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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.226 by root, Sun Jan 6 11:48:14 2013 UTC vs.
Revision 1.258 by root, Wed Jul 18 00:57:55 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>
…		…
19		21
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	22	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	23	# include <sys/mman.h>
22	#endif	24	#endif
23		25
24	#if __linux__	26	/* the incompetent fool that created musl keeps __linux__, refuses
		27	* to implement any linux standard apis, and also has no way to test
		28	* for his broken iplementation. don't complain to me if this fails
		29	* for you.
		30	*/
		31	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	32	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	33	# ifdef FS_IOC_FIEMAP
27	# include <linux/types.h>	34	# include <linux/types.h>
28	# include <linux/fiemap.h>	35	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	36	# define HAVE_FIEMAP 1
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
101		108
102	/*****************************************************************************/	109	/*****************************************************************************/
103		110
		111	#include "libeio/config.h"
		112
		113	#include "schmorp.h"
		114
		115	#if HAVE_EVENTFD
		116	# include <sys/eventfd.h>
		117	#endif
		118
		119	#if HAVE_TIMERFD
		120	# include <sys/timerfd.h>
		121	#endif
		122
		123	#if HAVE_RLIMITS
		124	#include <sys/time.h>
		125	#include <sys/resource.h>
		126	#endif
		127
104	typedef SV SV8; /* byte-sv, used for argument-checking */	128	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	129	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	130	typedef int aio_wfd; /* write file descriptor */
107		131
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;	132	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
…		…
114	STRLEN stroffset; \	138	STRLEN stroffset; \
115	SV *self;	139	SV *self;
116		140
117	#define EIO_NO_WRAPPERS 1	141	#define EIO_NO_WRAPPERS 1
118		142
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	143	#include "libeio/eio.h"
121		144
122	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	146	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	147	static void req_destroy (eio_req *grp);
…		…
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	164	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	165	# endif
143	#endif	166	#endif
144		167
145	/* defines all sorts of constants to 0 unless they are already defined */	168	/* defines all sorts of constants to 0 unless they are already defined */
		169	/* also provides const_iv_ and const_niv_ macros for them */
146	#include "def0.h"	170	#include "def0.h"
147		171
148	#ifndef makedev	172	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	173	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	174	#endif
…		…
156	#endif	180	#endif
157		181
158	#if PAGESIZE <= 0	182	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	183	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	184	#endif
		185
		186	/*****************************************************************************/
		187
		188	#if !_POSIX_MAPPED_FILES
		189	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		190	# define munmap(addr,length) EIO_ENOSYS ()
		191	#endif
		192
		193	#if !_POSIX_MEMORY_PROTECTION
		194	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		195	#endif
		196
		197	#if !MREMAP_MAYMOVE
		198	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		199	#endif
		200
		201	#define FOREIGN_MAGIC PERL_MAGIC_ext
		202
		203	static int ecb_cold
		204	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		205	{
		206	int old_errno = errno;
		207	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		208	errno = old_errno;
		209
		210	mg->mg_obj = 0; /* just in case */
		211
		212	SvREADONLY_off (sv);
		213
		214	if (SvPVX (sv) != mg->mg_ptr)
		215	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		216
		217	SvCUR_set (sv, 0);
		218	SvPVX (sv) = 0;
		219	SvOK_off (sv);
		220
		221	return 0;
		222	}
		223
		224	static MGVTBL mmap_vtbl = {
		225	0, 0, 0, 0, mmap_free
		226	};
		227
		228	static int ecb_cold
		229	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		230	{
		231	free (mg->mg_ptr);
		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 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 sysfree_vtbl = {
		247	0, 0, 0, 0, sysfree_free
		248	};
		249
		250	/*****************************************************************************/
		251
		252	/* helper: set scalar to foreign ptr with custom free */
		253	static void
		254	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		255	{
		256	sv_force_normal (sv);
		257
		258	/* we store the length in mg_obj, as namlen is I32 :/ */
		259	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		260	->mg_obj = (SV *)length;
		261
		262	SvUPGRADE (sv, SVt_PV); /* nop... */
		263
		264	if (SvLEN (sv))
		265	Safefree (SvPVX (sv));
		266
		267	SvPVX (sv) = (char *)addr;
		268	SvCUR_set (sv, length);
		269	SvLEN_set (sv, 0);
		270	SvPOK_only (sv);
		271	}
		272
		273	static void
		274	sv_clear_foreign (SV *sv)
		275	{
		276	/* todo: iterate over magic and only free ours, but of course */
		277	/* the perl5porters will call that (correct) behaviour buggy */
		278	sv_unmagic (sv, FOREIGN_MAGIC);
		279	}
161		280
162	/*****************************************************************************/	281	/*****************************************************************************/
163		282
164	static void	283	static void
165	fiemap (eio_req *req)	284	fiemap (eio_req *req)
…		…
304	}	423	}
305		424
306	static SV *	425	static SV *
307	newSVaio_wd (aio_wd wd)	426	newSVaio_wd (aio_wd wd)
308	{	427	{
309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	428	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
310	}	429	}
311		430
312	static aio_req	431	static aio_req
313	SvAIO_REQ (SV *sv)	432	SvAIO_REQ (SV *sv)
314	{	433	{
…		…
333	|| SvTYPE (SvRV (sv)) != SVt_PVMG	452	|| SvTYPE (SvRV (sv)) != SVt_PVMG
334	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	453	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	454	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
336		455
337	return (aio_wd)(long)SvIVX (SvRV (sv));	456	return (aio_wd)(long)SvIVX (SvRV (sv));
		457	}
		458
		459	static SV *
		460	newmortalFH (int fd, int flags)
		461	{
		462	if (fd < 0)
		463	return &PL_sv_undef;
		464
		465	GV *gv = (GV *)sv_newmortal ();
		466	char sym[64];
		467	int symlen;
		468
		469	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		470	gv_init (gv, aio_stash, sym, symlen, 0);
		471
		472	symlen = snprintf (
		473	sym,
		474	sizeof (sym),
		475	"%s&=%d",
		476	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		477	fd
		478	);
		479
		480	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		481	? (SV *)gv : &PL_sv_undef;
338	}	482	}
339		483
340	static void	484	static void
341	aio_grp_feed (aio_req grp)	485	aio_grp_feed (aio_req grp)
342	{	486	{
…		…
470	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	614	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
471	}	615	}
472	break;	616	break;
473		617
474	case EIO_OPEN:	618	case EIO_OPEN:
475	{	619	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
476	/* convert fd to fh */
477	SV *fh = &PL_sv_undef;
478
479	if (req->result >= 0)
480	{
481	GV *gv = (GV *)sv_newmortal ();
482	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
483	char sym [64];
484	int symlen;
485
486	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
487	gv_init (gv, aio_stash, sym, symlen, 0);
488
489	symlen = snprintf (
490	sym,
491	sizeof (sym),
492	"%s&=%d",
493	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494	(int)req->result
495	);
496
497	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
498	fh = (SV *)gv;
499	}
500
501	PUSHs (fh);
502	}
503	break;	620	break;
504		621
505	case EIO_STATVFS:	622	case EIO_STATVFS:
506	case EIO_FSTATVFS:	623	case EIO_FSTATVFS:
507	{	624	{
…		…
587	SvSETMAGIC (req->sv2);	704	SvSETMAGIC (req->sv2);
588	PUSHs (sv_result);	705	PUSHs (sv_result);
589	}	706	}
590	break;	707	break;
591		708
		709	case EIO_SLURP:
		710	{
		711	if (req->result >= 0)
		712	{
		713	/* if length was originally not known, we steal the malloc'ed memory */
		714	if (req->flags & EIO_FLAG_PTR2_FREE)
		715	{
		716	req->flags &= ~EIO_FLAG_PTR2_FREE;
		717	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		718	}
		719	else
		720	{
		721	SvCUR_set (req->sv2, req->result);
		722	*SvEND (req->sv2) = 0;
		723	SvPOK_only (req->sv2);
		724	}
		725
		726	SvSETMAGIC (req->sv2);
		727	}
		728
		729	PUSHs (sv_result);
		730	}
		731	break;
		732
592	case EIO_CUSTOM:	733	case EIO_CUSTOM:
593	if (req->feed == fiemap)	734	if (req->feed == fiemap)
594	{	735	{
595	#if HAVE_FIEMAP	736	#if HAVE_FIEMAP
596	if (!req->result)	737	if (!req->result)
…		…
701	{	842	{
702	while (eio_nreqs ())	843	while (eio_nreqs ())
703	{	844	{
704	int size;	845	int size;
705		846
706	X_LOCK (reslock);	847	X_LOCK (EIO_POOL->reslock);
707	size = res_queue.size;	848	size = EIO_POOL->res_queue.size;
708	X_UNLOCK (reslock);	849	X_UNLOCK (EIO_POOL->reslock);
709		850
710	if (size)	851	if (size)
711	return;	852	return;
712		853
713	etp_maybe_start_thread ();	854	etp_maybe_start_thread (EIO_POOL);
714		855
715	s_epipe_wait (&respipe);	856	s_epipe_wait (&respipe);
716	}	857	}
717	}	858	}
718		859
…		…
739	create_respipe ();	880	create_respipe ();
740		881
741	if (eio_init (want_poll, done_poll) < 0)	882	if (eio_init (want_poll, done_poll) < 0)
742	croak ("IO::AIO: unable to initialise eio library");	883	croak ("IO::AIO: unable to initialise eio library");
743	}	884	}
744
745	/*****************************************************************************/
746
747	#if !_POSIX_MAPPED_FILES
748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
749	# define munmap(addr,length) EIO_ENOSYS ()
750	#endif
751
752	#if !_POSIX_MEMORY_PROTECTION
753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
754	# define PROT_NONE 0
755	# define PROT_WRITE 0
756	# define MAP_PRIVATE 0
757	# define MAP_SHARED 0
758	# define MAP_FIXED 0
759	#endif
760
761	#define MMAP_MAGIC PERL_MAGIC_ext
762
763	static int ecb_cold
764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
765	{
766	int old_errno = errno;
767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
768	errno = old_errno;
769
770	mg->mg_obj = 0; /* just in case */
771
772	SvREADONLY_off (sv);
773
774	if (SvPVX (sv) != mg->mg_ptr)
775	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
776
777	SvCUR_set (sv, 0);
778	SvPVX (sv) = 0;
779	SvOK_off (sv);
780
781	return 0;
782	}
783
784	static MGVTBL mmap_vtbl = {
785	0, 0, 0, 0, mmap_free
786	};
787		885
788	/*****************************************************************************/	886	/*****************************************************************************/
789		887
790	static SV *	888	static SV *
791	get_cb (SV *cb_sv)	889	get_cb (SV *cb_sv)
…		…
887	req_set_path1 (req, fh_or_path);	985	req_set_path1 (req, fh_or_path);
888	break;	986	break;
889	}	987	}
890	}	988	}
891		989
		990	/*****************************************************************************/
		991
