Refactoring: do not define EPOLL_SUPPORT if epoll is disabled or not supported.

13 files changed, 45 insertions, 46 deletions

diff --git a/configure.ac b/configure.ac
index 0285bb4f..3c528754 100644
--- a/configure.ac
+++ b/configure.ac
@@ -529,10 +529,9 @@ AC_ARG_ENABLE([[epoll]],
 if test "$enable_epoll" != "no"; then
   AX_HAVE_EPOLL
   if test "${ax_cv_have_epoll}" = "yes"; then
-    AC_DEFINE([EPOLL_SUPPORT],[1],[define to 1 to enable epoll support])
+    AC_DEFINE([[EPOLL_SUPPORT]],[[1]],[Define to 1 to enable epoll support])
     enable_epoll='yes'
   else
-    AC_DEFINE([EPOLL_SUPPORT],[0],[define to 0 to disable epoll support])
     if test "$enable_epoll" = "yes"; then
       AC_MSG_ERROR([[Support for epoll was explicitly requested but cannot be enabled on this platform.]])
     fi
diff --git a/src/examples/benchmark.c b/src/examples/benchmark.c
index d287b2fe..bb103c98 100644
--- a/src/examples/benchmark.c
+++ b/src/examples/benchmark.c
@@ -135,7 +135,7 @@ main (int argc, char *const *argv)
                                   "close");
 #endif
   d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_SUPPRESS_DATE_NO_CLOCK
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
                         | MHD_USE_EPOLL_LINUX_ONLY | MHD_USE_EPOLL_TURBO
 #endif
                         ,
diff --git a/src/examples/benchmark_https.c b/src/examples/benchmark_https.c
index 735a913e..5d7171be 100644
--- a/src/examples/benchmark_https.c
+++ b/src/examples/benchmark_https.c
@@ -181,7 +181,7 @@ main (int argc, char *const *argv)
                                               (void *) PAGE,
                                               MHD_RESPMEM_PERSISTENT);
   d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
                         | MHD_USE_EPOLL_LINUX_ONLY  | MHD_USE_EPOLL_TURBO
 #endif
                         ,
diff --git a/src/examples/demo.c b/src/examples/demo.c
index 7b2064e2..eca2c069 100644
--- a/src/examples/demo.c
+++ b/src/examples/demo.c
@@ -884,7 +884,7 @@ main (int argc, char *const *argv)
   mark_as_html (internal_error_response);
   update_directory ();
   d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
                         | MHD_USE_EPOLL_LINUX_ONLY
 #endif
                         ,
diff --git a/src/examples/demo_https.c b/src/examples/demo_https.c
index ad986148..a80ce5cf 100644
--- a/src/examples/demo_https.c
+++ b/src/examples/demo_https.c
@@ -933,7 +933,7 @@ main (int argc, char *const *argv)
   mark_as_html (internal_error_response);
   update_directory ();
   d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | MHD_USE_SSL
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
                         | MHD_USE_EPOLL_LINUX_ONLY
 #endif
                         ,
diff --git a/src/microhttpd/connection.c b/src/microhttpd/connection.c
index bf3f4d00..279aeaff 100644
--- a/src/microhttpd/connection.c
+++ b/src/microhttpd/connection.c
@@ -2894,7 +2894,7 @@ MHD_connection_handle_idle (struct MHD_Connection *connection)
       return MHD_YES;
     }
   MHD_connection_update_event_loop_info (connection);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
     {
       switch (connection->event_loop_info)
@@ -2945,7 +2945,7 @@ MHD_connection_handle_idle (struct MHD_Connection *connection)
 }
 
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
 /**
  * Perform epoll() processing, possibly moving the connection back into
  * the epoll() set if needed.
diff --git a/src/microhttpd/connection.h b/src/microhttpd/connection.h
index c2733fdf..4067af78 100644
--- a/src/microhttpd/connection.h
+++ b/src/microhttpd/connection.h
@@ -93,7 +93,7 @@ MHD_connection_close_ (struct MHD_Connection *connection,
                        enum MHD_RequestTerminationCode termination_code);
 
