diff options
Diffstat (limited to 'include/linux/cgroup.h')
| -rw-r--r-- | include/linux/cgroup.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 8852d370c720..a3997d560114 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -578,6 +578,7 @@ struct cgroup_subsys { void (*css_offline)(struct cgroup *cgrp); void (*css_free)(struct cgroup *cgrp); + int (*allow_attach)(struct cgroup *cgrp, struct cgroup_taskset *tset); int (*can_attach)(struct cgroup *cgrp, struct cgroup_taskset *tset); void (*cancel_attach)(struct cgroup *cgrp, struct cgroup_taskset *tset); void (*attach)(struct cgroup *cgrp, struct cgroup_taskset *tset); @@ -868,6 +869,17 @@ unsigned short css_id(struct cgroup_subsys_state *css); unsigned short css_depth(struct cgroup_subsys_state *css); struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id); +/* + * Default Android check for whether the current process is allowed to move a + * task across cgroups, either because CAP_SYS_NICE is set or because the uid + * of the calling process is the same as the moved task or because we are + * running as root. + * Returns 0 if this is allowed, or -EACCES otherwise. + */ +int subsys_cgroup_allow_attach(struct cgroup *cgrp, + struct cgroup_taskset *tset); + + #else /* !CONFIG_CGROUPS */ static inline int cgroup_init_early(void) { return 0; } |