diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-09-23 06:52:33 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-09-23 06:59:59 +0200 |
| commit | 75a6584a43a9ab4170376d31fe4041bbaaa7f547 (patch) | |
| tree | f8e7d7dede0664a23e7c559125ca3196241e2335 /cpukit/score/cpu/no_cpu/rtems/score/cpu.h | |
| parent | libdl: Fix cache corruption bugs. (diff) | |
| download | rtems-75a6584a43a9ab4170376d31fe4041bbaaa7f547.tar.bz2 | |
score: Fix C/C++ compatibility issue
Only use CPU_Per_CPU_control if it contains at least one filed. In GNU
C empty structures have a size of zero. In C++ structures have a
non-zero size. In case CPU_PER_CPU_CONTROL_SIZE is defined to zero,
then this structure is not used anymore.
Close #2789.
Diffstat (limited to 'cpukit/score/cpu/no_cpu/rtems/score/cpu.h')
| -rw-r--r-- | cpukit/score/cpu/no_cpu/rtems/score/cpu.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h b/cpukit/score/cpu/no_cpu/rtems/score/cpu.h index f556087f25..2f507bfb95 100644 --- a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h +++ b/cpukit/score/cpu/no_cpu/rtems/score/cpu.h @@ -478,7 +478,11 @@ extern "C" { * @brief The CPU specific per-CPU control. * * The CPU port can place here all state information that must be available and - * maintained for each CPU in the system. + * maintained for each processor in the system. This structure must contain at + * least one field for C/C++ compatibility. In GNU C empty structures have a + * size of zero. In C++ structures have a non-zero size. In case + * CPU_PER_CPU_CONTROL_SIZE is defined to zero, then this structure is not + * used. */ typedef struct { /* CPU specific per-CPU state */ |