Files
rk35xx-android14/kernel-6.1/scripts/atomic/fallbacks/dec_unless_positive
T
hmz007 36ed224bac Rockchip Anroid14_SDK 20240628-rkr5 (2556df1a)
Signed-off-by: hmz007 <hmz007@gmail.com>
Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
2024-10-29 18:12:02 +08:00

15 lines
249 B
Plaintext
Executable File

cat <<EOF
static __always_inline bool
arch_${atomic}_dec_unless_positive(${atomic}_t *v)
{
${int} c = arch_${atomic}_read(v);
do {
if (unlikely(c > 0))
return false;
} while (!arch_${atomic}_try_cmpxchg(v, &c, c - 1));
return true;
}
EOF