Make functions static where possible, enclose unused functions in #ifdef NOT_USED.

src/backend/storage/ipc/ipc.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.10 1997/01/08 08:32:01 bryanh Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.11 1997/08/19 21:32:54 momjian Exp $
  *
  * NOTES
  *
@@ -49,6 +49,8 @@ int UsePrivateMemory = 1;
 int UsePrivateMemory = 0;
 #endif
 
+static void IpcMemoryDetach(int status, char *shmaddr);
+
 /* ----------------------------------------------------------------
  *			exit() handling stuff
  * ----------------------------------------------------------------
@@ -312,6 +314,7 @@ IpcSemaphoreCreate(IpcSemaphoreKey semKey,
 /*									    */
 /*	note: the xxx_return variables are only used for debugging.	    */
 /****************************************************************************/
+#ifdef NOT_USED
 static int IpcSemaphoreSet_return;
 
 void
@@ -330,6 +333,7 @@ IpcSemaphoreSet(int semId, int semno, int value)
 	IpcConfigTip();
     }
 }
+#endif
 
 /****************************************************************************/
 /*   IpcSemaphoreKill(key)	- removes a semaphore			    */
@@ -513,7 +517,7 @@ IpcMemoryIdGet(IpcMemoryKey memKey, uint32 size)
 /*					from a backend address space	    */
 /*  (only called by backends running under the postmaster)		    */
 /****************************************************************************/
-void
+static void
 IpcMemoryDetach(int status, char *shmaddr)
 {
     if (shmdt(shmaddr) < 0) {

src/backend/storage/ipc/s_lock.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/s_lock.c,v 1.17 1997/08/17 02:39:54 scrappy Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/s_lock.c,v 1.18 1997/08/19 21:33:01 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -45,9 +45,9 @@
 #if defined(HAS_TEST_AND_SET)
 
 # if defined(__alpha__) && defined(linux)
-extern long int tas(slock_t *lock);
+static long int tas(slock_t *lock);
 # else
-extern int tas(slock_t *lock);
+static int tas(slock_t *lock);
 #endif
 
 #if defined (nextstep)
@@ -383,7 +383,7 @@ S_INIT_LOCK(unsigned char *addr)
 
 #if defined(NEED_I386_TAS_ASM)
 
-int
+static int
 tas(slock_t *m)
 {
     slock_t res;
@@ -415,7 +415,7 @@ S_INIT_LOCK(slock_t *lock)
 
 #if defined(__alpha__) && defined(linux)
 
-long int
+static long int
 tas(slock_t *m)
 {
     slock_t res;
@@ -459,7 +459,7 @@ S_INIT_LOCK(slock_t *lock)
 
 #if defined(linux) && defined(sparc)
  
-int 
+static int 
 tas(slock_t *m)
 {
   slock_t res;
@@ -492,7 +492,7 @@ S_INIT_LOCK(slock_t *lock)
 
 #if defined(NEED_NS32K_TAS_ASM)
 
-int
+static int
 tas(slock_t *m)
 {
     slock_t res = 0;

src/backend/storage/ipc/shmqueue.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/shmqueue.c,v 1.2 1996/11/03 05:06:58 scrappy Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/shmqueue.c,v 1.3 1997/08/19 21:33:06 momjian Exp $
  *
  * NOTES
  *
@@ -49,12 +49,14 @@ SHMQueueInit(SHM_QUEUE *queue)
  * SHMQueueIsDetached -- TRUE if element is not currently
  *	in a queue.
  */
+#ifdef NOT_USED
 bool
 SHMQueueIsDetached(SHM_QUEUE *queue)
 {
     Assert(SHM_PTR_VALID(queue));
     return ((queue)->prev == INVALID_OFFSET);
 }
+#endif
 
 /*
  * SHMQueueElemInit -- clear an element's links
@@ -146,6 +148,7 @@ dumpQ(SHM_QUEUE *q, char *s)
  * SHMQueueInsertHD -- put elem in queue between the queue head
  *	and its "prev" element.
  */
+#ifdef NOT_USED
 void
 SHMQueueInsertHD(SHM_QUEUE *queue, SHM_QUEUE *elem)
 {
@@ -168,6 +171,7 @@ SHMQueueInsertHD(SHM_QUEUE *queue, SHM_QUEUE *elem)
     dumpQ(queue, "in SHMQueueInsertHD: end");
 #endif /* SHMQUEUE_DEBUG_HD */
 }
+#endif
 
 void
 SHMQueueInsertTL(SHM_QUEUE *queue, SHM_QUEUE *elem)

src/backend/storage/ipc/spin.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/spin.c,v 1.4 1997/01/14 01:53:11 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/spin.c,v 1.5 1997/08/19 21:33:08 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -48,13 +48,6 @@ CreateSpinlocks(IPCKey key)
     return(TRUE); 
 }
 
-bool
-AttachSpinLocks(IPCKey key)
-{
-    /* the spin lock shared memory must have been attached by now */
-    return(TRUE);
-}
-
 bool
 InitSpinLocks(int init, IPCKey key)
 {
@@ -100,16 +93,26 @@ SpinRelease(SPINLOCK lock)
     ExclusiveUnlock(lock);
 }
 
-bool
+#else /* HAS_TEST_AND_SET */
+/* Spinlocks are implemented using SysV semaphores */
+
+static bool AttachSpinLocks(IPCKey key);
+static bool SpinIsLocked(SPINLOCK lock);
+
+
+static bool
+AttachSpinLocks(IPCKey key)
+{
+    /* the spin lock shared memory must have been attached by now */
+    return(TRUE);
+}
+
+static bool
 SpinIsLocked(SPINLOCK lock)
 {
     return(!LockIsFree(lock));
 }
 
-#else /* HAS_TEST_AND_SET */
-/* Spinlocks are implemented using SysV semaphores */
-
-
 /*
  * SpinAcquire -- try to grab a spinlock
  *
@@ -135,7 +138,7 @@ SpinRelease(SPINLOCK lock)
     IpcSemaphoreUnlock(SpinLockId, lock, IpcExclusiveLock);
 }
 
-bool
+static bool
 SpinIsLocked(SPINLOCK lock)
 {
     int semval;
@@ -176,7 +179,7 @@ CreateSpinlocks(IPCKey key)
 /*
  * Attach to existing spinlock set
  */
-bool
+static bool
 AttachSpinLocks(IPCKey key)
 {
     IpcSemaphoreId id;