+
+ /* close stdin, stdout, stderr */
+ close( STDIN_FILENO );
+ close( STDOUT_FILENO );
+ close( STDERR_FILENO );
+
+ /* redirect stdin, stdout, stderr to /dev/null */
+ dup2( sd, STDIN_FILENO );
+ dup2( sd, STDOUT_FILENO );
+ dup2( sd, STDERR_FILENO );
+
+ close( sd );
+
+ if ( do_close ) {
+ /* close everything else */
+ for ( i = 0; i < nbits; i++ ) {
+ if( i != STDIN_FILENO &&
+ i != STDOUT_FILENO &&
+ i != STDERR_FILENO )
+ {
+ close( i );
+ }
+ }
+ }
+
+#ifdef CHDIR_TO_ROOT
+ (void) chdir( "/" );
+#endif