File size: 1,202 Bytes
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var DTraceProvider;
function DTraceProviderStub() {}
DTraceProviderStub.prototype.addProbe = function(name) {
var p = { 'fire': function () {} };
this[name] = p;
return (p);
};
DTraceProviderStub.prototype.enable = function() {};
DTraceProviderStub.prototype.fire = function() {};
DTraceProviderStub.prototype.disable = function() {};
var builds = ['Release', 'default', 'Debug'];
for (var i in builds) {
try {
var binding = require('./build/' + builds[i] + '/DTraceProviderBindings');
DTraceProvider = binding.DTraceProvider;
break;
} catch (e) {
// if the platform looks like it _should_ have DTrace
// available, log a failure to load the bindings.
if (process.platform == 'darwin' ||
process.platform == 'solaris' ||
process.platform == 'freebsd') {
console.error(e);
}
}
}
if (!DTraceProvider) {
DTraceProvider = DTraceProviderStub;
}
exports.DTraceProvider = DTraceProvider;
exports.createDTraceProvider = function(name, module) {
if (arguments.length == 2)
return (new exports.DTraceProvider(name, module));
return (new exports.DTraceProvider(name));
};
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