along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <dirent.h>
#include <errno.h>
-#include <unistd.h>
+#include <ftw.h>
#include <signal.h>
-#include <string.h>
#include <stdlib.h>
-#include <dirent.h>
+#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <ftw.h>
+#include <unistd.h>
-#include "set.h"
-#include "macro.h"
-#include "util.h"
-#include "formats-util.h"
-#include "process-util.h"
-#include "path-util.h"
-// #include "unit-name.h"
+#include "alloc-util.h"
+#include "cgroup-util.h"
+#include "dirent-util.h"
+#include "extract-word.h"
+#include "fd-util.h"
#include "fileio.h"
-// #include "special.h"
-#include "mkdir.h"
+#include "formats-util.h"
+#include "fs-util.h"
#include "login-util.h"
-#include "cgroup-util.h"
+#include "macro.h"
+#include "mkdir.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "proc-cmdline.h"
+#include "process-util.h"
+#include "set.h"
+//#include "special.h"
+#include "stat-util.h"
+#include "string-table.h"
+#include "string-util.h"
+#include "unit-name.h"
+#include "user-util.h"
+#include "util.h"
int cg_enumerate_processes(const char *controller, const char *path, FILE **_f) {
_cleanup_free_ char *fs = NULL;
if (feof(f))
return 0;
- return errno ? -errno : -EIO;
+ return errno > 0 ? -errno : -EIO;
}
if (ul <= 0)
/* We don't support named hierarchies if we are using
* the unified hierarchy. */
- if (streq(controller, ELOGIND_CGROUP_CONTROLLER))
+ if (streq(controller, SYSTEMD_CGROUP_CONTROLLER))
return 0;
if (startswith(controller, "name="))
if (nftw(fs, trim_cb, 64, FTW_DEPTH|FTW_MOUNT|FTW_PHYS) != 0) {
if (errno == ENOENT)
r = 0;
- else if (errno != 0)
+ else if (errno > 0)
r = -errno;
else
r = -EIO;
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) {
return r;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int cg_set_group_access(
const char *controller,
const char *path,
if (!cg_controller_is_valid(controller))
return -EINVAL;
} else
- controller = ELOGIND_CGROUP_CONTROLLER;
+ controller = SYSTEMD_CGROUP_CONTROLLER;
cs = strlen(controller);
}
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;
if (r < 0)
return r;
- return cg_get_path(c ? c : ELOGIND_CGROUP_CONTROLLER, p ? p : "/", NULL, result);
+ return cg_get_path(c ?: SYSTEMD_CGROUP_CONTROLLER, p ?: "/", NULL, result);
}
int cg_get_root_path(char **path) {
-/// elogind does not support systemd scopes and slices
-#if 0
+#if 0 /// elogind does not support systemd scopes and slices
char *p, *e;
int r;
assert(path);
- r = cg_pid_get_path(ELOGIND_CGROUP_CONTROLLER, 1, &p);
+ r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, 1, &p);
if (r < 0)
return r;
return 0;
#else
assert(path);
- return cg_pid_get_path(ELOGIND_CGROUP_CONTROLLER, 1, path);
+ return cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, 1, path);
#endif // 0
}
assert(pid >= 0);
assert(cgroup);
- r = cg_pid_get_path(ELOGIND_CGROUP_CONTROLLER, pid, &raw);
+ r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &raw);
if (r < 0)
return r;
return 0;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int cg_path_decode_unit(const char *cgroup, char **unit){
char *c, *s;
size_t n;
return cg_path_get_session(cgroup, session);
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int cg_path_get_owner_uid(const char *path, uid_t *uid) {
_cleanup_free_ char *slice = NULL;
char *start, *end;
return true;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int cg_slice_to_path(const char *unit, char **ret) {
_cleanup_free_ char *p = NULL, *s = NULL, *e = NULL;
const char *dash;
if (r < 0)
return r;
- return write_string_file_no_create(p, value);
+ return write_string_file(p, value, 0);
