[libvirt] [PATCH] retry poll() in EINTR case in virPipeReadUntilEOF

Daniel P. Berrange berrange at redhat.com
Thu Dec 11 20:28:21 UTC 2008


On Thu, Dec 11, 2008 at 03:25:05PM -0500, Dave Allan wrote:
> I saw a few messages:
> 
> libvir: error : internal error poll error: Interrupted system call
> 
> during daemon-conf tests.  The messages come from virPipeReadUntilEOF. 
> I think the intention is that this case should be retried.  Patch attached.

ACK, definitely neccessary.

> diff --git a/src/util.c b/src/util.c
> index da26009..31a9702 100644
> --- a/src/util.c
> +++ b/src/util.c
> @@ -473,7 +473,7 @@ virPipeReadUntilEOF(virConnectPtr conn, int outfd, int errfd,
>      while(!(finished[0] && finished[1])) {
>  
>          if (poll(fds, ARRAY_CARDINALITY(fds), -1) < 0) {
> -            if (errno == EAGAIN)
> +            if (errno == EAGAIN || errno == EINTR)
>                  continue;
>              goto pollerr;
>          }


Daniel
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