The Linux Programming Interface: a linux and unix system Programming Handbook
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LOGIN ACCOUNTING 817 40.1 Overview of the utmp and wtmp Files ............................................................................ 817 40.2 The utmpx API .......................................................................................................... 818 40.3 The utmpx Structure ................................................................................................... 818 40.4 Retrieving Information from the utmp and wtmp Files ........................................................ 821 40.5 Retrieving the Login Name: getlogin() .......................................................................... 825 40.6 Updating the utmp and wtmp Files for a Login Session ..................................................... 825 xxii Contents in Detail 40.7 The lastlog File ........................................................................................................ 830 40.8 Summary.................................................................................................................. 832 40.9 Exercises .................................................................................................................. 832 41 FUNDAMENTALS OF SHARED LIBRARIES 833 41.1 Object Libraries ........................................................................................................ 833 41.2 Static Libraries .......................................................................................................... 834 41.3 Overview of Shared Libraries...................................................................................... 836 41.4 Creating and Using Shared Libraries—A First Pass ........................................................ 837 41.4.1 Creating a Shared Library...................................................................... 837 41.4.2 Position-Independent Code..................................................................... 838 41.4.3 Using a Shared Library.......................................................................... 839 41.4.4 The Shared Library Soname ................................................................... 840 41.5 Useful Tools for Working with Shared Libraries ............................................................. 843 41.6 Shared Library Versions and Naming Conventions ........................................................ 844 41.7 Installing Shared Libraries .......................................................................................... 847 41.8 Compatible Versus Incompatible Libraries..................................................................... 850 41.9 Upgrading Shared Libraries........................................................................................ 850 41.10 Specifying Library Search Directories in an Object File .................................................. 851 41.11 Finding Shared Libraries at Run Time ........................................................................... 854 41.12 Run-Time Symbol Resolution ........................................................................................ 854 41.13 Using a Static Library Instead of a Shared Library ......................................................... 856 41.14 Summary.................................................................................................................. 856 41.15 Exercise ................................................................................................................... 857 tải về 6.93 Mb. Chia sẻ với bạn bè của bạn:
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