/* enter the stream's mutex and (optionally) check for a closed stream */ static jint enterMutex(Stream *stream, sys_event_t event) { jint ret = sysIPMutexEnter(stream->mutex, event); if (ret != SYS_OK) { if (IS_STATE_CLOSED(stream->state)) { setLastErrorMsg("stream closed"); } return ret; } if (IS_STATE_CLOSED(stream->state)) { setLastErrorMsg("stream closed"); (void)leaveMutex(stream); return SYS_ERR; } return SYS_OK; }
/* enter the stream's mutex and (optionally) check for a closed stream */ static jint enterMutex(Stream *stream, sys_event_t event) { jint ret = sysIPMutexEnter(stream->mutex, event); if (ret != SYS_OK) { return ret; } if (IS_STATE_CLOSED(stream->state)) { (void)leaveMutex(stream); return SYS_ERR; } return SYS_OK; }