[Bug 94141] New: man page for dl_iterate_phdr() does not mention current-executable-first iteration pattern

[Bug 94141] New: man page for dl_iterate_phdr() does not mention current-executable-first iteration pattern

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=94141

            Bug ID: 94141
           Summary: man page for dl_iterate_phdr() does not mention
                    current-executable-first iteration pattern
           Product: Documentation
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: man-pages
          Assignee: documentation_man-pages-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
          Reporter: sque-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org
        Regression: No

When I was using dl_iterate_phdr(), I noticed that the currently running
executable wasn't showing up by name. And the first object visited by the
iteration was unnamed.

According to this Stack Overflow page, the first object will always be the
current executable:
http://stackoverflow.com/questions/8875876/getting-the-elf-header-of-the-main-executable

But I didn't find any mention of this behavior in the official documentation:
http://linux.die.net/man/3/dl_iterate_phdr

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[Bug 94141] man page for dl_iterate_phdr() does not mention current-executable-first iteration pattern

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=94141

Simon Que <sque-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|                            |http://linux.die.net/man/3/
                   |                            |dl_iterate_phdr

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[Bug 94141] man page for dl_iterate_phdr() does not mention current-executable-first iteration pattern

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r]

https://bugzilla.kernel.org/show_bug.cgi?id=94141

Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         Resolution|---                         |CODE_FIX

--- Comment #1 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I added some text to the man page to note this:

       The first object visited by callback is the main program.   For
       the main program, the dlpi_name field will be an empty string.

Closing this bug.

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