-/* Copyright (c) 2007-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2021. 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. */
#include "src/simix/smx_private.hpp"
#include "src/surf/surf_interface.hpp"
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context);
+#include <vector>
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context);
namespace simgrid {
namespace kernel {
ContextFactory::~ContextFactory() = default;
-static thread_local Context* smx_current_context = nullptr;
+thread_local Context* Context::current_context_ = nullptr;
+
+#ifndef WIN32
+/* Install or disable alternate signal stack, for SIGSEGV handler. */
+int Context::install_sigsegv_stack(stack_t* old_stack, bool enable)
+{
+ static std::vector<unsigned char> sigsegv_stack(SIGSTKSZ);
+ stack_t stack;
+ stack.ss_sp = sigsegv_stack.data();
+ stack.ss_size = sigsegv_stack.size();
+ stack.ss_flags = enable ? 0 : SS_DISABLE;
+ return sigaltstack(&stack, old_stack);
+}
+#endif
+
Context* Context::self()
{
- return smx_current_context;
+ return current_context_;
}
void Context::set_current(Context* self)
{
- smx_current_context = self;
+ current_context_ = self;
}
void Context::declare_context(std::size_t size)