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-rw-r--r--include/pipe.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/pipe.h b/include/pipe.h
index e7d7b67..157063d 100644
--- a/include/pipe.h
+++ b/include/pipe.h
@@ -6,4 +6,9 @@ namespace ov4
inline int self_pipe_fd[2] = {-1, -1};
+constexpr unsigned char SELF_PIPE_BYTE = 1;
+
+void self_pipe_init();
+int self_pipe_write();
+
} \ No newline at end of file