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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.247 by root, Fri Jun 23 22:09:50 2017 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
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
		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
22	#endif	36	#endif
23		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
…		…
62	#undef dup	76	#undef dup
63	#undef dup2	77	#undef dup2
64	#undef abort	78	#undef abort
65	#undef pipe	79	#undef pipe
66		80
		81	#define EIO_STRUCT_STAT struct _stati64
		82	#define EIO_STRUCT_STATI64
		83
67	#else	84	#else
68		85
69	#include <sys/time.h>	86	#include <sys/time.h>
70	#include <sys/select.h>	87	#include <sys/select.h>
71	#include <unistd.h>	88	#include <unistd.h>
72	#include <utime.h>	89	#include <utime.h>
73	#include <signal.h>	90	#include <signal.h>
74		91
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
78		93
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	94	#endif
89		95
90	/*****************************************************************************/	96	/*****************************************************************************/
91		97
92	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
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;
335	typedef eio_wd *aio_wd;	274	typedef eio_wd aio_wd;
336		275
337	static SV *on_next_submit;	276	static SV *on_next_submit;
338	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
339	static int max_outstanding;	278	static int max_outstanding;
340		279
341	static s_epipe respipe;	280	static s_epipe respipe;
342		281
343	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
345		284
346	static void want_poll (void)	285	static void
		286	want_poll (void)
347	{	287	{
348	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	289	s_epipe_signal (&respipe);
350	}	290	}
351		291
352	static void done_poll (void)	292	static void
		293	done_poll (void)
353	{	294	{
354	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	296	s_epipe_drain (&respipe);
356	}	297	}
357		298
358	/* must be called at most once */	299	/* must be called at most once */
		300	static SV *
359	static SV *req_sv (aio_req req, HV *stash)	301	req_sv (aio_req req, HV *stash)
360	{	302	{
361	if (!req->self)	303	if (!req->self)
362	{	304	{
363	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
365	}	307	}
366		308
367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368	}	310	}
369		311
370	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)
371	{	320	{
372	MAGIC *mg;	321	MAGIC *mg;
373		322
374	if (!SvROK (sv)	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
376	&& SvSTASH (SvRV (sv)) != aio_req_stash	326	&& SvSTASH (SvRV (sv)) != aio_req_stash
377	&& !sv_derived_from (sv, "IO::AIO::REQ")))	327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
378	croak ("object of class IO::AIO::REQ expected");	328	croak ("object of class IO::AIO::REQ expected");
379		329
380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381		331
382	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
383	}	333	}
384		334
385	static aio_wd SvAIO_WD (SV *sv)	335	static aio_wd
		336	SvAIO_WD (SV *sv)
386	{	337	{
387	if (!SvROK (sv)	338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
388	|| SvSTASH (SvRV (sv)) != aio_wd_stash	340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
389	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
390	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391		342
392	return (aio_wd)(long)SvIVX (SvRV (sv));	343	return (aio_wd)(long)SvIVX (SvRV (sv));
393	}	344	}
394		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
395	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
396	{	373	{
397	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
398	{	375	{
399	dSP;	376	dSP;
400		377
…		…
408	FREETMPS;	385	FREETMPS;
409	LEAVE;	386	LEAVE;
410	}	387	}
411	}	388	}
412		389
		390	static void
413	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
414	{	392	{
415	eio_submit (req);	393	eio_submit (req);
416		394
417	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
418	{	396	{
…		…
425	PUTBACK;	403	PUTBACK;
426	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
427	}	405	}
428	}	406	}
429		407
		408	static int
430	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
431	{	410	{
432	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
433	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
434		413
435	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
…		…
457	}	436	}
458		437
459	switch (req->type)	438	switch (req->type)
460	{	439	{
461	case EIO_WD_OPEN:	440	case EIO_WD_OPEN:
462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));	441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463	break;	442	break;
464		443
465	case EIO_READDIR:	444	case EIO_READDIR:
466	{	445	{
467	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
…		…
522	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))));
523	}	502	}
524	break;	503	break;
525		504
526	case EIO_OPEN:	505	case EIO_OPEN:
527	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
528	/* convert fd to fh */
529	SV *fh = &PL_sv_undef;
530
531	if (req->result >= 0)
532	{
533	GV *gv = (GV *)sv_newmortal ();
534	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
535	char sym [64];
536	int symlen;
537
538	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
539	gv_init (gv, aio_stash, sym, symlen, 0);
540
541	symlen = snprintf (
542	sym,
543	sizeof (sym),
544	"%s&=%d",
545	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
546	(int)req->result
547	);
