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-rw-r--r--nuttx/sched/env_release.c102
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diff --git a/nuttx/sched/env_release.c b/nuttx/sched/env_release.c
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-/****************************************************************************
- * sched/env_release.c
- *
- * Copyright (C) 2007, 2009, 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#ifndef CONFIG_DISABLE_ENVIRON
-
-#include <sched.h>
-#include <errno.h>
-#include "os_internal.h"
-#include "env_internal.h"
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: env_release
- *
- * Description:
- * env_release() is called only from group_leave() when the last member of
- * a task group exits. The env_release() function clears the environment
- * of all name-value pairs and sets the value of the external variable
- * environ to NULL.
- *
- * Parameters:
- * group Identifies the task group containing the environment structure
- * to be released.
- *
- * Return Value:
- * None
- *
- * Assumptions:
- * Not called from an interrupt handler
- *
- ****************************************************************************/
-
-void env_release(FAR struct task_group_s *group)
-{
- DEBUGASSERT(group);
-
- /* Free any allocate environment strings */
-
- if (group->tg_envp)
- {
- /* Free the environment */
-
- sched_free(group->tg_envp);
- }
-
- /* In any event, make sure that all environment-related varialbles in the
- * task group structure are reset to initial values.
- */
-
- group->tg_envsize = 0;
- group->tg_envp = NULL;
-}
-
-#endif /* CONFIG_DISABLE_ENVIRON */
-
-
-