Common: Fix SCOPE_EXIT to actually create unique identifiers.
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@ -31,6 +31,10 @@ template<> struct CompileTimeAssert<true> {};
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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/// Textually concatenates two tokens. The double-expansion is required by the C preprocessor.
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#define CONCAT2(x, y) DO_CONCAT2(x, y)
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#define DO_CONCAT2(x, y) x ## y
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#ifndef _MSC_VER
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#ifndef _MSC_VER
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#include <errno.h>
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#include <errno.h>
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@ -4,6 +4,8 @@
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#pragma once
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#pragma once
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#include "common/common_funcs.h"
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namespace detail {
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namespace detail {
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template <typename Func>
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template <typename Func>
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struct ScopeExitHelper {
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struct ScopeExitHelper {
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@ -34,4 +36,4 @@ namespace detail {
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* }
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* }
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* \endcode
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* \endcode
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*/
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*/
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#define SCOPE_EXIT(body) auto scope_exit_helper_##__LINE__ = detail::ScopeExit([&]() body)
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#define SCOPE_EXIT(body) auto CONCAT2(scope_exit_helper_, __LINE__) = detail::ScopeExit([&]() body)
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