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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.208 by root, Sat Jan 7 18:42:43 2012 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
…		…
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
…		…
636	if (!(PL_laststatval = req->result))	575	if (!(PL_laststatval = req->result))
637	/* 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 */
638	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
639		578
640	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)));
641	break;	584	break;
642		585
643	case EIO_READ:	586	case EIO_READ:
644	{	587	{
645	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));
…		…
648	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
649	PUSHs (sv_result);	592	PUSHs (sv_result);
650	}	593	}
651	break;	594	break;
652		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
653	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 */
654	if (req->result > 0)	637	if (req->result > 0)
655	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
656	/* FALLTHROUGH */	639	/* FALLTHROUGH */
657		640
…		…
722	{	705	{
723	while (eio_nreqs ())	706	while (eio_nreqs ())
724	{	707	{
725	int size;	708	int size;
726		709
727	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
728	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
729	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
730		713
731	if (size)	714	if (size)
732	return;	715	return;
733		716
734	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
735		718
736	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
737	}	720	}
738	}	721	}
739		722
…		…
764	}	747	}
765		748
766	/*****************************************************************************/	749	/*****************************************************************************/
767		750
768	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
769	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
770	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
771	#endif	754	#endif
772		755
773	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
774	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
775	# define PROT_NONE 0
776	# define PROT_WRITE 0
777	# define MAP_PRIVATE 0
778	# define MAP_SHARED 0
779	# define MAP_FIXED 0
780	#endif	758	#endif
781		759
782	#define MMAP_MAGIC PERL_MAGIC_ext	760	#define MMAP_MAGIC PERL_MAGIC_ext
783		761
784	static int ecb_cold	762	static int ecb_cold
…		…
923	IV iv;	901	IV iv;
924	} *civ, const_iv[] = {	902	} *civ, const_iv[] = {
925	# define const_niv(name, value) { # name, (IV) value },	903	# define const_niv(name, value) { # name, (IV) value },
926	# define const_iv(name) { # name, (IV) name },	904	# define const_iv(name) { # name, (IV) name },
927	# 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)
928	const_iv (EXDEV)	910	const_iv (EXDEV)
929	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 */
930	const_iv (O_RDONLY)	931	const_iv (O_RDONLY)
931	const_iv (O_WRONLY)	932	const_iv (O_WRONLY)
932	const_iv (O_RDWR)	933	const_iv (O_RDWR)
933	const_iv (O_CREAT)	934	const_iv (O_CREAT)
934	const_iv (O_TRUNC)	935	const_iv (O_TRUNC)
…		…
947	const_iv (O_SEARCH)	948	const_iv (O_SEARCH)
948	const_iv (O_DIRECTORY)	949	const_iv (O_DIRECTORY)
949	const_iv (O_DSYNC)	950	const_iv (O_DSYNC)
950	const_iv (O_RSYNC)	951	const_iv (O_RSYNC)
