[19/30] Linux: Assume iand consolidate socket wire-up syscall
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And disable if kernel does not support it.
Checked on x86_64-linux-gnu and i686-linux-gnu.
---
sysdeps/unix/sysv/linux/generic/syscalls.list | 1 -
sysdeps/unix/sysv/linux/i386/kernel-features.h | 2 +-
sysdeps/unix/sysv/linux/kernel-features.h | 1 +
sysdeps/unix/sysv/linux/m68k/kernel-features.h | 2 +-
sysdeps/unix/sysv/linux/microblaze/kernel-features.h | 1 -
sysdeps/unix/sysv/linux/powerpc/kernel-features.h | 1 -
sysdeps/unix/sysv/linux/s390/kernel-features.h | 2 +-
sysdeps/unix/sysv/linux/sh/kernel-features.h | 1 -
sysdeps/unix/sysv/linux/socket.c | 7 +------
sysdeps/unix/sysv/linux/sparc/kernel-features.h | 1 -
10 files changed, 5 insertions(+), 14 deletions(-)
Comments
On 10/19/22 18:14, Adhemerval Zanella via Libc-alpha wrote:
> And disable if kernel does not support it.
LGTM.
No regressions on x86_64 and i686.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
> Checked on x86_64-linux-gnu and i686-linux-gnu.
> ---
> sysdeps/unix/sysv/linux/generic/syscalls.list | 1 -
> sysdeps/unix/sysv/linux/i386/kernel-features.h | 2 +-
> sysdeps/unix/sysv/linux/kernel-features.h | 1 +
> sysdeps/unix/sysv/linux/m68k/kernel-features.h | 2 +-
> sysdeps/unix/sysv/linux/microblaze/kernel-features.h | 1 -
> sysdeps/unix/sysv/linux/powerpc/kernel-features.h | 1 -
> sysdeps/unix/sysv/linux/s390/kernel-features.h | 2 +-
> sysdeps/unix/sysv/linux/sh/kernel-features.h | 1 -
> sysdeps/unix/sysv/linux/socket.c | 7 +------
> sysdeps/unix/sysv/linux/sparc/kernel-features.h | 1 -
> 10 files changed, 5 insertions(+), 14 deletions(-)
>
> diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list
> index 889b62bbea..e5a62811a5 100644
> --- a/sysdeps/unix/sysv/linux/generic/syscalls.list
> +++ b/sysdeps/unix/sysv/linux/generic/syscalls.list
> @@ -1,7 +1,6 @@
> # File name Caller Syscall name # args Strong name Weak names
>
> # Socket APIs
> -socket - socket i:iii __socket socket
> socketpair - socketpair i:iiif __socketpair socketpair
> listen - listen i:ii __listen listen
> getsockname - getsockname i:ipp __getsockname getsockname
> diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h
> index babb0ff83d..4c2f1eb8f5 100644
> --- a/sysdeps/unix/sysv/linux/i386/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h
> @@ -19,7 +19,6 @@
>
> /* Direct socketcalls available with kernel 4.3. */
> #if __LINUX_KERNEL_VERSION >= 0x040300
> -# define __ASSUME_SOCKET_SYSCALL 1
> # define __ASSUME_SOCKETPAIR_SYSCALL 1
> # define __ASSUME_LISTEN_SYSCALL 1
> # define __ASSUME_GETSOCKNAME_SYSCALL 1
> @@ -41,6 +40,7 @@
> # undef __ASSUME_GETSOCKOPT_SYSCALL
> # undef __ASSUME_SETSOCKOPT_SYSCALL
> # undef __ASSUME_BIND_SYSCALL
> +# undef __ASSUME_SOCKET_SYSCALL
> #endif
>
> /* i686 only supports ipc syscall before 5.1. */
> diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
> index 3dc93f5b11..a42b70c85b 100644
> --- a/sysdeps/unix/sysv/linux/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/kernel-features.h
> @@ -80,6 +80,7 @@
> #define __ASSUME_GETSOCKOPT_SYSCALL 1
> #define __ASSUME_SETSOCKOPT_SYSCALL 1
> #define __ASSUME_BIND_SYSCALL 1
> +#define __ASSUME_SOCKET_SYSCALL 1
>
> /* Support for SysV IPC through wired syscalls. All supported architectures
> either support ipc syscall and/or all the ipc correspondent syscalls. */
> diff --git a/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
> index 37209378b9..38ffbdbaed 100644
