Show linux-lock.c syntax highlighted
typedef struct {
volatile unsigned int lock;
} spinlock_t;
#define SPIN_LOCK_UNLOCKED ($unlocked spinlock_t) { 1 }
#define spin_lock(x) (({assert_type(*(x), $unlocked spinlock_t); change_type(*(x), $locked spinlock_t);}))
#define spin_unlock(x) (({assert_type(*(x), $locked spinlock_t); change_type(*(x), $unlocked spinlock_t);}))
static spinlock_t rtc_lock = SPIN_LOCK_UNLOCKED;
int main(void) {
rtc_lock;
spin_lock(&rtc_lock);
rtc_lock;
spin_unlock(&rtc_lock);
rtc_lock;
}
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