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-rw-r--r--lib/libpthread/thread/thr_rwlockattr.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/libpthread/thread/thr_rwlockattr.c b/lib/libpthread/thread/thr_rwlockattr.c
new file mode 100644
index 0000000..a3683bc
--- /dev/null
+++ b/lib/libpthread/thread/thr_rwlockattr.c
@@ -0,0 +1,97 @@
+/*-
+ * Copyright (c) 1998 Alex Nash
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#ifdef _THREAD_SAFE
+#include <errno.h>
+
+#include <pthread.h>
+#include "pthread_private.h"
+
+int
+pthread_rwlockattr_destroy (pthread_rwlockattr_t *rwlockattr)
+{
+ pthread_rwlockattr_t prwlockattr;
+
+ if (rwlockattr == NULL)
+ return(EINVAL);
+
+ prwlockattr = *rwlockattr;
+
+ if (prwlockattr == NULL)
+ return(EINVAL);
+
+ free(prwlockattr);
+
+ return(0);
+}
+
+int
+pthread_rwlockattr_getpshared (const pthread_rwlockattr_t *rwlockattr,
+ int *pshared)
+{
+ *pshared = (*rwlockattr)->pshared;
+
+ return(0);
+}
+
+int
+pthread_rwlockattr_init (pthread_rwlockattr_t *rwlockattr)
+{
+ pthread_rwlockattr_t prwlockattr;
+
+ if (rwlockattr == NULL)
+ return(EINVAL);
+
+ prwlockattr = (pthread_rwlockattr_t)
+ malloc(sizeof(struct pthread_rwlockattr));
+
+ if (prwlockattr == NULL)
+ return(ENOMEM);
+
+ prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE;
+ *rwlockattr = prwlockattr;
+
+ return(0);
+}
+
+int
+pthread_rwlockattr_setpshared (pthread_rwlockattr_t *rwlockattr,
+ int *pshared)
+{
+ int ps = *pshared;
+
+ /* only PTHREAD_PROCESS_PRIVATE is supported */
+ if (ps != PTHREAD_PROCESS_PRIVATE)
+ return(EINVAL);
+
+ (*rwlockattr)->pshared = ps;
+
+ return(0);
+}
+
+#endif /* _THREAD_SAFE */
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