+++ /dev/null
-#ifndef BABELTRACE_CTF_IR_REF_H
-#define BABELTRACE_CTF_IR_REF_H
-
-/*
- * BabelTrace - CTF IR: common reference counting
- *
- * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
- * Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <assert.h>
-#include <babeltrace/ref-internal.h>
-#include <babeltrace/ctf-ir/common-internal.h>
-
-/*
- * BT_CTF_PUT: calls bt_ctf_put() with a variable, then sets this
- * variable to NULL.
- *
- * A common action with CTF IR objects is to create or get one, do
- * something with it, and then put it. To avoid putting it a second time
- * later (if an error occurs, for example), the variable is often reset
- * to NULL after putting the object it points to. Since this is so
- * common, you can use the BT_CTF_PUT() macro, which does just that.
- *
- * It is safe to call this function with a NULL object.
- *
- * @param obj CTF IR object.
- */
-#define BT_CTF_PUT(_obj) \
- do { \
- bt_ctf_put(_obj); \
- (_obj) = NULL; \
- } while (0)
-
-/*
- * BT_CTF_MOVE: moves the ownership of a CTF object, setting the old
- * owner to NULL.
- *
- * This macro sets the variable _dst to the value of the variable _src,
- * then sets _src to NULL, effectively moving the ownership of a CTF
- * object from one variable to the other.
- *
- * @param obj CTF IR object.
- */
-#define BT_CTF_MOVE(_dst, _src) \
- do { \
- (_dst) = (_src); \
- (_src) = NULL; \
- } while (0)
-
-/*
- * bt_ctf_get: increments the reference count of a CTF IR object.
- *
- * The same number of bt_ctf_get() and bt_ctf_put() (plus one extra
- * bt_ctf_put() to release the initial reference done at creation) have
- * to be done to destroy a CTF IR object.
- *
- * It is safe to call this function with a NULL object.
- *
- * @param obj CTF IR object.
- */
-static inline
-void bt_ctf_get(void *obj)
-{
- if (obj) {
- struct bt_ctf_base *base = obj;
-
- bt_ref_get(&base->ref_count);
- }
-}
-
-/*
- * bt_ctf_put: decrements the reference count of a CTF IR object.
- *
- * The same number of bt_ctf_get() and bt_ctf_put() (plus one extra
- * bt_ctf_put() to release the initial reference done at creation) have
- * to be done to destroy a CTF IR object.
- *
- * When the object's reference count is decremented to 0 by a call to
- * bt_ctf_put(), the object is freed.
- *
- * It is safe to call this function with a NULL object.
- *
- * @param obj CTF IR object.
- */
-static inline
-void bt_ctf_put(void *obj)
-{
- if (obj) {
- struct bt_ctf_base *base = obj;
-
- bt_ref_put(&base->ref_count);
- }
-}
-
-#endif /* BABELTRACE_CTF_IR_REF_H */
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