void xbt_backtrace_display(xbt_ex_t * e)
{
xbt_ex_setup_backtrace(e);
#ifdef HAVE_BACKTRACE
if (e->used == 0) {
fprintf(stderr, "(backtrace not set)\n");
} else {
int i;
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;
xbt_ex_free(*e);
#else
XBT_ERROR("No backtrace on this arch");
#endif
}
static int xbt_log_layout_format_doit(xbt_log_layout_t l, xbt_log_event_t ev, const char *msg_fmt)
{
char *p = ev->buffer;
int rem_size = ev->buffer_size;
int precision = -1;
int length = -1;
char *q;
for (q = l->data ; *q != '\0' ; q++) {
if (*q == '%') {
q++;
handle_modifier:
switch (*q) {
case '\0':
fprintf(stderr, "Layout format (%s) ending with %%\n", (char *)l->data);
xbt_abort();
case '%':
*p = '%';
check_overflow(1);
break;
case 'n': /* platform-dependant line separator; LOG4J compliant */
*p = '\n';
check_overflow(1);
break;
case 'e': /* plain space; SimGrid extension */
*p = ' ';
check_overflow(1);
break;
case '.': /* precision specifier */
precision = strtol(q + 1, &q, 10);
goto handle_modifier;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': /* length modifier */
length = strtol(q, &q, 10);
goto handle_modifier;
case 'c': /* category name; LOG4J compliant
should accept a precision postfix to show the hierarchy */
show_string(ev->cat->name);
break;
case 'p': /* priority name; LOG4J compliant */
show_string(xbt_log_priority_names[ev->priority]);
break;
case 'h': /* host name; SimGrid extension */
show_string(SIMIX_host_self_get_name());
break;
case 't': /* thread name; LOG4J compliant */
show_string(SIMIX_process_self_get_name());
break;
case 'P': /* process name; SimGrid extension */
show_string(xbt_procname());
break;
case 'i': /* process PID name; SimGrid extension */
show_int(xbt_getpid());
break;
case 'F': /* file name; LOG4J compliant */
show_string(ev->fileName);
break;
case 'l': { /* location; LOG4J compliant */
int len, sz;
set_sz_from_precision();
len = snprintf(p, sz, "%s:%d", ev->fileName, ev->lineNum);
check_overflow(MIN(sz, len));
break;
}
case 'L': /* line number; LOG4J compliant */
show_int(ev->lineNum);
break;
case 'M': /* method (ie, function) name; LOG4J compliant */
show_string(ev->functionName);
break;
case 'b': /* backtrace; called %throwable in LOG4J */
case 'B': /* short backtrace; called %throwable{short} in LOG4J */
// TODO, backtrace
#if 0 && HAVE_BACKTRACE && HAVE_EXECINFO_H && HAVE_POPEN && defined(ADDR2LINE)
{
xbt_ex_t e("");
e.used = backtrace((void **) e.bt, XBT_BACKTRACE_SIZE);
e.bt_strings = NULL;
xbt_ex_setup_backtrace(&e);
if (*q == 'B') {
show_string(e.bt_strings[1] + 8);
} else {
xbt_strbuff_t buff = xbt_strbuff_new();
int i;
xbt_strbuff_append(buff, e.bt_strings[1] + 8);
for (i = 2; i < e.used; i++) {
xbt_strbuff_append(buff, "\n");
xbt_strbuff_append(buff, e.bt_strings[i] + 8);
}
show_string(buff->data);
xbt_strbuff_free(buff);
}
}
#else
show_string("(no backtrace on this arch)");
#endif
break;
case 'd': /* date; LOG4J compliant */
show_double(surf_get_clock());
break;
case 'r': /* application age; LOG4J compliant */
show_double(surf_get_clock() - format_begin_of_time);
break;
case 'm': { /* user-provided message; LOG4J compliant */
int len, sz;
set_sz_from_precision();
len = vsnprintf(p, sz, msg_fmt, ev->ap);
check_overflow(MIN(sz, len));
break;
}
default:
fprintf(stderr, ERRMSG, *q, (char *)l->data);
xbt_abort();
}
} else {
*p = *q;
check_overflow(1);
}
}
*p = '\0';
return 1;
}
const char *xbt_procname(void)
{
return SIMIX_process_self_get_name();
}
