+static gboolean _create_pid_file(void)
+{
+ int fd;
+ struct flock lock;
+ char pid_buf[PID_MSG_LEN] = {'\0',};
+
+ fd = open(PID_FILE, O_WRONLY | O_CREAT, (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
+ MM_RM_RETVM_IF(fd < 0, FALSE, "PID file cannot be created (%d)", errno);
+
+ lock.l_type = F_WRLCK;
+ lock.l_start = 0;
+ lock.l_whence = SEEK_SET;
+ lock.l_len = 1000;
+
+ if (fcntl(fd, F_SETLK, &lock) < 0) {
+ if (errno != EACCES && errno != EAGAIN)
+ MM_RM_ERROR("Fail to lock pidfile [%d]", errno);
+ else
+ MM_RM_ERROR("process is already running");
+
+ goto error;
+ }
+
+ if (ftruncate(fd, 0) < 0) {
+ MM_RM_ERROR("Fail to truncate pidfile [%d]", errno);
+ goto error;
+ }
+
+ memset(pid_buf, 0, sizeof(pid_buf));
+ snprintf(pid_buf, sizeof(pid_buf), "%u", getpid());
+
+ if (write(fd, pid_buf, strlen(pid_buf)) != (int)strlen(pid_buf)) {
+ MM_RM_ERROR("Fail to write pid to pidfile [%d]", errno);
+ goto error;
+ }
+
+ close(fd);
+
+ MM_RM_INFO("PID file (%s) is created", PID_FILE);
+ return TRUE;
+
+error:
+ close(fd);
+ return FALSE;
+}
+
+static gboolean _create_ready_file(void)
+{
+ int fd = -1;
+
+ if ((fd = creat(MM_RESOURCE_MANAGER_READY, 0644)) != -1) {
+ MM_RM_INFO("ready file(%s) file was created", MM_RESOURCE_MANAGER_READY);
+ close(fd);
+ } else {
+ MM_RM_ERROR("cannot create ready file(%s), errno(%d)", MM_RESOURCE_MANAGER_READY, errno);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean _create_daemon_setup_file(void)
+{
+ _mmrm_dmn_notify_fork_done();
+ return _create_pid_file() && _create_ready_file();
+}