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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.209 by root, Sun Apr 1 17:46:02 2012 UTC vs.
Revision 1.246 by root, Fri Jun 23 21:43:51 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
…		…
77		91
78	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
79		93
80	#endif	94	#endif
81		95
82	/* use NV for 32 bit perls as it allows larger offsets */
83	#if IVSIZE >= 8
84	# define VAL64 IV
85	# define SvVAL64 SvIV
86	# define newSVval64 newSViv
87	#else
88	# define VAL64 NV
89	# define SvVAL64 SvNV
90	# define newSVval64 newSVnv
91	#endif
92
93	/*****************************************************************************/	96	/*****************************************************************************/
94		97
95	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
96	# define expect(expr,value) __builtin_expect ((expr),(value))	99	# define expect(expr,value) __builtin_expect ((expr),(value))
97	#else	100	#else
…		…
126	static void req_destroy (eio_req *grp);	129	static void req_destroy (eio_req *grp);
127	#define EIO_DESTROY(req) req_destroy (req)	130	#define EIO_DESTROY(req) req_destroy (req)
128		131
129	#include "libeio/eio.c"	132	#include "libeio/eio.c"
130		133
131	/* Linux/others */
132	#ifndef O_ASYNC
133	# define O_ASYNC 0
134	#endif
135	#ifndef O_DIRECT
136	# define O_DIRECT 0
137	#endif
138	#ifndef O_NOATIME
139	# define O_NOATIME 0
140	#endif
141
142	/* POSIX */
143	#ifndef O_CLOEXEC
144	# define O_CLOEXEC 0
145	#endif
146	#ifndef O_NOFOLLOW
147	# define O_NOFOLLOW 0
148	#endif
149	#ifndef O_NOCTTY
150	# define O_NOCTTY 0
151	#endif
152	#ifndef O_NONBLOCK
153	# define O_NONBLOCK 0
154	#endif
155	#ifndef O_EXEC
156	# define O_EXEC 0
157	#endif
158	#ifndef O_SEARCH
159	# define O_SEARCH 0
160	#endif
161	#ifndef O_DIRECTORY
162	# define O_DIRECTORY 0
163	#endif
164	#ifndef O_DSYNC
165	# define O_DSYNC 0
166	#endif
167	#ifndef O_RSYNC
168	# define O_RSYNC 0
169	#endif
170	#ifndef O_SYNC
171	# define O_SYNC 0
172	#endif
173	#ifndef O_TTY_INIT
174	# define O_TTY_INIT 0
175	#endif
176
177	#ifndef POSIX_FADV_NORMAL
178	# define POSIX_FADV_NORMAL 0
179	#endif
180	#ifndef POSIX_FADV_SEQUENTIAL
181	# define POSIX_FADV_SEQUENTIAL 0
182	#endif
183	#ifndef POSIX_FADV_RANDOM
184	# define POSIX_FADV_RANDOM 0
185	#endif
186	#ifndef POSIX_FADV_NOREUSE
187	# define POSIX_FADV_NOREUSE 0
188	#endif
189	#ifndef POSIX_FADV_WILLNEED
190	# define POSIX_FADV_WILLNEED 0
191	#endif
192	#ifndef POSIX_FADV_DONTNEED
193	# define POSIX_FADV_DONTNEED 0
194	#endif
195
196	#if !HAVE_POSIX_FADVISE	134	#if !HAVE_POSIX_FADVISE
197	# 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 */
198	#endif	136	#endif
199		137
200	#ifndef POSIX_MADV_NORMAL
201	# define POSIX_MADV_NORMAL 0
202	#endif
203	#ifndef POSIX_MADV_SEQUENTIAL
204	# define POSIX_MADV_SEQUENTIAL 0
205	#endif
206	#ifndef POSIX_MADV_RANDOM
207	# define POSIX_MADV_RANDOM 0
208	#endif
209	#ifndef POSIX_MADV_WILLNEED
210	# define POSIX_MADV_WILLNEED 0
211	#endif
212	#ifndef POSIX_MADV_DONTNEED
213	# define POSIX_MADV_DONTNEED 0
214	#endif
215
216	#if !HAVE_POSIX_MADVISE	138	#if !HAVE_POSIX_MADVISE
217	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
218	#endif
219
220	#ifndef PROT_NONE
221	# define PROT_NONE 0
222	#endif
223	#ifndef PROT_READ
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_WRITE
227	# define PROT_READ 0
228	#endif
229	#ifndef PROT_EXEC
230	# define PROT_EXEC 0
231	#endif
232
233	#ifndef ST_RDONLY
234	# define ST_RDONLY 0
235	#endif
236	#ifndef ST_NOSUID
237	# define ST_NOSUID 0
238	#endif
239	#ifndef ST_NODEV
240	# define ST_NODEV 0
241	#endif
242	#ifndef ST_NOEXEC
243	# define ST_NOEXEC 0
244	#endif
245	#ifndef ST_SYNCHRONOUS
246	# define ST_SYNCHRONOUS 0
247	#endif
248	#ifndef ST_MANDLOCK
249	# define ST_MANDLOCK 0
250	#endif
251	#ifndef ST_WRITE
252	# define ST_WRITE 0
253	#endif
254	#ifndef ST_APPEND
255	# define ST_APPEND 0
256	#endif
