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WIP: Fix iostream when used with nogil #1368

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Merged
wjakob merged 1 commit into from
Jun 11, 2019
Merged

WIP: Fix iostream when used with nogil #1368

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7 changes: 5 additions & 2 deletions include/pybind11/iostream.h
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Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,11 @@ class pythonbuf : public std::streambuf {
// This subtraction cannot be negative, so dropping the sign
str line(pbase(), static_cast<size_t>(pptr() - pbase()));

pywrite(line);
pyflush();
{
gil_scoped_acquire tmp;
pywrite(line);
pyflush();
}

setp(pbase(), epptr());
}
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