		992	static void
		993	ts_set (struct timespec *ts, NV value)
		994	{
		995	ts->tv_sec = value;
		996	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		997	}
		998
		999	static NV
		1000	ts_get (const struct timespec *ts)
		1001	{
		1002	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1003	}
		1004
		1005	/*****************************************************************************/
		1006
892	XS(boot_IO__AIO) ecb_cold;	1007	XS(boot_IO__AIO) ecb_cold;
893		1008
894	MODULE = IO::AIO PACKAGE = IO::AIO	1009	MODULE = IO::AIO PACKAGE = IO::AIO
895		1010
896	PROTOTYPES: ENABLE	1011	PROTOTYPES: ENABLE
…		…
903	} *civ, const_iv[] = {	1018	} *civ, const_iv[] = {
904	# define const_niv(name, value) { # name, (IV) value },	1019	# define const_niv(name, value) { # name, (IV) value },
905	# define const_iv(name) { # name, (IV) name },	1020	# define const_iv(name) { # name, (IV) name },
906	# define const_eio(name) { # name, (IV) EIO_ ## name },	1021	# define const_eio(name) { # name, (IV) EIO_ ## name },
907		1022
908	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1023	/* you have to re-run ./gendef0 after adding/removing any constants here */
909		1024	/* the first block can be undef if missing */
910	const_iv (ENOSYS)	1025	const_iv (ENOSYS)
911	const_iv (EXDEV)	1026	const_iv (EXDEV)
912	const_iv (EBADR)	1027	const_iv (EBADR)
913		1028
		1029	/* for lseek */
		1030	const_iv (SEEK_DATA)
		1031	const_iv (SEEK_HOLE)
		1032
		1033	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1034	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1035	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1036	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1037	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1038	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1039
		1040	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1041	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1042	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1043	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1044	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1045
		1046	/* the second block will be 0 when missing */
914	const_iv (O_RDONLY)	1047	const_iv (O_RDONLY)
915	const_iv (O_WRONLY)	1048	const_iv (O_WRONLY)
916	const_iv (O_RDWR)	1049	const_iv (O_RDWR)
917	const_iv (O_CREAT)	1050	const_iv (O_CREAT)
918	const_iv (O_TRUNC)	1051	const_iv (O_TRUNC)
…		…
931	const_iv (O_SEARCH)	1064	const_iv (O_SEARCH)
932	const_iv (O_DIRECTORY)	1065	const_iv (O_DIRECTORY)
933	const_iv (O_DSYNC)	1066	const_iv (O_DSYNC)
934	const_iv (O_RSYNC)	1067	const_iv (O_RSYNC)
935	const_iv (O_SYNC)	1068	const_iv (O_SYNC)
		1069	const_iv (O_PATH)
		1070	const_iv (O_TMPFILE)
936	const_iv (O_TTY_INIT)	1071	const_iv (O_TTY_INIT)
937		1072
938	const_iv (S_IFIFO)	1073	const_iv (S_IFIFO)
939	const_iv (S_IFCHR)	1074	const_iv (S_IFCHR)
940	const_iv (S_IFBLK)	1075	const_iv (S_IFBLK)
…		…
942	const_iv (S_IFREG)	1077	const_iv (S_IFREG)
943	const_iv (S_IFDIR)	1078	const_iv (S_IFDIR)
944	const_iv (S_IFWHT)	1079	const_iv (S_IFWHT)
945	const_iv (S_IFSOCK)	1080	const_iv (S_IFSOCK)
946	const_iv (S_IFMT)	1081	const_iv (S_IFMT)
947
948	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
949	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
950	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
951	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
952	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
953	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
954
955	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
956	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
957	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
958	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
959	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
960		1082
961	const_iv (ST_RDONLY)	1083	const_iv (ST_RDONLY)
962	const_iv (ST_NOSUID)	1084	const_iv (ST_NOSUID)
963	const_iv (ST_NODEV)	1085	const_iv (ST_NODEV)
964	const_iv (ST_NOEXEC)	1086	const_iv (ST_NOEXEC)
…		…
974	const_iv (PROT_NONE)	1096	const_iv (PROT_NONE)
975	const_iv (PROT_EXEC)	1097	const_iv (PROT_EXEC)
976	const_iv (PROT_READ)	1098	const_iv (PROT_READ)
977	const_iv (PROT_WRITE)	1099	const_iv (PROT_WRITE)
978		1100
979	/*const_iv (MAP_FIXED)*/
980	const_iv (MAP_PRIVATE)	1101	const_iv (MAP_PRIVATE)
981	const_iv (MAP_SHARED)	1102	const_iv (MAP_SHARED)
		1103	const_iv (MAP_FIXED)
982	const_iv (MAP_ANONYMOUS)	1104	const_iv (MAP_ANONYMOUS)
983		1105
984	/* linuxish */	1106	/* linuxish */
985	const_iv (MAP_HUGETLB)
986	const_iv (MAP_LOCKED)	1107	const_iv (MAP_LOCKED)
987	const_iv (MAP_NORESERVE)	1108	const_iv (MAP_NORESERVE)
988	const_iv (MAP_POPULATE)	1109	const_iv (MAP_POPULATE)
989	const_iv (MAP_NONBLOCK)	1110	const_iv (MAP_NONBLOCK)
		1111	const_iv (MAP_GROWSDOWN)
		1112	const_iv (MAP_32BIT)
		1113	const_iv (MAP_HUGETLB)
		1114	const_iv (MAP_STACK)
		1115
		1116	const_iv (MREMAP_MAYMOVE)
		1117	const_iv (MREMAP_FIXED)
		1118
		1119	const_iv (F_DUPFD_CLOEXEC)
		1120
		1121	const_iv (F_OFD_GETLK)
		1122	const_iv (F_OFD_SETLK)
		1123	const_iv (F_OFD_GETLKW)
		1124
		1125	const_iv (FIFREEZE)
		1126	const_iv (FITHAW)
		1127	const_iv (FITRIM)
		1128	const_iv (FICLONE)
		1129	const_iv (FICLONERANGE)
		1130	const_iv (FIDEDUPERANGE)
		1131
		1132	const_iv (FS_IOC_GETFLAGS)
		1133	const_iv (FS_IOC_SETFLAGS)
		1134	const_iv (FS_IOC_GETVERSION)
		1135	const_iv (FS_IOC_SETVERSION)
		1136	const_iv (FS_IOC_FIEMAP)
		1137	const_iv (FS_IOC_FSGETXATTR)
		1138	const_iv (FS_IOC_FSSETXATTR)
		1139	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1140	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1141	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1142
