X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8be7ea3f9e71cd563e91b6aba63f5c70f043fbd5..ea55b530facfb04b499b016152f739e024445aa4:/include/xbt/ex.h

diff --git a/include/xbt/ex.h b/include/xbt/ex.h
index f80fe2d8d3..59e442ba0e 100644
--- a/include/xbt/ex.h
+++ b/include/xbt/ex.h
@@ -1,6 +1,8 @@
 /* ex - Exception Handling                                                  */
 
-/*  Copyright (c) 2005-2013. The SimGrid Team.                              */
+/* Copyright (c) 2005-2015. The SimGrid Team.
+ * All rights reserved.                                                     */
+
 /*  Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com>       */
 /*  Copyright (c) 2002-2004 The OSSP Project <http://www.ossp.org/>         */
 /*  Copyright (c) 2002-2004 Cable & Wireless <http://www.cw.com/>           */
@@ -262,7 +264,8 @@ typedef enum {
   thread_error,                 /**< error while [un]locking */
   host_error,                   /**< host failed */
   tracing_error,                /**< error during the simulation tracing */
-  io_error                      /**< disk or file error */
+  io_error,                     /**< disk or file error */
+  vm_error                      /**< vm  error */
 } xbt_errcat_t;
 
 XBT_PUBLIC(const char *) xbt_ex_catname(xbt_errcat_t cat);
@@ -288,7 +291,7 @@ typedef struct {
  * (that's where we get the process name for the logs and the exception storage)
  *  -- do not mess with it --
  */
-typedef struct {
+typedef struct xbt_running_ctx_t {
   __ex_mctx_t *ctx_mctx;        /* permanent machine context of enclosing try/catch */
   int ctx_caught;               /* temporary flag whether exception was caught */
   volatile xbt_ex_t exception;  /* temporary exception storage */
@@ -301,7 +304,21 @@ typedef struct {
                  /* backtrace */ 0, NULL, /* bt[] */ } }
 
 XBT_PUBLIC_DATA(const xbt_running_ctx_t) __xbt_ex_ctx_initializer;
-#define XBT_RUNNING_CTX_INITIALIZE(ctx) (*(ctx) = __xbt_ex_ctx_initializer)
+
+// #define XBT_RUNNING_CTX_INITIALIZE(ctx) (*(ctx) = __xbt_ex_ctx_initializer)
+
+#define XBT_RUNNING_CTX_INITIALIZE(ctx) \
+  (ctx)->ctx_mctx = NULL; \
+  (ctx)->ctx_caught = 0; \
+  (ctx)->exception.msg = NULL; \
+  (ctx)->exception.category = unknown_error; \
+  (ctx)->exception.value = 0; \
+  (ctx)->exception.procname = NULL; \
+  (ctx)->exception.pid = 0; \
+  (ctx)->exception.file = NULL; \
+  (ctx)->exception.line = 0; \
+  (ctx)->exception.used = 0; \
+  (ctx)->exception.bt_strings = NULL;
 
 /* the exception context */
 typedef xbt_running_ctx_t *(*xbt_running_ctx_fetcher_t) (void);
@@ -320,9 +337,8 @@ XBT_PUBLIC( void )__xbt_ex_terminate_default(xbt_ex_t * e);
     { \
         xbt_running_ctx_t *__xbt_ex_ctx_ptr = __xbt_running_ctx_fetch(); \
         int __ex_cleanup = 0; \
-        __ex_mctx_t *__ex_mctx_en; \
         __ex_mctx_t __ex_mctx_me; \
-        __ex_mctx_en = __xbt_ex_ctx_ptr->ctx_mctx; \
+        __ex_mctx_t * __ex_mctx_en = __xbt_ex_ctx_ptr->ctx_mctx; \
         __xbt_ex_ctx_ptr->ctx_mctx = &__ex_mctx_me; \
         if (__ex_mctx_save(&__ex_mctx_me)) { \
             if (1)
@@ -427,7 +443,7 @@ XBT_PUBLIC( void )__xbt_ex_terminate_default(xbt_ex_t * e);
   _throw_ctx->exception.bt_strings = NULL;                              \
   xbt_backtrace_current((xbt_ex_t *)&(_throw_ctx->exception));
 
-#define _THROW(c, v, m)                                        \
+#define _XBT_THROW(c, v, m)                                        \
   do { /* change this sequence into one block */               \
     xbt_running_ctx_t *_throw_ctx = __xbt_running_ctx_fetch(); \
     THROW_PREPARE(_throw_ctx, c, v, m);                        \
@@ -436,22 +452,18 @@ XBT_PUBLIC( void )__xbt_ex_terminate_default(xbt_ex_t * e);
 
 /** @brief Builds and throws an exception
     @hideinitializer */
-#define THROW(c, v)             _THROW(c, v, NULL)
+#define THROW(c, v)             _XBT_THROW(c, v, NULL)
 
 /** @brief Builds and throws an exception with a printf-like formatted message
     @hideinitializer */
-#define THROWF(c, v, ...)       _THROW(c, v, bprintf(__VA_ARGS__))
+#define THROWF(c, v, ...)       _XBT_THROW(c, v, bprintf(__VA_ARGS__))
 
 #define THROW_IMPOSSIBLE \
   THROWF(unknown_error, 0, "The Impossible Did Happen (yet again)")
 #define THROW_UNIMPLEMENTED \
   THROWF(unknown_error, 0, "Function %s unimplemented",_XBT_FUNCTION)
 
-#ifndef NDEBUG
-#  define DIE_IMPOSSIBLE       xbt_assert(0,"The Impossible Did Happen (yet again)")
-#else
-#  define DIE_IMPOSSIBLE       exit(1);
-#endif
+#define DIE_IMPOSSIBLE xbt_die("The Impossible Did Happen (yet again)")
 
 /** @brief re-throwing of an already caught exception (ie, pass it to the upper catch block) 
  *  @hideinitializer
@@ -472,6 +484,8 @@ XBT_PUBLIC( void )__xbt_ex_terminate_default(xbt_ex_t * e);
 
 /** @brief Exception destructor */
 XBT_PUBLIC(void) xbt_ex_free(xbt_ex_t e);
+/** @brief The display made by an exception that is not catched */
+XBT_PUBLIC(void) xbt_ex_display(xbt_ex_t * e);
 
 /** @brief Shows a backtrace of the current location */
 XBT_PUBLIC(void) xbt_backtrace_display_current(void);