/* ex - Exception Handling */
-/* Copyright (c) 2005-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2005-2017. 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/> */
/* The extensions made for the SimGrid project can either be distributed */
/* under the same license, or under the LGPL v2.1 */
-#include <stdio.h>
-#include <stdlib.h>
+#include <cstdio>
+#include <cstdlib>
+#include <xbt/backtrace.hpp>
#include "src/internal_config.h" /* execinfo when available */
#include "xbt/ex.h"
+#include <xbt/ex.hpp>
+#include "xbt/log.h"
+#include "xbt/log.hpp"
#include "xbt/backtrace.h"
-#include "xbt/str.h"
-#include "xbt/synchro_core.h"
+#include "xbt/backtrace.hpp"
#include "src/xbt_modinter.h" /* backtrace initialization headers */
-#include "src/xbt/ex_interface.h"
#include "simgrid/sg_config.h" /* Configuration mechanism of SimGrid */
-#include "simgrid/simix.h" /* SIMIX_process_self_get_name() */
-
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_ex, xbt, "Exception mechanism");
-xbt_ex::~xbt_ex() {}
-
-/* Change raw libc symbols to file names and line numbers */
-void xbt_setup_backtrace(xbt_backtrace_location_t** loc, std::size_t count,
- char** res);
-
-void xbt_backtrace_display(xbt_backtrace_location_t* loc, std::size_t count)
-{
-#ifdef HAVE_BACKTRACE
- std::vector<std::string> backtrace =
- simgrid::xbt::resolveBacktrace(loc, count);
- if (backtrace.empty()) {
- fprintf(stderr, "(backtrace not set)\n");
- return;
- }
- fprintf(stderr, "Backtrace (displayed in process %s):\n", SIMIX_process_self_get_name());
- for (std::string const& s : backtrace)
- fprintf(stderr, "---> %s\n", s.c_str());
-#else
- XBT_ERROR("No backtrace on this arch");
-#endif
-}
+// Don't define ~xbt_ex() in ex.hpp. It is defined here to ensure that there is an unique definition of xt_ex in
+// libsimgrid, but not in libsimgrid-java. Otherwise, sone tests are broken (seen with clang/libc++ on freebsd).
+xbt_ex::~xbt_ex() = default;
-void xbt_throw(
- char* message, xbt_errcat_t errcat, int value,
- const char* file, int line, const char* func)
+void _xbt_throw(char* message, xbt_errcat_t errcat, int value, const char* file, int line, const char* func)
{
- xbt_ex e(message);
+ xbt_ex e(simgrid::xbt::ThrowPoint(file, line, func), message);
free(message);
e.category = errcat;
e.value = value;
- e.file = file;
- e.line = line;
- e.func = func;
- e.procname = xbt_procname();
- e.pid = xbt_getpid();
throw e;
}
/** @brief shows an exception content and the associated stack if available */
void xbt_ex_display(xbt_ex_t * e)
{
- char *thrower = NULL;
- if (e->pid != xbt_getpid())
- thrower = bprintf(" on process %d",e->pid);
-
- std::fprintf(stderr, "** SimGrid: UNCAUGHT EXCEPTION received on %s(%d): category: %s; value: %d\n"
- "** %s\n"
- "** Thrown by %s()%s\n",
- xbt_binary_name, xbt_getpid(), xbt_ex_catname(e->category), e->value, e->what(),
- e->procname.c_str(), thrower ? thrower : " in this process");
- XBT_CRITICAL("%s", e->what());
- xbt_free(thrower);
-
- 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 */
- }
-
- std::vector<std::string> backtrace = simgrid::xbt::resolveBacktrace(
- e->bt.data(), e->bt.size());
-
-#ifdef HAVE_BACKTRACE
- if (!backtrace.empty()) {
- /* We have everything to build neat backtraces */
- 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 = xbt_cfg_get_boolean("exception/cutpath");
- }
- catch(xbt_ex& e) {
- // Nothing to do
- }
-
- std::fprintf(stderr, "\n");
- for (std::string const& s : backtrace) {
-
- // TODO, move this logic into solveBacktrace
- if (cutpath) {
- // TODO, simplify this
- char* p = xbt_strdup(s.c_str());
- 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 = (char*) std::malloc(length);
- std::memcpy(dest, &p[0], length);
- dest[length] = 0;
- std::fprintf(stderr, "%s %s\n", dest, filename);
- std::free(dest);
- std::free(p);
- }
- else {
- std::fprintf(stderr, "%s\n", s.c_str());
- }
- }
- } else
-#endif
- std::fprintf(stderr, "\n"
- "** In %s() at %s:%d\n"
- "** (no backtrace available)\n", e->func, e->file, e->line);
+ simgrid::xbt::logException(xbt_log_priority_critical, "UNCAUGHT EXCEPTION", *e);
}
/** \brief returns a short name for the given exception category */
return "io error";
case vm_error:
return "vm error";
+ default:
+ return "INVALID ERROR";
}
return "INVALID ERROR";
}
#ifdef SIMGRID_TEST
-#include <stdio.h>
#include "xbt/ex.h"
+#include <cstdio>
+#include <xbt/ex.hpp>
XBT_TEST_SUITE("xbt_ex", "Exception Handling");
c = 1;
if (v1 != 5678)
xbt_test_fail("v1 = %d (!= 5678)", v1);
- if (!(ex.category == 1 && ex.value == 2 && !strcmp(ex.what(), "blah")))
+ if (not(ex.category == 1 && ex.value == 2 && not strcmp(ex.what(), "blah")))
xbt_test_fail("unexpected exception contents");
}
- if (!c)
+ if (not c)
xbt_test_fail("xbt_ex_free not executed");
}
#endif /* SIMGRID_TEST */
