X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ecd5f7562caf1d443bf22788fa5f4fac408776ec..c68caf0f27b0fdde9df0a39857e5a162fc196d85:/src/kernel/context/ContextThread.hpp diff --git a/src/kernel/context/ContextThread.hpp b/src/kernel/context/ContextThread.hpp index 36104b3a36..1f9d06e773 100644 --- a/src/kernel/context/ContextThread.hpp +++ b/src/kernel/context/ContextThread.hpp @@ -1,5 +1,4 @@ -/* Copyright (c) 2009-2017. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2009-2018. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -9,14 +8,16 @@ #ifndef SIMGRID_SIMIX_THREAD_CONTEXT_HPP #define SIMGRID_SIMIX_THREAD_CONTEXT_HPP -#include - +#include "simgrid/simix.hpp" +#include "src/kernel/context/Context.hpp" +#include "src/xbt/OsSemaphore.hpp" +#include "xbt/xbt_os_thread.h" namespace simgrid { namespace kernel { namespace context { -class ThreadContext : public AttachContext { +class XBT_PUBLIC ThreadContext : public AttachContext { public: ThreadContext(std::function code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process, bool maestro); ~ThreadContext() override; @@ -25,28 +26,28 @@ public: void attach_start() override; void attach_stop() override; - bool isMaestro() const { return is_maestro_; } + bool is_maestro() const { return is_maestro_; } void release(); // unblock context's start() void wait(); // wait for context's yield() private: /** A portable thread */ xbt_os_thread_t thread_ = nullptr; - /** Semaphore used to schedule/yield the process */ - xbt_os_sem_t begin_ = nullptr; - /** Semaphore used to schedule/unschedule */ - xbt_os_sem_t end_ = nullptr; + /** Semaphore used to schedule/yield the process (not needed when the maestro is in main, but harmless then) */ + xbt::OsSemaphore begin_{0}; + /** Semaphore used to schedule/unschedule (not needed when the maestro is in main, but harmless then) */ + xbt::OsSemaphore end_{0}; bool is_maestro_; void start(); // match a call to release() void yield(); // match a call to yield() - virtual void start_hook() { /* empty placeholder, called after start() */} - virtual void yield_hook() { /* empty placeholder, called before yield() */} + virtual void start_hook() { /* empty placeholder, called after start(). Used in parallel mode and Java */} + virtual void yield_hook() { /* empty placeholder, called before yield(). Used in parallel mode */} static void* wrapper(void *param); }; -class SerialThreadContext : public ThreadContext { +class XBT_PUBLIC SerialThreadContext : public ThreadContext { public: SerialThreadContext(std::function code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process, bool maestro) : ThreadContext(std::move(code), cleanup_func, process, maestro) @@ -69,7 +70,7 @@ public: static void run_all(); private: - static xbt_os_sem_t thread_sem_; + static xbt::OsSemaphore* thread_sem_; void start_hook() override; void yield_hook() override; @@ -86,7 +87,6 @@ public: return create_context(std::move(code), cleanup_func, process, maestro); } void run_all() override; - ThreadContext* self() override { return static_cast(xbt_os_thread_get_extra_data()); } // Optional methods: ThreadContext* attach(void_pfn_smxprocess_t cleanup_func, smx_actor_t process) override