1 files changed, 16 insertions, 0 deletions
diff --git a/vendor/symfony/process/Tests/SignalListener.php b/vendor/symfony/process/Tests/SignalListener.php
new file mode 100644
index 00000000..bd4d138b
--- /dev/null
+++ b/vendor/symfony/process/Tests/SignalListener.php
@@ -0,0 +1,16 @@
+<?php
+
+// required for signal handling
+declare (ticks = 1);
+
+pcntl_signal(SIGUSR1, function () {echo 'Caught SIGUSR1'; exit;});
+
+$n = 0;
+
+// ticks require activity to work - sleep(4); does not work
+while ($n < 400) {
+    usleep(10000);
+    ++$n;
+}
+
+return;