diff --git a/libc/include/pthread.h b/libc/include/pthread.h
new file mode 100644
index 0000000..e3afdae
--- /dev/null
+++ b/libc/include/pthread.h
@@ -0,0 +1,243 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#ifndef _PTHREAD_H_
+#define _PTHREAD_H_
+
+#include <time.h>
+#include <signal.h>
+#include <sched.h>
+#include <limits.h>
+#include <sys/types.h>
+
+/*
+ * Types
+ */
+typedef struct
+{
+    int volatile value;
+} pthread_mutex_t;
+
+#define  PTHREAD_MUTEX_INITIALIZER             {0}
+#define  PTHREAD_RECURSIVE_MUTEX_INITIALIZER   {0x4000}
+#define  PTHREAD_ERRORCHECK_MUTEX_INITIALIZER  {0x8000}
+
+enum {
+    PTHREAD_MUTEX_NORMAL = 0,
+    PTHREAD_MUTEX_RECURSIVE = 1,
+    PTHREAD_MUTEX_ERRORCHECK = 2,
+
+    PTHREAD_MUTEX_ERRORCHECK_NP = PTHREAD_MUTEX_ERRORCHECK,
+    PTHREAD_MUTEX_RECURSIVE_NP  = PTHREAD_MUTEX_RECURSIVE,
+
+    PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL
+};
+
+
+
+typedef struct
+{
+    int volatile value;
+} pthread_cond_t;
+
+typedef struct
+{
+    uint32_t flags;
+    void * stack_base;
+    size_t stack_size;
+    size_t guard_size;
+    int32_t sched_policy;
+    int32_t sched_priority;
+} pthread_attr_t;
+
+typedef long pthread_mutexattr_t;
+typedef long pthread_condattr_t;
+
+typedef int pthread_key_t;
+typedef long pthread_t;
+
+typedef volatile int  pthread_once_t;
+
+/*
+ * Defines
+ */
+#define PTHREAD_COND_INITIALIZER  {0}
+
+#define PTHREAD_STACK_MIN (2 * PAGE_SIZE)
+
+#define PTHREAD_CREATE_DETACHED  0x00000001
+#define PTHREAD_CREATE_JOINABLE  0x00000000
+
+#define PTHREAD_ONCE_INIT    0
+
+#define PTHREAD_PROCESS_PRIVATE  0
+#define PTHREAD_PROCESS_SHARED   1
+
+#define PTHREAD_SCOPE_SYSTEM     0
+#define PTHREAD_SCOPE_PROCESS    1
+
+/*
+ * Prototypes
+ */
+#if __cplusplus
+extern "C" {
+#endif
+
+int pthread_attr_init(pthread_attr_t * attr);
+int pthread_attr_destroy(pthread_attr_t * attr);
+
+int pthread_attr_setdetachstate(pthread_attr_t * attr, int state);
+int pthread_attr_getdetachstate(pthread_attr_t const * attr, int * state);
+
+int pthread_attr_setschedpolicy(pthread_attr_t * attr, int policy);
+int pthread_attr_getschedpolicy(pthread_attr_t const * attr, int * policy);
+
+int pthread_attr_setschedparam(pthread_attr_t * attr, struct sched_param const * param);
+int pthread_attr_getschedparam(pthread_attr_t const * attr, struct sched_param * param);
+
+int pthread_attr_setstacksize(pthread_attr_t * attr, size_t stack_size);
+int pthread_attr_getstacksize(pthread_attr_t const * attr, size_t * stack_size);
+
+int pthread_attr_setstackaddr(pthread_attr_t * attr, void * stackaddr);
+int pthread_attr_getstackaddr(pthread_attr_t const * attr, void ** stackaddr);
+
+int pthread_attr_setstack(pthread_attr_t * attr, void * stackaddr, size_t stack_size);
+int pthread_attr_getstack(pthread_attr_t const * attr, void ** stackaddr, size_t * stack_size);
+
+int pthread_attr_setguardsize(pthread_attr_t * attr, size_t guard_size);
+int pthread_attr_getguardsize(pthread_attr_t const * attr, size_t * guard_size);
+
+int pthread_attr_setscope(pthread_attr_t *attr, int  scope);
+int pthread_attr_getscope(pthread_attr_t const *attr);
+
+int pthread_getattr_np(pthread_t thid, pthread_attr_t * attr);
+
+int pthread_create(pthread_t *thread, pthread_attr_t const * attr,
+                   void *(*start_routine)(void *), void * arg);
+void pthread_exit(void * retval);
+int pthread_join(pthread_t thid, void ** ret_val);
+int pthread_detach(pthread_t  thid);
+
+pthread_t pthread_self(void);
+int pthread_equal(pthread_t one, pthread_t two);
+
+int pthread_getschedparam(pthread_t thid, int * policy,
+                          struct sched_param * param);
+int pthread_setschedparam(pthread_t thid, int poilcy,
+                          struct sched_param const * param);
+
+int pthread_mutexattr_init(pthread_mutexattr_t *attr);
