SbThreadMutex.h

#ifndef COIN_SBTHREADMUTEX_H
#define COIN_SBTHREADMUTEX_H

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#include <Inventor/SbBasic.h>
#include <Inventor/C/threads/recmutex.h>

class SbThreadMutex {
public:
  SbThreadMutex(void) { this->mutex = cc_recmutex_construct(); }
  ~SbThreadMutex() { cc_recmutex_destruct(this->mutex); }

  int lock(void) {
    return cc_recmutex_lock(this->mutex);
  }

  SbBool tryLock(void) {
    return cc_recmutex_try_lock(this->mutex) == CC_OK;
  }
  
  int unlock(void) {
    return cc_recmutex_unlock(this->mutex);
  }

private:
  // FIXME: we need access to C mutex structur. Should we use friend,
  // or should we add a new public method to get to this structure?
  // pederb, 2002-06-26
  friend class SbCondVar;
  cc_recmutex * mutex;
};


#ifndef COIN_INTERNAL
// For TGS Inventor compile-time compatibility.
#include <Inventor/threads/SbThreadAutoLock.h>
#endif // COIN_INTERNAL

#endif // !COIN_SBTHREADMUTEX_H