Mercurial > trustbridge > nss-cmake-static

annotate nspr/pr/include/prcountr.h @ 4:b513267f632f tip

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Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 /* This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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5
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6 #ifndef prcountr_h___
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7 #define prcountr_h___
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8
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9 /*----------------------------------------------------------------------------
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10 ** prcountr.h -- NSPR Instrumentation counters
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11 **
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12 ** The NSPR Counter Feature provides a means to "count
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13 ** something." Counters can be dynamically defined, incremented,
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14 ** decremented, set, and deleted under application program
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15 ** control.
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16 **
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17 ** The Counter Feature is intended to be used as instrumentation,
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18 ** not as operational data. If you need a counter for operational
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19 ** data, use native integral types.
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20 **
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21 ** Counters are 32bit unsigned intergers. On overflow, a counter
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22 ** will wrap. No exception is recognized or reported.
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23 **
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24 ** A counter can be dynamically created using a two level naming
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25 ** convention. A "handle" is returned when the counter is
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26 ** created. The counter can subsequently be addressed by its
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27 ** handle. An API is provided to get an existing counter's handle
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28 ** given the names with which it was originally created.
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29 ** Similarly, a counter's name can be retrieved given its handle.
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30 **
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31 ** The counter naming convention is a two-level hierarchy. The
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32 ** QName is the higher level of the hierarchy; RName is the
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33 ** lower level. RNames can be thought of as existing within a
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34 ** QName. The same RName can exist within multiple QNames. QNames
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35 ** are unique. The NSPR Counter is not a near-zero overhead
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36 ** feature. Application designers should be aware of
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37 ** serialization issues when using the Counter API. Creating a
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38 ** counter locks a large asset, potentially causing a stall. This
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39 ** suggest that applications should create counters at component
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40 ** initialization, for example, and not create and destroy them
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41 ** willy-nilly. ... You have been warned.
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42 **
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43 ** Incrementing and Adding to counters uses atomic operations.
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44 ** The performance of these operations will vary from platform
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45 ** to platform. On platforms where atomic operations are not
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46 ** supported the overhead may be substantial.
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47 **
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48 ** When traversing the counter database with FindNext functions,
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49 ** the instantaneous values of any given counter is that at the
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50 ** moment of extraction. The state of the entire counter database
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51 ** may not be viewed as atomic.
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52 **
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53 ** The counter interface may be disabled (No-Op'd) at compile
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54 ** time. When DEBUG is defined at compile time, the Counter
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55 ** Feature is compiled into NSPR and applications invoking it.
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56 ** When DEBUG is not defined, the counter macros compile to
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57 ** nothing. To force the Counter Feature to be compiled into an
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58 ** optimized build, define FORCE_NSPR_COUNTERS at compile time
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59 ** for both NSPR and the application intending to use it.
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60 **
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61 ** Application designers should use the macro form of the Counter
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62 ** Feature methods to minimize performance impact in optimized
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63 ** builds. The macros normally compile to nothing on optimized
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64 ** builds.
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65 **
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66 ** Application designers should be aware of the effects of
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67 ** debug and optimized build differences when using result of the
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68 ** Counter Feature macros in expressions.
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69 **
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70 ** The Counter Feature is thread-safe and SMP safe.
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71 **
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72 ** /lth. 09-Jun-1998.
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73 */
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74
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75 #include "prtypes.h"
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76
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77 PR_BEGIN_EXTERN_C
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78
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79 /*
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80 ** Opaque counter handle type.
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81 ** ... don't even think of looking in here.
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82 **
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83 */
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84 typedef void * PRCounterHandle;
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85
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86 #define PRCOUNTER_NAME_MAX 31
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87 #define PRCOUNTER_DESC_MAX 255
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88
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89
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90
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91 /* -----------------------------------------------------------------------
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92 ** FUNCTION: PR_DEFINE_COUNTER() -- Define a PRCounterHandle
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93 **
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94 ** DESCRIPTION: PR_DEFINE_COUNTER() is used to define a counter
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95 ** handle.
