Fix: membarrier fallback symbol conflict

[urcu.git] / urcu / map / urcu.h

diff --git a/urcu/map/urcu.h b/urcu/map/urcu.h
index becc6a0f438a4eda367e3f779885a633534bdc71..77b37215734bfa163fbe680a3582a5b8a0b2af66 100644 (file)
--- a/urcu/map/urcu.h
+++ b/urcu/map/urcu.h
@@ -38,31 +38,6 @@
 #define RCU_MEMBARRIER
 #endif
 
-/*
- * RCU_MEMBARRIER is only possibly available on Linux. Fallback to
- * RCU_MB
- * otherwise.
- */
-#if !defined(__linux__) && defined(RCU_MEMBARRIER)
-#undef RCU_MEMBARRIER
-#define RCU_MB
-#endif
-
-#ifdef RCU_MEMBARRIER
-#include <syscall.h>
-
-/* If the headers do not support SYS_membarrier, statically use RCU_MB */
-#ifdef SYS_membarrier
-# define MEMBARRIER_EXPEDITED          (1 << 0)
-# define MEMBARRIER_DELAYED            (1 << 1)
-# define MEMBARRIER_QUERY              (1 << 16)
-# define membarrier(...)               syscall(SYS_membarrier, __VA_ARGS__)
-#else
-# undef RCU_MEMBARRIER
-# define RCU_MB
-#endif
-#endif
-
 #ifdef RCU_MEMBARRIER
 
 #define rcu_read_lock                  rcu_read_lock_memb
@@ -77,8 +52,7 @@
 #define rcu_exit                       rcu_exit_memb
 #define synchronize_rcu                        synchronize_rcu_memb
 #define rcu_reader                     rcu_reader_memb
-#define rcu_gp_ctr                     rcu_gp_ctr_memb
-#define rcu_gp_futex                   rcu_gp_futex_memb
+#define rcu_gp                         rcu_gp_memb
 
 #define get_cpu_call_rcu_data          get_cpu_call_rcu_data_memb
 #define get_call_rcu_thread            get_call_rcu_thread_memb
@@ -125,8 +99,7 @@
 #define rcu_exit                       rcu_exit_sig
 #define synchronize_rcu                        synchronize_rcu_sig
 #define rcu_reader                     rcu_reader_sig
-#define rcu_gp_ctr                     rcu_gp_ctr_sig
-#define rcu_gp_futex                   rcu_gp_futex_sig
+#define rcu_gp                         rcu_gp_sig
 
 #define get_cpu_call_rcu_data          get_cpu_call_rcu_data_sig
 #define get_call_rcu_thread            get_call_rcu_thread_sig
@@ -170,8 +143,7 @@
 #define rcu_exit                       rcu_exit_mb
 #define synchronize_rcu                        synchronize_rcu_mb
 #define rcu_reader                     rcu_reader_mb
-#define rcu_gp_ctr                     rcu_gp_ctr_mb
-#define rcu_gp_futex                   rcu_gp_futex_mb
+#define rcu_gp                         rcu_gp_mb
 
 #define get_cpu_call_rcu_data          get_cpu_call_rcu_data_mb
 #define get_call_rcu_thread            get_call_rcu_thread_mb