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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC vs.
Revision 1.266 by root, Tue Aug 14 14:03:14 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_MKDEV_H
		24	# include <sys/mkdev.h>
		25	#elif HAVE_SYS_SYSMACROS_H
		26	# include <sys/sysmacros.h>
		27	#endif
		28
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	29	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	30	# include <sys/mman.h>
22	#endif	31	#endif
23		32
24	#if __linux__	33	/* the incompetent fool that created musl keeps __linux__, refuses
		34	* to implement any linux standard apis, and also has no way to test
		35	* for his broken iplementation. don't complain to me if this fails
		36	* for you.
		37	*/
		38	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	39	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	40	# ifdef FS_IOC_FIEMAP
27	# include <linux/types.h>	41	# include <linux/types.h>
28	# include <linux/fiemap.h>	42	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	43	# define HAVE_FIEMAP 1
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	113	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	114	#define expect_true(expr) expect ((expr) != 0, 1)
101		115
102	/*****************************************************************************/	116	/*****************************************************************************/
103		117
		118	#include "config.h"
		119
		120	#if HAVE_ST_XTIMENSEC
		121	# define ATIMENSEC PL_statcache.st_atimensec
		122	# define MTIMENSEC PL_statcache.st_mtimensec
		123	# define CTIMENSEC PL_statcache.st_ctimensec
		124	#elif HAVE_ST_XTIMESPEC
		125	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		126	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		127	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		128	#else
		129	# define ATIMENSEC 0
		130	# define MTIMENSEC 0
		131	# define CTIMENSEC 0
		132	#endif
		133
		134	#include "schmorp.h"
		135
		136	#if HAVE_EVENTFD
		137	# include <sys/eventfd.h>
		138	#endif
		139
		140	#if HAVE_TIMERFD
		141	# include <sys/timerfd.h>
		142	#endif
		143
		144	#if HAVE_RLIMITS
		145	#include <sys/time.h>
		146	#include <sys/resource.h>
		147	#endif
		148
104	typedef SV SV8; /* byte-sv, used for argument-checking */	149	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	150	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	151	typedef int aio_wfd; /* write file descriptor */
107		152
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;	153	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
…		…
114	STRLEN stroffset; \	159	STRLEN stroffset; \
115	SV *self;	160	SV *self;
116		161
117	#define EIO_NO_WRAPPERS 1	162	#define EIO_NO_WRAPPERS 1
118		163
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	164	#include "libeio/eio.h"
121		165
122	static int req_invoke (eio_req *req);	166	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	167	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	168	static void req_destroy (eio_req *grp);
…		…
140	# else	184	# else
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	185	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	186	# endif
143	#endif	187	#endif
144		188
145	/* defines all sorts of constants to 0 unless they are already defined */
146	#include "def0.h"
147
148	#ifndef makedev	189	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	190	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	191	#endif
151	#ifndef major	192	#ifndef major
152	# define major(dev) ((dev) >> 8)	193	# define major(dev) ((dev) >> 8)
153	#endif	194	#endif
154	#ifndef minor	195	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	196	# define minor(dev) ((dev) & 0xff)
156	#endif	197	#endif
157		198
		199	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		200	#ifdef __sun
158	#ifndef PAGESIZE	201	# undef PAGESIZE
		202	#endif
		203
		204	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	205	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	206	#endif
		207
		208	/*****************************************************************************/
		209
		210	#if !_POSIX_MAPPED_FILES
		211	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		212	# define munmap(addr,length) EIO_ENOSYS ()
		213	#endif
		214
		215	#if !_POSIX_MEMORY_PROTECTION
		216	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		217	#endif
		218
		219	#if !MREMAP_MAYMOVE
		220	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		221	#endif
		222
		223	#define FOREIGN_MAGIC PERL_MAGIC_ext
		224
		225	static int ecb_cold
		226	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		227	{
		228	int old_errno = errno;
		229	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		230	errno = old_errno;
		231
		232	mg->mg_obj = 0; /* just in case */
		233
		234	SvREADONLY_off (sv);
		235
		236	if (SvPVX (sv) != mg->mg_ptr)
		237	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		238
		239	SvCUR_set (sv, 0);
		240	SvPVX (sv) = 0;
		241	SvOK_off (sv);
		242
		243	return 0;
		244	}
		245
		246	static MGVTBL mmap_vtbl = {
		247	0, 0, 0, 0, mmap_free
		248	};
		249
		250	static int ecb_cold
		251	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		252	{
		253	free (mg->mg_ptr);
		254	mg->mg_obj = 0; /* just in case */
		255
		256	SvREADONLY_off (sv);
		257
		258	if (SvPVX (sv) != mg->mg_ptr)
		259	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		260
		261	SvCUR_set (sv, 0);
		262	SvPVX (sv) = 0;
		263	SvOK_off (sv);
		264
		265	return 0;
		266	}
		267
		268	static MGVTBL sysfree_vtbl = {
		269	0, 0, 0, 0, sysfree_free
		270	};
		271
		272	/*****************************************************************************/
		273
		274	/* helper: set scalar to foreign ptr with custom free */
		275	static void
		276	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		277	{
		278	sv_force_normal (sv);
		279
		280	/* we store the length in mg_obj, as namlen is I32 :/ */
		281	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		282	->mg_obj = (SV *)length;
		283
		284	SvUPGRADE (sv, SVt_PV); /* nop... */
		285
		286	if (SvLEN (sv))
		287	Safefree (SvPVX (sv));
		288
		289	SvPVX (sv) = (char *)addr;
		290	SvCUR_set (sv, length);
		291	SvLEN_set (sv, 0);
		292	SvPOK_only (sv);
		293	}
		294
		295	static void
		296	sv_clear_foreign (SV *sv)
		297	{
		298	/* todo: iterate over magic and only free ours, but of course */
		299	/* the perl5porters will call that (correct) behaviour buggy */
		300	sv_unmagic (sv, FOREIGN_MAGIC);
		301	}
		302
		303	/*****************************************************************************/
		304
		305	/* defines all sorts of constants to 0 unless they are already defined */
		306	/* also provides const_iv_ and const_niv_ macros for them */
		307	#include "def0.h"
161		308
162	/*****************************************************************************/	309	/*****************************************************************************/
163		310
164	static void	311	static void
165	fiemap (eio_req *req)	312	fiemap (eio_req *req)
…		…
198	|| !fiemap->fm_mapped_extents /* no more extents */	345	|| !fiemap->fm_mapped_extents /* no more extents */
199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)	346	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200	goto done;	347	goto done;
201		348
202	/* else we have to loop -	349	/* else we have to loop -
203	* it would be tempting (atcually I tried that first) to just query the	350	* 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	351	* number of extents needed, but linux often feels like not returning all
205	* extents, without telling us it left any out. this complicates	352	* extents, without telling us it left any out. this complicates
206	* this quite a bit.	353	* this quite a bit.
