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Fix crash in multi_copy test

cmake_branch_point
Brian Cloutier 2018-04-11 11:25:07 -07:00
parent 21bd5654c0
commit c088f85b73
1 changed files with 7 additions and 3 deletions
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10
src/backend/distributed/connection/remote_commands.c
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@ -992,13 +992,17 @@ BuildWaitEventSet(MultiConnection **allConnections, int totalConnectionCount,
WaitEventSet *waitEventSet = NULL;
int connectionIndex = 0;
/* we subtract 2 to make room for the WL_POSTMASTER_DEATH and WL_LATCH_SET events */
if (pendingConnectionCount > FD_SETSIZE - 2)
/*
* subtract 3 to make room for WL_POSTMASTER_DEATH, WL_LATCH_SET, and
* pgwin32_signal_event.
*/
if (pendingConnectionCount > FD_SETSIZE - 3)
{
pendingConnectionCount = FD_SETSIZE - 2;
pendingConnectionCount = FD_SETSIZE - 3;
}
/* allocate pending connections + 2 for the signal latch and postmaster death */
/* (CreateWaitEventSet makes room for pgwin32_signal_event automatically) */
waitEventSet = CreateWaitEventSet(CurrentMemoryContext, pendingConnectionCount + 2);
for (connectionIndex = 0; connectionIndex < pendingConnectionCount; connectionIndex++)