Bug#22320: my_atomic-t unit test fails

The atomic operations implementation on 5.1 has a few problems,
which might cause tests to abort randomly. Since no code in 5.1
uses atomic operations, simply remove the code.

1 files changed, 0 insertions, 48 deletions

diff --git a/include/atomic/rwlock.h b/include/atomic/rwlock.h
deleted file mode 100644
index 18b77e93d80..00000000000
--- a/include/atomic/rwlock.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/* Copyright (C) 2006 MySQL AB
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; version 2 of the License.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
-
-typedef struct {pthread_rwlock_t rw;} my_atomic_rwlock_t;
-
-#ifdef MY_ATOMIC_MODE_DUMMY
-/*
-  the following can never be enabled by ./configure, one need to put #define in
-  a source to trigger the following warning. The resulting code will be broken,
-  it only makes sense to do it to see now test_atomic detects broken
-  implementations (another way is to run a UP build on an SMP box).
-*/
-#warning MY_ATOMIC_MODE_DUMMY and MY_ATOMIC_MODE_RWLOCKS are incompatible
-#define my_atomic_rwlock_destroy(name)
-#define my_atomic_rwlock_init(name)
-#define my_atomic_rwlock_rdlock(name)
-#define my_atomic_rwlock_wrlock(name)
-#define my_atomic_rwlock_rdunlock(name)
-#define my_atomic_rwlock_wrunlock(name)
-#define MY_ATOMIC_MODE "dummy (non-atomic)"
-#else
-#define my_atomic_rwlock_destroy(name)     pthread_rwlock_destroy(& (name)->rw)
-#define my_atomic_rwlock_init(name)        pthread_rwlock_init(& (name)->rw, 0)
-#define my_atomic_rwlock_rdlock(name)      pthread_rwlock_rdlock(& (name)->rw)
-#define my_atomic_rwlock_wrlock(name)      pthread_rwlock_wrlock(& (name)->rw)
-#define my_atomic_rwlock_rdunlock(name)    pthread_rwlock_unlock(& (name)->rw)
-#define my_atomic_rwlock_wrunlock(name)    pthread_rwlock_unlock(& (name)->rw)
-#define MY_ATOMIC_MODE "rwlocks"
-#endif
-
-#define make_atomic_add_body(S)     int ## S sav; sav= *a; *a+= v; v=sav;
-#define make_atomic_swap_body(S)    int ## S sav; sav= *a; *a= v; v=sav;
-#define make_atomic_cas_body(S)     if ((ret= (*a == *cmp))) *a= set; else *cmp=*a;
-#define make_atomic_load_body(S)    ret= *a;
-#define make_atomic_store_body(S)   *a= v;
-