> --- a/sysdeps/unix/sysv/linux/m68k/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
> @@ -19,7 +19,6 @@
>
> /* Direct socketcalls available with kernel 4.3. */
> #if __LINUX_KERNEL_VERSION >= 0x040300
> -# define __ASSUME_SOCKET_SYSCALL 1
> # define __ASSUME_SOCKETPAIR_SYSCALL 1
> # define __ASSUME_LISTEN_SYSCALL 1
> # define __ASSUME_GETSOCKNAME_SYSCALL 1
> @@ -43,6 +42,7 @@
> # undef __ASSUME_GETSOCKOPT_SYSCALL
> # undef __ASSUME_SETSOCKOPT_SYSCALL
> # undef __ASSUME_BIND_SYSCALL
> +# undef __ASSUME_SOCKET_SYSCALL
> #endif
>
> /* No support for PI futexes or robust mutexes before 3.10 for m68k. */
> diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
> index 7fff6dd902..389dd146b4 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
> @@ -18,7 +18,6 @@
> #include <endian.h>
>
> /* All supported kernel versions for MicroBlaze have these syscalls. */
> -#define __ASSUME_SOCKET_SYSCALL 1
> #define __ASSUME_CONNECT_SYSCALL 1
> #define __ASSUME_LISTEN_SYSCALL 1
> #define __ASSUME_GETSOCKNAME_SYSCALL 1
> diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> index af4555bb1d..9ee1dc2bc7 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> @@ -18,7 +18,6 @@
> <https://www.gnu.org/licenses/>. */
>
> /* New syscalls added for PowerPC in 2.6.37. */
> -#define __ASSUME_SOCKET_SYSCALL 1
> #define __ASSUME_CONNECT_SYSCALL 1
> #define __ASSUME_LISTEN_SYSCALL 1
> #define __ASSUME_GETSOCKNAME_SYSCALL 1
> diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h
> index ae8dc626b2..d5991b265b 100644
> --- a/sysdeps/unix/sysv/linux/s390/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h
> @@ -19,7 +19,6 @@
>
> /* Direct socketcalls available with kernel 4.3. */
> #if __LINUX_KERNEL_VERSION >= 0x040300
> -# define __ASSUME_SOCKET_SYSCALL 1
> # define __ASSUME_SOCKETPAIR_SYSCALL 1
> # define __ASSUME_LISTEN_SYSCALL 1
> # define __ASSUME_GETSOCKNAME_SYSCALL 1
> @@ -43,6 +42,7 @@
> # undef __ASSUME_GETSOCKOPT_SYSCALL
> # undef __ASSUME_SETSOCKOPT_SYSCALL
> # undef __ASSUME_BIND_SYSCALL
> +# undef __ASSUME_SOCKET_SYSCALL
> #endif
>
> /* s390 only supports ipc syscall before 5.1. */
> diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
> index 2883da92b2..3b57eb7f27 100644
> --- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
> @@ -23,7 +23,6 @@
> #include <endian.h>
>
> /* These syscalls were added for SH in 2.6.37. */
> -#define __ASSUME_SOCKET_SYSCALL 1
> #define __ASSUME_CONNECT_SYSCALL 1
> #define __ASSUME_LISTEN_SYSCALL 1
> #define __ASSUME_GETSOCKNAME_SYSCALL 1
> diff --git a/sysdeps/unix/sysv/linux/socket.c b/sysdeps/unix/sysv/linux/socket.c
> index 0fc7a61d06..0258fff872 100644
> --- a/sysdeps/unix/sysv/linux/socket.c
> +++ b/sysdeps/unix/sysv/linux/socket.c
> @@ -15,19 +15,14 @@
> License along with the GNU C Library; if not, see
> <https://www.gnu.org/licenses/>. */
>
> -#include <errno.h>
> -#include <signal.h>
> #include <sys/socket.h>
> -
> #include <socketcall.h>
> -#include <kernel-features.h>
> -#include <sys/syscall.h>
>
> int
> __socket (int fd, int type, int domain)
> {
> #ifdef __ASSUME_SOCKET_SYSCALL
> - return INLINE_SYSCALL (socket, 3, fd, type, domain);
> + return INLINE_SYSCALL_CALL (socket, fd, type, domain);
> #else
> return SOCKETCALL (socket, fd, type, domain);
> #endif
> diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
> index 2b7056c0fb..f3a5ef6a99 100644
> --- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
> @@ -41,7 +41,6 @@
> # undef __ASSUME_GETSOCKOPT_SYSCALL
> # undef __ASSUME_SETSOCKOPT_SYSCALL
> #else
> -# define __ASSUME_SOCKET_SYSCALL 1
