eventfd2 on ia32

create a file descriptor for event notification

sys_eventfd2(unsigned int count, int flags)
number328 (0x148)
abii386
kconfigCONFIG_EVENTFD
entry pointsys_eventfd2
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pageeventfd2(2)
sourceelixir.bootlin.com

Registers

registervalue
eax328, the syscall number
ebxunsigned int count
ecxint flags
eaxthe return value

Then run int 0x80 to enter the kernel.

This compat ABI is only available when the kernel is built with CONFIG_IA32_EMULATION.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/ia32/eventfd2