DONTNEED
159	# define POSIX_MADV_DONTNEED 0
160	#endif
161		132
162	#ifndef ST_NODEV	133	#if !HAVE_POSIX_FADVISE
163	# define ST_NODEV 0	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
164	#endif	135	#endif
165	#ifndef ST_NOEXEC
166	# define ST_NOEXEC 0
167	#endif
168	#ifndef ST_SYNCHRONOUS
169	# define ST_SYNCHRONOUS 0
170	#endif
171	#ifndef ST_MANDLOCK
172	# define ST_MANDLOCK 0
173	#endif
174	#ifndef ST_WRITE
175	# define ST_WRITE 0
176	#endif
177	#ifndef ST_APPEND
178	# define ST_APPEND 0
179	#endif
180	#ifndef ST_IMMUTABLE
181	# define ST_IMMUTABLE 0
182	#endif
183	#ifndef ST_NOATIME
184	# define ST_NOATIME 0
185	#endif
186	#ifndef ST_NODIRATIME
187	# define ST_NODIRATIME 0
188	#endif
189	#ifndef ST_RELATIME
190	# define ST_RELATIME 0
191	#endif
192		136
193	#ifndef MCL_CURRENT	137	#if !HAVE_POSIX_MADVISE
194	# define MCL_CURRENT 0	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
195	#endif
196	#ifndef MCL_FUTURE
197	# define MCL_FUTURE 0
198	#endif	139	#endif
199		140
200	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
201	# ifdef MAP_ANON	142	# ifdef MAP_ANON
202	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
203	# else	144	# else
204	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205	# endif	146	# endif
206	#endif	147	#endif
207	#ifndef MAP_HUGETLB
208	# define MAP_HUGETLB 0
209	#endif
210	#ifndef MAP_LOCKED
211	# define MAP_LOCKED 0
212	#endif
213	#ifndef MAP_NORESERVE
214	# define MAP_NORESERVE 0
215	#endif
216	#ifndef MAP_POPULATE
217	# define MAP_POPULATE 0
218	#endif
219	#ifndef MAP_NONBLOCK
220	# define MAP_NONBLOCK 0
221	#endif
222		148
223	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	#include "def0.h"
		151
		152	#ifndef makedev
		153	# define makedev(maj,min) (((maj) << 8) | (min))
		154	#endif
		155	#ifndef major
		156	# define major(dev) ((dev) >> 8)
		157	#endif
		158	#ifndef minor
		159	# define minor(dev) ((dev) & 0xff)
		160	#endif
		161
		162	#if PAGESIZE <= 0
224	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
225	#endif	164	#endif
226		165
227	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
228	#define EIO_FINISH(req) req_invoke (req)	167
229	static void req_destroy (eio_req *grp);	168	static void
230	#define EIO_DESTROY(req) req_destroy (req)	169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags |= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	|| !fiemap->fm_mapped_extents /* no more extents */
		203	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap *incmap = (struct fiemap *)scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
231		265
232	enum {	266	enum {
233	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
234	};	268	};
235		269
236	#include "libeio/eio.c"
237
238	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
239	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
240		273
241	static SV *on_next_submit;	274	static SV *on_next_submit;
242	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
243	static int max_outstanding;	276	static int max_outstanding;
244		277
245	static s_epipe respipe;	278	static s_epipe respipe;
246		279
247	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
248	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
249		282
250	static void want_poll (void)	283	static void
		284	want_poll (void)
251	{	285	{
252	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
253	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
254	}	288	}
255		289
256	static void done_poll (void)	290	static void
		291	done_poll (void)
257	{	292	{
258	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
259	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
260	}	295	}
261		296
262	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
263	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
264	{	300	{
265	if (!req->self)	301	if (!req->self)
266	{	302	{
267	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
268	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
269	}	305	}
270		306
271	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
272	}	308	}
273		309
274	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
275	{	318	{
276	MAGIC *mg;	319	MAGIC *mg;
277		320
278	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
280	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
281	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
282	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
283		327
284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
285		329
286	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
287	}	331	}
288		332
		333	static aio_wd
		334	SvAIO_WD (SV *sv)
		335	{
		336	if (!SvROK (sv)
		337	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		338	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		340
		341	return (aio_wd)(long)SvIVX (SvRV (sv));
		342	}
		343
		344	static SV *
		345	newmortalFH (int fd, int flags)
		346	{
		347	if (fd < 0)
		348	return &PL_sv_undef;
		349
		350	GV *gv = (GV *)sv_newmortal ();
		351	char sym[64];
		352	int symlen;
		353
		354	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		355	gv_init (gv, aio_stash, sym, symlen, 0);
		356
		357	symlen = snprintf (
		358	sym,
		359	sizeof (sym),
		360	"%s&=%d",
		361	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		362	fd
		363	);
		364
		365	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		366	? (SV *)gv : &PL_sv_undef;
		367	}
		368
		369	static void
289	static void aio_grp_feed (aio_req grp)	370	aio_grp_feed (aio_req grp)
290	{	371	{
291	if (grp->sv2 && SvOK (grp->sv2))	372	if (grp->sv2 && SvOK (grp->sv2))
292	{	373	{
293	dSP;	374	dSP;
294		375
…		…
302	FREETMPS;	383	FREETMPS;
303	LEAVE;	384	LEAVE;
304	}	385	}
305	}	386	}
306		387
		388	static void
307	static void req_submit (eio_req *req)	389	req_submit (eio_req *req)
308	{	390	{
309	eio_submit (req);	391	eio_submit (req);
310		392
311	if (expect_false (on_next_submit))	393	if (expect_false (on_next_submit))
312	{	394	{
…		…
319	PUTBACK;	401	PUTBACK;
320	call_sv (cb, G_DISCARD | G_EVAL);	402	call_sv (cb, G_DISCARD | G_EVAL);
321	}	403	}
322	}	404	}
323		405
		406	static int
324	static int req_invoke (eio_req *req)	407	req_invoke (eio_req *req)
325	{	408	{
326	if (req->flags & FLAG_SV2_RO_OFF)	409	if (req->flags & FLAG_SV2_RO_OFF)
327	SvREADONLY_off (req->sv2);	410	SvREADONLY_off (req->sv2);
328		411
329	if (!EIO_CANCELLED (req) && req->callback)	412	if (!EIO_CANCELLED (req) && req->callback)
…		…
340	/* do not recreate the result IV from scratch each time */	423	/* do not recreate the result IV from scratch each time */
341	if (expect_true (sv_result_cache))	424	if (expect_true (sv_result_cache))
342	{	425	{
343	sv_result = sv_result_cache; sv_result_cache = 0;	426	sv_result = sv_result_cache; sv_result_cache = 0;
344	SvIV_set (sv_result, req->result);	427	SvIV_set (sv_result, req->result);
		428	SvIOK_only (sv_result);
345	}	429	}
346	else	430	else
347	{	431	{
348	sv_result = newSViv (req->result);	432	sv_result = newSViv (req->result);
349	SvREADONLY_on (sv_result);	433	SvREADONLY_on (sv_result);
350	}	434	}
351		435
352	switch (req->type)	436	switch (req->type)
353	{	437	{
		438	case EIO_WD_OPEN:
		439	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		440	break;
		441
354	case EIO_READDIR:	442	case EIO_READDIR:
355	{	443	{
356	SV *rv = &PL_sv_undef;	444	SV *rv = &PL_sv_undef;
357		445
358	if (req->result >= 0)	446	if (req->result >= 0)
…		…
411	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	499	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
412	}	500	}
413	break;	501	break;
414		502
415	case EIO_OPEN:	503	case EIO_OPEN:
416	{	504	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
417	/* convert fd to fh */
418	SV *fh = &PL_sv_undef;
419
420	if (req->result >= 0)
421	{
422	GV *gv = (GV *)sv_newmortal ();
423	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
424	char sym [64];
425	int symlen;
426
427	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
428	gv_init (gv, aio_stash, sym, symlen, 0);
429
430	symlen = snprintf (
431	sym,
432	sizeof (sym),
433	"%s&=%d",
434	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
435	(int)req->result
436	);
437
438	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
439	fh = (SV *)gv;
440	}
441
442	PUSHs (fh);
443	}
444	break;	505	break;
445		506
446	case EIO_STATVFS:	507	case EIO_STATVFS:
447	case EIO_FSTATVFS:	508	case EIO_FSTATVFS:
448	{	509	{
449	SV *rv = &PL_sv_undef;	510	SV *rv = &PL_sv_undef;
450		511
		512	#ifndef _WIN32
451	if (req->result >= 0)	513	if (req->result >= 0)
452	{	514	{
453	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	515	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
454	HV *hv = newHV ();	516	HV *hv = newHV ();
		517	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		518	* chooses to make it a struct.
