diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sh/nptl/pthread_spin_trylock.S')
| -rw-r--r-- | REORG.TODO/sysdeps/sh/nptl/pthread_spin_trylock.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sh/nptl/pthread_spin_trylock.S b/REORG.TODO/sysdeps/sh/nptl/pthread_spin_trylock.S new file mode 100644 index 0000000000..524dbf9533 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/nptl/pthread_spin_trylock.S @@ -0,0 +1,31 @@ +/* Copyright (C) 2003-2017 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 <pthread-errnos.h> + + .globl pthread_spin_trylock + .type pthread_spin_trylock,@function + .align 5 +pthread_spin_trylock: + tas.b @r4 + bf/s 1f + mov #EBUSY, r0 + mov #0, r0 +1: + rts + nop + .size pthread_spin_trylock,.-pthread_spin_trylock |