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authorLennart Poettering <lennart@poettering.net>2013-04-29 21:11:37 -0300
committerLennart Poettering <lennart@poettering.net>2013-04-30 08:36:02 -0300
commit05947befcec9afb83b9ce48d613ff372c63e2ed1 (patch)
tree3c54249a6203ae370340b22dbef3cb0bed1c9042 /src/nspawn
parent0df2d38abfc787f40149072340d79b4f7b682a24 (diff)
units: add an easy-to-use unit template file systemd-nspawn@.service for running containers as system services
Diffstat (limited to 'src/nspawn')
-rw-r--r--src/nspawn/nspawn.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 0a46313636..d772b478fd 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1231,9 +1231,13 @@ int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
- r = parse_argv(argc, argv);
- if (r <= 0)
+ k = parse_argv(argc, argv);
+ if (k < 0)
goto finish;
+ else if (k == 0) {
+ r = EXIT_SUCCESS;
+ goto finish;
+ }
if (arg_directory) {
char *p;
@@ -1321,8 +1325,8 @@ int main(int argc, char *argv[]) {
goto finish;
}
- r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, newcg, false);
- if (r <= 0 && r != -ENOENT) {
+ k = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, newcg, true);
+ if (k <= 0 && k != -ENOENT) {
log_error("Container already running.");
free(newcg);
@@ -1366,6 +1370,8 @@ int main(int argc, char *argv[]) {
goto finish;
}
+ sd_notify(0, "READY=1");
+
assert_se(sigemptyset(&mask) == 0);
sigset_add_many(&mask, SIGCHLD, SIGWINCH, SIGTERM, SIGINT, -1);
assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
@@ -1701,8 +1707,8 @@ int main(int argc, char *argv[]) {
if (saved_attr_valid)
tcsetattr(STDIN_FILENO, TCSANOW, &saved_attr);
- r = wait_for_terminate(pid, &status);
- if (r < 0) {
+ k = wait_for_terminate(pid, &status);
+ if (k < 0) {
r = EXIT_FAILURE;
break;
}