[haiku-commits] r36106 - haiku/trunk/src/bin

From: korli@xxxxxxxxxxxxxxxx
To: haiku-commits@xxxxxxxxxxxxx
Date: Sat, 10 Apr 2010 16:16:58 +0200 (CEST)
Author: korli
Date: 2010-04-10 16:16:58 +0200 (Sat, 10 Apr 2010)
New Revision: 36106
Changeset: http://dev.haiku-os.org/changeset/36106/haiku

Modified:
   haiku/trunk/src/bin/top.c
Log:
* top now takes into account the current window rows count.


Modified: haiku/trunk/src/bin/top.c
===================================================================
--- haiku/trunk/src/bin/top.c   2010-04-10 13:48:28 UTC (rev 36105)
+++ haiku/trunk/src/bin/top.c   2010-04-10 14:16:58 UTC (rev 36106)
@@ -11,6 +11,7 @@
 /*
  * Top -- a program for finding the top cpu-eating threads
  */
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -44,8 +45,17 @@
 
 static char *clear_string; /* output string for clearing the screen */
 static int rows;       /* how many rows on the screen */
+static int screen_size_changed = 0;    /* tells to refresh the screen size */
 static int cpus;       /* how many cpus we are runing on */
 
+/* SIGWINCH handler */
+static void
+winch_handler(int notused)
+{
+       (void) notused;
+       screen_size_changed = 1;
+}
+
 /*
  * Grow the list to add just one more entry
  */
@@ -289,7 +299,7 @@
 }
 
 static int
-setup_term(void)
+setup_term(bool onlyRows)
 {
        char *term;
        char *str;
@@ -304,6 +314,8 @@
                return (0);
        }
        rows = ws.ws_row;
+       if (onlyRows)
+               return 1;
        term = getenv("TERM");
        if (term == NULL) {
                return (0);
@@ -357,6 +369,10 @@
        old_busy = *busy_wait_time;
        *busy_wait_time = info._busy_wait_time;
        if (old != NULL) {
+               if (screen_size_changed) {
+                       setup_term(true);
+                       screen_size_changed = 0;
+               }
                compare(old, &times, old_busy, *busy_wait_time, uinterval, 
refresh);
                free_times(old);
        }
@@ -423,7 +439,7 @@
                usage(myname);
        }
        if (refresh) {
-               if (!setup_term()) {
+               if (!setup_term(false)) {
                        refresh = 0;
                }
        }
@@ -436,6 +452,9 @@
                           (iters == 1) ? "" : "s", interval,
                           (interval == 1) ? "" : "s");
        }
+       
+       signal(SIGWINCH, winch_handler);
+       
        then = system_time();
        uinterval = interval * 1000000;
        baseline = gather(NULL, &busy, 0, refresh);
[haiku-commits] r36106 - haiku/trunk/src/bin

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