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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 1.244 by root, Tue May 30 22:45:52 2017 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. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
		36	#endif
		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
27	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	44	#undef opendir
31	#undef closedir	45	#undef closedir
32		46
33	#ifdef _WIN32	47	#ifdef _WIN32
34		48
35	#define EIO_STRUCT_DIRENT Direntry_t	49	// perl overrides all those nice libc functions
		50
36	#undef malloc	51	#undef malloc
37	#undef free	52	#undef free
38
39	// perl overrides all those nice libc functions
40	#undef open	53	#undef open
41	#undef read	54	#undef read
42	#undef write	55	#undef write
43	#undef send	56	#undef send
44	#undef recv	57	#undef recv
…		…
63	#undef dup	76	#undef dup
64	#undef dup2	77	#undef dup2
65	#undef abort	78	#undef abort
66	#undef pipe	79	#undef pipe
67		80
		81	#define EIO_STRUCT_STAT struct _stati64
		82	#define EIO_STRUCT_STATI64
		83
68	#else	84	#else
69		85
70	#include <sys/time.h>	86	#include <sys/time.h>
71	#include <sys/select.h>	87	#include <sys/select.h>
72	#include <unistd.h>	88	#include <unistd.h>
73	#include <utime.h>	89	#include <utime.h>
74	#include <signal.h>	90	#include <signal.h>
75		91
76	#endif
77
78	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
79		93
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	94	#endif
90		95
91	/*****************************************************************************/	96	/*****************************************************************************/
92		97
93	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
103		108
104	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
107		112
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109		114
110	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
111	SV *callback; \	116	SV *callback; \
112	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
113	STRLEN stroffset; \	119	STRLEN stroffset; \
114	SV *self;	120	SV *self;
115		121
116	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
117		123
…		…
123	static void req_destroy (eio_req *grp);	129	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	130	#define EIO_DESTROY(req) req_destroy (req)
125		131
126	#include "libeio/eio.c"	132	#include "libeio/eio.c"
127		133
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	134	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	136	#endif
196		137
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	138	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# 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	140	#endif
291		141
292	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	143	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
295	# else	145	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	147	# endif
298	#endif	148	#endif
299	#ifndef MAP_HUGETLB	149
300	# define MAP_HUGETLB 0	150	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	151	/* also provides const_iv_ and const_niv_ macros for them */
302	#ifndef MAP_LOCKED	152	#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		153
315	#ifndef makedev	154	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	155	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	156	#endif
318	#ifndef major	157	#ifndef major
…		…
320	#endif	159	#endif
321	#ifndef minor	160	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	161	# define minor(dev) ((dev) & 0xff)
323	#endif	162	#endif
324		163
325	#ifndef PAGESIZE	164	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	166	#endif
		167
		168	/*****************************************************************************/
		169
		170	static void
		171	fiemap (eio_req *req)
		172	{
		173	req->result = -1;
		174
		175	#if HAVE_FIEMAP
		176	/* assume some c99 */
		177	struct fiemap *fiemap = 0;
		178	size_t end_offset;
		179	int count = req->int3;
		180
		181	req->flags |= EIO_FLAG_PTR1_FREE;
		182
		183	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		184	/* increase in 3.5kb steps */
		185	if (count < 0)
		186	count = 8;
		187
		188	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194
		195	fiemap->fm_start = req->offs;
		196	fiemap->fm_length = req->size;
		197	fiemap->fm_flags = req->int2;
		198	fiemap->fm_extent_count = count;
		199
		200	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		201	return;
		202
		203	if (req->int3 >= 0 /* not autosizing */
		204	|| !fiemap->fm_mapped_extents /* no more extents */
		205	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		206	goto done;
		207
		208	/* else we have to loop -
		209	* it would be tempting (actually I tried that first) to just query the
		210	* number of extents needed, but linux often feels like not returning all
		211	* extents, without telling us it left any out. this complicates
		212	* this quite a bit.
		213	*/
		214
		215	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		216
		217	for (;;)
		218	{
		219	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		220	char scratch[3072];
		221	struct fiemap *incmap = (struct fiemap *)scratch;
		222
		223	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		224	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		225	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		226	incmap->fm_flags = fiemap->fm_flags;
		227	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		228
		229	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		230	return;
		231
		232	if (!incmap->fm_mapped_extents)
		233	goto done;
		234
		235	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		236	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		237	errno = ENOMEM;
		238	if (!fiemap)
		239	return;
		240
		241	req->ptr1 = fiemap;
		242
		243	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		244	{
		245	struct fiemap_extent *e = incmap->fm_extents + count;
		246
		247	if (e->fe_logical + e->fe_length >= end_offset)
		248	goto done;
		249
		250	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		251
		252	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		253	goto done;
		254
		255	}
		256	}
		257
		258	done:
		259	req->result = 0;
		260
		261	#else
		262	errno = ENOSYS;
		263	#endif
		264	}
		265
