@@ -1302,14 +1302,10 @@ LWLockAcquire(LWLock *lock, LWLockMode mode)
13021302/*
13031303 * Wait until awakened.
13041304 *
1305- * Since we share the process wait semaphore with the regular lock
1306- * manager and ProcWaitForSignal, and we may need to acquire an LWLock
1307- * while one of those is pending, it is possible that we get awakened
1308- * for a reason other than being signaled by LWLockRelease. If so,
1309- * loop back and wait again. Once we've gotten the LWLock,
1310- * re-increment the sema by the number of additional signals received,
1311- * so that the lock manager or signal manager will see the received
1312- * signal when it next waits.
1305+ * It is possible that we get awakened for a reason other than being
1306+ * signaled by LWLockRelease. If so, loop back and wait again. Once
1307+ * we've gotten the LWLock, re-increment the sema by the number of
1308+ * additional signals received.
13131309 */
13141310LOG_LWDEBUG ("LWLockAcquire" ,lock ,"waiting" );
13151311
@@ -1474,8 +1470,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
14741470{
14751471/*
14761472 * Wait until awakened. Like in LWLockAcquire, be prepared for
1477- * bogus wakeups, because we share the semaphore with
1478- * ProcWaitForSignal.
1473+ * bogus wakeups.
14791474 */
14801475LOG_LWDEBUG ("LWLockAcquireOrWait" ,lock ,"waiting" );
14811476
@@ -1688,14 +1683,10 @@ LWLockWaitForVar(LWLock *lock, uint64 *valptr, uint64 oldval, uint64 *newval)
16881683/*
16891684 * Wait until awakened.
16901685 *
1691- * Since we share the process wait semaphore with the regular lock
1692- * manager and ProcWaitForSignal, and we may need to acquire an LWLock
1693- * while one of those is pending, it is possible that we get awakened
1694- * for a reason other than being signaled by LWLockRelease. If so,
1695- * loop back and wait again. Once we've gotten the LWLock,
1696- * re-increment the sema by the number of additional signals received,
1697- * so that the lock manager or signal manager will see the received
1698- * signal when it next waits.
1686+ * It is possible that we get awakened for a reason other than being
1687+ * signaled by LWLockRelease. If so, loop back and wait again. Once
1688+ * we've gotten the LWLock, re-increment the sema by the number of
1689+ * additional signals received.
16991690 */
17001691LOG_LWDEBUG ("LWLockWaitForVar" ,lock ,"waiting" );
17011692