fix td-1242

src/dnode/src/dnodeSystem.c

@@ -120,8 +120,8 @@ int32_t main(int32_t argc, char *argv[]) {
   syslog(LOG_INFO, "Started TDengine service successfully.");
 
   for (int res = tsem_wait(&exitSem); res != 0; res = tsem_wait(&exitSem)) {
-    if (res != EINTR) {
-      syslog(LOG_ERR, "failed to wait exit semphore: %d", res);
+    if (errno != EINTR) {
+      syslog(LOG_ERR, "failed to wait exit semphore: %s", strerror(errno));
       break;
     }
   }

src/sync/src/tarbitrator.c

@@ -104,7 +104,7 @@ int main(int argc, char *argv[]) {
   sInfo("TAOS arbitrator: %s:%d is running", tsNodeFqdn, tsArbitratorPort);
 
   for (int res = tsem_wait(&tsArbSem); res != 0; res = tsem_wait(&tsArbSem)) {
-    if (res != EINTR) break;
+    if (errno != EINTR) break;
   }
 
   taosCloseTcpThreadPool(tsArbTcpPool);