1 files changed, 15 insertions, 1 deletions
diff --git a/test/core/util/test_config.c b/test/core/util/test_config.c
index fc5de9bbef..ab2c0d80a9 100644
--- a/test/core/util/test_config.c
+++ b/test/core/util/test_config.c
@@ -33,11 +33,25 @@
 
 #include "test/core/util/test_config.h"
 
+#include <grpc/support/port_platform.h>
 #include <stdlib.h>
+
+#if GPR_GETPID_IN_UNISTD_H
 #include <unistd.h>
+static int seed() {
+  return getpid();
+}
+#endif
+
+#if GPR_GETPID_IN_PROCESS_H
+#include <process.h>
+static int seed(void) {
+  return _getpid();
+}
+#endif
 
 void grpc_test_init(int argc, char **argv) {
   /* seed rng with pid, so we don't end up with the same random numbers as a
      concurrently running test binary */
-  srand(getpid());
+  srand(seed());
 }