207	*/	354	*/
208		355
…		…
221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);	368	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222		369
223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)	370	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224	return;	371	return;
225		372
		373	if (!incmap->fm_mapped_extents)
		374	goto done;
		375
226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;	376	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	377	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228	errno = ENOMEM;	378	errno = ENOMEM;
229	if (!fiemap)	379	if (!fiemap)
230	return;	380	return;
…		…
301	}	451	}
302		452
303	static SV *	453	static SV *
304	newSVaio_wd (aio_wd wd)	454	newSVaio_wd (aio_wd wd)
305	{	455	{
306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	456	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
307	}	457	}
308		458
309	static aio_req	459	static aio_req
310	SvAIO_REQ (SV *sv)	460	SvAIO_REQ (SV *sv)
311	{	461	{
…		…
330	|| SvTYPE (SvRV (sv)) != SVt_PVMG	480	|| SvTYPE (SvRV (sv)) != SVt_PVMG
331	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	481	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	482	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333		483
334	return (aio_wd)(long)SvIVX (SvRV (sv));	484	return (aio_wd)(long)SvIVX (SvRV (sv));
		485	}
		486
		487	static SV *
		488	newmortalFH (int fd, int flags)
		489	{
		490	if (fd < 0)
		491	return &PL_sv_undef;
		492
		493	GV *gv = (GV *)sv_newmortal ();
		494	char sym[64];
		495	int symlen;
		496
		497	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		498	gv_init (gv, aio_stash, sym, symlen, 0);
		499
		500	symlen = snprintf (
		501	sym,
		502	sizeof (sym),
		503	"%s&=%d",
		504	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		505	fd
		506	);
		507
		508	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		509	? (SV *)gv : &PL_sv_undef;
335	}	510	}
336		511
337	static void	512	static void
338	aio_grp_feed (aio_req grp)	513	aio_grp_feed (aio_req grp)
339	{	514	{
…		…
467	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	642	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
468	}	643	}
469	break;	644	break;
470		645
471	case EIO_OPEN:	646	case EIO_OPEN:
472	{	647	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;	648	break;
501		649
502	case EIO_STATVFS:	650	case EIO_STATVFS:
503	case EIO_FSTATVFS:	651	case EIO_FSTATVFS:
504	{	652	{
…		…
584	SvSETMAGIC (req->sv2);	732	SvSETMAGIC (req->sv2);
585	PUSHs (sv_result);	733	PUSHs (sv_result);
586	}	734	}
587	break;	735	break;
588		736
		737	case EIO_SLURP:
		738	{
		739	if (req->result >= 0)
		740	{
		741	/* if length was originally not known, we steal the malloc'ed memory */
		742	if (req->flags & EIO_FLAG_PTR2_FREE)
		743	{
		744	req->flags &= ~EIO_FLAG_PTR2_FREE;
		745	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		746	}
		747	else
		748	{
		749	SvCUR_set (req->sv2, req->result);
		750	*SvEND (req->sv2) = 0;
		751	SvPOK_only (req->sv2);
		752	}
		753
		754	SvSETMAGIC (req->sv2);
		755	}
		756
		757	PUSHs (sv_result);
		758	}
		759	break;
		760
589	case EIO_CUSTOM:	761	case EIO_CUSTOM:
590	if (req->feed == fiemap)	762	if (req->feed == fiemap)
591	{	763	{
592	#if HAVE_FIEMAP	764	#if HAVE_FIEMAP
593	if (!req->result)	765	if (!req->result)
…		…
698	{	870	{
699	while (eio_nreqs ())	871	while (eio_nreqs ())
700	{	872	{
701	int size;	873	int size;
702		874
703	X_LOCK (reslock);	875	X_LOCK (EIO_POOL->reslock);
704	size = res_queue.size;	876	size = EIO_POOL->res_queue.size;
705	X_UNLOCK (reslock);	877	X_UNLOCK (EIO_POOL->reslock);
706		878
707	if (size)	879	if (size)
708	return;	880	return;
709		881
710	etp_maybe_start_thread ();	882	etp_maybe_start_thread (EIO_POOL);
711		883
712	s_epipe_wait (&respipe);	884	s_epipe_wait (&respipe);
713	}	885	}
714	}	886	}
715		887
…		…
736	create_respipe ();	908	create_respipe ();
737		909
738	if (eio_init (want_poll, done_poll) < 0)	910	if (eio_init (want_poll, done_poll) < 0)
739	croak ("IO::AIO: unable to initialise eio library");	911	croak ("IO::AIO: unable to initialise eio library");
740	}	912	}
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		913
785	/*****************************************************************************/	914	/*****************************************************************************/
786		915
787	static SV *	916	static SV *
788	get_cb (SV *cb_sv)	917	get_cb (SV *cb_sv)
…		…
884	req_set_path1 (req, fh_or_path);	1013	req_set_path1 (req, fh_or_path);
885	break;	1014	break;
886	}	1015	}
887	}	1016	}
888		1017
		1018	/*****************************************************************************/
		1019
		1020	static void
		1021	ts_set (struct timespec *ts, NV value)
		1022	{
		1023	ts->tv_sec = value;
		1024	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1025	}
		1026
		1027	static NV
		1028	ts_get (const struct timespec *ts)
		1029	{
		1030	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1031	}
		1032
		1033	/*****************************************************************************/
		1034
889	XS(boot_IO__AIO) ecb_cold;	1035	XS(boot_IO__AIO) ecb_cold;
890		1036
891	MODULE = IO::AIO PACKAGE = IO::AIO	1037	MODULE = IO::AIO PACKAGE = IO::AIO
892		1038
893	PROTOTYPES: ENABLE	1039	PROTOTYPES: ENABLE
…		…
900	} *civ, const_iv[] = {	1046	} *civ, const_iv[] = {
901	# define const_niv(name, value) { # name, (IV) value },	1047	# define const_niv(name, value) { # name, (IV) value },
