[__USE_XOPEN]: Define uid_t.

diff --git a/signal/signal.h b/signal/signal.h
index 6b8c345b877ad57978855b85288c4fdfb9154683..399349888387db355f1a7cdaa532b538c03665d0 100644 (file)
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -55,9 +55,15 @@ typedef __sigset_t sigset_t;
 #include <bits/types.h>
 #include <bits/signum.h>
 
-#if defined __USE_XOPEN && !defined pid_t
+#ifdef __USE_XOPEN
+# ifndef pid_t
 typedef __pid_t pid_t;
-# define pid_t pid_t
+#  define pid_t pid_t
+# endif
+# ifndef uid_t
+typedef __uid_t uid_t;
+#  define uid_t uid_t
+# endif
 #endif /* Unix98 */
 
 
@@ -307,12 +313,14 @@ extern int sigreturn __P ((struct sigcontext *__scp));
 extern int siginterrupt __P ((int __sig, int __interrupt));
 
 # include <bits/sigstack.h>
+# ifdef __USE_GNU
+#  include <ucontext.h>
+# endif
 
 /* Run signals handlers on the stack specified by SS (if not NULL).
    If OSS is not NULL, it is filled in with the old signal stack status.
    This interface is obsolete and on many platform not implemented.  */
-extern int sigstack __P ((__const struct sigstack *__ss,
-                         struct sigstack *__oss));
+extern int sigstack __P ((struct sigstack *__ss, struct sigstack *__oss));
 
 /* Alternate signal handler stack interface.
    This interface should always be preferred over `sigstack'.  */