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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.225 by root, Sat Dec 29 09:35:39 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)
…		…
156	#endif	195	#endif
157		196
158	#if PAGESIZE <= 0	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)
…		…
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
…		…
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) < 0)	363	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224	return;	364	return;
225		365
		366	if (!incmap->fm_mapped_extents)
		367	goto done;
		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)
230	return;	373	return;
…		…
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	{
…		…
584	SvSETMAGIC (req->sv2);	725	SvSETMAGIC (req->sv2);
585	PUSHs (sv_result);	726	PUSHs (sv_result);
586	}	727	}
587	break;	728	break;
588		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
589	case EIO_CUSTOM:	754	case EIO_CUSTOM:
590	if (req->feed == fiemap)	755	if (req->feed == fiemap)
591	{	756	{
592	#if HAVE_FIEMAP	757	#if HAVE_FIEMAP
593	if (!req->result)	758	if (!req->result)
…		…
698	{	863	{
699	while (eio_nreqs ())	864	while (eio_nreqs ())
700	{	865	{
701	int size;	866	int size;
702		867
703	X_LOCK (reslock);	868	X_LOCK (EIO_POOL->reslock);
704	size = res_queue.size;	869	size = EIO_POOL->res_queue.size;
705	X_UNLOCK (reslock);	870	X_UNLOCK (EIO_POOL->reslock);
706		871
707	if (size)	872	if (size)
708	return;	873	return;
709		874
710	etp_maybe_start_thread ();	875	etp_maybe_start_thread (EIO_POOL);
711		876
712	s_epipe_wait (&respipe);	877	s_epipe_wait (&respipe);
713	}	878	}
714	}	879	}
715		880
…		…
736	create_respipe ();	901	create_respipe ();
737		902
738	if (eio_init (want_poll, done_poll) < 0)	903	if (eio_init (want_poll, done_poll) < 0)
739	croak ("IO::AIO: unable to initialise eio library");	904	croak ("IO::AIO: unable to initialise eio library");
740	}	905	}
741
742	/*****************************************************************************/
743
744	#if !_POSIX_MAPPED_FILES
745	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
746	# define munmap(addr,length) EIO_ENOSYS ()
747	#endif
748
749	#if !_POSIX_MEMORY_PROTECTION
750	# define mprotect(addr,len,prot) EIO_ENOSYS ()
751	# define PROT_NONE 0
752	# define PROT_WRITE 0
753	# define MAP_PRIVATE 0
754	# define MAP_SHARED 0
755	# define MAP_FIXED 0
756	#endif
757
758	#define MMAP_MAGIC PERL_MAGIC_ext
759
760	static int ecb_cold
761	mmap_free (pTHX_ SV *sv, MAGIC *mg)
762	{
763	int old_errno = errno;
764	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
765	errno = old_errno;
766
767	mg->mg_obj = 0; /* just in case */
768
769	SvREADONLY_off (sv);
770
771	if (SvPVX (sv) != mg->mg_ptr)
772	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
773
774	SvCUR_set (sv, 0);
775	SvPVX (sv) = 0;
776	SvOK_off (sv);
777
778	return 0;
779	}
780
781	static MGVTBL mmap_vtbl = {
782	0, 0, 0, 0, mmap_free
783	};
784		906
785	/*****************************************************************************/	907	/*****************************************************************************/
