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-rw-r--r--posix/sys/wait.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/posix/sys/wait.h b/posix/sys/wait.h
index d5b7e4d..909979b 100644
--- a/posix/sys/wait.h
+++ b/posix/sys/wait.h
@@ -26,7 +26,15 @@
__BEGIN_DECLS
-#include <signal.h>
+#include <bits/types.h>
+#ifndef __pid_t_defined
+typedef __pid_t pid_t;
+# define __pid_t_defined
+#endif
+
+#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
+# include <signal.h>
+#endif
/* These macros could also be defined in <stdlib.h>. */
#if !defined _STDLIB_H || (!defined __USE_XOPEN && !defined __USE_XOPEN2K8)
@@ -98,7 +106,6 @@ extern __pid_t waitpid (__pid_t __pid, int *__stat_loc, int __options);
#if defined __USE_XOPEN || defined __USE_XOPEN2K8
# ifndef __id_t_defined
-# include <bits/types.h>
typedef __id_t id_t;
# define __id_t_defined
# endif