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96 **
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97 */
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98 #define PR_DEFINE_COUNTER(name) PRCounterHandle name
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99
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100 /* -----------------------------------------------------------------------
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101 ** FUNCTION: PR_INIT_COUNTER_HANDLE() -- Set the value of a PRCounterHandle
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102 **
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103 ** DESCRIPTION:
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104 ** PR_INIT_COUNTER_HANDLE() sets the value of a PRCounterHandle
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105 ** to value.
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106 **
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107 */
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108 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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109 #define PR_INIT_COUNTER_HANDLE(handle,value)\
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110 (handle) = (PRCounterHandle)(value)
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111 #else
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112 #define PR_INIT_COUNTER_HANDLE(handle,value)
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113 #endif
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114
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115 /* -----------------------------------------------------------------------
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116 ** FUNCTION: PR_CreateCounter() -- Create a counter
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117 **
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118 ** DESCRIPTION: PR_CreateCounter() creates a counter object and
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119 ** initializes it to zero.
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120 **
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121 ** The macro form takes as its first argument the name of the
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122 ** PRCounterHandle to receive the handle returned from
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123 ** PR_CreateCounter().
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124 **
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125 ** INPUTS:
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126 ** qName: The QName for the counter object. The maximum length
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127 ** of qName is defined by PRCOUNTER_NAME_MAX
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128 **
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129 ** rName: The RName for the counter object. The maximum length
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130 ** of qName is defined by PRCOUNTER_NAME_MAX
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131 **
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132 ** descrioption: The description of the counter object. The
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133 ** maximum length of description is defined by
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134 ** PRCOUNTER_DESC_MAX.
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135 **
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136 ** OUTPUTS:
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137 **
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138 ** RETURNS:
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139 ** PRCounterHandle.
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140 **
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141 ** RESTRICTIONS:
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142 **
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143 */
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144 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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145 #define PR_CREATE_COUNTER(handle,qName,rName,description)\
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146 (handle) = PR_CreateCounter((qName),(rName),(description))
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147 #else
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148 #define PR_CREATE_COUNTER(handle,qName,rName,description)
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149 #endif
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150
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151 NSPR_API(PRCounterHandle)
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152 PR_CreateCounter(
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153 const char *qName,
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154 const char *rName,
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155 const char *description
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156 );
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157
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158 /* -----------------------------------------------------------------------
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159 ** FUNCTION: PR_DestroyCounter() -- Destroy a counter object.
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160 **
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161 ** DESCRIPTION: PR_DestroyCounter() removes a counter and
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162 ** unregisters its handle from the counter database.
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163 **
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164 ** INPUTS:
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165 ** handle: the PRCounterHandle of the counter to be destroyed.
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166 **
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167 ** OUTPUTS:
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168 ** The counter is destroyed.
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169 **
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170 ** RETURNS: void
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171 **
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172 ** RESTRICTIONS:
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173 **
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174 */
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175 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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176 #define PR_DESTROY_COUNTER(handle) PR_DestroyCounter((handle))
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177 #else
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178 #define PR_DESTROY_COUNTER(handle)
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179 #endif
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180
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181 NSPR_API(void)
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182 PR_DestroyCounter(
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183 PRCounterHandle handle
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184 );
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185
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186
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187 /* -----------------------------------------------------------------------
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188 ** FUNCTION: PR_GetCounterHandleFromName() -- Retreive a
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189 ** counter's handle give its name.
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190 **
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191 ** DESCRIPTION: PR_GetCounterHandleFromName() retreives a
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192 ** counter's handle from the counter database, given the name
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193 ** the counter was originally created with.
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194 **
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195 ** INPUTS:
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196 ** qName: Counter's original QName.
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197 ** rName: Counter's original RName.
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198 **
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199 ** OUTPUTS:
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200 **
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201 ** RETURNS:
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202 ** PRCounterHandle or PRCounterError.
