quit when shell exits

term.py

@@ -1,15 +1,15 @@
 #!/usr/bin/python
+#
+# ./term.py term.rom /bin/bash
 
 from select import select
 from subprocess import Popen, PIPE, STDOUT
 import sys
 
-# TODO: byte-by-byte I/O is painful. figure out better buffering
-# that doesn't break everything
-
-# currently line-buffered
+# currently unbuffered
+#
+# TODO: figure out a more reasonable buffering strategy
 def run(args):
-    #return Popen(args, stdin=PIPE, stdout=PIPE, stderr=STDOUT, bufsize=1, universal_newlines=True)
     return Popen(args, stdin=PIPE, stdout=PIPE, stderr=STDOUT, bufsize=0)
 
 def main():
@@ -19,6 +19,8 @@ def main():
         print('')
         print('execute the given uxn terminal program (ROM)')
         print('and start a shell process (SHELL).')
+        print('')
+        print('example: %s term.rom /bin/bash' % sys.argv[0])
         sys.exit(1)
     rom = args[0]
     shell = args[1]
@@ -41,6 +43,11 @@ def main():
                 term.stdin.flush()
             else:
                 raise Exception('unexpected fileno: %d (expected %d or %d)' % (n, term_out, shell_out))
+    
+    if shell.poll() is None:
+        shell.kill()
+    if term.poll() is None:
+        term.kill()
 
 if __name__ == "__main__":
     main()