exec: include path name of binary we are about to execute when renaming forked off processes

Immediately after forking off a process change the comm name and argv[0]
to "(foobar)" where "foobar" is the basename of the path we are about to
execute.

This should be useful when charting boot progress.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index 94e6ec63cc..738db6c264 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1138,7 +1138,7 @@ int main(int argc, char *argv[]) {
         bool reexecute = false;
         const char *shutdown_verb = NULL;
         dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
-        char systemd[] = "systemd";
+        static char systemd[] = "systemd";
         bool is_reexec = false;
         int j;
         bool loaded_policy = false;
@@ -1169,9 +1169,9 @@ int main(int argc, char *argv[]) {
            called 'init'. After a subsequent reexecution we are then
            called 'systemd'. That is confusing, hence let's call us
            systemd right-away. */
-
         program_invocation_short_name = systemd;
         prctl(PR_SET_NAME, systemd);
+
         saved_argv = argv;
         saved_argc = argc;