diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/ipc/ipci.c | 6 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc_tables.c | 12 |
2 files changed, 17 insertions, 1 deletions
diff --git a/src/backend/storage/ipc/ipci.c b/src/backend/storage/ipc/ipci.c index 2100150f01c..ca930af08f2 100644 --- a/src/backend/storage/ipc/ipci.c +++ b/src/backend/storage/ipc/ipci.c @@ -372,11 +372,12 @@ InitializeShmemGUCs(void) Size size_b; Size size_mb; Size hp_size; + int num_semas; /* * Calculate the shared memory size and round up to the nearest megabyte. */ - size_b = CalculateShmemSize(NULL); + size_b = CalculateShmemSize(&num_semas); size_mb = add_size(size_b, (1024 * 1024) - 1) / (1024 * 1024); sprintf(buf, "%zu", size_mb); SetConfigOption("shared_memory_size", buf, @@ -395,4 +396,7 @@ InitializeShmemGUCs(void) SetConfigOption("shared_memory_size_in_huge_pages", buf, PGC_INTERNAL, PGC_S_DYNAMIC_DEFAULT); } + + sprintf(buf, "%d", num_semas); + SetConfigOption("num_os_semaphores", buf, PGC_INTERNAL, PGC_S_DYNAMIC_DEFAULT); } diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c index f6fcdebb031..6a623f5f342 100644 --- a/src/backend/utils/misc/guc_tables.c +++ b/src/backend/utils/misc/guc_tables.c @@ -591,6 +591,7 @@ static int segment_size; static int shared_memory_size_mb; static int shared_memory_size_in_huge_pages; static int wal_block_size; +static int num_os_semaphores; static bool data_checksums; static bool integer_datetimes; @@ -2284,6 +2285,17 @@ struct config_int ConfigureNamesInt[] = }, { + {"num_os_semaphores", PGC_INTERNAL, PRESET_OPTIONS, + gettext_noop("Shows the number of semaphores required for the server."), + NULL, + GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE | GUC_RUNTIME_COMPUTED + }, + &num_os_semaphores, + 0, 0, INT_MAX, + NULL, NULL, NULL + }, + + { {"commit_timestamp_buffers", PGC_POSTMASTER, RESOURCES_MEM, gettext_noop("Sets the size of the dedicated buffer pool used for the commit timestamp cache."), gettext_noop("Specify 0 to have this value determined as a fraction of shared_buffers."), |