34 lines
568 B
C
34 lines
568 B
C
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// Routines useful when debugging the Rust runtime.
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#ifndef RUST_DEBUG_H
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#define RUST_DEBUG_H
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#include <cstdlib>
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namespace debug {
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class flag {
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private:
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const char *name;
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bool valid;
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bool value;
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public:
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flag(const char *in_name) : name(in_name), valid(false) {}
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bool operator*() {
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// FIXME: We ought to lock this.
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if (!valid) {
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char *ev = getenv(name);
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value = ev && ev[0] != '\0' && ev[0] != '0';
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valid = true;
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}
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return value;
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}
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};
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} // end namespace debug
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#endif
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