r0 = mq_open(&(0x7f00000001c0)='{-@:\x00', 0x0, 0x0, 0x0)
preadv(r0, &(0x7f0000000580)=[{&(0x7f0000000280)=""/78, 0x4e}], 0x1, 0xb0, 0x0)