From 224bcf62d8393028d33ecca8709420787d19ff2a Mon Sep 17 00:00:00 2001 From: Sampo Savolainen Date: Sun, 26 Oct 2008 16:42:42 +0000 Subject: Check glib atomic implementation for mutex use. git-svn-id: svn://localhost/ardour2/branches/3.0@4016 d708f5d6-7413-0410-9779-e7cbd77b26cf --- gtk2_ardour/ardour.sh.in | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'gtk2_ardour/ardour.sh.in') diff --git a/gtk2_ardour/ardour.sh.in b/gtk2_ardour/ardour.sh.in index 1cd8ada3ef..4a7219823c 100644 --- a/gtk2_ardour/ardour.sh.in +++ b/gtk2_ardour/ardour.sh.in @@ -6,14 +6,36 @@ export LD_LIBRARY_PATH=%INSTALL_PREFIX%/%LIBDIR%/ardour3:$LD_LIBRARY_PATH # DYLD_LIBRARY_PATH is for Darwin export DYLD_LIBRARY_PATH=$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 -ulimit -c unlimited + +## Glib atomic test + +GLIB=$(ldd %INSTALL_PREFIX%/%LIBDIR%/ardour3/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 $GLIB | grep -w g_atomic_int_add | cut -d ' ' -f 2) -gt 32 ]; then + echo "WARNING: Your system contains a suspect libglib-2.0. Your version might be built" + echo " to use mutex locking atomic operations. This is a fallback solution to" + echo " a more robust hardware supported atomicity. It might cause reduced " + echo " performance and/or deadlocks. Please contact your distribution support" + echo " about this issue." + echo " Unfortunately this check is not 100% accurate, so this might not be" + echo " the case with your system." + echo "" +fi exec %INSTALL_PREFIX%/%LIBDIR%/ardour3/ardour-%VERSION% "$@" -- cgit v1.2.3