Prepare SPL repo to merge with ZFS repo

[mirror_spl.git] / include / spl / sys / sid.h

diff --git a/include/spl/sys/sid.h b/include/spl/sys/sid.h
new file mode 100644 (file)
index 0000000..731b62c
--- /dev/null
+++ b/include/spl/sys/sid.h
@@ -0,0 +1,61 @@
+/*
+ *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
+ *  Copyright (C) 2007 The Regents of the University of California.
+ *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
+ *  UCRL-CODE-235197
+ *
+ *  This file is part of the SPL, Solaris Porting Layer.
+ *  For details, see <http://zfsonlinux.org/>.
+ *
+ *  The SPL is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or (at your
+ *  option) any later version.
+ *
+ *  The SPL is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _SPL_SID_H
+#define        _SPL_SID_H
+
+typedef struct ksiddomain {
+       char            *kd_name;
+} ksiddomain_t;
+
+typedef enum ksid_index {
+       KSID_USER,
+       KSID_GROUP,
+       KSID_OWNER,
+       KSID_COUNT
+} ksid_index_t;
+
+typedef int ksid_t;
+
+static inline ksiddomain_t *
+ksid_lookupdomain(const char *dom)
+{
+       ksiddomain_t *kd;
+       int len = strlen(dom);
+
+       kd = kmem_zalloc(sizeof (ksiddomain_t), KM_SLEEP);
+       kd->kd_name = kmem_zalloc(len + 1, KM_SLEEP);
+       memcpy(kd->kd_name, dom, len);
+
+       return (kd);
+}
+
+static inline void
+ksiddomain_rele(ksiddomain_t *ksid)
+{
+       kmem_free(ksid->kd_name, strlen(ksid->kd_name) + 1);
+       kmem_free(ksid, sizeof (ksiddomain_t));
+}
+
+#endif /* _SPL_SID_H */