2 # Functions for parsing freebsd ps output
8 local($pcmd, $line, $i, %pidmap, @plist);
9 $pcmd = @_ ? "-p $_[0]" : "";
10 open(PS, "ps -axwwww -o pid,ppid,user,vsz,%cpu,time,nice,tty,ruser,rgid,pgid,lstart,lim,command $pcmd |");
11 for($i=0; $line=<PS>; $i++) {
13 if ($line =~ /ps -axwwww/ || $line =~ /^\s*PID/) { $i--; next; }
14 $line =~ /^\s*(\d+)\s+(\d+)\s+(\S+)\s+(\d+)\s+([\d\.]+)\s+(\S+)\s+(-?\d+)\s+(\S+)\s+(\S+)\s+(\d+)\s+(\d+)\s+(-|\S+\s+\S+\s+\d+\s+\S+\s+\d+|\d+)\s+(\S+)\s+(.*)$/;
16 $plist[$i]->{"pid"} = $1;
17 $plist[$i]->{"ppid"} = $2;
18 $plist[$i]->{"user"} = $3;
19 $plist[$i]->{"size"} = "$4 kB";
20 $plist[$i]->{"cpu"} = $5;
21 $plist[$i]->{"time"} = $6;
22 $plist[$i]->{"nice"} = $7;
23 $plist[$i]->{"_tty"} = $8;
24 $plist[$i]->{"_ruser"} = $9;
25 $plist[$i]->{"_rgroup"} = getgrgid($10);
26 $plist[$i]->{"_pgid"} = $11;
27 $plist[$i]->{"_stime"} = $12;
28 $plist[$i]->{"_lim"} = $13 eq "-" ? "Unlimited" : $13;
29 $plist[$i]->{"args"} = $14;
35 # renice_proc(pid, nice)
38 return undef if (&is_readonly_mode());
39 local $out = &backquote_logged("renice $_[1] -p $_[0] 2>&1");
40 if ($?) { return $out; }
44 foreach $ia (keys %text) {
45 if ($ia =~ /^freebsd(_\S+)/) {
46 $info_arg_map{$1} = $text{$ia};
50 @nice_range = (-20 .. 20);
52 $has_fuser_command = 0;
55 # Returns the filehandles and names for a pty and tty
60 @ptys = map { "/dev/$_" } (grep { /^pty/ } readdir(DEV));
63 foreach $pty (@ptys) {
64 open(PTY, "+>$pty") || next;
67 open(TTY, "+>$tty") || next;
68 local $old = select(PTY); $| = 1;
69 select(TTY); $| = 1; select($old);
70 return (*PTY, *TTY, $pty, $tty);
75 # close_controlling_pty()
76 # Disconnects this process from it's controlling PTY, if connected
77 sub close_controlling_pty
79 if (open(DEVTTY, "/dev/tty")) {
80 # Special ioctl to disconnect (TIOCNOTTY)
81 ioctl(DEVTTY, 536900721, 0);
86 # open_controlling_pty(ptyfh, ttyfh, ptyfile, ttyfile)
87 # Makes a PTY returned from get_new_pty the controlling TTY (/dev/tty) for
89 sub open_controlling_pty
91 local ($ptyfh, $ttyfh, $pty, $tty) = @_;
93 # Call special ioctl to attach /dev/tty to this new tty (TIOCSCTTY)
94 ioctl($ttyfh, 536900705, 0);
98 # Returns a list containing the real mem, free real mem, swap and free swap
103 my $sysctl_output = &backquote_command("/sbin/sysctl -a 2>/dev/null");
105 foreach my $line (split(/\n/, $sysctl_output)) {
106 if ($line =~ m/^([^:]+):\s+(.+)\s*$/s) {
110 return ( ) if (!$sysctl->{"hw.physmem"});
111 my $mem_inactive = $sysctl->{"vm.stats.vm.v_inactive_count"} *
112 $sysctl->{"hw.pagesize"};
113 my $mem_cache = $sysctl->{"vm.stats.vm.v_cache_count"} *
114 $sysctl->{"hw.pagesize"};
115 my $mem_free = $sysctl->{"vm.stats.vm.v_free_count"} *
116 $sysctl->{"hw.pagesize"};
117 return ( $sysctl->{"hw.physmem"} / 1024,
118 ($mem_inactive + $mem_cache + $mem_free) / 1024 );