diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c b/nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c deleted file mode 100644 index 9ceae3ee1e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c +++ /dev/null @@ -1,38 +0,0 @@ -/* Commit an elided pthread lock. - Copyright (C) 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 - <http://www.gnu.org/licenses/>. */ - -#include <pthreadP.h> -#include <lowlevellock.h> - -int -__lll_unlock_elision(int *futex, int private) -{ - /* If the lock is free, we elided the lock earlier. This does not - necessarily mean that we are in a transaction, because the user code may - have closed the transaction, but that is impossible to detect reliably. */ - if (*futex == 0) - { - __asm__ volatile (".machinemode \"zarch_nohighgprs\"\n\t" - ".machine \"all\"" - : : : "memory"); - __builtin_tend(); - } - else - lll_unlock ((*futex), private); - return 0; -} |