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    Subject[PATCH v16 02/15] tools lib fd array: Allow associating a pointer cookie with each entry
    Date
    Add a 'ptr' field to fdarray->priv array.

    This feature will be used by following commits, which introduce muiltiple
    'struct perf_mmap' array for different types of mapping. Because of this,
    during fdarray__filter(), a simple 'idx' is not enough. Add a pointer cookie
    allows directly associate a 'struct perf_mmap' pointer to an fdarray entry.

    Signed-off-by: Wang Nan <wangnan0@huawei.com>
    Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
    Cc: He Kuang <hekuang@huawei.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Masami Hiramatsu <mhiramat@kernel.org>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Zefan Li <lizefan@huawei.com>
    Cc: Nilay Vaish <nilayvaish@gmail.com>
    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: pi3orama@163.com
    ---
    tools/lib/api/fd/array.h | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/tools/lib/api/fd/array.h b/tools/lib/api/fd/array.h
    index e87fd80..71287dd 100644
    --- a/tools/lib/api/fd/array.h
    +++ b/tools/lib/api/fd/array.h
    @@ -22,6 +22,7 @@ struct fdarray {
    struct pollfd *entries;
    union {
    int idx;
    + void *ptr;
    } *priv;
    };

    --
    1.8.3.4
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