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base-linux: coding style
This commit is contained in:
Norman Feske
committed by
Christian Helmuth
Christian Helmuth
parent
dc016cbd5c
commit
0dcb526ae5
@ -79,37 +79,45 @@ static Genode::Env *_env_ptr;
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namespace Genode {
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extern void bootstrap_component();
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extern void call_global_static_constructors();
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/*
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* This function is normally provided by the cxx library, which is not
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* used for lx_hybrid programs. For lx_hybrid programs, the exception
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* handling is initialized by the host system's regular startup code.
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*
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* However, we conveniently use this function to get hold of the
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* component's environment and initialize the default log output.
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*/
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void init_exception_handling(Env &env)
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{
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_env_ptr = &env;
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init_log(env.parent());
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}
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struct Thread_meta_data_created;
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struct Thread_meta_data_adopted;
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}
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/*
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* This function is normally provided by the cxx library, which is not
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* used for lx_hybrid programs. For lx_hybrid programs, the exception
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* handling is initialized by the host system's regular startup code.
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*
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* However, we conveniently use this function to get hold of the
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* component's environment and initialize the default log output.
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*/
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void Genode::init_exception_handling(Env &env)
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{
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_env_ptr = &env;
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init_log(env.parent());
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}
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/*
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* Static constructors are handled by the Linux startup code - so implement
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* this as empty function.
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*/
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void Genode::call_global_static_constructors() { }
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Genode::size_t Component::stack_size() __attribute__((weak));
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Genode::size_t Component::stack_size()
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{
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return 16UL * 1024 * sizeof(Genode::addr_t);
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}
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/*
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* Hybrid components are not allowed to implement legacy main(). This enables
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* us to hook in and bootstrap components as usual.
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@ -184,165 +192,164 @@ static pthread_key_t tls_key()
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}
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namespace Genode {
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/**
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* Meta data tied to the thread via the pthread TLS mechanism
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*/
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struct Genode::Native_thread::Meta_data
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{
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/**
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* Linux-specific thread meta data
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*
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* For non-hybrid programs, this information is located at the
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* 'Stack'. But the POSIX threads of hybrid programs have no 'Stack'
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* object. So we have to keep the meta data here.
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*/
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Native_thread native_thread { };
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/**
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* Meta data tied to the thread via the pthread TLS mechanism
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* Filled out by 'thread_start' function in the stack of the new
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* thread
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*/
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struct Native_thread::Meta_data
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Thread &thread_base;
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/**
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* POSIX thread handle
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*/
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pthread_t pt { };
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/**
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* Constructor
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*
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* \param thread associated 'Thread' object
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*/
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Meta_data(Thread *thread) : thread_base(*thread)
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{
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/**
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* Linux-specific thread meta data
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*
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* For non-hybrid programs, this information is located at the
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* 'Stack'. But the POSIX threads of hybrid programs have no 'Stack'
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* object. So we have to keep the meta data here.
