diff options
Diffstat (limited to 'ext/mysql/libmysql/thr_mutex.c')
| -rw-r--r-- | ext/mysql/libmysql/thr_mutex.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/ext/mysql/libmysql/thr_mutex.c b/ext/mysql/libmysql/thr_mutex.c index 3ac2013efd..9b9c7a8e40 100644 --- a/ext/mysql/libmysql/thr_mutex.c +++ b/ext/mysql/libmysql/thr_mutex.c @@ -1,18 +1,32 @@ -/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB - This file is public domain and comes with NO WARRANTY of any kind */ +/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA */ /* This makes a wrapper for mutex handling to make it easier to debug mutex */ #include <global.h> -#ifdef HAVE_LINUXTHREADS /* Some extra safety */ -#define __USE_UNIX98 +#if defined(HAVE_LINUXTHREADS) && !defined (__USE_UNIX98) +#define __USE_UNIX98 /* To get rw locks under Linux */ #endif #include <m_string.h> #if defined(THREAD) && defined(SAFE_MUTEX) -#undef SAFE_MUTEX /* Avoid safe_mutex redefinitions */ +#undef SAFE_MUTEX /* Avoid safe_mutex redefinitions */ #include <my_pthread.h> - +#ifndef DO_NOT_REMOVE_THREAD_WRAPPERS /* Remove wrappers */ #undef pthread_mutex_init #undef pthread_mutex_lock @@ -23,15 +37,17 @@ #ifdef HAVE_NONPOSIX_PTHREAD_MUTEX_INIT #define pthread_mutex_init(a,b) my_pthread_mutex_init((a),(b)) #endif +#endif /* DO_NOT_REMOVE_THREAD_WRAPPERS */ -int safe_mutex_init(safe_mutex_t *mp, const pthread_mutexattr_t *attr) +int safe_mutex_init(safe_mutex_t *mp, + const pthread_mutexattr_t *attr __attribute__((unused))) { bzero((char*) mp,sizeof(*mp)); #ifdef HAVE_LINUXTHREADS /* Some extra safety */ { pthread_mutexattr_t tmp; pthread_mutexattr_init(&tmp); - pthread_mutexattr_settype(&tmp,PTHREAD_MUTEX_ERRORCHECK_NP); + pthread_mutexattr_setkind_np(&tmp,PTHREAD_MUTEX_ERRORCHECK_NP); pthread_mutex_init(&mp->global,&tmp); pthread_mutex_init(&mp->mutex, &tmp); pthread_mutexattr_destroy(&tmp); @@ -183,16 +199,16 @@ int safe_cond_timedwait(pthread_cond_t *cond, safe_mutex_t *mp, return error; } -int safe_mutex_destroy(safe_mutex_t *mp) +int safe_mutex_destroy(safe_mutex_t *mp, const char *file, uint line) { if (mp->count != 0) { - fprintf(stderr,"safe_mutex: Trying to destroy a mutex that was locked at %s, line %d\n", - mp->file,mp->line); + fprintf(stderr,"safe_mutex: Trying to destroy a mutex that was locked at %s, line %d at %s, line %d\n", + mp->file,mp->line, file, line); abort(); } pthread_mutex_destroy(&mp->global); return pthread_mutex_destroy(&mp->mutex); } -#endif /* SAFE_MUTEX */ +#endif /* THREAD && SAFE_MUTEX */ |