prevent deadlocks

svn path=/trunk/KDE/kdelibs/; revision=1044840
2009-11-04 19:01:43 +00:00 · 2009-11-04 19:01:43 +00:00 · fd6cd93e9d
commit fd6cd93e9d
parent f58a5a844b
1 changed files with 4 additions and 0 deletions
--- a/runnercontext.cpp
+++ b/runnercontext.cpp
@ -251,6 +251,10 @@ RunnerContext::~RunnerContext()

 RunnerContext &RunnerContext::operator=(const RunnerContext &other)
 {
+    if (this->d == other.d) {
+        return *this;
+    }
+
    LOCK_FOR_WRITE(this)
    LOCK_FOR_READ((&other))
    d = other.d;