951	const_iv (O_SYNC)	952	const_iv (O_SYNC)
		953	const_iv (O_PATH)
		954	const_iv (O_TMPFILE)
952	const_iv (O_TTY_INIT)	955	const_iv (O_TTY_INIT)
953		956
954	const_iv (S_IFIFO)	957	const_iv (S_IFIFO)
955	const_iv (S_IFCHR)	958	const_iv (S_IFCHR)
956	const_iv (S_IFBLK)	959	const_iv (S_IFBLK)
…		…
958	const_iv (S_IFREG)	961	const_iv (S_IFREG)
959	const_iv (S_IFDIR)	962	const_iv (S_IFDIR)
960	const_iv (S_IFWHT)	963	const_iv (S_IFWHT)
961	const_iv (S_IFSOCK)	964	const_iv (S_IFSOCK)
962	const_iv (S_IFMT)	965	const_iv (S_IFMT)
963
964	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
965	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
966	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
967	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
968	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
969	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
970
971	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
972	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
973	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
974	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
975	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
976		966
977	const_iv (ST_RDONLY)	967	const_iv (ST_RDONLY)
978	const_iv (ST_NOSUID)	968	const_iv (ST_NOSUID)
979	const_iv (ST_NODEV)	969	const_iv (ST_NODEV)
980	const_iv (ST_NOEXEC)	970	const_iv (ST_NOEXEC)
…		…
990	const_iv (PROT_NONE)	980	const_iv (PROT_NONE)
991	const_iv (PROT_EXEC)	981	const_iv (PROT_EXEC)
992	const_iv (PROT_READ)	982	const_iv (PROT_READ)
993	const_iv (PROT_WRITE)	983	const_iv (PROT_WRITE)
994		984
995	/*const_iv (MAP_FIXED)*/
996	const_iv (MAP_PRIVATE)	985	const_iv (MAP_PRIVATE)
997	const_iv (MAP_SHARED)	986	const_iv (MAP_SHARED)
		987	const_iv (MAP_FIXED)
998	const_iv (MAP_ANONYMOUS)	988	const_iv (MAP_ANONYMOUS)
999		989
1000	/* linuxish */	990	/* linuxish */
1001	const_iv (MAP_HUGETLB)
1002	const_iv (MAP_LOCKED)	991	const_iv (MAP_LOCKED)
1003	const_iv (MAP_NORESERVE)	992	const_iv (MAP_NORESERVE)
1004	const_iv (MAP_POPULATE)	993	const_iv (MAP_POPULATE)
1005	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)
1006		1087
1007	const_eio (MCL_FUTURE)	1088	const_eio (MCL_FUTURE)
1008	const_eio (MCL_CURRENT)	1089	const_eio (MCL_CURRENT)
1009		1090
1010	const_eio (MS_ASYNC)	1091	const_eio (MS_ASYNC)
…		…
1016	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1097	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1017	const_eio (SYNC_FILE_RANGE_WRITE)	1098	const_eio (SYNC_FILE_RANGE_WRITE)
1018	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1099	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1019		1100
1020	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)
1021		1109
1022	const_eio (READDIR_DENTS)	1110	const_eio (READDIR_DENTS)
1023	const_eio (READDIR_DIRS_FIRST)	1111	const_eio (READDIR_DIRS_FIRST)
1024	const_eio (READDIR_STAT_ORDER)	1112	const_eio (READDIR_STAT_ORDER)
1025	const_eio (READDIR_FOUND_UNKNOWN)	1113	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1093	PROTOTYPE: $	1181	PROTOTYPE: $
1094	CODE:	1182	CODE:
1095	max_outstanding = maxreqs;	1183	max_outstanding = maxreqs;
1096		1184
1097	void	1185	void
1098	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1186	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1099	PPCODE:	1187	PPCODE:
1100	{	1188	{
1101	dREQ;	1189	dREQ;
