Re: thread_test.c problems
От | Bruce Momjian |
---|---|
Тема | Re: thread_test.c problems |
Дата | |
Msg-id | 200404050223.i352NO814657@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: thread_test.c problems (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-general |
Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > wespvp@syntegra.com wrote: > > have you tried adding a volatile keyword to the > > int volatile errno1_set = 0; > > int volatile errno2_set = 0; > > > > I have applied the following patch to CVS head which does a getpid() in > > the loop, rather than nothing. > > That does not cure the bug identified by wespvp. It may make it a > little less likely that the compiler will choose to optimize out the > loop test, but only adding "volatile" really fixes the problem in > a language-standard-compliant way. Thanks, 'volatile' added to the thread-specific errno variables: volatile int errno1_set = 0; volatile int errno2_set = 0; -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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