1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Support/Windows/Program.inc b/lib/Support/Windows/Program.inc
index b685bb8b85..e486e6ec23 100644
--- a/lib/Support/Windows/Program.inc
+++ b/lib/Support/Windows/Program.inc
@@ -332,8 +332,7 @@ Program::Execute(const Path& path,
 int
 Program::Wait(const Path &path,
               unsigned secondsToWait,
-              std::string* ErrMsg,
-              const char* /*SignalPrefix*/) {
+              std::string* ErrMsg) {
   if (Data_ == 0) {
     MakeErrMsg(ErrMsg, "Process not started!");
     return -1;
@@ -350,7 +349,8 @@ Program::Wait(const Path &path,
   if (WaitForSingleObject(hProcess, millisecondsToWait) == WAIT_TIMEOUT) {
     if (!TerminateProcess(hProcess, 1)) {
       MakeErrMsg(ErrMsg, "Failed to terminate timed-out program.");
-      return -1;
+      // -2 indicates a crash or timeout as opposed to failure to execute.
+      return -2;
     }
     WaitForSingleObject(hProcess, INFINITE);
   }
@@ -363,7 +363,8 @@ Program::Wait(const Path &path,
   if (!rc) {
     SetLastError(err);
     MakeErrMsg(ErrMsg, "Failed getting status for program.");
-    return -1;
+    // -2 indicates a crash or timeout as opposed to failure to execute.
+    return -2;
   }
 
   return status;