mrtg/uptime.pl@1e46ce84435a (annotated)
mrtg/uptime.pl
Thu, 04 Oct 2012 20:04:22 +0200
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 04 Oct 2012 20:04:22 +0200
- changeset 710
- 1e46ce84435a
- parent 160
- 1a36468e720c
- permissions
- -rw-r--r--
Correct very nasty code segment linkage problem when building perl DSO.
This problem leads to segfaults in libpixman called by RRDs::Simple, as
diagnosed by gdb(1) indicating 'print var... cannot access memory at
address' or something similar.
| michael@176 | 1 | #! @l_prefix@/bin/perl |
| michael@136 | 2 | ## |
| michael@136 | 3 | ## uptime.pl: provide formatted uptime(1) information |
| michael@136 | 4 | ## |
| michael@136 | 5 | |
| michael@138 | 6 | $null = 0; |
| michael@136 | 7 | $uptime = `uptime`; |
| michael@138 | 8 | $hostname = `hostname`; |
| michael@136 | 9 | |
| michael@136 | 10 | $uptime =~ /up (.*?) day/; |
| michael@136 | 11 | $up = int($1); |
| michael@136 | 12 | |
| michael@160 | 13 | # According to http://oss.oetiker.ch/mrtg/doc/mrtg-reference.en.html |
| michael@160 | 14 | # 'the external command must return 4 lines of output.' |
| michael@138 | 15 | print "$up\n"; |
| michael@138 | 16 | print "$up\n"; |
| michael@138 | 17 | print "$null\n"; |
| michael@160 | 18 | print "$null\n"; |
| michael@136 | 19 |
