a5ffce32ae087b31a072c73737d8a97e2037e9e1
9 printf("pid=%d\n", getpid());
10 signal(SIGINT
, sigintP
);
20 signal(SIGINT
, SIG_IGN
);
21 signal(SIGALRM
, sigalrm
);
34 signal(SIGCHLD
, sigchld
);
36 signal(SIGINT
, sigintF
);
43 signal(SIGINT
, sigintP
);