Update copyright lines for 2022.

[simgrid.git] / src / kernel / context / Context.hpp

diff --git a/src/kernel/context/Context.hpp b/src/kernel/context/Context.hpp
index 60504fa..edb1e62 100644 (file)
--- a/src/kernel/context/Context.hpp
+++ b/src/kernel/context/Context.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2022. 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. */
@@ -6,7 +6,9 @@
 #ifndef SIMGRID_KERNEL_CONTEXT_CONTEXT_HPP
 #define SIMGRID_KERNEL_CONTEXT_CONTEXT_HPP
 
-#include "simgrid/forward.h"
+#include <simgrid/forward.h>
+#include <xbt/parmap.h>
+
 #include "src/kernel/activity/ActivityImpl.hpp"
 
 #include <csignal>
@@ -15,10 +17,12 @@
 namespace simgrid {
 namespace kernel {
 namespace context {
+extern unsigned stack_size;
+extern unsigned guard_size;
 
 class XBT_PUBLIC ContextFactory {
 public:
-  explicit ContextFactory() {}
+  explicit ContextFactory()             = default;
   ContextFactory(const ContextFactory&) = delete;
   ContextFactory& operator=(const ContextFactory&) = delete;
   virtual ~ContextFactory();
@@ -34,7 +38,7 @@ public:
 protected:
   template <class T, class... Args> T* new_context(Args&&... args)
   {
-    T* context = new T(std::forward<Args>(args)...);
+    auto* context = new T(std::forward<Args>(args)...);
     context->declare_context(sizeof(T));
     return context;
   }
@@ -43,28 +47,37 @@ protected:
 class XBT_PUBLIC Context {
   friend ContextFactory;
 
+  static thread_local Context* current_context_;
+
   std::function<void()> code_;
   actor::ActorImpl* actor_ = nullptr;
+  bool iwannadie_          = false;
+  bool is_maestro_;
   void declare_context(std::size_t size);
 
 public:
-  bool iwannadie = false;
+#ifndef WIN32
+  static int install_sigsegv_stack(stack_t* old_stack, bool enable);
+#endif
 
-  Context(std::function<void()>&& code, actor::ActorImpl* actor);
+  Context(std::function<void()>&& code, actor::ActorImpl* actor, bool maestro);
   Context(const Context&) = delete;
   Context& operator=(const Context&) = delete;
   virtual ~Context();
 
-  void operator()() { code_(); }
+  bool wannadie() const { return iwannadie_; }
+  void set_wannadie(bool value = true) { iwannadie_ = value; }
+  bool is_maestro() const { return is_maestro_; }
+  void operator()() const { code_(); }
   bool has_code() const { return static_cast<bool>(code_); }
-  actor::ActorImpl* get_actor() { return this->actor_; }
+  actor::ActorImpl* get_actor() const { return this->actor_; }
 
   // Scheduling methods
   virtual void stop();
   virtual void suspend() = 0;
 
   // Retrieving the self() context
-  /** @brief Retrives the current context of this thread */
+  /** @brief Retrieves the current context of this thread */
   static Context* self();
   /** @brief Sets the current context of this thread */
   static void set_current(Context* self);
@@ -72,14 +85,15 @@ public:
 
 class XBT_PUBLIC AttachContext : public Context {
 public:
-  AttachContext(std::function<void()>&& code, actor::ActorImpl* actor) : Context(std::move(code), actor) {}
+  AttachContext(std::function<void()>&& code, actor::ActorImpl* actor, bool maestro)
+      : Context(std::move(code), actor, maestro)
+  {
+  }
   AttachContext(const AttachContext&) = delete;
   AttachContext& operator=(const AttachContext&) = delete;
   ~AttachContext() override;
 
-  /** Called by the context when it is ready to give control
-   *  to the maestro.
-   */
+  /** Called by the context when it is ready to give control to the maestro */
   virtual void attach_start() = 0;
 
   /** Called by the context when it has finished its job */
@@ -88,7 +102,7 @@ public:
 
 
 /* This allows Java to hijack the context factory (Java induces factories of factory :) */
-typedef ContextFactory* (*ContextFactoryInitializer)();
+using ContextFactoryInitializer = ContextFactory* (*)();
 XBT_PUBLIC_DATA ContextFactoryInitializer factory_initializer;
 
 XBT_PRIVATE ContextFactory* thread_factory();
@@ -96,24 +110,13 @@ XBT_PRIVATE ContextFactory* sysv_factory();
 XBT_PRIVATE ContextFactory* raw_factory();
 XBT_PRIVATE ContextFactory* boost_factory();
 
+XBT_PUBLIC int is_parallel();
+XBT_PUBLIC int get_nthreads();
+XBT_PUBLIC void set_nthreads(int nb_threads);
+XBT_PUBLIC void set_parallel_mode(e_xbt_parmap_mode_t mode);
+XBT_PUBLIC e_xbt_parmap_mode_t get_parallel_mode();
 } // namespace context
 } // namespace kernel
 } // namespace simgrid
 
-typedef simgrid::kernel::context::ContextFactory *smx_context_factory_t;
-
-XBT_PRIVATE void SIMIX_context_mod_init();
-XBT_PRIVATE void SIMIX_context_mod_exit();
-
-#ifndef WIN32
-XBT_PUBLIC_DATA unsigned char sigsegv_stack[SIGSTKSZ];
-#endif
-
-/** @brief Executes all the processes to run (in parallel if possible). */
-XBT_PRIVATE void SIMIX_context_runall();
-
-XBT_PUBLIC int SIMIX_process_get_maxpid();
-
-XBT_PRIVATE simgrid::simix::ActorCodeFactory& SIMIX_get_actor_code_factory(const std::string& name);
-
 #endif