int show_tasks(char *argc){
int i,total=0;
if (strcmp(argc,"-a")==0){
int total=0;
for (i=1; i<NR_TASKS; i++) if (proc_table[i].status!=STOPPED) ++total;
display_string("There are "); display_int(total); display_string(" task!\n");
for (i=1; i<NR_TASKS; i++)
if (proc_table[i].status!=STOPPED) display_task(proc_table+i);
return 0;
} else if (strcmp(argc,"-r")==0){
for (i=1; i<NR_TASKS; i++) if (proc_table[i].status==RUNNING) ++total;
display_string("There are "); display_int(total); display_string(" task RUNNING!\n");
for (i=1; i<NR_TASKS; i++) if (proc_table[i].status==RUNNING) display_task(proc_table+i);
return 0;
} /*else if (strcmp(argc,"-d")==0){
for (i=1; i<NR_TASKS; i++) if (proc_table[i].status==STOPPED) ++total;
display_string("There are "); display_int(total); display_string(" task STOPPED!\n");
for (i=1; i<NR_TASKS; i++) if (proc_table[i].status==STOPPED) display_task(proc_table+i);
return 0;
} */else if (strcmp(argc,"-s")==0){
for (i=1; i<NR_TASKS; i++) if (proc_table[i].status==SLEEPING) ++total;
display_string("There are "); display_int(total); display_string(" task SLEEPING!\n");
for (i=1; i<NR_TASKS; i++) if (proc_table[i].status==SLEEPING) display_task(proc_table+i);
return 0;
} else {
for (i=1; i<NR_TASKS; i++) if (strcmp(proc_table[i].p_name,argc)==0){
display_task(proc_table+i);
return 0;
}
}
return -1;
}
int main(int argc, char **argv)
{
memset(pids, 0, MAX_PIDS * sizeof(char));
int i;
for(i=1;i<argc;i++)
{
if(argv[i][0] == '-')
{
int q=1;
again1:
switch(argv[i][q])
{
case 'A':
all=without_tty=1;
break;
case 'f':
full=1;
break;
case 'L':
loop=1;
break;
}
if(argv[i][++q])
goto again1;
} else {
int w=0;
again2:
switch(argv[i][w])
{
case 'x':
without_tty=1;
break;
case 'a':
all=1;
break;
case 'r':
only_running=1;
break;
case 'P':
proc_count=1;
break;
}
if(argv[i][++w])
goto again2;
}
}
int tmp = open("/dev/tty", O_RDWR);
if(tmp < 0)
{
fprintf(stderr, "%s: couldn't open controlling terminal\n", basename(argv[0]));
exit(1);
}
ioctl(tmp, 8, (int)&my_tty);
close(tmp);
struct task_stat s;
if(!full && !proc_count)
printf(" PID TTY\t TIME CMD\n");
else if(!proc_count)
printf(" PID TTY\t UID GID UTIME STIME MEM STATE CMD\n");
i=0;
int pc=0;
int pcr=0;
while(!task_stat(i, &s))
{
if(s.pid >= MAX_PIDS)
{i++; continue;}
if(pids[s.pid])
{i++; continue;}
pids[s.pid]++;
if(!proc_count)
display_task(&s);
else
s.state ? pc++ : pcr++;
i++;
}
if(proc_count)
printf("%d processes (%d running)\n", pc+pcr, pcr);
fflush(0);
return 0;
}
