syscall.sh / x64 / eventfd

eventfd

create a file descriptor for event notification

sys_eventfd(unsigned int count)
number284 (0x11c)
abicommon
entry pointsys_eventfd
sinceLinux 3.3
man pageeventfd(2)
sourceelixir.bootlin.com

Registers

registervalue
rax284, the syscall number
rdiunsigned int count
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x64/eventfd