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Diffstat (limited to 'src/common/compiler_extensions.h')
| -rw-r--r-- | src/common/compiler_extensions.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/common/compiler_extensions.h b/src/common/compiler_extensions.h new file mode 100644 index 000000000..2fd8f5c2d --- /dev/null +++ b/src/common/compiler_extensions.h @@ -0,0 +1,30 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2011 New Dream Network + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + * + */ + +#ifndef CEPH_COMPILER_EXTENSIONS_H +#define CEPH_COMPILER_EXTENSIONS_H + +/* We should be able to take advantage of nice nonstandard features of gcc + * and other compilers, but still maintain portability. + */ + +#ifdef __GNUC__ +// GCC +#define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) +#else +// some other compiler - just make it a no-op +#define WARN_UNUSED_RESULT +#endif + +#endif |