1/* Copyright (C) 1996-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <sched.h>
20#include <sys/types.h>
21#include <hurd.h>
22
23
24/* Set scheduling algorithm and/or parameters for a process. */
25int
26__sched_setscheduler (pid_t pid, int policy, const struct sched_param *param)
27{
28 switch (policy)
29 {
30 case SCHED_OTHER:
31 if (param->sched_priority != 0)
32 return __hurd_fail (EINVAL);
33 break;
34
35 case SCHED_FIFO:
36 case SCHED_RR:
37 return __hurd_fail (ENOTSUP);
38
39 default:
40 return EINVAL;
41 }
42 return 0;
43}
44libc_hidden_def (__sched_setscheduler)
45weak_alias (__sched_setscheduler, sched_setscheduler)
46

source code of glibc/sysdeps/mach/hurd/sched_sets.c