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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh18
1 files changed, 0 insertions, 18 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh
index 56392d049b1..2fc8d7ee58d 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh
@@ -73,24 +73,6 @@ typedef CRITICAL_SECTION hb_mutex_impl_t;
#define hb_mutex_impl_finish(M) DeleteCriticalSection (M)
-#elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
-
-#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_YIELD)
-# include <sched.h>
-# define HB_SCHED_YIELD() sched_yield ()
-#else
-# define HB_SCHED_YIELD() HB_STMT_START {} HB_STMT_END
-#endif
-
-/* This actually is not a totally awful implementation. */
-typedef volatile int hb_mutex_impl_t;
-#define HB_MUTEX_IMPL_INIT 0
-#define hb_mutex_impl_init(M) *(M) = 0
-#define hb_mutex_impl_lock(M) HB_STMT_START { while (__sync_lock_test_and_set((M), 1)) HB_SCHED_YIELD (); } HB_STMT_END
-#define hb_mutex_impl_unlock(M) __sync_lock_release (M)
-#define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END
-
-
#elif defined(HB_NO_MT)
typedef int hb_mutex_impl_t;