#mmap

ORA-09744: smsget: mmap returned an error.

文档解释ORA-09744:smsget:mmapreturnedanerror.Cause:Themmapsystemcallreturnedanerror.Internalerror.Action:ContactOraclesupport.这是一个Oracle错误代码,指smsget()函数发生一个mmap错误。官...

ORA-02753: osnfsmmap: cannot close shared memory file

文档解释ORA-02753:osnfsmmap:cannotclosesharedmemoryfileCause:TheFastdrivercannotclosethesharedmemoryfile.Action:Contactyourcustomersupportrepresentative.ORA-02753:o...

ORA-02751: osnfsmmap: cannot map shared memory file

文档解释ORA-02751:osnfsmmap:cannotmapsharedmemoryfileCause:TheFastdriverfailedtomapasharedmemoryfilefortwo-taskcommunication.Action:Contactyourcustomersupportrepres...

ORA-02752: osnfsmmap: illegal shared memory address

文档解释ORA-02752:osnfsmmap:illegalsharedmemoryaddressCause:TheFastdriverfailedtoattachsharedmemoryattheexpectedlocation.Action:Contactyourcustomersupportrepresenta...

ORA-02750: osnfsmmap: cannot open shared memory file ?/dbs/ftt_.dbf

文档解释ORA-02750:osnfsmmap:cannotopensharedmemoryfile?/dbs/ftt_.dbfCause:TheFastdriverfailedtocreateasharedmemoryfilefortwo-taskcommunication.Action:Checkthepermis...

ORA-02754: osnfsmmap: cannot change shared memory inheritence

文档解释ORA-02754:osnfsmmap:cannotchangesharedmemoryinheritenceCause:TheFastdrivercouldnotaltertheinheritenceattributesofthesharedmemory.Action:Contactyourcustomers...

函数mmap()的使用

函数mmap是linux的一个系统函数。如下:函数原型:void*mmap(void*addr,size_tlength,intprot,intflags,intfd,off_toffset);配套函数原型:intmunmap(void*addr,size_tlength);头文件:#include<sys/mm...
代码星球 ·2020-04-14

Linux进程分配内存的两种方式--brk() 和mmap()

如何查看进程发生缺页中断的次数?         用ps-omajflt,minflt-Cprogram命令查看。         &nbs...

Linux进程通信之mmap

mmap()函数:void*mmap(void*addr,size_tlength,intport,intflags,intfd,off_toffset);返回:成功:返回创建的映射区首地址;失败:MAP_FAILED宏参数:      addr: ...
代码星球 ·2020-04-09

python读取大文件的方法及mmap内存映射模块

 python计算文件的行数和读取某一行内容的实现方法:最简单的办法是把文件读入一个大的列表中,然后统计列表的长度.如果文件的路径是以参数的形式filepath传递的,那么只用一行代码就可以完成我们的需求了: 使用python内置的模块mmap可以处理大文件:http://www.cnblogs.c...

Linux kernel ‘uio_mmap_physical’函数缓冲区溢出漏洞

漏洞名称:Linuxkernel‘uio_mmap_physical’函数缓冲区溢出漏洞CNNVD编号:CNNVD-201311-154发布时间:2013-11-13更新时间:2013-11-13危害等级:中危  漏洞类型:缓冲区溢出威胁类型:本地CVE编号:CVE-2013...