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authorSebastian Huber <sebastian.huber@embedded-brains.de>2016-09-23 06:52:33 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2016-09-23 06:57:03 +0200
commit9149c87ec724ed4e3f45762e771c12f81c3f5a33 (patch)
tree3687ac319c3bf27729dc56da77541a5194ffe708 /cpukit/score/cpu/no_cpu/rtems/score/cpu.h
parentarm/tms570: document BSP setup with included hardware initialization. (diff)
downloadrtems-9149c87ec724ed4e3f45762e771c12f81c3f5a33.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.
Diffstat (limited to 'cpukit/score/cpu/no_cpu/rtems/score/cpu.h')
-rw-r--r--cpukit/score/cpu/no_cpu/rtems/score/cpu.h6
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 8309bb8b80..a2ae652f60 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
+++ b/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
@@ -411,7 +411,11 @@ 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 */