C++ (Cpp) uwsgi_as_root Examples

Example #1

File: gateway.c Project: actstylo/uwsgi

void gateway_respawn(int id) {

	pid_t gw_pid;
	struct uwsgi_gateway *ug = &ushared->gateways[id];

	if (uwsgi.master_process)
		uwsgi.shared->gateways_harakiri[id] = 0;

	gw_pid = uwsgi_fork(ug->fullname);
	if (gw_pid < 0) {
		uwsgi_error("fork()");
		return;
	}

	if (gw_pid == 0) {
		uwsgi_fixup_fds(0, 0, ug);
		if (uwsgi.master_as_root)
			uwsgi_as_root();
#ifdef __linux__
		if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
			uwsgi_error("prctl()");
		}
#endif
		uwsgi.mypid = getpid();
		atexit(gateway_brutal_end);
		signal(SIGALRM, SIG_IGN);
		signal(SIGHUP, SIG_IGN);
		signal(SIGINT, end_me);
		signal(SIGTERM, end_me);
		signal(SIGUSR1, SIG_IGN);
		signal(SIGUSR2, SIG_IGN);
		signal(SIGPIPE, SIG_IGN);
		signal(SIGSTOP, SIG_IGN);
		signal(SIGTSTP, SIG_IGN);

		ug->loop(id, ug->data);
		// never here !!! (i hope)
		exit(1);
	}

	ug->pid = gw_pid;
	ug->respawns++;
	if (ug->respawns == 1) {
		uwsgi_log("spawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
	}
	else {
		uwsgi_log("respawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
	}

}

Example #2

File: socket.c Project: chiwong/flask_quickstart

void uwsgi_bind_sockets() {
	socklen_t socket_type_len;
	union uwsgi_sockaddr usa;
	union uwsgi_sockaddr_ptr gsa;

	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
	while (uwsgi_sock) {
		if (!uwsgi_sock->bound && !uwsgi_socket_is_already_bound(uwsgi_sock->name)) {
			char *tcp_port = strrchr(uwsgi_sock->name, ':');
			if (tcp_port == NULL) {
				uwsgi_sock->fd = bind_to_unix(uwsgi_sock->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
				uwsgi_sock->family = AF_UNIX;
				if (uwsgi.chown_socket) {
					uwsgi_chown(uwsgi_sock->name, uwsgi.chown_socket);
				}
				uwsgi_log("uwsgi socket %d bound to UNIX address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
			}
			else {
#ifdef UWSGI_IPV6
				if (uwsgi_sock->name[0] == '[' && tcp_port[-1] == ']') {
					uwsgi_sock->fd = bind_to_tcp6(uwsgi_sock->name, uwsgi.listen_queue, tcp_port);
					uwsgi_log("uwsgi socket %d bound to TCP6 address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
					uwsgi_sock->family = AF_INET6;
				}
				else {
#endif
					uwsgi_sock->fd = bind_to_tcp(uwsgi_sock->name, uwsgi.listen_queue, tcp_port);
					uwsgi_log("uwsgi socket %d bound to TCP address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
					uwsgi_sock->family = AF_INET;
#ifdef UWSGI_IPV6
				}
#endif
			}

			if (uwsgi_sock->fd < 0 && !uwsgi_sock->per_core) {
				uwsgi_log("unable to create server socket on: %s\n", uwsgi_sock->name);
				exit(1);
			}
		}
		uwsgi_sock->bound = 1;
		uwsgi_sock = uwsgi_sock->next;
	}


	if (uwsgi.chown_socket) {
		if (!uwsgi.master_as_root) {
			uwsgi_as_root();
		}
	}

	int zero_used = 0;
	uwsgi_sock = uwsgi.sockets;
	while (uwsgi_sock) {
		if (uwsgi_sock->bound && uwsgi_sock->fd == 0) {
			zero_used = 1;
			break;
		}
		uwsgi_sock = uwsgi_sock->next;
	}

	if (!zero_used) {
		socket_type_len = sizeof(struct sockaddr_un);
		gsa.sa = (struct sockaddr *) &usa;
		if (!uwsgi.skip_zero && !getsockname(0, gsa.sa, &socket_type_len)) {
			if (gsa.sa->sa_family == AF_UNIX) {
				uwsgi_sock = uwsgi_new_socket(uwsgi_getsockname(0));
				uwsgi_sock->family = AF_UNIX;
				uwsgi_sock->fd = 0;
				uwsgi_sock->bound = 1;
				uwsgi_log("uwsgi socket %d inherited UNIX address %s fd 0\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name);
			}
			else {
				uwsgi_sock = uwsgi_new_socket(uwsgi_getsockname(0));
				uwsgi_sock->family = AF_INET;
				uwsgi_sock->fd = 0;
				uwsgi_sock->bound = 1;
				uwsgi_log("uwsgi socket %d inherited INET address %s fd 0\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name);
			}
		}
		else if (!uwsgi.honour_stdin) {
			int fd = open("/dev/null", O_RDONLY);
			if (fd < 0) {
				uwsgi_error_open("/dev/null");
				exit(1);
			}
			if (fd != 0) {
				if (dup2(fd, 0) < 0) {
					uwsgi_error("dup2()");
					exit(1);
				}
				close(fd);
			}
		}
		else if (uwsgi.honour_stdin) {
			if (!tcgetattr(0, &uwsgi.termios)) {
				uwsgi.restore_tc = 1;
			}
		}

	}

	// check for auto_port socket
	uwsgi_sock = uwsgi.sockets;
	while (uwsgi_sock) {
		if (uwsgi_sock->auto_port) {
#ifdef UWSGI_IPV6
			if (uwsgi_sock->family == AF_INET6) {
				uwsgi_log("uwsgi socket %d bound to TCP6 address %s (port auto-assigned) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
			}
			else {
#endif
				uwsgi_log("uwsgi socket %d bound to TCP address %s (port auto-assigned) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
#ifdef UWSGI_IPV6
			}
#endif
		}
		uwsgi_sock = uwsgi_sock->next;
	}


}