88db3c0df7
Issue #1987
164 lines
4.3 KiB
C++
164 lines
4.3 KiB
C++
/*
|
|
* \brief Implementation of the CPU session interface
|
|
* \author Christian Prochaska
|
|
* \date 2016-01-19
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2016-2017 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU Affero General Public License version 3.
|
|
*/
|
|
|
|
/* Genode includes */
|
|
#include <base/env.h>
|
|
#include "cpu_session_component.h"
|
|
#include <util/arg_string.h>
|
|
#include <util/list.h>
|
|
|
|
using namespace Genode;
|
|
using namespace Cpu_sampler;
|
|
|
|
|
|
Thread_capability
|
|
Cpu_sampler::Cpu_session_component::create_thread(Pd_session_capability pd,
|
|
Name const &name,
|
|
Affinity::Location affinity,
|
|
Weight weight,
|
|
addr_t utcb)
|
|
{
|
|
Cpu_thread_component *cpu_thread = new (_md_alloc)
|
|
Cpu_thread_component(*this, _env,
|
|
_md_alloc,
|
|
pd,
|
|
name,
|
|
affinity,
|
|
weight,
|
|
utcb,
|
|
name.string(),
|
|
_next_thread_id);
|
|
|
|
_thread_list.insert(new (_md_alloc) Thread_element(cpu_thread));
|
|
|
|
_thread_list_change_handler.thread_list_changed();
|
|
|
|
_next_thread_id++;
|
|
|
|
return cpu_thread->cap();
|
|
}
|
|
|
|
|
|
void Cpu_sampler::Cpu_session_component::kill_thread(Thread_capability thread_cap)
|
|
{
|
|
auto lambda = [&] (Thread_element *cpu_thread_element) {
|
|
|
|
Cpu_thread_component *cpu_thread = cpu_thread_element->object();
|
|
|
|
if (cpu_thread->cap() == thread_cap) {
|
|
_thread_list.remove(cpu_thread_element);
|
|
destroy(_md_alloc, cpu_thread_element);
|
|
destroy(_md_alloc, cpu_thread);
|
|
_thread_list_change_handler.thread_list_changed();
|
|
}
|
|
};
|
|
|
|
for_each_thread(_thread_list, lambda);
|
|
|
|
_parent_cpu_session.kill_thread(thread_cap);
|
|
}
|
|
|
|
|
|
void
|
|
Cpu_sampler::Cpu_session_component::exception_sigh(Signal_context_capability handler)
|
|
{
|
|
_parent_cpu_session.exception_sigh(handler);
|
|
}
|
|
|
|
|
|
Affinity::Space Cpu_sampler::Cpu_session_component::affinity_space() const
|
|
{
|
|
return _parent_cpu_session.affinity_space();
|
|
}
|
|
|
|
|
|
Dataspace_capability
|
|
Cpu_sampler::Cpu_session_component::trace_control()
|
|
{
|
|
return _parent_cpu_session.trace_control();
|
|
}
|
|
|
|
|
|
Cpu_sampler::
|
|
Cpu_session_component::
|
|
Cpu_session_component(Rpc_entrypoint &thread_ep,
|
|
Env &env,
|
|
Allocator &md_alloc,
|
|
Thread_list &thread_list,
|
|
Thread_list_change_handler &thread_list_change_handler,
|
|
char const *args)
|
|
: _thread_ep(thread_ep),
|
|
_env(env),
|
|
_id_space_element(_parent_client, _env.id_space()),
|
|
_parent_cpu_session(_env.session<Cpu_session>(_id_space_element.id(), args, Affinity())),
|
|
_md_alloc(md_alloc),
|
|
_thread_list(thread_list),
|
|
_thread_list_change_handler(thread_list_change_handler),
|
|
_session_label(label_from_args(args)),
|
|
_native_cpu_cap(_setup_native_cpu())
|
|
{ }
|
|
|
|
|
|
void Cpu_sampler::Cpu_session_component::upgrade_ram_quota(size_t ram_quota)
|
|
{
|
|
String<64> const args("ram_quota=", ram_quota);
|
|
_env.upgrade(_id_space_element.id(), args.string());
|
|
}
|
|
|
|
|
|
Cpu_sampler::Cpu_session_component::~Cpu_session_component()
|
|
{
|
|
_cleanup_native_cpu();
|
|
|
|
auto lambda = [&] (Thread_element *cpu_thread_element) {
|
|
|
|
Cpu_thread_component *cpu_thread = cpu_thread_element->object();
|
|
|
|
if (cpu_thread->cpu_session_component() == this) {
|
|
_thread_list.remove(cpu_thread_element);
|
|
destroy(_md_alloc, cpu_thread_element);
|
|
destroy(_md_alloc, cpu_thread);
|
|
}
|
|
};
|
|
|
|
for_each_thread(_thread_list, lambda);
|
|
|
|
_thread_list_change_handler.thread_list_changed();
|
|
}
|
|
|
|
|
|
int Cpu_sampler::Cpu_session_component::ref_account(Cpu_session_capability cap)
|
|
{
|
|
return _parent_cpu_session.ref_account(cap);
|
|
}
|
|
|
|
|
|
int Cpu_sampler::Cpu_session_component::transfer_quota(Cpu_session_capability cap,
|
|
size_t size)
|
|
{
|
|
return _parent_cpu_session.transfer_quota(cap, size);
|
|
}
|
|
|
|
|
|
Cpu_session::Quota Cpu_sampler::Cpu_session_component::quota()
|
|
{
|
|
return _parent_cpu_session.quota();
|
|
}
|
|
|
|
|
|
Capability<Cpu_session::Native_cpu>
|
|
Cpu_sampler::Cpu_session_component::native_cpu()
|
|
{
|
|
return _native_cpu_cap;
|
|
}
|