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1 /*- |
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2 * Copyright (c) 1982, 1986, 1993 |
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3 * The Regents of the University of California. All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions |
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7 * are met: |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * 2. Redistributions in binary form must reproduce the above copyright |
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11 * notice, this list of conditions and the following disclaimer in the |
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12 * documentation and/or other materials provided with the distribution. |
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13 * 4. Neither the name of the University nor the names of its contributors |
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14 * may be used to endorse or promote products derived from this software |
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15 * without specific prior written permission. |
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16 * |
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17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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27 * SUCH DAMAGE. |
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28 * |
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29 * @(#)resource.h 8.4 (Berkeley) 1/9/95 |
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30 * $FreeBSD: src/sys/sys/resource.h,v 1.29 2005/01/07 02:29:23 imp Exp $ |
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31 * |
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32 * © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. |
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33 */ |
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34 |
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35 #ifndef _SYS_RESOURCE_H_ |
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36 #define _SYS_RESOURCE_H_ |
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37 |
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38 #include <sys/cdefs.h> |
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39 #include <sys/_timeval.h> |
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40 #include <sys/_types.h> |
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41 |
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42 #ifdef __SYMBIAN32__ |
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43 #include <_ansi.h> |
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44 #endif //__SYMBIAN32__ |
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45 /* |
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46 * Process priority specifications to get/setpriority. |
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47 */ |
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48 #define PRIO_MIN -20 |
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49 #define PRIO_MAX 20 |
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50 |
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51 #define PRIO_PROCESS 0 |
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52 #define PRIO_PGRP 1 |
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53 #define PRIO_USER 2 |
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54 |
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55 #ifdef __SYMBIAN32__ |
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56 enum { |
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57 UPPER_LIMIT_PRIORITY_HIGHEST = -20, |
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58 LOWER_LIMIT_PRIORITY_HIGHEST = -16, |
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59 |
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60 UPPER_LIMIT_PRIORITY_ABOVE_NORMAL = -15, |
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61 LOWER_LIMIT_PRIORITY_ABOVE_NORMAL = -6, |
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62 |
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63 UPPER_LIMIT_PRIORITY_NORMAL = -5, |
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64 LOWER_LIMIT_PRIORITY_NORMAL = 4, |
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65 |
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66 UPPER_LIMIT_PRIORITY_BELOW_NORMAL = 5, |
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67 LOWER_LIMIT_PRIORITY_BELOW_NORMAL = 14, |
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68 |
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69 UPPER_LIMIT_PRIORITY_LOWEST = 15, |
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70 LOWER_LIMIT_PRIORITY_LOWEST = 20 |
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71 }; |
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72 #endif /* __SYMBIAN32__ */ |
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73 /* |
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74 * Resource utilization information. |
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75 * |
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76 * Locking key: |
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77 * c - locked by proc mtx |
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78 * j - locked by sched_lock mtx |
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79 * n - not locked, lazy |
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80 */ |
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81 |
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82 #define RUSAGE_SELF 0 |
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83 #define RUSAGE_CHILDREN -1 |
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84 |
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85 struct rusage { |
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86 struct timeval ru_utime; /* (n) user time used */ |
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87 struct timeval ru_stime; /* (n) system time used */ |
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88 long ru_maxrss; /* (j) max resident set size */ |
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89 #define ru_first ru_ixrss |
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90 long ru_ixrss; /* (j) integral shared memory size */ |
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91 long ru_idrss; /* (j) integral unshared data " */ |
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92 long ru_isrss; /* (j) integral unshared stack " */ |
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93 long ru_minflt; /* (c) page reclaims */ |
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94 long ru_majflt; /* (c) page faults */ |
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95 long ru_nswap; /* (c + j) swaps */ |
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96 long ru_inblock; /* (n) block input operations */ |
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97 long ru_oublock; /* (n) block output operations */ |
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98 long ru_msgsnd; /* (n) messages sent */ |
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99 long ru_msgrcv; /* (n) messages received */ |
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100 long ru_nsignals; /* (c) signals received */ |
