X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=lib%2Fcompiler.h;h=9e9eb82783e3fc94c419b1e15975742709c27dd9;hb=47271d0d8d12c5689cd0103dc47b62913a515b36;hp=17e245fce770ac6d6ba5998d70942ef5e14386f8;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=openvswitch diff --git a/lib/compiler.h b/lib/compiler.h index 17e245fc..9e9eb827 100644 --- a/lib/compiler.h +++ b/lib/compiler.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,14 +17,22 @@ #ifndef COMPILER_H #define COMPILER_H 1 +#if __GNUC__ && !__CHECKER__ #define NO_RETURN __attribute__((__noreturn__)) -#define UNUSED __attribute__((__unused__)) -#define PACKED __attribute__((__packed__)) +#define OVS_UNUSED __attribute__((__unused__)) #define PRINTF_FORMAT(FMT, ARG1) __attribute__((__format__(printf, FMT, ARG1))) #define STRFTIME_FORMAT(FMT) __attribute__((__format__(__strftime__, FMT, 0))) #define MALLOC_LIKE __attribute__((__malloc__)) #define ALWAYS_INLINE __attribute__((always_inline)) -#define likely(x) __builtin_expect((x),1) -#define unlikely(x) __builtin_expect((x),0) +#define WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) +#else +#define NO_RETURN +#define OVS_UNUSED +#define PRINTF_FORMAT(FMT, ARG1) +#define STRFTIME_FORMAT(FMT) +#define MALLOC_LIKE +#define ALWAYS_INLINE +#define WARN_UNUSED_RESULT +#endif #endif /* compiler.h */