diff options
| -rw-r--r-- | src/backend/storage/ipc/procsignal.c | 3 | ||||
| -rw-r--r-- | src/backend/storage/ipc/sinvaladt.c | 3 | ||||
| -rw-r--r-- | src/include/miscadmin.h | 2 |
3 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/storage/ipc/procsignal.c b/src/backend/storage/ipc/procsignal.c index a3c2cd12277..1a4cc5e5d97 100644 --- a/src/backend/storage/ipc/procsignal.c +++ b/src/backend/storage/ipc/procsignal.c @@ -89,7 +89,8 @@ struct ProcSignalHeader /* * We reserve a slot for each possible ProcNumber, plus one for each * possible auxiliary process type. (This scheme assumes there is not - * more than one of any auxiliary process type at a time.) + * more than one of any auxiliary process type at a time, except for + * IO workers.) */ #define NumProcSignalSlots (MaxBackends + NUM_AUXILIARY_PROCS) diff --git a/src/backend/storage/ipc/sinvaladt.c b/src/backend/storage/ipc/sinvaladt.c index 2da91738c32..c5748b690f4 100644 --- a/src/backend/storage/ipc/sinvaladt.c +++ b/src/backend/storage/ipc/sinvaladt.c @@ -198,7 +198,8 @@ typedef struct SISeg /* * We reserve a slot for each possible ProcNumber, plus one for each * possible auxiliary process type. (This scheme assumes there is not - * more than one of any auxiliary process type at a time.) + * more than one of any auxiliary process type at a time, except for + * IO workers.) */ #define NumProcStateSlots (MaxBackends + NUM_AUXILIARY_PROCS) diff --git a/src/include/miscadmin.h b/src/include/miscadmin.h index 72f5655fb34..629772b0381 100644 --- a/src/include/miscadmin.h +++ b/src/include/miscadmin.h @@ -353,7 +353,7 @@ typedef enum BackendType * Auxiliary processes. These have PGPROC entries, but they are not * attached to any particular database, and cannot run transactions or * even take heavyweight locks. There can be only one of each of these - * running at a time. + * running at a time, except for IO workers. * * If you modify these, make sure to update NUM_AUXILIARY_PROCS and the * glossary in the docs. |