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author | monty@hundin.mysql.fi <> | 2001-08-22 01:45:07 +0300 |
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committer | monty@hundin.mysql.fi <> | 2001-08-22 01:45:07 +0300 |
commit | 733f865f54e297bf512f10ec0631342303164b25 (patch) | |
tree | 32f2629127dea884d1930817179e72d2076be756 /mysys/my_os2mutex.c | |
parent | 063a1a6557ad2c501f4da9a47e633fb191ee2e00 (diff) | |
download | mariadb-git-733f865f54e297bf512f10ec0631342303164b25.tar.gz |
Fixes for OS2.
Fix bug in isamlog
Add argument types to function declarations.
Diffstat (limited to 'mysys/my_os2mutex.c')
-rw-r--r-- | mysys/my_os2mutex.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/mysys/my_os2mutex.c b/mysys/my_os2mutex.c new file mode 100644 index 00000000000..0ae6ae86d8c --- /dev/null +++ b/mysys/my_os2mutex.c @@ -0,0 +1,98 @@ +/* + * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. + * All rights reserved. + * + * Modified and extended by Antony T Curtis <antony.curtis@olcs.net> + * for use with OS/2. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by John Birrell. + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ +#include <stdlib.h> +#include <errno.h> +#ifdef _THREAD_SAFE +//#include <pthread.h> +//#include "pthread_private.h" + +int +pthread_mutex_init(pthread_mutex_t * mutex, + const pthread_mutexattr_t * mutex_attr) +{ + APIRET rc = 0; + + rc = DosCreateMutexSem(NULL,mutex,0,0); + + /* Return the completion status: */ + return (0); +} + +int +pthread_mutex_destroy(pthread_mutex_t * mutex) +{ + APIRET rc = 0; + + + do { + rc = DosCloseMutexSem(*mutex); + if (rc == 301) DosReleaseMutexSem(*mutex); + } while (rc == 301); + + *mutex = 0; + + /* Return the completion status: */ + return (0); +} + + +int +pthread_mutex_lock(pthread_mutex_t * mutex) +{ + int ret = 0; + int status = 0; + APIRET rc = 0; + + rc = DosRequestMutexSem(*mutex,SEM_INDEFINITE_WAIT); + if (rc) + return(EINVAL); + /* Return the completion status: */ + return (0); +} + +int +pthread_mutex_unlock(pthread_mutex_t * mutex) +{ + int ret = 0; + APIRET rc = 0; + int status; + + rc = DosReleaseMutexSem(*mutex); + + /* Return the completion status: */ + return (0); +} +#endif |