dune-common 2.9.0
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stdthread.hh
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1// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2// vi: set et ts=4 sw=2 sts=2:
3// SPDX-FileCopyrightInfo: Copyright (C) DUNE Project contributors, see file LICENSE.md in module root
4// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
5
6#ifndef DUNE_COMMON_STDTHREAD_HH
7#define DUNE_COMMON_STDTHREAD_HH
8
9namespace Dune
10{
11
12 // used internally by assertCallOnce for the actual check
13 void doAssertCallOnce(const char *file, int line, const char *function);
14
17
35 inline void assertCallOnce(const char *file = nullptr, int line = -1,
36 const char *function = nullptr)
37 {
38 // make sure to call this only the first time this function is invoked
39 [[maybe_unused]] static const bool works
40 = (doAssertCallOnce(file, line, function), true);
41 }
42
45
49#define DUNE_ASSERT_CALL_ONCE() \
50 ::Dune::assertCallOnce(__FILE__, __LINE__, __func__)
51
52} // namespace Dune
53
54#endif // DUNE_COMMON_STDTHREAD_HH
Dune namespace.
Definition alignedallocator.hh:13
void assertCallOnce(const char *file=nullptr, int line=-1, const char *function=nullptr)
Make sure call_once() works and provide a helpful error message otherwise.
Definition stdthread.hh:35
void doAssertCallOnce(const char *file, int line, const char *function)
Definition stdthread.cc:42