+int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);
+int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type);
+int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type);
+int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int  pshared);
+int pthread_mutexattr_getpshared(pthread_mutexattr_t *attr, int *pshared);
+
+int pthread_mutex_init(pthread_mutex_t *mutex,
+                       const pthread_mutexattr_t *attr);
+int pthread_mutex_destroy(pthread_mutex_t *mutex);
+int pthread_mutex_lock(pthread_mutex_t *mutex);
+int pthread_mutex_unlock(pthread_mutex_t *mutex);
+int pthread_mutex_trylock(pthread_mutex_t *mutex);
+int pthread_mutex_timedlock(pthread_mutex_t *mutex, struct timespec*  ts);
+
+int pthread_cond_init(pthread_cond_t *cond,
+                      const pthread_condattr_t *attr);
+int pthread_cond_destroy(pthread_cond_t *cond);
+int pthread_cond_broadcast(pthread_cond_t *cond);
+int pthread_cond_signal(pthread_cond_t *cond);
+int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
+int pthread_cond_timedwait(pthread_cond_t *cond,
+                           pthread_mutex_t * mutex,
+                           const struct timespec *abstime);
+
+/* BIONIC: same as pthread_cond_timedwait, except the 'abstime' given refers
+ *         to the CLOCK_MONOTONIC clock instead, to avoid any problems when
+ *         the wall-clock time is changed brutally
+ */
+int pthread_cond_timedwait_monotonic(pthread_cond_t         *cond,
+                                     pthread_mutex_t        *mutex,
+                                     const struct timespec  *abstime);
+
+int pthread_cond_timeout_np(pthread_cond_t *cond,
+                            pthread_mutex_t * mutex,
+                            unsigned msecs);
+
+int pthread_key_create(pthread_key_t *key, void (*destructor_function)(void *));
+int pthread_key_delete (pthread_key_t);
+int pthread_setspecific(pthread_key_t key, const void *value);
+void *pthread_getspecific(pthread_key_t key);
+
+int pthread_kill(pthread_t tid, int sig);
+int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset);
+
+int pthread_getcpuclockid(pthread_t  tid, clockid_t  *clockid);
+
+int pthread_once(pthread_once_t  *once_control, void (*init_routine)(void));
+
+typedef void  (*__pthread_cleanup_func_t)(void*);
+
+typedef struct __pthread_cleanup_t {
+    struct __pthread_cleanup_t*   __cleanup_prev;
+    __pthread_cleanup_func_t      __cleanup_routine;
+    void*                         __cleanup_arg;
+} __pthread_cleanup_t;
+
+extern void  __pthread_cleanup_push(__pthread_cleanup_t*      c,
+                                    __pthread_cleanup_func_t  routine,
+                                    void*                     arg);
+
+extern void  __pthread_cleanup_pop(__pthread_cleanup_t*  c,
+                                   int                   execute);
+
+/* Believe or not, the definitions of pthread_cleanup_push and
+ * pthread_cleanup_pop below are correct. Posix states that these
+ * can be implemented as macros that might introduce opening and
+ * closing braces, and that using setjmp/longjmp/return/break/continue
+ * between them results in undefined behaviour.
+ *
+ * And indeed, GLibc and other C libraries use a similar definition
+ */
+#define  pthread_cleanup_push(routine, arg)                      \
+    do {                                                         \
+        __pthread_cleanup_t  __cleanup;                          \
+        __pthread_cleanup_push( &__cleanup, (routine), (arg) );  \
+
+#define  pthread_cleanup_pop(execute)                  \
+        __pthread_cleanup_pop( &__cleanup, (execute)); \
+    } while (0);
+
+#if __cplusplus
+} /* extern "C" */
+#endif
+
+/************ TO FIX ************/
+
+#define LONG_LONG_MAX __LONG_LONG_MAX__
+#define LONG_LONG_MIN (-__LONG_LONG_MAX__ - 1)
+
+#endif // _PTHREAD_H_