/* context_thread - implementation of context switching with native threads */
-/* Copyright (c) 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2009-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "xbt/swag.h"
#include "xbt/xbt_os_thread.h"
#include "xbt_modinter.h" /* prototype of os thread module's init/exit in XBT */
-#include "simix/context.h"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context);
static xbt_os_sem_t smx_ctx_thread_sem;
static smx_context_t
-smx_ctx_thread_factory_create_context(xbt_main_func_t code, int argc,
- char **argv,
+smx_ctx_thread_factory_create_context(xbt_main_func_t code,
+ int argc, char **argv,
void_pfn_smxprocess_t cleanup_func,
- void *data);
+ smx_process_t process);
static void smx_ctx_thread_free(smx_context_t context);
static void smx_ctx_thread_stop(smx_context_t context);
smx_ctx_thread_factory_create_context(xbt_main_func_t code, int argc,
char **argv,
void_pfn_smxprocess_t cleanup_func,
- void *data)
+ smx_process_t process)
{
smx_ctx_thread_t context = (smx_ctx_thread_t)
smx_ctx_base_factory_create_context_sized(sizeof(s_smx_ctx_thread_t),
code, argc, argv,
- cleanup_func, data);
+ cleanup_func, process);
/* If the user provided a function for the process then use it
otherwise is the context for maestro */
if (code) {
context->begin = xbt_os_sem_init(0);
context->end = xbt_os_sem_init(0);
+ if (smx_context_stack_size_was_set)
+ xbt_os_thread_setstacksize(smx_context_stack_size);
+ if (smx_context_guard_size_was_set)
+ xbt_os_thread_setguardsize(smx_context_guard_size);
+
/* create and start the process */
/* NOTE: The first argument to xbt_os_thread_create used to be the process *
* name, but now the name is stored at SIMIX level, so we pass a null */
context->thread =
xbt_os_thread_create(NULL, smx_ctx_thread_wrapper, context, context);
+
/* wait the starting of the newly created process */
xbt_os_sem_acquire(context->end);
static void *smx_ctx_thread_wrapper(void *param)
{
smx_ctx_thread_t context = (smx_ctx_thread_t) param;
-
+#ifndef WIN32
+ /* Install alternate signal stack, for SIGSEGV handler. */
+ stack_t stack;
+ stack.ss_sp = sigsegv_stack;
+ stack.ss_size = sizeof sigsegv_stack;
+ stack.ss_flags = 0;
+ sigaltstack(&stack, NULL);
+#endif
/* Tell the maestro we are starting, and wait for its green light */
xbt_os_sem_release(context->end);
xbt_os_sem_acquire(context->begin);
unsigned int cursor;
xbt_dynar_foreach(simix_global->process_to_run, cursor, process) {
+ XBT_DEBUG("Handling %p",process);
xbt_os_sem_release(((smx_ctx_thread_t) process->context)->begin);
xbt_os_sem_acquire(((smx_ctx_thread_t) process->context)->end);
}