548
549	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
550	fh = (SV *)gv;
551	}
552
553	PUSHs (fh);
554	}
555	break;	507	break;
556		508
557	case EIO_STATVFS:	509	case EIO_STATVFS:
558	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
559	{	511	{
…		…
562	#ifndef _WIN32	514	#ifndef _WIN32
563	if (req->result >= 0)	515	if (req->result >= 0)
564	{	516	{
565	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
566	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));
567		524
568	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
569		526
570	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);
571	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);
…		…
573	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);
574	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);
575	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);
576	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);
577	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);
578	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
579	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);
580	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);
581	}	538	}
582	#endif	539	#endif
583		540
…		…
611	break;	568	break;
612		569
613	case EIO_STAT:	570	case EIO_STAT:
614	case EIO_LSTAT:	571	case EIO_LSTAT:
615	case EIO_FSTAT:	572	case EIO_FSTAT:
616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
617	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
618	/* 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 */
619	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
620	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)));
621	break;	584	break;
622		585
623	case EIO_READ:	586	case EIO_READ:
624	{	587	{
625	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));
…		…
628	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
629	PUSHs (sv_result);	592	PUSHs (sv_result);
630	}	593	}
631	break;	594	break;
632		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
633	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 */
634	if (req->result > 0)	637	if (req->result > 0)
635	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
636	/* FALLTHROUGH */	639	/* FALLTHROUGH */
637		640
…		…
658	}	661	}
659		662
660	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
661	}	664	}
662		665
		666	static void
663	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
664	{	668	{
665	if (req->self)	669	if (req->self)
666	{	670	{
667	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
668	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
…		…
672	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
673	SvREFCNT_dec (req->sv3);	677	SvREFCNT_dec (req->sv3);
674	SvREFCNT_dec (req->sv4);	678	SvREFCNT_dec (req->sv4);
675	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
676		680
677	Safefree (req);	681	free (req);
678	}	682	}
679		683
		684	static void
680	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
681	{	686	{
682	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
683	return;	688	return;
684		689
685	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
686	grp->sv2 = 0;	691	grp->sv2 = 0;
687		692
688	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
689	}	694	}
690		695
		696	static void ecb_cold
691	static void create_respipe (void)	697	create_respipe (void)
692	{	698	{
693	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
694	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
695	}	701	}
696		702
697	static void poll_wait (void)	703	static void
		704	poll_wait (void)
698	{	705	{
699	while (eio_nreqs ())	706	while (eio_nreqs ())
700	{	707	{
701	int size;	708	int size;
702		709
703	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
704	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
705	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
706		713
707	if (size)	714	if (size)
708	return;	715	return;
709		716
710	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
711		718
712	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
713	}	720	}
714	}	721	}
715		722
716	static int poll_cb (void)	723	static int
		724	poll_cb (void)
717	{	725	{
718	for (;;)	726	for (;;)
719	{	727	{
720	int res = eio_poll ();	728	int res = eio_poll ();
721		729
…		…
739	}	747	}
740		748
741	/*****************************************************************************/	749	/*****************************************************************************/
742		750
743	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
745	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
746	#endif	754	#endif
747		755
748	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
749	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
750	# define PROT_NONE 0
751	# define PROT_WRITE 0
752	# define MAP_PRIVATE 0
753	# define MAP_SHARED 0
754	# define MAP_FIXED 0
755	#endif	758	#endif
756		759
757	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
758		761
		762	static int ecb_cold
759	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
760	{	764	{
761	int old_errno = errno;	765	int old_errno = errno;
762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763	errno = old_errno;	767	errno = old_errno;
764		768
…		…
780	0, 0, 0, 0, mmap_free	784	0, 0, 0, 0, mmap_free
781	};	785	};
782		786
783	/*****************************************************************************/	787	/*****************************************************************************/
784		788
		789	static SV *
785	static SV * get_cb (SV *cb_sv)	790	get_cb (SV *cb_sv)
786	{	791	{
787	SvGETMAGIC (cb_sv);	792	SvGETMAGIC (cb_sv);
