core_handler(int signo
#ifdef SA_SIGINFO
,
siginfo_t *siginfo, void *context
#endif
)
{
/* make sure we don't hang in here. default for SIGALRM is terminate.
* - if we're in backtrace for more than a second, abort. */
struct sigaction sa_default = {.sa_handler = SIG_DFL};
sigaction(SIGALRM, &sa_default, NULL);
sigset_t sigset;
sigemptyset(&sigset);
sigaddset(&sigset, SIGALRM);
sigprocmask(SIG_UNBLOCK, &sigset, NULL);
alarm(1);
zlog_signal(signo, "aborting..."
#ifdef SA_SIGINFO
,
siginfo, program_counter(context)
#endif
);
/* dump memory stats on core */
log_memstats(stderr, "core_handler");
abort();
}
zerror (const char *fname, int type, size_t size)
{
zlog_err ("%s : can't allocate memory for `%s' size %d: %s\n",
fname, lookup (mstr, type), (int) size, safe_strerror(errno));
log_memstats(LOG_WARNING);
/* N.B. It might be preferable to call zlog_backtrace_sigsafe here, since
that function should definitely be safe in an OOM condition. But
unfortunately zlog_backtrace_sigsafe does not support syslog logging at
this time... */
zlog_backtrace(LOG_WARNING);
abort();
}
