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Asked: 2026-05-31T17:02:24+00:00

I want to use shared memory across processes and wanted to use the robust

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I want to use shared memory across processes and wanted to use the robust pthread mutexes for the same, because, they can help with the problem when a process dies holding the mutex. My only concern is, are they portable across different platforms – different versions of linux and then on different operating systems too? The earlier versions of pthread.h have just the _NP versions ofPTHREAD_MUTEX_ROBUST attribute. I could not find much documentation about the portability online.

Would really appreciate any repsonse on the same.

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  1. Editorial Team

    POSIX mandates pthread_mutexattr_getrobust. And hence all POSIX compliant systems should support it. Also note that pthread_mutexattr_getrobust was first introduced in Issue 7. ie POSIX:2008 Do check this on the systems where you want to port.

    On the latest linux variants, I think you should be safe.

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