Fixed a few bugs and refactored privileged helper so that file descri…

…ptor is passed back.

helper_subprocess/fileport.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2010 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#ifndef _SYS_FILEPORT_H_
+#define _SYS_FILEPORT_H_
+
+#include <sys/_types.h>
+#include <sys/cdefs.h>
+
+#ifndef KERNEL
+
+__BEGIN_DECLS
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+
+#ifndef _FILEPORT_T
+#define _FILEPORT_T
+typedef __darwin_mach_port_t fileport_t;
+#define FILEPORT_NULL	((fileport_t)0)
+#endif /* _FILEPORT_T */
+
+int	fileport_makeport(int, fileport_t *);
+int	fileport_makefd(fileport_t);
+
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+
+__END_DECLS
+
+#endif /* !KERNEL */
+
+#endif	/* !_SYS_FILEPORT_H_ */