+/* $OpenLDAP$ */
/*
* Copyright (c) 1990, 1994 Regents of the University of Michigan.
* All rights reserved.
break;
}
- if ( do_close )
- for ( i = 3; i < nbits; i++ )
- close( i );
-
- (void) chdir( "/" );
-
if ( (sd = open( "/dev/null", O_RDWR )) == -1 ) {
- perror( "/dev/null" );
- exit( EXIT_FAILURE );
+ perror("/dev/null");
}
- for ( i = 0; i < 3; i++ )
- if ( sd != i && isatty( i ) )
- (void) dup2( sd, i );
- if ( sd > 2 )
- close( sd );
+
+ /* 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
#ifdef HAVE_SETSID
(void) setsid();