#include <config.h>
#include "timeval.h"
-#include <assert.h>
#include <errno.h>
#if HAVE_EXECINFO_H
#include <execinfo.h>
}
inited = true;
+ /* The implementation of backtrace() in glibc does some one time
+ * initialization which is not signal safe. This can cause deadlocks if
+ * run from the signal handler. As a workaround, force the initialization
+ * to happen here. */
+ if (HAVE_EXECINFO_H) {
+ void *bt[1];
+
+ backtrace(bt, ARRAY_SIZE(bt));
+ }
+
memset(traces, 0, sizeof traces);
if (HAVE_EXECINFO_H && CACHE_TIME) {
{
struct ds ds = DS_EMPTY_INITIALIZER;
- assert(HAVE_EXECINFO_H && CACHE_TIME);
+ ovs_assert(HAVE_EXECINFO_H && CACHE_TIME);
format_backtraces(&ds, 0);
unixctl_command_reply(conn, ds_cstr(&ds));
ds_destroy(&ds);