Move include/ust/ to include/lttng/

[ust.git] / include / ust / vatomic.h

diff --git a/include/ust/vatomic.h b/include/ust/vatomic.h
deleted file mode 100644 (file)
index a477d4c..0000000
--- a/include/ust/vatomic.h
+++ /dev/null
@@ -1,74 +0,0 @@
-#ifndef _LINUX_RING_BUFFER_VATOMIC_H
-#define _LINUX_RING_BUFFER_VATOMIC_H
-
-/*
- * linux/ringbuffer/vatomic.h
- *
- * Copyright (C) 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Dual LGPL v2.1/GPL v2 license.
- */
-
-#include <assert.h>
-#include <urcu/uatomic.h>
-
-/*
- * Same data type (long) accessed differently depending on configuration.
- * v field is for non-atomic access (protected by mutual exclusion).
- * In the fast-path, the ring_buffer_config structure is constant, so the
- * compiler can statically select the appropriate branch.
- * local_t is used for per-cpu and per-thread buffers.
- * atomic_long_t is used for globally shared buffers.
- */
-union v_atomic {
-       long a; /* accessed through uatomic */
-       long v;
-};
-
-static inline
-long v_read(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a)
-{
-       assert(config->sync != RING_BUFFER_SYNC_PER_CPU);
-       return uatomic_read(&v_a->a);
-}
-
-static inline
-void v_set(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a,
-          long v)
-{
-       assert(config->sync != RING_BUFFER_SYNC_PER_CPU);
-       uatomic_set(&v_a->a, v);
-}
-
-static inline
-void v_add(const struct lttng_ust_lib_ring_buffer_config *config, long v, union v_atomic *v_a)
-{
-       assert(config->sync != RING_BUFFER_SYNC_PER_CPU);
-       uatomic_add(&v_a->a, v);
-}
-
-static inline
-void v_inc(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a)
-{
-       assert(config->sync != RING_BUFFER_SYNC_PER_CPU);
-       uatomic_inc(&v_a->a);
-}
-
-/*
- * Non-atomic decrement. Only used by reader, apply to reader-owned subbuffer.
- */
-static inline
-void _v_dec(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a)
-{
-       --v_a->v;
-}
-
-static inline
-long v_cmpxchg(const struct lttng_ust_lib_ring_buffer_config *config, union v_atomic *v_a,
-              long old, long _new)
-{
-       assert(config->sync != RING_BUFFER_SYNC_PER_CPU);
-       return uatomic_cmpxchg(&v_a->a, old, _new);
-}
-
-#endif /* _LINUX_RING_BUFFER_VATOMIC_H */