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101 long ru_nvcsw; /* (j) voluntary context switches */ |
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102 long ru_nivcsw; /* (j) involuntary " */ |
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103 #define ru_last ru_nivcsw |
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104 }; |
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105 |
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106 /* |
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107 * Resource limits |
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108 */ |
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109 #define RLIMIT_CPU 0 /* cpu time in milliseconds */ |
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110 #define RLIMIT_FSIZE 1 /* maximum file size */ |
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111 #define RLIMIT_DATA 2 /* data size */ |
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112 #define RLIMIT_STACK 3 /* stack size */ |
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113 #define RLIMIT_CORE 4 /* core file size */ |
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114 #define RLIMIT_RSS 5 /* resident set size */ |
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115 #define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */ |
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116 #define RLIMIT_NPROC 7 /* number of processes */ |
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117 #define RLIMIT_NOFILE 8 /* number of open files */ |
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118 #define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */ |
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119 #define RLIMIT_VMEM 10 /* virtual process size (inclusive of mmap) */ |
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120 #define RLIMIT_AS RLIMIT_VMEM /* standard name for RLIMIT_VMEM */ |
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121 |
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122 #define RLIM_NLIMITS 11 /* number of resource limits */ |
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123 |
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124 #define RLIM_INFINITY ((rlim_t)(((uint64_t)1 << 63) - 1)) |
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125 /* XXX Missing: RLIM_SAVED_MAX, RLIM_SAVED_CUR */ |
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126 |
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127 |
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128 /* |
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129 * Resource limit string identifiers |
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130 */ |
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131 |
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132 #ifdef _RLIMIT_IDENT |
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133 static char *rlimit_ident[] = { |
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134 "cpu", |
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135 "fsize", |
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136 "data", |
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137 "stack", |
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138 "core", |
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139 "rss", |
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140 "memlock", |
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141 "nproc", |
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142 "nofile", |
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143 "sbsize", |
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144 "vmem", |
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145 }; |
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146 #endif |
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147 |
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148 #ifndef _RLIM_T_DECLARED |
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149 typedef __rlim_t rlim_t; |
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150 #define _RLIM_T_DECLARED |
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151 #endif |
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152 |
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153 struct rlimit { |
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154 rlim_t rlim_cur; /* current (soft) limit */ |
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155 rlim_t rlim_max; /* maximum value for rlim_cur */ |
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156 }; |
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157 |
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158 #if __BSD_VISIBLE |
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159 |
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160 struct orlimit { |
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161 __int32_t rlim_cur; /* current (soft) limit */ |
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162 __int32_t rlim_max; /* maximum value for rlim_cur */ |
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163 }; |
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164 |
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165 struct loadavg { |
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166 __fixpt_t ldavg[3]; |
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167 long fscale; |
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168 }; |
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169 |
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170 #define CP_USER 0 |
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171 #define CP_NICE 1 |
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172 #define CP_SYS 2 |
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173 #define CP_INTR 3 |
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174 #define CP_IDLE 4 |
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175 #define CPUSTATES 5 |
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176 |
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177 #endif /* __BSD_VISIBLE */ |
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178 |
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179 #ifdef _KERNEL |
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180 |
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181 extern struct loadavg averunnable; |
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182 extern long cp_time[CPUSTATES]; |
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183 |
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184 #else |
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185 |
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186 __BEGIN_DECLS |
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187 /* XXX 2nd arg to [gs]etpriority() should be an id_t */ |
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188 IMPORT_C int getpriority(int, int); |
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189 IMPORT_C int setpriority(int, int, int); |
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190 __END_DECLS |
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191 |
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192 #endif /* _KERNEL */ |
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193 #endif /* !_SYS_RESOURCE_H_ */ |