Adding enum return type for SafeProcessMap

[NemanjaTrifunovicRTRK]

Description

Extends SafeProcessMap with an enum class for the return value of public methods.

Changes

• score/launch_manager/daemon/src/process_group_manager/details/safe_process_map.hpp

  • Updated public API with the enum class return value

• score/launch_manager/daemon/src/process_group_manager/details/safe_process_map.cpp

  • Updated public API with the enum class return value

• score/launch_manager/daemon/src/process_group_manager/details/process_info_node.cpp

  • Added comparison with the enum class return value

• score/launch_manager/daemon/src/process_group_manager/details/os_handler.cpp

  • Added comparison with the enum class return value

• score/launch_manager/daemon/src/process_group_manager/details/oshandler_UT.cpp

  • Updated Unit Tests

• score/launch_manager/daemon/src/process_group_manager/details/safeprocessmap_UT.cpp

  • Updated Unit Tests

Notes

Only the public API is changed, the private method API and logic are not changed.

Verification

Verified with successful build and test execution

bazel build --config=x86_64-linux  //score/...
bazel test //examples/... --config=x86_64-linux --test_output=all --test_arg=-s
bazel test --config=x86_64-linux  //score/...

Closes #222

[github-actions]

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The created documentation from the pull request is available at: docu-html