Fix build on FreeBSD 9.1 and Current. Thanks to Anton Yuzjaninov for testing.

CMakeLists.txt

@@ -667,6 +667,7 @@ FIND_LIBRARY(LIBUTIL_LIBRARY NAMES util PATHS	PATH_SUFFIXES lib64 lib
 IF(LIBUTIL_LIBRARY)
 	LIST(APPEND CMAKE_REQUIRED_LIBRARIES util)
 	CHECK_FUNCTION_EXISTS(pidfile_open HAVE_PIDFILE)
+	CHECK_FUNCTION_EXISTS(pidfile_fileno HAVE_PIDFILE_FILENO)
 
 	FIND_FILE(HAVE_LIBUTIL_H NAMES libutil.h PATHS /usr/include
 											   /opt/include

config.h.in

@@ -104,6 +104,8 @@
 
 #cmakedefine HAVE_PIDFILE        1
 
+#cmakedefine HAVE_PIDFILE_FILENO 1
+
 #cmakedefine HAVE_SETPROCTITLE   1
 
 #cmakedefine HAVE_GETPAGESIZE    1

src/util.c

@@ -408,7 +408,11 @@ write_pid (struct rspamd_main *main)
 
 	if (main->is_privilleged) {
 		/* Force root user as owner of pid file */
+#ifdef HAVE_PIDFILE_FILENO
+		if (fchown (pidfile_fileno (main->pfh), 0, 0) == -1) {
+#else
 		if (fchown (main->pfh->pf_fd, 0, 0) == -1) {
+#endif
 			msg_err ("cannot chown of pidfile %s to 0:0 user", main->cfg->pid_file);
 		}
 	}