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
 /**
  * Perform epoll processing, possibly moving the connection back into
  * the epoll set if needed.
diff --git a/src/microhttpd/connection_https.c b/src/microhttpd/connection_https.c
index 94b6f3a6..a79d989a 100644
--- a/src/microhttpd/connection_https.c
+++ b/src/microhttpd/connection_https.c
@@ -159,7 +159,7 @@ MHD_tls_connection_handle_idle (struct MHD_Connection *connection)
         return MHD_YES;
       return MHD_connection_handle_idle (connection);
     }
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   return MHD_connection_epoll_update_ (connection);
 #else
   return MHD_YES;
diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index 7a8aa4ac..d813ca1b 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -415,7 +415,7 @@ recv_tls_adapter (struct MHD_Connection *connection, void *other, size_t i)
        (GNUTLS_E_INTERRUPTED == res) )
     {
       MHD_socket_set_error_ (MHD_SCKT_EINTR_);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
       connection->epoll_state &= ~MHD_EPOLL_STATE_READ_READY;
 #endif
       return -1;
@@ -456,7 +456,7 @@ send_tls_adapter (struct MHD_Connection *connection,
        (GNUTLS_E_INTERRUPTED == res) )
     {
       MHD_socket_set_error_ (MHD_SCKT_EINTR_);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
       connection->epoll_state &= ~MHD_EPOLL_STATE_WRITE_READY;
 #endif
       return -1;
@@ -663,7 +663,7 @@ MHD_get_fdset2 (struct MHD_Daemon *daemon,
        || (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION))
        || (0 != (daemon->options & MHD_USE_POLL)))
     return MHD_NO;
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
     {
       /* we're in epoll mode, use the epoll FD as a stand-in for
@@ -1047,7 +1047,7 @@ recv_param_adapter (struct MHD_Connection *connection,
                         other,
                         (MHD_SCKT_SEND_SIZE_) i,
                         MSG_NOSIGNAL);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if ( (0 > ret) && (MHD_SCKT_ERR_IS_EAGAIN_ (MHD_socket_get_error_ ())) )
     {
       /* Got EAGAIN --- no longer read-ready */
@@ -1128,7 +1128,7 @@ send_param_adapter (struct MHD_Connection *connection,
           return ret;
         }
       err = MHD_socket_get_error_();
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
       if ( (0 > ret) && (MHD_SCKT_ERR_IS_EAGAIN_(err)) )
         {
           /* EAGAIN --- no longer write-ready */
@@ -1148,7 +1148,7 @@ send_param_adapter (struct MHD_Connection *connection,
 #endif
   ret = (ssize_t) send (connection->socket_fd, other, (MHD_SCKT_SEND_SIZE_)i, MSG_NOSIGNAL);
   err = MHD_socket_get_error_();
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if ( (0 > ret) && (MHD_SCKT_ERR_IS_EAGAIN_(err)) )
     {
       /* EAGAIN --- no longer write-ready */
@@ -1485,7 +1485,7 @@ internal_add_connection (struct MHD_Daemon *daemon,
                   "failed to signal new connection via pipe");
 #endif
       }
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
     {
       if (0 == (daemon->options & MHD_USE_EPOLL_TURBO))
@@ -1610,7 +1610,7 @@ MHD_suspend_connection (struct MHD_Connection *connection)
   DLL_insert (daemon->suspended_connections_head,
               daemon->suspended_connections_tail,
               connection);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
     {
       if (0 != (connection->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL))
@@ -1728,7 +1728,7 @@ resume_suspended_connections (struct MHD_Daemon *daemon)
                          daemon->manual_timeout_tail,
                          pos);
         }
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
       if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
         {
           if (0 != (pos->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL))
@@ -1970,7 +1970,7 @@ MHD_cleanup_connections (struct MHD_Daemon *daemon)
                                    &pos->socket_context,
                                    MHD_CONNECTION_NOTIFY_CLOSED);
       MHD_ip_limit_del (daemon, pos->addr, pos->addr_len);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
       if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
         {
           if (0 != (pos->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL))
@@ -2152,7 +2152,7 @@ MHD_run_from_select (struct MHD_Daemon *daemon,
   if (MHD_USE_SUSPEND_RESUME == (daemon->options & mask))
     resume_suspended_connections (daemon);
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
     {
       /* we're in epoll mode, the epoll FD stands for
@@ -2583,7 +2583,7 @@ MHD_poll (struct MHD_Daemon *daemon,
 }
 
