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a99989af40
This patch moves the thread operations from the 'Cpu_session' to the 'Cpu_thread' interface. A noteworthy semantic change is the meaning of the former 'exception_handler' function, which used to define both, the default exception handler or a thread-specific signal handler. Now, the 'Cpu_session::exception_sigh' function defines the CPU-session-wide default handler whereas the 'Cpu_thread::exception_sigh' function defines the thread-specific one. To retain the ability to create 'Child' objects without invoking a capability, the child's initial thread must be created outside the 'Child::Process'. It is now represented by the 'Child::Initial_thread', which is passed as argument to the 'Child' constructor. Fixes #1939
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
/*
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* \brief Client-side CPU thread interface
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* \author Norman Feske
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* \date 2016-05-10
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*/
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/*
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* Copyright (C) 2016 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__CPU_THREAD__CLIENT_H_
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#define _INCLUDE__CPU_THREAD__CLIENT_H_
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#include <cpu_thread/cpu_thread.h>
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#include <base/rpc_client.h>
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namespace Genode { struct Cpu_thread_client; }
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struct Genode::Cpu_thread_client : Rpc_client<Cpu_thread>
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{
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explicit Cpu_thread_client(Thread_capability cap)
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: Rpc_client<Cpu_thread>(cap) { }
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Dataspace_capability utcb() override {
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return call<Rpc_utcb>(); }
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void start(addr_t ip, addr_t sp) override {
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call<Rpc_start>(ip, sp); }
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void pause() override {
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call<Rpc_pause>(); }
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void resume() override {
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call<Rpc_resume>(); }
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void cancel_blocking() override {
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call<Rpc_cancel_blocking>(); }
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Thread_state state() override {
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return call<Rpc_get_state>(); }
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void state(Thread_state const &state) override {
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call<Rpc_set_state>(state); }
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void exception_sigh(Signal_context_capability handler) override {
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call<Rpc_exception_sigh>(handler); }
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void single_step(bool enabled) override {
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call<Rpc_single_step>(enabled); }
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void affinity(Affinity::Location location) override {
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call<Rpc_affinity>(location); }
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unsigned trace_control_index() override {
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return call<Rpc_trace_control_index>(); }
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Dataspace_capability trace_buffer() override {
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return call<Rpc_trace_buffer>(); }
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Dataspace_capability trace_policy() override {
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return call<Rpc_trace_policy>(); }
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};
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#endif /* _INCLUDE__CPU_THREAD__CLIENT_H_ */
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