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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 1.246 by root, Fri Jun 23 21:43:51 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 (F_DUPFD_CLOEXEC)
		1002
		1003	const_iv (F_OFD_GETLK)
		1004	const_iv (F_OFD_SETLK)
		1005	const_iv (F_OFD_GETLKW)
		1006
		1007	const_iv (FIFREEZE)
		1008	const_iv (FITHAW)
		1009	const_iv (FITRIM)
		1010	const_iv (FICLONE)
		1011	const_iv (FICLONERANGE)
		1012	const_iv (FIDEDUPERANGE)
		1013
		1014	const_iv (FS_IOC_GETFLAGS)
		1015	const_iv (FS_IOC_SETFLAGS)
		1016	const_iv (FS_IOC_GETVERSION)
		1017	const_iv (FS_IOC_SETVERSION)
		1018	const_iv (FS_IOC_FIEMAP)
		1019	const_iv (FS_IOC_FSGETXATTR)
		1020	const_iv (FS_IOC_FSSETXATTR)
		1021	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1022	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1023	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1024
		1025	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1026
		1027	const_iv (FS_SECRM_FL)
		1028	const_iv (FS_UNRM_FL)
		1029	const_iv (FS_COMPR_FL)
		1030	const_iv (FS_SYNC_FL)
		1031	const_iv (FS_IMMUTABLE_FL)
		1032	const_iv (FS_APPEND_FL)
		1033	const_iv (FS_NODUMP_FL)
		1034	const_iv (FS_NOATIME_FL)
		1035	const_iv (FS_DIRTY_FL)
		1036	const_iv (FS_COMPRBLK_FL)
		1037	const_iv (FS_NOCOMP_FL)
		1038	const_iv (FS_ENCRYPT_FL)
		1039	const_iv (FS_BTREE_FL)
		1040	const_iv (FS_INDEX_FL)
		1041	const_iv (FS_JOURNAL_DATA_FL)
		1042	const_iv (FS_NOTAIL_FL)
		1043	const_iv (FS_DIRSYNC_FL)
		1044	const_iv (FS_TOPDIR_FL)
		1045	const_iv (FS_FL_USER_MODIFIABLE)
		1046
		1047	const_iv (FS_XFLAG_REALTIME)
		1048	const_iv (FS_XFLAG_PREALLOC)
		1049	const_iv (FS_XFLAG_IMMUTABLE)
		1050	const_iv (FS_XFLAG_APPEND)
		1051	const_iv (FS_XFLAG_SYNC)
		1052	const_iv (FS_XFLAG_NOATIME)
		1053	const_iv (FS_XFLAG_NODUMP)
		1054	const_iv (FS_XFLAG_RTINHERIT)
		1055	const_iv (FS_XFLAG_PROJINHERIT)
		1056	const_iv (FS_XFLAG_NOSYMLINKS)
		1057	const_iv (FS_XFLAG_EXTSIZE)
		1058	const_iv (FS_XFLAG_EXTSZINHERIT)
		1059	const_iv (FS_XFLAG_NODEFRAG)
		1060	const_iv (FS_XFLAG_FILESTREAM)
		1061	const_iv (FS_XFLAG_DAX)
		1062	const_iv (FS_XFLAG_HASATTR)
		1063
		1064	const_iv (FIEMAP_FLAG_SYNC)
		1065	const_iv (FIEMAP_FLAG_XATTR)
		1066	const_iv (FIEMAP_FLAGS_COMPAT)
		1067	const_iv (FIEMAP_EXTENT_LAST)
		1068	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1069	const_iv (FIEMAP_EXTENT_DELALLOC)
		1070	const_iv (FIEMAP_EXTENT_ENCODED)
		1071	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1072	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1073	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1074	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1075	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1076	const_iv (FIEMAP_EXTENT_MERGED)
		1077	const_iv (FIEMAP_EXTENT_SHARED)
		1078
		1079	const_iv (SPLICE_F_MOVE)
		1080	const_iv (SPLICE_F_NONBLOCK)
		1081	const_iv (SPLICE_F_MORE)
		1082	const_iv (SPLICE_F_GIFT)
		1083
		1084	/* these are libeio constants, and are independent of gendef0 */
		1085	const_eio (SEEK_SET)
		1086	const_eio (SEEK_CUR)
		1087	const_eio (SEEK_END)
884		1088
885	const_eio (MCL_FUTURE)	1089	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1090	const_eio (MCL_CURRENT)
887		1091
888	const_eio (MS_ASYNC)	1092	const_eio (MS_ASYNC)
…		…
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1098	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1099	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1100	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897		1101
898	const_eio (FALLOC_FL_KEEP_SIZE)	1102	const_eio (FALLOC_FL_KEEP_SIZE)
		1103	const_eio (FALLOC_FL_PUNCH_HOLE)
		1104	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1105	const_eio (FALLOC_FL_ZERO_RANGE)
