cgroup: when referencing cgroup controller trees allow omission of the path

[elogind.git] / src / cgls / cgls.c

diff --git a/src/cgls/cgls.c b/src/cgls/cgls.c
index 155c5cca7c849634ce4d6538b1d8c26714303e52..c689b5c471c47d1be64f48d080e0c53f4eaccd8a 100644 (file)
--- a/src/cgls/cgls.c
+++ b/src/cgls/cgls.c
@@ -34,6 +34,7 @@
 #include "pager.h"
 #include "build.h"
 #include "output-mode.h"
+#include "fileio.h"
 
 static bool arg_no_pager = false;
 static bool arg_kernel_threads = false;
@@ -155,7 +156,9 @@ int main(int argc, char *argv[]) {
 
                 for (i = optind; i < argc; i++) {
                         int q;
-                        printf("%s:\n", argv[i]);
+
+                        fprintf(stdout, "%s:\n", argv[i]);
+                        fflush(stdout);
 
                         if (arg_machine)
                                 root = strjoin("machine/", arg_machine, "/", argv[i], NULL);
@@ -184,9 +187,11 @@ int main(int argc, char *argv[]) {
                         r = show_cgroup_by_path(p, NULL, 0,
                                                 arg_kernel_threads, output_flags);
                 } else {
-                        if (arg_machine)
-                                r = cg_get_machine_path(arg_machine, &root);
-                        else
+                        if (arg_machine) {
+                                char *m;
+                                m = strappenda("/run/systemd/machines/", arg_machine);
+                                r = parse_env_file(m, NEWLINE, "CGROUP", &root, NULL);
+                        } else
                                 r = cg_get_root_path(&root);
                         if (r < 0) {
                                 log_error("Failed to get %s path: %s",