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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2019-10-28 23:44:53 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2019-10-28 23:44:53 +0000
commit65b88a70ed4a3b2ee8da094d317b3d8119aec1d7 (patch)
tree9b8c76c1afc603f7bcb0377efabd7b06cdd43e5d /Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh
parent1631aaed733bf2365f99084b46113a982d918ebc (diff)
harfbuzz-2.6.3
git-svn-id: svn://tug.org/texlive/trunk@52560 c570f23f-e606-0410-a88d-b1316a301751
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.hh25
1 files changed, 6 insertions, 19 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 e1362673180..e7f8b1c434b 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh
@@ -92,25 +92,7 @@ typedef volatile int hb_mutex_impl_t;
#define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END
-#elif !defined(HB_NO_MT)
-
-#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
-
-#define HB_MUTEX_INT_NIL 1 /* Warn that fallback implementation is in use. */
-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 (*(M)) HB_SCHED_YIELD (); (*(M))++; } HB_STMT_END
-#define hb_mutex_impl_unlock(M) (*(M))--
-#define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END
-
-
-#else /* HB_NO_MT */
+#elif defined(HB_NO_MT)
typedef int hb_mutex_impl_t;
#define HB_MUTEX_IMPL_INIT 0
@@ -120,6 +102,11 @@ typedef int hb_mutex_impl_t;
#define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END
+#else
+
+#error "Could not find any system to define mutex macros."
+#error "Check hb-mutex.hh for possible resolutions."
+
#endif