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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.238 by root, Thu Jan 21 23:04:46 2016 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
		35	#endif
		36
24	/* perl namespace pollution */	37	/* perl namespace pollution */
25	#undef VERSION	38	#undef VERSION
26		39
27	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	43	#undef opendir
31	#undef closedir	44	#undef closedir
32		45
33	#ifdef _WIN32	46	#ifdef _WIN32
34		47
35	#define EIO_STRUCT_DIRENT Direntry_t	48	// perl overrides all those nice libc functions
		49
36	#undef malloc	50	#undef malloc
37	#undef free	51	#undef free
38
39	// perl overrides all those nice libc functions
40	#undef open	52	#undef open
41	#undef read	53	#undef read
42	#undef write	54	#undef write
43	#undef send	55	#undef send
44	#undef recv	56	#undef recv
…		…
63	#undef dup	75	#undef dup
64	#undef dup2	76	#undef dup2
65	#undef abort	77	#undef abort
66	#undef pipe	78	#undef pipe
67		79
		80	#define EIO_STRUCT_STAT struct _stati64
		81	#define EIO_STRUCT_STATI64
		82
68	#else	83	#else
69		84
70	#include <sys/time.h>	85	#include <sys/time.h>
71	#include <sys/select.h>	86	#include <sys/select.h>
72	#include <unistd.h>	87	#include <unistd.h>
73	#include <utime.h>	88	#include <utime.h>
74	#include <signal.h>	89	#include <signal.h>
75		90
76	#endif
77
78	#define EIO_STRUCT_STAT Stat_t	91	#define EIO_STRUCT_STAT Stat_t
79		92
80	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8
82	# define VAL64 IV
83	# define SvVAL64 SvIV
84	# define newSVval64 newSViv
85	#else
86	# define VAL64 NV
87	# define SvVAL64 SvNV
88	# define newSVval64 newSVnv
89	#endif	93	#endif
90		94
91	/*****************************************************************************/	95	/*****************************************************************************/
92		96
93	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
103		107
104	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
107		111
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109		113
110	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
111	SV *callback; \	115	SV *callback; \
112	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
113	STRLEN stroffset; \	118	STRLEN stroffset; \
114	SV *self;	119	SV *self;
115		120
116	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
117		122
…		…
123	static void req_destroy (eio_req *grp);	128	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	129	#define EIO_DESTROY(req) req_destroy (req)
125		130
126	#include "libeio/eio.c"	131	#include "libeio/eio.c"
127		132
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
194	# 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 */
195	#endif	135	#endif
196		136
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	139	#endif
291		140
292	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	142	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
295	# else	144	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	146	# endif
298	#endif	147	#endif
299	#ifndef MAP_HUGETLB	148
300	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	150	/* also provides const_iv_ and const_niv_ macros for them */
302	#ifndef MAP_LOCKED	151	#include "def0.h"
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		152
315	#ifndef makedev	153	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	154	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	155	#endif
318	#ifndef major	156	#ifndef major
…		…
320	#endif	158	#endif
321	#ifndef minor	159	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	160	# define minor(dev) ((dev) & 0xff)
323	#endif	161	#endif
324		162
325	#ifndef PAGESIZE	163	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	165	#endif
		166
		167	/*****************************************************************************/
		168
		169	static void
		170	fiemap (eio_req *req)
		171	{
		172	req->result = -1;
		173
		174	#if HAVE_FIEMAP
		175	/* assume some c99 */
		176	struct fiemap *fiemap = 0;
		177	size_t end_offset;
		178	int count = req->int3;
		179
		180	req->flags |= EIO_FLAG_PTR1_FREE;
		181
		182	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		183	/* increase in 3.5kb steps */
		184	if (count < 0)
		185	count = 8;
		186
		187	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		188	errno = ENOMEM;
		189	if (!fiemap)
		190	return;
		191
		192	req->ptr1 = fiemap;
		193
		194	fiemap->fm_start = req->offs;
		195	fiemap->fm_length = req->size;
		196	fiemap->fm_flags = req->int2;
		197	fiemap->fm_extent_count = count;
		198
		199	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		200	return;
		201
		202	if (req->int3 >= 0 /* not autosizing */
		203	|| !fiemap->fm_mapped_extents /* no more extents */
		204	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		205	goto done;
		206
		207	/* else we have to loop -
		208	* it would be tempting (actually I tried that first) to just query the
		209	* number of extents needed, but linux often feels like not returning all
		210	* extents, without telling us it left any out. this complicates
		211	* this quite a bit.