1102		1190
1103	req->type = EIO_WD_OPEN;	1191	req->type = EIO_WD_OPEN;
…		…
1105		1193
1106	REQ_SEND;	1194	REQ_SEND;
1107	}	1195	}
1108		1196
1109	void	1197	void
1110	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)
1111	PPCODE:	1199	PPCODE:
1112	{	1200	{
1113	dREQ;	1201	dREQ;
1114		1202
1115	req->type = EIO_OPEN;	1203	req->type = EIO_OPEN;
…		…
1119		1207
1120	REQ_SEND;	1208	REQ_SEND;
1121	}	1209	}
1122		1210
1123	void	1211	void
1124	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1212	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1125	ALIAS:	1213	ALIAS:
1126	aio_fsync = EIO_FSYNC	1214	aio_fsync = EIO_FSYNC
1127	aio_fdatasync = EIO_FDATASYNC	1215	aio_fdatasync = EIO_FDATASYNC
1128	aio_syncfs = EIO_SYNCFS	1216	aio_syncfs = EIO_SYNCFS
1129	PPCODE:	1217	PPCODE:
1130	{	1218	{
1131	int fd = s_fileno_croak (fh, 0);	1219	int fd = s_fileno_croak (fh, 0);
1132	dREQ;	1220	dREQ;
1133		1221
1134	req->type = ix;	1222	req->type = ix;
1135	req->sv1 = newSVsv (fh);	1223	req->sv1 = newSVsv (fh);
1136	req->int1 = fd;	1224	req->int1 = fd;
1137		1225
1138	REQ_SEND (req);	1226	REQ_SEND;
1139	}	1227	}
1140		1228
1141	void	1229	void
1142	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)
1143	PPCODE:	1231	PPCODE:
1144	{	1232	{
1145	int fd = s_fileno_croak (fh, 0);	1233	int fd = s_fileno_croak (fh, 0);
1146	dREQ;	1234	dREQ;
1147		1235
1148	req->type = EIO_SYNC_FILE_RANGE;	1236	req->type = EIO_SYNC_FILE_RANGE;
1149	req->sv1 = newSVsv (fh);	1237	req->sv1 = newSVsv (fh);
1150	req->int1 = fd;	1238	req->int1 = fd;
1151	req->offs = offset;	1239	req->offs = offset;
1152	req->size = nbytes;	1240	req->size = nbytes;
1153	req->int2 = flags;	1241	req->int2 = flags;
1154		1242
1155	REQ_SEND (req);	1243	REQ_SEND;
1156	}	1244	}
1157		1245
1158	void	1246	void
1159	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)
1160	PPCODE:	1248	PPCODE:
1161	{	1249	{
1162	int fd = s_fileno_croak (fh, 0);	1250	int fd = s_fileno_croak (fh, 0);
1163	dREQ;	1251	dREQ;
1164		1252
1165	req->type = EIO_FALLOCATE;	1253	req->type = EIO_FALLOCATE;
1166	req->sv1 = newSVsv (fh);	1254	req->sv1 = newSVsv (fh);
1167	req->int1 = fd;	1255	req->int1 = fd;
1168	req->int2 = mode;	1256	req->int2 = mode;
1169	req->offs = offset;	1257	req->offs = offset;
1170	req->size = len;	1258	req->size = len;
1171		1259
1172	REQ_SEND (req);	1260	REQ_SEND;
1173	}	1261	}
1174		1262
1175	void	1263	void
1176	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1264	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1177	PPCODE:	1265	PPCODE:
1178	{	1266	{
1179	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 */
1180	int fd = s_fileno_croak (fh, 0);	1268	int fd = s_fileno_croak (fh, 0);
1181	dREQ;	1269	dREQ;
1182		1270
1183	if (expect_false (close_fd < 0))	1271	if (expect_false (close_fd < 0))
1184	{	1272	{
1185	int pipefd [2];	1273	int pipefd [2];
…		…
1201	req->type = EIO_DUP2;	1289	req->type = EIO_DUP2;
1202	req->int1 = close_fd;	1290	req->int1 = close_fd;
1203	req->sv2 = newSVsv (fh);	1291	req->sv2 = newSVsv (fh);
1204	req->int2 = fd;	1292	req->int2 = fd;
1205		1293
1206	REQ_SEND (req);	1294	REQ_SEND;
1207	}	1295	}
1208		1296
1209	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
1210	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)
1211	ALIAS:	1315	ALIAS:
1212	aio_read = EIO_READ	1316	aio_read = EIO_READ
