--- src/bin/rm/rm.c	2005/01/05 16:24:19	1.11
+++ src/bin/rm/rm.c	2005/06/03 16:00:23	1.12
@@ -39,6 +39,7 @@
 #include <sys/stat.h>
 #include <sys/param.h>
 #include <sys/mount.h>
+#include <sys/ioctl.h>
 
 #include <err.h>
 #include <errno.h>
@@ -74,6 +75,7 @@ main(int argc, char *argv[])
 {
 	int ch;
 	const char *p;
+	pid_t tty_pgrp;
 
 	/*
 	 * Test for the special case where the utility is called as
@@ -110,7 +112,15 @@ main(int argc, char *argv[])
 			iflag = 1;
 			break;
 		case 'I':
-			Iflag = 1;
+			/*
+			 * The -I flag is intended to be generally aliasable
+			 * in /etc/csh.cshrc.  We apply it only to foreground
+			 * processes.
+			 */
+			if (ioctl(0, TIOCGPGRP, &tty_pgrp) == 0) {
+				if (tty_pgrp == getpgrp())
+					Iflag = 1;
+			}
 			break;
 		case 'P':
 			Pflag = 1;