return &ctx;
}
-/* default __ex_terminate callback function */
-void __xbt_ex_terminate_default(xbt_ex_t *e) {
+/** @brief shows an exception content and the associated stack if available */
+void xbt_ex_display(xbt_ex_t *e) {
fprintf(stderr,
"** SimGrid: UNCAUGHT EXCEPTION: category: %s; value: %d\n"
#ifdef HAVE_EXECINFO_H
{
char **strings;
- size_t i;
+ int i;
fprintf(stderr,"** Backtrace:\n");
strings = backtrace_symbols (e->bt, e->used);
free (strings);
}
#endif
+}
+
+
+/* default __ex_terminate callback function */
+void __xbt_ex_terminate_default(xbt_ex_t *e) {
+ xbt_ex_display(e);
abort();
}
}
#endif
+
+#ifdef SIMGRID_TEST
+#include "xbt/ex.h"
+
+XBT_TEST_SUITE("xbt_ex","Exception Handling");
+
+XBT_TEST_UNIT("controlflow",test_controlflow, "basic nested control flow") {
+ xbt_ex_t ex;
+ volatile int n=1;
+
+ xbt_test_add0("basic nested control flow");
+
+ TRY {
+ if (n != 1)
+ xbt_test_fail1("M1: n=%d (!= 1)", n);
+ n++;
+ TRY {
+ if (n != 2)
+ xbt_test_fail1("M2: n=%d (!= 2)", n);
+ n++;
+ THROW0(unknown_error,0,"something");
+ } CATCH (ex) {
+ if (n != 3)
+ xbt_test_fail1("M3: n=%d (!= 1)", n);
+ n++;
+ RETHROW;
+ }
+ xbt_test_fail1("MX: n=%d (shouldn't reach this point)", n);
+ }
+ CATCH(ex) {
+ if (n != 4)
+ xbt_test_fail1("M4: n=%d (!= 4)", n);
+ n++;
+ xbt_ex_free(ex);
+ }
+ if (n != 5)
+ xbt_test_fail1("M5: n=%d (!= 5)", n);
+}
+
+XBT_TEST_UNIT("value",test_value,"exception value passing") {
+ xbt_ex_t ex;
+
+ TRY {
+ THROW0(unknown_error, 2, "toto");
+ } CATCH(ex) {
+ xbt_test_add0("exception value passing");
+ if (ex.category != unknown_error)
+ xbt_test_fail1("category=%d (!= 1)", ex.category);
+ if (ex.value != 2)
+ xbt_test_fail1("value=%d (!= 2)", ex.value);
+ if (strcmp(ex.msg,"toto"))
+ xbt_test_fail1("message=%s (!= toto)", ex.msg);
+ xbt_ex_free(ex);
+ }
+}
+
+XBT_TEST_UNIT("variables",test_variables,"variable value preservation") {
+ xbt_ex_t ex;
+ int r1, r2;
+ volatile int v1, v2;
+
+ r1 = r2 = v1 = v2 = 1234;
+ TRY {
+ r2 = 5678;
+ v2 = 5678;
+ THROW0(unknown_error, 0, "toto");
+ } CATCH(ex) {
+ xbt_test_add0("variable preservation");
+ if (r1 != 1234)
+ xbt_test_fail1("r1=%d (!= 1234)", r1);
+ if (v1 != 1234)
+ xbt_test_fail1("v1=%d (!= 1234)", v1);
+ /* r2 is allowed to be destroyed because not volatile */
+ if (v2 != 5678)
+ xbt_test_fail1("v2=%d (!= 5678)", v2);
+ xbt_ex_free(ex);
+ }
+}
+
+XBT_TEST_UNIT("cleanup",test_cleanup,"cleanup handling") {
+ xbt_ex_t ex;
+ volatile int v1;
+ int c;
+
+ xbt_test_add0("cleanup handling");
+
+ v1 = 1234;
+ c = 0;
+ TRY {
+ v1 = 5678;
+ THROW0(1, 2, "blah");
+ } CLEANUP {
+ if (v1 != 5678)
+ xbt_test_fail1("v1 = %d (!= 5678)", v1);
+ c = 1;
+ } CATCH(ex) {
+ if (v1 != 5678)
+ xbt_test_fail1("v1 = %d (!= 5678)", v1);
+ if (!(ex.category == 1 && ex.value == 2 && !strcmp(ex.msg,"blah")))
+ xbt_test_fail0("unexpected exception contents");
+ xbt_ex_free(ex);
+ }
+ if (!c)
+ xbt_test_fail0("xbt_ex_free not executed");
+}
+#endif /* SIMGRID_TEST */