LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

aio.7: Improve example 

When aio_sigevent.sigev_notify is set to SIGEV_SIGNAL, signal
handlers called for asynchronous I/O operations will have
si->si_code set to SI_ASYNCIO.  Check to make sure that
si->si_value.sival_ptr is defined.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Andreas Gruenbacher 2016-02-01 10:46:58 +01:00 committed by Michael Kerrisk
parent 555c23c278
commit 148c6e74c0
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
man7/aio.7
View File

@ -282,12 +282,14 @@ 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