xref: /system/extras/tests/bionic/libc/common/test_static_cpp_mutex.cpp

/*
 * 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.
 */
/* this program is used to test the locking of a recursive mutex in a static C++ constructor
 * this operation crashes on some
 */
#include <pthread.h>
#include <stdio.h>

class Foo {
private:
    pthread_mutex_t  mMutex;
public:
    virtual int   getValue();
    Foo();
    virtual ~Foo();
};

Foo::Foo()
{
    pthread_mutexattr_t  mattr;

    pthread_mutexattr_init(&mattr);
    pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_RECURSIVE);
    pthread_mutex_init(&mMutex, &mattr);
    pthread_mutex_lock(&mMutex);
    fprintf(stderr, "recursive lock initialized and locked\n" );
}

Foo::~Foo()
{
    pthread_mutex_unlock(&mMutex);
}

int Foo::getValue()
{
    return 0;
}

static Foo  f;

int main(void)
{
    printf( "f.getValue() returned: %d\n", f.getValue() );
    return 0;
}