X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ee28396e69a7419ce5840ee9500b958004802b90..ccf56140eb0b973a50ce9a981fa3e38667748495:/include/xbt/ex.h

diff --git a/include/xbt/ex.h b/include/xbt/ex.h
index c0e20d151b..9a0e7284e5 100644
--- a/include/xbt/ex.h
+++ b/include/xbt/ex.h
@@ -14,33 +14,32 @@
 #ifndef __XBT_EX_H__
 #define __XBT_EX_H__
 
-#include <xbt/sysdep.h>
-#include <xbt/misc.h>
+#include "xbt/sysdep.h"
+#include "xbt/misc.h"
+#include "xbt/virtu.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>
+XBT_PUBLIC(int) backtrace (void **__array, int __size);
 
 
 /*-*-* Emergency debuging: define this when the exceptions get crazy *-*-*/
 #undef __EX_MAYDAY
 
 #ifdef __EX_MAYDAY
-int gras_os_getpid(void);
+# include <stdio.h>
+#include <errno.h>
+
 #  define MAYDAY_SAVE(m)    printf("%d %s:%d save %p\n",                \
-                                   gras_os_getpid(),__FILE__,__LINE__,  \
+                                   (*xbt_getpid)(),__FILE__,__LINE__,  \
                                    (m)->jb                              \
                                   ),
 #  define MAYDAY_RESTORE(m) printf("%d %s:%d restore %p\n",             \
-                                   gras_os_getpid(),__FILE__,__LINE__,  \
+                                   (*xbt_getpid)(),__FILE__,__LINE__,  \
                                    (m)->jb                              \
                                   ),
 #  define MAYDAY_CATCH(e)   printf("%d %s:%d Catched '%s'\n",           \
-                                   gras_os_getpid(),__FILE__,__LINE__,  \
+                                   (*xbt_getpid)(),__FILE__,__LINE__,  \
                                    e.msg                                \
 				  ),
 #else
@@ -51,8 +50,6 @@ int gras_os_getpid(void);
 
 /*-*-* end of debugging stuff *-*-*/
 
-
-/* the machine context */
 #if defined(__EX_MCTX_MCSC__)
 #include <ucontext.h>            /* POSIX.1 ucontext(3) */
 #define __ex_mctx_struct         ucontext_t uc;
@@ -231,23 +228,22 @@ typedef struct { __ex_mctx_struct } __ex_mctx_t;
  * @{
  */
 
-/* we need this symbol here, even if it breaks a bit the module separation */
-long int gras_os_getpid(void);
-
 /** @brief different kind of errors */
 typedef enum {
   unknown_error=0,  /**< unknown error */
   arg_error,        /**< Invalid argument */
+  bound_error,      /**< Out of bounds 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 */
   timeout_error,  /**< not quick enough, dude */
-  thread_error    /**< error while [un]locking */
+  thread_error,    /**< error while [un]locking */
+	host_error			/**< host failed */
 } xbt_errcat_t;
 
-const char * xbt_ex_catname(xbt_errcat_t cat);
+XBT_PUBLIC(const char *) xbt_ex_catname(xbt_errcat_t cat);
 
 /** @brief Structure describing an exception */
 typedef struct {
@@ -259,7 +255,7 @@ typedef struct {
   char *host;     /**< NULL locally thrown exceptions; full hostname if remote ones */
   /* FIXME: host should be hostname:port[#thread] */
   char *procname; /**< Name of the process who thrown this */
-  long int pid;   /**< PID of the process who thrown this */
+  int pid;        /**< PID of the process who thrown this */
   char *file;     /**< Thrown point */
   int   line;     /**< Thrown point */
   char *func;     /**< Thrown point */
@@ -311,12 +307,12 @@ typedef struct {
 
 /* the exception context */
 typedef ex_ctx_t *(*ex_ctx_cb_t)(void);
-extern ex_ctx_cb_t __xbt_ex_ctx;
+XBT_PUBLIC_DATA(ex_ctx_cb_t) __xbt_ex_ctx;
 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;
+XBT_PUBLIC_DATA(ex_term_cb_t) __xbt_ex_terminate;
 extern void __xbt_ex_terminate_default(xbt_ex_t *e);
 
 /** @brief Introduce a block where exception may be dealed with 
@@ -413,7 +409,7 @@ extern void __xbt_ex_terminate_default(xbt_ex_t *e);
      __xbt_ex_ctx()->ctx_ex.remote   = 0;                                     \
      __xbt_ex_ctx()->ctx_ex.host     = (char*)NULL;                           \
      __xbt_ex_ctx()->ctx_ex.procname = (char*)xbt_procname();                 \
-     __xbt_ex_ctx()->ctx_ex.pid      = gras_os_getpid();                      \
+     __xbt_ex_ctx()->ctx_ex.pid      = (*xbt_getpid)();                       \
      __xbt_ex_ctx()->ctx_ex.file     = (char*)__FILE__;                       \
      __xbt_ex_ctx()->ctx_ex.line     = __LINE__;                              \
      __xbt_ex_ctx()->ctx_ex.func     = (char*)_XBT_FUNCTION;                  \
@@ -507,10 +503,15 @@ extern void __xbt_ex_terminate_default(xbt_ex_t *e);
 #define RETHROW5(msg,a,b,c,d,e) _XBT_PRE_RETHROW msg,a,b,c,d,e, _XBT_POST_RETHROW
 
 /** @brief Exception destructor */
-void xbt_ex_free(xbt_ex_t e);
+XBT_PUBLIC(void) xbt_ex_free(xbt_ex_t e);
+
+/** @brief Shows a backtrace of the current location */
+XBT_PUBLIC(void) xbt_backtrace_display_current(void);
 
-void xbt_ex_display(xbt_ex_t *e);
-void xbt_backtrace_display(void);
+/** @brief Captures a backtrace for further use */
+XBT_PUBLIC(void) xbt_backtrace_current(xbt_ex_t *e);
+/** @brief Display a previously captured backtrace */
+XBT_PUBLIC(void) xbt_backtrace_display(xbt_ex_t *e);
 
 /** @} */
 #endif /* __XBT_EX_H__ */