		212	*/
		213
		214	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		215
		216	for (;;)
		217	{
		218	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		219	char scratch[3072];
		220	struct fiemap *incmap = (struct fiemap *)scratch;
		221
		222	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		223	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		224	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		225	incmap->fm_flags = fiemap->fm_flags;
		226	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		227
		228	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		229	return;
		230
		231	if (!incmap->fm_mapped_extents)
		232	goto done;
		233
		234	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		235	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		236	errno = ENOMEM;
		237	if (!fiemap)
		238	return;
		239
		240	req->ptr1 = fiemap;
		241
		242	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		243	{
		244	struct fiemap_extent *e = incmap->fm_extents + count;
		245
		246	if (e->fe_logical + e->fe_length >= end_offset)
		247	goto done;
		248
		249	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		250
		251	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		252	goto done;
		253
		254	}
		255	}
		256
		257	done:
		258	req->result = 0;
		259
		260	#else
		261	errno = ENOSYS;
		262	#endif
		263	}
		264
		265	/*****************************************************************************/
328		266
329	enum {	267	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	269	};
332		270
333	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
335		274
336	static SV *on_next_submit;	275	static SV *on_next_submit;
337	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
338	static int max_outstanding;	277	static int max_outstanding;
339		278
340	static s_epipe respipe;	279	static s_epipe respipe;
341		280
342	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
343	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
344		283
345	static void want_poll (void)	284	static void
		285	want_poll (void)
346	{	286	{
347	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
348	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
349	}	289	}
350		290
351	static void done_poll (void)	291	static void
		292	done_poll (void)
352	{	293	{
353	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
354	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
355	}	296	}
356		297
357	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
358	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
359	{	301	{
360	if (!req->self)	302	if (!req->self)
361	{	303	{
362	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
363	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364	}	306	}
365		307
366	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367	}	309	}
368		310
369	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)
370	{	319	{
371	MAGIC *mg;	320	MAGIC *mg;
372		321
373	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
375	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
376	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
377	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
378		328
379	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380		330
381	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
382	}	332	}
383		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
384	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
385	{	372	{
386	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
387	{	374	{
388	dSP;	375	dSP;
389		376
…		…
397	FREETMPS;	384	FREETMPS;
398	LEAVE;	385	LEAVE;
399	}	386	}
400	}	387	}
401		388
		389	static void
402	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
403	{	391	{
404	eio_submit (req);	392	eio_submit (req);
405		393
406	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
407	{	395	{
…		…
414	PUTBACK;	402	PUTBACK;
415	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
416	}	404	}
417	}	405	}
418		406
		407	static int
419	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
420	{	409	{
421	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
422	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
423		412
424	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
…		…
445	SvREADONLY_on (sv_result);	434	SvREADONLY_on (sv_result);
446	}	435	}
447		436
448	switch (req->type)	437	switch (req->type)
449	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
450	case EIO_READDIR:	443	case EIO_READDIR:
451	{	444	{
452	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
453		446
454	if (req->result >= 0)	447	if (req->result >= 0)
…		…
507	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))));
508	}	501	}
509	break;	502	break;
510		503
511	case EIO_OPEN:	504	case EIO_OPEN:
512	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
513	/* convert fd to fh */
514	SV *fh = &PL_sv_undef;
515
516	if (req->result >= 0)
517	{
518	GV *gv = (GV *)sv_newmortal ();
519	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
520	char sym [64];
521	int symlen;
522
523	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
524	gv_init (gv, aio_stash, sym, symlen, 0);
525
526	symlen = snprintf (
527	sym,
528	sizeof (sym),
529	"%s&=%d",
530	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
531	(int)req->result
532	);
533
534	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
535	fh = (SV *)gv;
536	}
537
538	PUSHs (fh);
539	}
540	break;	506	break;
541		507
542	case EIO_STATVFS:	508	case EIO_STATVFS:
543	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
544	{	510	{
…		…
547	#ifndef _WIN32	513	#ifndef _WIN32