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*/
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Native_thread native_thread { };
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native_thread.meta_data = this;
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}
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/**
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* Filled out by 'thread_start' function in the stack of the new
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* thread
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*/
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Thread &thread_base;
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virtual ~Meta_data() { }
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/**
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* POSIX thread handle
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*/
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pthread_t pt { };
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/**
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* Used to block the constructor until the new thread has initialized
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* 'id'
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*/
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virtual void wait_for_construction() = 0;
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virtual void constructed() = 0;
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/**
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* Constructor
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*
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* \param thread associated 'Thread' object
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*/
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Meta_data(Thread *thread) : thread_base(*thread)
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{
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native_thread.meta_data = this;
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}
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/**
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* Used to block the new thread until 'start' is called
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*/
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virtual void wait_for_start() = 0;
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virtual void started() = 0;
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virtual ~Meta_data() { }
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/**
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* Used to block the 'join()' function until the 'entry()' is done
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*/
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virtual void wait_for_join() = 0;
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virtual void joined() = 0;
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};
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/**
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* Thread meta data for a thread created by Genode
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*/
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class Genode::Thread_meta_data_created : public Native_thread::Meta_data
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{
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private:
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/**
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* Used to block the constructor until the new thread has initialized
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* 'id'
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*/
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virtual void wait_for_construction() = 0;
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virtual void constructed() = 0;
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Blockade _construct_lock { };
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/**
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* Used to block the new thread until 'start' is called
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*/
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virtual void wait_for_start() = 0;
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virtual void started() = 0;
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Blockade _start_lock { };
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/**
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* Used to block the 'join()' function until the 'entry()' is done
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*/
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virtual void wait_for_join() = 0;
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virtual void joined() = 0;
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};
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Blockade _join_lock { };
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/**
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* Thread meta data for a thread created by Genode
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*/
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class Thread_meta_data_created : public Native_thread::Meta_data
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{
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private:
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public:
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/**
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* Used to block the constructor until the new thread has initialized
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* 'id'
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*/
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Blockade _construct_lock { };
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Thread_meta_data_created(Thread *thread)
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: Native_thread::Meta_data(thread) { }
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/**
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* Used to block the new thread until 'start' is called
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*/
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Blockade _start_lock { };
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void wait_for_construction() override
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{
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_construct_lock.block();
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}
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/**
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* Used to block the 'join()' function until the 'entry()' is done
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*/
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Blockade _join_lock { };
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void constructed() override
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{
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_construct_lock.wakeup();
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}
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public:
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void wait_for_start() override
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{
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_start_lock.block();
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}
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Thread_meta_data_created(Thread *thread)
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: Native_thread::Meta_data(thread) { }
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void started() override
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{
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_start_lock.wakeup();
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}
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void wait_for_construction() override
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{
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_construct_lock.block();
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}
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void wait_for_join() override
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{
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_join_lock.block();
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}
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void constructed() override
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{
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_construct_lock.wakeup();
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}
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void joined() override
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{
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_join_lock.wakeup();
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}
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};
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void wait_for_start() override
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{
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_start_lock.block();
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}
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void started() override
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{
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_start_lock.wakeup();
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}
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/**
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* Thread meta data for an adopted thread
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*/
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class Genode::Thread_meta_data_adopted : public Native_thread::Meta_data
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{
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public:
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void wait_for_join() override
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{
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_join_lock.block();
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}
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Thread_meta_data_adopted(Thread *thread)
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: Native_thread::Meta_data(thread) { }
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void joined() override
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{
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_join_lock.wakeup();
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}
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};
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void wait_for_construction() override
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{
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error("wait_for_construction() called for an adopted thread");
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}
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/**
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* Thread meta data for an adopted thread
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*/
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class Thread_meta_data_adopted : public Native_thread::Meta_data
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{
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public:
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void constructed() override
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{
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error("constructed() called for an adopted thread");
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}
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Thread_meta_data_adopted(Thread *thread)
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: Native_thread::Meta_data(thread) { }
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void wait_for_start() override
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{
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error("wait_for_start() called for an adopted thread");
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}
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void wait_for_construction() override
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{
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error("wait_for_construction() called for an adopted thread");
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}
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void started() override
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{
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error("started() called for an adopted thread");
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}
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void constructed() override
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{
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error("constructed() called for an adopted thread");
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}
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void wait_for_join() override
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{
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error("wait_for_join() called for an adopted thread");
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}
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void wait_for_start() override
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{
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error("wait_for_start() called for an adopted thread");
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}
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void started() override
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{
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error("started() called for an adopted thread");
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}
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void wait_for_join() override
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{
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error("wait_for_join() called for an adopted thread");
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}
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void joined() override
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{
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error("joined() called for an adopted thread");
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}
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};
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}
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void joined() override
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{
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error("joined() called for an adopted thread");
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}
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};
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static void adopt_thread(Native_thread::Meta_data *meta_data)
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