stdthread.hh

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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
 
#ifndef DUNE_COMMON_STDTHREAD_HH
#define DUNE_COMMON_STDTHREAD_HH
 
namespace Dune
{
 
  // used internally by assertCallOnce for the actual check
  void doAssertCallOnce(const char *file, int line, const char *function);
 
 
  inline void assertCallOnce(const char *file = nullptr, int line = -1,
                             const char *function = nullptr)
  {
    // make sure to call this only the first time this function is invoked
    [[maybe_unused]] static const bool works
      = (doAssertCallOnce(file, line, function), true);
  }
 
 
#define DUNE_ASSERT_CALL_ONCE()                         \
  ::Dune::assertCallOnce(__FILE__, __LINE__, __func__)
 
} // namespace Dune
 
#endif // DUNE_COMMON_STDTHREAD_HH