remoteprocess 0.5.2

cross platform api for getting information on a running processes
Documentation 
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use libc::{c_int, c_void, lwpid_t, pid_t};
use libc::{PT_ATTACH, PT_DETACH};

use std::io::Error;
use std::ptr;

macro_rules! ptrace {
    ($request:ident, $pid:expr, $addr:expr, $data:expr) => {
        unsafe {
            let ret = ptrace($request, $pid, $addr, $data);

            if ret < 0 {
                return Err(Error::last_os_error());
            }

            ret
        }
    };
}

extern "C" {
    fn ptrace(request: c_int, pid: pid_t, data: *const c_void, count: c_int) -> c_int;
}

pub fn attach(tid: lwpid_t) -> Result<(), Error> {
    ptrace!(PT_ATTACH, tid, ptr::null(), 0);

    Ok(())
}

pub fn detach(tid: lwpid_t) -> Result<(), Error> {
    ptrace!(PT_DETACH, tid, ptr::null(), 0);

    Ok(())
}