/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
+void __unlock(volatile int *);
int __lockfile(FILE *);
void __unlockfile(FILE *);
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
-#define UNLOCK(x) (*(volatile int *)(x)=0)
+#define UNLOCK(x) (libc.threads_minus_1 ? (__unlock(x),1) : ((void)(x),1))
void __synccall(void (*)(void *), void *);
void __synccall_wait(void);