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| author | Vincent Michel <vxgmichel@gmail.com> | 2021-09-09 13:12:03 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-09 13:12:03 (GMT) |
| commit | 06148b1870fceb1a21738761b8e1ac3bf654319b (patch) | |
| tree | 183f403c348be7ed36f8fc93ec63c32c46688e68 /Modules/posixmodule.c | |
| parent | 04676b69466d2e6d2903f1c6879d2cb292721455 (diff) | |
| download | cpython-06148b1870fceb1a21738761b8e1ac3bf654319b.zip cpython-06148b1870fceb1a21738761b8e1ac3bf654319b.tar.gz cpython-06148b1870fceb1a21738761b8e1ac3bf654319b.tar.bz2 | |
bpo-44219: Release the GIL during isatty syscalls (GH-28250)
Release the GIL while performing isatty() system calls on arbitrary
file descriptors. In particular, this affects os.isatty(),
os.device_encoding() and io.TextIOWrapper. By extension,
io.open() in text mode is also affected.
Diffstat (limited to 'Modules/posixmodule.c')
| -rw-r--r-- | Modules/posixmodule.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 89659ae..609f10b 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -10066,9 +10066,11 @@ os_isatty_impl(PyObject *module, int fd) /*[clinic end generated code: output=6a48c8b4e644ca00 input=08ce94aa1eaf7b5e]*/ { int return_value; + Py_BEGIN_ALLOW_THREADS _Py_BEGIN_SUPPRESS_IPH return_value = isatty(fd); _Py_END_SUPPRESS_IPH + Py_END_ALLOW_THREADS return return_value; } |