1 files changed, 39 insertions, 0 deletions
diff --git a/pith/osdep/forkwait.h b/pith/osdep/forkwait.h
new file mode 100644
index 00000000..e1aafa84
--- /dev/null
+++ b/pith/osdep/forkwait.h
@@ -0,0 +1,39 @@
+/*
+ * $Id: forkwait.h 761 2007-10-23 22:35:18Z hubert@u.washington.edu $
+ *
+ * ========================================================================
+ * Copyright 2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * ========================================================================
+ */
+
+#ifndef PITH_OSDEP_FORKWAIT_INCLUDED
+#define PITH_OSDEP_FORKWAIT_INCLUDED
+
+
+#if	HAVE_UNION_WAIT
+#define WAITSTATUS_T	union wait
+#else
+#define WAITSTATUS_T	int
+#endif
+
+#ifndef	WEXITSTATUS
+#define	WEXITSTATUS(X)	(((X) >> 8) & 0xff)	/* high bits tell exit value */
+#endif
+#ifndef	WIFEXITED
+#define	WIFEXITED(X)	(!((X) & 0xff))		/* low bits tell how it died */
+#endif
+
+#if	!HAVE_WORKING_VFORK
+#define	vfork fork
+#endif
+
+
+#endif /* PITH_OSDEP_FORKWAIT_INCLUDED */
+