>>>>> Ralf Baechle writes:
Ralf> On Sun, Aug 22, 1999 at 09:13:19AM +0200, Andreas Jaeger wrote:
Ralf> Shouldn't the SV_* constants have the same values as their SA_*
>> Which SV_* constants?
Ralf> The BSD sigvector thingies defined in <signal.h>:
Ralf> /* Bits in `sv_flags'. */
Ralf> # define SV_ONSTACK (1 << 0)/* Take the signal on the signal stack.
Ralf> # define SV_INTERRUPT (1 << 1)/* Do not restart system calls. */
Ralf> # define SV_RESETHAND (1 << 2)/* Reset handler to SIG_DFL on receipt.
No problem - see the implementation of sigvec in
if (sv_flags & SV_ONSTACK)
sa_flags |= SA_ONSTACK;
There's no correspondence between the values of the flags.
>> I fear we need to do some emulation in sigaction for the old flags to
>> support both Linux 2.0 and 2.2 kernels with the same glibc.
Ralf> No, because only the kernel changed. glibc never changed so there is
Ralf> no reason to support other values for these bits than what is defined in
Ralf> glibc. It's a kernel messup and I'll fix it just there. Or?
I see - yes, please fix the kernel so that it is again in synch with
glibc. I'll make the appropiate changes in glibc 2.2.
Andreas Jaeger email@example.com firstname.lastname@example.org
for pgp-key finger email@example.com