#include <stdio.h>
#include <stdlib.h>
+#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/backtrace.hpp"
#include "xbt/str.h"
#include "xbt/synchro_core.h"
#include "src/xbt_modinter.h" /* backtrace initialization headers */
#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_ex_setup_backtrace(xbt_ex_t * e);
+void xbt_setup_backtrace(xbt_backtrace_location_t** loc, std::size_t count,
+ char** res);
-void xbt_backtrace_display(xbt_ex_t * e)
+void xbt_backtrace_display(xbt_backtrace_location_t* loc, std::size_t count)
{
- // TODO, backtrace
-#if 0
- xbt_ex_setup_backtrace(e);
-
#ifdef HAVE_BACKTRACE
- if (e->bt_strings.empty()) {
+ std::vector<std::string> backtrace =
+ simgrid::xbt::resolveBacktrace(loc, count);
+ if (backtrace.empty()) {
fprintf(stderr, "(backtrace not set)\n");
- } else {
- fprintf(stderr, "Backtrace (displayed in process %s):\n", SIMIX_process_self_get_name());
- for (std::string const& s : e->bt_strings) /* no need to display "xbt_backtrace_display" */
- fprintf(stderr, "---> %s\n", s.c_str() + 4);
+ return;
}
- xbt_ex_free(*e);
+ 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
- #endif
-}
-
-/** \brief show the backtrace of the current point (lovely while debuging) */
-void xbt_backtrace_display_current(void)
-{
- xbt_ex_t e;
- xbt_backtrace_current(&e);
- xbt_backtrace_display(&e);
}
-#if HAVE_BACKTRACE && HAVE_EXECINFO_H && HAVE_POPEN && defined(ADDR2LINE)
-# include "src/xbt/backtrace_linux.c"
-#else
-# include "src/xbt/backtrace_dummy.c"
-#endif
-
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);
-
- 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 */
- }
-
- if (e->bt_strings.empty())
- xbt_ex_setup_backtrace(e);
-
-#ifdef HAVE_BACKTRACE
- if (!e->bt.empty() && !e->bt_strings.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
- }
-
- fprintf(stderr, "\n");
- for (std::string const& s : e->bt_strings) {
-
- if (cutpath) {
- // TODO, backtrace
- /*
- 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", s.c_str());
- }
- }
- } else
-#endif
- 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 */
#ifdef SIMGRID_TEST
#include <stdio.h>
#include "xbt/ex.h"
+#include <xbt/ex.hpp>
XBT_TEST_SUITE("xbt_ex", "Exception Handling");
