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1 files changed, 0 insertions, 241 deletions
diff --git a/m-template b/m-template
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-/*
- * top - a top users display for Unix
- *
- * THIS IS A TEMPLATE FILE FOR A MACHINE DEPENDENT (m_...c) FILE
- *
- * SYNOPSIS: one line description of machine this module works with
- *
- * DESCRIPTION:
- * Detailed description of this machine dependent module.
- * It can be multiple lines, but a blank comment line (one with only an
- * asterisk) is considered to end it. Place here a complete list of
- * the machines and OS versions that this module works on.
- *
- * LIBS: list of special libraries to include at link step (REMOVE THIS LINE IF NOT NEEDED)
- *
- * AUTHOR: your name and <your@internet.address>
- */
-
-#include "top.h"
-#include "machine.h"
-
-
-/*
- * These definitions control the format of the per-process area
- */
-
-static char header[] =
- " PID X PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND";
-/* 0123456 -- field to fill in starts at header+6 */
-#define UNAME_START 6
-
-#define Proc_format \
- "%5d %-8.8s %3d %4d%6dK %4dK %-5s%4d:%02d %5.2f%% %5.2f%% %.14s"
-
-/* these are for detailing the process states */
-
-int process_states[?];
-char *procstatenames[] = {
- "", " sleeping, ", " ABANDONED, ", " running, ", " starting, ",
- " zombie, ", " stopped, ",
- NULL
-};
-
-/* these are for detailing the cpu states */
-
-int cpu_states[?];
-char *cpustatenames[] = {
- "user", "nice", "system", "idle",
- NULL
-};
-
-/* these are for detailing the memory statistics */
-
-int memory_stats[?];
-char *memorynames[] = {
- "K available, ", "K in use, ", "K free, ", "K locked", NULL
-};
-
-/* useful externals */
-extern int errno;
-extern char *sys_errlist[];
-
-long lseek();
-long time();
-long percentages();
-
-machine_init(statics)
-
-struct statics *statics;
-
-{
- return(0);
-}
-
-char *format_header(uname_field)
-
-register char *uname_field;
-
-{
- register char *ptr;
-
- ptr = header + UNAME_START;
- while (*uname_field != '\0')
- {
- *ptr++ = *uname_field++;
- }
-
- return(header);
-}
-
-get_system_info(si)
-
-struct system_info *si;
-
-{
-}
-
-static struct handle handle;
-
-caddr_t get_process_info(si, sel, compare)
-
-struct system_info *si;
-struct process_select *sel;
-int (*compare)();
-
-{
- return((caddr_t)&handle);
-}
-
-char fmt[128]; /* static area where result is built */
-
-/* define what weighted cpu is. */
-#define weighted_cpu(pct, pp) ((pp)->p_time == 0 ? 0.0 : \
- ((pct) / (1.0 - exp((pp)->p_time * logcpu))))
-
-char *format_next_process(handle, get_userid)
-
-caddr_t handle;
-char *(*get_userid)();
-
-{
- return(fmt);
-}
-
-/*
- * getkval(offset, ptr, size, refstr) - get a value out of the kernel.
- * "offset" is the byte offset into the kernel for the desired value,
- * "ptr" points to a buffer into which the value is retrieved,
- * "size" is the size of the buffer (and the object to retrieve),
- * "refstr" is a reference string used when printing error meessages,
- * if "refstr" starts with a '!', then a failure on read will not
- * be fatal (this may seem like a silly way to do things, but I
- * really didn't want the overhead of another argument).
- *
- */
-
-getkval(offset, ptr, size, refstr)
-
-unsigned long offset;
-int *ptr;
-int size;
-char *refstr;
-
-{
- if (kvm_read(kd, offset, ptr, size) != size)
- {
- if (*refstr == '!')
- {
- return(0);
- }
- else
- {
- fprintf(stderr, "top: kvm_read for %s: %s\n",
- refstr, sys_errlist[errno]);
- quit(23);
- }
- }
- return(1);
-}
-
-/* comparison routine for qsort */
-/* NOTE: this is specific to the BSD proc structure, but it should
- give you a good place to start. */
-
-/*
- * proc_compare - comparison function for "qsort"
- * Compares the resource consumption of two processes using five
- * distinct keys. The keys (in descending order of importance) are:
- * percent cpu, cpu ticks, state, resident set size, total virtual
- * memory usage. The process states are ordered as follows (from least
- * to most important): WAIT, zombie, sleep, stop, start, run. The
- * array declaration below maps a process state index into a number
- * that reflects this ordering.
- */
-
-static unsigned char sorted_state[] =
-{
- 0, /* not used */
- 3, /* sleep */
- 1, /* ABANDONED (WAIT) */
- 6, /* run */
- 5, /* start */
- 2, /* zombie */
- 4 /* stop */
-};
-
-proc_compare(pp1, pp2)
-
-struct proc **pp1;
-struct proc **pp2;
-
-{
- register struct proc *p1;
- register struct proc *p2;
- register int result;
- register pctcpu lresult;
-
- /* remove one level of indirection */
- p1 = *pp1;
- p2 = *pp2;
-
- /* compare percent cpu (pctcpu) */
- if ((lresult = p2->p_pctcpu - p1->p_pctcpu) == 0)
- {
- /* use cpticks to break the tie */
- if ((result = p2->p_cpticks - p1->p_cpticks) == 0)
- {
- /* use process state to break the tie */
- if ((result = sorted_state[p2->p_stat] -
- sorted_state[p1->p_stat]) == 0)
- {
- /* use priority to break the tie */
- if ((result = p2->p_pri - p1->p_pri) == 0)
- {
- /* use resident set size (rssize) to break the tie */
- if ((result = p2->p_rssize - p1->p_rssize) == 0)
- {
- /* use total memory to break the tie */
- result = PROCSIZE(p2) - PROCSIZE(p1);
- }
- }
- }
- }
- }
- else
- {
- result = lresult < 0 ? -1 : 1;
- }
-
- return(result);
-}
-
-proc_owner(pid)
-
-int pid;
-
-{
- /* returns uid of owner of process pid */
- return(uid);
-}
-