int cg_kill_recursive(const char *controller, const char *path, int sig, bool sigcont, bool ignore_self, bool rem, Set *s) {
_cleanup_set_free_ Set *allocated_set = NULL;
_cleanup_closedir_ DIR *d = NULL;
int r, ret = 0;
char *fn;
assert(path);
assert(sig >= 0);
if (!s) {
s = allocated_set = set_new(NULL);
if (!s)
return -ENOMEM;
}
ret = cg_kill(controller, path, sig, sigcont, ignore_self, s);
r = cg_enumerate_subgroups(controller, path, &d);
if (r < 0) {
if (ret >= 0 && r != -ENOENT)
return r;
return ret;
}
while ((r = cg_read_subgroup(d, &fn)) > 0) {
_cleanup_free_ char *p = NULL;
p = strjoin(path, "/", fn, NULL);
free(fn);
if (!p)
return -ENOMEM;
r = cg_kill_recursive(controller, p, sig, sigcont, ignore_self, rem, s);
if (ret >= 0 && r != 0)
ret = r;
}
if (ret >= 0 && r < 0)
ret = r;
if (rem) {
r = cg_rmdir(controller, path);
if (r < 0 && ret >= 0 && r != -ENOENT && r != -EBUSY)
return r;
}
return ret;
}
int cg_kill_recursive(const char *controller, const char *path, int sig, bool sigcont, bool ignore_self, bool rem, Set *s) {
int r, ret = 0;
DIR *d = NULL;
char *fn;
Set *allocated_set = NULL;
assert(path);
assert(controller);
assert(sig >= 0);
if (!s)
if (!(s = allocated_set = set_new(trivial_hash_func, trivial_compare_func)))
return -ENOMEM;
ret = cg_kill(controller, path, sig, sigcont, ignore_self, s);
if ((r = cg_enumerate_subgroups(controller, path, &d)) < 0) {
if (ret >= 0 && r != -ENOENT)
ret = r;
goto finish;
}
while ((r = cg_read_subgroup(d, &fn)) > 0) {
char *p = NULL;
r = asprintf(&p, "%s/%s", path, fn);
free(fn);
if (r < 0) {
if (ret >= 0)
ret = -ENOMEM;
goto finish;
}
r = cg_kill_recursive(controller, p, sig, sigcont, ignore_self, rem, s);
free(p);
if (r != 0 && ret >= 0)
ret = r;
}
if (r < 0 && ret >= 0)
ret = r;
if (rem)
if ((r = cg_rmdir(controller, path, true)) < 0) {
if (ret >= 0 &&
r != -ENOENT &&
r != -EBUSY)
ret = r;
}
finish:
if (d)
closedir(d);
if (allocated_set)
set_free(allocated_set);
return ret;
}