		1143	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1144
		1145	const_iv (FS_SECRM_FL)
		1146	const_iv (FS_UNRM_FL)
		1147	const_iv (FS_COMPR_FL)
		1148	const_iv (FS_SYNC_FL)
		1149	const_iv (FS_IMMUTABLE_FL)
		1150	const_iv (FS_APPEND_FL)
		1151	const_iv (FS_NODUMP_FL)
		1152	const_iv (FS_NOATIME_FL)
		1153	const_iv (FS_DIRTY_FL)
		1154	const_iv (FS_COMPRBLK_FL)
		1155	const_iv (FS_NOCOMP_FL)
		1156	const_iv (FS_ENCRYPT_FL)
		1157	const_iv (FS_BTREE_FL)
		1158	const_iv (FS_INDEX_FL)
		1159	const_iv (FS_JOURNAL_DATA_FL)
		1160	const_iv (FS_NOTAIL_FL)
		1161	const_iv (FS_DIRSYNC_FL)
		1162	const_iv (FS_TOPDIR_FL)
		1163	const_iv (FS_FL_USER_MODIFIABLE)
		1164
		1165	const_iv (FS_XFLAG_REALTIME)
		1166	const_iv (FS_XFLAG_PREALLOC)
		1167	const_iv (FS_XFLAG_IMMUTABLE)
		1168	const_iv (FS_XFLAG_APPEND)
		1169	const_iv (FS_XFLAG_SYNC)
		1170	const_iv (FS_XFLAG_NOATIME)
		1171	const_iv (FS_XFLAG_NODUMP)
		1172	const_iv (FS_XFLAG_RTINHERIT)
		1173	const_iv (FS_XFLAG_PROJINHERIT)
		1174	const_iv (FS_XFLAG_NOSYMLINKS)
		1175	const_iv (FS_XFLAG_EXTSIZE)
		1176	const_iv (FS_XFLAG_EXTSZINHERIT)
		1177	const_iv (FS_XFLAG_NODEFRAG)
		1178	const_iv (FS_XFLAG_FILESTREAM)
		1179	const_iv (FS_XFLAG_DAX)
		1180	const_iv (FS_XFLAG_HASATTR)
990		1181
991	const_iv (FIEMAP_FLAG_SYNC)	1182	const_iv (FIEMAP_FLAG_SYNC)
992	const_iv (FIEMAP_FLAG_XATTR)	1183	const_iv (FIEMAP_FLAG_XATTR)
993	const_iv (FIEMAP_FLAGS_COMPAT)	1184	const_iv (FIEMAP_FLAGS_COMPAT)
994	const_iv (FIEMAP_EXTENT_LAST)	1185	const_iv (FIEMAP_EXTENT_LAST)
…		…
1006	const_iv (SPLICE_F_MOVE)	1197	const_iv (SPLICE_F_MOVE)
1007	const_iv (SPLICE_F_NONBLOCK)	1198	const_iv (SPLICE_F_NONBLOCK)
1008	const_iv (SPLICE_F_MORE)	1199	const_iv (SPLICE_F_MORE)
1009	const_iv (SPLICE_F_GIFT)	1200	const_iv (SPLICE_F_GIFT)
1010		1201
1011	const_iv (SEEK_DATA)	1202	const_iv (EFD_CLOEXEC)
		1203	const_iv (EFD_NONBLOCK)
1012	const_iv (SEEK_HOLE)	1204	const_iv (EFD_SEMAPHORE)
1013		1205
1014	/* libeio constants */	1206	const_iv (CLOCK_REALTIME)
		1207	const_iv (CLOCK_MONOTONIC)
		1208	const_iv (CLOCK_BOOTTIME)
		1209	const_iv (CLOCK_REALTIME_ALARM)
		1210	const_iv (CLOCK_BOOTTIME_ALARM)
		1211
		1212	const_iv (TFD_NONBLOCK)
		1213	const_iv (TFD_CLOEXEC)
		1214
		1215	const_iv (TFD_TIMER_ABSTIME)
		1216	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1217
		1218	/* these are libeio constants, and are independent of gendef0 */
1015	const_eio (SEEK_SET)	1219	const_eio (SEEK_SET)
1016	const_eio (SEEK_CUR)	1220	const_eio (SEEK_CUR)
1017	const_eio (SEEK_END)	1221	const_eio (SEEK_END)
1018		1222
1019	const_eio (MCL_FUTURE)	1223	const_eio (MCL_FUTURE)
…		…
1029	const_eio (SYNC_FILE_RANGE_WRITE)	1233	const_eio (SYNC_FILE_RANGE_WRITE)
1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1234	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1031		1235
1032	const_eio (FALLOC_FL_KEEP_SIZE)	1236	const_eio (FALLOC_FL_KEEP_SIZE)
1033	const_eio (FALLOC_FL_PUNCH_HOLE)	1237	const_eio (FALLOC_FL_PUNCH_HOLE)
		1238	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1239	const_eio (FALLOC_FL_ZERO_RANGE)
		1240	const_eio (FALLOC_FL_INSERT_RANGE)
		1241	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1242
		1243	const_eio (RENAME_NOREPLACE)
		1244	const_eio (RENAME_EXCHANGE)
		1245	const_eio (RENAME_WHITEOUT)
1034		1246
1035	const_eio (READDIR_DENTS)	1247	const_eio (READDIR_DENTS)
1036	const_eio (READDIR_DIRS_FIRST)	1248	const_eio (READDIR_DIRS_FIRST)
1037	const_eio (READDIR_STAT_ORDER)	1249	const_eio (READDIR_STAT_ORDER)
1038	const_eio (READDIR_FOUND_UNKNOWN)	1250	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1106	PROTOTYPE: $	1318	PROTOTYPE: $
1107	CODE:	1319	CODE:
1108	max_outstanding = maxreqs;	1320	max_outstanding = maxreqs;
1109		1321
1110	void	1322	void
1111	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1323	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1112	PPCODE:	1324	PPCODE:
1113	{	1325	{
1114	dREQ;	1326	dREQ;
1115		1327
1116	req->type = EIO_WD_OPEN;	1328	req->type = EIO_WD_OPEN;
…		…
1118		1330
1119	REQ_SEND;	1331	REQ_SEND;
1120	}	1332	}
1121		1333
1122	void	1334	void
1123	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1335	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1124	PPCODE:	1336	PPCODE:
1125	{	1337	{
1126	dREQ;	1338	dREQ;
1127		1339
1128	req->type = EIO_OPEN;	1340	req->type = EIO_OPEN;
…		…
1132		1344
1133	REQ_SEND;	1345	REQ_SEND;
1134	}	1346	}
1135		1347
1136	void	1348	void
1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1349	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1138	ALIAS:	1350	ALIAS:
1139	aio_fsync = EIO_FSYNC	1351	aio_fsync = EIO_FSYNC
1140	aio_fdatasync = EIO_FDATASYNC	1352	aio_fdatasync = EIO_FDATASYNC
1141	aio_syncfs = EIO_SYNCFS	1353	aio_syncfs = EIO_SYNCFS
1142	PPCODE:	1354	PPCODE:
…		…
1150		1362
1151	REQ_SEND;	1363	REQ_SEND;
1152	}	1364	}
1153		1365
1154	void	1366	void
1155	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1367	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1156	PPCODE:	1368	PPCODE:
1157	{	1369	{
1158	int fd = s_fileno_croak (fh, 0);	1370	int fd = s_fileno_croak (fh, 0);
1159	dREQ;	1371	dREQ;
1160		1372
…		…
1167		1379
1168	REQ_SEND;	1380	REQ_SEND;
1169	}	1381	}
1170		1382
1171	void	1383	void
1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1384	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1173	PPCODE:	1385	PPCODE:
1174	{	1386	{
1175	int fd = s_fileno_croak (fh, 0);	1387	int fd = s_fileno_croak (fh, 0);
1176	dREQ;	1388	dREQ;
1177		1389
…		…
1184		1396
1185	REQ_SEND;	1397	REQ_SEND;
1186	}	1398	}
1187		1399
1188	void	1400	void
