X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fmain.c;h=3c6fccf527d4adf7f0875b1a75cebce61182efac;hp=bf1e3e8ffae19f8618adc740cc365ec1dab813bf;hb=4ad490007b70e6ac18d3cb04fa2ed92eba1451fa;hpb=4f8d551ff0177df87fae6cb970471186a422d064 diff --git a/src/core/main.c b/src/core/main.c index bf1e3e8ff..3c6fccf52 100644 --- 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();