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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC vs.
Revision 1.264 by root, Tue Aug 14 11:44:52 2018 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
9	#include "schmorp.h"	9	#if !defined mg_findext
		10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		11	#endif
10		12
11	#include <stddef.h>	13	#include <stddef.h>
12	#include <stdlib.h>	14	#include <stdlib.h>
13	#include <errno.h>	15	#include <errno.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
		17	#include <sys/socket.h>
15	#include <sys/stat.h>	18	#include <sys/stat.h>
16	#include <limits.h>	19	#include <limits.h>
17	#include <fcntl.h>	20	#include <fcntl.h>
18	#include <sched.h>	21	#include <sched.h>
19		22
		23	#if HAVE_SYS_SYSMACROS_H
		24	# include <sys/sysmacros.h>
		25	#endif
		26
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	27	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	28	# include <sys/mman.h>
22	#endif	29	#endif
23		30
24	#if __linux__	31	/* the incompetent fool that created musl keeps __linux__, refuses
		32	* to implement any linux standard apis, and also has no way to test
		33	* for his broken iplementation. don't complain to me if this fails
		34	* for you.
		35	*/
		36	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	37	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	38	# ifdef FS_IOC_FIEMAP
27	# include <linux/types.h>	39	# include <linux/types.h>
28	# include <linux/fiemap.h>	40	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	41	# define HAVE_FIEMAP 1
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	111	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	112	#define expect_true(expr) expect ((expr) != 0, 1)
101		113
102	/*****************************************************************************/	114	/*****************************************************************************/
103		115
		116	#include "config.h"
		117
		118	#if HAVE_ST_XTIMENSEC
		119	# define ATIMENSEC PL_statcache.st_atimensec
		120	# define MTIMENSEC PL_statcache.st_mtimensec
		121	# define CTIMENSEC PL_statcache.st_ctimensec
		122	#elif HAVE_ST_XTIMESPEC
		123	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		124	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		125	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		126	#else
		127	# define ATIMENSEC 0
		128	# define MTIMENSEC 0
		129	# define CTIMENSEC 0
		130	#endif
		131
		132	#include "schmorp.h"
		133
		134	#if HAVE_EVENTFD
		135	# include <sys/eventfd.h>
		136	#endif
		137
		138	#if HAVE_TIMERFD
		139	# include <sys/timerfd.h>
		140	#endif
		141
		142	#if HAVE_RLIMITS
		143	#include <sys/time.h>
		144	#include <sys/resource.h>
		145	#endif
		146
104	typedef SV SV8; /* byte-sv, used for argument-checking */	147	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	148	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	149	typedef int aio_wfd; /* write file descriptor */
107		150
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;	151	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
…		…
114	STRLEN stroffset; \	157	STRLEN stroffset; \
115	SV *self;	158	SV *self;
116		159
117	#define EIO_NO_WRAPPERS 1	160	#define EIO_NO_WRAPPERS 1
118		161
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	162	#include "libeio/eio.h"
121		163
122	static int req_invoke (eio_req *req);	164	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	165	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	166	static void req_destroy (eio_req *grp);
…		…
140	# else	182	# else
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	183	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	184	# endif
143	#endif	185	#endif
144		186
145	/* defines all sorts of constants to 0 unless they are already defined */
146	#include "def0.h"
147
148	#ifndef makedev	187	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	188	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	189	#endif
151	#ifndef major	190	#ifndef major
152	# define major(dev) ((dev) >> 8)	191	# define major(dev) ((dev) >> 8)
153	#endif	192	#endif
154	#ifndef minor	193	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	194	# define minor(dev) ((dev) & 0xff)
156	#endif	195	#endif
157		196
158	#ifndef PAGESIZE	197	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	198	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	199	#endif
		200
		201	/*****************************************************************************/
		202
		203	#if !_POSIX_MAPPED_FILES
		204	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		205	# define munmap(addr,length) EIO_ENOSYS ()
		206	#endif
		207
		208	#if !_POSIX_MEMORY_PROTECTION
		209	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		210	#endif
		211
		212	#if !MREMAP_MAYMOVE
		213	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		214	#endif
		215
		216	#define FOREIGN_MAGIC PERL_MAGIC_ext
		217
		218	static int ecb_cold
		219	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		220	{
		221	int old_errno = errno;
		222	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		223	errno = old_errno;
		224
		225	mg->mg_obj = 0; /* just in case */
		226
		227	SvREADONLY_off (sv);
		228
		229	if (SvPVX (sv) != mg->mg_ptr)
		230	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		231
		232	SvCUR_set (sv, 0);
		233	SvPVX (sv) = 0;
		234	SvOK_off (sv);
		235
		236	return 0;
		237	}
		238
		239	static MGVTBL mmap_vtbl = {
		240	0, 0, 0, 0, mmap_free
		241	};
		242
		243	static int ecb_cold
		244	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		245	{
		246	free (mg->mg_ptr);
		247	mg->mg_obj = 0; /* just in case */
		248
		249	SvREADONLY_off (sv);
		250
		251	if (SvPVX (sv) != mg->mg_ptr)
		252	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		253
		254	SvCUR_set (sv, 0);
		255	SvPVX (sv) = 0;
		256	SvOK_off (sv);
		257
		258	return 0;
		259	}
		260
		261	static MGVTBL sysfree_vtbl = {
		262	0, 0, 0, 0, sysfree_free
		263	};
		264
		265	/*****************************************************************************/
		266
		267	/* helper: set scalar to foreign ptr with custom free */
		268	static void
		269	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		270	{
		271	sv_force_normal (sv);
		272
		273	/* we store the length in mg_obj, as namlen is I32 :/ */
		274	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		275	->mg_obj = (SV *)length;
		276
		277	SvUPGRADE (sv, SVt_PV); /* nop... */
		278
		279	if (SvLEN (sv))
		280	Safefree (SvPVX (sv));
		281
		282	SvPVX (sv) = (char *)addr;
		283	SvCUR_set (sv, length);
		284	SvLEN_set (sv, 0);
		285	SvPOK_only (sv);
		286	}
		287
		288	static void
		289	sv_clear_foreign (SV *sv)
		290	{
		291	/* todo: iterate over magic and only free ours, but of course */
		292	/* the perl5porters will call that (correct) behaviour buggy */
		293	sv_unmagic (sv, FOREIGN_MAGIC);
		294	}
		295
		296	/*****************************************************************************/
		297
		298	/* defines all sorts of constants to 0 unless they are already defined */
		299	/* also provides const_iv_ and const_niv_ macros for them */
		300	#include "def0.h"
161		301
162	/*****************************************************************************/	302	/*****************************************************************************/
163		303
164	static void	304	static void
165	fiemap (eio_req *req)	305	fiemap (eio_req *req)
…		…
189	fiemap->fm_start = req->offs;	329	fiemap->fm_start = req->offs;
190	fiemap->fm_length = req->size;	330	fiemap->fm_length = req->size;
191	fiemap->fm_flags = req->int2;	331	fiemap->fm_flags = req->int2;
192	fiemap->fm_extent_count = count;	332	fiemap->fm_extent_count = count;
193		333
194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	334	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
195	return;	335	return;
196		336
197	if (req->int3 >= 0 /* not autosizing */	337	if (req->int3 >= 0 /* not autosizing */
198	|| !fiemap->fm_mapped_extents /* no more extents */	338	|| !fiemap->fm_mapped_extents /* no more extents */
199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)	339	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200	goto done;	340	goto done;
201		341
202	/* else we have to loop -	342	/* else we have to loop -
203	* it would be tempting (atcually I tried that first) to just query the	343	* it would be tempting (actually I tried that first) to just query the
204	* number of extents needed, but linux often feels like not returning all	344	* number of extents needed, but linux often feels like not returning all
205	* extents, without telling us it left any out. this complicates	345	* extents, without telling us it left any out. this complicates
206	* this quite a bit.	346	* this quite a bit.
