}
int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl) {
- int err;
-
- if (!uctrl->bound) {
- err = bind(uctrl->sock, &uctrl->saddr.sa, uctrl->addrlen);
- if (err < 0 && errno == EADDRINUSE) {
- (void) sockaddr_un_unlink(&uctrl->saddr.un);
- err = bind(uctrl->sock, &uctrl->saddr.sa, uctrl->addrlen);
- }
+ int r;
- if (err < 0)
- return log_error_errno(errno, "Failed to bind socket: %m");
+ assert(uctrl);
- err = listen(uctrl->sock, 0);
- if (err < 0)
- return log_error_errno(errno, "Failed to listen: %m");
+ if (uctrl->bound)
+ return 0;
- uctrl->bound = true;
- uctrl->cleanup_socket = true;
+ r = bind(uctrl->sock, &uctrl->saddr.sa, uctrl->addrlen);
+ if (r < 0 && errno == EADDRINUSE) {
+ (void) sockaddr_un_unlink(&uctrl->saddr.un);
+ r = bind(uctrl->sock, &uctrl->saddr.sa, uctrl->addrlen);
}
+
+ if (r < 0)
+ return log_error_errno(errno, "Failed to bind udev control socket: %m");
+
+ if (listen(uctrl->sock, 0) < 0)
+ return log_error_errno(errno, "Failed to listen udev control socket: %m");
+
+ uctrl->bound = true;
+ uctrl->cleanup_socket = true;
+
return 0;
}