Technorati 标签: current thread_info在内核中,可以通过current宏来获得当前执行进程的task_struct指针。现在来简要分析以下:最原始的定义如下:1 #define current get_current()1 2 #define get_current() (current_thread_info()->task) 可以看出,current调用了
volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ unsigned long flags; /* per process flags, defined below */ int sigpending; mm_segment_t addr_limit; /* thread address space: 0-0xBFFFFFFF for user-thead 0-0xFFFFFFFF for kernel-thread */ struct exec_domain *exec_...
proxy_info_check_interval proxy_local_cmd proxy_mem_limited qa_mode_mock_public_cloud_slb_addr qos_stat_clean_interval qos_stat_item_limit refresh_idc_list refresh_json_config refresh_rslist request_buffer_length rootservice_list rpc_async_task_thread_num routing_cache_mem_limited rpc_enable_di...
proxy_info_check_interval proxy_local_cmd proxy_mem_limited qa_mode_mock_public_cloud_slb_addr qos_stat_clean_interval qos_stat_item_limit refresh_idc_list refresh_json_config refresh_rslist request_buffer_length rootservice_list routing_cache_mem_limited rpc_async_task_thread_num rpc_enable_...
kernel利用current宏寻找task_struct的位置,假设栈的大小为8k(13个二进制位),我们可以将进程栈的地址的后13位屏蔽掉,这样得到的刚好就是进程栈的起始地址,而thread_info刚好就是位于进程栈的底部,所以进程栈的起始地址就是struct thread_info的地址,得到了thread_info的地址,我们就很容易找到task_struct的地址了。
Summary of routes addrFamily Address family, including: IPv4-unicast IPv4-multicast VPNv4 IPv6-unicast VPNv6 IPv4-flow Possible Causes BGP detected that the usage of the storage medium exceeded the upper limit. Procedure This log message is informational only, and no action is required.Traducci...
Summary of routes addrFamily Address family, including: IPv4-unicast IPv4-multicast VPNv4 IPv6-unicast VPNv6 IPv4-flow Possible Causes BGP detected that the usage of the storage medium exceeded the upper limit. Procedure This log message is informational only, and no action is required.Tradu...
16. 启动虚拟机,使用命令ip addr可以发现之前修改的enp0s3网卡的ip 192.168.1.50并未显示出来,说明网卡的配置还未完全正确执行命令vi /etc/sysconfig/network-scripts/ifcfg-enp0s3修改配置,修改BOOTPROTO=static, DEFROUTE=no, ONBOOT=yes, 重启网络systemctl restart network, 再次使用命令ip addr发现enp0s3网卡之前...
set_time_limit sys_get_temp_dir version_compare zend_thread_id zend_version Output Control flush ob_clean ob_end_clean ob_end_flush ob_flush ob_get_clean ob_get_contents ob_get_flush ob_get_length ob_get_level ob_get_status ob_gzhandler ob_implicit_flush ob_list_handlers ob_start outp...
此函数返回以下状态代码之一。 返回代码说明 STOR_STATUS_SUCCESS已成功检索 IRQL。 STOR_STATUS_INVALID_PARAMETERIrql是空指针。 STOR_STATUS_UNSUCCESSFUL由于其他内部系统原因而返回。 注解 微型端口可以调用StorPortGetCurrentIrql来查询当前 IRQL。 KIRQL 在miniport.h中定义。 有关 IRQL 的一般信息,请参阅管理硬件优...