NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations LIBRARY Standard C library ( libc ... sigfillset(sigset_t * set ); int sigaddset(sigse…copy of the signal mask. */ sigemptyset(&set); sigaddset(&set, SIGQUIT); sigaddset(&set, SIGUSR1); s = pthread