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<TITLE>signal</TITLE> <body bgcolor="#ffffcc"> <hr> <pre> <h3>SIGACTION(2) Linux Programmer's Manual SIGACTION(2) </h3> <h3>NAME </h3> signal - ANSI C signal handling. <h3>SYNOPSIS </h3> #include <signal.h> void (*signal(int signum, void (*handler)(int)))(int); <h3>DESCRIPTION </h3> The signal system call installs a new signal handler for signal signum. The signal handler is set to handler which may be a user specified function, or one of the following: SIG_IGN Ignore the signal. SIG_DFL Reset the signal to its default behavior. <h3>RETURN VALUE </h3> signal returns the previous value of the signal handler, or SIG_ERR on error. <h3>NOTES </h3> Signal handlers cannot be set for SIGKILL or SIGSTOP. Unlike BSD systems, signals under Linux are reset to their default behavior when raised. If you're confused by the prototype at the top of this manpage, it may help to see it separated out thus: typedef void (*sighandler_t)(int); sighandler_t signal(int signum, sighandler_t handler); <h3>CONFORMING TO </h3> ANSI C </pre> <hr> <h3>SEE ALSO </h3><p> <a href=kill.htm>kill</a>, <a href=kill.htm>kill</a>, <a href=killpg.htm>killpg</a>, <a href=pause.htm>pause</a>, <a href=raise.htm>raise</a>, <a href=tion.htm>tion</a>, <a href=signal.htm>signal</a>, <a href=sigsetops.htm>sigsetops</a>, <a href=sigvec.htm>sigvec</a>, <pre> <h3>Linux 1.0 24 September 1994 1 </h3> </pre> <P> <hr> <p> <center> <table border=2 width=80%> <tr align=center> <td width=25%> <a href=../index.htm>Top</a> </td><td width=25%> <a href=../master_index.html>Master Index</a> </td><td width=25%> <a href=../SYNTAX/keywords.html>Keywords</a> </td><td width=25%> <a href=../FUNCTIONS/index.htm>Functions</a> </td> </tr> </table> </center> <p> <hr> This manual page was brought to you by <i>mjl_man V-2.0</i>

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