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Ensure that we only create one ConsoleCtrlHandler per psql process,

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so as to avoid performance issues and possible ultimate crash on long
psql scripts.  Per Merlin Moncure.
This commit is contained in:
Tom Lane 2005-11-04 18:35:51 +00:00
parent 0c1a3f94c6
commit 6d8476ab3b
1 changed files with 9 additions and 2 deletions
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11
src/bin/psql/common.c
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@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2005, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/common.c,v 1.95 2005/01/01 05:43:08 momjian Exp $
* $PostgreSQL: pgsql/src/bin/psql/common.c,v 1.95.4.1 2005/11/04 18:35:51 tgl Exp $
*/
#include "postgres_fe.h"
#include "common.h"
@ -315,7 +315,14 @@ setup_win32_locks(void)
void
setup_cancel_handler(void)
{
SetConsoleCtrlHandler(consoleHandler, TRUE);
static bool done = false;
/* only need one handler per process */
if (!done)
{
SetConsoleCtrlHandler(consoleHandler, TRUE);
done = true;
}
}
#endif /* WIN32 */