/* ex - Exception Handling */
-/* Copyright (c) 2005-2010 The SimGrid team */
+/* Copyright (c) 2005-2014. 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/> */
#include "portable.h" /* execinfo when available */
#include "xbt/ex.h"
#include "xbt/str.h"
-#include "xbt/module.h" /* xbt_binary_name */
+#include "xbt/synchro_core.h"
#include "xbt_modinter.h" /* backtrace initialization headers */
-#include "xbt/synchro.h" /* xbt_thread_self */
-#include "gras/Virtu/virtu_interface.h" /* gras_os_myname */
#include "xbt/ex_interface.h"
#undef HAVE_BACKTRACE
# define HAVE_BACKTRACE 1 /* Hello linux box */
#endif
-#if defined(WIN32) && defined(_M_IX86) && !defined(__GNUC__)
+#if defined(_XBT_WIN32) && defined(_M_IX86) && !defined(__GNUC__)
# define HAVE_BACKTRACE 1 /* Hello x86 windows box */
#endif
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_ex, xbt, "Exception mecanism");
+XBT_EXPORT_NO_IMPORT(const xbt_running_ctx_t) __xbt_ex_ctx_initializer = XBT_RUNNING_CTX_INITIALIZER;
+
/* default __ex_ctx callback function */
-ex_ctx_t *__xbt_ex_ctx_default(void)
+xbt_running_ctx_t *__xbt_ex_ctx_default(void)
{
/* Don't scream: this is a default which is never used (so, yes,
there is one setjump container by running entity).
real life and in simulation when using threads to implement the simulation
processes (ie, with pthreads and on windows).
- It also gets overriden in xbt/context.c when using ucontextes (as well as
+ It also gets overriden in xbt/context.c when using ucontexts (as well as
in Java for now, but after the java overhaul, it will get cleaned out)
*/
- static ex_ctx_t ctx = XBT_CTX_INITIALIZER;
+ static xbt_running_ctx_t ctx = XBT_RUNNING_CTX_INITIALIZER;
return &ctx;
}
fprintf(stderr, "Backtrace (displayed in thread %p):\n",
(void *) xbt_thread_self());
- for (i = 1; i < e->used; i++) /* no need to display "xbt_display_backtrace" */
+ for (i = 1; i < e->used; i++) /* no need to display "xbt_backtrace_display" */
fprintf(stderr, "---> %s\n", e->bt_strings[i] + 4);
}
/* don't fool xbt_ex_free with uninitialized msg field */
e->msg = NULL;
- e->remote = 0;
xbt_ex_free(*e);
#else
- ERROR0("No backtrace on this arch");
+ XBT_ERROR("No backtrace on this arch");
#endif
}
#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
# include "backtrace_linux.c"
-#elif (defined(WIN32) && defined (_M_IX86)) && !defined(__GNUC__)
+#elif (defined(_XBT_WIN32) && defined (_M_IX86)) && !defined(__GNUC__)
# include "backtrace_windows.c"
#else
# include "backtrace_dummy.c"
void xbt_ex_display(xbt_ex_t * e)
{
char *thrower = NULL;
-
- if (e->remote)
- thrower = bprintf(" on host %s(%d)", e->host, e->pid);
+ if (e->pid != xbt_getpid())
+ thrower = bprintf(" on process %d",e->pid);
fprintf(stderr,
"** SimGrid: UNCAUGHT EXCEPTION received on %s(%d): category: %s; value: %d\n"
"** %s\n"
"** Thrown by %s()%s\n",
- gras_os_myname(), (*xbt_getpid) (),
+ xbt_binary_name, xbt_getpid(),
xbt_ex_catname(e->category), e->value, e->msg,
e->procname, thrower ? thrower : " in this process");
- CRITICAL1("%s", e->msg);
+ XBT_CRITICAL("%s", e->msg);
+ xbt_free(thrower);
- if (!e->remote && !e->bt_strings)
+ if (!e->bt_strings)
xbt_ex_setup_backtrace(e);
#ifdef HAVE_BACKTRACE
