Messages in this thread | | | Subject | Re: Can I open a special file with major/minor instead of name? | From | Andi Kleen <> | Date | 14 Jun 1998 11:49:26 +0200 |
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Dave Cinege <dcinege@psychosis.com> writes:
> This is the code in do_linuxrc(): > > (void) open("/dev/tty1",O_RDWR,0); > > This is what I want to do: > > (void) open( MKDEV(TTY_MAJOR,1) ,O_RDWR,0);
char *dev = mktemp(TEMPPATH "/devXXXXXX"); mknod(dev, 0600, MKDEV(TTY_MAJOR)); open(dev, O_RDWR, 0); unlink(dev);
Yes, this is a temp race, but I don't think that is a big problem inside linuxrc. If you want to avoid it create a not world writable directory first.
-Andi
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