| 1 | /* |
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| 2 | * Copyright (C) 2019 The Android Open Source Project |
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| 3 | * |
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 5 | * you may not use this file except in compliance with the License. |
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| 6 | * You may obtain a copy of the License at |
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| 7 | * |
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 9 | * |
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| 10 | * Unless required by applicable law or agreed to in writing, software |
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 13 | * See the License for the specific language governing permissions and |
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| 14 | * limitations under the License. |
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| 15 | */ |
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| 16 | |
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| 17 | #include "perfetto/protozero/static_buffer.h" |
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| 18 | |
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| 19 | #include "perfetto/base/logging.h" |
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| 20 | |
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| 21 | namespace protozero { |
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| 22 | |
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| 23 | StaticBufferDelegate::~StaticBufferDelegate() = default; |
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| 24 | |
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| 25 | ContiguousMemoryRange StaticBufferDelegate::GetNewBuffer() { |
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| 26 | if (get_new_buffer_called_once_) { |
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| 27 | // This is the 2nd time GetNewBuffer is called. The estimate is wrong. We |
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| 28 | // shouldn't try to grow the buffer after the initial call. |
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| 29 | PERFETTO_FATAL("Static buffer too small" ); |
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| 30 | } |
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| 31 | get_new_buffer_called_once_ = true; |
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| 32 | return range_; |
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| 33 | } |
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| 34 | |
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| 35 | } // namespace protozero |
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| 36 | |
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