- Add SIMIX_context_get_thread_id to the context factory interface.

[simgrid.git] / src / simix / smx_context_raw.c

diff --git a/src/simix/smx_context_raw.c b/src/simix/smx_context_raw.c
index ea8e960..2d62d5d 100644 (file)
--- a/src/simix/smx_context_raw.c
+++ b/src/simix/smx_context_raw.c
@@ -155,6 +155,10 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context);
 
 static xbt_parmap_t parmap;
 
+#ifdef CONTEXT_THREADS
+static __thread smx_context_t current_context;
+#endif
+
 static void smx_ctx_raw_wrapper(smx_ctx_raw_t context);
 
 static int smx_ctx_raw_factory_finalize(smx_context_factory_t *factory)
@@ -196,6 +200,7 @@ smx_ctx_raw_create_context(xbt_main_func_t code, int argc, char **argv,
 
      }else{
        maestro_raw_context = context;
+       current_context = (smx_context_t) maestro_raw_context;
      }
 
      return (smx_context_t) context;
@@ -260,11 +265,11 @@ static void smx_ctx_raw_runall(xbt_dynar_t processes)
 static void smx_ctx_raw_resume_parallel(smx_process_t process)
 {
   smx_ctx_raw_t context = (smx_ctx_raw_t)process->context;
-  xbt_os_thread_set_extra_data(context);
+  current_context = (smx_context_t)context;
   raw_swapcontext(
       &context->old_stack_top,
       context->stack_top);
-  xbt_os_thread_set_extra_data(NULL);
+  current_context = (smx_context_t)maestro_raw_context;
 }
 
 static void smx_ctx_raw_runall_parallel(xbt_dynar_t processes)
@@ -275,8 +280,11 @@ static void smx_ctx_raw_runall_parallel(xbt_dynar_t processes)
 
 static smx_context_t smx_ctx_raw_self_parallel(void)
 {
-  smx_context_t self_context = (smx_context_t) xbt_os_thread_get_extra_data();
-  return self_context ? self_context : (smx_context_t) maestro_raw_context;
+  return current_context;
+}
+
+static int smx_ctx_raw_get_thread_id(){
+  return (int)(unsigned long)xbt_os_thread_get_extra_data();
 }
 
 void SIMIX_ctx_raw_factory_init(smx_context_factory_t *factory)
@@ -292,15 +300,16 @@ void SIMIX_ctx_raw_factory_init(smx_context_factory_t *factory)
   (*factory)->suspend = smx_ctx_raw_suspend;
   (*factory)->name = "smx_raw_context_factory";
 
-  if (smx_parallel_contexts) {
+  if (SIMIX_context_is_parallel()) {
 #ifdef CONTEXT_THREADS  /* To use parallel ucontexts a thread pool is needed */
     parmap = xbt_parmap_new(2);
     (*factory)->runall = smx_ctx_raw_runall_parallel;
     (*factory)->self = smx_ctx_raw_self_parallel;
+    (*factory)->get_thread_id = smx_ctx_raw_get_thread_id;
 #else
     THROW0(arg_error, 0, "No thread support for parallel context execution");
 #endif
-  }else{
+  } else {
     (*factory)->runall = smx_ctx_raw_runall;
   }
 }