libmicrohttpd

commit c36962f2c19a8d97f4faa0446b93984a75842c8e
parent 41be6325c89377b9a2d9aff1493c3d4fb62e0fb4
Author: Christian Grothoff <christian@grothoff.org>
Date:   Wed, 21 Sep 2011 07:58:16 +0000

fix

Diffstat:
M
ChangeLog
 | 
4
++++
M
configure.ac
 | 
6
++++++
M
src/daemon/daemon.c
 | 
11
+++++++----

3 files changed, 17 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Sep 21 09:53:18 CEST 2011
+	Reverting to using pipes for signalling select on non-Linux
+	platforms where shutdown-on-listen-sockets does not work. -WB/CG
+
 Mon Sep 19 14:06:30 CEST 2011
 	Fixing problem introduced with prompt response cleanup code. -CG
 
diff --git a/configure.ac b/configure.ac
@@ -85,6 +85,7 @@ case "$host_os" in
      ;;
 linux*)
      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux system])
+     AC_DEFINE_UNQUOTED(HAVE_LISTEN_SHUTDOWN,1,[can use shutdown on listen sockets])
      AM_CONDITIONAL(HAVE_GNU_LD, true)    
      AM_CONDITIONAL(HAVE_W32, false)        
      ;;
@@ -116,6 +117,7 @@ netbsd*)
      ;;
 *arm-linux*)
      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux system])
+     AC_DEFINE_UNQUOTED(HAVE_LISTEN_SHUTDOWN,1,[can use shutdown on listen sockets])
      CFLAGS="-D_REENTRANT -fPIC -pipe $CFLAGS"
      AM_CONDITIONAL(HAVE_GNU_LD, true)    
      AM_CONDITIONAL(HAVE_W32, false)        
@@ -147,6 +149,10 @@ netbsd*)
 *)
      AC_MSG_RESULT(Unrecognised OS $host_os)
      AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
+#    You might want to find out if your OS supports shutdown on listen sockets,
+#    and extend the switch statement; if we do not have 'HAVE_LISTEN_SHUTDOWN',
+#    pipes are used instead to signal 'select'.
+#    AC_DEFINE_UNQUOTED(HAVE_LISTEN_SHUTDOWN,1,[can use shutdown on listen sockets])
      AM_CONDITIONAL(HAVE_GNU_LD, false)    
      AM_CONDITIONAL(HAVE_W32, false)        
 ;;
diff --git a/src/daemon/daemon.c b/src/daemon/daemon.c
@@ -2517,23 +2517,24 @@ MHD_stop_daemon (struct MHD_Daemon *daemon)
   int fd;
   unsigned int i;
   int rc;
-  char c;
 
   if (daemon == NULL)
     return;
   daemon->shutdown = MHD_YES;
   fd = daemon->socket_fd;
   daemon->socket_fd = -1;
-  if (daemon->wpipe[1] != -1)
-    write (daemon->wpipe[1], "e", 1);
-
   /* Prepare workers for shutdown */
   for (i = 0; i < daemon->worker_pool_size; ++i)
     {
       daemon->worker_pool[i].shutdown = MHD_YES;
       daemon->worker_pool[i].socket_fd = -1;
     }
+#ifdef HAVE_LISTEN_SHUTDOWN
   SHUTDOWN (fd, SHUT_RDWR);
+#else
+  if (daemon->wpipe[1] != -1)
+    write (daemon->wpipe[1], "e", 1);
+#endif
 #if DEBUG_CLOSE
 #if HAVE_MESSAGES
   MHD_DLOG (daemon, "MHD listen socket shutdown\n");
@@ -2608,6 +2609,8 @@ MHD_stop_daemon (struct MHD_Daemon *daemon)
 #ifndef HAVE_LISTEN_SHUTDOWN
   if (daemon->wpipe[1] != -1)
     {
+      char c;
+
       /* just to be sure, remove the one char we 
 	 wrote into the pipe */
       (void) read (daemon->wpipe[0], &c, 1);