move wait.h macros out of bits. they do not vary.

arch/i386/bits/wait.h

-#define WNOHANG    1
-#define WUNTRACED  2
-
-#define WSTOPPED   2
-#define WEXITED    4
-#define WCONTINUED 8
-#define WNOWAIT    0x1000000
-
-#if defined(__XOPEN_SOURCE) || defined(__GNU_SOURCE)
-#define P_ALL  0
-#define P_PID  1
-#define P_PGID 2
-#endif

arch/i386/bits/wexitstatus.h

-#ifndef WEXITSTATUS
-#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
-#define WTERMSIG(s) ((s) & 0x7f)
-#define WSTOPSIG(s) WEXITSTATUS(s)
-#define WCOREDUMP(s) ((s) & 0x80)
-#define WIFEXITED(s) (!WTERMSIG(s))
-#define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
-#define WIFSIGNALED(s) (((signed char) (((s) & 0x7f) + 1) >> 1) > 0)
-#define WIFCONTINUED(s) ((s) == 0xffff)
-#endif

arch/x86_64/bits/wait.h

-#define WNOHANG    1
-#define WUNTRACED  2
-
-#define WSTOPPED   2
-#define WEXITED    4
-#define WCONTINUED 8
-#define WNOWAIT    0x1000000
-
-#if defined(__XOPEN_SOURCE) || defined(__GNU_SOURCE)
-#define P_ALL  0
-#define P_PID  1
-#define P_PGID 2
-#endif

arch/x86_64/bits/wexitstatus.h

-#ifndef WEXITSTATUS
-#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
-#define WTERMSIG(s) ((s) & 0x7f)
-#define WSTOPSIG(s) WEXITSTATUS(s)
-#define WCOREDUMP(s) ((s) & 0x80)
-#define WIFEXITED(s) (!WTERMSIG(s))
-#define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
-#define WIFSIGNALED(s) (((signed char) (((s) & 0x7f) + 1) >> 1) > 0)
-#define WIFCONTINUED(s) ((s) == 0xffff)
-#endif

include/stdlib.h

@@ -81,7 +81,14 @@ size_t wcstombs (char *, const wchar_t *, size_t);
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
 
 #ifndef WEXITSTATUS
-#include <bits/wexitstatus.h>
+#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
+#define WTERMSIG(s) ((s) & 0x7f)
+#define WSTOPSIG(s) WEXITSTATUS(s)
+#define WCOREDUMP(s) ((s) & 0x80)
+#define WIFEXITED(s) (!WTERMSIG(s))
+#define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
+#define WIFSIGNALED(s) (((signed char) (((s) & 0x7f) + 1) >> 1) > 0)
+#define WIFCONTINUED(s) ((s) == 0xffff)
 #endif
 
 int posix_memalign (void **, size_t, size_t);

include/sys/wait.h

@@ -23,8 +23,28 @@ pid_t wait3 (int *, int, struct rusage *);
 pid_t wait4 (pid_t, int *, int, struct rusage *);
 #endif
 
-#include <bits/wait.h>
-#include <bits/wexitstatus.h>
+#define WNOHANG    1
+#define WUNTRACED  2
+
+#define WSTOPPED   2
+#define WEXITED    4
+#define WCONTINUED 8
+#define WNOWAIT    0x1000000
+
+#define P_ALL  0
+#define P_PID  1
+#define P_PGID 2
+
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
+#define WTERMSIG(s) ((s) & 0x7f)
+#define WSTOPSIG(s) WEXITSTATUS(s)
+#define WCOREDUMP(s) ((s) & 0x80)
+#define WIFEXITED(s) (!WTERMSIG(s))
+#define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
+#define WIFSIGNALED(s) (((signed char) (((s) & 0x7f) + 1) >> 1) > 0)
+#define WIFCONTINUED(s) ((s) == 0xffff)
+#endif
 
 #ifdef __cplusplus
 }