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-rw-r--r--sysdeps/generic/malloc-machine.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/sysdeps/generic/malloc-machine.h b/sysdeps/generic/malloc-machine.h
index 03e9de5fd8..851978a4de 100644
--- a/sysdeps/generic/malloc-machine.h
+++ b/sysdeps/generic/malloc-machine.h
@@ -1,6 +1,6 @@
 /* Basic platform-independent macro definitions for mutexes,
    thread-specific data and parameters for malloc.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+   Copyright (C) 2003-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -34,10 +34,11 @@
    be based on atomic test-and-set operations, for example. */
 typedef int mutex_t;
 
-# define mutex_init(m)              (*(m) = 0)
-# define mutex_lock(m)              ((*(m) = 1), 0)
-# define mutex_trylock(m)           (*(m) ? 1 : ((*(m) = 1), 0))
-# define mutex_unlock(m)            (*(m) = 0)
+# define mutex_init(m)          (*(m) = 0)
+# define mutex_lock(m)          ((*(m) = 1), 0)
+# define mutex_trylock(m)       (*(m) ? 1 : ((*(m) = 1), 0))
+# define mutex_unlock(m)        (*(m) = 0)
+# define MUTEX_INITIALIZER      (0)
 
 typedef void *tsd_key_t;
 # define tsd_key_create(key, destr) do {} while(0)