902	# define const_iv(name) { # name, (IV) name },	1048	# define const_iv(name) { # name, (IV) name },
903	# define const_eio(name) { # name, (IV) EIO_ ## name },	1049	# define const_eio(name) { # name, (IV) EIO_ ## name },
904		1050
905	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1051	/* you have to re-run ./gendef0 after adding/removing any constants here */
906		1052	/* the first block can be undef if missing */
907	const_iv (ENOSYS)	1053	const_iv (ENOSYS)
908	const_iv (EXDEV)	1054	const_iv (EXDEV)
909	const_iv (EBADR)	1055	const_iv (EBADR)
		1056
		1057	/* for lseek */
		1058	const_iv (SEEK_DATA)
		1059	const_iv (SEEK_HOLE)
		1060
		1061	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1062	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1063	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1064	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1065	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1066	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1067
		1068	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1069	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1070	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1071	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1072	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1073
		1074	/* the second block will be 0 when missing */
		1075	const_iv (O_ACCMODE)
910		1076
911	const_iv (O_RDONLY)	1077	const_iv (O_RDONLY)
912	const_iv (O_WRONLY)	1078	const_iv (O_WRONLY)
913	const_iv (O_RDWR)	1079	const_iv (O_RDWR)
914	const_iv (O_CREAT)	1080	const_iv (O_CREAT)
…		…
928	const_iv (O_SEARCH)	1094	const_iv (O_SEARCH)
929	const_iv (O_DIRECTORY)	1095	const_iv (O_DIRECTORY)
930	const_iv (O_DSYNC)	1096	const_iv (O_DSYNC)
931	const_iv (O_RSYNC)	1097	const_iv (O_RSYNC)
932	const_iv (O_SYNC)	1098	const_iv (O_SYNC)
		1099	const_iv (O_PATH)
		1100	const_iv (O_TMPFILE)
933	const_iv (O_TTY_INIT)	1101	const_iv (O_TTY_INIT)
934		1102
935	const_iv (S_IFIFO)	1103	const_iv (S_IFIFO)
936	const_iv (S_IFCHR)	1104	const_iv (S_IFCHR)
937	const_iv (S_IFBLK)	1105	const_iv (S_IFBLK)
…		…
939	const_iv (S_IFREG)	1107	const_iv (S_IFREG)
940	const_iv (S_IFDIR)	1108	const_iv (S_IFDIR)
941	const_iv (S_IFWHT)	1109	const_iv (S_IFWHT)
942	const_iv (S_IFSOCK)	1110	const_iv (S_IFSOCK)
943	const_iv (S_IFMT)	1111	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		1112
958	const_iv (ST_RDONLY)	1113	const_iv (ST_RDONLY)
959	const_iv (ST_NOSUID)	1114	const_iv (ST_NOSUID)
960	const_iv (ST_NODEV)	1115	const_iv (ST_NODEV)
961	const_iv (ST_NOEXEC)	1116	const_iv (ST_NOEXEC)
…		…
971	const_iv (PROT_NONE)	1126	const_iv (PROT_NONE)
972	const_iv (PROT_EXEC)	1127	const_iv (PROT_EXEC)
973	const_iv (PROT_READ)	1128	const_iv (PROT_READ)
974	const_iv (PROT_WRITE)	1129	const_iv (PROT_WRITE)
975		1130
976	/*const_iv (MAP_FIXED)*/
977	const_iv (MAP_PRIVATE)	1131	const_iv (MAP_PRIVATE)
978	const_iv (MAP_SHARED)	1132	const_iv (MAP_SHARED)
		1133	const_iv (MAP_FIXED)
979	const_iv (MAP_ANONYMOUS)	1134	const_iv (MAP_ANONYMOUS)
980		1135
981	/* linuxish */	1136	/* linuxish */
982	const_iv (MAP_HUGETLB)
983	const_iv (MAP_LOCKED)	1137	const_iv (MAP_LOCKED)
984	const_iv (MAP_NORESERVE)	1138	const_iv (MAP_NORESERVE)
985	const_iv (MAP_POPULATE)	1139	const_iv (MAP_POPULATE)
986	const_iv (MAP_NONBLOCK)	1140	const_iv (MAP_NONBLOCK)
		1141	const_iv (MAP_GROWSDOWN)
		1142	const_iv (MAP_32BIT)
		1143	const_iv (MAP_HUGETLB)
		1144	const_iv (MAP_STACK)
		1145
		1146	const_iv (MREMAP_MAYMOVE)
		1147	const_iv (MREMAP_FIXED)
		1148
		1149	const_iv (F_DUPFD_CLOEXEC)
		1150
		1151	const_iv (MSG_CMSG_CLOEXEC)
		1152	const_iv (SOCK_CLOEXEC)
		1153
		1154	const_iv (F_OFD_GETLK)
		1155	const_iv (F_OFD_SETLK)
		1156	const_iv (F_OFD_GETLKW)
		1157
		1158	const_iv (FIFREEZE)
		1159	const_iv (FITHAW)
		1160	const_iv (FITRIM)
		1161	const_iv (FICLONE)
		1162	const_iv (FICLONERANGE)
		1163	const_iv (FIDEDUPERANGE)
		1164
		1165	const_iv (FS_IOC_GETFLAGS)
		1166	const_iv (FS_IOC_SETFLAGS)
		1167	const_iv (FS_IOC_GETVERSION)
		1168	const_iv (FS_IOC_SETVERSION)
		1169	const_iv (FS_IOC_FIEMAP)
		1170	const_iv (FS_IOC_FSGETXATTR)
		1171	const_iv (FS_IOC_FSSETXATTR)
		1172	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1173	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1174	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1175
		1176	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1177
		1178	const_iv (FS_SECRM_FL)
		1179	const_iv (FS_UNRM_FL)
		1180	const_iv (FS_COMPR_FL)
		1181	const_iv (FS_SYNC_FL)
		1182	const_iv (FS_IMMUTABLE_FL)
		1183	const_iv (FS_APPEND_FL)
		1184	const_iv (FS_NODUMP_FL)
		1185	const_iv (FS_NOATIME_FL)
		1186	const_iv (FS_DIRTY_FL)
		1187	const_iv (FS_COMPRBLK_FL)
		1188	const_iv (FS_NOCOMP_FL)
		1189	const_iv (FS_ENCRYPT_FL)
		1190	const_iv (FS_BTREE_FL)
		1191	const_iv (FS_INDEX_FL)
		1192	const_iv (FS_JOURNAL_DATA_FL)
		1193	const_iv (FS_NOTAIL_FL)
		1194	const_iv (FS_DIRSYNC_FL)
		1195	const_iv (FS_TOPDIR_FL)
		1196	const_iv (FS_FL_USER_MODIFIABLE)
		1197
		1198	const_iv (FS_XFLAG_REALTIME)
		1199	const_iv (FS_XFLAG_PREALLOC)
		1200	const_iv (FS_XFLAG_IMMUTABLE)
		1201	const_iv (FS_XFLAG_APPEND)
		1202	const_iv (FS_XFLAG_SYNC)
		1203	const_iv (FS_XFLAG_NOATIME)
		1204	const_iv (FS_XFLAG_NODUMP)
		1205	const_iv (FS_XFLAG_RTINHERIT)
		1206	const_iv (FS_XFLAG_PROJINHERIT)
		1207	const_iv (FS_XFLAG_NOSYMLINKS)
		1208	const_iv (FS_XFLAG_EXTSIZE)
		1209	const_iv (FS_XFLAG_EXTSZINHERIT)
		1210	const_iv (FS_XFLAG_NODEFRAG)
		1211	const_iv (FS_XFLAG_FILESTREAM)
