/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)sigretro.h 5.1 (Berkeley) 6/6/85 */ /* * Define extra stuff not found in signal.h */ #ifndef SIGRETRO #define SIGRETRO /* Can use this for cond code */ #ifndef SIG_HOLD #define SIG_HOLD (int (*)()) 3 /* Phony action to hold sig */ #define BADSIG (int (*)()) -1 /* Return value on error */ #endif SIG_HOLD #endif SIGRETRO