syscall.sh / s390x / sigprocmask

sigprocmask

examine and change blocked signals

sys_sigprocmask(int how, old_sigset_t *nset, old_sigset_t *oset)
number126 (0x7e)
abicommon
entry pointsys_sigprocmask
sinceLinux 4.16
man pagesigprocmask(2)
sourceelixir.bootlin.com

Registers

registervalue
r1126, the syscall number
r2int how
r3old_sigset_t *nset
r4old_sigset_t *oset
r2the return value

Then run svc 0 to enter the kernel.

Same syscall on other architectures

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