static void sigsegv_cb (int sig_num, siginfo_t *info, void * ucontext)
{
void *array[50];
void *caller_address;
char **messages;
int size, i;
sig_ucontext_t *uc;
FILE *f;
g_fprintf (stderr, "Got segmentation fault !\n");
// haven't found the way to get caller addr on FreeBSD, and we need to link with -lexecinfo
#if !defined(__FreeBSD__)
uc = (sig_ucontext_t *)ucontext;
/* Get the address at the time the signal was raised from the EIP (x86) */
#if defined(__APPLE__)
#ifdef __i368__
caller_address = (void *) uc->uc_mcontext->__ss.__eip;
#else
caller_address = (void *) uc->uc_mcontext->__ss.__rip;
#endif
#else /* !__APPLE__ */
#ifdef __i386__
caller_address = (void *) uc->uc_mcontext.eip;
#else
caller_address = (void *) uc->uc_mcontext.rip;
#endif
#endif /* !__APPLE__ */
f = stderr;
fprintf (f, "signal %d (%s), address is %p from %p\n", sig_num, strsignal (sig_num), info->si_addr, (void *)caller_address);
size = backtrace (array, 50);
/* overwrite sigaction with caller's address */
array[1] = caller_address;
messages = backtrace_symbols (array, size);
/* skip first stack frame (points here) */
for (i = 1; i < size && messages != NULL; ++i) {
fprintf (f, "[bt]: (%d) %s\n", i, messages[i]);
}
fflush (f);
free (messages);
LOG_err (APP_LOG, "signal %d (%s), address is %p from %p\n", sig_num, strsignal (sig_num), info->si_addr, (void *)caller_address);
#endif // __FreeBSD__
// try to unmount FUSE mountpoint
if (_app && _app->rfuse)
rfuse_destroy (_app->rfuse);
}
/*{{{ application_destroy */
static void application_destroy (Application *app)
{
LOG_debug (APP_LOG, "Destroying application !");
g_free (app->conf_path);
if (app->read_client_pool)
client_pool_destroy (app->read_client_pool);
if (app->write_client_pool)
client_pool_destroy (app->write_client_pool);
if (app->ops_client_pool)
client_pool_destroy (app->ops_client_pool);
if (app->dir_tree)
dir_tree_destroy (app->dir_tree);
if (app->cmng)
cache_mng_destroy (app->cmng);
if (app->sigint_ev)
event_free (app->sigint_ev);
if (app->sigterm_ev)
event_free (app->sigterm_ev);
if (app->sigpipe_ev)
event_free (app->sigpipe_ev);
if (app->sigusr1_ev)
event_free (app->sigusr1_ev);
if (app->sigusr2_ev)
event_free (app->sigusr2_ev);
if (app->service_con)
http_connection_destroy (app->service_con);
if (app->stat_srv)
stat_srv_destroy (app->stat_srv);
// destroy Fuse
if (app->rfuse)
rfuse_destroy (app->rfuse);
if (app->dns_base)
evdns_base_free (app->dns_base, 0);
if (app->evbase)
event_base_free (app->evbase);
if (app->uri)
evhttp_uri_free (app->uri);
if (app->conf)
conf_destroy (app->conf);
if (app->fuse_opts)
g_free (app->fuse_opts);
#ifdef SSL_ENABLED
SSL_CTX_free (app->ssl_ctx);
#endif
#ifdef MAGIC_ENABLED
magic_close(app->magic_ctx);
#endif
logger_destroy ();
if (app->f_log)
fclose (app->f_log);
if (app->log_file_name)
g_free (app->log_file_name);
g_free (app);
ENGINE_cleanup ();
CRYPTO_cleanup_all_ex_data ();
ERR_free_strings ();
ERR_remove_thread_state (NULL);
EVP_cleanup ();
}
