1 files changed, 22 insertions, 2 deletions
diff --git a/include/sys/wait.h b/include/sys/wait.h
index ae41a48e..e73594ae 100644
--- a/include/sys/wait.h
+++ b/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
 }