1 files changed, 126 insertions, 0 deletions
diff --git a/nuttx/sched/group_internal.h b/nuttx/sched/group_internal.h
new file mode 100644
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+++ b/nuttx/sched/group_internal.h
@@ -0,0 +1,126 @@
+/****************************************************************************
+ * sched/group_internal.h
+ *
+ *   Copyright (C) 2007-2013 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.
+ *
+ ****************************************************************************/
+
+#ifndef __SCHED_GROUP_INERNAL_H
+#define __SCHED_GROUP_INERNAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdbool.h>
+#include <queue.h>
+#include <sched.h>
+
+#include <nuttx/kmalloc.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+/* Any negative GID is invalid. */
+
+#define INVALID_GROUP_ID    (pid_t)-1
+#define IS_INVALID_GID(gid) ((int)(gid) < 0)
+
+/****************************************************************************
+ * Public Type Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+/* This is the head of a list of all group members */
+
+#ifdef HAVE_GROUP_MEMBERS
+extern FAR struct task_group_s *g_grouphead;
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+/* Task group data structure management */
+
+#ifdef HAVE_TASK_GROUP
+int  group_allocate(FAR _TCB *tcb);
+int  group_initialize(FAR _TCB *tcb);
+int  group_bind(FAR _TCB *tcb);
+int  group_join(FAR _TCB *tcb);
+void group_leave(FAR _TCB *tcb);
+
+#ifdef HAVE_GROUP_MEMBERS
+FAR struct task_group_s *group_find(gid_t gid);
+int group_addmember(FAR struct task_group_s *group, pid_t pid);
+int  group_removemember(FAR struct task_group_s *group, pid_t pid);
+#endif
+
+#ifndef CONFIG_DISABLE_SIGNALS
+int  group_signal(FAR struct task_group_s *group, FAR siginfo_t *info);
+#endif
+#endif /* HAVE_TASK_GROUP */
+
+/* Parent/child data management */
+
+#ifdef CONFIG_SCHED_HAVE_PARENT
+int task_reparent(pid_t ppid, pid_t chpid);
+
+#ifdef CONFIG_SCHED_CHILD_STATUS
+FAR struct child_status_s *group_allocchild(void);
+void group_freechild(FAR struct child_status_s *status);
+void group_addchild(FAR struct task_group_s *group,
+                    FAR struct child_status_s *child);
+FAR struct child_status_s *group_exitchild(FAR struct task_group_s *group);
+FAR struct child_status_s *group_findchild(FAR struct task_group_s *group,
+                                           pid_t pid);
+FAR struct child_status_s *group_removechild(FAR struct task_group_s *group,
+                                             pid_t pid);
+void group_removechildren(FAR struct task_group_s *group);
+
+#endif /* CONFIG_SCHED_CHILD_STATUS */
+#endif /* CONFIG_SCHED_HAVE_PARENT */
+
+/* Group data resource configuration */
+
+#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
+int  group_setupidlefiles(FAR _TCB *tcb);
+int  group_setuptaskfiles(FAR _TCB *tcb);
+#if CONFIG_NFILE_STREAMS > 0
+int  group_setupstreams(FAR _TCB *tcb);
+#endif
+#endif
+
+#endif /* __SCHED_GROUP_INERNAL_H */