From 2ab3d99967d68c79351fe2a3df22c445447e3010 Mon Sep 17 00:00:00 2001
From: Michał Cichoń <michcic@gmail.com>
Date: Tue, 15 Nov 2011 22:28:48 +0100
Subject: Initial import.

---
 pthreads/src/pthread_attr_init.c | 117 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 pthreads/src/pthread_attr_init.c

(limited to 'pthreads/src/pthread_attr_init.c')

diff --git a/pthreads/src/pthread_attr_init.c b/pthreads/src/pthread_attr_init.c
new file mode 100644
index 0000000..ae9d3eb
--- /dev/null
+++ b/pthreads/src/pthread_attr_init.c
@@ -0,0 +1,117 @@
+/*
+ * pthread_attr_init.c
+ *
+ * Description:
+ * This translation unit implements operations on thread attribute objects.
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 1998 John E. Bossom
+ *      Copyright(C) 1999,2005 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@callisto.canberra.edu.au
+ * 
+ *      The current list of contributors is contained
+ *      in the file CONTRIBUTORS included with the source
+ *      code distribution. The list can also be seen at the
+ *      following World Wide Web location:
+ *      http://sources.redhat.com/pthreads-win32/contributors.html
+ * 
+ *      This library is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU Lesser General Public
+ *      License as published by the Free Software Foundation; either
+ *      version 2 of the License, or (at your option) any later version.
+ * 
+ *      This library is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *      Lesser General Public License for more details.
+ * 
+ *      You should have received a copy of the GNU Lesser General Public
+ *      License along with this library in the file COPYING.LIB;
+ *      if not, write to the Free Software Foundation, Inc.,
+ *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "pthread.h"
+#include "implement.h"
+
+
+int
+pthread_attr_init (pthread_attr_t * attr)
+     /*
+      * ------------------------------------------------------
+      * DOCPUBLIC
+      *      Initializes a thread attributes object with default
+      *      attributes.
+      *
+      * PARAMETERS
+      *      attr
+      *              pointer to an instance of pthread_attr_t
+      *
+      *
+      * DESCRIPTION
+      *      Initializes a thread attributes object with default
+      *      attributes.
+      *
+      *      NOTES:
+      *              1)      Used to define thread attributes
+      *
+      * RESULTS
+      *              0               successfully initialized attr,
+      *              ENOMEM          insufficient memory for attr.
+      *
+      * ------------------------------------------------------
+      */
+{
+  pthread_attr_t attr_result;
+
+  if (attr == NULL)
+    {
+      /* This is disallowed. */
+      return EINVAL;
+    }
+
+  attr_result = (pthread_attr_t) malloc (sizeof (*attr_result));
+
+  if (attr_result == NULL)
+    {
+      return ENOMEM;
+    }
+
+#if defined(_POSIX_THREAD_ATTR_STACKSIZE)
+  /*
+   * Default to zero size. Unless changed explicitly this
+   * will allow Win32 to set the size to that of the
+   * main thread.
+   */
+  attr_result->stacksize = 0;
+#endif
+
+#if defined(_POSIX_THREAD_ATTR_STACKADDR)
+  /* FIXME: Set this to something sensible when we support it. */
+  attr_result->stackaddr = NULL;
+#endif
+
+  attr_result->detachstate = PTHREAD_CREATE_JOINABLE;
+
+#if defined(HAVE_SIGSET_T)
+  memset (&(attr_result->sigmask), 0, sizeof (sigset_t));
+#endif /* HAVE_SIGSET_T */
+
+  /*
+   * Win32 sets new threads to THREAD_PRIORITY_NORMAL and
+   * not to that of the parent thread. We choose to default to
+   * this arrangement.
+   */
+  attr_result->param.sched_priority = THREAD_PRIORITY_NORMAL;
+  attr_result->inheritsched = PTHREAD_EXPLICIT_SCHED;
+  attr_result->contentionscope = PTHREAD_SCOPE_SYSTEM;
+
+  attr_result->valid = PTW32_ATTR_VALID;
+
+  *attr = attr_result;
+
+  return 0;
+}
-- 
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