From 74033a2507841cf077e31221de2481ff30b43d51 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 24 Dec 2011 00:40:15 -0500 Subject: Implement timespec_get --- sysdeps/unix/sysv/linux/timespec_get.c | 57 +++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/x86_64/timespec_get.c | 10 +++++ 2 files changed, 67 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/timespec_get.c create mode 100644 sysdeps/unix/sysv/linux/x86_64/timespec_get.c (limited to 'sysdeps/unix') diff --git a/sysdeps/unix/sysv/linux/timespec_get.c b/sysdeps/unix/sysv/linux/timespec_get.c new file mode 100644 index 0000000000..5d5bc3ea62 --- /dev/null +++ b/sysdeps/unix/sysv/linux/timespec_get.c @@ -0,0 +1,57 @@ +/* Copyright (C) 2011 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include + +#ifndef HAVE_CLOCK_GETTIME_VSYSCALL +# undef INTERNAL_VSYSCALL +# define INTERNAL_VSYSCALL INTERNAL_SYSCALL +#else +# include +#endif + +#ifndef INTERNAL_GETTIME +# define INTERNAL_GETTIME(id, tp) \ + INTERNAL_VSYSCALL (clock_gettime, err, 2, id, tp) +#endif + + +/* Set TS to calendar time based in time base BASE. */ +int +timespec_get (ts, base) + struct timespec *ts; + int base; +{ + switch (base) + { + int res; + INTERNAL_SYSCALL_DECL (err); + case TIME_UTC: + res = INTERNAL_GETTIME (CLOCK_REALTIME, ts); + if (INTERNAL_SYSCALL_ERROR_P (res, err)) + return 0; + break; + + default: + return 0; + } + + return base; +} diff --git a/sysdeps/unix/sysv/linux/x86_64/timespec_get.c b/sysdeps/unix/sysv/linux/x86_64/timespec_get.c new file mode 100644 index 0000000000..cb26068147 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/timespec_get.c @@ -0,0 +1,10 @@ +#include "bits/libc-vdso.h" + +#ifdef SHARED +# define INTERNAL_GETTIME(id, tp) \ + ({ long int (*f) (clockid_t, struct timespec *) = __vdso_clock_gettime; \ + PTR_DEMANGLE (f); \ + f (id, tp); }) +#endif + +#include "../timespec_get.c" -- cgit 1.4.1