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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC vs.
Revision 1.273 by root, Mon Mar 4 10:28:38 2019 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
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	#include "perliol.h"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19		23
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>
22	#endif
23
24	/* the incompetent fool that created musl keeps __linux__, refuses	24	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	25	* 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.	26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
27	*/	28	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	29	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	30	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	31	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	32	# include <linux/types.h>
…		…
74	#undef fchmod	75	#undef fchmod
75	#undef dup	76	#undef dup
76	#undef dup2	77	#undef dup2
77	#undef abort	78	#undef abort
78	#undef pipe	79	#undef pipe
		80	#undef utime
79		81
80	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
81	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
82		84
83	#else	85	#else
…		…
102		104
103	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
105		107
106	/*****************************************************************************/	108	/*****************************************************************************/
		109
		110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_ST_XTIMENSEC
		123	# define ATIMENSEC PL_statcache.st_atimensec
		124	# define MTIMENSEC PL_statcache.st_mtimensec
		125	# define CTIMENSEC PL_statcache.st_ctimensec
		126	#elif HAVE_ST_XTIMESPEC
		127	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		128	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		129	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		130	#else
		131	# define ATIMENSEC 0
		132	# define MTIMENSEC 0
		133	# define CTIMENSEC 0
		134	#endif
		135
		136	#if HAVE_ST_BIRTHTIMENSEC
		137	# define BTIMESEC PL_statcache.st_birthtime
		138	# define BTIMENSEC PL_statcache.st_birthtimensec
		139	#elif HAVE_ST_BIRTHTIMESPEC
		140	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		141	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		142	#else
		143	# define BTIMESEC 0
		144	# define BTIMENSEC 0
		145	#endif
		146
		147	#if HAVE_ST_GEN
		148	# define ST_GEN PL_statcache.st_gen
		149	#else
		150	# define ST_GEN 0
		151	#endif
		152
		153	#include "schmorp.h"
		154
		155	#if HAVE_EVENTFD
		156	# include <sys/eventfd.h>
		157	#endif
		158
		159	#if HAVE_TIMERFD
		160	# include <sys/timerfd.h>
		161	#endif
		162
		163	#if HAVE_RLIMITS
		164	#include <sys/time.h>
		165	#include <sys/resource.h>
		166	#endif
107		167
108	typedef SV SV8; /* byte-sv, used for argument-checking */	168	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	169	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	170	typedef int aio_wfd; /* write file descriptor */
111		171
…		…
118	STRLEN stroffset; \	178	STRLEN stroffset; \
119	SV *self;	179	SV *self;
120		180
121	#define EIO_NO_WRAPPERS 1	181	#define EIO_NO_WRAPPERS 1
122		182
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	183	#include "libeio/eio.h"
125		184
126	static int req_invoke (eio_req *req);	185	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	186	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	187	static void req_destroy (eio_req *grp);
…		…
144	# else	203	# else
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	204	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	205	# endif
147	#endif	206	#endif
148		207
149	/* defines all sorts of constants to 0 unless they are already defined */
150	#include "def0.h"
151
152	#ifndef makedev	208	#ifndef makedev
153	# define makedev(maj,min) (((maj) << 8) \| (min))	209	# define makedev(maj,min) (((maj) << 8) \| (min))
154	#endif	210	#endif
155	#ifndef major	211	#ifndef major
156	# define major(dev) ((dev) >> 8)	212	# define major(dev) ((dev) >> 8)
157	#endif	213	#endif
158	#ifndef minor	214	#ifndef minor
159	# define minor(dev) ((dev) & 0xff)	215	# define minor(dev) ((dev) & 0xff)
160	#endif	216	#endif
161		217
		218	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		219	#ifdef __sun
		220	# undef PAGESIZE
		221	#endif
		222
162	#if PAGESIZE <= 0	223	#if PAGESIZE <= 0
163	# define PAGESIZE sysconf (_SC_PAGESIZE)	224	# define PAGESIZE sysconf (_SC_PAGESIZE)
164	#endif	225	#endif
		226
