undoing accidental deletion

1 files changed, 43 insertions, 0 deletions

diff --git a/ACE/examples/APG/Signals/SigGuard.cpp b/ACE/examples/APG/Signals/SigGuard.cpp
new file mode 100644
index 00000000000..679af032904
--- /dev/null
+++ b/ACE/examples/APG/Signals/SigGuard.cpp
@@ -0,0 +1,43 @@
+// $Id$
+
+#include "ace/OS_NS_unistd.h"
+#include "ace/Log_Msg.h"
+#include "ace/Signal.h"
+#include "ace/Sig_Handler.h"
+
+// Listing 1
+class MySignalHandler : public ACE_Event_Handler
+  {
+  public:
+    virtual int handle_signal(int signo,
+                              siginfo_t * = 0, ucontext_t * = 0)
+    {
+      ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Signal %d\n"), signo));
+      return 0;
+    }
+  };
+
+int ACE_TMAIN (int, ACE_TCHAR *[])
+{
+
+  MySignalHandler sighandler;
+  ACE_Sig_Handler sh;
+  sh.register_handler (SIGUSR1, &sighandler);
+
+  ACE_Sig_Set ss;
+  ss.sig_add (SIGUSR1);
+
+  ACE_Sig_Guard guard (&ss);
+  {
+    ACE_DEBUG ((LM_DEBUG,
+                ACE_TEXT ("Entering critical region\n")));
+    ACE_OS::sleep (10);
+    ACE_DEBUG ((LM_DEBUG,
+                ACE_TEXT ("Leaving  critical region\n")));
+  }
+
+  // Do other stuff.
+
+  return 0;
+}
+// Listing 1