system_error, /**< a syscall did fail */
network_error, /**< error while sending/receiving data */
timeout_error, /**< not quick enough, dude */
+ cancel_error, /**< an action was canceled */
thread_error, /**< error while [un]locking */
host_error, /**< host failed */
tracing_error /**< error during the simulation tracing */
void *bt[XBT_BACKTRACE_SIZE];
} xbt_ex_t;
-/* declare the context type (private) */
+/* declare the running context type
+ * (that's where we get the process name for the logs and the exception storage)
+ * -- do not mess with it --
+ */
typedef struct {
__ex_mctx_t *ctx_mctx; /* permanent machine context of enclosing try/catch */
volatile int ctx_caught; /* temporary flag whether exception was caught */
- volatile xbt_ex_t ctx_ex; /* temporary exception storage */
-} ex_ctx_t;
+ volatile xbt_ex_t exception; /* temporary exception storage */
+} xbt_running_ctx_t;
/* the static and dynamic initializers for a context structure */
-#define XBT_CTX_INITIALIZER \
+#define XBT_RUNNING_CTX_INITIALIZER \
{ NULL, 0, { /* content */ NULL, unknown_error, 0, \
/* throw point*/ 0,NULL, NULL,0, NULL, 0, NULL,\
/* backtrace */ 0,NULL,{NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL} } }
-#define XBT_CTX_INITIALIZE(ctx) \
+#define XBT_RUNNING_CTX_INITIALIZE(ctx) \
do { \
(ctx)->ctx_mctx = NULL; \
(ctx)->ctx_caught = 0; \
- (ctx)->ctx_ex.msg = NULL; \
- (ctx)->ctx_ex.category = 0; \
- (ctx)->ctx_ex.value = 0; \
- (ctx)->ctx_ex.remote = 0; \
- (ctx)->ctx_ex.host = NULL; \
- (ctx)->ctx_ex.procname = NULL; \
- (ctx)->ctx_ex.pid = 0; \
- (ctx)->ctx_ex.file = NULL; \
- (ctx)->ctx_ex.line = 0; \
- (ctx)->ctx_ex.func = NULL; \
- (ctx)->ctx_ex.bt[0] = NULL; \
- (ctx)->ctx_ex.bt[1] = NULL; \
- (ctx)->ctx_ex.bt[2] = NULL; \
- (ctx)->ctx_ex.bt[3] = NULL; \
- (ctx)->ctx_ex.bt[4] = NULL; \
- (ctx)->ctx_ex.bt[5] = NULL; \
- (ctx)->ctx_ex.bt[6] = NULL; \
- (ctx)->ctx_ex.bt[7] = NULL; \
- (ctx)->ctx_ex.bt[8] = NULL; \
- (ctx)->ctx_ex.bt[9] = NULL; \
- (ctx)->ctx_ex.used = 0; \
- (ctx)->ctx_ex.bt_strings = NULL; \
+ (ctx)->exception.msg = NULL; \
+ (ctx)->exception.category = 0; \
+ (ctx)->exception.value = 0; \
+ (ctx)->exception.remote = 0; \
+ (ctx)->exception.host = NULL; \
+ (ctx)->exception.procname = NULL; \
+ (ctx)->exception.pid = 0; \
+ (ctx)->exception.file = NULL; \
+ (ctx)->exception.line = 0; \
+ (ctx)->exception.func = NULL; \
+ (ctx)->exception.bt[0] = NULL; \
+ (ctx)->exception.bt[1] = NULL; \
+ (ctx)->exception.bt[2] = NULL; \
+ (ctx)->exception.bt[3] = NULL; \
+ (ctx)->exception.bt[4] = NULL; \
+ (ctx)->exception.bt[5] = NULL; \
+ (ctx)->exception.bt[6] = NULL; \
+ (ctx)->exception.bt[7] = NULL; \
+ (ctx)->exception.bt[8] = NULL; \
+ (ctx)->exception.bt[9] = NULL; \
+ (ctx)->exception.used = 0; \
+ (ctx)->exception.bt_strings = NULL; \
} while (0)
/* the exception context */
-typedef ex_ctx_t *(*ex_ctx_cb_t) (void);
-XBT_PUBLIC_DATA(ex_ctx_cb_t) __xbt_ex_ctx;
-extern ex_ctx_t *__xbt_ex_ctx_default(void);
+typedef xbt_running_ctx_t *(*xbt_running_ctx_fetcher_t) (void);
+XBT_PUBLIC_DATA(xbt_running_ctx_fetcher_t) __xbt_running_ctx_fetch;
+extern xbt_running_ctx_t *__xbt_ex_ctx_default(void);
/* the termination handler */
typedef void (*ex_term_cb_t) (xbt_ex_t *);
*/
#define TRY \
{ \
- ex_ctx_t *__xbt_ex_ctx_ptr = __xbt_ex_ctx(); \
+ 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; \
} \
__xbt_ex_ctx_ptr->ctx_mctx = __ex_mctx_en; \
} \
- if ( !(__xbt_ex_ctx()->ctx_caught) \
- || ((e) = XBT_EX_T_CPLUSPLUSCAST __xbt_ex_ctx()->ctx_ex, MAYDAY_CATCH(e) 0)) { \
+ if ( !(__xbt_running_ctx_fetch()->ctx_caught) \
+ || ((e) = XBT_EX_T_CPLUSPLUSCAST __xbt_running_ctx_fetch()->exception, MAYDAY_CATCH(e) 0)) { \
} \
else
-#define DO_THROW(e) \
- /* deal with the exception */ \
- if (__xbt_ex_ctx()->ctx_mctx == NULL) \
- __xbt_ex_terminate((xbt_ex_t *)&(e)); /* not catched */\
- else \
- __ex_mctx_restore(__xbt_ex_ctx()->ctx_mctx); /* catched somewhere */ \
- abort() /* nope, stupid GCC, we won't survive a THROW (this won't be reached) */
+#define DO_THROW(running_ctx) \
+ /* deal with the exception */ \
+ if (running_ctx->ctx_mctx == NULL) \
+ __xbt_ex_terminate((xbt_ex_t*)&(running_ctx->exception)); /* not catched */ \
+ else \
+ __ex_mctx_restore(running_ctx->ctx_mctx); /* catched somewhere */ \
+ abort() /* nope, stupid GCC, we won't survive a THROW (this won't be reached) */
/** @brief Helper macro for THROWS0-6
* @hideinitializer
* is copied into the CATCH relevant variable program control flow
* is derouted to the CATCH (after the optional sg_cleanup).
