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Дата изменения: Unknown Дата индексирования: Fri Dec 28 20:32:47 2007 Кодировка: |
In this section will look at ways in which two processes can communicate. When a process terminates abnormally it usually tries to send a signal indicating what went wrong. C programs (and UNIX) can trap these for diagnostics. Also user specified communication can take place in this way.
The process uses signals which can be numbered 0 to 31. Macros are defined in signal.h header file for common signals.
These include:
