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safe_asterisk: Don't automatically exceed MAXFILES value of 2^20.

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On systems with lots of RAM (e.g. 24GB) /proc/sys/fs/file-max divided
by two can exceed the per-process file limit of 2^20. This patch
ensures the value is capped.

(Patch cleaned up by me.)

ASTERISK-24011 #close
Reported by: Michael Myles
Patches:
  safe_asterisk-ulimit.diff uploaded by Michael Myles (License #6626)
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Merged revisions 424875 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 424878 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 424879 from http://svn.asterisk.org/svn/asterisk/branches/12
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Merged revisions 424880 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@424881 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Walter Doekes
2014-10-09 08:10:35 +00:00
parent 8b0089ea1d
commit d0255c4a46
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
contrib/scripts/safe_asterisk
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@@ -67,12 +67,17 @@ if test `id -u` != 0; then
message "safe_asterisk was started by `id -n` (uid `id -u`)."
else
if `uname -s | grep Linux >/dev/null 2>&1`; then
# maximum number of open files is set to the system maximum divided by two if
# MAXFILES is not set.
# maximum number of open files is set to the system maximum
# divided by two if MAXFILES is not set.
if test -z "$MAXFILES"; then
# just check if file-max is readable
if test -r /proc/sys/fs/file-max; then
MAXFILES=$(( `cat /proc/sys/fs/file-max` / 2 ))
MAXFILES=$((`cat /proc/sys/fs/file-max` / 2))
# don't exceed upper limit of 2^20 for open
# files on systems where file-max is > 2^21
if test $MAXFILES -gt 1048576; then
MAXFILES=1048576
fi
fi
fi
SYSCTL_MAXFILES="fs.file-max"