Comments (2)
@philippewarren I faced the same issue on Windows when trying to create std::Popen with subprocess::Popen(command, sp::output{sp::PIPE});
. I tried your suggested solution and it worked fine but what I don't understand is
- std::async with std::launch::async policy is supposed to run the lambda function in a new thread so the primary thread of the parent process shouldn't be blocked. Why is it blocked without std::future?
from cpp-subprocess.
If the std:: future
is not bound, it is destroyed, and its destructor joins on the async thread, which is why it blocks.
Source: https://en.cppreference.com/w/cpp/thread/async
from cpp-subprocess.
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from cpp-subprocess.