diff options
Diffstat (limited to 'src/core/main.c')
| -rw-r--r-- | src/core/main.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/src/core/main.c b/src/core/main.c index 99ef723fcb..e2088574c0 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -1,5 +1,3 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - /*** This file is part of systemd. @@ -174,19 +172,15 @@ noreturn static void crash(int sig) { if (pid < 0) log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig)); else if (pid == 0) { - struct rlimit rl = { - .rlim_cur = RLIM_INFINITY, - .rlim_max = RLIM_INFINITY, - }; - /* Enable default signal handler for core dump */ + sa = (struct sigaction) { .sa_handler = SIG_DFL, }; (void) sigaction(sig, &sa, NULL); - /* Don't limit the core dump size */ - (void) setrlimit(RLIMIT_CORE, &rl); + /* Don't limit the coredump size */ + (void) setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY)); /* Just to be sure... */ (void) chdir("/"); @@ -1424,8 +1418,14 @@ int main(int argc, char *argv[]) { * saving time change. All kernel local time concepts will be treated * as UTC that way. */ - clock_reset_timewarp(); + (void) clock_reset_timewarp(); } + + r = clock_apply_epoch(); + if (r < 0) + log_error_errno(r, "Current system time is before build time, but cannot correct: %m"); + else if (r > 0) + log_info("System time before build time, advancing clock."); } /* Set the default for later on, but don't actually @@ -1462,6 +1462,17 @@ int main(int argc, char *argv[]) { kernel_timestamp = DUAL_TIMESTAMP_NULL; } + if (getpid() == 1) { + /* Don't limit the core dump size, so that coredump handlers such as systemd-coredump (which honour the limit) + * will process core dumps for system services by default. */ + (void) setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY)); + + /* But at the same time, turn off the core_pattern logic by default, so that no coredumps are stored + * until the systemd-coredump tool is enabled via sysctl. */ + if (!skip_setup) + (void) write_string_file("/proc/sys/kernel/core_pattern", "|/bin/false", 0); + } + /* Initialize default unit */ r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET); if (r < 0) { |