1ace9bad4SMark Rutlandcat <<EOF
2ace9bad4SMark Rutlandstatic 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
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