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Re: RFC: [PATCH] trans/fakeroot.c
From: |
Svante Signell |
Subject: |
Re: RFC: [PATCH] trans/fakeroot.c |
Date: |
Mon, 12 Oct 2015 15:04:40 +0200 |
On Mon, 2015-10-12 at 14:49 +0200, Samuel Thibault wrote:
> Svante Signell, le Mon 12 Oct 2015 14:45:09 +0200, a écrit :
> > On Mon, 2015-10-12 at 02:08 +0200, Samuel Thibault wrote:
> > > The commit I have just pushed, which does make sense, does fix gpsd at
> > > least.
> Please erase your build tree and restart the build from scratch. You
> probably have a remaining non-writable gpsd.udev file.
Yes, I had forgotten to remove it. Thanks!
> > Since the packages I've built builds fine using the condition below:
> > if (file != MACH_PORT_NULL && (nn->openmodes & newmodes))
> > please explain what is wrong with it and why it works while your does
> > not?
>
> I have explained at length how the function is supposed to behave in
> my previous mail. Your proposed change does not meet what I said.
> Notably, in the nn->openmodes = O_READ and newmodes = O_WRITE case,
> it'll be wrong: nn->openmodes & newmodes will be zero, and thus the
> 'file' port will be used as such, but it will not have O_WRITE mode!
> Subsequent writes to the file will then fail (and if they don't, that's
> another bug to be fixed).
OK I buy your explanation; though there seems to be remaining bugs.
- Re: RFC: [PATCH] trans/fakeroot.c, Svante Signell, 2015/10/11
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/15
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/11
- Re: RFC: [PATCH] trans/fakeroot.c, Svante Signell, 2015/10/15
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/12
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/12
- Re: RFC: [PATCH] trans/fakeroot.c,
Svante Signell <=
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/12
- Re: RFC: [PATCH] trans/fakeroot.c, Svante Signell, 2015/10/12
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/12
- Re: RFC: [PATCH] trans/fakeroot.c, Svante Signell, 2015/10/13
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/13
- Re: RFC: [PATCH] trans/fakeroot.c, Svante Signell, 2015/10/13
- Re: RFC: [PATCH] trans/fakeroot.c, Samuel Thibault, 2015/10/15