Make 'S' in interactive mode toggle display of system processes.

3 files changed, 11 insertions, 3 deletions

diff --git a/contrib/top/commands.c b/contrib/top/commands.c
index acb85775c4ac..4df6046da162 100644
--- a/contrib/top/commands.c
+++ b/contrib/top/commands.c
@@ -86,6 +86,7 @@ o       - specify sort order (read, write, fault, total)\n", stdout);
 	fputs("\
 r       - renice a process\n\
 s       - change number of seconds to delay between updates\n\
+S       - toggle the displaying of system processes\n\
 u       - display processes for only one user (+ selects all users)\n\
 \n\
 \n", stdout);
diff --git a/contrib/top/top.X b/contrib/top/top.X
index fb710609663b..97ec76a8b440 100644
--- a/contrib/top/top.X
+++ b/contrib/top/top.X
@@ -229,6 +229,9 @@ Change the number of processes to display (prompt for new number).
 Change the number of seconds to delay between displays
 (prompt for new number).
 .TP
+.B S
+Toggle the display of system processes.
+.TP
 .B k
 Send a signal (\*(lqkill\*(rq by default) to a list of processes.  This
 acts similarly to the command
diff --git a/contrib/top/top.c b/contrib/top/top.c
index 9508e47af7df..7c5d09cd962c 100644
--- a/contrib/top/top.c
+++ b/contrib/top/top.c
@@ -194,9 +194,9 @@ char *argv[];
     fd_set readfds;
 
 #ifdef ORDER
-    static char command_chars[] = "\f qh?en#sdkriIutHmo";
+    static char command_chars[] = "\f qh?en#sdkriIutHmSo";
 #else
-    static char command_chars[] = "\f qh?en#sdkriIutHm";
+    static char command_chars[] = "\f qh?en#sdkriIutHmS";
 #endif
 /* these defines enumerate the "strchr"s of the commands in command_chars */
 #define CMD_redraw	0
@@ -218,8 +218,9 @@ char *argv[];
 #define CMD_selftog	15
 #define CMD_thrtog	16
 #define CMD_viewtog	17
+#define CMD_viewsys	18
 #ifdef ORDER
-#define CMD_order       18
+#define CMD_order       19
 #endif
 
     /* set the buffer for stdout */
@@ -1002,6 +1003,9 @@ restart:
 				d_header = i_header;
 				reset_display();
 				break;
+			    case CMD_viewsys:
+				ps.system = !ps.system;
+				break;
 #ifdef ORDER
 			    case CMD_order:
 				new_message(MT_standout,