Sigsuspend function of the way? Int received_signal=0; Void catch_ctrl_c (int signo) (Printf ( "catch signal %d\n" signo); Printf ( "set received signal flag\n"); Received_signal=1;} Main (int argc, char **argv) { Sigset_t newmask; Struct sigaction action; Action.sa_handler=catch_ctrl_c; Sigemptyset (&action.sa_mask); Action.sa_flags=0; If (sigaction (SIGINT, &action, NULL) ==-1) Perror ( "can not install the handler for SIGINT"); Sigprocmask (SIG_BLOCK, &newmask, NULL); Sigdelset (&newmask, SIGINT); Printf ( "waiting for signal SIGINT\n"); While (received_signal==0) Sigsuspend (&newmask);    } What is the use of this function will sigsuspend ah It would obstruct the process? Sigsuspend function of the way? How Mody no response ah [ Closed window ]