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confdefs: Warn about problematic ticks per second

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A non-integer clock ticks per second value may lead to inaccurate time
format conversions.

Update #3117.
Update #3182.
This commit is contained in:
Sebastian Huber
2017-10-20 08:33:03 +02:00
parent e0dc6efcf0
commit 381ef5c833
1 changed files with 4 additions and 0 deletions
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4
cpukit/sapi/include/confdefs.h
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@@ -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. */