core: general cgroup rework

[elogind.git] / src / core / main.c

diff --git a/src/core/main.c b/src/core/main.c
index bf1e3e8ffae19f8618adc740cc365ec1dab813bf..3c6fccf527d4adf7f0875b1a75cebce61182efac 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -88,12 +88,12 @@ static int arg_crash_chvt = -1;
 static bool arg_confirm_spawn = false;
 static bool arg_show_status = true;
 static bool arg_switched_root = false;
-static char **arg_default_controllers = NULL;
 static char ***arg_join_controllers = NULL;
 static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
 static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
 static usec_t arg_runtime_watchdog = 0;
 static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
+static char **arg_default_environment = NULL;
 static struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {};
 static uint64_t arg_capability_bounding_set_drop = 0;
 static nsec_t arg_timer_slack_nsec = (nsec_t) -1;
@@ -105,7 +105,10 @@ static void nop_handler(int sig) {
 
 _noreturn_ static void crash(int sig) {
 
-        if (!arg_dump_core)
+        if (getpid() != 1)
+                /* Pass this on immediately, if this is not PID 1 */
+                raise(sig);
+        else if (!arg_dump_core)
                 log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
         else {
                 struct sigaction sa = {
@@ -115,7 +118,7 @@ _noreturn_ static void crash(int sig) {
                 pid_t pid;
 
                 /* We want to wait for the core process, hence let's enable SIGCHLD */
-                assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
+                sigaction(SIGCHLD, &sa, NULL);
 
                 pid = fork();
                 if (pid < 0)
@@ -127,7 +130,7 @@ _noreturn_ static void crash(int sig) {
                         /* Enable default signal handler for core dump */
                         zero(sa);
                         sa.sa_handler = SIG_DFL;
-                        assert_se(sigaction(sig, &sa, NULL) == 0);
+                        sigaction(sig, &sa, NULL);
 
                         /* Don't limit the core dump size */
                         rl.rlim_cur = RLIM_INFINITY;
@@ -135,7 +138,7 @@ _noreturn_ static void crash(int sig) {
                         setrlimit(RLIMIT_CORE, &rl);
 
                         /* Just to be sure... */
-                        assert_se(chdir("/") == 0);
+                        chdir("/");
 
                         /* Raise the signal again */
                         raise(sig);
@@ -410,6 +413,8 @@ static int parse_proc_cmdline_word(const char *word) {
 
         } else if (streq(word, "quiet"))
                 arg_show_status = false;
+        else if (streq(word, "debug"))
+                log_set_max_level(LOG_DEBUG);
         else if (!in_initrd()) {
                 unsigned i;
 
@@ -636,7 +641,6 @@ static int parse_config_file(void) {
                 { "Manager", "ShowStatus",            config_parse_bool,         0, &arg_show_status         },
                 { "Manager", "CrashChVT",             config_parse_int,          0, &arg_crash_chvt          },
                 { "Manager", "CPUAffinity",           config_parse_cpu_affinity2, 0, NULL                    },
-                { "Manager", "DefaultControllers",    config_parse_strv,         0, &arg_default_controllers },
                 { "Manager", "DefaultStandardOutput", config_parse_output,       0, &arg_default_std_output  },
                 { "Manager", "DefaultStandardError",  config_parse_output,       0, &arg_default_std_error   },
                 { "Manager", "JoinControllers",       config_parse_join_controllers, 0, &arg_join_controllers },
@@ -644,6 +648,7 @@ static int parse_config_file(void) {
                 { "Manager", "ShutdownWatchdogSec",   config_parse_sec,          0, &arg_shutdown_watchdog   },
                 { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
                 { "Manager", "TimerSlackNSec",        config_parse_nsec,         0, &arg_timer_slack_nsec    },
+                { "Manager", "DefaultEnvironment",    config_parse_environ,      0, &arg_default_environment },
                 { "Manager", "DefaultLimitCPU",       config_parse_limit,        0, &arg_default_rlimit[RLIMIT_CPU]},
                 { "Manager", "DefaultLimitFSIZE",     config_parse_limit,        0, &arg_default_rlimit[RLIMIT_FSIZE]},
                 { "Manager", "DefaultLimitDATA",      config_parse_limit,        0, &arg_default_rlimit[RLIMIT_DATA]},
@@ -1403,7 +1408,6 @@ int main(int argc, char *argv[]) {
         /* Reset all signal handlers. */
         assert_se(reset_all_signal_handlers() == 0);
 
-        /* If we are init, we can block sigkill. Yay. */
         ignore_signals(SIGNALS_IGNORE, -1);
 
         if (parse_config_file() < 0)
@@ -1626,8 +1630,8 @@ int main(int argc, char *argv[]) {
 
         manager_set_default_rlimits(m, arg_default_rlimit);
 
-        if (arg_default_controllers)
-                manager_set_default_controllers(m, arg_default_controllers);
+        if (arg_default_environment)
+                manager_set_default_environment(m, arg_default_environment);
 
         manager_set_show_status(m, arg_show_status);
 
@@ -1798,7 +1802,6 @@ finish:
                 free(arg_default_rlimit[j]);
 
         free(arg_default_unit);
-        strv_free(arg_default_controllers);
         free_join_controllers();
 
         dbus_shutdown();