Bug#928240: etw: Segmentation fault at start

[Simon McVittie]

On Tue, 30 Apr 2019 at 23:04:50 +0200, Steinar H. Gunderson wrote:
> On a quick analysis: It appears that etw tries to find its own path by
> opening /proc/self/maps (code is in etw/prefix.c), looking for an executable
> mapping (r-xp) that contains the string "", and then looking at the path.

This seems unnecessarily complicated? /proc/self/maps is Linux-specific,
and if relying on Linux-specific things is acceptable, then
evaluating the symlink /proc/self/exe seems a lot easier. (See
e.g. Sys_FindExecutableName() in darkplaces.)

    smcv