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charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, Nov 15, 2023 at 8:58=E2=80=AFPM Bart Schaefer wrote: > > > > > > read foo < <(read bar; echo $bar) > > > ... the multio loop is still reading /dev/tty and won't discover > > until its I/O buffers fill up that "read foo" isn't consuming any more > > input. I fact it never notices then, either. > Replace /dev/tty with /dev/zero and we're back to the unkillable loop. Why not this? Any reason that errors from write_loop() should be ignored? --00000000000009033b060a4f0bd0 Content-Type: text/plain; charset="US-ASCII"; name="procsubs-write_loop.txt" Content-Disposition: attachment; filename="procsubs-write_loop.txt" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_lp1xve7a0 ZGlmZiAtLWdpdCBhL1NyYy9leGVjLmMgYi9TcmMvZXhlYy5jCmluZGV4IDk3ODIzNzYwZi4uMWJi ZWZkOTg1IDEwMDY0NAotLS0gYS9TcmMvZXhlYy5jCisrKyBiL1NyYy9leGVjLmMKQEAgLTIzMDIs NyArMjMwMiw4IEBAIGNsb3NlbW4oc3RydWN0IG11bHRpbyAqKm1mZHMsIGludCBmZCwgaW50IHR5 cGUpCiAJCQlicmVhazsKIAkJfQogCQlmb3IgKGkgPSAwOyBpIDwgbW4tPmN0OyBpKyspCi0JCSAg ICB3cml0ZV9sb29wKG1uLT5mZHNbaV0sIGJ1ZiwgbGVuKTsKKwkJICAgIGlmICh3cml0ZV9sb29w KG1uLT5mZHNbaV0sIGJ1ZiwgbGVuKSA8IDApCisJCQlicmVhazsKIAkgICAgfQogCX0gZWxzZSB7 CiAJICAgIC8qIGNhdCBwcm9jZXNzICovCkBAIC0yMzE0LDcgKzIzMTUsOCBAQCBjbG9zZW1uKHN0 cnVjdCBtdWx0aW8gKiptZmRzLCBpbnQgZmQsIGludCB0eXBlKQogCQkJZWxzZQogCQkJICAgIGJy ZWFrOwogCQkgICAgfQotCQkgICAgd3JpdGVfbG9vcChtbi0+cGlwZSwgYnVmLCBsZW4pOworCQkg ICAgaWYgKHdyaXRlX2xvb3AobW4tPnBpcGUsIGJ1ZiwgbGVuKSA8IDApCisJCQlicmVhazsKIAkJ fQogCX0KIAlfZXhpdCgwKTsK --00000000000009033b060a4f0bd0--