		519	*/
		520	unsigned long fsid = 0;
		521	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
455		522
456	rv = sv_2mortal (newRV_noinc ((SV *)hv));	523	rv = sv_2mortal (newRV_noinc ((SV *)hv));
457		524
458	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	525	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
459	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	526	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
461	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	528	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
462	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	529	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
463	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	530	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
464	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	531	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
465	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	532	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
466	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	533	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
467	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	534	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
468	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	535	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
469	}	536	}
		537	#endif
470		538
471	PUSHs (rv);	539	PUSHs (rv);
472	}	540	}
473		541
474	break;	542	break;
…		…
490	case EIO_NOP:	558	case EIO_NOP:
491	case EIO_BUSY:	559	case EIO_BUSY:
492	break;	560	break;
493		561
494	case EIO_READLINK:	562	case EIO_READLINK:
		563	case EIO_REALPATH:
495	if (req->result > 0)	564	if (req->result > 0)
496	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	565	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497	break;	566	break;
498		567
499	case EIO_STAT:	568	case EIO_STAT:
500	case EIO_LSTAT:	569	case EIO_LSTAT:
501	case EIO_FSTAT:	570	case EIO_FSTAT:
502	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	571	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		572
503	PL_laststatval = req->result;	573	if (!(PL_laststatval = req->result))
		574	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
504	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	575	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		576
505	PUSHs (sv_result);	577	PUSHs (sv_result);
		578	break;
		579
		580	case EIO_SEEK:
		581	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
506	break;	582	break;
507		583
508	case EIO_READ:	584	case EIO_READ:
509	{	585	{
510	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	586	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
513	SvSETMAGIC (req->sv2);	589	SvSETMAGIC (req->sv2);
514	PUSHs (sv_result);	590	PUSHs (sv_result);
515	}	591	}
516	break;	592	break;
517		593
		594	case EIO_CUSTOM:
		595	if (req->feed == fiemap)
		596	{
		597	#if HAVE_FIEMAP
		598	if (!req->result)
		599	{
		600	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		601
		602	if (fiemap->fm_extent_count)
		603	{
		604	AV *av = newAV ();
		605	int i;
		606
		607	while (fiemap->fm_mapped_extents)
		608	{
		609	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		610	AV *ext_av = newAV ();
		611
		612	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		613	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		614	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		615	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		616
		617	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		618	}
		619
		620	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		621	}
		622	else
		623	{
		624	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		625	PUSHs (sv_result);
		626	}
		627	}
		628	#endif
		629	}
		630	else
		631	PUSHs (sv_result);
		632	break;
		633
518	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	634	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519	if (req->result > 0)	635	if (req->result > 0)
520	SvIV_set (sv_result, 0);	636	SvIV_set (sv_result, 0);
521	/* FALLTHROUGH */	637	/* FALLTHROUGH */
522		638
523	default:	639	default:
…		…
543	}	659	}
544		660
545	return !!SvTRUE (ERRSV);	661	return !!SvTRUE (ERRSV);
546	}	662	}
547		663
		664	static void
548	static void req_destroy (aio_req req)	665	req_destroy (aio_req req)
549	{	666	{
550	if (req->self)	667	if (req->self)
551	{	668	{
552	sv_unmagic (req->self, PERL_MAGIC_ext);	669	sv_unmagic (req->self, PERL_MAGIC_ext);
553	SvREFCNT_dec (req->self);	670	SvREFCNT_dec (req->self);
554	}	671	}
555		672
556	SvREFCNT_dec (req->sv1);	673	SvREFCNT_dec (req->sv1);
557	SvREFCNT_dec (req->sv2);	674	SvREFCNT_dec (req->sv2);
		675	SvREFCNT_dec (req->sv3);
		676	SvREFCNT_dec (req->sv4);
558	SvREFCNT_dec (req->callback);	677	SvREFCNT_dec (req->callback);
559		678
560	Safefree (req);	679	free (req);
561	}	680	}
562		681
		682	static void
563	static void req_cancel_subs (aio_req grp)	683	req_cancel_subs (aio_req grp)
564	{	684	{
565	aio_req sub;
566
567	if (grp->type != EIO_GROUP)	685	if (grp->type != EIO_GROUP)
568	return;	686	return;
569		687
570	SvREFCNT_dec (grp->sv2);	688	SvREFCNT_dec (grp->sv2);
571	grp->sv2 = 0;	689	grp->sv2 = 0;
572		690
573	eio_grp_cancel (grp);	691	eio_grp_cancel (grp);
574	}	692	}
575		693
576	static void	694	static void ecb_cold
577	create_respipe (void)	695	create_respipe (void)
578	{	696	{
579	if (s_epipe_renew (&respipe))	697	if (s_epipe_renew (&respipe))
580	croak ("IO::AIO: unable to initialize result pipe");	698	croak ("IO::AIO: unable to initialize result pipe");
581	}	699	}
582		700
583	static void poll_wait (void)	701	static void
		702	poll_wait (void)
584	{	703	{
585	while (eio_nreqs ())	704	while (eio_nreqs ())
586	{	705	{
587	int size;	706	int size;
588		707
…		…
597		716
598	s_epipe_wait (&respipe);	717	s_epipe_wait (&respipe);
599	}	718	}
600	}	719	}
601		720
602	static int poll_cb (void)	721	static int
		722	poll_cb (void)
603	{	723	{
604	for (;;)	724	for (;;)
605	{	725	{
606	int res = eio_poll ();	726	int res = eio_poll ();
607		727
…		…
613		733
614	poll_wait ();	734	poll_wait ();
615	}	735	}
616	}	736	}
617		737
618	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
619	{	740	{
620	create_respipe ();	741	create_respipe ();
		742
		743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
621	}	745	}
622		746
623	/*****************************************************************************/	747	/*****************************************************************************/
624		748
625	#if !_POSIX_MAPPED_FILES	749	#if !_POSIX_MAPPED_FILES
626	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
