diff options
Diffstat (limited to 'sysdeps/x86/elide.h')
| -rw-r--r-- | sysdeps/x86/elide.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/x86/elide.h b/sysdeps/x86/elide.h index 47e89cfc8d..8691e6673d 100644 --- a/sysdeps/x86/elide.h +++ b/sysdeps/x86/elide.h @@ -1,5 +1,5 @@ /* elide.h: Generic lock elision support. - Copyright (C) 2014-2015 Free Software Foundation, Inc. + Copyright (C) 2014-2016 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 @@ -93,7 +93,9 @@ elision_adapt(signed char *adapt_count, unsigned int status) ret; \ }) -/* Returns true if lock defined by IS_LOCK_FREE was elided. */ +/* Returns true if lock defined by IS_LOCK_FREE was elided. The call + to _xend crashes if the application incorrectly tries to unlock a + lock which has not been locked. */ #define ELIDE_UNLOCK(is_lock_free) \ ({ \ |