1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1401	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1190	PPCODE:	1402	PPCODE:
1191	{	1403	{
1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1404	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1193	int fd = s_fileno_croak (fh, 0);	1405	int fd = s_fileno_croak (fh, 0);
1194	dREQ;	1406	dREQ;
…		…
1218		1430
1219	REQ_SEND;	1431	REQ_SEND;
1220	}	1432	}
1221		1433
1222	void	1434	void
1223	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1435	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1224	PPCODE:	1436	PPCODE:
1225	{	1437	{
1226	int fd = s_fileno_croak (fh, 0);	1438	int fd = s_fileno_croak (fh, 0);
1227	dREQ;	1439	dREQ;
1228		1440
…		…
1234		1446
1235	REQ_SEND;	1447	REQ_SEND;
1236	}	1448	}
1237		1449
1238	void	1450	void
1239	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1451	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1240	ALIAS:	1452	ALIAS:
1241	aio_read = EIO_READ	1453	aio_read = EIO_READ
1242	aio_write = EIO_WRITE	1454	aio_write = EIO_WRITE
1243	PPCODE:	1455	PPCODE:
1244	{	1456	{
…		…
1260	len = svlen - dataoffset;	1472	len = svlen - dataoffset;
1261	}	1473	}
1262	else	1474	else
1263	{	1475	{
1264	/* read: check type and grow scalar as necessary */	1476	/* read: check type and grow scalar as necessary */
1265	SvUPGRADE (data, SVt_PV);
1266	if (SvLEN (data) >= SvCUR (data))	1477	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1267	svptr = SvGROW (data, len + dataoffset + 1);	1478	svptr = sv_grow (data, len + dataoffset + 1);
1268	else if (SvCUR (data) < len + dataoffset)	1479	else if (SvCUR (data) < len + dataoffset)
1269	croak ("length + dataoffset outside of scalar, and cannot grow");	1480	croak ("length + dataoffset outside of scalar, and cannot grow");
1270	}	1481	}
1271		1482
1272	{	1483	{
…		…
1290	REQ_SEND;	1501	REQ_SEND;
1291	}	1502	}
1292	}	1503	}
1293		1504
1294	void	1505	void
		1506	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1507	ALIAS:
		1508	aio_ioctl = EIO_IOCTL
		1509	aio_fcntl = EIO_FCNTL
		1510	PPCODE:
		1511	{
		1512	int fd = s_fileno_croak (fh, 0);
		1513	char *svptr;
		1514
		1515	if (SvPOK (arg) || !SvNIOK (arg))
		1516	{
		1517	STRLEN svlen;
		1518	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1519	#ifdef IOCPARM_LEN
		1520	STRLEN need = IOCPARM_LEN (request);
		1521	#else
		1522	STRLEN need = 256;
		1523	#endif
		1524
		1525	if (svlen < need)
		1526	svptr = SvGROW (arg, need);
		1527	}
		1528	else
		1529	svptr = (char *)SvIV (arg);
		1530
		1531	{
		1532	dREQ;
		1533
		1534	req->type = ix;
		1535	req->sv1 = newSVsv (fh);
		1536	req->int1 = fd;
		1537	req->int2 = (long)request;
		1538	req->sv2 = SvREFCNT_inc (arg);
		1539	req->ptr2 = svptr;
		1540
		1541	REQ_SEND;
		1542	}
		1543	}
		1544
		1545	void
1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1546	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1296	ALIAS:	1547	ALIAS:
1297	aio_readlink = EIO_READLINK	1548	aio_readlink = EIO_READLINK
1298	aio_realpath = EIO_REALPATH	1549	aio_realpath = EIO_REALPATH
1299	PPCODE:	1550	PPCODE:
1300	{	1551	{
…		…
1305		1556
1306	REQ_SEND;	1557	REQ_SEND;
1307	}	1558	}
1308		1559
1309	void	1560	void
1310	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1561	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1311	PPCODE:	1562	PPCODE:
1312	{	1563	{
1313	int ifd = s_fileno_croak (in_fh , 0);	1564	int ifd = s_fileno_croak (in_fh , 0);
1314	int ofd = s_fileno_croak (out_fh, 1);	1565	int ofd = s_fileno_croak (out_fh, 1);
1315	dREQ;	1566	dREQ;
…		…
1324		1575
1325	REQ_SEND;	1576	REQ_SEND;
1326	}	1577	}
1327		1578
1328	void	1579	void
1329	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1580	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1330	PPCODE:	1581	PPCODE:
1331	{	1582	{
1332	int fd = s_fileno_croak (fh, 0);	1583	int fd = s_fileno_croak (fh, 0);
1333	dREQ;	1584	dREQ;
1334		1585
…		…
1340		1591
1341	REQ_SEND;	1592	REQ_SEND;
1342	}	1593	}
1343		1594
1344	void	1595	void
1345	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1596	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1346	ALIAS:	1597	ALIAS:
1347	aio_stat = EIO_STAT	1598	aio_stat = EIO_STAT
1348	aio_lstat = EIO_LSTAT	1599	aio_lstat = EIO_LSTAT
1349	aio_statvfs = EIO_STATVFS	1600	aio_statvfs = EIO_STATVFS
1350	PPCODE:	1601	PPCODE:
…		…
1359	UV	1610	UV
1360	major (UV dev)	1611	major (UV dev)
1361	ALIAS:	1612	ALIAS:
1362	minor = 1	1613	minor = 1
1363	CODE:	1614	CODE:
1364	RETVAL = ix ? major (dev) : minor (dev);	1615	RETVAL = ix ? minor (dev) : major (dev);
1365	OUTPUT:	1616	OUTPUT:
1366	RETVAL	1617	RETVAL
1367		1618
1368	UV	1619	UV
1369	makedev (UV maj, UV min)	1620	makedev (UV maj, UV min)
…		…
1371	RETVAL = makedev (maj, min);	1622	RETVAL = makedev (maj, min);
1372	OUTPUT:	1623	OUTPUT:
1373	RETVAL	1624	RETVAL
1374		1625
1375	void	1626	void
1376	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1627	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1377	PPCODE:	1628	PPCODE:
1378	{	1629	{
1379	dREQ;	1630	dREQ;
1380		1631
1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1632	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1384		1635
1385	REQ_SEND;	1636	REQ_SEND;
1386	}	1637	}
1387		1638
1388	void	1639	void
1389	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1640	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1390	PPCODE:	1641	PPCODE:
1391	{	1642	{
1392	dREQ;	1643	dREQ;
1393		1644
1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1645	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1396		1647
1397	REQ_SEND;	1648	REQ_SEND;
1398	}	1649	}
1399		1650
1400	void	1651	void