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203 **
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204 ** RESTRICTIONS:
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205 **
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206 */
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207 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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208 #define PR_GET_COUNTER_HANDLE_FROM_NAME(handle,qName,rName)\
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209 (handle) = PR_GetCounterHandleFromName((qName),(rName))
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210 #else
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211 #define PR_GET_COUNTER_HANDLE_FROM_NAME(handle,qName,rName)
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212 #endif
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213
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214 NSPR_API(PRCounterHandle)
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215 PR_GetCounterHandleFromName(
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216 const char *qName,
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217 const char *rName
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218 );
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219
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220 /* -----------------------------------------------------------------------
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221 ** FUNCTION: PR_GetCounterNameFromHandle() -- Retreive a
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222 ** counter's name, given its handle.
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223 **
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224 ** DESCRIPTION: PR_GetCounterNameFromHandle() retreives a
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225 ** counter's name given its handle.
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226 **
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227 ** INPUTS:
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228 ** qName: Where to store a pointer to qName.
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229 ** rName: Where to store a pointer to rName.
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230 ** description: Where to store a pointer to description.
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231 **
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232 ** OUTPUTS: Pointers to the Counter Feature's copies of the names
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233 ** used when the counters were created.
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234 **
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235 ** RETURNS: void
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236 **
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237 ** RESTRICTIONS:
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238 **
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239 */
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240 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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241 #define PR_GET_COUNTER_NAME_FROM_HANDLE(handle,qName,rName,description)\
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242 PR_GetCounterNameFromHandle((handle),(qName),(rName),(description))
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243 #else
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244 #define PR_GET_COUNTER_NAME_FROM_HANDLE(handle,qName,rName,description )
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245 #endif
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246
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247 NSPR_API(void)
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248 PR_GetCounterNameFromHandle(
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249 PRCounterHandle handle,
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250 const char **qName,
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251 const char **rName,
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252 const char **description
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253 );
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254
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255
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256 /* -----------------------------------------------------------------------
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257 ** FUNCTION: PR_IncrementCounter() -- Add one to the referenced
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258 ** counter.
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259 **
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260 ** DESCRIPTION: Add one to the referenced counter.
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261 **
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262 ** INPUTS:
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263 ** handle: The PRCounterHandle of the counter to be incremented
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264 **
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265 ** OUTPUTS: The counter is incrementd.
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266 **
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267 ** RETURNS: void
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268 **
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269 ** RESTRICTIONS:
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270 **
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271 */
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272 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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273 #define PR_INCREMENT_COUNTER(handle) PR_IncrementCounter(handle)
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274 #else
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275 #define PR_INCREMENT_COUNTER(handle)
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276 #endif
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277
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278 NSPR_API(void)
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279 PR_IncrementCounter(
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280 PRCounterHandle handle
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281 );
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282
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283
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284 /* -----------------------------------------------------------------------
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285 ** FUNCTION: PR_DecrementCounter() -- Subtract one from the
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286 ** referenced counter
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287 **
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288 ** DESCRIPTION: Subtract one from the referenced counter.
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289 **
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290 ** INPUTS:
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291 ** handle: The PRCounterHandle of the coutner to be
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292 ** decremented.
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293 **
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294 ** OUTPUTS: the counter is decremented.
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295 **
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296 ** RETURNS: void
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297 **
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298 ** RESTRICTIONS:
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299 **
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300 */
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301 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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302 #define PR_DECREMENT_COUNTER(handle) PR_DecrementCounter(handle)
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303 #else
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304 #define PR_DECREMENT_COUNTER(handle)
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305 #endif
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306
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307 NSPR_API(void)
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308 PR_DecrementCounter(
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309 PRCounterHandle handle
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310 );
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311
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312 /* -----------------------------------------------------------------------
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313 ** FUNCTION: PR_AddToCounter() -- Add a value to a counter.
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314 **
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315 ** DESCRIPTION: Add value to the counter referenced by handle.
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316 **
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317 ** INPUTS:
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318 ** handle: the PRCounterHandle of the counter to be added to.
