4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #define DEBUG_SUBSYSTEM S_LNET
38 #include <linux/module.h>
39 #include <linux/kernel.h>
40 #include <linux/fs_struct.h>
41 #include <linux/sched.h>
43 #include <libcfs/libcfs.h>
45 #if defined(CONFIG_KGDB)
49 void cfs_init_timer(struct timer_list *t)
53 EXPORT_SYMBOL(cfs_init_timer);
55 void cfs_timer_init(struct timer_list *t, cfs_timer_func_t *func, void *arg)
59 t->data = (unsigned long)arg;
61 EXPORT_SYMBOL(cfs_timer_init);
63 void cfs_timer_done(struct timer_list *t)
67 EXPORT_SYMBOL(cfs_timer_done);
69 void cfs_timer_arm(struct timer_list *t, cfs_time_t deadline)
71 mod_timer(t, deadline);
73 EXPORT_SYMBOL(cfs_timer_arm);
75 void cfs_timer_disarm(struct timer_list *t)
79 EXPORT_SYMBOL(cfs_timer_disarm);
81 int cfs_timer_is_armed(struct timer_list *t)
83 return timer_pending(t);
85 EXPORT_SYMBOL(cfs_timer_is_armed);
87 cfs_time_t cfs_timer_deadline(struct timer_list *t)
91 EXPORT_SYMBOL(cfs_timer_deadline);
93 void cfs_enter_debugger(void)
95 #if defined(CONFIG_KGDB)
103 cfs_block_allsigs(void)
108 spin_lock_irqsave(¤t->sighand->siglock, flags);
109 old = current->blocked;
110 sigfillset(¤t->blocked);
112 spin_unlock_irqrestore(¤t->sighand->siglock, flags);
116 sigset_t cfs_block_sigs(unsigned long sigs)
121 spin_lock_irqsave(¤t->sighand->siglock, flags);
122 old = current->blocked;
123 sigaddsetmask(¤t->blocked, sigs);
125 spin_unlock_irqrestore(¤t->sighand->siglock, flags);
129 /* Block all signals except for the @sigs */
130 sigset_t cfs_block_sigsinv(unsigned long sigs)
135 spin_lock_irqsave(¤t->sighand->siglock, flags);
136 old = current->blocked;
137 sigaddsetmask(¤t->blocked, ~sigs);
139 spin_unlock_irqrestore(¤t->sighand->siglock, flags);
144 cfs_restore_sigs(sigset_t old)
148 spin_lock_irqsave(¤t->sighand->siglock, flags);
149 current->blocked = old;
151 spin_unlock_irqrestore(¤t->sighand->siglock, flags);
155 cfs_signal_pending(void)
157 return signal_pending(current);
161 cfs_clear_sigpending(void)
165 spin_lock_irqsave(¤t->sighand->siglock, flags);
166 clear_tsk_thread_flag(current, TIF_SIGPENDING);
167 spin_unlock_irqrestore(¤t->sighand->siglock, flags);
171 libcfs_arch_init(void)
177 libcfs_arch_cleanup(void)
182 EXPORT_SYMBOL(libcfs_arch_init);
183 EXPORT_SYMBOL(libcfs_arch_cleanup);
184 EXPORT_SYMBOL(cfs_enter_debugger);
185 EXPORT_SYMBOL(cfs_block_allsigs);
186 EXPORT_SYMBOL(cfs_block_sigs);
187 EXPORT_SYMBOL(cfs_block_sigsinv);
188 EXPORT_SYMBOL(cfs_restore_sigs);
189 EXPORT_SYMBOL(cfs_signal_pending);
190 EXPORT_SYMBOL(cfs_clear_sigpending);