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fix: handle signal 0 in process.kill (#23473)

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the last commit had a regression, where it removed this branch, I
haven't tested the code but I think it should work

---------

Signed-off-by: Bedis Nbiba <bedisnbiba@gmail.com>
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Bedis Nbiba 2024-05-19 19:52:03 +01:00 committed by GitHub
parent 9e890399fc
commit 927cbb5ecd
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2 changed files with 9 additions and 0 deletions
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4
ext/node/polyfills/process.ts
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@ -259,6 +259,10 @@ memoryUsage.rss = function (): number {
// Returns a negative error code than can be recognized by errnoException
function _kill(pid: number, sig: number): number {
// signal 0 does not exist in constants.os.signals, thats why it have to be handled explicitly
if (sig === 0) {
return op_node_process_kill(pid, 0);
}
const maybeSignal = Object.entries(constants.os.signals).find((
[_, numericCode],
) => numericCode === sig);

5
tests/unit_node/process_test.ts
View file

@ -243,6 +243,11 @@ Deno.test(
args: ["eval", "setTimeout(() => {}, 10000)"],
}).spawn();
// kill with signal 0 should keep the process alive in linux (true means no error happened)
// windows ignore signals
if (Deno.build.os !== "windows") {
assertEquals(process.kill(p.pid, 0), true);
}
process.kill(p.pid);
await p.status;
},