Hello,
It's necessary for me to change the priority of my application's process from
the code.
I try to use the nice() function to set the priority and priocntl() to read the
current process' priority, but I get priority=0 before the nice() and
priority=19 after the nice() without respect to the argument I pass to nice().
What do I do wrong?
int GetPriority(void)
{
pcnice_t niceSet;
int rc;
niceSet.pc_op = PC_GETNICE;
if(-1 == priocntl(P_PID, getpid(), PC_DONICE, &niceSet))
rc = -1;
else
rc = niceSet.pc_val;
return rc;
}
int main()
{
int newPriority, currentPriority;
newPriority = 27;
currentPriority = GetPriority();
printf("default priority = %d\n", currentPriority);
nice(newPriority);
currentPriority = GetPriority();
printf("new priority = %d\n", currentPriority);
return 0;
}
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