		266	/*****************************************************************************/
328		267
329	enum {	268	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	270	};
332		271
333	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
335		275
336	static SV *on_next_submit;	276	static SV *on_next_submit;
337	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
338	static int max_outstanding;	278	static int max_outstanding;
339		279
340	static s_epipe respipe;	280	static s_epipe respipe;
341		281
342	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
343	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
344		284
345	static void want_poll (void)	285	static void
		286	want_poll (void)
346	{	287	{
347	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
348	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
349	}	290	}
350		291
351	static void done_poll (void)	292	static void
		293	done_poll (void)
352	{	294	{
353	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
354	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
355	}	297	}
356		298
357	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
358	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
359	{	302	{
360	if (!req->self)	303	if (!req->self)
361	{	304	{
362	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
363	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364	}	307	}
365		308
366	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367	}	310	}
368		311
369	static aio_req SvAIO_REQ (SV *sv)	312	static SV *
		313	newSVaio_wd (aio_wd wd)
		314	{
		315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		316	}
		317
		318	static aio_req
		319	SvAIO_REQ (SV *sv)
370	{	320	{
371	MAGIC *mg;	321	MAGIC *mg;
372		322
373	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
375	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
376	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
377	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
378		329
379	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380		331
381	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
382	}	333	}
383		334
		335	static aio_wd
		336	SvAIO_WD (SV *sv)
		337	{
		338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		342
		343	return (aio_wd)(long)SvIVX (SvRV (sv));
		344	}
		345
		346	static SV *
		347	newmortalFH (int fd, int flags)
		348	{
		349	if (fd < 0)
		350	return &PL_sv_undef;
		351
		352	GV *gv = (GV *)sv_newmortal ();
		353	char sym[64];
		354	int symlen;
		355
		356	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		357	gv_init (gv, aio_stash, sym, symlen, 0);
		358
		359	symlen = snprintf (
		360	sym,
		361	sizeof (sym),
		362	"%s&=%d",
		363	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		364	fd
		365	);
		366
		367	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		368	? (SV *)gv : &PL_sv_undef;
		369	}
		370
		371	static void
384	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
385	{	373	{
386	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
387	{	375	{
388	dSP;	376	dSP;
389		377
…		…
397	FREETMPS;	385	FREETMPS;
398	LEAVE;	386	LEAVE;
399	}	387	}
400	}	388	}
401		389
		390	static void
402	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
403	{	392	{
404	eio_submit (req);	393	eio_submit (req);
405		394
406	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
407	{	396	{
…		…
414	PUTBACK;	403	PUTBACK;
415	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
416	}	405	}
417	}	406	}
418		407
		408	static int
419	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
420	{	410	{
421	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
422	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
423		413
424	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
445	SvREADONLY_on (sv_result);	435	SvREADONLY_on (sv_result);
446	}	436	}
447		437
448	switch (req->type)	438	switch (req->type)
449	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
450	case EIO_READDIR:	444	case EIO_READDIR:
451	{	445	{
452	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
453		447
454	if (req->result >= 0)	448	if (req->result >= 0)
…		…
507	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
508	}	502	}
509	break;	503	break;
510		504
511	case EIO_OPEN:	505	case EIO_OPEN:
512	{	506	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;	507	break;
541		508
542	case EIO_STATVFS:	509	case EIO_STATVFS:
543	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
544	{	511	{
…		…
547	#ifndef _WIN32	514	#ifndef _WIN32
548	if (req->result >= 0)	515	if (req->result >= 0)
549	{	516	{
550	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
552		524
553	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
554		526
555	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
556	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
558	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
559	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
560	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
561	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
562	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
563	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
565	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
566	}	538	}
567	#endif	539	#endif
568		540
…		…
596	break;	568	break;
597		569
598	case EIO_STAT:	570	case EIO_STAT:
599	case EIO_LSTAT:	571	case EIO_LSTAT:
600	case EIO_FSTAT:	572	case EIO_FSTAT:
601	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
602	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
603	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
604	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
605	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
606	break;	584	break;
607		585
608	case EIO_READ:	586	case EIO_READ:
609	{	587	{
610	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
613	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
614	PUSHs (sv_result);	592	PUSHs (sv_result);
615	}	593	}
616	break;	594	break;
617		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
618	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619	if (req->result > 0)	637	if (req->result > 0)
620	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
621	/* FALLTHROUGH */	639	/* FALLTHROUGH */
622		640
…		…
643	}	661	}
644		662
645	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
646	}	664	}