		1106
		1107	const_eio (RENAME_NOREPLACE)
		1108	const_eio (RENAME_EXCHANGE)
		1109	const_eio (RENAME_WHITEOUT)
899		1110
900	const_eio (READDIR_DENTS)	1111	const_eio (READDIR_DENTS)
901	const_eio (READDIR_DIRS_FIRST)	1112	const_eio (READDIR_DIRS_FIRST)
902	const_eio (READDIR_STAT_ORDER)	1113	const_eio (READDIR_STAT_ORDER)
903	const_eio (READDIR_FOUND_UNKNOWN)	1114	const_eio (READDIR_FOUND_UNKNOWN)
…		…
914	};	1125	};
915		1126
916	aio_stash = gv_stashpv ("IO::AIO" , 1);	1127	aio_stash = gv_stashpv ("IO::AIO" , 1);
917	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1128	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1129	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1130	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919		1131
920	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1132	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));	1133	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922		1134
923	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1135	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924		1136
925	create_respipe ();	1137	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	}	1138	}
		1139
		1140	void
		1141	reinit ()
		1142	PROTOTYPE:
933		1143
934	void	1144	void
935	max_poll_reqs (unsigned int nreqs)	1145	max_poll_reqs (unsigned int nreqs)
936	PROTOTYPE: $	1146	PROTOTYPE: $
937	CODE:	1147	CODE:
…		…
972	PROTOTYPE: $	1182	PROTOTYPE: $
973	CODE:	1183	CODE:
974	max_outstanding = maxreqs;	1184	max_outstanding = maxreqs;
975		1185
976	void	1186	void
977	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1187	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978	PPCODE:	1188	PPCODE:
979	{	1189	{
980	dREQ;	1190	dREQ;
981		1191
		1192	req->type = EIO_WD_OPEN;
		1193	req_set_path1 (req, pathname);
		1194
		1195	REQ_SEND;
		1196	}
		1197
		1198	void
		1199	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1200	PPCODE:
		1201	{
		1202	dREQ;
		1203
982	req->type = EIO_OPEN;	1204	req->type = EIO_OPEN;
983	req->sv1 = newSVsv (pathname);	1205	req_set_path1 (req, pathname);
984	req->ptr1 = SvPVbyte_nolen (req->sv1);
985	req->int1 = flags;	1206	req->int1 = flags;
986	req->int2 = mode;	1207	req->int2 = mode;
987		1208
988	REQ_SEND;	1209	REQ_SEND;
989	}	1210	}
990		1211
991	void	1212	void
992	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1213	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993	ALIAS:	1214	ALIAS:
994	aio_fsync = EIO_FSYNC	1215	aio_fsync = EIO_FSYNC
995	aio_fdatasync = EIO_FDATASYNC	1216	aio_fdatasync = EIO_FDATASYNC
		1217	aio_syncfs = EIO_SYNCFS
996	PPCODE:	1218	PPCODE:
997	{	1219	{
998	int fd = s_fileno_croak (fh, 0);	1220	int fd = s_fileno_croak (fh, 0);
999	dREQ;	1221	dREQ;
1000		1222
1001	req->type = ix;	1223	req->type = ix;
1002	req->sv1 = newSVsv (fh);	1224	req->sv1 = newSVsv (fh);
1003	req->int1 = fd;	1225	req->int1 = fd;
1004		1226
1005	REQ_SEND (req);	1227	REQ_SEND;
1006	}	1228	}
1007		1229
1008	void	1230	void
1009	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1231	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1010	PPCODE:	1232	PPCODE:
1011	{	1233	{
1012	int fd = s_fileno_croak (fh, 0);	1234	int fd = s_fileno_croak (fh, 0);
1013	dREQ;	1235	dREQ;
1014		1236
1015	req->type = EIO_SYNC_FILE_RANGE;	1237	req->type = EIO_SYNC_FILE_RANGE;
1016	req->sv1 = newSVsv (fh);	1238	req->sv1 = newSVsv (fh);
1017	req->int1 = fd;	1239	req->int1 = fd;
1018	req->offs = offset;	1240	req->offs = offset;
1019	req->size = nbytes;	1241	req->size = nbytes;
1020	req->int2 = flags;	1242	req->int2 = flags;
1021		1243
1022	REQ_SEND (req);	1244	REQ_SEND;
1023	}	1245	}
1024		1246
1025	void	1247	void
1026	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1248	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027	PPCODE:	1249	PPCODE:
