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osf_wait4: switch to kernel_wait4()

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... and sanitize copying rusage to userland

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2017-05-14 23:54:33 -04:00
parent 4c48abe91b
commit 92ebce5ac5
3 changed files with 19 additions and 42 deletions
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2
include/linux/sched/task.h
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@@ -9,6 +9,7 @@
#include <linux/sched.h>
struct task_struct;
struct rusage;
union thread_union;
/*
@@ -74,6 +75,7 @@ extern long _do_fork(unsigned long, unsigned long, unsigned long, int __user *,
extern long do_fork(unsigned long, unsigned long, unsigned long, int __user *, int __user *);
struct task_struct *fork_idle(int);
extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
extern long kernel_wait4(pid_t, int *, int, struct rusage *);
extern void free_task(struct task_struct *tsk);