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1c196845 MJ |
1 | // SPDX-FileCopyrightText: 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
2 | // | |
3 | // SPDX-License-Identifier: MIT | |
40b2b5a4 | 4 | |
9b14815a MD |
5 | #ifndef _LTTNG_UST_TRACEPOINT_RCU_H |
6 | #define _LTTNG_UST_TRACEPOINT_RCU_H | |
c0c0989a | 7 | |
40b2b5a4 | 8 | #include <urcu/compiler.h> |
10544ee8 | 9 | #include <lttng/urcu/pointer.h> |
251c9f75 | 10 | #include <lttng/ust-api-compat.h> |
40b2b5a4 MD |
11 | |
12 | #ifdef _LGPL_SOURCE | |
13 | ||
10544ee8 | 14 | #include <lttng/urcu/urcu-ust.h> |
40b2b5a4 | 15 | |
251c9f75 MJ |
16 | #define lttng_ust_tp_rcu_read_lock lttng_ust_urcu_read_lock |
17 | #define lttng_ust_tp_rcu_read_unlock lttng_ust_urcu_read_unlock | |
18 | #define lttng_ust_tp_rcu_dereference lttng_ust_rcu_dereference | |
19 | #define LTTNG_UST_TP_RCU_LINK_TEST() 1 | |
40b2b5a4 MD |
20 | |
21 | #else /* _LGPL_SOURCE */ | |
22 | ||
251c9f75 MJ |
23 | #define lttng_ust_tp_rcu_read_lock lttng_ust_tracepoint_dlopen_ptr->rcu_read_lock_sym |
24 | #define lttng_ust_tp_rcu_read_unlock lttng_ust_tracepoint_dlopen_ptr->rcu_read_unlock_sym | |
40b2b5a4 | 25 | |
251c9f75 | 26 | #define lttng_ust_tp_rcu_dereference(p) \ |
4d3b06fe | 27 | URCU_FORCE_CAST(__typeof__(p), \ |
7863d51a | 28 | lttng_ust_tracepoint_dlopen_ptr->rcu_dereference_sym(URCU_FORCE_CAST(void *, p))) |
40b2b5a4 | 29 | |
4405cc3e | 30 | #define LTTNG_UST_TP_RCU_LINK_TEST() (lttng_ust_tracepoint_dlopen_ptr && lttng_ust_tp_rcu_read_lock) |
51920067 | 31 | |
40b2b5a4 MD |
32 | #endif /* _LGPL_SOURCE */ |
33 | ||
251c9f75 MJ |
34 | #if LTTNG_UST_COMPAT_API(0) |
35 | #define tp_rcu_read_lock lttng_ust_tp_rcu_read_lock | |
36 | #define tp_rcu_read_unlock lttng_ust_tp_rcu_read_unlock | |
37 | #define tp_rcu_dereference lttng_ust_tp_rcu_dereference | |
38 | #define TP_RCU_LINK_TEST LTTNG_UST_TP_RCU_LINK_TEST | |
39 | #endif | |
40 | ||
9b14815a | 41 | #endif /* _LTTNG_UST_TRACEPOINT_RCU_H */ |