make g++ happy. Hope it still has the same meaning though...

[simgrid.git] / include / xbt / ex.h

diff --git a/include/xbt/ex.h b/include/xbt/ex.h
index 6ccf495..cd66c73 100644 (file)
--- a/include/xbt/ex.h
+++ b/include/xbt/ex.h
@@ -35,12 +35,14 @@
 #include <xbt/misc.h>
 #include <xbt/sysdep.h>
 
+/* do not include execinfo.h directly since it's not always available. 
+   Instead, copy the parts we need (and fake when it's not there) */
+extern int backtrace (void **__array, int __size);
+
 /* required ISO-C standard facilities */
 #include <errno.h>
 #include <stdio.h>
 
-//#define __EX_MCTX_MCSC__ 1
-#define __EX_MCTX_SSJLJ__ 1
 /* the machine context */
 #if defined(__EX_MCTX_MCSC__)
 #include <ucontext.h>            /* POSIX.1 ucontext(3) */
@@ -202,6 +204,7 @@ typedef enum {
   unknown_error=0,  /**< unknown error */
   arg_error,        /**< Invalid argument */
   mismatch_error,   /**< The provided ID does not match */
+  not_found_error,  /**< The searched element was not found */
   
   system_error,   /**< a syscall did fail */
   network_error,  /**< error while sending/receiving data */
@@ -209,7 +212,7 @@ typedef enum {
   thread_error    /**< error while [un]locking */
 } xbt_errcat_t;
 
-const char *xbt_errcat_name(xbt_error_t errcode);
+const char *xbt_errcat_name(xbt_errcat_t errcode);
 
 /** @brief Structure describing an exception */
 typedef struct {
@@ -236,7 +239,7 @@ typedef struct {
 
 /* the static and dynamic initializers for a context structure */
 #define XBT_CTX_INITIALIZER \
-    { NULL, 0, { /* content */ NULL, 0, 0, \
+    { NULL, 0, { /* content */ NULL, unknown_error, 0, \
                  /* throw point*/ NULL, NULL, NULL, 0, NULL,\
                  /* backtrace */ {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL},0 } }
 #define XBT_CTX_INITIALIZE(ctx) \
@@ -272,15 +275,11 @@ extern ex_ctx_t *__xbt_ex_ctx_default(void);
 /* the termination handler */
 typedef void (*ex_term_cb_t)(xbt_ex_t *);
 extern ex_term_cb_t __xbt_ex_terminate;
-extern void __xbt_ex_terminate_default(xbt_ex_t *e)  __attribute__((__noreturn__));
+extern void __xbt_ex_terminate_default(xbt_ex_t *e);
 
 /** @brief Introduce a block where exception may be dealed with 
  *  @hideinitializer
  */
-/*        xbt_assert1(1,\
-                "Severe error in exception mecanism: cannot save the catching context: %s", \
-                   strerror(errno)); \
-*/
 #define TRY \
     { \
         ex_ctx_t *__xbt_ex_ctx_ptr = __xbt_ex_ctx(); \
@@ -311,6 +310,12 @@ extern void __xbt_ex_terminate_default(xbt_ex_t *e)  __attribute__((__noreturn__
 /** @brief the block for catching (ie, deal with) an exception 
  *  @hideinitializer
  */
+#ifdef __cplusplus
+#  define XBT_EX_T_CPLUSPLUSCAST (xbt_ex_t&)
+#else
+#  define XBT_EX_T_CPLUSPLUSCAST 
+#endif
+
 #define CATCH(e) \
             else { \
             } \
@@ -325,7 +330,7 @@ extern void __xbt_ex_terminate_default(xbt_ex_t *e)  __attribute__((__noreturn__
         __xbt_ex_ctx_ptr->ctx_mctx = __ex_mctx_en; \
     } \
     if (   !(__xbt_ex_ctx()->ctx_caught) \
-        || ((e) = __xbt_ex_ctx()->ctx_ex, 0)) { \
+        || ((e) = XBT_EX_T_CPLUSPLUSCAST __xbt_ex_ctx()->ctx_ex, 0)) { \
     } \
     else
 
@@ -346,7 +351,7 @@ extern void __xbt_ex_terminate_default(xbt_ex_t *e)  __attribute__((__noreturn__
  * The THROW can be performed everywhere, including inside TRY, 
  * CLEANUP and CATCH blocks.
  */
-#include <execinfo.h>
+
 #define _THROW(c,v,m) \
   do { /* change this sequence into one block */                               \
      /* build the exception */ \
@@ -367,7 +372,7 @@ extern void __xbt_ex_terminate_default(xbt_ex_t *e)  __attribute__((__noreturn__
      abort();/* nope, stupid GCC, we won't survive a THROW (this won't be reached) */ \
   } while (0)
 
-#define THROW0(c,v,m)                   _THROW(c,v,bprintf(m))
+#define THROW0(c,v,m)                   _THROW(c,v,(m?bprintf(m):NULL))
 #define THROW1(c,v,m,a1)                _THROW(c,v,bprintf(m,a1))
 #define THROW2(c,v,m,a1,a2)             _THROW(c,v,bprintf(m,a1,a2))
 #define THROW3(c,v,m,a1,a2,a3)          _THROW(c,v,bprintf(m,a1,a2,a3))
@@ -416,6 +421,8 @@ extern void __xbt_ex_terminate_default(xbt_ex_t *e)  __attribute__((__noreturn__
 void xbt_ex_free(xbt_ex_t e);
 const char * xbt_ex_catname(xbt_errcat_t cat);
 
+void xbt_ex_display(xbt_ex_t *e);
+
 /** @} */
 #endif /* __XBT_EX_H__ */