627	# define munmap(addr,length) (errno = ENOSYS, -1)	751	# define munmap(addr,length) EIO_ENOSYS ()
		752	#endif
		753
		754	#if !_POSIX_MEMORY_PROTECTION
		755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		756	# define PROT_NONE 0
		757	# define PROT_WRITE 0
		758	# define MAP_PRIVATE 0
		759	# define MAP_SHARED 0
		760	# define MAP_FIXED 0
628	#endif	761	#endif
629		762
630	#define MMAP_MAGIC PERL_MAGIC_ext	763	#define MMAP_MAGIC PERL_MAGIC_ext
631		764
632	static int	765	static int ecb_cold
633	mmap_free (pTHX_ SV *sv, MAGIC *mg)	766	mmap_free (pTHX_ SV *sv, MAGIC *mg)
634	{	767	{
635	int old_errno = errno;	768	int old_errno = errno;
636	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637	errno = old_errno;	770	errno = old_errno;
…		…
661	{	794	{
662	SvGETMAGIC (cb_sv);	795	SvGETMAGIC (cb_sv);
663	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664	}	797	}
665		798
		799	static aio_req ecb_noinline
		800	dreq (SV *callback)
		801	{
		802	SV *cb_cv;
		803	aio_req req;
		804	int req_pri = next_pri;
		805	next_pri = EIO_PRI_DEFAULT;
		806
		807	cb_cv = get_cb (callback);
		808
		809	req = calloc (sizeof (*req), 1);
		810	if (!req)
		811	croak ("out of memory during eio_req allocation");
		812
		813	req->callback = SvREFCNT_inc (cb_cv);
		814	req->pri = req_pri;
		815
		816	return req;
		817	}
		818
666	#define dREQ \	819	#define dREQ \
667	SV *cb_cv; \	820	aio_req req = dreq (callback); \
668	aio_req req; \
669	int req_pri = next_pri; \
670	next_pri = EIO_PRI_DEFAULT; \
671	\
672	cb_cv = get_cb (callback); \
673	\
674	Newz (0, req, 1, eio_req); \
675	if (!req) \
676	croak ("out of memory during eio_req allocation"); \
677	\
678	req->callback = SvREFCNT_inc (cb_cv); \
679	req->pri = req_pri
680		821
681	#define REQ_SEND \	822	#define REQ_SEND \
682	PUTBACK; \	823	PUTBACK; \
683	req_submit (req); \	824	req_submit (req); \
684	SPAGAIN; \	825	SPAGAIN; \
685	\	826	\
686	if (GIMME_V != G_VOID) \	827	if (GIMME_V != G_VOID) \
687	XPUSHs (req_sv (req, aio_req_stash));	828	XPUSHs (req_sv (req, aio_req_stash));
688		829
		830	ecb_inline void
		831	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		832	{
		833	if (expect_false (SvROK (path)))
		834	{
		835	SV *rv = SvRV (path);
		836	SV *wdob;
		837
		838	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		839	{
		840	path = AvARRAY (rv)[1];
		841	wdob = AvARRAY (rv)[0];
		842
		843	if (SvOK (wdob))
		844	{
		845	*wd = SvAIO_WD (wdob);
		846	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		847	}
		848	else
		849	*wd = EIO_INVALID_WD;
		850	}
		851	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		852	{
		853	*wd = (aio_wd)(long)SvIVX (rv);
		854	*wdsv = SvREFCNT_inc_NN (rv);
		855	*ptr = ".";
		856	return; /* path set to "." */
		857	}
		858	else
		859	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		860	}
		861
		862	*pathsv = newSVsv (path);
		863	*ptr = SvPVbyte_nolen (*pathsv);
		864	}
		865
		866	static void ecb_noinline
		867	req_set_path1 (aio_req req, SV *path)
		868	{
		869	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		870	}
		871
		872	static void ecb_noinline
		873	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		874	{
		875	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		876
		877	switch (SvTYPE (rv))
		878	{
		879	case SVt_PVIO:
		880	case SVt_PVLV:
		881	case SVt_PVGV:
		882	req->type = type_fh;
		883	req->sv1 = newSVsv (fh_or_path);
		884	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		885	break;
		886
		887	default:
		888	req->type = type_path;
		889	req_set_path1 (req, fh_or_path);
		890	break;
		891	}
		892	}
		893
		894	XS(boot_IO__AIO) ecb_cold;
		895
689	MODULE = IO::AIO PACKAGE = IO::AIO	896	MODULE = IO::AIO PACKAGE = IO::AIO
690		897
691	PROTOTYPES: ENABLE	898	PROTOTYPES: ENABLE
692		899
693	BOOT:	900	BOOT:
…		…
697	IV iv;	904	IV iv;
698	} *civ, const_iv[] = {	905	} *civ, const_iv[] = {
699	# define const_niv(name, value) { # name, (IV) value },	906	# define const_niv(name, value) { # name, (IV) value },
700	# define const_iv(name) { # name, (IV) name },	907	# define const_iv(name) { # name, (IV) name },
701	# define const_eio(name) { # name, (IV) EIO_ ## name },	908	# define const_eio(name) { # name, (IV) EIO_ ## name },
		909
		910	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		911
		912	const_iv (ENOSYS)
702	const_iv (EXDEV)	913	const_iv (EXDEV)
703	const_iv (ENOSYS)	914	const_iv (EBADR)
		915
704	const_iv (O_RDONLY)	916	const_iv (O_RDONLY)
705	const_iv (O_WRONLY)	917	const_iv (O_WRONLY)
706	const_iv (O_RDWR)	918	const_iv (O_RDWR)
707	const_iv (O_CREAT)	919	const_iv (O_CREAT)
708	const_iv (O_TRUNC)	920	const_iv (O_TRUNC)
709	const_iv (O_EXCL)	921	const_iv (O_EXCL)
710	const_iv (O_APPEND)	922	const_iv (O_APPEND)
711	#ifndef _WIN32	923
		924	const_iv (O_ASYNC)
		925	const_iv (O_DIRECT)
		926	const_iv (O_NOATIME)
		927
		928	const_iv (O_CLOEXEC)
		929	const_iv (O_NOCTTY)
		930	const_iv (O_NOFOLLOW)
		931	const_iv (O_NONBLOCK)
		932	const_iv (O_EXEC)
		933	const_iv (O_SEARCH)
		934	const_iv (O_DIRECTORY)
		935	const_iv (O_DSYNC)
		936	const_iv (O_RSYNC)
		937	const_iv (O_SYNC)
		938	const_iv (O_TTY_INIT)
		939
712	const_iv (S_IFIFO)	940	const_iv (S_IFIFO)
713	#endif	941	const_iv (S_IFCHR)
		942	const_iv (S_IFBLK)
		943	const_iv (S_IFLNK)
		944	const_iv (S_IFREG)
		945	const_iv (S_IFDIR)
		946	const_iv (S_IFWHT)
		947	const_iv (S_IFSOCK)
		948	const_iv (S_IFMT)
		949
714	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	950	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
715	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	951	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
716	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	952	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
717	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	953	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
718	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	954	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
735	const_iv (ST_IMMUTABLE)	971	const_iv (ST_IMMUTABLE)
736	const_iv (ST_NOATIME)	972	const_iv (ST_NOATIME)
737	const_iv (ST_NODIRATIME)	973	const_iv (ST_NODIRATIME)
738	const_iv (ST_RELATIME)	974	const_iv (ST_RELATIME)
739		975
		976	const_iv (PROT_NONE)
740	const_iv (PROT_EXEC)	977	const_iv (PROT_EXEC)
741	const_iv (PROT_NONE)
742	const_iv (PROT_READ)	978	const_iv (PROT_READ)
743	const_iv (PROT_WRITE)	979	const_iv (PROT_WRITE)
744		980
745	/*const_iv (MAP_FIXED)*/	981	/*const_iv (MAP_FIXED)*/
746	const_iv (MAP_PRIVATE)	982	const_iv (MAP_PRIVATE)
…		…
752	const_iv (MAP_LOCKED)	988	const_iv (MAP_LOCKED)
753	const_iv (MAP_NORESERVE)	989	const_iv (MAP_NORESERVE)