257	#ifndef ST_IMMUTABLE
258	# define ST_IMMUTABLE 0
259	#endif
260	#ifndef ST_NOATIME
261	# define ST_NOATIME 0
262	#endif
263	#ifndef ST_NODIRATIME
264	# define ST_NODIRATIME 0
265	#endif
266	#ifndef ST_RELATIME
267	# define ST_RELATIME 0
268	#endif
269
270	#ifndef S_IFIFO
271	# define S_IFIFO 0
272	#endif
273	#ifndef S_IFCHR
274	# define S_IFCHR 0
275	#endif
276	#ifndef S_IFBLK
277	# define S_IFBLK 0
278	#endif
279	#ifndef S_IFLNK
280	# define S_IFLNK 0
281	#endif
282	#ifndef S_IFREG
283	# define S_IFREG 0
284	#endif
285	#ifndef S_IFDIR
286	# define S_IFDIR 0
287	#endif
288	#ifndef S_IFWHT
289	# define S_IFWHT 0
290	#endif
291	#ifndef S_IFSOCK
292	# define S_IFSOCK 0
293	#endif	140	#endif
294		141
295	#ifndef MAP_ANONYMOUS	142	#ifndef MAP_ANONYMOUS
296	# ifdef MAP_ANON	143	# ifdef MAP_ANON
297	# define MAP_ANONYMOUS MAP_ANON	144	# define MAP_ANONYMOUS MAP_ANON
298	# else	145	# else
299	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
300	# endif	147	# endif
301	#endif	148	#endif
302	#ifndef MAP_HUGETLB	149
303	# define MAP_HUGETLB 0	150	/* defines all sorts of constants to 0 unless they are already defined */
304	#endif	151	/* also provides const_iv_ and const_niv_ macros for them */
305	#ifndef MAP_LOCKED	152	#include "def0.h"
306	# define MAP_LOCKED 0
307	#endif
308	#ifndef MAP_NORESERVE
309	# define MAP_NORESERVE 0
310	#endif
311	#ifndef MAP_POPULATE
312	# define MAP_POPULATE 0
313	#endif
314	#ifndef MAP_NONBLOCK
315	# define MAP_NONBLOCK 0
316	#endif
317		153
318	#ifndef makedev	154	#ifndef makedev
319	# define makedev(maj,min) (((maj) << 8) | (min))	155	# define makedev(maj,min) (((maj) << 8) | (min))
320	#endif	156	#endif
321	#ifndef major	157	#ifndef major
…		…
323	#endif	159	#endif
324	#ifndef minor	160	#ifndef minor
325	# define minor(dev) ((dev) & 0xff)	161	# define minor(dev) ((dev) & 0xff)
326	#endif	162	#endif
327		163
328	#ifndef PAGESIZE	164	#if PAGESIZE <= 0
329	# define PAGESIZE sysconf (_SC_PAGESIZE)	165	# define PAGESIZE sysconf (_SC_PAGESIZE)
330	#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	/*****************************************************************************/
331		267
332	enum {	268	enum {
333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
334	};	270	};
335		271
…		…
374	}	310	}
375		311
376	static SV *	312	static SV *
377	newSVaio_wd (aio_wd wd)	313	newSVaio_wd (aio_wd wd)
378	{	314	{
379	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
380	}	316	}
381		317
382	static aio_req	318	static aio_req
383	SvAIO_REQ (SV *sv)	319	SvAIO_REQ (SV *sv)
384	{	320	{
…		…
403	|| SvTYPE (SvRV (sv)) != SVt_PVMG	339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
404	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
405	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");
406		342
407	return (aio_wd)(long)SvIVX (SvRV (sv));	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;
408	}	369	}
409		370
410	static void	371	static void
411	aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
412	{	373	{
…		…
540	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))));
541	}	502	}
542	break;	503	break;
543		504
544	case EIO_OPEN:	505	case EIO_OPEN:
545	{	506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
546	/* convert fd to fh */
547	SV *fh = &PL_sv_undef;
548
549	if (req->result >= 0)
550	{
551	GV *gv = (GV *)sv_newmortal ();
552	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
553	char sym [64];
554	int symlen;
555
556	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
557	gv_init (gv, aio_stash, sym, symlen, 0);
558
559	symlen = snprintf (
560	sym,
561	sizeof (sym),
562	"%s&=%d",
563	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
564	(int)req->result
565	);
566
567	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
568	fh = (SV *)gv;
569	}
570
571	PUSHs (fh);
572	}
573	break;	507	break;
574		508
575	case EIO_STATVFS:	509	case EIO_STATVFS:
576	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
