![Eelco Dolstra](/assets/img/avatar_default.png)
modules for the running kernel from being garbage-collected. Idem for /proc/sys/kernel/fbsplash.
76 lines
1.5 KiB
Perl
76 lines
1.5 KiB
Perl
#! @perl@ -w
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use strict;
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my $procDir = "/proc";
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sub readProc {
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return unless -d $procDir;
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opendir DIR, $procDir or return;
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foreach my $name (readdir DIR) {
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next unless $name =~ /^\d+$/;
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my $process = "$procDir/$name";
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#print STDERR "=== $process\n";
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my $target;
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print "$target\n" if $target = readlink "$process/exe";
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print "$target\n" if $target = readlink "$process/cwd";
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if (opendir FDS, "$process/fd") {
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foreach my $name (readdir FDS) {
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$target = readlink "$process/fd/$name";
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print "$target\n" if $target && substr($target, 0, 1) eq "/";
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}
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closedir FDS;
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}
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if (open MAP, "<$process/maps") {
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while (<MAP>) {
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next unless /^ \s* \S+ \s+ \S+ \s+ \S+ \s+ \S+ \s+ \S+ \s+ (\/\S+) \s* $/x;
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print "$1\n";
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}
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close MAP;
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}
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}
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closedir DIR;
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}
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sub lsof {
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return unless open LSOF, "lsof -n -w -F n 2> /dev/null |";
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while (<LSOF>) {
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next unless /^n (\/ .*)$/x;
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print $1, "\n";
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}
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close LSOF;
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}
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readProc;
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lsof;
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sub readFile {
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my $path = shift;
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if (-e $path) {
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if (open FILE, "$path") {
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while (<FILE>) {
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print;
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}
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close FILE;
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}
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}
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}
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# This is rather NixOS-specific, so it probably shouldn't be here.
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readFile "/proc/sys/kernel/modprobe";
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readFile "/proc/sys/kernel/fbsplash";
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