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use libc::{self, c_int, c_ulong};

use nix::errno::Errno;
use nix::Result;

/// Apply an operation on a process
/// [prctl(2)](http://man7.org/linux/man-pages/man2/prctl.2.html)
///
/// prctl is called with a first argument describing what to do,
/// further arguments with a significance depending on the first one.
pub fn prctl(
    option: c_int,
    arg2: c_ulong,
    arg3: c_ulong,
    arg4: c_ulong,
    arg5: c_ulong,
) -> Result<()> {
    let res = unsafe { libc::prctl(option, arg2, arg3, arg4, arg5) };

    Errno::result(res).map(drop)
}