--- /dev/null
+/* Linuxthreads - a simple clone()-based implementation of Posix */
+/* threads for Linux. */
+/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
+/* */
+/* This program is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU Library General Public License */
+/* as published by the Free Software Foundation; either version 2 */
+/* of the License, or (at your option) any later version. */
+/* */
+/* This program is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
+/* GNU Library General Public License for more details. */
+
+/* hacked for use with gstreamer by andy wingo <wingo@pobox.com> */
+
+/* Internal data structures */
+
+#include <sys/types.h> /* _pthread_fastlock */
+
+typedef void * pthread_descr;
+
+/* Global array of thread handles, used for validating a thread id
+ and retrieving the corresponding thread descriptor. Also used for
+ mapping the available stack segments. */
+
+extern struct pthread_handle_struct __pthread_handles[PTHREAD_THREADS_MAX];
+
+struct pthread_handle_struct {
+ struct _pthread_fastlock h_lock; /* Fast lock for sychronized access */
+ pthread_descr h_descr; /* Thread descriptor or NULL if invalid */
+ char * h_bottom; /* Lowest address in the stack thread */
+};
+
+typedef struct pthread_handle_struct * pthread_handle;
+
+/* Return the handle corresponding to a thread id */
+
+static inline pthread_handle thread_handle(pthread_t id)
+{
+ return &__pthread_handles[id % PTHREAD_THREADS_MAX];
+}
+