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-rw-r--r--include/linux/sched.h51
1 files changed, 27 insertions, 24 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8337e2db0bb2..c05ac5f5aa03 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1163,13 +1163,6 @@ static inline pid_t task_tgid_nr(struct task_struct *tsk)
1163 return tsk->tgid; 1163 return tsk->tgid;
1164} 1164}
1165 1165
1166extern pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns);
1167
1168static inline pid_t task_tgid_vnr(struct task_struct *tsk)
1169{
1170 return pid_vnr(task_tgid(tsk));
1171}
1172
1173/** 1166/**
1174 * pid_alive - check that a task structure is not stale 1167 * pid_alive - check that a task structure is not stale
1175 * @p: Task structure to be checked. 1168 * @p: Task structure to be checked.
@@ -1185,23 +1178,6 @@ static inline int pid_alive(const struct task_struct *p)
1185 return p->pids[PIDTYPE_PID].pid != NULL; 1178 return p->pids[PIDTYPE_PID].pid != NULL;
1186} 1179}
1187 1180
1188static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
1189{
1190 pid_t pid = 0;
1191
1192 rcu_read_lock();
1193 if (pid_alive(tsk))
1194 pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
1195 rcu_read_unlock();
1196
1197 return pid;
1198}
1199
1200static inline pid_t task_ppid_nr(const struct task_struct *tsk)
1201{
1202 return task_ppid_nr_ns(tsk, &init_pid_ns);
1203}
1204
1205static inline pid_t task_pgrp_nr_ns(struct task_struct *tsk, struct pid_namespace *ns) 1181static inline pid_t task_pgrp_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
1206{ 1182{
1207 return __task_pid_nr_ns(tsk, PIDTYPE_PGID, ns); 1183 return __task_pid_nr_ns(tsk, PIDTYPE_PGID, ns);
@@ -1223,6 +1199,33 @@ static inline pid_t task_session_vnr(struct task_struct *tsk)
1223 return __task_pid_nr_ns(tsk, PIDTYPE_SID, NULL); 1199 return __task_pid_nr_ns(tsk, PIDTYPE_SID, NULL);
1224} 1200}
1225 1201
1202static inline pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
1203{
1204 return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, ns);
1205}
1206
1207static inline pid_t task_tgid_vnr(struct task_struct *tsk)
1208{
1209 return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, NULL);
1210}
1211
1212static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
1213{
1214 pid_t pid = 0;
1215
1216 rcu_read_lock();
1217 if (pid_alive(tsk))
1218 pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
1219 rcu_read_unlock();
1220
1221 return pid;
1222}
1223
1224static inline pid_t task_ppid_nr(const struct task_struct *tsk)
1225{
1226 return task_ppid_nr_ns(tsk, &init_pid_ns);
1227}
1228
1226/* Obsolete, do not use: */ 1229/* Obsolete, do not use: */
1227static inline pid_t task_pgrp_nr(struct task_struct *tsk) 1230static inline pid_t task_pgrp_nr(struct task_struct *tsk)
1228{ 1231{