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