647		665
		666	static void
648	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
649	{	668	{
650	if (req->self)	669	if (req->self)
651	{	670	{
652	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
653	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
654	}	673	}
655		674
656	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
657	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
658	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
659		680
660	Safefree (req);	681	free (req);
661	}	682	}
662		683
		684	static void
663	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
664	{	686	{
665	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
666	return;	688	return;
667		689
668	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
669	grp->sv2 = 0;	691	grp->sv2 = 0;
670		692
671	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
672	}	694	}
673		695
		696	static void ecb_cold
674	static void create_respipe (void)	697	create_respipe (void)
675	{	698	{
676	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
677	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
678	}	701	}
679		702
680	static void poll_wait (void)	703	static void
		704	poll_wait (void)
681	{	705	{
682	while (eio_nreqs ())	706	while (eio_nreqs ())
683	{	707	{
684	int size;	708	int size;
685		709
686	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
687	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
688	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
689		713
690	if (size)	714	if (size)
691	return;	715	return;
692		716
693	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
694		718
695	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
696	}	720	}
697	}	721	}
698		722
699	static int poll_cb (void)	723	static int
		724	poll_cb (void)
700	{	725	{
701	for (;;)	726	for (;;)
702	{	727	{
703	int res = eio_poll ();	728	int res = eio_poll ();
704		729
…		…
710		735
711	poll_wait ();	736	poll_wait ();
712	}	737	}
713	}	738	}
714		739
715	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
716	{	742	{
717	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
718	}	747	}
719		748
720	/*****************************************************************************/	749	/*****************************************************************************/
721		750
722	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
723	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
724	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
725	#endif	754	#endif
726		755
727	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
728	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# 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	758	#endif
735		759
736	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
737		761
		762	static int ecb_cold
738	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
739	{	764	{
740	int old_errno = errno;	765	int old_errno = errno;
741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742	errno = old_errno;	767	errno = old_errno;
743		768
…		…
759	0, 0, 0, 0, mmap_free	784	0, 0, 0, 0, mmap_free
760	};	785	};
761		786
762	/*****************************************************************************/	787	/*****************************************************************************/
763		788
		789	static SV *
764	static SV * get_cb (SV *cb_sv)	790	get_cb (SV *cb_sv)
765	{	791	{
766	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768	}	794	}
769		795
		796	static aio_req ecb_noinline
		797	dreq (SV *callback)
		798	{
		799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
		803
		804	cb_cv = get_cb (callback);
		805
		806	req = calloc (sizeof (*req), 1);
		807	if (!req)
		808	croak ("out of memory during eio_req allocation");
		809
		810	req->callback = SvREFCNT_inc (cb_cv);
		811	req->pri = req_pri;
		812
		813	return req;
		814	}
		815
770	#define dREQ \	816	#define dREQ \
771	SV *cb_cv; \	817	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		818
785	#define REQ_SEND \	819	#define REQ_SEND \
786	PUTBACK; \	820	PUTBACK; \
787	req_submit (req); \	821	req_submit (req); \
788	SPAGAIN; \	822	SPAGAIN; \
789	\	823	\
790	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
791	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
792		826
		827	ecb_inline void
		828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		829	{
		830	if (expect_false (SvROK (path)))
		831	{
		832	SV *rv = SvRV (path);
		833	SV *wdob;
		834
		835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
		839
		840	if (SvOK (wdob))
		841	{
		842	*wd = SvAIO_WD (wdob);
		843	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		844	}
		845	else
		846	*wd = EIO_INVALID_WD;
		847	}
		848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		849	{
		850	*wd = (aio_wd)(long)SvIVX (rv);
		851	*wdsv = SvREFCNT_inc_NN (rv);
		852	*ptr = ".";
		853	return; /* path set to "." */
		854	}
		855	else
		856	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		857	}
		858
		859	*pathsv = newSVsv (path);
		860	*ptr = SvPVbyte_nolen (*pathsv);
		861	}
		862
		863	static void ecb_noinline
		864	req_set_path1 (aio_req req, SV *path)
		865	{
		866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		867	}
		868
		869	static void ecb_noinline
		870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		871	{
		872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		873
		874	switch (SvTYPE (rv))
		875	{
		876	case SVt_PVIO:
		877	case SVt_PVLV:
		878	case SVt_PVGV:
		879	req->type = type_fh;
		880	req->sv1 = newSVsv (fh_or_path);
		881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		882	break;
		883
		884	default:
		885	req->type = type_path;
		886	req_set_path1 (req, fh_or_path);
		887	break;
		888	}
		889	}
		890
		891	XS(boot_IO__AIO) ecb_cold;
		892
793	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
794		894
795	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
796		896
797	BOOT:	897	BOOT:
…		…
801	IV iv;	901	IV iv;
802	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
803	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
804	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
805	# define const_eio(name) { # name, (IV) EIO_ ## name },	905	# define const_eio(name) { # name, (IV) EIO_ ## name },
		906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