1028	{	1250	{
1029	int fd = s_fileno_croak (fh, 0);	1251	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1252	dREQ;
1031		1253
1032	req->type = EIO_FALLOCATE;	1254	req->type = EIO_FALLOCATE;
1033	req->sv1 = newSVsv (fh);	1255	req->sv1 = newSVsv (fh);
1034	req->int1 = fd;	1256	req->int1 = fd;
1035	req->int2 = mode;	1257	req->int2 = mode;
1036	req->offs = offset;	1258	req->offs = offset;
1037	req->size = len;	1259	req->size = len;
1038		1260
1039	REQ_SEND (req);	1261	REQ_SEND;
1040	}	1262	}
1041		1263
1042	void	1264	void
1043	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1265	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044	PPCODE:	1266	PPCODE:
1045	{	1267	{
1046	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1268	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047	int fd = s_fileno_croak (fh, 0);	1269	int fd = s_fileno_croak (fh, 0);
1048	dREQ;	1270	dREQ;
1049		1271
1050	if (expect_false (close_fd < 0))	1272	if (expect_false (close_fd < 0))
1051	{	1273	{
1052	int pipefd [2];	1274	int pipefd [2];
…		…
1068	req->type = EIO_DUP2;	1290	req->type = EIO_DUP2;
1069	req->int1 = close_fd;	1291	req->int1 = close_fd;
1070	req->sv2 = newSVsv (fh);	1292	req->sv2 = newSVsv (fh);
1071	req->int2 = fd;	1293	req->int2 = fd;
1072		1294
1073	REQ_SEND (req);	1295	REQ_SEND;
1074	}	1296	}
1075		1297
1076	void	1298	void
		1299	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1300	PPCODE:
		1301	{
		1302	int fd = s_fileno_croak (fh, 0);
		1303	dREQ;
		1304
		1305	req->type = EIO_SEEK;
		1306	req->sv1 = newSVsv (fh);
		1307	req->int1 = fd;
		1308	req->offs = SvVAL64 (offset);
		1309	req->int2 = whence;
		1310
		1311	REQ_SEND;
		1312	}
		1313
		1314	void
1077	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1315	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1078	ALIAS:	1316	ALIAS:
1079	aio_read = EIO_READ	1317	aio_read = EIO_READ
1080	aio_write = EIO_WRITE	1318	aio_write = EIO_WRITE
1081	PPCODE:	1319	PPCODE:
1082	{	1320	{
…		…
1098	len = svlen - dataoffset;	1336	len = svlen - dataoffset;
1099	}	1337	}
1100	else	1338	else
1101	{	1339	{
1102	/* read: check type and grow scalar as necessary */	1340	/* read: check type and grow scalar as necessary */
1103	SvUPGRADE (data, SVt_PV);	1341	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104	svptr = SvGROW (data, len + dataoffset + 1);	1342	svptr = sv_grow (data, len + dataoffset + 1);
		1343	else if (SvCUR (data) < len + dataoffset)
		1344	croak ("length + dataoffset outside of scalar, and cannot grow");
1105	}	1345	}
1106		1346
1107	{	1347	{
1108	dREQ;	1348	dREQ;
1109		1349
…		…
1125	REQ_SEND;	1365	REQ_SEND;
1126	}	1366	}
1127	}	1367	}
1128		1368
1129	void	1369	void
		1370	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1371	ALIAS:
		1372	aio_ioctl = EIO_IOCTL
		1373	aio_fcntl = EIO_FCNTL
		1374	PPCODE:
		1375	{
		1376	int fd = s_fileno_croak (fh, 0);
		1377	char *svptr;
		1378
		1379	if (SvPOK (arg) || !SvNIOK (arg))
		1380	{
		1381	STRLEN svlen;
		1382	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1383	#ifdef IOCPARM_LEN
		1384	STRLEN need = IOCPARM_LEN (request);
		1385	#else
		1386	STRLEN need = 256;
		1387	#endif
		1388
		1389	if (svlen < need)
		1390	svptr = SvGROW (arg, need);
		1391	}
		1392	else
		1393	svptr = (char *)SvIV (arg);
		1394
		1395	{
		1396	dREQ;
		1397
		1398	req->type = ix;
		1399	req->sv1 = newSVsv (fh);
		1400	req->int1 = fd;
		1401	req->int2 = (long)request;
		1402	req->sv2 = SvREFCNT_inc (arg);
		1403	req->ptr2 = svptr;
		1404
		1405	REQ_SEND;
		1406	}
		1407	}
		1408
		1409	void
1130	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1410	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131	ALIAS:	1411	ALIAS:
