fn sys_sigprocmask(
how: i32,
set_ptr: u64,
oldset_ptr: u64,
) -> Result<u64, SyscallError>Expand description
SYS_SIGPROCMASK (321): Examine and change blocked signals.
arg1 = how (0=BLOCK, 1=UNBLOCK, 2=SETMASK), arg2 = set_ptr (new mask), arg3 = oldset_ptr (old mask out)