[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.231 by root, Wed Feb 11 19:32:36 2015 UTC vs.
Revision 1.259 by root, Sun Jul 22 20:39:19 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>
…		…
21	# include <sys/mman.h>	23	# include <sys/mman.h>
22	#endif	24	#endif
23		25
24	/* the incompetent fool that created musl keeps __linux__, refuses	26	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	27	* to implement any linux standard apis, and also has no way to test
26	* for his broken iplementation. on't complain if this fails for you.	28	* for his broken iplementation. don't complain to me if this fails
		29	* for you.
27	*/	30	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	31	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	32	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	33	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	34	# include <linux/types.h>
…		…
103	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
105		108
106	/*****************************************************************************/	109	/*****************************************************************************/
107		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
108	typedef SV SV8; /* byte-sv, used for argument-checking */	128	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	129	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	130	typedef int aio_wfd; /* write file descriptor */
111		131
112	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;
…		…
118	STRLEN stroffset; \	138	STRLEN stroffset; \
119	SV *self;	139	SV *self;
120		140
121	#define EIO_NO_WRAPPERS 1	141	#define EIO_NO_WRAPPERS 1
122		142
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	143	#include "libeio/eio.h"
125		144
126	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	146	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	147	static void req_destroy (eio_req *grp);
…		…
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	164	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	165	# endif
147	#endif	166	#endif
148		167
149	/* 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 */
150	#include "def0.h"	170	#include "def0.h"
151		171
152	#ifndef makedev	172	#ifndef makedev
153	# define makedev(maj,min) (((maj) << 8) \| (min))	173	# define makedev(maj,min) (((maj) << 8) \| (min))
154	#endif	174	#endif
…		…
160	#endif	180	#endif
161		181
162	#if PAGESIZE <= 0	182	#if PAGESIZE <= 0
163	# define PAGESIZE sysconf (_SC_PAGESIZE)	183	# define PAGESIZE sysconf (_SC_PAGESIZE)
164	#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	}
165		280
166	/*****************************************************************************/	281	/*****************************************************************************/
167		282
168	static void	283	static void
169	fiemap (eio_req *req)	284	fiemap (eio_req *req)
…		…
337	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	452	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
338	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	453	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
339	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");
340		455
341	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;
342	}	482	}
343		483
344	static void	484	static void
345	aio_grp_feed (aio_req grp)	485	aio_grp_feed (aio_req grp)
346	{	486	{
…		…
474	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))));
475	}	615	}
476	break;	616	break;
477		617
478	case EIO_OPEN:	618	case EIO_OPEN:
479	{	619	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
480	/* convert fd to fh */
481	SV *fh = &PL_sv_undef;
482
483	if (req->result >= 0)
484	{
485	GV gv = (GV )sv_newmortal ();
486	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
487	char sym [64];
488	int symlen;
489
490	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
491	gv_init (gv, aio_stash, sym, symlen, 0);
492
493	symlen = snprintf (
494	sym,
495	sizeof (sym),
496	"%s&=%d",
497	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
498	(int)req->result
499	);
500
501	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
502	fh = (SV *)gv;
503	}
504
505	PUSHs (fh);
506	}
507	break;	620	break;
508		621
509	case EIO_STATVFS:	622	case EIO_STATVFS:
510	case EIO_FSTATVFS:	623	case EIO_FSTATVFS:
511	{	624	{
…		…
591	SvSETMAGIC (req->sv2);	704	SvSETMAGIC (req->sv2);
592	PUSHs (sv_result);	705	PUSHs (sv_result);
593	}	706	}
594	break;	707	break;
595		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
596	case EIO_CUSTOM:	733	case EIO_CUSTOM:
597	if (req->feed == fiemap)	734	if (req->feed == fiemap)
598	{	735	{
599	#if HAVE_FIEMAP	736	#if HAVE_FIEMAP
600	if (!req->result)	737	if (!req->result)
…		…
705	{	842	{
