forked from Mirrors/freeswitch
71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
|
/* 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"
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
APR_DECLARE(apr_status_t) apr_atomic_init(apr_pool_t *pool)
|
||
|
|
{
|
||
|
|
return APR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(apr_uint32_t) apr_atomic_add32(volatile apr_uint32_t *mem, apr_uint32_t val)
|
||
|
|
{
|
||
|
|
return atomic_xchgadd((unsigned long *)mem,(unsigned long)val);
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(void) apr_atomic_sub32(volatile apr_uint32_t *mem, apr_uint32_t val)
|
||
|
|
{
|
||
|
|
atomic_sub((unsigned long *)mem,(unsigned long)val);
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(apr_uint32_t) apr_atomic_inc32(volatile apr_uint32_t *mem)
|
||
|
|
{
|
||
|
|
return atomic_xchgadd((unsigned long *)mem, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(void) apr_atomic_set32(volatile apr_uint32_t *mem, apr_uint32_t val)
|
||
|
|
{
|
||
|
|
*mem = val;
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(apr_uint32_t) apr_atomic_read32(volatile apr_uint32_t *mem)
|
||
|
|
{
|
||
|
|
return *mem;
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(apr_uint32_t) apr_atomic_cas32(volatile apr_uint32_t *mem, apr_uint32_t with,apr_uint32_t cmp)
|
||
|
|
{
|
||
|
|
return atomic_cmpxchg((unsigned long *)mem,(unsigned long)cmp,(unsigned long)with);
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(apr_uint32_t) apr_atomic_xchg32(volatile apr_uint32_t *mem, apr_uint32_t val)
|
||
|
|
{
|
||
|
|
return atomic_xchg((unsigned long *)mem,(unsigned long)val);
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(int) apr_atomic_dec32(volatile apr_uint32_t *mem)
|
||
|
|
{
|
||
|
|
return (atomic_xchgadd((unsigned long *)mem, 0xFFFFFFFF) - 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
APR_DECLARE(void *) apr_atomic_casptr(volatile void **mem, void *with, const void *cmp)
|
||
|
|
{
|
||
|
|
return (void*)atomic_cmpxchg((unsigned long *)mem,(unsigned long)cmp,(unsigned long)with);
|
||
|
|
}
|