From 039890a67818211dba8207feab3832b0fcc391d2 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 14 May 2014 15:32:18 -0700 Subject: Move remaining files out of nptl/sysdeps/unix/sysv/linux/x86/. --- sysdeps/unix/sysv/linux/x86/elision-unlock.c | 33 ++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/x86/elision-unlock.c (limited to 'sysdeps/unix/sysv/linux/x86/elision-unlock.c') diff --git a/sysdeps/unix/sysv/linux/x86/elision-unlock.c b/sysdeps/unix/sysv/linux/x86/elision-unlock.c new file mode 100644 index 0000000..b9be19c --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86/elision-unlock.c @@ -0,0 +1,33 @@ +/* elision-unlock.c: Commit an elided pthread lock. + Copyright (C) 2013-2014 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include "pthreadP.h" +#include "lowlevellock.h" +#include "hle.h" + +int +__lll_unlock_elision(int *lock, int private) +{ + /* When the lock was free we're in a transaction. + When you crash here you unlocked a free lock. */ + if (*lock == 0) + _xend(); + else + lll_unlock ((*lock), private); + return 0; +} -- cgit v1.1