1213	aio_write = EIO_WRITE	1317	aio_write = EIO_WRITE
1214	PPCODE:	1318	PPCODE:
1215	{	1319	{
…		…
1231	len = svlen - dataoffset;	1335	len = svlen - dataoffset;
1232	}	1336	}
1233	else	1337	else
1234	{	1338	{
1235	/* read: check type and grow scalar as necessary */	1339	/* read: check type and grow scalar as necessary */
1236	SvUPGRADE (data, SVt_PV);	1340	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1237	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");
1238	}	1344	}
1239		1345
1240	{	1346	{
1241	dREQ;	1347	dREQ;
1242		1348
…		…
1258	REQ_SEND;	1364	REQ_SEND;
1259	}	1365	}
1260	}	1366	}
1261		1367
1262	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
1263	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1409	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1264	ALIAS:	1410	ALIAS:
1265	aio_readlink = EIO_READLINK	1411	aio_readlink = EIO_READLINK
1266	aio_realpath = EIO_REALPATH	1412	aio_realpath = EIO_REALPATH
1267	PPCODE:	1413	PPCODE:
1268	{	1414	{
…		…
1273		1419
1274	REQ_SEND;	1420	REQ_SEND;
1275	}	1421	}
1276		1422
1277	void	1423	void
1278	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)
1279	PPCODE:	1425	PPCODE:
1280	{	1426	{
1281	int ifd = s_fileno_croak (in_fh , 0);	1427	int ifd = s_fileno_croak (in_fh , 0);
1282	int ofd = s_fileno_croak (out_fh, 1);	1428	int ofd = s_fileno_croak (out_fh, 1);
1283	dREQ;	1429	dREQ;
1284		1430
1285	req->type = EIO_SENDFILE;	1431	req->type = EIO_SENDFILE;
1286	req->sv1 = newSVsv (out_fh);	1432	req->sv1 = newSVsv (out_fh);
1287	req->int1 = ofd;	1433	req->int1 = ofd;
…		…
1292		1438
1293	REQ_SEND;	1439	REQ_SEND;
1294	}	1440	}
1295		1441
1296	void	1442	void
1297	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)
1298	PPCODE:	1444	PPCODE:
1299	{	1445	{
1300	int fd = s_fileno_croak (fh, 0);	1446	int fd = s_fileno_croak (fh, 0);
1301	dREQ;	1447	dREQ;
1302		1448
1303	req->type = EIO_READAHEAD;	1449	req->type = EIO_READAHEAD;
1304	req->sv1 = newSVsv (fh);	1450	req->sv1 = newSVsv (fh);
1305	req->int1 = fd;	1451	req->int1 = fd;
…		…
1308		1454
1309	REQ_SEND;	1455	REQ_SEND;
1310	}	1456	}
1311		1457
1312	void	1458	void
1313	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1459	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1314	ALIAS:	1460	ALIAS:
1315	aio_stat = EIO_STAT	1461	aio_stat = EIO_STAT
1316	aio_lstat = EIO_LSTAT	1462	aio_lstat = EIO_LSTAT
1317	aio_statvfs = EIO_STATVFS	1463	aio_statvfs = EIO_STATVFS
1318	PPCODE:	1464	PPCODE:
…		…
1327	UV	1473	UV
1328	major (UV dev)	1474	major (UV dev)
1329	ALIAS:	1475	ALIAS:
1330	minor = 1	1476	minor = 1
1331	CODE:	1477	CODE:
1332	RETVAL = ix ? major (dev) : minor (dev);	1478	RETVAL = ix ? minor (dev) : major (dev);
1333	OUTPUT:	1479	OUTPUT:
1334	RETVAL	1480	RETVAL
1335		1481
1336	UV	1482	UV
1337	makedev (UV maj, UV min)	1483	makedev (UV maj, UV min)
…		…
1339	RETVAL = makedev (maj, min);	1485	RETVAL = makedev (maj, min);
1340	OUTPUT:	1486	OUTPUT:
1341	RETVAL	1487	RETVAL
1342		1488
1343	void	1489	void
1344	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)
1345	PPCODE:	1491	PPCODE:
1346	{	1492	{
1347	dREQ;	1493	dREQ;
1348		1494
1349	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1495	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1352		1498
1353	REQ_SEND;	1499	REQ_SEND;
1354	}	1500	}
1355		1501
1356	void	1502	void
1357	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)
