+++ /dev/null
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * Lustre curproc API implementation for Linux kernel
- *
- * Copyright (C) 2004 Cluster File Systems, Inc.
- * Author: Nikita Danilov <nikita@clusterfs.com>
- *
- * This file is part of Lustre, http://www.lustre.org.
- *
- * Lustre is free software; you can redistribute it and/or modify it under the
- * terms of version 2 of the GNU General Public License as published by the
- * Free Software Foundation. Lustre 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 Lustre; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/sched.h>
-
-#define DEBUG_SUBSYSTEM S_LNET
-
-#include <libcfs/libcfs.h>
-
-/*
- * Implementation of cfs_curproc API (see portals/include/libcfs/curproc.h)
- * for Linux kernel.
- */
-
-uid_t cfs_curproc_uid(void)
-{
- return current->uid;
-}
-
-gid_t cfs_curproc_gid(void)
-{
- return current->gid;
-}
-
-uid_t cfs_curproc_fsuid(void)
-{
- return current->fsuid;
-}
-
-gid_t cfs_curproc_fsgid(void)
-{
- return current->fsgid;
-}
-
-pid_t cfs_curproc_pid(void)
-{
- return current->pid;
-}
-
-int cfs_curproc_groups_nr(void)
-{
- int nr;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,4)
- task_lock(current);
- nr = current->group_info->ngroups;
- task_unlock(current);
-#else
- nr = current->ngroups;
-#endif
- return nr;
-}
-
-void cfs_curproc_groups_dump(gid_t *array, int size)
-{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,4)
- task_lock(current);
- size = min_t(int, size, current->group_info->ngroups);
- memcpy(array, current->group_info->blocks[0], size * sizeof(__u32));
- task_unlock(current);
-#else
- LASSERT(size <= NGROUPS);
- size = min_t(int, size, current->ngroups);
- memcpy(array, current->groups, size * sizeof(__u32));
-#endif
-}
-
-
-int cfs_curproc_is_in_groups(gid_t gid)
-{
- return in_group_p(gid);
-}
-
-mode_t cfs_curproc_umask(void)
-{
- return current->fs->umask;
-}
-
-char *cfs_curproc_comm(void)
-{
- return current->comm;
-}
-
-cfs_kernel_cap_t cfs_curproc_cap_get(void)
-{
- return current->cap_effective;
-}
-
-void cfs_curproc_cap_set(cfs_kernel_cap_t cap)
-{
- current->cap_effective = cap;
-}
-
-EXPORT_SYMBOL(cfs_curproc_uid);
-EXPORT_SYMBOL(cfs_curproc_pid);
-EXPORT_SYMBOL(cfs_curproc_gid);
-EXPORT_SYMBOL(cfs_curproc_fsuid);
-EXPORT_SYMBOL(cfs_curproc_fsgid);
-EXPORT_SYMBOL(cfs_curproc_umask);
-EXPORT_SYMBOL(cfs_curproc_comm);
-EXPORT_SYMBOL(cfs_curproc_groups_nr);
-EXPORT_SYMBOL(cfs_curproc_groups_dump);
-EXPORT_SYMBOL(cfs_curproc_is_in_groups);
-EXPORT_SYMBOL(cfs_curproc_cap_get);
-EXPORT_SYMBOL(cfs_curproc_cap_set);
-
-/*
- * Local variables:
- * c-indentation-style: "K&R"
- * c-basic-offset: 8
- * tab-width: 8
- * fill-column: 80
- * scroll-step: 1
- * End:
- */