548	if (req->result >= 0)	514	if (req->result >= 0)
549	{	515	{
550	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551	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));
552		523
553	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
554		525
555	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);
556	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);
…		…
558	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);
559	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);
560	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);
561	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);
562	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);
563	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564	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);
565	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);
566	}	537	}
567	#endif	538	#endif
568		539
…		…
596	break;	567	break;
597		568
598	case EIO_STAT:	569	case EIO_STAT:
599	case EIO_LSTAT:	570	case EIO_LSTAT:
600	case EIO_FSTAT:	571	case EIO_FSTAT:
601	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
602	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
603	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
604	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		577
605	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)));
606	break;	583	break;
607		584
608	case EIO_READ:	585	case EIO_READ:
609	{	586	{
610	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));
…		…
613	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
614	PUSHs (sv_result);	591	PUSHs (sv_result);
615	}	592	}
616	break;	593	break;
617		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
618	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619	if (req->result > 0)	636	if (req->result > 0)
620	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
621	/* FALLTHROUGH */	638	/* FALLTHROUGH */
622		639
…		…
643	}	660	}
644		661
645	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
646	}	663	}
647		664
		665	static void
648	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
649	{	667	{
650	if (req->self)	668	if (req->self)
651	{	669	{
652	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
653	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
654	}	672	}
655		673
656	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
657	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
658	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
659		679
660	Safefree (req);	680	free (req);
661	}	681	}
662		682
		683	static void
663	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
664	{	685	{
665	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
666	return;	687	return;
667		688
668	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
669	grp->sv2 = 0;	690	grp->sv2 = 0;
670		691
671	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
672	}	693	}
673		694
		695	static void ecb_cold
674	static void create_respipe (void)	696	create_respipe (void)
675	{	697	{
676	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
677	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
678	}	700	}
679		701
680	static void poll_wait (void)	702	static void
		703	poll_wait (void)
681	{	704	{
682	while (eio_nreqs ())	705	while (eio_nreqs ())
683	{	706	{
684	int size;	707	int size;
685		708
686	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
687	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
688	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
689		712
690	if (size)	713	if (size)
691	return;	714	return;
692		715
693	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
694		717
695	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
696	}	719	}
697	}	720	}
698		721
699	static int poll_cb (void)	722	static int
		723	poll_cb (void)
700	{	724	{
701	for (;;)	725	for (;;)
702	{	726	{
703	int res = eio_poll ();	727	int res = eio_poll ();
704		728
…		…
710		734
711	poll_wait ();	735	poll_wait ();
712	}	736	}
713	}	737	}
714		738
715	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
716	{	741	{
717	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
718	}	746	}
719		747
720	/*****************************************************************************/	748	/*****************************************************************************/
721		749
722	#if !_POSIX_MAPPED_FILES	750	#if !_POSIX_MAPPED_FILES
723	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
724	# define munmap(addr,length) (errno = ENOSYS, -1)	752	# define munmap(addr,length) EIO_ENOSYS ()
725	#endif	753	#endif
726		754
727	#if !_POSIX_MEMORY_PROTECTION	755	#if !_POSIX_MEMORY_PROTECTION
728	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
729	# define PROT_NONE 0
730	# define PROT_WRITE 0
731	# define MAP_PRIVATE 0
732	# define MAP_SHARED 0
733	# define MAP_FIXED 0
734	#endif	757	#endif
735		758
736	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
737		760
		761	static int ecb_cold
738	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
739	{	763	{
740	int old_errno = errno;	764	int old_errno = errno;
741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742	errno = old_errno;	766	errno = old_errno;
743		767
…		…
759	0, 0, 0, 0, mmap_free	783	0, 0, 0, 0, mmap_free
760	};	784	};
761		785
762	/*****************************************************************************/	786	/*****************************************************************************/
763		787
		788	static SV *
764	static SV * get_cb (SV *cb_sv)	789	get_cb (SV *cb_sv)
765	{	790	{
766	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768	}	793	}
769		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