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319 **
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320 ** value: the value to be added to the counter.
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321 **
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322 ** OUTPUTS: new value for counter.
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diff changeset
323 **
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324 ** RETURNS: void
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325 **
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326 ** RESTRICTIONS:
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327 **
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328 */
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329 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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330 #define PR_ADD_TO_COUNTER(handle,value)\
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331 PR_AddToCounter((handle),(value))
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332 #else
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333 #define PR_ADD_TO_COUNTER(handle,value)
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334 #endif
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335
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336 NSPR_API(void)
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diff changeset
337 PR_AddToCounter(
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
338 PRCounterHandle handle,
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diff changeset
339 PRUint32 value
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340 );
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341
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342
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343 /* -----------------------------------------------------------------------
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344 ** FUNCTION: PR_SubtractFromCounter() -- A value is subtracted
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345 ** from a counter.
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346 **
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Andre Heinecke <andre.heinecke@intevation.de>
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347 ** DESCRIPTION:
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348 ** Subtract a value from a counter.
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Andre Heinecke <andre.heinecke@intevation.de>
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349 **
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diff changeset
350 ** INPUTS:
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351 ** handle: the PRCounterHandle of the counter to be subtracted
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352 ** from.
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353 **
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354 ** value: the value to be subtracted from the counter.
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diff changeset
355 **
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Andre Heinecke <andre.heinecke@intevation.de>
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356 ** OUTPUTS: new value for counter
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diff changeset
357 **
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358 ** RETURNS: void
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diff changeset
359 **
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Andre Heinecke <andre.heinecke@intevation.de>
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360 ** RESTRICTIONS:
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Andre Heinecke <andre.heinecke@intevation.de>
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361 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
362 */
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363 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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364 #define PR_SUBTRACT_FROM_COUNTER(handle,value)\
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365 PR_SubtractFromCounter((handle),(value))
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366 #else
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367 #define PR_SUBTRACT_FROM_COUNTER(handle,value)
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368 #endif
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369
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370 NSPR_API(void)
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diff changeset
371 PR_SubtractFromCounter(
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diff changeset
372 PRCounterHandle handle,
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diff changeset
373 PRUint32 value
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diff changeset
374 );
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375
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376
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377 /* -----------------------------------------------------------------------
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378 ** FUNCTION: PR_GetCounter() -- Retreive the value of a counter
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379 **
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380 ** DESCRIPTION:
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381 ** Retreive the value of a counter.
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
382 **
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383 ** INPUTS:
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384 ** handle: the PR_CounterHandle of the counter to be retreived
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diff changeset
385 **
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diff changeset
386 ** OUTPUTS:
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diff changeset
387 **
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388 ** RETURNS: The value of the referenced counter
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
389 **
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
390 ** RESTRICTIONS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
391 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
392 */
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393 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
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394 #define PR_GET_COUNTER(counter,handle)\
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395 (counter) = PR_GetCounter((handle))
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diff changeset
396 #else
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397 #define PR_GET_COUNTER(counter,handle) 0
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398 #endif
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diff changeset
399
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400 NSPR_API(PRUint32)
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parents:
diff changeset
401 PR_GetCounter(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
402 PRCounterHandle handle
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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parents:
diff changeset
403 );
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
404
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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405 /* -----------------------------------------------------------------------
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406 ** FUNCTION: PR_SetCounter() -- Replace the content of counter
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
407 ** with value.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
408 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
409 ** DESCRIPTION: The contents of the referenced counter are
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
410 ** replaced by value.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
411 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
412 ** INPUTS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
413 ** handle: the PRCounterHandle of the counter whose contents
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
414 ** are to be replaced.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
415 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
416 ** value: the new value of the counter.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
417 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
418 ** OUTPUTS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
419 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
420 ** RETURNS: void
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
