__ __ __ __ _____ _ _ _____ _ _ _ | \/ | \ \ / / | __ \ (_) | | / ____| | | | | | \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | | | |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | | | | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | | |_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1 if you need WebShell for Seo everyday contact me on Telegram Telegram Address : @jackleetFor_More_Tools:
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_TASK_STACK_H
#define _LINUX_SCHED_TASK_STACK_H
/*
* task->stack (kernel stack) handling interfaces:
*/
#include <linux/sched.h>
#include <linux/magic.h>
#ifdef CONFIG_THREAD_INFO_IN_TASK
/*
* When accessing the stack of a non-current task that might exit, use
* try_get_task_stack() instead. task_stack_page will return a pointer
* that could get freed out from under you.
*/
static __always_inline void *task_stack_page(const struct task_struct *task)
{
return task->stack;
}
#define setup_thread_stack(new,old) do { } while(0)
static inline unsigned long *end_of_stack(const struct task_struct *task)
{
return task->stack;
}
#elif !defined(__HAVE_THREAD_FUNCTIONS)
#define task_stack_page(task) ((void *)(task)->stack)
static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
{
*task_thread_info(p) = *task_thread_info(org);
task_thread_info(p)->task = p;
}
/*
* Return the address of the last usable long on the stack.
*
* When the stack grows down, this is just above the thread
* info struct. Going any lower will corrupt the threadinfo.
*
* When the stack grows up, this is the highest address.
* Beyond that position, we corrupt data on the next page.
*/
static inline unsigned long *end_of_stack(struct task_struct *p)
{
#ifdef CONFIG_STACK_GROWSUP
return (unsigned long *)((unsigned long)task_thread_info(p) + THREAD_SIZE) - 1;
#else
return (unsigned long *)(task_thread_info(p) + 1);
#endif
}
#endif
#ifdef CONFIG_THREAD_INFO_IN_TASK
static inline void *try_get_task_stack(struct task_struct *tsk)
{
return refcount_inc_not_zero(&tsk->stack_refcount) ?
task_stack_page(tsk) : NULL;
}
extern void put_task_stack(struct task_struct *tsk);
#else
static inline void *try_get_task_stack(struct task_struct *tsk)
{
return task_stack_page(tsk);
}
static inline void put_task_stack(struct task_struct *tsk) {}
#endif
void exit_task_stack_account(struct task_struct *tsk);
#define task_stack_end_corrupted(task) \
(*(end_of_stack(task)) != STACK_END_MAGIC)
static inline int object_is_on_stack(const void *obj)
{
void *stack = task_stack_page(current);
return (obj >= stack) && (obj < (stack + THREAD_SIZE));
}
extern void thread_stack_cache_init(void);
#ifdef CONFIG_DEBUG_STACK_USAGE
static inline unsigned long stack_not_used(struct task_struct *p)
{
unsigned long *n = end_of_stack(p);
do { /* Skip over canary */
# ifdef CONFIG_STACK_GROWSUP
n--;
# else
n++;
# endif
} while (!*n);
# ifdef CONFIG_STACK_GROWSUP
return (unsigned long)end_of_stack(p) - (unsigned long)n;
# else
return (unsigned long)n - (unsigned long)end_of_stack(p);
# endif
}
#endif
extern void set_task_stack_end_magic(struct task_struct *tsk);
#ifndef __HAVE_ARCH_KSTACK_END
static inline int kstack_end(void *addr)
{
/* Reliable end of stack detection:
* Some APM bios versions misalign the stack
*/
return !(((unsigned long)addr+sizeof(void*)-1) & (THREAD_SIZE-sizeof(void*)));
}
#endif
#endif /* _LINUX_SCHED_TASK_STACK_H */
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| affinity.h | File | 25 B | 0644 |
|
| autogroup.h | File | 1.2 KB | 0644 |
|
| clock.h | File | 2.71 KB | 0644 |
|
| cond_resched.h | File | 25 B | 0644 |
|
| coredump.h | File | 3.69 KB | 0644 |
|
| cpufreq.h | File | 983 B | 0644 |
|
| cputime.h | File | 5.22 KB | 0644 |
|
| deadline.h | File | 780 B | 0644 |
|
| debug.h | File | 1.42 KB | 0644 |
|
| hotplug.h | File | 591 B | 0644 |
|
| idle.h | File | 1.85 KB | 0644 |
|
| init.h | File | 240 B | 0644 |
|
| isolation.h | File | 2.04 KB | 0644 |
|
| jobctl.h | File | 1.91 KB | 0644 |
|
| loadavg.h | File | 1.55 KB | 0644 |
|
| mm.h | File | 14.68 KB | 0644 |
|
| nohz.h | File | 907 B | 0644 |
|
| numa_balancing.h | File | 1.46 KB | 0644 |
|
| posix-timers.h | File | 32 B | 0644 |
|
| prio.h | File | 1.09 KB | 0644 |
|
| rseq_api.h | File | 24 B | 0644 |
|
| rt.h | File | 1.35 KB | 0644 |
|
| sd_flags.h | File | 5.3 KB | 0644 |
|
| signal.h | File | 22.24 KB | 0644 |
|
| smt.h | File | 440 B | 0644 |
|
| stat.h | File | 887 B | 0644 |
|
| sysctl.h | File | 956 B | 0644 |
|
| task.h | File | 5.87 KB | 0644 |
|
| task_flags.h | File | 25 B | 0644 |
|
| task_stack.h | File | 2.99 KB | 0644 |
|
| thread_info_api.h | File | 31 B | 0644 |
|
| topology.h | File | 7.11 KB | 0644 |
|
| types.h | File | 710 B | 0644 |
|
| user.h | File | 1.59 KB | 0644 |
|
| wake_q.h | File | 2.22 KB | 0644 |
|
| xacct.h | File | 854 B | 0644 |
|