Remove unused hb_mutex_trylock()

diff --git a/src/hb-mutex-private.hh b/src/hb-mutex-private.hh
index 3cc47e9..49750d5 100644 (file)
--- a/src/hb-mutex-private.hh
+++ b/src/hb-mutex-private.hh
@@ -49,7 +49,6 @@ typedef GStaticMutex hb_mutex_t;
 #define HB_MUTEX_INIT                  G_STATIC_MUTEX_INIT
 #define hb_mutex_init(M)               g_static_mutex_init (M)
 #define hb_mutex_lock(M)               g_static_mutex_lock (M)
-#define hb_mutex_trylock(M)            g_static_mutex_trylock (M)
 #define hb_mutex_unlock(M)             g_static_mutex_unlock (M)
 #define hb_mutex_free(M)               g_static_mutex_free (M)
 
@@ -62,7 +61,6 @@ typedef CRITICAL_SECTION hb_mutex_t;
 #define HB_MUTEX_INIT                          { NULL, 0, 0, NULL, NULL, 0 }
 #define hb_mutex_init(M)                       InitializeCriticalSection (M)
 #define hb_mutex_lock(M)                       EnterCriticalSection (M)
-#define hb_mutex_trylock(M)                    TryEnterCriticalSection (M)
 #define hb_mutex_unlock(M)                     LeaveCriticalSection (M)
 #define hb_mutex_free(M)                       DeleteCriticalSection (M)
 
@@ -75,7 +73,6 @@ typedef struct { volatile int m; } hb_mutex_t;
 #define HB_MUTEX_INIT                          0
 #define hb_mutex_init(M)                       ((void) ((M)->m = 0))
 #define hb_mutex_lock(M)                       ((void) ((M)->m = 1))
-#define hb_mutex_trylock(M)                    ((M)->m = 1, 1)
 #define hb_mutex_unlock(M)                     ((void) ((M)->m = 0))
 #define hb_mutex_free(M)                       ((void) ((M)-M = 2))