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New backend flag for needing a terminal.

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This commit is contained in:
Lars Brinkhoff
2020-02-18 15:16:26 +01:00
committed by Simon Tatham
parent e2b0e90c8c
commit ad6987e1b1
3 changed files with 13 additions and 0 deletions
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6
unix/uxplink.c
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@ -820,6 +820,12 @@ int main(int argc, char **argv)
return 1;
}
if (backvt->flags & BACKEND_NEEDS_TERMINAL) {
fprintf(stderr,
"Plink must have a terminal to run.\n");
return 1;
}
/*
* Block SIGPIPE, so that we'll get EPIPE individually on
* particular network connections that go wrong.