mirror of
https://github.com/containers/youki
synced 2024-09-27 22:49:57 +02:00
33 lines
1.0 KiB
Rust
33 lines
1.0 KiB
Rust
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use std::ffi::CString;
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use anyhow::Result;
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use nix::unistd;
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pub fn do_exec(path: &str, args: &[String]) -> Result<()> {
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let p = CString::new(path.to_string()).unwrap();
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let a: Vec<CString> = args
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.iter()
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.map(|s| CString::new(s.to_string()).unwrap_or_default())
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.collect();
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unistd::execvp(&p, &a)?;
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Ok(())
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}
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// TODO implement
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pub fn set_name(_name: &str) -> Result<()> {
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// prctl::set_name(name).expect("set name failed.");
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// unsafe {
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// let init = std::ffi::CString::new(name).expect("invalid process name");
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// // let len = std::ffi::CStr::from_ptr(*ARGV).to_bytes().len();
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// let len = std::ffi::CStr::from_ptr(0 as *mut i8).to_bytes().len();
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// // after fork, ARGV points to the thread's local
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// // copy of arg0.
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// // libc::strncpy(*ARGV, init.as_ptr(), len);
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// libc::strncpy(0 as *mut i8, init.as_ptr(), len);
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// // no need to set the final character to 0 since
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// // the initial string was already null-terminated.
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// }
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Ok(())
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}
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