glibc/sysdeps/mach/hurd/sched_sets.c

46 lines
1.3 KiB
C

/* Copyright (C) 1996-2023 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sched.h>
#include <sys/types.h>
#include <hurd.h>
/* Set scheduling algorithm and/or parameters for a process. */
int
__sched_setscheduler (pid_t pid, int policy, const struct sched_param *param)
{
switch (policy)
{
case SCHED_OTHER:
if (param->sched_priority != 0)
return __hurd_fail (EINVAL);
break;
case SCHED_FIFO:
case SCHED_RR:
return __hurd_fail (ENOTSUP);
default:
return EINVAL;
}
return 0;
}
libc_hidden_def (__sched_setscheduler)
weak_alias (__sched_setscheduler, sched_setscheduler)