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Fix outdated comment; all running bgworkers are in BackendList

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Before commit 8a02b3d732, only bgworkers that connected to a database
had an entry in the Backendlist. Commit 8a02b3d732 changed that, but
forgot to update this comment.

Discussion: https://www.postgresql.org/message-id/835232c0-a5f7-4f20-b95b-5b56ba57d741@iki.fi
This commit is contained in:
Heikki Linnakangas 2024-08-01 23:23:47 +03:00
parent 3188a4582a
commit ef4c35b416
1 changed files with 4 additions and 4 deletions
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8
src/include/postmaster/bgworker_internals.h
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@ -26,14 +26,14 @@
/* /*
* List of background workers, private to postmaster. * List of background workers, private to postmaster.
* *
* A worker that requests a database connection during registration will have * All workers that are currently running will have rw_backend set, and will
* rw_backend set, and will be present in BackendList. Note: do not rely on * be present in BackendList.
* rw_backend being non-NULL for shmem-connected workers!
*/ */
typedef struct RegisteredBgWorker typedef struct RegisteredBgWorker
{ {
BackgroundWorker rw_worker; /* its registry entry */ BackgroundWorker rw_worker; /* its registry entry */
struct bkend *rw_backend; /* its BackendList entry, or NULL */ struct bkend *rw_backend; /* its BackendList entry, or NULL if not
* running */
pid_t rw_pid; /* 0 if not running */ pid_t rw_pid; /* 0 if not running */
int rw_child_slot; int rw_child_slot;
TimestampTz rw_crashed_at; /* if not 0, time it last crashed */ TimestampTz rw_crashed_at; /* if not 0, time it last crashed */