X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fmain.c;h=789976108a7f16de8448581da9d38ef56310a16d;hp=aa28cc66517d8a9d59580991d9c85323423a0aec;hb=b3680f49e20c51e31c8dea84a11207df7b8f0100;hpb=7f602784de4fd378120e8ebfe6d830862b9cae03 diff --git a/src/core/main.c b/src/core/main.c index aa28cc665..789976108 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -107,13 +107,13 @@ _noreturn_ static void crash(int sig) { if (!arg_dump_core) log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); else { - struct sigaction sa; + struct sigaction sa = { + .sa_handler = nop_handler, + .sa_flags = SA_NOCLDSTOP|SA_RESTART, + }; pid_t pid; /* We want to wait for the core process, hence let's enable SIGCHLD */ - zero(sa); - sa.sa_handler = nop_handler; - sa.sa_flags = SA_NOCLDSTOP|SA_RESTART; assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); pid = fork(); @@ -121,7 +121,7 @@ _noreturn_ static void crash(int sig) { log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); else if (pid == 0) { - struct rlimit rl; + struct rlimit rl = {}; /* Enable default signal handler for core dump */ zero(sa); @@ -129,7 +129,6 @@ _noreturn_ static void crash(int sig) { assert_se(sigaction(sig, &sa, NULL) == 0); /* Don't limit the core dump size */ - zero(rl); rl.rlim_cur = RLIM_INFINITY; rl.rlim_max = RLIM_INFINITY; setrlimit(RLIMIT_CORE, &rl); @@ -162,16 +161,16 @@ _noreturn_ static void crash(int sig) { chvt(arg_crash_chvt); if (arg_crash_shell) { - struct sigaction sa; + struct sigaction sa = { + .sa_handler = SIG_IGN, + .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART, + }; pid_t pid; log_info("Executing crash shell in 10s..."); sleep(10); /* Let the kernel reap children for us */ - zero(sa); - sa.sa_handler = SIG_IGN; - sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART; assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); pid = fork(); @@ -193,12 +192,10 @@ _noreturn_ static void crash(int sig) { } static void install_crash_handler(void) { - struct sigaction sa; - - zero(sa); - - sa.sa_handler = crash; - sa.sa_flags = SA_NODEFER; + struct sigaction sa = { + .sa_handler = crash, + .sa_flags = SA_NODEFER, + }; sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); } @@ -707,7 +704,7 @@ static int parse_config_file(void) { { NULL, NULL, NULL, 0, NULL } }; - FILE *f; + FILE _cleanup_fclose_ *f; const char *fn; int r; @@ -725,8 +722,6 @@ static int parse_config_file(void) { if (r < 0) log_warning("Failed to parse configuration file: %s", strerror(-r)); - fclose(f); - return 0; } @@ -1093,7 +1088,7 @@ static int version(void) { return 0; } -static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool serialize_jobs) { +static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) { FILE *f = NULL; FDSet *fds = NULL; int r; @@ -1118,7 +1113,7 @@ static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool serialize goto fail; } - r = manager_serialize(m, f, fds, serialize_jobs); + r = manager_serialize(m, f, fds, switching_root); if (r < 0) { log_error("Failed to serialize state: %s", strerror(-r)); goto fail; @@ -1752,7 +1747,7 @@ int main(int argc, char *argv[]) { after_startup = now(CLOCK_MONOTONIC); log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, "Loaded units and determined initial transaction in %s.", - format_timespan(timespan, sizeof(timespan), after_startup - before_startup)); + format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 0)); if (arg_action == ACTION_TEST) { printf("-> By jobs:\n"); @@ -1785,7 +1780,7 @@ int main(int argc, char *argv[]) { case MANAGER_REEXECUTE: - if (prepare_reexecute(m, &serialization, &fds, true) < 0) + if (prepare_reexecute(m, &serialization, &fds, false) < 0) goto finish; reexecute = true; @@ -1799,7 +1794,7 @@ int main(int argc, char *argv[]) { m->switch_root = m->switch_root_init = NULL; if (!switch_root_init) - if (prepare_reexecute(m, &serialization, &fds, false) < 0) + if (prepare_reexecute(m, &serialization, &fds, true) < 0) goto finish; reexecute = true;