786		908
787	static SV *	909	static SV *
788	get_cb (SV *cb_sv)	910	get_cb (SV *cb_sv)
…		…
884	req_set_path1 (req, fh_or_path);	1006	req_set_path1 (req, fh_or_path);
885	break;	1007	break;
886	}	1008	}
887	}	1009	}
888		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
889	XS(boot_IO__AIO) ecb_cold;	1028	XS(boot_IO__AIO) ecb_cold;
890		1029
891	MODULE = IO::AIO PACKAGE = IO::AIO	1030	MODULE = IO::AIO PACKAGE = IO::AIO
892		1031
893	PROTOTYPES: ENABLE	1032	PROTOTYPES: ENABLE
…		…
900	} *civ, const_iv[] = {	1039	} *civ, const_iv[] = {
901	# define const_niv(name, value) { # name, (IV) value },	1040	# define const_niv(name, value) { # name, (IV) value },
902	# define const_iv(name) { # name, (IV) name },	1041	# define const_iv(name) { # name, (IV) name },
903	# define const_eio(name) { # name, (IV) EIO_ ## name },	1042	# define const_eio(name) { # name, (IV) EIO_ ## name },
904		1043
905	/* 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 */
906		1045	/* the first block can be undef if missing */
907	const_iv (ENOSYS)	1046	const_iv (ENOSYS)
908	const_iv (EXDEV)	1047	const_iv (EXDEV)
909	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)
910		1069
911	const_iv (O_RDONLY)	1070	const_iv (O_RDONLY)
912	const_iv (O_WRONLY)	1071	const_iv (O_WRONLY)
913	const_iv (O_RDWR)	1072	const_iv (O_RDWR)
914	const_iv (O_CREAT)	1073	const_iv (O_CREAT)
…		…
928	const_iv (O_SEARCH)	1087	const_iv (O_SEARCH)
929	const_iv (O_DIRECTORY)	1088	const_iv (O_DIRECTORY)
930	const_iv (O_DSYNC)	1089	const_iv (O_DSYNC)
931	const_iv (O_RSYNC)	1090	const_iv (O_RSYNC)
932	const_iv (O_SYNC)	1091	const_iv (O_SYNC)
		1092	const_iv (O_PATH)
		1093	const_iv (O_TMPFILE)
933	const_iv (O_TTY_INIT)	1094	const_iv (O_TTY_INIT)
934		1095
935	const_iv (S_IFIFO)	1096	const_iv (S_IFIFO)
936	const_iv (S_IFCHR)	1097	const_iv (S_IFCHR)
937	const_iv (S_IFBLK)	1098	const_iv (S_IFBLK)
…		…
939	const_iv (S_IFREG)	1100	const_iv (S_IFREG)
940	const_iv (S_IFDIR)	1101	const_iv (S_IFDIR)
941	const_iv (S_IFWHT)	1102	const_iv (S_IFWHT)
942	const_iv (S_IFSOCK)	1103	const_iv (S_IFSOCK)
943	const_iv (S_IFMT)	1104	const_iv (S_IFMT)
944
945	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
946	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
947	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
948	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
949	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
950	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
951
952	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
953	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
954	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
955	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
956	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
957		1105
958	const_iv (ST_RDONLY)	1106	const_iv (ST_RDONLY)
959	const_iv (ST_NOSUID)	1107	const_iv (ST_NOSUID)
960	const_iv (ST_NODEV)	1108	const_iv (ST_NODEV)
961	const_iv (ST_NOEXEC)	1109	const_iv (ST_NOEXEC)
…		…
971	const_iv (PROT_NONE)	1119	const_iv (PROT_NONE)
972	const_iv (PROT_EXEC)	1120	const_iv (PROT_EXEC)
973	const_iv (PROT_READ)	1121	const_iv (PROT_READ)
