91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
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/* setitimer -- Set the state of an interval timer. Linux/32 version.
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Copyright (C) 2020-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <time.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sysdep.h>
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#include <tv32-compat.h>
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int
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__setitimer64 (__itimer_which_t which,
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const struct __itimerval64 *restrict new_value,
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struct __itimerval64 *restrict old_value)
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{
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#if __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64
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return INLINE_SYSCALL_CALL (setitimer, which, new_value, old_value);
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#else
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struct __itimerval32 new_value_32;
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if (! in_time_t_range (new_value->it_interval.tv_sec)
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|| ! in_time_t_range (new_value->it_value.tv_sec))
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{
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__set_errno (EOVERFLOW);
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return -1;
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}
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new_value_32.it_interval
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= valid_timeval64_to_timeval32 (new_value->it_interval);
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new_value_32.it_value
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= valid_timeval64_to_timeval32 (new_value->it_value);
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if (old_value == NULL)
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return INLINE_SYSCALL_CALL (setitimer, which, &new_value_32, NULL);
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struct __itimerval32 old_value_32;
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if (INLINE_SYSCALL_CALL (setitimer, which, &new_value_32, &old_value_32)
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== -1)
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return -1;
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old_value->it_interval
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= valid_timeval32_to_timeval64 (old_value_32.it_interval);
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old_value->it_value
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= valid_timeval32_to_timeval64 (old_value_32.it_value);
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return 0;
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#endif
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}
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#if __TIMESIZE != 64
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libc_hidden_def (__setitimer64)
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int
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__setitimer (__itimer_which_t which,
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const struct itimerval *restrict new_value,
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struct itimerval *restrict old_value)
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{
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int ret;
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struct __itimerval64 new64, old64;
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new64.it_interval
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= valid_timeval_to_timeval64 (new_value->it_interval);
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new64.it_value
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= valid_timeval_to_timeval64 (new_value->it_value);
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ret = __setitimer64 (which, &new64, old_value ? &old64 : NULL);
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if (ret == 0 && old_value != NULL)
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{
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old_value->it_interval
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= valid_timeval64_to_timeval (old64.it_interval);
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old_value->it_value
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= valid_timeval64_to_timeval (old64.it_value);
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}
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return ret;
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}
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#endif
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weak_alias (__setitimer, setitimer)
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