summaryrefslogtreecommitdiff
path: root/sys
diff options
context:
space:
mode:
Diffstat (limited to 'sys')
-rw-r--r--sys/kern/kern_synch.c14
-rw-r--r--sys/sys/proc.h15
2 files changed, 16 insertions, 13 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c
index 5d15d0e23a2..612718375b6 100644
--- a/sys/kern/kern_synch.c
+++ b/sys/kern/kern_synch.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kern_synch.c,v 1.89 2009/04/14 09:13:25 art Exp $ */
+/* $OpenBSD: kern_synch.c,v 1.90 2009/06/02 23:05:31 guenther Exp $ */
/* $NetBSD: kern_synch.c,v 1.37 1996/04/22 01:38:37 christos Exp $ */
/*
@@ -102,7 +102,7 @@ int safepri;
* call should be interrupted by the signal (return EINTR).
*/
int
-tsleep(void *ident, int priority, const char *wmesg, int timo)
+tsleep(const volatile void *ident, int priority, const char *wmesg, int timo)
{
struct sleep_state sls;
int error, error1;
@@ -141,7 +141,8 @@ tsleep(void *ident, int priority, const char *wmesg, int timo)
* entered the sleep queue we drop the mutex. After sleeping we re-lock.
*/
int
-msleep(void *ident, struct mutex *mtx, int priority, const char *wmesg, int timo)
+msleep(const volatile void *ident, struct mutex *mtx, int priority,
+ const char *wmesg, int timo)
{
struct sleep_state sls;
int error, error1, spl;
@@ -176,7 +177,8 @@ msleep(void *ident, struct mutex *mtx, int priority, const char *wmesg, int tim
}
void
-sleep_setup(struct sleep_state *sls, void *ident, int prio, const char *wmesg)
+sleep_setup(struct sleep_state *sls, const volatile void *ident, int prio,
+ const char *wmesg)
{
struct proc *p = curproc;
@@ -345,7 +347,7 @@ unsleep(struct proc *p)
* Make a number of processes sleeping on the specified identifier runnable.
*/
void
-wakeup_n(void *ident, int n)
+wakeup_n(const volatile void *ident, int n)
{
struct slpque *qp;
struct proc *p;
@@ -385,7 +387,7 @@ wakeup_n(void *ident, int n)
* Make all processes sleeping on the specified identifier runnable.
*/
void
-wakeup(void *chan)
+wakeup(const volatile void *chan)
{
wakeup_n(chan, -1);
}
diff --git a/sys/sys/proc.h b/sys/sys/proc.h
index 9b004d7cf7e..be766faa946 100644
--- a/sys/sys/proc.h
+++ b/sys/sys/proc.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: proc.h,v 1.117 2009/04/17 15:17:27 blambert Exp $ */
+/* $OpenBSD: proc.h,v 1.118 2009/06/02 23:05:31 guenther Exp $ */
/* $NetBSD: proc.h,v 1.44 1996/04/22 01:23:21 christos Exp $ */
/*-
@@ -194,7 +194,7 @@ struct proc {
u_int p_estcpu; /* Time averaged value of p_cpticks. */
int p_cpticks; /* Ticks of cpu time. */
fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */
- void *p_wchan; /* Sleep address. */
+ const volatile void *p_wchan;/* Sleep address. */
struct timeout p_sleep_to;/* timeout for tsleep() */
const char *p_wmesg; /* Reason for sleep. */
u_int p_swtime; /* Time swapped in or out. */
@@ -426,8 +426,8 @@ void procinit(void);
void resetpriority(struct proc *);
void setrunnable(struct proc *);
void unsleep(struct proc *);
-void wakeup_n(void *chan, int);
-void wakeup(void *chan);
+void wakeup_n(const volatile void *, int);
+void wakeup(const volatile void *);
#define wakeup_one(c) wakeup_n((c), 1)
void reaper(void);
void exit1(struct proc *, int, int);
@@ -449,7 +449,8 @@ struct sleep_state {
int sls_sig;
};
-void sleep_setup(struct sleep_state *, void *, int, const char *);
+void sleep_setup(struct sleep_state *, const volatile void *, int,
+ const char *);
void sleep_setup_timeout(struct sleep_state *, int);
void sleep_setup_signal(struct sleep_state *, int);
void sleep_finish(struct sleep_state *, int);
@@ -457,8 +458,8 @@ int sleep_finish_timeout(struct sleep_state *);
int sleep_finish_signal(struct sleep_state *);
void sleep_queue_init(void);
-int tsleep(void *, int, const char *, int);
-int msleep(void *, struct mutex *, int, const char*, int);
+int tsleep(const volatile void *, int, const char *, int);
+int msleep(const volatile void *, struct mutex *, int, const char*, int);
#if defined(MULTIPROCESSOR)
void proc_trampoline_mp(void); /* XXX */