--- jfbterm-0.4.7/term.c.hang	2006-07-27 17:19:12.000000000 +0900
+++ jfbterm-0.4.7/term.c	2006-07-28 01:01:42.000000000 +0900
@@ -77,6 +77,30 @@
 	int st;
 	int ret;
 	ret = wait(&st);
+
+	/* ???
+	   Comment by Mamoru Tasaka. Jul 28 2006
+	   
+	   Some race condition occurring??
+	   In some case, this sigchild wait(2) the process with
+	   id gChildProcessId + 1 and leave gChildProcessId a ZOMBIE
+	   process.
+	   
+	   In this case jfbterm never returns from tterm_start
+	   and hangs eternally.
+	   
+	   WORKARROND:
+	*/
+	if (gChildProcessId && (ret != ECHILD) 
+	    && (ret != gChildProcessId)){
+	  /* Well... It seems that this routine is sometimes called.
+	     I don't know why, however, if there is a case, this is
+	     necessary.
+	   */
+	  int status;
+	  ret = waitpid(gChildProcessId, &status, WNOHANG|WUNTRACED);
+	}
+
 	if (ret == gChildProcessId || ret == ECHILD) {
 		tvterm_unregister_signal();
 		tterm_final(&gTerm);