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SIGTERM simulation by hitting SHIFT-CTRL-T-R

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This commit is contained in:
minjaesong
2021-04-23 21:57:02 +09:00
parent 1626c5f5e2
commit dbfda580a7
6 changed files with 42 additions and 31 deletions
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32
assets/disk0/tvdos/bin/command.js
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@@ -447,7 +447,8 @@ if (goInteractive) {
var cmdbuf = "";
while (true) {
var key = con.getch();
let key = con.getch();
let gotError = false;
// printable chars
if (key >= 32 && key <= 126) {
@@ -466,22 +467,27 @@ if (goInteractive) {
try {
errorlevel = 0; // reset the number
errorlevel = shell.execute(cmdbuf);
let rawE = errorlevel;
if (errorlevel instanceof SIG)
errorlevel = errorlevel.name;
else if (errorlevel == undefined || (typeof errorlevel.trim == "function" && errorlevel.trim().length == 0) || isNaN(errorlevel))
errorlevel = 0;
serial.printerr(`errorlevel: ${errorlevel} (raw: ${rawE})`);
}
catch (e) {
printerrln("\n"+(e.stack || e));
//if (errorlevel === 0 || isNaN(errorlevel)) {
// errorlevel = 1; // generic failure
//}
gotError = true;
serial.printerr(`[command.js] program quit with ${e}:\n${e.stack || '(stack trace unavailable)'}`);
if (`${e}`.startsWith("InterruptedException"))
errorlevel = SIGTERM.name;
else if (e instanceof IllegalAccessException || `${e}`.startsWith("net.torvald.tsvm.ErrorIllegalAccess"))
errorlevel = SIGSEGV.name;
// exception catched means something went wrong, so if errorlevel is found to be zero, force set to 1.
else
errorlevel = 1;
}
finally {
// sometimes no-error program may return nothing as the errorlevel; force set to 0 then.
if (!gotError && (errorlevel == undefined || (typeof errorlevel.trim == "function" && errorlevel.trim().length == 0) || isNaN(errorlevel)))
errorlevel = 0;
serial.printerr(`errorlevel: ${errorlevel}`);
if (cmdbuf.trim().length > 0)
cmdHistory.push(cmdbuf);