+/* $OpenLDAP$ */
/*
* Copyright (c) 1990, 1994 Regents of the University of Michigan.
* All rights reserved.
#include <stdio.h>
+#include <ac/stdlib.h>
#include <ac/signal.h>
+#include <ac/socket.h>
#include <ac/unistd.h>
-#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+
+#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
+#endif
#include "lutil.h"
-/* I'd really like to make do_close an fd_set, but that isn't portable. */
void
lutil_detach( int debug, int do_close )
{
break;
default:
- _exit( 0 );
+ _exit( EXIT_SUCCESS );
}
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( 1 );
+ perror("/dev/null");
+ }
+
+ /* 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 );
+ }
+ }
}
- for ( i = 0; i < 3; i++ )
- if ( sd != i && isatty( i ) )
- (void) dup2( sd, i );
- if ( sd > 2 )
- close( sd );
+
+#ifdef CHDIR_TO_ROOT
+ (void) chdir( "/" );
+#endif
#ifdef HAVE_SETSID
(void) setsid();
-#else /* HAVE_SETSID */
+#elif TIOCNOTTY
if ( (sd = open( "/dev/tty", O_RDWR )) != -1 ) {
(void) ioctl( sd, TIOCNOTTY, NULL );
(void) close( sd );
}
-#endif /* HAVE_SETSID */
+#endif
}
+#ifdef SIGPIPE
(void) SIGNAL( SIGPIPE, SIG_IGN );
+#endif
}