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authorJohn Birrell <jb@FreeBSD.org>2008-04-25 09:07:28 +0000
committerJohn Birrell <jb@FreeBSD.org>2008-04-25 09:07:28 +0000
commit1673e4046da975ab0e2bf67d45499930ebab0dbe (patch)
treefbf163b43c23077946bdecbb6686d7e25a090116 /cddl/contrib/opensolaris/tools/ctf/cvt/barrier.h
parent6ff6d951ade3f3379932df7f878ef3ea272cfc59 (diff)
parent38c68f8a196ef330599c13b5caa9d0bc5c5bff0c (diff)
downloadsrc-1673e4046da975ab0e2bf67d45499930ebab0dbe.tar.gz
src-1673e4046da975ab0e2bf67d45499930ebab0dbe.zip
This commit was generated by cvs2svn to compensate for changes in r178481,
which included commits to RCS files with non-trunk default branches.
Notes
Notes: svn path=/head/; revision=178482
Diffstat (limited to 'cddl/contrib/opensolaris/tools/ctf/cvt/barrier.h')
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diff --git a/cddl/contrib/opensolaris/tools/ctf/cvt/barrier.h b/cddl/contrib/opensolaris/tools/ctf/cvt/barrier.h
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+/*
+ * 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.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _BARRIER_H
+#define _BARRIER_H
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+/*
+ * APIs for the barrier synchronization primitive.
+ */
+
+#if defined(sun)
+#include <synch.h>
+#else
+#include <semaphore.h>
+typedef sem_t sema_t;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct barrier {
+ pthread_mutex_t bar_lock; /* protects bar_numin */
+ int bar_numin; /* current number of waiters */
+
+ sema_t bar_sem; /* where everyone waits */
+ int bar_nthr; /* # of waiters to trigger release */
+} barrier_t;
+
+extern void barrier_init(barrier_t *, int);
+extern int barrier_wait(barrier_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BARRIER_H */