1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * libcfs/include/libcfs/libcfs_prim.h
42 #ifndef __LIBCFS_PRIM_H__
43 #define __LIBCFS_PRIM_H__
48 void cfs_schedule_timeout(cfs_task_state_t state, int64_t timeout);
49 void cfs_schedule(void);
50 void cfs_pause(cfs_duration_t ticks);
51 int cfs_need_resched(void);
52 void cfs_cond_resched(void);
57 void cfs_waitq_init(cfs_waitq_t *waitq);
58 void cfs_waitlink_init(cfs_waitlink_t *link);
59 void cfs_waitq_add(cfs_waitq_t *waitq, cfs_waitlink_t *link);
60 void cfs_waitq_add_exclusive(cfs_waitq_t *waitq,
61 cfs_waitlink_t *link);
62 void cfs_waitq_del(cfs_waitq_t *waitq, cfs_waitlink_t *link);
63 int cfs_waitq_active(cfs_waitq_t *waitq);
64 void cfs_waitq_signal(cfs_waitq_t *waitq);
65 void cfs_waitq_signal_nr(cfs_waitq_t *waitq, int nr);
66 void cfs_waitq_broadcast(cfs_waitq_t *waitq);
67 void cfs_waitq_wait(cfs_waitlink_t *link, cfs_task_state_t state);
68 int64_t cfs_waitq_timedwait(cfs_waitlink_t *link, cfs_task_state_t state,
74 typedef void (cfs_timer_func_t)(ulong_ptr_t);
76 void cfs_init_timer(cfs_timer_t *t);
77 void cfs_timer_init(cfs_timer_t *t, cfs_timer_func_t *func, void *arg);
78 void cfs_timer_done(cfs_timer_t *t);
79 void cfs_timer_arm(cfs_timer_t *t, cfs_time_t deadline);
80 void cfs_timer_disarm(cfs_timer_t *t);
81 int cfs_timer_is_armed(cfs_timer_t *t);
82 cfs_time_t cfs_timer_deadline(cfs_timer_t *t);