577	{	511	{
…		…
580	#ifndef _WIN32	514	#ifndef _WIN32
581	if (req->result >= 0)	515	if (req->result >= 0)
582	{	516	{
583	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
584	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));
585		524
586	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
587		526
588	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);
589	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);
…		…
591	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);
592	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);
593	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);
594	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);
595	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);
596	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
597	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);
598	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);
599	}	538	}
600	#endif	539	#endif
601		540
…		…
652	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
653	PUSHs (sv_result);	592	PUSHs (sv_result);
654	}	593	}
655	break;	594	break;
656		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
657	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 */
658	if (req->result > 0)	637	if (req->result > 0)
659	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
660	/* FALLTHROUGH */	639	/* FALLTHROUGH */
661		640
…		…
726	{	705	{
727	while (eio_nreqs ())	706	while (eio_nreqs ())
728	{	707	{
729	int size;	708	int size;
730		709
731	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
732	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
733	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
734		713
735	if (size)	714	if (size)
736	return;	715	return;
737		716
738	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
739		718
740	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
741	}	720	}
742	}	721	}
743		722
…		…
768	}	747	}
769		748
770	/*****************************************************************************/	749	/*****************************************************************************/
771		750
772	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
773	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
774	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
775	#endif	754	#endif
776		755
777	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
778	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
779	# define PROT_NONE 0
780	# define PROT_WRITE 0
781	# define MAP_PRIVATE 0
782	# define MAP_SHARED 0
783	# define MAP_FIXED 0
784	#endif	758	#endif
785		759
786	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
787		761
788	static int ecb_cold	762	static int ecb_cold
…		…
927	IV iv;	901	IV iv;
928	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
929	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
930	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
931	# 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)
932	const_iv (EXDEV)	910	const_iv (EXDEV)
933	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 */
934	const_iv (O_RDONLY)	932	const_iv (O_RDONLY)
935	const_iv (O_WRONLY)	933	const_iv (O_WRONLY)
936	const_iv (O_RDWR)	934	const_iv (O_RDWR)
937	const_iv (O_CREAT)	935	const_iv (O_CREAT)
938	const_iv (O_TRUNC)	936	const_iv (O_TRUNC)
…		…
951	const_iv (O_SEARCH)	949	const_iv (O_SEARCH)
952	const_iv (O_DIRECTORY)	950	const_iv (O_DIRECTORY)
953	const_iv (O_DSYNC)	951	const_iv (O_DSYNC)
954	const_iv (O_RSYNC)	952	const_iv (O_RSYNC)
955	const_iv (O_SYNC)	953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
956	const_iv (O_TTY_INIT)	956	const_iv (O_TTY_INIT)
957		957
958	const_iv (S_IFIFO)	958	const_iv (S_IFIFO)
959	const_iv (S_IFCHR)	959	const_iv (S_IFCHR)
960	const_iv (S_IFBLK)	960	const_iv (S_IFBLK)
…		…
962	const_iv (S_IFREG)	962	const_iv (S_IFREG)
963	const_iv (S_IFDIR)	963	const_iv (S_IFDIR)
964	const_iv (S_IFWHT)	964	const_iv (S_IFWHT)