706	while (eio_nreqs ())	843	while (eio_nreqs ())
707	{	844	{
708	int size;	845	int size;
709		846
710	X_LOCK (reslock);	847	X_LOCK (EIO_POOL->reslock);
711	size = res_queue.size;	848	size = EIO_POOL->res_queue.size;
712	X_UNLOCK (reslock);	849	X_UNLOCK (EIO_POOL->reslock);
713		850
714	if (size)	851	if (size)
715	return;	852	return;
716		853
717	etp_maybe_start_thread ();	854	etp_maybe_start_thread (EIO_POOL);
718		855
719	s_epipe_wait (&respipe);	856	s_epipe_wait (&respipe);
720	}	857	}
721	}	858	}
722		859
…		…
743	create_respipe ();	880	create_respipe ();
744		881
745	if (eio_init (want_poll, done_poll) < 0)	882	if (eio_init (want_poll, done_poll) < 0)
746	croak ("IO::AIO: unable to initialise eio library");	883	croak ("IO::AIO: unable to initialise eio library");
747	}	884	}
748
749	/*****************************************************************************/
750
751	#if !_POSIX_MAPPED_FILES
752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
753	# define munmap(addr,length) EIO_ENOSYS ()
754	#endif
755
756	#if !_POSIX_MEMORY_PROTECTION
757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
758	# define PROT_NONE 0
759	# define PROT_WRITE 0
760	# define MAP_PRIVATE 0
761	# define MAP_SHARED 0
762	# define MAP_FIXED 0
763	#endif
764
765	#define MMAP_MAGIC PERL_MAGIC_ext
766
767	static int ecb_cold
768	mmap_free (pTHX_ SV sv, MAGIC mg)
769	{
770	int old_errno = errno;
771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
772	errno = old_errno;
773
774	mg->mg_obj = 0; /* just in case */
775
776	SvREADONLY_off (sv);
777
778	if (SvPVX (sv) != mg->mg_ptr)
779	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
780
781	SvCUR_set (sv, 0);
782	SvPVX (sv) = 0;
783	SvOK_off (sv);
784
785	return 0;
786	}
787
788	static MGVTBL mmap_vtbl = {
789	0, 0, 0, 0, mmap_free
790	};
791		885
792	/*****************************************************************************/	886	/*****************************************************************************/
793		887
794	static SV *	888	static SV *
795	get_cb (SV *cb_sv)	889	get_cb (SV *cb_sv)
…		…
891	req_set_path1 (req, fh_or_path);	985	req_set_path1 (req, fh_or_path);
892	break;	986	break;
893	}	987	}
894	}	988	}
895		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
896	XS(boot_IO__AIO) ecb_cold;	1007	XS(boot_IO__AIO) ecb_cold;
897		1008
898	MODULE = IO::AIO PACKAGE = IO::AIO	1009	MODULE = IO::AIO PACKAGE = IO::AIO
899		1010
900	PROTOTYPES: ENABLE	1011	PROTOTYPES: ENABLE
…		…
907	} *civ, const_iv[] = {	1018	} *civ, const_iv[] = {
908	# define const_niv(name, value) { # name, (IV) value },	1019	# define const_niv(name, value) { # name, (IV) value },
909	# define const_iv(name) { # name, (IV) name },	1020	# define const_iv(name) { # name, (IV) name },
910	# define const_eio(name) { # name, (IV) EIO_ ## name },	1021	# define const_eio(name) { # name, (IV) EIO_ ## name },
911		1022
912	/* 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 */
913		1024	/* the first block can be undef if missing */
914	const_iv (ENOSYS)	1025	const_iv (ENOSYS)
915	const_iv (EXDEV)	1026	const_iv (EXDEV)
916	const_iv (EBADR)	1027	const_iv (EBADR)
		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 */
		1047	const_iv (O_ACCMODE)
917		1048
918	const_iv (O_RDONLY)	1049	const_iv (O_RDONLY)
919	const_iv (O_WRONLY)	1050	const_iv (O_WRONLY)
920	const_iv (O_RDWR)	1051	const_iv (O_RDWR)
921	const_iv (O_CREAT)	1052	const_iv (O_CREAT)
…		…
935	const_iv (O_SEARCH)	1066	const_iv (O_SEARCH)
936	const_iv (O_DIRECTORY)	1067	const_iv (O_DIRECTORY)
937	const_iv (O_DSYNC)	1068	const_iv (O_DSYNC)
938	const_iv (O_RSYNC)	1069	const_iv (O_RSYNC)
939	const_iv (O_SYNC)	1070	const_iv (O_SYNC)
		1071	const_iv (O_PATH)
		1072	const_iv (O_TMPFILE)
940	const_iv (O_TTY_INIT)	1073	const_iv (O_TTY_INIT)
941		1074
942	const_iv (S_IFIFO)	1075	const_iv (S_IFIFO)
943	const_iv (S_IFCHR)	1076	const_iv (S_IFCHR)
944	const_iv (S_IFBLK)	1077	const_iv (S_IFBLK)
…		…
946	const_iv (S_IFREG)	1079	const_iv (S_IFREG)
947	const_iv (S_IFDIR)	1080	const_iv (S_IFDIR)
948	const_iv (S_IFWHT)	1081	const_iv (S_IFWHT)
949	const_iv (S_IFSOCK)	1082	const_iv (S_IFSOCK)
950	const_iv (S_IFMT)	1083	const_iv (S_IFMT)
951
952	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
953	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
954	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
955	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
956	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
957	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
958
959	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
960	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
961	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
962	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
