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Katherine Ward wrote:

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> Changes to avoid collisions with WIN32 & MFC names...
> 1.  Renamed:
>       a.  PROC => PGPROC
>       b.  GetUserName() => GetUserNameFromId()
>       c.  GetCurrentTime() => GetCurrentDateTime()
>       d.  IGNORE => IGNORE_DTF in include/utils/datetime.h & utils/adt/datetim
>
> 2.  Added _P to some lex/yacc tokens:
>       CONST, CHAR, DELETE, FLOAT, GROUP, IN, OUT

Jan
This commit is contained in:
Jan Wieck
2002-06-11 13:40:53 +00:00
parent 3b993acf19
commit 469cb65aca
34 changed files with 306 additions and 306 deletions
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22
src/backend/storage/lmgr/lwlock.c
View File

@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lwlock.c,v 1.10 2002/05/05 00:03:28 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lwlock.c,v 1.11 2002/06/11 13:40:51 wieck Exp $
*
*-------------------------------------------------------------------------
*/
@@ -29,12 +29,12 @@
typedef struct LWLock
{
slock_t mutex; /* Protects LWLock and queue of PROCs */
slock_t mutex; /* Protects LWLock and queue of PGPROCs */
bool releaseOK; /* T if ok to release waiters */
char exclusive; /* # of exclusive holders (0 or 1) */
int shared; /* # of shared holders (0..MaxBackends) */
PROC *head; /* head of list of waiting PROCs */
PROC *tail; /* tail of list of waiting PROCs */
PGPROC *head; /* head of list of waiting PGPROCs */
PGPROC *tail; /* tail of list of waiting PGPROCs */
/* tail is undefined when head is NULL */
} LWLock;
@@ -197,7 +197,7 @@ void
LWLockAcquire(LWLockId lockid, LWLockMode mode)
{
volatile LWLock *lock = LWLockArray + lockid;
PROC *proc = MyProc;
PGPROC *proc = MyProc;
bool retry = false;
int extraWaits = 0;
@@ -266,12 +266,12 @@ LWLockAcquire(LWLockId lockid, LWLockMode mode)
/*
* Add myself to wait queue.
*
* If we don't have a PROC structure, there's no way to wait. This
* If we don't have a PGPROC structure, there's no way to wait. This
* should never occur, since MyProc should only be null during
* shared memory initialization.
*/
if (proc == NULL)
elog(FATAL, "LWLockAcquire: can't wait without a PROC structure");
elog(FATAL, "LWLockAcquire: can't wait without a PGPROC structure");
proc->lwWaiting = true;
proc->lwExclusive = (mode == LW_EXCLUSIVE);
@@ -401,8 +401,8 @@ void
LWLockRelease(LWLockId lockid)
{
volatile LWLock *lock = LWLockArray + lockid;
PROC *head;
PROC *proc;
PGPROC *head;
PGPROC *proc;
int i;
PRINT_LWDEBUG("LWLockRelease", lockid, lock);
@@ -446,7 +446,7 @@ LWLockRelease(LWLockId lockid)
if (lock->exclusive == 0 && lock->shared == 0 && lock->releaseOK)
{
/*
* Remove the to-be-awakened PROCs from the queue. If the
* Remove the to-be-awakened PGPROCs from the queue. If the
* front waiter wants exclusive lock, awaken him only.
* Otherwise awaken as many waiters as want shared access.
*/
@@ -459,7 +459,7 @@ LWLockRelease(LWLockId lockid)
proc = proc->lwWaitLink;
}
}
/* proc is now the last PROC to be released */
/* proc is now the last PGPROC to be released */
lock->head = proc->lwWaitLink;
proc->lwWaitLink = NULL;
/* prevent additional wakeups until retryer gets to run */