1 files changed, 62 insertions, 0 deletions
diff --git a/profcollectd/libprofcollectd/lib.rs b/profcollectd/libprofcollectd/lib.rs
new file mode 100644
index 00000000..90bca990
--- /dev/null
+++ b/profcollectd/libprofcollectd/lib.rs
@@ -0,0 +1,62 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+//! Safe Rust interface over the libprofcollectd_bindgen FFI functions.
+//! The methods are safe to call since they do not touch or modify Rust side's
+//! memory or threads.
+
+/// Initialise profcollectd service.
+/// * `start` - Immediately schedule collection after service is initialised.
+pub fn init_service(start: bool) {
+    unsafe {
+        profcollectd_bindgen::InitService(start);
+    }
+}
+
+/// Schedule periodic profile collection.
+pub fn schedule_collection() {
+    unsafe {
+        profcollectd_bindgen::ScheduleCollection();
+    }
+}
+
+/// Terminate periodic profile collection.
+pub fn terminate_collection() {
+    unsafe {
+        profcollectd_bindgen::TerminateCollection();
+    }
+}
+
+/// Immediately schedule a one-off trace.
+pub fn trace_once() {
+    unsafe {
+        profcollectd_bindgen::TraceOnce();
+    }
+}
+
+/// Process the profiles.
+pub fn process() {
+    unsafe {
+        profcollectd_bindgen::Process();
+    }
+}
+
+/// Read configs from environment variables.
+pub fn read_config() {
+    unsafe {
+        profcollectd_bindgen::ReadConfig();
+    }
+}