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943dfa10e7
This patch replaces the former Child::Process and Child::Process::Loaded_executable classes by static functions that return failure conditions as return values. Issue #5245
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/*
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* \brief Implementation of process creation for Linux
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* \author Norman Feske
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* \date 2006-07-06
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*/
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/*
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* Copyright (C) 2006-2017 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 Affero General Public License version 3.
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*/
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/* Genode includes */
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#include <base/env.h>
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#include <base/child.h>
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#include <base/log.h>
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#include <linux_native_pd/client.h>
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/* base-internal includes */
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#include <linux_syscalls.h>
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#include <base/internal/elf.h>
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using namespace Genode;
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static Thread_capability create_thread(auto &pd, auto &cpu, auto const &name)
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{
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return cpu.create_thread(pd, name, { }, { }).template convert<Thread_capability>(
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[&] (Thread_capability cap) { return cap; },
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[&] (Cpu_session::Create_thread_error) {
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error("failed to create thread via CPU session");
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return Thread_capability(); });
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}
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/*
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* Register main thread at core
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*
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* At this point in time, we do not yet know the TID and PID of the new
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* thread. Those information will be provided to core by the constructor of
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* the 'Platform' of the new process.
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*/
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Child::Initial_thread::Initial_thread(Cpu_session &cpu,
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Pd_session_capability pd,
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Name const &name)
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:
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_cpu(cpu), _cap(create_thread(pd, cpu, name))
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{ }
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Child::Initial_thread::~Initial_thread() { }
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void Child::Initial_thread::start(addr_t, Start &) { }
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Child::Start_result Child::_start_process(Dataspace_capability ldso_ds,
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Pd_session &pd,
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Initial_thread_base &,
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Initial_thread::Start &,
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Region_map &,
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Region_map &,
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Parent_capability)
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{
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Linux_native_pd_client(pd.native_pd()).start(ldso_ds);
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return Start_result::OK;
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}
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