Merge "BpfRingBuffer: allow subclassing, add epoll support" into main
diff --git a/staticlibs/native/bpf_headers/include/bpf/BpfRingbuf.h b/staticlibs/native/bpf_headers/include/bpf/BpfRingbuf.h
index cd51004..cf90d60 100644
--- a/staticlibs/native/bpf_headers/include/bpf/BpfRingbuf.h
+++ b/staticlibs/native/bpf_headers/include/bpf/BpfRingbuf.h
@@ -20,6 +20,7 @@
#include <android-base/unique_fd.h>
#include <linux/bpf.h>
#include <poll.h>
+#include <sys/epoll.h>
#include <sys/mman.h>
#include <utils/Log.h>
@@ -139,12 +140,24 @@
static base::Result<std::unique_ptr<BpfRingbuf<Value>>> Create(
const char* path);
+ int epoll_ctl_add(int epfd, struct epoll_event *event) {
+ return epoll_ctl(epfd, EPOLL_CTL_ADD, mRingFd.get(), event);
+ }
+
+ int epoll_ctl_mod(int epfd, struct epoll_event *event) {
+ return epoll_ctl(epfd, EPOLL_CTL_MOD, mRingFd.get(), event);
+ }
+
+ int epoll_ctl_del(int epfd) {
+ return epoll_ctl(epfd, EPOLL_CTL_DEL, mRingFd.get(), NULL);
+ }
+
// Consumes all messages from the ring buffer, passing them to the callback.
// Returns the number of messages consumed or a non-ok result on error. If the
// ring buffer has no pending messages an OK result with count 0 is returned.
base::Result<int> ConsumeAll(const MessageCallback& callback);
- private:
+ protected:
// Empty ctor for use by Create.
BpfRingbuf() : BpfRingbufBase(sizeof(Value)) {}
};