974	const_iv (PROT_WRITE)	1122	const_iv (PROT_WRITE)
975		1123
976	/*const_iv (MAP_FIXED)*/
977	const_iv (MAP_PRIVATE)	1124	const_iv (MAP_PRIVATE)
978	const_iv (MAP_SHARED)	1125	const_iv (MAP_SHARED)
		1126	const_iv (MAP_FIXED)
979	const_iv (MAP_ANONYMOUS)	1127	const_iv (MAP_ANONYMOUS)
980		1128
981	/* linuxish */	1129	/* linuxish */
982	const_iv (MAP_HUGETLB)
983	const_iv (MAP_LOCKED)	1130	const_iv (MAP_LOCKED)
984	const_iv (MAP_NORESERVE)	1131	const_iv (MAP_NORESERVE)
985	const_iv (MAP_POPULATE)	1132	const_iv (MAP_POPULATE)
986	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)
987		1207
988	const_iv (FIEMAP_FLAG_SYNC)	1208	const_iv (FIEMAP_FLAG_SYNC)
989	const_iv (FIEMAP_FLAG_XATTR)	1209	const_iv (FIEMAP_FLAG_XATTR)
990	const_iv (FIEMAP_FLAGS_COMPAT)	1210	const_iv (FIEMAP_FLAGS_COMPAT)
991	const_iv (FIEMAP_EXTENT_LAST)	1211	const_iv (FIEMAP_EXTENT_LAST)
…		…
1003	const_iv (SPLICE_F_MOVE)	1223	const_iv (SPLICE_F_MOVE)
1004	const_iv (SPLICE_F_NONBLOCK)	1224	const_iv (SPLICE_F_NONBLOCK)
1005	const_iv (SPLICE_F_MORE)	1225	const_iv (SPLICE_F_MORE)
1006	const_iv (SPLICE_F_GIFT)	1226	const_iv (SPLICE_F_GIFT)
1007		1227
1008	const_iv (SEEK_DATA)	1228	const_iv (EFD_CLOEXEC)
		1229	const_iv (EFD_NONBLOCK)
1009	const_iv (SEEK_HOLE)	1230	const_iv (EFD_SEMAPHORE)
1010		1231
1011	/* 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 */
1012	const_eio (SEEK_SET)	1245	const_eio (SEEK_SET)
1013	const_eio (SEEK_CUR)	1246	const_eio (SEEK_CUR)
1014	const_eio (SEEK_END)	1247	const_eio (SEEK_END)
1015		1248
1016	const_eio (MCL_FUTURE)	1249	const_eio (MCL_FUTURE)
…		…
1026	const_eio (SYNC_FILE_RANGE_WRITE)	1259	const_eio (SYNC_FILE_RANGE_WRITE)
1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1260	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1028		1261
1029	const_eio (FALLOC_FL_KEEP_SIZE)	1262	const_eio (FALLOC_FL_KEEP_SIZE)
1030	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)
1031		1272
1032	const_eio (READDIR_DENTS)	1273	const_eio (READDIR_DENTS)
1033	const_eio (READDIR_DIRS_FIRST)	1274	const_eio (READDIR_DIRS_FIRST)
1034	const_eio (READDIR_STAT_ORDER)	1275	const_eio (READDIR_STAT_ORDER)
1035	const_eio (READDIR_FOUND_UNKNOWN)	1276	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1103	PROTOTYPE: $	1344	PROTOTYPE: $
1104	CODE:	1345	CODE:
1105	max_outstanding = maxreqs;	1346	max_outstanding = maxreqs;
1106		1347
1107	void	1348	void
1108	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1349	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1109	PPCODE:	1350	PPCODE:
1110	{	1351	{
1111	dREQ;	1352	dREQ;
1112		1353
1113	req->type = EIO_WD_OPEN;	1354	req->type = EIO_WD_OPEN;
…		…
1115		1356
1116	REQ_SEND;	1357	REQ_SEND;
1117	}	1358	}
1118		1359
1119	void	1360	void
1120	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)
1121	PPCODE:	1362	PPCODE:
1122	{	1363	{
1123	dREQ;	1364	dREQ;
1124		1365
1125	req->type = EIO_OPEN;	1366	req->type = EIO_OPEN;
…		…
1129		1370
1130	REQ_SEND;	1371	REQ_SEND;
1131	}	1372	}
1132		1373
1133	void	1374	void
1134	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1375	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1135	ALIAS:	1376	ALIAS:
