From 0f5504179a2e37a20e409c48dcc8d640393cd16d Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 25 May 2000 06:15:25 +0000 Subject: Update. 2000-05-23 Jakub Jelinek * sysdeps/i386/fpu/bits/mathinline.h (__sincos, __sincosf, __sincosl): Guard with __USE_GNU. --- linuxthreads/sysdeps/powerpc/pspinlock.c | 66 ++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 linuxthreads/sysdeps/powerpc/pspinlock.c (limited to 'linuxthreads/sysdeps/powerpc') diff --git a/linuxthreads/sysdeps/powerpc/pspinlock.c b/linuxthreads/sysdeps/powerpc/pspinlock.c new file mode 100644 index 0000000000..6858ee1cf8 --- /dev/null +++ b/linuxthreads/sysdeps/powerpc/pspinlock.c @@ -0,0 +1,66 @@ +/* POSIX spinlock implementation. PowerPC version. + Copyright (C) 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include + + +int +__pthread_spin_lock (pthread_spinlock_t *lock) +{ + XXX +} +weak_alias (__pthread_spin_lock, pthread_spin_lock) + + +int +__pthread_spin_trylock (pthread_spinlock_t *lock) +{ + XXX +} +weak_alias (__pthread_spin_trylock, pthread_spin_trylock) + + +int +__pthread_spin_unlock (pthread_spinlock_t *lock) +{ + XXX +} +weak_alias (__pthread_spin_unlock, pthread_spin_unlock) + + +int +__pthread_spin_init (pthread_spinlock_t *lock, int pshared) +{ + /* We can ignore the `pshared' parameter. Since we are busy-waiting + all processes which can access the memory location `lock' points + to can use the spinlock. */ + XXX + return 0; +} +weak_alias (__pthread_spin_init, pthread_spin_init) + + +int +__pthread_spin_destroy (pthread_spinlock_t *lock) +{ + /* Nothing to do. */ + return 0; +} +weak_alias (__pthread_spin_destroy, pthread_spin_destroy) -- cgit 1.4.1