[systemd-devel] [PATCH] login: remove multi-seat-x

Lennart Poettering lennart at poettering.net
Mon Oct 27 06:00:21 PDT 2014


On Sun, 26.10.14 00:30, Timofey Titovets (nefelim4ag at gmail.com) wrote:

> Completed TODO: remove multi-seat-x

Hmm, I don't remember the details of this, did X release a new version
which makes this tool unnecessary? I think they commited code that
made it unnecessary, but did they actually release it?

> 
> From 57b2655d2041d2bb2e9b25bef577ead9b27ce6ee Mon Sep 17 00:00:00 2001
> From: Timofey Titovets <nefelim4ag at gmail.com>
> Date: Sun, 26 Oct 2014 00:17:24 +0300
> Subject: [PATCH] login: remove multi-seat-x
> 
> ---
>  Makefile.am              |  14 ------
>  TODO                     |   2 -
>  configure.ac             |   8 ----
>  src/login/multi-seat-x.c | 108
> -----------------------------------------------
>  4 files changed, 132 deletions(-)
>  delete mode 100644 src/login/multi-seat-x.c
> 
> diff --git a/Makefile.am b/Makefile.am
> index fae946a..fc86b45 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -5400,20 +5400,6 @@ SYSTEM_UNIT_ALIASES += \
>  BUSNAMES_TARGET_WANTS += \
>  	org.freedesktop.login1.busname
> 
> -if ENABLE_MULTI_SEAT_X
> -
> -systemd_multi_seat_x_SOURCES = \
> -	src/login/multi-seat-x.c
> -
> -systemd_multi_seat_x_LDADD = \
> -	libsystemd-label.la \
> -	libsystemd-shared.la
> -
> -rootlibexec_PROGRAMS += \
> -	systemd-multi-seat-x
> -
> -endif
> -
>  dist_udevrules_DATA += \
>  	src/login/70-uaccess.rules \
>  	src/login/70-power-switch.rules
> diff --git a/TODO b/TODO
> index ed00661..195ca55 100644
> --- a/TODO
> +++ b/TODO
> @@ -102,8 +102,6 @@ Features:
> 
>  * maybe introduce AssertXYZ= similar to ConditionXYZ= that causes a unit to
> fail (instead of skipping it) if some condition is not true...
> 
> -* remove multi-seat-x now
> -
>  * refcounting in sd-resolve is borked
> 
>  * exponential backoff in timesyncd and resolved when we cannot reach a
> server
> diff --git a/configure.ac b/configure.ac
> index c3b4ea3..f69eb82 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1063,14 +1063,6 @@ fi
>  AM_CONDITIONAL(ENABLE_EFI, [test "x$have_efi" = "xyes"])
> 
>  # ------------------------------------------------------------------------------
> -have_multi_seat_x=no
> -AC_ARG_ENABLE(multi_seat_x, AS_HELP_STRING([--disable-multi-seat-x], [do
> not build multi-seat-x]))
> -if test "x$enable_multi_seat_x" != "xno"; then
> -        have_multi_seat_x=yes
> -fi
> -AM_CONDITIONAL(ENABLE_MULTI_SEAT_X, [test "$have_multi_seat_x" = "yes"])
> -
> -# ------------------------------------------------------------------------------
>  have_terminal=no
>  AC_ARG_ENABLE(terminal, AS_HELP_STRING([--enable-terminal], [enable
> terminal support]))
>  if test "x$enable_terminal" = "xyes"; then
> diff --git a/src/login/multi-seat-x.c b/src/login/multi-seat-x.c
> deleted file mode 100644
> index 83760d4..0000000
> --- a/src/login/multi-seat-x.c
> +++ /dev/null
> @@ -1,108 +0,0 @@
> -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
> -
> -/***
> -  This file is part of systemd.
> -
> -  Copyright 2011 Lennart Poettering
> -
> -  systemd is free software; you can redistribute it and/or modify it
> -  under the terms of the GNU Lesser General Public License as published by
> -  the Free Software Foundation; either version 2.1 of the License, or
