From: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
Date: Mon, 4 May 2009 01:17:44 -0700
Subject: [PATCH 6/7] [PATCH] Define do_fork_with_pids()
do_fork_with_pids() is same as do_fork(), except that it takes an
additional, target_pids, parameter. This parameter, currently unused,
specifies the target_pids of the process in each of its pid namespaces.
Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
---
include/linux/sched.h | 1 +
kernel/fork.c | 17 ++++++++++++++---
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b4c38bc..2173df1 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1995,6 +1995,7 @@ extern int disallow_signal(int);
extern int do_execve(char *, char __user * __user *, char __user * __user *, struct pt_regs *);
extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);
+extern long do_fork_with_pids(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *, pid_t *target_pids);
struct task_struct *fork_idle(int);
extern void set_task_comm(struct task_struct *tsk, char *from);
diff --git a/kernel/fork.c b/kernel/fork.c
index 373411e..912d008 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1340,17 +1340,17 @@ struct task_struct * __cpuinit fork_idle(int cpu)
* It copies the process, and if successful kick-starts
* it and waits for it to finish using the VM if required.
*/
-long do_fork(unsigned long clone_flags,
+long do_fork_with_pids(unsigned long clone_flags,
unsigned long stack_start,
struct pt_regs *regs,
unsigned long stack_size,
int __user *parent_tidptr,
- int __user *child_tidptr)
+ int __user *child_tidptr,
+ pid_t *target_pids)
{
struct task_struct *p;
int trace = 0;
long nr;
- pid_t *target_pids = NULL;
/*
* Do some preliminary argument and permissions checking before we
@@ -1448,6 +1448,17 @@ long do_fork(unsigned long clone_flags,
return nr;
}
+long do_fork(unsigned long clone_flags,
+ unsigned long stack_start,
+ struct pt_regs *regs,
+ unsigned long stack_size,
+ int __user *parent_tidptr,
+ int __user *child_tidptr)
+{
+ return do_fork_with_pids(clone_flags, stack_start, regs, stack_size,
+ parent_tidptr, child_tidptr, NULL);
+}
+
#ifndef ARCH_MIN_MMSTRUCT_ALIGN
#define ARCH_MIN_MMSTRUCT_ALIGN 0
#endif
--
1.5.2.5
_______________________________________________
Containers mailing list
Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/containers