		227	/*****************************************************************************/
		228
		229	#if !_POSIX_MAPPED_FILES
		230	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		231	# define munmap(addr,length) EIO_ENOSYS ()
		232	#endif
		233
		234	#if !_POSIX_MEMORY_PROTECTION
		235	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		236	#endif
		237
		238	#if !MREMAP_MAYMOVE
		239	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		240	#endif
		241
		242	#define FOREIGN_MAGIC PERL_MAGIC_ext
		243
		244	static int ecb_cold
		245	mmap_free (pTHX_ SV sv, MAGIC mg)
		246	{
		247	int old_errno = errno;
		248	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		249	errno = old_errno;
		250
		251	mg->mg_obj = 0; /* just in case */
		252
		253	SvREADONLY_off (sv);
		254
		255	if (SvPVX (sv) != mg->mg_ptr)
		256	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		257
		258	SvCUR_set (sv, 0);
		259	SvPVX (sv) = 0;
		260	SvOK_off (sv);
		261
		262	return 0;
		263	}
		264
		265	static MGVTBL mmap_vtbl = {
		266	0, 0, 0, 0, mmap_free
		267	};
		268
		269	static int ecb_cold
		270	sysfree_free (pTHX_ SV sv, MAGIC mg)
		271	{
		272	free (mg->mg_ptr);
		273	mg->mg_obj = 0; /* just in case */
		274
		275	SvREADONLY_off (sv);
		276
		277	if (SvPVX (sv) != mg->mg_ptr)
		278	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		279
		280	SvCUR_set (sv, 0);
		281	SvPVX (sv) = 0;
		282	SvOK_off (sv);
		283
		284	return 0;
		285	}
		286
		287	static MGVTBL sysfree_vtbl = {
		288	0, 0, 0, 0, sysfree_free
		289	};
		290
		291	/*****************************************************************************/
		292
		293	/* helper: set scalar to foreign ptr with custom free */
		294	static void
		295	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		296	{
		297	sv_force_normal (sv);
		298
		299	/* we store the length in mg_obj, as namlen is I32 :/ */
		300	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		301	->mg_obj = (SV *)length;
		302
		303	SvUPGRADE (sv, SVt_PV); /* nop... */
		304
		305	if (SvLEN (sv))
		306	Safefree (SvPVX (sv));
		307
		308	SvPVX (sv) = (char *)addr;
		309	SvCUR_set (sv, length);
		310	SvLEN_set (sv, 0);
		311	SvPOK_only (sv);
		312	}
		313
		314	static void
		315	sv_clear_foreign (SV *sv)
		316	{
		317	/* todo: iterate over magic and only free ours, but of course */
		318	/* the perl5porters will call that (correct) behaviour buggy */
		319	sv_unmagic (sv, FOREIGN_MAGIC);
		320	}
		321
		322	/*****************************************************************************/
		323
		324	/* defines all sorts of constants to 0 unless they are already defined */
		325	/* also provides const_iv_ and const_niv_ macros for them */
		326	#include "def0.h"
165		327
166	/*****************************************************************************/	328	/*****************************************************************************/
167		329
168	static void	330	static void
169	fiemap (eio_req *req)	331	fiemap (eio_req *req)
…		…
260	errno = ENOSYS;	422	errno = ENOSYS;
261	#endif	423	#endif
262	}	424	}
263		425
264	/*****************************************************************************/	426	/*****************************************************************************/
		427
		428	static int close_fd; /* dummy fd to close fds via dup2 */
265		429
266	enum {	430	enum {
267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	431	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
268	};	432	};
269		433
…		…
589	SvSETMAGIC (req->sv2);	753	SvSETMAGIC (req->sv2);
590	PUSHs (sv_result);	754	PUSHs (sv_result);
591	}	755	}
592	break;	756	break;
593		757
		758	case EIO_SLURP:
		759	{
		760	if (req->result >= 0)
		761	{
		762	/* if length was originally not known, we steal the malloc'ed memory */
		763	if (req->flags & EIO_FLAG_PTR2_FREE)
		764	{
		765	req->flags &= ~EIO_FLAG_PTR2_FREE;
		766	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		767	}
		768	else
		769	{
		770	SvCUR_set (req->sv2, req->result);
		771	*SvEND (req->sv2) = 0;
		772	SvPOK_only (req->sv2);
		773	}
		774
		775	SvSETMAGIC (req->sv2);
		776	}
		777
		778	PUSHs (sv_result);
		779	}
		780	break;
		781
594	case EIO_CUSTOM:	782	case EIO_CUSTOM:
595	if (req->feed == fiemap)	783	if (req->feed == fiemap)
596	{	784	{
597	#if HAVE_FIEMAP	785	#if HAVE_FIEMAP
598	if (!req->result)	786	if (!req->result)
…		…
629	}	817	}
630	else	818	else
631	PUSHs (sv_result);	819	PUSHs (sv_result);
632	break;	820	break;
633		821
		822	#if 0
		823	case EIO_CLOSE:
		824	PerlIOUnix_refcnt_dec (req->int1);
		825	break;
		826	#endif
		827
