1*44091Sbostic /* 2*44091Sbostic * Test of tracebacks from signal handlers. 3*44091Sbostic */ 4*44091Sbostic 5*44091Sbostic #include <stdio.h> 6*44091Sbostic #include <signal.h> 7*44091Sbostic 8*44091Sbostic int catch(), secondcatch(); 9*44091Sbostic main()10*44091Sbosticmain() 11*44091Sbostic { 12*44091Sbostic signal(SIGQUIT, catch); 13*44091Sbostic kill(getpid(), SIGQUIT); 14*44091Sbostic printf("back in main\n"); 15*44091Sbostic } 16*44091Sbostic catch()17*44091Sbosticcatch() 18*44091Sbostic { 19*44091Sbostic printf("in catch\n"); 20*44091Sbostic sigsetmask(0); 21*44091Sbostic signal(SIGQUIT, secondcatch); 22*44091Sbostic kill(getpid(), SIGQUIT); 23*44091Sbostic printf("back in catch\n"); 24*44091Sbostic } 25*44091Sbostic secondcatch()26*44091Sbosticsecondcatch() 27*44091Sbostic { 28*44091Sbostic printf("in secondcatch\n"); 29*44091Sbostic } 30