#include "xbt/dynar.h"
#include "gras_config.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(context, xbt, "Context");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_ctx, xbt, "Context");
#define VOIRP(expr) DEBUG1(" {" #expr " = %p }", expr)
VOIRP(context);
if(context) VOIRP(context->save);
if (context) {
- if(context->save==NULL) {
- int return_value = 0;
+ int return_value = 0;
+ if(context->save==NULL) {
DEBUG0("**** Yielding to somebody else ****");
DEBUG2("Saving current_context value (%p) to context(%p)->save",current_context,context);
context->save = current_context ;
return;
}
-static void *__context_wrapper(void *c)
+static void __context_exit(xbt_context_t context ,int value)
{
- xbt_context_t context = c;
int i;
+ DEBUG0("Freeing arguments");
+ for(i=0;i<context->argc; i++)
+ if(context->argv[i]) free(context->argv[i]);
+ if(context->argv) free(context->argv);
+ if(context->cleanup_func) {
+ DEBUG0("Calling cleanup function");
+ context->cleanup_func(context->cleanup_arg);
+ }
+
+ DEBUG0("Putting context in the to_destroy set");
+ xbt_swag_remove(context, context_living);
+ xbt_swag_insert(context, context_to_destroy);
+ DEBUG0("Context put in the to_destroy set");
+
+ DEBUG0("Yielding");
#ifdef USE_PTHREADS
- DEBUG0("**** Lock ****");
+ DEBUG0("**** Locking ****");
pthread_mutex_lock(&(context->mutex));
+ DEBUG0("**** Updating current_context ****");
+ current_context = context;
DEBUG0("**** Releasing the prisonner ****");
+ pthread_cond_signal(&(context->cond));
+ DEBUG0("**** Unlocking ****");
+ pthread_mutex_unlock(&(context->mutex));
+ DEBUG0("**** Exiting ****");
+ pthread_exit(0);
+#else
+ __xbt_context_yield(context);
+#endif
+ xbt_assert0(0,"You can't be here!");
+}
+
+static void *__context_wrapper(void *c)
+{
+ xbt_context_t context = c;
+
+#ifdef USE_PTHREADS
+ DEBUG2("**[%p:%p]** Lock ****",context,(void*)pthread_self());
+ pthread_mutex_lock(&(context->mutex));
+ DEBUG2("**[%p:%p]** Releasing the prisonner ****",context,(void*)pthread_self());
pthread_cond_signal(&(context->cond));
- DEBUG0("**** Going to Jail ****");
+ DEBUG2("**[%p:%p]** Going to Jail ****",context,(void*)pthread_self());
pthread_cond_wait(&(context->cond), &(context->mutex));
- DEBUG0("**** Unlocking ****");
+ DEBUG2("**[%p:%p]** Unlocking ****",context,(void*)pthread_self());
pthread_mutex_unlock(&(context->mutex));
#endif
if(context->startup_func)
context->startup_func(context->startup_arg);
- DEBUG0("Calling the main function");
- (context->code) (context->argc,context->argv);
-
- for(i=0;i<context->argc; i++)
- if(context->argv[i]) free(context->argv[i]);
- if(context->argv) free(context->argv);
+ DEBUG0("Calling the main function");
- if(context->cleanup_func)
- context->cleanup_func(context->cleanup_arg);
-
- xbt_swag_remove(context, context_living);
- xbt_swag_insert(context, context_to_destroy);
-
- __xbt_context_yield(context);
- xbt_assert0(0,"You're cannot be here!");
+ __context_exit(context, (context->code) (context->argc,context->argv));
return NULL;
}
}
/* callback: termination */
-static void __context_ex_terminate(xbt_ex_t *e)
-{
- exit(e->value);
+static void __context_ex_terminate(xbt_ex_t *e) {
+ xbt_ex_display(e);
+
+ abort();
+ /* FIXME: there should be a configuration variable to choose this
+ if(current_context!=init_context)
+ __context_exit(current_context, e->value);
+ else
+ abort();
+ */
}
/** \name Functions
{
#ifdef USE_PTHREADS
/* Launch the thread */
- DEBUG0("**** Locking ****");
+ DEBUG1("**[%p]** Locking ****",context);
pthread_mutex_lock(&(context->mutex));
- DEBUG0("**** Pthread create ****");
+ DEBUG1("**[%p]** Pthread create ****",context);
xbt_assert0(!pthread_create(context->thread, NULL, __context_wrapper, context),
"Unable to create a thread.");
- DEBUG0("**** Going to jail ****");
+ DEBUG2("**[%p]** Pthread created : %p ****",context,(void*)(*(context->thread)));
+ DEBUG1("**[%p]** Going to jail ****",context);
pthread_cond_wait(&(context->cond), &(context->mutex));
- DEBUG0("**** Unlocking ****");
+ DEBUG1("**[%p]** Unlocking ****",context);
pthread_mutex_unlock(&(context->mutex));
#else
makecontext (&(context->uc), (void (*) (void)) __context_wrapper,
*/
void xbt_context_schedule(xbt_context_t context)
{
+ DEBUG1("Scheduling %p",context);
xbt_assert0((current_context==init_context),
"You are not supposed to run this function here!");
__xbt_context_yield(context);