1 /* Copyright (c) 2009-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 /* \file ThreadContext.hpp Context switching with native threads */
9 #ifndef SIMGRID_SIMIX_THREAD_CONTEXT_HPP
10 #define SIMGRID_SIMIX_THREAD_CONTEXT_HPP
12 #include <simgrid/simix.hpp>
19 class ThreadContextFactory;
21 class ThreadContext : public Context {
23 friend ThreadContextFactory;
24 ThreadContext(std::function<void()> code,
25 void_pfn_smxprocess_t cleanup_func,
26 smx_process_t process);
29 void suspend() override;
31 /** A portable thread */
32 xbt_os_thread_t thread_ = nullptr;
33 /** Semaphore used to schedule/yield the process */
34 xbt_os_sem_t begin_ = nullptr;
35 /** Semaphore used to schedule/unschedule */
36 xbt_os_sem_t end_ = nullptr;
38 static void* wrapper(void *param);
41 class ThreadContextFactory : public ContextFactory {
43 ThreadContextFactory();
44 ~ThreadContextFactory();
45 virtual ThreadContext* create_context(std::function<void()> code,
46 void_pfn_smxprocess_t cleanup_func, smx_process_t process) override;
47 void run_all() override;
48 ThreadContext* self() override;