1ace9bad4SMark Rutlandcat <<EOF 2*765dcd20SMarco Elverstatic __always_inline ${ret} 3ace9bad4SMark Rutland${atomic}_dec_if_positive(${atomic}_t *v) 4ace9bad4SMark Rutland{ 5ace9bad4SMark Rutland ${int} dec, c = ${atomic}_read(v); 6ace9bad4SMark Rutland 7ace9bad4SMark Rutland do { 8ace9bad4SMark Rutland dec = c - 1; 9ace9bad4SMark Rutland if (unlikely(dec < 0)) 10ace9bad4SMark Rutland break; 11ace9bad4SMark Rutland } while (!${atomic}_try_cmpxchg(v, &c, dec)); 12ace9bad4SMark Rutland 13ace9bad4SMark Rutland return dec; 14ace9bad4SMark Rutland} 15ace9bad4SMark RutlandEOF 16