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main: replace --running-as= by --session and --system do mimic related tools and D-Bus

This commit is contained in:
Lennart Poettering 2010-07-13 18:57:58 +02:00
parent eee4b05fab
commit edb9aaa8b2
3 changed files with 49 additions and 36 deletions
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13
DISTRO_PORTING
View File

@ -10,7 +10,8 @@ HOWTO:
you need to add/change things.
1) Patch src/hostname-setup.c so that systemd knows where to
read your host name from.
read your host name from. You might also want to update
status_welcome() in util.c.
2) Check the unit files in units/ if they match your
distribution. Most likely you will have to make additions to
@ -23,11 +24,11 @@ HOWTO:
and you should be able to find the places where you need to
add/change things.
4) Try it out. Play around with 'systemd --test
--running-as=init' for a test run of systemd without
booting. This will read the unit files and print the initial
transaction it would execute during boot-up. This will also
inform you about ordering loops and suchlike.
4) Try it out. Play around with 'systemd --test --system' for
a test run of systemd without booting. This will read the unit
files and print the initial transaction it would execute
during boot-up. This will also inform you about ordering loops
and suchlike.
CONTRIBUTING UPSTREAM:
We are interested in merging your changes upstream, if they

24
man/systemd.xml
View File

@ -135,17 +135,19 @@
<filename>default.target</filename>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--running-as=</option></term>
<term><option>--system</option></term>
<term><option>--session</option></term>
<listitem><para>Tell systemd to run in
a particular mode. Argument is one of
<option>system</option>,
<option>session</option>. Normally it
should not be necessary to pass this
option, as systemd automatically
detects the mode it is started
in. This call is hence of little use
except for
<listitem><para>Tell systemd to run a
system instance (resp. session
instance), even if the process ID is
not 1 (resp. is 1), i.e. system is not
(resp. is) run as init process.
Normally it should not be necessary to
pass these options, as systemd
automatically detects the mode it is
started in. These options are hence of
little use except for
debugging.</para></listitem>
</varlistentry>
<varlistentry>
@ -466,7 +468,7 @@
when figuring out whether a service
shall be enabled. Note that a service
unit with a native unit configuration
file can be started by activating it
file cannot be started by activating it
in the SysV runlevel link
farm.</para></listitem>
</varlistentry>

48
src/main.c
View File

@ -545,7 +545,8 @@ static int parse_argv(int argc, char *argv[]) {
ARG_LOG_COLOR,
ARG_LOG_LOCATION,
ARG_UNIT,
ARG_RUNNING_AS,
ARG_SYSTEM,
ARG_SESSION,
ARG_TEST,
ARG_DUMP_CONFIGURATION_ITEMS,
ARG_DUMP_CORE,
@ -562,7 +563,8 @@ static int parse_argv(int argc, char *argv[]) {
{ "log-color", optional_argument, NULL, ARG_LOG_COLOR },
{ "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
{ "unit", required_argument, NULL, ARG_UNIT },
{ "running-as", required_argument, NULL, ARG_RUNNING_AS },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "session", no_argument, NULL, ARG_SESSION },
{ "test", no_argument, NULL, ARG_TEST },
{ "help", no_argument, NULL, 'h' },
{ "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
@ -634,17 +636,13 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_RUNNING_AS: {
ManagerRunningAs as;
if ((as = manager_running_as_from_string(optarg)) < 0) {
log_error("Failed to parse running as value %s", optarg);
return -EINVAL;
}
arg_running_as = as;
case ARG_SYSTEM:
arg_running_as = MANAGER_SYSTEM;
break;
case ARG_SESSION:
arg_running_as = MANAGER_SESSION;
break;
}
case ARG_TEST:
arg_action = ACTION_TEST;
@ -746,7 +744,8 @@ static int help(void) {
" --dump-configuration-items Dump understood unit configuration items\n"
" --introspect[=INTERFACE] Extract D-Bus interface data\n"
" --unit=UNIT Set default unit\n"
" --running-as=AS Set running as (system, session)\n"
" --system Run a system instance, even if PID != 1\n"
" --session Run a session instance\n"
" --dump-core Dump core on crash\n"
" --crash-shell Run shell on crash\n"
" --confirm-spawn Ask for confirmation when spawning processes\n"
@ -1042,7 +1041,7 @@ finish:
dbus_shutdown();
if (reexecute) {
const char *args[11];
const char *args[14];
unsigned i = 0;
char sfd[16];
@ -1057,8 +1056,22 @@ finish:
args[i++] = "--log-target";
args[i++] = log_target_to_string(log_get_target());
args[i++] = "--running-as";
args[i++] = manager_running_as_to_string(arg_running_as);
if (arg_running_as == MANAGER_SYSTEM)
args[i++] = "--system";
else
args[i++] = "--session";
if (arg_dump_core)
args[i++] = "--dump-core";
if (arg_crash_shell)
args[i++] = "--crash-shell";
if (arg_confirm_spawn)
args[i++] = "--confirm-spawn";
if (arg_show_status)
args[i++] = "--show-status";
snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
char_array_0(sfd);
@ -1066,9 +1079,6 @@ finish:
args[i++] = "--deserialize";
args[i++] = sfd;
if (arg_confirm_spawn)
args[i++] = "--confirm-spawn";
args[i++] = NULL;
assert(i <= ELEMENTSOF(args));