On Mon, 2006-12-18 at 10:54 -0500, Alan D. Brunelle wrote:
> (Hopefully this works better than my last patch attempt - Jens: the
> other patches got put on the back burner for some work-related stuff,
> I'll get to those in the New Year.)
>
> Alan
> plain text document attachment (bp-fix-empties)
> Fix problem where empty input files cause premature parsing of files.
>
> From: Alan D. Brunelle <[EMAIL PROTECTED]>
>
> Had a problem where CPU 0 opened a file with 0 traces, and that caused the
> run to end before processing other trace files.
> ---
>
> blkparse.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/blkparse.c b/blkparse.c
> index bded2f8..0d2ea12 100644
> --- a/blkparse.c
> +++ b/blkparse.c
> @@ -2249,8 +2249,10 @@ static int setup_file(struct per_dev_inf
>
> snprintf(pci->fname + len, sizeof(pci->fname)-1-len,
> "%s.blktrace.%d", pdi->name, pci->cpu);
> - if (stat(pci->fname, &st) < 0 || !st.st_size)
> + if (stat(pci->fname, &st) < 0)
> return 0;
> + if (!st.st_size)
> + return 1;
not picky but what if i do blkparse from a fifo? will this work?
>
> pci->fd = open(pci->fname, O_RDONLY);
> if (pci->fd < 0) {
-
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