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95 lines
1.4 KiB
95 lines
1.4 KiB
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#include <assert.h>
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#include <pthread.h>
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#include <stdexcept>
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class Mutex
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{
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public:
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Mutex() : m_mutex(PTHREAD_MUTEX_INITIALIZER) {
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TRACE(this);
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int ret = pthread_mutex_init( &m_mutex, 0 );
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assert( ret == 0 );
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}
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~Mutex() {
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TRACE(this);
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int ret = pthread_mutex_destroy ( &m_mutex );
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assert( ret == 0 );
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}
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void lock() {
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TRACE(this);
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int ret = pthread_mutex_lock( &m_mutex );
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assert( ret == 0 );
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}
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void unlock() {
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TRACE(this);
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int ret = pthread_mutex_unlock( &m_mutex );
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assert( ret == 0 );
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}
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private:
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Mutex(const Mutex& m);
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Mutex& operator=(const Mutex& m);
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private:
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pthread_mutex_t m_mutex;
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};
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class ScopedLock
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{
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public:
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ScopedLock(Mutex* m) : m_mutex(m) {
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TRACE(this);
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m_mutex->lock();
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}
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~ScopedLock() {
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TRACE(this);
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m_mutex->unlock();
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}
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private:
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ScopedLock(const ScopedLock&);
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ScopedLock& operator=(const ScopedLock&);
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Mutex* m_mutex;
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};
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class User
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{
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public:
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User() : m_mutex() {
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TRACE(this);
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}
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~User() {
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TRACE(this);
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}
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void fv() {
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TRACE(this);
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ScopedLock sl(&m_mutex);
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throw std::logic_error("whoops");
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}
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private:
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Mutex m_mutex;
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};
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int main()
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{
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TRACE("main begin");
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User u;
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try {
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u.fv();
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} catch (std::logic_error ex) {
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std::cout << "std::logicexception: " << ex.what() << std::endl;
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}
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TRACE("main end");
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return 0;
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}
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