ptrace$setopts(0x4200, 0x0, 0x0, 0x13)
prctl$PR_GET_SECUREBITS(0x1b)
r0 = fork()
wait4(r0, &(0x7f0000000040), 0x80000000, &(0x7f0000000080))
ptrace$getsig(0x4202, r0, 0x0, &(0x7f0000000140))
r1 = fork()
rt_tgsigqueueinfo(0x0, r1, 0x16, &(0x7f0000000500)={0x39, 0x4})