128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
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/* @(#)resource.h 1.11 15/08/14 Copyright 1995-2015 J. Schilling */
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/*
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* Abstraction from resource limits
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*
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* Missing parts for wait3() taken from SunOS
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*
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* Copyright (c) 1995-2015 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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* A copy of the CDDL is also available via the Internet at
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* http://www.opensource.org/licenses/cddl1.txt
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#ifndef _SCHILY_RESOURCE_H
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#define _SCHILY_RESOURCE_H
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#ifndef _SCHILY_MCONFIG_H
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#include <schily/mconfig.h>
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#endif
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#ifndef _SCHILY_TIME_H
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#include <schily/time.h>
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#endif
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/*
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* Get definitions from system include files
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*/
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#ifdef HAVE_SYS_RESOURCE_H
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#ifndef _INCL_SYS_RESOURCE_H
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#include <sys/resource.h>
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#define _INCL_SYS_RESOURCE_H
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Now check which definitions are missing and define them localy.
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*/
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#ifndef RUSAGE_SELF
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/*
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* Resource utilization information.
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*/
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#define RUSAGE_SELF 0
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#define RUSAGE_CHILDREN -1
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#endif /* RUSAGE_SELF */
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#ifndef HAVE_STRUCT_RUSAGE
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/*
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* On a vanilla BSD system, all fields are set.
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* On other systems, parts may not be supported.
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*
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* S: 0 means that the value is 0 on Solaris
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* S: * means that the value is the sum of rm_asrss on Solaris
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*
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* POSIX and BeOS/Haiku define only ru_utime and ru_stime.
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*/
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struct rusage {
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struct timeval ru_utime; /* user time used */
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struct timeval ru_stime; /* system time used */
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long ru_maxrss; /* maximum resident set size S: 0 */
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#define ru_first ru_ixrss
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long ru_ixrss; /* integral shared memory size S: 0 */
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long ru_idrss; /* integral unshared data size S: * */
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long ru_isrss; /* integral unshared stack size S: 0 */
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long ru_minflt; /* any page faults not requiring I/O */
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long ru_majflt; /* any page faults requiring I/O */
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long ru_nswap; /* swaps */
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long ru_inblock; /* block input operations */
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long ru_oublock; /* block output operations */
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long ru_msgsnd; /* messages sent */
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long ru_msgrcv; /* messages received */
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long ru_nsignals; /* signals received */
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long ru_nvcsw; /* voluntary context switches */
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long ru_nivcsw; /* involuntary " */
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#define ru_last ru_nivcsw
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};
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#endif /* HAVE_STRUCT_RUSAGE */
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#ifndef RLIMIT_CPU
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/*
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* Resource limits
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*/
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#define RLIMIT_CPU 0 /* cpu time in milliseconds */
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#define RLIMIT_FSIZE 1 /* maximum file size */
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#define RLIMIT_DATA 2 /* data size */
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#define RLIMIT_STACK 3 /* stack size */
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#define RLIMIT_CORE 4 /* core file size */
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#define RLIMIT_RSS 5 /* resident set size */
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#define RLIM_NLIMITS 6 /* number of resource limits */
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#ifndef RLIM_INFINITY
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#define RLIM_INFINITY 0x7fffffff
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#endif
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#ifndef HAVE_TYPE_RLIM_T
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#define rlim_t Intmax_t
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#endif
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struct rlimit {
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rlim_t rlim_cur; /* current (soft) limit */
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rlim_t rlim_max; /* maximum value for rlim_cur */
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};
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#endif /* RLIMIT_CPU */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SCHILY_RESOURCE_H */
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