770	#define dREQ \	815	#define dREQ \
771	SV *cb_cv; \	816	aio_req req = dreq (callback); \
772	aio_req req; \
773	int req_pri = next_pri; \
774	next_pri = EIO_PRI_DEFAULT; \
775	\
776	cb_cv = get_cb (callback); \
777	\
778	Newz (0, req, 1, eio_req); \
779	if (!req) \
780	croak ("out of memory during eio_req allocation"); \
781	\
782	req->callback = SvREFCNT_inc (cb_cv); \
783	req->pri = req_pri
784		817
785	#define REQ_SEND \	818	#define REQ_SEND \
786	PUTBACK; \	819	PUTBACK; \
787	req_submit (req); \	820	req_submit (req); \
788	SPAGAIN; \	821	SPAGAIN; \
789	\	822	\
790	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
791	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
792		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
793	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
794		893
795	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
796		895
797	BOOT:	896	BOOT:
…		…
801	IV iv;	900	IV iv;
802	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
803	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
804	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
805	# 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)
806	const_iv (EXDEV)	909	const_iv (EXDEV)
807	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 */
808	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
809	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
810	const_iv (O_RDWR)	932	const_iv (O_RDWR)
811	const_iv (O_CREAT)	933	const_iv (O_CREAT)
812	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
…		…
825	const_iv (O_SEARCH)	947	const_iv (O_SEARCH)
826	const_iv (O_DIRECTORY)	948	const_iv (O_DIRECTORY)
827	const_iv (O_DSYNC)	949	const_iv (O_DSYNC)
828	const_iv (O_RSYNC)	950	const_iv (O_RSYNC)
829	const_iv (O_SYNC)	951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
830	const_iv (O_TTY_INIT)	954	const_iv (O_TTY_INIT)
831		955
832	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
833	const_iv (S_IFCHR)	957	const_iv (S_IFCHR)
834	const_iv (S_IFBLK)	958	const_iv (S_IFBLK)
…		…
836	const_iv (S_IFREG)	960	const_iv (S_IFREG)
837	const_iv (S_IFDIR)	961	const_iv (S_IFDIR)
838	const_iv (S_IFWHT)	962	const_iv (S_IFWHT)
839	const_iv (S_IFSOCK)	963	const_iv (S_IFSOCK)
840	const_iv (S_IFMT)	964	const_iv (S_IFMT)
841
842	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
843	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
844	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
845	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
846	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
847	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854		965
855	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
856	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
857	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
858	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
868	const_iv (PROT_NONE)	979	const_iv (PROT_NONE)
869	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
870	const_iv (PROT_READ)	981	const_iv (PROT_READ)
871	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
872		983
873	/*const_iv (MAP_FIXED)*/
874	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
875	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
876	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
877		988
878	/* linuxish */	989	/* linuxish */
879	const_iv (MAP_HUGETLB)
880	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
881	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
882	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
883	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)
884		1023
885	const_eio (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
887		1026
888	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
…		…
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1035	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897		1036
898	const_eio (FALLOC_FL_KEEP_SIZE)	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)
899		1041
900	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
901	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
902	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
903	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
914	};	1056	};
915		1057
916	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
917	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918	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);
919		1062
920	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--)
921	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922		1065
923	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924		1067
925	create_respipe ();	1068	reinit ();
926
927	if (eio_init (want_poll, done_poll) < 0)
928	croak ("IO::AIO: unable to initialise eio library");
929
930	/* atfork child called in fifo order, so before eio's handler */
931	X_THREAD_ATFORK (0, 0, atfork_child);
932	}	1069	}
		1070
		1071	void
		1072	reinit ()
		1073	PROTOTYPE:
933		1074
934	void	1075	void
935	max_poll_reqs (unsigned int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
936	PROTOTYPE: $	1077	PROTOTYPE: $
937	CODE:	1078	CODE:
…		…
972	PROTOTYPE: $	1113	PROTOTYPE: $
973	CODE:	1114	CODE:
974	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
975		1116
976	void	1117	void
977	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978	PPCODE:	1119	PPCODE:
979	{	1120	{
980	dREQ;	1121	dREQ;
981		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
982	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
983	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
984	req->ptr1 = SvPVbyte_nolen (req->sv1);
985	req->int1 = flags;	1137	req->int1 = flags;
