win32: better error message in kill(2)

When the process architecture of busybox-w32 didn't match that of
the target process the error reported was 'Function not implemented'.
Change this to 'Permission denied'.

1 files changed, 2 insertions, 0 deletions

diff --git a/win32/process.c b/win32/process.c
index 9acc66f81..74f949d07 100644
--- a/win32/process.c
+++ b/win32/process.c
@@ -627,6 +627,7 @@ static int kill_pids(pid_t pid, int exit_code, kill_callback killer)
         }
 
         for (i = len - 1; i >= 0; i--) {
+                SetLastError(0);
                 if (killer(pids[i], exit_code)) {
                         errno = err_win_to_posix(GetLastError());
                         ret = -1;
@@ -693,6 +694,7 @@ int kill_SIGTERM_by_handle(HANDLE process, int exit_code)
                 }
                 if (!exit_process_address ||
                     !process_architecture_matches_current(process)) {
+                        SetLastError(ERROR_ACCESS_DENIED);
                         ret = -1;
                         goto finish;
                 }