965	const_iv (S_IFSOCK)	965	const_iv (S_IFSOCK)
966	const_iv (S_IFMT)	966	const_iv (S_IFMT)
967
968	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
969	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
970	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
971	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
972	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
973	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
974
975	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
976	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
977	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
978	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
979	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
980		967
981	const_iv (ST_RDONLY)	968	const_iv (ST_RDONLY)
982	const_iv (ST_NOSUID)	969	const_iv (ST_NOSUID)
983	const_iv (ST_NODEV)	970	const_iv (ST_NODEV)
984	const_iv (ST_NOEXEC)	971	const_iv (ST_NOEXEC)
…		…
994	const_iv (PROT_NONE)	981	const_iv (PROT_NONE)
995	const_iv (PROT_EXEC)	982	const_iv (PROT_EXEC)
996	const_iv (PROT_READ)	983	const_iv (PROT_READ)
997	const_iv (PROT_WRITE)	984	const_iv (PROT_WRITE)
998		985
999	/*const_iv (MAP_FIXED)*/
1000	const_iv (MAP_PRIVATE)	986	const_iv (MAP_PRIVATE)
1001	const_iv (MAP_SHARED)	987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
1002	const_iv (MAP_ANONYMOUS)	989	const_iv (MAP_ANONYMOUS)
1003		990
1004	/* linuxish */	991	/* linuxish */
1005	const_iv (MAP_HUGETLB)
1006	const_iv (MAP_LOCKED)	992	const_iv (MAP_LOCKED)
1007	const_iv (MAP_NORESERVE)	993	const_iv (MAP_NORESERVE)
1008	const_iv (MAP_POPULATE)	994	const_iv (MAP_POPULATE)
1009	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)
1010		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 */
1011	const_eio (SEEK_SET)	1085	const_eio (SEEK_SET)
1012	const_eio (SEEK_CUR)	1086	const_eio (SEEK_CUR)
1013	const_eio (SEEK_END)	1087	const_eio (SEEK_END)
1014		1088
1015	const_eio (MCL_FUTURE)	1089	const_eio (MCL_FUTURE)
…		…
1024	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1098	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1025	const_eio (SYNC_FILE_RANGE_WRITE)	1099	const_eio (SYNC_FILE_RANGE_WRITE)
1026	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1100	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1027		1101
1028	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)
1029		1110
1030	const_eio (READDIR_DENTS)	1111	const_eio (READDIR_DENTS)
1031	const_eio (READDIR_DIRS_FIRST)	1112	const_eio (READDIR_DIRS_FIRST)
1032	const_eio (READDIR_STAT_ORDER)	1113	const_eio (READDIR_STAT_ORDER)
1033	const_eio (READDIR_FOUND_UNKNOWN)	1114	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1101	PROTOTYPE: $	1182	PROTOTYPE: $
1102	CODE:	1183	CODE:
1103	max_outstanding = maxreqs;	1184	max_outstanding = maxreqs;
1104		1185
1105	void	1186	void
1106	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1187	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1107	PPCODE:	1188	PPCODE:
1108	{	1189	{
1109	dREQ;	1190	dREQ;
1110		1191
1111	req->type = EIO_WD_OPEN;	1192	req->type = EIO_WD_OPEN;
…		…
1113		1194
1114	REQ_SEND;	1195	REQ_SEND;
1115	}	1196	}
1116		1197
1117	void	1198	void
1118	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1199	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1119	PPCODE:	1200	PPCODE:
1120	{	1201	{
1121	dREQ;	1202	dREQ;
1122		1203
1123	req->type = EIO_OPEN;	1204	req->type = EIO_OPEN;
…		…
1127		1208
1128	REQ_SEND;	1209	REQ_SEND;
1129	}	1210	}
1130		1211
1131	void	1212	void
1132	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1213	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1133	ALIAS:	1214	ALIAS:
1134	aio_fsync = EIO_FSYNC	1215	aio_fsync = EIO_FSYNC
1135	aio_fdatasync = EIO_FDATASYNC	1216	aio_fdatasync = EIO_FDATASYNC
1136	aio_syncfs = EIO_SYNCFS	1217	aio_syncfs = EIO_SYNCFS
1137	PPCODE:	1218	PPCODE:
1138	{	1219	{
1139	int fd = s_fileno_croak (fh, 0);	1220	int fd = s_fileno_croak (fh, 0);
