diff --git a/libbpf_android/include/WaitForProgsLoaded.h b/libbpf_android/include/WaitForProgsLoaded.h new file mode 100644 index 0000000..bc4168e --- /dev/null +++ b/libbpf_android/include/WaitForProgsLoaded.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2021 The Android Open Source Project + * Android BPF library - public API + * + * 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. + */ + +#pragma once + +#include + +#include + +namespace android { +namespace bpf { + +// Wait for bpfloader to load BPF programs. +static inline void waitForProgsLoaded() { + // infinite loop until success with 5/10/20/40/60/60/60... delay + for (int delay = 5;; delay *= 2) { + if (delay > 60) delay = 60; + if (android::base::WaitForProperty("bpf.progs_loaded", "1", std::chrono::seconds(delay))) + return; + ALOGW("Waited %ds for bpf.progs_loaded, still waiting...", delay); + } +} + +} // namespace bpf +} // namespace android diff --git a/libbpf_android/include/libbpf_android.h b/libbpf_android/include/libbpf_android.h index 640f35b..a3d5f03 100644 --- a/libbpf_android/include/libbpf_android.h +++ b/libbpf_android/include/libbpf_android.h @@ -19,9 +19,6 @@ #include #include -#include - -#include namespace android { namespace bpf { @@ -32,16 +29,5 @@ int loadProg(const char* elfPath, bool* isCritical, const char* prefix = ""); // Exposed for testing unsigned int readSectionUint(const char* name, std::ifstream& elfFile, unsigned int defVal); -// Wait for bpfloader to load BPF programs. -static inline void waitForProgsLoaded() { - // infinite loop until success with 5/10/20/40/60/60/60... delay - for (int delay = 5;; delay *= 2) { - if (delay > 60) delay = 60; - if (android::base::WaitForProperty("bpf.progs_loaded", "1", std::chrono::seconds(delay))) - return; - ALOGW("Waited %ds for bpf.progs_loaded, still waiting...", delay); - } -} - } // namespace bpf } // namespace android