- int return_value = 0;
-
- xbt_assert0(current_context,"You have to call context_init() first.");
-
- DEBUG2("--------- current_context (%p) is yielding to context(%p) ---------",
- current_context,context);
-
-#ifdef USE_PTHREADS
- if (context) {
- xbt_context_t self = current_context;
- DEBUG0("**** Locking ****");
- pthread_mutex_lock(&(context->mutex));
- DEBUG0("**** Updating current_context ****");
- current_context = context;
- DEBUG0("**** Releasing the prisonner ****");
- pthread_cond_signal(&(context->cond));
- DEBUG0("**** Going to jail ****");
- pthread_cond_wait(&(context->cond), &(context->mutex));
- DEBUG0("**** Unlocking ****");
- pthread_mutex_unlock(&(context->mutex));
- DEBUG0("**** Updating current_context ****");
- current_context = self;
- }
-#else
- if(current_context)
- VOIRP(current_context->save);
-
- VOIRP(context);
- if(context) VOIRP(context->save);
- if (context) {
- 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 ;
- DEBUG1("current_context becomes context(%p) ",context);
- current_context = context ;
- DEBUG1("Current position memorized (context->save). Jumping to context (%p)",context);
- return_value = swapcontext (&(context->save->uc), &(context->uc));
- xbt_assert0((return_value==0),"Context swapping failure");
- DEBUG1("I am (%p). Coming back\n",context);
- } else {
- xbt_context_t old_context = context->save ;
- DEBUG0("**** Back ! ****");
- DEBUG2("Setting current_context (%p) to context(%p)->save",current_context,context);
- current_context = context->save ;
- DEBUG1("Setting context(%p)->save to NULL",context);
- context->save = NULL ;
- DEBUG2("Current position memorized (%p). Jumping to context (%p)",context,old_context);
- return_value = swapcontext (&(context->uc), &(old_context->uc));
- xbt_assert0((return_value==0),"Context swapping failure");
- DEBUG1("I am (%p). Coming back\n",context);
- }
- }
-#endif
- return;
+ xbt_assert0(current_context,"You have to call context_init() first.");
+
+ DEBUG2("--------- current_context (%p) is yielding to context(%p) ---------",current_context,context);
+
+ #ifdef CONTEXT_THREADS
+ if (context){
+ xbt_context_t self = current_context;
+ DEBUG0("**** Locking ****");
+ xbt_mutex_lock(context->mutex);
+ DEBUG0("**** Updating current_context ****");
+ current_context = context;
+ DEBUG0("**** Releasing the prisonner ****");
+ xbt_thcond_signal(context->cond);
+ DEBUG0("**** Going to jail ****");
+ xbt_thcond_wait(context->cond, context->mutex);
+ DEBUG0("**** Unlocking ****");
+ xbt_mutex_unlock(context->mutex);
+ DEBUG0("**** Updating current_context ****");
+ current_context = self;
+ }
+ #else /* use SUSv2 contexts */
+ if(current_context)
+ VOIRP(current_context->save);
+
+ VOIRP(context);
+
+ if(context)
+ VOIRP(context->save);
+
+ if (context){
+
+ 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 ;
+ DEBUG1("current_context becomes context(%p) ",context);
+ current_context = context ;
+ DEBUG1("Current position memorized (context->save). Jumping to context (%p)",context);
+ return_value = swapcontext (&(context->save->uc), &(context->uc));
+ xbt_assert0((return_value==0),"Context swapping failure");
+ DEBUG1("I am (%p). Coming back\n",context);
+ } else {
+ xbt_context_t old_context = context->save ;
+ DEBUG0("**** Back ! ****");
+ DEBUG2("Setting current_context (%p) to context(%p)->save",current_context,context);
+ current_context = context->save ;
+ DEBUG1("Setting context(%p)->save to NULL",context);
+ context->save = NULL ;
+ DEBUG2("Current position memorized (%p). Jumping to context (%p)",context,old_context);
+ return_value = swapcontext (&(context->uc), &(old_context->uc));
+ xbt_assert0((return_value==0),"Context swapping failure");
+ DEBUG1("I am (%p). Coming back\n",context);
+
+ }
+ }
+ #endif
+ return;