Add DisableSetpgid call.

redox-rt/src/proc.rs

@@ -444,6 +444,15 @@ where
             &[ProcCall::Rename as u64],
         );
     }
+
+    // TODO: Error handling
+    let _ = proc_call(
+        **proc_fd,
+        &mut [],
+        CallFlags::empty(),
+        &[ProcCall::DisableSetpgid as u64],
+    );
+
     if interp_override.is_some() {
         let mmap_min_fd = FdGuard::new(syscall::dup(*grants_fd, b"mmap-min-addr")?);
         let last_addr = tree.iter().rev().nth(1).map_or(0, |(off, len)| *off + *len);

redox-rt/src/protocol.rs

@@ -36,6 +36,7 @@ pub enum ProcCall {
     Sigdeq = 11,
     Getppid = 12,
     Rename = 13,
+    DisableSetpgid = 14,
 }
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
 #[repr(usize)]
@@ -63,6 +64,7 @@ impl ProcCall {
             11 => Self::Sigdeq,
             12 => Self::Getppid,
             13 => Self::Rename,
+            14 => Self::DisableSetpgid,
             _ => return None,
         })
     }