Hi Andreas,
On 02/01/2016 10:46 AM, Andreas Gruenbacher wrote:
> When aio_sigevent.sigev_notify is set to SIGEV_SIGNAL, signal handlers
> called for asychronous I/O operations will have si->si_code set to
> SI_ASYNCIO. Check to make sure that si->si_value.sival_ptr is defined.
Thanks. Applied.
Cheers,
Michael
> Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
> ---
> aio.7 | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/aio.7 b/aio.7
> index 1f861da..21193fd 100644
> --- a/aio.7
> +++ b/aio.7
> @@ -281,12 +281,14 @@ quitHandler(int sig)
> static void /* Handler for I/O completion signal */
> aioSigHandler(int sig, siginfo_t *si, void *ucontext)
> {
> - write(STDOUT_FILENO, "I/O completion signal received\\n", 31);
> + if (si->si_code == SI_ASYNCIO) {
> + write(STDOUT_FILENO, "I/O completion signal received\\n", 31);
>
> - /* The corresponding ioRequest structure would be available as
> - struct ioRequest *ioReq = si\->si_value.sival_ptr;
> - and the file descriptor would then be available via
> - ioReq\->aiocbp\->aio_fildes */
> + /* The corresponding ioRequest structure would be available as
> + struct ioRequest *ioReq = si\->si_value.sival_ptr;
> + and the file descriptor would then be available via
> + ioReq\->aiocbp\->aio_fildes */
> + }
> }
>
> int
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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