* subshell.c (synchronize): Workaround for Cygwin (should not be

needed for the next version) - remove SIGCHLD blocking from
old_mask.

src/ChangeLog

@@ -1,5 +1,9 @@
 2002-08-19  Pavel Roskin  <proski@gnu.org>
 
+	* subshell.c (synchronize): Workaround for Cygwin (should not be
+	needed for the next version) - remove SIGCHLD blocking from
+	old_mask.
+
 	* dlg.h: Remove all unused flags for create_dlg().  Adjust all
 	dependencies.
 

src/subshell.c

@@ -1039,6 +1039,12 @@ static void synchronize (void)
     sigaddset (&sigchld_mask, SIGCHLD);
     sigprocmask (SIG_BLOCK, &sigchld_mask, &old_mask);
 
+    /*
+     * SIGCHLD should not be blocked, but we unblock it just in case.
+     * This is known to be useful for cygwin 1.3.12 and older.
+     */
+    sigdelset (&old_mask, SIGCHLD);
+
     /* Wait until the subshell has stopped */
     while (subshell_alive && !subshell_stopped)
 	sigsuspend (&old_mask);