X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Feventl.c;h=2fcac055b7bb7935377fbd0ca11320823b9aa930;hb=b5fec6a001dbcd8b303a11cede8b6c55512dbda0;hp=2392cc8317bdf60fd61836a6b6813cebefed1f30;hpb=fb6d99a0c7e07d9cc4a315c447deaf6564a85505;p=yaz-moved-to-github.git

diff --git a/src/eventl.c b/src/eventl.c
index 2392cc8..2fcac05 100644
--- a/src/eventl.c
+++ b/src/eventl.c
@@ -2,7 +2,7 @@
  * Copyright (C) 1995-2005, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: eventl.c,v 1.9 2005-06-25 15:46:04 adam Exp $
+ * $Id: eventl.c,v 1.10 2006-12-04 14:56:55 adam Exp $
  */
 
 /**
@@ -78,6 +78,31 @@ IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags, int chan_id)
     return new_iochan;
 }
 
+int iochan_is_alive(IOCHAN chan)
+{
+    static struct timeval to;
+    fd_set in, out, except;
+    int res, max;
+
+    to.tv_sec = 0;
+    to.tv_usec = 0;
+
+    FD_ZERO(&in);
+    FD_ZERO(&out);
+    FD_ZERO(&except);
+
+    FD_SET(chan->fd, &in);
+
+    max = chan->fd + 1;
+
+    res = YAZ_EV_SELECT(max + 1, &in, 0, 0, &to);
+    if (res == 0)
+        return 1;
+    if (!ir_read(chan, EVENT_INPUT))
+        return 0;
+    return 1;
+}
+
 int event_loop(IOCHAN *iochans)
 {
     do /* loop as long as there are active associations to process */