syscall.sh / x64 / rt_sigaction

rt_sigaction

examine and change a signal action

sys_rt_sigaction(int sig, const struct sigaction *act, struct sigaction *oact, size_t sigsetsize)
number13 (0xd)
abi64
entry pointsys_rt_sigaction
sinceLinux 3.3
man pagert_sigaction(2)
sourceelixir.bootlin.com

Registers

registervalue
rax13, the syscall number
rdiint sig
rsiconst struct sigaction *act
rdxstruct sigaction *oact
r10size_t sigsetsize
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x64/rt_sigaction