The Linux Programming Interface: a linux and unix system Programming Handbook
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MONITORING FILE EVENTS 375 19.1 Overview ................................................................................................................. 376 19.2 The inotify API .......................................................................................................... 376 19.3 inotify Events ............................................................................................................ 378 19.4 Reading inotify Events................................................................................................ 379 19.5 Queue Limits and /proc Files....................................................................................... 385 19.6 An Older System for Monitoring File Events: dnotify ....................................................... 386 19.7 Summary.................................................................................................................. 386 19.8 Exercise ................................................................................................................... 386 20 SIGNALS: FUNDAMENTAL CONCEPTS 387 20.1 Concepts and Overview............................................................................................. 388 20.2 Signal Types and Default Actions ................................................................................ 390 20.3 Changing Signal Dispositions: signal() ......................................................................... 397 20.4 Introduction to Signal Handlers ................................................................................... 398 20.5 Sending Signals: kill() ............................................................................................... 401 20.6 Checking for the Existence of a Process........................................................................ 403 20.7 Other Ways of Sending Signals: raise() and killpg() ..................................................... 404 20.8 Displaying Signal Descriptions .................................................................................... 406 20.9 Signal Sets ............................................................................................................... 406 20.10 The Signal Mask (Blocking Signal Delivery) .................................................................. 410 20.11 Pending Signals ........................................................................................................ 411 20.12 Signals Are Not Queued............................................................................................ 412 20.13 Changing Signal Dispositions: sigaction() ..................................................................... 416 20.14 Waiting for a Signal: pause() ...................................................................................... 418 20.15 Summary.................................................................................................................. 418 20.16 Exercises .................................................................................................................. 419 tải về 6.93 Mb. Chia sẻ với bạn bè của bạn:
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