File: C:/Ruby27-x64/share/doc/ruby/html/SignalException.html
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<h3>Parent</h3>
<p class="link"><a href="Exception.html">Exception</a>
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<h3>Methods</h3>
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<li ><a href="#method-c-new">::new</a>
<li ><a href="#method-i-signo">#signo</a>
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<h1 id="class-SignalException" class="class">
class SignalException
</h1>
<section class="description">
<p>Raised when a signal is received.</p>
<pre class="ruby"><span class="ruby-keyword">begin</span>
<span class="ruby-constant">Process</span>.<span class="ruby-identifier">kill</span>(<span class="ruby-string">'HUP'</span>,<span class="ruby-constant">Process</span>.<span class="ruby-identifier">pid</span>)
<span class="ruby-identifier">sleep</span> <span class="ruby-comment"># wait for receiver to handle signal sent by Process.kill</span>
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">SignalException</span> <span class="ruby-operator">=></span> <span class="ruby-identifier">e</span>
<span class="ruby-identifier">puts</span> <span class="ruby-node">"received Exception #{e}"</span>
<span class="ruby-keyword">end</span>
</pre>
<p><em>produces:</em></p>
<pre class="ruby"><span class="ruby-identifier">received</span> <span class="ruby-constant">Exception</span> <span class="ruby-constant">SIGHUP</span>
</pre>
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<section id="5Buntitled-5D" class="documentation-section">
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
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<h3>Public Class Methods</h3>
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<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-callseq">
new(sig_name) → signal_exception
</span>
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<div class="method-heading">
<span class="method-callseq">
new(sig_number [, name]) → signal_exception
</span>
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<div class="method-description">
<p>Construct a new <a href="SignalException.html"><code>SignalException</code></a> object. <code>sig_name</code> should be a known signal name.</p>
<div class="method-source-code" id="new-source">
<pre>static VALUE
esignal_init(int argc, VALUE *argv, VALUE self)
{
int argnum = 1;
VALUE sig = Qnil;
int signo;
if (argc > 0) {
sig = rb_check_to_integer(argv[0], "to_int");
if (!NIL_P(sig)) argnum = 2;
else sig = argv[0];
}
rb_check_arity(argc, 1, argnum);
if (argnum == 2) {
signo = NUM2INT(sig);
if (signo < 0 || signo > NSIG) {
rb_raise(rb_eArgError, "invalid signal number (%d)", signo);
}
if (argc > 1) {
sig = argv[1];
}
else {
sig = rb_signo2signm(signo);
}
}
else {
int prefix;
signo = signm2signo(&sig, FALSE, FALSE, &prefix);
if (prefix != signame_prefix_len) {
sig = rb_str_append(rb_str_new_cstr("SIG"), sig);
}
}
rb_call_super(1, &sig);
rb_ivar_set(self, id_signo, INT2NUM(signo));
return self;
}</pre>
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<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
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<div id="method-i-signo" class="method-detail ">
<div class="method-heading">
<span class="method-callseq">
signo → num
</span>
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<div class="method-description">
<p>Returns a signal number.</p>
<div class="method-source-code" id="signo-source">
<pre>static VALUE
esignal_signo(VALUE self)
{
return rb_ivar_get(self, id_signo);
}</pre>
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