1358	PPCODE:	1504	PPCODE:
1359	{	1505	{
1360	dREQ;	1506	dREQ;
1361		1507
1362	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1508	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1364		1510
1365	REQ_SEND;	1511	REQ_SEND;
1366	}	1512	}
1367		1513
1368	void	1514	void
1369	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)
1370	PPCODE:	1516	PPCODE:
1371	{	1517	{
1372	dREQ;	1518	dREQ;
1373		1519
1374	req->int2 = mode;	1520	req->int2 = mode;
…		…
1376		1522
1377	REQ_SEND;	1523	REQ_SEND;
1378	}	1524	}
1379		1525
1380	void	1526	void
1381	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)
1382	PPCODE:	1528	PPCODE:
1383	{	1529	{
1384	dREQ;	1530	dREQ;
1385		1531
1386	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1532	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1389		1535
1390	REQ_SEND;	1536	REQ_SEND;
1391	}	1537	}
1392		1538
1393	void	1539	void
1394	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1540	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1395	PPCODE:	1541	PPCODE:
1396	{	1542	{
1397	dREQ;	1543	dREQ;
1398		1544
1399	req->type = EIO_READDIR;	1545	req->type = EIO_READDIR;
…		…
1406		1552
1407	REQ_SEND;	1553	REQ_SEND;
1408	}	1554	}
1409		1555
1410	void	1556	void
1411	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1557	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1412	PPCODE:	1558	PPCODE:
1413	{	1559	{
1414	dREQ;	1560	dREQ;
1415		1561
1416	req->type = EIO_MKDIR;	1562	req->type = EIO_MKDIR;
…		…
1419		1565
1420	REQ_SEND;	1566	REQ_SEND;
1421	}	1567	}
1422		1568
1423	void	1569	void
1424	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1570	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1425	ALIAS:	1571	ALIAS:
1426	aio_unlink = EIO_UNLINK	1572	aio_unlink = EIO_UNLINK
1427	aio_rmdir = EIO_RMDIR	1573	aio_rmdir = EIO_RMDIR
1428	aio_readdir = EIO_READDIR	1574	aio_readdir = EIO_READDIR
1429	PPCODE:	1575	PPCODE:
…		…
1435		1581
1436	REQ_SEND;	1582	REQ_SEND;
1437	}	1583	}
1438		1584
1439	void	1585	void
1440	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1586	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1441	ALIAS:	1587	ALIAS:
1442	aio_link = EIO_LINK	1588	aio_link = EIO_LINK
1443	aio_symlink = EIO_SYMLINK	1589	aio_symlink = EIO_SYMLINK
1444	aio_rename = EIO_RENAME	1590	aio_rename = EIO_RENAME
1445	PPCODE:	1591	PPCODE:
…		…
1454		1600
1455	REQ_SEND;	1601	REQ_SEND;
1456	}	1602	}
1457		1603
1458	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
1459	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)
1460	PPCODE:	1622	PPCODE:
1461	{	1623	{
1462	dREQ;	1624	dREQ;
1463		1625
1464	req->type = EIO_MKNOD;	1626	req->type = EIO_MKNOD;
…		…
1468		1630
1469	REQ_SEND;	1631	REQ_SEND;
1470	}	1632	}
1471		1633
1472	void	1634	void
1473	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)
1474	ALIAS:	1636	ALIAS:
1475	aio_mtouch = EIO_MTOUCH	1637	aio_mtouch = EIO_MTOUCH
1476	aio_msync = EIO_MSYNC	1638	aio_msync = EIO_MSYNC
1477	PPCODE:	1639	PPCODE:
1478	{	1640	{
1479	STRLEN svlen;	1641	STRLEN svlen;
1480	char *svptr = SvPVbyte (data, svlen);	1642	char *svptr = SvPVbyte (data, svlen);
1481	UV len = SvUV (length);	1643	UV len = SvUV (length);
		1644
		1645	if (flags < 0)
		1646	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1482		1647
1483	if (offset < 0)	1648	if (offset < 0)