> # define __ASSUME_SOCKETPAIR_SYSCALL 1
> # define __ASSUME_SHUTDOWN_SYSCALL 1
> #endif
@@ -1,7 +1,6 @@
# File name Caller Syscall name # args Strong name Weak names
# Socket APIs
-socket - socket i:iii __socket socket
socketpair - socketpair i:iiif __socketpair socketpair
listen - listen i:ii __listen listen
getsockname - getsockname i:ipp __getsockname getsockname
@@ -19,7 +19,6 @@
/* Direct socketcalls available with kernel 4.3. */
#if __LINUX_KERNEL_VERSION >= 0x040300
-# define __ASSUME_SOCKET_SYSCALL 1
# define __ASSUME_SOCKETPAIR_SYSCALL 1
# define __ASSUME_LISTEN_SYSCALL 1
# define __ASSUME_GETSOCKNAME_SYSCALL 1
@@ -41,6 +40,7 @@
# undef __ASSUME_GETSOCKOPT_SYSCALL
# undef __ASSUME_SETSOCKOPT_SYSCALL
# undef __ASSUME_BIND_SYSCALL
+# undef __ASSUME_SOCKET_SYSCALL
#endif
/* i686 only supports ipc syscall before 5.1. */
@@ -80,6 +80,7 @@
#define __ASSUME_GETSOCKOPT_SYSCALL 1
#define __ASSUME_SETSOCKOPT_SYSCALL 1
#define __ASSUME_BIND_SYSCALL 1
+#define __ASSUME_SOCKET_SYSCALL 1
/* Support for SysV IPC through wired syscalls. All supported architectures
either support ipc syscall and/or all the ipc correspondent syscalls. */
@@ -19,7 +19,6 @@
/* Direct socketcalls available with kernel 4.3. */
#if __LINUX_KERNEL_VERSION >= 0x040300
-# define __ASSUME_SOCKET_SYSCALL 1
# define __ASSUME_SOCKETPAIR_SYSCALL 1
# define __ASSUME_LISTEN_SYSCALL 1
# define __ASSUME_GETSOCKNAME_SYSCALL 1
@@ -43,6 +42,7 @@
# undef __ASSUME_GETSOCKOPT_SYSCALL
# undef __ASSUME_SETSOCKOPT_SYSCALL
# undef __ASSUME_BIND_SYSCALL
+# undef __ASSUME_SOCKET_SYSCALL
#endif
/* No support for PI futexes or robust mutexes before 3.10 for m68k. */
@@ -18,7 +18,6 @@
#include <endian.h>
/* All supported kernel versions for MicroBlaze have these syscalls. */
-#define __ASSUME_SOCKET_SYSCALL 1
#define __ASSUME_CONNECT_SYSCALL 1
#define __ASSUME_LISTEN_SYSCALL 1
#define __ASSUME_GETSOCKNAME_SYSCALL 1
@@ -18,7 +18,6 @@
<https://www.gnu.org/licenses/>. */
/* New syscalls added for PowerPC in 2.6.37. */
-#define __ASSUME_SOCKET_SYSCALL 1
#define __ASSUME_CONNECT_SYSCALL 1
#define __ASSUME_LISTEN_SYSCALL 1
#define __ASSUME_GETSOCKNAME_SYSCALL 1
@@ -19,7 +19,6 @@
/* Direct socketcalls available with kernel 4.3. */
#if __LINUX_KERNEL_VERSION >= 0x040300
-# define __ASSUME_SOCKET_SYSCALL 1
# define __ASSUME_SOCKETPAIR_SYSCALL 1
# define __ASSUME_LISTEN_SYSCALL 1
# define __ASSUME_GETSOCKNAME_SYSCALL 1
@@ -43,6 +42,7 @@
# undef __ASSUME_GETSOCKOPT_SYSCALL
# undef __ASSUME_SETSOCKOPT_SYSCALL
# undef __ASSUME_BIND_SYSCALL
+# undef __ASSUME_SOCKET_SYSCALL
#endif
/* s390 only supports ipc syscall before 5.1. */
@@ -23,7 +23,6 @@
#include <endian.h>
/* These syscalls were added for SH in 2.6.37. */
-#define __ASSUME_SOCKET_SYSCALL 1
#define __ASSUME_CONNECT_SYSCALL 1
#define __ASSUME_LISTEN_SYSCALL 1
#define __ASSUME_GETSOCKNAME_SYSCALL 1
@@ -15,19 +15,14 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
-#include <errno.h>
-#include <signal.h>
#include <sys/socket.h>
-
#include <socketcall.h>
-#include <kernel-features.h>
-#include <sys/syscall.h>
int
__socket (int fd, int type, int domain)
{
#ifdef __ASSUME_SOCKET_SYSCALL
- return INLINE_SYSCALL (socket, 3, fd, type, domain);
+ return INLINE_SYSCALL_CALL (socket, fd, type, domain);
#else
return SOCKETCALL (socket, fd, type, domain);
#endif
@@ -41,7 +41,6 @@
# undef __ASSUME_GETSOCKOPT_SYSCALL
# undef __ASSUME_SETSOCKOPT_SYSCALL
#else
-# define __ASSUME_SOCKET_SYSCALL 1
# define __ASSUME_SOCKETPAIR_SYSCALL 1
# define __ASSUME_SHUTDOWN_SYSCALL 1
#endif