syscall.sh / s390x / sigsuspend

sigsuspend

wait for a signal

sys_sigsuspend(int unused1, int unused2, old_sigset_t mask)

number	72 (0x48)
abi	common
entry point	`sys_sigsuspend`
since	Linux 4.16
man page	sigsuspend(2)
source	elixir.bootlin.com

Registers

register	value
`r1`	72, the syscall number
`r2`	int unused1
`r3`	int unused2
`r4`	old_sigset_t mask
`r2`	the return value

Then run svc 0 to enter the kernel.

Same syscall on other architectures

x86 72
arm 72
ppc 72
mipso32 4072
alpha 111
m68k 72
sh 72
sparc 201
sparc64 201

Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/sigsuspend