factor/vm/atomic-gcc.hpp

46 lines
1.2 KiB
C++

#define FACTOR_FORCE_INLINE __attribute__((always_inline)) inline
namespace factor {
namespace atomic {
__attribute__((always_inline))
inline static bool cas(volatile cell *ptr, cell old_val, cell new_val)
{
return __sync_bool_compare_and_swap(ptr, old_val, new_val);
}
__attribute__((always_inline))
inline static bool cas(volatile fixnum *ptr, fixnum old_val, fixnum new_val)
{
return __sync_bool_compare_and_swap(ptr, old_val, new_val);
}
__attribute__((always_inline))
inline static cell fetch_add(volatile cell *ptr, cell val)
{
return __sync_fetch_and_add(ptr, val);
}
__attribute__((always_inline))
inline static fixnum fetch_add(volatile fixnum *ptr, fixnum val)
{
return __sync_fetch_and_add(ptr, val);
}
__attribute__((always_inline))
inline static cell fetch_subtract(volatile cell *ptr, cell val)
{
return __sync_fetch_and_sub(ptr, val);
}
__attribute__((always_inline))
inline static fixnum fetch_subtract(volatile fixnum *ptr, fixnum val)
{
return __sync_fetch_and_sub(ptr, val);
}
__attribute__((always_inline))
inline static void fence()
{
__sync_synchronize();
}
}
}
#include "atomic.hpp"