143 lines
6.7 KiB
HTML
143 lines
6.7 KiB
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<h1 class='fqn'><span class='in-band'>Function <a href='index.html'>log</a>::<wbr><a class="fn" href=''>set_logger_raw</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/log/lib.rs.html#728-739' title='goto source code'>[src]</a></span></h1>
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<pre class='rust fn'>pub unsafe fn set_logger_raw<M>(make_logger: M) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="../log/struct.SetLoggerError.html" title="struct log::SetLoggerError">SetLoggerError</a>> <span class="where fmt-newline">where<br> M: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="struct" href="../log/struct.MaxLogLevelFilter.html" title="struct log::MaxLogLevelFilter">MaxLogLevelFilter</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="trait" href="../log/trait.Log.html" title="trait log::Log">Log</a>, </span></pre><div class='docblock'><p>Sets the global logger from a raw pointer.</p>
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<p>This function is similar to <code>set_logger</code> except that it is usable in
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<code>no_std</code> code.</p>
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<p>The <code>make_logger</code> closure is passed a <code>MaxLogLevel</code> object, which the
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logger should use to keep the global maximum log level in sync with the
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highest log level that the logger will not ignore.</p>
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<p>This function may only be called once in the lifetime of a program. Any log
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events that occur before the call to <code>set_logger_raw</code> completes will be
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ignored.</p>
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<p>This function does not typically need to be called manually. Logger
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implementations should provide an initialization method that calls
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<code>set_logger_raw</code> internally.</p>
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<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
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<p>The pointer returned by <code>make_logger</code> must remain valid for the entire
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duration of the program or until <code>shutdown_logger_raw</code> is called. In
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addition, <code>shutdown_logger</code> <em>must not</em> be called after this function.</p>
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