1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef INCLUDE_PERFETTO_EXT_BASE_PLATFORM_H_ 18 #define INCLUDE_PERFETTO_EXT_BASE_PLATFORM_H_ 19 20 namespace perfetto { 21 namespace base { 22 namespace platform { 23 24 // Executed before entering a syscall (e.g. poll, read, write etc) which might 25 // block. 26 // This is overridden in Google internal builds for dealing with userspace 27 // scheduling. 28 void BeforeMaybeBlockingSyscall(); 29 30 // Executed after entering a syscall (e.g. poll, read, write etc) which might 31 // block. 32 // This is overridden in Google internal builds for dealing with userspace 33 // scheduling. 34 void AfterMaybeBlockingSyscall(); 35 36 } // namespace platform 37 } // namespace base 38 } // namespace perfetto 39 40 #endif // INCLUDE_PERFETTO_EXT_BASE_PLATFORM_H_ 41