public ER chg_pri(ID tskid, PRI tskpri)
{
ER Result = ER.E_NOEXS;
Task Task;
if (g_Kernel == null)
return ER.E_DLT;
g_Kernel.LockCPU();
try {
Task = g_Kernel.Nucleus.GetTask(tskid);
if (Task == null)
Result = ER.E_NOEXS;
else
Result = Task.ChangePriority(tskpri);
}
finally {
g_Kernel.UnlockCPU();
}
return Result;
}
public ER rot_rdq(PRI tskpri)
{
ER result = ER.E_NOEXS;
Task task;
if (g_Kernel == null)
return ER.E_DLT;
g_Kernel.LockCPU();
try {
task = g_Kernel.Nucleus.GetTask(ID.TSK_SELF);
if (task == null)
result = ER.E_CTX;
else
result = task.RotateReadyQueue(tskpri);
}
finally {
g_Kernel.UnlockCPU();
}
return result;
}