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Add a tracing entry when executing a signal handler.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24333 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-03-09 17:45:52 +00:00
parent c1de3c34b3
commit 6e4432bc6f
1 changed files with 24 additions and 0 deletions
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24
src/system/kernel/signal.cpp
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@ -83,6 +83,28 @@ class HandleSignals : public AbstractTraceEntry {
};
class ExecuteSignalHandler : public AbstractTraceEntry {
public:
ExecuteSignalHandler(int signal, struct sigaction* handler)
:
fSignal(signal),
fHandler((void*)handler->sa_handler)
{
Initialized();
}
virtual void AddDump(TraceOutput& out)
{
out.Print("signal exec handler: signal: %d, handler: %p",
fSignal, fHandler);
}
private:
int fSignal;
void* fHandler;
};
class SendSignal : public AbstractTraceEntry {
public:
SendSignal(pid_t target, uint32 signal, uint32 flags)
@ -388,6 +410,8 @@ handle_signals(struct thread *thread)
if (!restart || (handler->sa_flags & SA_RESTART) == 0)
atomic_and(&thread->flags, ~THREAD_FLAGS_RESTART_SYSCALL);
T(ExecuteSignalHandler(signal, handler));
TRACE(("### Setting up custom signal handler frame...\n"));
arch_setup_signal_frame(thread, handler, signal,
atomic_get(&thread->sig_block_mask));