Function sam_register

lib/sam.c:1259–1398

}

cs_error_t sam_register (
	unsigned int *instance_id)
{
	pid_t pid;
	int pipe_error;
	int pipe_fd_out[2], pipe_fd_in[2];
	enum sam_parent_action_t action, old_action;
	int child_status;
	sam_recovery_policy_t recpol;
	cs_error_t ret;

	ret = CS_OK;

	if (sam_internal_data.internal_status != SAM_INTERNAL_STATUS_INITIALIZED) {
		ret = CS_ERR_BAD_HANDLE;
		goto exit_error;
	}

	recpol = sam_internal_data.recovery_policy;

	if (recpol & SAM_RECOVERY_POLICY_CMAP) {
		/*
		 * Register to cmap
		 */
		if ((ret = sam_cmap_register ()) != CS_OK) {
			ret = CS_ERR_BAD_HANDLE;
			goto exit_error;
		}
	}

	while (1) {
		if ((pipe_error = pipe (pipe_fd_out)) != 0) {
			ret = CS_ERR_LIBRARY;
			goto exit_error;
		}

		if ((pipe_error = pipe (pipe_fd_in)) != 0) {
			close (pipe_fd_out[0]);
			close (pipe_fd_out[1]);

			ret = CS_ERR_BAD_HANDLE;
			goto exit_error;
		}

		if (recpol & SAM_RECOVERY_POLICY_CMAP) {
			if ((ret = sam_cmap_update_key (SAM_CMAP_KEY_STATE, SAM_CMAP_S_REGISTERED)) != CS_OK) {
				goto exit_error;
			}
		}

		sam_internal_data.instance_id++;

		sam_internal_data.term_send = 0;

		pid = fork ();

		if (pid == -1) {
			/*