__NR_waitid       959 sandbox/linux/services/arm_linux_syscalls.h #define __NR_waitid (__NR_SYSCALL_BASE+280)
__NR_waitid      1138 sandbox/linux/services/x86_32_linux_syscalls.h #define __NR_waitid 284
__NR_waitid      1002 sandbox/linux/services/x86_64_linux_syscalls.h #define __NR_waitid 247