r0 = mq_open(&(0x7f0000005c00)='-@\x00', 0x0, 0x0, 0x0) preadv(r0, &(0x7f00000013c0)=[{&(0x7f0000000000)=""/238, 0xee}], 0x1, 0x0, 0x0)