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