963	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
964		1084
965	const_iv (ST_RDONLY)	1085	const_iv (ST_RDONLY)
966	const_iv (ST_NOSUID)	1086	const_iv (ST_NOSUID)
967	const_iv (ST_NODEV)	1087	const_iv (ST_NODEV)
968	const_iv (ST_NOEXEC)	1088	const_iv (ST_NOEXEC)
…		…
978	const_iv (PROT_NONE)	1098	const_iv (PROT_NONE)
979	const_iv (PROT_EXEC)	1099	const_iv (PROT_EXEC)
980	const_iv (PROT_READ)	1100	const_iv (PROT_READ)
981	const_iv (PROT_WRITE)	1101	const_iv (PROT_WRITE)
982		1102
983	/const_iv (MAP_FIXED)/
984	const_iv (MAP_PRIVATE)	1103	const_iv (MAP_PRIVATE)
985	const_iv (MAP_SHARED)	1104	const_iv (MAP_SHARED)
		1105	const_iv (MAP_FIXED)
986	const_iv (MAP_ANONYMOUS)	1106	const_iv (MAP_ANONYMOUS)
987		1107
988	/* linuxish */	1108	/* linuxish */
989	const_iv (MAP_HUGETLB)
990	const_iv (MAP_LOCKED)	1109	const_iv (MAP_LOCKED)
991	const_iv (MAP_NORESERVE)	1110	const_iv (MAP_NORESERVE)
992	const_iv (MAP_POPULATE)	1111	const_iv (MAP_POPULATE)
993	const_iv (MAP_NONBLOCK)	1112	const_iv (MAP_NONBLOCK)
		1113	const_iv (MAP_GROWSDOWN)
		1114	const_iv (MAP_32BIT)
		1115	const_iv (MAP_HUGETLB)
		1116	const_iv (MAP_STACK)
		1117
		1118	const_iv (MREMAP_MAYMOVE)
		1119	const_iv (MREMAP_FIXED)
		1120
		1121	const_iv (F_DUPFD_CLOEXEC)
		1122
		1123	const_iv (F_OFD_GETLK)
		1124	const_iv (F_OFD_SETLK)
		1125	const_iv (F_OFD_GETLKW)
		1126
		1127	const_iv (FIFREEZE)
		1128	const_iv (FITHAW)
		1129	const_iv (FITRIM)
		1130	const_iv (FICLONE)
		1131	const_iv (FICLONERANGE)
		1132	const_iv (FIDEDUPERANGE)
		1133
		1134	const_iv (FS_IOC_GETFLAGS)
		1135	const_iv (FS_IOC_SETFLAGS)
		1136	const_iv (FS_IOC_GETVERSION)
		1137	const_iv (FS_IOC_SETVERSION)
		1138	const_iv (FS_IOC_FIEMAP)
		1139	const_iv (FS_IOC_FSGETXATTR)
		1140	const_iv (FS_IOC_FSSETXATTR)
		1141	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1142	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1143	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1144
		1145	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1146
		1147	const_iv (FS_SECRM_FL)
		1148	const_iv (FS_UNRM_FL)
		1149	const_iv (FS_COMPR_FL)
		1150	const_iv (FS_SYNC_FL)
		1151	const_iv (FS_IMMUTABLE_FL)
		1152	const_iv (FS_APPEND_FL)
		1153	const_iv (FS_NODUMP_FL)
		1154	const_iv (FS_NOATIME_FL)
		1155	const_iv (FS_DIRTY_FL)
		1156	const_iv (FS_COMPRBLK_FL)
		1157	const_iv (FS_NOCOMP_FL)
		1158	const_iv (FS_ENCRYPT_FL)
		1159	const_iv (FS_BTREE_FL)
		1160	const_iv (FS_INDEX_FL)
		1161	const_iv (FS_JOURNAL_DATA_FL)
		1162	const_iv (FS_NOTAIL_FL)
		1163	const_iv (FS_DIRSYNC_FL)
		1164	const_iv (FS_TOPDIR_FL)
		1165	const_iv (FS_FL_USER_MODIFIABLE)
		1166
		1167	const_iv (FS_XFLAG_REALTIME)
		1168	const_iv (FS_XFLAG_PREALLOC)
		1169	const_iv (FS_XFLAG_IMMUTABLE)
		1170	const_iv (FS_XFLAG_APPEND)
		1171	const_iv (FS_XFLAG_SYNC)
		1172	const_iv (FS_XFLAG_NOATIME)
		1173	const_iv (FS_XFLAG_NODUMP)
		1174	const_iv (FS_XFLAG_RTINHERIT)
		1175	const_iv (FS_XFLAG_PROJINHERIT)
		1176	const_iv (FS_XFLAG_NOSYMLINKS)
		1177	const_iv (FS_XFLAG_EXTSIZE)
		1178	const_iv (FS_XFLAG_EXTSZINHERIT)
		1179	const_iv (FS_XFLAG_NODEFRAG)
		1180	const_iv (FS_XFLAG_FILESTREAM)
		1181	const_iv (FS_XFLAG_DAX)
		1182	const_iv (FS_XFLAG_HASATTR)
994		1183
995	const_iv (FIEMAP_FLAG_SYNC)	1184	const_iv (FIEMAP_FLAG_SYNC)
996	const_iv (FIEMAP_FLAG_XATTR)	1185	const_iv (FIEMAP_FLAG_XATTR)
997	const_iv (FIEMAP_FLAGS_COMPAT)	1186	const_iv (FIEMAP_FLAGS_COMPAT)
998	const_iv (FIEMAP_EXTENT_LAST)	1187	const_iv (FIEMAP_EXTENT_LAST)
…		…
1010	const_iv (SPLICE_F_MOVE)	1199	const_iv (SPLICE_F_MOVE)
1011	const_iv (SPLICE_F_NONBLOCK)	1200	const_iv (SPLICE_F_NONBLOCK)
1012	const_iv (SPLICE_F_MORE)	1201	const_iv (SPLICE_F_MORE)
1013	const_iv (SPLICE_F_GIFT)	1202	const_iv (SPLICE_F_GIFT)
1014		1203
1015	const_iv (SEEK_DATA)	1204	const_iv (EFD_CLOEXEC)
		1205	const_iv (EFD_NONBLOCK)
1016	const_iv (SEEK_HOLE)	1206	const_iv (EFD_SEMAPHORE)
1017		1207
1018	/* libeio constants */	1208	const_iv (CLOCK_REALTIME)
		1209	const_iv (CLOCK_MONOTONIC)
		1210	const_iv (CLOCK_BOOTTIME)
		1211	const_iv (CLOCK_REALTIME_ALARM)
		1212	const_iv (CLOCK_BOOTTIME_ALARM)
		1213
		1214	const_iv (TFD_NONBLOCK)
		1215	const_iv (TFD_CLOEXEC)
		1216
		1217	const_iv (TFD_TIMER_ABSTIME)
		1218	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1219
		1220	/* these are libeio constants, and are independent of gendef0 */
1019	const_eio (SEEK_SET)	1221	const_eio (SEEK_SET)
1020	const_eio (SEEK_CUR)	1222	const_eio (SEEK_CUR)
1021	const_eio (SEEK_END)	1223	const_eio (SEEK_END)
1022		1224
1023	const_eio (MCL_FUTURE)	1225	const_eio (MCL_FUTURE)
…		…
1033	const_eio (SYNC_FILE_RANGE_WRITE)	1235	const_eio (SYNC_FILE_RANGE_WRITE)
1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1236	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1035		1237
