New upstream version 1.0upstream/1.0

1 files changed, 30 insertions, 12 deletions

diff --git a/tests/usleep.c b/tests/usleep.c
index a057f5f8..e4289c4a 100644
--- a/tests/usleep.c
+++ b/tests/usleep.c
@@ -1,18 +1,18 @@
 /* Pausing execution of the current thread.
-   Copyright (C) 2009-2018 Free Software Foundation, Inc.
+   Copyright (C) 2009-2022 Free Software Foundation, Inc.
    Written by Eric Blake <ebb9@byu.net>, 2009.
 
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
 
-   This program is distributed in the hope that it will be useful,
+   This file is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* This file is _intentionally_ light-weight.  Rather than using
@@ -28,6 +28,11 @@
 
 #include <errno.h>
 
+#if defined _WIN32 && ! defined __CYGWIN__
+# define WIN32_LEAN_AND_MEAN  /* avoid including junk */
+# include <windows.h>
+#endif
+
 #ifndef HAVE_USLEEP
 # define HAVE_USLEEP 0
 #endif
@@ -39,7 +44,20 @@
 
 int
 usleep (useconds_t micro)
+#undef usleep
 {
+#if defined _WIN32 && ! defined __CYGWIN__
+  unsigned int milliseconds = micro / 1000;
+  if (sizeof milliseconds < sizeof micro && micro / 1000 != milliseconds)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+  if (micro % 1000)
+    milliseconds++;
+  Sleep (milliseconds);
+  return 0;
+#else
   unsigned int seconds = micro / 1000000;
   if (sizeof seconds < sizeof micro && micro / 1000000 != seconds)
     {
@@ -50,9 +68,9 @@ usleep (useconds_t micro)
     seconds++;
   while ((seconds = sleep (seconds)) != 0);
 
-#undef usleep
-#if !HAVE_USLEEP
-# define usleep(x) 0
-#endif
+# if !HAVE_USLEEP
+#  define usleep(x) 0
+# endif
   return usleep (micro % 1000000);
+#endif
 }