diff options
Diffstat (limited to 'src/core/main.c')
| -rw-r--r-- | src/core/main.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/core/main.c b/src/core/main.c index 7c814f3237..3545fde71d 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -146,6 +146,9 @@ static OOMPolicy arg_default_oom_policy; static CPUSet arg_cpu_affinity; static NUMAPolicy arg_numa_policy; +/* A copy of the original environment block */ +static char **saved_env = NULL; + static int parse_configuration(const struct rlimit *saved_rlimit_nofile, const struct rlimit *saved_rlimit_memlock); @@ -2353,6 +2356,17 @@ static bool early_skip_setup_check(int argc, char *argv[]) { return found_deserialize; /* When we are deserializing, then we are reexecuting, hence avoid the extensive setup */ } +static int save_env(void) { + char **l; + + l = strv_copy(environ); + if (!l) + return -ENOMEM; + + strv_free_and_replace(saved_env, l); + return 0; +} + int main(int argc, char *argv[]) { dual_timestamp initrd_timestamp = DUAL_TIMESTAMP_NULL, userspace_timestamp = DUAL_TIMESTAMP_NULL, kernel_timestamp = DUAL_TIMESTAMP_NULL, @@ -2391,9 +2405,13 @@ int main(int argc, char *argv[]) { /* Save the original command line */ save_argc_argv(argc, argv); - /* Save the original environment as we might need to restore it if we're requested to - * execute another system manager later. */ - save_env(); + /* Save the original environment as we might need to restore it if we're requested to execute another + * system manager later. */ + r = save_env(); + if (r < 0) { + error_message = "Failed to copy environment block"; + goto finish; + } /* Make sure that if the user says "syslog" we actually log to the journal. */ log_set_upgrade_syslog_to_journal(true); @@ -2681,6 +2699,8 @@ finish: arg_serialization = safe_fclose(arg_serialization); fds = fdset_free(fds); + saved_env = strv_free(saved_env); + #if HAVE_VALGRIND_VALGRIND_H /* If we are PID 1 and running under valgrind, then let's exit * here explicitly. valgrind will only generate nice output on |