		909	const_iv (ENOSYS)
806	const_iv (EXDEV)	910	const_iv (EXDEV)
807	const_iv (ENOSYS)	911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929	const_niv (MADV_FREE , POSIX_MADV_FREE)
		930
		931	/* the second block will be 0 when missing */
808	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
809	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
810	const_iv (O_RDWR)	934	const_iv (O_RDWR)
811	const_iv (O_CREAT)	935	const_iv (O_CREAT)
812	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
…		…
825	const_iv (O_SEARCH)	949	const_iv (O_SEARCH)
826	const_iv (O_DIRECTORY)	950	const_iv (O_DIRECTORY)
827	const_iv (O_DSYNC)	951	const_iv (O_DSYNC)
828	const_iv (O_RSYNC)	952	const_iv (O_RSYNC)
829	const_iv (O_SYNC)	953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
830	const_iv (O_TTY_INIT)	956	const_iv (O_TTY_INIT)
831		957
832	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
833	const_iv (S_IFCHR)	959	const_iv (S_IFCHR)
834	const_iv (S_IFBLK)	960	const_iv (S_IFBLK)
…		…
836	const_iv (S_IFREG)	962	const_iv (S_IFREG)
837	const_iv (S_IFDIR)	963	const_iv (S_IFDIR)
838	const_iv (S_IFWHT)	964	const_iv (S_IFWHT)
839	const_iv (S_IFSOCK)	965	const_iv (S_IFSOCK)
840	const_iv (S_IFMT)	966	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		967
855	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
856	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
857	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
858	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
868	const_iv (PROT_NONE)	981	const_iv (PROT_NONE)
869	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
870	const_iv (PROT_READ)	983	const_iv (PROT_READ)
871	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
872		985
873	/*const_iv (MAP_FIXED)*/
874	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
875	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
876	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
877		990
878	/* linuxish */	991	/* linuxish */
879	const_iv (MAP_HUGETLB)
880	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
881	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
882	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
883	const_iv (MAP_NONBLOCK)	995	const_iv (MAP_NONBLOCK)
		996	const_iv (MAP_GROWSDOWN)
		997	const_iv (MAP_32BIT)
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_STACK)
		1000
		1001	const_iv (FIFREEZE)
		1002	const_iv (FITHAW)
		1003	const_iv (FITRIM)
		1004	const_iv (FICLONE)
		1005	const_iv (FICLONERANGE)
		1006	const_iv (FIDEDUPERANGE)
		1007
		1008	const_iv (FS_IOC_GETFLAGS)
		1009	const_iv (FS_IOC_SETFLAGS)
		1010	const_iv (FS_IOC_GETVERSION)
		1011	const_iv (FS_IOC_SETVERSION)
		1012	const_iv (FS_IOC_FIEMAP)
		1013	const_iv (FS_IOC_FSGETXATTR)
		1014	const_iv (FS_IOC_FSSETXATTR)
		1015	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1016	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1017	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1018
		1019	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1020
		1021	const_iv (FS_SECRM_FL)
		1022	const_iv (FS_UNRM_FL)
		1023	const_iv (FS_COMPR_FL)
		1024	const_iv (FS_SYNC_FL)
		1025	const_iv (FS_IMMUTABLE_FL)
		1026	const_iv (FS_APPEND_FL)
		1027	const_iv (FS_NODUMP_FL)
		1028	const_iv (FS_NOATIME_FL)
		1029	const_iv (FS_DIRTY_FL)
		1030	const_iv (FS_COMPRBLK_FL)
		1031	const_iv (FS_NOCOMP_FL)
		1032	const_iv (FS_ENCRYPT_FL)
		1033	const_iv (FS_BTREE_FL)
		1034	const_iv (FS_INDEX_FL)
		1035	const_iv (FS_JOURNAL_DATA_FL)
		1036	const_iv (FS_NOTAIL_FL)
		1037	const_iv (FS_DIRSYNC_FL)
		1038	const_iv (FS_TOPDIR_FL)
		1039	const_iv (FS_FL_USER_MODIFIABLE)
		1040
		1041	const_iv (FS_XFLAG_REALTIME)
		1042	const_iv (FS_XFLAG_PREALLOC)
		1043	const_iv (FS_XFLAG_IMMUTABLE)
		1044	const_iv (FS_XFLAG_APPEND)
		1045	const_iv (FS_XFLAG_SYNC)
		1046	const_iv (FS_XFLAG_NOATIME)
		1047	const_iv (FS_XFLAG_NODUMP)
		1048	const_iv (FS_XFLAG_RTINHERIT)
		1049	const_iv (FS_XFLAG_PROJINHERIT)
		1050	const_iv (FS_XFLAG_NOSYMLINKS)
		1051	const_iv (FS_XFLAG_EXTSIZE)
		1052	const_iv (FS_XFLAG_EXTSZINHERIT)
		1053	const_iv (FS_XFLAG_NODEFRAG)
		1054	const_iv (FS_XFLAG_FILESTREAM)
		1055	const_iv (FS_XFLAG_DAX)
		1056	const_iv (FS_XFLAG_HASATTR)
		1057
		1058	const_iv (FIEMAP_FLAG_SYNC)
		1059	const_iv (FIEMAP_FLAG_XATTR)
		1060	const_iv (FIEMAP_FLAGS_COMPAT)
		1061	const_iv (FIEMAP_EXTENT_LAST)
		1062	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1063	const_iv (FIEMAP_EXTENT_DELALLOC)
		1064	const_iv (FIEMAP_EXTENT_ENCODED)
		1065	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1066	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1067	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1068	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1069	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1070	const_iv (FIEMAP_EXTENT_MERGED)
		1071	const_iv (FIEMAP_EXTENT_SHARED)
		1072
		1073	const_iv (SPLICE_F_MOVE)
		1074	const_iv (SPLICE_F_NONBLOCK)
		1075	const_iv (SPLICE_F_MORE)
		1076	const_iv (SPLICE_F_GIFT)
		1077
		1078	/* these are libeio constants, and are independent of gendef0 */
		1079	const_eio (SEEK_SET)
		1080	const_eio (SEEK_CUR)
		1081	const_eio (SEEK_END)
884		1082
885	const_eio (MCL_FUTURE)	1083	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1084	const_eio (MCL_CURRENT)
887		1085
888	const_eio (MS_ASYNC)	1086	const_eio (MS_ASYNC)
…		…
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1092	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1093	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1094	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897		1095
898	const_eio (FALLOC_FL_KEEP_SIZE)	1096	const_eio (FALLOC_FL_KEEP_SIZE)
		1097	const_eio (FALLOC_FL_PUNCH_HOLE)
		1098	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1099	const_eio (FALLOC_FL_ZERO_RANGE)
899		1100
900	const_eio (READDIR_DENTS)	1101	const_eio (READDIR_DENTS)
901	const_eio (READDIR_DIRS_FIRST)	1102	const_eio (READDIR_DIRS_FIRST)
902	const_eio (READDIR_STAT_ORDER)	1103	const_eio (READDIR_STAT_ORDER)
903	const_eio (READDIR_FOUND_UNKNOWN)	1104	const_eio (READDIR_FOUND_UNKNOWN)
…		…
914	};	1115	};
915		1116
916	aio_stash = gv_stashpv ("IO::AIO" , 1);	1117	aio_stash = gv_stashpv ("IO::AIO" , 1);
