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/*
* kernel.h
*
* Linux Trace Toolkit Control Library Header File
*
* SPDX-FileCopyrightText: 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
/*!
@brief
The status of an LTTng kernel tracer.
@ingroup api_gen
@sa lttng_get_kernel_tracer_status() --
Get the current LTTng kernel tracer status.
*/
enum lttng_kernel_tracer_status {
/// Loaded without error.
LTTNG_KERNEL_TRACER_STATUS_INITIALIZED = 0,
/// Unknown error.
LTTNG_KERNEL_TRACER_STATUS_ERR_UNKNOWN = -1,
/*!
@brief
liblttng-ctl cannot connect to the session daemon of the
\c root user (the root session daemon).
See \ref api-gen-sessiond-conn "Session daemon connection".
*/
LTTNG_KERNEL_TRACER_STATUS_ERR_NEED_ROOT = -2,
/// Notifier setup failed.
LTTNG_KERNEL_TRACER_STATUS_ERR_NOTIFIER = -3,
/// Failed to open <code>/proc/lttng</code>.
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,
/// LTTng kernel module loading failed.
LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_UNKNOWN = -6,
/// Missing LTTng kernel modules.
LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_MISSING = -7,
/// LTTng kernel module signature error.
LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_SIGNATURE = -8,
};
#ifdef __cplusplus
}
#endif
#endif /* LTTNG_KERNEL_H */
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