Fixup the context build

[simgrid.git] / src / xbt / context.c

diff --git a/src/xbt/context.c b/src/xbt/context.c
index 5ab348d..a88d8ef 100644 (file)
--- a/src/xbt/context.c
+++ b/src/xbt/context.c
@@ -11,7 +11,7 @@
 
 #include "portable.h"
 #include "context_private.h"
-#include "xbt/error.h"
+#include "xbt/log.h"
 #include "xbt/dynar.h"
 #include "gras_config.h"
 
@@ -29,13 +29,12 @@ static xbt_swag_t context_living = NULL;
 /* don't want to play with conditional compilation in automake tonight, sorry.
    include directly the c file from here when needed. */
 #  include "context_win32.c" 
+#  define USE_WIN_CONTEXT
 # endif
 #endif
 
 static void __xbt_context_yield(xbt_context_t context)
 {
-  int return_value = 0;
-
   xbt_assert0(current_context,"You have to call context_init() first.");
   
   DEBUG2("--------- current_context (%p) is yielding to context(%p) ---------",
@@ -64,6 +63,9 @@ static void __xbt_context_yield(xbt_context_t context)
   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);
@@ -98,6 +100,7 @@ static void xbt_context_destroy(xbt_context_t context)
   pthread_mutex_destroy(&(context->mutex));
   pthread_cond_destroy(&(context->cond));
 #endif
+  if(context->exception) free(context->exception);
   free(context);
   return;
 }
@@ -139,6 +142,18 @@ static void *__context_wrapper(void *c)
   return NULL;
 }
 
+/* callback: context fetching */
+static ex_ctx_t *__context_ex_ctx(void)
+{
+  return current_context->exception;
+}
+
+/* callback: termination */
+static void __context_ex_terminate(xbt_ex_t *e)
+{
+  exit(e->value);
+}
+
 /** \name Functions 
  *  \ingroup XBT_context
  */
@@ -151,6 +166,10 @@ void xbt_context_init(void)
 {
   if(!current_context) {
     current_context = init_context = xbt_new0(s_xbt_context_t,1);
+    init_context->exception = xbt_new(ex_ctx_t,1);
+    XBT_CTX_INITIALIZE(init_context->exception);
+    __xbt_ex_ctx       = __context_ex_ctx;
+    __xbt_ex_terminate = __context_ex_terminate;
     context_to_destroy = xbt_swag_new(xbt_swag_offset(*current_context,hookup));
     context_living = xbt_swag_new(xbt_swag_offset(*current_context,hookup));
     xbt_swag_insert(init_context, context_living);
@@ -221,7 +240,7 @@ xbt_context_t xbt_context_new(xbt_context_function_t code,
   res->thread = xbt_new0(pthread_t,1);
   xbt_assert0(!pthread_mutex_init(&(res->mutex), NULL), "Mutex initialization error");
   xbt_assert0(!pthread_cond_init(&(res->cond), NULL), "Condition initialization error");
-#else
+#else 
   /* FIXME: strerror is not thread safe */
   xbt_assert2(getcontext(&(res->uc))==0,"Error in context saving: %d (%s)", errno, strerror(errno));
   res->uc.uc_link = NULL;
@@ -229,15 +248,19 @@ xbt_context_t xbt_context_new(xbt_context_function_t code,
   /* WARNING : when this context is over, the current_context (i.e. the 
      father), is awaken... Theorically, the wrapper should prevent using 
      this feature. */
-  res->uc.uc_stack.ss_sp = res->stack;
-  res->uc.uc_stack.ss_size = STACK_SIZE;
-#endif
+# ifndef USE_WIN_CONTEXT    
+  res->uc.uc_stack.ss_sp = pth_skaddr_makecontext(res->stack,STACK_SIZE);
+  res->uc.uc_stack.ss_size = pth_sksize_makecontext(res->stack,STACK_SIZE);
+# endif /* USE_WIN_CONTEXT */
+#endif /* USE_PTHREADS or not */
   res->argc = argc;
   res->argv = argv;
   res->startup_func = startup_func;
   res->startup_arg = startup_arg;
   res->cleanup_func = cleanup_func;
   res->cleanup_arg = cleanup_arg;
+  res->exception = xbt_new(ex_ctx_t,1);
+  XBT_CTX_INITIALIZE(res->exception);
 
   xbt_swag_insert(res, context_living);