diff --git a/misc/cgo/testcshared/main2.c b/misc/cgo/testcshared/main2.c
index 6e8bf141ca..ec5ec8f0d0 100644
--- a/misc/cgo/testcshared/main2.c
+++ b/misc/cgo/testcshared/main2.c
@@ -21,7 +21,7 @@ int main(void) {
 
   // The descriptor will be initialized in a thread, so we have to
   // give a chance to get opened.
-  for (i = 0; i < 1000; i++) {
+  for (i = 0; i < 200; i++) {
     n = read(fd, buf, sizeof buf);
     if (n >= 0)
       break;
@@ -33,7 +33,7 @@ int main(void) {
     // An EBADF error means that the shared library has not opened the
     // descriptor yet.
     ts.tv_sec = 0;
-    ts.tv_nsec = 1000000;
+    ts.tv_nsec = 10000000;
     nanosleep(&ts, NULL);
   }