libcore: Add core::logging::console_on/off functions
These affect logging output to stdout globally, and turning the console off has no effect when overridden by RUST_LOG.
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@ -10,7 +10,7 @@
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export box, char, float, bessel, f32, f64, int, str, ptr;
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export uint, u8, u32, u64, vec, bool;
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export either, option, result;
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export ctypes, sys, unsafe, comm, task;
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export ctypes, sys, unsafe, comm, task, logging;
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export extfmt;
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export math;
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@ -52,6 +52,7 @@ mod sys;
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mod unsafe;
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mod comm;
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mod task;
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mod logging;
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// Compiler support modules
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@ -0,0 +1,26 @@
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#[doc = "Logging"];
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export console_on, console_off;
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#[nolink]
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native mod rustrt {
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fn rust_log_console_on();
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fn rust_log_console_off();
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}
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#[doc = "Turns on logging to stdout globally"]
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fn console_on() {
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rustrt::rust_log_console_on();
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}
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#[doc(
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brief =
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"Turns off logging to stdout globally",
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desc =
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"Turns off the console unless the user has overridden the \
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runtime environment's logging spec, e.g. by setting \
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the RUST_LOG environment variable"
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)]
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fn console_off() {
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rustrt::rust_log_console_off();
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}
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