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
 
 /**
  * How many events to we process at most per epoll() call?  Trade-off
@@ -2833,7 +2833,7 @@ MHD_run (struct MHD_Daemon *daemon)
     MHD_poll (daemon, MHD_NO);
     MHD_cleanup_connections (daemon);
   }
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   else if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
   {
     MHD_epoll (daemon, MHD_NO);
@@ -2865,7 +2865,7 @@ MHD_select_thread (void *cls)
     {
       if (0 != (daemon->options & MHD_USE_POLL))
         MHD_poll (daemon, MHD_YES);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
       else if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY))
         MHD_epoll (daemon, MHD_YES);
 #endif
@@ -2972,7 +2972,7 @@ MHD_quiesce_daemon (struct MHD_Daemon *daemon)
     for (i = 0; i < daemon->worker_pool_size; i++)
       {
         daemon->worker_pool[i].socket_fd = MHD_INVALID_SOCKET;
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
         if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) &&
              (-1 != daemon->worker_pool[i].epoll_fd) &&
              (MHD_YES == daemon->worker_pool[i].listen_socket_in_epoll) )
@@ -2993,7 +2993,7 @@ MHD_quiesce_daemon (struct MHD_Daemon *daemon)
           }
       }
   daemon->socket_fd = MHD_INVALID_SOCKET;
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) &&
        (-1 != daemon->epoll_fd) &&
        (MHD_YES == daemon->listen_socket_in_epoll) )
@@ -3414,7 +3414,7 @@ parse_options_va (struct MHD_Daemon *daemon,
 }
 
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
 /**
  * Setup epoll() FD for the daemon and initialize it to listen
  * on the listen FD.
@@ -3549,7 +3549,7 @@ MHD_start_daemon_va (unsigned int flags,
   if (NULL == (daemon = malloc (sizeof (struct MHD_Daemon))))
     return NULL;
   memset (daemon, 0, sizeof (struct MHD_Daemon));
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   daemon->epoll_fd = -1;
 #endif
   /* try to open listen socket */
@@ -3999,7 +3999,7 @@ MHD_start_daemon_va (unsigned int flags,
       goto free_and_fail;
     }
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if ( (0 != (flags & MHD_USE_EPOLL_LINUX_ONLY)) &&
        (0 == daemon->worker_pool_size) &&
        (0 == (daemon->options & MHD_USE_NO_LISTEN_SOCKET)) )
@@ -4172,7 +4172,7 @@ MHD_start_daemon_va (unsigned int flags,
           d->connection_limit = conns_per_thread;
           if (i < leftover_conns)
             ++d->connection_limit;
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
           if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) &&
                (MHD_YES != setup_epoll_to_listen (d)) )
             goto thread_failed;
@@ -4242,7 +4242,7 @@ thread_failed:
  free_and_fail:
   /* clean up basic memory state in 'daemon' and return NULL to
      indicate failure */
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if (-1 != daemon->epoll_fd)
     close (daemon->epoll_fd);
 #endif
@@ -4362,7 +4362,7 @@ close_all_connections (struct MHD_Daemon *daemon)
 }
 
