Struct ProcessHandle

pub struct ProcessHandle(/* private fields */);

A handle to a running process. This is not a process ID on all platforms.

For convenience, this crate implements TryFrom-backed conversions from Pid to ProcessHandle.

Examples

use read_process_memory::*;
use std::convert::TryInto;
use std::io;

fn pid_to_handle(pid: Pid) -> io::Result<ProcessHandle> {
    Ok(pid.try_into()?)
}

This operation is not guaranteed to succeed. Specifically, on Windows OpenProcess may fail. On macOS task_for_pid will generally fail unless run as root, and even then it may fail when called on certain programs; it may however run without root on the current process. On Linux a ProcessHandle is just a libc::pid_t.

Trait Implementations

impl Clone for ProcessHandle

fn clone(&self) -> ProcessHandle

Returns a duplicate of the value.

const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl CopyAddress for ProcessHandle

fn copy_address(&self, addr: usize, buf: &mut [u8]) -> Result<()>

Try to copy buf.len() bytes from addr in the process self, placing them in buf.

impl TryFrom<&Child> for ProcessHandle

A process::Child always has a pid, which is all we need on Linux.

type Error = Error

The type returned in the event of a conversion error.

fn try_from(child: &Child) -> Result<Self>

Performs the conversion.

impl TryFrom<i32> for ProcessHandle

On Linux, process handle is a pid.

type Error = Error

The type returned in the event of a conversion error.

fn try_from(pid: Pid) -> Result<Self>

Performs the conversion.