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Rename locking structure names to be clearer. Add narrative to

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backend flowchart.
This commit is contained in:
Bruce Momjian
1998-06-30 02:33:34 +00:00
parent f21fa6a773
commit 2584029e31
9 changed files with 324 additions and 311 deletions
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12
src/backend/storage/lmgr/proc.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.38 1998/06/27 15:47:46 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.39 1998/06/30 02:33:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -46,7 +46,7 @@
* This is so that we can support more backends. (system-wide semaphore
* sets run out pretty fast.) -ay 4/95
*
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.38 1998/06/27 15:47:46 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.39 1998/06/30 02:33:32 momjian Exp $
*/
#include <sys/time.h>
#include <unistd.h>
@ -580,7 +580,7 @@ ProcWakeup(PROC *proc, int errType)
* released.
*/
int
ProcLockWakeup(PROC_QUEUE *queue, char *ltable, char *lock)
ProcLockWakeup(PROC_QUEUE *queue, LOCKMETHOD lockmethod, LOCK *lock)
{
PROC *proc;
int count;
@ -590,8 +590,8 @@ ProcLockWakeup(PROC_QUEUE *queue, char *ltable, char *lock)
proc = (PROC *) MAKE_PTR(queue->links.prev);
count = 0;
while ((LockResolveConflicts((LOCKTAB *) ltable,
(LOCK *) lock,
while ((LockResolveConflicts(lockmethod,
lock,
proc->token,
proc->xid) == STATUS_OK))
{
@ -602,7 +602,7 @@ ProcLockWakeup(PROC_QUEUE *queue, char *ltable, char *lock)
* between the time we release the lock master (spinlock) and the
* time that the awoken process begins executing again.
*/
GrantLock((LOCK *) lock, proc->token);
GrantLock(lock, proc->token);
queue->size--;
/*