(tty_flush_winch): return boolean.

Return TRUE if at least one SIGWINCH flag was read from pipe.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

Author: aborodin

lib/tty/tty.c

@@ -216,10 +216,11 @@ tty_got_winch (void)
 
 /* --------------------------------------------------------------------------------------------- */
 
-void
+gboolean
 tty_flush_winch (void)
 {
     ssize_t n;
+    gboolean ret = FALSE;
 
     /* merge all SIGWINCH events raised to this moment */
     do
@@ -228,8 +229,14 @@ tty_flush_winch (void)
 
         /* read multiple events at a time  */
         n = read (sigwinch_pipe[0], &x, sizeof (x));
+
+        /* at least one SIGWINCH came */
+        if (n > 0)
+            ret = TRUE;
     }
     while (n > 0 || (n == -1 && errno == EINTR));
+
+    return ret;
 }
 
 /* --------------------------------------------------------------------------------------------- */

lib/tty/tty.h

@@ -81,7 +81,7 @@ extern void tty_disable_interrupt_key (void);
 extern gboolean tty_got_interrupt (void);
 
 extern gboolean tty_got_winch (void);
-extern void tty_flush_winch (void);
+extern gboolean tty_flush_winch (void);
 
 extern void tty_reset_prog_mode (void);
 extern void tty_reset_shell_mode (void);