00001 /***************************************************************************** 00002 * Author: Valient Gough <vgough@pobox.com> 00003 * 00004 ***************************************************************************** 00005 * Copyright (c) 2002-2004, Valient Gough 00006 * 00007 * This library is free software; you can distribute it and/or modify it under 00008 * the terms of the GNU Lesser General Public License (LGPL), as published by 00009 * the Free Software Foundation; either version 2.1 of the License, or (at your 00010 * option) any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, but WITHOUT 00013 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00014 * FITNESS FOR A PARTICULAR PURPOSE. See the LGPL in the file COPYING for more 00015 * details. 00016 * 00017 */ 00018 00019 #ifndef _rlogconfig_incl_ 00020 #define _rlogconfig_incl_ 00021 00027 /* 00028 Defined by configure if our compiler allows us to specify printf attributes 00029 on a function pointer.. Newer versions of GCC allow this, but older ones 00030 do not.. 00031 */ 00032 #define HAVE_PRINTF_FP 1 00033 00034 /* 00035 Defined by configure if our compiler understands VARIADAC macros. 00036 */ 00037 #define C99_VARIADAC_MACROS 1 00038 #define PREC99_VARIADAC_MACROS 1 00039 00040 #define RLOG_TIME_TSC 1 00041 00042 /* 00043 We use __printf__ attribute to allow gcc to inspect printf style arguments 00044 and give warnings if the rDebug(), rWarning(), etc macros are misused. 00045 00046 We use __builtin_expect on GCC 2.96 and above to allow optimization of 00047 publication activation check. We tell the compiler that the branch is 00048 unlikely to occur, allowing GCC to push unecessary code out of the main 00049 path. 00050 */ 00051 #ifdef __GNUC__ 00052 00053 # define PRINTF(FMT,X) __attribute__ (( __format__ ( __printf__, FMT, X))) 00054 # define HAVE_PRINTF_ATTR 1 00055 00056 # if !defined( __builtin_expect ) 00057 # define __builtin_expect(x,expected_value) (x) 00058 # endif 00059 00060 # define likely(x) __builtin_expect((x),1) 00061 # define unlikely(x) __builtin_expect((x),0) 00062 00063 #else 00064 00065 // Not using the gcc compiler, make the macros do nothing.. They are 00066 // documented as the last instance of the macros.. 00067 00075 # define PRINTF(FMT,X) 00076 # define HAVE_PRINTF_ATTR 0 00077 00079 # define likely(x) (x) 00080 00086 # define unlikely(x) (x) 00087 00088 #endif 00089 00090 #if HAVE_PRINTF_FP 00091 # define PRINTF_FP(FMT,X) PRINTF(FMT,X) 00092 #else 00093 # define PRINTF_FP(FMT,X) 00094 #endif 00095 00104 #ifndef RLOG_COMPONENT 00105 # warning RLOG_COMPONENT not defined - setting to UNKNOWN 00106 #define RLOG_COMPONENT "[unknown]" 00107 #endif // RLOG_COMPONENT not defined 00108 00109 // Use somewhat unique names (doesn't matter if they aren't as they are used in 00110 // a private context, so the compiler will make them unique if it must) 00111 # define LOGID CONCAT(_rL_, __LINE__) 00112 00113 #define RLOG_DECL 00114 00115 #endif // _rlogconfig_incl_ 00116
1.4.4