syscall.sh / csky / waitid

waitid

wait for process to change state

sys_waitid(int which, pid_t pid, struct siginfo *infop, int options, struct rusage *ru)
number95 (0x5f)
abicommon
entry pointsys_waitid
sinceLinux 4.20
man pagewaitid(2)
sourceelixir.bootlin.com

Registers

registervalue
r795, the syscall number
a0int which
a1pid_t pid
a2struct siginfo *infop
a3int options
r4struct rusage *ru
a0the return value

Then run trap 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/csky/waitid