917	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1118	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1119	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1120	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919		1121
920	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1122	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));	1123	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922		1124
923	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1125	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924		1126
925	create_respipe ();	1127	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	}	1128	}
		1129
		1130	void
		1131	reinit ()
		1132	PROTOTYPE:
933		1133
934	void	1134	void
935	max_poll_reqs (unsigned int nreqs)	1135	max_poll_reqs (unsigned int nreqs)
936	PROTOTYPE: $	1136	PROTOTYPE: $
937	CODE:	1137	CODE:
…		…
972	PROTOTYPE: $	1172	PROTOTYPE: $
973	CODE:	1173	CODE:
974	max_outstanding = maxreqs;	1174	max_outstanding = maxreqs;
975		1175
976	void	1176	void
977	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1177	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978	PPCODE:	1178	PPCODE:
979	{	1179	{
980	dREQ;	1180	dREQ;
981		1181
		1182	req->type = EIO_WD_OPEN;
		1183	req_set_path1 (req, pathname);
		1184
		1185	REQ_SEND;
		1186	}
		1187
		1188	void
		1189	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1190	PPCODE:
		1191	{
		1192	dREQ;
		1193
982	req->type = EIO_OPEN;	1194	req->type = EIO_OPEN;
983	req->sv1 = newSVsv (pathname);	1195	req_set_path1 (req, pathname);
984	req->ptr1 = SvPVbyte_nolen (req->sv1);
985	req->int1 = flags;	1196	req->int1 = flags;
986	req->int2 = mode;	1197	req->int2 = mode;
987		1198
988	REQ_SEND;	1199	REQ_SEND;
989	}	1200	}
990		1201
991	void	1202	void
992	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1203	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993	ALIAS:	1204	ALIAS:
994	aio_fsync = EIO_FSYNC	1205	aio_fsync = EIO_FSYNC
995	aio_fdatasync = EIO_FDATASYNC	1206	aio_fdatasync = EIO_FDATASYNC
		1207	aio_syncfs = EIO_SYNCFS
996	PPCODE:	1208	PPCODE:
997	{	1209	{
998	int fd = s_fileno_croak (fh, 0);	1210	int fd = s_fileno_croak (fh, 0);
999	dREQ;	1211	dREQ;
1000		1212
1001	req->type = ix;	1213	req->type = ix;
1002	req->sv1 = newSVsv (fh);	1214	req->sv1 = newSVsv (fh);
1003	req->int1 = fd;	1215	req->int1 = fd;
1004		1216
1005	REQ_SEND (req);	1217	REQ_SEND;
1006	}	1218	}
1007		1219
1008	void	1220	void
1009	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1221	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1010	PPCODE:	1222	PPCODE:
1011	{	1223	{
1012	int fd = s_fileno_croak (fh, 0);	1224	int fd = s_fileno_croak (fh, 0);
1013	dREQ;	1225	dREQ;
1014		1226
1015	req->type = EIO_SYNC_FILE_RANGE;	1227	req->type = EIO_SYNC_FILE_RANGE;
1016	req->sv1 = newSVsv (fh);	1228	req->sv1 = newSVsv (fh);
1017	req->int1 = fd;	1229	req->int1 = fd;
1018	req->offs = offset;	1230	req->offs = offset;
1019	req->size = nbytes;	1231	req->size = nbytes;
1020	req->int2 = flags;	1232	req->int2 = flags;
1021		1233
1022	REQ_SEND (req);	1234	REQ_SEND;
1023	}	1235	}
1024		1236
1025	void	1237	void
1026	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1238	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027	PPCODE:	1239	PPCODE:
1028	{	1240	{
1029	int fd = s_fileno_croak (fh, 0);	1241	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1242	dREQ;
1031		1243
1032	req->type = EIO_FALLOCATE;	1244	req->type = EIO_FALLOCATE;
1033	req->sv1 = newSVsv (fh);	1245	req->sv1 = newSVsv (fh);
1034	req->int1 = fd;	1246	req->int1 = fd;
1035	req->int2 = mode;	1247	req->int2 = mode;
1036	req->offs = offset;	1248	req->offs = offset;
1037	req->size = len;	1249	req->size = len;
1038		1250
1039	REQ_SEND (req);	1251	REQ_SEND;
1040	}	1252	}
1041		1253
1042	void	1254	void
1043	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1255	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044	PPCODE:	1256	PPCODE:
1045	{	1257	{
1046	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1258	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047	int fd = s_fileno_croak (fh, 0);	1259	int fd = s_fileno_croak (fh, 0);
1048	dREQ;	1260	dREQ;
1049		1261
1050	if (expect_false (close_fd < 0))	1262	if (expect_false (close_fd < 0))
1051	{	1263	{
1052	int pipefd [2];	1264	int pipefd [2];
…		…
1068	req->type = EIO_DUP2;	1280	req->type = EIO_DUP2;
1069	req->int1 = close_fd;	1281	req->int1 = close_fd;
1070	req->sv2 = newSVsv (fh);	1282	req->sv2 = newSVsv (fh);
1071	req->int2 = fd;	1283	req->int2 = fd;
1072		1284
1073	REQ_SEND (req);	1285	REQ_SEND;
1074	}	1286	}
1075		1287
1076	void	1288	void
		1289	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1290	PPCODE:
		1291	{
		1292	int fd = s_fileno_croak (fh, 0);
		1293	dREQ;
		1294
		1295	req->type = EIO_SEEK;
		1296	req->sv1 = newSVsv (fh);
		1297	req->int1 = fd;
		1298	req->offs = SvVAL64 (offset);
		1299	req->int2 = whence;
		1300
		1301	REQ_SEND;
		1302	}
		1303
		1304	void
1077	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1305	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1078	ALIAS:	1306	ALIAS:
1079	aio_read = EIO_READ	1307	aio_read = EIO_READ
1080	aio_write = EIO_WRITE	1308	aio_write = EIO_WRITE
1081	PPCODE:	1309	PPCODE:
1082	{	1310	{
…		…
1098	len = svlen - dataoffset;	1326	len = svlen - dataoffset;
1099	}	1327	}
1100	else	1328	else
1101	{	1329	{
1102	/* read: check type and grow scalar as necessary */	1330	/* read: check type and grow scalar as necessary */
1103	SvUPGRADE (data, SVt_PV);	1331	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104	svptr = SvGROW (data, len + dataoffset + 1);	1332	svptr = sv_grow (data, len + dataoffset + 1);
		1333	else if (SvCUR (data) < len + dataoffset)
		1334	croak ("length + dataoffset outside of scalar, and cannot grow");
1105	}	1335	}
1106		1336
1107	{	1337	{
1108	dREQ;	1338	dREQ;
1109		1339
…		…
1125	REQ_SEND;	1355	REQ_SEND;
1126	}	1356	}
1127	}	1357	}
1128		1358
1129	void	1359	void
		1360	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1361	ALIAS:
		1362	aio_ioctl = EIO_IOCTL
		1363	aio_fcntl = EIO_FCNTL
		1364	PPCODE:
		1365	{
		1366	int fd = s_fileno_croak (fh, 0);
		1367	char *svptr;
		1368
		1369	if (SvPOK (arg) || !SvNIOK (arg))
		1370	{
		1371	STRLEN svlen;
		1372	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1373	#ifdef IOCPARM_LEN
		1374	STRLEN need = IOCPARM_LEN (request);
		1375	#else
		1376	STRLEN need = 256;
		1377	#endif
