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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-12-27 20:58:58 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-12-27 20:58:58 +0000 |
| commit | f8eed65dfb580f0971e2e6ead83135bfa3ddeb06 (patch) | |
| tree | 5fd8b3b152cfa785e14a4489b628081a67dcf2d9 /src/backend/access/gist/gist.c | |
| parent | 2cdace962b5fd56a4bd2fae1c1ba6e99434f33f3 (diff) | |
| download | postgresql-f8eed65dfb580f0971e2e6ead83135bfa3ddeb06.tar.gz postgresql-f8eed65dfb580f0971e2e6ead83135bfa3ddeb06.zip | |
Improve spinlock code for recent x86 processors: insert a PAUSE
instruction in the s_lock() wait loop, and use test before test-and-set
in TAS() macro to avoid unnecessary bus traffic. Patch from Manfred
Spraul, reworked a bit by Tom.
Diffstat (limited to 'src/backend/access/gist/gist.c')
0 files changed, 0 insertions, 0 deletions