Initial revision

1 files changed, 148 insertions, 0 deletions

diff --git a/ace/IPC_SAP.cpp b/ace/IPC_SAP.cpp
new file mode 100644
index 00000000000..74d914d1c4f
--- /dev/null
+++ b/ace/IPC_SAP.cpp
@@ -0,0 +1,148 @@
+// IPC_SAP.cpp
+// $Id$
+
+#define ACE_BUILD_DLL
+#include "ace/Log_Msg.h"
+#include "ace/IPC_SAP.h"
+
+ACE_ALLOC_HOOK_DEFINE(ACE_IPC_SAP)
+
+void
+ACE_IPC_SAP::dump (void) const
+{
+  ACE_TRACE ("ACE_IPC_SAP::dump");
+
+  ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
+  ACE_DEBUG ((LM_DEBUG, "handle_ = %d", this->handle_));
+  ACE_DEBUG ((LM_DEBUG, "\npid_ = %d", this->pid_));
+  ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
+}
+
+// Cache for the process ID. 
+pid_t ACE_IPC_SAP::pid_ = 0;
+
+// This is the do-nothing constructor.  It does not perform a
+// ACE_OS::socket system call.
+
+ACE_IPC_SAP::ACE_IPC_SAP (void)
+  : handle_ (ACE_INVALID_HANDLE)
+{
+//  ACE_TRACE ("ACE_IPC_SAP::ACE_IPC_SAP");
+}
+
+// Make the HANDLE_ available for asynchronous I/O (SIGIO), urgent
+// data (SIGURG), or non-blocking I/O (ACE_NONBLOCK).
+
+int
+ACE_IPC_SAP::enable (int signum) const
+{
+  ACE_TRACE ("ACE_IPC_SAP::enable");
+
+  // First-time in initialization.
+  if (ACE_IPC_SAP::pid_ == 0)
+    ACE_IPC_SAP::pid_ = ACE_OS::getpid ();
+
+#if defined(ACE_WIN32)
+  switch (signum)
+    {
+    case ACE_NONBLOCK:
+    // nonblocking argument (1) 
+    // blocking:            (0)
+      {
+	u_long nonblock = 1;
+	return ACE_OS::ioctl (this->handle_, FIONBIO, &nonblock);
+      }
+    default:
+      errno = ENOTSUP;
+      return -1;
+    }
+#else
+  switch (signum)
+    {
+#if defined (SIGURG)
+    case SIGURG:
+#if defined (F_SETOWN)
+      if (ACE_OS::fcntl (this->handle_, F_SETOWN, ACE_IPC_SAP::pid_) < 0)
+	return -1;
+#else
+      return -1;
+#endif /* F_SETOWN */
+      break;
+#endif /* SIGURG */
+    case SIGIO:
+#if defined (F_SETOWN) && defined (FASYNC)
+      if (ACE_OS::fcntl (this->handle_, F_SETOWN, ACE_IPC_SAP::pid_) == -1)
+	return -1;
+      if (ACE::set_flags (this->handle_, FASYNC) == -1)
+	return -1;
+#else
+      return -1;
+#endif /* F_SETOWN && FASYNC */
+      break;
+    case ACE_NONBLOCK:
+      if (ACE::set_flags (this->handle_, ACE_NONBLOCK) == ACE_INVALID_HANDLE)
+	return -1;
+      break;
+    default:
+      return -1;
+    }
+#endif /* !ACE_WIN32 */
+  return 0;
+}
+
+// Restore the IPC_SAPet by turning off synchronous I/O or urgent
+// delivery.
+
+int
+ACE_IPC_SAP::disable (int signum) const
+{
+  ACE_TRACE ("ACE_IPC_SAP::disable");
+
+#if defined(ACE_WIN32)
+  switch (signum)
+    {
+    case ACE_NONBLOCK:
+      // nonblocking argument (1) 
+      // blocking:            (0)
+      {
+	u_long nonblock = 0;
+	return ACE_OS::ioctl (this->handle_, FIONBIO, &nonblock);
+      }
+    default:
+      errno = ENOTSUP;
+      return -1;
+    }
+#else
+  switch (signum)
+    {
+#if defined (SIGURG)
+    case SIGURG:
+#if defined (F_SETOWN)
+      if (ACE_OS::fcntl (this->handle_, F_SETOWN, 0) == -1)
+	return -1;
+      break;
+#else
+      return -1;
+#endif /* F_SETOWN */
+#endif /* SIGURG */
+    case SIGIO:
+#if defined (F_SETOWN) && defined (FASYNC)
+      if (ACE_OS::fcntl (this->handle_, F_SETOWN, 0) == -1)
+	return -1;
+      if (ACE::clr_flags (this->handle_, FASYNC) == -1)
+	return -1;
+      break;
+#else
+      return -1;
+#endif /* F_SETOWN && FASYNC */
+    case ACE_NONBLOCK:
+      if (ACE::clr_flags (this->handle_, ACE_NONBLOCK) == -1)
+	return -1;
+      break;
+    default:
+      return -1;
+    }
+#endif /* !ACE_WIN32 */
+  return 0;
+}
+