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132
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1 /**
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2 * D header file for POSIX.
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3 *
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4 * Copyright: Public Domain
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5 * License: Public Domain
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6 * Authors: Sean Kelly
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7 * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
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8 */
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9 module tango.stdc.posix.sys.mman;
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10
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11 public import tango.stdc.stddef; // for size_t
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12 public import tango.stdc.posix.sys.types; // for off_t, mode_t
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13
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14 extern (C):
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15
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16 //
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17 // Advisory Information (ADV)
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18 //
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19 /*
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20 int posix_madvise(void*, size_t, int);
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21 */
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22
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23 //
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24 // Advisory Information and either Memory Mapped Files or Shared Memory Objects (MC1)
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25 //
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26 /*
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27 POSIX_MADV_NORMAL
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28 POSIX_MADV_SEQUENTIAL
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29 POSIX_MADV_RANDOM
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30 POSIX_MADV_WILLNEED
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31 POSIX_MADV_DONTNEED
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32 */
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33
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34 version( darwin )
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35 {
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36 const POSIX_MADV_NORMAL = 0;
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37 const POSIX_MADV_RANDOM = 1;
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38 const POSIX_MADV_SEQUENTIAL = 2;
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39 const POSIX_MADV_WILLNEED = 3;
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40 const POSIX_MADV_DONTNEED = 4;
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41 }
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42
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43 //
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44 // Memory Mapped Files, Shared Memory Objects, or Memory Protection (MC2)
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45 //
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46 /*
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47 PROT_READ
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48 PROT_WRITE
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49 PROT_EXEC
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50 PROT_NONE
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51 */
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52
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53 version( linux )
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54 {
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55 const PROT_NONE = 0x0;
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56 const PROT_READ = 0x1;
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57 const PROT_WRITE = 0x2;
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58 const PROT_EXEC = 0x4;
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59 }
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60 else version( darwin )
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61 {
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62 const PROT_NONE = 0x00;
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63 const PROT_READ = 0x01;
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64 const PROT_WRITE = 0x02;
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65 const PROT_EXEC = 0x04;
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66 }
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67
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68 //
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69 // Memory Mapped Files, Shared Memory Objects, or Typed Memory Objects (MC3)
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70 //
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71 /*
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72 void* mmap(void*, size_t, int, int, int, off_t);
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73 int munmap(void*, size_t);
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74 */
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75
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76 version( linux )
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77 {
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78 void* mmap(void*, size_t, int, int, int, off_t);
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79 int munmap(void*, size_t);
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80 }
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81 else version( darwin )
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82 {
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83 void* mmap(void*, size_t, int, int, int, off_t);
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84 int munmap(void*, size_t);
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85 }
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86
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87 //
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88 // Memory Mapped Files (MF)
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89 //
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90 /*
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91 MAP_SHARED (MF|SHM)
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92 MAP_PRIVATE (MF|SHM)
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93 MAP_FIXED (MF|SHM)
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94 MAP_FAILED (MF|SHM)
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95
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96 MS_ASYNC (MF|SIO)
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97 MS_SYNC (MF|SIO)
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98 MS_INVALIDATE (MF|SIO)
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99
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100 int msync(void*, size_t, int); (MF|SIO)
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101 */
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102
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103 version( linux )
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104 {
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105 const MAP_SHARED = 0x01;
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106 const MAP_PRIVATE = 0x02;
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107 const MAP_FIXED = 0x10;
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108 const MAP_ANON = 0x20; // non-standard
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109
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110 const MAP_FAILED = cast(void*) -1;
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111
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112 enum
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113 {
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114 MS_ASYNC = 1,
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115 MS_SYNC = 4,
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116 MS_INVALIDATE = 2
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117 }
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118
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119 int msync(void*, size_t, int);
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120 }
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121 else version( darwin )
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122 {
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123 const MAP_SHARED = 0x0001;
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124 const MAP_PRIVATE = 0x0002;
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125 const MAP_FIXED = 0x0010;
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126 const MAP_ANON = 0x1000; // non-standard
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127
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128 const MAP_FAILED = cast(void*)-1;
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129
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130 const MS_ASYNC = 0x0001;
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131 const MS_INVALIDATE = 0x0002;
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132 const MS_SYNC = 0x0010;
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133
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134 int msync(void*, size_t, int);
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135 }
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136
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137 //
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138 // Process Memory Locking (ML)
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139 //
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140 /*
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141 MCL_CURRENT
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142 MCL_FUTURE
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143
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144 int mlockall(int);
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145 int munlockall();
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146 */
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147
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148 version( linux )
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149 {
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150 const MCL_CURRENT = 1;
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151 const MCL_FUTURE = 2;
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152
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153 int mlockall(int);
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154 int munlockall();
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155
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156 }
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157 else version( darwin )
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158 {
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159 const MCL_CURRENT = 0x0001;
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160 const MCL_FUTURE = 0x0002;
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161
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162 int mlockall(int);
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163 int munlockall();
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164 }
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165
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166 //
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167 // Range Memory Locking (MLR)
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168 //
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169 /*
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170 int mlock(void*, size_t);
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171 int munlock(void*, size_t);
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172 */
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173
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174 version( linux )
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175 {
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176 int mlock(void*, size_t);
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177 int munlock(void*, size_t);
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178 }
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179 else version( darwin )
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180 {
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181 int mlock(void*, size_t);
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182 int munlock(void*, size_t);
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183 }
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184
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185 //
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186 // Memory Protection (MPR)
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187 //
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188 /*
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189 int mprotect(void*, size_t, int);
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190 */
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191
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192 version( darwin )
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193 {
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194 int mprotect(void*, size_t, int);
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195 }
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196
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197 //
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198 // Shared Memory Objects (SHM)
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199 //
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200 /*
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201 int shm_open(char*, int, mode_t);
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202 int shm_unlink(char*);
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203 */
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204
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205 version( linux )
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206 {
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207 int shm_open(char*, int, mode_t);
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208 int shm_unlink(char*);
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209 }
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210 else version( darwin )
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211 {
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212 int shm_open(char*, int, mode_t);
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213 int shm_unlink(char*);
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214 }
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215
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216 //
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217 // Typed Memory Objects (TYM)
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218 //
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219 /*
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220 POSIX_TYPED_MEM_ALLOCATE
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221 POSIX_TYPED_MEM_ALLOCATE_CONTIG
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222 POSIX_TYPED_MEM_MAP_ALLOCATABLE
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223
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224 struct posix_typed_mem_info
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225 {
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226 size_t posix_tmi_length;
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227 }
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228
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229 int posix_mem_offset(void*, size_t, off_t *, size_t *, int *);
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230 int posix_typed_mem_get_info(int, struct posix_typed_mem_info *);
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231 int posix_typed_mem_open(char*, int, int);
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232 */
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