788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789	}	794	}
790		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
791	#define dREQ \	816	#define dREQ \
792	SV *cb_cv; \	817	aio_req req = dreq (callback); \
793	aio_req req; \
794	int req_pri = next_pri; \
795	next_pri = EIO_PRI_DEFAULT; \
796	\
797	cb_cv = get_cb (callback); \
798	\
799	Newz (0, req, 1, eio_req); \
800	if (!req) \
801	croak ("out of memory during eio_req allocation"); \
802	\
803	req->callback = SvREFCNT_inc (cb_cv); \
804	req->pri = req_pri
805		818
806	#define REQ_SEND \	819	#define REQ_SEND \
807	PUTBACK; \	820	PUTBACK; \
808	req_submit (req); \	821	req_submit (req); \
809	SPAGAIN; \	822	SPAGAIN; \
810	\	823	\
811	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
812	XPUSHs (req_sv (req, aio_req_stash));	825	XPUSHs (req_sv (req, aio_req_stash));
813		826
814	static void	827	ecb_inline void
815	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
816	{	829	{
817	if (SvROK (path))	830	if (expect_false (SvROK (path)))
818	{	831	{
819	AV *av = (AV *)SvRV (path);	832	SV *rv = SvRV (path);
820	SV *wdob;	833	SV *wdob;
821		834
822	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)	835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");	836	{
824
825	path = AvARRAY (av)[1];	837	path = AvARRAY (rv)[1];
826	wdob = AvARRAY (av)[0];	838	wdob = AvARRAY (rv)[0];
827		839
		840	if (SvOK (wdob))
		841	{
828	*wd = SvAIO_WD (wdob);	842	*wd = SvAIO_WD (wdob);
829	*wdsv = SvREFCNT_inc_NN (SvRV (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");
830	}	857	}
831		858
832	*pathsv = newSVsv (path);	859	*pathsv = newSVsv (path);
833	*ptr = SvPVbyte_nolen (*pathsv);	860	*ptr = SvPVbyte_nolen (*pathsv);
834	}	861	}
835		862
836	static void	863	static void ecb_noinline
837	req_set_path1 (aio_req req, SV *path)	864	req_set_path1 (aio_req req, SV *path)
838	{	865	{
839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840	}	867	}
841		868
842	static void	869	static void ecb_noinline
843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844	{	871	{
845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846		873
847	switch (SvTYPE (rv))	874	switch (SvTYPE (rv))
…		…
857	default:	884	default:
858	req->type = type_path;	885	req->type = type_path;
859	req_set_path1 (req, fh_or_path);	886	req_set_path1 (req, fh_or_path);
860	break;	887	break;
861	}	888	}
862
863	}	889	}
		890
		891	XS(boot_IO__AIO) ecb_cold;
864		892
865	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
866		894
867	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
868		896
…		…
873	IV iv;	901	IV iv;
874	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
875	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
876	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
877	# 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)
878	const_iv (EXDEV)	910	const_iv (EXDEV)
879	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
		930	/* the second block will be 0 when missing */
880	const_iv (O_RDONLY)	931	const_iv (O_RDONLY)
881	const_iv (O_WRONLY)	932	const_iv (O_WRONLY)
882	const_iv (O_RDWR)	933	const_iv (O_RDWR)
883	const_iv (O_CREAT)	934	const_iv (O_CREAT)
884	const_iv (O_TRUNC)	935	const_iv (O_TRUNC)
…		…
897	const_iv (O_SEARCH)	948	const_iv (O_SEARCH)
898	const_iv (O_DIRECTORY)	949	const_iv (O_DIRECTORY)
899	const_iv (O_DSYNC)	950	const_iv (O_DSYNC)
900	const_iv (O_RSYNC)	951	const_iv (O_RSYNC)
901	const_iv (O_SYNC)	952	const_iv (O_SYNC)
		953	const_iv (O_PATH)
		954	const_iv (O_TMPFILE)
902	const_iv (O_TTY_INIT)	955	const_iv (O_TTY_INIT)
903		956
904	const_iv (S_IFIFO)	957	const_iv (S_IFIFO)
905	const_iv (S_IFCHR)	958	const_iv (S_IFCHR)
906	const_iv (S_IFBLK)	959	const_iv (S_IFBLK)
…		…
908	const_iv (S_IFREG)	961	const_iv (S_IFREG)
909	const_iv (S_IFDIR)	962	const_iv (S_IFDIR)
910	const_iv (S_IFWHT)	963	const_iv (S_IFWHT)
911	const_iv (S_IFSOCK)	964	const_iv (S_IFSOCK)
912	const_iv (S_IFMT)	965	const_iv (S_IFMT)
913
914	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
915	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
916	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
917	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
918	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
919	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
920
921	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
922	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
923	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
924	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
925	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
926		966
927	const_iv (ST_RDONLY)	967	const_iv (ST_RDONLY)
928	const_iv (ST_NOSUID)	968	const_iv (ST_NOSUID)
929	const_iv (ST_NODEV)	969	const_iv (ST_NODEV)
930	const_iv (ST_NOEXEC)	970	const_iv (ST_NOEXEC)
…		…
940	const_iv (PROT_NONE)	980	const_iv (PROT_NONE)
941	const_iv (PROT_EXEC)	981	const_iv (PROT_EXEC)
942	const_iv (PROT_READ)	982	const_iv (PROT_READ)
943	const_iv (PROT_WRITE)	983	const_iv (PROT_WRITE)
944		984
945	/*const_iv (MAP_FIXED)*/
946	const_iv (MAP_PRIVATE)	985	const_iv (MAP_PRIVATE)
947	const_iv (MAP_SHARED)	986	const_iv (MAP_SHARED)
		987	const_iv (MAP_FIXED)
948	const_iv (MAP_ANONYMOUS)	988	const_iv (MAP_ANONYMOUS)
949		989
950	/* linuxish */	990	/* linuxish */
951	const_iv (MAP_HUGETLB)
952	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
953	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
954	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
955	const_iv (MAP_NONBLOCK)	994	const_iv (MAP_NONBLOCK)
		995	const_iv (MAP_GROWSDOWN)
