Re: [PATCH 5/5] Update sysvipc kernel-features.h files for Linux 5.1

[Stepan Golosunov <stepan at golosunov dot pp dot ru>]

16.05.2019 в 12:12:49 -0300 Adhemerval Zanella написал:
> diff --git a/sysdeps/unix/sysv/linux/semop.c b/sysdeps/unix/sysv/linux/semop.c
> index 119ee06878..61649e3f41 100644
> --- a/sysdeps/unix/sysv/linux/semop.c
> +++ b/sysdeps/unix/sysv/linux/semop.c
> @@ -26,7 +26,9 @@
>  int
>  semop (int semid, struct sembuf *sops, size_t nsops)
>  {
> -#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
> +  /* semop wire-up syscall is not exported for 32-bit ABIs (they have

There is no semop on 64-bit ABIs too.

> +     semtimedop_time64 instead with uses a 64-bit time_t).  */
> +#ifdef __NR_semop
>    return INLINE_SYSCALL_CALL (semop, semid, sops, nsops);
>  #else
>    return INLINE_SYSCALL_CALL (ipc, IPCOP_semop, semid, nsops, 0, sops);

> diff --git a/sysdeps/unix/sysv/linux/semtimedop.c b/sysdeps/unix/sysv/linux/semtimedop.c
> index 1d746c4117..6bbca1e16f 100644
> --- a/sysdeps/unix/sysv/linux/semtimedop.c
> +++ b/sysdeps/unix/sysv/linux/semtimedop.c
> @@ -27,7 +27,9 @@ int
>  semtimedop (int semid, struct sembuf *sops, size_t nsops,
>  	    const struct timespec *timeout)
>  {
> -#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
> +  /* semop wire-up syscall is not exported for 32-bit ABIs (they have

semtimedop, not semop.  And on the three 64-bit ABIs the newly added
syscall is still called semtimedop.  __ASSUME_DIRECT_SYSVIPC_SYSCALLS
condition is still needed for them here (otherwise the new syscall
will be used even when __LINUX_KERNEL_VERSION < 0x050100).

> +     semtimedop_time64 instead with uses a 64-bit time_t).  */
> +#ifdef __NR_semtimedop
>    return INLINE_SYSCALL_CALL (semtimedop, semid, sops, nsops, timeout);
>  #else
>    return INLINE_SYSCALL_CALL (ipc, IPCOP_semtimedop, semid,