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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-20 08:33:03 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-24 09:37:27 +0200 |
| commit | 381ef5c83393d3707cf74f40f1edc2d0404c3ee6 (patch) | |
| tree | 2d2322cafe7a2af779d73eeadb55c1d366b4b50e /cpukit/sapi/include | |
| parent | rtems: Simplify RTEMS_MILLISECONDS_TO_MICROSECONDS (diff) | |
| download | rtems-381ef5c83393d3707cf74f40f1edc2d0404c3ee6.tar.bz2 | |
confdefs: Warn about problematic ticks per second
A non-integer clock ticks per second value may lead to inaccurate time
format conversions.
Update #3117.
Update #3182.
Diffstat (limited to 'cpukit/sapi/include')
| -rwxr-xr-x | cpukit/sapi/include/confdefs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cpukit/sapi/include/confdefs.h b/cpukit/sapi/include/confdefs.h index 3dfcf9b2d5..13e97c9487 100755 --- a/cpukit/sapi/include/confdefs.h +++ b/cpukit/sapi/include/confdefs.h @@ -2287,6 +2287,10 @@ extern rtems_initialization_tasks_table Initialization_tasks[]; RTEMS_MILLISECONDS_TO_MICROSECONDS(10) #endif + #if 1000000 % CONFIGURE_MICROSECONDS_PER_TICK != 0 + #warning "The clock ticks per second is not an integer" + #endif + #define _CONFIGURE_TICKS_PER_SECOND (1000000 / CONFIGURE_MICROSECONDS_PER_TICK) /** The configures the number of clock ticks per timeslice. */ |