Hi Jeff, On Wed, Apr 15, 2009 at 5:54 AM, Jeff Moyer <jmoyer@xxxxxxxxxx> wrote: > Hi, > > It was noted on lkml that the fork behaviour is documented for the posix > AIO calls, but not for the Linux native calls. Here is a patch which > adds a small blurb that folks will hopefully find useful. > > Signed-off-by: Jeff Moyer <jmoyer@xxxxxxxxxx> > > Upon fork, the child process does not inherit the io_context_t data structures > returned by io_setup, and thus cannot submit further asynchronous I/O or > reap event completions for said contexts. Thanks. I tweaked that very slightly, and have applied for man-pages-3.22. Cheers, Michael --- a/man2/fork.2 +++ b/man2/fork.2 @@ -83,7 +83,9 @@ The child does not inherit timers from its parent The child does not inherit outstanding asynchronous I/O operations from its parent .RB ( aio_read (3), -.BR aio_write (3)). +.BR aio_write (3)), +nor does it inherit outstanding asynchronous I/O context from its parent +.RB ( io_setup (2)). .PP The process attributes in the preceding list are all specified in POSIX.1-2001. > diff --git a/man2/fork.2 b/man2/fork.2 > index ce93b3e..fb9008e 100644 > --- a/man2/fork.2 > +++ b/man2/fork.2 > @@ -83,7 +83,9 @@ The child does not inherit timers from its parent > The child does not inherit outstanding asynchronous I/O operations > from its parent > .RB ( aio_read (3), > -.BR aio_write (3)). > +.BR aio_write (3)), > +nor does it inherit the asynchronous io_context returned by > +.BR io_setup (2). > .PP > The process attributes in the preceding list are all specified > in POSIX.1-2001. > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
