diff options
Diffstat (limited to 'src/include/pg_config_manual.h')
| -rw-r--r-- | src/include/pg_config_manual.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h index d78f38e3bd5..195fb262811 100644 --- a/src/include/pg_config_manual.h +++ b/src/include/pg_config_manual.h @@ -65,6 +65,14 @@ #define NUM_SPINLOCK_SEMAPHORES 1024 /* + * When we have neither spinlocks nor atomic operations support we're + * implementing atomic operations on top of spinlock on top of semaphores. To + * be safe against atomic operations while holding a spinlock separate + * semaphores have to be used. + */ +#define NUM_ATOMICS_SEMAPHORES 64 + +/* * Define this if you want to allow the lo_import and lo_export SQL * functions to be executed by ordinary users. By default these * functions are only available to the Postgres superuser. CAUTION: |