diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/api.c | 74 | ||||
| -rw-r--r-- | src/libcgroup.map | 3 |
2 files changed, 77 insertions, 0 deletions
@@ -2541,6 +2541,80 @@ int cgroup_get_task_begin(char *cgroup, char *controller, void **handle, return ret; } + +int cgroup_get_controller_end(void **handle) +{ + int *pos = (int *) *handle; + + if (!cgroup_initialized) + return ECGROUPNOTINITIALIZED; + + if (!pos) + return ECGINVAL; + + free(pos); + *handle = NULL; + + return 0; +} + +int cgroup_get_controller_next(void **handle, struct cgroup_mount_point *info) +{ + int *pos = (int *) *handle; + int ret = 0; + + if (!cgroup_initialized) + return ECGROUPNOTINITIALIZED; + + if (!pos) + return ECGINVAL; + + if (!info) + return ECGINVAL; + + pthread_rwlock_rdlock(&cg_mount_table_lock); + + if (cg_mount_table[*pos].name[0] == '\0') { + ret = ECGEOF; + goto out_unlock; + } + + strncpy(info->name, cg_mount_table[*pos].name, FILENAME_MAX); + + strncpy(info->path, cg_mount_table[*pos].path, FILENAME_MAX); + + (*pos)++; + *handle = pos; + +out_unlock: + pthread_rwlock_unlock(&cg_mount_table_lock); + return ret; +} + +int cgroup_get_controller_begin(void **handle, struct cgroup_mount_point *info) +{ + int *pos; + + if (!cgroup_initialized) + return ECGROUPNOTINITIALIZED; + + if (!info) + return ECGINVAL; + + pos = malloc(sizeof(int)); + + if (!pos) { + last_errno = errno; + return ECGOTHER; + } + + *pos = 0; + + *handle = pos; + + return cgroup_get_controller_next(handle, info); +} + /** * Get process data (euid and egid) from /proc/<pid>/status file. * @param pid: The process id diff --git a/src/libcgroup.map b/src/libcgroup.map index 0748bb3..adcf905 100644 --- a/src/libcgroup.map +++ b/src/libcgroup.map @@ -63,6 +63,9 @@ global: cgroup_read_stats_next; cgroup_read_stats_end; cgroup_walk_tree_set_flags; + cgroup_get_controller_end; + cgroup_get_controller_next; + cgroup_get_controller_begin; cgroup_get_controller; cgroup_get_uid_gid_from_procfs; } CGROUP_0.33; |