aboutsummaryrefslogtreecommitdiff
path: root/nuttx/sched/pthread_findjoininfo.c
diff options
context:
space:
mode:
Diffstat (limited to 'nuttx/sched/pthread_findjoininfo.c')
-rw-r--r--nuttx/sched/pthread_findjoininfo.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/nuttx/sched/pthread_findjoininfo.c b/nuttx/sched/pthread_findjoininfo.c
new file mode 100644
index 000000000..584ed8f96
--- /dev/null
+++ b/nuttx/sched/pthread_findjoininfo.c
@@ -0,0 +1,101 @@
+/************************************************************************
+ * pthread_findjoininfo.c
+ *
+ * Copyright (C) 2007, 2009 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 <sys/types.h>
+
+#include "pthread_internal.h"
+
+/************************************************************************
+ * Definitions
+ ************************************************************************/
+
+/************************************************************************
+ * Private Type Declarations
+ ************************************************************************/
+
+/************************************************************************
+ * Global Variables
+ ************************************************************************/
+
+/************************************************************************
+ * Private Variables
+ ************************************************************************/
+
+/************************************************************************
+ * Private Functions
+ ************************************************************************/
+
+/************************************************************************
+ * Public Functions
+ ************************************************************************/
+
+/************************************************************************
+ * Name: thread_findjoininfo
+ *
+ * Description:
+ * Find a join_t to the local data set.
+ *
+ * Parameters:
+ * pid
+ *
+ * Return Value:
+ * None or pointer to the found entry.
+ *
+ * Assumptions:
+ * The caller has provided protection from re-entrancy.
+ *
+ ************************************************************************/
+
+FAR join_t *pthread_findjoininfo(pid_t pid)
+{
+ FAR join_t *pjoin;
+
+ /* Find the entry with the matching pid */
+
+ for (pjoin = g_pthread_head;
+ (pjoin && (pid_t)pjoin->thread != pid);
+ pjoin = pjoin->next);
+
+ /* and return it */
+
+ return pjoin;
+}
+