1484	offset += svlen;	1649	offset += svlen;
1485		1650
1486	if (offset < 0 || offset > svlen)	1651	if (offset < 0 || offset > svlen)
…		…
1501	REQ_SEND;	1666	REQ_SEND;
1502	}	1667	}
1503	}	1668	}
1504		1669
1505	void	1670	void
1506	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)
1507	PPCODE:	1672	PPCODE:
1508	{	1673	{
1509	STRLEN svlen;	1674	STRLEN svlen;
1510	char *svptr = SvPVbyte (data, svlen);	1675	char *svptr = SvPVbyte (data, svlen);
1511	UV len = SvUV (length);	1676	UV len = SvUV (length);
…		…
1530	REQ_SEND;	1695	REQ_SEND;
1531	}	1696	}
1532	}	1697	}
1533		1698
1534	void	1699	void
1535	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1700	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1536	PPCODE:	1701	PPCODE:
1537	{	1702	{
1538	dREQ;	1703	dREQ;
1539		1704
1540	req->type = EIO_MLOCKALL;	1705	req->type = EIO_MLOCKALL;
…		…
1542		1707
1543	REQ_SEND;	1708	REQ_SEND;
1544	}	1709	}
1545		1710
1546	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
1547	aio_busy (double delay, SV *callback=&PL_sv_undef)	1735	aio_busy (double delay, SV *callback = &PL_sv_undef)
1548	PPCODE:	1736	PPCODE:
1549	{	1737	{
1550	dREQ;	1738	dREQ;
1551		1739
1552	req->type = EIO_BUSY;	1740	req->type = EIO_BUSY;
…		…
1554		1742
1555	REQ_SEND;	1743	REQ_SEND;
1556	}	1744	}
1557		1745
1558	void	1746	void
1559	aio_group (SV *callback=&PL_sv_undef)	1747	aio_group (SV *callback = &PL_sv_undef)
1560	PPCODE:	1748	PPCODE:
1561	{	1749	{
1562	dREQ;	1750	dREQ;
1563		1751
1564	req->type = EIO_GROUP;	1752	req->type = EIO_GROUP;
1565		1753
		1754	PUTBACK;
1566	req_submit (req);	1755	req_submit (req);
		1756	SPAGAIN;
		1757
1567	XPUSHs (req_sv (req, aio_grp_stash));	1758	XPUSHs (req_sv (req, aio_grp_stash));
1568	}	1759	}
1569		1760
1570	void	1761	void
1571	aio_nop (SV *callback=&PL_sv_undef)	1762	aio_nop (SV *callback = &PL_sv_undef)
1572	ALIAS:	1763	ALIAS:
1573	aio_nop = EIO_NOP	1764	aio_nop = EIO_NOP
1574	aio_sync = EIO_SYNC	1765	aio_sync = EIO_SYNC
1575	PPCODE:	1766	PPCODE:
1576	{	1767	{
…		…
1580		1771
1581	REQ_SEND;	1772	REQ_SEND;
1582	}	1773	}
1583		1774
1584	int	1775	int
1585	aioreq_pri (int pri = 0)	1776	aioreq_pri (int pri = NO_INIT)
1586	CODE:	1777	CODE:
1587	RETVAL = next_pri;	1778	RETVAL = next_pri;
1588	if (items > 0)	1779	if (items > 0)
1589	{	1780	{
1590	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1781	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1680	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1871	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1681	OUTPUT:	1872	OUTPUT:
1682	RETVAL	1873	RETVAL
1683		1874
1684	void	1875	void
1685	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)
1686	PPCODE:	1877	PPCODE:
1687	sv_unmagic (scalar, MMAP_MAGIC);	1878	sv_unmagic (scalar, MMAP_MAGIC);
1688	{	1879	{
1689	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;
1690	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1881	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1717	munmap (SV *scalar)	1908	munmap (SV *scalar)
1718	CODE:	1909	CODE:
1719	sv_unmagic (scalar, MMAP_MAGIC);	1910	sv_unmagic (scalar, MMAP_MAGIC);
1720		1911
1721	int	1912	int
1722	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)
1723	ALIAS:	1914	ALIAS:
1724	mprotect = 1	1915	mprotect = 1
1725	CODE:	1916	CODE:
1726	{	1917	{
1727	STRLEN svlen;	1918	STRLEN svlen;
