* src/ratpoison.h (check_child_procs): new prototype

(chld_handler): likewise
(set_sig_handler): likewise

* src/main.c (check_child_procs): new function
(chld_handler): call check_child_procs
(free_screen): unselect all events on the root window.

* src/actions.c: include signal.h
(spawn): don't prefix the command with exec.
(set_wingravity): print the setting as a string.
(set_transgravity): likewise
(set_maxsizegravity): likewise
(set_bargravity): likewise
(set_font): likewise
(set_winfmt): likewise
(set_fgcolor): likewise
(set_bgcolor): likewise
(set_framesels): likewise
(cmd_tmpwm): ungrab the keys for all windows before spawning the
new wm.
(cmd_tmpwm): disable the sigchld handler then enabled it after the
wm returns. call check_child_procs.

1 files changed, 16 insertions, 5 deletions

diff --git a/src/main.c b/src/main.c
index 32f28e5..365985c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -181,14 +181,13 @@ alrm_handler (int signum)
   alarm_signalled++;
 }
 
+/* Check for child processes that have quit but haven't been
+   acknowledged yet. Update their structure. */
 void
-chld_handler (int signum)
+check_child_procs ()
 {
   rp_child_info *cur;
-  int pid, status, serrno;
-
-  serrno = errno;
-
+  int pid, status;
   while (1)
     {
       pid = waitpid (WAIT_ANY, &status, WNOHANG);
@@ -210,6 +209,15 @@ chld_handler (int signum)
 
       chld_signalled = 1;
     }
+}
+
+void
+chld_handler (int signum)
+{
+  int serrno;
+
+  serrno = errno;
+  check_child_procs();
   errno = serrno;  
 }
 
@@ -681,6 +689,9 @@ free_screen (rp_screen *s)
   rp_frame *frame;
   struct list_head *iter, *tmp;
 
+  /* Relinquish our hold on the root window. */
+  XSelectInput(dpy, RootWindow (dpy, s->screen_num), 0);
+
   list_for_each_safe_entry (frame, iter, tmp, &s->frames, node)
     {
       frame_free (s, frame);