679680681682683684685686687688689
/* */ { /* 987 */ this.systemKey = type(); /* */ /* 989 */ if (this.mutex == null) /* */ { /* 991 */ this.mutex = new Semaphore(this.systemKey); /* */ } /* */ /* 994 */ if (this.mutex != null) /* */ { /* 996 */ if (this.mutex.lock() == 0)