X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=jbsockets.c;h=d650dba13dcfbdb950c8224efa30b712c0c2b4ca;hp=45b57a9ea24eaede6394257d0374fa62ef70733f;hb=693668a93fd6613f0b12e568ba87aa883674ff20;hpb=2ed19f071a3ddae438ced3269cc70b413ace18ae

diff --git a/jbsockets.c b/jbsockets.c
index 45b57a9e..d650dba1 100644
--- a/jbsockets.c
+++ b/jbsockets.c
@@ -1,4 +1,4 @@
-const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.117 2012/10/17 18:01:34 fabiankeil Exp $";
+const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.119 2012/10/23 10:17:36 fabiankeil Exp $";
 /*********************************************************************
  *
  * File        :  $Source: /cvsroot/ijbswa/current/jbsockets.c,v $
@@ -83,7 +83,6 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.117 2012/10/17 18:01:34 fabia
 
 #endif
 
-#ifdef FEATURE_CONNECTION_KEEP_ALIVE
 #ifdef HAVE_POLL
 #ifdef __GLIBC__
 #include <sys/poll.h>
@@ -91,7 +90,6 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.117 2012/10/17 18:01:34 fabia
 #include <poll.h>
 #endif /* def __GLIBC__ */
 #endif /* HAVE_POLL */
-#endif /* def FEATURE_CONNECTION_KEEP_ALIVE */
 
 #include "project.h"
 
@@ -742,6 +740,15 @@ void drain_and_close_socket(jb_socket fd)
       {
          char drainage[500];
 
+         if (!data_is_available(fd, 0))
+         {
+            /*
+             * If there is no data available right now, don't try
+             * to drain the socket as read_socket() could block.
+             */
+            break;
+         }
+
          bytes_drained = read_socket(fd, drainage, sizeof(drainage));
          if (bytes_drained < 0)
          {
@@ -1423,7 +1430,6 @@ unsigned long resolve_hostname_to_ip(const char *host)
 }
 
 
-#ifdef FEATURE_CONNECTION_KEEP_ALIVE
 /*********************************************************************
  *
  * Function    :  socket_is_still_alive
@@ -1477,7 +1483,6 @@ int socket_is_still_alive(jb_socket sfd)
 
    return (no_data_waiting || (1 == recv(sfd, buf, 1, MSG_PEEK)));
 }
-#endif /* def FEATURE_CONNECTION_KEEP_ALIVE */
 
 
 /*