Bug #34017614 Add support for Apple M1 to MySQL 5.7 [33559219]

Backport 0ace2aa267f72460bf9c0a978ab38c5b9bb3888c BUG #33559219 Crash in pthread_cond_signal on bus error on Mac OS X ARM Moved NdbCondition_Signal into the mutex context to avoid the condition being destroyed during execution of NdbCondition_Signal. Change-Id: I8e6e7c59c8ab34f12c810eb158d54eba13b88702

Author: Tor Didriksen

storage/ndb/src/kernel/blocks/ndbfs/AsyncIoThread.cpp

@@ -1,4 +1,4 @@
-/* Copyright (c) 2008, 2021, Oracle and/or its affiliates.
+/* Copyright (c) 2008, 2022, Oracle and/or its affiliates.
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2.0,
@@ -138,8 +138,8 @@ AsyncIoThread::run()
  // Create theMemoryChannel in the thread that will wait for it
  NdbMutex_Lock(theStartMutexPtr);
  theStartFlag = true;
- NdbMutex_Unlock(theStartMutexPtr);
  NdbCondition_Signal(theStartConditionPtr);
+ NdbMutex_Unlock(theStartMutexPtr);
 
  EmulatedJamBuffer jamBuffer;
  jamBuffer.theEmulatedJamIndex = 0;

storage/ndb/src/ndbapi/NdbPoolImpl.cpp

@@ -1,5 +1,5 @@
 /*
- Copyright (c) 2003, 2021, Oracle and/or its affiliates.
+ Copyright (c) 2003, 2022, Oracle and/or its affiliates.
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2.0,
@@ -286,8 +286,8 @@ NdbPool::return_ndb_object(Ndb* returned_ndb, Uint32 id)
  pool_cond = input_pool_cond;
  }
  add_wait_list(id);
- NdbMutex_Unlock(pool_mutex);
  NdbCondition_Signal(pool_cond);
+ NdbMutex_Unlock(pool_mutex);
  } else {
  add_free_list(id);
  add_db_hash(id);