Replaced tests for eventfd() and eventfd_read().
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7930 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 3b0d937..96e4b49 100644
--- a/configure.in
+++ b/configure.in
@@ -633,6 +633,31 @@
AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes])
+# Check for eventfd_t, eventfd() and eventfd_read()
+AC_MSG_CHECKING([for eventfd()])
+
+AC_TRY_LINK(
+[
+#include <sys/eventfd.h>
+], [
+ eventfd_t ev;
+ int fd;
+
+ fd = eventfd(5, 0);
+ eventfd_read(fd, &ev);
+ return 0;
+],
+[
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_EVENTFD], 1,
+ [Define to 1 if you have the `eventfd' function.])
+AC_DEFINE([HAVE_EVENTFD_READ], 1,
+ [Define to 1 if you have the `eventfd_read' function.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
# does this compiler support -m32 ?
AC_MSG_CHECKING([if gcc accepts -m32])
@@ -980,8 +1005,6 @@
AC_CHECK_FUNCS([ \
epoll_create \
epoll_pwait \
- eventfd \
- eventfd_read \
floor \
klogctl \
mallinfo \