glibc/sysdeps/unix/sysv/linux/getitimer.c

62 lines
1.9 KiB
C

/* getitimer -- Get the state of an interval timer. Linux/32 version.
Copyright (C) 2020-2023 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 <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sysdep.h>
#include <tv32-compat.h>
int
__getitimer64 (__itimer_which_t which, struct __itimerval64 *curr_value)
{
#if __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64
return INLINE_SYSCALL_CALL (getitimer, which, curr_value);
#else
struct __itimerval32 curr_value_32;
if (INLINE_SYSCALL_CALL (getitimer, which, &curr_value_32) == -1)
return -1;
curr_value->it_interval
= valid_timeval32_to_timeval64 (curr_value_32.it_interval);
curr_value->it_value
= valid_timeval32_to_timeval64 (curr_value_32.it_value);
return 0;
#endif
}
#if __TIMESIZE != 64
libc_hidden_def (__getitimer64)
int
__getitimer (__itimer_which_t which, struct itimerval *curr_value)
{
struct __itimerval64 val64;
if (__getitimer64 (which, &val64) != 0)
return -1;
curr_value->it_interval
= valid_timeval64_to_timeval (val64.it_interval);
curr_value->it_value
= valid_timeval64_to_timeval (val64.it_value);
return 0;
}
#endif
weak_alias (__getitimer, getitimer)