1140	dREQ;	1221	dREQ;
1141		1222
1142	req->type = ix;	1223	req->type = ix;
1143	req->sv1 = newSVsv (fh);	1224	req->sv1 = newSVsv (fh);
1144	req->int1 = fd;	1225	req->int1 = fd;
1145		1226
1146	REQ_SEND;	1227	REQ_SEND;
1147	}	1228	}
1148		1229
1149	void	1230	void
1150	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)
1151	PPCODE:	1232	PPCODE:
1152	{	1233	{
1153	int fd = s_fileno_croak (fh, 0);	1234	int fd = s_fileno_croak (fh, 0);
1154	dREQ;	1235	dREQ;
1155		1236
1156	req->type = EIO_SYNC_FILE_RANGE;	1237	req->type = EIO_SYNC_FILE_RANGE;
1157	req->sv1 = newSVsv (fh);	1238	req->sv1 = newSVsv (fh);
1158	req->int1 = fd;	1239	req->int1 = fd;
…		…
1162		1243
1163	REQ_SEND;	1244	REQ_SEND;
1164	}	1245	}
1165		1246
1166	void	1247	void
1167	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)
1168	PPCODE:	1249	PPCODE:
1169	{	1250	{
1170	int fd = s_fileno_croak (fh, 0);	1251	int fd = s_fileno_croak (fh, 0);
1171	dREQ;	1252	dREQ;
1172		1253
1173	req->type = EIO_FALLOCATE;	1254	req->type = EIO_FALLOCATE;
1174	req->sv1 = newSVsv (fh);	1255	req->sv1 = newSVsv (fh);
1175	req->int1 = fd;	1256	req->int1 = fd;
…		…
1179		1260
1180	REQ_SEND;	1261	REQ_SEND;
1181	}	1262	}
1182		1263
1183	void	1264	void
1184	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1265	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1185	PPCODE:	1266	PPCODE:
1186	{	1267	{
1187	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 */
1188	int fd = s_fileno_croak (fh, 0);	1269	int fd = s_fileno_croak (fh, 0);
1189	dREQ;	1270	dREQ;
1190		1271
1191	if (expect_false (close_fd < 0))	1272	if (expect_false (close_fd < 0))
1192	{	1273	{
1193	int pipefd [2];	1274	int pipefd [2];
…		…
1213		1294
1214	REQ_SEND;	1295	REQ_SEND;
1215	}	1296	}
1216		1297
1217	void	1298	void
1218	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1299	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1219	PPCODE:	1300	PPCODE:
1220	{	1301	{
1221	STRLEN svlen;
1222	int fd = s_fileno_croak (fh, 0);	1302	int fd = s_fileno_croak (fh, 0);
1223	dREQ;	1303	dREQ;
1224		1304
1225	req->type = EIO_SEEK;	1305	req->type = EIO_SEEK;
1226	req->sv1 = newSVsv (fh);	1306	req->sv1 = newSVsv (fh);
…		…
1230		1310
1231	REQ_SEND;	1311	REQ_SEND;
1232	}	1312	}
1233		1313
1234	void	1314	void
1235	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)
1236	ALIAS:	1316	ALIAS:
1237	aio_read = EIO_READ	1317	aio_read = EIO_READ
1238	aio_write = EIO_WRITE	1318	aio_write = EIO_WRITE
1239	PPCODE:	1319	PPCODE:
1240	{	1320	{
…		…
1256	len = svlen - dataoffset;	1336	len = svlen - dataoffset;
1257	}	1337	}
1258	else	1338	else
1259	{	1339	{
1260	/* read: check type and grow scalar as necessary */	1340	/* read: check type and grow scalar as necessary */
1261	SvUPGRADE (data, SVt_PV);	1341	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1262	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");
1263	}	1345	}
1264		1346
1265	{	1347	{
1266	dREQ;	1348	dREQ;
1267		1349
…		…
1283	REQ_SEND;	1365	REQ_SEND;
1284	}	1366	}
1285	}	1367	}
1286		1368
1287	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
1288	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1410	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1289	ALIAS:	1411	ALIAS:
1290	aio_readlink = EIO_READLINK	1412	aio_readlink = EIO_READLINK
1291	aio_realpath = EIO_REALPATH	1413	aio_realpath = EIO_REALPATH
1292	PPCODE:	1414	PPCODE:
1293	{	1415	{
…		…
1298		1420
1299	REQ_SEND;	1421	REQ_SEND;
1300	}	1422	}
1301		1423
1302	void	1424	void
1303	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)
1304	PPCODE:	1426	PPCODE:
1305	{	1427	{
1306	int ifd = s_fileno_croak (in_fh , 0);	1428	int ifd = s_fileno_croak (in_fh , 0);
1307	int ofd = s_fileno_croak (out_fh, 1);	1429	int ofd = s_fileno_croak (out_fh, 1);
1308	dREQ;	1430	dREQ;
1309		1431
1310	req->type = EIO_SENDFILE;	1432	req->type = EIO_SENDFILE;
1311	req->sv1 = newSVsv (out_fh);	1433	req->sv1 = newSVsv (out_fh);
1312	req->int1 = ofd;	1434	req->int1 = ofd;
