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nova: catch exception when leaving thread::entry()

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Catch exceptions and try to make a printf. If this also fails, catch
it and die causing some noise output in core to detect the situation.
This commit is contained in:
Alexander Boettcher 2013-07-09 17:06:02 +02:00 committed by Norman Feske
parent 8655b58953
commit 4e47cd2568
1 changed files with 23 additions and 2 deletions
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25
base-nova/src/base/thread/thread_nova.cc
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@ -36,8 +36,29 @@ using namespace Genode;
*/
void Thread_base::_thread_start()
{
Genode::Thread_base::myself()->entry();
Thread_base::myself()->_join_lock.unlock();
using namespace Genode;
/* if the inner catch handling fails, let thread die with some noise */
try {
/* catch any exception at this point and try to print a error message */
try {
Thread_base::myself()->entry();
} catch (...) {
char thread_name[48];
Thread_base::myself()->name(thread_name, sizeof(thread_name));
PERR("Thread '%s' died because of an uncaught exception", thread_name);
}
Thread_base::myself()->_join_lock.unlock();
} catch (...) {
/* die in a noisy way */
nova_die();
}
/* sleep silently */
Genode::sleep_forever();
}