1 /* 2 * Copyright (C) 2019 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 #include "perfetto/protozero/static_buffer.h" 18 19 #include "perfetto/base/logging.h" 20 21 namespace protozero { 22 23 StaticBufferDelegate::~StaticBufferDelegate() = default; 24 GetNewBuffer()25ContiguousMemoryRange StaticBufferDelegate::GetNewBuffer() { 26 if (get_new_buffer_called_once_) { 27 // This is the 2nd time GetNewBuffer is called. The estimate is wrong. We 28 // shouldn't try to grow the buffer after the initial call. 29 PERFETTO_FATAL("Static buffer too small"); 30 } 31 get_new_buffer_called_once_ = true; 32 return range_; 33 } 34 35 } // namespace protozero 36