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
 /**
  * Shutdown epoll()-event loop by adding 'wpipe' to its event set.
  *
@@ -4417,7 +4417,7 @@ MHD_stop_daemon (struct MHD_Daemon *daemon)
         {
           daemon->worker_pool[i].shutdown = MHD_YES;
           daemon->worker_pool[i].socket_fd = MHD_INVALID_SOCKET;
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
           if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) &&
                (-1 != daemon->worker_pool[i].epoll_fd) &&
                (MHD_INVALID_SOCKET == fd) )
@@ -4439,7 +4439,7 @@ MHD_stop_daemon (struct MHD_Daemon *daemon)
         (void) shutdown (fd, SHUT_RDWR);
     }
 #endif
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) &&
        (-1 != daemon->epoll_fd) &&
        (MHD_INVALID_SOCKET == fd) )
@@ -4469,7 +4469,7 @@ MHD_stop_daemon (struct MHD_Daemon *daemon)
               MHD_PANIC ("Failed to join a thread\n");
           close_all_connections (&daemon->worker_pool[i]);
           (void) MHD_mutex_destroy_ (&daemon->worker_pool[i].cleanup_connection_mutex);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
           if ( (-1 != daemon->worker_pool[i].epoll_fd) &&
                (0 != MHD_socket_close_ (daemon->worker_pool[i].epoll_fd)) )
             MHD_PANIC ("close failed\n");
@@ -4520,7 +4520,7 @@ MHD_stop_daemon (struct MHD_Daemon *daemon)
         gnutls_certificate_free_credentials (daemon->x509_cred);
     }
 #endif
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) &&
        (-1 != daemon->epoll_fd) &&
        (0 != MHD_socket_close_ (daemon->epoll_fd)) )
@@ -4569,7 +4569,7 @@ MHD_get_daemon_info (struct MHD_Daemon *daemon,
       return NULL; /* no longer supported */
     case MHD_DAEMON_INFO_LISTEN_FD:
       return (const union MHD_DaemonInfo *) &daemon->socket_fd;
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
     case MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY:
       return (const union MHD_DaemonInfo *) &daemon->epoll_fd;
 #endif
@@ -4699,7 +4699,7 @@ MHD_is_feature_supported(enum MHD_FEATURE feature)
       return MHD_NO;
 #endif
     case MHD_FEATURE_EPOLL:
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
       return MHD_YES;
 #else
       return MHD_NO;
diff --git a/src/microhttpd/internal.h b/src/microhttpd/internal.h
index 40621e2d..863def56 100644
--- a/src/microhttpd/internal.h
+++ b/src/microhttpd/internal.h
@@ -512,7 +512,7 @@ typedef ssize_t
 struct MHD_Connection
 {
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   /**
    * Next pointer for the EDLL listing connections that are epoll-ready.
    */
@@ -757,7 +757,7 @@ struct MHD_Connection
    */
   int in_idle;
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   /**
    * What is the state of this socket in relation to epoll?
    */
@@ -949,7 +949,7 @@ struct MHD_Daemon
    */
   struct MHD_Connection *cleanup_tail;
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   /**
    * Head of EDLL of connections ready for processing (in epoll mode).
    */
@@ -1133,7 +1133,7 @@ struct MHD_Daemon
    */
   int listening_address_reuse;
 
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   /**
    * File descriptor associated with our epoll loop.
    */
diff --git a/src/microhttpd/mhd_sockets.h b/src/microhttpd/mhd_sockets.h
index 1d68fa44..c3ca1626 100644
--- a/src/microhttpd/mhd_sockets.h
+++ b/src/microhttpd/mhd_sockets.h
@@ -85,7 +85,7 @@
 #  ifdef HAVE_SYS_SELECT_H
 #    include <sys/select.h>
 #  endif
-#  if EPOLL_SUPPORT
+#  ifdef EPOLL_SUPPORT
 #    include <sys/epoll.h>
 #  endif
 #  ifdef HAVE_NETINET_TCP_H
diff --git a/src/testcurl/https/test_https_get_parallel.c b/src/testcurl/https/test_https_get_parallel.c
index cf32a021..5b1b23f5 100644
--- a/src/testcurl/https/test_https_get_parallel.c
+++ b/src/testcurl/https/test_https_get_parallel.c
@@ -147,7 +147,7 @@ main (int argc, char *const *argv)
 
   if (curl_uses_nss_ssl() == 0)
     aes256_sha = "rsa_aes_256_sha";    
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   errorCount +=
     test_wrap ("single threaded daemon, single client, epoll", &test_single_client,
                NULL,
@@ -163,7 +163,7 @@ main (int argc, char *const *argv)
                aes256_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY,
                srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT,
                srv_self_signed_cert_pem, MHD_OPTION_END);
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   errorCount +=
     test_wrap ("single threaded daemon, parallel clients, epoll",
                &test_parallel_clients, NULL,
diff --git a/src/testcurl/https/test_https_get_select.c b/src/testcurl/https/test_https_get_select.c
index 487b475e..e3e7af93 100644
--- a/src/testcurl/https/test_https_get_select.c
+++ b/src/testcurl/https/test_https_get_select.c
@@ -223,7 +223,7 @@ main (int argc, char *const *argv)
       fprintf (stderr, "Error: %s\n", strerror (errno));
       return -1;
     }
-#if EPOLL_SUPPORT
+#ifdef EPOLL_SUPPORT
   if (0 != (errorCount = testExternalGet (MHD_USE_EPOLL_LINUX_ONLY)))
     fprintf (stderr, "Fail: %d\n", errorCount);
 #endif