Function NFS_Allocate

benchmarks/tbb/cache_aligned_allocator.cpp:181–200

#endif

void* NFS_Allocate( size_t n, size_t element_size, void* /*hint*/ ) {
    size_t m = NFS_LineSize;
    __TBB_ASSERT( m<=NFS_MaxLineSize, "illegal value for NFS_LineSize" );
    __TBB_ASSERT( (m & (m-1))==0, "must be power of two" );
    size_t bytes = n*element_size;

    if (bytes<n || bytes+m<bytes) {
        // Overflow
        throw_exception(eid_bad_alloc);
    }
    // scalable_aligned_malloc considers zero size request an error, and returns NULL
    if (bytes==0) bytes = 1;
    
    void* result = (*padded_allocate_handler)( bytes, m );
    if (!result)
        throw_exception(eid_bad_alloc);

    __TBB_ASSERT( ((size_t)result&(m-1)) == 0, "The address returned isn't aligned to cache line size" );
    return result;
}

void NFS_Free( void* p ) {
    (*padded_free_handler)( p );