More improvements to shutdown process #24

Closed
alexliebowitz wants to merge 3 commits from shutdown-fixes into master
2 changed files with 16 additions and 13 deletions

View file

@ -40,7 +40,7 @@ function openItem(fullPath) {
} else if (process.platform == 'linux') { } else if (process.platform == 'linux') {
child = child_process.spawn('xdg-open', [fullPath], subprocOptions); child = child_process.spawn('xdg-open', [fullPath], subprocOptions);
} else if (process.platform == 'win32') { } else if (process.platform == 'win32') {
child = child_process.execSync('start', [fullPath], subprocOptions); child = child_process.spawn(fullPath, [], subprocOptions);
} }
// Causes child process reference to be garbage collected, allowing main process to exit // Causes child process reference to be garbage collected, allowing main process to exit
@ -48,12 +48,13 @@ function openItem(fullPath) {
} }
function getPidsForProcessName(name) { function getPidsForProcessName(name) {
if (process.platform == 'windows') { if (process.platform == 'win32') {
const tasklistOut = child_process.execSync('tasklist', const tasklistOut = child_process.execSync(`tasklist /fi "Imagename eq ${name}.exe" /nh`, {encoding: 'utf8'});
['/fi', `Imagename eq ${name}.exe`, '/nh'], if (tasklistOut.startsWith('INFO')) {
{encoding: 'utf8'} return [];
).stdout; } else {
return tasklistOut.match(/[^\n]+/g).map((line) => line.split(/\s+/)[1]); // Second column of every non-empty line return tasklistOut.match(/[^\r\n]+/g).map((line) => line.split(/\s+/)[1]); // Second column of every non-empty line
}
} else { } else {
const pgrepOut = child_process.spawnSync('pgrep', ['-x', name], {encoding: 'utf8'}).stdout; const pgrepOut = child_process.spawnSync('pgrep', ['-x', name], {encoding: 'utf8'}).stdout;
return pgrepOut.match(/\d+/g); return pgrepOut.match(/\d+/g);
@ -158,13 +159,15 @@ function forceKillAllDaemonsAndQuit() {
console.log(`Found ${daemonPids.length} running daemon instances. Attempting to force kill...`); console.log(`Found ${daemonPids.length} running daemon instances. Attempting to force kill...`);
for (const pid of daemonPids) { for (const pid of daemonPids) {
const daemonKillAttemptsComplete = 0; let daemonKillAttemptsComplete = 0;
kill(pid, 'SIGKILL', (err) => { kill(pid, 'SIGKILL', (err) => {
daemonKillAttemptsComplete++; daemonKillAttemptsComplete++;
if (err) { if (err) {
console.log(`Failed to force kill running daemon with pid ${pid}. Error message: ${err.message}`); console.log(`Failed to force kill daemon task with pid ${pid}. Error message: ${err.message}`);
} else {
console.log(`Force killed daemon task with pid ${pid}.`);
} }
if (daemonKillAttemptsComplete >= daemonPids.length) { if (daemonKillAttemptsComplete >= daemonPids.length - 1) {
quitNow(); quitNow();
} }
}); });
@ -208,9 +211,9 @@ app.on('activate', () => {
function shutdownDaemonAndQuit(evenIfNotStartedByApp = false) { function shutdownDaemonAndQuit(evenIfNotStartedByApp = false) {
if (daemonSubprocess) { if (daemonSubprocess) {
console.log('Killing lbrynet-daemon process'); console.log('Killing lbrynet-daemon process');
daemonSubprocessKillRequested = true;
kill(daemonSubprocess.pid, undefined, (err) => { kill(daemonSubprocess.pid, undefined, (err) => {
console.log('Killed lbrynet-daemon process'); console.log('Killed lbrynet-daemon process');
requestedDaemonSubprocessKilled = true;
quitNow(); quitNow();
}); });
} else if (evenIfNotStartedByApp) { } else if (evenIfNotStartedByApp) {
@ -249,7 +252,7 @@ function upgrade(event, installerPath) {
win.loadURL(`file://${__dirname}/dist/upgrade.html`); win.loadURL(`file://${__dirname}/dist/upgrade.html`);
} }
app.quit(); shutdownDaemonAndQuit(true);
// wait for daemon to shut down before upgrading // wait for daemon to shut down before upgrading
// what to do if no shutdown in a long time? // what to do if no shutdown in a long time?
console.log('Update downloaded to', installerPath); console.log('Update downloaded to', installerPath);

View file

@ -14,7 +14,7 @@ Web UI version numbers should always match the corresponding version of LBRY App
### Changed ### Changed
* Update process now easier and more reliable * Update process now easier and more reliable
* * Cleaned up shutdown logic
* *
### Fixed ### Fixed