r0 = mq_open(&(0x7f0000005c00)='-@\x00', 0x0, 0x0, 0x0)
mq_notify(r0, &(0x7f0000000080)={0x0, 0x0, 0x1})
readv(r0, &(0x7f0000000040)=[{&(0x7f0000000280)=""/120, 0x78}], 0x1)