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Reorganize our CRC source files again.

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Now that we use CRC-32C in WAL and the control file, the "traditional" and
"legacy" CRC-32 variants are not used in any frontend programs anymore.
Move the code for those back from src/common to src/backend/utils/hash.

Also move the slicing-by-8 implementation (back) to src/port. This is in
preparation for next patch that will add another implementation that uses
Intel SSE 4.2 instructions to calculate CRC-32C, where available.
This commit is contained in:
Heikki Linnakangas
2015-04-14 17:03:42 +03:00
parent d577bb868d
commit 4f700bcd20
25 changed files with 211 additions and 181 deletions
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4
src/backend/replication/slot.c
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@@ -56,7 +56,7 @@ typedef struct ReplicationSlotOnDisk
/* data not covered by checksum */
uint32 magic;
pg_crc32 checksum;
pg_crc32c checksum;
/* data covered by checksum */
uint32 version;
@@ -1075,7 +1075,7 @@ RestoreSlotFromDisk(const char *name)
int fd;
bool restored = false;
int readBytes;
pg_crc32 checksum;
pg_crc32c checksum;
/* no need to lock here, no concurrent access allowed yet */