syscall.sh / sh / eventfd2

eventfd2

create a file descriptor for event notification

sys_eventfd2(unsigned int count, int flags)
number328 (0x148)
abicommon
entry pointsys_eventfd2
sinceLinux 5.0
man pageeventfd2(2)
sourceelixir.bootlin.com

Registers

registervalue
r3328, the syscall number
r4unsigned int count
r5int flags
r0the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/sh/eventfd2