1036	const_eio (FALLOC_FL_KEEP_SIZE)	1238	const_eio (FALLOC_FL_KEEP_SIZE)
1037	const_eio (FALLOC_FL_PUNCH_HOLE)	1239	const_eio (FALLOC_FL_PUNCH_HOLE)
		1240	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1241	const_eio (FALLOC_FL_ZERO_RANGE)
		1242	const_eio (FALLOC_FL_INSERT_RANGE)
		1243	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1244
		1245	const_eio (RENAME_NOREPLACE)
		1246	const_eio (RENAME_EXCHANGE)
		1247	const_eio (RENAME_WHITEOUT)
1038		1248
1039	const_eio (READDIR_DENTS)	1249	const_eio (READDIR_DENTS)
1040	const_eio (READDIR_DIRS_FIRST)	1250	const_eio (READDIR_DIRS_FIRST)
1041	const_eio (READDIR_STAT_ORDER)	1251	const_eio (READDIR_STAT_ORDER)
1042	const_eio (READDIR_FOUND_UNKNOWN)	1252	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1110	PROTOTYPE: $	1320	PROTOTYPE: $
1111	CODE:	1321	CODE:
1112	max_outstanding = maxreqs;	1322	max_outstanding = maxreqs;
1113		1323
1114	void	1324	void
1115	aio_wd (SV8 pathname, SV callback=&PL_sv_undef)	1325	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
1116	PPCODE:	1326	PPCODE:
1117	{	1327	{
1118	dREQ;	1328	dREQ;
1119		1329
1120	req->type = EIO_WD_OPEN;	1330	req->type = EIO_WD_OPEN;
…		…
1122		1332
1123	REQ_SEND;	1333	REQ_SEND;
1124	}	1334	}
1125		1335
1126	void	1336	void
1127	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1337	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
1128	PPCODE:	1338	PPCODE:
1129	{	1339	{
1130	dREQ;	1340	dREQ;
1131		1341
1132	req->type = EIO_OPEN;	1342	req->type = EIO_OPEN;
…		…
1136		1346
1137	REQ_SEND;	1347	REQ_SEND;
1138	}	1348	}
1139		1349
1140	void	1350	void
1141	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1351	aio_fsync (SV fh, SV callback = &PL_sv_undef)
1142	ALIAS:	1352	ALIAS:
1143	aio_fsync = EIO_FSYNC	1353	aio_fsync = EIO_FSYNC
1144	aio_fdatasync = EIO_FDATASYNC	1354	aio_fdatasync = EIO_FDATASYNC
1145	aio_syncfs = EIO_SYNCFS	1355	aio_syncfs = EIO_SYNCFS
1146	PPCODE:	1356	PPCODE:
…		…
1154		1364
1155	REQ_SEND;	1365	REQ_SEND;
1156	}	1366	}
1157		1367
1158	void	1368	void
1159	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1369	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
1160	PPCODE:	1370	PPCODE:
1161	{	1371	{
1162	int fd = s_fileno_croak (fh, 0);	1372	int fd = s_fileno_croak (fh, 0);
1163	dREQ;	1373	dREQ;
1164		1374
…		…
1171		1381
1172	REQ_SEND;	1382	REQ_SEND;
1173	}	1383	}
1174		1384
1175	void	1385	void
1176	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1386	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
1177	PPCODE:	1387	PPCODE:
1178	{	1388	{
1179	int fd = s_fileno_croak (fh, 0);	1389	int fd = s_fileno_croak (fh, 0);
1180	dREQ;	1390	dREQ;
1181		1391
…		…
1188		1398
1189	REQ_SEND;	1399	REQ_SEND;
1190	}	1400	}
1191		1401
1192	void	1402	void
1193	aio_close (SV fh, SV callback=&PL_sv_undef)	1403	aio_close (SV fh, SV callback = &PL_sv_undef)
1194	PPCODE:	1404	PPCODE:
1195	{	1405	{
1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1406	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1197	int fd = s_fileno_croak (fh, 0);	1407	int fd = s_fileno_croak (fh, 0);
1198	dREQ;	1408	dREQ;
…		…
1222		1432
1223	REQ_SEND;	1433	REQ_SEND;
1224	}	1434	}
1225		1435
1226	void	1436	void
1227	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)	1437	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
1228	PPCODE:	1438	PPCODE:
1229	{	1439	{
1230	int fd = s_fileno_croak (fh, 0);	1440	int fd = s_fileno_croak (fh, 0);
1231	dREQ;	1441	dREQ;
1232		1442
…		…
1238		1448
1239	REQ_SEND;	1449	REQ_SEND;
1240	}	1450	}
1241		1451
1242	void	1452	void
1243	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1453	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
1244	ALIAS:	1454	ALIAS:
1245	aio_read = EIO_READ	1455	aio_read = EIO_READ
1246	aio_write = EIO_WRITE	1456	aio_write = EIO_WRITE
1247	PPCODE:	1457	PPCODE:
1248	{	1458	{
…		…
1293	REQ_SEND;	1503	REQ_SEND;
1294	}	1504	}
1295	}	1505	}
1296		1506
1297	void	1507	void
		1508	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1509	ALIAS:
		1510	aio_ioctl = EIO_IOCTL
		1511	aio_fcntl = EIO_FCNTL
		1512	PPCODE:
		1513	{
		1514	int fd = s_fileno_croak (fh, 0);
		1515	char *svptr;
		1516
		1517	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1518	{
		1519	STRLEN svlen;
		1520	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1521	#ifdef IOCPARM_LEN
		1522	STRLEN need = IOCPARM_LEN (request);
		1523	#else
		1524	STRLEN need = 256;
		1525	#endif
		1526
		1527	if (svlen < need)
		1528	svptr = SvGROW (arg, need);
		1529	}
		1530	else
		1531	svptr = (char *)SvIV (arg);
		1532
		1533	{
		1534	dREQ;
		1535
		1536	req->type = ix;
		1537	req->sv1 = newSVsv (fh);
		1538	req->int1 = fd;
