X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ec4fa94c499ef2a6051ef5ca3fb5278ca0d219bd..17c4021b9c816f8b96b2d1eb15ed36eb090c7d9d:/src/kernel/context/ContextRaw.cpp diff --git a/src/kernel/context/ContextRaw.cpp b/src/kernel/context/ContextRaw.cpp index 9351c54814..88082ab68c 100644 --- a/src/kernel/context/ContextRaw.cpp +++ b/src/kernel/context/ContextRaw.cpp @@ -3,73 +3,14 @@ /* 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. */ -#include "src/internal_config.h" - -#include "xbt/parmap.hpp" +#include "ContextRaw.hpp" #include "mc/mc.h" -#include "src/simix/smx_private.hpp" +#include "src/internal_config.h" +#include "xbt/parmap.hpp" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context); -// ***** Class definitions - -namespace simgrid { -namespace kernel { -namespace context { - -class RawContext; -class RawContextFactory; - -/** @brief Fast context switching inspired from SystemV ucontexts. - * - * The main difference to the System V context is that Raw Contexts are much faster because they don't - * preserve the signal mask when switching. This saves a system call (at least on Linux) on each context switch. - */ -class RawContext : public Context { -private: - void* stack_ = nullptr; - /** pointer to top the stack stack */ - void* stack_top_ = nullptr; - -public: - friend class RawContextFactory; - RawContext(std::function code, - void_pfn_smxprocess_t cleanup_func, - smx_actor_t process); - ~RawContext() override; - - static void wrapper(void* arg); - void stop() override; - void suspend() override; - void resume(); -private: - void suspend_serial(); - void suspend_parallel(); - void resume_serial(); - void resume_parallel(); -}; - -class RawContextFactory : public ContextFactory { -public: - RawContextFactory(); - ~RawContextFactory() override; - RawContext* create_context(std::function code, - void_pfn_smxprocess_t cleanup, smx_actor_t process) override; - void run_all() override; -private: - void run_all_serial(); - void run_all_parallel(); -}; - -ContextFactory* raw_factory() -{ - XBT_VERB("Using raw contexts. Because the glibc is just not good enough for us."); - return new RawContextFactory(); -} - -}}} // namespace - // ***** Loads of static stuff #if HAVE_THREAD_CONTEXTS @@ -447,4 +388,9 @@ void RawContext::resume_parallel() #endif } +ContextFactory* raw_factory() +{ + XBT_VERB("Using raw contexts. Because the glibc is just not good enough for us."); + return new RawContextFactory(); +} }}}