*
- * If no TRY/CATCH construct embeeds this call, the program calls
+ * If no TRY/CATCH construct embeds this call, the program calls
* abort(3).
*
* The THROW can be performed everywhere, including inside TRY,
*/
#define _THROW(c,v,m) \
- do { /* change this sequence into one block */ \
- ex_ctx_t *_throw_ctx = __xbt_ex_ctx(); \
- /* build the exception */ \
- _throw_ctx->ctx_ex.msg = (m); \
- _throw_ctx->ctx_ex.category = (xbt_errcat_t)(c); \
- _throw_ctx->ctx_ex.value = (v); \
- _throw_ctx->ctx_ex.remote = 0; \
- _throw_ctx->ctx_ex.host = (char*)NULL; \
- _throw_ctx->ctx_ex.procname = (char*)xbt_procname(); \
- _throw_ctx->ctx_ex.pid = (*xbt_getpid)(); \
- _throw_ctx->ctx_ex.file = (char*)__FILE__; \
- _throw_ctx->ctx_ex.line = __LINE__; \
- _throw_ctx->ctx_ex.func = (char*)_XBT_FUNCTION; \
- _throw_ctx->ctx_ex.bt_strings = NULL; \
- xbt_backtrace_current( (xbt_ex_t *) &(_throw_ctx->ctx_ex) ); \
- DO_THROW(_throw_ctx->ctx_ex); \
+ do { /* change this sequence into one block */ \
+ xbt_running_ctx_t *_throw_ctx = __xbt_running_ctx_fetch(); \
+ /* build the exception */ \
+ _throw_ctx->exception.msg = (m); \
+ _throw_ctx->exception.category = (xbt_errcat_t)(c); \
+ _throw_ctx->exception.value = (v); \
+ _throw_ctx->exception.remote = 0; \
+ _throw_ctx->exception.host = (char*)NULL; \
+ _throw_ctx->exception.procname = (char*)xbt_procname(); \
+ _throw_ctx->exception.pid = (*xbt_getpid)(); \
+ _throw_ctx->exception.file = (char*)__FILE__; \
+ _throw_ctx->exception.line = __LINE__; \
+ _throw_ctx->exception.func = (char*)_XBT_FUNCTION; \
+ _throw_ctx->exception.bt_strings = NULL; \
+ xbt_backtrace_current( (xbt_ex_t *) &(_throw_ctx->exception) ); \
+ DO_THROW(_throw_ctx); \
} while (0)
-/* __xbt_ex_ctx()->ctx_ex.used = backtrace((void**)__xbt_ex_ctx()->ctx_ex.bt,XBT_BACKTRACE_SIZE); */
/** @brief Builds and throws an exception with a string taking no arguments
@hideinitializer */
*/
#define RETHROW \
do { \
- if (__xbt_ex_ctx()->ctx_mctx == NULL) \
- __xbt_ex_terminate((xbt_ex_t *)&(__xbt_ex_ctx()->ctx_ex)); \
+ xbt_running_ctx_t *ctx = __xbt_running_ctx_fetch(); \
+ if (ctx->ctx_mctx == NULL) \
+ __xbt_ex_terminate((xbt_ex_t*)&(ctx->exception)); \
else \
- __ex_mctx_restore(__xbt_ex_ctx()->ctx_mctx); \
+ __ex_mctx_restore(ctx->ctx_mctx); \
abort();\
} while(0)
#ifndef DOXYGEN_SKIP
#define _XBT_PRE_RETHROW \
do { \
- char *_xbt_ex_internal_msg = __xbt_ex_ctx()->ctx_ex.msg; \
- __xbt_ex_ctx()->ctx_ex.msg = bprintf(
+ char *_xbt_ex_internal_msg = __xbt_running_ctx_fetch()->exception.msg; \
+ __xbt_running_ctx_fetch()->exception.msg = bprintf(
#define _XBT_POST_RETHROW \
_xbt_ex_internal_msg); \
free(_xbt_ex_internal_msg); \
