Sign in
zircon-guest
/
third_party
/
linux
/
5c5c563a0817f565611ead1e4f60d1198a89647f
/
.
/
scripts
/
atomic
/
fallbacks
/
inc_unless_negative
blob: 95d8ce48233ff4569bd67dab82c655c8ae1c6db2 [
file
] [
log
] [
blame
]
cat
<<
EOF
static
__always_inline
bool
arch_$
{
atomic
}
_inc_unless_negative
(
$
{
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