MartinPool <[EMAIL PROTECTED]> schrieb am 12.09.02 15:00:04:
> > ok, now I see: if one process has a stats file locked and another
> > process will lock the same stats file, than the second process
> > will silently fail, because the fcntl(fd, F_SETLKW, &fl) in
> > util.c:lock_fd() will fail. Is this a problem? I am not sure.
>
> It won't fail. It will pause until the lock can be taken.
from the man page:
F_SETLKW
Like F_SETLK, but instead of returning an error we
wait for the lock to be released. If a signal that
is to be caught is received while fcntl is waiting,
it is interrupted and (after the signal handler has
returned) returns immediately (with return value -1
and errno set to EINTR).
could fcntl return -1 with errno == EINTR in our situation?
> At work we have several build machines which are shared by my
> colleague and I. They run as me, but they work for both of us. If
> they ran ccache through distccd it would work just as well.
is your colleague compiling under his uid or under your uid?
Joerg
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