On Tuesday 10 April 2012 06:56 pm, Jung-uk Kim wrote:
> Th attached patch implements pipe2 syscall for Linuxulator, which
> is quite trivial. Although it was added in Linux 2.6.27 (thanks,
> netchild!), it is often used by popular Linux applications, e.g.,
> Adobe Flash plugin. Please note linux_pipe() was moved from MD
> files to sys/compat/linux/linux_file.c because both amd64 and i386
> versions looked the same and I failed to see any reason. I also
> changed file descriptor argument from l_ulong * to l_int *, which
> seemed more appropriate. Any objections?
Oops, I missed a patch for sys/kern/kern_descript.c:
Index: sys/kern/kern_descrip.c
===================================================================
--- sys/kern/kern_descrip.c (revision 234112)
+++ sys/kern/kern_descrip.c (working copy)
@@ -1681,6 +1681,8 @@ finstall(struct thread *td, struct file *fp, int
*
}
fhold(fp);
fdp->fd_ofiles[*fd] = fp;
+ if ((flags & O_NONBLOCK) != 0)
+ fp->f_flag |= FNONBLOCK;
if ((flags & O_CLOEXEC) != 0)
fdp->fd_ofileflags[*fd] |= UF_EXCLOSE;
FILEDESC_XUNLOCK(fdp);
> * PS: This patch is also available from here:
>
> http://people.freebsd.org/~jkim/linux_pipe2.diff
This patch is updated with it.
Sorry,
Jung-uk Kim
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