Update.

2003-02-05  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/pthread/bits/libc-lock.h (__libc_once): Set control
	variable for non-libpthread case to the same value the
	pthread_once function would use.

1 files changed, 78 insertions, 0 deletions

diff --git a/nptl/sysdeps/s390/bits/atomic.h b/nptl/sysdeps/s390/bits/atomic.h
new file mode 100644
index 0000000000..375ae0d5e7
--- /dev/null
+++ b/nptl/sysdeps/s390/bits/atomic.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
+
+   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.  */
+
+#include <stdint.h>
+
+typedef int8_t atomic8_t;
+typedef uint8_t uatomic8_t;
+typedef int_fast8_t atomic_fast8_t;
+typedef uint_fast8_t uatomic_fast8_t;
+
+typedef int16_t atomic16_t;
+typedef uint16_t uatomic16_t;
+typedef int_fast16_t atomic_fast16_t;
+typedef uint_fast16_t uatomic_fast16_t;
+
+typedef int32_t atomic32_t;
+typedef uint32_t uatomic32_t;
+typedef int_fast32_t atomic_fast32_t;
+typedef uint_fast32_t uatomic_fast32_t;
+
+typedef int64_t atomic64_t;
+typedef uint64_t uatomic64_t;
+typedef int_fast64_t atomic_fast64_t;
+typedef uint_fast64_t uatomic_fast64_t;
+
+typedef intptr_t atomicptr_t;
+typedef uintptr_t uatomicptr_t;
+typedef intmax_t atomic_max_t;
+typedef uintmax_t uatomic_max_t;
+
+
+#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \
+  ({ unsigned int *__mem = (unsigned int *) (mem);			      \
+     unsigned int __old = (unsigned int) (oldval);			      \
+     unsigned int __cmp = __old;					      \
+     __asm __volatile ("cs %0,%2,%1"					      \
+		       : "+d" (__old), "=Q" (*__mem)			      \
+		       : "d" (newval), "m" (*__mem) : "cc" );		      \
+     __cmp != __old; })
+
+#ifdef __s390x__
+# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
+  ({ unsigned long int *__mem = (unsigned long int *) (mem);		      \
+     unsigned long int __old = (unsigned long int) (oldval);		      \
+     unsigned long int __cmp = __old;					      \
+     __asm __volatile ("csg %0,%2,%1"					      \
+		       : "+d" (__old), "=Q" (*__mem)			      \
+		       : "d" (newval), "m" (*__mem) : "cc" );		      \
+     __cmp != __old; })
+#else
+/* For 31 bit we do not really need 64-bit compare-and-exchange. We can
+   implement them by use of the csd instruction. The straightforward
+   implementation causes warnings so we skip the definition for now.  */
+# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
+  (abort (), 0)
+#endif