Build fix: consumer: unused-but-set-variable warning
[lttng-tools.git] / src / common / consumer / consumer-timer.hpp
CommitLineData
331744e3 1/*
21cf9b6b 2 * Copyright (C) 2011 EfficiOS Inc.
ab5be9fa
MJ
3 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
331744e3 5 *
ab5be9fa 6 * SPDX-License-Identifier: GPL-2.0-only
331744e3 7 *
331744e3
JD
8 */
9
10#ifndef CONSUMER_TIMER_H
11#define CONSUMER_TIMER_H
12
13#include <pthread.h>
14
c9e313bc 15#include "consumer.hpp"
331744e3 16
5c7248cd
JG
17#define LTTNG_CONSUMER_SIG_SWITCH ((SIGRTMIN + 10))
18#define LTTNG_CONSUMER_SIG_TEARDOWN ((SIGRTMIN + 11))
19#define LTTNG_CONSUMER_SIG_LIVE ((SIGRTMIN + 12))
20#define LTTNG_CONSUMER_SIG_MONITOR ((SIGRTMIN + 13))
21#define LTTNG_CONSUMER_SIG_EXIT ((SIGRTMIN + 14))
331744e3
JD
22
23#define CLOCKID CLOCK_MONOTONIC
24
25/*
26 * Handle timer teardown race wrt memory free of private data by consumer
27 * signals are handled by a single thread, which permits a synchronization
2b8f8754
MD
28 * point between handling of each signal. Internal lock ensures mutual
29 * exclusion.
331744e3
JD
30 */
31struct timer_signal_data {
32 pthread_t tid; /* thread id managing signals */
33 int setup_done;
34 int qs_done;
2b8f8754 35 pthread_mutex_t lock;
331744e3
JD
36};
37
38void consumer_timer_switch_start(struct lttng_consumer_channel *channel,
e9404c27 39 unsigned int switch_timer_interval_us);
331744e3 40void consumer_timer_switch_stop(struct lttng_consumer_channel *channel);
d3e2ba59 41void consumer_timer_live_start(struct lttng_consumer_channel *channel,
e9404c27 42 unsigned int live_timer_interval_us);
d3e2ba59 43void consumer_timer_live_stop(struct lttng_consumer_channel *channel);
e9404c27
JG
44int consumer_timer_monitor_start(struct lttng_consumer_channel *channel,
45 unsigned int monitor_timer_interval_us);
46int consumer_timer_monitor_stop(struct lttng_consumer_channel *channel);
d3e2ba59 47void *consumer_timer_thread(void *data);
cd9adb8b 48int consumer_signal_init();
331744e3 49
c585821b
MD
50int consumer_flush_kernel_index(struct lttng_consumer_stream *stream);
51int consumer_flush_ust_index(struct lttng_consumer_stream *stream);
52
cd9adb8b 53int consumer_timer_thread_get_channel_monitor_pipe();
e9404c27
JG
54int consumer_timer_thread_set_channel_monitor_pipe(int fd);
55
331744e3 56#endif /* CONSUMER_TIMER_H */
This page took 0.090173 seconds and 4 git commands to generate.