Wiki / Hooks

shmem_request_hook: core extension hook declared in src/include/miscadmin.h. The exact interface and call sites are recorded below.

Interface type

shmem_request_hook_type

Header

src/include/miscadmin.h

Subsystem

Startup and shared memory

Initial value

NULL (no hook installed)

signature

typedef void (*shmem_request_hook_type) (void); extern PGDLLIMPORT shmem_request_hook_type shmem_request_hook;