use C linkage where appropriate in headers

Assure that 'extern "C" { /../ }' do not cover files included from a
particular header file, and address minor issues resulting from this
change of order.

use C linkage where appropriate in headers

Assure that 'extern "C" { /../ }' do not cover files included from a
particular header file, and address minor issues resulting from this
change of order.

Dealing with C++ should delegate to the individual include file level,
rather than being imposed by the user of that file. For example,
forcing C linkage prevents __Generic macros being replaced with
overloaded static inline functions in C++ translation units.

Eliminate 'extern "C"' from files which do not declare any symbols
(e.g., only macros or struct types).

On the other hand, the headers check is too naive in assuming that all
headers must contain a 'extern "C"'. Such a check was added in commit
1ee492bdc4ff ("buildtools/chkincs: check missing C++ guards").
Since this current change results in many headers not containing such
a token, remove the check for 'extern "C"' until we have a better
implementation.

Signed-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Signed-off-by: David Marchand <david.marchand@redhat.com>

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lib: introduce dispatcher library

The purpose of the dispatcher library is to help reduce coupling in an
Eventdev-based DPDK application.

In addition, the dispatcher also provides a convenient and

lib: introduce dispatcher library

The purpose of the dispatcher library is to help reduce coupling in an
Eventdev-based DPDK application.

In addition, the dispatcher also provides a convenient and flexible
way for the application to use service cores for application-level
processing.

Signed-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>
Tested-by: Peter Nilsson <peter.j.nilsson@ericsson.com>
Reviewed-by: Heng Wang <heng.wang@ericsson.com>

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