/* ex - Exception Handling */
-/* Copyright (c) 2005-2010 The SimGrid team */
+/* Copyright (c) 2005-2015. 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 <stdio.h>
#include <stdlib.h>
-#include "portable.h" /* execinfo when available */
+#include "src/portable.h" /* execinfo when available */
#include "xbt/ex.h"
#include "xbt/str.h"
-#include "xbt/module.h" /* xbt_binary_name */
-#include "xbt_modinter.h" /* backtrace initialization headers */
-#include "xbt/synchro.h" /* xbt_thread_self */
+#include "xbt/synchro_core.h"
+#include "src/xbt_modinter.h" /* backtrace initialization headers */
+
+#include "src/xbt/ex_interface.h"
+#include "simgrid/sg_config.h" /* Configuration mechanism of SimGrid */
-#include "gras/Virtu/virtu_interface.h" /* gras_os_myname */
-#include "xbt/ex_interface.h"
+#include "simgrid/simix.h" /* SIMIX_process_self_get_name() */
#undef HAVE_BACKTRACE
#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
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 */
xbt_running_ctx_t *__xbt_ex_ctx_default(void)
{
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 xbt_running_ctx_t ctx = XBT_RUNNING_CTX_INITIALIZER;
} else {
int i;
- 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" */
+ fprintf(stderr, "Backtrace (displayed in process %s):\n",
+ SIMIX_process_self_get_name());
+ 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
}
#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
-# include "backtrace_linux.c"
+# include "src/xbt/backtrace_linux.c"
#elif (defined(_XBT_WIN32) && defined (_M_IX86)) && !defined(__GNUC__)
-# include "backtrace_windows.c"
+# include "src/xbt/backtrace_windows.c"
#else
-# include "backtrace_dummy.c"
+# include "src/xbt/backtrace_dummy.c"
#endif
/** @brief shows an exception content and the associated stack if available */
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");
XBT_CRITICAL("%s", e->msg);
+ xbt_free(thrower);
- if (!e->remote && !e->bt_strings)
+ if (xbt_initialized==0 || smx_cleaned) {
+ fprintf(stderr, "Ouch. SimGrid is not initialized yet, or already closing. No backtrace available.\n");
+ return; /* Not started yet or already closing. Trying to generate a backtrace would probably fail */
+ }
+
+ 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;
+ int cutpath = 0;
+ TRY { // We don't want to have an exception while checking how to deal with the one we already have, do we?
+ cutpath = sg_cfg_get_boolean("exception/cutpath");
+ } CATCH_ANONYMOUS { }
- if (!xbt_binary_name) {
- fprintf(stderr, "variable 'xbt_binary_name' set to NULL. Cannot compute the backtrace\n");
- return;
- }
fprintf(stderr, "\n");
- for (i = 0; i < e->used; i++)
- fprintf(stderr, "%s\n", e->bt_strings[i]);
+ for (i = 0; i < e->used; i++) {
+
+ if (cutpath) {
+ char* p = e->bt_strings[i];
+ xbt_str_rtrim(p, ":0123456789");
+ char* filename = strrchr(p, '/')+1;
+ char* end_of_message = strrchr(p, ' ');
+
+ int length = strlen(p)-strlen(end_of_message);
+ char* dest = malloc(length);
+
+ memcpy(dest, &p[0], length);
+ dest[length] = 0;
+
+ fprintf(stderr, "%s %s\n", dest, filename);
+
+ free(dest);
+ }
+ else {
+ 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(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;
+XBT_EXPORT_NO_IMPORT(ex_term_cb_t) __xbt_ex_terminate = &__xbt_ex_terminate_default;
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";
}
CATCH(ex) {
xbt_test_add("exception value passing");
if (ex.category != unknown_error)
- xbt_test_fail("category=%d (!= 1)", ex.category);
+ xbt_test_fail("category=%d (!= 1)", (int)ex.category);
if (ex.value != 2)
xbt_test_fail("value=%d (!= 2)", ex.value);
if (strcmp(ex.msg, "toto"))
XBT_TEST_UNIT("variables", test_variables, "variable value preservation")
{
xbt_ex_t ex;
- int r1, r2;
- volatile int v1, v2;
+ int r1;
+ int XBT_ATTRIB_UNUSED r2;
+ int v1;
+ volatile int v2;
r1 = r2 = v1 = v2 = 1234;
TRY {
#define SMALLAMOUNT 10
#define TOOBIG 100000000
-#if 0 /* this contains syntax errors, actually */
-static void bad_example(void)
-{
- struct {
- char *first;
- } *globalcontext;
- ex_t ex;
-
- /* BAD_EXAMPLE */
- TRY {
- char *cp1, *cp2, *cp3;
-
- cp1 = mallocex(SMALLAMOUNT);
- globalcontext->first = cp1;
- cp2 = mallocex(TOOBIG);
- cp3 = mallocex(SMALLAMOUNT);
- strcpy(cp1, "foo");
- strcpy(cp2, "bar");
- }
- TRY_CLEANUP {
- if (cp3 != NULL)
- free(cp3);
- if (cp2 != NULL)
- free(cp2);
- if (cp1 != NULL)
- free(cp1);
- }
- CATCH_ANONYMOUS {
- printf("cp3=%s", cp3);
- RETHROW;
- }
- /* end_of_bad_example */
-}
-#endif
typedef struct {
char *first;
} global_context_t;
static void good_example(void)
{
- global_context_t *global_context = malloc(sizeof(global_context_t));
+ global_context_t *global_context = xbt_malloc(sizeof(global_context_t));
/* GOOD_EXAMPLE */
{ /*01 */
}
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_ANONYMOUS {
