bool latch_is_set(const struct latch *);
void latch_wait_at(const struct latch *, const char *where);
-#define latch_wait(latch) latch_wait_at(latch, SOURCE_LOCATOR)
+#define latch_wait(latch) latch_wait_at(latch, OVS_SOURCE_LOCATOR)
#endif /* latch.h */