		1539	req->int2 = (long)request;
		1540	req->sv2 = SvREFCNT_inc (arg);
		1541	req->ptr2 = svptr;
		1542
		1543	REQ_SEND;
		1544	}
		1545	}
		1546
		1547	void
1298	aio_readlink (SV8 pathname, SV callback=&PL_sv_undef)	1548	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1299	ALIAS:	1549	ALIAS:
1300	aio_readlink = EIO_READLINK	1550	aio_readlink = EIO_READLINK
1301	aio_realpath = EIO_REALPATH	1551	aio_realpath = EIO_REALPATH
1302	PPCODE:	1552	PPCODE:
1303	{	1553	{
…		…
1308		1558
1309	REQ_SEND;	1559	REQ_SEND;
1310	}	1560	}
1311		1561
1312	void	1562	void
1313	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1563	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1314	PPCODE:	1564	PPCODE:
1315	{	1565	{
1316	int ifd = s_fileno_croak (in_fh , 0);	1566	int ifd = s_fileno_croak (in_fh , 0);
1317	int ofd = s_fileno_croak (out_fh, 1);	1567	int ofd = s_fileno_croak (out_fh, 1);
1318	dREQ;	1568	dREQ;
…		…
1327		1577
1328	REQ_SEND;	1578	REQ_SEND;
1329	}	1579	}
1330		1580
1331	void	1581	void
1332	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1582	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
1333	PPCODE:	1583	PPCODE:
1334	{	1584	{
1335	int fd = s_fileno_croak (fh, 0);	1585	int fd = s_fileno_croak (fh, 0);
1336	dREQ;	1586	dREQ;
1337		1587
…		…
1343		1593
1344	REQ_SEND;	1594	REQ_SEND;
1345	}	1595	}
1346		1596
1347	void	1597	void
1348	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1598	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
1349	ALIAS:	1599	ALIAS:
1350	aio_stat = EIO_STAT	1600	aio_stat = EIO_STAT
1351	aio_lstat = EIO_LSTAT	1601	aio_lstat = EIO_LSTAT
1352	aio_statvfs = EIO_STATVFS	1602	aio_statvfs = EIO_STATVFS
1353	PPCODE:	1603	PPCODE:
…		…
1362	UV	1612	UV
1363	major (UV dev)	1613	major (UV dev)
1364	ALIAS:	1614	ALIAS:
1365	minor = 1	1615	minor = 1
1366	CODE:	1616	CODE:
1367	RETVAL = ix ? major (dev) : minor (dev);	1617	RETVAL = ix ? minor (dev) : major (dev);
1368	OUTPUT:	1618	OUTPUT:
1369	RETVAL	1619	RETVAL
1370		1620
1371	UV	1621	UV
1372	makedev (UV maj, UV min)	1622	makedev (UV maj, UV min)
…		…
1374	RETVAL = makedev (maj, min);	1624	RETVAL = makedev (maj, min);
1375	OUTPUT:	1625	OUTPUT:
1376	RETVAL	1626	RETVAL
1377		1627
1378	void	1628	void
1379	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1629	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
1380	PPCODE:	1630	PPCODE:
1381	{	1631	{
1382	dREQ;	1632	dREQ;
1383		1633
1384	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1634	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1387		1637
1388	REQ_SEND;	1638	REQ_SEND;
1389	}	1639	}
1390		1640
1391	void	1641	void
1392	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1642	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
1393	PPCODE:	1643	PPCODE:
1394	{	1644	{
1395	dREQ;	1645	dREQ;
1396		1646
1397	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1647	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1399		1649
1400	REQ_SEND;	1650	REQ_SEND;
1401	}	1651	}
1402		1652
1403	void	1653	void
1404	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1654	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
1405	PPCODE:	1655	PPCODE:
1406	{	1656	{
1407	dREQ;	1657	dREQ;
1408		1658
1409	req->int2 = mode;	1659	req->int2 = mode;
…		…
1411		1661
1412	REQ_SEND;	1662	REQ_SEND;
1413	}	1663	}
1414		1664
1415	void	1665	void
1416	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1666	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1417	PPCODE:	1667	PPCODE:
1418	{	1668	{
1419	dREQ;	1669	dREQ;
1420		1670
1421	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1671	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1424		1674
1425	REQ_SEND;	1675	REQ_SEND;
1426	}	1676	}
1427		1677
1428	void	1678	void
1429	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1679	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1430	PPCODE:	1680	PPCODE:
1431	{	1681	{
1432	dREQ;	1682	dREQ;
1433		1683
1434	req->type = EIO_READDIR;	1684	req->type = EIO_READDIR;
…		…
1441		1691
1442	REQ_SEND;	1692	REQ_SEND;
1443	}	1693	}
1444		1694
1445	void	1695	void
1446	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)	1696	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
1447	PPCODE:	1697	PPCODE:
1448	{	1698	{
1449	dREQ;	1699	dREQ;
1450		1700
1451	req->type = EIO_MKDIR;	1701	req->type = EIO_MKDIR;
…		…
1454		1704
1455	REQ_SEND;	1705	REQ_SEND;
1456	}	1706	}
1457		1707
1458	void	1708	void
1459	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1709	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1460	ALIAS:	1710	ALIAS:
1461	aio_unlink = EIO_UNLINK	1711	aio_unlink = EIO_UNLINK
1462	aio_rmdir = EIO_RMDIR	1712	aio_rmdir = EIO_RMDIR
1463	aio_readdir = EIO_READDIR	1713	aio_readdir = EIO_READDIR
1464	PPCODE:	1714	PPCODE:
…		…
1470		1720
1471	REQ_SEND;	1721	REQ_SEND;
1472	}	1722	}
1473		1723
1474	void	1724	void
1475	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1725	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1476	ALIAS:	1726	ALIAS:
1477	aio_link = EIO_LINK	1727	aio_link = EIO_LINK
1478	aio_symlink = EIO_SYMLINK	1728	aio_symlink = EIO_SYMLINK
1479	aio_rename = EIO_RENAME	1729	aio_rename = EIO_RENAME
1480	PPCODE:	1730	PPCODE:
…		…
1489		1739
1490	REQ_SEND;	1740	REQ_SEND;
1491	}	1741	}
1492		1742
1493	void	1743	void
		1744	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1745	PPCODE:
		1746	{
		1747	eio_wd wd2 = 0;
		1748	dREQ;
		1749
		1750	req->type = EIO_RENAME;
		1751	req_set_path1 (req, oldpath);
		1752	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1753	req->int2 = flags;
		1754	req->int3 = (long)wd2;
		1755
		1756	REQ_SEND;
		1757	}
		1758
		1759	void
1494	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1760	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1495	PPCODE:	1761	PPCODE:
1496	{	1762	{
1497	dREQ;	1763	dREQ;
1498		1764
1499	req->type = EIO_MKNOD;	1765	req->type = EIO_MKNOD;
…		…
1503		1769
1504	REQ_SEND;	1770	REQ_SEND;
1505	}	1771	}
1506		1772
1507	void	1773	void
1508	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1774	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1509	ALIAS:	1775	ALIAS:
1510	aio_mtouch = EIO_MTOUCH	1776	aio_mtouch = EIO_MTOUCH
1511	aio_msync = EIO_MSYNC	1777	aio_msync = EIO_MSYNC
1512	PPCODE:	1778	PPCODE:
1513	{	1779	{
1514	STRLEN svlen;	1780	STRLEN svlen;
1515	char *svptr = SvPVbyte (data, svlen);	1781	char *svptr = SvPVbyte (data, svlen);
1516	UV len = SvUV (length);	1782	UV len = SvUV (length);
		1783
		1784	if (flags < 0)
		1785	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1517		1786
1518	if (offset < 0)	1787	if (offset < 0)
1519	offset += svlen;	1788	offset += svlen;
1520		1789
1521	if (offset < 0 \|\| offset > svlen)	1790	if (offset < 0 \|\| offset > svlen)
…		…
1536	REQ_SEND;	1805	REQ_SEND;
1537	}	1806	}
1538	}	1807	}
1539		1808
1540	void	1809	void
1541	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1810	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1542	PPCODE:	1811	PPCODE:
1543	{	1812	{
1544	STRLEN svlen;	1813	STRLEN svlen;
1545	char *svptr = SvPVbyte (data, svlen);	1814	char *svptr = SvPVbyte (data, svlen);
1546	UV len = SvUV (length);	1815	UV len = SvUV (length);
…		…
1565	REQ_SEND;	1834	REQ_SEND;
1566	}	1835	}
1567	}	1836	}
1568		1837
1569	void	1838	void
1570	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1839	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1571	PPCODE:	1840	PPCODE:
1572	{	1841	{
1573	dREQ;	1842	dREQ;
1574		1843
1575	req->type = EIO_MLOCKALL;	1844	req->type = EIO_MLOCKALL;
…		…
1577		1846
1578	REQ_SEND;	1847	REQ_SEND;
1579	}	1848	}
1580		1849
1581	void	1850	void
1582	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)	1851	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
1583	PPCODE:	1852	PPCODE:
1584	{	1853	{
1585	int fd = s_fileno_croak (fh, 0);	1854	int fd = s_fileno_croak (fh, 0);
1586	dREQ;	1855	dREQ;
1587		1856
…		…
1600		1869
1601	REQ_SEND;	1870	REQ_SEND;
1602	}	1871	}
1603		1872
1604	void	1873	void
		1874	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1875	PPCODE:
		1876	{
		1877	char *svptr = 0;
		1878
		1879	sv_clear_foreign (data);
		1880
		1881	if (length) /* known length, directly read into scalar */
		1882	{
		1883	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1884	svptr = sv_grow (data, length + 1);
		1885	else if (SvCUR (data) < length)
		1886	croak ("length outside of scalar, and cannot grow");
		1887	else
		1888	svptr = SvPVbyte_nolen (data);
		1889	}
		1890
		1891	{
		1892	dREQ;
		1893
		1894	req->type = EIO_SLURP;
		1895	req_set_path1 (req, pathname);
		1896	req->offs = offset;
		1897	req->size = length;
		1898	req->sv2 = SvREFCNT_inc (data);
		1899	req->ptr2 = svptr;
		1900
		1901	if (!SvREADONLY (data))
		1902	{
		1903	SvREADONLY_on (data);
		1904	req->flags \|= FLAG_SV2_RO_OFF;
		1905	}
		1906
		1907	REQ_SEND;
		1908	}
		1909	}
		1910
		1911	void
1605	aio_busy (double delay, SV *callback=&PL_sv_undef)	1912	aio_busy (double delay, SV *callback = &PL_sv_undef)
1606	PPCODE:	1913	PPCODE:
1607	{	1914	{
1608	dREQ;	1915	dREQ;
1609		1916
1610	req->type = EIO_BUSY;	1917	req->type = EIO_BUSY;
…		…
1612		1919
1613	REQ_SEND;	1920	REQ_SEND;
1614	}	1921	}
1615		1922
1616	void	1923	void
1617	aio_group (SV *callback=&PL_sv_undef)	1924	aio_group (SV *callback = &PL_sv_undef)
1618	PPCODE:	1925	PPCODE:
1619	{	1926	{
1620	dREQ;	1927	dREQ;
1621		1928
1622	req->type = EIO_GROUP;	1929	req->type = EIO_GROUP;
…		…
1627		1934
1628	XPUSHs (req_sv (req, aio_grp_stash));	1935	XPUSHs (req_sv (req, aio_grp_stash));
