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Check glib atomic implementation for mutex use.

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git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@4015 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Sampo Savolainen 2008-10-26 16:39:52 +00:00
parent 7f927ca0eb
commit d91e94ea2f
1 changed files with 25 additions and 1 deletions
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26
gtk2_ardour/ardour.sh.in
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@ -6,13 +6,37 @@ export LD_LIBRARY_PATH=%INSTALL_PREFIX%/%LIBDIR%/ardour2:$LD_LIBRARY_PATH
# DYLD_LIBRARY_PATH is for Darwin
export DYLD_LIBRARY_PATH=$LD_LIBRARY_PATH
## Memlock check
MLOCK_LIMIT=$(ulimit -l)
if [ "$MLOCK_LIMIT" != "unlimited" ]; then
echo "WARNING: Your system has a limit for maximum amount of locked memory!"
echo "This might cause Ardour to run out of memory before your system runs out of memory. You can view the memory limit with 'ulimit -l', and it is normally controlled by /etc/security/limits.conf"
echo " This might cause Ardour to run out of memory before your system runs"
echo " out of memory. You can view the memory limit with 'ulimit -l', and it"
echo " is normally controlled by /etc/security/limits.conf"
echo ""
fi
## Glib atomic test
GLIB=$(ldd %INSTALL_PREFIX%/%LIBDIR%/ardour2/ardour-%VERSION% 2> /dev/null | grep glib-2.0 | sed 's/.*=> \([^ ]*\) .*/\1/')
if [ "$GLIB" = "" ]; then
echo "WARNING: Could not check your glib-2.0 for mutex locking atomic operations."
echo ""
elif [ $(nm -D --radix=dec --defined-only -S $GLIB | grep -w g_atomic_int_add | cut -d ' ' -f 2) -gt 32 ]; then
echo "WARNING: Your system contains a suspect libglib-2.0. Your version might be built"
echo " to use mutex locking atomic operations. This is a fallback solution to"
echo " a more robust hardware supported atomicity. It might cause reduced "
echo " performance and/or deadlocks. Please contact your distribution support"
echo " about this issue."
echo " Unfortunately this check is not 100% accurate, so this might not be"
echo " the case with your system."
echo ""
fi
exec %INSTALL_PREFIX%/%LIBDIR%/ardour2/ardour-%VERSION% "$@"