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1 #ifndef _LINUX_RESOURCE_H |
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2 #define _LINUX_RESOURCE_H |
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3 |
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4 #include <linux/time.h> |
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5 |
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6 struct task_struct; |
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7 |
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8 /* |
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9 * Resource control/accounting header file for linux |
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10 */ |
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11 |
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12 /* |
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13 * Definition of struct rusage taken from BSD 4.3 Reno |
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14 * |
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15 * We don't support all of these yet, but we might as well have them.... |
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16 * Otherwise, each time we add new items, programs which depend on this |
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17 * structure will lose. This reduces the chances of that happening. |
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18 */ |
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19 #define RUSAGE_SELF 0 |
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20 #define RUSAGE_CHILDREN (-1) |
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21 #define RUSAGE_BOTH (-2) /* sys_wait4() uses this */ |
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22 #define RUSAGE_THREAD 1 /* only the calling thread */ |
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23 |
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24 struct rusage { |
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25 struct timeval ru_utime; /* user time used */ |
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26 struct timeval ru_stime; /* system time used */ |
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27 long ru_maxrss; /* maximum resident set size */ |
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28 long ru_ixrss; /* integral shared memory size */ |
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29 long ru_idrss; /* integral unshared data size */ |
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30 long ru_isrss; /* integral unshared stack size */ |
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31 long ru_minflt; /* page reclaims */ |
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32 long ru_majflt; /* page faults */ |
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33 long ru_nswap; /* swaps */ |
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34 long ru_inblock; /* block input operations */ |
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35 long ru_oublock; /* block output operations */ |
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36 long ru_msgsnd; /* messages sent */ |
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37 long ru_msgrcv; /* messages received */ |
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38 long ru_nsignals; /* signals received */ |
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39 long ru_nvcsw; /* voluntary context switches */ |
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40 long ru_nivcsw; /* involuntary " */ |
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41 }; |
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42 |
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43 struct rlimit { |
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44 unsigned long rlim_cur; |
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45 unsigned long rlim_max; |
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46 }; |
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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 /* |
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56 * Limit the stack by to some sane default: root can always |
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57 * increase this limit if needed.. 8MB seems reasonable. |
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58 */ |
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59 #define _STK_LIM (8*1024*1024) |
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60 |
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61 /* |
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62 * GPG2 wants 64kB of mlocked memory, to make sure pass phrases |
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63 * and other sensitive information are never written to disk. |
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64 */ |
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65 #define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024) |
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66 |
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67 /* |
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68 * Due to binary compatibility, the actual resource numbers |
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69 * may be different for different linux versions.. |
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70 */ |
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71 #include <asm/resource.h> |
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72 |
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73 int getrusage(struct task_struct *p, int who, struct rusage __user *ru); |
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74 |
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75 #endif |