1132	aio_readlink = EIO_READLINK	1412	aio_readlink = EIO_READLINK
1133	aio_realpath = EIO_REALPATH	1413	aio_realpath = EIO_REALPATH
1134	PPCODE:	1414	PPCODE:
1135	{	1415	{
1136	dREQ;	1416	dREQ;
1137		1417
1138	req->type = ix;	1418	req->type = ix;
1139	req->sv1 = newSVsv (path);	1419	req_set_path1 (req, pathname);
1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
1141		1420
1142	REQ_SEND;	1421	REQ_SEND;
1143	}	1422	}
1144		1423
1145	void	1424	void
1146	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1425	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147	PPCODE:	1426	PPCODE:
1148	{	1427	{
1149	int ifd = s_fileno_croak (in_fh , 0);	1428	int ifd = s_fileno_croak (in_fh , 0);
1150	int ofd = s_fileno_croak (out_fh, 1);	1429	int ofd = s_fileno_croak (out_fh, 1);
1151	dREQ;	1430	dREQ;
1152		1431
1153	req->type = EIO_SENDFILE;	1432	req->type = EIO_SENDFILE;
1154	req->sv1 = newSVsv (out_fh);	1433	req->sv1 = newSVsv (out_fh);
1155	req->int1 = ofd;	1434	req->int1 = ofd;
…		…
1160		1439
1161	REQ_SEND;	1440	REQ_SEND;
1162	}	1441	}
1163		1442
1164	void	1443	void
1165	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1444	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166	PPCODE:	1445	PPCODE:
1167	{	1446	{
1168	int fd = s_fileno_croak (fh, 0);	1447	int fd = s_fileno_croak (fh, 0);
1169	dREQ;	1448	dREQ;
1170		1449
1171	req->type = EIO_READAHEAD;	1450	req->type = EIO_READAHEAD;
1172	req->sv1 = newSVsv (fh);	1451	req->sv1 = newSVsv (fh);
1173	req->int1 = fd;	1452	req->int1 = fd;
…		…
1176		1455
1177	REQ_SEND;	1456	REQ_SEND;
1178	}	1457	}
1179		1458
1180	void	1459	void
1181	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1460	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182	ALIAS:	1461	ALIAS:
1183	aio_stat = EIO_STAT	1462	aio_stat = EIO_STAT
1184	aio_lstat = EIO_LSTAT	1463	aio_lstat = EIO_LSTAT
1185	aio_statvfs = EIO_STATVFS	1464	aio_statvfs = EIO_STATVFS
1186	PPCODE:	1465	PPCODE:
1187	{	1466	{
1188	dREQ;	1467	dREQ;
1189		1468
1190	req->sv1 = newSVsv (fh_or_path);	1469	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		1470
1203	REQ_SEND;	1471	REQ_SEND;
1204	}	1472	}
1205		1473
1206	UV	1474	UV
1207	major (UV dev)	1475	major (UV dev)
1208	ALIAS:	1476	ALIAS:
1209	minor = 1	1477	minor = 1
1210	CODE:	1478	CODE:
1211	RETVAL = ix ? major (dev) : minor (dev);	1479	RETVAL = ix ? minor (dev) : major (dev);
1212	OUTPUT:	1480	OUTPUT:
1213	RETVAL	1481	RETVAL
1214		1482
1215	UV	1483	UV
1216	makedev (UV maj, UV min)	1484	makedev (UV maj, UV min)
…		…
1218	RETVAL = makedev (maj, min);	1486	RETVAL = makedev (maj, min);
1219	OUTPUT:	1487	OUTPUT:
1220	RETVAL	1488	RETVAL
1221		1489
1222	void	1490	void
1223	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1491	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224	PPCODE:	1492	PPCODE:
1225	{	1493	{
1226	dREQ;	1494	dREQ;
1227		1495
1228	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1496	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1497	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230	req->sv1 = newSVsv (fh_or_path);	1498	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		1499
1243	REQ_SEND;	1500	REQ_SEND;
1244	}	1501	}
1245		1502
1246	void	1503	void
1247	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1504	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248	PPCODE:	1505	PPCODE:
1249	{	1506	{
1250	dREQ;	1507	dREQ;
1251		1508
1252	req->sv1 = newSVsv (fh_or_path);
1253	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1509	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254		1510	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		1511
1266	REQ_SEND;	1512	REQ_SEND;
1267	}	1513	}
1268		1514
1269	void	1515	void
1270	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1516	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:	1517	PPCODE:
1275	{	1518	{
1276	dREQ;	1519	dREQ;
1277		1520
1278	req->int2 = mode;	1521	req->int2 = mode;
1279	req->sv1 = newSVsv (fh_or_path);	1522	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		1523
1292	REQ_SEND;	1524	REQ_SEND;
1293	}	1525	}
1294		1526
1295	void	1527	void
1296	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1528	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297	PPCODE:	1529	PPCODE:
1298	{	1530	{
1299	dREQ;	1531	dREQ;
1300		1532
1301	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1533	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1534	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303	req->sv1 = newSVsv (fh_or_path);	1535	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		1536
1316	REQ_SEND;	1537	REQ_SEND;
1317	}	1538	}
1318		1539
1319	void	1540	void
1320	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1541	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321	PPCODE:	1542	PPCODE:
1322	{	1543	{
1323	dREQ;	1544	dREQ;
1324		1545
1325	req->type = EIO_READDIR;	1546	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;	1547	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329		1548
1330	if (flags & EIO_READDIR_DENTS)	1549	if (flags & EIO_READDIR_DENTS)
1331	req->int1 |= EIO_READDIR_CUSTOM2;	1550	req->int1 |= EIO_READDIR_CUSTOM2;
1332		1551
		1552	req_set_path1 (req, pathname);
		1553
1333	REQ_SEND;	1554	REQ_SEND;
1334	}	1555	}
1335		1556
1336	void	1557	void
		1558	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1559	PPCODE:
		1560	{
		1561	dREQ;
		1562
		1563	req->type = EIO_MKDIR;
		1564	req->int2 = mode;
		1565	req_set_path1 (req, pathname);
		1566
		1567	REQ_SEND;
		1568	}
		1569
		1570	void
1337	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1571	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338	ALIAS:	1572	ALIAS:
1339	aio_unlink = EIO_UNLINK	1573	aio_unlink = EIO_UNLINK
1340	aio_rmdir = EIO_RMDIR	1574	aio_rmdir = EIO_RMDIR
1341	aio_readdir = EIO_READDIR	1575	aio_readdir = EIO_READDIR
1342	PPCODE:	1576	PPCODE:
1343	{	1577	{
1344	dREQ;	1578	dREQ;
1345		1579
1346	req->type = ix;	1580	req->type = ix;
1347	req->sv1 = newSVsv (pathname);	1581	req_set_path1 (req, pathname);
1348	req->ptr1 = SvPVbyte_nolen (req->sv1);
1349		1582
1350	REQ_SEND;	1583	REQ_SEND;
1351	}	1584	}
1352		1585
1353	void	1586	void
1354	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1587	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355	ALIAS:	1588	ALIAS:
1356	aio_link = EIO_LINK	1589	aio_link = EIO_LINK
1357	aio_symlink = EIO_SYMLINK	1590	aio_symlink = EIO_SYMLINK
1358	aio_rename = EIO_RENAME	1591	aio_rename = EIO_RENAME
1359	PPCODE:	1592	PPCODE:
1360	{	1593	{
		1594	eio_wd wd2 = 0;
1361	dREQ;	1595	dREQ;
1362		1596
1363	req->type = ix;	1597	req->type = ix;
1364	req->sv1 = newSVsv (oldpath);	1598	req_set_path1 (req, oldpath);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);	1599	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366	req->sv2 = newSVsv (newpath);	1600	req->int3 = (long)wd2;
1367	req->ptr2 = SvPVbyte_nolen (req->sv2);
1368		1601
1369	REQ_SEND;	1602	REQ_SEND;
1370	}	1603	}
1371		1604
1372	void	1605	void
		1606	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1607	PPCODE:
		1608	{
		1609	eio_wd wd2 = 0;
		1610	dREQ;
		1611
		1612	req->type = EIO_RENAME;
		1613	req_set_path1 (req, oldpath);
		1614	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1615	req->int2 = flags;
		1616	req->int3 = (long)wd2;
		1617
		1618	REQ_SEND;
		1619	}
		1620
		1621	void
1373	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1622	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374	PPCODE:	1623	PPCODE:
1375	{	1624	{
1376	dREQ;	1625	dREQ;
1377		1626