207	*/	347	*/
208		348
…		…
218	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;	358	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
219	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);	359	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
220	incmap->fm_flags = fiemap->fm_flags;	360	incmap->fm_flags = fiemap->fm_flags;
221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);	361	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222		362
223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap))	363	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224	return;	364	return;
		365
		366	if (!incmap->fm_mapped_extents)
		367	goto done;
225		368
226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;	369	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	370	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228	errno = ENOMEM;	371	errno = ENOMEM;
229	if (!fiemap)	372	if (!fiemap)
…		…
301	}	444	}
302		445
303	static SV *	446	static SV *
304	newSVaio_wd (aio_wd wd)	447	newSVaio_wd (aio_wd wd)
305	{	448	{
306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	449	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
307	}	450	}
308		451
309	static aio_req	452	static aio_req
310	SvAIO_REQ (SV *sv)	453	SvAIO_REQ (SV *sv)
311	{	454	{
…		…
330	|| SvTYPE (SvRV (sv)) != SVt_PVMG	473	|| SvTYPE (SvRV (sv)) != SVt_PVMG
331	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	474	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	475	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333		476
334	return (aio_wd)(long)SvIVX (SvRV (sv));	477	return (aio_wd)(long)SvIVX (SvRV (sv));
		478	}
		479
		480	static SV *
		481	newmortalFH (int fd, int flags)
		482	{
		483	if (fd < 0)
		484	return &PL_sv_undef;
		485
		486	GV *gv = (GV *)sv_newmortal ();
		487	char sym[64];
		488	int symlen;
		489
		490	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		491	gv_init (gv, aio_stash, sym, symlen, 0);
		492
		493	symlen = snprintf (
		494	sym,
		495	sizeof (sym),
		496	"%s&=%d",
		497	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		498	fd
		499	);
		500
		501	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		502	? (SV *)gv : &PL_sv_undef;
335	}	503	}
336		504
337	static void	505	static void
338	aio_grp_feed (aio_req grp)	506	aio_grp_feed (aio_req grp)
339	{	507	{
…		…
467	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	635	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
468	}	636	}
469	break;	637	break;
470		638
471	case EIO_OPEN:	639	case EIO_OPEN:
472	{	640	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
473	/* convert fd to fh */
474	SV *fh = &PL_sv_undef;
475
476	if (req->result >= 0)
477	{
478	GV *gv = (GV *)sv_newmortal ();
479	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
480	char sym [64];
481	int symlen;
482
483	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
484	gv_init (gv, aio_stash, sym, symlen, 0);
485
486	symlen = snprintf (
487	sym,
488	sizeof (sym),
489	"%s&=%d",
490	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
491	(int)req->result
492	);
493
494	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
495	fh = (SV *)gv;
496	}
497
498	PUSHs (fh);
499	}
500	break;	641	break;
501		642
502	case EIO_STATVFS:	643	case EIO_STATVFS:
503	case EIO_FSTATVFS:	644	case EIO_FSTATVFS:
504	{	645	{
…		…
507	#ifndef _WIN32	648	#ifndef _WIN32
508	if (req->result >= 0)	649	if (req->result >= 0)
509	{	650	{
510	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	651	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
511	HV *hv = newHV ();	652	HV *hv = newHV ();
		653	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		654	* chooses to make it a struct.
		655	*/
		656	unsigned long fsid = 0;
		657	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
512		658
513	rv = sv_2mortal (newRV_noinc ((SV *)hv));	659	rv = sv_2mortal (newRV_noinc ((SV *)hv));
514		660
515	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	661	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
516	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	662	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
518	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	664	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
519	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	665	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
520	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	666	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
521	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	667	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
522	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	668	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
523	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	669	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
524	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	670	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
525	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	671	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
526	}	672	}
527	#endif	673	#endif
528		674
…		…
579	SvSETMAGIC (req->sv2);	725	SvSETMAGIC (req->sv2);
580	PUSHs (sv_result);	726	PUSHs (sv_result);
581	}	727	}
582	break;	728	break;
583		729
		730	case EIO_SLURP:
		731	{
		732	if (req->result >= 0)
		733	{
		734	/* if length was originally not known, we steal the malloc'ed memory */
		735	if (req->flags & EIO_FLAG_PTR2_FREE)
		736	{
		737	req->flags &= ~EIO_FLAG_PTR2_FREE;
		738	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		739	}
		740	else
		741	{
		742	SvCUR_set (req->sv2, req->result);
		743	*SvEND (req->sv2) = 0;
		744	SvPOK_only (req->sv2);
		745	}
		746
		747	SvSETMAGIC (req->sv2);
		748	}
		749
		750	PUSHs (sv_result);
		751	}
		752	break;
		753
584	case EIO_CUSTOM:	754	case EIO_CUSTOM:
585	if (req->feed == fiemap)	755	if (req->feed == fiemap)
586	{	756	{
587	#if HAVE_FIEMAP	757	#if HAVE_FIEMAP
588	if (!req->result)	758	if (!req->result)
…		…
693	{	863	{
694	while (eio_nreqs ())	864	while (eio_nreqs ())
695	{	865	{
696	int size;	866	int size;
697		867
698	X_LOCK (reslock);	868	X_LOCK (EIO_POOL->reslock);
