1 files changed, 3 insertions, 2 deletions

diff --git a/xdelta3/testing/file.h b/xdelta3/testing/file.h
index 67309ac..05f9dde 100644
--- a/xdelta3/testing/file.h
+++ b/xdelta3/testing/file.h
@@ -311,8 +311,9 @@ class ExtFile {
 public:
   ExtFile() {
     static int static_counter = 0;
-    char buf[32];
-    snprintf(buf, 32, "/tmp/regtest.%d", static_counter++);
+    pid_t pid = getpid();
+    char buf[64];
+    snprintf(buf, 64, "/tmp/regtest.%d.%d", pid, static_counter++);
     filename_.append(buf);
     unlink(filename_.c_str());
   }