X-Git-Url: https://git.distorted.org.uk/~mdw/xtoys/blobdiff_plain/f3b35b6bbd646fb0e676ef3d64c91b38ff9f9162..46e0036e55bdebdfc4a05f9c66e73718ba08d2fa:/xwait.c

diff --git a/xwait.c b/xwait.c
index 06e0e5c..965b368 100644
--- a/xwait.c
+++ b/xwait.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: xwait.c,v 1.3 1998/11/21 22:30:27 mdw Exp $
+ * $Id: xwait.c,v 1.5 1998/11/30 22:36:53 mdw Exp $
  *
  * Wait until prodded by another X client
  *
@@ -29,6 +29,12 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: xwait.c,v $
+ * Revision 1.5  1998/11/30 22:36:53  mdw
+ * Tidy up tabbing in help texts very slightly.
+ *
+ * Revision 1.4  1998/11/21 22:41:19  mdw
+ * Reap children which die before I get my signal handler installed.
+ *
  * Revision 1.3  1998/11/21 22:30:27  mdw
  * Support GNU-style long options throughout, and introduce proper help
  * text to all programs.  Update manual pages to match.
@@ -135,7 +141,7 @@ int main(int argc, char *argv[])
 "-d, --display=DISPLAY	Choose X display to connect to\n"
 "-f, --force		Run even if this property is waited for by another\n"
 "			process\n"
-"-a, --atom=ATOM		Choose property name to listen for\n"
+"-a, --atom=ATOM\t	Choose property name to listen for\n"
 "-m, --msg=MSG		Choose value of property to wait for\n",
           stdout);
 	exit(0);
@@ -222,12 +228,23 @@ int main(int argc, char *argv[])
 
   {
     struct sigaction sa;
+    sigset_t ss, oss;
+
+    /* --- Set the handler up --- */
 
     sa.sa_handler = sigchld;
     sigemptyset(&sa.sa_mask);
     sigaddset(&sa.sa_mask, SIGCHLD);
     sa.sa_flags = 0;
     sigaction(SIGCHLD, &sa, 0);
+
+    /* --- Now reap any which have been waiting around so far --- */
+
+    sigemptyset(&ss);
+    sigaddset(&ss, SIGCHLD);
+    sigprocmask(SIG_BLOCK, &ss, &oss);
+    sigchld(SIGCHLD);
+    sigprocmask(SIG_SETMASK, &oss, 0);
   }
 
   /* --- Now wait for an event --- */