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base: make signal framework usable for base-hw

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ref #641
This commit is contained in:
Martin Stein 2013-02-18 13:29:48 +01:00 committed by Norman Feske
parent b35484b8b0
commit 0f8803245a
12 changed files with 101 additions and 60 deletions
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2
base-codezero/lib/mk/base-common.mk
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@ -18,7 +18,7 @@ SRC_CC += child/child.cc
SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc server/common.cc
SRC_CC += thread/thread.cc thread/thread_bootstrap_empty.cc
SRC_CC += env/utcb.cc

2
base-fiasco/lib/mk/base-common.mk
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@ -18,7 +18,7 @@ SRC_CC += child/child.cc
SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc server/common.cc
SRC_CC += thread/thread.cc thread/thread_bootstrap_empty.cc

2
base-foc/lib/mk/base-common.inc
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@ -18,7 +18,7 @@ SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += env/spin_lock.cc env/cap_map.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc server/common.cc
SRC_CC += thread/thread.cc thread/thread_bootstrap.cc

2
base-host/lib/mk/base-common.mk
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@ -18,7 +18,7 @@ SRC_CC += child/child.cc
SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc server/common.cc
SRC_CC += thread/thread.cc thread/thread_bootstrap_empty.cc

2
base-linux/lib/mk/base-common.mk
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@ -17,7 +17,7 @@ SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += env/rm_session_mmap.cc env/debug.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc server/common.cc
INC_DIR += $(REP_DIR)/src/base/lock $(BASE_DIR)/src/base/lock

2
base-nova/lib/mk/base-common.inc
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@ -16,7 +16,7 @@ SRC_CC += child/child.cc
SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc
SRC_CC += thread/thread.cc thread/thread_context.cc

2
base-okl4/lib/mk/base-common.mk
View File

@ -18,7 +18,7 @@ SRC_CC += child/child.cc
SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc server/common.cc
INC_DIR += $(REP_DIR)/src/base/lock

2
base-pistachio/lib/mk/base-common.mk
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@ -18,7 +18,7 @@ SRC_CC += child/child.cc
SRC_CC += process/process.cc
SRC_CC += elf/elf_binary.cc
SRC_CC += lock/lock.cc
SRC_CC += signal/signal.cc
SRC_CC += signal/signal.cc signal/common.cc
SRC_CC += server/server.cc server/common.cc
SRC_CC += thread/thread.cc thread/thread_bootstrap_empty.cc

17
base/include/base/signal.h
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@ -20,8 +20,12 @@
#include <base/semaphore.h>
#include <signal_session/signal_session.h>
/* only needed for base-hw */
namespace Kernel { struct Signal_receiver; }
namespace Genode {
class Signal_source;
class Signal_receiver;
class Signal_context;
class Signal_context_registry;
@ -79,6 +83,7 @@ namespace Genode {
*/
Signal(Data data);
friend class Kernel::Signal_receiver;
friend class Signal_receiver;
friend class Signal_context;
@ -218,7 +223,17 @@ namespace Genode {
{
private:
Semaphore _signal_available; /* signal(s) awaiting to be picked up */
/**
* Semaphore used to indicate that signal(s) are ready to be picked
* up. This is needed for platforms other than 'base-hw' only.
*/
Semaphore _signal_available;
/**
* Provides the kernel-object name via the 'dst' method. This is
* needed for 'base-hw' only.
*/
Signal_receiver_capability _cap;
/**
* List of associated contexts

6
base/include/signal_session/signal_session.h
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@ -22,10 +22,12 @@
namespace Genode {
class Signal_context;
class Signal_receiver;
typedef Capability<Signal_context> Signal_context_capability;
typedef Capability<Signal_source> Signal_source_capability;
typedef Capability<Signal_receiver> Signal_receiver_capability;
typedef Capability<Signal_context> Signal_context_capability;
typedef Capability<Signal_source> Signal_source_capability;
struct Signal_session : Session

73
base/src/base/signal/common.cc Normal file
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@ -0,0 +1,73 @@
/*
* \brief Platform-independent part of signal framework
* \author Norman Feske
* \author Christian Prochaska
* \author Martin Stein
* \date 2013-02-21
*/
/*
* Copyright (C) 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.
*/
/* Genode includes */
#include <base/signal.h>
using namespace Genode;
/************
** Signal **
************/
Signal::Signal(Signal const &other) { _inc_ref(); }
Signal & Signal::operator=(Signal const &other)
{
if ((_data.context == other._data.context) &&
(_data.num == other._data.num))
return *this;
_dec_ref_and_unlock();
_data.context = other._data.context;
_data.num = other._data.num;
_inc_ref();
return *this;
}
Signal::~Signal() { _dec_ref_and_unlock(); };
/************************
** Signal_transmitter **
************************/
Signal_transmitter::Signal_transmitter(Signal_context_capability context)
: _context(context) { }
void Signal_transmitter::context(Signal_context_capability context) {
_context = context; }
/*********************
** Signal_receiver **
*********************/
Signal_receiver::~Signal_receiver()
{
Lock::Guard list_lock_guard(_contexts_lock);
/* disassociate contexts from the receiver */
for (List_element<Signal_context> *le; (le = _contexts.first()); )
_unsynchronized_dissolve(le->object());
}

49
base/src/base/signal/signal.cc
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@ -198,49 +198,10 @@ Signal::Signal(Signal::Data data) : _data(data)
}
Signal::Signal(Signal const &other) : _data(other._data)
{
_inc_ref();
}
Signal::~Signal()
{
_dec_ref_and_unlock();
}
Signal &Signal::operator=(Signal const &other)
{
if ((_data.context == other._data.context)
&& (_data.num == other._data.num))
return *this;
_dec_ref_and_unlock();
_data.context = other._data.context;
_data.num = other._data.num;
_inc_ref();
return *this;
}
/************************
** Signal transmitter **
************************/
Signal_transmitter::Signal_transmitter(Signal_context_capability context)
: _context(context) { }
void Signal_transmitter::context(Signal_context_capability context)
{
_context = context;
}
void Signal_transmitter::submit(unsigned cnt)
{
signal_connection()->submit(_context, cnt);
@ -275,16 +236,6 @@ Signal_receiver::Signal_receiver()
}
Signal_receiver::~Signal_receiver()
{
Lock::Guard list_lock_guard(_contexts_lock);
/* disassociate contexts from the receiver */
for (List_element<Signal_context> *le; (le = _contexts.first()); )
_unsynchronized_dissolve(le->object());
}
Signal_context_capability Signal_receiver::manage(Signal_context *context)
{
if (context->_receiver)