1136	aio_fsync = EIO_FSYNC	1377	aio_fsync = EIO_FSYNC
1137	aio_fdatasync = EIO_FDATASYNC	1378	aio_fdatasync = EIO_FDATASYNC
1138	aio_syncfs = EIO_SYNCFS	1379	aio_syncfs = EIO_SYNCFS
1139	PPCODE:	1380	PPCODE:
…		…
1147		1388
1148	REQ_SEND;	1389	REQ_SEND;
1149	}	1390	}
1150		1391
1151	void	1392	void
1152	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)
1153	PPCODE:	1394	PPCODE:
1154	{	1395	{
1155	int fd = s_fileno_croak (fh, 0);	1396	int fd = s_fileno_croak (fh, 0);
1156	dREQ;	1397	dREQ;
1157		1398
…		…
1164		1405
1165	REQ_SEND;	1406	REQ_SEND;
1166	}	1407	}
1167		1408
1168	void	1409	void
1169	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)
1170	PPCODE:	1411	PPCODE:
1171	{	1412	{
1172	int fd = s_fileno_croak (fh, 0);	1413	int fd = s_fileno_croak (fh, 0);
1173	dREQ;	1414	dREQ;
1174		1415
…		…
1181		1422
1182	REQ_SEND;	1423	REQ_SEND;
1183	}	1424	}
1184		1425
1185	void	1426	void
1186	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1427	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1187	PPCODE:	1428	PPCODE:
1188	{	1429	{
1189	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 */
1190	int fd = s_fileno_croak (fh, 0);	1431	int fd = s_fileno_croak (fh, 0);
1191	dREQ;	1432	dREQ;
…		…
1215		1456
1216	REQ_SEND;	1457	REQ_SEND;
1217	}	1458	}
1218		1459
1219	void	1460	void
1220	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)
1221	PPCODE:	1462	PPCODE:
1222	{	1463	{
1223	int fd = s_fileno_croak (fh, 0);	1464	int fd = s_fileno_croak (fh, 0);
1224	dREQ;	1465	dREQ;
1225		1466
…		…
1231		1472
1232	REQ_SEND;	1473	REQ_SEND;
1233	}	1474	}
1234		1475
1235	void	1476	void
1236	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)
1237	ALIAS:	1478	ALIAS:
1238	aio_read = EIO_READ	1479	aio_read = EIO_READ
1239	aio_write = EIO_WRITE	1480	aio_write = EIO_WRITE
1240	PPCODE:	1481	PPCODE:
1241	{	1482	{
…		…
1257	len = svlen - dataoffset;	1498	len = svlen - dataoffset;
1258	}	1499	}
1259	else	1500	else
1260	{	1501	{
1261	/* read: check type and grow scalar as necessary */	1502	/* read: check type and grow scalar as necessary */
1262	SvUPGRADE (data, SVt_PV);
1263	if (SvLEN (data) >= SvCUR (data))	1503	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1264	svptr = SvGROW (data, len + dataoffset + 1);	1504	svptr = sv_grow (data, len + dataoffset + 1);
1265	else if (SvCUR (data) < len + dataoffset)	1505	else if (SvCUR (data) < len + dataoffset)
1266	croak ("length + dataoffset outside of scalar, and cannot grow");	1506	croak ("length + dataoffset outside of scalar, and cannot grow");
1267	}	1507	}
1268		1508
1269	{	1509	{
…		…
1287	REQ_SEND;	1527	REQ_SEND;
1288	}	1528	}
1289	}	1529	}
1290		1530
1291	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
1292	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1572	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1293	ALIAS:	1573	ALIAS:
1294	aio_readlink = EIO_READLINK	1574	aio_readlink = EIO_READLINK
1295	aio_realpath = EIO_REALPATH	1575	aio_realpath = EIO_REALPATH
1296	PPCODE:	1576	PPCODE:
1297	{	1577	{
…		…
1302		1582
1303	REQ_SEND;	1583	REQ_SEND;
