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| -rw-r--r-- | CHANGELOG.md | 4 | ||||
| -rw-r--r-- | src/sys/ptrace/linux.rs | 15 |
2 files changed, 19 insertions, 0 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index 00a72fdb..d0f6b087 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5,6 +5,10 @@ This project adheres to [Semantic Versioning](http://semver.org/). ## [Unreleased] - ReleaseDate ### Added +- Added `ptrace::seize()`: similar to `attach()` on Linux + but with better-defined semantics. + (#[1154](https://github.com/nix-rust/nix/pull/1154)) + - Added `Signal::as_str()`: returns signal name as `&'static str` (#[1138](https://github.com/nix-rust/nix/pull/1138)) diff --git a/src/sys/ptrace/linux.rs b/src/sys/ptrace/linux.rs index b2b984c3..ffe23d71 100644 --- a/src/sys/ptrace/linux.rs +++ b/src/sys/ptrace/linux.rs @@ -315,6 +315,21 @@ pub fn attach(pid: Pid) -> Result<()> { } } +/// Attach to a running process, as with `ptrace(PTRACE_SEIZE, ...)` +/// +/// Attaches to the process specified in pid, making it a tracee of the calling process. +#[cfg(all(target_os = "linux", not(any(target_arch = "mips", target_arch = "mips64"))))] +pub fn seize(pid: Pid, options: Options) -> Result<()> { + unsafe { + ptrace_other( + Request::PTRACE_SEIZE, + pid, + ptr::null_mut(), + options.bits() as *mut c_void, + ).map(drop) // ignore the useless return value + } +} + /// Detaches the current running process, as with `ptrace(PTRACE_DETACH, ...)` /// /// Detaches from the process specified in pid allowing it to run freely |