2 * Copyright (C) 2017 - Julien Desfossez <jdesfossez@efficios.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 #ifndef SESSIOND_TIMER_H
19 #define SESSIOND_TIMER_H
25 #define LTTNG_SESSIOND_SIG_TEARDOWN SIGRTMIN + 10
26 #define LTTNG_SESSIOND_SIG_EXIT SIGRTMIN + 11
27 #define LTTNG_SESSIOND_SIG_ROTATE_PENDING SIGRTMIN + 12
29 #define CLOCKID CLOCK_MONOTONIC
32 * Handle timer teardown race wrt memory free of private data by sessiond
33 * signals are handled by a single thread, which permits a synchronization
34 * point between handling of each signal. Internal lock ensures mutual
37 struct timer_signal_data
{
38 pthread_t tid
; /* thread id managing signals */
44 void *sessiond_timer_thread(void *data
);
45 int sessiond_timer_signal_init(void);
47 int sessiond_timer_rotate_pending_start(struct ltt_session
*session
, unsigned int
49 void sessiond_timer_rotate_pending_stop(struct ltt_session
*session
);
51 #endif /* SESSIOND_TIMER_H */
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