diff options
Diffstat (limited to 'sysdeps/powerpc/nptl/elide.h')
| -rw-r--r-- | sysdeps/powerpc/nptl/elide.h | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/sysdeps/powerpc/nptl/elide.h b/sysdeps/powerpc/nptl/elide.h index 77bd82ecba..f26bf3d382 100644 --- a/sysdeps/powerpc/nptl/elide.h +++ b/sysdeps/powerpc/nptl/elide.h @@ -1,5 +1,5 @@ /* elide.h: Generic lock elision support for powerpc. - Copyright (C) 2015-2016 Free Software Foundation, Inc. + Copyright (C) 2015-2018 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 @@ -19,7 +19,6 @@ #ifndef ELIDE_PPC_H # define ELIDE_PPC_H -#ifdef ENABLE_LOCK_ELISION # include <htm.h> # include <elision-conf.h> @@ -102,6 +101,9 @@ __elide_unlock (int is_lock_free) { if (is_lock_free) { + /* This code is expected to crash when trying to unlock a lock not + held by this thread. More information is available in the + __pthread_rwlock_unlock() implementation. */ __libc_tend (0); return true; } @@ -111,12 +113,4 @@ __elide_unlock (int is_lock_free) # define ELIDE_UNLOCK(is_lock_free) \ __elide_unlock (is_lock_free) -# else - -# define ELIDE_LOCK(adapt_count, is_lock_free) 0 -# define ELIDE_TRYLOCK(adapt_count, is_lock_free, write) 0 -# define ELIDE_UNLOCK(is_lock_free) 0 - -#endif /* ENABLE_LOCK_ELISION */ - #endif |