if (e)
return e;
- return controller;
+ return controller;
}
static int join_path_legacy(const char *controller, const char *path, const char *suffix, char **fs) {
* *below* the controllers, without any prefix. */
if (!path && !suffix)
- return -EINVAL;
+ return -EINVAL;
if (!suffix)
t = strdup(path);
r = join_path_unified(path, suffix, fs);
else
r = join_path_legacy(controller, path, suffix, fs);
- if (r < 0)
- return r;
+
+ if (r < 0)
+ return r;
path_kill_slashes(*fs);
return 0;
- }
+}
static int controller_is_accessible(const char *controller) {
int unified;
snprintf(c, sizeof(c), PID_FMT"\n", pid);
- return write_string_file_no_create(fs, c);
+ return write_string_file(fs, c, 0);
}
int cg_attach_fallback(const char *controller, const char *path, pid_t pid) {
}
fs = procfs_file_alloca(pid, "cgroup");
+ log_debug_elogind("Searching for PID %u in \"%s\" (controller \"%s\")",
+ pid, fs, controller);
f = fopen(fs, "re");
if (!f)
return errno == ENOENT ? -ESRCH : -errno;
continue;
}
+ log_debug_elogind("Found %s:%s", line, e+1);
p = strdup(e + 1);
if (!p)
return -ENOMEM;
sc = strstrip(contents);
if (isempty(sc)) {
- r = write_string_file_no_create(fs, agent);
+ r = write_string_file(fs, agent, 0);
if (r < 0)
return r;
} else if (!path_equal(sc, agent))
sc = strstrip(contents);
if (streq(sc, "0")) {
- r = write_string_file_no_create(fs, "1");
+ r = write_string_file(fs, "1", 0);
if (r < 0)
return r;
if (r < 0)
return r;
- r = write_string_file_no_create(fs, "0");
+ r = write_string_file(fs, "0", 0);
if (r < 0)
return r;
if (r < 0)
return r;
- r = write_string_file_no_create(fs, "");
+ r = write_string_file(fs, "", 0);
if (r < 0)
return r;
* via the "cgroup.populated" attribute. */
r = cg_get_path(controller, path, "cgroup.populated", &populated);
- if (r < 0)
- return r;
+ if (r < 0)
+ return r;
r = read_one_line_file(populated, &t);
if (r == -ENOENT)
return streq(t, "0");
} else {
- _cleanup_closedir_ DIR *d = NULL;
- char *fn;
+ _cleanup_closedir_ DIR *d = NULL;
+ char *fn;
r = cg_is_empty(controller, path);
- if (r <= 0)
- return r;
+ if (r <= 0)
+ return r;
- r = cg_enumerate_subgroups(controller, path, &d);
- if (r == -ENOENT)
- return 1;
- if (r < 0)
+ r = cg_enumerate_subgroups(controller, path, &d);
+ if (r == -ENOENT)
+ return 1;
+ if (r < 0)
return r;
- while ((r = cg_read_subgroup(d, &fn)) > 0) {
- _cleanup_free_ char *p = NULL;
+ while ((r = cg_read_subgroup(d, &fn)) > 0) {
+ _cleanup_free_ char *p = NULL;
- p = strjoin(path, "/", fn, NULL);
- free(fn);
- if (!p)
- return -ENOMEM;
+ p = strjoin(path, "/", fn, NULL);
+ free(fn);
+ if (!p)
+ return -ENOMEM;
r = cg_is_empty_recursive(controller, p);
- if (r <= 0)
+ if (r <= 0)
+ return r;
+ }
+ if (r < 0)
return r;
- }
- if (r < 0)
- return r;
return true;
}
if (memcmp(p, n, l) != 0)
continue;
- need_prefix = true;
+ need_prefix = true;
break;
}
}
if (need_prefix)
return strappend("_", p);
- return strdup(p);
+ return strdup(p);
}
char *cg_unescape(const char *p) {
if (r < 0)
return r;
- return write_string_file_no_create(p, value);
+ return write_string_file(p, value, 0);
}
/// UNNEEDED by elogind
else if (F_TYPE_EQUAL(fs.f_type, TMPFS_MAGIC))
#else
if (F_TYPE_EQUAL(fs.f_type, TMPFS_MAGIC))
-#endif // elogind
+#endif // 0
unified_cache = false;
else
return -ENOEXEC;
bool cg_is_legacy_wanted(void) {
return !cg_is_unified_wanted();
}
+#else
+bool cg_is_legacy_wanted(void) {
+ return true;
+}
#endif // 0
static const char *cgroup_controller_table[_CGROUP_CONTROLLER_MAX] = {