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int cg_get_attribute(const char *controller, const char *path, const char *attribute, char **ret) {
_cleanup_free_ char *p = NULL;
int r;
* in all others */
/* First create the cgroup in our own hierarchy. */
- r = cg_create(ELOGIND_CGROUP_CONTROLLER, path);
+ r = cg_create(SYSTEMD_CGROUP_CONTROLLER, path);
if (r < 0)
return r;
CGroupController c;
int r, unified;
- r = cg_attach(ELOGIND_CGROUP_CONTROLLER, path, pid);
+ r = cg_attach(SYSTEMD_CGROUP_CONTROLLER, path, pid);
if (r < 0)
return r;
int r = 0, unified;
if (!path_equal(from, to)) {
- r = cg_migrate_recursive(ELOGIND_CGROUP_CONTROLLER, from, ELOGIND_CGROUP_CONTROLLER, to, false, true);
+ r = cg_migrate_recursive(SYSTEMD_CGROUP_CONTROLLER, from, SYSTEMD_CGROUP_CONTROLLER, to, false, true);
if (r < 0)
return r;
}
if (!p)
p = to;
- (void) cg_migrate_recursive_fallback(ELOGIND_CGROUP_CONTROLLER, to, cgroup_controller_to_string(c), p, false, false);
+ (void) cg_migrate_recursive_fallback(SYSTEMD_CGROUP_CONTROLLER, to, cgroup_controller_to_string(c), p, false, false);
}
return 0;
CGroupController c;
int r, unified;
- r = cg_trim(ELOGIND_CGROUP_CONTROLLER, path, delete_root);
+ r = cg_trim(SYSTEMD_CGROUP_CONTROLLER, path, delete_root);
if (r < 0)
return r;
if (r < 0)
return r;
- r = cg_get_path(ELOGIND_CGROUP_CONTROLLER, root, "cgroup.controllers", &path);
+ r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, root, "cgroup.controllers", &path);
if (r < 0)
return r;
mask |= CGROUP_CONTROLLER_TO_MASK(v);
}
- /* Currently, we only support the memory controller in
- * the unified hierarchy, mask everything else off. */
- mask &= CGROUP_MASK_MEMORY;
+ /* Currently, we only support the memory and pids
+ * controller in the unified hierarchy, mask
+ * everything else off. */
+ mask &= CGROUP_MASK_MEMORY | CGROUP_MASK_PIDS;
} else {
CGroupController c;
return 0;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
int cg_kernel_controllers(Set *controllers) {
_cleanup_fclose_ FILE *f = NULL;
char buf[LINE_MAX];
if (feof(f))
break;
- if (ferror(f) && errno != 0)
+ if (ferror(f) && errno > 0)
return -errno;
return -EBADMSG;
return unified_cache;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
void cg_unified_flush(void) {
unified_cache = -1;
}
if (!unified) /* on the legacy hiearchy there's no joining of controllers defined */
return 0;
- r = cg_get_path(ELOGIND_CGROUP_CONTROLLER, p, "cgroup.subtree_control", &fs);
+ r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, p, "cgroup.subtree_control", &fs);
if (r < 0)
return r;
}
#endif // 0
+#if 0 /// UNNEEDED by elogind
+int cg_cpu_shares_parse(const char *s, uint64_t *ret) {
+ uint64_t u;
+ int r;
+
+ if (isempty(s)) {
+ *ret = CGROUP_CPU_SHARES_INVALID;
+ return 0;
+ }
+
+ r = safe_atou64(s, &u);
+ if (r < 0)
+ return r;
+
+ if (u < CGROUP_CPU_SHARES_MIN || u > CGROUP_CPU_SHARES_MAX)
+ return -ERANGE;
+
+ *ret = u;
+ return 0;
+}
+
+int cg_blkio_weight_parse(const char *s, uint64_t *ret) {
+ uint64_t u;
+ int r;
+
+ if (isempty(s)) {
+ *ret = CGROUP_BLKIO_WEIGHT_INVALID;
+ return 0;
+ }
+
+ r = safe_atou64(s, &u);
+ if (r < 0)
+ return r;
+
+ if (u < CGROUP_BLKIO_WEIGHT_MIN || u > CGROUP_BLKIO_WEIGHT_MAX)
+ return -ERANGE;
+
+ *ret = u;
+ return 0;
+}
+#endif // 0
+
static const char *cgroup_controller_table[_CGROUP_CONTROLLER_MAX] = {
[CGROUP_CONTROLLER_CPU] = "cpu",
[CGROUP_CONTROLLER_CPUACCT] = "cpuacct",
[CGROUP_CONTROLLER_BLKIO] = "blkio",
[CGROUP_CONTROLLER_MEMORY] = "memory",
- [CGROUP_CONTROLLER_DEVICE] = "devices",
+ [CGROUP_CONTROLLER_DEVICES] = "devices",
+ [CGROUP_CONTROLLER_PIDS] = "pids",
+ [CGROUP_CONTROLLER_NET_CLS] = "net_cls",
};
DEFINE_STRING_TABLE_LOOKUP(cgroup_controller, CGroupController);