1378	req->type = EIO_MKNOD;	1627	req->type = EIO_MKNOD;
1379	req->sv1 = newSVsv (pathname);
1380	req->ptr1 = SvPVbyte_nolen (req->sv1);
1381	req->int2 = (mode_t)mode;	1628	req->int2 = (mode_t)mode;
1382	req->offs = dev;	1629	req->offs = dev;
		1630	req_set_path1 (req, pathname);
1383		1631
1384	REQ_SEND;	1632	REQ_SEND;
1385	}	1633	}
1386		1634
1387	void	1635	void
1388	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1636	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1389	ALIAS:	1637	ALIAS:
1390	aio_mtouch = EIO_MTOUCH	1638	aio_mtouch = EIO_MTOUCH
1391	aio_msync = EIO_MSYNC	1639	aio_msync = EIO_MSYNC
1392	PPCODE:	1640	PPCODE:
1393	{	1641	{
1394	STRLEN svlen;	1642	STRLEN svlen;
1395	char *svptr = SvPVbyte (data, svlen);	1643	char *svptr = SvPVbyte (data, svlen);
1396	UV len = SvUV (length);	1644	UV len = SvUV (length);
		1645
		1646	if (flags < 0)
		1647	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1397		1648
1398	if (offset < 0)	1649	if (offset < 0)
1399	offset += svlen;	1650	offset += svlen;
1400		1651
1401	if (offset < 0 || offset > svlen)	1652	if (offset < 0 || offset > svlen)
…		…
1416	REQ_SEND;	1667	REQ_SEND;
1417	}	1668	}
1418	}	1669	}
1419		1670
1420	void	1671	void
1421	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1672	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422	PPCODE:	1673	PPCODE:
1423	{	1674	{
1424	STRLEN svlen;	1675	STRLEN svlen;
1425	char *svptr = SvPVbyte (data, svlen);	1676	char *svptr = SvPVbyte (data, svlen);
1426	UV len = SvUV (length);	1677	UV len = SvUV (length);
…		…
1445	REQ_SEND;	1696	REQ_SEND;
1446	}	1697	}
1447	}	1698	}
1448		1699
1449	void	1700	void
1450	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1701	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451	PPCODE:	1702	PPCODE:
1452	{	1703	{
1453	dREQ;	1704	dREQ;
1454		1705
1455	req->type = EIO_MLOCKALL;	1706	req->type = EIO_MLOCKALL;
…		…
1457		1708
1458	REQ_SEND;	1709	REQ_SEND;
1459	}	1710	}
1460		1711
1461	void	1712	void
		1713	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1714	PPCODE:
		1715	{
		1716	int fd = s_fileno_croak (fh, 0);
		1717	dREQ;
		1718
		1719	req->type = EIO_CUSTOM;
		1720	req->sv1 = newSVsv (fh);
		1721	req->int1 = fd;
		1722
		1723	req->feed = fiemap;
		1724	#if HAVE_FIEMAP
		1725	/* keep our fingers crossed that the next two types are 64 bit */
		1726	req->offs = start;
		1727	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1728	req->int2 = flags;
		1729	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1730	#endif
		1731
		1732	REQ_SEND;
		1733	}
		1734
		1735	void
1462	aio_busy (double delay, SV *callback=&PL_sv_undef)	1736	aio_busy (double delay, SV *callback = &PL_sv_undef)
1463	PPCODE:	1737	PPCODE:
1464	{	1738	{
1465	dREQ;	1739	dREQ;
1466		1740
1467	req->type = EIO_BUSY;	1741	req->type = EIO_BUSY;
…		…
1469		1743
1470	REQ_SEND;	1744	REQ_SEND;
1471	}	1745	}
1472		1746
1473	void	1747	void
1474	aio_group (SV *callback=&PL_sv_undef)	1748	aio_group (SV *callback = &PL_sv_undef)
1475	PPCODE:	1749	PPCODE:
1476	{	1750	{
1477	dREQ;	1751	dREQ;
1478		1752
1479	req->type = EIO_GROUP;	1753	req->type = EIO_GROUP;
1480		1754
		1755	PUTBACK;
1481	req_submit (req);	1756	req_submit (req);
		1757	SPAGAIN;
		1758
1482	XPUSHs (req_sv (req, aio_grp_stash));	1759	XPUSHs (req_sv (req, aio_grp_stash));
1483	}	1760	}
1484		1761
1485	void	1762	void
1486	aio_nop (SV *callback=&PL_sv_undef)	1763	aio_nop (SV *callback = &PL_sv_undef)
1487	ALIAS:	1764	ALIAS:
1488	aio_nop = EIO_NOP	1765	aio_nop = EIO_NOP
1489	aio_sync = EIO_SYNC	1766	aio_sync = EIO_SYNC
1490	PPCODE:	1767	PPCODE:
1491	{	1768	{
…		…
1495		1772
1496	REQ_SEND;	1773	REQ_SEND;
1497	}	1774	}
1498		1775
1499	int	1776	int
1500	aioreq_pri (int pri = 0)	1777	aioreq_pri (int pri = NO_INIT)
