Files
allwpilib/hal/lib/Athena/Task.cpp
Tyler Veness e14e45da76 Add format script which invokes clang-format on the C++ source code (#41)
On Windows machines, clang-format.exe must be in the PATH environment variable.
2016-05-20 17:30:37 -07:00

60 lines
1.4 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2016. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#include "HAL/Task.hpp"
#ifndef OK
#define OK 0
#endif /* OK */
#ifndef ERROR
#define ERROR (-1)
#endif /* ERROR */
#include <signal.h>
extern "C" {
STATUS verifyTaskID(TASK task) {
if (task != nullptr && pthread_kill(*task, 0) == 0) {
return OK;
} else {
return ERROR;
}
}
STATUS setTaskPriority(TASK task, int priority) {
int policy = 0;
struct sched_param param;
if (verifyTaskID(task) == OK &&
pthread_getschedparam(*task, &policy, &param) == 0) {
param.sched_priority = priority;
if (pthread_setschedparam(*task, SCHED_FIFO, &param) == 0) {
return OK;
} else {
return ERROR;
}
} else {
return ERROR;
}
}
STATUS getTaskPriority(TASK task, int* priority) {
int policy = 0;
struct sched_param param;
if (verifyTaskID(task) == OK &&
pthread_getschedparam(*task, &policy, &param) == 0) {
*priority = param.sched_priority;
return OK;
} else {
return ERROR;
}
}
} // extern "C"