		1212	const_iv (FS_XFLAG_DAX)
		1213	const_iv (FS_XFLAG_HASATTR)
987		1214
988	const_iv (FIEMAP_FLAG_SYNC)	1215	const_iv (FIEMAP_FLAG_SYNC)
989	const_iv (FIEMAP_FLAG_XATTR)	1216	const_iv (FIEMAP_FLAG_XATTR)
990	const_iv (FIEMAP_FLAGS_COMPAT)	1217	const_iv (FIEMAP_FLAGS_COMPAT)
991	const_iv (FIEMAP_EXTENT_LAST)	1218	const_iv (FIEMAP_EXTENT_LAST)
…		…
1003	const_iv (SPLICE_F_MOVE)	1230	const_iv (SPLICE_F_MOVE)
1004	const_iv (SPLICE_F_NONBLOCK)	1231	const_iv (SPLICE_F_NONBLOCK)
1005	const_iv (SPLICE_F_MORE)	1232	const_iv (SPLICE_F_MORE)
1006	const_iv (SPLICE_F_GIFT)	1233	const_iv (SPLICE_F_GIFT)
1007		1234
1008	const_iv (SEEK_DATA)	1235	const_iv (EFD_CLOEXEC)
		1236	const_iv (EFD_NONBLOCK)
1009	const_iv (SEEK_HOLE)	1237	const_iv (EFD_SEMAPHORE)
1010		1238
1011	/* libeio constants */	1239	const_iv (CLOCK_REALTIME)
		1240	const_iv (CLOCK_MONOTONIC)
		1241	const_iv (CLOCK_BOOTTIME)
		1242	const_iv (CLOCK_REALTIME_ALARM)
		1243	const_iv (CLOCK_BOOTTIME_ALARM)
		1244
		1245	const_iv (TFD_NONBLOCK)
		1246	const_iv (TFD_CLOEXEC)
		1247
		1248	const_iv (TFD_TIMER_ABSTIME)
		1249	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1250
		1251	/* these are libeio constants, and are independent of gendef0 */
1012	const_eio (SEEK_SET)	1252	const_eio (SEEK_SET)
1013	const_eio (SEEK_CUR)	1253	const_eio (SEEK_CUR)
1014	const_eio (SEEK_END)	1254	const_eio (SEEK_END)
1015		1255
1016	const_eio (MCL_FUTURE)	1256	const_eio (MCL_FUTURE)
…		…
1026	const_eio (SYNC_FILE_RANGE_WRITE)	1266	const_eio (SYNC_FILE_RANGE_WRITE)
1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1267	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1028		1268
1029	const_eio (FALLOC_FL_KEEP_SIZE)	1269	const_eio (FALLOC_FL_KEEP_SIZE)
1030	const_eio (FALLOC_FL_PUNCH_HOLE)	1270	const_eio (FALLOC_FL_PUNCH_HOLE)
		1271	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1272	const_eio (FALLOC_FL_ZERO_RANGE)
		1273	const_eio (FALLOC_FL_INSERT_RANGE)
		1274	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1275
		1276	const_eio (RENAME_NOREPLACE)
		1277	const_eio (RENAME_EXCHANGE)
		1278	const_eio (RENAME_WHITEOUT)
1031		1279
1032	const_eio (READDIR_DENTS)	1280	const_eio (READDIR_DENTS)
1033	const_eio (READDIR_DIRS_FIRST)	1281	const_eio (READDIR_DIRS_FIRST)
1034	const_eio (READDIR_STAT_ORDER)	1282	const_eio (READDIR_STAT_ORDER)
1035	const_eio (READDIR_FOUND_UNKNOWN)	1283	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1103	PROTOTYPE: $	1351	PROTOTYPE: $
1104	CODE:	1352	CODE:
1105	max_outstanding = maxreqs;	1353	max_outstanding = maxreqs;
1106		1354
1107	void	1355	void
1108	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1356	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1109	PPCODE:	1357	PPCODE:
1110	{	1358	{
1111	dREQ;	1359	dREQ;
1112		1360
1113	req->type = EIO_WD_OPEN;	1361	req->type = EIO_WD_OPEN;
…		…
1115		1363
1116	REQ_SEND;	1364	REQ_SEND;
1117	}	1365	}
1118		1366
1119	void	1367	void
1120	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1368	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1121	PPCODE:	1369	PPCODE:
1122	{	1370	{
1123	dREQ;	1371	dREQ;
1124		1372
1125	req->type = EIO_OPEN;	1373	req->type = EIO_OPEN;
…		…
1129		1377
1130	REQ_SEND;	1378	REQ_SEND;
1131	}	1379	}
1132		1380
1133	void	1381	void
1134	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1382	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1135	ALIAS:	1383	ALIAS:
1136	aio_fsync = EIO_FSYNC	1384	aio_fsync = EIO_FSYNC
1137	aio_fdatasync = EIO_FDATASYNC	1385	aio_fdatasync = EIO_FDATASYNC
1138	aio_syncfs = EIO_SYNCFS	1386	aio_syncfs = EIO_SYNCFS
1139	PPCODE:	1387	PPCODE:
…		…
1147		1395
1148	REQ_SEND;	1396	REQ_SEND;
1149	}	1397	}
1150		1398
1151	void	1399	void
1152	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1400	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1153	PPCODE:	1401	PPCODE:
1154	{	1402	{
1155	int fd = s_fileno_croak (fh, 0);	1403	int fd = s_fileno_croak (fh, 0);
1156	dREQ;	1404	dREQ;
1157		1405
…		…
1164		1412
1165	REQ_SEND;	1413	REQ_SEND;
1166	}	1414	}
1167		1415
1168	void	1416	void
1169	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1417	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1170	PPCODE:	1418	PPCODE:
1171	{	1419	{
1172	int fd = s_fileno_croak (fh, 0);	1420	int fd = s_fileno_croak (fh, 0);
1173	dREQ;	1421	dREQ;
1174		1422
…		…
1181		1429
1182	REQ_SEND;	1430	REQ_SEND;
1183	}	1431	}
1184		1432
1185	void	1433	void
1186	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1434	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1187	PPCODE:	1435	PPCODE:
1188	{	1436	{
1189	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1437	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1190	int fd = s_fileno_croak (fh, 0);	1438	int fd = s_fileno_croak (fh, 0);
1191	dREQ;	1439	dREQ;
…		…
1215		1463
1216	REQ_SEND;	1464	REQ_SEND;
1217	}	1465	}
1218		1466
1219	void	1467	void
1220	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1468	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1221	PPCODE:	1469	PPCODE:
1222	{	1470	{
1223	int fd = s_fileno_croak (fh, 0);	1471	int fd = s_fileno_croak (fh, 0);
1224	dREQ;	1472	dREQ;
1225		1473
…		…
1231		1479
1232	REQ_SEND;	1480	REQ_SEND;
1233	}	1481	}
1234		1482
1235	void	1483	void
1236	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1484	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1237	ALIAS:	1485	ALIAS:
1238	aio_read = EIO_READ	1486	aio_read = EIO_READ
1239	aio_write = EIO_WRITE	1487	aio_write = EIO_WRITE
1240	PPCODE:	1488	PPCODE:
1241	{	1489	{
…		…
1257	len = svlen - dataoffset;	1505	len = svlen - dataoffset;
1258	}	1506	}
1259	else	1507	else
1260	{	1508	{
1261	/* read: check type and grow scalar as necessary */	1509	/* read: check type and grow scalar as necessary */
1262	SvUPGRADE (data, SVt_PV);
1263	if (SvLEN (data) >= SvCUR (data))	1510	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1264	svptr = SvGROW (data, len + dataoffset + 1);	1511	svptr = sv_grow (data, len + dataoffset + 1);
1265	else if (SvCUR (data) < len + dataoffset)	1512	else if (SvCUR (data) < len + dataoffset)
1266	croak ("length + dataoffset outside of scalar, and cannot grow");	1513	croak ("length + dataoffset outside of scalar, and cannot grow");
1267	}	1514	}
1268		1515
1269	{	1516	{
…		…
1287	REQ_SEND;	1534	REQ_SEND;
1288	}	1535	}
1289	}	1536	}
1290		1537
1291	void	1538	void
		1539	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1540	ALIAS:
		1541	aio_ioctl = EIO_IOCTL
		1542	aio_fcntl = EIO_FCNTL
		1543	PPCODE:
		1544	{
		1545	int fd = s_fileno_croak (fh, 0);
		1546	char *svptr;
		1547
		1548	if (SvPOK (arg) || !SvNIOK (arg))
		1549	{
		1550	STRLEN svlen;
		1551	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1552	#ifdef IOCPARM_LEN
		1553	STRLEN need = IOCPARM_LEN (request);
		1554	#else
		1555	STRLEN need = 256;
		1556	#endif
		1557
		1558	if (svlen < need)
		1559	svptr = SvGROW (arg, need);
		1560	}
		1561	else
		1562	svptr = (char *)SvIV (arg);
		1563
		1564	{
		1565	dREQ;
		1566
		1567	req->type = ix;
		1568	req->sv1 = newSVsv (fh);
		1569	req->int1 = fd;
		1570	req->int2 = (long)request;
		1571	req->sv2 = SvREFCNT_inc (arg);
		1572	req->ptr2 = svptr;
		1573
		1574	REQ_SEND;
		1575	}
		1576	}
		1577
		1578	void
1292	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1579	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1293	ALIAS:	1580	ALIAS:
1294	aio_readlink = EIO_READLINK	1581	aio_readlink = EIO_READLINK
1295	aio_realpath = EIO_REALPATH	1582	aio_realpath = EIO_REALPATH
1296	PPCODE:	1583	PPCODE:
1297	{	1584	{
…		…
1302		1589
1303	REQ_SEND;	1590	REQ_SEND;
1304	}	1591	}
1305		1592
1306	void	1593	void
1307	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1594	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1308	PPCODE:	1595	PPCODE:
1309	{	1596	{
1310	int ifd = s_fileno_croak (in_fh , 0);	1597	int ifd = s_fileno_croak (in_fh , 0);
1311	int ofd = s_fileno_croak (out_fh, 1);	1598	int ofd = s_fileno_croak (out_fh, 1);
1312	dREQ;	1599	dREQ;
…		…
1321		1608
1322	REQ_SEND;	1609	REQ_SEND;
1323	}	1610	}
1324		1611
1325	void	1612	void
1326	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1613	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1327	PPCODE:	1614	PPCODE:
1328	{	1615	{
1329	int fd = s_fileno_croak (fh, 0);	1616	int fd = s_fileno_croak (fh, 0);
1330	dREQ;	1617	dREQ;
1331		1618
…		…
1337		1624
1338	REQ_SEND;	1625	REQ_SEND;
1339	}	1626	}
1340		1627
1341	void	1628	void
1342	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1629	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1343	ALIAS:	1630	ALIAS:
1344	aio_stat = EIO_STAT	1631	aio_stat = EIO_STAT
1345	aio_lstat = EIO_LSTAT	1632	aio_lstat = EIO_LSTAT
1346	aio_statvfs = EIO_STATVFS	1633	aio_statvfs = EIO_STATVFS
1347	PPCODE:	1634	PPCODE:
…		…
1350		1637
1351	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1638	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1352		1639
1353	REQ_SEND;	1640	REQ_SEND;
1354	}	1641	}
		1642
		1643	void
		1644	st_xtime ()
		1645	ALIAS:
		1646	st_atime = 1
		1647	st_mtime = 2
		1648	st_ctime = 4
		1649	st_xtime = 7
		1650	PPCODE:
		1651	EXTEND (SP, 3);
		1652	if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1653	if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1654	if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1655
		1656	void
		1657	st_xtimensec ()
		1658	ALIAS:
		1659	st_atimensec = 1
		1660	st_mtimensec = 2
		1661	st_ctimensec = 4
		1662	st_xtimensec = 7
		1663	PPCODE:
		1664	EXTEND (SP, 3);
		1665	if (ix & 1) PUSHs (newSViv (ATIMENSEC));
		1666	if (ix & 2) PUSHs (newSViv (MTIMENSEC));
		1667	if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1355		1668
1356	UV	1669	UV
1357	major (UV dev)	1670	major (UV dev)
1358	ALIAS:	1671	ALIAS:
1359	minor = 1	1672	minor = 1
1360	CODE:	1673	CODE:
1361	RETVAL = ix ? major (dev) : minor (dev);	1674	RETVAL = ix ? minor (dev) : major (dev);
1362	OUTPUT:	1675	OUTPUT:
1363	RETVAL	1676	RETVAL
1364		1677
1365	UV	1678	UV
1366	makedev (UV maj, UV min)	1679	makedev (UV maj, UV min)
…		…
1368	RETVAL = makedev (maj, min);	1681	RETVAL = makedev (maj, min);
1369	OUTPUT:	1682	OUTPUT:
1370	RETVAL	1683	RETVAL
1371		1684
1372	void	1685	void
1373	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1686	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1374	PPCODE:	1687	PPCODE:
1375	{	1688	{
1376	dREQ;	1689	dREQ;
1377		1690
1378	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1691	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1381		1694
1382	REQ_SEND;	1695	REQ_SEND;
1383	}	1696	}
1384		1697
1385	void	1698	void
1386	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1699	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1387	PPCODE:	1700	PPCODE:
1388	{	1701	{
1389	dREQ;	1702	dREQ;
1390		1703
1391	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1704	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1393		1706
1394	REQ_SEND;	1707	REQ_SEND;
1395	}	1708	}
1396		1709
1397	void	1710	void