…		…
1317		1439
1318	REQ_SEND;	1440	REQ_SEND;
1319	}	1441	}
1320		1442
1321	void	1443	void
1322	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)
1323	PPCODE:	1445	PPCODE:
1324	{	1446	{
1325	int fd = s_fileno_croak (fh, 0);	1447	int fd = s_fileno_croak (fh, 0);
1326	dREQ;	1448	dREQ;
1327		1449
1328	req->type = EIO_READAHEAD;	1450	req->type = EIO_READAHEAD;
1329	req->sv1 = newSVsv (fh);	1451	req->sv1 = newSVsv (fh);
1330	req->int1 = fd;	1452	req->int1 = fd;
…		…
1333		1455
1334	REQ_SEND;	1456	REQ_SEND;
1335	}	1457	}
1336		1458
1337	void	1459	void
1338	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1460	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1339	ALIAS:	1461	ALIAS:
1340	aio_stat = EIO_STAT	1462	aio_stat = EIO_STAT
1341	aio_lstat = EIO_LSTAT	1463	aio_lstat = EIO_LSTAT
1342	aio_statvfs = EIO_STATVFS	1464	aio_statvfs = EIO_STATVFS
1343	PPCODE:	1465	PPCODE:
…		…
1352	UV	1474	UV
1353	major (UV dev)	1475	major (UV dev)
1354	ALIAS:	1476	ALIAS:
1355	minor = 1	1477	minor = 1
1356	CODE:	1478	CODE:
1357	RETVAL = ix ? major (dev) : minor (dev);	1479	RETVAL = ix ? minor (dev) : major (dev);
1358	OUTPUT:	1480	OUTPUT:
1359	RETVAL	1481	RETVAL
1360		1482
1361	UV	1483	UV
1362	makedev (UV maj, UV min)	1484	makedev (UV maj, UV min)
…		…
1364	RETVAL = makedev (maj, min);	1486	RETVAL = makedev (maj, min);
1365	OUTPUT:	1487	OUTPUT:
1366	RETVAL	1488	RETVAL
1367		1489
1368	void	1490	void
1369	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)
1370	PPCODE:	1492	PPCODE:
1371	{	1493	{
1372	dREQ;	1494	dREQ;
1373		1495
1374	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1496	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1377		1499
1378	REQ_SEND;	1500	REQ_SEND;
1379	}	1501	}
1380		1502
1381	void	1503	void
1382	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)
1383	PPCODE:	1505	PPCODE:
1384	{	1506	{
1385	dREQ;	1507	dREQ;
1386		1508
1387	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1509	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1389		1511
1390	REQ_SEND;	1512	REQ_SEND;
1391	}	1513	}
1392		1514
1393	void	1515	void
1394	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)
1395	PPCODE:	1517	PPCODE:
1396	{	1518	{
1397	dREQ;	1519	dREQ;
1398		1520
1399	req->int2 = mode;	1521	req->int2 = mode;
…		…
1401		1523
1402	REQ_SEND;	1524	REQ_SEND;
1403	}	1525	}
1404		1526
1405	void	1527	void
1406	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)
1407	PPCODE:	1529	PPCODE:
1408	{	1530	{
1409	dREQ;	1531	dREQ;
1410		1532
1411	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1533	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1414		1536
1415	REQ_SEND;	1537	REQ_SEND;
1416	}	1538	}
1417		1539
1418	void	1540	void
1419	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1541	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1420	PPCODE:	1542	PPCODE:
1421	{	1543	{
1422	dREQ;	1544	dREQ;
1423		1545
1424	req->type = EIO_READDIR;	1546	req->type = EIO_READDIR;
…		…
1431		1553
1432	REQ_SEND;	1554	REQ_SEND;
1433	}	1555	}
1434		1556
1435	void	1557	void
1436	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1558	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1437	PPCODE:	1559	PPCODE:
1438	{	1560	{
1439	dREQ;	1561	dREQ;
1440		1562
1441	req->type = EIO_MKDIR;	1563	req->type = EIO_MKDIR;
…		…
1444		1566
1445	REQ_SEND;	1567	REQ_SEND;
1446	}	1568	}
1447		1569
1448	void	1570	void
1449	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1571	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1450	ALIAS:	1572	ALIAS:
1451	aio_unlink = EIO_UNLINK	1573	aio_unlink = EIO_UNLINK
1452	aio_rmdir = EIO_RMDIR	1574	aio_rmdir = EIO_RMDIR
1453	aio_readdir = EIO_READDIR	1575	aio_readdir = EIO_READDIR
1454	PPCODE:	1576	PPCODE:
…		…
1460		1582
1461	REQ_SEND;	1583	REQ_SEND;
1462	}	1584	}
1463		1585
1464	void	1586	void
1465	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1587	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1466	ALIAS:	1588	ALIAS:
