Name
pid_alive —
check that a task structure is not stale
Synopsis
int pid_alive ( | const struct task_struct * p); |
Arguments
p
Task structure to be checked.
Description
Test if a process is not yet dead (at most zombie state)
If pid_alive fails, then pointers within the task structure
can be stale and must not be dereferenced.
Return
1 if the process is alive. 0 otherwise.