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authorRoland McGrath <roland@gnu.org>2005-07-03 04:40:34 +0000
committerRoland McGrath <roland@gnu.org>2005-07-03 04:40:34 +0000
commit88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b (patch)
tree41b73f55c91439f87d82e5d32b9d8e46e82ce3c1 /linuxthreads/sysdeps/mips/pspinlock.c
parentd19b1b4f2ff49e085b55e8564b52ca17b028e335 (diff)
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linuxthreads, linuxthreads_db: Directories removed (preserved in ports repository).
Diffstat (limited to 'linuxthreads/sysdeps/mips/pspinlock.c')
-rw-r--r--linuxthreads/sysdeps/mips/pspinlock.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/linuxthreads/sysdeps/mips/pspinlock.c b/linuxthreads/sysdeps/mips/pspinlock.c
deleted file mode 100644
index 350aa7553c..0000000000
--- a/linuxthreads/sysdeps/mips/pspinlock.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* POSIX spinlock implementation.  MIPS version.
-   Copyright (C) 2000, 2002, 2003, 2004 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; 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 <errno.h>
-#include <pthread.h>
-#include <sgidefs.h>
-#include <sys/tas.h>
-#include "internals.h"
-
-#include <sgidefs.h>
-
-/* This implementation is similar to the one used in the Linux kernel.  */
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
-  unsigned int tmp1, tmp2;
-
-  asm volatile
-    ("\t\t\t# spin_lock\n"
-     "1:\n\t"
-     ".set	push\n\t"
-#if _MIPS_SIM == _ABIO32
-     ".set	mips2\n\t"
-#endif
-     "ll	%1,%3\n\t"
-     "li	%2,1\n\t"
-     "bnez	%1,1b\n\t"
-     "sc	%2,%0\n\t"
-     ".set	pop\n\t"
-     "beqz	%2,1b"
-     : "=m" (*lock), "=&r" (tmp1), "=&r" (tmp2)
-     : "m" (*lock)
-     : "memory");
-
-  return 0;
-}
-
-weak_alias (__pthread_spin_lock, pthread_spin_lock)
-
-
-int
-__pthread_spin_trylock (pthread_spinlock_t *lock)
-{
-  /* To be done.  */
-  return 0;
-}
-weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
-
-
-int
-__pthread_spin_unlock (pthread_spinlock_t *lock)
-{
-  asm volatile
-    ("\t\t\t# spin_unlock\n\t"
-     "sw	$0,%0"
-     : "=m" (*lock)
-     :
-     : "memory");
-  return 0;
-}
-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.  */
-  *lock = 0;
-  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)