754	const_iv (MAP_POPULATE)	990	const_iv (MAP_POPULATE)
755	const_iv (MAP_NONBLOCK)	991	const_iv (MAP_NONBLOCK)
756		992
		993	const_iv (FIEMAP_FLAG_SYNC)
		994	const_iv (FIEMAP_FLAG_XATTR)
		995	const_iv (FIEMAP_FLAGS_COMPAT)
		996	const_iv (FIEMAP_EXTENT_LAST)
		997	const_iv (FIEMAP_EXTENT_UNKNOWN)
		998	const_iv (FIEMAP_EXTENT_DELALLOC)
		999	const_iv (FIEMAP_EXTENT_ENCODED)
		1000	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1001	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1002	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1003	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1004	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1005	const_iv (FIEMAP_EXTENT_MERGED)
		1006	const_iv (FIEMAP_EXTENT_SHARED)
		1007
		1008	const_iv (SPLICE_F_MOVE)
		1009	const_iv (SPLICE_F_NONBLOCK)
		1010	const_iv (SPLICE_F_MORE)
		1011	const_iv (SPLICE_F_GIFT)
		1012
		1013	const_iv (SEEK_DATA)
		1014	const_iv (SEEK_HOLE)
		1015
		1016	/* libeio constants */
		1017	const_eio (SEEK_SET)
		1018	const_eio (SEEK_CUR)
		1019	const_eio (SEEK_END)
		1020
757	const_iv (MCL_FUTURE)	1021	const_eio (MCL_FUTURE)
758	const_iv (MCL_CURRENT)	1022	const_eio (MCL_CURRENT)
759		1023
760	const_eio (MS_ASYNC)	1024	const_eio (MS_ASYNC)
761	const_eio (MS_INVALIDATE)	1025	const_eio (MS_INVALIDATE)
762	const_eio (MS_SYNC)	1026	const_eio (MS_SYNC)
763		1027
764	const_eio (MT_MODIFY)	1028	const_eio (MT_MODIFY)
765		1029
766	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1030	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767	const_eio (SYNC_FILE_RANGE_WRITE)	1031	const_eio (SYNC_FILE_RANGE_WRITE)
768	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1032	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1033
		1034	const_eio (FALLOC_FL_KEEP_SIZE)
		1035	const_eio (FALLOC_FL_PUNCH_HOLE)
		1036	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1037	const_eio (FALLOC_FL_ZERO_RANGE)
769		1038
770	const_eio (READDIR_DENTS)	1039	const_eio (READDIR_DENTS)
771	const_eio (READDIR_DIRS_FIRST)	1040	const_eio (READDIR_DIRS_FIRST)
772	const_eio (READDIR_STAT_ORDER)	1041	const_eio (READDIR_STAT_ORDER)
773	const_eio (READDIR_FOUND_UNKNOWN)	1042	const_eio (READDIR_FOUND_UNKNOWN)
…		…
784	};	1053	};
785		1054
786	aio_stash = gv_stashpv ("IO::AIO" , 1);	1055	aio_stash = gv_stashpv ("IO::AIO" , 1);
787	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1056	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1057	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1058	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789		1059
790	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1060	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
791	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1061	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792		1062
793	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1063	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794		1064
795	create_respipe ();	1065	reinit ();
796
797	if (eio_init (want_poll, done_poll) < 0)
798	croak ("IO::AIO: unable to initialise eio library");
799
800	/* atfork child called in fifo order, so before eio's handler */
801	X_THREAD_ATFORK (0, 0, atfork_child);
802	}	1066	}
803		1067
804	void	1068	void
		1069	reinit ()
		1070	PROTOTYPE:
		1071
		1072	void
805	max_poll_reqs (int nreqs)	1073	max_poll_reqs (unsigned int nreqs)
806	PROTOTYPE: $	1074	PROTOTYPE: $
807	CODE:	1075	CODE:
808	eio_set_max_poll_reqs (nreqs);	1076	eio_set_max_poll_reqs (nreqs);
809		1077
810	void	1078	void
…		…
812	PROTOTYPE: $	1080	PROTOTYPE: $
813	CODE:	1081	CODE:
814	eio_set_max_poll_time (nseconds);	1082	eio_set_max_poll_time (nseconds);
815		1083
816	void	1084	void
817	min_parallel (int nthreads)	1085	min_parallel (unsigned int nthreads)
818	PROTOTYPE: $	1086	PROTOTYPE: $
819	CODE:	1087	CODE:
820	eio_set_min_parallel (nthreads);	1088	eio_set_min_parallel (nthreads);
821		1089
822	void	1090	void
823	max_parallel (int nthreads)	1091	max_parallel (unsigned int nthreads)
824	PROTOTYPE: $	1092	PROTOTYPE: $
825	CODE:	1093	CODE:
826	eio_set_max_parallel (nthreads);	1094	eio_set_max_parallel (nthreads);
827		1095
828	void	1096	void
829	max_idle (int nthreads)	1097	max_idle (unsigned int nthreads)
830	PROTOTYPE: $	1098	PROTOTYPE: $
831	CODE:	1099	CODE:
832	eio_set_max_idle (nthreads);	1100	eio_set_max_idle (nthreads);
833		1101
834	void	1102	void
		1103	idle_timeout (unsigned int seconds)
		1104	PROTOTYPE: $
		1105	CODE:
		1106	eio_set_idle_timeout (seconds);
		1107
		1108	void
835	max_outstanding (int maxreqs)	1109	max_outstanding (unsigned int maxreqs)
836	PROTOTYPE: $	1110	PROTOTYPE: $
837	CODE:	1111	CODE:
838	max_outstanding = maxreqs;	1112	max_outstanding = maxreqs;
839		1113
840	void	1114	void
841	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1115	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
842	PROTOTYPE: $$$;$
843	PPCODE:	1116	PPCODE:
844	{	1117	{
845	dREQ;	1118	dREQ;
846		1119
		1120	req->type = EIO_WD_OPEN;
		1121	req_set_path1 (req, pathname);
		1122
		1123	REQ_SEND;
		1124	}
		1125
		1126	void
		1127	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1128	PPCODE:
		1129	{
		1130	dREQ;
		1131
847	req->type = EIO_OPEN;	1132	req->type = EIO_OPEN;
848	req->sv1 = newSVsv (pathname);	1133	req_set_path1 (req, pathname);
849	req->ptr1 = SvPVbyte_nolen (req->sv1);
850	req->int1 = flags;	1134	req->int1 = flags;
851	req->int2 = mode;	1135	req->int2 = mode;
852		1136
853	REQ_SEND;	1137	REQ_SEND;
854	}	1138	}
855		1139
856	void	1140	void
857	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1141	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
858	PROTOTYPE: $;$
859	ALIAS:	1142	ALIAS:
860	aio_fsync = EIO_FSYNC	1143	aio_fsync = EIO_FSYNC
861	aio_fdatasync = EIO_FDATASYNC	1144	aio_fdatasync = EIO_FDATASYNC
		1145	aio_syncfs = EIO_SYNCFS
862	PPCODE:	1146	PPCODE:
863	{	1147	{
864	int fd = s_fileno_croak (fh, 0);	1148	int fd = s_fileno_croak (fh, 0);
865	dREQ;	1149	dREQ;
866		1150
867	req->type = ix;	1151	req->type = ix;
868	req->sv1 = newSVsv (fh);	1152	req->sv1 = newSVsv (fh);
869	req->int1 = fd;	1153	req->int1 = fd;
870		1154
871	REQ_SEND (req);	1155	REQ_SEND;
872	}	1156	}
873		1157
874	void	1158	void
875	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1159	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
876	PROTOTYPE: $$$$;$
877	PPCODE:	1160	PPCODE:
878	{	1161	{
879	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
880	dREQ;	1163	dREQ;
881		1164
882	req->type = EIO_SYNC_FILE_RANGE;	1165	req->type = EIO_SYNC_FILE_RANGE;
883	req->sv1 = newSVsv (fh);	1166	req->sv1 = newSVsv (fh);
884	req->int1 = fd;	1167	req->int1 = fd;
885	req->offs = offset;	1168	req->offs = offset;
