112 static volatile int pid_fd = -2;  variable
427 	if (pid_fd <= -2) return;  in remove_pid_file()
428 	if (srv->srvconf.pid_file && 0 <= pid_fd) {  in remove_pid_file()
429 		if (0 != ftruncate(pid_fd, 0)) {  in remove_pid_file()
434 	if (0 <= pid_fd) {  in remove_pid_file()
435 		close(pid_fd);  in remove_pid_file()
436 		pid_fd = -1;  in remove_pid_file()
1006     if (0 <= pid_fd) {  in server_graceful_state_bg()
1007             close(pid_fd);  in server_graceful_state_bg()
1008             pid_fd = -1;  in server_graceful_state_bg()
1066         if (pid_fd > 0) pid_fd = -pid_fd; /*(flag to skip removing pid file)*/  in server_graceful_state()
1219     if (0 <= pid_fd) {  in server_main_setup_workers()
1220         close(pid_fd);  in server_main_setup_workers()
1221         pid_fd = -1;  in server_main_setup_workers()
1475 	if (-2 == pid_fd) pid_fd = -1; /*(initial startup state)*/  in server_main_setup()
1476 	if (-1 == pid_fd && srv->srvconf.pid_file) {  in server_main_setup()
1478 …if (-1 == (pid_fd = fdevent_open_cloexec(pidfile, 0, O_WRONLY | O_CREAT | O_EXCL | O_TRUNC, S_IRUS…  in server_main_setup()
1497 …if (-1 == (pid_fd = fdevent_open_cloexec(pidfile, 0, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWU…  in server_main_setup()
1681 	if (pid_fd > 2) {  in server_main_setup()
1686 		if (-1 == write_all(pid_fd, BUF_PTR_LEN(tb))) {  in server_main_setup()
1688 			close(pid_fd);  in server_main_setup()
1689 			pid_fd = -1;  in server_main_setup()
1692 	} else if (pid_fd < -2) {  in server_main_setup()
1693 		pid_fd = -pid_fd;  in server_main_setup()
1874 						if (pid_fd < -2) pid_fd = -pid_fd;  in server_handle_sigalrm()