1401	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1652	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1402	PPCODE:	1653	PPCODE:
1403	{	1654	{
1404	dREQ;	1655	dREQ;
1405		1656
1406	req->int2 = mode;	1657	req->int2 = mode;
…		…
1408		1659
1409	REQ_SEND;	1660	REQ_SEND;
1410	}	1661	}
1411		1662
1412	void	1663	void
1413	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1664	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1414	PPCODE:	1665	PPCODE:
1415	{	1666	{
1416	dREQ;	1667	dREQ;
1417		1668
1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1669	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1421		1672
1422	REQ_SEND;	1673	REQ_SEND;
1423	}	1674	}
1424		1675
1425	void	1676	void
1426	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1677	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1427	PPCODE:	1678	PPCODE:
1428	{	1679	{
1429	dREQ;	1680	dREQ;
1430		1681
1431	req->type = EIO_READDIR;	1682	req->type = EIO_READDIR;
…		…
1438		1689
1439	REQ_SEND;	1690	REQ_SEND;
1440	}	1691	}
1441		1692
1442	void	1693	void
1443	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1694	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1444	PPCODE:	1695	PPCODE:
1445	{	1696	{
1446	dREQ;	1697	dREQ;
1447		1698
1448	req->type = EIO_MKDIR;	1699	req->type = EIO_MKDIR;
…		…
1451		1702
1452	REQ_SEND;	1703	REQ_SEND;
1453	}	1704	}
1454		1705
1455	void	1706	void
1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1707	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1457	ALIAS:	1708	ALIAS:
1458	aio_unlink = EIO_UNLINK	1709	aio_unlink = EIO_UNLINK
1459	aio_rmdir = EIO_RMDIR	1710	aio_rmdir = EIO_RMDIR
1460	aio_readdir = EIO_READDIR	1711	aio_readdir = EIO_READDIR
1461	PPCODE:	1712	PPCODE:
…		…
1467		1718
1468	REQ_SEND;	1719	REQ_SEND;
1469	}	1720	}
1470		1721
1471	void	1722	void
1472	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1723	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1473	ALIAS:	1724	ALIAS:
1474	aio_link = EIO_LINK	1725	aio_link = EIO_LINK
1475	aio_symlink = EIO_SYMLINK	1726	aio_symlink = EIO_SYMLINK
1476	aio_rename = EIO_RENAME	1727	aio_rename = EIO_RENAME
1477	PPCODE:	1728	PPCODE:
…		…
1486		1737
1487	REQ_SEND;	1738	REQ_SEND;
1488	}	1739	}
1489		1740
1490	void	1741	void
		1742	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1743	PPCODE:
		1744	{
		1745	eio_wd wd2 = 0;
		1746	dREQ;
		1747
		1748	req->type = EIO_RENAME;
		1749	req_set_path1 (req, oldpath);
		1750	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1751	req->int2 = flags;
		1752	req->int3 = (long)wd2;
		1753
		1754	REQ_SEND;
		1755	}
		1756
		1757	void
1491	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1758	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1492	PPCODE:	1759	PPCODE:
1493	{	1760	{
1494	dREQ;	1761	dREQ;
1495		1762
1496	req->type = EIO_MKNOD;	1763	req->type = EIO_MKNOD;
…		…
1500		1767
1501	REQ_SEND;	1768	REQ_SEND;
1502	}	1769	}
1503		1770
1504	void	1771	void
1505	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1772	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1506	ALIAS:	1773	ALIAS:
1507	aio_mtouch = EIO_MTOUCH	1774	aio_mtouch = EIO_MTOUCH
1508	aio_msync = EIO_MSYNC	1775	aio_msync = EIO_MSYNC
1509	PPCODE:	1776	PPCODE:
1510	{	1777	{
1511	STRLEN svlen;	1778	STRLEN svlen;
1512	char *svptr = SvPVbyte (data, svlen);	1779	char *svptr = SvPVbyte (data, svlen);
1513	UV len = SvUV (length);	1780	UV len = SvUV (length);
		1781
		1782	if (flags < 0)
		1783	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1514		1784
1515	if (offset < 0)	1785	if (offset < 0)
1516	offset += svlen;	1786	offset += svlen;
1517		1787
1518	if (offset < 0 || offset > svlen)	1788	if (offset < 0 || offset > svlen)
…		…
1533	REQ_SEND;	1803	REQ_SEND;
1534	}	1804	}
1535	}	1805	}
1536		1806
1537	void	1807	void
1538	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1808	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1539	PPCODE:	1809	PPCODE:
1540	{	1810	{
1541	STRLEN svlen;	1811	STRLEN svlen;
1542	char *svptr = SvPVbyte (data, svlen);	1812	char *svptr = SvPVbyte (data, svlen);
1543	UV len = SvUV (length);	1813	UV len = SvUV (length);
…		…
1562	REQ_SEND;	1832	REQ_SEND;
1563	}	1833	}
1564	}	1834	}
1565		1835
1566	void	1836	void
1567	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1837	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1568	PPCODE:	1838	PPCODE:
1569	{	1839	{
1570	dREQ;	1840	dREQ;
1571		1841
1572	req->type = EIO_MLOCKALL;	1842	req->type = EIO_MLOCKALL;
…		…
1574		1844
1575	REQ_SEND;	1845	REQ_SEND;
1576	}	1846	}
1577		1847
1578	void	1848	void
1579	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	1849	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1580	PPCODE:	1850	PPCODE:
1581	{	1851	{
1582	int fd = s_fileno_croak (fh, 0);	1852	int fd = s_fileno_croak (fh, 0);
1583	dREQ;	1853	dREQ;
1584		1854
…		…
1597		1867
1598	REQ_SEND;	1868	REQ_SEND;
1599	}	1869	}
1600		1870
1601	void	1871	void
		1872	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1873	PPCODE:
		1874	{
		1875	char *svptr = 0;
		1876
		1877	sv_clear_foreign (data);
		1878
		1879	if (length) /* known length, directly read into scalar */
		1880	{
		1881	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1882	svptr = sv_grow (data, length + 1);
		1883	else if (SvCUR (data) < length)
		1884	croak ("length outside of scalar, and cannot grow");
		1885	else
		1886	svptr = SvPVbyte_nolen (data);
		1887	}
		1888
		1889	{
		1890	dREQ;
		1891
		1892	req->type = EIO_SLURP;
		1893	req_set_path1 (req, pathname);
		1894	req->offs = offset;
		1895	req->size = length;
		1896	req->sv2 = SvREFCNT_inc (data);
		1897	req->ptr2 = svptr;
		1898
		1899	if (!SvREADONLY (data))
		1900	{
