kernel-brax3-ubuntu-touch/scripts/atomic/fallbacks/dec_unless_positive
erascape f319b992b1 kernel-5.15: Initial import brax3 UT kernel
* halium configs enabled

Signed-off-by: erascape <erascape@proton.me>
2025-09-23 15:17:10 +00:00

14 lines
249 B
Text
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