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authorEvgeny Vereshchagin <evvers@ya.ru>2015-11-03 14:45:56 +0300
committerEvgeny Vereshchagin <evvers@ya.ru>2015-11-03 14:47:39 +0300
commit7dcc56715d150ff7e8b5459877879430cff790f7 (patch)
tree3c7a2f741d492b77d1c0b266875c901a15d3b70b /src/debug-generator/debug-generator.c
parente2c9a13136cdf71b97a4e26b285ca2c3ba96db66 (diff)
debug-generator: respect kernel parameters for default unit setting
Diffstat (limited to 'src/debug-generator/debug-generator.c')
-rw-r--r--src/debug-generator/debug-generator.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/src/debug-generator/debug-generator.c b/src/debug-generator/debug-generator.c
index e16c3b9453..413cfd0388 100644
--- a/src/debug-generator/debug-generator.c
+++ b/src/debug-generator/debug-generator.c
@@ -23,11 +23,13 @@
#include "mkdir.h"
#include "parse-util.h"
#include "proc-cmdline.h"
+#include "special.h"
#include "string-util.h"
#include "strv.h"
#include "unit-name.h"
#include "util.h"
+static char *arg_default_unit = NULL;
static const char *arg_dest = "/tmp";
static char **arg_mask = NULL;
static char **arg_wants = NULL;
@@ -80,6 +82,24 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
arg_debug_shell = r;
} else
arg_debug_shell = true;
+ } else if (streq(key, "systemd.unit")) {
+
+ if (!value)
+ log_error("Missing argument for systemd.unit= kernel command line parameter.");
+ else {
+ r = free_and_strdup(&arg_default_unit, value);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set default unit %s: %m", value);
+ }
+ } else if (!value) {
+ const char *target;
+
+ target = runlevel_to_target(key);
+ if (target) {
+ r = free_and_strdup(&arg_default_unit, target);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set default unit %s: %m", target);
+ }
}
return 0;
@@ -118,7 +138,7 @@ static int generate_wants_symlinks(void) {
STRV_FOREACH(u, arg_wants) {
_cleanup_free_ char *p = NULL, *f = NULL;
- p = strjoin(arg_dest, "/default.target.wants/", *u, NULL);
+ p = strjoin(arg_dest, "/", arg_default_unit, ".wants/", *u, NULL);
if (!p)
return log_oom();
@@ -154,6 +174,12 @@ int main(int argc, char *argv[]) {
umask(0022);
+ r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET);
+ if (r < 0) {
+ log_error_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET);
+ goto finish;
+ }
+
r = parse_proc_cmdline(parse_proc_cmdline_item);
if (r < 0)
log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");