syscall.sh / alpha / sigaction

sigaction

examine and change a signal action

sys_osf_sigaction(int sig, const struct osf_sigaction *act, struct osf_sigaction *oact)
number156 (0x9c)
abicommon
entry pointsys_osf_sigaction
sinceLinux 5.0
man pagesigaction(2)
sourceelixir.bootlin.com

Registers

registervalue
v0156, the syscall number
a0int sig
a1const struct osf_sigaction *act
a2struct osf_sigaction *oact
v0the return value

Then run callsys to enter the kernel.

Same syscall on other architectures

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