Move LTTng-UST buffer ownership from application to consumer

[lttng-tools.git] / src / common / compat / uuid.h

diff --git a/src/common/compat/uuid.h b/src/common/compat/uuid.h
new file mode 100644 (file)
index 0000000..5bf8beb
--- /dev/null
+++ b/src/common/compat/uuid.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@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.
+ */
+
+#ifndef LTTNG_UUID_H
+#define LTTNG_UUID_H
+
+#include <config.h>
+/*
+ * Includes final \0.
+ */
+#define UUID_STR_LEN           37
+
+#ifdef LTTNG_HAVE_LIBUUID
+#include <uuid/uuid.h>
+
+static inline
+int lttng_uuid_generate(unsigned char *uuid_out)
+{
+       uuid_generate(uuid_out);
+       return 0;
+}
+
+#elif defined(LTTNG_HAVE_LIBC_UUID)
+#include <uuid.h>
+#include <stdint.h>
+
+static inline
+int lttng_uuid_generate(unsigned char *uuid_out)
+{
+       uint32_t status;
+
+       uuid_create((uuid_t *) uuid_out, &status);
+       if (status == uuid_s_ok)
+               return 0;
+       else
+               return -1;
+}
+
+#else
+#error "LTTng-Tools needs to have a UUID generator configured."
+#endif
+
+#endif /* LTTNG_UUID_H */