A memory mapped (mmap'd) file is a shared memory object, or a file with some portion or the whole file was mapped to virtual memory segments in the address space of an OS process. Here is one way to figure out if a given object (file or shared memory object) was memory mapped in a process or not. find the file system inode number of the object look for that inode number in the address space of a given process And here is an example. We are about to check a log file and a shared memory segment in a Siebel object manager's process address space....
Tuesday, 17 January 2012
Wednesday, 4 January 2012
Unwanted Software Installers
Posted on 23:43 by Unknown
After all these years of software evolution, it is odd to see not much improvement in the area of software installation. Customers do not seem to mind dealing with different, complex installers. Nevertheless this whole process can be simplified to save time, effort and energy.In an ideal world, a software installer is supposed to have just one function - copying the software bits to a designated location and nothing else. However today we interact with different installers that does variety of things -- some install the pre-compiled binaries, few...
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