diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/clock_getres.c')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/clock_getres.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/clock_getres.c b/REORG.TODO/sysdeps/unix/sysv/linux/clock_getres.c new file mode 100644 index 0000000000..2b7bb65e55 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/clock_getres.c @@ -0,0 +1,51 @@ +/* clock_getres -- Get the resolution of a POSIX clockid_t. Linux version. + Copyright (C) 2003-2017 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, or (at your option) any later version. + + 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, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <errno.h> +#include <time.h> +#include "kernel-posix-cpu-timers.h" + +#ifdef HAVE_CLOCK_GETRES_VSYSCALL +# define HAVE_VSYSCALL +#endif +#include <sysdep-vdso.h> + +#define SYSCALL_GETRES \ + retval = INLINE_VSYSCALL (clock_getres, 2, clock_id, res); \ + break + +/* The REALTIME and MONOTONIC clock are definitely supported in the + kernel. */ +#define SYSDEP_GETRES \ + SYSDEP_GETRES_CPUTIME \ + case CLOCK_REALTIME: \ + case CLOCK_MONOTONIC: \ + case CLOCK_MONOTONIC_RAW: \ + case CLOCK_REALTIME_COARSE: \ + case CLOCK_MONOTONIC_COARSE: \ + SYSCALL_GETRES + +/* We handled the REALTIME clock here. */ +#define HANDLED_REALTIME 1 +#define HANDLED_CPUTIME 1 + +#define SYSDEP_GETRES_CPU SYSCALL_GETRES +#define SYSDEP_GETRES_CPUTIME /* Default catches them too. */ + +#include <sysdeps/posix/clock_getres.c> |