semtimedop(0x0, &(0x7f0000000000)=[{0x0, 0xde98}, {}], 0x2, 0x0) semtimedop(0x0, &(0x7f0000000140)=[{0x4, 0x0, 0x1800}, {0x0, 0xfffb}], 0x2, &(0x7f0000000180)={0x0, 0x3938700})