Name
is_global_init — 
     check if a task structure is init. Since init is free to have sub-threads we need to check tgid.
 
Synopsis
| int is_global_init ( | struct task_struct * tsk ); | 
 
Arguments
- tsk
- 
     Task structure to be checked.
     
Description
   Check if a task structure is the first user space task the kernel created.
Return
   1 if the task structure is init. 0 otherwise.