MAX_CNT
} while (r < 0 && cnt <= MAX_CNT);
} while (r < 0 && cnt <= MAX_CNT);
} while (r <= 0 && cnt <= MAX_CNT);
} while (r < 0 && cnt <= MAX_CNT);
} while (r < 0 && cnt <= MAX_CNT);
} while (r < 0 && cnt <= MAX_CNT);
} while (r < 0 && cnt <= MAX_CNT);
while (*shm == 1 && cnt++ < MAX_CNT)
SM_TEST(cnt <= MAX_CNT);
while (*shm != 1 && cnt++ < MAX_CNT)
SM_TEST(cnt <= MAX_CNT);