linux/scripts/atomic/fallbacks/add_unless

17 lines
458 B
Plaintext
Executable File

cat << EOF
/**
* ${arch}${atomic}_add_unless - add unless the number is already a given value
* @v: pointer of type ${atomic}_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
*
* Atomically adds @a to @v, if @v was not already @u.
* Returns true if the addition was done.
*/
static __always_inline bool
${arch}${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u)
{
return ${arch}${atomic}_fetch_add_unless(v, a, u) != u;
}
EOF