diff options
Diffstat (limited to 'mysql/mysys/thr_cond.c')
-rw-r--r-- | mysql/mysys/thr_cond.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/mysql/mysys/thr_cond.c b/mysql/mysys/thr_cond.c deleted file mode 100644 index 25decb4..0000000 --- a/mysql/mysys/thr_cond.c +++ /dev/null @@ -1,113 +0,0 @@ -/* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. - - 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - -#ifdef SAFE_MUTEX - -#include "thr_cond.h" -#include "my_thread_local.h" - -int safe_cond_wait(native_cond_t *cond, my_mutex_t *mp, - const char *file, uint line) -{ - int error; - native_mutex_lock(&mp->global); - if (mp->count == 0) - { - fprintf(stderr,"safe_mutex: Trying to cond_wait on a unlocked mutex at %s, line %d\n",file,line); - fflush(stderr); - abort(); - } - if (!my_thread_equal(my_thread_self(),mp->thread)) - { - fprintf(stderr,"safe_mutex: Trying to cond_wait on a mutex at %s, line %d that was locked by another thread at: %s, line: %d\n", - file,line,mp->file,mp->line); - fflush(stderr); - abort(); - } - - if (mp->count-- != 1) - { - fprintf(stderr,"safe_mutex: Count was %d on locked mutex at %s, line %d\n", - mp->count+1, file, line); - fflush(stderr); - abort(); - } - native_mutex_unlock(&mp->global); - error= native_cond_wait(cond,&mp->mutex); - native_mutex_lock(&mp->global); - if (error) - { - fprintf(stderr,"safe_mutex: Got error: %d (%d) when doing a safe_mutex_wait at %s, line %d\n", error, errno, file, line); - fflush(stderr); - abort(); - } - mp->thread= my_thread_self(); - if (mp->count++) - { -#ifndef DBUG_OFF - fprintf(stderr, - "safe_mutex: Count was %d in thread 0x%x when locking mutex at %s, line %d\n", - mp->count-1, my_thread_var_id(), file, line); - fflush(stderr); -#endif - abort(); - } - mp->file= file; - mp->line=line; - native_mutex_unlock(&mp->global); - return error; -} - - -int safe_cond_timedwait(native_cond_t *cond, my_mutex_t *mp, - const struct timespec *abstime, - const char *file, uint line) -{ - int error; - native_mutex_lock(&mp->global); - if (mp->count != 1 || !my_thread_equal(my_thread_self(),mp->thread)) - { - fprintf(stderr,"safe_mutex: Trying to cond_wait at %s, line %d on a not hold mutex\n",file,line); - fflush(stderr); - abort(); - } - mp->count--; /* Mutex will be released */ - native_mutex_unlock(&mp->global); - error= native_cond_timedwait(cond,&mp->mutex,abstime); -#ifdef EXTRA_DEBUG - if (error && (error != EINTR && error != ETIMEDOUT && error != ETIME)) - { - fprintf(stderr,"safe_mutex: Got error: %d (%d) when doing a safe_cond_timedwait at %s, line %d\n", error, errno, file, line); - } -#endif - native_mutex_lock(&mp->global); - mp->thread= my_thread_self(); - if (mp->count++) - { -#ifndef DBUG_OFF - fprintf(stderr, - "safe_mutex: Count was %d in thread 0x%x when locking mutex at %s, line %d (error: %d (%d))\n", - mp->count-1, my_thread_var_id(), file, line, error, error); - fflush(stderr); -#endif - abort(); - } - mp->file= file; - mp->line=line; - native_mutex_unlock(&mp->global); - return error; -} - -#endif |