atomic_int64_dec_and_test

Description:

[ CCode ( cname = "gpseq_atomic_int64_dec_and_test" ) ]
public bool atomic_int64_dec_and_test (ref int64 atomic)

Decrements the value of atomic by 1.

Think of this operation as an atomic version of:

  { *atomic -= 1; return (*atomic == 0); }

This call acts as a full compiler and hardware memory barrier.

Parameters:

atomic

a pointer to a int64 or uint64

Returns:

%TRUE if the resultant value is zero


Namespace: Gpseq
Package: gpseq-1.0