Add pthread_attr_getstack() and pthread_attr_setstack().

Submitted by: Craig Rodrigues <rodrigc@attbi.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/libpthread/thread/thr_attr_getstack.c b/lib/libpthread/thread/thr_attr_getstack.c
new file mode 100644
index 0000000..8c0f87f
--- /dev/null
+++ b/lib/libpthread/thread/thr_attr_getstack.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.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 Craig Rodrigues.
+ * 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 CRAIG RODRIGUES 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.
+ *
+ * $FreeBSD$
+ */
+#include <errno.h>
+#include <pthread.h>
+#include "thr_private.h"
+
+__weak_reference(_pthread_attr_getstack, pthread_attr_getstack);
+
+int
+_pthread_attr_getstack(const pthread_attr_t * __restrict attr,
+                        void ** __restrict stackaddr,
+                        size_t * __restrict stacksize)
+{
+	int     ret;
+
+	/* Check for invalid arguments: */
+	if (attr == NULL || *attr == NULL || stackaddr == NULL
+	    || stacksize == NULL )
+		ret = EINVAL;
+	else {
+		/* Return the stack address and size */
+		*stackaddr = (*attr)->stackaddr_attr;
+		*stacksize = (*attr)->stacksize_attr;
+		ret = 0;
+	}
+	return(ret);
+}
+