699	size = res_queue.size;	869	size = EIO_POOL->res_queue.size;
700	X_UNLOCK (reslock);	870	X_UNLOCK (EIO_POOL->reslock);
701		871
702	if (size)	872	if (size)
703	return;	873	return;
704		874
705	etp_maybe_start_thread ();	875	etp_maybe_start_thread (EIO_POOL);
706		876
707	s_epipe_wait (&respipe);	877	s_epipe_wait (&respipe);
708	}	878	}
709	}	879	}
710		880
…		…
731	create_respipe ();	901	create_respipe ();
732		902
733	if (eio_init (want_poll, done_poll) < 0)	903	if (eio_init (want_poll, done_poll) < 0)
734	croak ("IO::AIO: unable to initialise eio library");	904	croak ("IO::AIO: unable to initialise eio library");
735	}	905	}
736
737	/*****************************************************************************/
738
739	#if !_POSIX_MAPPED_FILES
740	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
741	# define munmap(addr,length) EIO_ENOSYS ()
742	#endif
743
744	#if !_POSIX_MEMORY_PROTECTION
745	# define mprotect(addr,len,prot) EIO_ENOSYS ()
746	# define PROT_NONE 0
747	# define PROT_WRITE 0
748	# define MAP_PRIVATE 0
749	# define MAP_SHARED 0
750	# define MAP_FIXED 0
751	#endif
752
753	#define MMAP_MAGIC PERL_MAGIC_ext
754
755	static int ecb_cold
756	mmap_free (pTHX_ SV *sv, MAGIC *mg)
757	{
758	int old_errno = errno;
759	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
760	errno = old_errno;
761
762	mg->mg_obj = 0; /* just in case */
763
764	SvREADONLY_off (sv);
765
766	if (SvPVX (sv) != mg->mg_ptr)
767	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
768
769	SvCUR_set (sv, 0);
770	SvPVX (sv) = 0;
771	SvOK_off (sv);
772
773	return 0;
774	}
775
776	static MGVTBL mmap_vtbl = {
777	0, 0, 0, 0, mmap_free
778	};
779		906
780	/*****************************************************************************/	907	/*****************************************************************************/
781		908
782	static SV *	909	static SV *
783	get_cb (SV *cb_sv)	910	get_cb (SV *cb_sv)
…		…
879	req_set_path1 (req, fh_or_path);	1006	req_set_path1 (req, fh_or_path);
880	break;	1007	break;
881	}	1008	}
882	}	1009	}
883		1010
		1011	/*****************************************************************************/
		1012
		1013	static void
		1014	ts_set (struct timespec *ts, NV value)
		1015	{
		1016	ts->tv_sec = value;
		1017	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1018	}
		1019
		1020	static NV
		1021	ts_get (const struct timespec *ts)
		1022	{
		1023	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1024	}
		1025
		1026	/*****************************************************************************/
		1027
884	XS(boot_IO__AIO) ecb_cold;	1028	XS(boot_IO__AIO) ecb_cold;
885		1029
886	MODULE = IO::AIO PACKAGE = IO::AIO	1030	MODULE = IO::AIO PACKAGE = IO::AIO
887		1031
888	PROTOTYPES: ENABLE	1032	PROTOTYPES: ENABLE
…		…
895	} *civ, const_iv[] = {	1039	} *civ, const_iv[] = {
896	# define const_niv(name, value) { # name, (IV) value },	1040	# define const_niv(name, value) { # name, (IV) value },
897	# define const_iv(name) { # name, (IV) name },	1041	# define const_iv(name) { # name, (IV) name },
898	# define const_eio(name) { # name, (IV) EIO_ ## name },	1042	# define const_eio(name) { # name, (IV) EIO_ ## name },
899		1043
900	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1044	/* you have to re-run ./gendef0 after adding/removing any constants here */
901		1045	/* the first block can be undef if missing */
902	const_iv (ENOSYS)	1046	const_iv (ENOSYS)
903	const_iv (EXDEV)	1047	const_iv (EXDEV)
904	const_iv (EBADR)	1048	const_iv (EBADR)
		1049
		1050	/* for lseek */
		1051	const_iv (SEEK_DATA)
		1052	const_iv (SEEK_HOLE)
		1053
		1054	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1055	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1056	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1057	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1058	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1059	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1060
		1061	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1062	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1063	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1064	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1065	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1066
		1067	/* the second block will be 0 when missing */
		1068	const_iv (O_ACCMODE)
905		1069
906	const_iv (O_RDONLY)	1070	const_iv (O_RDONLY)
907	const_iv (O_WRONLY)	1071	const_iv (O_WRONLY)
908	const_iv (O_RDWR)	1072	const_iv (O_RDWR)
909	const_iv (O_CREAT)	1073	const_iv (O_CREAT)
…		…
923	const_iv (O_SEARCH)	1087	const_iv (O_SEARCH)
924	const_iv (O_DIRECTORY)	1088	const_iv (O_DIRECTORY)
925	const_iv (O_DSYNC)	1089	const_iv (O_DSYNC)
926	const_iv (O_RSYNC)	1090	const_iv (O_RSYNC)
927	const_iv (O_SYNC)	1091	const_iv (O_SYNC)
		1092	const_iv (O_PATH)
		1093	const_iv (O_TMPFILE)
928	const_iv (O_TTY_INIT)	1094	const_iv (O_TTY_INIT)
929		1095
930	const_iv (S_IFIFO)	1096	const_iv (S_IFIFO)
931	const_iv (S_IFCHR)	1097	const_iv (S_IFCHR)
932	const_iv (S_IFBLK)	1098	const_iv (S_IFBLK)
…		…
934	const_iv (S_IFREG)	1100	const_iv (S_IFREG)
935	const_iv (S_IFDIR)	1101	const_iv (S_IFDIR)
936	const_iv (S_IFWHT)	1102	const_iv (S_IFWHT)
937	const_iv (S_IFSOCK)	1103	const_iv (S_IFSOCK)
938	const_iv (S_IFMT)	1104	const_iv (S_IFMT)
939
940	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
941	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
942	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
943	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
944	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
945	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
946
947	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
948	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
949	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
950	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
951	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
952		1105
953	const_iv (ST_RDONLY)	1106	const_iv (ST_RDONLY)
954	const_iv (ST_NOSUID)	1107	const_iv (ST_NOSUID)
955	const_iv (ST_NODEV)	1108	const_iv (ST_NODEV)
956	const_iv (ST_NOEXEC)	1109	const_iv (ST_NOEXEC)
…		…