634	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	828	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
635	if (req->result > 0)	829	if (req->result > 0)
636	SvIV_set (sv_result, 0);	830	SvIV_set (sv_result, 0);
637	/* FALLTHROUGH */	831	/* FALLTHROUGH */
638		832
…		…
703	{	897	{
704	while (eio_nreqs ())	898	while (eio_nreqs ())
705	{	899	{
706	int size;	900	int size;
707		901
708	X_LOCK (reslock);	902	X_LOCK (EIO_POOL->reslock);
709	size = res_queue.size;	903	size = EIO_POOL->res_queue.size;
710	X_UNLOCK (reslock);	904	X_UNLOCK (EIO_POOL->reslock);
711		905
712	if (size)	906	if (size)
713	return;	907	return;
714		908
715	etp_maybe_start_thread ();	909	etp_maybe_start_thread (EIO_POOL);
716		910
717	s_epipe_wait (&respipe);	911	s_epipe_wait (&respipe);
718	}	912	}
719	}	913	}
720		914
…		…
741	create_respipe ();	935	create_respipe ();
742		936
743	if (eio_init (want_poll, done_poll) < 0)	937	if (eio_init (want_poll, done_poll) < 0)
744	croak ("IO::AIO: unable to initialise eio library");	938	croak ("IO::AIO: unable to initialise eio library");
745	}	939	}
746
747	/*****************************************************************************/
748
749	#if !_POSIX_MAPPED_FILES
750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
751	# define munmap(addr,length) EIO_ENOSYS ()
752	#endif
753
754	#if !_POSIX_MEMORY_PROTECTION
755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
756	# define PROT_NONE 0
757	# define PROT_WRITE 0
758	# define MAP_PRIVATE 0
759	# define MAP_SHARED 0
760	# define MAP_FIXED 0
761	#endif
762
763	#define MMAP_MAGIC PERL_MAGIC_ext
764
765	static int ecb_cold
766	mmap_free (pTHX_ SV sv, MAGIC mg)
767	{
768	int old_errno = errno;
769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
770	errno = old_errno;
771
772	mg->mg_obj = 0; /* just in case */
773
774	SvREADONLY_off (sv);
775
776	if (SvPVX (sv) != mg->mg_ptr)
777	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
778
779	SvCUR_set (sv, 0);
780	SvPVX (sv) = 0;
781	SvOK_off (sv);
782
783	return 0;
784	}
785
786	static MGVTBL mmap_vtbl = {
787	0, 0, 0, 0, mmap_free
788	};
789		940
790	/*****************************************************************************/	941	/*****************************************************************************/
791		942
792	static SV *	943	static SV *
793	get_cb (SV *cb_sv)	944	get_cb (SV *cb_sv)
…		…
889	req_set_path1 (req, fh_or_path);	1040	req_set_path1 (req, fh_or_path);
890	break;	1041	break;
891	}	1042	}
892	}	1043	}
893		1044
		1045	/*****************************************************************************/
		1046
		1047	static void
		1048	ts_set (struct timespec *ts, NV value)
		1049	{
		1050	ts->tv_sec = value;
		1051	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1052	}
		1053
		1054	static NV
		1055	ts_get (const struct timespec *ts)
		1056	{
		1057	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1058	}
		1059
		1060	/*****************************************************************************/
		1061
894	XS(boot_IO__AIO) ecb_cold;	1062	XS(boot_IO__AIO) ecb_cold;
895		1063
896	MODULE = IO::AIO PACKAGE = IO::AIO	1064	MODULE = IO::AIO PACKAGE = IO::AIO
897		1065
898	PROTOTYPES: ENABLE	1066	PROTOTYPES: ENABLE
…		…
905	} *civ, const_iv[] = {	1073	} *civ, const_iv[] = {
906	# define const_niv(name, value) { # name, (IV) value },	1074	# define const_niv(name, value) { # name, (IV) value },
907	# define const_iv(name) { # name, (IV) name },	1075	# define const_iv(name) { # name, (IV) name },
908	# define const_eio(name) { # name, (IV) EIO_ ## name },	1076	# define const_eio(name) { # name, (IV) EIO_ ## name },
909		1077
910	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1078	/* you have to re-run ./gendef0 after adding/removing any constants here */
911		1079	/* the first block can be undef if missing */
912	const_iv (ENOSYS)	1080	const_iv (ENOSYS)
913	const_iv (EXDEV)	1081	const_iv (EXDEV)
914	const_iv (EBADR)	1082	const_iv (EBADR)
		1083
		1084	/* for lseek */
		1085	const_iv (SEEK_DATA)
		1086	const_iv (SEEK_HOLE)
		1087
		1088	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1089	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1090	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1091	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1092	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1093	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1094
		1095	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1096	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1097	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1098	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1099	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1100
		1101	/* the second block will be 0 when missing */
		1102	const_iv (O_ACCMODE)
915		1103
916	const_iv (O_RDONLY)	1104	const_iv (O_RDONLY)
917	const_iv (O_WRONLY)	1105	const_iv (O_WRONLY)
918	const_iv (O_RDWR)	1106	const_iv (O_RDWR)
919	const_iv (O_CREAT)	1107	const_iv (O_CREAT)
…		…
933	const_iv (O_SEARCH)	1121	const_iv (O_SEARCH)
934	const_iv (O_DIRECTORY)	1122	const_iv (O_DIRECTORY)
935	const_iv (O_DSYNC)	1123	const_iv (O_DSYNC)
936	const_iv (O_RSYNC)	1124	const_iv (O_RSYNC)
937	const_iv (O_SYNC)	1125	const_iv (O_SYNC)
		1126	const_iv (O_PATH)
		1127	const_iv (O_TMPFILE)
938	const_iv (O_TTY_INIT)	1128	const_iv (O_TTY_INIT)
939		1129
940	const_iv (S_IFIFO)	1130	const_iv (S_IFIFO)
941	const_iv (S_IFCHR)	1131	const_iv (S_IFCHR)
942	const_iv (S_IFBLK)	1132	const_iv (S_IFBLK)
…		…
944	const_iv (S_IFREG)	1134	const_iv (S_IFREG)
945	const_iv (S_IFDIR)	1135	const_iv (S_IFDIR)
946	const_iv (S_IFWHT)	1136	const_iv (S_IFWHT)
947	const_iv (S_IFSOCK)	1137	const_iv (S_IFSOCK)
948	const_iv (S_IFMT)	1138	const_iv (S_IFMT)
949
950	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
951	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
952	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
953	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
954	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
955	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
956
957	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
958	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
959	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
960	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
961	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
962		1139
963	const_iv (ST_RDONLY)	1140	const_iv (ST_RDONLY)
964	const_iv (ST_NOSUID)	1141	const_iv (ST_NOSUID)
965	const_iv (ST_NODEV)	1142	const_iv (ST_NODEV)
966	const_iv (ST_NOEXEC)	1143	const_iv (ST_NOEXEC)
…		…
976	const_iv (PROT_NONE)	1153	const_iv (PROT_NONE)
977	const_iv (PROT_EXEC)	1154	const_iv (PROT_EXEC)
978	const_iv (PROT_READ)	1155	const_iv (PROT_READ)
979	const_iv (PROT_WRITE)	1156	const_iv (PROT_WRITE)
980		1157
981	/const_iv (MAP_FIXED)/
982	const_iv (MAP_PRIVATE)	1158	const_iv (MAP_PRIVATE)
983	const_iv (MAP_SHARED)	1159	const_iv (MAP_SHARED)
		1160	const_iv (MAP_FIXED)
984	const_iv (MAP_ANONYMOUS)	1161	const_iv (MAP_ANONYMOUS)
985		1162
986	/* linuxish */	1163	/* linuxish */
987	const_iv (MAP_HUGETLB)
988	const_iv (MAP_LOCKED)	1164	const_iv (MAP_LOCKED)
989	const_iv (MAP_NORESERVE)	1165	const_iv (MAP_NORESERVE)
990	const_iv (MAP_POPULATE)	1166	const_iv (MAP_POPULATE)
991	const_iv (MAP_NONBLOCK)	1167	const_iv (MAP_NONBLOCK)
		1168	const_iv (MAP_GROWSDOWN)
		1169	const_iv (MAP_32BIT)
		1170	const_iv (MAP_HUGETLB)
		1171	const_iv (MAP_STACK)
		1172
		1173	const_iv (MREMAP_MAYMOVE)
		1174	const_iv (MREMAP_FIXED)
		1175
		1176	const_iv (F_DUPFD_CLOEXEC)
		1177
		1178	const_iv (MSG_CMSG_CLOEXEC)
		1179	const_iv (SOCK_CLOEXEC)
		1180
		1181	const_iv (F_OFD_GETLK)
		1182	const_iv (F_OFD_SETLK)
		1183	const_iv (F_OFD_GETLKW)
		1184
		1185	const_iv (FIFREEZE)
		1186	const_iv (FITHAW)
		1187	const_iv (FITRIM)
		1188	const_iv (FICLONE)
		1189	const_iv (FICLONERANGE)
		1190	const_iv (FIDEDUPERANGE)
		1191
		1192	const_iv (FS_IOC_GETFLAGS)
		1193	const_iv (FS_IOC_SETFLAGS)
		1194	const_iv (FS_IOC_GETVERSION)
		1195	const_iv (FS_IOC_SETVERSION)
		1196	const_iv (FS_IOC_FIEMAP)
		1197	const_iv (FS_IOC_FSGETXATTR)
		1198	const_iv (FS_IOC_FSSETXATTR)
		1199	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1200	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1201	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1202
		1203	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1204
		1205	const_iv (FS_SECRM_FL)
		1206	const_iv (FS_UNRM_FL)
		1207	const_iv (FS_COMPR_FL)
		1208	const_iv (FS_SYNC_FL)
		1209	const_iv (FS_IMMUTABLE_FL)
		1210	const_iv (FS_APPEND_FL)
		1211	const_iv (FS_NODUMP_FL)
		1212	const_iv (FS_NOATIME_FL)
		1213	const_iv (FS_DIRTY_FL)
		1214	const_iv (FS_COMPRBLK_FL)
		1215	const_iv (FS_NOCOMP_FL)
		1216	const_iv (FS_ENCRYPT_FL)
		1217	const_iv (FS_BTREE_FL)
		1218	const_iv (FS_INDEX_FL)
		1219	const_iv (FS_JOURNAL_DATA_FL)
		1220	const_iv (FS_NOTAIL_FL)
		1221	const_iv (FS_DIRSYNC_FL)
		1222	const_iv (FS_TOPDIR_FL)
		1223	const_iv (FS_FL_USER_MODIFIABLE)
		1224
		1225	const_iv (FS_XFLAG_REALTIME)
		1226	const_iv (FS_XFLAG_PREALLOC)
		1227	const_iv (FS_XFLAG_IMMUTABLE)
		1228	const_iv (FS_XFLAG_APPEND)
		1229	const_iv (FS_XFLAG_SYNC)
		1230	const_iv (FS_XFLAG_NOATIME)
		1231	const_iv (FS_XFLAG_NODUMP)
		1232	const_iv (FS_XFLAG_RTINHERIT)
		1233	const_iv (FS_XFLAG_PROJINHERIT)
		1234	const_iv (FS_XFLAG_NOSYMLINKS)
		1235	const_iv (FS_XFLAG_EXTSIZE)
		1236	const_iv (FS_XFLAG_EXTSZINHERIT)
		1237	const_iv (FS_XFLAG_NODEFRAG)
		1238	const_iv (FS_XFLAG_FILESTREAM)
		1239	const_iv (FS_XFLAG_DAX)
		1240	const_iv (FS_XFLAG_HASATTR)
992		1241
993	const_iv (FIEMAP_FLAG_SYNC)	1242	const_iv (FIEMAP_FLAG_SYNC)
994	const_iv (FIEMAP_FLAG_XATTR)	1243	const_iv (FIEMAP_FLAG_XATTR)
995	const_iv (FIEMAP_FLAGS_COMPAT)	1244	const_iv (FIEMAP_FLAGS_COMPAT)
996	const_iv (FIEMAP_EXTENT_LAST)	1245	const_iv (FIEMAP_EXTENT_LAST)
…		…
1008	const_iv (SPLICE_F_MOVE)	1257	const_iv (SPLICE_F_MOVE)
1009	const_iv (SPLICE_F_NONBLOCK)	1258	const_iv (SPLICE_F_NONBLOCK)
1010	const_iv (SPLICE_F_MORE)	1259	const_iv (SPLICE_F_MORE)
1011	const_iv (SPLICE_F_GIFT)	1260	const_iv (SPLICE_F_GIFT)
1012		1261
1013	const_iv (SEEK_DATA)	1262	const_iv (EFD_CLOEXEC)
		1263	const_iv (EFD_NONBLOCK)
1014	const_iv (SEEK_HOLE)	1264	const_iv (EFD_SEMAPHORE)
1015		1265
1016	/* libeio constants */	1266	const_iv (CLOCK_REALTIME)
		1267	const_iv (CLOCK_MONOTONIC)
		1268	const_iv (CLOCK_BOOTTIME)
		1269	const_iv (CLOCK_REALTIME_ALARM)
		1270	const_iv (CLOCK_BOOTTIME_ALARM)
		1271
		1272	const_iv (TFD_NONBLOCK)
		1273	const_iv (TFD_CLOEXEC)
		1274
		1275	const_iv (TFD_TIMER_ABSTIME)
		1276	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1277
		1278	/* these are libeio constants, and are independent of gendef0 */
1017	const_eio (SEEK_SET)	1279	const_eio (SEEK_SET)
1018	const_eio (SEEK_CUR)	1280	const_eio (SEEK_CUR)
1019	const_eio (SEEK_END)	1281	const_eio (SEEK_END)
1020		1282
1021	const_eio (MCL_FUTURE)	1283	const_eio (MCL_FUTURE)
1022	const_eio (MCL_CURRENT)	1284	const_eio (MCL_CURRENT)
		1285	const_eio (MCL_ONFAULT)
1023		1286
1024	const_eio (MS_ASYNC)	1287	const_eio (MS_ASYNC)
1025	const_eio (MS_INVALIDATE)	1288	const_eio (MS_INVALIDATE)
1026	const_eio (MS_SYNC)	1289	const_eio (MS_SYNC)
1027		1290
…		…
1033		1296
1034	const_eio (FALLOC_FL_KEEP_SIZE)	1297	const_eio (FALLOC_FL_KEEP_SIZE)
1035	const_eio (FALLOC_FL_PUNCH_HOLE)	1298	const_eio (FALLOC_FL_PUNCH_HOLE)
1036	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1299	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1037	const_eio (FALLOC_FL_ZERO_RANGE)	1300	const_eio (FALLOC_FL_ZERO_RANGE)
		1301	const_eio (FALLOC_FL_INSERT_RANGE)
		1302	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1303
		1304	const_eio (RENAME_NOREPLACE)
		1305	const_eio (RENAME_EXCHANGE)
		1306	const_eio (RENAME_WHITEOUT)
1038		1307
1039	const_eio (READDIR_DENTS)	1308	const_eio (READDIR_DENTS)
1040	const_eio (READDIR_DIRS_FIRST)	1309	const_eio (READDIR_DIRS_FIRST)
1041	const_eio (READDIR_STAT_ORDER)	1310	const_eio (READDIR_STAT_ORDER)
1042	const_eio (READDIR_FOUND_UNKNOWN)	1311	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1060	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1329	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1061	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1330	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1062		1331
1063	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1332	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1064		1333
		1334	/* allocate dummy pipe fd for aio_close */
		1335	{
		1336	int pipefd [2];
		1337
		1338	if (
		1339	#ifdef _WIN32
		1340	_pipe (pipefd, 1, _O_BINARY) < 0
		1341	#else
		1342	pipe (pipefd) < 0
		1343	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1344	#endif
		1345	\|\| close (pipefd [1]) < 0
		1346	)
		1347	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1348
		1349	close_fd = pipefd [0];
		1350	}
		1351
1065	reinit ();	1352	reinit ();
1066	}	1353	}
1067		1354
1068	void	1355	void
1069	reinit ()	1356	reinit ()
…		…
1191		1478
1192	void	1479	void
1193	aio_close (SV fh, SV callback = &PL_sv_undef)	1480	aio_close (SV fh, SV callback = &PL_sv_undef)
1194	PPCODE:	1481	PPCODE:
1195	{	1482	{
1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1197	int fd = s_fileno_croak (fh, 0);	1483	int fd = s_fileno_croak (fh, 0);
1198	dREQ;	1484	dREQ;
		1485	#if 0
		1486	/* partially duplicate logic in s_fileno */
		1487	SvGETMAGIC (fh);
1199		1488
1200	if (expect_false (close_fd < 0))	1489	if (SvROK (fh))
		1490	{
		1491	fh = SvRV (fh);
		1492	SvGETMAGIC (fh);
		1493	}
		1494
		1495	if (SvTYPE (fh) == SVt_PVGV)
1201	{	1496	{
1202	int pipefd [2];	1497	/* perl filehandle */
		1498	PerlIOUnix_refcnt_inc (fd);
		1499	do_close ((GV *)fh, 1);
1203		1500
1204	if (	1501	req->type = EIO_CLOSE;
1205	#ifdef _WIN32	1502	req->int1 = fd;
1206	_pipe (pipefd, 1, _O_BINARY) < 0	1503	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1207	#else
1208	pipe (pipefd) < 0
1209	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1210	#endif
1211	\|\| close (pipefd [1]) < 0
1212	)
1213	abort (); /D/
1214
1215	close_fd = pipefd [0];
1216	}	1504	}
1217		1505	else
		1506	#endif
		1507	{
		1508	/* fd number */
1218	req->type = EIO_DUP2;	1509	req->type = EIO_DUP2;
1219	req->int1 = close_fd;	1510	req->int1 = close_fd;
1220	req->sv2 = newSVsv (fh);	1511	req->sv2 = newSVsv (fh);
1221	req->int2 = fd;	1512	req->int2 = fd;
		1513	}
1222		1514
1223	REQ_SEND;	1515	REQ_SEND;
1224	}	1516	}
1225		1517
1226	void	1518	void
…		…
1293	REQ_SEND;	1585	REQ_SEND;
1294	}	1586	}
1295	}	1587	}
1296		1588
1297	void	1589	void
		1590	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1591	ALIAS:
		1592	aio_ioctl = EIO_IOCTL
		1593	aio_fcntl = EIO_FCNTL
		1594	PPCODE:
		1595	{
		1596	int fd = s_fileno_croak (fh, 0);
		1597	char *svptr;
		1598
		1599	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1600	{
		1601	STRLEN svlen;
		1602	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1603	#ifdef IOCPARM_LEN
		1604	STRLEN need = IOCPARM_LEN (request);
		1605	#else
		1606	STRLEN need = 256;
		1607	#endif
		1608
		1609	if (svlen < need)
		1610	svptr = SvGROW (arg, need);
		1611	}
		1612	else
		1613	svptr = (char *)SvIV (arg);
		1614
		1615	{
		1616	dREQ;
		1617
		1618	req->type = ix;
		1619	req->sv1 = newSVsv (fh);
		1620	req->int1 = fd;
		1621	req->int2 = (long)request;
		1622	req->sv2 = SvREFCNT_inc (arg);
		1623	req->ptr2 = svptr;
		1624
		1625	REQ_SEND;
		1626	}
		1627	}
		1628
		1629	void
1298	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1630	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1299	ALIAS:	1631	ALIAS:
1300	aio_readlink = EIO_READLINK	1632	aio_readlink = EIO_READLINK
1301	aio_realpath = EIO_REALPATH	1633	aio_realpath = EIO_REALPATH
1302	PPCODE:	1634	PPCODE:
…		…
1357	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1689	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1358		1690
1359	REQ_SEND;	1691	REQ_SEND;
1360	}	1692	}
1361		1693
		1694	void
		1695	st_xtime ()
		1696	ALIAS:
		1697	st_atime = 0x01
		1698	st_mtime = 0x02
		1699	st_ctime = 0x04
		1700	st_btime = 0x08
		1701	st_xtime = 0x0f
		1702	PPCODE:
		1703	EXTEND (SP, 4);
		1704	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1705	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1706	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1707	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1708
		1709	void
		1710	st_xtimensec ()
		1711	ALIAS:
		1712	st_atimensec = 0x01
		1713	st_mtimensec = 0x02
		1714	st_ctimensec = 0x04
		1715	st_btimensec = 0x08
		1716	st_xtimensec = 0x0f
		1717	st_btimesec = 0x10
		1718	st_gen = 0x20
		1719	PPCODE:
		1720	EXTEND (SP, 4);
		1721	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1722	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1723	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1724	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1725	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1726	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1727
1362	UV	1728	UV
1363	major (UV dev)	1729	major (UV dev)
1364	ALIAS:	1730	ALIAS:
1365	minor = 1	1731	minor = 1
1366	CODE:	1732	CODE:
1367	RETVAL = ix ? major (dev) : minor (dev);	1733	RETVAL = ix ? minor (dev) : major (dev);
1368	OUTPUT:	1734	OUTPUT:
1369	RETVAL	1735	RETVAL
1370		1736
1371	UV	1737	UV
1372	makedev (UV maj, UV min)	1738	makedev (UV maj, UV min)
…		…
1489		1855
1490	REQ_SEND;	1856	REQ_SEND;
1491	}	1857	}
1492		1858
1493	void	1859	void
		1860	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1861	PPCODE:
		1862	{
		1863	eio_wd wd2 = 0;
		1864	dREQ;
		1865
		1866	req->type = EIO_RENAME;
		1867	req_set_path1 (req, oldpath);
		1868	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1869	req->int2 = flags;
		1870	req->int3 = (long)wd2;
		1871
		1872	REQ_SEND;
		1873	}
		1874
		1875	void
1494	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1876	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1495	PPCODE:	1877	PPCODE:
1496	{	1878	{
1497	dREQ;	1879	dREQ;
1498		1880
…		…
1503		1885
1504	REQ_SEND;	1886	REQ_SEND;
1505	}	1887	}
1506		1888
1507	void	1889	void
1508	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1890	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1509	ALIAS:	1891	ALIAS:
