diff options
Diffstat (limited to 'rtemsbsd/include/rtems/bsd/sys/resource.h')
| -rw-r--r-- | rtemsbsd/include/rtems/bsd/sys/resource.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/rtemsbsd/include/rtems/bsd/sys/resource.h b/rtemsbsd/include/rtems/bsd/sys/resource.h new file mode 100644 index 00000000..74a43c34 --- /dev/null +++ b/rtemsbsd/include/rtems/bsd/sys/resource.h @@ -0,0 +1,176 @@ +/*- + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)resource.h 8.4 (Berkeley) 1/9/95 + * $FreeBSD$ + */ + +#ifndef _SYS_RESOURCE_HH_ +#define _SYS_RESOURCE_HH_ + +#include <freebsd/sys/cdefs.h> +#include <freebsd/sys/_timeval.h> +#include <freebsd/sys/_types.h> + +/* + * Process priority specifications to get/setpriority. + */ +#define PRIO_MIN -20 +#define PRIO_MAX 20 + +#define PRIO_PROCESS 0 +#define PRIO_PGRP 1 +#define PRIO_USER 2 + +/* + * Resource utilization information. + * + * All fields are only modified by curthread and + * no locks are required to read. + */ + +#define RUSAGE_SELF 0 +#define RUSAGE_CHILDREN -1 +#define RUSAGE_THREAD 1 + +struct rusage { + struct timeval ru_utime; /* user time used */ + struct timeval ru_stime; /* system time used */ + long ru_maxrss; /* max resident set size */ +#define ru_first ru_ixrss + long ru_ixrss; /* integral shared memory size */ + long ru_idrss; /* integral unshared data " */ + long ru_isrss; /* integral unshared stack " */ + long ru_minflt; /* page reclaims */ + long ru_majflt; /* page faults */ + long ru_nswap; /* swaps */ + long ru_inblock; /* block input operations */ + long ru_oublock; /* block output operations */ + long ru_msgsnd; /* messages sent */ + long ru_msgrcv; /* messages received */ + long ru_nsignals; /* signals received */ + long ru_nvcsw; /* voluntary context switches */ + long ru_nivcsw; /* involuntary " */ +#define ru_last ru_nivcsw +}; + +/* + * Resource limits + */ +#define RLIMIT_CPU 0 /* maximum cpu time in seconds */ +#define RLIMIT_FSIZE 1 /* maximum file size */ +#define RLIMIT_DATA 2 /* data size */ +#define RLIMIT_STACK 3 /* stack size */ +#define RLIMIT_CORE 4 /* core file size */ +#define RLIMIT_RSS 5 /* resident set size */ +#define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */ +#define RLIMIT_NPROC 7 /* number of processes */ +#define RLIMIT_NOFILE 8 /* number of open files */ +#define RLIMIT_SBSIZE 9 /* maximum size of all socket buffers */ +#define RLIMIT_VMEM 10 /* virtual process size (inclusive of mmap) */ +#define RLIMIT_AS RLIMIT_VMEM /* standard name for RLIMIT_VMEM */ +#define RLIMIT_NPTS 11 /* pseudo-terminals */ +#define RLIMIT_SWAP 12 /* swap used */ + +#define RLIM_NLIMITS 13 /* number of resource limits */ + +#define RLIM_INFINITY ((rlim_t)(((uint64_t)1 << 63) - 1)) +/* XXX Missing: RLIM_SAVED_MAX, RLIM_SAVED_CUR */ + + +/* + * Resource limit string identifiers + */ + +#ifdef _RLIMIT_IDENT +static char *rlimit_ident[RLIM_NLIMITS] = { + "cpu", + "fsize", + "data", + "stack", + "core", + "rss", + "memlock", + "nproc", + "nofile", + "sbsize", + "vmem", + "npts", + "swap", +}; +#endif + +#ifndef _RLIM_T_DECLARED +typedef __rlim_t rlim_t; +#define _RLIM_T_DECLARED +#endif + +struct rlimit { + rlim_t rlim_cur; /* current (soft) limit */ + rlim_t rlim_max; /* maximum value for rlim_cur */ +}; + +#if __BSD_VISIBLE + +struct orlimit { + __int32_t rlim_cur; /* current (soft) limit */ + __int32_t rlim_max; /* maximum value for rlim_cur */ +}; + +struct loadavg { + __fixpt_t ldavg[3]; + long fscale; +}; + +#define CP_USER 0 +#define CP_NICE 1 +#define CP_SYS 2 +#define CP_INTR 3 +#define CP_IDLE 4 +#define CPUSTATES 5 + +#endif /* __BSD_VISIBLE */ + +#ifdef _KERNEL + +extern struct loadavg averunnable; +void read_cpu_time(long *cp_time); /* Writes array of CPUSTATES */ + +#else + +__BEGIN_DECLS +/* XXX 2nd arg to [gs]etpriority() should be an id_t */ +int getpriority(int, int); +int getrlimit(int, struct rlimit *); +int getrusage(int, struct rusage *); +int setpriority(int, int, int); +int setrlimit(int, const struct rlimit *); +__END_DECLS + +#endif /* _KERNEL */ +#endif /* !_SYS_RESOURCE_HH_ */ |