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Diffstat (limited to 'include/linux/pid.h')
-rw-r--r--include/linux/pid.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pid.h b/include/linux/pid.h
index dfd684ce0787..0cf3bf22e587 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -3,6 +3,7 @@
#define _LINUX_PID_H
#include <linux/rculist.h>
+#include <linux/wait.h>
enum pid_type
{
@@ -63,6 +64,8 @@ struct pid
unsigned int level;
/* lists of tasks that use this pid */
struct hlist_head tasks[PIDTYPE_MAX];
+ /* wait queue for pidfd notifications */
+ wait_queue_head_t wait_pidfd;
struct rcu_head rcu;
struct upid numbers[1];
};
@@ -75,6 +78,8 @@ struct pid_link
struct pid *pid;
};
+extern const struct file_operations pidfd_fops;
+
static inline struct pid *get_pid(struct pid *pid)
{
if (pid)