函数源码

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source File:kernel\signal.c Create Date:2022-07-27 10:17:46
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int restore_altstack(const stack_t __user *uss)
{
    stack_t new;
    if (copy_from_user(&new, uss, sizeof(stack_t)))
        return -EFAULT;
    (void)do_sigaltstack(&new, NULL, current_user_stack_pointer(),
                 MINSIGSTKSZ);
    /* squash all but EFAULT for now */
    return 0;
}