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Using Condition Variables

1 PRIntn data = 0; /* Thread A */
2 PRLock *lock = PR_NewLock();
3 PRCondVar *cvar = PR_NewCondVar(lock);
4 PR_Lock(lock);
5 while( data == 0 )
6 PR_WaitCondVar( cvar, timeout );
/* lock released while blocked. */
/* re-locked at fall through */
7 data = 0; /* satisfy Thread B’s condition */
8 PR_NotifyCondVar( cvar );
9 PR_Unlock( lock );

Mozilla

Using Condition Variables

1 PRIntn data = 0; /* Thread A */

2 PRLock *lock = PR_NewLock();

3 PRCondVar *cvar = PR_NewCondVar(lock);

4 PR_Lock(lock);

5 while( data == 0 )

6 PR_WaitCondVar( cvar, timeout );

/* lock released while blocked. */

/* re-locked at fall through */

7 data = 0; /* satisfy Thread B’s condition */

8 PR_NotifyCondVar( cvar );

9 PR_Unlock( lock );

Notes: