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/*
* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Ted Gould <ted.gould@canonical.com>
*/
#ifndef UAL_TRACEPOINT_H__
#define UAL_TRACEPOINT_H__ 1
#include <glib.h>
extern int _ual_tracepoints_env_checked;
extern int _ual_tracepoints_enabled;
/* Little macro that makes it so we can easily turn off all the tracepoints
if they're not needed. Also cleans up the code a bit by removing some common
elements */
#define ual_tracepoint(point, ...) \
if (G_UNLIKELY(!_ual_tracepoints_env_checked)) { \
_ual_tracepoints_enabled = getenv("UBUNTU_APP_LAUNCH_LTTNG_ENABLED") != NULL; \
_ual_tracepoints_env_checked = 1; \
} \
if (G_UNLIKELY(_ual_tracepoints_enabled)) { \
tracepoint(ubuntu_app_launch, point, __VA_ARGS__); \
}
#endif /* UAL_TRACEPOINT_H__ */
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