/* Test whether a basic sigismember invocation works. */ #include #include "../basic.h" int main(void) { sigset_t set; sigemptyset(&set); if ( sigismember(&set, SIGUSR1) != 0 || sigismember(&set, SIGUSR2) != 0 ) errx(1, "control test failed"); if ( sigaddset(&set, SIGUSR1) < 0 ) err(1, "sigaddset"); if ( sigismember(&set, SIGUSR1) != 1 ) errx(1, "SIGUSR1 was not set"); if ( sigismember(&set, SIGUSR2) != 0 ) errx(1, "SIGUSR2 was not unset"); if ( 0 <= sigismember(&set, -1) ) errx(1, "sigismember did not fail on a negative signal"); if ( 0 <= sigismember(&set, 1024 * 1024) ) errx(1, "sigismember did not fail on a too large signal"); return 0; }