(0.38) Handle lock reservation in single thread mode #16840
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Cancel reservation on blocking enter in single thread mode to prevent throwing blocking exceptions on uncontended acquires. This PR just attempts to cancel the reservation once and acquire the lock again. We only need to attempt the cancel once since its single thread mode. Signed-off-by: Tobi Ajila <atobia@ca.ibm.com>
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@pshipton Please review and merge |
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@babsingh Peter is away, can you take a look |
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backport of #16812 |
babsingh
approved these changes
Mar 7, 2023
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(0.38) Handle lock reservation in single thread mode
Cancel reservation on blocking enter in single thread mode to prevent throwing blocking exceptions on uncontended acquires. This PR just attempts to cancel the reservation once and acquire the lock again. We only need to attempt the cancel once since its single thread mode.