986	req->int2 = mode;	1138	req->int2 = mode;
987		1139
988	REQ_SEND;	1140	REQ_SEND;
989	}	1141	}
990		1142
991	void	1143	void
992	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993	ALIAS:	1145	ALIAS:
994	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
995	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
996	PPCODE:	1149	PPCODE:
997	{	1150	{
998	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
999	dREQ;	1152	dREQ;
1000		1153
1001	req->type = ix;	1154	req->type = ix;
1002	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
1003	req->int1 = fd;	1156	req->int1 = fd;
1004		1157
1005	REQ_SEND (req);	1158	REQ_SEND;
1006	}	1159	}
1007		1160
1008	void	1161	void
1009	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)
1010	PPCODE:	1163	PPCODE:
1011	{	1164	{
1012	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
1013	dREQ;	1166	dREQ;
1014		1167
1015	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
1016	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
1017	req->int1 = fd;	1170	req->int1 = fd;
1018	req->offs = offset;	1171	req->offs = offset;
1019	req->size = nbytes;	1172	req->size = nbytes;
1020	req->int2 = flags;	1173	req->int2 = flags;
1021		1174
1022	REQ_SEND (req);	1175	REQ_SEND;
1023	}	1176	}
1024		1177
1025	void	1178	void
1026	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1179	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027	PPCODE:	1180	PPCODE:
1028	{	1181	{
1029	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1183	dREQ;
1031		1184
1032	req->type = EIO_FALLOCATE;	1185	req->type = EIO_FALLOCATE;
1033	req->sv1 = newSVsv (fh);	1186	req->sv1 = newSVsv (fh);
1034	req->int1 = fd;	1187	req->int1 = fd;
1035	req->int2 = mode;	1188	req->int2 = mode;
1036	req->offs = offset;	1189	req->offs = offset;
1037	req->size = len;	1190	req->size = len;
1038		1191
1039	REQ_SEND (req);	1192	REQ_SEND;
1040	}	1193	}
1041		1194
1042	void	1195	void
1043	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1196	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044	PPCODE:	1197	PPCODE:
1045	{	1198	{
1046	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1199	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047	int fd = s_fileno_croak (fh, 0);	1200	int fd = s_fileno_croak (fh, 0);
1048	dREQ;	1201	dREQ;
1049		1202
1050	if (expect_false (close_fd < 0))	1203	if (expect_false (close_fd < 0))
1051	{	1204	{
1052	int pipefd [2];	1205	int pipefd [2];
…		…
1068	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
1069	req->int1 = close_fd;	1222	req->int1 = close_fd;
1070	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
1071	req->int2 = fd;	1224	req->int2 = fd;
1072		1225
1073	REQ_SEND (req);	1226	REQ_SEND;
1074	}	1227	}
1075		1228
1076	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
1077	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)
1078	ALIAS:	1247	ALIAS:
1079	aio_read = EIO_READ	1248	aio_read = EIO_READ
1080	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
1081	PPCODE:	1250	PPCODE:
1082	{	1251	{
…		…
1098	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
1099	}	1268	}
1100	else	1269	else
1101	{	1270	{
1102	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
1103	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104	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");
1105	}	1276	}
1106		1277
1107	{	1278	{
1108	dREQ;	1279	dREQ;
1109		1280
…		…
1125	REQ_SEND;	1296	REQ_SEND;
1126	}	1297	}
1127	}	1298	}
1128		1299
1129	void	1300	void
1130	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1301	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131	ALIAS:	1302	ALIAS:
1132	aio_readlink = EIO_READLINK	1303	aio_readlink = EIO_READLINK
1133	aio_realpath = EIO_REALPATH	1304	aio_realpath = EIO_REALPATH
1134	PPCODE:	1305	PPCODE:
1135	{	1306	{
1136	dREQ;	1307	dREQ;
1137		1308
1138	req->type = ix;	1309	req->type = ix;
1139	req->sv1 = newSVsv (path);	1310	req_set_path1 (req, pathname);
1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
1141		1311
1142	REQ_SEND;	1312	REQ_SEND;
1143	}	1313	}
1144		1314
1145	void	1315	void
1146	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1316	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147	PPCODE:	1317	PPCODE:
1148	{	1318	{
1149	int ifd = s_fileno_croak (in_fh , 0);	1319	int ifd = s_fileno_croak (in_fh , 0);
1150	int ofd = s_fileno_croak (out_fh, 1);	1320	int ofd = s_fileno_croak (out_fh, 1);
1151	dREQ;	1321	dREQ;
1152		1322
1153	req->type = EIO_SENDFILE;	1323	req->type = EIO_SENDFILE;
1154	req->sv1 = newSVsv (out_fh);	1324	req->sv1 = newSVsv (out_fh);
1155	req->int1 = ofd;	1325	req->int1 = ofd;
…		…
1160		1330
1161	REQ_SEND;	1331	REQ_SEND;
1162	}	1332	}
1163		1333
1164	void	1334	void
1165	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1335	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166	PPCODE:	1336	PPCODE:
1167	{	1337	{
1168	int fd = s_fileno_croak (fh, 0);	1338	int fd = s_fileno_croak (fh, 0);
1169	dREQ;	1339	dREQ;
1170		1340
1171	req->type = EIO_READAHEAD;	1341	req->type = EIO_READAHEAD;
1172	req->sv1 = newSVsv (fh);	1342	req->sv1 = newSVsv (fh);
1173	req->int1 = fd;	1343	req->int1 = fd;
…		…
1176		1346
1177	REQ_SEND;	1347	REQ_SEND;
1178	}	1348	}
1179		1349
1180	void	1350	void
1181	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1351	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182	ALIAS:	1352	ALIAS:
1183	aio_stat = EIO_STAT	1353	aio_stat = EIO_STAT
1184	aio_lstat = EIO_LSTAT	1354	aio_lstat = EIO_LSTAT
1185	aio_statvfs = EIO_STATVFS	1355	aio_statvfs = EIO_STATVFS
1186	PPCODE:	1356	PPCODE:
1187	{	1357	{
1188	dREQ;	1358	dREQ;
1189		1359
