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Signal
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Filename :
trap-c.ri
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U:RDoc::AnyMethod[iI" trap:ETI"Signal::trap;TT: publico:RDoc::Markup::Document: @parts[ o: RDoc::Markup::Paragraph; [I"HSpecifies the handling of signals. The first parameter is a signal ;TI"Fname (a string such as ``SIGALRM'', ``SIGUSR1'', and so on) or a ;TI"Csignal number. The characters ``SIG'' may be omitted from the ;TI"Isignal name. The command or block specifies code to be run when the ;TI"signal is raised. ;TI"HIf the command is the string ``IGNORE'' or ``SIG_IGN'', the signal ;TI"will be ignored. ;TI"NIf the command is ``DEFAULT'' or ``SIG_DFL'', the Ruby's default handler ;TI"will be invoked. ;TI"NIf the command is ``EXIT'', the script will be terminated by the signal. ;TI"JIf the command is ``SYSTEM_DEFAULT'', the operating system's default ;TI" handler will be invoked. ;TI"8Otherwise, the given command or block will be run. ;TI"DThe special signal name ``EXIT'' or signal number zero will be ;TI"0invoked just prior to program termination. ;TI"<trap returns the previous handler for the given signal.;To: RDoc::Markup::BlankLine o:RDoc::Markup::Verbatim; [I"8Signal.trap(0, proc { puts "Terminating: #{$$}" }) ;TI"/Signal.trap("CLD") { puts "Child died" } ;TI"fork && Process.wait ;T: @format0o; ; [I"<em>produces:</em>;To; ; [I"Terminating: 27461 ;TI"Child died ;TI"Terminating: 27460;T; 0: @fileI" signal.c;T:0@omit_headings_from_table_of_contents_below0I"USignal.trap( signal, command ) -> obj Signal.trap( signal ) {| | block } -> obj ;T0[ I" (*args);T@+FI" Signal;TcRDoc::NormalModule00