worker: fix timeval initialization

See automata-library@172f6acd

worker/src/worker/runner.cpp

@@ -13,17 +13,21 @@
 #define FD_STDOUT 1
 #define FD_STDERR 2
+using namespace std::chrono_literals;
+
 /* Communication between signal handler and the rest of the program */
 int g_Wakeup[2]; // pipe for wakeup
 int g_RecvSignal; // signalled flag
-static int waitSignalTimeout(int timeout)
+static int waitSignalTimeout(const std::chrono::microseconds& duration)
 {
     struct timeval tv;
     fd_set rd;
-    tv.tv_sec = 0;
-    tv.tv_usec = timeout;
+    auto duration_secs = std::chrono::duration_cast<std::chrono::seconds>(duration);
+    auto duration_usecs = std::chrono::duration_cast<std::chrono::microseconds>(duration - duration_secs);
+    tv.tv_sec = duration_secs.count();
+    tv.tv_usec = duration_usecs.count();
     FD_ZERO(&rd);
     FD_SET(g_Wakeup[PIPE_RD], &rd);
@@ -114,9 +118,9 @@ std::tuple<ResultType, std::string> _evaluate(const std::chrono::microseconds& t
     /* lets wait the specified time of microseconds, maybe the child will terminate on its own */
     spdlog::debug("Waiting for child. Timeout: {} us", timeout.count());
-    if (!waitSignalTimeout(timeout.count())) {
+    if (!waitSignalTimeout(timeout)) {
         kill(pid, SIGTERM);
-        while (!waitSignalTimeout(250000)) /* ... and in case it did not ..., SIGKILL it every 1/4 second */
+        while (!waitSignalTimeout(250ms)) /* ... and in case it did not ..., SIGKILL it every 1/4 second */
             kill(pid, SIGKILL);
     }