TSG-14829 io_uring支持触发事件，适配mrzcpd的epoll_wait功能

bpf/bpf_obj.h

@@ -0,0 +1,31 @@
+#ifndef _BPF_OBJ_H_
+#define _BPF_OBJ_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stdint.h>
+
+struct bpf_obj_ctx;
+
+/*
+ * queue_num : same as worker thread number
+ * hash_mode : 2: hash with src/dst addr
+ *             4: hash with src/dst addr and src/dst port
+ * debug_log : 0 for disable(only use for debug, printf bpf debug log(cat /sys/kernel/debug/tracing/trace_pipe)
+ */
+struct bpf_obj_ctx *bpf_obj_load(const char *obj_file, uint32_t queue_num, uint32_t hash_mode, uint32_t debug_log);
+void bpf_obj_unload(struct bpf_obj_ctx *ctx);
+/*
+ * return  0 : success
+ * return -1 : error
+ */
+int bpf_obj_attach(struct bpf_obj_ctx *ctx, int fd);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif