Lines Matching refs:signal

54 static	SIGTYPE	(*oldsigquit)();	/* old value of quit signal */
55 static	SIGTYPE	(*oldsigtstp)();	/* old value of terminal stop signal */
116 	oldsigtstp = signal(SIGTSTP, SIG_DFL);
120 		oldsigquit = signal(SIGQUIT, SIG_IGN);
124 		(void) signal(SIGINT, SIG_DFL);
125 		(void) signal(SIGQUIT, SIG_DFL);
126 		(void) signal(SIGHUP, SIG_DFL);	/* restore hangup default */
149 	/* restore signal handling */
150 	(void) signal(SIGQUIT, oldsigquit);
151 	(void) signal(SIGTSTP, oldsigtstp);