On Wed, 2014-11-05 at 17:07 -0800, Brian C. Lane wrote:
On Tue, Nov 04, 2014 at 11:03:49AM -0500, David Shea wrote:
> Some system calls are interrupted by the receipt of a signal, for us
> most commonly a SIGCHLD caused by a process run from a different thread,
> which causes the call to return -1 and set errno to EINTR, which python
> converts into an OSError. Handle this by retrying the call.
What the heck? So basically system calls aren't thread-safe when using
subprocess in another thread? Seems like something that ought to be
fixed upstream.
subprocess is not thread-safe. Although some say it is I remember
weird
things happened when I tried to use subprocess for spawning many
processes from many threads to check NTP server availability.
--
Vratislav Podzimek
Anaconda Rider | Red Hat, Inc. | Brno - Czech Republic