Fix: incorrect specifier %lu used with size_t argument
[lttng-tools.git] / src / common / consumer / consumer-timer.h
1 /*
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>
5 *
6 * SPDX-License-Identifier: GPL-2.0-only
7 *
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
19 #define LTTNG_CONSUMER_SIG_LIVE SIGRTMIN + 12
20 #define LTTNG_CONSUMER_SIG_MONITOR SIGRTMIN + 13
21 #define LTTNG_CONSUMER_SIG_EXIT SIGRTMIN + 14
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
28 * point between handling of each signal. Internal lock ensures mutual
29 * exclusion.
30 */
31 struct timer_signal_data {
32 pthread_t tid; /* thread id managing signals */
33 int setup_done;
34 int qs_done;
35 pthread_mutex_t lock;
36 };
37
38 void consumer_timer_switch_start(struct lttng_consumer_channel *channel,
39 unsigned int switch_timer_interval_us);
40 void consumer_timer_switch_stop(struct lttng_consumer_channel *channel);
41 void consumer_timer_live_start(struct lttng_consumer_channel *channel,
42 unsigned int live_timer_interval_us);
43 void consumer_timer_live_stop(struct lttng_consumer_channel *channel);
44 int consumer_timer_monitor_start(struct lttng_consumer_channel *channel,
45 unsigned int monitor_timer_interval_us);
46 int consumer_timer_monitor_stop(struct lttng_consumer_channel *channel);
47 void *consumer_timer_thread(void *data);
48 int consumer_signal_init(void);
49
50 int consumer_flush_kernel_index(struct lttng_consumer_stream *stream);
51 int consumer_flush_ust_index(struct lttng_consumer_stream *stream);
52
53 int consumer_timer_thread_get_channel_monitor_pipe(void);
54 int consumer_timer_thread_set_channel_monitor_pipe(int fd);
55
56 #endif /* CONSUMER_TIMER_H */
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