tests: add valgrind supp for epoll_ctl on 32-bit arch

The epoll_event.data union is 64-bits on 32-bit systems while
pointers are 32-bit.  We only use 32-bits of that union, but
valgrind mistakenly complains about it (the kernel does not
care about the user-supplied data union at all).

1 files changed, 6 insertions, 0 deletions

diff --git a/test/valgrind.supp b/test/valgrind.supp
index 259fa7c..073cb0f 100644
--- a/test/valgrind.supp
+++ b/test/valgrind.supp
@@ -17,3 +17,9 @@
         fun:malloc
         obj:/usr/lib*/libkqueue.so.*
 }
+{
+        epoll-ctl-event-ptr-on-32-bit
+        Memcheck:Param
+        epoll_ctl(event)
+        fun:epoll_ctl
+}