Revert "Add pthread_once function from AOSP"

This reverts commit 1ed73496.

vlc-android/jni/Android.mk

@@ -3,7 +3,7 @@ include $(CLEAR_VARS)
 
 LOCAL_MODULE    := libvlcjni
 
-LOCAL_SRC_FILES := libvlcjni.c aout.c thumbnailer.c pthread-condattr.c pthread-rwlocks.c pthread-once.c eventfd.c sem.c
+LOCAL_SRC_FILES := libvlcjni.c aout.c thumbnailer.c pthread-condattr.c pthread-rwlocks.c eventfd.c sem.c
 
 LOCAL_C_INCLUDES := $(VLC_SRC_DIR)/include
 

vlc-android/jni/pthread-once.c

-/*
- * 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.
- */
-
-#include <errno.h>
-#include <pthread.h>
-#include <unistd.h>
-
-/* from bionic_atomic_inline.h */
-# define ANDROID_MEMBAR_FULL() \
-	do { __asm__ __volatile__ ("" ::: "memory"); } while (0)
-
-/* NOTE: this implementation doesn't support a init function that throws a C++ exception
- *       or calls fork()
- */
-int pthread_once( pthread_once_t*  once_control,  void (*init_routine)(void) )
-{
-    if( once_control == NULL || init_routine == NULL )
-        return EINVAL;
-    static pthread_mutex_t   once_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
-    volatile pthread_once_t* ocptr = once_control;
-
-    pthread_once_t tmp = *ocptr;
-    ANDROID_MEMBAR_FULL();
-    if (tmp == PTHREAD_ONCE_INIT) {
-        pthread_mutex_lock( &once_lock );
-        if (*ocptr == PTHREAD_ONCE_INIT) {
-            (*init_routine)();
-            ANDROID_MEMBAR_FULL();
-            *ocptr = ~PTHREAD_ONCE_INIT;
-        }
-        pthread_mutex_unlock( &once_lock );
-    }
-    return 0;
-}