| 1 | // Protocol Buffers - Google's data interchange format |
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| 2 | // Copyright 2008 Google Inc. All rights reserved. |
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| 3 | // https://developers.google.com/protocol-buffers/ |
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| 4 | // |
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| 5 | // Redistribution and use in source and binary forms, with or without |
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| 6 | // modification, are permitted provided that the following conditions are |
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| 7 | // met: |
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| 8 | // |
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| 9 | // * Redistributions of source code must retain the above copyright |
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| 10 | // notice, this list of conditions and the following disclaimer. |
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| 11 | // * Redistributions in binary form must reproduce the above |
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| 12 | // copyright notice, this list of conditions and the following disclaimer |
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| 13 | // in the documentation and/or other materials provided with the |
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| 14 | // distribution. |
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| 15 | // * Neither the name of Google Inc. nor the names of its |
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| 16 | // contributors may be used to endorse or promote products derived from |
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| 17 | // this software without specific prior written permission. |
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| 18 | // |
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| 19 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 20 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 21 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 22 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 23 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 24 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 25 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 26 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 27 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 28 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 29 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 30 | |
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| 31 | #ifndef GOOGLE_PROTOBUF_STUBS_ONCE_H__ |
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| 32 | #define GOOGLE_PROTOBUF_STUBS_ONCE_H__ |
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| 33 | |
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| 34 | #include <mutex> |
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| 35 | #include <utility> |
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| 36 | |
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| 37 | #include <google/protobuf/port_def.inc> |
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| 38 | |
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| 39 | namespace google { |
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| 40 | namespace protobuf { |
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| 41 | namespace internal { |
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| 42 | |
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| 43 | using once_flag = std::once_flag; |
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| 44 | template <typename... Args> |
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| 45 | void call_once(Args&&... args ) { |
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| 46 | std::call_once(std::forward<Args>(args)...); |
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| 47 | } |
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| 48 | |
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| 49 | } // namespace internal |
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| 50 | } // namespace protobuf |
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| 51 | } // namespace google |
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| 52 | |
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| 53 | #include <google/protobuf/port_undef.inc> |
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| 54 | |
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| 55 | #endif // GOOGLE_PROTOBUF_STUBS_ONCE_H__ |
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| 56 | |
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