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| author | Thomas Munro <tmunro@postgresql.org> | 2021-08-13 10:38:22 +1200 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2021-08-13 11:09:00 +1200 |
| commit | 88cbbbfa3e2b0d38d6047af83764f140face5991 (patch) | |
| tree | 1ef9db7755eace29e68329fc4eb6a19fbe205738 /src/backend/utils/init/postinit.c | |
| parent | 650663b4cb4714a34d7171981de4392486a85f86 (diff) | |
| download | postgresql-88cbbbfa3e2b0d38d6047af83764f140face5991.tar.gz postgresql-88cbbbfa3e2b0d38d6047af83764f140face5991.zip | |
Make EXEC_BACKEND more convenient on macOS.
It's hard to disable ASLR on current macOS releases, for testing with
-DEXEC_BACKEND. You could already set the environment variable
PG_SHMEM_ADDR to something not likely to collide with mappings created
earlier in process startup. Let's also provide a default value that
works on current releases and architectures, for developer convenience.
As noted in the pre-existing comment, this is a horrible hack, but
-DEXEC_BACKEND is only used by Unix-based PostgreSQL developers for
testing some otherwise Windows-only code paths, so it seems excusable.
Back-patch to all supported branches.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/20210806032944.m4tz7j2w47mant26%40alap3.anarazel.de
Diffstat (limited to 'src/backend/utils/init/postinit.c')
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