fds[fdn] = null;
return true;
}
+
+ /** Duplicates the file descriptor <i>fdn</i> and returns the new fs */
+ public int dupFD(int fdn) {
+ int i;
+ if(fdn < 0 || fdn >= OPEN_MAX) return -1;
+ if(fds[fdn] == null) return -1;
+ for(i=0;i<OPEN_MAX;i++) if(fds[i] == null) break;
+ if(i==OPEN_MAX) return -1;
+ fds[i] = fds[fdn].dup();
+ return i;
+ }
// FEATURE: These should be pulled in from UsermodeConstants but fcntl.h is hard to parse
public static final int RD_ONLY = 0;