1304	}	1584	}
1305		1585
1306	void	1586	void
1307	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)
1308	PPCODE:	1588	PPCODE:
1309	{	1589	{
1310	int ifd = s_fileno_croak (in_fh , 0);	1590	int ifd = s_fileno_croak (in_fh , 0);
1311	int ofd = s_fileno_croak (out_fh, 1);	1591	int ofd = s_fileno_croak (out_fh, 1);
1312	dREQ;	1592	dREQ;
…		…
1321		1601
1322	REQ_SEND;	1602	REQ_SEND;
1323	}	1603	}
1324		1604
1325	void	1605	void
1326	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)
1327	PPCODE:	1607	PPCODE:
1328	{	1608	{
1329	int fd = s_fileno_croak (fh, 0);	1609	int fd = s_fileno_croak (fh, 0);
1330	dREQ;	1610	dREQ;
1331		1611
…		…
1337		1617
1338	REQ_SEND;	1618	REQ_SEND;
1339	}	1619	}
1340		1620
1341	void	1621	void
1342	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1622	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1343	ALIAS:	1623	ALIAS:
1344	aio_stat = EIO_STAT	1624	aio_stat = EIO_STAT
1345	aio_lstat = EIO_LSTAT	1625	aio_lstat = EIO_LSTAT
1346	aio_statvfs = EIO_STATVFS	1626	aio_statvfs = EIO_STATVFS
1347	PPCODE:	1627	PPCODE:
…		…
1350		1630
1351	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);
1352		1632
1353	REQ_SEND;	1633	REQ_SEND;
1354	}	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));
1355		1661
1356	UV	1662	UV
1357	major (UV dev)	1663	major (UV dev)
1358	ALIAS:	1664	ALIAS:
1359	minor = 1	1665	minor = 1
1360	CODE:	1666	CODE:
1361	RETVAL = ix ? major (dev) : minor (dev);	1667	RETVAL = ix ? minor (dev) : major (dev);
1362	OUTPUT:	1668	OUTPUT:
1363	RETVAL	1669	RETVAL
1364		1670
1365	UV	1671	UV
1366	makedev (UV maj, UV min)	1672	makedev (UV maj, UV min)
…		…
1368	RETVAL = makedev (maj, min);	1674	RETVAL = makedev (maj, min);
1369	OUTPUT:	1675	OUTPUT:
1370	RETVAL	1676	RETVAL
1371		1677
1372	void	1678	void
1373	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)
1374	PPCODE:	1680	PPCODE:
1375	{	1681	{
1376	dREQ;	1682	dREQ;
1377		1683
1378	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1684	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1381		1687
1382	REQ_SEND;	1688	REQ_SEND;
1383	}	1689	}
1384		1690
1385	void	1691	void
1386	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)
1387	PPCODE:	1693	PPCODE:
1388	{	1694	{
1389	dREQ;	1695	dREQ;
1390		1696
1391	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1697	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1393		1699
1394	REQ_SEND;	1700	REQ_SEND;
1395	}	1701	}
1396		1702
1397	void	1703	void
1398	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)
1399	PPCODE:	1705	PPCODE:
1400	{	1706	{
1401	dREQ;	1707	dREQ;
1402		1708
1403	req->int2 = mode;	1709	req->int2 = mode;
…		…
1405		1711
1406	REQ_SEND;	1712	REQ_SEND;
1407	}	1713	}
1408		1714
1409	void	1715	void
1410	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)
1411	PPCODE:	1717	PPCODE:
1412	{	1718	{
1413	dREQ;	1719	dREQ;
1414		1720
1415	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1721	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1418		1724
1419	REQ_SEND;	1725	REQ_SEND;
1420	}	1726	}
1421		1727
1422	void	1728	void
1423	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1729	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1424	PPCODE:	1730	PPCODE:
1425	{	1731	{
1426	dREQ;	1732	dREQ;
1427		1733
1428	req->type = EIO_READDIR;	1734	req->type = EIO_READDIR;
…		…
1435		1741
1436	REQ_SEND;	1742	REQ_SEND;
1437	}	1743	}
1438		1744
1439	void	1745	void
1440	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1746	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1441	PPCODE:	1747	PPCODE:
1442	{	1748	{
1443	dREQ;	1749	dREQ;
1444		1750
1445	req->type = EIO_MKDIR;	1751	req->type = EIO_MKDIR;
…		…
1448		1754
1449	REQ_SEND;	1755	REQ_SEND;
1450	}	1756	}
1451		1757
1452	void	1758	void
1453	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1759	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1454	ALIAS:	1760	ALIAS:
1455	aio_unlink = EIO_UNLINK	1761	aio_unlink = EIO_UNLINK
1456	aio_rmdir = EIO_RMDIR	1762	aio_rmdir = EIO_RMDIR
1457	aio_readdir = EIO_READDIR	1763	aio_readdir = EIO_READDIR
1458	PPCODE:	1764	PPCODE:
…		…
1464		1770
1465	REQ_SEND;	1771	REQ_SEND;
1466	}	1772	}
1467		1773
1468	void	1774	void
1469	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1775	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1470	ALIAS:	1776	ALIAS:
1471	aio_link = EIO_LINK	1777	aio_link = EIO_LINK
1472	aio_symlink = EIO_SYMLINK	1778	aio_symlink = EIO_SYMLINK
1473	aio_rename = EIO_RENAME	1779	aio_rename = EIO_RENAME
1474	PPCODE:	1780	PPCODE:
…		…
1483		1789
1484	REQ_SEND;	1790	REQ_SEND;
1485	}	1791	}
1486		1792
1487	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
1488	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)
1489	PPCODE:	1811	PPCODE:
1490	{	1812	{
1491	dREQ;	1813	dREQ;
1492		1814
1493	req->type = EIO_MKNOD;	1815	req->type = EIO_MKNOD;
…		…
1497		1819
1498	REQ_SEND;	1820	REQ_SEND;
1499	}	1821	}
1500		1822
1501	void	1823	void
1502	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)
1503	ALIAS:	1825	ALIAS:
1504	aio_mtouch = EIO_MTOUCH	1826	aio_mtouch = EIO_MTOUCH
1505	aio_msync = EIO_MSYNC	1827	aio_msync = EIO_MSYNC
1506	PPCODE:	1828	PPCODE:
1507	{	1829	{
1508	STRLEN svlen;	1830	STRLEN svlen;
1509	char *svptr = SvPVbyte (data, svlen);	1831	char *svptr = SvPVbyte (data, svlen);
1510	UV len = SvUV (length);	1832	UV len = SvUV (length);
		1833
		1834	if (flags < 0)
		1835	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1511		1836
1512	if (offset < 0)	1837	if (offset < 0)
1513	offset += svlen;	1838	offset += svlen;
1514		1839
1515	if (offset < 0 || offset > svlen)	1840	if (offset < 0 || offset > svlen)
…		…
1530	REQ_SEND;	1855	REQ_SEND;
1531	}	1856	}
1532	}	1857	}
1533		1858
1534	void	1859	void
1535	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)
1536	PPCODE:	1861	PPCODE:
1537	{	1862	{
1538	STRLEN svlen;	1863	STRLEN svlen;
1539	char *svptr = SvPVbyte (data, svlen);	1864	char *svptr = SvPVbyte (data, svlen);
1540	UV len = SvUV (length);	1865	UV len = SvUV (length);
…		…
1559	REQ_SEND;	1884	REQ_SEND;
1560	}	1885	}
1561	}	1886	}
1562		1887
1563	void	1888	void
1564	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1889	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1565	PPCODE:	1890	PPCODE:
1566	{	1891	{
1567	dREQ;	1892	dREQ;
1568		1893
1569	req->type = EIO_MLOCKALL;	1894	req->type = EIO_MLOCKALL;
…		…
1571		1896
1572	REQ_SEND;	1897	REQ_SEND;
1573	}	1898	}
1574		1899
1575	void	1900	void
1576	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)
1577	PPCODE:	1902	PPCODE:
1578	{	1903	{
1579	int fd = s_fileno_croak (fh, 0);	1904	int fd = s_fileno_croak (fh, 0);
1580	dREQ;	1905	dREQ;
1581		1906
…		…
1594		1919
1595	REQ_SEND;	1920	REQ_SEND;
1596	}	1921	}
1597		1922
1598	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
1599	aio_busy (double delay, SV *callback=&PL_sv_undef)	1962	aio_busy (double delay, SV *callback = &PL_sv_undef)
1600	PPCODE:	1963	PPCODE:
1601	{	1964	{
1602	dREQ;	1965	dREQ;
1603		1966
1604	req->type = EIO_BUSY;	1967	req->type = EIO_BUSY;
…		…
1606		1969
1607	REQ_SEND;	1970	REQ_SEND;
1608	}	1971	}
1609		1972
1610	void	1973	void
1611	aio_group (SV *callback=&PL_sv_undef)	1974	aio_group (SV *callback = &PL_sv_undef)
1612	PPCODE:	1975	PPCODE:
1613	{	1976	{
1614	dREQ;	1977	dREQ;
1615		1978
1616	req->type = EIO_GROUP;	1979	req->type = EIO_GROUP;
1617		1980
		1981	PUTBACK;
1618	req_submit (req);	1982	req_submit (req);
		1983	SPAGAIN;
		1984
1619	XPUSHs (req_sv (req, aio_grp_stash));	1985	XPUSHs (req_sv (req, aio_grp_stash));
1620	}	1986	}
1621		1987
1622	void	1988	void
1623	aio_nop (SV *callback=&PL_sv_undef)	1989	aio_nop (SV *callback = &PL_sv_undef)
1624	ALIAS:	1990	ALIAS:
1625	aio_nop = EIO_NOP	1991	aio_nop = EIO_NOP
1626	aio_sync = EIO_SYNC	1992	aio_sync = EIO_SYNC
1627	PPCODE:	1993	PPCODE:
1628	{	1994	{
…		…
1632		1998
1633	REQ_SEND;	1999	REQ_SEND;
1634	}	2000	}
1635		2001
1636	int	2002	int
1637	aioreq_pri (int pri = 0)	2003	aioreq_pri (int pri = NO_INIT)
1638	CODE:	2004	CODE:
1639	RETVAL = next_pri;	2005	RETVAL = next_pri;
1640	if (items > 0)	2006	if (items > 0)
1641	{	2007	{
1642	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2008	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2098	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1733	OUTPUT:	2099	OUTPUT:
1734	RETVAL	2100	RETVAL
1735		2101
1736	void	2102	void
1737	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)
1738	PPCODE:	2104	PPCODE:
1739	sv_unmagic (scalar, MMAP_MAGIC);	2105	sv_clear_foreign (scalar);
1740	{	2106	{
1741	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;
1742	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2108	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1743	if (addr == (void *)-1)	2109	if (addr == (void *)-1)
1744	XSRETURN_NO;	2110	XSRETURN_NO;
1745		2111
1746	sv_force_normal (scalar);	2112	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1747
1748	/* we store the length in mg_obj, as namlen is I32 :/ */
1749	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1750	->mg_obj = (SV *)length;
1751
1752	SvUPGRADE (scalar, SVt_PV); /* nop... */
1753		2113
1754	if (!(prot & PROT_WRITE))	2114	if (!(prot & PROT_WRITE))
1755	SvREADONLY_on (scalar);	2115	SvREADONLY_on (scalar);
1756		2116
1757	if (SvLEN (scalar))
1758	Safefree (SvPVX (scalar));
1759
1760	SvPVX (scalar) = (char *)addr;
1761	SvCUR_set (scalar, length);
