/* context_thread - implementation of context switching with native threads */
-/* Copyright (c) 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2009-2014. 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 "xbt/function_types.h"
-#include "private.h"
+#include "smx_private.h"
#include "portable.h" /* loads context system definitions */
#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);
static void smx_ctx_thread_suspend(smx_context_t context);
-static void smx_ctx_thread_resume(smx_context_t new_context);
-static void smx_ctx_thread_runall_serial(xbt_dynar_t processes);
-static void smx_ctx_thread_runall_parallel(xbt_dynar_t processes);
+static void smx_ctx_thread_runall_serial(void);
+static void smx_ctx_thread_runall_parallel(void);
static smx_context_t smx_ctx_thread_self(void);
static int smx_ctx_thread_factory_finalize(smx_context_factory_t *factory);
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);
{
smx_ctx_thread_t context = (smx_ctx_thread_t) pcontext;
- /* check if this is the context of maestro (it doesn't has a real thread) */
+ /* check if this is the context of maestro (it doesn't have a real thread) */
if (context->thread) {
/* wait about the thread terminason */
xbt_os_thread_join(context->thread, NULL);
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);
xbt_os_sem_acquire(smx_ctx_thread_sem);
}
-static void smx_ctx_thread_runall_serial(xbt_dynar_t processes)
+static void smx_ctx_thread_runall_serial(void)
{
smx_process_t process;
unsigned int cursor;
- xbt_dynar_foreach(processes, cursor, process) {
+ xbt_dynar_foreach(simix_global->process_to_run, cursor, process) {
xbt_os_sem_release(((smx_ctx_thread_t) process->context)->begin);
xbt_os_sem_acquire(((smx_ctx_thread_t) process->context)->end);
}
- xbt_dynar_reset(processes);
}
-static void smx_ctx_thread_runall_parallel(xbt_dynar_t processes)
+static void smx_ctx_thread_runall_parallel(void)
{
unsigned int index;
smx_process_t process;
- xbt_dynar_foreach(processes, index, process)
+ xbt_dynar_foreach(simix_global->process_to_run, index, process)
xbt_os_sem_release(((smx_ctx_thread_t) process->context)->begin);
- xbt_dynar_foreach(processes, index, process) {
+ xbt_dynar_foreach(simix_global->process_to_run, index, process) {
xbt_os_sem_acquire(((smx_ctx_thread_t) process->context)->end);
}
- xbt_dynar_reset(processes);
}
static smx_context_t smx_ctx_thread_self(void)