966	const_iv (PROT_NONE)	1119	const_iv (PROT_NONE)
967	const_iv (PROT_EXEC)	1120	const_iv (PROT_EXEC)
968	const_iv (PROT_READ)	1121	const_iv (PROT_READ)
969	const_iv (PROT_WRITE)	1122	const_iv (PROT_WRITE)
970		1123
971	/*const_iv (MAP_FIXED)*/
972	const_iv (MAP_PRIVATE)	1124	const_iv (MAP_PRIVATE)
973	const_iv (MAP_SHARED)	1125	const_iv (MAP_SHARED)
		1126	const_iv (MAP_FIXED)
974	const_iv (MAP_ANONYMOUS)	1127	const_iv (MAP_ANONYMOUS)
975		1128
976	/* linuxish */	1129	/* linuxish */
977	const_iv (MAP_HUGETLB)
978	const_iv (MAP_LOCKED)	1130	const_iv (MAP_LOCKED)
979	const_iv (MAP_NORESERVE)	1131	const_iv (MAP_NORESERVE)
980	const_iv (MAP_POPULATE)	1132	const_iv (MAP_POPULATE)
981	const_iv (MAP_NONBLOCK)	1133	const_iv (MAP_NONBLOCK)
		1134	const_iv (MAP_GROWSDOWN)
		1135	const_iv (MAP_32BIT)
		1136	const_iv (MAP_HUGETLB)
		1137	const_iv (MAP_STACK)
		1138
		1139	const_iv (MREMAP_MAYMOVE)
		1140	const_iv (MREMAP_FIXED)
		1141
		1142	const_iv (F_DUPFD_CLOEXEC)
		1143
		1144	const_iv (MSG_CMSG_CLOEXEC)
		1145	const_iv (SOCK_CLOEXEC)
		1146
		1147	const_iv (F_OFD_GETLK)
		1148	const_iv (F_OFD_SETLK)
		1149	const_iv (F_OFD_GETLKW)
		1150
		1151	const_iv (FIFREEZE)
		1152	const_iv (FITHAW)
		1153	const_iv (FITRIM)
		1154	const_iv (FICLONE)
		1155	const_iv (FICLONERANGE)
		1156	const_iv (FIDEDUPERANGE)
		1157
		1158	const_iv (FS_IOC_GETFLAGS)
		1159	const_iv (FS_IOC_SETFLAGS)
		1160	const_iv (FS_IOC_GETVERSION)
		1161	const_iv (FS_IOC_SETVERSION)
		1162	const_iv (FS_IOC_FIEMAP)
		1163	const_iv (FS_IOC_FSGETXATTR)
		1164	const_iv (FS_IOC_FSSETXATTR)
		1165	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1166	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1167	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1168
		1169	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1170
		1171	const_iv (FS_SECRM_FL)
		1172	const_iv (FS_UNRM_FL)
		1173	const_iv (FS_COMPR_FL)
		1174	const_iv (FS_SYNC_FL)
		1175	const_iv (FS_IMMUTABLE_FL)
		1176	const_iv (FS_APPEND_FL)
		1177	const_iv (FS_NODUMP_FL)
		1178	const_iv (FS_NOATIME_FL)
		1179	const_iv (FS_DIRTY_FL)
		1180	const_iv (FS_COMPRBLK_FL)
		1181	const_iv (FS_NOCOMP_FL)
		1182	const_iv (FS_ENCRYPT_FL)
		1183	const_iv (FS_BTREE_FL)
		1184	const_iv (FS_INDEX_FL)
		1185	const_iv (FS_JOURNAL_DATA_FL)
		1186	const_iv (FS_NOTAIL_FL)
		1187	const_iv (FS_DIRSYNC_FL)
		1188	const_iv (FS_TOPDIR_FL)
		1189	const_iv (FS_FL_USER_MODIFIABLE)
		1190
		1191	const_iv (FS_XFLAG_REALTIME)
		1192	const_iv (FS_XFLAG_PREALLOC)
		1193	const_iv (FS_XFLAG_IMMUTABLE)
		1194	const_iv (FS_XFLAG_APPEND)
		1195	const_iv (FS_XFLAG_SYNC)
		1196	const_iv (FS_XFLAG_NOATIME)
		1197	const_iv (FS_XFLAG_NODUMP)
		1198	const_iv (FS_XFLAG_RTINHERIT)
		1199	const_iv (FS_XFLAG_PROJINHERIT)
		1200	const_iv (FS_XFLAG_NOSYMLINKS)
		1201	const_iv (FS_XFLAG_EXTSIZE)
		1202	const_iv (FS_XFLAG_EXTSZINHERIT)
		1203	const_iv (FS_XFLAG_NODEFRAG)
		1204	const_iv (FS_XFLAG_FILESTREAM)
		1205	const_iv (FS_XFLAG_DAX)
		1206	const_iv (FS_XFLAG_HASATTR)
982		1207
983	const_iv (FIEMAP_FLAG_SYNC)	1208	const_iv (FIEMAP_FLAG_SYNC)
984	const_iv (FIEMAP_FLAG_XATTR)	1209	const_iv (FIEMAP_FLAG_XATTR)
985	const_iv (FIEMAP_FLAGS_COMPAT)	1210	const_iv (FIEMAP_FLAGS_COMPAT)
986	const_iv (FIEMAP_EXTENT_LAST)	1211	const_iv (FIEMAP_EXTENT_LAST)
…		…
998	const_iv (SPLICE_F_MOVE)	1223	const_iv (SPLICE_F_MOVE)
999	const_iv (SPLICE_F_NONBLOCK)	1224	const_iv (SPLICE_F_NONBLOCK)
1000	const_iv (SPLICE_F_MORE)	1225	const_iv (SPLICE_F_MORE)
1001	const_iv (SPLICE_F_GIFT)	1226	const_iv (SPLICE_F_GIFT)
1002		1227
1003	const_iv (SEEK_DATA)	1228	const_iv (EFD_CLOEXEC)
		1229	const_iv (EFD_NONBLOCK)
1004	const_iv (SEEK_HOLE)	1230	const_iv (EFD_SEMAPHORE)
1005		1231
1006	/* libeio constants */	1232	const_iv (CLOCK_REALTIME)
		1233	const_iv (CLOCK_MONOTONIC)
		1234	const_iv (CLOCK_BOOTTIME)
		1235	const_iv (CLOCK_REALTIME_ALARM)
		1236	const_iv (CLOCK_BOOTTIME_ALARM)
		1237
		1238	const_iv (TFD_NONBLOCK)
		1239	const_iv (TFD_CLOEXEC)
		1240
		1241	const_iv (TFD_TIMER_ABSTIME)
		1242	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1243
		1244	/* these are libeio constants, and are independent of gendef0 */
1007	const_eio (SEEK_SET)	1245	const_eio (SEEK_SET)
1008	const_eio (SEEK_CUR)	1246	const_eio (SEEK_CUR)
1009	const_eio (SEEK_END)	1247	const_eio (SEEK_END)
1010		1248
1011	const_eio (MCL_FUTURE)	1249	const_eio (MCL_FUTURE)
…		…
1021	const_eio (SYNC_FILE_RANGE_WRITE)	1259	const_eio (SYNC_FILE_RANGE_WRITE)
1022	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1260	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1023		1261
1024	const_eio (FALLOC_FL_KEEP_SIZE)	1262	const_eio (FALLOC_FL_KEEP_SIZE)
1025	const_eio (FALLOC_FL_PUNCH_HOLE)	1263	const_eio (FALLOC_FL_PUNCH_HOLE)
		1264	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1265	const_eio (FALLOC_FL_ZERO_RANGE)
		1266	const_eio (FALLOC_FL_INSERT_RANGE)
		1267	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1268
		1269	const_eio (RENAME_NOREPLACE)
		1270	const_eio (RENAME_EXCHANGE)
		1271	const_eio (RENAME_WHITEOUT)
1026		1272
1027	const_eio (READDIR_DENTS)	1273	const_eio (READDIR_DENTS)
1028	const_eio (READDIR_DIRS_FIRST)	1274	const_eio (READDIR_DIRS_FIRST)
1029	const_eio (READDIR_STAT_ORDER)	1275	const_eio (READDIR_STAT_ORDER)
1030	const_eio (READDIR_FOUND_UNKNOWN)	1276	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1098	PROTOTYPE: $	1344	PROTOTYPE: $
1099	CODE:	1345	CODE:
1100	max_outstanding = maxreqs;	1346	max_outstanding = maxreqs;
1101		1347
1102	void	1348	void
1103	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1349	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1104	PPCODE:	1350	PPCODE:
1105	{	1351	{
1106	dREQ;	1352	dREQ;
1107		1353
1108	req->type = EIO_WD_OPEN;	1354	req->type = EIO_WD_OPEN;
…		…
1110		1356
1111	REQ_SEND;	1357	REQ_SEND;
1112	}	1358	}
1113		1359
1114	void	1360	void
1115	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1361	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1116	PPCODE:	1362	PPCODE:
1117	{	1363	{
1118	dREQ;	1364	dREQ;
1119		1365
1120	req->type = EIO_OPEN;	1366	req->type = EIO_OPEN;
…		…
1124		1370
1125	REQ_SEND;	1371	REQ_SEND;
1126	}	1372	}
1127		1373
1128	void	1374	void
1129	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1375	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1130	ALIAS:	1376	ALIAS:
1131	aio_fsync = EIO_FSYNC	1377	aio_fsync = EIO_FSYNC
1132	aio_fdatasync = EIO_FDATASYNC	1378	aio_fdatasync = EIO_FDATASYNC
1133	aio_syncfs = EIO_SYNCFS	1379	aio_syncfs = EIO_SYNCFS
1134	PPCODE:	1380	PPCODE:
…		…
1142		1388
1143	REQ_SEND;	1389	REQ_SEND;
1144	}	1390	}
1145		1391
1146	void	1392	void
1147	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1393	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1148	PPCODE:	1394	PPCODE:
1149	{	1395	{
1150	int fd = s_fileno_croak (fh, 0);	1396	int fd = s_fileno_croak (fh, 0);
1151	dREQ;	1397	dREQ;
1152		1398
…		…
1159		1405
1160	REQ_SEND;	1406	REQ_SEND;
1161	}	1407	}
1162		1408
1163	void	1409	void
1164	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1410	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1165	PPCODE:	1411	PPCODE:
1166	{	1412	{
1167	int fd = s_fileno_croak (fh, 0);	1413	int fd = s_fileno_croak (fh, 0);
1168	dREQ;	1414	dREQ;
1169		1415
…		…
1176		1422
1177	REQ_SEND;	1423	REQ_SEND;
1178	}	1424	}
1179		1425
1180	void	1426	void
1181	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1427	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1182	PPCODE:	1428	PPCODE:
1183	{	1429	{
1184	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1430	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1185	int fd = s_fileno_croak (fh, 0);	1431	int fd = s_fileno_croak (fh, 0);
1186	dREQ;	1432	dREQ;
…		…
1210		1456
1211	REQ_SEND;	1457	REQ_SEND;
1212	}	1458	}
1213		1459
1214	void	1460	void
1215	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1461	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1216	PPCODE:	1462	PPCODE:
1217	{	1463	{
1218	int fd = s_fileno_croak (fh, 0);	1464	int fd = s_fileno_croak (fh, 0);
1219	dREQ;	1465	dREQ;
1220		1466
…		…
1226		1472
1227	REQ_SEND;	1473	REQ_SEND;
1228	}	1474	}
1229		1475
1230	void	1476	void
1231	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1477	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1232	ALIAS:	1478	ALIAS:
1233	aio_read = EIO_READ	1479	aio_read = EIO_READ
1234	aio_write = EIO_WRITE	1480	aio_write = EIO_WRITE
1235	PPCODE:	1481	PPCODE:
1236	{	1482	{
…		…
1252	len = svlen - dataoffset;	1498	len = svlen - dataoffset;
1253	}	1499	}
1254	else	1500	else
1255	{	1501	{
1256	/* read: check type and grow scalar as necessary */	1502	/* read: check type and grow scalar as necessary */
1257	SvUPGRADE (data, SVt_PV);
1258	if (SvLEN (data) >= SvCUR (data))	1503	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1259	svptr = SvGROW (data, len + dataoffset + 1);	1504	svptr = sv_grow (data, len + dataoffset + 1);
1260	else if (SvCUR (data) < len + dataoffset)	1505	else if (SvCUR (data) < len + dataoffset)
1261	croak ("length + dataoffset outside of scalar, and cannot grow");	1506	croak ("length + dataoffset outside of scalar, and cannot grow");
1262	}	1507	}
1263		1508
1264	{	1509	{
…		…
1282	REQ_SEND;	1527	REQ_SEND;
1283	}	1528	}
1284	}	1529	}
1285		1530
1286	void	1531	void
		1532	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1533	ALIAS:
		1534	aio_ioctl = EIO_IOCTL
		1535	aio_fcntl = EIO_FCNTL
		1536	PPCODE:
		1537	{
		1538	int fd = s_fileno_croak (fh, 0);
		1539	char *svptr;
		1540
		1541	if (SvPOK (arg) || !SvNIOK (arg))
		1542	{
		1543	STRLEN svlen;
		1544	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1545	#ifdef IOCPARM_LEN
		1546	STRLEN need = IOCPARM_LEN (request);
		1547	#else
		1548	STRLEN need = 256;
		1549	#endif
		1550
		1551	if (svlen < need)
		1552	svptr = SvGROW (arg, need);
		1553	}
		1554	else
		1555	svptr = (char *)SvIV (arg);
		1556
		1557	{
		1558	dREQ;
		1559
		1560	req->type = ix;
		1561	req->sv1 = newSVsv (fh);
		1562	req->int1 = fd;
		1563	req->int2 = (long)request;
		1564	req->sv2 = SvREFCNT_inc (arg);
		1565	req->ptr2 = svptr;
		1566
		1567	REQ_SEND;
		1568	}
		1569	}
		1570
		1571	void
1287	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1572	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1288	ALIAS:	1573	ALIAS:
1289	aio_readlink = EIO_READLINK	1574	aio_readlink = EIO_READLINK
1290	aio_realpath = EIO_REALPATH	1575	aio_realpath = EIO_REALPATH
1291	PPCODE:	1576	PPCODE:
1292	{	1577	{
…		…
1297		1582
1298	REQ_SEND;	1583	REQ_SEND;
1299	}	1584	}
1300		1585
1301	void	1586	void
1302	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1587	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1303	PPCODE:	1588	PPCODE:
1304	{	1589	{
1305	int ifd = s_fileno_croak (in_fh , 0);	1590	int ifd = s_fileno_croak (in_fh , 0);
1306	int ofd = s_fileno_croak (out_fh, 1);	1591	int ofd = s_fileno_croak (out_fh, 1);
1307	dREQ;	1592	dREQ;
…		…
1316		1601
1317	REQ_SEND;	1602	REQ_SEND;
1318	}	1603	}
1319		1604
1320	void	1605	void
1321	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1606	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1322	PPCODE:	1607	PPCODE:
1323	{	1608	{
1324	int fd = s_fileno_croak (fh, 0);	1609	int fd = s_fileno_croak (fh, 0);
1325	dREQ;	1610	dREQ;
1326		1611
…		…
1332		1617
1333	REQ_SEND;	1618	REQ_SEND;
1334	}	1619	}
1335		1620
1336	void	1621	void
1337	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1622	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1338	ALIAS:	1623	ALIAS:
1339	aio_stat = EIO_STAT	1624	aio_stat = EIO_STAT
1340	aio_lstat = EIO_LSTAT	1625	aio_lstat = EIO_LSTAT
1341	aio_statvfs = EIO_STATVFS	1626	aio_statvfs = EIO_STATVFS
1342	PPCODE:	1627	PPCODE:
…		…
1345		1630
1346	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1631	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1347		1632
1348	REQ_SEND;	1633	REQ_SEND;
1349	}	1634	}
		1635
		1636	void
		1637	st_xtime ()
		1638	ALIAS:
		1639	st_atime = 1
		1640	st_mtime = 2
		1641	st_ctime = 4
		1642	st_xtime = 7
		1643	PPCODE:
		1644	EXTEND (SP, 3);
		1645	if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1646	if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1647	if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1648
		1649	void
		1650	st_xtimensec ()
		1651	ALIAS:
		1652	st_atimensec = 1
		1653	st_mtimensec = 2
		1654	st_ctimensec = 4
