2 * Copyright (c) 2015-2018 François Tigeot <ftigeot@wolfpond.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #ifndef _LINUX_SCHED_H_
28 #define _LINUX_SCHED_H_
30 #include <linux/capability.h>
31 #include <linux/threads.h>
32 #include <linux/kernel.h>
33 #include <linux/types.h>
34 #include <linux/jiffies.h>
35 #include <linux/cpumask.h>
36 #include <linux/errno.h>
37 #include <linux/mm_types.h>
41 #include <linux/compiler.h>
42 #include <linux/completion.h>
43 #include <linux/pid.h>
44 #include <linux/rcupdate.h>
45 #include <linux/rculist.h>
47 #include <linux/time.h>
48 #include <linux/timer.h>
49 #include <linux/hrtimer.h>
50 #include <linux/gfp.h>
52 #include <sys/param.h>
53 #include <sys/systm.h>
55 #include <sys/sched.h>
56 #include <sys/signal2.h>
58 #define TASK_RUNNING 0
59 #define TASK_INTERRUPTIBLE 1
60 #define TASK_UNINTERRUPTIBLE 2
63 * schedule_timeout - sleep until timeout
64 * @timeout: timeout value in jiffies
67 schedule_timeout(signed long timeout)
72 kprintf("schedule_timeout(): timeout cannot be negative\n");
76 tsleep(&dummy, 0, "lstim", timeout);
81 #define TASK_COMM_LEN MAXCOMLEN
83 #define signal_pending(lp) CURSIG(lp)
86 * local_clock: fast time source, monotonic on the same cpu
88 static inline uint64_t
94 return (ts.tv_sec * NSEC_PER_SEC) + ts.tv_nsec;
97 #define MAX_SCHEDULE_TIMEOUT LONG_MAX
106 wake_up_process(struct proc *tsk) {
107 /* Among other things, this function is supposed to act as
115 signal_pending_state(long state, struct lwp *lp)
117 sigset_t pending_set;
119 if (!(state & TASK_INTERRUPTIBLE))
122 pending_set = lwp_sigpend(lp);
124 return SIGISMEMBER(pending_set, SIGKILL);
127 /* Explicit rescheduling in order to reduce latency */
135 #endif /* _LINUX_SCHED_H_ */