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/include/rtems/score/percpu.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/include/rtems/score/percpu.h')
-rw-r--r-- | cpukit/score/include/rtems/score/percpu.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h index 9ce68ef7b1..5ab2567a2b 100644 --- a/cpukit/score/include/rtems/score/percpu.h +++ b/cpukit/score/include/rtems/score/percpu.h @@ -231,10 +231,12 @@ typedef struct { * This structure is used to hold per core state information. */ typedef struct Per_CPU_Control { - /** - * @brief CPU port specific control. - */ - CPU_Per_CPU_control cpu_per_cpu; + #if CPU_PER_CPU_CONTROL_SIZE > 0 + /** + * @brief CPU port specific control. + */ + CPU_Per_CPU_control cpu_per_cpu; + #endif #if (CPU_ALLOCATE_INTERRUPT_STACK == TRUE) || \ (CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE) |