centos man page for set_current_blocked

SET_CURRENT_BLOCKED(9)						   Driver Basics					    SET_CURRENT_BLOCKED(9)

NAME
       set_current_blocked - change current->blocked mask

SYNOPSIS
       void set_current_blocked(sigset_t * newset);

ARGUMENTS
       newset
	   new mask

DESCRIPTION
       It is wrong to change ->blocked directly, this helper should be used to ensure the process can't miss a shared signal we are going to
       block.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    SET_CURRENT_BLOCKED(9)