1398	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1711	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1399	PPCODE:	1712	PPCODE:
1400	{	1713	{
1401	dREQ;	1714	dREQ;
1402		1715
1403	req->int2 = mode;	1716	req->int2 = mode;
…		…
1405		1718
1406	REQ_SEND;	1719	REQ_SEND;
1407	}	1720	}
1408		1721
1409	void	1722	void
1410	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1723	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1411	PPCODE:	1724	PPCODE:
1412	{	1725	{
1413	dREQ;	1726	dREQ;
1414		1727
1415	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1728	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1418		1731
1419	REQ_SEND;	1732	REQ_SEND;
1420	}	1733	}
1421		1734
1422	void	1735	void
1423	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1736	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1424	PPCODE:	1737	PPCODE:
1425	{	1738	{
1426	dREQ;	1739	dREQ;
1427		1740
1428	req->type = EIO_READDIR;	1741	req->type = EIO_READDIR;
…		…
1435		1748
1436	REQ_SEND;	1749	REQ_SEND;
1437	}	1750	}
1438		1751
1439	void	1752	void
1440	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1753	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1441	PPCODE:	1754	PPCODE:
1442	{	1755	{
1443	dREQ;	1756	dREQ;
1444		1757
1445	req->type = EIO_MKDIR;	1758	req->type = EIO_MKDIR;
…		…
1448		1761
1449	REQ_SEND;	1762	REQ_SEND;
1450	}	1763	}
1451		1764
1452	void	1765	void
1453	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1766	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1454	ALIAS:	1767	ALIAS:
1455	aio_unlink = EIO_UNLINK	1768	aio_unlink = EIO_UNLINK
1456	aio_rmdir = EIO_RMDIR	1769	aio_rmdir = EIO_RMDIR
1457	aio_readdir = EIO_READDIR	1770	aio_readdir = EIO_READDIR
1458	PPCODE:	1771	PPCODE:
…		…
1464		1777
1465	REQ_SEND;	1778	REQ_SEND;
1466	}	1779	}
1467		1780
1468	void	1781	void
1469	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1782	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1470	ALIAS:	1783	ALIAS:
1471	aio_link = EIO_LINK	1784	aio_link = EIO_LINK
1472	aio_symlink = EIO_SYMLINK	1785	aio_symlink = EIO_SYMLINK
1473	aio_rename = EIO_RENAME	1786	aio_rename = EIO_RENAME
1474	PPCODE:	1787	PPCODE:
…		…
1483		1796
1484	REQ_SEND;	1797	REQ_SEND;
1485	}	1798	}
1486		1799
1487	void	1800	void
		1801	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1802	PPCODE:
		1803	{
		1804	eio_wd wd2 = 0;
		1805	dREQ;
		1806
		1807	req->type = EIO_RENAME;
		1808	req_set_path1 (req, oldpath);
		1809	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1810	req->int2 = flags;
		1811	req->int3 = (long)wd2;
		1812
		1813	REQ_SEND;
		1814	}
		1815
		1816	void
1488	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1817	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1489	PPCODE:	1818	PPCODE:
1490	{	1819	{
1491	dREQ;	1820	dREQ;
1492		1821
1493	req->type = EIO_MKNOD;	1822	req->type = EIO_MKNOD;
…		…
1497		1826
1498	REQ_SEND;	1827	REQ_SEND;
1499	}	1828	}
1500		1829
1501	void	1830	void
1502	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1831	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1503	ALIAS:	1832	ALIAS:
1504	aio_mtouch = EIO_MTOUCH	1833	aio_mtouch = EIO_MTOUCH
1505	aio_msync = EIO_MSYNC	1834	aio_msync = EIO_MSYNC
1506	PPCODE:	1835	PPCODE:
1507	{	1836	{
1508	STRLEN svlen;	1837	STRLEN svlen;
1509	char *svptr = SvPVbyte (data, svlen);	1838	char *svptr = SvPVbyte (data, svlen);
1510	UV len = SvUV (length);	1839	UV len = SvUV (length);
		1840
		1841	if (flags < 0)
		1842	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1511		1843
1512	if (offset < 0)	1844	if (offset < 0)
1513	offset += svlen;	1845	offset += svlen;
1514		1846
1515	if (offset < 0 || offset > svlen)	1847	if (offset < 0 || offset > svlen)
…		…
1530	REQ_SEND;	1862	REQ_SEND;
1531	}	1863	}
1532	}	1864	}
1533		1865
1534	void	1866	void
1535	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1867	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1536	PPCODE:	1868	PPCODE:
1537	{	1869	{
1538	STRLEN svlen;	1870	STRLEN svlen;
1539	char *svptr = SvPVbyte (data, svlen);	1871	char *svptr = SvPVbyte (data, svlen);
1540	UV len = SvUV (length);	1872	UV len = SvUV (length);
…		…
1559	REQ_SEND;	1891	REQ_SEND;
1560	}	1892	}
1561	}	1893	}
1562		1894
1563	void	1895	void
1564	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1896	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1565	PPCODE:	1897	PPCODE:
1566	{	1898	{
1567	dREQ;	1899	dREQ;
1568		1900
1569	req->type = EIO_MLOCKALL;	1901	req->type = EIO_MLOCKALL;
…		…
1571		1903
1572	REQ_SEND;	1904	REQ_SEND;
1573	}	1905	}
1574		1906
1575	void	1907	void
1576	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	1908	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1577	PPCODE:	1909	PPCODE:
1578	{	1910	{
1579	int fd = s_fileno_croak (fh, 0);	1911	int fd = s_fileno_croak (fh, 0);
1580	dREQ;	1912	dREQ;
1581		1913
…		…
1594		1926
1595	REQ_SEND;	1927	REQ_SEND;
1596	}	1928	}
1597		1929
1598	void	1930	void
		1931	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1932	PPCODE:
		1933	{
		1934	char *svptr = 0;
		1935
		1936	sv_clear_foreign (data);
		1937
		1938	if (length) /* known length, directly read into scalar */
		1939	{
		1940	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1941	svptr = sv_grow (data, length + 1);
		1942	else if (SvCUR (data) < length)
		1943	croak ("length outside of scalar, and cannot grow");
		1944	else
		1945	svptr = SvPVbyte_nolen (data);
		1946	}
		1947
		1948	{
		1949	dREQ;
		1950
		1951	req->type = EIO_SLURP;
		1952	req_set_path1 (req, pathname);
		1953	req->offs = offset;
