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Valgrind "client requests" in aset.c and mcxt.c teach Valgrind and its Memcheck tool about the PostgreSQL allocator. This makes Valgrind roughly as sensitive to memory errors involving palloc chunks as it is to memory errors involving malloc chunks. Further client requests in PageAddItem() and printtup() verify that all bits being added to a buffer page or furnished to an output function are predictably-defined. Those tests catch failures of C-language functions to fully initialize the bits of a Datum, which in turn stymie optimizations that rely on _equalConst(). Define the USE_VALGRIND symbol in pg_config_manual.h to enable these additions. An included "suppression file" silences nominal errors we don't plan to fix. Reviewed in earlier versions by Peter Geoghegan and Korry Douglas. |
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| bootstrap | ||
| catalog | ||
| commands | ||
| executor | ||
| foreign | ||
| lib | ||
| libpq | ||
| main | ||
| nodes | ||
| optimizer | ||
| parser | ||
| po | ||
| port | ||
| postmaster | ||
| regex | ||
| replication | ||
| rewrite | ||
| snowball | ||
| storage | ||
| tcop | ||
| tsearch | ||
| utils | ||
| .gitignore | ||
| common.mk | ||
| Makefile | ||
| nls.mk | ||