1501	CODE:	1778	CODE:
1502	RETVAL = next_pri;	1779	RETVAL = next_pri;
1503	if (items > 0)	1780	if (items > 0)
1504	{	1781	{
1505	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1782	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1587	CODE:	1864	CODE:
1588	RETVAL = posix_fadvise (fh, offset, length, advice);	1865	RETVAL = posix_fadvise (fh, offset, length, advice);
1589	OUTPUT:	1866	OUTPUT:
1590	RETVAL	1867	RETVAL
1591		1868
1592	ssize_t	1869	IV
1593	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1870	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594	CODE:	1871	CODE:
1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1872	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596	OUTPUT:	1873	OUTPUT:
1597	RETVAL	1874	RETVAL
1598		1875
1599	void	1876	void
1600	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1877	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601	PPCODE:	1878	PPCODE:
1602	sv_unmagic (scalar, MMAP_MAGIC);	1879	sv_unmagic (scalar, MMAP_MAGIC);
1603	{	1880	{
1604	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1881	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1882	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1632	munmap (SV *scalar)	1909	munmap (SV *scalar)
1633	CODE:	1910	CODE:
1634	sv_unmagic (scalar, MMAP_MAGIC);	1911	sv_unmagic (scalar, MMAP_MAGIC);
1635		1912
1636	int	1913	int
1637	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1914	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638	ALIAS:	1915	ALIAS:
1639	mprotect = 1	1916	mprotect = 1
1640	CODE:	1917	CODE:
1641	{	1918	{
1642	STRLEN svlen;	1919	STRLEN svlen;
1643	void *addr = SvPVbyte (scalar, svlen);	1920	void *addr = SvPVbyte (scalar, svlen);
1644	size_t len = SvUV (length);	1921	STRLEN len = SvUV (length);
1645		1922
1646	if (offset < 0)	1923	if (offset < 0)
1647	offset += svlen;	1924	offset += svlen;
1648		1925
1649	if (offset < 0 || offset > svlen)	1926	if (offset < 0 || offset > svlen)
…		…
1663	}	1940	}
1664	OUTPUT:	1941	OUTPUT:
1665	RETVAL	1942	RETVAL
1666		1943
1667	int	1944	int
1668	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1945	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1669	CODE:	1946	CODE:
1670	{	1947	{
1671	STRLEN svlen;	1948	STRLEN svlen;
1672	void *addr = SvPVbyte (scalar, svlen);	1949	void *addr = SvPVbyte (scalar, svlen);
1673	size_t len = SvUV (length);	1950	size_t len = SvUV (length);
1674		1951
1675	if (offset < 0)	1952	if (offset < 0)
1676	offset += svlen;	1953	offset += svlen;
1677		1954
…		…
1684	addr = (void *)(((intptr_t)addr) + offset);	1961	addr = (void *)(((intptr_t)addr) + offset);
1685	eio_page_align (&addr, &len);	1962	eio_page_align (&addr, &len);
1686	#if _POSIX_MEMLOCK_RANGE	1963	#if _POSIX_MEMLOCK_RANGE
1687	RETVAL = munlock (addr, len);	1964	RETVAL = munlock (addr, len);
1688	#else	1965	#else
1689	RETVAL = ((errno = ENOSYS), -1);	1966	RETVAL = EIO_ENOSYS ();
1690	#endif	1967	#endif
1691	}	1968	}
1692	OUTPUT:	1969	OUTPUT:
1693	RETVAL	1970	RETVAL
1694		1971
…		…
1696	munlockall ()	1973	munlockall ()
1697	CODE:	1974	CODE:
1698	#if _POSIX_MEMLOCK	1975	#if _POSIX_MEMLOCK
1699	munlockall ();	1976	munlockall ();
1700	#else	1977	#else
1701	RETVAL = -1;	1978	RETVAL = EIO_ENOSYS ();
1702	errno = ENOSYS;
1703	#endif	1979	#endif
1704	OUTPUT:	1980	OUTPUT:
1705	RETVAL	1981	RETVAL
		1982
		1983	int
		1984	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1985	CODE:
		1986	{
		1987	#if HAVE_LINUX_SPLICE
		1988	loff_t off_in_, off_out_;
		1989	RETVAL = splice (
		1990	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1991	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1992	length, flags
		1993	);
		1994	#else
		1995	RETVAL = EIO_ENOSYS ();
		1996	#endif
		1997	}
		1998	OUTPUT:
		1999	RETVAL
		2000