1190	req->sv1 = newSVsv (fh_or_path);	1360	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192	if (SvPOK (req->sv1))
1193	{
1194	req->type = ix;
1195	req->ptr1 = SvPVbyte_nolen (req->sv1);
1196	}
1197	else
1198	{
1199	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201	}
1202		1361
1203	REQ_SEND;	1362	REQ_SEND;
1204	}	1363	}
1205		1364
1206	UV	1365	UV
…		…
1218	RETVAL = makedev (maj, min);	1377	RETVAL = makedev (maj, min);
1219	OUTPUT:	1378	OUTPUT:
1220	RETVAL	1379	RETVAL
1221		1380
1222	void	1381	void
1223	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1382	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224	PPCODE:	1383	PPCODE:
1225	{	1384	{
1226	dREQ;	1385	dREQ;
1227		1386
1228	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1387	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1388	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230	req->sv1 = newSVsv (fh_or_path);	1389	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232	if (SvPOK (req->sv1))
1233	{
1234	req->type = EIO_UTIME;
1235	req->ptr1 = SvPVbyte_nolen (req->sv1);
1236	}
1237	else
1238	{
1239	req->type = EIO_FUTIME;
1240	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241	}
1242		1390
1243	REQ_SEND;	1391	REQ_SEND;
1244	}	1392	}
1245		1393
1246	void	1394	void
1247	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1395	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248	PPCODE:	1396	PPCODE:
1249	{	1397	{
1250	dREQ;	1398	dREQ;
1251		1399
1252	req->sv1 = newSVsv (fh_or_path);
1253	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1400	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254		1401	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255	if (SvPOK (req->sv1))
1256	{
1257	req->type = EIO_TRUNCATE;
1258	req->ptr1 = SvPVbyte_nolen (req->sv1);
1259	}
1260	else
1261	{
1262	req->type = EIO_FTRUNCATE;
1263	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264	}
1265		1402
1266	REQ_SEND;	1403	REQ_SEND;
1267	}	1404	}
1268		1405
1269	void	1406	void
1270	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1407	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1271	ALIAS:
1272	aio_chmod = EIO_CHMOD
1273	aio_mkdir = EIO_MKDIR
1274	PPCODE:	1408	PPCODE:
1275	{	1409	{
1276	dREQ;	1410	dREQ;
1277		1411
1278	req->int2 = mode;	1412	req->int2 = mode;
1279	req->sv1 = newSVsv (fh_or_path);	1413	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281	if (SvPOK (req->sv1))
1282	{
1283	req->type = ix;
1284	req->ptr1 = SvPVbyte_nolen (req->sv1);
1285	}
1286	else
1287	{
1288	req->type = EIO_FCHMOD;
1289	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290	}
1291		1414
1292	REQ_SEND;	1415	REQ_SEND;
1293	}	1416	}
1294		1417
1295	void	1418	void
1296	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1419	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297	PPCODE:	1420	PPCODE:
1298	{	1421	{
1299	dREQ;	1422	dREQ;
1300		1423
1301	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1424	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1425	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303	req->sv1 = newSVsv (fh_or_path);	1426	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305	if (SvPOK (req->sv1))
1306	{
1307	req->type = EIO_CHOWN;
1308	req->ptr1 = SvPVbyte_nolen (req->sv1);
1309	}
1310	else
1311	{
1312	req->type = EIO_FCHOWN;
1313	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314	}
1315		1427
1316	REQ_SEND;	1428	REQ_SEND;
1317	}	1429	}
1318		1430
1319	void	1431	void
1320	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1432	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321	PPCODE:	1433	PPCODE:
1322	{	1434	{
1323	dREQ;	1435	dREQ;
1324		1436
1325	req->type = EIO_READDIR;	1437	req->type = EIO_READDIR;
1326	req->sv1 = newSVsv (pathname);
1327	req->ptr1 = SvPVbyte_nolen (req->sv1);
1328	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1438	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329		1439
1330	if (flags & EIO_READDIR_DENTS)	1440	if (flags & EIO_READDIR_DENTS)
1331	req->int1 |= EIO_READDIR_CUSTOM2;	1441	req->int1 |= EIO_READDIR_CUSTOM2;
1332		1442
		1443	req_set_path1 (req, pathname);
		1444
1333	REQ_SEND;	1445	REQ_SEND;
1334	}	1446	}
1335		1447
1336	void	1448	void
		1449	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1450	PPCODE:
		1451	{
		1452	dREQ;
		1453
		1454	req->type = EIO_MKDIR;
		1455	req->int2 = mode;
		1456	req_set_path1 (req, pathname);
		1457
		1458	REQ_SEND;
		1459	}
		1460
		1461	void
1337	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1462	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338	ALIAS:	1463	ALIAS:
1339	aio_unlink = EIO_UNLINK	1464	aio_unlink = EIO_UNLINK
1340	aio_rmdir = EIO_RMDIR	1465	aio_rmdir = EIO_RMDIR
1341	aio_readdir = EIO_READDIR	1466	aio_readdir = EIO_READDIR
1342	PPCODE:	1467	PPCODE:
1343	{	1468	{
1344	dREQ;	1469	dREQ;
1345		1470
1346	req->type = ix;	1471	req->type = ix;
1347	req->sv1 = newSVsv (pathname);	1472	req_set_path1 (req, pathname);
1348	req->ptr1 = SvPVbyte_nolen (req->sv1);
1349		1473
1350	REQ_SEND;	1474	REQ_SEND;
1351	}	1475	}
1352		1476
1353	void	1477	void
1354	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1478	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355	ALIAS:	1479	ALIAS:
1356	aio_link = EIO_LINK	1480	aio_link = EIO_LINK
1357	aio_symlink = EIO_SYMLINK	1481	aio_symlink = EIO_SYMLINK
1358	aio_rename = EIO_RENAME	1482	aio_rename = EIO_RENAME
1359	PPCODE:	1483	PPCODE:
1360	{	1484	{
		1485	eio_wd wd2 = 0;
1361	dREQ;	1486	dREQ;
1362		1487
1363	req->type = ix;	1488	req->type = ix;