886	req->size = nbytes;	1169	req->size = nbytes;
887	req->int2 = flags;	1170	req->int2 = flags;
888		1171
889	REQ_SEND (req);	1172	REQ_SEND;
890	}	1173	}
891		1174
892	void	1175	void
893	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1176	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
894	PROTOTYPE: $;$
895	PPCODE:	1177	PPCODE:
896	{	1178	{
897	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898	int fd = s_fileno_croak (fh, 0);	1179	int fd = s_fileno_croak (fh, 0);
899	dREQ;	1180	dREQ;
900		1181
901	if (close_pipe < 0)	1182	req->type = EIO_FALLOCATE;
		1183	req->sv1 = newSVsv (fh);
		1184	req->int1 = fd;
		1185	req->int2 = mode;
		1186	req->offs = offset;
		1187	req->size = len;
		1188
		1189	REQ_SEND;
		1190	}
		1191
		1192	void
		1193	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1194	PPCODE:
		1195	{
		1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1197	int fd = s_fileno_croak (fh, 0);
		1198	dREQ;
		1199
		1200	if (expect_false (close_fd < 0))
902	{	1201	{
903	int pipefd [2];	1202	int pipefd [2];
904		1203
		1204	if (
		1205	#ifdef _WIN32
		1206	_pipe (pipefd, 1, _O_BINARY) < 0
		1207	#else
905	if (pipe (pipefd) < 0	1208	pipe (pipefd) < 0
906	|| close (pipefd [1]) < 0
907	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1209	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1210	#endif
		1211	|| close (pipefd [1]) < 0
		1212	)
908	abort (); /*D*/	1213	abort (); /*D*/
909		1214
910	close_pipe = pipefd [0];	1215	close_fd = pipefd [0];
911	}	1216	}
912		1217
913	req->type = EIO_DUP2;	1218	req->type = EIO_DUP2;
914	req->int1 = close_pipe;	1219	req->int1 = close_fd;
915	req->sv2 = newSVsv (fh);	1220	req->sv2 = newSVsv (fh);
916	req->int2 = fd;	1221	req->int2 = fd;
917		1222
918	REQ_SEND (req);	1223	REQ_SEND;
919	}	1224	}
920		1225
921	void	1226	void
		1227	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1228	PPCODE:
		1229	{
		1230	int fd = s_fileno_croak (fh, 0);
		1231	dREQ;
		1232
		1233	req->type = EIO_SEEK;
		1234	req->sv1 = newSVsv (fh);
		1235	req->int1 = fd;
		1236	req->offs = SvVAL64 (offset);
		1237	req->int2 = whence;
		1238
		1239	REQ_SEND;
		1240	}
		1241
		1242	void
922	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1243	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
923	ALIAS:	1244	ALIAS:
924	aio_read = EIO_READ	1245	aio_read = EIO_READ
925	aio_write = EIO_WRITE	1246	aio_write = EIO_WRITE
926	PROTOTYPE: $$$$$;$
927	PPCODE:	1247	PPCODE:
928	{	1248	{
929	STRLEN svlen;	1249	STRLEN svlen;
930	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1250	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931	char *svptr = SvPVbyte (data, svlen);	1251	char *svptr = SvPVbyte (data, svlen);
…		…
944	len = svlen - dataoffset;	1264	len = svlen - dataoffset;
945	}	1265	}
946	else	1266	else
947	{	1267	{
948	/* read: check type and grow scalar as necessary */	1268	/* read: check type and grow scalar as necessary */
949	SvUPGRADE (data, SVt_PV);	1269	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
950	svptr = SvGROW (data, len + dataoffset + 1);	1270	svptr = sv_grow (data, len + dataoffset + 1);
		1271	else if (SvCUR (data) < len + dataoffset)
		1272	croak ("length + dataoffset outside of scalar, and cannot grow");
951	}	1273	}
952		1274
953	{	1275	{
954	dREQ;	1276	dREQ;
955		1277
…		…
971	REQ_SEND;	1293	REQ_SEND;
972	}	1294	}
973	}	1295	}
974		1296
975	void	1297	void
976	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1298	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
977	PROTOTYPE: $$;$	1299	ALIAS:
		1300	aio_readlink = EIO_READLINK
		1301	aio_realpath = EIO_REALPATH
978	PPCODE:	1302	PPCODE:
979	{	1303	{
980	SV *data;
981	dREQ;	1304	dREQ;
982		1305
983	req->type = EIO_READLINK;	1306	req->type = ix;
984	req->sv1 = newSVsv (path);	1307	req_set_path1 (req, pathname);
985	req->ptr1 = SvPVbyte_nolen (req->sv1);
986		1308
987	REQ_SEND;	1309	REQ_SEND;
988	}	1310	}
989		1311
990	void	1312	void
991	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1313	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
992	PROTOTYPE: $$$$;$
993	PPCODE:	1314	PPCODE:
994	{	1315	{
995	int ifd = s_fileno_croak (in_fh , 0);	1316	int ifd = s_fileno_croak (in_fh , 0);
996	int ofd = s_fileno_croak (out_fh, 1);	1317	int ofd = s_fileno_croak (out_fh, 1);
997	dREQ;	1318	dREQ;
998		1319
999	req->type = EIO_SENDFILE;	1320	req->type = EIO_SENDFILE;
1000	req->sv1 = newSVsv (out_fh);	1321	req->sv1 = newSVsv (out_fh);
1001	req->int1 = ofd;	1322	req->int1 = ofd;
…		…
1006		1327
1007	REQ_SEND;	1328	REQ_SEND;
1008	}	1329	}
1009		1330
1010	void	1331	void
1011	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1332	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1012	PROTOTYPE: $$$;$
1013	PPCODE:	1333	PPCODE:
1014	{	1334	{
1015	int fd = s_fileno_croak (fh, 0);	1335	int fd = s_fileno_croak (fh, 0);
1016	dREQ;	1336	dREQ;
1017		1337
1018	req->type = EIO_READAHEAD;	1338	req->type = EIO_READAHEAD;
1019	req->sv1 = newSVsv (fh);	1339	req->sv1 = newSVsv (fh);
1020	req->int1 = fd;	1340	req->int1 = fd;
…		…
1023		1343
1024	REQ_SEND;	1344	REQ_SEND;
1025	}	1345	}
1026		1346
1027	void	1347	void
1028	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1348	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1029	ALIAS:	1349	ALIAS:
1030	aio_stat = EIO_STAT	1350	aio_stat = EIO_STAT
1031	aio_lstat = EIO_LSTAT	1351	aio_lstat = EIO_LSTAT
1032	aio_statvfs = EIO_STATVFS	1352	aio_statvfs = EIO_STATVFS
1033	PPCODE:	1353	PPCODE:
1034	{	1354	{
1035	dREQ;	1355	dREQ;
1036		1356
1037	req->sv1 = newSVsv (fh_or_path);	1357	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1038
1039	if (SvPOK (req->sv1))
1040	{
1041	req->type = ix;
1042	req->ptr1 = SvPVbyte_nolen (req->sv1);
1043	}
1044	else
1045	{
1046	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1047	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1048	}
1049		1358
1050	REQ_SEND;	1359	REQ_SEND;
1051	}	1360	}
1052		1361
		1362	UV
		1363	major (UV dev)
		1364	ALIAS:
		1365	minor = 1
		1366	CODE:
		1367	RETVAL = ix ? major (dev) : minor (dev);
		1368	OUTPUT:
		1369	RETVAL
		1370
		1371	UV
		1372	makedev (UV maj, UV min)
		1373	CODE:
		1374	RETVAL = makedev (maj, min);
		1375	OUTPUT:
		1376	RETVAL
		1377
1053	void	1378	void
1054	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1379	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1055	PPCODE:	1380	PPCODE:
1056	{	1381	{
1057	dREQ;	1382	dREQ;
1058		1383
1059	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1384	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1385	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061	req->sv1 = newSVsv (fh_or_path);	1386	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1062