		1655	st_xtimensec = 7
		1656	PPCODE:
		1657	EXTEND (SP, 3);
		1658	if (ix & 1) PUSHs (newSViv (ATIMENSEC));
		1659	if (ix & 2) PUSHs (newSViv (MTIMENSEC));
		1660	if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1350		1661
1351	UV	1662	UV
1352	major (UV dev)	1663	major (UV dev)
1353	ALIAS:	1664	ALIAS:
1354	minor = 1	1665	minor = 1
1355	CODE:	1666	CODE:
1356	RETVAL = ix ? major (dev) : minor (dev);	1667	RETVAL = ix ? minor (dev) : major (dev);
1357	OUTPUT:	1668	OUTPUT:
1358	RETVAL	1669	RETVAL
1359		1670
1360	UV	1671	UV
1361	makedev (UV maj, UV min)	1672	makedev (UV maj, UV min)
…		…
1363	RETVAL = makedev (maj, min);	1674	RETVAL = makedev (maj, min);
1364	OUTPUT:	1675	OUTPUT:
1365	RETVAL	1676	RETVAL
1366		1677
1367	void	1678	void
1368	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1679	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1369	PPCODE:	1680	PPCODE:
1370	{	1681	{
1371	dREQ;	1682	dREQ;
1372		1683
1373	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1684	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1376		1687
1377	REQ_SEND;	1688	REQ_SEND;
1378	}	1689	}
1379		1690
1380	void	1691	void
1381	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1692	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1382	PPCODE:	1693	PPCODE:
1383	{	1694	{
1384	dREQ;	1695	dREQ;
1385		1696
1386	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1697	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1388		1699
1389	REQ_SEND;	1700	REQ_SEND;
1390	}	1701	}
1391		1702
1392	void	1703	void
1393	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1704	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1394	PPCODE:	1705	PPCODE:
1395	{	1706	{
1396	dREQ;	1707	dREQ;
1397		1708
1398	req->int2 = mode;	1709	req->int2 = mode;
…		…
1400		1711
1401	REQ_SEND;	1712	REQ_SEND;
1402	}	1713	}
1403		1714
1404	void	1715	void
1405	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1716	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1406	PPCODE:	1717	PPCODE:
1407	{	1718	{
1408	dREQ;	1719	dREQ;
1409		1720
1410	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1721	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1413		1724
1414	REQ_SEND;	1725	REQ_SEND;
1415	}	1726	}
1416		1727
1417	void	1728	void
1418	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1729	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1419	PPCODE:	1730	PPCODE:
1420	{	1731	{
1421	dREQ;	1732	dREQ;
1422		1733
1423	req->type = EIO_READDIR;	1734	req->type = EIO_READDIR;
…		…
1430		1741
1431	REQ_SEND;	1742	REQ_SEND;
1432	}	1743	}
1433		1744
1434	void	1745	void
1435	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1746	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1436	PPCODE:	1747	PPCODE:
1437	{	1748	{
1438	dREQ;	1749	dREQ;
1439		1750
1440	req->type = EIO_MKDIR;	1751	req->type = EIO_MKDIR;
…		…
1443		1754
1444	REQ_SEND;	1755	REQ_SEND;
1445	}	1756	}
1446		1757
1447	void	1758	void
1448	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1759	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1449	ALIAS:	1760	ALIAS:
1450	aio_unlink = EIO_UNLINK	1761	aio_unlink = EIO_UNLINK
1451	aio_rmdir = EIO_RMDIR	1762	aio_rmdir = EIO_RMDIR
1452	aio_readdir = EIO_READDIR	1763	aio_readdir = EIO_READDIR
1453	PPCODE:	1764	PPCODE:
…		…
1459		1770
1460	REQ_SEND;	1771	REQ_SEND;
1461	}	1772	}
1462		1773
1463	void	1774	void
1464	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1775	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1465	ALIAS:	1776	ALIAS:
1466	aio_link = EIO_LINK	1777	aio_link = EIO_LINK
1467	aio_symlink = EIO_SYMLINK	1778	aio_symlink = EIO_SYMLINK
1468	aio_rename = EIO_RENAME	1779	aio_rename = EIO_RENAME
1469	PPCODE:	1780	PPCODE:
…		…
1478		1789
1479	REQ_SEND;	1790	REQ_SEND;
1480	}	1791	}
1481		1792
1482	void	1793	void
		1794	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1795	PPCODE:
		1796	{
		1797	eio_wd wd2 = 0;
		1798	dREQ;
		1799
		1800	req->type = EIO_RENAME;
		1801	req_set_path1 (req, oldpath);
		1802	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1803	req->int2 = flags;
		1804	req->int3 = (long)wd2;
		1805
		1806	REQ_SEND;
		1807	}
		1808
		1809	void
1483	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1810	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1484	PPCODE:	1811	PPCODE:
1485	{	1812	{
1486	dREQ;	1813	dREQ;
1487		1814
1488	req->type = EIO_MKNOD;	1815	req->type = EIO_MKNOD;
…		…
1492		1819
1493	REQ_SEND;	1820	REQ_SEND;
1494	}	1821	}
1495		1822
1496	void	1823	void
1497	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1824	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1498	ALIAS:	1825	ALIAS:
1499	aio_mtouch = EIO_MTOUCH	1826	aio_mtouch = EIO_MTOUCH
1500	aio_msync = EIO_MSYNC	1827	aio_msync = EIO_MSYNC
1501	PPCODE:	1828	PPCODE:
1502	{	1829	{
1503	STRLEN svlen;	1830	STRLEN svlen;
1504	char *svptr = SvPVbyte (data, svlen);	1831	char *svptr = SvPVbyte (data, svlen);
1505	UV len = SvUV (length);	1832	UV len = SvUV (length);
		1833
		1834	if (flags < 0)
		1835	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1506		1836
1507	if (offset < 0)	1837	if (offset < 0)
1508	offset += svlen;	1838	offset += svlen;
1509		1839
1510	if (offset < 0 || offset > svlen)	1840	if (offset < 0 || offset > svlen)
…		…
1525	REQ_SEND;	1855	REQ_SEND;
1526	}	1856	}
1527	}	1857	}
1528		1858
1529	void	1859	void
1530	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1860	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1531	PPCODE:	1861	PPCODE:
1532	{	1862	{
1533	STRLEN svlen;	1863	STRLEN svlen;
1534	char *svptr = SvPVbyte (data, svlen);	1864	char *svptr = SvPVbyte (data, svlen);
1535	UV len = SvUV (length);	1865	UV len = SvUV (length);
…		…
1554	REQ_SEND;	1884	REQ_SEND;
1555	}	1885	}
1556	}	1886	}
1557		1887
1558	void	1888	void
1559	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1889	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1560	PPCODE:	1890	PPCODE:
1561	{	1891	{
1562	dREQ;	1892	dREQ;
1563		1893
1564	req->type = EIO_MLOCKALL;	1894	req->type = EIO_MLOCKALL;
…		…
1566		1896
1567	REQ_SEND;	1897	REQ_SEND;
1568	}	1898	}
1569		1899
1570	void	1900	void
