X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d0e93a6a4400978f6473c813eb434437ab540b2d..90bddc474870ce50b5398b88c7de59336d00a85f:/src/kernel/context/ContextSwapped.cpp diff --git a/src/kernel/context/ContextSwapped.cpp b/src/kernel/context/ContextSwapped.cpp index 599d52a6b3..aff10af720 100644 --- a/src/kernel/context/ContextSwapped.cpp +++ b/src/kernel/context/ContextSwapped.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2009-2022. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2009-2023. 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. */ @@ -9,25 +9,14 @@ #include "src/kernel/EngineImpl.hpp" #include "src/kernel/actor/ActorImpl.hpp" #include "src/sthread/sthread.h" -#include "xbt/parmap.hpp" +#include "src/xbt/parmap.hpp" #include "src/kernel/context/ContextSwapped.hpp" #include #include -#include - -#ifdef _WIN32 -#include -#include -#else #include -#endif - -#ifdef __MINGW32__ -#define _aligned_malloc __mingw_aligned_malloc -#define _aligned_free __mingw_aligned_free -#endif /*MINGW*/ +#include #if HAVE_VALGRIND_H #include @@ -93,21 +82,10 @@ SwappedContext::SwappedContext(std::function&& code, actor::ActorImpl* a #endif size_t size = actor->get_stacksize() + guard_size; -#if SIMGRID_HAVE_MC - /* Cannot use posix_memalign when SIMGRID_HAVE_MC. Align stack by hand, and save the - * pointer returned by xbt_malloc0. */ - auto* alloc = static_cast(xbt_malloc0(size + xbt_pagesize)); - stack_ = alloc - (reinterpret_cast(alloc) & (xbt_pagesize - 1)) + xbt_pagesize; - reinterpret_cast(stack_)[-1] = alloc; -#elif !defined(_WIN32) void* alloc; xbt_assert(posix_memalign(&alloc, xbt_pagesize, size) == 0, "Failed to allocate stack."); this->stack_ = static_cast(alloc); -#else - this->stack_ = static_cast(_aligned_malloc(size, xbt_pagesize)); -#endif -#ifndef _WIN32 /* This is fatal. We are going to fail at some point when we try reusing this. */ xbt_assert( mprotect(this->stack_, guard_size, PROT_NONE) != -1, @@ -117,7 +95,7 @@ SwappedContext::SwappedContext(std::function&& code, actor::ActorImpl* a "Please see https://simgrid.org/doc/latest/Configuring_SimGrid.html#configuring-the-user-code-virtualization " "for more information.", strerror(errno)); -#endif + this->stack_ = this->stack_ + guard_size; } else { this->stack_ = static_cast(xbt_malloc0(actor->get_stacksize())); @@ -154,19 +132,13 @@ SwappedContext::~SwappedContext() VALGRIND_STACK_DEREGISTER(valgrind_stack_id_); #endif -#ifndef _WIN32 if (guard_size > 0 && not MC_is_active()) { stack_ = stack_ - guard_size; if (mprotect(stack_, guard_size, PROT_READ | PROT_WRITE) == -1) { XBT_WARN("Failed to remove page protection: %s", strerror(errno)); /* try to pursue anyway */ } -#if SIMGRID_HAVE_MC - /* Retrieve the saved pointer. See the initialization above. */ - stack_ = reinterpret_cast(stack_)[-1]; -#endif } -#endif /* not windows */ xbt_free(stack_); } @@ -207,10 +179,11 @@ void SwappedContextFactory::run_all(std::vector const& actors * stuff It is much easier to understand what happens if you see the working threads as bodies that swap their soul * for the ones of the simulated processes that must run. */ - if (is_parallel()) { + if (Context::is_parallel()) { // We lazily create the parmap so that all options are actually processed when doing so. if (parmap_ == nullptr) - parmap_ = std::make_unique>(get_nthreads(), get_parallel_mode()); + parmap_ = + std::make_unique>(Context::get_nthreads(), Context::parallel_mode); // Usually, Parmap::apply() executes the provided function on all elements of the array. // Here, the executed function does not return the control to the parmap before all the array is processed: