1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*-
* Copyright (c) 1998 Andrzej Bialecki
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $Id: main.c,v 1.1.1.1 1998/07/14 07:30:53 abial Exp $
*
*/
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <dirent.h>
/*
* Ok, I could extract almost anything from /proc, but I'm too lazy...
* I think it will suffice for now.
*/
int
main(int argc, char *argv[])
{
DIR *d;
struct dirent *e;
FILE *fd;
char buf[100];
char *tok, *sep=" ", *sep1=",";
char *name, *pid, *ppid, *uid, *gid;
char *pgid, *sid, *tty, *cred;
char *major, *minor;
char con[10];
d=opendir("/proc");
printf(" PID PPID TTY COMMAND\n");
while((e=readdir(d))!=NULL) {
/* Skip '.' and '..' */
if(e->d_name[0]=='.') continue;
/* Skip 'curproc' - it's us */
if(e->d_name[0]=='c') continue;
sprintf(buf,"/proc/%s/status",e->d_name);
fd=fopen(buf,"r");
fgets(buf,99,fd);
fclose(fd);
name=strtok(buf,sep);
pid=strtok(NULL,sep);
ppid=strtok(NULL,sep);
pgid=strtok(NULL,sep);
sid=strtok(NULL,sep);
tty=strtok(NULL,sep);
tok=strtok(NULL,sep); /* flags */
tok=strtok(NULL,sep); /* start */
tok=strtok(NULL,sep); /* user time */
tok=strtok(NULL,sep); /* system time */
tok=strtok(NULL,sep); /* wchan */
cred=strtok(NULL,sep); /* credentials */
major=strtok(tty,sep1);
minor=strtok(NULL,sep1);
if(strcmp(minor,"-1")==0) {
minor="?";
}
if(strcmp(major,"-1")==0) {
major="?";
} else if(strcmp(major,"12")==0) {
major="v";
} else if(strcmp(major,"0")==0) {
major="con";
minor="-";
} else if(strcmp(major,"5")==0) {
major="p";
} else major="x";
if((strcmp(major,"v")==0) && (strcmp(minor,"255")==0)) {
major="con";
minor="-";
}
sprintf(con,"%s%s",major,minor);
printf("%5s %5s %4s (%s)\n",pid,ppid,con,name);
}
closedir(d);
exit(0);
}
|
