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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-09-23 06:52:33 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-09-23 06:57:03 +0200 |
commit | 9149c87ec724ed4e3f45762e771c12f81c3f5a33 (patch) | |
tree | 3687ac319c3bf27729dc56da77541a5194ffe708 /cpukit/score/cpu/no_cpu/rtems/score/cpu.h | |
parent | arm/tms570: document BSP setup with included hardware initialization. (diff) | |
download | rtems-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.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 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 */ |