		1378
		1379	if (svlen < need)
		1380	svptr = SvGROW (arg, need);
		1381	}
		1382	else
		1383	svptr = (char *)SvIV (arg);
		1384
		1385	{
		1386	dREQ;
		1387
		1388	req->type = ix;
		1389	req->sv1 = newSVsv (fh);
		1390	req->int1 = fd;
		1391	req->int2 = (long)request;
		1392	req->sv2 = SvREFCNT_inc (arg);
		1393	req->ptr2 = svptr;
		1394
		1395	REQ_SEND;
		1396	}
		1397	}
		1398
		1399	void
1130	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1400	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131	ALIAS:	1401	ALIAS:
1132	aio_readlink = EIO_READLINK	1402	aio_readlink = EIO_READLINK
1133	aio_realpath = EIO_REALPATH	1403	aio_realpath = EIO_REALPATH
1134	PPCODE:	1404	PPCODE:
1135	{	1405	{
1136	dREQ;	1406	dREQ;
1137		1407
1138	req->type = ix;	1408	req->type = ix;
1139	req->sv1 = newSVsv (path);	1409	req_set_path1 (req, pathname);
1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
1141		1410
1142	REQ_SEND;	1411	REQ_SEND;
1143	}	1412	}
1144		1413
1145	void	1414	void
1146	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1415	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147	PPCODE:	1416	PPCODE:
1148	{	1417	{
1149	int ifd = s_fileno_croak (in_fh , 0);	1418	int ifd = s_fileno_croak (in_fh , 0);
1150	int ofd = s_fileno_croak (out_fh, 1);	1419	int ofd = s_fileno_croak (out_fh, 1);
1151	dREQ;	1420	dREQ;
1152		1421
1153	req->type = EIO_SENDFILE;	1422	req->type = EIO_SENDFILE;
1154	req->sv1 = newSVsv (out_fh);	1423	req->sv1 = newSVsv (out_fh);
1155	req->int1 = ofd;	1424	req->int1 = ofd;
…		…
1160		1429
1161	REQ_SEND;	1430	REQ_SEND;
1162	}	1431	}
1163		1432
1164	void	1433	void
1165	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1434	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166	PPCODE:	1435	PPCODE:
1167	{	1436	{
1168	int fd = s_fileno_croak (fh, 0);	1437	int fd = s_fileno_croak (fh, 0);
1169	dREQ;	1438	dREQ;
1170		1439
1171	req->type = EIO_READAHEAD;	1440	req->type = EIO_READAHEAD;
1172	req->sv1 = newSVsv (fh);	1441	req->sv1 = newSVsv (fh);
1173	req->int1 = fd;	1442	req->int1 = fd;
…		…
1176		1445
1177	REQ_SEND;	1446	REQ_SEND;
1178	}	1447	}
1179		1448
1180	void	1449	void
1181	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1450	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182	ALIAS:	1451	ALIAS:
1183	aio_stat = EIO_STAT	1452	aio_stat = EIO_STAT
1184	aio_lstat = EIO_LSTAT	1453	aio_lstat = EIO_LSTAT
1185	aio_statvfs = EIO_STATVFS	1454	aio_statvfs = EIO_STATVFS
1186	PPCODE:	1455	PPCODE:
1187	{	1456	{
1188	dREQ;	1457	dREQ;
1189		1458
1190	req->sv1 = newSVsv (fh_or_path);	1459	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		1460
1203	REQ_SEND;	1461	REQ_SEND;
1204	}	1462	}
1205		1463
1206	UV	1464	UV
1207	major (UV dev)	1465	major (UV dev)
1208	ALIAS:	1466	ALIAS:
1209	minor = 1	1467	minor = 1
1210	CODE:	1468	CODE:
1211	RETVAL = ix ? major (dev) : minor (dev);	1469	RETVAL = ix ? minor (dev) : major (dev);
1212	OUTPUT:	1470	OUTPUT:
1213	RETVAL	1471	RETVAL
1214		1472
1215	UV	1473	UV
1216	makedev (UV maj, UV min)	1474	makedev (UV maj, UV min)
…		…
1218	RETVAL = makedev (maj, min);	1476	RETVAL = makedev (maj, min);
1219	OUTPUT:	1477	OUTPUT:
1220	RETVAL	1478	RETVAL
1221		1479
1222	void	1480	void
1223	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1481	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224	PPCODE:	1482	PPCODE:
1225	{	1483	{
1226	dREQ;	1484	dREQ;
1227		1485
1228	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1486	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1487	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230	req->sv1 = newSVsv (fh_or_path);	1488	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		1489
1243	REQ_SEND;	1490	REQ_SEND;
1244	}	1491	}
1245		1492
1246	void	1493	void
1247	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1494	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248	PPCODE:	1495	PPCODE:
1249	{	1496	{
1250	dREQ;	1497	dREQ;
1251		1498
1252	req->sv1 = newSVsv (fh_or_path);
1253	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1499	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254		1500	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		1501
1266	REQ_SEND;	1502	REQ_SEND;
1267	}	1503	}
1268		1504
1269	void	1505	void
1270	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1506	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:	1507	PPCODE:
1275	{	1508	{
1276	dREQ;	1509	dREQ;
1277		1510
1278	req->int2 = mode;	1511	req->int2 = mode;
1279	req->sv1 = newSVsv (fh_or_path);	1512	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		1513
1292	REQ_SEND;	1514	REQ_SEND;
1293	}	1515	}
1294		1516
1295	void	1517	void
1296	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1518	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297	PPCODE:	1519	PPCODE:
1298	{	1520	{
1299	dREQ;	1521	dREQ;
1300		1522
1301	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1523	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1524	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303	req->sv1 = newSVsv (fh_or_path);	1525	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		1526
1316	REQ_SEND;	1527	REQ_SEND;
1317	}	1528	}
1318		1529
1319	void	1530	void
1320	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1531	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321	PPCODE:	1532	PPCODE:
1322	{	1533	{
1323	dREQ;	1534	dREQ;
1324		1535
1325	req->type = EIO_READDIR;	1536	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;	1537	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329		1538
1330	if (flags & EIO_READDIR_DENTS)	1539	if (flags & EIO_READDIR_DENTS)
1331	req->int1 |= EIO_READDIR_CUSTOM2;	1540	req->int1 |= EIO_READDIR_CUSTOM2;
1332		1541
		1542	req_set_path1 (req, pathname);
		1543
1333	REQ_SEND;	1544	REQ_SEND;
1334	}	1545	}
1335		1546
1336	void	1547	void
		1548	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1549	PPCODE:
		1550	{
		1551	dREQ;
		1552
		1553	req->type = EIO_MKDIR;
		1554	req->int2 = mode;
		1555	req_set_path1 (req, pathname);
		1556
		1557	REQ_SEND;
		1558	}
		1559
		1560	void
1337	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1561	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338	ALIAS:	1562	ALIAS:
1339	aio_unlink = EIO_UNLINK	1563	aio_unlink = EIO_UNLINK
1340	aio_rmdir = EIO_RMDIR	1564	aio_rmdir = EIO_RMDIR