1629	}	1936	}
1630		1937
1631	void	1938	void
1632	aio_nop (SV *callback=&PL_sv_undef)	1939	aio_nop (SV *callback = &PL_sv_undef)
1633	ALIAS:	1940	ALIAS:
1634	aio_nop = EIO_NOP	1941	aio_nop = EIO_NOP
1635	aio_sync = EIO_SYNC	1942	aio_sync = EIO_SYNC
1636	PPCODE:	1943	PPCODE:
1637	{	1944	{
…		…
1641		1948
1642	REQ_SEND;	1949	REQ_SEND;
1643	}	1950	}
1644		1951
1645	int	1952	int
1646	aioreq_pri (int pri = 0)	1953	aioreq_pri (int pri = NO_INIT)
1647	CODE:	1954	CODE:
1648	RETVAL = next_pri;	1955	RETVAL = next_pri;
1649	if (items > 0)	1956	if (items > 0)
1650	{	1957	{
1651	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1958	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1743	RETVAL	2050	RETVAL
1744		2051
1745	void	2052	void
1746	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2053	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1747	PPCODE:	2054	PPCODE:
1748	sv_unmagic (scalar, MMAP_MAGIC);	2055	sv_clear_foreign (scalar);
1749	{	2056	{
1750	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2057	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1751	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2058	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1752	if (addr == (void *)-1)	2059	if (addr == (void *)-1)
1753	XSRETURN_NO;	2060	XSRETURN_NO;
1754		2061
1755	sv_force_normal (scalar);	2062	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1756
1757	/* we store the length in mg_obj, as namlen is I32 :/ */
1758	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1759	->mg_obj = (SV *)length;
1760
1761	SvUPGRADE (scalar, SVt_PV); /* nop... */
1762		2063
1763	if (!(prot & PROT_WRITE))	2064	if (!(prot & PROT_WRITE))
1764	SvREADONLY_on (scalar);	2065	SvREADONLY_on (scalar);
1765		2066
1766	if (SvLEN (scalar))
1767	Safefree (SvPVX (scalar));
1768
1769	SvPVX (scalar) = (char *)addr;
1770	SvCUR_set (scalar, length);
1771	SvLEN_set (scalar, 0);
1772	SvPOK_only (scalar);
1773
1774	XSRETURN_YES;	2067	XSRETURN_YES;
1775	}	2068	}
1776		2069
1777	void	2070	void
1778	munmap (SV *scalar)	2071	munmap (SV *scalar)
1779	CODE:	2072	CODE:
1780	sv_unmagic (scalar, MMAP_MAGIC);	2073	sv_clear_foreign (scalar);
		2074
		2075	SV *
		2076	mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
		2077	CODE:
		2078	{
		2079	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2080	void *new;
		2081
		2082	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2083	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2084
		2085	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2086
		2087	RETVAL = &PL_sv_no;
		2088
		2089	if (new != (void *)-1)
		2090	{
		2091	RETVAL = new == (void *)mg->mg_ptr
		2092	? newSVpvn ("0 but true", 10)
		2093	: &PL_sv_yes;
		2094
		2095	mg->mg_ptr = (char *)new;
		2096	mg->mg_obj = (SV *)new_length;
		2097
		2098	SvPVX (scalar) = mg->mg_ptr;
		2099	SvCUR_set (scalar, new_length);
		2100	}
		2101	}
		2102	OUTPUT:
		2103	RETVAL
1781		2104
1782	int	2105	int
1783	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2106	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1784	ALIAS:	2107	ALIAS:
1785	mprotect = 1	2108	mprotect = 1
…		…
1891	errno = ENOSYS;	2214	errno = ENOSYS;
1892	RETVAL = -1;	2215	RETVAL = -1;
1893	#endif	2216	#endif
1894	OUTPUT:	2217	OUTPUT:
1895	RETVAL	2218	RETVAL
		2219
		2220	void
		2221	pipe2 (int flags = 0)
		2222	PROTOTYPE: ;$
		2223	PPCODE:
		2224	{
		2225	int fd[2];
		2226	int res;
		2227
		2228	if (flags)
		2229	#if HAVE_PIPE2
		2230	res = pipe2 (fd, flags);
		2231	#else
		2232	res = (errno = ENOSYS, -1);
		2233	#endif
		2234	else
		2235	res = pipe (fd);
		2236
		2237	if (!res)
		2238	{
		2239	EXTEND (SP, 2);
		2240	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2241	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2242	}
		2243	}
		2244
		2245	void
		2246	eventfd (unsigned int initval = 0, int flags = 0)
		2247	PPCODE:
		2248	{
		2249	int fd;
		2250	#if HAVE_EVENTFD
		2251	fd = eventfd (initval, flags);
		2252	#else
		2253	fd = (errno = ENOSYS, -1);
		2254	#endif
		2255
		2256	XPUSHs (newmortalFH (fd, O_RDWR));
		2257	}
		2258
		2259	void
		2260	timerfd_create (int clockid, int flags = 0)
		2261	PPCODE:
		2262	{
		2263	int fd;
		2264	#if HAVE_TIMERFD
		2265	fd = timerfd_create (clockid, flags);
		2266	#else
		2267	fd = (errno = ENOSYS, -1);
		2268	#endif
		2269
		2270	XPUSHs (newmortalFH (fd, O_RDWR));
		2271	}
		2272
		2273	void
		2274	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2275	PPCODE:
		2276	{
		2277	int fd = s_fileno_croak (fh, 0);
		2278	#if HAVE_TIMERFD
		2279	int res;
		2280	struct itimerspec its, ots;
		2281
		2282	ts_set (&its.it_interval, interval);
		2283	ts_set (&its.it_value , value);
		2284	res = timerfd_settime (fd, flags, &its, &ots);
