syscall.sh / sh / waitid

waitid

wait for process to change state

sys_waitid(int which, pid_t pid, struct siginfo *infop, int options, struct rusage *ru)
number284 (0x11c)
abicommon
entry pointsys_waitid
sinceLinux 5.0
man pagewaitid(2)
sourceelixir.bootlin.com

Registers

registervalue
r3284, the syscall number
r4int which
r5pid_t pid
r6struct siginfo *infop
r7int options
r0struct rusage *ru
r0the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

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