1467	aio_link = EIO_LINK	1589	aio_link = EIO_LINK
1468	aio_symlink = EIO_SYMLINK	1590	aio_symlink = EIO_SYMLINK
1469	aio_rename = EIO_RENAME	1591	aio_rename = EIO_RENAME
1470	PPCODE:	1592	PPCODE:
…		…
1479		1601
1480	REQ_SEND;	1602	REQ_SEND;
1481	}	1603	}
1482		1604
1483	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
1484	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)
1485	PPCODE:	1623	PPCODE:
1486	{	1624	{
1487	dREQ;	1625	dREQ;
1488		1626
1489	req->type = EIO_MKNOD;	1627	req->type = EIO_MKNOD;
…		…
1493		1631
1494	REQ_SEND;	1632	REQ_SEND;
1495	}	1633	}
1496		1634
1497	void	1635	void
1498	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)
1499	ALIAS:	1637	ALIAS:
1500	aio_mtouch = EIO_MTOUCH	1638	aio_mtouch = EIO_MTOUCH
1501	aio_msync = EIO_MSYNC	1639	aio_msync = EIO_MSYNC
1502	PPCODE:	1640	PPCODE:
1503	{	1641	{
1504	STRLEN svlen;	1642	STRLEN svlen;
1505	char *svptr = SvPVbyte (data, svlen);	1643	char *svptr = SvPVbyte (data, svlen);
1506	UV len = SvUV (length);	1644	UV len = SvUV (length);
		1645
		1646	if (flags < 0)
		1647	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1507		1648
1508	if (offset < 0)	1649	if (offset < 0)
1509	offset += svlen;	1650	offset += svlen;
1510		1651
1511	if (offset < 0 || offset > svlen)	1652	if (offset < 0 || offset > svlen)
…		…
1526	REQ_SEND;	1667	REQ_SEND;
1527	}	1668	}
1528	}	1669	}
1529		1670
1530	void	1671	void
1531	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)
1532	PPCODE:	1673	PPCODE:
1533	{	1674	{
1534	STRLEN svlen;	1675	STRLEN svlen;
1535	char *svptr = SvPVbyte (data, svlen);	1676	char *svptr = SvPVbyte (data, svlen);
1536	UV len = SvUV (length);	1677	UV len = SvUV (length);
…		…
1555	REQ_SEND;	1696	REQ_SEND;
1556	}	1697	}
1557	}	1698	}
1558		1699
1559	void	1700	void
1560	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1701	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1561	PPCODE:	1702	PPCODE:
1562	{	1703	{
1563	dREQ;	1704	dREQ;
1564		1705
1565	req->type = EIO_MLOCKALL;	1706	req->type = EIO_MLOCKALL;
…		…
1567		1708
1568	REQ_SEND;	1709	REQ_SEND;
1569	}	1710	}
1570		1711
1571	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
1572	aio_busy (double delay, SV *callback=&PL_sv_undef)	1736	aio_busy (double delay, SV *callback = &PL_sv_undef)
1573	PPCODE:	1737	PPCODE:
1574	{	1738	{
1575	dREQ;	1739	dREQ;
1576		1740
1577	req->type = EIO_BUSY;	1741	req->type = EIO_BUSY;
…		…
1579		1743
1580	REQ_SEND;	1744	REQ_SEND;
1581	}	1745	}
1582		1746
1583	void	1747	void
1584	aio_group (SV *callback=&PL_sv_undef)	1748	aio_group (SV *callback = &PL_sv_undef)
1585	PPCODE:	1749	PPCODE:
1586	{	1750	{
1587	dREQ;	1751	dREQ;
1588		1752
1589	req->type = EIO_GROUP;	1753	req->type = EIO_GROUP;
1590		1754
		1755	PUTBACK;
1591	req_submit (req);	1756	req_submit (req);
		1757	SPAGAIN;
		1758
1592	XPUSHs (req_sv (req, aio_grp_stash));	1759	XPUSHs (req_sv (req, aio_grp_stash));
1593	}	1760	}
1594		1761
1595	void	1762	void
1596	aio_nop (SV *callback=&PL_sv_undef)	1763	aio_nop (SV *callback = &PL_sv_undef)
1597	ALIAS:	1764	ALIAS:
1598	aio_nop = EIO_NOP	1765	aio_nop = EIO_NOP
1599	aio_sync = EIO_SYNC	1766	aio_sync = EIO_SYNC
1600	PPCODE:	1767	PPCODE:
1601	{	1768	{
…		…
1605		1772
1606	REQ_SEND;	1773	REQ_SEND;
1607	}	1774	}
1608		1775
1609	int	1776	int
1610	aioreq_pri (int pri = 0)	1777	aioreq_pri (int pri = NO_INIT)
1611	CODE:	1778	CODE:
1612	RETVAL = next_pri;	1779	RETVAL = next_pri;
1613	if (items > 0)	1780	if (items > 0)
1614	{	1781	{
1615	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1782	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1705	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1872	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1706	OUTPUT:	1873	OUTPUT:
1707	RETVAL	1874	RETVAL
1708		1875
1709	void	1876	void
1710	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)
1711	PPCODE:	1878	PPCODE:
1712	sv_unmagic (scalar, MMAP_MAGIC);	1879	sv_unmagic (scalar, MMAP_MAGIC);
