diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/Makefile.in | 14 | ||||
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/atomic.c | 44 |
2 files changed, 58 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/Makefile.in b/rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/Makefile.in new file mode 100644 index 00000000..28cc1b6d --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/Makefile.in @@ -0,0 +1,14 @@ +srcdir = @srcdir@ +VPATH = @srcdir@ + +TARGETS = atomic.lo + +# bring in rules.mk for standard functionality +@INCLUDE_RULES@ + +INCDIR=../../include +OSDIR=$(INCDIR)/arch/@OSDIR@ +DEFOSDIR=$(INCDIR)/arch/@DEFAULT_OSDIR@ +INCLUDES=-I$(INCDIR) -I$(OSDIR) -I$(DEFOSDIR) + +# DO NOT REMOVE diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/atomic.c b/rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/atomic.c new file mode 100644 index 00000000..ce971e3f --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/atomic/os390/atomic.c @@ -0,0 +1,44 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#include "apr.h" +#include "apr_atomic.h" + +#if APR_HAS_THREADS + +apr_int32_t apr_atomic_add(volatile apr_atomic_t *mem, apr_int32_t val) +{ + apr_atomic_t old, new_val; + + old = *mem; /* old is automatically updated on cs failure */ + do { + new_val = old + val; + } while (__cs(&old, (cs_t *)mem, new_val)); + + return new_val; +} + +apr_uint32_t apr_atomic_cas(volatile apr_atomic_t *mem, apr_uint32_t swap, + apr_uint32_t cmp) +{ + apr_uint32_t old = cmp; + + __cs(&old, (cs_t *)mem, swap); + return old; /* old is automatically updated from mem on cs failure */ +} + +#endif /* APR_HAS_THREADS */ |