Implement Java agent application context retrieval

[deliverable/lttng-ust.git] / liblttng-ust-java-agent / jni / common / lttng_ust_context.h

diff --git a/liblttng-ust-java-agent/jni/common/lttng_ust_context.h b/liblttng-ust-java-agent/jni/common/lttng_ust_context.h
new file mode 100644 (file)
index 0000000..2bdef3a
--- /dev/null
+++ b/liblttng-ust-java-agent/jni/common/lttng_ust_context.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef LIBLTTNG_UST_JAVA_AGENT_JNI_COMMON_LTTNG_UST_CONTEXT_H_
+#define LIBLTTNG_UST_JAVA_AGENT_JNI_COMMON_LTTNG_UST_CONTEXT_H_
+
+struct lttng_ust_jni_ctx;
+
+struct lttng_ust_jni_tls {
+       struct lttng_ust_jni_ctx *ctx;
+       int32_t len;
+};
+
+extern __thread struct lttng_ust_jni_tls lttng_ust_context_info_tls;
+
+#endif /* LIBLTTNG_UST_JAVA_AGENT_JNI_COMMON_LTTNG_UST_CONTEXT_H_ */