Does MinGW-w64 Support `std::thread` \'Out of the Box\' with Win32 Threading?

Does MinGW-w64 Support std::thread "Out of the Box" with Win32 Threading?

When using the Win32 threading model with the MinGW-w64 toolchain, some users encounter difficulties accessing std::thread. This issue stems from a misunderstanding of the toolchain's threading capabilities.

MinGW-w64 vs. POSIX Threading

While the POSIX threading model is supported out of the box in MinGW-w64, the Win32 model requires additional configuration. GCC does not provide native thread support, relying instead on gthreads or pthreads in glibc for threading. However, MinGW-w64 does not include a port of glibc.

pthreads and Win32 Threading

Recent versions of MinGW-w64 include a Win32 port of pthreads, allowing for thread support in the Win32 threading model. By selecting the "pthread" model during installation, users can enable this feature.

Solution

To use std::thread with the Win32 threading model, users have two options:

1. Install the mingw-std-threads headers, providing a Win32 implementation of the thread library.
2. Use the pthreads model during the MinGW-w64 installation process, which includes the necessary threaded runtime.

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