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-rw-r--r--include/linux/ptrace.h2
-rw-r--r--include/linux/sched.h5
2 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 1a2b0cb55535..67c15653fc23 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -94,7 +94,7 @@ extern void ptrace_notify(int exit_code);
extern void __ptrace_link(struct task_struct *child,
struct task_struct *new_parent);
extern void __ptrace_unlink(struct task_struct *child);
-extern int __ptrace_detach(struct task_struct *tracer, struct task_struct *p);
+extern void exit_ptrace(struct task_struct *tracer);
extern void ptrace_fork(struct task_struct *task, unsigned long clone_flags);
#define PTRACE_MODE_READ 1
#define PTRACE_MODE_ATTACH 2
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9186f8c5d5f2..b47c94e7560b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2061,6 +2061,11 @@ static inline int thread_group_empty(struct task_struct *p)
#define delay_group_leader(p) \
(thread_group_leader(p) && !thread_group_empty(p))
+static inline int task_detached(struct task_struct *p)
+{
+ return p->exit_signal == -1;
+}
+
/*
* Protects ->fs, ->files, ->mm, ->group_info, ->comm, keyring
* subscriptions and synchronises with wait4(). Also used in procfs. Also