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authormonty@hundin.mysql.fi <>2001-08-22 01:45:07 +0300
committermonty@hundin.mysql.fi <>2001-08-22 01:45:07 +0300
commit733f865f54e297bf512f10ec0631342303164b25 (patch)
tree32f2629127dea884d1930817179e72d2076be756 /mysys/my_os2mutex.c
parent063a1a6557ad2c501f4da9a47e633fb191ee2e00 (diff)
downloadmariadb-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.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/mysys/my_os2mutex.c b/mysys/my_os2mutex.c
new file mode 100644
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+++ b/mysys/my_os2mutex.c
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+/*
+ * 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