1571	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	1901	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1572	PPCODE:	1902	PPCODE:
1573	{	1903	{
1574	int fd = s_fileno_croak (fh, 0);	1904	int fd = s_fileno_croak (fh, 0);
1575	dREQ;	1905	dREQ;
1576		1906
…		…
1589		1919
1590	REQ_SEND;	1920	REQ_SEND;
1591	}	1921	}
1592		1922
1593	void	1923	void
		1924	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1925	PPCODE:
		1926	{
		1927	char *svptr = 0;
		1928
		1929	sv_clear_foreign (data);
		1930
		1931	if (length) /* known length, directly read into scalar */
		1932	{
		1933	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1934	svptr = sv_grow (data, length + 1);
		1935	else if (SvCUR (data) < length)
		1936	croak ("length outside of scalar, and cannot grow");
		1937	else
		1938	svptr = SvPVbyte_nolen (data);
		1939	}
		1940
		1941	{
		1942	dREQ;
		1943
		1944	req->type = EIO_SLURP;
		1945	req_set_path1 (req, pathname);
		1946	req->offs = offset;
		1947	req->size = length;
		1948	req->sv2 = SvREFCNT_inc (data);
		1949	req->ptr2 = svptr;
		1950
		1951	if (!SvREADONLY (data))
		1952	{
		1953	SvREADONLY_on (data);
		1954	req->flags |= FLAG_SV2_RO_OFF;
		1955	}
		1956
		1957	REQ_SEND;
		1958	}
		1959	}
		1960
		1961	void
1594	aio_busy (double delay, SV *callback=&PL_sv_undef)	1962	aio_busy (double delay, SV *callback = &PL_sv_undef)
1595	PPCODE:	1963	PPCODE:
1596	{	1964	{
1597	dREQ;	1965	dREQ;
1598		1966
1599	req->type = EIO_BUSY;	1967	req->type = EIO_BUSY;
…		…
1601		1969
1602	REQ_SEND;	1970	REQ_SEND;
1603	}	1971	}
1604		1972
1605	void	1973	void
1606	aio_group (SV *callback=&PL_sv_undef)	1974	aio_group (SV *callback = &PL_sv_undef)
1607	PPCODE:	1975	PPCODE:
1608	{	1976	{
1609	dREQ;	1977	dREQ;
1610		1978
1611	req->type = EIO_GROUP;	1979	req->type = EIO_GROUP;
1612		1980
		1981	PUTBACK;
1613	req_submit (req);	1982	req_submit (req);
		1983	SPAGAIN;
		1984
1614	XPUSHs (req_sv (req, aio_grp_stash));	1985	XPUSHs (req_sv (req, aio_grp_stash));
1615	}	1986	}
1616		1987
1617	void	1988	void
1618	aio_nop (SV *callback=&PL_sv_undef)	1989	aio_nop (SV *callback = &PL_sv_undef)
1619	ALIAS:	1990	ALIAS:
1620	aio_nop = EIO_NOP	1991	aio_nop = EIO_NOP
1621	aio_sync = EIO_SYNC	1992	aio_sync = EIO_SYNC
1622	PPCODE:	1993	PPCODE:
1623	{	1994	{
…		…
1627		1998
1628	REQ_SEND;	1999	REQ_SEND;
1629	}	2000	}
1630		2001
1631	int	2002	int
1632	aioreq_pri (int pri = 0)	2003	aioreq_pri (int pri = NO_INIT)
1633	CODE:	2004	CODE:
1634	RETVAL = next_pri;	2005	RETVAL = next_pri;
1635	if (items > 0)	2006	if (items > 0)
1636	{	2007	{
1637	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2008	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1727	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2098	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1728	OUTPUT:	2099	OUTPUT:
1729	RETVAL	2100	RETVAL
1730		2101
1731	void	2102	void
1732	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2103	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1733	PPCODE:	2104	PPCODE:
1734	sv_unmagic (scalar, MMAP_MAGIC);	2105	sv_clear_foreign (scalar);
1735	{	2106	{
1736	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2107	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1737	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2108	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1738	if (addr == (void *)-1)	2109	if (addr == (void *)-1)
1739	XSRETURN_NO;	2110	XSRETURN_NO;
1740		2111
1741	sv_force_normal (scalar);	2112	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1742
1743	/* we store the length in mg_obj, as namlen is I32 :/ */
1744	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1745	->mg_obj = (SV *)length;
1746
1747	SvUPGRADE (scalar, SVt_PV); /* nop... */
1748		2113
1749	if (!(prot & PROT_WRITE))	2114	if (!(prot & PROT_WRITE))
1750	SvREADONLY_on (scalar);	2115	SvREADONLY_on (scalar);
1751		2116
1752	if (SvLEN (scalar))
1753	Safefree (SvPVX (scalar));
1754
1755	SvPVX (scalar) = (char *)addr;
1756	SvCUR_set (scalar, length);
1757	SvLEN_set (scalar, 0);
1758	SvPOK_only (scalar);
1759
1760	XSRETURN_YES;	2117	XSRETURN_YES;
1761	}	2118	}
1762		2119
1763	void	2120	void
1764	munmap (SV *scalar)	2121	munmap (SV *scalar)
1765	CODE:	2122	CODE:
1766	sv_unmagic (scalar, MMAP_MAGIC);	2123	sv_clear_foreign (scalar);
		2124
		2125	SV *
		2126	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2127	CODE:
		2128	{
		2129	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2130	void *new;
		2131
		2132	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2133	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2134
		2135	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2136
		2137	RETVAL = &PL_sv_no;
		2138
		2139	if (new != (void *)-1)
		2140	{
		2141	RETVAL = new == (void *)mg->mg_ptr
		2142	? newSVpvn ("0 but true", 10)
		2143	: &PL_sv_yes;
		2144
		2145	mg->mg_ptr = (char *)new;
		2146	mg->mg_obj = (SV *)new_length;
		2147
		2148	SvPVX (scalar) = mg->mg_ptr;
		2149	SvCUR_set (scalar, new_length);
		2150	}
		2151	}
		2152	OUTPUT:
		2153	RETVAL
1767		2154
1768	int	2155	int
1769	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2156	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1770	ALIAS:	2157	ALIAS:
1771	mprotect = 1	2158	mprotect = 1
1772	CODE:	2159	CODE:
1773	{	2160	{
1774	STRLEN svlen;	2161	STRLEN svlen;
1775	void *addr = SvPVbyte (scalar, svlen);	2162	void *addr = SvPVbyte (scalar, svlen);
1776	size_t len = SvUV (length);	2163	STRLEN len = SvUV (length);
1777		2164
1778	if (offset < 0)	2165	if (offset < 0)
1779	offset += svlen;	2166	offset += svlen;
1780		2167
1781	if (offset < 0 || offset > svlen)	2168	if (offset < 0 || offset > svlen)
…		…
1795	}	2182	}
1796	OUTPUT:	2183	OUTPUT:
1797	RETVAL	2184	RETVAL
1798		2185
1799	int	2186	int
1800	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2187	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1801	CODE:	2188	CODE:
1802	{	2189	{
1803	STRLEN svlen;	2190	STRLEN svlen;
1804	void *addr = SvPVbyte (scalar, svlen);	2191	void *addr = SvPVbyte (scalar, svlen);
1805	size_t len = SvUV (length);	2192	size_t len = SvUV (length);
…		…
1861	#else	2248	#else
1862	RETVAL = EIO_ENOSYS ();	2249	RETVAL = EIO_ENOSYS ();
1863	#endif	2250	#endif
1864	OUTPUT:	2251	OUTPUT:
