lkml.org 
[lkml]   [2006]   [Dec]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Feature request: exec self for NOMMU.
    On 12/26/06, Rob Landley <rob@landley.net> wrote:
    > I'm trying to make some nommu-friendly busybox-like tools, which means using
    > vfork() instead of fork(). This means that after I fork I have to exec in
    > the child to unblock the parent, and if I want to exec my current executable
    > I have to find out where it lives so I can feed the path to exec(). This is
    > nontrivial.
    >
    > Worse, it's not always possible. If chroot() has happened since the program
    > started, there may not _be_ a path to my current executable available from
    > this process's current or root directories.

    How about openning an fd to yourself at the beginning of execution, then calling
    fexecve later?
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-12-27 06:17    [W:0.040 / U:1.420 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site