pthread mutex: Forgot to add files in last commit

libc/pthread/pthread_mutexattr_getrobust.c

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+/****************************************************************************
+ * libc/pthread/pthread_mutexattr_getrobust.c
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <pthread.h>
+#include <errno.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function: pthread_mutexattr_getrobust
+ *
+ * Description:
+ *   Return the mutex robustneess from the mutex attributes.
+ *
+ * Parameters:
+ *   attr   - The mutex attributes to query
+ *   robust - Location to return the robustness indication
+ *
+ * Return Value:
+ *   0, if the robustness was successfully return in 'robust', or
+ *   EINVAL, if any NULL pointers provided.
+ *
+ * Assumptions:
+ *
+ ****************************************************************************/
+
+int pthread_mutexattr_getrobust(FAR const pthread_mutexattr_t *attr,
+                                FAR int *robust)
+{
+  if (attr != NULL && robust != NULL)
+    {
+#if defined(CONFIG_PTHREAD_MUTEX_UNSAFE)
+      *robust = PTHREAD_MUTEX_STALLED;
+#elif defined(CONFIG_PTHREAD_MUTEX_BOTH)
+      *robust = attr->robust;
+#else /* Default: CONFIG_PTHREAD_MUTEX_ROBUST */
+      *robust = PTHREAD_MUTEX_ROBUST;
+#endif
+      return 0;
+    }
+
+  return EINVAL;
+}

libc/pthread/pthread_mutexattr_setrobust.c

@@ -0,0 +1,96 @@
+/****************************************************************************
+ * libc/pthread/pthread_mutexattr_setrobust.c
+ *
+ *   Copyright (C) 201t Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <pthread.h>
+#include <errno.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function: pthread_mutexattr_setrobust
+ *
+ * Description:
+ *   Set the mutex robustness in the mutex attributes.
+ *
+ * Parameters:
+ *   attr   - The mutex attributes in which to set the mutex type.
+ *   robust - The mutex type value to set.
+ *
+ * Return Value:
+ *   0, if the mutex robustness was successfully set in 'attr', or
+ *   EINVAL, if 'attr' is NULL or 'robust' unrecognized.
+ *
+ * Assumptions:
+ *
+ ****************************************************************************/
+
+int pthread_mutexattr_setrobust(pthread_mutexattr_t *attr, int robust)
+{
+#if defined(CONFIG_PTHREAD_MUTEX_UNSAFE)
+
+  if (attr != NULL && robust == PTHREAD_MUTEX_STALLED)
+    {
+      return OK;
+    }
+
+  return EINVAL;
+
+#elif defined(CONFIG_PTHREAD_MUTEX_BOTH)
+
+  if (attr != NULL && (robust == PTHREAD_MUTEX_STALLED || robust == _PTHREAD_MFLAGS_ROBUST))
+    {
+      attr->robust = robust;
+      return OK;
+    }
+
+  return EINVAL;
+
+#else /* Default: CONFIG_PTHREAD_MUTEX_ROBUST */
+
+  if (attr != NULL && robust == _PTHREAD_MFLAGS_ROBUST)
+    {
+      return OK;
+    }
+
+  return EINVAL;
+#endif
+}