(cherry picked from commit 8556fad751)
8556fad751
1) Don't allow multiple threads sharing current context, even if they are mutex protected. 2) Remove all XLockDisplay(), XUnLockDisplay() calls, as they were only workarounds for xcb. Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>