@@ -1221,14 +1221,10 @@ LWLockAcquire(LWLock *lock, LWLockMode mode)
12211221/*
12221222 * Wait until awakened.
12231223 *
1224- * Since we share the process wait semaphore with the regular lock
1225- * manager and ProcWaitForSignal, and we may need to acquire an LWLock
1226- * while one of those is pending, it is possible that we get awakened
1227- * for a reason other than being signaled by LWLockRelease. If so,
1228- * loop back and wait again. Once we've gotten the LWLock,
1229- * re-increment the sema by the number of additional signals received,
1230- * so that the lock manager or signal manager will see the received
1231- * signal when it next waits.
1224+ * It is possible that we get awakened for a reason other than being
1225+ * signaled by LWLockRelease. If so, loop back and wait again. Once
1226+ * we've gotten the LWLock, re-increment the sema by the number of
1227+ * additional signals received.
12321228 */
12331229LOG_LWDEBUG ("LWLockAcquire" ,lock ,"waiting" );
12341230
@@ -1388,8 +1384,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
13881384{
13891385/*
13901386 * Wait until awakened. Like in LWLockAcquire, be prepared for
1391- * bogus wakeups, because we share the semaphore with
1392- * ProcWaitForSignal.
1387+ * bogus wakeups.
13931388 */
13941389LOG_LWDEBUG ("LWLockAcquireOrWait" ,lock ,"waiting" );
13951390
@@ -1598,14 +1593,10 @@ LWLockWaitForVar(LWLock *lock, uint64 *valptr, uint64 oldval, uint64 *newval)
15981593/*
15991594 * Wait until awakened.
16001595 *
1601- * Since we share the process wait semaphore with the regular lock
1602- * manager and ProcWaitForSignal, and we may need to acquire an LWLock
1603- * while one of those is pending, it is possible that we get awakened
1604- * for a reason other than being signaled by LWLockRelease. If so,
1605- * loop back and wait again. Once we've gotten the LWLock,
1606- * re-increment the sema by the number of additional signals received,
1607- * so that the lock manager or signal manager will see the received
1608- * signal when it next waits.
1596+ * It is possible that we get awakened for a reason other than being
1597+ * signaled by LWLockRelease. If so, loop back and wait again. Once
1598+ * we've gotten the LWLock, re-increment the sema by the number of
1599+ * additional signals received.
16091600 */
16101601LOG_LWDEBUG ("LWLockWaitForVar" ,lock ,"waiting" );
16111602