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-rw-r--r--Modules/_multiprocessing/pipe_connection.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/Modules/_multiprocessing/pipe_connection.c b/Modules/_multiprocessing/pipe_connection.c
index 27e79dd..66947c8 100644
--- a/Modules/_multiprocessing/pipe_connection.c
+++ b/Modules/_multiprocessing/pipe_connection.c
@@ -23,6 +23,12 @@ conn_send_string(ConnectionObject *conn, char *string, size_t length)
Py_BEGIN_ALLOW_THREADS
ret = WriteFile(conn->handle, string, length, &amount_written, NULL);
Py_END_ALLOW_THREADS
+
+ if (ret == 0 && GetLastError() == ERROR_NO_SYSTEM_RESOURCES) {
+ PyErr_Format(PyExc_ValueError, "Cannnot send %" PY_FORMAT_SIZE_T "d bytes over connection", length);
+ return MP_STANDARD_ERROR;
+ }
+
return ret ? MP_SUCCESS : MP_STANDARD_ERROR;
}