		1954	req->size = length;
		1955	req->sv2 = SvREFCNT_inc (data);
		1956	req->ptr2 = svptr;
		1957
		1958	if (!SvREADONLY (data))
		1959	{
		1960	SvREADONLY_on (data);
		1961	req->flags |= FLAG_SV2_RO_OFF;
		1962	}
		1963
		1964	REQ_SEND;
		1965	}
		1966	}
		1967
		1968	void
1599	aio_busy (double delay, SV *callback=&PL_sv_undef)	1969	aio_busy (double delay, SV *callback = &PL_sv_undef)
1600	PPCODE:	1970	PPCODE:
1601	{	1971	{
1602	dREQ;	1972	dREQ;
1603		1973
1604	req->type = EIO_BUSY;	1974	req->type = EIO_BUSY;
…		…
1606		1976
1607	REQ_SEND;	1977	REQ_SEND;
1608	}	1978	}
1609		1979
1610	void	1980	void
1611	aio_group (SV *callback=&PL_sv_undef)	1981	aio_group (SV *callback = &PL_sv_undef)
1612	PPCODE:	1982	PPCODE:
1613	{	1983	{
1614	dREQ;	1984	dREQ;
1615		1985
1616	req->type = EIO_GROUP;	1986	req->type = EIO_GROUP;
1617		1987
		1988	PUTBACK;
1618	req_submit (req);	1989	req_submit (req);
		1990	SPAGAIN;
		1991
1619	XPUSHs (req_sv (req, aio_grp_stash));	1992	XPUSHs (req_sv (req, aio_grp_stash));
1620	}	1993	}
1621		1994
1622	void	1995	void
1623	aio_nop (SV *callback=&PL_sv_undef)	1996	aio_nop (SV *callback = &PL_sv_undef)
1624	ALIAS:	1997	ALIAS:
1625	aio_nop = EIO_NOP	1998	aio_nop = EIO_NOP
1626	aio_sync = EIO_SYNC	1999	aio_sync = EIO_SYNC
1627	PPCODE:	2000	PPCODE:
1628	{	2001	{
…		…
1632		2005
1633	REQ_SEND;	2006	REQ_SEND;
1634	}	2007	}
1635		2008
1636	int	2009	int
1637	aioreq_pri (int pri = 0)	2010	aioreq_pri (int pri = NO_INIT)
1638	CODE:	2011	CODE:
1639	RETVAL = next_pri;	2012	RETVAL = next_pri;
1640	if (items > 0)	2013	if (items > 0)
1641	{	2014	{
1642	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2015	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2105	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1733	OUTPUT:	2106	OUTPUT:
1734	RETVAL	2107	RETVAL
1735		2108
1736	void	2109	void
1737	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2110	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1738	PPCODE:	2111	PPCODE:
1739	sv_unmagic (scalar, MMAP_MAGIC);	2112	sv_clear_foreign (scalar);
1740	{	2113	{
1741	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2114	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1742	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2115	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1743	if (addr == (void *)-1)	2116	if (addr == (void *)-1)
1744	XSRETURN_NO;	2117	XSRETURN_NO;
1745		2118
1746	sv_force_normal (scalar);	2119	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		2120
1754	if (!(prot & PROT_WRITE))	2121	if (!(prot & PROT_WRITE))
1755	SvREADONLY_on (scalar);	2122	SvREADONLY_on (scalar);
1756		2123
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;	2124	XSRETURN_YES;
1766	}	2125	}
1767		2126
1768	void	2127	void
1769	munmap (SV *scalar)	2128	munmap (SV *scalar)
1770	CODE:	2129	CODE:
1771	sv_unmagic (scalar, MMAP_MAGIC);	2130	sv_clear_foreign (scalar);
		2131
		2132	SV *
		2133	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2134	CODE:
		2135	{
		2136	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2137	void *new;
		2138
		2139	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2140	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2141
		2142	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2143
		2144	RETVAL = &PL_sv_no;
		2145
		2146	if (new != (void *)-1)
		2147	{
		2148	RETVAL = new == (void *)mg->mg_ptr
		2149	? newSVpvn ("0 but true", 10)
		2150	: &PL_sv_yes;
		2151
		2152	mg->mg_ptr = (char *)new;
		2153	mg->mg_obj = (SV *)new_length;
		2154
		2155	SvPVX (scalar) = mg->mg_ptr;
		2156	SvCUR_set (scalar, new_length);
		2157	}
		2158	}
		2159	OUTPUT:
		2160	RETVAL
1772		2161
1773	int	2162	int
1774	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2163	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1775	ALIAS:	2164	ALIAS:
1776	mprotect = 1	2165	mprotect = 1
1777	CODE:	2166	CODE:
1778	{	2167	{
1779	STRLEN svlen;	2168	STRLEN svlen;
1780	void *addr = SvPVbyte (scalar, svlen);	2169	void *addr = SvPVbyte (scalar, svlen);
1781	size_t len = SvUV (length);	2170	STRLEN len = SvUV (length);
1782		2171
1783	if (offset < 0)	2172	if (offset < 0)
1784	offset += svlen;	2173	offset += svlen;
1785		2174
1786	if (offset < 0 || offset > svlen)	2175	if (offset < 0 || offset > svlen)
…		…
1800	}	2189	}
1801	OUTPUT:	2190	OUTPUT:
1802	RETVAL	2191	RETVAL
1803		2192
1804	int	2193	int
1805	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2194	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1806	CODE:	2195	CODE:
1807	{	2196	{
1808	STRLEN svlen;	2197	STRLEN svlen;
1809	void *addr = SvPVbyte (scalar, svlen);	2198	void *addr = SvPVbyte (scalar, svlen);
1810	size_t len = SvUV (length);	2199	size_t len = SvUV (length);
…		…
1866	#else	2255	#else
1867	RETVAL = EIO_ENOSYS ();	2256	RETVAL = EIO_ENOSYS ();
1868	#endif	2257	#endif
1869	OUTPUT:	2258	OUTPUT:
1870	RETVAL	2259	RETVAL
		2260
		2261	int
		2262	pipesize (aio_rfd rfh, int new_size = -1)
		2263	PROTOTYPE: $;$
		2264	CODE:
		2265	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2266	if (new_size >= 0)
		2267	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2268	else
		2269	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2270	#else
		2271	errno = ENOSYS;
		2272	RETVAL = -1;
		2273	#endif
		2274	OUTPUT:
		2275	RETVAL
		2276
		2277	void
		2278	pipe2 (int flags = 0)
		2279	PROTOTYPE: ;$
		2280	PPCODE:
		2281	{
		2282	int fd[2];
		2283	int res;
		2284
		2285	if (flags)
		2286	#if HAVE_PIPE2
		2287	res = pipe2 (fd, flags);
		2288	#else