		1901	SvREADONLY_on (data);
		1902	req->flags |= FLAG_SV2_RO_OFF;
		1903	}
		1904
		1905	REQ_SEND;
		1906	}
		1907	}
		1908
		1909	void
1602	aio_busy (double delay, SV *callback=&PL_sv_undef)	1910	aio_busy (double delay, SV *callback = &PL_sv_undef)
1603	PPCODE:	1911	PPCODE:
1604	{	1912	{
1605	dREQ;	1913	dREQ;
1606		1914
1607	req->type = EIO_BUSY;	1915	req->type = EIO_BUSY;
…		…
1609		1917
1610	REQ_SEND;	1918	REQ_SEND;
1611	}	1919	}
1612		1920
1613	void	1921	void
1614	aio_group (SV *callback=&PL_sv_undef)	1922	aio_group (SV *callback = &PL_sv_undef)
1615	PPCODE:	1923	PPCODE:
1616	{	1924	{
1617	dREQ;	1925	dREQ;
1618		1926
1619	req->type = EIO_GROUP;	1927	req->type = EIO_GROUP;
1620		1928
		1929	PUTBACK;
1621	req_submit (req);	1930	req_submit (req);
		1931	SPAGAIN;
		1932
1622	XPUSHs (req_sv (req, aio_grp_stash));	1933	XPUSHs (req_sv (req, aio_grp_stash));
1623	}	1934	}
1624		1935
1625	void	1936	void
1626	aio_nop (SV *callback=&PL_sv_undef)	1937	aio_nop (SV *callback = &PL_sv_undef)
1627	ALIAS:	1938	ALIAS:
1628	aio_nop = EIO_NOP	1939	aio_nop = EIO_NOP
1629	aio_sync = EIO_SYNC	1940	aio_sync = EIO_SYNC
1630	PPCODE:	1941	PPCODE:
1631	{	1942	{
…		…
1635		1946
1636	REQ_SEND;	1947	REQ_SEND;
1637	}	1948	}
1638		1949
1639	int	1950	int
1640	aioreq_pri (int pri = 0)	1951	aioreq_pri (int pri = NO_INIT)
1641	CODE:	1952	CODE:
1642	RETVAL = next_pri;	1953	RETVAL = next_pri;
1643	if (items > 0)	1954	if (items > 0)
1644	{	1955	{
1645	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1956	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1735	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2046	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1736	OUTPUT:	2047	OUTPUT:
1737	RETVAL	2048	RETVAL
1738		2049
1739	void	2050	void
1740	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2051	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1741	PPCODE:	2052	PPCODE:
1742	sv_unmagic (scalar, MMAP_MAGIC);	2053	sv_clear_foreign (scalar);
1743	{	2054	{
1744	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2055	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1745	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2056	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1746	if (addr == (void *)-1)	2057	if (addr == (void *)-1)
1747	XSRETURN_NO;	2058	XSRETURN_NO;
1748		2059
1749	sv_force_normal (scalar);	2060	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1750
1751	/* we store the length in mg_obj, as namlen is I32 :/ */
1752	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1753	->mg_obj = (SV *)length;
1754
1755	SvUPGRADE (scalar, SVt_PV); /* nop... */
1756		2061
1757	if (!(prot & PROT_WRITE))	2062	if (!(prot & PROT_WRITE))
1758	SvREADONLY_on (scalar);	2063	SvREADONLY_on (scalar);
1759		2064
1760	if (SvLEN (scalar))
1761	Safefree (SvPVX (scalar));
1762
1763	SvPVX (scalar) = (char *)addr;
1764	SvCUR_set (scalar, length);
1765	SvLEN_set (scalar, 0);
1766	SvPOK_only (scalar);
1767
1768	XSRETURN_YES;	2065	XSRETURN_YES;
1769	}	2066	}
1770		2067
1771	void	2068	void
1772	munmap (SV *scalar)	2069	munmap (SV *scalar)
1773	CODE:	2070	CODE:
1774	sv_unmagic (scalar, MMAP_MAGIC);	2071	sv_clear_foreign (scalar);
		2072
		2073	SV *
		2074	mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
		2075	CODE:
		2076	{
		2077	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2078	void *new;
		2079
		2080	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2081	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2082
		2083	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2084
		2085	RETVAL = &PL_sv_no;
		2086
		2087	if (new != (void *)-1)
		2088	{
		2089	RETVAL = new == (void *)mg->mg_ptr
		2090	? newSVpvn ("0 but true", 10)
		2091	: &PL_sv_yes;
		2092
		2093	mg->mg_ptr = (char *)new;
		2094	mg->mg_obj = (SV *)new_length;
		2095
		2096	SvPVX (scalar) = mg->mg_ptr;
		2097	SvCUR_set (scalar, new_length);
		2098	}
		2099	}
		2100	OUTPUT:
		2101	RETVAL
1775		2102
1776	int	2103	int
1777	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2104	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1778	ALIAS:	2105	ALIAS:
1779	mprotect = 1	2106	mprotect = 1
1780	CODE:	2107	CODE:
1781	{	2108	{
1782	STRLEN svlen;	2109	STRLEN svlen;
1783	void *addr = SvPVbyte (scalar, svlen);	2110	void *addr = SvPVbyte (scalar, svlen);
1784	size_t len = SvUV (length);	2111	STRLEN len = SvUV (length);
1785		2112
1786	if (offset < 0)	2113	if (offset < 0)
1787	offset += svlen;	2114	offset += svlen;
1788		2115
1789	if (offset < 0 || offset > svlen)	2116	if (offset < 0 || offset > svlen)
…		…
1803	}	2130	}
1804	OUTPUT:	2131	OUTPUT:
1805	RETVAL	2132	RETVAL
1806		2133
1807	int	2134	int
1808	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2135	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1809	CODE:	2136	CODE:
1810	{	2137	{
1811	STRLEN svlen;	2138	STRLEN svlen;
1812	void *addr = SvPVbyte (scalar, svlen);	2139	void *addr = SvPVbyte (scalar, svlen);
1813	size_t len = SvUV (length);	2140	size_t len = SvUV (length);
…		…
1869	#else	2196	#else
1870	RETVAL = EIO_ENOSYS ();	2197	RETVAL = EIO_ENOSYS ();
1871	#endif	2198	#endif
1872	OUTPUT:	2199	OUTPUT:
1873	RETVAL	2200	RETVAL
		2201
		2202	int
		2203	pipesize (aio_rfd rfh, int new_size = -1)
		2204	PROTOTYPE: $;$
		2205	CODE:
		2206	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2207	if (new_size >= 0)
		2208	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2209	else
		2210	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2211	#else
		2212	errno = ENOSYS;
		2213	RETVAL = -1;
		2214	#endif
		2215	OUTPUT:
		2216	RETVAL
		2217
		2218	void
		2219	pipe2 (int flags = 0)
		2220	PROTOTYPE: ;$
		2221	PPCODE:
		2222	{
		2223	int fd[2];
		2224	int res;
		2225
		2226	if (flags)
		2227	#if HAVE_PIPE2
		2228	res = pipe2 (fd, flags);
		2229	#else
		2230	res = (errno = ENOSYS, -1);
		2231	#endif
		2232	else
		2233	res = pipe (fd);
		2234
		2235	if (!res)
		2236	{
		2237	EXTEND (SP, 2);
		2238	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2239	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2240	}
		2241	}
		2242
		2243	void
		2244	eventfd (unsigned int initval = 0, int flags = 0)
		2245	PPCODE:
		2246	{
		2247	int fd;
		2248	#if HAVE_EVENTFD
		2249	fd = eventfd (initval, flags);
		2250	#else
		2251	fd = (errno = ENOSYS, -1);
		2252	#endif
		2253
		2254	XPUSHs (newmortalFH (fd, O_RDWR));
		2255	}
		2256
		2257	void
		2258	timerfd_create (int clockid, int flags = 0)
		2259	PPCODE:
		2260	{
		2261	int fd;
		2262	#if HAVE_TIMERFD
		2263	fd = timerfd_create (clockid, flags);
		2264	#else
		2265	fd = (errno = ENOSYS, -1);
		2266	#endif
		2267
		2268	XPUSHs (newmortalFH (fd, O_RDWR));
		2269	}
		2270
		2271	void
		2272	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2273	PPCODE:
		2274	{
		2275	int fd = s_fileno_croak (fh, 0);
		2276	#if HAVE_TIMERFD
		2277	int res;
		2278	struct itimerspec its, ots;
		2279
		2280	ts_set (&its.it_interval, interval);
		2281	ts_set (&its.it_value , value);
		2282	res = timerfd_settime (fd, flags, &its, &ots);
		2283
		2284	if (!res)
		2285	{
		2286	EXTEND (SP, 2);
		2287	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2288	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2289	}
		2290	#else
		2291	errno = ENOSYS;
		2292	#endif
		2293	}
		2294
		2295	void
		2296	timerfd_gettime (SV *fh)
		2297	PPCODE:
		2298	{
		2299	int fd = s_fileno_croak (fh, 0);
		2300	#if HAVE_TIMERFD
		2301	int res;
		2302	struct itimerspec ots;
		2303	res = timerfd_gettime (fd, &ots);
		2304
		2305	if (!res)
		2306	{
		2307	EXTEND (SP, 2);
		2308	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2309	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2310	}
		2311	#else
		2312	errno = ENOSYS;
		2313	#endif
		2314	}
		2315
		2316	UV
		2317	get_fdlimit ()
		2318	CODE:
		2319	#if HAVE_RLIMITS
		2320	struct rlimit rl;
		2321	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2322	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2323	#endif
		2324	XSRETURN_UNDEF;
		2325	OUTPUT:
		2326	RETVAL
		2327
		2328	void
		2329	min_fdlimit (UV limit = 0x7fffffffU)
		2330	CODE:
		2331	{
		2332	#if HAVE_RLIMITS
		2333	struct rlimit rl;
		2334	rlim_t orig_rlim_max;
		2335	UV bit;
		2336
		2337	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2338	goto fail;
		2339
		2340	if (rl.rlim_cur == RLIM_INFINITY)
		2341	XSRETURN_YES;
		2342
		2343	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2344
		2345	if (rl.rlim_cur < limit)
		2346	{
		2347	rl.rlim_cur = limit;
		2348
		2349	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2350	rl.rlim_max = rl.rlim_cur;
		2351	}
		2352
		2353	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2354	XSRETURN_YES;
		2355
		2356	if (errno == EPERM)
		2357	{
		2358	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2359	/* our limit overflows a system-wide limit */
		2360	/* try an adaptive algorithm, but do not lower the hardlimit */
		2361	rl.rlim_max = 0;
		2362	for (bit = 0x40000000U; bit; bit >>= 1)
		2363	{
		2364	rl.rlim_max |= bit;
		2365	rl.rlim_cur = rl.rlim_max;
		2366
		2367	/* nevr decrease the hard limit */
		2368	if (rl.rlim_max < orig_rlim_max)
		2369	break;
		2370
		2371	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2372	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2373	}
		2374
		2375	/* now, raise the soft limit to the max permitted */
		2376	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2377	{
		2378	rl.rlim_cur = rl.rlim_max;
		2379	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2380	errno = EPERM;
		2381	}
		2382	}
		2383	#endif
		2384	fail:
		2385	XSRETURN_UNDEF;
		2386	}
1874		2387
1875	void _on_next_submit (SV *cb)	2388	void _on_next_submit (SV *cb)
1876	CODE:	2389	CODE:
1877	SvREFCNT_dec (on_next_submit);	2390	SvREFCNT_dec (on_next_submit);
1878	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2391	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1913	cancel (aio_req_ornot req)	2426	cancel (aio_req_ornot req)
1914	CODE:	2427	CODE:
1915	eio_cancel (req);	2428	eio_cancel (req);
1916		2429
1917	void	2430	void
1918	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2431	cb (aio_req_ornot req, SV *callback = NO_INIT)
1919	PPCODE:	2432	PPCODE:
1920	{	2433	{
1921	if (GIMME_V != G_VOID)	2434	if (GIMME_V != G_VOID)
1922	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2435	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1923		2436
1924	if (items > 1)	2437	if (items > 1)
1925	{	2438	{
1926	SV *cb_cv =get_cb (callback);	2439	SV *cb_cv = get_cb (callback);
1927		2440
1928	SvREFCNT_dec (req->callback);	2441	SvREFCNT_dec (req->callback);
1929	req->callback = SvREFCNT_inc (cb_cv);	2442	req->callback = SvREFCNT_inc (cb_cv);
1930	}	2443	}
1931	}	2444	}
…		…
1988	limit (aio_req grp, int limit)	2501	limit (aio_req grp, int limit)
1989	CODE:	2502	CODE:
1990	eio_grp_limit (grp, limit);	2503	eio_grp_limit (grp, limit);
1991		2504
1992	void	2505	void
1993	feed (aio_req grp, SV *callback=&PL_sv_undef)	2506	feed (aio_req grp, SV *callback = &PL_sv_undef)
1994	CODE:	2507	CODE:
1995	{	2508	{
1996	SvREFCNT_dec (grp->sv2);	2509	SvREFCNT_dec (grp->sv2);
1997	grp->sv2 = newSVsv (callback);	2510	grp->sv2 = newSVsv (callback);
1998	grp->feed = aio_grp_feed;	2511	grp->feed = aio_grp_feed;

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