undoing accidental deletion

1 files changed, 75 insertions, 0 deletions

diff --git a/ACE/examples/APG/Signals/SigAction.cpp b/ACE/examples/APG/Signals/SigAction.cpp
new file mode 100644
index 00000000000..6d818ae9400
--- /dev/null
+++ b/ACE/examples/APG/Signals/SigAction.cpp
@@ -0,0 +1,75 @@
+// $Id$
+
+#include "ace/OS_NS_unistd.h"
+#include "ace/OS_NS_stdlib.h"
+#include "ace/Log_Msg.h"
+// Listing 1 code/ch11
+#include "ace/Signal.h"
+
+// Forward declaration.
+static void register_actions ();
+
+int ACE_TMAIN (int, ACE_TCHAR *[])
+{
+  ACE_TRACE (ACE_TEXT ("::main"));
+
+  ::register_actions ();    // Register actions to happen.
+
+  // This will be raised immediately.
+  ACE_OS::kill (ACE_OS::getpid(), SIGUSR2);
+
+  // This will pend until the first signal is completely
+  // handled and returns, because we masked it out
+  // in the registerAction call.
+  ACE_OS::kill (ACE_OS::getpid (), SIGUSR1);
+
+  while (ACE_OS::sleep (100) == -1)
+    {
+      if (errno == EINTR)
+        continue;
+      else
+        ACE_OS::exit (1);
+    }
+  return 0;
+}
+// Listing 1
+#if defined (ACE_HAS_SIG_C_FUNC)
+extern "C" {
+#endif
+// Listing 3 code/ch11
+static void my_sighandler (int signo)
+{
+  ACE_TRACE (ACE_TEXT ("::my_sighandler"));
+
+  ACE_OS::kill (ACE_OS::getpid (), SIGUSR1);
+
+  if (signo == SIGUSR1)
+    ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Signal SIGUSR1\n")));
+  else
+    ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Signal SIGUSR2\n")));
+
+  ACE_OS::sleep (10);
+}
+#if defined (ACE_HAS_SIG_C_FUNC)
+}
+#endif
+// Listing 3
+// Listing 2 code/ch11
+static void register_actions ()
+{
+  ACE_TRACE (ACE_TEXT ("::register_actions"));
+
+  ACE_Sig_Action sa (reinterpret_cast <ACE_SignalHandler> (my_sighandler));
+
+  // Make sure we specify that SIGUSR1 will be masked out
+  // during the signal handler's execution.
+  ACE_Sig_Set ss;
+  ss.sig_add (SIGUSR1);
+  sa.mask (ss);
+
+  // Register the same handler function for these
+  // two signals.
+  sa.register_action (SIGUSR1);
+  sa.register_action (SIGUSR2);
+}
+// Listing 2