flock_test_invalid
static void flock_test_invalid(lockinfo_t *, int, short, short,
flock_test_invalid(&flock_fileA, cmds[i], 200, 0, 0, 0);
flock_test_invalid(&flock_fileA, cmds[i], -1, 0, 0, 0);
flock_test_invalid(&flock_fileA, cmds[i], F_WRLCK, 1, 0, 0);
flock_test_invalid(&flock_fileA, cmds[i], F_WRLCK, 0, 1, 0);
flock_test_invalid(&flock_fileA, cmds[i], F_WRLCK, 0, 0, 1);