1364	req->sv1 = newSVsv (oldpath);	1489	req_set_path1 (req, oldpath);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);	1490	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366	req->sv2 = newSVsv (newpath);	1491	req->int3 = (long)wd2;
1367	req->ptr2 = SvPVbyte_nolen (req->sv2);
1368		1492
1369	REQ_SEND;	1493	REQ_SEND;
1370	}	1494	}
1371		1495
1372	void	1496	void
1373	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1497	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374	PPCODE:	1498	PPCODE:
1375	{	1499	{
1376	dREQ;	1500	dREQ;
1377		1501
1378	req->type = EIO_MKNOD;	1502	req->type = EIO_MKNOD;
1379	req->sv1 = newSVsv (pathname);
1380	req->ptr1 = SvPVbyte_nolen (req->sv1);
1381	req->int2 = (mode_t)mode;	1503	req->int2 = (mode_t)mode;
1382	req->offs = dev;	1504	req->offs = dev;
		1505	req_set_path1 (req, pathname);
1383		1506
1384	REQ_SEND;	1507	REQ_SEND;
1385	}	1508	}
1386		1509
1387	void	1510	void
1388	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1511	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1389	ALIAS:	1512	ALIAS:
1390	aio_mtouch = EIO_MTOUCH	1513	aio_mtouch = EIO_MTOUCH
1391	aio_msync = EIO_MSYNC	1514	aio_msync = EIO_MSYNC
1392	PPCODE:	1515	PPCODE:
1393	{	1516	{
…		…
1416	REQ_SEND;	1539	REQ_SEND;
1417	}	1540	}
1418	}	1541	}
1419		1542
1420	void	1543	void
1421	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1544	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422	PPCODE:	1545	PPCODE:
1423	{	1546	{
1424	STRLEN svlen;	1547	STRLEN svlen;
1425	char *svptr = SvPVbyte (data, svlen);	1548	char *svptr = SvPVbyte (data, svlen);
1426	UV len = SvUV (length);	1549	UV len = SvUV (length);
…		…
1445	REQ_SEND;	1568	REQ_SEND;
1446	}	1569	}
1447	}	1570	}
1448		1571
1449	void	1572	void
1450	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1573	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451	PPCODE:	1574	PPCODE:
1452	{	1575	{
1453	dREQ;	1576	dREQ;
1454		1577
1455	req->type = EIO_MLOCKALL;	1578	req->type = EIO_MLOCKALL;
…		…
1457		1580
1458	REQ_SEND;	1581	REQ_SEND;
1459	}	1582	}
1460		1583
1461	void	1584	void
		1585	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1586	PPCODE:
		1587	{
		1588	int fd = s_fileno_croak (fh, 0);
		1589	dREQ;
		1590
		1591	req->type = EIO_CUSTOM;
		1592	req->sv1 = newSVsv (fh);
		1593	req->int1 = fd;
		1594
		1595	req->feed = fiemap;
		1596	#if HAVE_FIEMAP
		1597	/* keep our fingers crossed that the next two types are 64 bit */
		1598	req->offs = start;
		1599	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1600	req->int2 = flags;
		1601	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1602	#endif
		1603
		1604	REQ_SEND;
		1605	}
		1606
		1607	void
1462	aio_busy (double delay, SV *callback=&PL_sv_undef)	1608	aio_busy (double delay, SV *callback = &PL_sv_undef)
1463	PPCODE:	1609	PPCODE:
1464	{	1610	{
1465	dREQ;	1611	dREQ;
1466		1612
1467	req->type = EIO_BUSY;	1613	req->type = EIO_BUSY;
…		…
1469		1615
1470	REQ_SEND;	1616	REQ_SEND;
1471	}	1617	}
1472		1618
1473	void	1619	void
1474	aio_group (SV *callback=&PL_sv_undef)	1620	aio_group (SV *callback = &PL_sv_undef)
1475	PPCODE:	1621	PPCODE:
1476	{	1622	{
1477	dREQ;	1623	dREQ;
1478		1624
1479	req->type = EIO_GROUP;	1625	req->type = EIO_GROUP;
1480		1626
		1627	PUTBACK;
1481	req_submit (req);	1628	req_submit (req);
		1629	SPAGAIN;
		1630
1482	XPUSHs (req_sv (req, aio_grp_stash));	1631	XPUSHs (req_sv (req, aio_grp_stash));
1483	}	1632	}
1484		1633
1485	void	1634	void
1486	aio_nop (SV *callback=&PL_sv_undef)	1635	aio_nop (SV *callback = &PL_sv_undef)
1487	ALIAS:	1636	ALIAS:
1488	aio_nop = EIO_NOP	1637	aio_nop = EIO_NOP
1489	aio_sync = EIO_SYNC	1638	aio_sync = EIO_SYNC
1490	PPCODE:	1639	PPCODE:
1491	{	1640	{
…		…
1495		1644
1496	REQ_SEND;	1645	REQ_SEND;
1497	}	1646	}
1498		1647
1499	int	1648	int
1500	aioreq_pri (int pri = 0)	1649	aioreq_pri (int pri = NO_INIT)
1501	CODE:	1650	CODE:
1502	RETVAL = next_pri;	1651	RETVAL = next_pri;
1503	if (items > 0)	1652	if (items > 0)
1504	{	1653	{
1505	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1654	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1587	CODE:	1736	CODE:
1588	RETVAL = posix_fadvise (fh, offset, length, advice);	1737	RETVAL = posix_fadvise (fh, offset, length, advice);
1589	OUTPUT:	1738	OUTPUT:
1590	RETVAL	1739	RETVAL
1591		1740
1592	ssize_t	1741	IV
1593	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1742	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594	CODE:	1743	CODE:
1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1744	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596	OUTPUT:	1745	OUTPUT:
1597	RETVAL	1746	RETVAL
1598		1747
1599	void	1748	void
1600	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1749	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601	PPCODE:	1750	PPCODE:
1602	sv_unmagic (scalar, MMAP_MAGIC);	1751	sv_unmagic (scalar, MMAP_MAGIC);
1603	{	1752	{
1604	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1753	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1754	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1632	munmap (SV *scalar)	1781	munmap (SV *scalar)
1633	CODE:	1782	CODE:
1634	sv_unmagic (scalar, MMAP_MAGIC);	1783	sv_unmagic (scalar, MMAP_MAGIC);
1635		1784
1636	int	1785	int
1637	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1786	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638	ALIAS:	1787	ALIAS:
1639	mprotect = 1	1788	mprotect = 1
1640	CODE:	1789	CODE:
1641	{	1790	{
1642	STRLEN svlen;	1791	STRLEN svlen;
1643	void *addr = SvPVbyte (scalar, svlen);	1792	void *addr = SvPVbyte (scalar, svlen);
1644	size_t len = SvUV (length);	1793	STRLEN len = SvUV (length);
1645		1794
1646	if (offset < 0)	1795	if (offset < 0)
1647	offset += svlen;	1796	offset += svlen;
1648		1797
