| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Magnus Hagander" <mha(at)sollentuna(dot)net> |
| Cc: | "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: Win32 semaphore patch |
| Date: | 2006-04-20 18:20:07 |
| Message-ID: | 26606.1145557207@sss.pgh.pa.us |
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| Lists: | pgsql-patches |
"Magnus Hagander" <mha(at)sollentuna(dot)net> writes:
> For #2, yes, the semaphores will go away when the last process holding a
> HANDLE to it goes away.
Well, that raises an interesting point: exactly where in this code does
ownership of the HANDLEs get propagated to the child processes? As
written, the HANDLEs seem to belong only to the postmaster --- will the
kernel calls even work in the child processes? According to what
someone was telling me the other day, HANDLEs are process-local, so just
storing them in shared memory doesn't seem like it should work.
regards, tom lane
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