ptrace: add PTRACE_O_EXITKILL option

It is a somewhat newer option -- it requires Linux 3.8. Is there a more precise way to specify that?
nix-rust · Sep 24, 2017 · 5558214 · 5558214
1 parent 9f4db8a
commit 5558214
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/sys/ptrace.rs b/src/sys/ptrace.rs
@@ -116,6 +116,10 @@ libc_bitflags! {
         /// Stop tracee when a SECCOMP_RET_TRACE rule is triggered. See `man seccomp` for more
         /// details.
         PTRACE_O_TRACESECCOMP;
+        /// Send a SIGKILL to the tracee if the tracer exits.  This is useful
+        /// for ptrace jailers to prevent tracees from escaping their control.
+        #[cfg(target_os = "linux")]
+        PTRACE_O_EXITKILL;
     }
 }