common: Factor out common initializer code into a header

1 files changed, 94 insertions, 0 deletions

diff --git a/common/init.h b/common/init.h
new file mode 100644
index 0000000..c36b125
--- /dev/null
+++ b/common/init.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2011 Collabora Ltd
+ * Copyright (c) 2012 Stef Walter
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *     * Redistributions of source code must retain the above
+ *       copyright notice, this list of conditions and the
+ *       following disclaimer.
+ *     * Redistributions in binary form must reproduce the
+ *       above copyright notice, this list of conditions and
+ *       the following disclaimer in the documentation and/or
+ *       other materials provided with the distribution.
+ *     * The names of contributors to this software may not be
+ *       used to endorse or promote products derived from this
+ *       software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ *
+ * CONTRIBUTORS
+ *  Stef Walter <stef@thewalter.net>
+ */
+
+#include "library.h"
+
+#ifdef OS_UNIX
+
+void INIT (void);
+
+void FINI (void);
+
+#ifdef __GNUC__
+__attribute__((constructor))
+#endif
+void
+INIT (void)
+{
+	p11_library_init ();
+}
+
+#ifdef __GNUC__
+__attribute__((destructor))
+#endif
+void
+FINI (void)
+{
+	CLEANUP;
+	p11_library_uninit ();
+}
+
+#endif /* OS_UNIX */
+
+#ifdef OS_WIN32
+
+BOOL WINAPI DllMain (HINSTANCE, DWORD, LPVOID);
+
+BOOL WINAPI
+DllMain (HINSTANCE instance,
+         DWORD reason,
+         LPVOID reserved)
+{
+	switch (reason) {
+	case DLL_PROCESS_ATTACH:
+		p11_library_init ();
+		break;
+	case DLL_THREAD_DETACH:
+		p11_library_thread_cleanup ();
+		break;
+	case DLL_PROCESS_DETACH:
+		CLEANUP;
+		p11_library_uninit ();
+		break;
+	default:
+		break;
+	}
+
+	return TRUE;
+}
+
+#endif /* OS_WIN32 */