--- /dev/null
+++ Libc/Libc-262.3.2/pthreads/pthread_impl.h
@@ -0,0 +1,28 @@
+#ifndef _PTHREAD_IMPL_H_
+#define _PTHREAD_IMPL_H_
+/*
+ * Internal implementation details
+ */
+
+/* This whole header file will disappear, so don't depend on it... */
+
+#ifndef __POSIX_LIB__
+
+/*
+ * [Internal] data structure signatures
+ */
+#define _PTHREAD_MUTEX_SIG_init		0x32AAABA7
+#define _PTHREAD_COND_SIG_init		0x3CB0B1BB
+#define _PTHREAD_ONCE_SIG_init		0x30B1BCBA
+/*
+ * POSIX scheduling policies
+ */
+#define SCHED_OTHER                1
+#define SCHED_FIFO                 4
+#define SCHED_RR                   2
+
+#define __SCHED_PARAM_SIZE__       4
+
+#endif /* __POSIX_LIB__ */
+
+#endif /* _PTHREAD_IMPL_H_ */