Remove signal-source headers from public API

Those headers implement a platform-specific mechanism. They are never
used by components directly.

This patch also cleans up a few other remaining platform-specific
artifact such as the Fiasco.OC-specific assert.h.

Issue #1993

repos/base-foc/src/include/base/internal/cap_alloc.h

@@ -16,12 +16,12 @@
 
 /* Genode includes */
 #include <base/native_capability.h>
-#include <util/assert.h>
 #include <util/construct_at.h>
 #include <foc/native_capability.h>
 
 /* base-internal includes */
 #include <base/internal/cap_map.h>
+#include <base/internal/foc_assert.h>
 
 namespace Genode {
 

repos/base-foc/src/include/base/internal/foc_assert.h

@@ -0,0 +1,32 @@
+/*
+ * \brief  Assertion macros for Fiasco.OC
+ * \author Stefan Kalkowski
+ * \date   2012-05-25
+ */
+
+/*
+ * Copyright (C) 2006-2013 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__BASE__INTERNAL__FOC_ASSERT_H_
+#define _INCLUDE__BASE__INTERNAL__FOC_ASSERT_H_
+
+/* Genode includes */
+#include <base/log.h>
+
+/* Fiasco includes */
+namespace Fiasco {
+#include <l4/sys/kdebug.h>
+}
+
+#define ASSERT(e, s) \
+	do { if (!(e)) { \
+		Genode::raw("assertion failed: ", s, __FILE__, __LINE__); \
+		enter_kdebug("ASSERT"); \
+		} \
+	} while(0)
+
+#endif /* _INCLUDE__BASE__INTERNAL__FOC_ASSERT_H_ */

repos/base-foc/src/include/signal_source/client.h

@@ -0,0 +1,66 @@
+/*
+ * \brief  Fiasco.OC-specific signal-source client interface
+ * \author Norman Feske
+ * \author Stefan Kalkowski
+ * \date   2010-02-03
+ *
+ * On Fiasco.OC, the signal source server does not provide a blocking
+ * 'wait_for_signal' function because this kernel does not support out-of-order
+ * IPC replies. Instead, we use an IRQ kernel-object to let the client block
+ * until a signal is present at the server.
+ *
+ * We request the IRQ object capability and attach to the IRQ on construction
+ * of the 'Signal_source_client' object.
+ */
+
+/*
+ * Copyright (C) 2010-2013 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__SIGNAL_SOURCE__CLIENT_H_
+#define _INCLUDE__SIGNAL_SOURCE__CLIENT_H_
+
+#include <base/rpc_client.h>
+#include <base/thread.h>
+#include <signal_source/foc_signal_source.h>
+
+namespace Genode { class Signal_source_client; }
+
+
+class Genode::Signal_source_client : public Rpc_client<Foc_signal_source>
+{
+	private:
+
+		/**
+		 * Capability with 'dst' referring to a Fiasco.OC IRQ object
+		 */
+		Native_capability _sem;
+
+	public:
+
+		/**
+		 * Constructor
+		 */
+		Signal_source_client(Capability<Signal_source> cap);
+
+		/**
+		 * Destructor
+		 */
+		~Signal_source_client();
+
+
+		/*****************************
+		 ** Signal source interface **
+		 *****************************/
+
+		/*
+		 * Build with frame pointer to make GDB backtraces work. See issue #1061.
+		 */
+		__attribute__((optimize("-fno-omit-frame-pointer")))
+		Signal wait_for_signal();
+};
+
+#endif /* _INCLUDE__SIGNAL_SOURCE__CLIENT_H_ */

repos/base-foc/src/include/signal_source/foc_signal_source.h

@@ -0,0 +1,30 @@
+/*
+ * \brief  Fiasco.OC-specific signal source RPC interface
+ * \author Norman Feske
+ * \author Stefan Kalkowski
+ * \date   2011-04-12
+ */
+
+/*
+ * Copyright (C) 2011-2013 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__SIGNAL_SOURCE__FOC_SIGNAL_SOURCE_H_
+#define _INCLUDE__SIGNAL_SOURCE__FOC_SIGNAL_SOURCE_H_
+
+#include <signal_source/signal_source.h>
+#include <base/rpc_server.h>
+
+namespace Genode { struct Foc_signal_source; }
+
+
+struct Genode::Foc_signal_source : Signal_source
+{
+	GENODE_RPC(Rpc_request_semaphore, Native_capability, _request_semaphore);
+	GENODE_RPC_INTERFACE_INHERIT(Signal_source, Rpc_request_semaphore);
+};
+
+#endif /* _INCLUDE__SIGNAL_SOURCE__FOC_SIGNAL_SOURCE_H_ */

repos/base-foc/src/include/signal_source/rpc_object.h

@@ -0,0 +1,38 @@
+/*
+ * \brief  Signal-source server interface
+ * \author Norman Feske
+ * \date   2010-02-03
+ */
+
+/*
+ * Copyright (C) 2010-2013 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__SIGNAL_SOURCE__RPC_OBJECT_H_
+#define _INCLUDE__SIGNAL_SOURCE__RPC_OBJECT_H_
+
+#include <base/rpc_server.h>
+#include <signal_source/foc_signal_source.h>
+
+namespace Genode { struct Signal_source_rpc_object; }
+
+
+struct Genode::Signal_source_rpc_object : Rpc_object<Foc_signal_source,
+                                                     Signal_source_rpc_object>
+{
+	protected:
+
+		Native_capability _blocking_semaphore;
+
+	public:
+
+		Signal_source_rpc_object(Native_capability cap)
+		: _blocking_semaphore(cap) {}
+
+		Native_capability _request_semaphore() { return _blocking_semaphore; }
+};
+
+#endif /* _INCLUDE__SIGNAL_SOURCE__RPC_OBJECT_H_ */