diff options
Diffstat (limited to 'deps/npm/node_modules/node-gyp/node_modules/npmlog/node_modules/gauge/node_modules/signal-exit/index.js')
-rw-r--r-- | deps/npm/node_modules/node-gyp/node_modules/npmlog/node_modules/gauge/node_modules/signal-exit/index.js | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/deps/npm/node_modules/node-gyp/node_modules/npmlog/node_modules/gauge/node_modules/signal-exit/index.js b/deps/npm/node_modules/node-gyp/node_modules/npmlog/node_modules/gauge/node_modules/signal-exit/index.js deleted file mode 100644 index 7dd8d917dc..0000000000 --- a/deps/npm/node_modules/node-gyp/node_modules/npmlog/node_modules/gauge/node_modules/signal-exit/index.js +++ /dev/null @@ -1,148 +0,0 @@ -// Note: since nyc uses this module to output coverage, any lines -// that are in the direct sync flow of nyc's outputCoverage are -// ignored, since we can never get coverage for them. -var assert = require('assert') -var signals = require('./signals.js') - -var EE = require('events') -/* istanbul ignore if */ -if (typeof EE !== 'function') { - EE = EE.EventEmitter -} - -var emitter -if (process.__signal_exit_emitter__) { - emitter = process.__signal_exit_emitter__ -} else { - emitter = process.__signal_exit_emitter__ = new EE() - emitter.count = 0 - emitter.emitted = {} -} - -module.exports = function (cb, opts) { - assert.equal(typeof cb, 'function', 'a callback must be provided for exit handler') - - if (loaded === false) { - load() - } - - var ev = 'exit' - if (opts && opts.alwaysLast) { - ev = 'afterexit' - } - - var remove = function () { - emitter.removeListener(ev, cb) - if (emitter.listeners('exit').length === 0 && - emitter.listeners('afterexit').length === 0) { - unload() - } - } - emitter.on(ev, cb) - - return remove -} - -module.exports.unload = unload -function unload () { - if (!loaded) { - return - } - loaded = false - - signals.forEach(function (sig) { - try { - process.removeListener(sig, sigListeners[sig]) - } catch (er) {} - }) - process.emit = originalProcessEmit - process.reallyExit = originalProcessReallyExit - emitter.count -= 1 -} - -function emit (event, code, signal) { - if (emitter.emitted[event]) { - return - } - emitter.emitted[event] = true - emitter.emit(event, code, signal) -} - -// { <signal>: <listener fn>, ... } -var sigListeners = {} -signals.forEach(function (sig) { - sigListeners[sig] = function listener () { - // If there are no other listeners, an exit is coming! - // Simplest way: remove us and then re-send the signal. - // We know that this will kill the process, so we can - // safely emit now. - var listeners = process.listeners(sig) - if (listeners.length === emitter.count) { - unload() - emit('exit', null, sig) - /* istanbul ignore next */ - emit('afterexit', null, sig) - /* istanbul ignore next */ - process.kill(process.pid, sig) - } - } -}) - -module.exports.signals = function () { - return signals -} - -module.exports.load = load - -var loaded = false - -function load () { - if (loaded) { - return - } - loaded = true - - // This is the number of onSignalExit's that are in play. - // It's important so that we can count the correct number of - // listeners on signals, and don't wait for the other one to - // handle it instead of us. - emitter.count += 1 - - signals = signals.filter(function (sig) { - try { - process.on(sig, sigListeners[sig]) - return true - } catch (er) { - return false - } - }) - - process.emit = processEmit - process.reallyExit = processReallyExit -} - -var originalProcessReallyExit = process.reallyExit -function processReallyExit (code) { - process.exitCode = code || 0 - emit('exit', process.exitCode, null) - /* istanbul ignore next */ - emit('afterexit', process.exitCode, null) - /* istanbul ignore next */ - originalProcessReallyExit.call(process, process.exitCode) -} - -var originalProcessEmit = process.emit -function processEmit (ev, arg) { - if (ev === 'exit') { - if (arg !== undefined) { - process.exitCode = arg - } - var ret = originalProcessEmit.apply(this, arguments) - emit('exit', process.exitCode, null) - /* istanbul ignore next */ - emit('afterexit', process.exitCode, null) - return ret - } else { - return originalProcessEmit.apply(this, arguments) - } -} |