1713	{	1880	{
1714	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;
1715	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1882	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1742	munmap (SV *scalar)	1909	munmap (SV *scalar)
1743	CODE:	1910	CODE:
1744	sv_unmagic (scalar, MMAP_MAGIC);	1911	sv_unmagic (scalar, MMAP_MAGIC);
1745		1912
1746	int	1913	int
1747	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)
1748	ALIAS:	1915	ALIAS:
1749	mprotect = 1	1916	mprotect = 1
1750	CODE:	1917	CODE:
1751	{	1918	{
1752	STRLEN svlen;	1919	STRLEN svlen;
1753	void *addr = SvPVbyte (scalar, svlen);	1920	void *addr = SvPVbyte (scalar, svlen);
1754	size_t len = SvUV (length);	1921	STRLEN len = SvUV (length);
1755		1922
1756	if (offset < 0)	1923	if (offset < 0)
1757	offset += svlen;	1924	offset += svlen;
1758		1925
1759	if (offset < 0 || offset > svlen)	1926	if (offset < 0 || offset > svlen)
…		…
1773	}	1940	}
1774	OUTPUT:	1941	OUTPUT:
1775	RETVAL	1942	RETVAL
1776		1943
1777	int	1944	int
1778	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1945	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1779	CODE:	1946	CODE:
1780	{	1947	{
1781	STRLEN svlen;	1948	STRLEN svlen;
1782	void *addr = SvPVbyte (scalar, svlen);	1949	void *addr = SvPVbyte (scalar, svlen);
1783	size_t len = SvUV (length);	1950	size_t len = SvUV (length);
1784		1951
1785	if (offset < 0)	1952	if (offset < 0)
1786	offset += svlen;	1953	offset += svlen;
1787		1954
…		…
1794	addr = (void *)(((intptr_t)addr) + offset);	1961	addr = (void *)(((intptr_t)addr) + offset);
1795	eio_page_align (&addr, &len);	1962	eio_page_align (&addr, &len);
1796	#if _POSIX_MEMLOCK_RANGE	1963	#if _POSIX_MEMLOCK_RANGE
1797	RETVAL = munlock (addr, len);	1964	RETVAL = munlock (addr, len);
1798	#else	1965	#else
1799	RETVAL = ((errno = ENOSYS), -1);	1966	RETVAL = EIO_ENOSYS ();
1800	#endif	1967	#endif
1801	}	1968	}
1802	OUTPUT:	1969	OUTPUT:
1803	RETVAL	1970	RETVAL
1804		1971
…		…
1806	munlockall ()	1973	munlockall ()
1807	CODE:	1974	CODE:
1808	#if _POSIX_MEMLOCK	1975	#if _POSIX_MEMLOCK
1809	munlockall ();	1976	munlockall ();
1810	#else	1977	#else
1811	RETVAL = -1;	1978	RETVAL = EIO_ENOSYS ();
1812	errno = ENOSYS;
1813	#endif	1979	#endif
1814	OUTPUT:	1980	OUTPUT:
1815	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	}
1816		2052
1817	void _on_next_submit (SV *cb)	2053	void _on_next_submit (SV *cb)
1818	CODE:	2054	CODE:
1819	SvREFCNT_dec (on_next_submit);	2055	SvREFCNT_dec (on_next_submit);
1820	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2056	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1855	cancel (aio_req_ornot req)	2091	cancel (aio_req_ornot req)
1856	CODE:	2092	CODE:
1857	eio_cancel (req);	2093	eio_cancel (req);
1858		2094
1859	void	2095	void
1860	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2096	cb (aio_req_ornot req, SV *callback = NO_INIT)
1861	PPCODE:	2097	PPCODE:
1862	{	2098	{
1863	if (GIMME_V != G_VOID)	2099	if (GIMME_V != G_VOID)
1864	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);
1865		2101
1866	if (items > 1)	2102	if (items > 1)
1867	{	2103	{
1868	SV *cb_cv =get_cb (callback);	2104	SV *cb_cv = get_cb (callback);
1869		2105
1870	SvREFCNT_dec (req->callback);	2106	SvREFCNT_dec (req->callback);
1871	req->callback = SvREFCNT_inc (cb_cv);	2107	req->callback = SvREFCNT_inc (cb_cv);
1872	}	2108	}
1873	}	2109	}
…		…
1930	limit (aio_req grp, int limit)	2166	limit (aio_req grp, int limit)
1931	CODE:	2167	CODE:
1932	eio_grp_limit (grp, limit);	2168	eio_grp_limit (grp, limit);
1933		2169
1934	void	2170	void
1935	feed (aio_req grp, SV *callback=&PL_sv_undef)	2171	feed (aio_req grp, SV *callback = &PL_sv_undef)
1936	CODE:	2172	CODE:
1937	{	2173	{
1938	SvREFCNT_dec (grp->sv2);	2174	SvREFCNT_dec (grp->sv2);
1939	grp->sv2 = newSVsv (callback);	2175	grp->sv2 = newSVsv (callback);
1940	grp->feed = aio_grp_feed;	2176	grp->feed = aio_grp_feed;

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