kernel/src/thread/Thread.cpp

@@ -98,6 +98,16 @@ Result<SharedPtr<VFS::Inode>> Thread::resolve_atfile(int dirfd, const String& pa
     unreachable();
 }
 
+enum class DefaultSignalAction
+{
+    Ignore,
+    Terminate,
+};
+
+static constexpr DefaultSignalAction default_actions[] = {
+    DefaultSignalAction::Terminate // SIGABRT
+};
+
 void Thread::process_pending_signals(Registers* current_regs)
 {
     for (int i = 0; i < NSIG; i++)
@@ -123,9 +133,15 @@ void Thread::process_pending_signals(Registers* current_regs)
                     return;
                 }
 
-                kinfoln("signal: using default behavior (handler=SIG_DFL) (terminating)");
-                // FIXME: Add different default handlers for different signals and add signal exit codes.
-                exit_and_signal_parent(255);
+                kinfoln("signal: using default behavior (handler=SIG_DFL)");
+
+                auto action = default_actions[i];
+                switch (action)
+                {
+                case DefaultSignalAction::Ignore: return;
+                // FIXME: Add signal exit codes.
+                case DefaultSignalAction::Terminate: exit_and_signal_parent(255);
+                }
             }
             // If we fail to deliver the signal (usually because there's not enough space on the stack), execute the
             // default action.