1 /* getitimer -- Get the state of an interval timer. Linux/Alpha/tv32 version.
2 Copyright (C) 2019-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19 #include <shlib-compat.h>
20
21 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
22
23 #include <time.h>
24 #include <sys/time.h>
25 #include <tv32-compat.h>
26
27 int
28 attribute_compat_text_section
__setitimer_tv32(int which,const struct __itimerval32 * restrict new_value,struct __itimerval32 * restrict old_value)29 __setitimer_tv32 (int which, const struct __itimerval32 *restrict new_value,
30 struct __itimerval32 *restrict old_value)
31 {
32 struct itimerval new_value_64;
33 new_value_64.it_interval
34 = valid_timeval32_to_timeval (new_value->it_interval);
35 new_value_64.it_value
36 = valid_timeval32_to_timeval (new_value->it_value);
37
38 if (old_value == NULL)
39 return __setitimer (which, &new_value_64, NULL);
40
41 struct itimerval old_value_64;
42 if (__setitimer (which, &new_value_64, &old_value_64) == -1)
43 return -1;
44
45 /* Write all fields of 'old_value' regardless of overflow. */
46 old_value->it_interval
47 = valid_timeval_to_timeval32 (old_value_64.it_interval);
48 old_value->it_value
49 = valid_timeval_to_timeval32 (old_value_64.it_value);
50 return 0;
51 }
52
53 compat_symbol (libc, __setitimer_tv32, setitimer, GLIBC_2_0);
54 #endif
55