> -  (at your option) any later version.
> -
> -  systemd is distributed in the hope that it will be useful, but
> -  WITHOUT ANY WARRANTY; without even the implied warranty of
> -  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> -  Lesser General Public License for more details.
> -
> -  You should have received a copy of the GNU Lesser General Public License
> -  along with systemd; If not, see <http://www.gnu.org/licenses/>.
> -***/
> -
> -#include <string.h>
> -#include <unistd.h>
> -
> -#include "util.h"
> -#include "mkdir.h"
> -
> -int main(int argc, char *argv[]) {
> -
> -        int i;
> -        const char *seat = NULL;
> -        char **new_argv;
> -        _cleanup_free_ char *path = NULL;
> -        int r;
> -        _cleanup_fclose_ FILE *f = NULL;
> -
> -        /* This binary will go away as soon as X natively takes the
> -         * arguments in question as command line parameters, instead
> -         * of requiring them in the configuration file. */
> -
> -        /* If this file is removed, don't forget to remove the code
> -         * that invokes this in gdm and other display managers. */
> -
> -        for (i = 1; i < argc; i++)
> -                if (streq(argv[i], "-seat"))
> -                        seat = argv[i+1];
> -
> -        if (isempty(seat) || streq(seat, "seat0")) {
> -                argv[0] = (char*) X_SERVER;
> -                execv(X_SERVER, argv);
> -                log_error("Failed to execute real X server: %m");
> -                goto fail;
> -        }
> -
> -        r = mkdir_safe_label("/run/systemd/multi-session-x", 0755, 0, 0);
> -        if (r < 0) {
> -                log_error("Failed to create directory: %s", strerror(-r));
> -                goto fail;
> -        }
> -
> -        path = strappend("/run/systemd/multi-session-x/", seat);
> -        if (!path) {
> -                log_oom();
> -                goto fail;
> -        }
> -
> -        f = fopen(path, "we");
> -        if (!f) {
> -                log_error("Failed to write configuration file: %m");
> -                goto fail;
> -        }
> -
> -        fprintf(f,
> -                "Section \"ServerFlags\"\n"
> -                "        Option \"AutoAddDevices\" \"True\"\n"
> -                "        Option \"AllowEmptyInput\" \"True\"\n"
> -                "        Option \"DontVTSwitch\" \"True\"\n"
> -                "EndSection\n"
> -                "Section \"InputClass\"\n"
> -                "        Identifier \"Force Input Devices to Seat\"\n"
> -                "        Option \"GrabDevice\" \"True\"\n"
> -                "EndSection\n");
> -
> -        fflush(f);
> -
> -        if (ferror(f)) {
> -                log_error("Failed to write configuration file: %m");
> -                goto fail;
> -        }
> -
> -        fclose(f);
> -        f = NULL;
> -
> -        new_argv = newa(char*, argc + 3 + 1);
> -        memcpy(new_argv, argv, sizeof(char*) * (argc + 2 + 1));
> -
> -        new_argv[0] = (char*) X_SERVER;
> -        new_argv[argc+0] = (char*) "-config";
> -        new_argv[argc+1] = path;
> -        new_argv[argc+2] = (char*) "-sharevts";
> -        new_argv[argc+3] = NULL;
> -
> -        execv(X_SERVER, new_argv);
> -        log_error("Failed to execute real X server: %m");
> -
> -fail:
> -        return EXIT_FAILURE;
> -}
> -- 
> 2.1.2
> 
> 

