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85d6edb265
This reverts my change to pseudo_barrier.h which isn't necessary anymore after Fred's fix to debugserver and caused TestThreadStepOut to fail. llvm-svn: 370963
22 lines
788 B
C++
22 lines
788 B
C++
#include <atomic>
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// Note that although hogging the CPU while waiting for a variable to change
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// would be terrible in production code, it's great for testing since it avoids
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// a lot of messy context switching to get multiple threads synchronized.
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typedef std::atomic<int> pseudo_barrier_t;
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#define pseudo_barrier_wait(barrier) \
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do \
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{ \
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--(barrier); \
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while ((barrier).load() > 0) \
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; \
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} while (0)
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#define pseudo_barrier_init(barrier, count) \
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do \
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{ \
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(barrier) = (count); \
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} while (0)
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