		2285
		2286	if (!res)
		2287	{
		2288	EXTEND (SP, 2);
		2289	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2290	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2291	}
		2292	#else
		2293	errno = ENOSYS;
		2294	#endif
		2295	}
		2296
		2297	void
		2298	timerfd_gettime (SV *fh)
		2299	PPCODE:
		2300	{
		2301	int fd = s_fileno_croak (fh, 0);
		2302	#if HAVE_TIMERFD
		2303	int res;
		2304	struct itimerspec ots;
		2305	res = timerfd_gettime (fd, &ots);
		2306
		2307	if (!res)
		2308	{
		2309	EXTEND (SP, 2);
		2310	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2311	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2312	}
		2313	#else
		2314	errno = ENOSYS;
		2315	#endif
		2316	}
		2317
		2318	UV
		2319	get_fdlimit ()
		2320	CODE:
		2321	#if HAVE_RLIMITS
		2322	struct rlimit rl;
		2323	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2324	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2325	#endif
		2326	XSRETURN_UNDEF;
		2327	OUTPUT:
		2328	RETVAL
		2329
		2330	void
		2331	min_fdlimit (UV limit = 0x7fffffffU)
		2332	CODE:
		2333	{
		2334	#if HAVE_RLIMITS
		2335	struct rlimit rl;
		2336	rlim_t orig_rlim_max;
		2337	UV bit;
		2338
		2339	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2340	goto fail;
		2341
		2342	if (rl.rlim_cur == RLIM_INFINITY)
		2343	XSRETURN_YES;
		2344
		2345	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2346
		2347	if (rl.rlim_cur < limit)
		2348	{
		2349	rl.rlim_cur = limit;
		2350
		2351	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2352	rl.rlim_max = rl.rlim_cur;
		2353	}
		2354
		2355	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2356	XSRETURN_YES;
		2357
		2358	if (errno == EPERM)
		2359	{
		2360	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2361	/* our limit overflows a system-wide limit */
		2362	/* try an adaptive algorithm, but do not lower the hardlimit */
		2363	rl.rlim_max = 0;
		2364	for (bit = 0x40000000U; bit; bit >>= 1)
		2365	{
		2366	rl.rlim_max \|= bit;
		2367	rl.rlim_cur = rl.rlim_max;
		2368
		2369	/* nevr decrease the hard limit */
		2370	if (rl.rlim_max < orig_rlim_max)
		2371	break;
		2372
		2373	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2374	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2375	}
		2376
		2377	/* now, raise the soft limit to the max permitted */
		2378	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2379	{
		2380	rl.rlim_cur = rl.rlim_max;
		2381	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2382	errno = EPERM;
		2383	}
		2384	}
		2385	#endif
		2386	fail:
		2387	XSRETURN_UNDEF;
		2388	}
1896		2389
1897	void _on_next_submit (SV *cb)	2390	void _on_next_submit (SV *cb)
1898	CODE:	2391	CODE:
1899	SvREFCNT_dec (on_next_submit);	2392	SvREFCNT_dec (on_next_submit);
1900	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2393	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1935	cancel (aio_req_ornot req)	2428	cancel (aio_req_ornot req)
1936	CODE:	2429	CODE:
1937	eio_cancel (req);	2430	eio_cancel (req);
1938		2431
1939	void	2432	void
1940	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2433	cb (aio_req_ornot req, SV *callback = NO_INIT)
1941	PPCODE:	2434	PPCODE:
1942	{	2435	{
1943	if (GIMME_V != G_VOID)	2436	if (GIMME_V != G_VOID)
1944	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2437	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1945		2438
1946	if (items > 1)	2439	if (items > 1)
1947	{	2440	{
1948	SV *cb_cv =get_cb (callback);	2441	SV *cb_cv = get_cb (callback);
1949		2442
1950	SvREFCNT_dec (req->callback);	2443	SvREFCNT_dec (req->callback);
1951	req->callback = SvREFCNT_inc (cb_cv);	2444	req->callback = SvREFCNT_inc (cb_cv);
1952	}	2445	}
1953	}	2446	}
…		…
2010	limit (aio_req grp, int limit)	2503	limit (aio_req grp, int limit)
2011	CODE:	2504	CODE:
2012	eio_grp_limit (grp, limit);	2505	eio_grp_limit (grp, limit);
2013		2506
2014	void	2507	void
2015	feed (aio_req grp, SV *callback=&PL_sv_undef)	2508	feed (aio_req grp, SV *callback = &PL_sv_undef)
2016	CODE:	2509	CODE:
2017	{	2510	{
2018	SvREFCNT_dec (grp->sv2);	2511	SvREFCNT_dec (grp->sv2);
2019	grp->sv2 = newSVsv (callback);	2512	grp->sv2 = newSVsv (callback);
2020	grp->feed = aio_grp_feed;	2513	grp->feed = aio_grp_feed;

Diff Legend

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+Removed lines
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+Changed lines
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Comparing IO-AIO/AIO.xs (file contents): Revision 1.231 by root, Wed Feb 11 19:32:36 2015 UTC vs. Revision 1.259 by root, Sun Jul 22 20:39:19 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.231 by root, Wed Feb 11 19:32:36 2015 UTC vs.
Revision 1.259 by root, Sun Jul 22 20:39:19 2018 UTC