1510	aio_mtouch = EIO_MTOUCH	1892	aio_mtouch = EIO_MTOUCH
1511	aio_msync = EIO_MSYNC	1893	aio_msync = EIO_MSYNC
1512	PPCODE:	1894	PPCODE:
1513	{	1895	{
1514	STRLEN svlen;	1896	STRLEN svlen;
1515	char *svptr = SvPVbyte (data, svlen);	1897	char *svptr = SvPVbyte (data, svlen);
1516	UV len = SvUV (length);	1898	UV len = SvUV (length);
		1899
		1900	if (flags < 0)
		1901	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1517		1902
1518	if (offset < 0)	1903	if (offset < 0)
1519	offset += svlen;	1904	offset += svlen;
1520		1905
1521	if (offset < 0 \|\| offset > svlen)	1906	if (offset < 0 \|\| offset > svlen)
…		…
1597	req->int2 = flags;	1982	req->int2 = flags;
1598	req->int3 = SvOK (count) ? SvIV (count) : -1;	1983	req->int3 = SvOK (count) ? SvIV (count) : -1;
1599	#endif	1984	#endif
1600		1985
1601	REQ_SEND;	1986	REQ_SEND;
		1987	}
		1988
		1989	void
		1990	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1991	PPCODE:
		1992	{
		1993	char *svptr = 0;
		1994
		1995	sv_clear_foreign (data);
		1996
		1997	if (length) /* known length, directly read into scalar */
		1998	{
		1999	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		2000	svptr = sv_grow (data, length + 1);
		2001	else if (SvCUR (data) < length)
		2002	croak ("length outside of scalar, and cannot grow");
		2003	else
		2004	svptr = SvPVbyte_nolen (data);
		2005	}
		2006
		2007	{
		2008	dREQ;
		2009
		2010	req->type = EIO_SLURP;
		2011	req_set_path1 (req, pathname);
		2012	req->offs = offset;
		2013	req->size = length;
		2014	req->sv2 = SvREFCNT_inc (data);
		2015	req->ptr2 = svptr;
		2016
		2017	if (!SvREADONLY (data))
		2018	{
		2019	SvREADONLY_on (data);
		2020	req->flags \|= FLAG_SV2_RO_OFF;
		2021	}
		2022
		2023	REQ_SEND;
		2024	}
1602	}	2025	}
1603		2026
1604	void	2027	void
1605	aio_busy (double delay, SV *callback = &PL_sv_undef)	2028	aio_busy (double delay, SV *callback = &PL_sv_undef)
1606	PPCODE:	2029	PPCODE:
…		…
1743	RETVAL	2166	RETVAL
1744		2167
1745	void	2168	void
1746	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2169	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1747	PPCODE:	2170	PPCODE:
1748	sv_unmagic (scalar, MMAP_MAGIC);	2171	sv_clear_foreign (scalar);
1749	{	2172	{
1750	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2173	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1751	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2174	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1752	if (addr == (void *)-1)	2175	if (addr == (void *)-1)
1753	XSRETURN_NO;	2176	XSRETURN_NO;
1754		2177
1755	sv_force_normal (scalar);	2178	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		2179
1763	if (!(prot & PROT_WRITE))	2180	if (!(prot & PROT_WRITE))
1764	SvREADONLY_on (scalar);	2181	SvREADONLY_on (scalar);
1765		2182
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;	2183	XSRETURN_YES;
1775	}	2184	}
1776		2185
1777	void	2186	void
1778	munmap (SV *scalar)	2187	munmap (SV *scalar)
1779	CODE:	2188	CODE:
1780	sv_unmagic (scalar, MMAP_MAGIC);	2189	sv_clear_foreign (scalar);
		2190
		2191	SV *
		2192	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2193	CODE:
		2194	{
		2195	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2196	void *new;
		2197
		2198	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2199	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2200
		2201	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2202
		2203	RETVAL = &PL_sv_no;
		2204
		2205	if (new != (void *)-1)
		2206	{
		2207	RETVAL = new == (void *)mg->mg_ptr
		2208	? newSVpvn ("0 but true", 10)
		2209	: &PL_sv_yes;
		2210
		2211	mg->mg_ptr = (char *)new;
		2212	mg->mg_obj = (SV *)new_length;
		2213
		2214	SvPVX (scalar) = mg->mg_ptr;
		2215	SvCUR_set (scalar, new_length);
		2216	}
		2217	}
		2218	OUTPUT:
		2219	RETVAL
1781		2220
1782	int	2221	int
1783	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2222	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1784	ALIAS:	2223	ALIAS:
1785	mprotect = 1	2224	mprotect = 1
1786	CODE:	2225	CODE:
1787	{	2226	{
1788	STRLEN svlen;	2227	STRLEN svlen;
…		…
1809	}	2248	}
1810	OUTPUT:	2249	OUTPUT:
1811	RETVAL	2250	RETVAL
1812		2251
1813	int	2252	int
1814	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2253	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1815	CODE:	2254	CODE:
1816	{	2255	{
1817	STRLEN svlen;	2256	STRLEN svlen;
1818	void *addr = SvPVbyte (scalar, svlen);	2257	void *addr = SvPVbyte (scalar, svlen);
1819	size_t len = SvUV (length);	2258	size_t len = SvUV (length);
…		…
1834	#else	2273	#else
