36 lines
1.4 KiB
C
36 lines
1.4 KiB
C
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/* Template to produce unique symbols.
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Copyright (C) 2019-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* This template produces a unique symbol definition for an explicit
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template instantiation (without also incorporating a reference),
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and an extern template declaration can be used to reference that
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symbol from another object. The modid parameter is just a
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placeholder to create different symbols (because it affects the
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name mangling of the static value member). By convention, it
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should match the number of the module that contains the
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definition. */
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template <int modid>
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struct unique_symbol
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{
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static int value;
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};
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template <int modid>
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int unique_symbol<modid>::value;
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