X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fkernel.h;fp=include%2Flttng%2Fkernel.h;h=d3a9f05b55badc052ef6837903d17707bdba7659;hp=0000000000000000000000000000000000000000;hb=49cddecdbb1e042877ca3855b177ade68151030f;hpb=c1896e2d809e0d32d2d9b8a840755de6d5d70eaf

diff --git a/include/lttng/kernel.h b/include/lttng/kernel.h
new file mode 100644
index 000000000..d3a9f05b5
--- /dev/null
+++ b/include/lttng/kernel.h
@@ -0,0 +1,44 @@
+/*
+ * kernel.h
+ *
+ * Linux Trace Toolkit Control Library Header File
+ *
+ * Copyright (C) 2023 Kienan Stewart <kstewart@efficios.com>
+ *
+ * SPDX-License-Identifier; LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_KERNEL_H
+#define LTTNG_KERNEL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum lttng_kernel_tracer_status {
+	/* Loaded without error. */
+	LTTNG_KERNEL_TRACER_STATUS_INITIALIZED = 0,
+	/* Unknown error. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_UNKNOWN = -1,
+	/* lttng-sessiond isn't running as root. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_NEED_ROOT = -2,
+	/* Notifier setup failed. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_NOTIFIER = -3,
+	/* Failed to open /proc/lttng. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_OPEN_PROC_LTTNG = -4,
+	/* Version mismatch between kernel tracer and kernel tracer ABI. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_VERSION_MISMATCH = -5,
+	/* Kernel module loading failed. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_UNKNOWN = -6,
+	/* Kernel modules missing. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_MISSING = -7,
+	/* Kernel module signature error. */
+	LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_SIGNATURE = -8,
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LTTNG_KERNEL_H */