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/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sched.h>
#include <sys/types.h>
namespace {
constexpr int kRealTimeFifoSchedulingPriority = 1;
} // namespace
bool thread_scheduler_enable_real_time(pid_t linux_tid) {
struct sched_param rt_params = {.sched_priority =
kRealTimeFifoSchedulingPriority};
return sched_setscheduler(linux_tid, SCHED_FIFO, &rt_params) == 0;
}
bool thread_scheduler_get_priority_range(int& min, int& max) {
min = sched_get_priority_min(SCHED_FIFO);
max = sched_get_priority_max(SCHED_FIFO);
return (min != -1 && max != -1) ? true : false;
}
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