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Ensure that we only create one ConsoleCtrlHandler per psql process, 

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 18:35:40 +00:00
parent 081ed99b1e
commit af331e2526
1 changed files with 11 additions and 2 deletions
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13
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 1.109 2005/10/27 13:34:47 momjian Exp $
* $PostgreSQL: pgsql/src/bin/psql/common.c,v 1.110 2005/11/04 18:35:40 tgl Exp $
*/
#include "postgres_fe.h"
#include "common.h"
@ -268,6 +268,7 @@ handle_sigint(SIGNAL_ARGS)
}
errno = save_errno; /* just in case the write changed it */
}
#else /* WIN32 */
static BOOL WINAPI
@ -313,8 +314,16 @@ 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 */