20743 futex(0xb5f9c140, FUTEX_WAKE_PRIVATE, 1) = 0
20743 futex(0x9a86ec0, FUTEX_WAIT_PRIVATE, 1, NULL) = 0
20742 futex(0x9f452c8, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x9f452c4, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
20742 futex(0x9f452c8, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x9f452c4, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
20752 futex(0x9f452f4, FUTEX_WAKE_PRIVATE, 1) = 0
20742 futex(0x9f452c8, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x9f452c4, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
20743 futex(0xbfc71130, FUTEX_WAKE_PRIVATE, 1) = 0
20743 futex(0x9914938, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 0x9914974, 2) = 1
20743 futex(0x9a86ec0, FUTEX_WAIT, 1, NULL) = 0