1 /* 2 * Resource control/accounting header file for linux 3 */ 4 5 #ifndef _SYS_RESOURCE_H 6 #define _SYS_RESOURCE_H 7 8 /* 9 * Definition of struct rusage taken from BSD 4.3 Reno 10 * 11 * We don't support all of these yet, but we might as well have them.... 12 * Otherwise, each time we add new items, programs which depend on this 13 * structure will lose. This reduces the chances of that happening. 14 */ 15 #define RUSAGE_SELF 0 16 #define RUSAGE_CHILDREN -1 17 18 struct rusage { 19 struct timeval ru_utime; /* user time used */ 20 struct timeval ru_stime; /* system time used */ 21 long ru_maxrss; /* maximum resident set size */ 22 long ru_ixrss; /* integral shared memory size */ 23 long ru_idrss; /* integral unshared data size */ 24 long ru_isrss; /* integral unshared stack size */ 25 long ru_minflt; /* page reclaims */ 26 long ru_majflt; /* page faults */ 27 long ru_nswap; /* swaps */ 28 long ru_inblock; /* block input operations */ 29 long ru_oublock; /* block output operations */ 30 long ru_msgsnd; /* messages sent */ 31 long ru_msgrcv; /* messages received */ 32 long ru_nsignals; /* signals received */ 33 long ru_nvcsw; /* voluntary context switches */ 34 long ru_nivcsw; /* involuntary " */ 35 }; 36 37 /* 38 * Resource limits 39 */ 40 41 #define RLIMIT_CPU 0 /* CPU time in ms */ 42 #define RLIMIT_FSIZE 1 /* Maximum filesize */ 43 #define RLIMIT_DATA 2 /* max data size */ 44 #define RLIMIT_STACK 3 /* max stack size */ 45 #define RLIMIT_CORE 4 /* max core file size */ 46 #define RLIMIT_RSS 5 /* max resident set size */ 47 48 #ifdef notdef 49 #define RLIMIT_MEMLOCK 6 /* max locked-in-memory address space*/ 50 #define RLIMIT_NPROC 7 /* max number of processes */ 51 #define RLIMIT_OFILE 8 /* max number of open files */ 52 #endif 53 54 #define RLIM_NLIMITS 6 55 56 #define RLIM_INFINITY 0x7fffffff 57 58 struct rlimit { 59 int rlim_cur; 60 int rlim_max; 61 }; 62 63 #endif /* _SYS_RESOURCE_H */