		996	const_iv (MAP_32BIT)
		997	const_iv (MAP_HUGETLB)
		998	const_iv (MAP_STACK)
		999
		1000	const_iv (F_DUPFD_CLOEXEC)
		1001
		1002	const_iv (F_OFD_GETLK)
		1003	const_iv (F_OFD_SETLK)
		1004	const_iv (F_OFD_GETLKW)
		1005
		1006	const_iv (FIFREEZE)
		1007	const_iv (FITHAW)
		1008	const_iv (FITRIM)
		1009	const_iv (FICLONE)
		1010	const_iv (FICLONERANGE)
		1011	const_iv (FIDEDUPERANGE)
		1012
		1013	const_iv (FS_IOC_GETFLAGS)
		1014	const_iv (FS_IOC_SETFLAGS)
		1015	const_iv (FS_IOC_GETVERSION)
		1016	const_iv (FS_IOC_SETVERSION)
		1017	const_iv (FS_IOC_FIEMAP)
		1018	const_iv (FS_IOC_FSGETXATTR)
		1019	const_iv (FS_IOC_FSSETXATTR)
		1020	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1021	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1022	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1023
		1024	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1025
		1026	const_iv (FS_SECRM_FL)
		1027	const_iv (FS_UNRM_FL)
		1028	const_iv (FS_COMPR_FL)
		1029	const_iv (FS_SYNC_FL)
		1030	const_iv (FS_IMMUTABLE_FL)
		1031	const_iv (FS_APPEND_FL)
		1032	const_iv (FS_NODUMP_FL)
		1033	const_iv (FS_NOATIME_FL)
		1034	const_iv (FS_DIRTY_FL)
		1035	const_iv (FS_COMPRBLK_FL)
		1036	const_iv (FS_NOCOMP_FL)
		1037	const_iv (FS_ENCRYPT_FL)
		1038	const_iv (FS_BTREE_FL)
		1039	const_iv (FS_INDEX_FL)
		1040	const_iv (FS_JOURNAL_DATA_FL)
		1041	const_iv (FS_NOTAIL_FL)
		1042	const_iv (FS_DIRSYNC_FL)
		1043	const_iv (FS_TOPDIR_FL)
		1044	const_iv (FS_FL_USER_MODIFIABLE)
		1045
		1046	const_iv (FS_XFLAG_REALTIME)
		1047	const_iv (FS_XFLAG_PREALLOC)
		1048	const_iv (FS_XFLAG_IMMUTABLE)
		1049	const_iv (FS_XFLAG_APPEND)
		1050	const_iv (FS_XFLAG_SYNC)
		1051	const_iv (FS_XFLAG_NOATIME)
		1052	const_iv (FS_XFLAG_NODUMP)
		1053	const_iv (FS_XFLAG_RTINHERIT)
		1054	const_iv (FS_XFLAG_PROJINHERIT)
		1055	const_iv (FS_XFLAG_NOSYMLINKS)
		1056	const_iv (FS_XFLAG_EXTSIZE)
		1057	const_iv (FS_XFLAG_EXTSZINHERIT)
		1058	const_iv (FS_XFLAG_NODEFRAG)
		1059	const_iv (FS_XFLAG_FILESTREAM)
		1060	const_iv (FS_XFLAG_DAX)
		1061	const_iv (FS_XFLAG_HASATTR)
		1062
		1063	const_iv (FIEMAP_FLAG_SYNC)
		1064	const_iv (FIEMAP_FLAG_XATTR)
		1065	const_iv (FIEMAP_FLAGS_COMPAT)
		1066	const_iv (FIEMAP_EXTENT_LAST)
		1067	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1068	const_iv (FIEMAP_EXTENT_DELALLOC)
		1069	const_iv (FIEMAP_EXTENT_ENCODED)
		1070	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1071	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1072	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1073	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1074	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1075	const_iv (FIEMAP_EXTENT_MERGED)
		1076	const_iv (FIEMAP_EXTENT_SHARED)
		1077
		1078	const_iv (SPLICE_F_MOVE)
		1079	const_iv (SPLICE_F_NONBLOCK)
		1080	const_iv (SPLICE_F_MORE)
		1081	const_iv (SPLICE_F_GIFT)
		1082
		1083	/* these are libeio constants, and are independent of gendef0 */
		1084	const_eio (SEEK_SET)
		1085	const_eio (SEEK_CUR)
		1086	const_eio (SEEK_END)
956		1087
957	const_eio (MCL_FUTURE)	1088	const_eio (MCL_FUTURE)
958	const_eio (MCL_CURRENT)	1089	const_eio (MCL_CURRENT)
959		1090
960	const_eio (MS_ASYNC)	1091	const_eio (MS_ASYNC)
…		…
966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1097	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
967	const_eio (SYNC_FILE_RANGE_WRITE)	1098	const_eio (SYNC_FILE_RANGE_WRITE)
968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1099	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
969		1100
970	const_eio (FALLOC_FL_KEEP_SIZE)	1101	const_eio (FALLOC_FL_KEEP_SIZE)
		1102	const_eio (FALLOC_FL_PUNCH_HOLE)
		1103	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1104	const_eio (FALLOC_FL_ZERO_RANGE)
		1105
		1106	const_eio (RENAME_NOREPLACE)
		1107	const_eio (RENAME_EXCHANGE)
		1108	const_eio (RENAME_WHITEOUT)
971		1109
972	const_eio (READDIR_DENTS)	1110	const_eio (READDIR_DENTS)
973	const_eio (READDIR_DIRS_FIRST)	1111	const_eio (READDIR_DIRS_FIRST)
974	const_eio (READDIR_STAT_ORDER)	1112	const_eio (READDIR_STAT_ORDER)
975	const_eio (READDIR_FOUND_UNKNOWN)	1113	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1043	PROTOTYPE: $	1181	PROTOTYPE: $
1044	CODE:	1182	CODE:
1045	max_outstanding = maxreqs;	1183	max_outstanding = maxreqs;
1046		1184
1047	void	1185	void
1048	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1186	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1049	PPCODE:	1187	PPCODE:
1050	{	1188	{
1051	dREQ;	1189	dREQ;
1052		1190
1053	req->type = EIO_WD_OPEN;	1191	req->type = EIO_WD_OPEN;
…		…
1055		1193
1056	REQ_SEND;	1194	REQ_SEND;
1057	}	1195	}
1058		1196
1059	void	1197	void
1060	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1198	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1061	PPCODE:	1199	PPCODE:
1062	{	1200	{
1063	dREQ;	1201	dREQ;
1064		1202
1065	req->type = EIO_OPEN;	1203	req->type = EIO_OPEN;
…		…
1069		1207
1070	REQ_SEND;	1208	REQ_SEND;
1071	}	1209	}
1072		1210
1073	void	1211	void
1074	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1212	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1075	ALIAS:	1213	ALIAS:
1076	aio_fsync = EIO_FSYNC	1214	aio_fsync = EIO_FSYNC
1077	aio_fdatasync = EIO_FDATASYNC	1215	aio_fdatasync = EIO_FDATASYNC
1078	aio_syncfs = EIO_SYNCFS	1216	aio_syncfs = EIO_SYNCFS
1079	PPCODE:	1217	PPCODE:
1080	{	1218	{
1081	int fd = s_fileno_croak (fh, 0);	1219	int fd = s_fileno_croak (fh, 0);
1082	dREQ;	1220	dREQ;
1083		1221
1084	req->type = ix;	1222	req->type = ix;
1085	req->sv1 = newSVsv (fh);	1223	req->sv1 = newSVsv (fh);