1835	RETVAL = EIO_ENOSYS ();	2274	RETVAL = EIO_ENOSYS ();
1836	#endif	2275	#endif
1837	}	2276	}
1838	OUTPUT:	2277	OUTPUT:
		2278	RETVAL
		2279
		2280	int
		2281	mlockall (int flags)
		2282	PROTOTYPE: $;
		2283	CODE:
		2284	RETVAL = eio_mlockall_sync (flags);
		2285	OUTPUT:
1839	RETVAL	2286	RETVAL
1840		2287
1841	int	2288	int
1842	munlockall ()	2289	munlockall ()
1843	CODE:	2290	CODE:
…		…
1915	{	2362	{
1916	EXTEND (SP, 2);	2363	EXTEND (SP, 2);
1917	PUSHs (newmortalFH (fd[0], O_RDONLY));	2364	PUSHs (newmortalFH (fd[0], O_RDONLY));
1918	PUSHs (newmortalFH (fd[1], O_WRONLY));	2365	PUSHs (newmortalFH (fd[1], O_WRONLY));
1919	}	2366	}
		2367	}
		2368
		2369	void
		2370	eventfd (unsigned int initval = 0, int flags = 0)
		2371	PPCODE:
		2372	{
		2373	int fd;
		2374	#if HAVE_EVENTFD
		2375	fd = eventfd (initval, flags);
		2376	#else
		2377	fd = (errno = ENOSYS, -1);
		2378	#endif
		2379
		2380	XPUSHs (newmortalFH (fd, O_RDWR));
		2381	}
		2382
		2383	void
		2384	timerfd_create (int clockid, int flags = 0)
		2385	PPCODE:
		2386	{
		2387	int fd;
		2388	#if HAVE_TIMERFD
		2389	fd = timerfd_create (clockid, flags);
		2390	#else
		2391	fd = (errno = ENOSYS, -1);
		2392	#endif
		2393
		2394	XPUSHs (newmortalFH (fd, O_RDWR));
		2395	}
		2396
		2397	void
		2398	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2399	PPCODE:
		2400	{
		2401	int fd = s_fileno_croak (fh, 0);
		2402	#if HAVE_TIMERFD
		2403	int res;
		2404	struct itimerspec its, ots;
		2405
		2406	ts_set (&its.it_interval, interval);
		2407	ts_set (&its.it_value , value);
		2408	res = timerfd_settime (fd, flags, &its, &ots);
		2409
		2410	if (!res)
		2411	{
		2412	EXTEND (SP, 2);
		2413	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2414	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2415	}
		2416	#else
		2417	errno = ENOSYS;
		2418	#endif
		2419	}
		2420
		2421	void
		2422	timerfd_gettime (SV *fh)
		2423	PPCODE:
		2424	{
		2425	int fd = s_fileno_croak (fh, 0);
		2426	#if HAVE_TIMERFD
		2427	int res;
		2428	struct itimerspec ots;
		2429	res = timerfd_gettime (fd, &ots);
		2430
		2431	if (!res)
		2432	{
		2433	EXTEND (SP, 2);
		2434	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2435	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2436	}
		2437	#else
		2438	errno = ENOSYS;
		2439	#endif
		2440	}
		2441
		2442	UV
		2443	get_fdlimit ()
		2444	CODE:
		2445	#if HAVE_RLIMITS
		2446	struct rlimit rl;
		2447	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2448	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2449	#endif
		2450	XSRETURN_UNDEF;
		2451	OUTPUT:
		2452	RETVAL
		2453
		2454	void
		2455	min_fdlimit (UV limit = 0x7fffffffU)
		2456	CODE:
		2457	{
		2458	#if HAVE_RLIMITS
		2459	struct rlimit rl;
		2460	rlim_t orig_rlim_max;
		2461	UV bit;
		2462
		2463	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2464	goto fail;
		2465
		2466	if (rl.rlim_cur == RLIM_INFINITY)
		2467	XSRETURN_YES;
		2468
		2469	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2470
		2471	if (rl.rlim_cur < limit)
		2472	{
		2473	rl.rlim_cur = limit;
		2474
		2475	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2476	rl.rlim_max = rl.rlim_cur;
		2477	}
		2478
		2479	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2480	XSRETURN_YES;
		2481
		2482	if (errno == EPERM)
		2483	{
		2484	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2485	/* our limit overflows a system-wide limit */
		2486	/* try an adaptive algorithm, but do not lower the hardlimit */
		2487	rl.rlim_max = 0;
		2488	for (bit = 0x40000000U; bit; bit >>= 1)
		2489	{
		2490	rl.rlim_max \|= bit;
		2491	rl.rlim_cur = rl.rlim_max;
		2492
		2493	/* nevr decrease the hard limit */
		2494	if (rl.rlim_max < orig_rlim_max)
		2495	break;
		2496
		2497	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2498	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2499	}
		2500
		2501	/* now, raise the soft limit to the max permitted */
		2502	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2503	{
		2504	rl.rlim_cur = rl.rlim_max;
		2505	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2506	errno = EPERM;
		2507	}
		2508	}
		2509	#endif
		2510	fail:
		2511	XSRETURN_UNDEF;
1920	}	2512	}
1921		2513
1922	void _on_next_submit (SV *cb)	2514	void _on_next_submit (SV *cb)
1923	CODE:	2515	CODE:
1924	SvREFCNT_dec (on_next_submit);	2516	SvREFCNT_dec (on_next_submit);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC vs. Revision 1.273 by root, Mon Mar 4 10:28:38 2019 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC vs.
Revision 1.273 by root, Mon Mar 4 10:28:38 2019 UTC