> >From 57b2655d2041d2bb2e9b25bef577ead9b27ce6ee Mon Sep 17 00:00:00 2001
> From: Timofey Titovets <nefelim4ag at gmail.com>
> Date: Sun, 26 Oct 2014 00:17:24 +0300
> Subject: [PATCH] login: remove multi-seat-x
> 
> ---
>  Makefile.am              |  14 ------
>  TODO                     |   2 -
>  configure.ac             |   8 ----
>  src/login/multi-seat-x.c | 108 -----------------------------------------------
>  4 files changed, 132 deletions(-)
>  delete mode 100644 src/login/multi-seat-x.c
> 
> diff --git a/Makefile.am b/Makefile.am
> index fae946a..fc86b45 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -5400,20 +5400,6 @@ SYSTEM_UNIT_ALIASES += \
>  BUSNAMES_TARGET_WANTS += \
>  	org.freedesktop.login1.busname
>  
> -if ENABLE_MULTI_SEAT_X
> -
> -systemd_multi_seat_x_SOURCES = \
> -	src/login/multi-seat-x.c
> -
> -systemd_multi_seat_x_LDADD = \
> -	libsystemd-label.la \
> -	libsystemd-shared.la
> -
> -rootlibexec_PROGRAMS += \
> -	systemd-multi-seat-x
> -
> -endif
> -
>  dist_udevrules_DATA += \
>  	src/login/70-uaccess.rules \
>  	src/login/70-power-switch.rules
> diff --git a/TODO b/TODO
> index ed00661..195ca55 100644
> --- a/TODO
> +++ b/TODO
> @@ -102,8 +102,6 @@ Features:
>  
>  * maybe introduce AssertXYZ= similar to ConditionXYZ= that causes a unit to fail (instead of skipping it) if some condition is not true...
>  
> -* remove multi-seat-x now
> -
>  * refcounting in sd-resolve is borked
>  
>  * exponential backoff in timesyncd and resolved when we cannot reach a server
> diff --git a/configure.ac b/configure.ac
> index c3b4ea3..f69eb82 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1063,14 +1063,6 @@ fi
>  AM_CONDITIONAL(ENABLE_EFI, [test "x$have_efi" = "xyes"])
>  
>  # ------------------------------------------------------------------------------
> -have_multi_seat_x=no
> -AC_ARG_ENABLE(multi_seat_x, AS_HELP_STRING([--disable-multi-seat-x], [do not build multi-seat-x]))
> -if test "x$enable_multi_seat_x" != "xno"; then
> -        have_multi_seat_x=yes
> -fi
> -AM_CONDITIONAL(ENABLE_MULTI_SEAT_X, [test "$have_multi_seat_x" = "yes"])
> -
> -# ------------------------------------------------------------------------------
>  have_terminal=no
>  AC_ARG_ENABLE(terminal, AS_HELP_STRING([--enable-terminal], [enable terminal support]))
>  if test "x$enable_terminal" = "xyes"; then
> diff --git a/src/login/multi-seat-x.c b/src/login/multi-seat-x.c
> deleted file mode 100644
> index 83760d4..0000000
> --- a/src/login/multi-seat-x.c
> +++ /dev/null
> @@ -1,108 +0,0 @@
> -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
> -
> -/***
> -  This file is part of systemd.
> -
> -  Copyright 2011 Lennart Poettering
> -
> -  systemd is free software; you can redistribute it and/or modify it
> -  under the terms of the GNU Lesser General Public License as published by
> -  the Free Software Foundation; either version 2.1 of the License, or
> -  (at your option) any later version.
> -
> -  systemd is distributed in the hope that it will be useful, but
> -  WITHOUT ANY WARRANTY; without even the implied warranty of
> -  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> -  Lesser General Public License for more details.
> -
> -  You should have received a copy of the GNU Lesser General Public License
> -  along with systemd; If not, see <http://www.gnu.org/licenses/>.
> -***/
> -
> -#include <string.h>
> -#include <unistd.h>
> -
> -#include "util.h"
> -#include "mkdir.h"
> -
> -int main(int argc, char *argv[]) {
> -
> -        int i;
> -        const char *seat = NULL;
> -        char **new_argv;
> -        _cleanup_free_ char *path = NULL;
> -        int r;
> -        _cleanup_fclose_ FILE *f = NULL;
> -
> -        /* This binary will go away as soon as X natively takes the
> -         * arguments in question as command line parameters, instead
> -         * of requiring them in the configuration file. */
> -
> -        /* If this file is removed, don't forget to remove the code
> -         * that invokes this in gdm and other display managers. */
> -
> -        for (i = 1; i < argc; i++)
> -                if (streq(argv[i], "-seat"))
> -                        seat = argv[i+1];
> -
> -        if (isempty(seat) || streq(seat, "seat0")) {
> -                argv[0] = (char*) X_SERVER;
> -                execv(X_SERVER, argv);
> -                log_error("Failed to execute real X server: %m");
> -                goto fail;
> -        }
> -
> -        r = mkdir_safe_label("/run/systemd/multi-session-x", 0755, 0, 0);
> -        if (r < 0) {
> -                log_error("Failed to create directory: %s", strerror(-r));
> -                goto fail;
> -        }
> -
> -        path = strappend("/run/systemd/multi-session-x/", seat);
> -        if (!path) {
> -                log_oom();
> -                goto fail;
> -        }
> -
> -        f = fopen(path, "we");
> -        if (!f) {
> -                log_error("Failed to write configuration file: %m");
> -                goto fail;
> -        }
> -
> -        fprintf(f,
> -                "Section \"ServerFlags\"\n"
> -                "        Option \"AutoAddDevices\" \"True\"\n"
> -                "        Option \"AllowEmptyInput\" \"True\"\n"
> -                "        Option \"DontVTSwitch\" \"True\"\n"
> -                "EndSection\n"
> -                "Section \"InputClass\"\n"
> -                "        Identifier \"Force Input Devices to Seat\"\n"
> -                "        Option \"GrabDevice\" \"True\"\n"
> -                "EndSection\n");
> -
> -        fflush(f);
> -
> -        if (ferror(f)) {
> -                log_error("Failed to write configuration file: %m");
> -                goto fail;
> -        }
> -
> -        fclose(f);
> -        f = NULL;
> -
> -        new_argv = newa(char*, argc + 3 + 1);
> -        memcpy(new_argv, argv, sizeof(char*) * (argc + 2 + 1));
> -
> -        new_argv[0] = (char*) X_SERVER;
> -        new_argv[argc+0] = (char*) "-config";
> -        new_argv[argc+1] = path;
> -        new_argv[argc+2] = (char*) "-sharevts";
> -        new_argv[argc+3] = NULL;
> -
> -        execv(X_SERVER, new_argv);
> -        log_error("Failed to execute real X server: %m");
> -
> -fail:
> -        return EXIT_FAILURE;
> -}
> -- 
> 2.1.2
> 

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Lennart

-- 
Lennart Poettering, Red Hat


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