1 /*=========================================================================== 2 * 3 * PUBLIC DOMAIN NOTICE 4 * National Center for Biotechnology Information 5 * 6 * This software/database is a "United States Government Work" under the 7 * terms of the United States Copyright Act. It was written as part of 8 * the author's official duties as a United States Government employee and 9 * thus cannot be copyrighted. This software/database is freely available 10 * to the public for use. The National Library of Medicine and the U.S. 11 * Government have not placed any restriction on its use or reproduction. 12 * 13 * Although all reasonable efforts have been taken to ensure the accuracy 14 * and reliability of the software and data, the NLM and the U.S. 15 * Government do not and cannot warrant the performance or results that 16 * may be obtained by using this software or data. The NLM and the U.S. 17 * Government disclaim all warranties, express or implied, including 18 * warranties of performance, merchantability or fitness for any particular 19 * purpose. 20 * 21 * Please cite the author in any work or product based on this material. 22 * 23 * =========================================================================== 24 * 25 */ 26 27 #ifndef _h_syslock_priv_ 28 #define _h_syslock_priv_ 29 30 /* BEGIN HACK to get rwlocks defined */ 31 #include <stdint.h> 32 #include <stddef.h> 33 34 #undef __USE_UNIX98 35 #define __USE_UNIX98 1 36 37 #undef __USE_XOPEN2K 38 #define __USE_XOPEN2K 1 39 /* END HACK */ 40 41 #include <pthread.h> 42 #include <atomic32.h> 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 /*-------------------------------------------------------------------------- 49 * KLock 50 * a POSIX-style mutual exclusion lock 51 */ 52 struct KLock 53 { 54 pthread_mutex_t mutex; 55 atomic32_t refcount; 56 }; 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* _h_syslock_priv_ */ 63