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The condition variables support relies on kernel entry points to enforce critical aspects of it's expected behavior. Some of these entry points are not available prior to VxWorks 6, so we just expose absence of support for condition variables on such systems. 2020-10-15 Rasmus Villemoes <rv@rasmusvillemoes.dk> libgcc/ * config/gthr-vxworks.h: Condition the __GTHREAD_HAS_COND section on VxWorks >= 6. * config/gthr-vxworks-cond.c: Condition the entire implementation on __GTHREAD_HAS_COND.
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