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40b2b5a4 | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: MIT |
40b2b5a4 | 3 | * |
c0c0989a | 4 | * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
40b2b5a4 MD |
5 | */ |
6 | ||
c0c0989a MJ |
7 | #ifndef _LTTNG_TRACEPOINT_RCU_H |
8 | #define _LTTNG_TRACEPOINT_RCU_H | |
9 | ||
40b2b5a4 | 10 | #include <urcu/compiler.h> |
10544ee8 | 11 | #include <lttng/urcu/pointer.h> |
40b2b5a4 MD |
12 | |
13 | #ifdef _LGPL_SOURCE | |
14 | ||
10544ee8 | 15 | #include <lttng/urcu/urcu-ust.h> |
40b2b5a4 | 16 | |
10544ee8 MD |
17 | #define tp_rcu_read_lock lttng_ust_urcu_read_lock |
18 | #define tp_rcu_read_unlock lttng_ust_urcu_read_unlock | |
19 | #define tp_rcu_dereference lttng_ust_rcu_dereference | |
51920067 | 20 | #define TP_RCU_LINK_TEST() 1 |
40b2b5a4 MD |
21 | |
22 | #else /* _LGPL_SOURCE */ | |
23 | ||
10544ee8 MD |
24 | #define tp_rcu_read_lock tracepoint_dlopen_ptr->rcu_read_lock_sym |
25 | #define tp_rcu_read_unlock tracepoint_dlopen_ptr->rcu_read_unlock_sym | |
40b2b5a4 | 26 | |
10544ee8 | 27 | #define tp_rcu_dereference(p) \ |
4d3b06fe | 28 | URCU_FORCE_CAST(__typeof__(p), \ |
10544ee8 | 29 | tracepoint_dlopen_ptr->rcu_dereference_sym(URCU_FORCE_CAST(void *, p))) |
40b2b5a4 | 30 | |
10544ee8 | 31 | #define TP_RCU_LINK_TEST() (tracepoint_dlopen_ptr && tp_rcu_read_lock) |
51920067 | 32 | |
40b2b5a4 MD |
33 | #endif /* _LGPL_SOURCE */ |
34 | ||
35 | #endif /* _LTTNG_TRACEPOINT_RCU_H */ |