		2289	res = (errno = ENOSYS, -1);
		2290	#endif
		2291	else
		2292	res = pipe (fd);
		2293
		2294	if (!res)
		2295	{
		2296	EXTEND (SP, 2);
		2297	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2298	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2299	}
		2300	}
		2301
		2302	void
		2303	eventfd (unsigned int initval = 0, int flags = 0)
		2304	PPCODE:
		2305	{
		2306	int fd;
		2307	#if HAVE_EVENTFD
		2308	fd = eventfd (initval, flags);
		2309	#else
		2310	fd = (errno = ENOSYS, -1);
		2311	#endif
		2312
		2313	XPUSHs (newmortalFH (fd, O_RDWR));
		2314	}
		2315
		2316	void
		2317	timerfd_create (int clockid, int flags = 0)
		2318	PPCODE:
		2319	{
		2320	int fd;
		2321	#if HAVE_TIMERFD
		2322	fd = timerfd_create (clockid, flags);
		2323	#else
		2324	fd = (errno = ENOSYS, -1);
		2325	#endif
		2326
		2327	XPUSHs (newmortalFH (fd, O_RDWR));
		2328	}
		2329
		2330	void
		2331	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2332	PPCODE:
		2333	{
		2334	int fd = s_fileno_croak (fh, 0);
		2335	#if HAVE_TIMERFD
		2336	int res;
		2337	struct itimerspec its, ots;
		2338
		2339	ts_set (&its.it_interval, interval);
		2340	ts_set (&its.it_value , value);
		2341	res = timerfd_settime (fd, flags, &its, &ots);
		2342
		2343	if (!res)
		2344	{
		2345	EXTEND (SP, 2);
		2346	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2347	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2348	}
		2349	#else
		2350	errno = ENOSYS;
		2351	#endif
		2352	}
		2353
		2354	void
		2355	timerfd_gettime (SV *fh)
		2356	PPCODE:
		2357	{
		2358	int fd = s_fileno_croak (fh, 0);
		2359	#if HAVE_TIMERFD
		2360	int res;
		2361	struct itimerspec ots;
		2362	res = timerfd_gettime (fd, &ots);
		2363
		2364	if (!res)
		2365	{
		2366	EXTEND (SP, 2);
		2367	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2368	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2369	}
		2370	#else
		2371	errno = ENOSYS;
		2372	#endif
		2373	}
		2374
		2375	UV
		2376	get_fdlimit ()
		2377	CODE:
		2378	#if HAVE_RLIMITS
		2379	struct rlimit rl;
		2380	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2381	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2382	#endif
		2383	XSRETURN_UNDEF;
		2384	OUTPUT:
		2385	RETVAL
		2386
		2387	void
		2388	min_fdlimit (UV limit = 0x7fffffffU)
		2389	CODE:
		2390	{
		2391	#if HAVE_RLIMITS
		2392	struct rlimit rl;
		2393	rlim_t orig_rlim_max;
		2394	UV bit;
		2395
		2396	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2397	goto fail;
		2398
		2399	if (rl.rlim_cur == RLIM_INFINITY)
		2400	XSRETURN_YES;
		2401
		2402	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2403
		2404	if (rl.rlim_cur < limit)
		2405	{
		2406	rl.rlim_cur = limit;
		2407
		2408	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2409	rl.rlim_max = rl.rlim_cur;
		2410	}
		2411
		2412	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2413	XSRETURN_YES;
		2414
		2415	if (errno == EPERM)
		2416	{
		2417	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2418	/* our limit overflows a system-wide limit */
		2419	/* try an adaptive algorithm, but do not lower the hardlimit */
		2420	rl.rlim_max = 0;
		2421	for (bit = 0x40000000U; bit; bit >>= 1)
		2422	{
		2423	rl.rlim_max |= bit;
		2424	rl.rlim_cur = rl.rlim_max;
		2425
		2426	/* nevr decrease the hard limit */
		2427	if (rl.rlim_max < orig_rlim_max)
		2428	break;
		2429
		2430	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2431	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2432	}
		2433
		2434	/* now, raise the soft limit to the max permitted */
		2435	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2436	{
		2437	rl.rlim_cur = rl.rlim_max;
		2438	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2439	errno = EPERM;
		2440	}
		2441	}
		2442	#endif
		2443	fail:
		2444	XSRETURN_UNDEF;
		2445	}
1871		2446
1872	void _on_next_submit (SV *cb)	2447	void _on_next_submit (SV *cb)
1873	CODE:	2448	CODE:
1874	SvREFCNT_dec (on_next_submit);	2449	SvREFCNT_dec (on_next_submit);
1875	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2450	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1910	cancel (aio_req_ornot req)	2485	cancel (aio_req_ornot req)
1911	CODE:	2486	CODE:
1912	eio_cancel (req);	2487	eio_cancel (req);
1913		2488
1914	void	2489	void
1915	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2490	cb (aio_req_ornot req, SV *callback = NO_INIT)
1916	PPCODE:	2491	PPCODE:
1917	{	2492	{
1918	if (GIMME_V != G_VOID)	2493	if (GIMME_V != G_VOID)
1919	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2494	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1920		2495
1921	if (items > 1)	2496	if (items > 1)
1922	{	2497	{
1923	SV *cb_cv =get_cb (callback);	2498	SV *cb_cv = get_cb (callback);
1924		2499
1925	SvREFCNT_dec (req->callback);	2500	SvREFCNT_dec (req->callback);
1926	req->callback = SvREFCNT_inc (cb_cv);	2501	req->callback = SvREFCNT_inc (cb_cv);
1927	}	2502	}
1928	}	2503	}
…		…
1985	limit (aio_req grp, int limit)	2560	limit (aio_req grp, int limit)
1986	CODE:	2561	CODE:
1987	eio_grp_limit (grp, limit);	2562	eio_grp_limit (grp, limit);
1988		2563
1989	void	2564	void
1990	feed (aio_req grp, SV *callback=&PL_sv_undef)	2565	feed (aio_req grp, SV *callback = &PL_sv_undef)
1991	CODE:	2566	CODE:
1992	{	2567	{
1993	SvREFCNT_dec (grp->sv2);	2568	SvREFCNT_dec (grp->sv2);
1994	grp->sv2 = newSVsv (callback);	2569	grp->sv2 = newSVsv (callback);
1995	grp->feed = aio_grp_feed;	2570	grp->feed = aio_grp_feed;

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