v4.1.x: Unlink and rebind socket when session directory already exists #9266
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jsquyres merged 1 commit intoopen-mpi:v4.1.xfrom Aug 29, 2021
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awlauria
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The session directory created during the mpi process execution sometimes will be left without cleanup even after the process terminates, this scenario mostly happens when orte daemon is SIGKILL'd. This ensures the smooth socket binding, by unlinking the exisiting socket file (if any exists in the session_directory) and rebinding it, thus avoiding bind() failure due to unclean session directories. Signed-off-by: Austen Lauria <awlauria@us.ibm.com> (cherry picked from commit e228a1c)
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The session directory created during the mpi process execution
sometimes will be left without cleanup even after the process
terminates, this scenario mostly happens when orte daemon is SIGKILL'd.
This ensures the smooth socket binding, by unlinking the exisiting
socket file (if any exists in the session_directory) and rebinding it, thus
avoiding bind() failure due to unclean session directories.
Signed-off-by: Austen Lauria awlauria@us.ibm.com
(cherry picked from commit e228a1c)