Waitid(2) now has 5 arguments.
[linux-2.6] / arch / mips / kernel / scall64-o32.S
2005-10-29  Ralf BaechleUse generic compat_sys_wait4 to implement 32-bit wait4(2).
2005-04-16  Linus TorvaldsLinux-2.6.12-rc2 v2.6.12-rc2