1728	void *addr = SvPVbyte (scalar, svlen);	1919	void *addr = SvPVbyte (scalar, svlen);
1729	size_t len = SvUV (length);	1920	STRLEN len = SvUV (length);
1730		1921
1731	if (offset < 0)	1922	if (offset < 0)
1732	offset += svlen;	1923	offset += svlen;
1733		1924
1734	if (offset < 0 || offset > svlen)	1925	if (offset < 0 || offset > svlen)
…		…
1748	}	1939	}
1749	OUTPUT:	1940	OUTPUT:
1750	RETVAL	1941	RETVAL
1751		1942
1752	int	1943	int
1753	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1944	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1754	CODE:	1945	CODE:
1755	{	1946	{
1756	STRLEN svlen;	1947	STRLEN svlen;
1757	void *addr = SvPVbyte (scalar, svlen);	1948	void *addr = SvPVbyte (scalar, svlen);
1758	size_t len = SvUV (length);	1949	size_t len = SvUV (length);
1759		1950
1760	if (offset < 0)	1951	if (offset < 0)
1761	offset += svlen;	1952	offset += svlen;
1762		1953
…		…
1769	addr = (void *)(((intptr_t)addr) + offset);	1960	addr = (void *)(((intptr_t)addr) + offset);
1770	eio_page_align (&addr, &len);	1961	eio_page_align (&addr, &len);
1771	#if _POSIX_MEMLOCK_RANGE	1962	#if _POSIX_MEMLOCK_RANGE
1772	RETVAL = munlock (addr, len);	1963	RETVAL = munlock (addr, len);
1773	#else	1964	#else
1774	RETVAL = ((errno = ENOSYS), -1);	1965	RETVAL = EIO_ENOSYS ();
1775	#endif	1966	#endif
1776	}	1967	}
1777	OUTPUT:	1968	OUTPUT:
1778	RETVAL	1969	RETVAL
1779		1970
…		…
1781	munlockall ()	1972	munlockall ()
1782	CODE:	1973	CODE:
1783	#if _POSIX_MEMLOCK	1974	#if _POSIX_MEMLOCK
1784	munlockall ();	1975	munlockall ();
1785	#else	1976	#else
1786	RETVAL = -1;	1977	RETVAL = EIO_ENOSYS ();
1787	errno = ENOSYS;
1788	#endif	1978	#endif
1789	OUTPUT:	1979	OUTPUT:
1790	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	}
1791		2051
1792	void _on_next_submit (SV *cb)	2052	void _on_next_submit (SV *cb)
1793	CODE:	2053	CODE:
1794	SvREFCNT_dec (on_next_submit);	2054	SvREFCNT_dec (on_next_submit);
1795	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2055	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1830	cancel (aio_req_ornot req)	2090	cancel (aio_req_ornot req)
1831	CODE:	2091	CODE:
1832	eio_cancel (req);	2092	eio_cancel (req);
1833		2093
1834	void	2094	void
1835	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2095	cb (aio_req_ornot req, SV *callback = NO_INIT)
1836	PPCODE:	2096	PPCODE:
1837	{	2097	{
1838	if (GIMME_V != G_VOID)	2098	if (GIMME_V != G_VOID)
1839	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);
1840		2100
1841	if (items > 1)	2101	if (items > 1)
1842	{	2102	{
1843	SV *cb_cv =get_cb (callback);	2103	SV *cb_cv = get_cb (callback);
1844		2104
1845	SvREFCNT_dec (req->callback);	2105	SvREFCNT_dec (req->callback);
1846	req->callback = SvREFCNT_inc (cb_cv);	2106	req->callback = SvREFCNT_inc (cb_cv);
1847	}	2107	}
1848	}	2108	}
…		…
1905	limit (aio_req grp, int limit)	2165	limit (aio_req grp, int limit)
1906	CODE:	2166	CODE:
1907	eio_grp_limit (grp, limit);	2167	eio_grp_limit (grp, limit);
1908		2168
1909	void	2169	void
1910	feed (aio_req grp, SV *callback=&PL_sv_undef)	2170	feed (aio_req grp, SV *callback = &PL_sv_undef)
1911	CODE:	2171	CODE:
1912	{	2172	{
1913	SvREFCNT_dec (grp->sv2);	2173	SvREFCNT_dec (grp->sv2);
1914	grp->sv2 = newSVsv (callback);	2174	grp->sv2 = newSVsv (callback);
1915	grp->feed = aio_grp_feed;	2175	grp->feed = aio_grp_feed;

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