48     sigset_t mask;  in test_kevent_signal_get()  local
49     sigemptyset(&mask);  in test_kevent_signal_get()
50     sigaddset(&mask, SIGUSR1);  in test_kevent_signal_get()
51     if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)  in test_kevent_signal_get()
76     sigset_t mask;  in test_kevent_signal_disable()  local
77     sigemptyset(&mask);  in test_kevent_signal_disable()
78     sigaddset(&mask, SIGUSR1);  in test_kevent_signal_disable()
79     if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)  in test_kevent_signal_disable()
102     sigset_t mask;  in test_kevent_signal_enable()  local
103     sigemptyset(&mask);  in test_kevent_signal_enable()
104     sigaddset(&mask, SIGUSR1);  in test_kevent_signal_enable()
105     if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)  in test_kevent_signal_enable()
140     sigset_t mask;  in test_kevent_signal_del()  local
141     sigemptyset(&mask);  in test_kevent_signal_del()
142     sigaddset(&mask, SIGUSR1);  in test_kevent_signal_del()
143     if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)  in test_kevent_signal_del()
165     sigset_t mask;  in test_kevent_signal_oneshot()  local
166     sigemptyset(&mask);  in test_kevent_signal_oneshot()
167     sigaddset(&mask, SIGUSR1);  in test_kevent_signal_oneshot()
168     if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)  in test_kevent_signal_oneshot()