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Diffstat (limited to 'src/core/lib/support/memory.h')
-rw-r--r-- | src/core/lib/support/memory.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/core/lib/support/memory.h b/src/core/lib/support/memory.h new file mode 100644 index 0000000000..6eff94eff7 --- /dev/null +++ b/src/core/lib/support/memory.h @@ -0,0 +1,74 @@ +/* + * + * Copyright 2017, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_LIB_SUPPORT_MEMORY_H +#define GRPC_CORE_LIB_SUPPORT_MEMORY_H + +#include <grpc/support/alloc.h> + +#include <memory> +#include <utility> + +namespace grpc_core { + +// Alternative to new, since we cannot use it (for fear of libstdc++) +template <typename T, typename... Args> +inline T* New(Args&&... args) { + void* p = gpr_malloc(sizeof(T)); + return new (p) T(std::forward<Args>(args)...); +} + +// Alternative to delete, since we cannot use it (for fear of libstdc++) +template <typename T> +inline void Delete(T* p) { + p->~T(); + gpr_free(p); +} + +template <typename T> +class DefaultDelete { + public: + void operator()(T* p) { Delete(p); } +}; + +template <typename T, typename Deleter = DefaultDelete<T>> +using UniquePtr = std::unique_ptr<T, Deleter>; + +template <typename T, typename... Args> +inline UniquePtr<T> MakeUnique(Args&&... args) { + return UniquePtr<T>(New<T>(std::forward<Args>(args)...)); +} + +} // namespace grpc_core + +#endif /* GRPC_CORE_LIB_SUPPORT_MEMORY_H */ |