diff options
Diffstat (limited to 'src/include/storage/buf_internals.h')
| -rw-r--r-- | src/include/storage/buf_internals.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/include/storage/buf_internals.h b/src/include/storage/buf_internals.h index fc15e59859b..ae417118878 100644 --- a/src/include/storage/buf_internals.h +++ b/src/include/storage/buf_internals.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: buf_internals.h,v 1.43 2000/11/08 22:10:02 tgl Exp $ + * $Id: buf_internals.h,v 1.44 2000/11/28 23:27:57 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -16,6 +16,7 @@ #include "storage/buf.h" #include "storage/lmgr.h" +#include "storage/s_lock.h" /* Buf Mgr constants */ /* in bufmgr.c */ @@ -100,11 +101,9 @@ typedef struct sbufdesc BufFlags flags; /* see bit definitions above */ unsigned refcount; /* # of times buffer is pinned */ -#ifdef HAS_TEST_AND_SET - /* can afford a dedicated lock if test-and-set locks are available */ - slock_t io_in_progress_lock; + slock_t io_in_progress_lock; /* to block for I/O to complete */ slock_t cntx_lock; /* to lock access to page context */ -#endif /* HAS_TEST_AND_SET */ + unsigned r_locks; /* # of shared locks */ bool ri_lock; /* read-intent lock */ bool w_lock; /* context exclusively locked */ |