syscall.sh / sh / ssetmask

ssetmask

manipulation of signal mask (obsolete)

sys_ssetmask(int newmask)

number	69 (0x45)
abi	common
entry point	`sys_ssetmask`
since	Linux 5.0
man page	ssetmask(2)
source	elixir.bootlin.com

Registers

register	value
`r3`	69, the syscall number
`r4`	int newmask
`r0`	the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

x86 69
ppc64 69
ppc 69
mipso32 4069
m68k 69
microblaze 69
parisc 69
sparc 200
sparc64 200

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