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-rw-r--r--lib/libthr/thread/thr_barrierattr.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/libthr/thread/thr_barrierattr.c b/lib/libthr/thread/thr_barrierattr.c
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+++ b/lib/libthr/thread/thr_barrierattr.c
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+/*
+ * Copyright (c) 2003 David Xu <davidxu@freebsd.org>.
+ * 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(s), this list of conditions and the following disclaimer as
+ * the first lines of this file unmodified other than the possible
+ * addition of one or more copyright notices.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice(s), 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 COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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.
+ *
+ * $FreeBSD$
+ */
+
+#include "namespace.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include "un-namespace.h"
+
+#include "thr_private.h"
+
+__weak_reference(_pthread_barrierattr_destroy, pthread_barrierattr_destroy);
+__weak_reference(_pthread_barrierattr_init, pthread_barrierattr_init);
+__weak_reference(_pthread_barrierattr_setpshared,
+ pthread_barrierattr_setpshared);
+__weak_reference(_pthread_barrierattr_getpshared,
+ pthread_barrierattr_getpshared);
+
+int
+_pthread_barrierattr_destroy(pthread_barrierattr_t *attr)
+{
+
+ if (attr == NULL || *attr == NULL)
+ return (EINVAL);
+
+ free(*attr);
+ return (0);
+}
+
+int
+_pthread_barrierattr_getpshared(const pthread_barrierattr_t *attr,
+ int *pshared)
+{
+
+ if (attr == NULL || *attr == NULL)
+ return (EINVAL);
+
+ *pshared = (*attr)->pshared;
+ return (0);
+}
+
+int
+_pthread_barrierattr_init(pthread_barrierattr_t *attr)
+{
+
+ if (attr == NULL)
+ return (EINVAL);
+
+ if ((*attr = malloc(sizeof(struct pthread_barrierattr))) == NULL)
+ return (ENOMEM);
+
+ (*attr)->pshared = PTHREAD_PROCESS_PRIVATE;
+ return (0);
+}
+
+int
+_pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared)
+{
+
+ if (attr == NULL || *attr == NULL)
+ return (EINVAL);
+
+ /* Only PTHREAD_PROCESS_PRIVATE is supported. */
+ if (pshared != PTHREAD_PROCESS_PRIVATE)
+ return (EINVAL);
+
+ (*attr)->pshared = pshared;
+ return (0);
+}
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