Lines Matching refs:signal
45 #include <signal.h>
96 if ((savsignal = signal(SIGTSTP, SIG_IGN)) == SIG_DFL)
97 (void) signal(SIGTSTP, _tstp);
99 (void) signal(SIGTSTP, savsignal);
102 if ((savsignal = signal(SIGINT, SIG_IGN)) == SIG_DFL)
103 (void) signal(SIGINT, _ccleanup);
105 (void) signal(SIGINT, savsignal);
108 if ((savsignal = signal(SIGQUIT, SIG_IGN)) == SIG_DFL)
109 (void) signal(SIGQUIT, _ccleanup);
111 (void) signal(SIGQUIT, savsignal);