1086	req->int1 = fd;	1224	req->int1 = fd;
1087		1225
1088	REQ_SEND (req);	1226	REQ_SEND;
1089	}	1227	}
1090		1228
1091	void	1229	void
1092	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1230	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1093	PPCODE:	1231	PPCODE:
1094	{	1232	{
1095	int fd = s_fileno_croak (fh, 0);	1233	int fd = s_fileno_croak (fh, 0);
1096	dREQ;	1234	dREQ;
1097		1235
1098	req->type = EIO_SYNC_FILE_RANGE;	1236	req->type = EIO_SYNC_FILE_RANGE;
1099	req->sv1 = newSVsv (fh);	1237	req->sv1 = newSVsv (fh);
1100	req->int1 = fd;	1238	req->int1 = fd;
1101	req->offs = offset;	1239	req->offs = offset;
1102	req->size = nbytes;	1240	req->size = nbytes;
1103	req->int2 = flags;	1241	req->int2 = flags;
1104		1242
1105	REQ_SEND (req);	1243	REQ_SEND;
1106	}	1244	}
1107		1245
1108	void	1246	void
1109	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1247	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1110	PPCODE:	1248	PPCODE:
1111	{	1249	{
1112	int fd = s_fileno_croak (fh, 0);	1250	int fd = s_fileno_croak (fh, 0);
1113	dREQ;	1251	dREQ;
1114		1252
1115	req->type = EIO_FALLOCATE;	1253	req->type = EIO_FALLOCATE;
1116	req->sv1 = newSVsv (fh);	1254	req->sv1 = newSVsv (fh);
1117	req->int1 = fd;	1255	req->int1 = fd;
1118	req->int2 = mode;	1256	req->int2 = mode;
1119	req->offs = offset;	1257	req->offs = offset;
1120	req->size = len;	1258	req->size = len;
1121		1259
1122	REQ_SEND (req);	1260	REQ_SEND;
1123	}	1261	}
1124		1262
1125	void	1263	void
1126	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1264	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1127	PPCODE:	1265	PPCODE:
1128	{	1266	{
1129	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1267	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1130	int fd = s_fileno_croak (fh, 0);	1268	int fd = s_fileno_croak (fh, 0);
1131	dREQ;	1269	dREQ;
1132		1270
1133	if (expect_false (close_fd < 0))	1271	if (expect_false (close_fd < 0))
1134	{	1272	{
1135	int pipefd [2];	1273	int pipefd [2];
…		…
1151	req->type = EIO_DUP2;	1289	req->type = EIO_DUP2;
1152	req->int1 = close_fd;	1290	req->int1 = close_fd;
1153	req->sv2 = newSVsv (fh);	1291	req->sv2 = newSVsv (fh);
1154	req->int2 = fd;	1292	req->int2 = fd;
1155		1293
1156	REQ_SEND (req);	1294	REQ_SEND;
1157	}	1295	}
1158		1296
1159	void	1297	void
		1298	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1299	PPCODE:
		1300	{
		1301	int fd = s_fileno_croak (fh, 0);
		1302	dREQ;
		1303
		1304	req->type = EIO_SEEK;
		1305	req->sv1 = newSVsv (fh);
		1306	req->int1 = fd;
		1307	req->offs = SvVAL64 (offset);
		1308	req->int2 = whence;
		1309
		1310	REQ_SEND;
		1311	}
		1312
		1313	void
1160	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1314	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1161	ALIAS:	1315	ALIAS:
1162	aio_read = EIO_READ	1316	aio_read = EIO_READ
1163	aio_write = EIO_WRITE	1317	aio_write = EIO_WRITE
1164	PPCODE:	1318	PPCODE:
1165	{	1319	{
…		…
1181	len = svlen - dataoffset;	1335	len = svlen - dataoffset;
1182	}	1336	}
1183	else	1337	else
1184	{	1338	{
1185	/* read: check type and grow scalar as necessary */	1339	/* read: check type and grow scalar as necessary */
1186	SvUPGRADE (data, SVt_PV);	1340	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1187	svptr = SvGROW (data, len + dataoffset + 1);	1341	svptr = sv_grow (data, len + dataoffset + 1);
		1342	else if (SvCUR (data) < len + dataoffset)
		1343	croak ("length + dataoffset outside of scalar, and cannot grow");
1188	}	1344	}
1189		1345
1190	{	1346	{
1191	dREQ;	1347	dREQ;
1192		1348
…		…
1208	REQ_SEND;	1364	REQ_SEND;
1209	}	1365	}
1210	}	1366	}
1211		1367
1212	void	1368	void
		1369	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1370	ALIAS:
		1371	aio_ioctl = EIO_IOCTL
		1372	aio_fcntl = EIO_FCNTL
		1373	PPCODE:
		1374	{
		1375	int fd = s_fileno_croak (fh, 0);
		1376	char *svptr;
		1377
		1378	if (SvPOK (arg) || !SvNIOK (arg))
		1379	{
		1380	STRLEN svlen;
		1381	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1382	#ifdef IOCPARM_LEN
		1383	STRLEN need = IOCPARM_LEN (request);
		1384	#else
		1385	STRLEN need = 256;
		1386	#endif
		1387
		1388	if (svlen < need)
		1389	svptr = SvGROW (arg, need);
		1390	}
		1391	else
		1392	svptr = (char *)SvIV (arg);
		1393
		1394	{
		1395	dREQ;
		1396
		1397	req->type = ix;
		1398	req->sv1 = newSVsv (fh);
		1399	req->int1 = fd;
		1400	req->int2 = (long)request;
		1401	req->sv2 = SvREFCNT_inc (arg);
		1402	req->ptr2 = svptr;
		1403
		1404	REQ_SEND;
		1405	}
		1406	}
		1407
		1408	void
1213	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1409	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1214	ALIAS:	1410	ALIAS:
1215	aio_readlink = EIO_READLINK	1411	aio_readlink = EIO_READLINK
1216	aio_realpath = EIO_REALPATH	1412	aio_realpath = EIO_REALPATH
1217	PPCODE:	1413	PPCODE:
1218	{	1414	{
…		…
1223		1419
1224	REQ_SEND;	1420	REQ_SEND;
1225	}	1421	}
1226		1422
1227	void	1423	void
1228	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1424	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1229	PPCODE:	1425	PPCODE:
1230	{	1426	{
1231	int ifd = s_fileno_croak (in_fh , 0);	1427	int ifd = s_fileno_croak (in_fh , 0);
1232	int ofd = s_fileno_croak (out_fh, 1);	1428	int ofd = s_fileno_croak (out_fh, 1);
1233	dREQ;	1429	dREQ;
1234		1430
1235	req->type = EIO_SENDFILE;	1431	req->type = EIO_SENDFILE;
1236	req->sv1 = newSVsv (out_fh);	1432	req->sv1 = newSVsv (out_fh);
1237	req->int1 = ofd;	1433	req->int1 = ofd;
…		…
1242		1438
1243	REQ_SEND;	1439	REQ_SEND;
1244	}	1440	}
1245		1441
1246	void	1442	void
1247	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1443	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1248	PPCODE:	1444	PPCODE:
1249	{	1445	{
1250	int fd = s_fileno_croak (fh, 0);	1446	int fd = s_fileno_croak (fh, 0);
1251	dREQ;	1447	dREQ;
1252		1448
1253	req->type = EIO_READAHEAD;	1449	req->type = EIO_READAHEAD;
1254	req->sv1 = newSVsv (fh);	1450	req->sv1 = newSVsv (fh);
1255	req->int1 = fd;	1451	req->int1 = fd;
…		…
1258		1454
1259	REQ_SEND;	1455	REQ_SEND;
1260	}	1456	}
1261		1457
1262	void	1458	void
1263	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1459	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1264	ALIAS:	1460	ALIAS:
1265	aio_stat = EIO_STAT	1461	aio_stat = EIO_STAT
1266	aio_lstat = EIO_LSTAT	1462	aio_lstat = EIO_LSTAT
1267	aio_statvfs = EIO_STATVFS	1463	aio_statvfs = EIO_STATVFS
1268	PPCODE:	1464	PPCODE:
1269	{	1465	{
1270	dREQ;	1466	dREQ;
1271		1467
1272	req->sv1 = newSVsv (fh_or_path);
1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1468	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1469
1274	REQ_SEND;	1470	REQ_SEND;
1275	}	1471	}
1276		1472
1277	UV	1473	UV
1278	major (UV dev)	1474	major (UV dev)
1279	ALIAS:	1475	ALIAS:
1280	minor = 1	1476	minor = 1
1281	CODE:	1477	CODE:
1282	RETVAL = ix ? major (dev) : minor (dev);	1478	RETVAL = ix ? minor (dev) : major (dev);
1283	OUTPUT:	1479	OUTPUT:
1284	RETVAL	1480	RETVAL
1285		1481
1286	UV	1482	UV
1287	makedev (UV maj, UV min)	1483	makedev (UV maj, UV min)
…		…
1289	RETVAL = makedev (maj, min);	1485	RETVAL = makedev (maj, min);
1290	OUTPUT:	1486	OUTPUT:
1291	RETVAL	1487	RETVAL
1292		1488
1293	void	1489	void
1294	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1490	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1295	PPCODE:	1491	PPCODE:
1296	{	1492	{
1297	dREQ;	1493	dREQ;
1298		1494
1299	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1495	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1302		1498
1303	REQ_SEND;	1499	REQ_SEND;
1304	}	1500	}
1305		1501
1306	void	1502	void
1307	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1503	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1308	PPCODE:	1504	PPCODE:
1309	{	1505	{
1310	dREQ;	1506	dREQ;
1311		1507
1312	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1508	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1314		1510
1315	REQ_SEND;	1511	REQ_SEND;
1316	}	1512	}
1317		1513
1318	void	1514	void
1319	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1515	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1320	ALIAS:
1321	aio_chmod = EIO_CHMOD
1322	aio_mkdir = EIO_MKDIR
1323	PPCODE:	1516	PPCODE:
1324	{	1517	{
1325	dREQ;	1518	dREQ;
1326		1519
1327	req->int2 = mode;	1520	req->int2 = mode;
…		…
1329		1522
1330	REQ_SEND;	1523	REQ_SEND;
1331	}	1524	}
1332		1525
1333	void	1526	void
1334	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1527	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1335	PPCODE:	1528	PPCODE:
1336	{	1529	{
1337	dREQ;	1530	dREQ;
1338		1531
1339	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1532	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1342		1535
1343	REQ_SEND;	1536	REQ_SEND;
1344	}	1537	}
1345		1538
1346	void	1539	void
1347	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1540	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1348	PPCODE:	1541	PPCODE:
1349	{	1542	{
1350	dREQ;	1543	dREQ;
1351		1544
1352	req->type = EIO_READDIR;	1545	req->type = EIO_READDIR;
1353	req->sv1 = newSVsv (pathname);
1354	req->ptr1 = SvPVbyte_nolen (req->sv1);
1355	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1546	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1356		1547
1357	if (flags & EIO_READDIR_DENTS)	1548	if (flags & EIO_READDIR_DENTS)
1358	req->int1 |= EIO_READDIR_CUSTOM2;	1549	req->int1 |= EIO_READDIR_CUSTOM2;
1359		1550
		1551	req_set_path1 (req, pathname);
		1552
1360	REQ_SEND;	1553	REQ_SEND;
1361	}	1554	}
1362		1555
1363	void	1556	void
		1557	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1558	PPCODE:
		1559	{
		1560	dREQ;
		1561
		1562	req->type = EIO_MKDIR;
		1563	req->int2 = mode;
		1564	req_set_path1 (req, pathname);
		1565
		1566	REQ_SEND;
		1567	}
		1568
		1569	void
1364	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1570	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1365	ALIAS:	1571	ALIAS:
1366	aio_unlink = EIO_UNLINK	1572	aio_unlink = EIO_UNLINK
1367	aio_rmdir = EIO_RMDIR	1573	aio_rmdir = EIO_RMDIR
1368	aio_readdir = EIO_READDIR	1574	aio_readdir = EIO_READDIR
1369	PPCODE:	1575	PPCODE:
…		…
1375		1581
1376	REQ_SEND;	1582	REQ_SEND;
1377	}	1583	}
1378		1584
1379	void	1585	void
1380	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1586	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1381	ALIAS:	1587	ALIAS:
1382	aio_link = EIO_LINK	1588	aio_link = EIO_LINK
1383	aio_symlink = EIO_SYMLINK	1589	aio_symlink = EIO_SYMLINK
1384	aio_rename = EIO_RENAME	1590	aio_rename = EIO_RENAME
1385	PPCODE:	1591	PPCODE:
1386	{	1592	{
		1593	eio_wd wd2 = 0;
1387	dREQ;	1594	dREQ;
1388	eio_wd wd2;
1389		1595
1390	req->type = ix;	1596	req->type = ix;
1391	req_set_path1 (req, oldpath);	1597	req_set_path1 (req, oldpath);
1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1598	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393	req->int3 = (long)wd2;	1599	req->int3 = (long)wd2;
1394		1600
1395	REQ_SEND;	1601	REQ_SEND;
1396	}	1602	}
1397		1603
1398	void	1604	void
		1605	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1606	PPCODE:
		1607	{
		1608	eio_wd wd2 = 0;
		1609	dREQ;
		1610
		1611	req->type = EIO_RENAME;
		1612	req_set_path1 (req, oldpath);
		1613	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1614	req->int2 = flags;
