summaryrefslogtreecommitdiffstats
path: root/cddl/contrib/opensolaris/head/synch.h
diff options
context:
space:
mode:
Diffstat (limited to 'cddl/contrib/opensolaris/head/synch.h')
-rw-r--r--cddl/contrib/opensolaris/head/synch.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/cddl/contrib/opensolaris/head/synch.h b/cddl/contrib/opensolaris/head/synch.h
index 8d825d5..eab9de8 100644
--- a/cddl/contrib/opensolaris/head/synch.h
+++ b/cddl/contrib/opensolaris/head/synch.h
@@ -2,9 +2,8 @@
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License"). You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
@@ -19,8 +18,9 @@
*
* CDDL HEADER END
*/
+
/*
- * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -81,12 +81,12 @@ typedef lwp_cond_t cond_t;
* Because we have to deal with C++, we cannot redefine this one as that one.
*/
typedef struct _rwlock {
- int32_t readers; /* -1 == writer else # of readers */
+ int32_t readers; /* rwstate word */
uint16_t type;
uint16_t magic;
- mutex_t mutex; /* used to indicate ownership */
- cond_t readercv; /* unused */
- cond_t writercv; /* unused */
+ mutex_t mutex; /* used with process-shared rwlocks */
+ cond_t readercv; /* used only to indicate ownership */
+ cond_t writercv; /* used only to indicate ownership */
} rwlock_t;
#ifdef __STDC__
@@ -111,6 +111,7 @@ int cond_signal(cond_t *);
int cond_broadcast(cond_t *);
int mutex_init(mutex_t *, int, void *);
int mutex_destroy(mutex_t *);
+int mutex_consistent(mutex_t *);
int mutex_lock(mutex_t *);
int mutex_trylock(mutex_t *);
int mutex_unlock(mutex_t *);
@@ -152,6 +153,7 @@ int cond_signal();
int cond_broadcast();
int mutex_init();
int mutex_destroy();
+int mutex_consistent();
int mutex_lock();
int mutex_trylock();
int mutex_unlock();
OpenPOWER on IntegriCloud