1649	if (offset < 0 || offset > svlen)	1798	if (offset < 0 || offset > svlen)
…		…
1663	}	1812	}
1664	OUTPUT:	1813	OUTPUT:
1665	RETVAL	1814	RETVAL
1666		1815
1667	int	1816	int
1668	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1817	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1669	CODE:	1818	CODE:
1670	{	1819	{
1671	STRLEN svlen;	1820	STRLEN svlen;
1672	void *addr = SvPVbyte (scalar, svlen);	1821	void *addr = SvPVbyte (scalar, svlen);
1673	size_t len = SvUV (length);	1822	size_t len = SvUV (length);
1674		1823
1675	if (offset < 0)	1824	if (offset < 0)
1676	offset += svlen;	1825	offset += svlen;
1677		1826
…		…
1684	addr = (void *)(((intptr_t)addr) + offset);	1833	addr = (void *)(((intptr_t)addr) + offset);
1685	eio_page_align (&addr, &len);	1834	eio_page_align (&addr, &len);
1686	#if _POSIX_MEMLOCK_RANGE	1835	#if _POSIX_MEMLOCK_RANGE
1687	RETVAL = munlock (addr, len);	1836	RETVAL = munlock (addr, len);
1688	#else	1837	#else
1689	RETVAL = ((errno = ENOSYS), -1);	1838	RETVAL = EIO_ENOSYS ();
1690	#endif	1839	#endif
1691	}	1840	}
1692	OUTPUT:	1841	OUTPUT:
1693	RETVAL	1842	RETVAL
1694		1843
…		…
1696	munlockall ()	1845	munlockall ()
1697	CODE:	1846	CODE:
1698	#if _POSIX_MEMLOCK	1847	#if _POSIX_MEMLOCK
1699	munlockall ();	1848	munlockall ();
1700	#else	1849	#else
1701	RETVAL = -1;	1850	RETVAL = EIO_ENOSYS ();
1702	errno = ENOSYS;
1703	#endif	1851	#endif
1704	OUTPUT:	1852	OUTPUT:
1705	RETVAL	1853	RETVAL
		1854
		1855	int
		1856	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1857	CODE:
		1858	{
		1859	#if HAVE_LINUX_SPLICE
		1860	loff_t off_in_, off_out_;
		1861	RETVAL = splice (
		1862	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1863	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1864	length, flags
		1865	);
		1866	#else
		1867	RETVAL = EIO_ENOSYS ();
		1868	#endif
		1869	}
		1870	OUTPUT:
		1871	RETVAL
		1872
		1873	int
		1874	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1875	CODE:
		1876	#if HAVE_LINUX_SPLICE
		1877	RETVAL = tee (rfh, wfh, length, flags);
		1878	#else
		1879	RETVAL = EIO_ENOSYS ();
		1880	#endif
		1881	OUTPUT:
		1882	RETVAL
		1883
		1884	int
		1885	pipesize (aio_rfd rfh, int new_size = -1)
		1886	PROTOTYPE: $;$
		1887	CODE:
		1888	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1889	if (new_size >= 0)
		1890	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1891	else
		1892	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1893	#else
		1894	errno = ENOSYS;
		1895	RETVAL = -1;
		1896	#endif
		1897	OUTPUT:
		1898	RETVAL
		1899
		1900	void
		1901	pipe2 (int flags = 0)
		1902	PROTOTYPE: ;$
		1903	PPCODE:
		1904	{
		1905	int fd[2];
		1906	int res;
		1907
		1908	if (flags)
		1909	#if HAVE_PIPE2
		1910	res = pipe2 (fd, flags);
		1911	#else
		1912	res = (errno = ENOSYS, -1);
		1913	#endif
		1914	else
		1915	res = pipe (fd);
		1916
		1917	if (!res)
		1918	{
		1919	EXTEND (SP, 2);
		1920	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1921	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1922	}
		1923	}
1706		1924
1707	void _on_next_submit (SV *cb)	1925	void _on_next_submit (SV *cb)
1708	CODE:	1926	CODE:
1709	SvREFCNT_dec (on_next_submit);	1927	SvREFCNT_dec (on_next_submit);
1710	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1928	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711		1929
1712	PROTOTYPES: DISABLE	1930	PROTOTYPES: DISABLE
1713		1931
		1932	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1933
		1934	BOOT:
		1935	{
		1936	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1937	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1938	}
		1939
		1940	void
		1941	DESTROY (SV *self)
		1942	CODE:
		1943	{
		1944	aio_wd wd = SvAIO_WD (self);
		1945	#if HAVE_AT
		1946	{
		1947	SV *callback = &PL_sv_undef;
		1948	dREQ; /* clobbers next_pri :/ */
		1949	next_pri = req->pri; /* restore next_pri */
		1950	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1951	req->type = EIO_WD_CLOSE;
		1952	req->wd = wd;
		1953	REQ_SEND;
		1954	}
		1955	#else
		1956	eio_wd_close_sync (wd);
		1957	#endif
		1958	}
		1959
1714	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1960	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715		1961
1716	void	1962	void
1717	cancel (aio_req_ornot req)	1963	cancel (aio_req_ornot req)
1718	CODE:	1964	CODE:
1719	eio_cancel (req);	1965	eio_cancel (req);
1720		1966
1721	void	1967	void
1722	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1968	cb (aio_req_ornot req, SV *callback = NO_INIT)
1723	PPCODE:	1969	PPCODE:
1724	{	1970	{
1725	if (GIMME_V != G_VOID)	1971	if (GIMME_V != G_VOID)
1726	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1972	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727		1973
1728	if (items > 1)	1974	if (items > 1)
1729	{	1975	{
1730	SV *cb_cv =get_cb (callback);	1976	SV *cb_cv = get_cb (callback);
1731		1977
1732	SvREFCNT_dec (req->callback);	1978	SvREFCNT_dec (req->callback);
1733	req->callback = SvREFCNT_inc (cb_cv);	1979	req->callback = SvREFCNT_inc (cb_cv);
1734	}	1980	}
1735	}	1981	}
…		…
1792	limit (aio_req grp, int limit)	2038	limit (aio_req grp, int limit)
1793	CODE:	2039	CODE:
1794	eio_grp_limit (grp, limit);	2040	eio_grp_limit (grp, limit);
1795		2041
1796	void	2042	void
1797	feed (aio_req grp, SV *callback=&PL_sv_undef)	2043	feed (aio_req grp, SV *callback = &PL_sv_undef)
1798	CODE:	2044	CODE:
1799	{	2045	{
1800	SvREFCNT_dec (grp->sv2);	2046	SvREFCNT_dec (grp->sv2);
1801	grp->sv2 = newSVsv (callback);	2047	grp->sv2 = newSVsv (callback);
1802	grp->feed = aio_grp_feed;	2048	grp->feed = aio_grp_feed;

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