1063	if (SvPOK (req->sv1))
1064	{
1065	req->type = EIO_UTIME;
1066	req->ptr1 = SvPVbyte_nolen (req->sv1);
1067	}
1068	else
1069	{
1070	req->type = EIO_FUTIME;
1071	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072	}
1073		1387
1074	REQ_SEND;	1388	REQ_SEND;
1075	}	1389	}
1076		1390
1077	void	1391	void
1078	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1392	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1079	PPCODE:	1393	PPCODE:
1080	{	1394	{
1081	dREQ;	1395	dREQ;
1082		1396
1083	req->sv1 = newSVsv (fh_or_path);
1084	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1397	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085		1398	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1086	if (SvPOK (req->sv1))
1087	{
1088	req->type = EIO_TRUNCATE;
1089	req->ptr1 = SvPVbyte_nolen (req->sv1);
1090	}
1091	else
1092	{
1093	req->type = EIO_FTRUNCATE;
1094	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095	}
1096		1399
1097	REQ_SEND;	1400	REQ_SEND;
1098	}	1401	}
1099		1402
1100	void	1403	void
1101	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1404	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1102	ALIAS:
1103	aio_chmod = EIO_CHMOD
1104	aio_mkdir = EIO_MKDIR
1105	PPCODE:	1405	PPCODE:
1106	{	1406	{
1107	dREQ;	1407	dREQ;
1108		1408
1109	req->int2 = mode;	1409	req->int2 = mode;
1110	req->sv1 = newSVsv (fh_or_path);	1410	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1111
1112	if (SvPOK (req->sv1))
1113	{
1114	req->type = ix;
1115	req->ptr1 = SvPVbyte_nolen (req->sv1);
1116	}
1117	else
1118	{
1119	req->type = EIO_FCHMOD;
1120	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1121	}
1122		1411
1123	REQ_SEND;	1412	REQ_SEND;
1124	}	1413	}
1125		1414
1126	void	1415	void
1127	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1416	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1128	PPCODE:	1417	PPCODE:
1129	{	1418	{
1130	dREQ;	1419	dREQ;
1131		1420
1132	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1421	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1422	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134	req->sv1 = newSVsv (fh_or_path);	1423	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1135
1136	if (SvPOK (req->sv1))
1137	{
1138	req->type = EIO_CHOWN;
1139	req->ptr1 = SvPVbyte_nolen (req->sv1);
1140	}
1141	else
1142	{
1143	req->type = EIO_FCHOWN;
1144	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1145	}
1146		1424
1147	REQ_SEND;	1425	REQ_SEND;
1148	}	1426	}
1149		1427
1150	void	1428	void
1151	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1429	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1152	PPCODE:	1430	PPCODE:
1153	{	1431	{
1154	dREQ;	1432	dREQ;
1155		1433
1156	req->type = EIO_READDIR;	1434	req->type = EIO_READDIR;
1157	req->sv1 = newSVsv (pathname);
1158	req->ptr1 = SvPVbyte_nolen (req->sv1);
1159	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1435	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160		1436
1161	if (flags & EIO_READDIR_DENTS)	1437	if (flags & EIO_READDIR_DENTS)
1162	req->int1 |= EIO_READDIR_CUSTOM2;	1438	req->int1 |= EIO_READDIR_CUSTOM2;
1163		1439
		1440	req_set_path1 (req, pathname);
		1441
1164	REQ_SEND;	1442	REQ_SEND;
1165	}	1443	}
1166		1444
1167	void	1445	void
		1446	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1447	PPCODE:
		1448	{
		1449	dREQ;
		1450
		1451	req->type = EIO_MKDIR;
		1452	req->int2 = mode;
		1453	req_set_path1 (req, pathname);
		1454
		1455	REQ_SEND;
		1456	}
		1457
		1458	void
1168	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1459	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1169	ALIAS:	1460	ALIAS:
1170	aio_unlink = EIO_UNLINK	1461	aio_unlink = EIO_UNLINK
1171	aio_rmdir = EIO_RMDIR	1462	aio_rmdir = EIO_RMDIR
1172	aio_readdir = EIO_READDIR	1463	aio_readdir = EIO_READDIR
1173	PPCODE:	1464	PPCODE:
1174	{	1465	{
1175	dREQ;	1466	dREQ;
1176		1467
1177	req->type = ix;	1468	req->type = ix;
1178	req->sv1 = newSVsv (pathname);	1469	req_set_path1 (req, pathname);
1179	req->ptr1 = SvPVbyte_nolen (req->sv1);
1180		1470
1181	REQ_SEND;	1471	REQ_SEND;
1182	}	1472	}
1183		1473
1184	void	1474	void
1185	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1475	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1186	ALIAS:	1476	ALIAS:
1187	aio_link = EIO_LINK	1477	aio_link = EIO_LINK
1188	aio_symlink = EIO_SYMLINK	1478	aio_symlink = EIO_SYMLINK
1189	aio_rename = EIO_RENAME	1479	aio_rename = EIO_RENAME
1190	PPCODE:	1480	PPCODE:
1191	{	1481	{
		1482	eio_wd wd2 = 0;
1192	dREQ;	1483	dREQ;
1193		1484
1194	req->type = ix;	1485	req->type = ix;
1195	req->sv1 = newSVsv (oldpath);	1486	req_set_path1 (req, oldpath);
1196	req->ptr1 = SvPVbyte_nolen (req->sv1);	1487	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197	req->sv2 = newSVsv (newpath);	1488	req->int3 = (long)wd2;
1198	req->ptr2 = SvPVbyte_nolen (req->sv2);
1199		1489
1200	REQ_SEND;	1490	REQ_SEND;
1201	}	1491	}
1202		1492
1203	void	1493	void
1204	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1494	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1205	PPCODE:	1495	PPCODE:
1206	{	1496	{
1207	dREQ;	1497	dREQ;
1208		1498
1209	req->type = EIO_MKNOD;	1499	req->type = EIO_MKNOD;
1210	req->sv1 = newSVsv (pathname);
1211	req->ptr1 = SvPVbyte_nolen (req->sv1);
1212	req->int2 = (mode_t)mode;	1500	req->int2 = (mode_t)mode;
1213	req->offs = dev;	1501	req->offs = dev;
		1502	req_set_path1 (req, pathname);
1214		1503
1215	REQ_SEND;	1504	REQ_SEND;
1216	}	1505	}
1217		1506
1218	void	1507	void
1219	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1508	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1220	ALIAS:	1509	ALIAS:
1221	aio_mtouch = EIO_MTOUCH	1510	aio_mtouch = EIO_MTOUCH
1222	aio_msync = EIO_MSYNC	1511	aio_msync = EIO_MSYNC
1223	PROTOTYPE: $$$$;$
1224	PPCODE:	1512	PPCODE:
1225	{	1513	{
1226	STRLEN svlen;	1514	STRLEN svlen;
		1515	char *svptr = SvPVbyte (data, svlen);
1227	UV len = SvUV (length);	1516	UV len = SvUV (length);
1228	char *svptr = SvPVbyte (data, svlen);
1229		1517
1230	if (offset < 0)	1518	if (offset < 0)
1231	offset += svlen;	1519	offset += svlen;
1232		1520
1233	if (offset < 0 || offset > svlen)	1521	if (offset < 0 || offset > svlen)
…		…
1238		1526
1239	{	1527	{
1240	dREQ;	1528	dREQ;
1241		1529
1242	req->type = ix;	1530	req->type = ix;
1243	req->size = len;
1244	req->sv2 = SvREFCNT_inc (data);	1531	req->sv2 = SvREFCNT_inc (data);
1245	req->ptr2 = (char *)svptr + offset;	1532	req->ptr2 = (char *)svptr + offset;
		1533	req->size = len;
1246	req->int1 = flags;	1534	req->int1 = flags;
1247		1535
1248	REQ_SEND;	1536	REQ_SEND;
1249	}	1537	}
