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-rw-r--r--lib/libc_r/uthread/uthread_mutex_protocol.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/libc_r/uthread/uthread_mutex_protocol.c b/lib/libc_r/uthread/uthread_mutex_protocol.c
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+/*
+ * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
+ * All rights reserved.
+ *
+ * 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 Daniel Eischen.
+ * 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 DANIEL EISCHEN 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 AUTHOR 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 <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#ifdef _THREAD_SAFE
+#include <pthread.h>
+#include "pthread_private.h"
+
+int
+pthread_mutexattr_getprotocol(pthread_mutexattr_t *mattr, int *protocol)
+{
+ int ret = 0;
+
+ if ((mattr == NULL) || (*mattr == NULL))
+ ret = EINVAL;
+ else
+ *protocol = (*mattr)->m_protocol;
+
+ return(ret);
+}
+
+int
+pthread_mutexattr_setprotocol(pthread_mutexattr_t *mattr, int protocol)
+{
+ int ret = 0;
+
+ if ((mattr == NULL) || (*mattr == NULL) ||
+ (protocol < PTHREAD_PRIO_NONE) || (protocol > PTHREAD_PRIO_PROTECT))
+ ret = EINVAL;
+ else {
+ (*mattr)->m_protocol = protocol;
+ (*mattr)->m_ceiling = PTHREAD_MAX_PRIORITY;
+ }
+ return(ret);
+}
+
+#endif
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