[Libsysio-commit] cray_tmp: libsysio/include creds.h

[Lee W. <lw...@us...>]

Update of /cvsroot/libsysio/libsysio/include
In directory sc8-pr-cvs6.sourceforge.net:/tmp/cvs-serv19643/include

Modified Files:
      Tag: cray_tmp
	creds.h 
Log Message:


Add definition for superuser, _SYSIO_ROOT_UID, and a macro to check
credentials for superuser, _sysio_is_root().

Use same in access control routine.


Index: creds.h
===================================================================
RCS file: /cvsroot/libsysio/libsysio/include/creds.h,v
retrieving revision 1.1
retrieving revision 1.1.6.1
diff -u -w -b -B -p -r1.1 -r1.1.6.1
--- creds.h	12 Dec 2006 00:48:58 -0000	1.1
+++ creds.h	29 Jun 2007 17:15:13 -0000	1.1.6.1
@@ -47,6 +47,11 @@
 #define _CREDS_H_
 
 /*
+ * Superuser's UID.
+ */
+#define _SYSIO_ROOT_UID	0
+
+/*
  * Data structure for user credentials
  */
 
@@ -56,4 +61,12 @@ struct creds {
 	int creds_ngids;
 };
 
+
+#ifdef _SYSIO_ROOT_UID
+/*
+ * Is caller the superuser?
+ */
+#define _sysio_is_root(_crp) \
+	((_crp)->creds_uid == _SYSIO_ROOT_UID)
+#endif
 #endif