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authorThomas Schwinge <thomas@schwinge.name>2012-05-10 14:50:14 -0700
committerRoland McGrath <roland@hack.frob.com>2012-05-10 15:57:24 -0700
commitbe971a2b1c7828d94c41edd5cd22c1d9dcef1b6e (patch)
tree6b30a52fdbc036f34167cb1cbf1236a0e792d022 /sysdeps/mach/bits
parent37233df9d1fa7a1a6ff3a72ce4f642b1a96de9ca (diff)
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Hurd: libc_once_get
Diffstat (limited to 'sysdeps/mach/bits')
-rw-r--r--sysdeps/mach/bits/libc-lock.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/mach/bits/libc-lock.h b/sysdeps/mach/bits/libc-lock.h
index 0a627e75ff..110e25e965 100644
--- a/sysdeps/mach/bits/libc-lock.h
+++ b/sysdeps/mach/bits/libc-lock.h
@@ -1,5 +1,5 @@
 /* libc-internal interface for mutex locks.  Mach cthreads version.
-   Copyright (C) 1996,97,98,2000,01, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1996-2012 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
@@ -115,6 +115,9 @@ struct __libc_once
     __libc_lock_unlock (ONCE_CONTROL.lock);				      \
   } while (0)
 
+/* Get once control variable.  */
+#define __libc_once_get(ONCE_CONTROL)	((ONCE_CONTROL).done != 0)
+
 #ifdef _LIBC
 /* We need portable names for some functions.  E.g., when they are
    used as argument to __libc_cleanup_region_start.  */