[linux-block.git] / scripts / atomic / fallbacks / dec_if_positive

cat <<EOF
static __always_inline ${ret}
arch_${atomic}_dec_if_positive(${atomic}_t *v)
{
	${int} dec, c = arch_${atomic}_read(v);

	do {
		dec = c - 1;
		if (unlikely(dec < 0))
			break;
	} while (!arch_${atomic}_try_cmpxchg(v, &c, dec));

	return dec;
}
EOF
Commit	Line	Data
ace9bad4	1	cat <<EOF
765dcd20	2	static __always_inline ${ret}
f3e615b4	3	arch_${atomic}_dec_if_positive(${atomic}_t *v)
ace9bad4	4	{
f3e615b4	5	${int} dec, c = arch_${atomic}_read(v);
ace9bad4 MR	6
	7	do {
	8	dec = c - 1;
	9	if (unlikely(dec < 0))
	10	break;
f3e615b4	11	} while (!arch_${atomic}_try_cmpxchg(v, &c, dec));
ace9bad4 MR	12
	13	return dec;
	14	}
	15	EOF