void
vfail(const char *format, va_list alist)
{
extern const char *volatile _mdb_abort_str;
static char buf[256];
static int nfail;
if (_mdb_abort_str == NULL) {
_mdb_abort_str = buf; /* Do this first so we don't recurse */
(void) mdb_iob_vsnprintf(buf, sizeof (buf), format, alist);
nfail = 1;
}
/*
* We'll try to print failure messages twice. Any more than that,
* and we're probably hitting an assertion or some other problem in
* the printing routines, and will recurse until we run out of stack.
*/
if (nfail++ < 3) {
mdb_iob_printf(mdb.m_err, "%s ABORT: ", mdb.m_pname);
mdb_iob_vprintf(mdb.m_err, format, alist);
mdb_iob_flush(mdb.m_err);
(void) mdb_signal_blockall();
(void) mdb_signal_raise(SIGABRT);
(void) mdb_signal_unblock(SIGABRT);
}
exit(1);
}
static void
terminate(int status)
{
(void) mdb_signal_blockall();
mdb_destroy();
exit(status);
}