sigsetmask(2) System Calls Manual sigsetmask(2) Name sigsetmask - set current signal mask Syntax sigsetmask(mask) int mask; Description The system call sets the current signal mask (those signals that are blocked from delivery). Signal i is blocked if the ith bit in mask is a 1. The system quietly disallows SIGKILL or SIGSTOP to be blocked. The previous set of masked signals is returned. See Also kill(2), sigblock(2), sigpause(2), sigvec(2) sigsetmask(2)