1341	aio_readdir = EIO_READDIR	1565	aio_readdir = EIO_READDIR
1342	PPCODE:	1566	PPCODE:
1343	{	1567	{
1344	dREQ;	1568	dREQ;
1345		1569
1346	req->type = ix;	1570	req->type = ix;
1347	req->sv1 = newSVsv (pathname);	1571	req_set_path1 (req, pathname);
1348	req->ptr1 = SvPVbyte_nolen (req->sv1);
1349		1572
1350	REQ_SEND;	1573	REQ_SEND;
1351	}	1574	}
1352		1575
1353	void	1576	void
1354	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1577	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355	ALIAS:	1578	ALIAS:
1356	aio_link = EIO_LINK	1579	aio_link = EIO_LINK
1357	aio_symlink = EIO_SYMLINK	1580	aio_symlink = EIO_SYMLINK
1358	aio_rename = EIO_RENAME	1581	aio_rename = EIO_RENAME
1359	PPCODE:	1582	PPCODE:
1360	{	1583	{
		1584	eio_wd wd2 = 0;
1361	dREQ;	1585	dREQ;
1362		1586
1363	req->type = ix;	1587	req->type = ix;
1364	req->sv1 = newSVsv (oldpath);	1588	req_set_path1 (req, oldpath);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);	1589	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366	req->sv2 = newSVsv (newpath);	1590	req->int3 = (long)wd2;
1367	req->ptr2 = SvPVbyte_nolen (req->sv2);
1368		1591
1369	REQ_SEND;	1592	REQ_SEND;
1370	}	1593	}
1371		1594
1372	void	1595	void
1373	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1596	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374	PPCODE:	1597	PPCODE:
1375	{	1598	{
1376	dREQ;	1599	dREQ;
1377		1600
1378	req->type = EIO_MKNOD;	1601	req->type = EIO_MKNOD;
1379	req->sv1 = newSVsv (pathname);
1380	req->ptr1 = SvPVbyte_nolen (req->sv1);
1381	req->int2 = (mode_t)mode;	1602	req->int2 = (mode_t)mode;
1382	req->offs = dev;	1603	req->offs = dev;
		1604	req_set_path1 (req, pathname);
1383		1605
1384	REQ_SEND;	1606	REQ_SEND;
1385	}	1607	}
1386		1608
1387	void	1609	void
1388	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1610	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1389	ALIAS:	1611	ALIAS:
1390	aio_mtouch = EIO_MTOUCH	1612	aio_mtouch = EIO_MTOUCH
1391	aio_msync = EIO_MSYNC	1613	aio_msync = EIO_MSYNC
1392	PPCODE:	1614	PPCODE:
1393	{	1615	{
1394	STRLEN svlen;	1616	STRLEN svlen;
1395	char *svptr = SvPVbyte (data, svlen);	1617	char *svptr = SvPVbyte (data, svlen);
1396	UV len = SvUV (length);	1618	UV len = SvUV (length);
		1619
		1620	if (flags < 0)
		1621	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1397		1622
1398	if (offset < 0)	1623	if (offset < 0)
1399	offset += svlen;	1624	offset += svlen;
1400		1625
1401	if (offset < 0 || offset > svlen)	1626	if (offset < 0 || offset > svlen)
…		…
1416	REQ_SEND;	1641	REQ_SEND;
1417	}	1642	}
1418	}	1643	}
1419		1644
1420	void	1645	void
1421	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1646	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422	PPCODE:	1647	PPCODE:
1423	{	1648	{
1424	STRLEN svlen;	1649	STRLEN svlen;
1425	char *svptr = SvPVbyte (data, svlen);	1650	char *svptr = SvPVbyte (data, svlen);
1426	UV len = SvUV (length);	1651	UV len = SvUV (length);
…		…
1445	REQ_SEND;	1670	REQ_SEND;
1446	}	1671	}
1447	}	1672	}
1448		1673
1449	void	1674	void
1450	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1675	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451	PPCODE:	1676	PPCODE:
1452	{	1677	{
1453	dREQ;	1678	dREQ;
1454		1679
1455	req->type = EIO_MLOCKALL;	1680	req->type = EIO_MLOCKALL;
…		…
1457		1682
1458	REQ_SEND;	1683	REQ_SEND;
1459	}	1684	}
1460		1685
1461	void	1686	void
		1687	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1688	PPCODE:
		1689	{
		1690	int fd = s_fileno_croak (fh, 0);
		1691	dREQ;
		1692
		1693	req->type = EIO_CUSTOM;
		1694	req->sv1 = newSVsv (fh);
		1695	req->int1 = fd;
		1696
		1697	req->feed = fiemap;
		1698	#if HAVE_FIEMAP
		1699	/* keep our fingers crossed that the next two types are 64 bit */
		1700	req->offs = start;
		1701	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1702	req->int2 = flags;
		1703	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1704	#endif
		1705
		1706	REQ_SEND;
		1707	}
		1708
		1709	void
1462	aio_busy (double delay, SV *callback=&PL_sv_undef)	1710	aio_busy (double delay, SV *callback = &PL_sv_undef)
1463	PPCODE:	1711	PPCODE:
1464	{	1712	{
1465	dREQ;	1713	dREQ;
1466		1714
1467	req->type = EIO_BUSY;	1715	req->type = EIO_BUSY;
…		…
1469		1717
1470	REQ_SEND;	1718	REQ_SEND;
1471	}	1719	}
1472		1720
1473	void	1721	void
1474	aio_group (SV *callback=&PL_sv_undef)	1722	aio_group (SV *callback = &PL_sv_undef)
1475	PPCODE:	1723	PPCODE:
1476	{	1724	{
1477	dREQ;	1725	dREQ;
1478		1726
1479	req->type = EIO_GROUP;	1727	req->type = EIO_GROUP;
1480		1728
		1729	PUTBACK;
1481	req_submit (req);	1730	req_submit (req);
		1731	SPAGAIN;
		1732
1482	XPUSHs (req_sv (req, aio_grp_stash));	1733	XPUSHs (req_sv (req, aio_grp_stash));
1483	}	1734	}
1484		1735
1485	void	1736	void
1486	aio_nop (SV *callback=&PL_sv_undef)	1737	aio_nop (SV *callback = &PL_sv_undef)
1487	ALIAS:	1738	ALIAS:
1488	aio_nop = EIO_NOP	1739	aio_nop = EIO_NOP
1489	aio_sync = EIO_SYNC	1740	aio_sync = EIO_SYNC
1490	PPCODE:	1741	PPCODE:
1491	{	1742	{
…		…
1495		1746
1496	REQ_SEND;	1747	REQ_SEND;
1497	}	1748	}
1498		1749
1499	int	1750	int
1500	aioreq_pri (int pri = 0)	1751	aioreq_pri (int pri = NO_INIT)
1501	CODE:	1752	CODE:
1502	RETVAL = next_pri;	1753	RETVAL = next_pri;
1503	if (items > 0)	1754	if (items > 0)
1504	{	1755	{
1505	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1756	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1587	CODE:	1838	CODE:
1588	RETVAL = posix_fadvise (fh, offset, length, advice);	1839	RETVAL = posix_fadvise (fh, offset, length, advice);
1589	OUTPUT:	1840	OUTPUT:
1590	RETVAL	1841	RETVAL
1591		1842
1592	ssize_t	1843	IV
1593	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1844	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594	CODE:	1845	CODE:
1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1846	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596	OUTPUT:	1847	OUTPUT:
1597	RETVAL	1848	RETVAL
1598		1849
1599	void	1850	void
1600	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1851	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601	PPCODE:	1852	PPCODE:
1602	sv_unmagic (scalar, MMAP_MAGIC);	1853	sv_unmagic (scalar, MMAP_MAGIC);
1603	{	1854	{
1604	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1855	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1856	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1632	munmap (SV *scalar)	1883	munmap (SV *scalar)
