[1] | 1 | #ifndef _SYS_RESOURCE_H |
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| 2 | #define _SYS_RESOURCE_H |
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| 3 | |
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| 4 | #include <time.h> |
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| 5 | #include <sys/cdefs.h> |
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| 6 | |
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| 7 | __BEGIN_DECLS |
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| 8 | |
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| 9 | #define RUSAGE_SELF 0 |
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| 10 | #define RUSAGE_CHILDREN (-1) |
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| 11 | #define RUSAGE_BOTH (-2) /* sys_wait4() uses this */ |
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| 12 | |
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| 13 | struct rusage { |
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| 14 | struct timeval ru_utime; /* user time used */ |
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| 15 | struct timeval ru_stime; /* system time used */ |
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| 16 | long ru_maxrss; /* maximum resident set size */ |
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| 17 | long ru_ixrss; /* integral shared memory size */ |
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| 18 | long ru_idrss; /* integral unshared data size */ |
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| 19 | long ru_isrss; /* integral unshared stack size */ |
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| 20 | long ru_minflt; /* page reclaims */ |
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| 21 | long ru_majflt; /* page faults */ |
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| 22 | long ru_nswap; /* swaps */ |
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| 23 | long ru_inblock; /* block input operations */ |
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| 24 | long ru_oublock; /* block output operations */ |
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| 25 | long ru_msgsnd; /* messages sent */ |
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| 26 | long ru_msgrcv; /* messages received */ |
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| 27 | long ru_nsignals; /* signals received */ |
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| 28 | long ru_nvcsw; /* voluntary context switches */ |
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| 29 | long ru_nivcsw; /* involuntary " */ |
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| 30 | }; |
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| 31 | |
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| 32 | struct rlimit { |
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| 33 | unsigned long rlim_cur; |
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| 34 | unsigned long rlim_max; |
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| 35 | }; |
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| 36 | |
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| 37 | #define PRIO_MIN (-20) |
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| 38 | #define PRIO_MAX 20 |
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| 39 | |
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| 40 | #define PRIO_PROCESS 0 |
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| 41 | #define PRIO_PGRP 1 |
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| 42 | #define PRIO_USER 2 |
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| 43 | |
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| 44 | #define RLIMIT_CPU 0 /* CPU time in ms */ |
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| 45 | #define RLIMIT_FSIZE 1 /* Maximum filesize */ |
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| 46 | #define RLIMIT_DATA 2 /* max data size */ |
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| 47 | #define RLIMIT_STACK 3 /* max stack size */ |
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| 48 | #define RLIMIT_CORE 4 /* max core file size */ |
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| 49 | #if defined(__alpha__) |
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| 50 | #define RLIMIT_RSS 5 /* max resident set size */ |
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| 51 | #define RLIMIT_NPROC 8 /* max number of processes */ |
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| 52 | #define RLIMIT_NOFILE 6 /* max number of open files */ |
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| 53 | #define RLIMIT_MEMLOCK 9 /* max locked-in-memory address space */ |
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| 54 | #define RLIMIT_AS 7 /* address space limit */ |
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| 55 | #elif defined(__mips__) |
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| 56 | #define RLIMIT_RSS 7 /* max resident set size */ |
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| 57 | #define RLIMIT_NPROC 8 /* max number of processes */ |
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| 58 | #define RLIMIT_NOFILE 5 /* max number of open files */ |
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| 59 | #define RLIMIT_MEMLOCK 9 /* max locked-in-memory address space */ |
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| 60 | #define RLIMIT_AS 6 /* address space limit */ |
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| 61 | #elif defined(__sparc__) |
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| 62 | #define RLIMIT_RSS 5 /* max resident set size */ |
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| 63 | #define RLIMIT_NPROC 7 /* max number of processes */ |
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| 64 | #define RLIMIT_NOFILE 6 /* max number of open files */ |
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| 65 | #define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */ |
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| 66 | #define RLIMIT_AS 9 /* address space limit */ |
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| 67 | #else |
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| 68 | #define RLIMIT_RSS 5 /* max resident set size */ |
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| 69 | #define RLIMIT_NPROC 6 /* max number of processes */ |
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| 70 | #define RLIMIT_NOFILE 7 /* max number of open files */ |
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| 71 | #define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */ |
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| 72 | #define RLIMIT_AS 9 /* address space limit */ |
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| 73 | #endif |
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| 74 | #define RLIMIT_LOCKS 10 /* maximum file locks held */ |
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| 75 | #define RLIMIT_SIGPENDING 11 /* max number of pending signals */ |
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| 76 | #define RLIMIT_MSGQUEUE 12 /* maximum bytes in POSIX mqueues */ |
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| 77 | #define RLIMIT_NICE 13 /* max nice prio allowed to raise to |
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| 78 | 0-39 for nice level 19 .. -20 */ |
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| 79 | #define RLIMIT_RTPRIO 14 /* maximum realtime priority */ |
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| 80 | #define RLIMIT_RTTIME 15 /* timeout for RT tasks in us */ |
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| 81 | #define RLIM_NLIMITS 16 |
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| 82 | |
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| 83 | #if defined(__alpha__) || defined(__mips__) || defined(__sparc__) |
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| 84 | #define RLIM_INFINITY ((long)(~0UL>>1)) |
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| 85 | #else |
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| 86 | #define RLIM_INFINITY (~0UL) |
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| 87 | #endif |
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| 88 | |
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| 89 | int getpriority(int which, int who) __THROW; |
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| 90 | int setpriority(int which, int who, int prio) __THROW; |
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| 91 | |
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| 92 | int getrlimit (int resource, struct rlimit *rlim); |
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| 93 | int getrusage (int who, struct rusage *usage); |
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| 94 | int setrlimit (int resource, const struct rlimit *rlim); |
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| 95 | |
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| 96 | typedef unsigned long rlim_t; |
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| 97 | |
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| 98 | __END_DECLS |
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| 99 | |
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| 100 | #endif |
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