1250	}	1538	}
1251		1539
1252	void	1540	void
		1541	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1542	PPCODE:
		1543	{
		1544	STRLEN svlen;
		1545	char *svptr = SvPVbyte (data, svlen);
		1546	UV len = SvUV (length);
		1547
		1548	if (offset < 0)
		1549	offset += svlen;
		1550
		1551	if (offset < 0 || offset > svlen)
		1552	croak ("offset outside of scalar");
		1553
		1554	if (!SvOK (length) || len + offset > svlen)
		1555	len = svlen - offset;
		1556
		1557	{
		1558	dREQ;
		1559
		1560	req->type = EIO_MLOCK;
		1561	req->sv2 = SvREFCNT_inc (data);
		1562	req->ptr2 = (char *)svptr + offset;
		1563	req->size = len;
		1564
		1565	REQ_SEND;
		1566	}
		1567	}
		1568
		1569	void
		1570	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1571	PPCODE:
		1572	{
		1573	dREQ;
		1574
		1575	req->type = EIO_MLOCKALL;
		1576	req->int1 = flags;
		1577
		1578	REQ_SEND;
		1579	}
		1580
		1581	void
		1582	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1583	PPCODE:
		1584	{
		1585	int fd = s_fileno_croak (fh, 0);
		1586	dREQ;
		1587
		1588	req->type = EIO_CUSTOM;
		1589	req->sv1 = newSVsv (fh);
		1590	req->int1 = fd;
		1591
		1592	req->feed = fiemap;
		1593	#if HAVE_FIEMAP
		1594	/* keep our fingers crossed that the next two types are 64 bit */
		1595	req->offs = start;
		1596	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1597	req->int2 = flags;
		1598	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1599	#endif
		1600
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
1253	aio_busy (double delay, SV *callback=&PL_sv_undef)	1605	aio_busy (double delay, SV *callback = &PL_sv_undef)
1254	PPCODE:	1606	PPCODE:
1255	{	1607	{
1256	dREQ;	1608	dREQ;
1257		1609
1258	req->type = EIO_BUSY;	1610	req->type = EIO_BUSY;
…		…
1260		1612
1261	REQ_SEND;	1613	REQ_SEND;
1262	}	1614	}
1263		1615
1264	void	1616	void
1265	aio_group (SV *callback=&PL_sv_undef)	1617	aio_group (SV *callback = &PL_sv_undef)
1266	PROTOTYPE: ;$
1267	PPCODE:	1618	PPCODE:
1268	{	1619	{
1269	dREQ;	1620	dREQ;
1270		1621
1271	req->type = EIO_GROUP;	1622	req->type = EIO_GROUP;
1272		1623
		1624	PUTBACK;
1273	req_submit (req);	1625	req_submit (req);
		1626	SPAGAIN;
		1627
1274	XPUSHs (req_sv (req, aio_grp_stash));	1628	XPUSHs (req_sv (req, aio_grp_stash));
1275	}	1629	}
1276		1630
1277	void	1631	void
1278	aio_nop (SV *callback=&PL_sv_undef)	1632	aio_nop (SV *callback = &PL_sv_undef)
1279	ALIAS:	1633	ALIAS:
1280	aio_nop = EIO_NOP	1634	aio_nop = EIO_NOP
1281	aio_sync = EIO_SYNC	1635	aio_sync = EIO_SYNC
1282	PPCODE:	1636	PPCODE:
1283	{	1637	{
…		…
1287		1641
1288	REQ_SEND;	1642	REQ_SEND;
1289	}	1643	}
1290		1644
1291	int	1645	int
1292	aioreq_pri (int pri = 0)	1646	aioreq_pri (int pri = NO_INIT)
1293	PROTOTYPE: ;$
1294	CODE:	1647	CODE:
1295	RETVAL = next_pri;	1648	RETVAL = next_pri;
1296	if (items > 0)	1649	if (items > 0)
1297	{	1650	{
1298	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1651	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1310	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1663	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311	next_pri = nice;	1664	next_pri = nice;
1312		1665
1313	void	1666	void
1314	flush ()	1667	flush ()
1315	PROTOTYPE:
1316	CODE:	1668	CODE:
1317	while (eio_nreqs ())	1669	while (eio_nreqs ())
1318	{	1670	{
1319	poll_wait ();	1671	poll_wait ();
1320	poll_cb ();	1672	poll_cb ();
1321	}	1673	}
1322		1674
1323	int	1675	int
1324	poll()	1676	poll ()
1325	PROTOTYPE:
1326	CODE:	1677	CODE:
1327	poll_wait ();	1678	poll_wait ();
1328	RETVAL = poll_cb ();	1679	RETVAL = poll_cb ();
1329	OUTPUT:	1680	OUTPUT:
1330	RETVAL	1681	RETVAL
1331		1682
1332	int	1683	int
1333	poll_fileno()	1684	poll_fileno ()
1334	PROTOTYPE:
1335	CODE:	1685	CODE:
1336	RETVAL = s_epipe_fd (&respipe);	1686	RETVAL = s_epipe_fd (&respipe);
1337	OUTPUT:	1687	OUTPUT:
1338	RETVAL	1688	RETVAL
1339		1689
1340	int	1690	int
1341	poll_cb(...)	1691	poll_cb (...)
1342	PROTOTYPE:	1692	PROTOTYPE:
1343	CODE:	1693	CODE:
1344	RETVAL = poll_cb ();	1694	RETVAL = poll_cb ();
1345	OUTPUT:	1695	OUTPUT:
1346	RETVAL	1696	RETVAL
1347		1697
1348	void	1698	void
1349	poll_wait()	1699	poll_wait ()
1350	PROTOTYPE:
1351	CODE:	1700	CODE:
1352	poll_wait ();	1701	poll_wait ();
1353		1702
1354	int	1703	int
1355	nreqs()	1704	nreqs ()
1356	PROTOTYPE:
1357	CODE:	1705	CODE:
1358	RETVAL = eio_nreqs ();	1706	RETVAL = eio_nreqs ();
1359	OUTPUT:	1707	OUTPUT:
1360	RETVAL	1708	RETVAL
1361		1709
1362	int	1710	int
1363	nready()	1711	nready ()
1364	PROTOTYPE:
1365	CODE:	1712	CODE:
1366	RETVAL = eio_nready ();	1713	RETVAL = eio_nready ();
1367	OUTPUT:	1714	OUTPUT:
1368	RETVAL	1715	RETVAL
1369		1716
1370	int	1717	int
1371	npending()	1718	npending ()
1372	PROTOTYPE:
1373	CODE:	1719	CODE:
1374	RETVAL = eio_npending ();	1720	RETVAL = eio_npending ();
1375	OUTPUT:	1721	OUTPUT:
1376	RETVAL	1722	RETVAL
1377		1723
1378	int	1724	int
1379	nthreads()	1725	nthreads ()
1380	PROTOTYPE:
1381	CODE:	1726	CODE:
1382	RETVAL = eio_nthreads ();	1727	RETVAL = eio_nthreads ();
1383	OUTPUT:	1728	OUTPUT:
1384	RETVAL	1729	RETVAL
1385		1730
1386	int	1731	int
1387	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1732	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388	PROTOTYPE: $$$$
1389	CODE:	1733	CODE:
1390	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391	RETVAL = posix_fadvise (fh, offset, length, advice);	1734	RETVAL = posix_fadvise (fh, offset, length, advice);
1392	#else
1393	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394	#endif
1395	OUTPUT:	1735	OUTPUT:
1396	RETVAL	1736	RETVAL
1397		1737
1398	ssize_t	1738	IV
1399	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1739	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400	PROTOTYPE: $$$$
1401	CODE:	1740	CODE:
1402	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1741	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403	OUTPUT:	1742	OUTPUT:
1404	RETVAL	1743	RETVAL
1405		1744
1406	void	1745	void
1407	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1746	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1408	PROTOTYPE: $$$$$;$
1409	PPCODE:	1747	PPCODE:
1410	sv_unmagic (scalar, MMAP_MAGIC);	1748	sv_unmagic (scalar, MMAP_MAGIC);
1411	{	1749	{
1412	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1750	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1751	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1436	XSRETURN_YES;	1774	XSRETURN_YES;
1437	}	1775	}
1438		1776
1439	void	1777	void
1440	munmap (SV *scalar)	1778	munmap (SV *scalar)
1441	PROTOTYPE: $
1442	CODE:	1779	CODE:
1443	sv_unmagic (scalar, MMAP_MAGIC);	1780	sv_unmagic (scalar, MMAP_MAGIC);
1444		1781
1445	int	1782	int
