On 08/16/2009 05:24 PM, Michael S. Tsirkin wrote:
Support build on rhel 5.3 where we have syscall for eventfd but not
userspace wrapper.
Signed-off-by: Michael S. Tsirkin<mst@xxxxxxxxxx>
---
compat/sys/eventfd.h | 13 +++++++++++++
configure | 1 +
2 files changed, 14 insertions(+), 0 deletions(-)
create mode 100644 compat/sys/eventfd.h
diff --git a/compat/sys/eventfd.h b/compat/sys/eventfd.h
new file mode 100644
index 0000000..f55d96a
--- /dev/null
+++ b/compat/sys/eventfd.h
@@ -0,0 +1,13 @@
+#ifndef _COMPAT_SYS_EVENTFD
+#define _COMPAT_SYS_EVENTFD
+
+#include<unistd.h>
+#include<syscall.h>
+
+
+static inline int eventfd (int count, int flags)
+{
+ return syscall(SYS_eventfd, count, flags);
+}
+
+#endif
diff --git a/configure b/configure
index 84af8bd..bb2680f 100755
--- a/configure
+++ b/configure
@@ -866,6 +866,7 @@ if test "$kvm" = "yes" ; then
kvm_cflags="-I$source_path/kvm/include"
kvm_cflags="$kvm_cflags -I$source_path/kvm/include/$kvm_arch"
+kvm_cflags="$kvm_cflags -I$source_path/compat"
er, that will override sys/eventfd.h even if it does exist. We need to prefer the system eventfd.h to ours.
--
error compiling committee.c: too many arguments to function
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