[uClibc-cvs] uClibc/libpthread/linuxthreads/sysdeps/m68k stackinfo.h,NONE,1.1 pt-machine.h,1.2,1.3
Erik Andersen
andersen at codepoet.org
Thu Feb 27 18:13:25 UTC 2003
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Update of /var/cvs/uClibc/libpthread/linuxthreads/sysdeps/m68k
In directory winder:/tmp/cvs-serv18985/libpthread/linuxthreads/sysdeps/m68k
Modified Files:
pt-machine.h
Added Files:
stackinfo.h
Log Message:
Major update for pthreads, based in large part on improvements
from glibc 2.3. This should make threads much more efficient.
-Erik
--- NEW FILE: stackinfo.h ---
/* Copyright (C) 1999 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* This file contains a bit of information about the stack allocation
of the processor. */
#ifndef _STACKINFO_H
#define _STACKINFO_H 1
/* On m68k the stack grows down. */
#define _STACK_GROWS_DOWN 1
#endif /* stackinfo.h */
Index: pt-machine.h
===================================================================
RCS file: /var/cvs/uClibc/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- pt-machine.h 17 Sep 2002 02:08:25 -0000 1.2
+++ pt-machine.h 27 Feb 2003 18:12:50 -0000 1.3
@@ -1,41 +1,41 @@
/* Machine-dependent pthreads configuration and inline functions.
m68k version.
- Copyright (C) 1996, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth at tamu.edu>.
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
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
+ 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. */
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H 1
+
#ifndef PT_EI
# define PT_EI extern inline
#endif
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
/* Spinlock implementation; required. */
-PT_EI int
+PT_EI long int
testandset (int *spinlock)
{
char ret;
- __asm__ __volatile__(
-#ifdef __mcf5200__
- "bset #7,%1; sne %0"
-#else
- "tas %1; sne %0"
-#endif
+ __asm__ __volatile__("tas %1; sne %0"
: "=dm"(ret), "=m"(*spinlock)
: "m"(*spinlock)
: "cc");
@@ -52,7 +52,6 @@
/* Compare-and-swap for semaphores. */
-#ifndef __mcf5200__
#define HAS_COMPARE_AND_SWAP
PT_EI int
__compare_and_swap (long int *p, long int oldval, long int newval)
@@ -66,5 +65,5 @@
return ret;
}
-#endif
+#endif /* pt-machine.h */
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