core: set start job timeout from the kernel commandline (#3112)

Add the boot parameter: systemd.default_timeout_start_sec to allow modification
of the default start job timeout at boot time.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/core/main.c b/src/core/main.c
index 8dfb3928de..75c5ff81f2 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -413,6 +413,15 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
                 target = runlevel_to_target(key);
                 if (target)
                         return free_and_strdup(&arg_default_unit, target);
+
+        } else if (streq(key, "systemd.default_timeout_start_sec") && value) {
+
+                r = parse_sec(value, &arg_default_timeout_start_usec);
+                if (r < 0)
+                        log_warning_errno(r, "Failed to parse default start timeout: %s, ignoring.", value);
+
+                if (arg_default_timeout_start_usec <= 0)
+                        arg_default_timeout_start_usec = USEC_INFINITY;
         }
 
         return 0;