		1615	req->int3 = (long)wd2;
		1616
		1617	REQ_SEND;
		1618	}
		1619
		1620	void
1399	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1621	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1400	PPCODE:	1622	PPCODE:
1401	{	1623	{
1402	dREQ;	1624	dREQ;
1403		1625
1404	req->type = EIO_MKNOD;	1626	req->type = EIO_MKNOD;
…		…
1408		1630
1409	REQ_SEND;	1631	REQ_SEND;
1410	}	1632	}
1411		1633
1412	void	1634	void
1413	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1635	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1414	ALIAS:	1636	ALIAS:
1415	aio_mtouch = EIO_MTOUCH	1637	aio_mtouch = EIO_MTOUCH
1416	aio_msync = EIO_MSYNC	1638	aio_msync = EIO_MSYNC
1417	PPCODE:	1639	PPCODE:
1418	{	1640	{
1419	STRLEN svlen;	1641	STRLEN svlen;
1420	char *svptr = SvPVbyte (data, svlen);	1642	char *svptr = SvPVbyte (data, svlen);
1421	UV len = SvUV (length);	1643	UV len = SvUV (length);
		1644
		1645	if (flags < 0)
		1646	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1422		1647
1423	if (offset < 0)	1648	if (offset < 0)
1424	offset += svlen;	1649	offset += svlen;
1425		1650
1426	if (offset < 0 || offset > svlen)	1651	if (offset < 0 || offset > svlen)
…		…
1441	REQ_SEND;	1666	REQ_SEND;
1442	}	1667	}
1443	}	1668	}
1444		1669
1445	void	1670	void
1446	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1671	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1447	PPCODE:	1672	PPCODE:
1448	{	1673	{
1449	STRLEN svlen;	1674	STRLEN svlen;
1450	char *svptr = SvPVbyte (data, svlen);	1675	char *svptr = SvPVbyte (data, svlen);
1451	UV len = SvUV (length);	1676	UV len = SvUV (length);
…		…
1470	REQ_SEND;	1695	REQ_SEND;
1471	}	1696	}
1472	}	1697	}
1473		1698
1474	void	1699	void
1475	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1700	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1476	PPCODE:	1701	PPCODE:
1477	{	1702	{
1478	dREQ;	1703	dREQ;
1479		1704
1480	req->type = EIO_MLOCKALL;	1705	req->type = EIO_MLOCKALL;
…		…
1482		1707
1483	REQ_SEND;	1708	REQ_SEND;
1484	}	1709	}
1485		1710
1486	void	1711	void
		1712	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1713	PPCODE:
		1714	{
		1715	int fd = s_fileno_croak (fh, 0);
		1716	dREQ;
		1717
		1718	req->type = EIO_CUSTOM;
		1719	req->sv1 = newSVsv (fh);
		1720	req->int1 = fd;
		1721
		1722	req->feed = fiemap;
		1723	#if HAVE_FIEMAP
		1724	/* keep our fingers crossed that the next two types are 64 bit */
		1725	req->offs = start;
		1726	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1727	req->int2 = flags;
		1728	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1729	#endif
		1730
		1731	REQ_SEND;
		1732	}
		1733
		1734	void
1487	aio_busy (double delay, SV *callback=&PL_sv_undef)	1735	aio_busy (double delay, SV *callback = &PL_sv_undef)
1488	PPCODE:	1736	PPCODE:
1489	{	1737	{
1490	dREQ;	1738	dREQ;
1491		1739
1492	req->type = EIO_BUSY;	1740	req->type = EIO_BUSY;
…		…
1494		1742
1495	REQ_SEND;	1743	REQ_SEND;
1496	}	1744	}
1497		1745
1498	void	1746	void
1499	aio_group (SV *callback=&PL_sv_undef)	1747	aio_group (SV *callback = &PL_sv_undef)
1500	PPCODE:	1748	PPCODE:
1501	{	1749	{
1502	dREQ;	1750	dREQ;
1503		1751
1504	req->type = EIO_GROUP;	1752	req->type = EIO_GROUP;
1505		1753
		1754	PUTBACK;
1506	req_submit (req);	1755	req_submit (req);
		1756	SPAGAIN;
		1757
1507	XPUSHs (req_sv (req, aio_grp_stash));	1758	XPUSHs (req_sv (req, aio_grp_stash));
1508	}	1759	}
1509		1760
1510	void	1761	void
1511	aio_nop (SV *callback=&PL_sv_undef)	1762	aio_nop (SV *callback = &PL_sv_undef)
1512	ALIAS:	1763	ALIAS:
1513	aio_nop = EIO_NOP	1764	aio_nop = EIO_NOP
1514	aio_sync = EIO_SYNC	1765	aio_sync = EIO_SYNC
1515	PPCODE:	1766	PPCODE:
1516	{	1767	{
…		…
1520		1771
1521	REQ_SEND;	1772	REQ_SEND;
1522	}	1773	}
1523		1774
1524	int	1775	int
1525	aioreq_pri (int pri = 0)	1776	aioreq_pri (int pri = NO_INIT)
1526	CODE:	1777	CODE:
1527	RETVAL = next_pri;	1778	RETVAL = next_pri;
1528	if (items > 0)	1779	if (items > 0)
1529	{	1780	{
1530	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1781	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1871	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1621	OUTPUT:	1872	OUTPUT:
1622	RETVAL	1873	RETVAL
1623		1874
1624	void	1875	void
1625	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1876	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1626	PPCODE:	1877	PPCODE:
1627	sv_unmagic (scalar, MMAP_MAGIC);	1878	sv_unmagic (scalar, MMAP_MAGIC);
1628	{	1879	{
1629	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1880	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1630	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1881	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1657	munmap (SV *scalar)	1908	munmap (SV *scalar)
1658	CODE:	1909	CODE:
1659	sv_unmagic (scalar, MMAP_MAGIC);	1910	sv_unmagic (scalar, MMAP_MAGIC);
1660		1911
1661	int	1912	int
1662	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1913	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1663	ALIAS:	1914	ALIAS:
1664	mprotect = 1	1915	mprotect = 1
1665	CODE:	1916	CODE:
1666	{	1917	{
1667	STRLEN svlen;	1918	STRLEN svlen;
1668	void *addr = SvPVbyte (scalar, svlen);	1919	void *addr = SvPVbyte (scalar, svlen);
1669	size_t len = SvUV (length);	1920	STRLEN len = SvUV (length);
1670		1921
1671	if (offset < 0)	1922	if (offset < 0)
1672	offset += svlen;	1923	offset += svlen;
1673		1924
1674	if (offset < 0 || offset > svlen)	1925	if (offset < 0 || offset > svlen)
…		…
1688	}	1939	}
1689	OUTPUT:	1940	OUTPUT:
1690	RETVAL	1941	RETVAL
1691		1942
1692	int	1943	int