1762	SvLEN_set (scalar, 0);
1763	SvPOK_only (scalar);
1764
1765	XSRETURN_YES;	2117	XSRETURN_YES;
1766	}	2118	}
1767		2119
1768	void	2120	void
1769	munmap (SV *scalar)	2121	munmap (SV *scalar)
1770	CODE:	2122	CODE:
1771	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
1772		2154
1773	int	2155	int
1774	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)
1775	ALIAS:	2157	ALIAS:
1776	mprotect = 1	2158	mprotect = 1
1777	CODE:	2159	CODE:
1778	{	2160	{
1779	STRLEN svlen;	2161	STRLEN svlen;
1780	void *addr = SvPVbyte (scalar, svlen);	2162	void *addr = SvPVbyte (scalar, svlen);
1781	size_t len = SvUV (length);	2163	STRLEN len = SvUV (length);
1782		2164
1783	if (offset < 0)	2165	if (offset < 0)
1784	offset += svlen;	2166	offset += svlen;
1785		2167
1786	if (offset < 0 || offset > svlen)	2168	if (offset < 0 || offset > svlen)
…		…
1800	}	2182	}
1801	OUTPUT:	2183	OUTPUT:
1802	RETVAL	2184	RETVAL
1803		2185
1804	int	2186	int
1805	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2187	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1806	CODE:	2188	CODE:
1807	{	2189	{
1808	STRLEN svlen;	2190	STRLEN svlen;
1809	void *addr = SvPVbyte (scalar, svlen);	2191	void *addr = SvPVbyte (scalar, svlen);
1810	size_t len = SvUV (length);	2192	size_t len = SvUV (length);
…		…
1866	#else	2248	#else
1867	RETVAL = EIO_ENOSYS ();	2249	RETVAL = EIO_ENOSYS ();
1868	#endif	2250	#endif
1869	OUTPUT:	2251	OUTPUT:
1870	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	}
1871		2439
1872	void _on_next_submit (SV *cb)	2440	void _on_next_submit (SV *cb)
1873	CODE:	2441	CODE:
1874	SvREFCNT_dec (on_next_submit);	2442	SvREFCNT_dec (on_next_submit);
1875	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2443	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1910	cancel (aio_req_ornot req)	2478	cancel (aio_req_ornot req)
1911	CODE:	2479	CODE:
1912	eio_cancel (req);	2480	eio_cancel (req);
1913		2481
1914	void	2482	void
1915	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2483	cb (aio_req_ornot req, SV *callback = NO_INIT)
1916	PPCODE:	2484	PPCODE:
1917	{	2485	{
1918	if (GIMME_V != G_VOID)	2486	if (GIMME_V != G_VOID)
1919	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);
1920		2488
1921	if (items > 1)	2489	if (items > 1)
1922	{	2490	{
1923	SV *cb_cv =get_cb (callback);	2491	SV *cb_cv = get_cb (callback);
1924		2492
1925	SvREFCNT_dec (req->callback);	2493	SvREFCNT_dec (req->callback);
1926	req->callback = SvREFCNT_inc (cb_cv);	2494	req->callback = SvREFCNT_inc (cb_cv);
1927	}	2495	}
1928	}	2496	}
…		…
1985	limit (aio_req grp, int limit)	2553	limit (aio_req grp, int limit)
1986	CODE:	2554	CODE:
1987	eio_grp_limit (grp, limit);	2555	eio_grp_limit (grp, limit);
1988		2556
1989	void	2557	void
1990	feed (aio_req grp, SV *callback=&PL_sv_undef)	2558	feed (aio_req grp, SV *callback = &PL_sv_undef)
1991	CODE:	2559	CODE:
1992	{	2560	{
1993	SvREFCNT_dec (grp->sv2);	2561	SvREFCNT_dec (grp->sv2);
1994	grp->sv2 = newSVsv (callback);	2562	grp->sv2 = newSVsv (callback);
1995	grp->feed = aio_grp_feed;	2563	grp->feed = aio_grp_feed;

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