| PID_ALIVE(9) | Driver Basics | PID_ALIVE(9) |
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.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |