X-Git-Url: https://git.lttng.org/?p=lttngtop.git;a=blobdiff_plain;f=lib%2Fbabeltrace%2Fctf-writer%2Fref-internal.h;fp=lib%2Fbabeltrace%2Fctf-writer%2Fref-internal.h;h=486e243c37ce117ad169f0f35b8885e199ce4301;hp=0000000000000000000000000000000000000000;hb=12a91e9dd6c9cc18989351762d19ed1e69fe627c;hpb=38e240608abcec56b7bee5a076e3992c835de834 diff --git a/lib/babeltrace/ctf-writer/ref-internal.h b/lib/babeltrace/ctf-writer/ref-internal.h new file mode 100644 index 0000000..486e243 --- /dev/null +++ b/lib/babeltrace/ctf-writer/ref-internal.h @@ -0,0 +1,61 @@ +#ifndef BABELTRACE_CTF_WRITER_REF_INTERNAL_H +#define BABELTRACE_CTF_WRITER_REF_INTERNAL_H + +/* + * BabelTrace - CTF Writer: Reference count + * + * Copyright 2013 EfficiOS Inc. + * + * Author: Jérémie Galarneau + * + * 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 + +struct bt_ctf_ref { + long refcount; +}; + +static inline +void bt_ctf_ref_init(struct bt_ctf_ref *ref) +{ + assert(ref); + ref->refcount = 1; +} + +static inline +void bt_ctf_ref_get(struct bt_ctf_ref *ref) +{ + assert(ref); + ref->refcount++; +} + +static inline +void bt_ctf_ref_put(struct bt_ctf_ref *ref, + void (*release)(struct bt_ctf_ref *)) +{ + assert(ref); + assert(release); + if ((--ref->refcount) == 0) { + release(ref); + } +} + +#endif /* BABELTRACE_CTF_WRITER_REF_INTERNAL_H */