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-rw-r--r--posix/sys/wait.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/posix/sys/wait.h b/posix/sys/wait.h
index 5a3404d..4af77b0 100644
--- a/posix/sys/wait.h
+++ b/posix/sys/wait.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,94,96,97,98,99, 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
@@ -66,8 +66,8 @@ typedef union
union wait *__uptr;
int *__iptr;
} __WAIT_STATUS __attribute__ ((__transparent_union__));
-# define __WAIT_STATUS_DEFN int *
-#endif
+# define __WAIT_STATUS_DEFN int *
+# endif
#else /* Don't use BSD. */
@@ -80,12 +80,14 @@ typedef union
/* This will define all the `__W*' macros. */
#include <bits/waitstatus.h>
-#define WEXITSTATUS(status) __WEXITSTATUS(__WAIT_INT(status))
-#define WTERMSIG(status) __WTERMSIG(__WAIT_INT(status))
-#define WSTOPSIG(status) __WSTOPSIG(__WAIT_INT(status))
-#define WIFEXITED(status) __WIFEXITED(__WAIT_INT(status))
-#define WIFSIGNALED(status) __WIFSIGNALED(__WAIT_INT(status))
-#define WIFSTOPPED(status) __WIFSTOPPED(__WAIT_INT(status))
+/* These macros could also be defined int <stdlib.h>. */
+#ifndef WEXITSTATUS
+# define WEXITSTATUS(status) __WEXITSTATUS(__WAIT_INT(status))
+# define WTERMSIG(status) __WTERMSIG(__WAIT_INT(status))
+# define WSTOPSIG(status) __WSTOPSIG(__WAIT_INT(status))
+# define WIFEXITED(status) __WIFEXITED(__WAIT_INT(status))
+# define WIFSIGNALED(status) __WIFSIGNALED(__WAIT_INT(status))
+# define WIFSTOPPED(status) __WIFSTOPPED(__WAIT_INT(status))
#ifdef __USE_BSD
# define WCOREFLAG __WCOREFLAG