diff options
| author | Andres Freund | 2025-02-24 10:39:27 +0000 |
|---|---|---|
| committer | Andres Freund | 2025-02-24 11:23:41 +0000 |
| commit | 5ee75e32fa734e8ae85ff096f1523be8e16e1b8d (patch) | |
| tree | 658cb18707e7dfa01c98ab14630e0d9ba9838626 /src/backend/storage | |
| parent | 418451bfe161e4b86c29f098e4d93b2347d35774 (diff) | |
Add static asserts for MAX_BACKENDS limiting factors
So far the various dependencies were documented in the comment above
MAX_BACKENDS, but not checked.
Discussion: https://postgr.es/m/CA+COZaBO_s3LfALq=b+HcBHFSOEGiApVjrRacCe4VP9m7CJsNQ@mail.gmail.com
Diffstat (limited to 'src/backend/storage')
| -rw-r--r-- | src/backend/storage/lmgr/deadlock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/storage/lmgr/deadlock.c b/src/backend/storage/lmgr/deadlock.c index dc6923f8132..c4bfaaa67ac 100644 --- a/src/backend/storage/lmgr/deadlock.c +++ b/src/backend/storage/lmgr/deadlock.c @@ -30,6 +30,7 @@ #include "pgstat.h" #include "storage/lmgr.h" #include "storage/proc.h" +#include "storage/procnumber.h" #include "utils/memutils.h" @@ -191,6 +192,8 @@ InitDeadLockChecking(void) * last MaxBackends entries in possibleConstraints[] are reserved as * output workspace for FindLockCycle. */ + StaticAssertStmt(MAX_BACKENDS_BITS <= (32 - 3), + "MAX_BACKENDS_BITS too big for * 4"); maxPossibleConstraints = MaxBackends * 4; possibleConstraints = (EDGE *) palloc(maxPossibleConstraints * sizeof(EDGE)); |