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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 
     22 /*
     23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"@(#)locks.h	1.5	09/05/26 SMI"
     28 
     29 #ifndef _LOCKS_H
     30 #define	_LOCKS_H
     31 
     32 #include <pthread.h>
     33 
     34 #ifdef	__cplusplus
     35 extern "C" {
     36 #endif
     37 
     38 struct lock_funcs {
     39 	void (*enter)(off64_t off);
     40 	void (*exit)(off64_t off);
     41 	void (*getnext)(off64_t old, off64_t new);
     42 	void (*grab_all)(void);
     43 	void (*drop_all)(void);
     44 	void (*stdout_enter)(void);
     45 	void (*stdout_exit)(void);
     46 	void (*stderr_enter)(void);
     47 	void (*stderr_exit)(void);
     48 };
     49 extern struct lock_funcs *mutex;
     50 void init_locks(void);
     51 extern int init_shared_lock(pthread_mutex_t *lock);
     52 
     53 #ifdef	__cplusplus
     54 }
     55 #endif
     56 
     57 #endif /* _LOCKS_H */
     58