r0 = creat(&(0x7f0000000080)='./cgroup/cgroup.procs\x00', 0x0)
pwritev2(r0, &(0x7f00000003c0)=[{&(0x7f0000000240)='-', 0x1}], 0x1, 0x0, 0x0, 0x0)