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test_atomic: test for byte/short atomic support
[urcu.git]
/
urcu.c
diff --git
a/urcu.c
b/urcu.c
index 07537efbc55c90943b49f1a240aab5935fc55bc7..32f74880492ce40527c8b5b40560249eac485b90 100644
(file)
--- a/
urcu.c
+++ b/
urcu.c
@@
-37,6
+37,8
@@
#include "urcu.h"
#ifndef URCU_MB
#include "urcu.h"
#ifndef URCU_MB
+static int init_done;
+
void __attribute__((constructor)) urcu_init(void);
void __attribute__((destructor)) urcu_exit(void);
#else
void __attribute__((constructor)) urcu_init(void);
void __attribute__((destructor)) urcu_exit(void);
#else
@@
-45,9
+47,7
@@
void urcu_init(void)
}
#endif
}
#endif
-int init_done;
-
-pthread_mutex_t urcu_mutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t urcu_mutex = PTHREAD_MUTEX_INITIALIZER;
/*
* Global grace period counter.
/*
* Global grace period counter.
@@
-81,7
+81,7
@@
static struct reader_registry *registry;
static char __thread need_mb;
static int num_readers, alloc_readers;
static char __thread need_mb;
static int num_readers, alloc_readers;
-void internal_urcu_lock(void)
+
static
void internal_urcu_lock(void)
{
int ret;
{
int ret;
@@
-108,7
+108,7
@@
void internal_urcu_lock(void)
#endif /* #else #ifndef DISTRUST_SIGNALS_EXTREME */
}
#endif /* #else #ifndef DISTRUST_SIGNALS_EXTREME */
}
-void internal_urcu_unlock(void)
+
static
void internal_urcu_unlock(void)
{
int ret;
{
int ret;
@@
-347,6
+347,12
@@
void *rcu_xchg_pointer_sym(void **p, void *v)
return xchg(p, v);
}
return xchg(p, v);
}
+void *rcu_cmpxchg_pointer_sym(void **p, void *old, void *_new)
+{
+ wmb();
+ return cmpxchg(p, old, _new);
+}
+
void *rcu_publish_content_sym(void **p, void *v)
{
void *oldptr;
void *rcu_publish_content_sym(void **p, void *v)
{
void *oldptr;
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