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Introduce timed waits for condition variables.

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Provide ConditionVariableTimedSleep(), like ConditionVariableSleep()
but with a timeout argument.

Author: Shawn Debnath
Reviewed-by: Kyotaro Horiguchi, Thomas Munro
Discussion: https://postgr.es/m/eeb06007ccfe46e399df6af18bfcd15a@EX13D05UWC002.ant.amazon.com
This commit is contained in:
Thomas Munro
2019-07-13 13:40:36 +12:00
parent b31fbe852c
commit 1321509fa4
2 changed files with 56 additions and 7 deletions
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2
src/include/storage/condition_variable.h
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@@ -43,6 +43,8 @@ extern void ConditionVariableInit(ConditionVariable *cv);
* the condition variable.
*/
extern void ConditionVariableSleep(ConditionVariable *cv, uint32 wait_event_info);
extern bool ConditionVariableTimedSleep(ConditionVariable *cv, long timeout,
uint32 wait_event_info);
extern void ConditionVariableCancelSleep(void);
/*