summaryrefslogtreecommitdiff
path: root/src/libsystemd/sd-id128/sd-id128.c
diff options
context:
space:
mode:
authorLuke Shumaker <lukeshu@sbcglobal.net>2016-12-17 00:42:49 -0500
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-12-17 00:42:49 -0500
commitccef261c077d31dce02aa92e519b23b3a2a58303 (patch)
tree582fafc98c76e98e912f453fb55ca57f29273d57 /src/libsystemd/sd-id128/sd-id128.c
parent5d4922bba91c6d60b3b9f38fb29fda0f6ba8338d (diff)
parent5fb2a20a29c2cc0494d5a31e175a8e3ff0b2d3e2 (diff)
Merge tag 'systemd/v232-4.parabola1' into systemd/parabola
Diffstat (limited to 'src/libsystemd/sd-id128/sd-id128.c')
-rw-r--r--src/libsystemd/sd-id128/sd-id128.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/libsystemd/sd-id128/sd-id128.c b/src/libsystemd/sd-id128/sd-id128.c
index 9f47d04e61..d4450c70a0 100644
--- a/src/libsystemd/sd-id128/sd-id128.c
+++ b/src/libsystemd/sd-id128/sd-id128.c
@@ -129,6 +129,28 @@ _public_ int sd_id128_get_boot(sd_id128_t *ret) {
return 0;
}
+_public_ int sd_id128_get_invocation(sd_id128_t *ret) {
+ static thread_local sd_id128_t saved_invocation_id = {};
+ int r;
+
+ assert_return(ret, -EINVAL);
+
+ if (sd_id128_is_null(saved_invocation_id)) {
+ const char *e;
+
+ e = secure_getenv("INVOCATION_ID");
+ if (!e)
+ return -ENXIO;
+
+ r = sd_id128_from_string(e, &saved_invocation_id);
+ if (r < 0)
+ return r;
+ }
+
+ *ret = saved_invocation_id;
+ return 0;
+}
+
static sd_id128_t make_v4_uuid(sd_id128_t id) {
/* Stolen from generate_random_uuid() of drivers/char/random.c
* in the kernel sources */