disable buffering of stdout, stderr #1347
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I find I only need this for Cygwin. I get output on Mac and Linux fine without this. In addition for Cygwin I auto-detect if the debugger is attached, if yes then make these calls. |
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My understanding is that we need this since file descriptor 1 and 2 might be a non-TTY, in which case libc will not flush the buffer per every line feed (or at least it is permitted to regardless of what the operating system is). |
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fixes #1345