diff options
Diffstat (limited to 'cpukit/score/include/rtems/system.h')
| -rw-r--r-- | cpukit/score/include/rtems/system.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/cpukit/score/include/rtems/system.h b/cpukit/score/include/rtems/system.h index d64d641f9d..7fb12a4bfb 100644 --- a/cpukit/score/include/rtems/system.h +++ b/cpukit/score/include/rtems/system.h @@ -7,7 +7,7 @@ */ /* - * COPYRIGHT (c) 1989-2006. + * COPYRIGHT (c) 1989-2007. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be @@ -124,6 +124,20 @@ extern "C" { #define RTEMS_COMPILER_MEMORY_BARRIER() #endif +/** + * The following macro is a compiler specific way to indicate that + * the method will NOT return to the caller. This can assist the + * compiler in code generation and avoid unreachable paths. This + * can impact the code generated following calls to + * rtems_fatal_error_occurred and _Internal_error_Occurred. + */ +#ifdef __GNUC__ + #define RTEMS_COMPILER_NO_RETURN_ATTRIBUTE \ + __attribute__ ((noreturn)) +#else + #define RTEMS_COMPILER_NO_RETURN_ATTRIBUTE +#endif + #ifdef RTEMS_POSIX_API /** The following is used by the POSIX implementation to catch bad paths. */ int POSIX_MP_NOT_IMPLEMENTED( void ); |