Typing `rd.rescue` is easier than `rd.systemd.unit=rescue.target`.
<varlistentry>
<term><varname>-b</varname></term>
+ <term><varname>rd.emergency</varname></term>
<term><varname>emergency</varname></term>
+ <term><varname>rd.rescue</varname></term>
<term><varname>rescue</varname></term>
<term><varname>single</varname></term>
<term><varname>s</varname></term>
<term><varname>5</varname></term>
<listitem>
<para>Parameters understood by the system and service
- manager, as compatibility options. For details, see
+ manager, as compatibility and convenience options. For details, see
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>emergency</varname></term>
+ <term><varname>rd.emergency</varname></term>
<term><varname>-b</varname></term>
<listitem><para>Boot into emergency mode. This is equivalent
- to <varname>systemd.unit=emergency.target</varname> and
- provided for compatibility reasons and to be easier to
- type.</para></listitem>
+ to <varname>systemd.unit=emergency.target</varname> or
+ <varname>rd.systemd.unit=emergency.target</varname>, respectively, and
+ provided for compatibility reasons and to be easier to type.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>rescue</varname></term>
+ <term><varname>rd.rescue</varname></term>
<term><varname>single</varname></term>
<term><varname>s</varname></term>
<term><varname>S</varname></term>
<term><varname>1</varname></term>
<listitem><para>Boot into rescue mode. This is equivalent to
- <varname>systemd.unit=rescue.target</varname> and provided for
- compatibility reasons and to be easier to
- type.</para></listitem>
+ <varname>systemd.unit=rescue.target</varname> or
+ <varname>rd.systemd.unit=rescue.target</varname>, respectively, and
+ provided for compatibility reasons and to be easier to type.</para></listitem>
</varlistentry>
<varlistentry>
"3", SPECIAL_MULTI_USER_TARGET,
"4", SPECIAL_MULTI_USER_TARGET,
"5", SPECIAL_GRAPHICAL_TARGET,
+ NULL
+};
+
+static const char * const rlmap_initrd[] = {
+ "emergency", SPECIAL_EMERGENCY_TARGET,
+ "rescue", SPECIAL_RESCUE_TARGET,
+ NULL
};
const char* runlevel_to_target(const char *word) {
size_t i;
+ const char * const *rlmap_ptr = in_initrd() ? rlmap_initrd
+ : rlmap;
if (!word)
return NULL;
- for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
- if (streq(word, rlmap[i]))
- return rlmap[i+1];
+ if (in_initrd() && (word = startswith(word, "rd.")) == NULL)
+ return NULL;
+
+ for (i = 0; rlmap_ptr[i] != NULL; i += 2)
+ if (streq(word, rlmap_ptr[i]))
+ return rlmap_ptr[i+1];
return NULL;
}
int saved_argc = 0;
char **saved_argv = NULL;
+static int saved_in_initrd = -1;
size_t page_size(void) {
static thread_local size_t pgsz = 0;
}
bool in_initrd(void) {
- static int saved = -1;
struct statfs s;
- if (saved >= 0)
- return saved;
+ if (saved_in_initrd >= 0)
+ return saved_in_initrd;
/* We make two checks here:
*
* emptying when transititioning to the main systemd.
*/
- saved = access("/etc/initrd-release", F_OK) >= 0 &&
- statfs("/", &s) >= 0 &&
- is_temporary_fs(&s);
+ saved_in_initrd = access("/etc/initrd-release", F_OK) >= 0 &&
+ statfs("/", &s) >= 0 &&
+ is_temporary_fs(&s);
- return saved;
+ return saved_in_initrd;
+}
+
+void in_initrd_force(bool value) {
+ saved_in_initrd = value;
}
/* hey glibc, APIs with callbacks without a user pointer are so useless */
int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *path, ...);
bool in_initrd(void);
+void in_initrd_force(bool value);
void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
int (*compar) (const void *, const void *, void *),
if (detect_container() > 0)
log_set_target(LOG_TARGET_CONSOLE);
- } else if (!in_initrd() && !value) {
+ } else if (!value) {
const char *target;
/* SysV compatibility */
#include "proc-cmdline.h"
#include "special.h"
#include "string-util.h"
+#include "util.h"
static int parse_item(const char *key, const char *value) {
assert_se(key);
}
static void test_runlevel_to_target(void) {
+ in_initrd_force(false);
assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
+ assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET));
+ assert_se(streq_ptr(runlevel_to_target("rd.rescue"), NULL));
+
+ in_initrd_force(true);
+ assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
+ assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
+ assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL));
+ assert_se(streq_ptr(runlevel_to_target("3"), NULL));
+ assert_se(streq_ptr(runlevel_to_target("rd.rescue"), SPECIAL_RESCUE_TARGET));
}
int main(void) {