Re: [platform-testers] new snapshot available: grep-3.4-almost.19-ff30

[Bruno Haible]

Paul Eggert wrote:
> > The 'timeout 1 strace -o tr src/grep x <fifo >/dev/null' command does not
> > terminate within ca. 10 seconds
> 
> Oh, so it's a problem with 'timeout', not a bug in 'grep'?
> 
> What does 'timeout 1 sleep 2' do? It should exit with status 124 because of 
> the 
> timeout. If it exits with status 0, it's a bug.

It prints 'Terminated' and exits with status 143 (= signal 15).

> What do the following commands do? They are how require_timeout_ decides 
> whether 
> 'timeout' is working.
> 
> ( timeout 10s true ) > /dev/null 2>&1
> echo $? # echoes "0" if 'timeout' works

0

> timeout 10s false
> echo $? # echoes "1" if 'timeout' works

1

> Perhaps all we need to do is change require_timeout_ so that it excludes the 
> broken 'timeout' on Alpine 3.10; e.g., require_timeout_ could check that 
> "timeout 0.01 sleep 0.02" exits with status 124.

"timeout 0.01 sleep 0.02" exits with status 0.

This is on both Alpine Linux 3.10 and 3.12.

Bruno