flock on ia32

apply or remove an advisory lock on an open file

sys_flock(unsigned int fd, unsigned int cmd)
number143 (0x8f)
abii386
entry pointsys_flock
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pageflock(2)
sourceelixir.bootlin.com

Registers

registervalue
eax143, the syscall number
ebxunsigned int fd
ecxunsigned int cmd
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/flock