1 files changed, 166 insertions, 0 deletions
diff --git a/examples/APG/Signals/SigInfo.cpp b/examples/APG/Signals/SigInfo.cpp
new file mode 100644
index 00000000000..9043c0b5bda
--- /dev/null
+++ b/examples/APG/Signals/SigInfo.cpp
@@ -0,0 +1,166 @@
+// $Id$
+
+#include "ace/Log_Msg.h"
+#include "ace/Reactor.h"
+#include "ace/Event_Handler.h"
+#include "ace/Signal.h"
+#include "ace/streams.h"
+#include "ace/OS_NS_unistd.h"
+
+#if !defined (ACE_LACKS_UNIX_SIGNALS)
+
+// Listing 1 code/ch11
+class MySignalHandler : public ACE_Event_Handler
+{
+public:
+  MySignalHandler () : ACE_Event_Handler()
+  { }
+
+  // Listing A code/ch11
+  int handle_signal (int signum,
+                     siginfo_t * siginfo = 0,
+                     ucontext_t * = 0)
+  {
+    ACE_DEBUG ((LM_INFO, ACE_TEXT ("Received signal [%S]\n"),
+                signum));
+    if (siginfo == 0)
+      {
+        ACE_DEBUG ((LM_INFO,
+                    ACE_TEXT ("No siginfo_t available for ")
+                    ACE_TEXT ("signal [%S]\n"),
+                    signum));
+        return 0;
+      }
+    // Listing A
+#if defined (__linux__)
+    // Listing B code/ch11
+    ACE_DEBUG ((LM_INFO,
+                ACE_TEXT ("errno for this signal is %d [%s]\n"),
+                siginfo->si_errno,
+                strerror (siginfo->si_errno)));
+    ACE_DEBUG ((LM_INFO,
+                ACE_TEXT ("signal was sent by process %d")
+                ACE_TEXT (" / user %d\n"),
+                siginfo->si_pid,
+                siginfo->si_uid));
+
+    switch (siginfo->si_code)
+      {
+      case SI_TIMER:
+        ACE_DEBUG ((LM_INFO, ACE_TEXT ("Timer expiration\n")));
+        break;
+
+      case SI_USER:
+        ACE_DEBUG ((LM_INFO,
+                    ACE_TEXT ("Sent by kill, sigsend or raise\n")));
+        break;
+
+      case SI_KERNEL:
+        ACE_DEBUG ((LM_INFO,
+                    ACE_TEXT ("Sent by kernel\n")));
+        break;
+        // ...
+      };
+
+    // Listing B
+
+    // Listing C code/ch11
+    switch (signum)
+      {
+      case SIGFPE:
+        switch (siginfo->si_code)
+          {
+          case FPE_INTDIV:
+          case FPE_FLTDIV:
+            ACE_DEBUG ((LM_INFO,
+                        ACE_TEXT ("Divide by zero at %@\n"),
+                        siginfo->si_addr));
+            break;
+
+          case FPE_INTOVF:
+          case FPE_FLTOVF:
+            ACE_DEBUG ((LM_INFO,
+                        ACE_TEXT ("Numeric overflow at %@\n"),
+                        siginfo->si_addr));
+            break;
+
+          // ...
+          }
+        break;
+
+        // Listing C
+        // Listing D code/ch11
+      case SIGSEGV:
+        switch (siginfo->si_code)
+          {
+            // ...
+          };
+        break;
+        // Listing D
+
+        // Listing E code/ch11
+      case SIGCHLD:
+        ACE_DEBUG ((LM_INFO,
+                    ACE_TEXT ("A child process has exited\n")));
+        ACE_DEBUG ((LM_INFO,
+                    ACE_TEXT ("The child consumed %l/%l time\n"),
+                    siginfo->si_utime,
+                    siginfo->si_stime));
+        ACE_DEBUG ((LM_INFO,
+                    ACE_TEXT ("and exited with value %d\n"),
+                    siginfo->si_status));
+        break;
+        // ...
+      }
+    // Listing E
+#endif /* __linux__ */
+    return 0;
+  }
+};
+// Listing 1
+
+#endif /* ACE_LACKS_UNIX_SIGNALS */
+
+#if !defined (ACE_LACKS_UNIX_SIGNALS)
+
+int ACE_TMAIN (int, ACE_TCHAR *[])
+{
+#if defined (ACE_LACKS_FORK)
+  puts ("This requires fork()\n");
+#else
+  // Create a child process so that we can test our
+  // ability to handle SIGCHLD
+
+  // Listing 2 code/ch11
+  ACE_Sig_Set signalSet;
+  signalSet.fill_set ();
+
+  MySignalHandler h1;
+  ACE_Reactor::instance ()->register_handler (signalSet, &h1);
+  pid_t childPid = ACE_OS::fork ();
+  if (childPid == 0)      // This is the parent process.
+    {
+      // Exclude B
+      ACE_OS::sleep (10);
+      return 100;
+      // Exclude B
+    }
+  ACE_Reactor::instance ()->run_reactor_event_loop ();
+  // Listing 2
+
+#endif /* ACE_LACKS_FORK */
+
+  return 0;
+}
+
+#else
+
+int
+ACE_TMAIN (int, ACE_TCHAR *[])
+{
+  ACE_DEBUG ((LM_DEBUG,
+              "This example does not work on this platform.\n"));
+  return 1;
+}
+
+#endif /* !ACE_LACKS_UNIX_SIGNALS */