- /* We have everything to build neat backtraces */
- {
+ if (e->used && e->bt_strings) {
+ /* We have everything to build neat backtraces */
int i;
fprintf(stderr, "\n");
for (i = 0; i < e->used; i++)
fprintf(stderr, "%s\n", e->bt_strings[i]);
- }
-#else
- fprintf(stderr, " at %s:%d:%s (no backtrace available on that arch)\n",
- e->file, e->line, e->func);
+ } else
#endif
+ {
+ fprintf(stderr,
+ "\n"
+ "** In %s() at %s:%d\n"
+ "** (no backtrace available)\n",
+ e->func, e->file, e->line);
+ }
}
void __xbt_ex_terminate_default(xbt_ex_t * e)
{
xbt_ex_display(e);
-
- abort();
+ xbt_abort();
}
/* the externally visible API */
-XBT_EXPORT_NO_IMPORT(ex_ctx_cb_t) __xbt_ex_ctx = &__xbt_ex_ctx_default;
-XBT_EXPORT_NO_IMPORT(ex_term_cb_t) __xbt_ex_terminate =
- &__xbt_ex_terminate_default;
+XBT_EXPORT_NO_IMPORT(xbt_running_ctx_fetcher_t) __xbt_running_ctx_fetch = &__xbt_ex_ctx_default;
+XBT_EXPORT_NO_IMPORT(ex_term_cb_t) __xbt_ex_terminate = &__xbt_ex_terminate_default;
- void xbt_ex_free(xbt_ex_t e)
+void xbt_ex_free(xbt_ex_t e)
{
int i;
- if (e.msg)
- free(e.msg);
- if (e.remote) {
- free(e.procname);
- free(e.file);
- free(e.func);
- free(e.host);
- }
+ free(e.msg);
if (e.bt_strings) {
for (i = 0; i < e.used; i++)
- free((char *) e.bt_strings[i]);
- free((char **) e.bt_strings);
+ free(e.bt_strings[i]);
+ free(e.bt_strings);
}
/* memset(e,0,sizeof(xbt_ex_t)); */
}
{
switch (cat) {
case unknown_error:
- return "unknown_err";
+ return "unknown error";
case arg_error:
- return "invalid_arg";
+ return "invalid argument";
+ case bound_error:
+ return "out of bounds";
case mismatch_error:
return "mismatch";
case not_found_error:
return "not found";
case system_error:
- return "system_err";
+ return "system error";
case network_error:
- return "network_err";
+ return "network error";
case timeout_error:
return "timeout";
+ case cancel_error:
+ return "action canceled";
case thread_error:
- return "thread_err";
- default:
- return "INVALID_ERR";
+ return "thread error";
+ case host_error:
+ return "host failed";
+ case tracing_error:
+ return "tracing error";
+ case io_error:
+ return "io error";
+ case vm_error:
+ return "vm error";
+
}
+ return "INVALID ERROR";
}
xbt_ex_t ex;
volatile int n = 1;
- xbt_test_add0("basic nested control flow");
+ xbt_test_add("basic nested control flow");
TRY {
if (n != 1)
- xbt_test_fail1("M1: n=%d (!= 1)", n);
+ xbt_test_fail("M1: n=%d (!= 1)", n);
n++;
TRY {
if (n != 2)
- xbt_test_fail1("M2: n=%d (!= 2)", n);
+ xbt_test_fail("M2: n=%d (!= 2)", n);
n++;
- THROW0(unknown_error, 0, "something");
+ THROWF(unknown_error, 0, "something");
}
CATCH(ex) {
if (n != 3)
- xbt_test_fail1("M3: n=%d (!= 3)", n);
+ xbt_test_fail("M3: n=%d (!= 3)", n);
n++;
xbt_ex_free(ex);
}
n++;
TRY {
if (n != 5)
- xbt_test_fail1("M2: n=%d (!= 5)", n);
+ xbt_test_fail("M2: n=%d (!= 5)", n);
n++;
- THROW0(unknown_error, 0, "something");
+ THROWF(unknown_error, 0, "something");
}
- CATCH(ex) {
+ CATCH_ANONYMOUS {
if (n != 6)
- xbt_test_fail1("M3: n=%d (!= 6)", n);
+ xbt_test_fail("M3: n=%d (!= 6)", n);
n++;
RETHROW;
n++;
}
- xbt_test_fail1("MX: n=%d (shouldn't reach this point)", n);
+ xbt_test_fail("MX: n=%d (shouldn't reach this point)", n);
}
CATCH(ex) {
if (n != 7)
- xbt_test_fail1("M4: n=%d (!= 7)", n);
+ xbt_test_fail("M4: n=%d (!= 7)", n);
n++;
xbt_ex_free(ex);
}
if (n != 8)
- xbt_test_fail1("M5: n=%d (!= 8)", n);
+ xbt_test_fail("M5: n=%d (!= 8)", n);
}
XBT_TEST_UNIT("value", test_value, "exception value passing")
xbt_ex_t ex;
TRY {
- THROW0(unknown_error, 2, "toto");
+ THROWF(unknown_error, 2, "toto");
}
CATCH(ex) {
- xbt_test_add0("exception value passing");
+ xbt_test_add("exception value passing");
if (ex.category != unknown_error)
- xbt_test_fail1("category=%d (!= 1)", ex.category);
+ xbt_test_fail("category=%d (!= 1)", (int)ex.category);
if (ex.value != 2)
- xbt_test_fail1("value=%d (!= 2)", ex.value);
+ xbt_test_fail("value=%d (!= 2)", ex.value);
if (strcmp(ex.msg, "toto"))
- xbt_test_fail1("message=%s (!= toto)", ex.msg);
+ xbt_test_fail("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;
+ int r1;
+ int _XBT_GNUC_UNUSED r2;
+ int v1;
+ volatile int v2;
r1 = r2 = v1 = v2 = 1234;
TRY {
r2 = 5678;
v2 = 5678;
- THROW0(unknown_error, 0, "toto");
- } CATCH(ex) {
- xbt_test_add0("variable preservation");
+ THROWF(unknown_error, 0, "toto");
+ }
+ CATCH(ex) {
+ xbt_test_add("variable preservation");
if (r1 != 1234)
- xbt_test_fail1("r1=%d (!= 1234)", r1);
+ xbt_test_fail("r1=%d (!= 1234)", r1);
if (v1 != 1234)
- xbt_test_fail1("v1=%d (!= 1234)", v1);
+ xbt_test_fail("v1=%d (!= 1234)", v1);
/* r2 is allowed to be destroyed because not volatile */
if (v2 != 5678)
- xbt_test_fail1("v2=%d (!= 5678)", v2);
+ xbt_test_fail("v2=%d (!= 5678)", v2);
xbt_ex_free(ex);
}
}
volatile int v1;
int c;
- xbt_test_add0("cleanup handling");
+ xbt_test_add("cleanup handling");
v1 = 1234;
c = 0;
TRY {
v1 = 5678;
- THROW0(1, 2, "blah");
- } CLEANUP {
+ THROWF(1, 2, "blah");
+ }
+ TRY_CLEANUP {
if (v1 != 5678)
- xbt_test_fail1("v1 = %d (!= 5678)", v1);
+ xbt_test_fail("v1 = %d (!= 5678)", v1);
c = 1;
}
CATCH(ex) {
if (v1 != 5678)
- xbt_test_fail1("v1 = %d (!= 5678)", v1);
+ xbt_test_fail("v1 = %d (!= 5678)", v1);
if (!(ex.category == 1 && ex.value == 2 && !strcmp(ex.msg, "blah")))
- xbt_test_fail0("unexpected exception contents");
+ xbt_test_fail("unexpected exception contents");
xbt_ex_free(ex);
}
if (!c)
- xbt_test_fail0("xbt_ex_free not executed");
+ xbt_test_fail("xbt_ex_free not executed");
}
cp3 = mallocex(SMALLAMOUNT);
strcpy(cp1, "foo");
strcpy(cp2, "bar");
- } CLEANUP {
- if (cp3 != NULL)
- free(cp3);
- if (cp2 != NULL)
- free(cp2);
- if (cp1 != NULL)
- free(cp1);
}
- CATCH(ex) {
+ TRY_CLEANUP {
+ free(cp3);
+ free(cp2);
+ free(cp1);
+ }
+ CATCH_ANONYMOUS {
printf("cp3=%s", cp3);
RETHROW;
}
static void good_example(void)
{
- global_context_t *global_context = malloc(sizeof(global_context_t));
- xbt_ex_t ex;
+ global_context_t *global_context = xbt_malloc(sizeof(global_context_t));
/* GOOD_EXAMPLE */
{ /*01 */
cp3 = mallocex(SMALLAMOUNT);
strcpy(cp1, "foo");
strcpy(cp2, "bar");
- } CLEANUP { /*04 */
+ }
+ TRY_CLEANUP { /*04 */
printf("cp3=%s", cp3 == NULL /*02 */ ? "" : cp3);
- if (cp3 != NULL)
- free(cp3);
- if (cp2 != NULL)
- free(cp2);
+ free(cp3);
+ free(cp2);
/*05 cp1 was given away */
}
- CATCH(ex) {
+ CATCH_ANONYMOUS {
/*05 global context untouched */
RETHROW;
}
}
/* end_of_good_example */
}
-#endif /* SIMGRID_TEST */
+#endif /* SIMGRID_TEST */
