Tue May 26 17:46:14 CEST 2009 Tobias Rautenkranz <tobias@rautenkranz.ch>

* Workaround segfault on exit & run test on commit

--- old-kde.ui/util/backtrace.cpp 1970-01-01 01:00:00.000000000 +0100

+++ new-kde.ui/util/backtrace.cpp 2014-10-30 07:22:52.000000000 +0100

@@ -0,0 +1,27 @@

+#include <QDebug>

+

+#define BT_EXPORT __attribute__((visibility("default")))

+

+extern "C" {

+/** Overwrites backtrace_symbols in execinfo.h and does nothing.

+ * Work around segfault in:

+ * ~KIconLoader()

+ * kRealBacktrace(int)

+ * backtrace_symbols

+ *

+ * ~KIconLoader() is called at exit when an KApplication has been constructed.

+ * Somehow a negative number is pased as size to backtrace_symbols:

+ * void* trace[256];

+ * backtrace_symbols(trace, -1219315128); // => SIGSEGV

+ * and segfaults in sysdeps/generic/elf/backtracesyms.c:65

+ */

+BT_EXPORT char**

+backtrace_symbols(void* const* buffer, int size)

+{

+ qDebug() << "libcl-smoke-disable-backtrace: backtrace_symbols workaround\n"

+ << "\tbuffer: " << buffer << "size: " << size;

+ return NULL;

+}

+

+// overwriting backtrace(void** buffer, int size) does not work!?

+}