check if starcraft started successfully

src/instance.rs

@@ -94,7 +94,16 @@ impl Instance {
             .arg("-windowHeight")
             .arg(window.h.to_string());
 
-        self.child = Some(cmd.spawn()?);
+        let mut child = cmd.spawn()?;
+        std::thread::sleep(std::time::Duration::from_millis(50));
+        if let Ok(Some(status)) = child.try_wait() {
+            if !status.success() {
+                println!("{:?}", child.wait_with_output().unwrap());
+                bail!(ErrorKind::CantStartExe);
+            }
+        }
+        self.child = Some(child);
+        //self.child = Some(cmd.spawn()?);
 
         Ok(())
     }

src/lib.rs

@@ -201,6 +201,11 @@ error_chain! {
             description("Executable was not supplied to the coordinator")
             display("StarCraft II exe was not specified")
         }
+        /// Executable was not supplied to the coordinator.
+        CantStartExe {
+            description("Executable couldn't start")
+            display("StarCraft II exe couldn't start")
+        }
         /// Executable supplied to the coordinator does not exist.
         ExeDoesNotExist(exe: PathBuf) {
             description("Executable supplied to the coordinator does not exist")