From: Sukadev Bhattiprolu <[email protected]> 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 <[email protected]> --- 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 [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
