@@ -1307,14 +1307,10 @@ LWLockAcquire(LWLock *lock, LWLockMode mode)
13071307/*
13081308 * Wait until awakened.
13091309 *
1310- * Since we share the process wait semaphore with the regular lock
1311- * manager and ProcWaitForSignal, and we may need to acquire an LWLock
1312- * while one of those is pending, it is possible that we get awakened
1313- * for a reason other than being signaled by LWLockRelease. If so,
1314- * loop back and wait again. Once we've gotten the LWLock,
1315- * re-increment the sema by the number of additional signals received,
1316- * so that the lock manager or signal manager will see the received
1317- * signal when it next waits.
1310+ * It is possible that we get awakened for a reason other than being
1311+ * signaled by LWLockRelease. If so, loop back and wait again. Once
1312+ * we've gotten the LWLock, re-increment the sema by the number of
1313+ * additional signals received.
13181314 */
13191315LOG_LWDEBUG ("LWLockAcquire" ,lock ,"waiting" );
13201316
@@ -1479,8 +1475,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
14791475{
14801476/*
14811477 * Wait until awakened. Like in LWLockAcquire, be prepared for
1482- * bogus wakeups, because we share the semaphore with
1483- * ProcWaitForSignal.
1478+ * bogus wakeups.
14841479 */
14851480LOG_LWDEBUG ("LWLockAcquireOrWait" ,lock ,"waiting" );
14861481
@@ -1693,14 +1688,10 @@ LWLockWaitForVar(LWLock *lock, uint64 *valptr, uint64 oldval, uint64 *newval)
16931688/*
16941689 * Wait until awakened.
16951690 *
1696- * Since we share the process wait semaphore with the regular lock
1697- * manager and ProcWaitForSignal, and we may need to acquire an LWLock
1698- * while one of those is pending, it is possible that we get awakened
1699- * for a reason other than being signaled by LWLockRelease. If so,
1700- * loop back and wait again. Once we've gotten the LWLock,
1701- * re-increment the sema by the number of additional signals received,
1702- * so that the lock manager or signal manager will see the received
1703- * signal when it next waits.
1691+ * It is possible that we get awakened for a reason other than being
1692+ * signaled by LWLockRelease. If so, loop back and wait again. Once
1693+ * we've gotten the LWLock, re-increment the sema by the number of
1694+ * additional signals received.
17041695 */
17051696LOG_LWDEBUG ("LWLockWaitForVar" ,lock ,"waiting" );
17061697