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0B Remove unused, and dangerous, TestLatch() macro. · postgrespro/postgres_cluster@fad0f9d · GitHub
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anarazelanarazel
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Remove unused, and dangerous, TestLatch() macro.
The macro has not seen any in-tree use since latches had been introduced in 2746e5f, in 2010.
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‎src/include/storage/latch.h

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@@ -116,8 +116,6 @@ extern int WaitLatchOrSocket(volatile Latch *latch, int wakeEvents,
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extern void SetLatch(volatile Latch *latch);
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extern void ResetLatch(volatile Latch *latch);
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/* beware of memory ordering issues if you use this macro! */
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#define TestLatch(latch) (((volatile Latch *) (latch))->is_set)
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/*
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* Unix implementation uses SIGUSR1 for inter-process signaling.

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