Inline SIMIX_context_get_current()

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

diff --git a/src/kernel/context/Context.hpp b/src/kernel/context/Context.hpp
index dd4e482..c543f41 100644 (file)
--- a/src/kernel/context/Context.hpp
+++ b/src/kernel/context/Context.hpp
@@ -6,11 +6,15 @@
 #ifndef SIMGRID_KERNEL_CONTEXT_CONTEXT_HPP
 #define SIMGRID_KERNEL_CONTEXT_CONTEXT_HPP
 
+#include "simgrid/forward.h"
 #include "src/internal_config.h"
-#include "src/simix/smx_network_private.hpp"
+#include "src/kernel/activity/ActivityImpl.hpp"
 
 #include <csignal>
 
+/* Process creation/destruction callbacks */
+typedef void (*void_pfn_smxprocess_t)(smx_actor_t);
+
 namespace simgrid {
 namespace kernel {
 namespace context {
@@ -24,50 +28,57 @@ public:
   virtual ~ContextFactory();
   virtual Context* create_context(std::function<void()> code, void_pfn_smxprocess_t cleanup, smx_actor_t process) = 0;
 
-  // Optional methods for attaching main() as a context:
-
-  /** Creates a context from the current context of execution
-   *
-   *  This will not work on all implementation of `ContextFactory`.
-   */
+  /** Turn the current thread into a simulation context */
   virtual Context* attach(void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
+  /** Turn the current thread into maestro (the old maestro becomes a regular actor) */
   virtual Context* create_maestro(std::function<void()> code, smx_actor_t process);
 
   virtual void run_all() = 0;
+  /** @brief Returns the current context of this thread. */
   virtual Context* self();
   std::string const& name() const { return name_; }
-private:
-  void declare_context(void* T, std::size_t size);
 
 protected:
   template <class T, class... Args> T* new_context(Args&&... args)
   {
     T* context = new T(std::forward<Args>(args)...);
-    this->declare_context(context, sizeof(T));
+    context->declare_context(sizeof(T));
     return context;
   }
 };
 
 class XBT_PUBLIC Context {
+  friend ContextFactory;
+
 private:
   std::function<void()> code_;
   void_pfn_smxprocess_t cleanup_func_ = nullptr;
-  smx_actor_t process_                = nullptr;
+  smx_actor_t actor_                  = nullptr;
+  void declare_context(std::size_t size);
 
 public:
   class StopRequest {
     /** @brief Exception launched to kill a process, in order to properly unwind its stack and release RAII stuff
      *
-     * Nope, Sonar, this should not inherit of std::exception.
+     * Nope, Sonar, this should not inherit of std::exception nor of simgrid::Exception.
      * Otherwise, users may accidentally catch it with a try {} catch (std::exception)
      */
+  public:
+    StopRequest() = default;
+    explicit StopRequest(std::string msg) : msg_(msg) {}
+
+  private:
+    std::string msg_;
   };
-  bool iwannadie;
+  bool iwannadie = false;
 
   Context(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process);
+  Context(const Context&) = delete;
+  Context& operator=(const Context&) = delete;
+
   void operator()() { code_(); }
   bool has_code() const { return static_cast<bool>(code_); }
-  smx_actor_t process() { return this->process_; }
+  smx_actor_t process() { return this->actor_; }
   void set_cleanup(void_pfn_smxprocess_t cleanup) { cleanup_func_ = cleanup; }
 
   // Virtual methods
@@ -78,8 +89,8 @@ public:
 
 class XBT_PUBLIC AttachContext : public Context {
 public:
-  AttachContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
-      : Context(std::move(code), cleanup_func, process)
+  AttachContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t actor)
+      : Context(std::move(code), cleanup_func, actor)
   {
   }
 
@@ -136,7 +147,6 @@ XBT_PRIVATE void *SIMIX_context_stack_new();
 XBT_PRIVATE void SIMIX_context_stack_delete(void *stack);
 
 XBT_PUBLIC void SIMIX_context_set_current(smx_context_t context);
-XBT_PRIVATE smx_context_t SIMIX_context_get_current();
 
 XBT_PUBLIC int SIMIX_process_get_maxpid();