+
+/*
+ * Kernel work-arounds called at the start of sessiond main().
+ */
+int init_kernel_workarounds(void)
+{
+ int ret;
+ FILE *fp;
+
+ /*
+ * boot_id needs to be read once before being used concurrently
+ * to deal with a Linux kernel race. A fix is proposed for
+ * upstream, but the work-around is needed for older kernels.
+ */
+ fp = fopen("/proc/sys/kernel/random/boot_id", "r");
+ if (!fp) {
+ goto end_boot_id;
+ }
+ while (!feof(fp)) {
+ char buf[37] = "";
+
+ ret = fread(buf, 1, sizeof(buf), fp);
+ if (ret < 0) {
+ /* Ignore error, we don't really care */
+ }
+ }
+ ret = fclose(fp);
+ if (ret) {
+ PERROR("fclose");
+ }
+end_boot_id:
+ return 0;
+}
+
+/*
+ * Complete teardown of a kernel session.
+ */
+void kernel_destroy_session(struct ltt_kernel_session *ksess)
+{
+ if (ksess == NULL) {
+ DBG3("No kernel session when tearing down session");
+ return;
+ }
+
+ DBG("Tearing down kernel session");
+
+ /* Close any relayd session */
+ consumer_output_send_destroy_relayd(ksess->consumer);
+
+ trace_kernel_destroy_session(ksess);
+}