42 lines
738 B
C++
42 lines
738 B
C++
#ifndef SCOPED_LOCK_H_
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#define SCOPED_LOCK_H_
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#include "GbMutex.h"
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#include <pthread.h>
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#include <assert.h>
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//small scoped lock on mutexes
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class ScopedLock {
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pthread_mutex_t &mtx;
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bool locked;
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ScopedLock(const ScopedLock&);
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ScopedLock& operator=(const ScopedLock&);
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public:
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ScopedLock(pthread_mutex_t &mtx_)
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: mtx(mtx_), locked(true)
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{
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int rc = pthread_mutex_lock(&mtx);
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assert(rc==0);
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}
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ScopedLock(GbMutex &m)
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: mtx(m.mtx), locked(true)
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{
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int rc = pthread_mutex_lock(&mtx);
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assert(rc==0);
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}
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~ScopedLock() {
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if(locked) {
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int rc = pthread_mutex_unlock(&mtx);
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assert(rc==0);
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}
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}
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void unlock() {
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assert(locked);
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int rc = pthread_mutex_unlock(&mtx);
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assert(rc==0);
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locked = false;
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}
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};
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#endif
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