		2001	int
		2002	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2003	CODE:
		2004	#if HAVE_LINUX_SPLICE
		2005	RETVAL = tee (rfh, wfh, length, flags);
		2006	#else
		2007	RETVAL = EIO_ENOSYS ();
		2008	#endif
		2009	OUTPUT:
		2010	RETVAL
		2011
		2012	int
		2013	pipesize (aio_rfd rfh, int new_size = -1)
		2014	PROTOTYPE: $;$
		2015	CODE:
		2016	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2017	if (new_size >= 0)
		2018	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2019	else
		2020	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2021	#else
		2022	errno = ENOSYS;
		2023	RETVAL = -1;
		2024	#endif
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	void
		2029	pipe2 (int flags = 0)
		2030	PROTOTYPE: ;$
		2031	PPCODE:
		2032	{
		2033	int fd[2];
		2034	int res;
		2035
		2036	if (flags)
		2037	#if HAVE_PIPE2
		2038	res = pipe2 (fd, flags);
		2039	#else
		2040	res = (errno = ENOSYS, -1);
		2041	#endif
		2042	else
		2043	res = pipe (fd);
		2044
		2045	if (!res)
		2046	{
		2047	EXTEND (SP, 2);
		2048	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2049	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2050	}
		2051	}
1706		2052
1707	void _on_next_submit (SV *cb)	2053	void _on_next_submit (SV *cb)
1708	CODE:	2054	CODE:
1709	SvREFCNT_dec (on_next_submit);	2055	SvREFCNT_dec (on_next_submit);
1710	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2056	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711		2057
1712	PROTOTYPES: DISABLE	2058	PROTOTYPES: DISABLE
1713		2059
		2060	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2061
		2062	BOOT:
		2063	{
		2064	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2065	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2066	}
		2067
		2068	void
		2069	DESTROY (SV *self)
		2070	CODE:
		2071	{
		2072	aio_wd wd = SvAIO_WD (self);
		2073	#if HAVE_AT
		2074	{
		2075	SV *callback = &PL_sv_undef;
		2076	dREQ; /* clobbers next_pri :/ */
		2077	next_pri = req->pri; /* restore next_pri */
		2078	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2079	req->type = EIO_WD_CLOSE;
		2080	req->wd = wd;
		2081	REQ_SEND;
		2082	}
		2083	#else
		2084	eio_wd_close_sync (wd);
		2085	#endif
		2086	}
		2087
1714	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2088	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715		2089
1716	void	2090	void
1717	cancel (aio_req_ornot req)	2091	cancel (aio_req_ornot req)
1718	CODE:	2092	CODE:
1719	eio_cancel (req);	2093	eio_cancel (req);
1720		2094
1721	void	2095	void
1722	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2096	cb (aio_req_ornot req, SV *callback = NO_INIT)
1723	PPCODE:	2097	PPCODE:
1724	{	2098	{
1725	if (GIMME_V != G_VOID)	2099	if (GIMME_V != G_VOID)
1726	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2100	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727		2101
1728	if (items > 1)	2102	if (items > 1)
1729	{	2103	{
1730	SV *cb_cv =get_cb (callback);	2104	SV *cb_cv = get_cb (callback);
1731		2105
1732	SvREFCNT_dec (req->callback);	2106	SvREFCNT_dec (req->callback);
1733	req->callback = SvREFCNT_inc (cb_cv);	2107	req->callback = SvREFCNT_inc (cb_cv);
1734	}	2108	}
1735	}	2109	}
…		…
1792	limit (aio_req grp, int limit)	2166	limit (aio_req grp, int limit)
1793	CODE:	2167	CODE:
1794	eio_grp_limit (grp, limit);	2168	eio_grp_limit (grp, limit);
1795		2169
1796	void	2170	void
1797	feed (aio_req grp, SV *callback=&PL_sv_undef)	2171	feed (aio_req grp, SV *callback = &PL_sv_undef)
1798	CODE:	2172	CODE:
1799	{	2173	{
1800	SvREFCNT_dec (grp->sv2);	2174	SvREFCNT_dec (grp->sv2);
1801	grp->sv2 = newSVsv (callback);	2175	grp->sv2 = newSVsv (callback);
1802	grp->feed = aio_grp_feed;	2176	grp->feed = aio_grp_feed;

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