C++ mutex in namespace std does not name a type

Question

I\'m writing a simple C++ program to demonstrate the use of locks. I am using codeblocks and gnu gcc compiler.

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Answer 1

Mutex, at least, is not supported in 'Thread model: win32' of the Mingw-builds toolchains. You must select any of the toolchains with 'Thread model: posix'. After trying with several versions and revisions (both architectures i686 and x86_64) I only found support in x86_64-4.9.2-posix-seh-rt_v3-rev1 being the thread model, IMO, the determining factor.