commit | f7fbceda7390207781df450e65bdc61609fbac40 | [log] [tgz] |
---|---|---|
author | Andrew Walbran <qwandor@google.com> | Thu May 20 12:32:48 2021 +0000 |
committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Thu May 20 12:32:48 2021 +0000 |
tree | 025ddd060f0898ea511a83862896dbd7bf7f7795 | |
parent | 419ee4b117b9188216b22a0e586c54ae2e9292e4 [diff] | |
parent | 47ba52b6e2572dd6f6dd55cd25d3a4d635873eea [diff] |
Import command-fds crate. am: 9d6ae1aa28 am: 47ba52b6e2 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/command-fds/+/1711015 Change-Id: I5e07e16c33cda80180c1372b708033b141842814
A library for passing arbitrary file descriptors when spawning child processes.
use command_fds::{CommandFdExt, FdMapping}; use std::fs::File; use std::os::unix::io::AsRawFd; use std::process::Command; // Open a file. let file = File::open("Cargo.toml").unwrap(); // Prepare to run `ls -l /proc/self/fd` with some FDs mapped. let mut command = Command::new("ls"); command.arg("-l").arg("/proc/self/fd"); command .fd_mappings(vec![ // Map `file` as FD 3 in the child process. FdMapping { parent_fd: file.as_raw_fd(), child_fd: 3, }, // Map this process's stdin as FD 5 in the child process. FdMapping { parent_fd: 0, child_fd: 5, }, ]) .unwrap(); // Spawn the child process. let mut child = command.spawn().unwrap(); child.wait().unwrap();
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