diff options
| author | Arnd Bergmann | 2018-12-31 14:38:26 +0100 |
|---|---|---|
| committer | Arnd Bergmann | 2019-01-25 17:22:50 +0100 |
| commit | 0d6040d4681735dfc47565de288525de405a5c99 (patch) | |
| tree | c4e05f2bf6f6e50adc1e55f701a29e37bef99583 /arch/sh | |
| parent | 275f22148e8720e84b180d9e0cdf8abfd69bac5b (diff) | |
arch: add split IPC system calls where needed
The IPC system call handling is highly inconsistent across architectures,
some use sys_ipc, some use separate calls, and some use both. We also
have some architectures that require passing IPC_64 in the flags, and
others that set it implicitly.
For the addition of a y2038 safe semtimedop() system call, I chose to only
support the separate entry points, but that requires first supporting
the regular ones with their own syscall numbers.
The IPC_64 is now implied by the new semctl/shmctl/msgctl system
calls even on the architectures that require passing it with the ipc()
multiplexer.
I'm not adding the new semtimedop() or semop() on 32-bit architectures,
those will get implemented using the new semtimedop_time64() version
that gets added along with the other time64 calls.
Three 64-bit architectures (powerpc, s390 and sparc) get semtimedop().
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/syscalls/syscall.tbl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index a70db013dbc7..6d0b84e3ef2d 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -391,3 +391,14 @@ 381 common preadv2 sys_preadv2 382 common pwritev2 sys_pwritev2 383 common statx sys_statx +# room for arch specific syscalls +393 common semget sys_semget +394 common semctl sys_semctl +395 common shmget sys_shmget +396 common shmctl sys_shmctl +397 common shmat sys_shmat +398 common shmdt sys_shmdt +399 common msgget sys_msgget +400 common msgsnd sys_msgsnd +401 common msgrcv sys_msgrcv +402 common msgctl sys_msgctl |