#define fcntl(fd, ...) failtest_fcntl((fd), __FILE__, __LINE__, __VA_ARGS__)
#undef mmap
+/* OpenBSD doesn't idempotent-protect sys/mman.h, so we can't add args. */
+#ifdef __OpenBSD__
+#define mmap(addr, length, prot, flags, fd, offset) \
+ failtest_mmap_noloc((addr), (length), (prot), (flags), (fd), (offset))
+#else
#define mmap(addr, length, prot, flags, fd, offset) \
failtest_mmap((addr), (length), (prot), (flags), (fd), (offset), \
__FILE__, __LINE__)
+#endif /* !__OpenBSD__ */
#undef lseek
#define lseek(fd, offset, whence) \