Messages in this thread |  | | From | Arnd Bergmann <> | Subject | Re: SYSV IPC broken for no-legacy syscall kernels (was Re: [RFC PATCH v1 26/31] ARC: Build system: Makefiles, Kconfig, Linker script) | Date | Mon, 11 Mar 2013 13:30:15 +0000 |
| |
On Monday 11 March 2013, James Hogan wrote: > > /* > > * Version flags for semctl, msgctl, and shmctl commands > > * These are passed as bitflags or-ed with the actual command > > */ > > #define IPC_OLD 0 /* Old version (no 32-bit UID support on many > > architectures) */ > > #define IPC_64 0x0100 /* New version (support 32-bit UIDs, bigger > > message sizes, etc. */ > > > > So someone with more ABI wisdom needs to suggest what is the right approach. > > Agreed. > > Note that in uClibc, 64bit arches (excl alpha/mips for some reason) were > already defining __IPC_64 as 0, so there's some precedent for it working > the way it does.
Yes, there is no reason to need the distinction. If LTP is checking for IPC_OLD compatibility on anything but really old architectures, that is a bug in LTP, or possibly in the libc.
Arnd
|  |