Fix: incorrect specifier %lu used with size_t argument
[lttng-tools.git] / src / common / consumer / consumer-timer.h
CommitLineData
331744e3 1/*
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2 * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
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 *
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8 */
9
10#ifndef CONSUMER_TIMER_H
11#define CONSUMER_TIMER_H
12
13#include <pthread.h>
14
15#include "consumer.h"
16
17#define LTTNG_CONSUMER_SIG_SWITCH SIGRTMIN + 10
18#define LTTNG_CONSUMER_SIG_TEARDOWN SIGRTMIN + 11
d3e2ba59 19#define LTTNG_CONSUMER_SIG_LIVE SIGRTMIN + 12
e9404c27 20#define LTTNG_CONSUMER_SIG_MONITOR SIGRTMIN + 13
13675d0e 21#define LTTNG_CONSUMER_SIG_EXIT SIGRTMIN + 14
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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
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28 * point between handling of each signal. Internal lock ensures mutual
29 * exclusion.
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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;
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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);
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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);
73664f81 48int consumer_signal_init(void);
331744e3 49
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50int consumer_flush_kernel_index(struct lttng_consumer_stream *stream);
51int consumer_flush_ust_index(struct lttng_consumer_stream *stream);
52
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53int consumer_timer_thread_get_channel_monitor_pipe(void);
54int consumer_timer_thread_set_channel_monitor_pipe(int fd);
55
331744e3 56#endif /* CONSUMER_TIMER_H */
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