1693	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1944	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1694	CODE:	1945	CODE:
1695	{	1946	{
1696	STRLEN svlen;	1947	STRLEN svlen;
1697	void *addr = SvPVbyte (scalar, svlen);	1948	void *addr = SvPVbyte (scalar, svlen);
1698	size_t len = SvUV (length);	1949	size_t len = SvUV (length);
1699		1950
1700	if (offset < 0)	1951	if (offset < 0)
1701	offset += svlen;	1952	offset += svlen;
1702		1953
…		…
1709	addr = (void *)(((intptr_t)addr) + offset);	1960	addr = (void *)(((intptr_t)addr) + offset);
1710	eio_page_align (&addr, &len);	1961	eio_page_align (&addr, &len);
1711	#if _POSIX_MEMLOCK_RANGE	1962	#if _POSIX_MEMLOCK_RANGE
1712	RETVAL = munlock (addr, len);	1963	RETVAL = munlock (addr, len);
1713	#else	1964	#else
1714	RETVAL = ((errno = ENOSYS), -1);	1965	RETVAL = EIO_ENOSYS ();
1715	#endif	1966	#endif
1716	}	1967	}
1717	OUTPUT:	1968	OUTPUT:
1718	RETVAL	1969	RETVAL
1719		1970
…		…
1721	munlockall ()	1972	munlockall ()
1722	CODE:	1973	CODE:
1723	#if _POSIX_MEMLOCK	1974	#if _POSIX_MEMLOCK
1724	munlockall ();	1975	munlockall ();
1725	#else	1976	#else
1726	RETVAL = -1;	1977	RETVAL = EIO_ENOSYS ();
1727	errno = ENOSYS;
1728	#endif	1978	#endif
1729	OUTPUT:	1979	OUTPUT:
1730	RETVAL	1980	RETVAL
		1981
		1982	int
		1983	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1984	CODE:
		1985	{
		1986	#if HAVE_LINUX_SPLICE
		1987	loff_t off_in_, off_out_;
		1988	RETVAL = splice (
		1989	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1990	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1991	length, flags
		1992	);
		1993	#else
		1994	RETVAL = EIO_ENOSYS ();
		1995	#endif
		1996	}
		1997	OUTPUT:
		1998	RETVAL
		1999
		2000	int
		2001	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2002	CODE:
		2003	#if HAVE_LINUX_SPLICE
		2004	RETVAL = tee (rfh, wfh, length, flags);
		2005	#else
		2006	RETVAL = EIO_ENOSYS ();
		2007	#endif
		2008	OUTPUT:
		2009	RETVAL
		2010
		2011	int
		2012	pipesize (aio_rfd rfh, int new_size = -1)
		2013	PROTOTYPE: $;$
		2014	CODE:
		2015	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2016	if (new_size >= 0)
		2017	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2018	else
		2019	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2020	#else
		2021	errno = ENOSYS;
		2022	RETVAL = -1;
		2023	#endif
		2024	OUTPUT:
		2025	RETVAL
		2026
		2027	void
		2028	pipe2 (int flags = 0)
		2029	PROTOTYPE: ;$
		2030	PPCODE:
		2031	{
		2032	int fd[2];
		2033	int res;
		2034
		2035	if (flags)
		2036	#if HAVE_PIPE2
		2037	res = pipe2 (fd, flags);
		2038	#else
		2039	res = (errno = ENOSYS, -1);
		2040	#endif
		2041	else
		2042	res = pipe (fd);
		2043
		2044	if (!res)
		2045	{
		2046	EXTEND (SP, 2);
		2047	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2048	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2049	}
		2050	}
1731		2051
1732	void _on_next_submit (SV *cb)	2052	void _on_next_submit (SV *cb)
1733	CODE:	2053	CODE:
1734	SvREFCNT_dec (on_next_submit);	2054	SvREFCNT_dec (on_next_submit);
1735	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2055	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1736		2056
1737	PROTOTYPES: DISABLE	2057	PROTOTYPES: DISABLE
1738		2058
1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD	2059	MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740		2060
		2061	BOOT:
		2062	{
		2063	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2064	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2065	}
		2066
1741	void	2067	void
1742	DESTROY (SV *self)	2068	DESTROY (SV *self)
1743	CODE:	2069	CODE:
1744	{	2070	{
1745	aio_wd wd = SvAIO_WD (self);	2071	aio_wd wd = SvAIO_WD (self);
1746	#if HAVE_AT	2072	#if HAVE_AT
		2073	{
1747	SV *callback = &PL_sv_undef;	2074	SV *callback = &PL_sv_undef;
1748	dREQ; /* clobbers next_pri :/ */	2075	dREQ; /* clobbers next_pri :/ */
		2076	next_pri = req->pri; /* restore next_pri */
		2077	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749	req->type = EIO_WD_CLOSE;	2078	req->type = EIO_WD_CLOSE;
1750	req->wd = wd;	2079	req->wd = wd;
1751	REQ_SEND;	2080	REQ_SEND;
		2081	}
1752	#else	2082	#else
1753	eio_wd_close_sync (wd);	2083	eio_wd_close_sync (wd);
1754	#endif	2084	#endif
1755	}	2085	}
1756		2086
…		…
1760	cancel (aio_req_ornot req)	2090	cancel (aio_req_ornot req)
1761	CODE:	2091	CODE:
1762	eio_cancel (req);	2092	eio_cancel (req);
1763		2093
1764	void	2094	void
1765	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2095	cb (aio_req_ornot req, SV *callback = NO_INIT)
1766	PPCODE:	2096	PPCODE:
1767	{	2097	{
1768	if (GIMME_V != G_VOID)	2098	if (GIMME_V != G_VOID)
1769	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2099	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1770		2100
1771	if (items > 1)	2101	if (items > 1)
1772	{	2102	{
1773	SV *cb_cv =get_cb (callback);	2103	SV *cb_cv = get_cb (callback);
1774		2104
1775	SvREFCNT_dec (req->callback);	2105	SvREFCNT_dec (req->callback);
1776	req->callback = SvREFCNT_inc (cb_cv);	2106	req->callback = SvREFCNT_inc (cb_cv);
1777	}	2107	}
1778	}	2108	}
…		…
1835	limit (aio_req grp, int limit)	2165	limit (aio_req grp, int limit)
1836	CODE:	2166	CODE:
1837	eio_grp_limit (grp, limit);	2167	eio_grp_limit (grp, limit);
1838		2168
1839	void	2169	void
1840	feed (aio_req grp, SV *callback=&PL_sv_undef)	2170	feed (aio_req grp, SV *callback = &PL_sv_undef)
1841	CODE:	2171	CODE:
1842	{	2172	{
1843	SvREFCNT_dec (grp->sv2);	2173	SvREFCNT_dec (grp->sv2);
1844	grp->sv2 = newSVsv (callback);	2174	grp->sv2 = newSVsv (callback);
1845	grp->feed = aio_grp_feed;	2175	grp->feed = aio_grp_feed;

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