302 	sigset_t block_these;  in zoo_lock()  local
311 	sigemptyset(&block_these);  in zoo_lock()
312 	sigaddset(&block_these, SIGINT);  in zoo_lock()
313 	sigaddset(&block_these, SIGTERM);  in zoo_lock()
314 	sigaddset(&block_these, SIGHUP);  in zoo_lock()
315 	sigaddset(&block_these, SIGUSR1);  in zoo_lock()
316 	sigaddset(&block_these, SIGUSR2);  in zoo_lock()
317 	sigprocmask(SIG_BLOCK, &block_these, NULL);  in zoo_lock()
323 	sigprocmask(SIG_UNBLOCK, &block_these, NULL);  in zoo_lock()
338 	sigset_t block_these;  in zoo_unlock()  local
347 	sigemptyset(&block_these);  in zoo_unlock()
348 	sigaddset(&block_these, SIGINT);  in zoo_unlock()
349 	sigaddset(&block_these, SIGTERM);  in zoo_unlock()
350 	sigaddset(&block_these, SIGHUP);  in zoo_unlock()
351 	sigaddset(&block_these, SIGUSR1);  in zoo_unlock()
352 	sigaddset(&block_these, SIGUSR2);  in zoo_unlock()
353 	sigprocmask(SIG_BLOCK, &block_these, NULL);  in zoo_unlock()
359 	sigprocmask(SIG_UNBLOCK, &block_these, NULL);  in zoo_unlock()