Name
sys_rt_sigaction — 
     alter an action taken by a process
 
Synopsis
| long sys_rt_sigaction ( | int sig, | 
|  | const struct sigaction __user * act, | 
|  | struct sigaction __user * oact, | 
|  | size_t sigsetsize ); | 
 
Arguments
- sig
- 
     signal to be sent
     
- act
- 
     new sigaction
     
- oact
- 
     used to save the previous sigaction
     
- sigsetsize
- 
     size of sigset_t type