close on ia32

close a file descriptor

sys_close(unsigned int fd)
number6 (0x6)
abii386
entry pointsys_close
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pageclose(2)
sourceelixir.bootlin.com

Registers

registervalue
eax6, the syscall number
ebxunsigned int fd
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/close