1633	CODE:	1884	CODE:
1634	sv_unmagic (scalar, MMAP_MAGIC);	1885	sv_unmagic (scalar, MMAP_MAGIC);
1635		1886
1636	int	1887	int
1637	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1888	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638	ALIAS:	1889	ALIAS:
1639	mprotect = 1	1890	mprotect = 1
1640	CODE:	1891	CODE:
1641	{	1892	{
1642	STRLEN svlen;	1893	STRLEN svlen;
1643	void *addr = SvPVbyte (scalar, svlen);	1894	void *addr = SvPVbyte (scalar, svlen);
1644	size_t len = SvUV (length);	1895	STRLEN len = SvUV (length);
1645		1896
1646	if (offset < 0)	1897	if (offset < 0)
1647	offset += svlen;	1898	offset += svlen;
1648		1899
1649	if (offset < 0 || offset > svlen)	1900	if (offset < 0 || offset > svlen)
…		…
1663	}	1914	}
1664	OUTPUT:	1915	OUTPUT:
1665	RETVAL	1916	RETVAL
1666		1917
1667	int	1918	int
1668	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1919	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1669	CODE:	1920	CODE:
1670	{	1921	{
1671	STRLEN svlen;	1922	STRLEN svlen;
1672	void *addr = SvPVbyte (scalar, svlen);	1923	void *addr = SvPVbyte (scalar, svlen);
1673	size_t len = SvUV (length);	1924	size_t len = SvUV (length);
1674		1925
1675	if (offset < 0)	1926	if (offset < 0)
1676	offset += svlen;	1927	offset += svlen;
1677		1928
…		…
1684	addr = (void *)(((intptr_t)addr) + offset);	1935	addr = (void *)(((intptr_t)addr) + offset);
1685	eio_page_align (&addr, &len);	1936	eio_page_align (&addr, &len);
1686	#if _POSIX_MEMLOCK_RANGE	1937	#if _POSIX_MEMLOCK_RANGE
1687	RETVAL = munlock (addr, len);	1938	RETVAL = munlock (addr, len);
1688	#else	1939	#else
1689	RETVAL = ((errno = ENOSYS), -1);	1940	RETVAL = EIO_ENOSYS ();
1690	#endif	1941	#endif
1691	}	1942	}
1692	OUTPUT:	1943	OUTPUT:
1693	RETVAL	1944	RETVAL
1694		1945
…		…
1696	munlockall ()	1947	munlockall ()
1697	CODE:	1948	CODE:
1698	#if _POSIX_MEMLOCK	1949	#if _POSIX_MEMLOCK
1699	munlockall ();	1950	munlockall ();
1700	#else	1951	#else
1701	RETVAL = -1;	1952	RETVAL = EIO_ENOSYS ();
1702	errno = ENOSYS;
1703	#endif	1953	#endif
1704	OUTPUT:	1954	OUTPUT:
1705	RETVAL	1955	RETVAL
		1956
		1957	int
		1958	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1959	CODE:
		1960	{
		1961	#if HAVE_LINUX_SPLICE
		1962	loff_t off_in_, off_out_;
		1963	RETVAL = splice (
		1964	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1965	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1966	length, flags
		1967	);
		1968	#else
		1969	RETVAL = EIO_ENOSYS ();
		1970	#endif
		1971	}
		1972	OUTPUT:
		1973	RETVAL
		1974
		1975	int
		1976	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1977	CODE:
		1978	#if HAVE_LINUX_SPLICE
		1979	RETVAL = tee (rfh, wfh, length, flags);
		1980	#else
		1981	RETVAL = EIO_ENOSYS ();
		1982	#endif
		1983	OUTPUT:
		1984	RETVAL
		1985
		1986	int
		1987	pipesize (aio_rfd rfh, int new_size = -1)
		1988	PROTOTYPE: $;$
		1989	CODE:
		1990	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1991	if (new_size >= 0)
		1992	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1993	else
		1994	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1995	#else
		1996	errno = ENOSYS;
		1997	RETVAL = -1;
		1998	#endif
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	void
		2003	pipe2 (int flags = 0)
		2004	PROTOTYPE: ;$
		2005	PPCODE:
		2006	{
		2007	int fd[2];
		2008	int res;
		2009
		2010	if (flags)
		2011	#if HAVE_PIPE2
		2012	res = pipe2 (fd, flags);
		2013	#else
		2014	res = (errno = ENOSYS, -1);
		2015	#endif
		2016	else
		2017	res = pipe (fd);
		2018
		2019	if (!res)
		2020	{
		2021	EXTEND (SP, 2);
		2022	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2023	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2024	}
		2025	}
1706		2026
1707	void _on_next_submit (SV *cb)	2027	void _on_next_submit (SV *cb)
1708	CODE:	2028	CODE:
1709	SvREFCNT_dec (on_next_submit);	2029	SvREFCNT_dec (on_next_submit);
1710	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2030	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711		2031
1712	PROTOTYPES: DISABLE	2032	PROTOTYPES: DISABLE
1713		2033
		2034	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2035
		2036	BOOT:
		2037	{
		2038	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2039	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2040	}
		2041
		2042	void
		2043	DESTROY (SV *self)
		2044	CODE:
		2045	{
		2046	aio_wd wd = SvAIO_WD (self);
		2047	#if HAVE_AT
		2048	{
		2049	SV *callback = &PL_sv_undef;
		2050	dREQ; /* clobbers next_pri :/ */
		2051	next_pri = req->pri; /* restore next_pri */
		2052	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2053	req->type = EIO_WD_CLOSE;
		2054	req->wd = wd;
		2055	REQ_SEND;
		2056	}
		2057	#else
		2058	eio_wd_close_sync (wd);
		2059	#endif
		2060	}
		2061
1714	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2062	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715		2063
1716	void	2064	void
1717	cancel (aio_req_ornot req)	2065	cancel (aio_req_ornot req)
1718	CODE:	2066	CODE:
1719	eio_cancel (req);	2067	eio_cancel (req);
1720		2068
1721	void	2069	void
1722	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2070	cb (aio_req_ornot req, SV *callback = NO_INIT)
1723	PPCODE:	2071	PPCODE:
1724	{	2072	{
1725	if (GIMME_V != G_VOID)	2073	if (GIMME_V != G_VOID)
1726	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2074	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727		2075
1728	if (items > 1)	2076	if (items > 1)
1729	{	2077	{
1730	SV *cb_cv =get_cb (callback);	2078	SV *cb_cv = get_cb (callback);
1731		2079
1732	SvREFCNT_dec (req->callback);	2080	SvREFCNT_dec (req->callback);
1733	req->callback = SvREFCNT_inc (cb_cv);	2081	req->callback = SvREFCNT_inc (cb_cv);
1734	}	2082	}
1735	}	2083	}
…		…
1792	limit (aio_req grp, int limit)	2140	limit (aio_req grp, int limit)
1793	CODE:	2141	CODE:
1794	eio_grp_limit (grp, limit);	2142	eio_grp_limit (grp, limit);
1795		2143
1796	void	2144	void
1797	feed (aio_req grp, SV *callback=&PL_sv_undef)	2145	feed (aio_req grp, SV *callback = &PL_sv_undef)
1798	CODE:	2146	CODE:
1799	{	2147	{
1800	SvREFCNT_dec (grp->sv2);	2148	SvREFCNT_dec (grp->sv2);
1801	grp->sv2 = newSVsv (callback);	2149	grp->sv2 = newSVsv (callback);
1802	grp->feed = aio_grp_feed;	2150	grp->feed = aio_grp_feed;

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