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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2015-02-20 17:32:01 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2015-02-20 17:32:01 -0500 |
| commit | 33a3b03d636b529b27f869e332b6344d52635331 (patch) | |
| tree | c5227d0a7013626e9fa9c0973075de224bd4fa33 /src/backend/access/transam/multixact.c | |
| parent | c110eff1324f5c882c737ad988191ed4a54c4936 (diff) | |
| download | postgresql-33a3b03d636b529b27f869e332b6344d52635331.tar.gz postgresql-33a3b03d636b529b27f869e332b6344d52635331.zip | |
Use FLEXIBLE_ARRAY_MEMBER in some more places.
Fix a batch of structs that are only visible within individual .c files.
Michael Paquier
Diffstat (limited to 'src/backend/access/transam/multixact.c')
| -rw-r--r-- | src/backend/access/transam/multixact.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/access/transam/multixact.c b/src/backend/access/transam/multixact.c index b2cf770f9f7..f9ca0283e25 100644 --- a/src/backend/access/transam/multixact.c +++ b/src/backend/access/transam/multixact.c @@ -258,7 +258,7 @@ typedef struct MultiXactStateData * stored in pg_control and used as truncation point for pg_multixact. At * checkpoint or restartpoint, unneeded segments are removed. */ - MultiXactId perBackendXactIds[1]; /* VARIABLE LENGTH ARRAY */ + MultiXactId perBackendXactIds[FLEXIBLE_ARRAY_MEMBER]; } MultiXactStateData; /* @@ -1744,8 +1744,9 @@ MultiXactShmemSize(void) { Size size; + /* We need 2*MaxOldestSlot + 1 perBackendXactIds[] entries */ #define SHARED_MULTIXACT_STATE_SIZE \ - add_size(sizeof(MultiXactStateData), \ + add_size(offsetof(MultiXactStateData, perBackendXactIds) + sizeof(MultiXactId), \ mul_size(sizeof(MultiXactId) * 2, MaxOldestSlot)) size = SHARED_MULTIXACT_STATE_SIZE; |