421 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
422 ** RESTRICTIONS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
423 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
424 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
425 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
426 #define PR_SET_COUNTER(handle,value) PR_SetCounter((handle),(value))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
427 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
428 #define PR_SET_COUNTER(handle,value)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
429 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
430
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
431 NSPR_API(void)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
432 PR_SetCounter(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
433 PRCounterHandle handle,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
434 PRUint32 value
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
435 );
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
436
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
437
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
438 /* -----------------------------------------------------------------------
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
439 ** FUNCTION: PR_FindNextCounterQname() -- Retreive the next QName counter
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
440 ** handle iterator
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
441 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
442 ** DESCRIPTION:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
443 ** PR_FindNextCounterQname() retreives the first or next Qname
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
444 ** the counter data base, depending on the value of handle. When
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
445 ** handle is NULL, the function attempts to retreive the first
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
446 ** QName handle in the database. When handle is a handle previosly
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
447 ** retreived QName handle, then the function attempts to retreive
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
448 ** the next QName handle.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
449 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
450 ** INPUTS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
451 ** handle: PRCounterHandle or NULL.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
452 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
453 ** OUTPUTS: returned
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
454 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
455 ** RETURNS: PRCounterHandle or NULL when no more QName counter
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
456 ** handles are present.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
457 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
458 ** RESTRICTIONS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
459 ** A concurrent PR_CreateCounter() or PR_DestroyCounter() may
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
460 ** cause unpredictable results.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
461 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
462 ** A PRCounterHandle returned from this function may only be used
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
463 ** in another PR_FindNextCounterQname() function call; other
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
464 ** operations may cause unpredictable results.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
465 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
466 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
467 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
468 #define PR_FIND_NEXT_COUNTER_QNAME(next,handle)\
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
469 (next) = PR_FindNextCounterQname((handle))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
470 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
471 #define PR_FIND_NEXT_COUNTER_QNAME(next,handle) NULL
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
472 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
473
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
474 NSPR_API(PRCounterHandle)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
475 PR_FindNextCounterQname(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
476 PRCounterHandle handle
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
477 );
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
478
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
479 /* -----------------------------------------------------------------------
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
480 ** FUNCTION: PR_FindNextCounterRname() -- Retreive the next RName counter
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
481 ** handle iterator
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
482 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
483 ** DESCRIPTION:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
484 ** PR_FindNextCounterRname() retreives the first or next RNname
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
485 ** handle from the counter data base, depending on the
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
486 ** value of handle. When handle is NULL, the function attempts to
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
487 ** retreive the first RName handle in the database. When handle is
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
488 ** a handle previosly retreived RName handle, then the function
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
489 ** attempts to retreive the next RName handle.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
490 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
491 ** INPUTS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
492 ** handle: PRCounterHandle or NULL.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
493 ** qhandle: PRCounterHandle of a previously aquired via
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
494 ** PR_FIND_NEXT_QNAME_HANDLE()
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
495 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
496 ** OUTPUTS: returned
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
497 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
498 ** RETURNS: PRCounterHandle or NULL when no more RName counter
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
499 ** handles are present.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
500 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
501 ** RESTRICTIONS:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
502 ** A concurrent PR_CreateCounter() or PR_DestroyCounter() may
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
503 ** cause unpredictable results.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
504 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
505 ** A PRCounterHandle returned from this function may only be used
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
506 ** in another PR_FindNextCounterRname() function call; other
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
507 ** operations may cause unpredictable results.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
508 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
509 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
510 #if defined(DEBUG) || defined(FORCE_NSPR_COUNTERS)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
511 #define PR_FIND_NEXT_COUNTER_RNAME(next,rhandle,qhandle)\
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
512 (next) = PR_FindNextCounterRname((rhandle),(qhandle))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
513 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
514 #define PR_FIND_NEXT_COUNTER_RNAME(next,rhandle,qhandle)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
515 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
516
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
517 NSPR_API(PRCounterHandle)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
518 PR_FindNextCounterRname(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
519 PRCounterHandle rhandle,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
520 PRCounterHandle qhandle
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
521 );
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
522
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
523 PR_END_EXTERN_C
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
524
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
525 #endif /* prcountr_h___ */
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