PR libgcj/23763. From aeby@graeff.com.

	* java/lang/natPosixProcess.cc (nativeSpawn): Unblock SIGCHLD
	before exec.

From-SVN: r106655

libjava/ChangeLog

+2005-11-08  Tom Tromey  <tromey@redhat.com>
+
+	PR libgcj/23763.  From aeby@graeff.com.
+	* java/lang/natPosixProcess.cc (nativeSpawn): Unblock SIGCHLD
+	before exec.
+
 2005-11-08  Mark Wielaard  <mark@klomp.org>
 
 	* scripts/makemake.tcl: Set package gnu/javax/sound/midi to bc.

libjava/java/lang/natPosixProcess.cc

 // natPosixProcess.cc - Native side of POSIX process code.
 
-/* Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -345,6 +345,12 @@ java::lang::ConcreteProcess::nativeSpawn ()
 		}
 	    }
 
+	  // Make sure that SIGCHLD is unblocked for the new process.
+	  sigset_t mask;
+	  sigemptyset (&mask);
+	  sigaddset (&mask, SIGCHLD);
+	  sigprocmask (SIG_UNBLOCK, &mask, NULL);
+
 	  execvp (args[0], args);
 
 	  // Send the parent notification that the exec failed.