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Fix error handling for generalized requests #12392

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Fix error handling for generalized requests #12392

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Commits on May 6, 2024

  1. request: Fix multiple calls to ompi_request_complete() 

    A second call to ompi_request_complete() segfaults. Make it mostly an
non-op. Alternatively, the second invocation could generate an error, but
let's play safe for now.

Signed-off-by: Lisandro Dalcin <dalcinl@gmail.com>
    @dalcinl
    dalcinl committed May 6, 2024
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  2. request: Improve MPI_Request_free() error handling 

    If ompi_request_free() fails, use the ompi_errhandler_request_invoke()
machinery used in the wait/test routines. This will have the side-effect
of attempting to free the request a second time.

Signed-off-by: Lisandro Dalcin <dalcinl@gmail.com>
    @dalcinl
    dalcinl committed May 6, 2024
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  3. grequest: Fix MPI_Request_get_status() to propagate errors form query_fn 

    Signed-off-by: Lisandro Dalcin <dalcinl@gmail.com>
    @dalcinl
    dalcinl committed May 6, 2024
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  4. grequest: Fix propagation of errors from callback functions. 

    Signed-off-by: Lisandro Dalcin <dalcinl@gmail.com>
    @dalcinl
    dalcinl committed May 6, 2024
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