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sp_counted_base_aix.hpp: switch to lwsync and builtins. Refs #6308.

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[SVN r76123]
This commit is contained in:
Peter Dimov
2011-12-23 23:10:37 +00:00
parent faf212f4aa
commit 33ba2c4722
1 changed files with 6 additions and 5 deletions
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11
include/boost/smart_ptr/detail/sp_counted_base_aix.hpp
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@@ -21,11 +21,15 @@
//
#include <boost/detail/sp_typeinfo.hpp>
#include <builtins.h>
#include <sys/atomic_op.h>
namespace boost
{
namespace detail
{
inline void atomic_increment( int32_t* pw )
{
// ++*pw;
@@ -39,9 +43,9 @@ inline int32_t atomic_decrement( int32_t * pw )
int32_t originalValue;
__asm__ __volatile__( "sync" );
__lwsync();
originalValue = fetch_and_add( pw, -1 );
__asm__ __volatile__( "isync" );
__isync();
return (originalValue - 1);
}
@@ -59,9 +63,6 @@ inline int32_t atomic_conditional_increment( int32_t * pw )
}
}
namespace detail
{
class sp_counted_base
{
private: