syscall.sh / s390x / eventfd2

eventfd2

create a file descriptor for event notification

sys_eventfd2(unsigned int count, int flags)
number323 (0x143)
abicommon
entry pointsys_eventfd2
sinceLinux 4.16
man pageeventfd2(2)
sourceelixir.bootlin.com

Registers

registervalue
r1323, the syscall number
r2unsigned int count
r3int flags
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/eventfd2