1865	RETVAL	2252	RETVAL
		2253
		2254	int
		2255	pipesize (aio_rfd rfh, int new_size = -1)
		2256	PROTOTYPE: $;$
		2257	CODE:
		2258	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2259	if (new_size >= 0)
		2260	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2261	else
		2262	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2263	#else
		2264	errno = ENOSYS;
		2265	RETVAL = -1;
		2266	#endif
		2267	OUTPUT:
		2268	RETVAL
		2269
		2270	void
		2271	pipe2 (int flags = 0)
		2272	PROTOTYPE: ;$
		2273	PPCODE:
		2274	{
		2275	int fd[2];
		2276	int res;
		2277
		2278	if (flags)
		2279	#if HAVE_PIPE2
		2280	res = pipe2 (fd, flags);
		2281	#else
		2282	res = (errno = ENOSYS, -1);
		2283	#endif
		2284	else
		2285	res = pipe (fd);
		2286
		2287	if (!res)
		2288	{
		2289	EXTEND (SP, 2);
		2290	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2291	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2292	}
		2293	}
		2294
		2295	void
		2296	eventfd (unsigned int initval = 0, int flags = 0)
		2297	PPCODE:
		2298	{
		2299	int fd;
		2300	#if HAVE_EVENTFD
		2301	fd = eventfd (initval, flags);
		2302	#else
		2303	fd = (errno = ENOSYS, -1);
		2304	#endif
		2305
		2306	XPUSHs (newmortalFH (fd, O_RDWR));
		2307	}
		2308
		2309	void
		2310	timerfd_create (int clockid, int flags = 0)
		2311	PPCODE:
		2312	{
		2313	int fd;
		2314	#if HAVE_TIMERFD
		2315	fd = timerfd_create (clockid, flags);
		2316	#else
		2317	fd = (errno = ENOSYS, -1);
		2318	#endif
		2319
		2320	XPUSHs (newmortalFH (fd, O_RDWR));
		2321	}
		2322
		2323	void
		2324	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2325	PPCODE:
		2326	{
		2327	int fd = s_fileno_croak (fh, 0);
		2328	#if HAVE_TIMERFD
		2329	int res;
		2330	struct itimerspec its, ots;
		2331
		2332	ts_set (&its.it_interval, interval);
		2333	ts_set (&its.it_value , value);
		2334	res = timerfd_settime (fd, flags, &its, &ots);
		2335
		2336	if (!res)
		2337	{
		2338	EXTEND (SP, 2);
		2339	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2340	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2341	}
		2342	#else
		2343	errno = ENOSYS;
		2344	#endif
		2345	}
		2346
		2347	void
		2348	timerfd_gettime (SV *fh)
		2349	PPCODE:
		2350	{
		2351	int fd = s_fileno_croak (fh, 0);
		2352	#if HAVE_TIMERFD
		2353	int res;
		2354	struct itimerspec ots;
		2355	res = timerfd_gettime (fd, &ots);
		2356
		2357	if (!res)
		2358	{
		2359	EXTEND (SP, 2);
		2360	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2361	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2362	}
		2363	#else
		2364	errno = ENOSYS;
		2365	#endif
		2366	}
		2367
		2368	UV
		2369	get_fdlimit ()
		2370	CODE:
		2371	#if HAVE_RLIMITS
		2372	struct rlimit rl;
		2373	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2374	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2375	#endif
		2376	XSRETURN_UNDEF;
		2377	OUTPUT:
		2378	RETVAL
		2379
		2380	void
		2381	min_fdlimit (UV limit = 0x7fffffffU)
		2382	CODE:
		2383	{
		2384	#if HAVE_RLIMITS
		2385	struct rlimit rl;
		2386	rlim_t orig_rlim_max;
		2387	UV bit;
		2388
		2389	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2390	goto fail;
		2391
		2392	if (rl.rlim_cur == RLIM_INFINITY)
		2393	XSRETURN_YES;
		2394
		2395	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2396
		2397	if (rl.rlim_cur < limit)
		2398	{
		2399	rl.rlim_cur = limit;
		2400
		2401	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2402	rl.rlim_max = rl.rlim_cur;
		2403	}
		2404
		2405	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2406	XSRETURN_YES;
		2407
		2408	if (errno == EPERM)
		2409	{
		2410	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2411	/* our limit overflows a system-wide limit */
		2412	/* try an adaptive algorithm, but do not lower the hardlimit */
		2413	rl.rlim_max = 0;
		2414	for (bit = 0x40000000U; bit; bit >>= 1)
		2415	{
		2416	rl.rlim_max |= bit;
		2417	rl.rlim_cur = rl.rlim_max;
		2418
		2419	/* nevr decrease the hard limit */
		2420	if (rl.rlim_max < orig_rlim_max)
		2421	break;
		2422
		2423	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2424	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2425	}
		2426
		2427	/* now, raise the soft limit to the max permitted */
		2428	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2429	{
		2430	rl.rlim_cur = rl.rlim_max;
		2431	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2432	errno = EPERM;
		2433	}
		2434	}
		2435	#endif
		2436	fail:
		2437	XSRETURN_UNDEF;
		2438	}
1866		2439
1867	void _on_next_submit (SV *cb)	2440	void _on_next_submit (SV *cb)
1868	CODE:	2441	CODE:
1869	SvREFCNT_dec (on_next_submit);	2442	SvREFCNT_dec (on_next_submit);
1870	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2443	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1905	cancel (aio_req_ornot req)	2478	cancel (aio_req_ornot req)
1906	CODE:	2479	CODE:
1907	eio_cancel (req);	2480	eio_cancel (req);
1908		2481
1909	void	2482	void
1910	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2483	cb (aio_req_ornot req, SV *callback = NO_INIT)
1911	PPCODE:	2484	PPCODE:
1912	{	2485	{
1913	if (GIMME_V != G_VOID)	2486	if (GIMME_V != G_VOID)
1914	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2487	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1915		2488
1916	if (items > 1)	2489	if (items > 1)
1917	{	2490	{
1918	SV *cb_cv =get_cb (callback);	2491	SV *cb_cv = get_cb (callback);
1919		2492
1920	SvREFCNT_dec (req->callback);	2493	SvREFCNT_dec (req->callback);
1921	req->callback = SvREFCNT_inc (cb_cv);	2494	req->callback = SvREFCNT_inc (cb_cv);
1922	}	2495	}
1923	}	2496	}
…		…
1980	limit (aio_req grp, int limit)	2553	limit (aio_req grp, int limit)
1981	CODE:	2554	CODE:
1982	eio_grp_limit (grp, limit);	2555	eio_grp_limit (grp, limit);
1983		2556
1984	void	2557	void
1985	feed (aio_req grp, SV *callback=&PL_sv_undef)	2558	feed (aio_req grp, SV *callback = &PL_sv_undef)
1986	CODE:	2559	CODE:
1987	{	2560	{
1988	SvREFCNT_dec (grp->sv2);	2561	SvREFCNT_dec (grp->sv2);
1989	grp->sv2 = newSVsv (callback);	2562	grp->sv2 = newSVsv (callback);
1990	grp->feed = aio_grp_feed;	2563	grp->feed = aio_grp_feed;

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