util: make string static

[elogind.git] / src / systemctl.c

diff --git a/src/systemctl.c b/src/systemctl.c
index df4fccc1401d20850f0333762e18db9f248012be..eacc63e94dd2c45c98f2e96b5ea5d2c506968fe7 100644 (file)
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -60,7 +60,7 @@
 static const char *arg_type = NULL;
 static char **arg_property = NULL;
 static bool arg_all = false;
-static bool arg_fail = false;
+static const char *arg_job_mode = "replace";
 static bool arg_user = false;
 static bool arg_global = false;
 static bool arg_immediate = false;
@@ -1384,9 +1384,7 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) {
                 mode =
                         (streq(args[0], "isolate") ||
                          streq(args[0], "rescue")  ||
-                         streq(args[0], "emergency")) ? "isolate" :
-                                             arg_fail ? "fail" :
-                                                        "replace";
+                         streq(args[0], "emergency")) ? "isolate" : arg_job_mode;
 
                 one_name = table[verb_to_action(args[0])];
 
@@ -4198,6 +4196,8 @@ static int systemctl_help(void) {
                "     --full           Don't ellipsize unit names on output\n"
                "     --fail           When queueing a new job, fail if conflicting jobs are\n"
                "                      pending\n"
+               "     --ignore-dependencies\n"
+               "                      When queueing a new job, ignore all its dependencies\n"
                "  -q --quiet          Suppress output\n"
                "     --no-block       Do not wait until operation finished\n"
                "     --no-pager       Do not pipe output into a pager.\n"
@@ -4335,6 +4335,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
 
         enum {
                 ARG_FAIL = 0x100,
+                ARG_IGNORE_DEPENDENCIES,
                 ARG_VERSION,
                 ARG_USER,
                 ARG_SYSTEM,
@@ -4362,6 +4363,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                 { "failed",    no_argument,       NULL, ARG_FAILED    },
                 { "full",      no_argument,       NULL, ARG_FULL      },
                 { "fail",      no_argument,       NULL, ARG_FAIL      },
+                { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
                 { "user",      no_argument,       NULL, ARG_USER      },
                 { "system",    no_argument,       NULL, ARG_SYSTEM    },
                 { "global",    no_argument,       NULL, ARG_GLOBAL    },
@@ -4428,7 +4430,11 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                         break;
 
                 case ARG_FAIL:
-                        arg_fail = true;
+                        arg_job_mode = "fail";
+                        break;
+
+                case ARG_IGNORE_DEPENDENCIES:
+                        arg_job_mode = "ignore-dependencies";
                         break;
 
                 case ARG_USER:
@@ -4662,6 +4668,18 @@ static int parse_time_spec(const char *t, usec_t *_u) {
         return 0;
 }
 
+static bool kexec_loaded(void) {
+       bool loaded = false;
+       char *s;
+
+       if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) {
+               if (s[0] == '1')
+                       loaded = true;
+               free(s);
+       }
+       return loaded;
+}
+
 static int shutdown_parse_argv(int argc, char *argv[]) {
 
         enum {
@@ -4699,7 +4717,10 @@ static int shutdown_parse_argv(int argc, char *argv[]) {
                         break;
 
                 case 'r':
-                        arg_action = ACTION_REBOOT;
+                        if (kexec_loaded())
+                                arg_action = ACTION_KEXEC;
+                        else
+                                arg_action = ACTION_REBOOT;
                         break;
 
                 case 'h':
@@ -4892,7 +4913,10 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_action = ACTION_POWEROFF;
                         return halt_parse_argv(argc, argv);
                 } else if (strstr(program_invocation_short_name, "reboot")) {
-                        arg_action = ACTION_REBOOT;
+                        if (kexec_loaded())
+                                arg_action = ACTION_KEXEC;
+                        else
+                                arg_action = ACTION_REBOOT;
                         return halt_parse_argv(argc, argv);
                 } else if (strstr(program_invocation_short_name, "shutdown")) {
                         arg_action = ACTION_POWEROFF;
@@ -5492,6 +5516,7 @@ int main(int argc, char*argv[]) {
         case ACTION_HALT:
         case ACTION_POWEROFF:
         case ACTION_REBOOT:
+        case ACTION_KEXEC:
                 r = halt_main(bus);
                 break;