alp-apC-signal-table - 17 0430 APPC 10:59 AM Page 301 C...

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Table of Signals C T ABLE C.1 LISTS SOME OF THE L INUX SIGNALS YOU RE MOST LIKELY to encounter or use. Note that some signals have multiple interpretations, depending on where they occur. The names of the signals listed here are de fi ned as preprocessor macros.To use them in your program, include <signal.h> .The actual de fi nitions are in /usr/include/sys/signum.h , which is included as part of <signal.h> . For a full list of Linux signals, including a short description of each and the default behavior when the signal is delivered, consult the signal man page in Section 7 by invoking the following: % man 7 signal Table C.1 Linux Signals Name Description SIGHUP Linux sends a process this signal when it becomes disconnected from a terminal. Many Linux programs use SIGHUP for an unre- lated purpose: to indicate to a running program that it should reread its con fi guration fi les. continues
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302 Appendix C Table of Signals SIGINT Linux sends a process this signal when the user tries to end it by pressing Ctrl+C.
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