1446	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1783	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447	PROTOTYPE: $$$$	1784	ALIAS:
		1785	mprotect = 1
1448	CODE:	1786	CODE:
1449	{	1787	{
1450	char *addr = SvPV_nolen (scalar) + offset;	1788	STRLEN svlen;
		1789	void *addr = SvPVbyte (scalar, svlen);
		1790	STRLEN len = SvUV (length);
1451		1791
1452	if (!SvOK (ST (2)))	1792	if (offset < 0)
		1793	offset += svlen;
		1794
		1795	if (offset < 0 || offset > svlen)
		1796	croak ("offset outside of scalar");
		1797
		1798	if (!SvOK (length) || len + offset > svlen)
1453	length = SvCUR (scalar) - offset;	1799	len = svlen - offset;
1454		1800
1455	if (addr >= SvEND (scalar) || length <= 0)	1801	addr = (void *)(((intptr_t)addr) + offset);
1456	XSRETURN_EMPTY;	1802	eio_page_align (&addr, &len);
1457		1803
1458	#if _XOPEN_SOURCE >= 600 && !NO_MADVISE	1804	switch (ix)
		1805	{
1459	RETVAL = posix_madvise (addr, length, advice);	1806	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460	#else	1807	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461	RETVAL = errno = ENOSYS; /* yes, this is actually correct */	1808	}
1462	#endif
1463	}	1809	}
1464	OUTPUT:	1810	OUTPUT:
1465	RETVAL	1811	RETVAL
1466		1812
1467	int	1813	int
1468	mlockall (int flags)	1814	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1815	CODE:
		1816	{
		1817	STRLEN svlen;
		1818	void *addr = SvPVbyte (scalar, svlen);
		1819	size_t len = SvUV (length);
		1820
		1821	if (offset < 0)
		1822	offset += svlen;
		1823
		1824	if (offset < 0 || offset > svlen)
		1825	croak ("offset outside of scalar");
		1826
		1827	if (!SvOK (length) || len + offset > svlen)
		1828	len = svlen - offset;
		1829
		1830	addr = (void *)(((intptr_t)addr) + offset);
		1831	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1832	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1833	RETVAL = munlock (addr, len);
1473	extern int mallopt (int, int);
1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475	#endif
1476	mlockall (flags);
1477	#else	1834	#else
1478	RETVAL = -1;	1835	RETVAL = EIO_ENOSYS ();
1479	errno = ENOSYS;
1480	#endif	1836	#endif
		1837	}
1481	OUTPUT:	1838	OUTPUT:
1482	RETVAL	1839	RETVAL
1483		1840
1484	int	1841	int
1485	munlockall ()	1842	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1843	CODE:
1488	#if _POSIX_MEMLOCK	1844	#if _POSIX_MEMLOCK
1489	munlockall ();	1845	munlockall ();
1490	#else	1846	#else
1491	RETVAL = -1;	1847	RETVAL = EIO_ENOSYS ();
1492	errno = ENOSYS;
1493	#endif	1848	#endif
1494	OUTPUT:	1849	OUTPUT:
1495	RETVAL	1850	RETVAL
		1851
		1852	int
		1853	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1854	CODE:
		1855	{
		1856	#if HAVE_LINUX_SPLICE
		1857	loff_t off_in_, off_out_;
		1858	RETVAL = splice (
		1859	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1860	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1861	length, flags
		1862	);
		1863	#else
		1864	RETVAL = EIO_ENOSYS ();
		1865	#endif
		1866	}
		1867	OUTPUT:
		1868	RETVAL
		1869
		1870	int
		1871	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1872	CODE:
		1873	#if HAVE_LINUX_SPLICE
		1874	RETVAL = tee (rfh, wfh, length, flags);
		1875	#else
		1876	RETVAL = EIO_ENOSYS ();
		1877	#endif
		1878	OUTPUT:
		1879	RETVAL
		1880
		1881	int
		1882	pipesize (aio_rfd rfh, int new_size = -1)
		1883	PROTOTYPE: $;$
		1884	CODE:
		1885	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1886	if (new_size >= 0)
		1887	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1888	else
		1889	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1890	#else
		1891	errno = ENOSYS;
		1892	RETVAL = -1;
		1893	#endif
		1894	OUTPUT:
		1895	RETVAL
		1896
		1897	void
		1898	pipe2 (int flags = 0)
		1899	PROTOTYPE: ;$
		1900	PPCODE:
		1901	{
		1902	int fd[2];
		1903	int res;
		1904
		1905	if (flags)
		1906	#if HAVE_PIPE2
		1907	res = pipe2 (fd, flags);
		1908	#else
		1909	res = (errno = ENOSYS, -1);
		1910	#endif
		1911	else
		1912	res = pipe (fd);
		1913
		1914	if (!res)
		1915	{
		1916	EXTEND (SP, 2);
		1917	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1918	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1919	}
		1920	}
1496		1921
1497	void _on_next_submit (SV *cb)	1922	void _on_next_submit (SV *cb)
1498	CODE:	1923	CODE:
1499	SvREFCNT_dec (on_next_submit);	1924	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1925	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		1926
1502	PROTOTYPES: DISABLE	1927	PROTOTYPES: DISABLE
1503		1928
		1929	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1930
		1931	BOOT:
		1932	{
		1933	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1934	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1935	}
		1936
		1937	void
		1938	DESTROY (SV *self)
		1939	CODE:
		1940	{
		1941	aio_wd wd = SvAIO_WD (self);
		1942	#if HAVE_AT
		1943	{
		1944	SV *callback = &PL_sv_undef;
		1945	dREQ; /* clobbers next_pri :/ */
		1946	next_pri = req->pri; /* restore next_pri */
		1947	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1948	req->type = EIO_WD_CLOSE;
		1949	req->wd = wd;
		1950	REQ_SEND;
		1951	}
		1952	#else
		1953	eio_wd_close_sync (wd);
		1954	#endif
		1955	}
		1956
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1957	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		1958
1506	void	1959	void
1507	cancel (aio_req_ornot req)	1960	cancel (aio_req_ornot req)
1508	CODE:	1961	CODE:
1509	eio_cancel (req);	1962	eio_cancel (req);
1510		1963
1511	void	1964	void
1512	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1965	cb (aio_req_ornot req, SV *callback = NO_INIT)
1513	PPCODE:	1966	PPCODE:
1514	{	1967	{
1515	if (GIMME_V != G_VOID)	1968	if (GIMME_V != G_VOID)
1516	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1969	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517		1970
1518	if (items > 1)	1971	if (items > 1)
1519	{	1972	{
1520	SV *cb_cv =get_cb (callback);	1973	SV *cb_cv = get_cb (callback);
1521		1974
1522	SvREFCNT_dec (req->callback);	1975	SvREFCNT_dec (req->callback);
1523	req->callback = SvREFCNT_inc (cb_cv);	1976	req->callback = SvREFCNT_inc (cb_cv);
1524	}	1977	}
1525	}	1978	}
…		…
1582	limit (aio_req grp, int limit)	2035	limit (aio_req grp, int limit)
1583	CODE:	2036	CODE:
1584	eio_grp_limit (grp, limit);	2037	eio_grp_limit (grp, limit);
1585		2038
1586	void	2039	void
1587	feed (aio_req grp, SV *callback=&PL_sv_undef)	2040	feed (aio_req grp, SV *callback = &PL_sv_undef)
1588	CODE:	2041	CODE:
1589	{	2042	{
1590	SvREFCNT_dec (grp->sv2);	2043	SvREFCNT_dec (grp->sv2);
1591	grp->sv2 = newSVsv (callback);	2044	grp->sv2 = newSVsv (callback);
1592	grp->feed = aio_grp_feed;	2045	grp->feed = aio_grp_feed;

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